CN203675417U - Crimped connection assembly for electronic devices on PCB board and heat radiator - Google Patents
Crimped connection assembly for electronic devices on PCB board and heat radiator Download PDFInfo
- Publication number
- CN203675417U CN203675417U CN201320485071.6U CN201320485071U CN203675417U CN 203675417 U CN203675417 U CN 203675417U CN 201320485071 U CN201320485071 U CN 201320485071U CN 203675417 U CN203675417 U CN 203675417U
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- pcb board
- electronic device
- crimping
- pressing plate
- hole
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Abstract
The utility model discloses a crimped connection assembly for electronic devices on a PCB board and a heat radiator. The crimped connection assembly comprises a heat radiator provided with a crimping threaded hole, a PCB board, a pressing plate arranged between the electronic devices and the PCB board, a positioning member arranged between the pressing plate and the PCB board, an insulation pad sheet arranged between the electronic devices and the heat radiator, and a crimping screw bolt arranged in a positioning tube of the positioning member in a penetrating manner, wherein a face of the PCB board is provided with the electronic devices, the PCB board is provided with a first via hole corresponding to the crimping threaded hole, the pressing plate is provided with a second via hole corresponding to the first via hole, the positioning member comprises a middle part insulation pressing pad and the positioning tube which runs into the first via hole and the second via hole, the positioning tube is arranged at the two faces of the middle part insulation pressing pad, and the crimping screw bolt and the crimping threaded hole form a screw thread fit. The electronic devices in the crimped connection assembly do not occupy external space of the PCB board, overall product layout can be benefited, the PCB board can be effectively improved in utilization rate, and therefore power density of whole machine layout can be improved.
Description
Technical field
The utility model relates to electronic device packaging technology field, relates in particular to electronic device on a kind of pcb board and the crimping assembly of radiator.
Background technology
PCB(Printed Circuit Board) plate, Chinese is printed circuit board, it is important electronic unit, as the supporter of electronic device, it is the supplier that electronic device electrical equipment connects, and prints different circuit and connect different electronic devices the circuit board that just can produce multiple difference in functionality on pcb board.
The multiple electronic devices that are connected on pcb board can produce heat in the process of work, and these caloric requirements are discharged in time, otherwise can impact the safe operation of whole circuit board.
The mode generally adopting in industry is by electronic device and radiator laminating, be pressed on radiator by electronic device, so that the heat that electronic device is produced is discharged by radiator in time, the electronic device on pcb board and radiator compress the two kinds of modes that mainly contain at present:
Be an edge that the electronic device that needs crimping is arranged on to pcb board, now electronic device has been exposed at the outside of pcb board, then directly electronic device is crimped on the radiator of its underpart by crimp;
Another kind is that electronic device is arranged in the one side of pcb board, and the pcb board corresponding with electronic device position hollowed out, to electronic device is revealed from the another side of pcb board, then put into crimp electronic device is crimped on the radiator of its underpart from hollowing out position.
But in the first compression mode, electronic device has taken a large amount of pcb board space outerpaces, is unfavorable for the layout of product entirety, in the second compression mode, needs relevant position on pcb board to hollow out, this can affect the utilance of whole pcb board, reduces the power density of complete machine layout.
Therefore, how can avoid electronic device to take the space outerpace of pcb board, avoid reducing pcb board utilance simultaneously, be the technical problem that current those skilled in the art need solution badly.
Utility model content
The purpose of this utility model is to provide electronic device on a kind of pcb board and the crimping assembly of radiator, so that in avoiding electronic device on pcb board to take pcb board space outerpace, can effectively improve the utilance of pcb board.
For solving above-mentioned prior art problem, the crimping assembly of the electronic device on the pcb board that the utility model provides and radiator comprises:
Radiator, is provided with crimping screwed hole on described radiator;
In one side, be provided with the pcb board of electronic device, on described pcb board, offer first through hole corresponding with described crimping screwed hole;
Be arranged at the pressing plate between described electronic device and described pcb board, on described pressing plate, be provided with second through hole corresponding with described the first through hole;
Be arranged at the keeper between described pressing plate and pcb board, described keeper comprises middle part insulation pressure pad and is arranged at the two sides of described middle part insulation pressure pad and penetrates respectively the positioning pipe in described the first through hole and the second through hole;
Be arranged at the insulation spacer between described electronic device and described radiator;
Be arranged in the positioning pipe of described keeper and with the crimping screw of described crimping screwed hole threaded engagement.
Preferably, on the inwall of described the first through hole, be also provided with location notch, penetrate positioning pipe part in described the first through hole and be provided with and the positioning bar of described location notch adaptation.
Preferably, the electronic device being arranged on described pcb board is even number, two end in contact of adjacent two electronic devices and same pressing plate, described crimping screwed hole is between described two electronic devices, the second through hole on the first through hole and described pressing plate on described pcb board is setting corresponding to described crimping screwed hole all, and any one electronic device only contacts with a pressing plate end.
Preferably, the electronic device being arranged on described pcb board is multiple, and quantity is odd number, one of them in described electronic device is by an independent crimping of pressing plate, in all the other electronic devices, any one electronic device only contacts with a pressing plate end, and two end in contact of adjacent two electronic devices and same pressing plate, described crimping screwed hole is between described adjacent two electronic devices, and all settings corresponding to described crimping screwed hole of the second through hole on the first through hole and described pressing plate on described pcb board.
Preferably, described pressing plate is rectangle pressing plate, and on two long limits of the one side that described pressing plate is relative with described pcb board, be also provided with the flanging towards pcb board, the middle part of described keeper insulation pressure pad just can be installed in the card holding trough that the flanging of described pressing plate forms.
Preferably, described keeper is plastics keeper.
In the crimping assembly of the electronic device on the pcb board providing in the utility model and radiator, electronic device is arranged in the one side of pcb board, and crimp is arranged between electronic device and pcb board, on radiator, be provided with crimping screwed hole, on pcb board He on pressing plate, be respectively arranged with first through hole corresponding with crimping screwed hole and the second through hole, keeper is arranged between pressing plate and pcb board, and be located in respectively in the first through hole and the second through hole by the positioning pipe arranging on it, insulation spacer between electronic device and radiator can ensure the insulation between electronic device and radiator, crimping screw penetrates in positioning pipe from the front of pcb board, and be threaded with the crimping screwed hole on radiator, thereby electronic device is pressed on radiator.
As can be seen here, in the crimping assembly of the electronic device on pcb board provided by the utility model and radiator, electronic device has been arranged in the one side of pcb board, thereby electronic device do not take the space outerpace of pcb board, is conducive to the integral layout of product; Simultaneously owing to only needing to arrange first through hole that can pass for the positioning pipe on keeper on pcb board, and without corresponding electronic device position is all hollowed out, compare and prior art, the sectional area of the first through hole is very limited, this has just effectively improved the utilance of pcb board, thereby has improved the power density of complete machine layout.
Brief description of the drawings
The crimping assembly integral structural representation that Fig. 1 is the electronic device on the pcb board providing in the utility model embodiment and radiator;
Fig. 2 is the assembling schematic diagram of the keeper in the crimping assembly providing in the utility model embodiment and pressing plate;
The structure schematic diagram that Fig. 3 is the pcb board that provides in the utility model embodiment;
Fig. 4 is the pcb board that provides in the utility model embodiment and the assembling schematic diagram of radiator;
Fig. 5 is the scheme of installation of crimping screw on pcb board in the crimping assembly providing in the utility model embodiment;
Fig. 6 removes the inner connecting structure schematic diagram after pcb board for the crimping assembly that provides in the utility model embodiment.
Wherein, 1 is radiator, and 2 is electronic device, and 3 is crimping screw, and 4 is keeper, and 5 is pressing plate, and 6 is pcb board, and 7 is positioning pipe, and 8 is middle part insulation pressure pad, and 9 is the second through hole, and 10 is flanging, and 11 is positioning bar, and 12 is insulation spacer.
Embodiment
The purpose of this utility model is to provide electronic device on a kind of pcb board and the crimping assembly of radiator, to make, in avoiding electronic device on pcb board to take pcb board space outerpace, can effectively improving the utilance of pcb board.
In order to make those skilled in the art person understand better scheme of the present utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
In the crimping assembly of the electronic device on pcb board provided by the utility model and radiator, comprise radiator 1, be arranged on electronic device 2, pressing plate 5, keeper 4, insulation spacer 12 and crimping screw 3 in pcb board 6 one sides.
Wherein on radiator 1, be provided with the crimping screwed hole for matching with crimping screw 3, electronic device 2 passes through to connect the circuit communication on suspension column and pcb board 6, and on pcb board 6, is provided with first through hole corresponding with crimping screwed hole; Pressing plate 5 is arranged between electronic device 2 and pcb board 6, and on pressing plate 5, is provided with second through hole 9 corresponding with the first through hole, and now the first through hole, the second through hole 9 and crimping screwed hole are located along the same line; For the convenience of crimping screw 3 cross-under, in the present embodiment, also between pressing plate 5 and pcb board 6, be provided with keeper 4, as shown in Figures 1 and 2, wherein keeper 4 is made up of middle part insulation pressure pad 8 and the positioning pipe 7 that is arranged on insulation pressure pad 8 two sides, middle part, certainly, the positioning pipe 7 on two sides is interconnected, and the positioning pipe 7 being fixedly connected with middle part insulation pressure pad 8 penetrates respectively in the second through hole 9 on the first through hole and the pressing plate 5 on pcb board 6; Insulation spacer 12 is arranged between electronic device 2 and radiator 1, the one side (positive) that crimping screw 3 does not arrange electronic device 2 by pcb board 6 penetrates in positioning pipe 7, then with radiator 1 on the crimping screwed hole threaded engagement offered, tighten on radiator 1 by crimping screw 3, middle part insulation pressure pad 8 on keeper 4 will be exerted pressure to pressing plate 5, by pressing plate 5, the electronic device being in contact with it 2 will be crimped on to the object on radiator 1 thereby realize.
As can be seen here, in the crimping assembly of the electronic device on the pcb board providing in above-described embodiment and radiator, electronic device 2 has been arranged in the one side of pcb board 6, thereby electronic device 2 do not take edge or the space outerpace of pcb board 6, and this is conducive to the integral layout of product; Simultaneously owing to only needing to arrange first through hole that can pass for the positioning pipe 7 on keeper 4 on pcb board 6, and without corresponding electronic device 2 position is all hollowed out, compare and prior art, the diameter of the first through hole is much smaller, this has just effectively improved the utilance of pcb board 6, thereby has improved the power density of complete machine layout.
In order keeper 4 to be arranged in the first through hole accurately in installation process, on the inwall of the first through hole in the present embodiment, be also provided with location notch, accordingly for penetrating the positioning bar 11 being provided with on the positioning pipe 7 in the first through hole with location notch adaptation, as shown in Figure 2, positioning bar 11 can be embedded in the twice location notch on the first through-hole wall, thereby can facilitate the assembling of keeper 4 on pcb board 6, can in the time tightening crimping screw 3, prevent again the rotation of keeper 4.
Those skilled in the art are easy to expect, pressing plate 5 is arranged between electronic device 2 and pcb board 6, and between pressing plate 5 and pcb board 6, keeper 4 is set, then by the crimping screw 3 through pcb board 6, keeper 4 and pressing plate 5, pressing plate 5 is exerted pressure, and then mode electronic device 2 being crimped on radiator 1 by pressing plate 5 has multiple, for example pressing plate 5 can be set to rectangle, for an electronic device 2, can be crimped on radiator 1 by the middle part of pressing plate 5, now the two ends of pressing plate 5 will be anchored on radiator 1 by crimping screw 3; Or the one end by pressing plate 5 is crimped on electronic device 2 on radiator 1, so at this moment the other end of pressing plate 5 need to be crimped in another electronic device 2 or a mat piece, and crimping screw 3 is anchored on the middle part of pressing plate 5 on radiator 1; Or be that pressing plate 5 is quadrangles of triangle, middle part hollow out etc., for an electronic device 2, it can only be crimped on radiator 1 by the position, a corner of pressing plate 5 so.
In the utility model embodiment, provide a kind of in the time that the electronic device 2 on pcb board 6 is even number, the preferred mode of one of crimping assembly, now pressing plate 5 is preferably designed to rectangle, adjacent two electronic devices 2 and two end in contact of same pressing plate 5, and crimping screwed hole is just between two electronic devices 2, it is the medium position of corresponding pressing plate 5, all settings corresponding to crimping screwed hole of the second through hole 9 on the first through hole on pcb board 6 and pressing plate 5, meanwhile, any one electronic device 2 only contacts with the end of a pressing plate 5.
Please refer to Fig. 1, Fig. 3 and Fig. 6, this kind of crimping mode is to push down two electronic devices 2 by the two ends of a rectangle pressing plate simultaneously, i.e. " carrying pole type " structure of a pressure two, and a pressing plate 5 only needs a crimping screw 3 fixing, thereby this crimping mode can effectively be saved the quantity of pressing plate 5 and crimping screw 3, can effectively simplify installation steps, improve installation effectiveness simultaneously.
Certainly, in the present embodiment, also provide a kind of electronic device 2 of working as on pcb board 6 to have multiple simultaneously, and while being odd number, the preferred mode of one of crimping assembly, one of them crimping mode in multiple electronic devices 2 is for to carry out independent crimping by a pressing plate 5, when crimping, can contact with electronic device 2 by the middle part of pressing plate 5, the two ends of pressing plate 5 are anchored on radiator 1 by crimping screw 3, the crimping mode of remaining electronic device 2 is identical with the crimping mode in the time that the electronic device 2 on pcb board 6 is even number, be that each electronic device 2 only contacts with the end of a pressing plate 5, and adjacent two electronic devices 2 contact with the two ends of same pressing plate 5, the screwed hole of crimping is simultaneously between adjacent two electronic devices 2, and all settings corresponding to crimping screwed hole of the second through hole 9 on the first through hole on pcb board 6 and pressing plate 5.
As can be seen here, in the time that the electronic device 2 on pcb board 6 is odd number, one of them electronic device 2 is carried out to independent crimping by a pressing plate 5, the crimping mode of remaining electronic device 2 is consistent with the crimping mode in the time that the electronic device 2 on pcb board 6 is even number.
Therefore, no matter in the time that the electronic device 2 on pcb board 6 is odd number or even number, electronic device 2 is all arranged in the one side of pcb board 6, thereby can not take the rim space of pcb board 6 and other space outerpace, meanwhile, the first through hole of offering on pcb board 6, is only also to pass for the positioning pipe 7 on keeper 4, thereby the sectional area of the first through hole is limited, this can effectively improve the utilance of pcb board 6.
In order further to optimize the technical scheme in above-described embodiment, two long sides of the rectangular pressing plate in the present embodiment are also provided with flanging 10, and flanging 10 bends towards the side that pressing plate 5 is relative with pcb board 6, thereby just form a card holding trough at the middle part of pressing plate 5, accordingly, insulation pressure pad 8 in the middle part on keeper 4 just can be installed in the card holding trough that the flanging 10 of pressing plate 5 forms.
Arrange like this and can further prevent that keeper 4 rotates with crimping screw 3 in installation process, to ensure that pressing plate 5 is crimped on the electronic device at its two ends 2 on radiator 1 reliably.
The material of keeper 4 can have multiple choices, for example, can be wooden keeper, ceramic keeper etc., considers production cost and factor convenient for production in the present embodiment, preferably adopts plastics keeper.
In actual production process, the concrete installation process of crimping assembly of the electronic device on the pcb board providing in the utility model and radiator is, first be that pressing plate 5, keeper 4 are placed between electronic device 2 and pcb board 6, then by bonding machine, electronic device 2 is welded on pcb board 6, forms pcb board 6 as shown in Figure 3; Then by pcb board 6 spiral-locks that are welded with electronic device 2 on radiator 1, as shown in Figure 4, and align with the installing hole on radiator 1 by the through hole at pcb board 6 positions, corner, thereby the location that completes the crimping screwed hole on positioning pipe 7 and the radiator 1 on keeper 4 is to it; And then crimping screw 3 is inserted in the positioning pipe 7 of keeper 4 from the front of pcb board 6, and the moment values going out according to moment experimental evaluation locking crimping screw 3, thereby complete the crimping to electronic device 2, as shown in Figure 5, complete after installation, the matching relationship between pressing plate 5 and electronic device 2 as shown in Figure 6.
Applied specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (6)
1. a crimping assembly for the electronic device on pcb board and radiator, is characterized in that, comprising:
Radiator (1), described radiator is provided with crimping screwed hole on (1);
In one side, be provided with the pcb board (6) of electronic device (2), on described pcb board (6), offer first through hole corresponding with described crimping screwed hole;
Be arranged at the pressing plate (5) between described electronic device (2) and described pcb board (6), on described pressing plate (5), be provided with second through hole (9) corresponding with described the first through hole;
Be arranged at the keeper (4) between described pressing plate (5) and pcb board (6), described keeper (4) comprises middle part insulation pressure pad (8) and is arranged at the two sides of described middle part insulation pressure pad (8) and penetrates respectively described the first through hole and positioning pipe (7) that the second through hole (9) is interior;
Be arranged at the insulation spacer (12) between described electronic device (2) and described radiator (1);
Be arranged in the positioning pipe (7) of described keeper (4) and with the crimping screw (3) of described crimping screwed hole threaded engagement.
2. the crimping assembly of the electronic device on pcb board according to claim 1 and radiator, it is characterized in that, on the inwall of described the first through hole, be also provided with location notch, penetrate the positioning bar (11) being provided with on the positioning pipe (7) in described the first through hole with described location notch adaptation.
3. the crimping assembly of the electronic device on pcb board according to claim 1 and radiator, it is characterized in that, the electronic device (2) being arranged on described pcb board (6) is even number, two end in contact of adjacent two electronic devices (2) and same pressing plate (5), described crimping screwed hole is positioned between described two electronic devices (2), the second through hole (9) on the first through hole on described pcb board (6) and described pressing plate (5) is setting corresponding to described crimping screwed hole all, and any one electronic device (2) only contacts with a pressing plate (5) end.
4. the crimping assembly of the electronic device on pcb board according to claim 1 and radiator, it is characterized in that, the electronic device (2) being arranged on described pcb board (6) is multiple, and quantity is odd number, one of them in described electronic device (2) is by a pressing plate (5) crimping separately, in all the other electronic devices (2), any one electronic device (2) only contacts with a pressing plate (5) end, and two end in contact of adjacent two electronic devices (2) and same pressing plate (5), described crimping screwed hole is positioned between described adjacent two electronic devices (2), and the second through hole (9) on the first through hole on described pcb board (6) and described pressing plate (5) is setting corresponding to described crimping screwed hole all.
5. according to the electronic device on the pcb board described in claim 1-4 any one and the crimping assembly of radiator, it is characterized in that, described pressing plate (5) is rectangle pressing plate, and on two long limits of the one side that described pressing plate (5) is relative with described pcb board (6), be also provided with the flanging (10) towards pcb board (6), the middle part of described keeper (4) insulation pressure pad (8) just can be installed in the card holding trough that the flanging (10) of described pressing plate (5) forms.
6. the crimping assembly of the electronic device on pcb board according to claim 5 and radiator, is characterized in that, described keeper (4) is plastics keeper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485071.6U CN203675417U (en) | 2013-08-08 | 2013-08-08 | Crimped connection assembly for electronic devices on PCB board and heat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485071.6U CN203675417U (en) | 2013-08-08 | 2013-08-08 | Crimped connection assembly for electronic devices on PCB board and heat radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203675417U true CN203675417U (en) | 2014-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320485071.6U Expired - Lifetime CN203675417U (en) | 2013-08-08 | 2013-08-08 | Crimped connection assembly for electronic devices on PCB board and heat radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203675417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954522A (en) * | 2015-06-25 | 2015-09-30 | 惠州Tcl移动通信有限公司 | Receiver of mobile phone and mobile phone using receiver |
-
2013
- 2013-08-08 CN CN201320485071.6U patent/CN203675417U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954522A (en) * | 2015-06-25 | 2015-09-30 | 惠州Tcl移动通信有限公司 | Receiver of mobile phone and mobile phone using receiver |
| CN104954522B (en) * | 2015-06-25 | 2018-12-07 | 惠州Tcl移动通信有限公司 | A kind of earpiece and its mobile phone using the earpiece |
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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: 20140625 |
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| CX01 | Expiry of patent term |