CN203761747U - Fixing device for radiator - Google Patents
Fixing device for radiator Download PDFInfo
- Publication number
- CN203761747U CN203761747U CN201420123582.8U CN201420123582U CN203761747U CN 203761747 U CN203761747 U CN 203761747U CN 201420123582 U CN201420123582 U CN 201420123582U CN 203761747 U CN203761747 U CN 203761747U
- Authority
- CN
- China
- Prior art keywords
- radiator
- pcb board
- connecting portion
- fixed
- fixed part
- 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 - Lifetime
Links
- 238000005476 soldering Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 4
- 239000012212 insulator Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000011900 installation process Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Provided is a fixing device for a radiator, which relates to the technical field of heat radiation of PCB plates, and comprises a radiator, a PCB plate and a fixed connection member. The fixed connection member comprises a fixed part and a connecting part. The fixed part is fixedly connected to the bottom part of the connecting part. The PCB plate is provided with a fixed hole. The radiator is provided with a connecting hole. The fixed part is plugged in the fixed hole and closely cooperates with the fixed hole through welding. The connecting part is plugged in the connecting hole and closely cooperates with the connecting hole. The connecting part is provided with a clamping shoulder, which abuts against the surface of the PCB plate. Compared with the prior art, the fixing device for a radiator is advantageous in that processing of a screwed hole and an insulator can be saved; processing and mounting can be facilitated; cost can be saved and heat radiation performance can be improved.
Description
Technical field
The utility model relates to pcb board heat dissipation technology field, is specifically related to a kind of fixture of radiator.
Background technology
Many power components are generally all installed on pcb board, such as switching tube, rectifier, electric capacity etc., these power components dispel the heat to ensure that by radiator they normally work in certain temperature range conventionally, and then ensure the normal operation of whole pcb board.The fixed structure of radiator is a key factor that affects heat dispersion and pcb board quality.
At present, common fixing structure of radiator is that bolt fixed mode is as Fig. 1, be fixedly connected with by bolt 3 with pcb board 2 by radiator 1, and an insulating device 4 onesize with radiator 1 is set between radiator 1 and pcb board 2, insulating device 4 is generally epoxy plate.Fixed form by bolt 3 need to process screwed hole on radiator 1 and pcb board 2, and operation is more loaded down with trivial details, and processing is difficulty comparatively, waste material, increase cost; In addition, the insulating device 4 between radiator 1 and pcb board 2 has not only further increased cost, has also increased installation procedure, and is unfavorable for the heat radiation of radiator 1.
Summary of the invention
The purpose of this utility model is for deficiency of the prior art, and provide a kind of simple in structure, installation process is simple and efficient, cost is low, the fixture of the radiator of perfect heat-dissipating.
The purpose of this utility model is achieved through the following technical solutions:
A kind of fixture of radiator is provided, comprise radiator and pcb board, described radiator is arranged at the top of described pcb board, also comprise the fixed connecting piece that is fixedly connected with described radiator and described pcb board, described fixed connecting piece comprises fixed part and connecting portion, described fixed part is fixed in the bottom of described connecting portion, described pcb board is provided with fixing hole, described fixed part is plugged in described fixing hole and is welded and fixed with it, described connecting portion is provided with dogging shoulder, described dogging shoulder is connected to the surface of described pcb board, described radiator is provided with connecting hole, described connecting portion be plugged in described connecting hole and with its interference fits.
Wherein, described fixed part and described connecting portion are formed in one.
Wherein, described fixed part and described connecting portion are all set to cylinder, and the diameter of described fixed part is less than the diameter of described connecting portion.
Wherein, described fixed part and described connecting portion are all set to cuboid, and the cross-sectional area of described fixed part is less than the cross-sectional area of described connecting portion.
Wherein, described fixed part plate by soldering in described pcb board.
Wherein, described connecting hole is set to through hole or blind hole.
the beneficial effect that the utility model is created:
The fixture of radiator of the present utility model, comprise radiator, pcb board and be fixedly connected with radiator and the fixed connecting piece of pcb board, wherein, fixed connecting piece comprises fixed part and connecting portion, and fixed part is fixed in the bottom of connecting portion, pcb board is provided with fixing hole, fixed part is plugged in fixing hole and is welded and fixed with it, and connecting portion is provided with dogging shoulder, and dogging shoulder is connected to the surface of pcb board, radiator is provided with connecting hole, connecting portion be plugged in connecting hole and with its interference fits.When installation of heat radiator, the connecting portion of fixed connecting piece inserts in the connecting hole on radiator and closely cooperates with it, then the fixed part of connecting portion bottom is inserted in the fixing hole on pcb board, again fixed part and pcb board are welded, complete the installation of radiator, the mode of being welded and fixed has been strengthened radiator and has been fixed on fastness and the stability on pcb board.The above-mentioned installation process of radiator has been saved processing and the insulating device of screwed hole, simplify installation process, save cost, improve heat dispersion, and simple in structure due to fixed connecting piece, be easy to processing and install, having simplified the production procedure of whole pcb board, production efficiency significantly improves.
Brief description of the drawings
Fig. 1 is the structural representation of the fixed structure of radiator of the prior art;
Fig. 2 is the structural representation of the fixture of a kind of radiator of the present utility model.
In Fig. 1 and Fig. 2, include:
Radiator 1, pcb board 2, bolt 3, insulating device 4;
Fixed connecting piece 5, fixed part 51, connecting portion 52.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
The specific embodiment of the fixture of a kind of radiator of the present utility model as shown in Figure 2, comprise radiator 1, pcb board 2 and be fixedly connected with radiator 1 and the fixed connecting piece 5 of pcb board 2, radiator 1 is arranged at the top of pcb board 2, by fixed connecting piece 5, radiator 1 is firmly arranged on pcb board 2, so that the components and parts on pcb board 2 dispel the heat.
Fixed connecting piece 5 comprises fixed part 51 and connecting portion 52, fixed part 51 is consolidated in the bottom of connecting portion 52, pcb board 2 is provided with fixing hole, on the radiator 1 corresponding with fixing hole, be provided with connecting hole, fixed part 51 inserts in fixing hole and by welding and fixes with it, one end of connecting portion 52 insert in connecting hole and with its interference fits, wherein, connecting portion 52 is provided with dogging shoulder, dogging shoulder is connected to the surface of pcb board 2, connecting portion 52 not only plays the effect of connection, also plays the effect of supporting radiator 1, improves the fixing reliability of radiator 1.
In the present embodiment, fixed part 51 is formed in one with connecting portion 52, be convenient to processing and install, fixed part 51 inserts fixing hole and is fixedly connected with pcb board 2 through welding manner, this welding manner is soldering, reinforces fastness and the stability of fixed part 51 and pcb board 2, fixing than bolt 3 of the prior art, easier, easily implement, in addition, fixed part 51 all can be set to cylinder with connecting portion 52, because the diameter of connecting portion 52 is greater than the diameter of fixed part 51, make an end face of the affixed fixed part 51 of connecting portion 52 be connected to the upper face of pcb board 2, and the other end of connecting portion 52 inserts in connecting hole and with its interference fits, thereby make connecting portion 52 not only play the effect of fixed heat sink 1, but also play the effect of supporting radiator 1, connecting portion 52 makes to form certain space between radiator 1 and pcb board 2, can prevent the Copper Foil short circuit on radiator 1 and pcb board 2, than setting up insulating device 4 at radiator 1 and pcb board 2, fixture of the present utility model can also strengthen the wiring space of radiator 1 below pcb board 2, improve the utilance of pcb board 2, and be conducive to the heat radiation of radiator 1.
Concrete, connecting hole is set to through hole or blind hole, and for reducing the waste to radiator 1, this connecting hole is blind hole.
In the utility model, when installation of heat radiator 1, in connecting hole on the connecting portion 52 partial insertion radiators 1 of fixed connecting piece 5 and closely cooperate with it, then the fixed part of fixed connecting piece 5 51 is inserted in the fixing hole on pcb board 2 completely, and fixed part 51 is concordant with the end face of connecting portion 52 Joints and the plate face of pcb board 2, again fixed part 51 and pcb board 2 are welded and fixed, have completed the fixed installation of radiator 1.Because the diameter of connecting portion 52 is greater than the diameter of fixed part 51, now, the upper face of the end face butt pcb board 2 of connecting portion 52 and fixed part 51 Joints, thereby make connecting portion 52 not only play the effect of fixed heat sink 1, but also play the effect of supporting radiator 1, make to form certain space between radiator 1 and pcb board 2, can prevent the Copper Foil short circuit on radiator 1 and pcb board 2; In addition, the above-mentioned installation process of radiator 1 has been saved processing and the insulating device 4 of screwed hole, simplify installation process, save cost, improve heat dispersion, and simple in structure due to fixed connecting piece 5, be easy to processing and install, improve the production procedure of whole pcb board 2, enhanced productivity.
Above embodiment is only in order to the technical solution of the utility model to be described, but not restriction to the utility model protection range can be modified or be equal to replacement the technical solution of the utility model, and do not departed from essence and the scope of technical solutions of the utility model.
Claims (6)
1. the fixture of a radiator, comprise radiator and pcb board, described radiator is arranged at the top of described pcb board, it is characterized in that: also comprise the fixed connecting piece that is fixedly connected with described radiator and described pcb board, described fixed connecting piece comprises fixed part and connecting portion, described fixed part is fixed in the bottom of described connecting portion, described pcb board is provided with fixing hole, described fixed part is plugged in described fixing hole and is welded and fixed with it, described connecting portion is provided with dogging shoulder, described dogging shoulder is connected to the surface of described pcb board, described radiator is provided with connecting hole, described connecting portion be plugged in described connecting hole and with its interference fits.
2. the fixture of a kind of radiator according to claim 1, is characterized in that: described fixed part and described connecting portion are formed in one.
3. the fixture of a kind of radiator according to claim 1, is characterized in that: described fixed part and described connecting portion are all set to cylinder, and the diameter of described fixed part is less than the diameter of described connecting portion.
4. the fixture of a kind of radiator according to claim 1, is characterized in that: described fixed part and described connecting portion are all set to cuboid, and the cross-sectional area of described fixed part is less than the cross-sectional area of described connecting portion.
5. the fixture of a kind of radiator according to claim 1, is characterized in that: described fixed part plate by soldering in described pcb board.
6. the fixture of a kind of radiator according to claim 1, is characterized in that: described connecting hole is set to through hole or blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420123582.8U CN203761747U (en) | 2014-03-19 | 2014-03-19 | Fixing device for radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420123582.8U CN203761747U (en) | 2014-03-19 | 2014-03-19 | Fixing device for radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203761747U true CN203761747U (en) | 2014-08-06 |
Family
ID=51256972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420123582.8U Expired - Lifetime CN203761747U (en) | 2014-03-19 | 2014-03-19 | Fixing device for radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203761747U (en) |
-
2014
- 2014-03-19 CN CN201420123582.8U patent/CN203761747U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term |