EP0054177A1 - Connecting device for two construction parts - Google Patents

Connecting device for two construction parts Download PDF

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Publication number
EP0054177A1
EP0054177A1 EP81109403A EP81109403A EP0054177A1 EP 0054177 A1 EP0054177 A1 EP 0054177A1 EP 81109403 A EP81109403 A EP 81109403A EP 81109403 A EP81109403 A EP 81109403A EP 0054177 A1 EP0054177 A1 EP 0054177A1
Authority
EP
European Patent Office
Prior art keywords
latching
section
elements
tongue
main body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP81109403A
Other languages
German (de)
French (fr)
Other versions
EP0054177B1 (en
Inventor
Albert Bläss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Isover G+H AG
G&H Montage GmbH
Original Assignee
G&H Montage GmbH
Gruenzweig und Hartmann AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by G&H Montage GmbH, Gruenzweig und Hartmann AG filed Critical G&H Montage GmbH
Priority to AT81109403T priority Critical patent/ATE7162T1/en
Publication of EP0054177A1 publication Critical patent/EP0054177A1/en
Application granted granted Critical
Publication of EP0054177B1 publication Critical patent/EP0054177B1/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B1/86—Sound-absorbing elements slab-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
    • E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
    • E04B1/6116—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by locking means on lateral surfaces
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
    • E04B1/84—Sound-absorbing elements
    • E04B2001/8423—Tray or frame type panels or blocks, with or without acoustical filling
    • E04B2001/8452—Tray or frame type panels or blocks, with or without acoustical filling with peripheral frame members

Definitions

  • the invention relates to a device for securing the position of two components, according to the preamble of claim 1.
  • Such connecting elements are known from the unpublished German patent application P 30 24 574.0 and illustrated in FIGS. 11 to 13 and 14/15 there.
  • These known connecting devices are formed in one piece and have a connecting section in the form of a flat bracket back between the bearing sections.
  • a certain adjustment to different distances between the holding edges to be determined due to tolerance fluctuations takes place by a bulging of the back of the clamp, which is so resilient while reducing the curvature, or by a special design of one of the bearing sections in such a way that the holding edge there engages behind these spring tongues Bearing section can deform more or less.
  • the link elements having a frame which runs around the end face and has holding legs which are bent into the plane of the link surface and which form the holding edges.
  • the width of the holding legs and thus the mutual spacing of the holding edges to be defined by the connecting devices against one another is largely irrelevant, so that very considerable dimensional tolerances could be permitted here.
  • Higher accuracy requirements with regard to the width of the holding legs are therefore only to be made in the manufacture of such frames for scenery elements in order to be able to use the known connecting clips with elastic tolerance compensation, which obviously leads to a disadvantageous narrowing of the manufacturing possibilities for the frames of such scenery elements.
  • the invention is based on the object to create a connecting device of the type outlined in the preamble of claim 1, with which considerably larger tolerance fluctuations in the distance between the two holding edges to be determined against one another can be accepted without impairing the mutual securing of the components caused by the connecting device.
  • each of the connecting elements with its own bearing section can be attached to the associated holding edge without problems, regardless of its specific position in individual cases.
  • the two connecting elements set in this way can optionally be pressed towards each other by hand in such a way that the latching and counter-latching means come into mutual engagement in the overlap region of the respective connecting sections or into the engagement position that corresponds to the distance between the end-side bearing sections and thus between them corresponds to the holder edges of the components.
  • the locking engagement achieved in this way secures this position against tensile loads such as occur when the two components or their holder edges are to be removed from one another.
  • the connecting elements of the connecting device automatically come into that latching engagement of the latching and counter-latching means, which in the individual case results in the desired clamping effect between the two holder edges, regardless of whether they have a larger or smaller mutual distance.
  • a connecting element designated overall by 1, of a connecting device according to the invention, which is illustrated in FIG. 3 in use, consists of a bearing section 2 and a connecting section 3, which in turn comprises a main body 4, a retaining tongue 5 and has a latching tongue 6.
  • the entire connecting element is made from a flat sheet metal sheet made of sheet steel with a thickness of between 0.5 mm and 1 mm, for example, by means of appropriate bends and bends.
  • the same reference numerals as in the finished connecting element 1 according to FIG. 2 are used to designate the different areas of the punching board according to FIG. 1 in order to facilitate the assignment.
  • the bearing section 2 is bent into the groove-like shape shown in FIG. 2, with which it holds the holder edge 7 (cf. FIG. 3) of the component 8, which in the example is formed on the frame of a link element, engages behind in a form-fitting manner and thus stores the connecting element 1 there cleanly. Furthermore, in the connection area between the main body 4 of the connecting section 3 and the retaining tongue 5, an offset 9 is attached, such that the retaining tongue 5 is offset from the plane thereof in the direction of the bending of the bearing portion 2 by approximately the sheet thickness of the punching board or the main body 4 . As a result, in the assembled position of the connecting device shown in FIG.
  • the retaining tongue 5 of the one connecting element 1 can be inserted essentially in a parallel position under the main body 4 of the opposite connecting element 1.
  • an edge strip, designated 6a, of the die-cut plate on the side of the connecting section 3 opposite the bearing section 2 is angled by approximately 90 ° from the plane of the main body 4, in the same direction in which the offset 9 and the angled section of the bearing section 2 lie.
  • a free front part of the edge strip 6a is bent in the manner shown in the drawing in the direction of the bearing section 2 and thus forms the latching tongue 6 pointing towards the bearing section 2 and resilient to a certain extent in this direction.
  • the retaining tongue 5 On the side facing away from the latching tongue 6, the retaining tongue 5 has teeth 10 which are produced in one operation by the punching tool. If two connecting elements 1 of the type shown in FIG. 2 are now attached with their bearing sections 2 to mutually opposite holding edges 7 of the components 8, then, as shown in FIG. 3, there is an overlap of the connecting sections 3 with a suitable spacing between the mutually opposite holding edges 7 of the two connecting elements 1 in an overlap area 11, the retaining tongue 5 of one Connecting element 1 under the main body 4 of the connecting portion of the opposite connecting element 1 engages.
  • each retaining tongue 5 come into the area of the tip of the latching tongue 6 of the opposite connecting element 1, the distance a between the tip of the latching tongue 6 of a connecting element 1 and the side edge 10a of the associated retaining tongue 5 opposite the teeth 10 being chosen to be slightly smaller than the width b of the holding tongue 5 measured in the same plane.
  • each holding tongue 5 is guided by the side edge 10a of the holding tongue 5 of the opposite connecting element 1 opposite the toothing 10 and pressed with its toothing 10 onto the tip of the latching tongue 6. If the two connecting elements 1 are moved towards one another, the latching tongue 6 deflects resiliently, while the latching tongue 6 positively locks due to its inclined position when the connecting elements 1 are to be pulled apart again from the position shown in FIG. 3.
  • the latching tongue 6 together with the edge strip 6a also forms a spacer element with which the end region of the connecting section 3 lying in the region of the retaining tongue 5 is pressed off by the components 8, in the example of retaining legs 12 the metal frame of link elements.
  • This ensures that the front section of each retaining tongue 5 is fed snugly on the lower surface of the main body 4 of the opposite connecting element 1 and is thus kept clean in the effective area of the tip of the latching tongue 6.
  • the connecting elements 1 can be properly attached to these even with considerable dimensional fluctuations in the distance between the holding edges 7 and pressed together to such an extent that the desired position-securing connection between the holding edges 7 or the holding legs 12 results and a loosening of the neighboring components 8 becomes impossible.
  • a suitable material for the sheet metal of the punching plate for example spring steel or V4A steel, and correspondingly robust shaping for the toothing 10
  • the strength of the assembled connecting device in the illustration according to FIG. 3 is that of the areas covered by the connecting device of the components 8 at least reached, so that there is a completely secure connection.
  • the assembly of the connecting device can generally be done very easily by hand and a simple tool such as pliers is only required if the holding edges 7 are to be pressed together under tension for some reason.
  • the back of the connecting device which is visible in FIG. 3 is flat, that is to say it has no projections, bulges or the like, which could interfere with stacking or during transport and, if appropriate, would be subjected to deformations which impair the functional reliability of the connecting device.
  • the overall height of the connection device in the range of a few millimeters, for example at 2.5 mm, so that there is only a slight thickening at the location of the connecting device along the holding leg 12 or the like. Since the two connecting elements 1 shown in FIG. 3 are of completely identical design and are only arranged in opposite directions, in addition to the simple manufacture, simple storage and immediate availability of all individual parts required for the connecting device result.
  • latching means such as the teeth 10 or also in a different design could also be provided on only one side of the connecting device, while on the other side only counter-latching means in the form of one or more latching tongues 6, counter teeth or in another design are arranged.
  • the connecting device is constructed from at least two connecting elements, each with a suitable bearing section 2, which, by suitable arrangement of latching means and counter-latching means, allow a variable distance to be bridged between mutually opposite holder edges 7 with their connecting sections 3 and by one with sufficient force locking engagement to secure the respective distance between the holder edges 7.

Abstract

1. Means for connecting two constructional parts (8) in safe position comprising retaining rims (7) spaced apart from each other at surfaces preferably disposed at least approximately at a common level and being overlapped by the connecting means, particularly but not exclusively for connecting panel elements of a panel of a sound absorbing system, each element comprising a frame circumferentially extending at the perimeter thereof and having retaining webs (12) bent inwardly to the plane of the panel surface, said means comprising a) two bearing portions (2) positioned endwise opposite each other for engaging the retaining rims (7) of the constructional parts (8) and b) with a flat connecting portion (3) being arranged between the bearing portions (2) and capable of transmitting tensile forces, characterized in c) that each connecting means consists of two connecting elements (1), c1) at each one of which one of the two bearing portions (2) is provided and c2) which in the connecting portion (3) at least in part overlap each other in an overlap region, and d) that the connecting elements (1) in the overlap region (11) of the connecting portion (3) are provided with engaging detent means (teeth 10) and detent counter means (detent latch 6) enabling a locking engagement in different spacings of the bearing portions (2).

Description

Die Erfindung betrifft eine Vorrichtung zur lagesichernden Verbindung zweier Bauteile, nach dem Oberbegriff des Anspruchs 1.The invention relates to a device for securing the position of two components, according to the preamble of claim 1.

Derartige Verbindungselemente sind aus der nicht vorveröffentlichten deutschen Patentanmeldung P 30 24 574.0 bekannt und in den dortigen Fig. 11 bis 13 bzw. 14/15 veranschaulicht. Diese bekannten Verbindungsvorrichtungen sind einstückig ausgebildet und besitzen zwischen den Lagerabschnitten einen Verbindungsabschnitt in Form eines flächigen Klammernrückens. Eine gewisse Anpassung an auf Grund von Toleranzschwankungen unterschiedliche Abstände der gegeneinander festzulegenden Halteränder erfolgt durch eine Auswölbung des Klammernrückens, der so unter Verminderung der Wölbung federnd nachgiebig ist, bzw. durch besondere konstruktive Ausbildung eines der Lagerabschnitte derart, daß der dortige Halterand diesen hintergreifende Federzungen des Lagerabschnittes mehr oder weniger stark verformen kann.Such connecting elements are known from the unpublished German patent application P 30 24 574.0 and illustrated in FIGS. 11 to 13 and 14/15 there. These known connecting devices are formed in one piece and have a connecting section in the form of a flat bracket back between the bearing sections. A certain adjustment to different distances between the holding edges to be determined due to tolerance fluctuations takes place by a bulging of the back of the clamp, which is so resilient while reducing the curvature, or by a special design of one of the bearing sections in such a way that the holding edge there engages behind these spring tongues Bearing section can deform more or less.

Es hat sich jedoch gezeigt, daß die hierdurch gebotenen Möglichkeiten eines Toleranzausgleichs zu gering sind, wenn größere Toleranzschwankungen auftreten. Darüber hinaus führen Toleranzschwankungen auch zu unterschiedlichen Anpreßkräften, da größer ausfallende Abstände zwischen den Halterändern durch stärkere elastische Verformungen der Verbindungsvorrichtungen oder Verbindungsklammern überbrückt werden. Wenn, was häufig zu fordern ist, ein strammer Sitz der Verbindungsvorrichtungen oder Verbindungsklammern auch bei gering ausfallendem Abstand zwischen den Halterändern angestrebt wird, reicht die elastische Verformbarkeit nur noch für geringfügig größere Abstände zwischen den Halterändern aus. Daher setzen die bekannten Verbindungsvorrichtungen oder Verbindungsklammern eine vergleichsweise maßgenaue Fertigung der miteinander zu verbindenden Bauteile voraus, was häufig deren Fertigungsaufwand ungebührlich erhöht. Dies gilt insbesondere für das bevorzugte Anwendungsgebiet einer Verbindung von Kulissenelementen zur Bildung einer Kulisse eines Kulissenschalldämpfers, wobei die Kulissenelemente einen stirnseitig umlaufenden Rahmen mit in die Ebene der Kulissenoberfläche einwärts gebogenen Halteschenkeln aufweisen, welche die Halteränder bilden. Funktionell ist die Breite der Halteschenkel und damit der gegenseitige Abstand der durch die Verbindungsvorrichtungen gegeneinander festzulegenden Halteränder in weiten Grenzen ohne Bedeutung, so daß hier ganz erhebliche Maßtoleranzen zugelassen werden könnten. An die Fertigung derartiger Rahmen für Kulissenelemente sind somit nur deswegen höhere Genauigkeitsanforderungen hinsichtlich der Breite der Halteschenkel zu richten, um die bekannten Verbindungsklammern mit elastischem Toleranzausgleich verwenden zu können, was ersichtlich zu einer nachteiligen Einengung der Fertigungsmöglichkeiten für die Rahmen solcher Kulissenelemente führt.However, it has been shown that the possibilities of tolerance compensation offered by this are too small if larger tolerance fluctuations occur. In addition, tolerance fluctuations also lead to different contact forces, since larger gaps between the holder edges are bridged by stronger elastic deformations of the connecting devices or connecting clips. If, what is often required, a tight fit of the connecting devices or connecting brackets is sought even with a small gap between the holding edges, the elastic deformability is only sufficient for slightly larger distances between the holding edges. Therefore, the known connecting devices or connecting brackets require a comparatively accurate manufacture of the components to be connected to one another, which often increases their manufacturing effort unduly. This applies in particular to the preferred field of application of connecting link elements to form a link of a link muffler, the link elements having a frame which runs around the end face and has holding legs which are bent into the plane of the link surface and which form the holding edges. Functionally, the width of the holding legs and thus the mutual spacing of the holding edges to be defined by the connecting devices against one another is largely irrelevant, so that very considerable dimensional tolerances could be permitted here. Higher accuracy requirements with regard to the width of the holding legs are therefore only to be made in the manufacture of such frames for scenery elements in order to be able to use the known connecting clips with elastic tolerance compensation, which obviously leads to a disadvantageous narrowing of the manufacturing possibilities for the frames of such scenery elements.

Demgegenüber liegt der Erfindung die Aufgabe zugrunde, eine Verbindungsvorrichtung der im Oberbegriff des Anspruchs 1 umrissenen Gattung zu schaffen, mit der erheblich größere Toleranzschwankungen im Abstand der beiden gegeneinander festzulegenden Halteränder in Kauf genommen werden können, ohne die durch die Verbindungsvorrichtung bewirkte gegenseitige Lagesicherung der Bauteile zu beeinträchtigen.In contrast, the invention is based on the object to create a connecting device of the type outlined in the preamble of claim 1, with which considerably larger tolerance fluctuations in the distance between the two holding edges to be determined against one another can be accepted without impairing the mutual securing of the components caused by the connecting device.

Die Lösung dieser Aufgabe erfolgt durch die kennzeichnenden Merkmale des Anspruchs 1.This object is achieved by the characterizing features of claim 1.

Dadurch, daß die Verbindungsvorrichtung nicht aus einer einteiligen Verbindungsklammer, sondern zwei getrennten Verbindungselementen besteht, kann jedes der Verbindungselemente mit dem ihm eigenen Lagerabschnitt an den zugehörigen Halterand unabhängig von dessen konkreter Lage im Einzelfall problemlos angesetzt werden. Dann können die beiden so angesetzten Verbindungselemente gegebenenfalls von Hand aufeinander zu gedrückt werden, derart, daß die Rast- und Gegenrastmittel im Überlappungsbereich der jeweiligen Verbindungsabschnitte in gegenseitigen Eingriff gelangen bzw. in diejenige Eingriffsstellung gelangen, die dem herbeigeführten Abstand zwischen den endseitigen Lagerabschnitten und damit zwischen den Halterändern der Bauteile entspricht. Der so erreichte Rasteingriff sichert diese Stellung gegen Zugbelastungen, wie sie auftreten, wenn die beiden Bauteile bzw. ihre Halteränder voneinander entfernt werden sollen.Because the connecting device does not consist of a one-piece connecting clip, but two separate connecting elements, each of the connecting elements with its own bearing section can be attached to the associated holding edge without problems, regardless of its specific position in individual cases. Then the two connecting elements set in this way can optionally be pressed towards each other by hand in such a way that the latching and counter-latching means come into mutual engagement in the overlap region of the respective connecting sections or into the engagement position that corresponds to the distance between the end-side bearing sections and thus between them corresponds to the holder edges of the components. The locking engagement achieved in this way secures this position against tensile loads such as occur when the two components or their holder edges are to be removed from one another.

Auf diese Weise gelangen die Verbindungselemente der Verbindungsvorrichtung automatisch in denjenigen Rasteingriff der Rast- und Gegenrastmittel, der im Einzelfall die gewünschte Klammerwirkung zwischen den beiden Halterändern ergibt, unabhängig davon, ob diese größeren oder kleineren gegenseitigen Abstand besitzen.In this way, the connecting elements of the connecting device automatically come into that latching engagement of the latching and counter-latching means, which in the individual case results in the desired clamping effect between the two holder edges, regardless of whether they have a larger or smaller mutual distance.

Die Unteransprüche haben vorteilhafte Weiterbildungen der Erfindung zum Inhalt.The subclaims have advantageous developments the content of the invention.

Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung einer Ausführungsform anhand der Zeichnung.Further details, features and advantages of the invention result from the following description of an embodiment with reference to the drawing.

Es zeigt

  • Fig. 1 eine Draufsicht auf eine Stanzplatine zur Herstellung eines Verbindungselementes für eine erfindungsgemäße Verbindungsvorrichtung,
  • Fig. 2 eine perspektivische Ansicht eines aus der Stanzplatine gemäß Fig. 1 hergestellten, einsatzbereiten Verbindungselementes und
  • Fig. 3 eine Draufsicht auf eine durch die Verbindungsvorrichtung hergestellte Verbindung zwischen zwei Halteschenkeln eines Rahmens eines Kulissenelementes.
It shows
  • 1 is a plan view of a stamping board for producing a connecting element for a connecting device according to the invention,
  • Fig. 2 is a perspective view of a ready-to-use connecting element produced from the punching board according to FIG. 1 and
  • Fig. 3 is a plan view of a connection made by the connecting device between two holding legs of a frame of a link element.

Wie insbesondere die Fig. 1 und 2 veranschaulichen, besteht ein insgesamt mit 1 bezeichnetes Verbindungselement einer erfindungsgemäßen Verbindungsvorrichtung, die in Fig. 3 im Einsatz veranschaulicht ist, aus einem Lagerabschnitt 2 und einem Verbindungsabschnitt 3, der wiederum einen Hauptkörper 4, eine Haltezunge 5 und eine Rastzunge 6 aufweist. Wie Fig. 1 veranschaulicht, ist das gesamte Verbindungselement aus einer ebenen Blechplatine aus Stahlblech mit einer Dicke zwischen beispielsweise 0,5 mm und 1 mm durch entsprechende Abwinkelungen und Abbiegungen hergestellt. Zur Bezeichnung der verschiedenen Bereiche der Stanzplatine gemäß Fig. 1 sind dieselben Bezugszeichen wie beim fertigen Verbindungselement 1 gemäß Fig. 2 verwendet, um die Zuordnung zu erleichtern. Nach Herstellung des Stanzteiles gemäß Fig. 1 als ebene Stanzplatine wird der Lagerabschnitt 2 in die aus Fig. 2 ersichtliche, rinnenartige Form umgebogen, mit der er den Halterand 7 (vgl. Fig. 3) des Bauteiles 8, der im Beispielsfalle am Rahmen eines Kulissenelementes ausgebildet ist, formschlüssig hintergreift und so das Verbindungselement 1 dort sauber lagert. Weiterhin wird im Verbindungsbereich zwischen dem Hauptkörper 4 des Verbindungsabschnittes 3 und der Haltezunge 5 eine Abkröpfung-9 angebracht, derart, daß die Haltezunge 5 etwa um die Blechdicke der Stanzplatine oder des Hauptkörpers 4 aus dessen Ebene heraus in Richtung der Abwinkelung des Lagerabschnittes 2 versetzt ist. Dadurch kann in der aus Fig. 3 ersichtlichen montierten Stellung der Verbindungsvorrichtung die Haltezunge 5 des einen Verbindungselementes 1 im wesentlichen in Parallellage unter den Hauptkörper 4 des gegenüberliegenden Verbindungselementes 1 eingeführt werden. Weiterhin wird ein mit 6a bezeichneter Randstreifen der Stanzplatine an der dem Lagerabschnitt 2 gegenüberliegenden Seite des Verbindungsabschnittes 3 um etwa 90° aus der Ebene des Hauptkörpers 4 abgewinkelt, in derselben Richtung, in der die Abkröpfung 9 und die Abwinkelung des Lagerabschnittes 2 liegen. Danach wird ein freier Vorderteil des Randstreifens 6a in der aus der Zeichnung im einzelnen ersichtlichen Weise in Richtung auf den Lagerabschnitt 2 abgebogen und bildet so die in Richtung auf den Lagerabschnitt 2 weisende, in dieser Richtung in gewissem Umfange federnd nachgiebige Rastzunge 6.As particularly illustrated in FIGS. 1 and 2, a connecting element, designated overall by 1, of a connecting device according to the invention, which is illustrated in FIG. 3 in use, consists of a bearing section 2 and a connecting section 3, which in turn comprises a main body 4, a retaining tongue 5 and has a latching tongue 6. As illustrated in FIG. 1, the entire connecting element is made from a flat sheet metal sheet made of sheet steel with a thickness of between 0.5 mm and 1 mm, for example, by means of appropriate bends and bends. The same reference numerals as in the finished connecting element 1 according to FIG. 2 are used to designate the different areas of the punching board according to FIG. 1 in order to facilitate the assignment. After producing the stamped part according to FIG. 1 as a flat stamped blank, the bearing section 2 is bent into the groove-like shape shown in FIG. 2, with which it holds the holder edge 7 (cf. FIG. 3) of the component 8, which in the example is formed on the frame of a link element, engages behind in a form-fitting manner and thus stores the connecting element 1 there cleanly. Furthermore, in the connection area between the main body 4 of the connecting section 3 and the retaining tongue 5, an offset 9 is attached, such that the retaining tongue 5 is offset from the plane thereof in the direction of the bending of the bearing portion 2 by approximately the sheet thickness of the punching board or the main body 4 . As a result, in the assembled position of the connecting device shown in FIG. 3, the retaining tongue 5 of the one connecting element 1 can be inserted essentially in a parallel position under the main body 4 of the opposite connecting element 1. Furthermore, an edge strip, designated 6a, of the die-cut plate on the side of the connecting section 3 opposite the bearing section 2 is angled by approximately 90 ° from the plane of the main body 4, in the same direction in which the offset 9 and the angled section of the bearing section 2 lie. Thereafter, a free front part of the edge strip 6a is bent in the manner shown in the drawing in the direction of the bearing section 2 and thus forms the latching tongue 6 pointing towards the bearing section 2 and resilient to a certain extent in this direction.

.An der der Rastzunge 6 abgewandten Seite besitzt die Haltezunge 5 eine Zahnung 10, die in einem Arbeitsgang durch das Stanzwerkzeug hergestellt ist. Werden nun zwei Verbindungselemente 1 der aus Fig. 2 ersichtlichen Bauart mit ihren Lagerabschnitten 2 an einander gegenüberliegenden Halterändern 7 der Bauteile 8 angesetzt, so ergibt sich, wie Fig. 3 veranschaulicht, bei geeignetem Abstand zwischen den einander gegenüberliegenden Halterändern 7 eine Überlappung der Verbindungsabschnitte 3 der beiden Verbindungselemente 1 in einem Überlappungsbereich 11, wobei die Haltezunge 5 des einen Verbindungselementes 1 unter den Hauptkörper 4 des Verbindungsabschnittes des gegenüberliegenden Verbindungselementes 1 greift. Dabei gelangt die Zahnung 10 jeder Haltezunge 5 in den Bereich der Spitze der Rastzunge 6 des gegenüberliegenden Verbindungselementes 1, wobei der Abstand a zwischen der Spitze der Rastzunge 6 eines Verbindungselementes 1 und der der Zahnung 10 gegenüberliegenden Seitenkante 10a der zugehörigen Haltezunge 5 geringfügig kleiner gewählt ist als die in derselben Ebene gemessene Breite b der Haltezunge 5. Dadurch wird jede Haltezunge 5 von der der Zahnung 10 gegenüberliegenden Seitenkante 10a der Haltezunge 5 des gegenüberliegenden Verbindungselementes 1 geführt und mit ihrer Zahnung 10 an die Spitze der Rastzunge 6 angedrückt. Werden die beiden Verbindungselemente 1 aufeinander zu bewegt, so weicht die Rastzunge 6 federnd aus, während die Rastzunge 6 durch ihre Neigungslage formschlüssig sperrt, wenn die Verbindungselemente 1 aus der Stellung gemäß Fig. 3 wieder auseinandergezogen werden sollen. Dabei bildet die Rastzunge 6 zusammen mit dem Randstreifen 6a zugleich ein Distanzelement, mit dem der im Bereich der Haltezunge 5 liegende Endbereich des Verbindungsabschnittes 3 von den Bauteilen.8, im Beispielsfalle von Halteschenkeln 12 der Metallrahmen von Kulissenelementen, abgedrückt wird. Hierdurch wird sichergestellt, daß der Vorderabschnitt jeder Haltezunge 5 satt an der Unterfläche des Hauptkörpers 4 des gegenüberliegenden Verbindungselementes 1 geführt wird und so sauber im Wirkungsbereich der Spitze der Rastzunge 6 gehalten wird. Ein Durchbiegen der Verbindungsvorrichtung in der Stellung gemäß Fig. 3 von den Halteschenkeln 12 weg nach außen ist dadurch begrenzt, daß die Haltezungen 5 die Hauptkörper 4 der Verbindungsabschnitte 3 wechselseitig untergreifen und so eine Relativbewegung der einzelnen Verbindungselemente 1 nur in Richtung auf die Halteschenkel 12 zu gestatten würden; diese Bewegung wird wiederum durch die aus den Randstreifen 6a und Rastzungen 6 gebildeten Distanzelemente verhindert. Eine solche Abstützung der Verbindungselemente 1 an ihren von den Lagerabschnitten 2 abgewandten Seiten ist insbesondere dann von Bedeutung, wenn die Bauteile 8 im Einzelfall keine ebenflächige Abstützung im Bereich zwischen einander gegenüberliegenden Halterändern 7 gewährleisten, sondern eine Schwenkbewegung der Verbindungselemente 1 um die Lagerabschnitte 2 herum gemäß der Darstellung in Fig. 3 in die Zeichenebene hinein gestatten.On the side facing away from the latching tongue 6, the retaining tongue 5 has teeth 10 which are produced in one operation by the punching tool. If two connecting elements 1 of the type shown in FIG. 2 are now attached with their bearing sections 2 to mutually opposite holding edges 7 of the components 8, then, as shown in FIG. 3, there is an overlap of the connecting sections 3 with a suitable spacing between the mutually opposite holding edges 7 of the two connecting elements 1 in an overlap area 11, the retaining tongue 5 of one Connecting element 1 under the main body 4 of the connecting portion of the opposite connecting element 1 engages. The teeth 10 of each retaining tongue 5 come into the area of the tip of the latching tongue 6 of the opposite connecting element 1, the distance a between the tip of the latching tongue 6 of a connecting element 1 and the side edge 10a of the associated retaining tongue 5 opposite the teeth 10 being chosen to be slightly smaller than the width b of the holding tongue 5 measured in the same plane. As a result, each holding tongue 5 is guided by the side edge 10a of the holding tongue 5 of the opposite connecting element 1 opposite the toothing 10 and pressed with its toothing 10 onto the tip of the latching tongue 6. If the two connecting elements 1 are moved towards one another, the latching tongue 6 deflects resiliently, while the latching tongue 6 positively locks due to its inclined position when the connecting elements 1 are to be pulled apart again from the position shown in FIG. 3. In this case, the latching tongue 6 together with the edge strip 6a also forms a spacer element with which the end region of the connecting section 3 lying in the region of the retaining tongue 5 is pressed off by the components 8, in the example of retaining legs 12 the metal frame of link elements. This ensures that the front section of each retaining tongue 5 is fed snugly on the lower surface of the main body 4 of the opposite connecting element 1 and is thus kept clean in the effective area of the tip of the latching tongue 6. A bending of the connecting device in the position shown in FIG. 3 away from the holding legs 12 is limited by the fact that the holding tongues 5 alternately engage under the main body 4 of the connecting sections 3 and thus a relative movement of the individual connecting elements 1 only in the direction of the holding legs 12 would allow; this movement is in turn by the spacers formed from the edge strips 6a and locking tongues 6 prevented. Such support of the connecting elements 1 on their sides facing away from the bearing sections 2 is particularly important when the components 8 do not, in individual cases, ensure flat support in the area between mutually opposite holder edges 7, but instead a pivoting movement of the connecting elements 1 around the bearing sections 2 allow the representation in Fig. 3 into the plane of the drawing.

Wie insbesondere aus Fig. 3 der Zeichnung ohne weiteres hervorgeht, können die Verbindungselemente 1 auch bei erheblichen Maßschwankungen im Abstand zwischen den Halterändern 7 einwandfrei an diese angesetzt und so weit zusammengedrückt werden, daß sich die gewünschte lagesichernde Verbindung zwischen den Halterändern 7 bzw. den Halteschenkeln 12 ergibt und ein Lösen der benachbarten Bauteile 8 unmöglich wird. Bei Wahl eines geeigneten Werkstoffes für das Blech der Stanzplatine, beispielsweise Federstahl oder V4A-Stahl, sowie entsprechend robuste Formgebung für die Zahnung 10 läßt sich erreichen, daß die Festigkeit der montierten Verbindungsvorrichtung in der Darstellung gemäß Fig. 3 diejenige der von der Verbindungsvorrichtung erfaßten Bereiche der Bauteile 8 zumindest erreicht, so daß sich eine völlig sichere Verbindung ergibt. Dennoch kann die Montage der Verbindungsvorrichtung in der Regel ganz einfach von Hand erfolgen und ist ein einfaches Werkzeug wie eine Zange nur dann erforderlich, wenn die Halteränder 7 aus irgendwelchen Gründen unter Spannung aneinandergedrückt werden sollen. Der in Fig. 3 sichtbare Rücken der Verbindungsvorrichtung ist eben, weist also keine Vorsprünge, Auswölbungen od. dgl. auf, die beim Stapeln oder beim Transport stören könnten sowie gegebenenfalls Verformungen ausgesetzt wären, welche die Funktionssicherheit der Verbindungsvorrichtung beeinträchtigen. Dabei kann die Bauhöhe der Verbindungsvorrichtung im Bereich weniger Millimeter, beispielsweise bei 2,5 mm gehalten werden, so daß sich entlang der Halteschenkel 12 oder dgl. nur eine geringfügige Verdickung an der Stelle der Verbindungsvorrichtung ergibt. Da die beiden aus Fig. 3 ersichtlichen Verbindungselemente 1 völlig identisch ausgebildet und nur gegensinnig angeordnet sind, ergibt sich neben der einfachen Herstellung auch eine einfache Lagerhaltung und eine jederzeitige Verfügbarkeit aller für die Verbindungsvorrichtung benötigten Einzelteile.As can be seen in particular from FIG. 3 of the drawing, the connecting elements 1 can be properly attached to these even with considerable dimensional fluctuations in the distance between the holding edges 7 and pressed together to such an extent that the desired position-securing connection between the holding edges 7 or the holding legs 12 results and a loosening of the neighboring components 8 becomes impossible. When choosing a suitable material for the sheet metal of the punching plate, for example spring steel or V4A steel, and correspondingly robust shaping for the toothing 10, it can be achieved that the strength of the assembled connecting device in the illustration according to FIG. 3 is that of the areas covered by the connecting device of the components 8 at least reached, so that there is a completely secure connection. Nevertheless, the assembly of the connecting device can generally be done very easily by hand and a simple tool such as pliers is only required if the holding edges 7 are to be pressed together under tension for some reason. The back of the connecting device which is visible in FIG. 3 is flat, that is to say it has no projections, bulges or the like, which could interfere with stacking or during transport and, if appropriate, would be subjected to deformations which impair the functional reliability of the connecting device. The overall height of the connection device in the range of a few millimeters, for example at 2.5 mm, so that there is only a slight thickening at the location of the connecting device along the holding leg 12 or the like. Since the two connecting elements 1 shown in FIG. 3 are of completely identical design and are only arranged in opposite directions, in addition to the simple manufacture, simple storage and immediate availability of all individual parts required for the connecting device result.

Dabei ist die Erfindung selbstverständlich nicht auf die beispielhaft dargestellte, derzeit besonders bevorzugte Ausführungsform beschränkt. So könnten beispielsweise auch nur auf einer Seite der Verbindungsvorrichtung Rastmittel wie die Zahnung 10 oder auch in anderer Bauform vorgesehen sein, während auf der anderen Seite lediglich Gegenrastmittel in Form einer oder mehrerer Rastzungen 6, einer Gegenzahnung oder in sonstiger Bauform angeordnet sind. Wesentlich ist nur, daß die Verbindungsvorrichtung aus wenigstens zwei Verbindungselementen mit je einem geeigneten Lagerabschnitt 2 aufgebaut ist, die durch geeignete Anordnung von Rastmitteln und Gegenrastmitteln gestatten, einen variablen Abstand zwischen einander gegenüberliegenden Halterändern 7 mit ihren Verbindungsabschnitten 3 zu überbrücken und durch einen mit ausreichender Kraft sperrenden Rasteingriff den jeweiligen Abstand zwischen den Halterändern 7 zu sichern.The invention is of course not limited to the currently particularly preferred embodiment shown as an example. For example, latching means such as the teeth 10 or also in a different design could also be provided on only one side of the connecting device, while on the other side only counter-latching means in the form of one or more latching tongues 6, counter teeth or in another design are arranged. It is only important that the connecting device is constructed from at least two connecting elements, each with a suitable bearing section 2, which, by suitable arrangement of latching means and counter-latching means, allow a variable distance to be bridged between mutually opposite holder edges 7 with their connecting sections 3 and by one with sufficient force locking engagement to secure the respective distance between the holder edges 7.

Claims (10)

1. Vorrichtung zur'lagesichernden Verbindung zweier Bauteile, die im Abstand voneinander angeordnete Halteränder an vorzugsweise wenigstens annähernd in einer gemeinsamen Ebene liegenden und von der Verbindungsvorrichtung überdeckten Oberflächen aufweisen, insbesondere zur Verbindung von Kulissenelementen einer Kulisse eines Kulissenschalldämpfers, mit je einem stirnseitig umlaufenden Rahmen mit in die Ebene der Kulissenoberfläche einwärts gebogenen Halteschenkeln, - a) mit zwei endseitig einander gegenüberliegenden Lagerabschnitten zur Abstützung an den Halterändern der Bauteile und b) mit einem zwischen den Lagerabschnitten angeordneten, auf Zug belastbaren flächigen Verbindungsabschnitt,
dadurch gekennzeichnet, c) daß jede Verbindungsvorrichtung aus zwei Verbindungselementen (1) besteht, c1) an denen je einer der beiden Lagerabschnitte (2) ausgebildet ist und c2) die einander im Verbindungsabschnitt (3).in einem Überlappungsbereich (11) wenigstens teilweise überlappen und d) daß die Verbindungselemente (1) im Überlappungsbereich (11) des Verbindungsabschnitts (3) aneinander anliegende Rast- (zahnungen 10) und Gegenrastmittel (Rastzungen 6) aufweisen, die einen Rasteingriff in unterschiedlichen gegenseitigen Abständen der Lagerabschnitte (2) ermöglichen. 1.Device for securing the position of two components which have spaced-apart holding edges on surfaces which are preferably at least approximately in a common plane and covered by the connecting device, in particular for connecting link elements of a link of a link muffler, each with a frame running around on the end face holding legs bent in the plane of the backdrop surface, a) with two opposite bearing sections for support on the holder edges of the components and b) with a flat connection section arranged between the bearing sections and capable of withstanding tensile loads,
characterized, c) that each connecting device consists of two connecting elements (1), c1) on each of which one of the two bearing sections (2) is formed and c2) which at least partially overlap one another in the connecting section (3) in an overlap region (11) and d) that the connecting elements (1) in the overlap region (11) of the connecting section (3) have latching (toothing 10) and counter-latching means (latching tongues 6), which allow a latching engagement at different mutual distances of the bearing sections (2). 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Rastmittel durch wenigstens eine Zahnung (10) gebildet sind, die am Seitenrand wenigstens einer Haltezunge (5) ausgebildet ist, welche sich in Richtung vom Lagerabschnitt (2) weg über den Hauptkörper (4) des Verbindungsabschnittes (3) hinaus erstreckt.2. Apparatus according to claim 1, characterized in that the latching means are formed by at least one toothing (10) which is formed on the side edge of at least one retaining tongue (5) which extends away from the bearing section (2) over the main body (4th ) of the connecting portion (3) extends. 3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Gegenrastmittel durch wenigstens eine Rastzunge (6) gebildet sind, die in Richtung auf den Lagerabschnitt (2) des jeweiligen Verbindungselementes (1) geneigt angeordnet und elastisch verformbar ist.3. Apparatus according to claim 1 or 2, characterized in that the counter-latching means are formed by at least one latching tongue (6) which is arranged inclined in the direction of the bearing section (2) of the respective connecting element (1) and is elastically deformable. 4. Vorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Haltezunge (5) eines Verbindungselementes (1) den Verbindungsabschnitt (3), insbesondere dessen Hauptkörper (4), des jeweils anderen Verbindungselementes (1) untergreift.4. Apparatus according to claim 2 or 3, characterized in that the retaining tongue (5) of a connecting element (1) engages under the connecting section (3), in particular the main body (4), of the respective other connecting element (1). 5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Haltezunge (5) gegenüber dem Hauptkörper (4) des zugehörigen Verbindungsabschnittes (3) in Richtung auf die zu verbindenden Bauteile (8) hin abgekröpft ist.5. The device according to claim 4, characterized in that the retaining tongue (5) relative to the main body (4) of the associated connecting section (3) in Rich device on the components to be connected (8) is bent. 6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß jeder Verbindungsabschnitt (3) ein Distanzelement (Randstreifen 6a, Rastzunge 6) zur Sicherung einer vom Bauteil (8) abgedrückten Stellung des Verbindungsabschnittes (3) aufweist.6. Device according to one of claims 1 to 5, characterized in that each connecting section (3) has a spacer element (edge strip 6a, latching tongue 6) for securing a position of the connecting section (3) which is pushed away from the component (8). 7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß jedes Verbindungselement (1) aus Blech, insbesondere Stahlblech, besteht und aus einer ebenen Stanzplatine (Fig. 2) durch Biegungen bzw. Abwinkelungen erzeugt ist.7. Device according to one of claims 1 to 6, characterized in that each connecting element (1) consists of sheet metal, in particular sheet steel, and is generated from a flat stamping plate (Fig. 2) by bends or bends. 8. Vorrichtung nach Anspruch 6 oder 7, dadurch gekennzeichnet, daß das Distanzelement durch einen um wenigstens annähernd 90 aus der Ebene des Hauptkörpers (4) des Verbindungsabschnittes (3) herausgebogenen Randstreifen (6a) gebildet ist.8. Apparatus according to claim 6 or 7, characterized in that the spacer element is formed by an edge strip (6a) which is bent out by at least approximately 90 from the plane of the main body (4) of the connecting section (3). 9. Vorrichtung nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, daß die Rastzunge (6) das Distanzelement bildet.9. Device according to one of claims 6 to 8, characterized in that the latching tongue (6) forms the spacer element. 10. Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß beide Verbindungselemente (1) einer Verbindungsvorrichtung identisch ausgebildet sind, wobei die beiden zur Bildung einer Vorrichtung dienenden Verbindungselemente (1) gegensinnig zueinander angeordnet sind.10. Device according to one of claims 1 to 9, characterized in that the two connecting elements (1) of a connecting device are identical, the two connecting elements (1) serving to form a device being arranged in opposite directions to one another.
EP81109403A 1980-12-15 1981-10-30 Connecting device for two construction parts Expired EP0054177B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81109403T ATE7162T1 (en) 1980-12-15 1981-10-30 DEVICE FOR THE SECURE CONNECTION OF TWO COMPONENTS.

Applications Claiming Priority (2)

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DE3047133A DE3047133C2 (en) 1980-12-15 1980-12-15 Device for securing the position of two components
DE3047133 1980-12-15

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EP0054177A1 true EP0054177A1 (en) 1982-06-23
EP0054177B1 EP0054177B1 (en) 1984-04-18

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DE (2) DE3047133C2 (en)

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WO1984000991A1 (en) * 1982-09-07 1984-03-15 Eskil Johansson Attachment means
DE102021101212A1 (en) 2021-01-21 2022-07-21 Gib Gmbh Connection device for the detachable connection of panel-shaped wall elements and partition wall therewith

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DE19525601C1 (en) * 1995-07-13 1996-10-02 Josef Langegger Connection for two abutting components being glued together
DE19703676C2 (en) * 1997-01-31 2002-01-24 Siemens Ag Method and device for the precise tolerance connection of two components
DE19823177A1 (en) * 1998-05-23 1999-11-25 Bosch Gmbh Robert Connecting arrangement for casing and cover of electric motor
DE19840644C2 (en) * 1998-09-05 2003-06-12 Karl Winkler Connector for preferably horizontal components
DE202012102484U1 (en) * 2012-07-05 2013-10-08 Rehau Ag + Co joint assembly

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DE6919903U (en) * 1969-05-16 1973-03-08 Rau Swf Autozubehoer DEVICE FOR FASTENING EQUIPMENT, EQUIPMENT PARTS OR THE SAME TO ANOTHER BODY.
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FR1206864A (en) * 1957-05-24 1960-02-12 Owens Corning Fiberglass Corp Acoustic panel and its manufacturing process
US4016689A (en) * 1976-01-20 1977-04-12 United States Gypsum Company Sound absorbing panel system and method for connecting panels

Cited By (3)

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Publication number Priority date Publication date Assignee Title
WO1984000991A1 (en) * 1982-09-07 1984-03-15 Eskil Johansson Attachment means
US4627777A (en) * 1982-09-07 1986-12-09 Johansson Eskil T Attachment means
DE102021101212A1 (en) 2021-01-21 2022-07-21 Gib Gmbh Connection device for the detachable connection of panel-shaped wall elements and partition wall therewith

Also Published As

Publication number Publication date
DE3047133A1 (en) 1982-06-16
DE3047133C2 (en) 1983-12-01
DE3163235D1 (en) 1984-05-24
ATE7162T1 (en) 1984-05-15
EP0054177B1 (en) 1984-04-18

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