CN201319719Y - Radiator component and radiator-fixing device - Google Patents
Radiator component and radiator-fixing device Download PDFInfo
- Publication number
- CN201319719Y CN201319719Y CNU200820139628XU CN200820139628U CN201319719Y CN 201319719 Y CN201319719 Y CN 201319719Y CN U200820139628X U CNU200820139628X U CN U200820139628XU CN 200820139628 U CN200820139628 U CN 200820139628U CN 201319719 Y CN201319719 Y CN 201319719Y
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- China
- Prior art keywords
- radiator
- pcb
- circuit board
- printed circuit
- stator
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- Expired - Fee Related
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Abstract
The utility model provides a radiator component and a radiator-fixing device. The radiator component comprises a radiator and a fixing device, wherein, the radiator includes a base and a radiating fin; the fixing device includes a plurality of fixed plates; at least two fixed joints which are respectively used for fixing the radiator base and a printed circuit board are arranged on each fixed plate; and a sliding groove which is formed on the base or the fixed plate is used for regulating the radiator and the fixed joint on the fixed plate or the fixed plate and the fixed joint on the printed circuit board in a sliding manner so as to fix the radiator on the printed circuit board provided with a mounting hole. The utility model can improve the commonality of the radiator component and the radiator-fixing device.
Description
Technical field
The utility model relates to the radiator in a kind of communication apparatus printed circuit board (PCB), especially a kind of heat sink assembly and fixer for heat radiator.
Background technology
Flourish along with electronic industry, the extensive use of large scale integrated circuit, the speed of service and the integrated level of computer chip are also more and more higher, also brought higher caloric value when improving product function, if the performance even the defective chip that influence chip understood in untimely the distributing of heat.Industry normally installs a kind of radiator additional heat is conducted on chip, and the installation of radiator normally is fixed on the PCB with screw, and radiator closely contacts with chip.This method normally need on radiator and the corresponding position of PCB, open installing hole, and fix with screw.
The deficiencies in the prior art part is, the position of opening of radiator need be corresponding one by one with the position of opening of PCB, position for different PCB layout installing holes is also different, just caused at the situation that will design a variety of radiators with a kind of chip, not only need design iterations, and efficient and versatility are all very low; In addition, this fixed form makes radiator, chip and PCB connect for dead, and the pressure of radiator and chip contact-making surface is difficult to control, has the problem of damaging chip or insufficient pressure by pressure.
The utility model content
The technical problems to be solved in the utility model provides a kind of heat sink assembly and fixer for heat radiator, improves the versatility of heat sink assembly and fixer for heat radiator.
In order to address the above problem, the utility model provides a kind of heat sink assembly, this heat sink assembly comprises radiator and fixture, radiator comprises pedestal and fin, described fixture comprises several stators, have at least two fixing points on described each stator, be respectively applied for and be connected and fixed radiator base and printed circuit board (PCB), described pedestal offers sliding tray or described stator is offered sliding tray, be used for the fixing point of described radiator of slidable adjustment and described stator or the fixing point of described stator and printed circuit board (PCB), so that radiator is fixed on the printed circuit board (PCB) with installing hole.
Further, after described fixture was fixed on radiator on the printed circuit board (PCB), described stator met the following conditions at the fixing point of pedestal: in the line both sides of pedestal center and arbitrary fixing point a fixing point is arranged at least respectively.
Further, described fixture also comprises prerotation vane, and described pedestal is provided with guide rail, and described prerotation vane one end inserts guide rail and can slide along guide rail, and the other end is provided with fixing hole, is used for aliging with the printed circuit board (PCB) installing hole and fixing.
Further, described stator has fixing hole, and described fixture also comprises double-screw bolt and screw, and the installing hole that described double-screw bolt is used to pass fixing hole and printed circuit board (PCB) is fixed on printed circuit board (PCB) with described stator.
Further, described fixture also comprises spring, and described spring is used to be enclosed within double-screw bolt, and during fixed heat sink, two ends are connected to respectively on screw and the stator.
Further, described fixing hole and double-screw bolt cross-sectional profiles all are oval shape, rotate to prevent double-screw bolt.
For solving the problems of the technologies described above, the present invention also provides a kind of fixer for heat radiator, this fixture is used for radiator is fixed on printed circuit board (PCB), described fixture comprises several stators, have at least two fixing points on described each stator, be respectively applied for and be connected and fixed radiator base and printed circuit board (PCB), described stator is offered sliding tray, the fixing point that is used for described stator of slidable adjustment and printed circuit board (PCB) is to be fixed on radiator on the printed circuit board (PCB) with installing hole.
Further, after described fixture was fixed on radiator on the printed circuit board (PCB), described stator met the following conditions at the fixing point of pedestal: in the line both sides of pedestal center and arbitrary fixing point a fixing point is arranged at least respectively.
Further, described fixture also comprises prerotation vane, and described pedestal is provided with guide rail, and described prerotation vane one end inserts guide rail and can slide along guide rail, and the other end is provided with fixing hole, is used for aliging with the printed circuit board (PCB) installing hole and fixing.
Further, described stator has fixing hole, and described fixture also comprises double-screw bolt and screw, and the installing hole that described double-screw bolt is used to pass fixing hole and printed circuit board (PCB) is fixed on printed circuit board (PCB) with described stator.
Compared to prior art, the utility model heat sink assembly and fixer for heat radiator utilize sliding tray to make the position-adjustable of stator, prerotation vane, thereby the radiator under the realization PCB position of mounting hole situation of change is reliably installed, avoided the design iterations radiator, reduce design cost, and have the characteristics of versatility.
Description of drawings
Fig. 1 is the utility model heat sink assembly and PCB assembling exploded view.
Fig. 2 is the utility model heat sink assembly vertical view.
Fig. 3 is the utility model radiator schematic cross-section.
Fig. 4 is the utility model heat sink assembly prerotation vane part assembling exploded view.
Fig. 5 is the utility model heat sink assembly stator part assembling exploded view.
Fig. 6 is the partial cross sectional views of the overall assembling of the utility model radiator.
Embodiment
The utility model heat sink assembly comprises radiator and fixture, radiator utilizes fixture to be fixed on and is provided with on the printed circuit board (PCB) of installing hole, has fixing hole during installation apart from characteristics adjustable and that pressure floats, as shown in Figure 1, this radiator comprises pedestal 1 and fin, wherein, pedestal 1 is the flat cube, edge wherein two opposite side is provided with the sliding tray 11 (as shown in Figure 2) that runs through pedestal top and bottom and side, be provided with guide rail 12 at lateral opening along other two opposite side, this guide rail cross section is the T type, as shown in Figure 2, and have T type opening in the side vertical, be used to insert prerotation vane with guide rail 12.
Be used for the fixture that radiator is fixed on the printed circuit board (PCB) is comprised compositions such as stator 2, prerotation vane 3, spring 4, double-screw bolt 5 and screw.
The stator of radiator shown in Figure 2 and the movement locus of prerotation vane can be regulated the installation site of radiator by adjusting stator and prerotation vane, to reach unitized purpose.
The fixing hole of above stator 2 and prerotation vane 3 is oval shape, and corresponding, the double-screw bolt cross section that is used for fixing described stator 2 and prerotation vane 3 also is oval shape, is used for matching with fixing hole, and center stud has through hole whorl.The fixing hole of prerotation vane 3 and stator 2 and double-screw bolt 3 cross-sectional profiles have the effect that prevents the double-screw bolt transfer for oval shape.
By the stud component structure that double-screw bolt 3, spring 4, screw 5 are formed, realize fixing to stator 2 and prerotation vane 3.
Fig. 4 is a prerotation vane part assembling exploded view, and during assembling, prerotation vane one end penetrates in the guide rail 12 of pedestal 1; The other end, double-screw bolt penetrates from the below of guiding film perforation, and spring is enclosed within on the double-screw bolt from above, and screw is screwed.
Fig. 5 is a stator part assembling exploded view, and an end penetrates in the sliding tray of pedestal 1, and it is fastening to pass fixing hole with screw; The other end is identical with the fit of prerotation vane.
During assembling, regulate the position of radiator stator and prerotation vane, it is corresponding to go up the installing hole center with the center that guarantees the radiator double-screw bolt and PCB, then screw is passed installing hole from the PCB back side and screws in the double-screw bolt, screws two screws realization secure fixation on the stator at last.
Fig. 6 is the partial cross sectional views of overall assembling, it among the figure schematic diagram after heat sink assembly and chip 6, the printing board PCB 7 overall assemblings, spring 4 is enclosed within and is compressed in simultaneously on the double-screw bolt 5 between screw and the prerotation vane 3, the pressure of spring is delivered on the Section Bar Heat Sinks 1 by prerotation vane, finally act on the chip, guarantee that radiator and chip have certain contact pressure, increased heat conducting thermal diffusivity, improved the reliability of chip cooling.
The utility model heat sink assembly utilizes sliding tray to make the position-adjustable of stator, prerotation vane, thereby the radiator under the realization PCB position of mounting hole situation of change is reliably installed, avoid the design iterations radiator, reduced design cost, and had the characteristics of versatility; The function of stud component is to make radiator apply suitable contact pressure to chip, by the accurate Calculation spring pressure, can guarantee the reliability of contact pressure, improves the heat loss through conduction effect, thereby realizes the effect that pitch-row is adjustable, pressure floats when mounted.
The track cross-section of described prerotation vane 21 except can be the diagram positive T type, also can be transformed to horizontal T type or bending-type, it is the conduit that cross section has both direction at least, correspondingly, prerotation vane conforms to the guide rail shape with the end that guide rail cooperates, thereby can not come off after making prerotation vane 21 insert guide rail 12.
Except adopting stator to add the fixed form of prerotation vane, the utility model heat sink assembly can also be offered four sliding trays at radiator base and reach being fixed with the mode that adopts four stators, or begin sliding tray at two opposite side, fix two stators on each sliding tray, and after described fixture is fixed on radiator on the printed circuit board (PCB), this stator meets the following conditions at the fixing point of pedestal: in the line both sides of pedestal center and arbitrary fixing point a fixing point is arranged at least respectively, as long as satisfy this condition, radiator also can be by three stator secure fixation on printed circuit board (PCB).
Based on identical principle, if stator is in the fixing point relative fixed of an end of radiator, stator can rotate around fixing point simultaneously, be fixed on sliding tray on the PCB being provided with on the stator for the other end, behind the installing hole on rotation stator secured in alignment sheet sliding tray and the printed circuit board (PCB), fixed at two fixing points, can be realized the utility model purpose equally stator.
The utility model heat sink assembly and fixer for heat radiator have solved the problem of radiator generalization installation and contact pressure control, have the advantages that to improve versatility, reduction design cost, improve reliability.
Certainly; the utility model also can have other embodiment; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
1, a kind of heat sink assembly, this heat sink assembly comprises radiator and fixture, radiator comprises pedestal and fin, it is characterized in that, described fixture comprises several stators, have at least two fixing points on described each stator, be respectively applied for and be connected and fixed radiator base and printed circuit board (PCB), described pedestal offers sliding tray or described stator is offered sliding tray, be used for the fixing point of described radiator of slidable adjustment and described stator or the fixing point of described stator and printed circuit board (PCB), so that radiator is fixed on the printed circuit board (PCB) with installing hole.
2, heat sink assembly as claimed in claim 1, it is characterized in that: after described fixture was fixed on radiator on the printed circuit board (PCB), described stator met the following conditions at the fixing point of pedestal: in the line both sides of pedestal center and arbitrary fixing point a fixing point is arranged at least respectively.
3, heat sink assembly as claimed in claim 1, it is characterized in that: described fixture also comprises prerotation vane, and described pedestal is provided with guide rail, and described prerotation vane one end inserts guide rail and can slide along guide rail, the other end is provided with fixing hole, is used for aliging with the printed circuit board (PCB) installing hole and fixing.
4, heat sink assembly as claimed in claim 1, it is characterized in that: described stator has fixing hole, described fixture also comprises double-screw bolt and screw, and the installing hole that described double-screw bolt is used to pass fixing hole and printed circuit board (PCB) is fixed on printed circuit board (PCB) with described stator.
5, heat sink assembly as claimed in claim 4 is characterized in that: described fixture also comprises spring, and described spring is used to be enclosed within double-screw bolt, and during fixed heat sink, two ends are connected to respectively on screw and the stator.
6, heat sink assembly as claimed in claim 4 is characterized in that: described fixing hole and double-screw bolt cross-sectional profiles all are oval shape, rotate to prevent double-screw bolt.
7, a kind of fixer for heat radiator, this fixture is used for radiator is fixed on printed circuit board (PCB), it is characterized in that, described fixture comprises several stators, have at least two fixing points on described each stator, be respectively applied for and be connected and fixed radiator base and printed circuit board (PCB), described stator is offered sliding tray, the fixing point that is used for described stator of slidable adjustment and printed circuit board (PCB) is to be fixed on radiator on the printed circuit board (PCB) with installing hole.
8, fixer for heat radiator as claimed in claim 1, it is characterized in that: after described fixture was fixed on radiator on the printed circuit board (PCB), described stator met the following conditions at the fixing point of pedestal: in the line both sides of pedestal center and arbitrary fixing point a fixing point is arranged at least respectively.
9, fixer for heat radiator as claimed in claim 1, it is characterized in that: described fixture also comprises prerotation vane, and described pedestal is provided with guide rail, and described prerotation vane one end inserts guide rail and can slide along guide rail, the other end is provided with fixing hole, is used for aliging with the printed circuit board (PCB) installing hole and fixing.
10, fixer for heat radiator as claimed in claim 1, it is characterized in that: described stator has fixing hole, described fixture also comprises double-screw bolt and screw, and the installing hole that described double-screw bolt is used to pass fixing hole and printed circuit board (PCB) is fixed on printed circuit board (PCB) with described stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820139628XU CN201319719Y (en) | 2008-10-28 | 2008-10-28 | Radiator component and radiator-fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820139628XU CN201319719Y (en) | 2008-10-28 | 2008-10-28 | Radiator component and radiator-fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201319719Y true CN201319719Y (en) | 2009-09-30 |
Family
ID=41198476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820139628XU Expired - Fee Related CN201319719Y (en) | 2008-10-28 | 2008-10-28 | Radiator component and radiator-fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201319719Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307452A (en) * | 2011-08-31 | 2012-01-04 | 昆山锦泰电子器材有限公司 | Double discharge orifice notching radiating fin provided with fixed slideway |
| CN102385425A (en) * | 2010-08-30 | 2012-03-21 | 鸿富锦精密工业（深圳）有限公司 | Blower fixing device |
| CN102655730A (en) * | 2011-03-04 | 2012-09-05 | 鸿富锦精密工业（深圳）有限公司 | Heat dissipation device |
| CN105991043A (en) * | 2015-03-17 | 2016-10-05 | 富士电机株式会社 | A power conversion device |
-
2008
- 2008-10-28 CN CNU200820139628XU patent/CN201319719Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102385425A (en) * | 2010-08-30 | 2012-03-21 | 鸿富锦精密工业（深圳）有限公司 | Blower fixing device |
| CN102655730A (en) * | 2011-03-04 | 2012-09-05 | 鸿富锦精密工业（深圳）有限公司 | Heat dissipation device |
| CN102307452A (en) * | 2011-08-31 | 2012-01-04 | 昆山锦泰电子器材有限公司 | Double discharge orifice notching radiating fin provided with fixed slideway |
| CN105991043A (en) * | 2015-03-17 | 2016-10-05 | 富士电机株式会社 | A power conversion device |
| CN105991043B (en) * | 2015-03-17 | 2019-06-07 | 富士电机株式会社 | Power inverter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090930 Termination date: 20141028 |
|
| EXPY | Termination of patent right or utility model |