CN100516544C - Outlet fixing structure of fan - Google Patents
Outlet fixing structure of fan Download PDFInfo
- Publication number
- CN100516544C CN100516544C CNB2005101342327A CN200510134232A CN100516544C CN 100516544 C CN100516544 C CN 100516544C CN B2005101342327 A CNB2005101342327 A CN B2005101342327A CN 200510134232 A CN200510134232 A CN 200510134232A CN 100516544 C CN100516544 C CN 100516544C
- Authority
- CN
- China
- Prior art keywords
- fan
- fixing structure
- cramp
- caulking groove
- outlet fixing
- 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.)
- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 3
- 208000007101 Muscle Cramp Diseases 0.000 description 33
- 230000000694 effects Effects 0.000 description 10
- 229910000679 solder Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
A fan outlet fixing structure is disposed on the fan frame with a wire-collecting slot and it comprises a caulking groove locates on the outside wall of the frame and the cramp is an elastic piece body with an L-shape section. In the caulking groove are disposed first and second holding-down grooves, which must locate separately on two sides of the wire-collecting slot. On the edges of two sides of the cramp there are first and second fastening parts, which are fastened in the first and second holding-down grooves.
Description
Technical field
The present invention relates to a kind of outlet fixing structure of fan, be meant a kind of assembling especially fast, conveniently, and do not have the utility structure of problems such as electric wire is deviate from, solder joint fracture after the assembling extremely.
Background technique
As shown in Figure 1, fan frame 10 has two end faces, and one of them end face forms the containing space 11 of hollow, wherein can insert an impeller, and another end face is provided with central siphon seat 12 and adds compressing tablet 13, can assemble drive unit in the central siphon seat 12, to drive the impeller rotation.
Outlet fixing structure is that the outer side wall at fan frame 10 is provided with a hub slot 20, hub slot 20 must connect upper and lower two end faces of fan frame 10, and its port all is provided with banking stop 21 separately, offer a slot 22 on the banking stop 21 again, and hub slot 20 is provided with a wire outlet 23 that is through to containing space 11 in addition near the port of central siphon seat 12 1 sides.
And for example shown in Figure 2, its outlet pattern is as follows:
Be welded with plural electric wire 31 on the circuit board 30 of drive unit, each electric wire 31 must be passed by wire outlet 23 earlier, and then one by one each electric wire 31 is filled in hub slot 20 by slot 22 places, and by the block of banking stop 21, each electric wire 31 is fixed in the hub slot 20.
There is following shortcoming in the above-mentioned outlet fixing structure of commonly using:
1, assembly operation inconvenience: the assembly operation that electric wire is filled in hub slot one by one via slot is quite inconvenient and slowly, as shown in Figure 2, when two fan frame combining and configuring and when merging outlet, number of electrical lines reaches eight more than, therefore must repeat eight times electric wire filled in the action of slot, can finish the assembly operation of outlet.
2, off-line easily: though the electric wire in the hub slot has the banking stop block spacing, but the existence of slot still may cause electric wire to deviate from, especially the number of electrical lines in the hub slot more still might make and deviate near the electric wire of slot because of the vibration of impeller transhipment.
3, the solder joint of electric wire and circuit board ruptures easily: as shown in Figure 2, when two fan frame combining and configuring and when merging outlet, the electric wire that is disposed at the below is horizontal kenel and stretches out from wire outlet, but the electric wire that is disposed at the top is not then because be subjected to any support, stretch out from wire outlet and present downward-sloping kenel, make that so the solder joint between electric wire and the circuit board ruptures easily because of bearing the folding s tress effect.
Therefore, if will thoroughly solve the problems such as the easy fracture of solder joint of inconvenient, the easy off-line of the above assembling and electric wire and circuit board, must improve outlet fixing structure of fan.
Summary of the invention
At the problems referred to above, main purpose of the present invention is to provide a kind of assembling fast, conveniently, and does not have the outlet fixing structure of fan of problems such as electric wire is deviate from, solder joint fracture after the assembling extremely.
For achieving the above object, a kind of outlet fixing structure of fan provided by the present invention, it is arranged on the fan frame, and described fan frame is provided with hub slot, it is characterized in that: it also comprises a caulking groove and a cramp; Described caulking groove is positioned at the angle position place of described fan frame outer side wall, hub slot; Described cramp is the elastic strip body that section is the L type, and the angle of described L type must be less than the angle of the described fan frame corner that described caulking groove is set; Also be provided with first catching groove and second catching groove in the described caulking groove, described first and second catching groove must lay respectively at the both sides of described hub slot, the both sides ora terminalis of described cramp court's interior lateral buckling in correspondence with each other separately is extended with the first button portion and the second button portion, and described first and second button portion is fastened in described first and second catching groove.
The technological scheme of the invention described above, described caulking groove must corresponding described cramp shape, described cramp is inserted behind the described caulking groove and the flat attitude of described fan frame table face.
The above technological scheme of the present invention, described cramp adopt metal, macromolecular material or any rubber-like material to make.
The above technological scheme of the present invention, the upper and lower end of the described first button portion all are provided with salient point separately.
The above technological scheme of the present invention, the upper and lower end of the described second button portion all are provided with salient point separately.
The above technological scheme of the present invention, the external side brim of the described second button portion is provided with interior bending in addition.
The above technological scheme of the present invention, described interior bending is straight lamellar body.
The above technological scheme of the present invention, described interior bending is the curved arc lamellar body.
The above technological scheme of the present invention is provided with wire outlet in the described hub slot, is provided with between the end face of described wire outlet and described fan frame at interval.
Adopt technique scheme, the present invention utilizes the buckle Combination Design between caulking groove and the cramp, only need a snap action, institute's live wire can be fixed in the hub slot, assembly operation very fast, conveniently, cooperate the differential seat angle design between cramp and the fan frame again, the folder that forces cramp to produce the reaction force effect of pulling, and make cramp fit in the caulking groove closely, after the assembling the problem that electric wire is deviate from can not take place, and the design that is not communicated with the end face of fan frame of wire outlet of the present invention, can thoroughly solve the problem of the solder joint fracture between electric wire and the circuit board again.
Description of drawings
Fig. 1 is a schematic appearance of commonly using structure;
Fig. 2 is a combination generalized section of commonly using structure;
Fig. 3 is first kind of structure kenel schematic representation of outward appearance of the present invention and cramp;
Fig. 4 is second kind of structure kenel schematic representation of cramp of the present invention;
Fig. 5 is the third structure kenel schematic representation of cramp of the present invention;
Fig. 6 is a combination generalized section of the present invention;
Fig. 7 is that section of the present invention is implemented schematic representation one;
Fig. 8 is that section of the present invention is implemented schematic representation two.
Embodiment
The present invention enumerates preferred embodiment of the present invention below about a kind of outlet fixing structure of fan, and conjunction with figs. explanation the present invention respectively forms the relevant position of member:
As shown in Figure 3, fan frame 10 has two end faces, and one of them end face forms the containing space 11 of hollow, wherein inserts an impeller, and another end face is provided with central siphon seat 12 and adds compressing tablet 13, and central siphon seat 12 can assemble drive unit, to drive the impeller rotation.In addition, the outer side wall of fan frame 10 is provided with a hub slot 20 again, hub slot 20 connects upper and lower two end faces of fan frame 10, be provided with a wire outlet 27 that is through to containing space 11 near a side of central siphon seat 12, and be provided with between the end face of wire outlet 27 and fan frame 10 at interval, promptly wire outlet 27 is not communicated with the end face of fan frame 10.
Outlet fixing structure of fan provided by the present invention also comprises a caulking groove 24 and a cramp 40.
As shown in Figure 4, the second button portion 42 is a straight lamellar body, because of the first button portion 41 and the second button portion 42 are interior lateral buckling towards in correspondence with each other, therefore has the effect of inside clip, and and for example shown in Figure 3, cramp 40 is the state of combining closely with caulking groove 24.
As shown in Figure 3, the external side brim of the second button portion 42 has an interior bending 422 that bends inwards in addition, interior bending 422 be a straight lamellar body and and the second button portion 42 between form an acute angle angle, make the clip effect that produces an elasticity ejection between itself and second catching groove 26, increase the tight effect that cramp 40 combines with caulking groove 24.
In addition, as shown in Figure 5, the interior bending 423 of the second button portion 42 is the curved arc shape, can produce the clip effect of an elasticity ejection equally, increases the tight effect that cramp 40 combines with caulking groove 24, as shown in Figure 3.
Again as shown in Figure 6, outlet kenel of the present invention is as follows:
Be welded with plural electric wire 31 on the circuit board 30 of drive unit, each electric wire 31 must be passed by wire outlet 27 earlier, then with electric wire 31 smooth place hub slot 20.
And for example Fig. 7, shown in Figure 8 inserts caulking groove 24 with cramp 40 again, and first and second button portion 41,42 of cramp 40 is buckled into respectively in first and second catching groove 25,26, and thus, cramp 40 can be fixed in each electric wire 31 in the hub slot 20 very fast.
And, suppose that the angle of fan frame 10 corners that caulking groove 24 is set is θ, then the angle of the L type of cramp 40 must be less than θ, generally with than angle θ little 7 °~10 ° be the best.
Therefore, after cramp 40 is fitted into caulking groove 24, because the design of the differential seat angle between the corner of cramp 40 and fan frame 10, the folder that can force cramp 40 to produce the reaction force effect of pulling, and force its first and second button portion 41,42 first and second catching groove 25,26 that links closely, and cramp 40 is fitted in the caulking groove 24 closely.
Moreover, wire outlet 27 of the present invention is not communicated with the end face of fan frame 10, so no matter which direction the outlet direction of electric wire 31 is, wire outlet 27 all can be electric wire 31 and provides support, make each electric wire 31 total energys keep stretching out from wire outlet 27, can avoid solder joint between each electric wire 31 and the circuit board 30 to be subjected to the folding s tress effect and rupture with horizontal kenel.
Comprehensive above explanation, the present invention utilizes the buckle Combination Design between caulking groove and the cramp, only need a snap action, institute's live wire can be fixed in the hub slot, assembly operation very fast, conveniently, cooperate the differential seat angle design between cramp and the fan frame again, the folder that forces cramp to produce the reaction force effect of pulling, and make cramp fit in the caulking groove closely, after the assembling the problem that electric wire is deviate from can not take place, and the design of wire outlet of the present invention, can effectively avoid the solder joint fracture between electric wire and the circuit board again, the real initiative that belongs in the middle of like product.
The above only is a preferable enforcement kenel of the present invention, uses the equivalent structure variation that specification of the present invention, claims or accompanying drawing are done such as, all should be included in the scope of patent protection of the present invention.
Claims (9)
1, a kind of outlet fixing structure of fan, it is arranged on the fan frame, and described fan frame is provided with hub slot, also comprises a caulking groove and a cramp, and described caulking groove is positioned at the angle position place of described fan frame outer side wall, hub slot; Described cramp is the elastic strip body that section is the L type, it is characterized in that:
The angle of described L type must be less than the angle of the described fan frame corner that described caulking groove is set;
Also be provided with first catching groove and second catching groove in the described caulking groove, described first and second catching groove must lay respectively at the both sides of described hub slot, the both sides ora terminalis of described cramp court's interior lateral buckling in correspondence with each other separately is extended with the first button portion and the second button portion, and described first and second button portion is fastened in described first and second catching groove.
2, outlet fixing structure of fan as claimed in claim 1 is characterized in that: the shape that described caulking groove must corresponding described cramp, described cramp are inserted behind the described caulking groove and the flat attitude of described fan frame table face.
3, outlet fixing structure of fan as claimed in claim 1 is characterized in that: described cramp adopts metal, macromolecular material or any rubber-like material to make.
4, outlet fixing structure of fan as claimed in claim 1 is characterized in that: the upper and lower end of the described first button portion all is provided with salient point separately.
5, outlet fixing structure of fan as claimed in claim 1 is characterized in that: the upper and lower end of the described second button portion all is provided with salient point separately.
6, outlet fixing structure of fan as claimed in claim 1 is characterized in that: the external side brim of the described second button portion is provided with interior bending in addition.
7, outlet fixing structure of fan as claimed in claim 6 is characterized in that: bending is straight lamellar body in described.
8, outlet fixing structure of fan as claimed in claim 6 is characterized in that: bending is the curved arc lamellar body in described.
9, outlet fixing structure of fan as claimed in claim 1 is characterized in that: be provided with wire outlet in the described hub slot, be provided with between the end face of described wire outlet and described fan frame at interval.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005101342327A CN100516544C (en) | 2005-12-14 | 2005-12-14 | Outlet fixing structure of fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005101342327A CN100516544C (en) | 2005-12-14 | 2005-12-14 | Outlet fixing structure of fan |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1982721A CN1982721A (en) | 2007-06-20 |
CN100516544C true CN100516544C (en) | 2009-07-22 |
Family
ID=38165456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005101342327A Expired - Fee Related CN100516544C (en) | 2005-12-14 | 2005-12-14 | Outlet fixing structure of fan |
Country Status (1)
Country | Link |
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CN (1) | CN100516544C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5004022B2 (en) * | 2008-02-26 | 2012-08-22 | 日本電産株式会社 | Axial fan |
CN105003451B (en) * | 2015-08-03 | 2017-08-18 | 嘉善卡固电气设备有限公司 | Easily assemble blower fan and its assembly method |
JP6740710B2 (en) | 2016-05-24 | 2020-08-19 | 日本電産株式会社 | Fan motor |
TWI805055B (en) * | 2021-11-02 | 2023-06-11 | 大陸商北海建準電子有限公司 | Cooling fan |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4160576A (en) * | 1977-04-13 | 1979-07-10 | Etudes Techniques Et Representations Industrielles E.T.R.I. | Electric power supply connector especially for a fan of the flat type |
-
2005
- 2005-12-14 CN CNB2005101342327A patent/CN100516544C/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4160576A (en) * | 1977-04-13 | 1979-07-10 | Etudes Techniques Et Representations Industrielles E.T.R.I. | Electric power supply connector especially for a fan of the flat type |
Also Published As
Publication number | Publication date |
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CN1982721A (en) | 2007-06-20 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP02 | Change in the address of a patent holder |
Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Patentee after: Sunonwealth Electric Machine Industry Co.,Ltd. Address before: Are Chinese Taiwan 802 Kaohsiung City No. 120 Lingya District 12 floor Patentee before: Sunonwealth Electric Machine Industry Co.,Ltd. |
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CP02 | Change in the address of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 |
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CF01 | Termination of patent right due to non-payment of annual fee |