WO2014201633A1

WO2014201633A1 - Pre-connection terminal box

Info

Publication number: WO2014201633A1
Application number: PCT/CN2013/077460
Authority: WO
Inventors: 邵海波; 吴小波
Original assignee: 深圳日海通讯技术股份有限公司
Priority date: 2013-06-19
Filing date: 2013-06-19
Publication date: 2014-12-24

Abstract

A pre-connection terminal box, comprising: a base (10), a box cover (20) and a mounting plate (30). A stern line fixing plate (40) is arranged on the base (10), the box cover (20) covers the base (10) and the stern line fixing plate (40) and forms a box body having an inner cavity that can contain a connector together with the base (10) and the stern line fixing plate (40); an opening (11) communicated with the inner cavity is arranged at one side of the base (10); and the mounting plate (30) is arranged in the inner cavity, a plurality of mounting holes (31) respectively serving to allow the connector to cooperate and position are arranged on the mounting plate (30), and a cable outlet (41) serving to allow a stern line of the connector to pass through and stretch out of the box body is arranged on the stern line fixing plate (40). By way of effectively protecting the connector, the phenomena that the light-passing property is poor due to the swing of the stern line of the connector and the connector gets loose because of too large a tensile force on the stern line can be prevented.

Description

Pre-connected terminal box

Technical field

The present invention relates to an optical fiber connecting device, and more particularly to a pre-connected terminal box for optical fiber connection.

Background technique

With the development of technology, the network industry is also constantly developing, ADSL Technology has gradually failed to meet the needs of users, and fiber-optic networks are increasingly favored by users because of their ability to provide full service and high speed. They are widely used in local telephone, agricultural telephone network systems, data, image transmission systems and other fields. Due to the geographical separation between the service provider and the various users served, it is necessary to interconnect the fibers of the branch cable used for the fiber optic connection terminal with the service provider's distribution cable to establish a connection. In the existing fiber optic connection terminal on the market, the connection port is disposed on the housing, and the plurality of connectors are plugged into the connection port on the housing. However, the external connector is easily destroyed or maliciously removed, affecting the connection. .

Summary of the invention

The technical problem to be solved by the present invention is to provide a pre-connected terminal box that realizes a built-in connection of a plurality of connectors and effectively protects the connector, in view of the defects existing in the related art.

The technical solution adopted by the present invention to solve the technical problem is to provide a pre-connected terminal box, comprising a base, a cover and a mounting plate; the base is provided with a tail cable fixing plate, and the cover is covered a base and a tail cable fixing plate, together with the base and the tail cable fixing plate, form a casing having a cavity for accommodating the connector;

One side of the base is provided with an opening for the optical cable to communicate with the inner cavity; the mounting plate is disposed in the inner cavity, and the mounting plate is provided with a plurality of mounting holes respectively for the connector to be cooperatively positioned. The tail cable fixing plate is provided with a cable for the connector to pass through a cable outlet extending from the casing.

Preferably, an engaging portion that is engaged with the cover on the inner peripheral side of the cover when the cover is attached to the base is protruded from the peripheral side end surface of the base.

Preferably, the cable fixing plate is connected to the cover on one side of the base, and the cable opening extends from a side of the cable fixing plate to an inner side of the cable fixing plate.

Preferably, the cable outlet is provided with a sealing element for sealing a gap between the tail cable and the cable outlet.

Preferably, the mounting plate is detachably disposed on the base; or the mounting plate is rotatably coupled to the base by one side.

Preferably, the mounting plate has a flat shape; or the mounting plate has a step shape, and the plurality of mounting holes are arranged on the mounting plate in a linear array or a non-linear array toward the tail cable fixing plate.

Preferably, the cover is rotatably coupled to the base by one side; or the cover is detachably and fixedly coupled to the base.

Preferably, the base side of the base and the side of the cover are respectively provided with a first mating portion and a second mating portion that can cooperate with each other; the first mating portion and the second mating portion are respectively the circumference of the base And a fixing plate extending outwardly from the circumference of the cover, the fixing plate is respectively provided with a fixing hole, and the cover is fixedly connected to the base through a fastening hole through the fixing hole; or ,

The first engaging portion is a buckle or an engaging portion provided on a circumference side of the base, and the second engaging portion corresponds to an engaging portion or a buckle provided on a circumferential side of the cover, through the card The buckle is fastened to the engaging portion to fix the cover to the base.

Preferably, a fiber connecting portion is disposed on a bottom surface of the base, and the mounting plate is located above the fiber connecting portion.

Preferably, the fiber optic connection comprises a splice tray, a fiber storage tray or an adapter.

The invention has the following beneficial effects: the pre-connected terminal box of the invention has a mounting plate in the box body, and the connector is positioned and disposed in the box body through the mounting plate, thereby effectively protecting the connector from being damaged or maliciously removed, and connecting. The tail cable of the device is positioned and extended by the tail cable fixing plate, which can prevent the tail cable from swinging and causing poor light transmission and loosening of the connector due to excessive pulling force of the tail cable; and the box body is convenient to open and close, and the connection sealing property is good. Reduce the risk of water ingress due to poor sealing.

DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments, in which:

1 is a schematic structural view of a pre-connected terminal box according to an embodiment of the present invention;

Figure 2 is a cross-sectional view of the pre-connected terminal box of Figure 1 taken along line A-A;

Figure 3 is a schematic view showing the structure of the pre-connected terminal box of Figure 1 opening the cover in a manner;

Figure 4 is a schematic view showing the structure of the pre-connected terminal box of Figure 1 opening the cover in another manner;

FIG. 5 is a schematic structural diagram of a pre-connected terminal box according to another embodiment of the present invention.

detailed description

For a better understanding of the technical features, objects and effects of the present invention, the embodiments of the present invention are described in detail with reference to the accompanying drawings.

As shown in FIG. 1-4, a pre-connected terminal box according to an embodiment of the present invention includes a base 10, a cover 20 and a mounting plate 30; 10 is provided with a tail cable fixing plate 40, and the cover 20 is attached to the base 10 and the tail cable fixing plate 40, and the base 10 and the tail cable fixing plate 40 Together, a casing having a cavity for accommodating the connector is provided, the casing being configured to incorporate the connector 100 therein to protect the connector 100 from the connector 100 It was vandalized or maliciously removed from the outside of the box. The mounting plate 30 is disposed in the inner cavity, and the mounting plate 30 is provided with a plurality of mounting holes 31 for the positioning of the connector 100, and the tail cable fixing plate 40 A pigtail cable 101 is provided with a connector 100. The cable connector 41 extends out of the casing, and the plurality of connectors 100 are positioned in the casing by the setting of the mounting plate 30, and the plate is fixed by the tail cable. Tail cable 101 of fixed connector 100.

Referring to Figures 1 and 2, the side of the base 10 is provided with an opening 11 through which the optical cable 200 penetrates the inner cavity. Base 10 The bottom surface is provided with a fiber connecting portion 12, which may include a splice tray, a fiber storage tray or an adapter. In this embodiment, the fiber connecting portion 12 The utility model comprises a welding plate, which has a welding zone for welding the optical fiber. After one end of the optical cable 200 enters the box through the opening 11, the optical cable 200 The plurality of optical fibers are separately fused to the fusion splicing area, and the optical fibers or pigtails of the connector 100 in the built-in box are respectively fused to the splicing area corresponding to the optical fibers of the optical cable 200, so that the optical cable 200 and the connector 100 forms a connection. The excess length of the optical fiber of the optical cable 200 in the casing can be wound around the outer circumference of the welding disk. In other embodiments, the fiber optic connector 12 can also include a fiber storage tray, and the fiber optic cable 200 The optical fibers are connected to the connector 100 one by one after being separated in the casing, and the remaining length of the optical fiber in the casing can also be placed in a circle in the fiber storage tray.

In order to separately fix the optical fiber of the optical cable 200, the optical fiber fixing portion 15 and the optical cable 200 may further be disposed on the base 10. After the optical fiber at one end is separated in the casing, the optical fiber fixing portion 15 can be positioned and fixed on the base 10.

The tail cable fixing plate 40 is attached to the cover 20 on the side of the base 10. As shown in FIG. 1, in the present embodiment, the tail cable fixing plate 40 It is located on the same side as the opening 11 of the base 10. The cable outlet 41 can also be a vertical or lateral slot relative to the base 10. Preferably, the cable exit 41 extends from the side of the tail cable fixing plate 40 to the tail cable fixing plate 40 The inside extends to open. More preferably, the side on which the cable opening 41 is opened is the side of the tail cable fixing plate 40 facing the cover 20. The shape and the number of the cable outlets 41 are not limited, and may be one or more, such as a map. For the number of intervals shown in 1-3, the cable outlet 41 can be a U-shaped, L-shaped or semi-circular groove; the cable outlet 41 can also be arranged in a strip shape. At the cable outlet 41 A sealing member (not shown) may be provided therein for the tail cable 101 and the cable outlet 41 of the connector 100. The gap between them is sealed. The sealing member is not limited, and is, for example, an element having a sealing property such as a seal ring or a heat shrinkable tube.

Preferably, the outer peripheral shape of the cover 20 is disposed corresponding to the outer peripheral shape of the base 10 so that the cover 20 and the base 10 and the tail cable fixing plate are provided. 40 fits into a unit that is closed in one piece. The lid 20 may have a U-shaped or semi-circular cross section. The cover 20 may include a cover 21 and a plurality of side panels attached to the cover 10 toward the base 10. 22, a plurality of side plates 22 correspond to the other sides except the side of the base 10 to which the tail cable fixing plate 40 is attached.

The cover 20 can be rotatably connected to the base 10 through one side, which is convenient to open and close, as shown in FIG. 3; or, through the fastener 50 The detachable and fixed connection is on the base 10 as shown in FIG. After the cover 20 is closed to the base 10, the cover 20 and the base 10 are fixedly connected by fasteners 50. Refer to Figure 3 As shown, one side of the cover 20 can be coupled to one side of the base 10 via a rotating shaft, so that the cover 20 can be pivoted to the shaft and rotated relative to the base 10. Preferably, the lid 20 The rotation shaft is rotatably coupled to the side of the base 10 opposite to the tail cable fixing plate 40, so that when the cover 20 is rotated and closed to the base 10, the cable is also fixed from the tail cable 40. The upper cover is closed, and the cover 20 is fixedly coupled to the base 10 by fasteners 50. Referring to Fig. 4, the cover 20 can also be disposed separately from the base 10, and when assembled, the cover 20 is assembled. The cover is attached to the base 10, and the cover 20 is fixedly connected to the base 10 through the fastener 50, so that the cover 20 and the base 10 and the tail cable fixing plate 40 form a box.

In order to achieve a fixed connection of the base 10 to the cover 20, the base 10 side and the cover 20 The circumference sides are respectively provided with a first fitting portion 13 and a second fitting portion 23 that can cooperate with each other. In this embodiment, the first mating portion 13 and the second mating portion 23 are the peripheral side of the base 10 and the cover 20, respectively. The fixing plate extending outward on the circumference side is provided with fixing

holes

130 and 230 respectively. The fixing plate on the base 10 and the cover 20 can be arranged at a plurality of intervals or integrally connected, and the fixing hole 130, Each of the 230 can be placed on the base 10 and the cover 20 at intervals. When the cover 20 is closed to the base 10, the first mating portion 13 and the second mating portion 23 The mating holes 130, 230 are connected to each other, and the cover 20 is fixedly connected to the base 10 through the fasteners 50 through the fixing

holes

130 and 230. The above fasteners 50 is not limited, and may be, for example, a screw, a bolt, or the like, as long as the cover 20 can be fixedly coupled to the base 10.

In other embodiments, as shown in FIG. 5, the first engaging portion 13 may be a buckle disposed on the circumferential side of the base 10, and the second engaging portion 23 Corresponding to the engaging portion provided on the peripheral side of the cover 20, the cover 20 is fixedly connected to the base 10 by the snap-fit engagement with the engaging portion, and the operation is convenient. It can be understood that the first mating portion 13 can also be disposed on the base. The engaging portion of the 10th side, the second engaging portion 23 corresponds to a buckle provided on the peripheral side of the cover 20, and is also fixedly coupled to the base 10 by the snap-fit and the engaging portion.

It can be seen from the above that the cover 20 can be opened and closed on the base 10, and the operation is convenient, and the connector 100 is convenient. Plug and play operation. Further, in order to reinforce the sealing effect of the casing, as shown in Fig. 3, a cover 20 is protruded toward the peripheral end surface of the base 10, and is engaged with the cover when the cover 20 is closed to the base 10. The engaging portion 14 on the inner peripheral side of 20. Since the engaging portion 14 is provided as a projection, the engaging portion 14 connects the cover 20 and the base 10 after the cover 20 is attached to the base 10. The gap between them is closed, thereby reducing the risk of water ingress due to poor sealing of the casing. Further, a sealing ring (not shown) may be sleeved on the outer periphery of the engaging portion 14 to further reinforce the cover 20 and the base 10 The sealing effect.

The mounting plate 30 is located above the fiber optic connection 12 in the housing. Mounting plate 30 Separable on the base 10 It is rotatably connected to the base 10 by one side or by one side. In the present embodiment, one side of the mounting plate 30 is rotatably coupled to the base 10 via a rotating shaft. Mounting holes on mounting plate 30 31 It can be set according to actual needs, and several mounting holes 31 can be arranged in a linear array or in a non-linear array. The connector 100 inside the built-in box can be correspondingly inserted into the mounting hole 31, and several connectors 100 It can be arranged in a linear array or a non-linear array by a one-to-one correspondence on a plurality of mounting holes 31. The pigtail cable 101 of the connector 100 passes through the cable outlet 41 on the tail cable fixing plate 40. Extend the box. The mounting plate 30 may have a shape such as a flat plate or a step. In the present embodiment, the mounting plate 30 is stepped, and a plurality of mounting holes 31 are arranged in a linear array toward the tail cable fixing plate 40 on the mounting plate 31. When the connector 100 is inserted into the mounting plate 30 in an inclined state, the tail cable 101 of the connector 100 faces the tail cable fixing plate 40 and can be fixed to the cable opening 41. Extend the box inside.

At least one side of the mounting plate 30 further extends with a support portion 32 facing the base 10, and the mounting plate 30 passes through the support portion 32. Supported above the fiber connecting portion 12 in the casing, the mounting plate 30 can be prevented from being pressed onto the fiber connecting portion 12, and a space can be reserved for the connector 102 of the connector 100 to pass through the mounting plate 30. .

In summary, the pre-connected terminal box of the present invention has convenient box opening and closing, and when used, the connector 100 The utility model is built in the box body, and is convenient to insert and pull, and the box body also protects the connector 100. Compared with the existing connection terminal, the connector can be prevented from being damaged or maliciously removed. And the tail cable of the connector 100 101 When the tail cable fixing plate 40 is fixed and protrudes from the casing, the tail cable 101 can be prevented from swinging to cause poor light transmission and the tension of the tail cable 101 is too large to cause the connector to loosen.

The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformation of the present invention and the contents of the drawings may be directly or indirectly applied to other related technologies. The fields are all included in the scope of patent protection of the present invention.

Claims

A pre-connected terminal box, comprising: a base (10), a cover (20) and a mounting plate (30); the base (10) is provided with a tail cable fixing plate (40), the cover (20) covering the base (10) and the tail cable fixing plate (40), together with the base (10) and the tail cable fixing plate (40) to form a casing having a cavity for accommodating the connector ;

One side of the base (10) is provided with an opening (11) through which the optical cable (200) communicating with the inner cavity penetrates; the mounting plate (30) is disposed in the inner cavity, and the mounting plate ( 30) a plurality of mounting holes (31) for cooperating positioning of the connector (100), and the tail cable fixing plate (40) is provided with a tail cable (101) for extending the connector (100) The cable outlet (41) of the casing is taken out.
The pre-connected terminal box according to claim 1, wherein a peripheral side end surface of the base (10) is convexly disposed toward the cover (20), and the cover (20) is covered at the cover The engaging portion (14) on the inner peripheral side of the cover (20) is engaged with the base (10).
The pre-connected terminal box according to claim 1, wherein said tail cable fixing plate (40) is coupled to said cover (20) on a side of said base (10), said cable opening (41) extending from the side of the tail cable fixing plate (40) toward the inner side of the tail cable fixing plate (40).
The pre-connected terminal box according to claim 1, wherein the cable outlet (41) is provided with a gap between the tail cable (101) and the cable outlet (41). Sealing element.
The pre-connected terminal box according to claim 1, wherein the mounting plate (30) is detachably disposed on the base (10); or the mounting plate (30) is rotatably connected by one side On the base (10).
The pre-connected terminal box according to claim 5, wherein the mounting plate (30) has a flat shape; or the mounting plate (30) has a stepped shape, and the plurality of mounting holes (31) are oriented The tail cable fixing plates (40) are arranged on the mounting plate (30) in a linear array or a non-linear array.
The pre-connected terminal box according to claim 1, wherein the cover (20) is rotatably coupled to the base (10) by one side; or the cover (20) is detachably fixed Connected to the base (10).
The pre-connected terminal box according to claim 7, wherein the peripheral side of the base (10) and the peripheral side of the cover (20) are respectively provided with first mating portions (13) and a first mating portion Two matching parts (23);

The first engaging portion (13) and the second engaging portion (23) are fixing plates extending outwardly from the circumferential side of the base (10) and the circumferential side of the cover (20), respectively. A fixing hole (130, 230) is disposed through the fixing hole (130) through a fastener (50) , 230) fixedly connecting the cover (20) to the base (10); or

The first engaging portion (13) is a buckle or an engaging portion provided on a circumferential side of the base (10), and the second engaging portion (23) is correspondingly disposed on a circumference side of the cover (20) a snap portion or a buckle by which the cover (20) and the base are fastened by the buckle 10) Fixed connection.
The pre-connected terminal box according to any one of claims 1-8, characterized in that the bottom surface of the base (10) is provided with a fiber connecting portion (12), and the mounting plate (30) is located at the optical fiber. Above the connection (12).
The pre-connected terminal box according to claim 9, wherein the fiber connecting portion (12) comprises a splice tray, a fiber storage tray or an adapter.