CN101500397A - Fastening structure for radiator - Google Patents
Fastening structure for radiator Download PDFInfo
- Publication number
- CN101500397A CN101500397A CNA2008100660326A CN200810066032A CN101500397A CN 101500397 A CN101500397 A CN 101500397A CN A2008100660326 A CNA2008100660326 A CN A2008100660326A CN 200810066032 A CN200810066032 A CN 200810066032A CN 101500397 A CN101500397 A CN 101500397A
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- radiator
- fastening structure
- section
- fastening
- clamping part
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Abstract
The invention relates to a fastening structure of a radiator, used for fixing a radiator on a circuit plate. The fastening structure comprises an actuating rod and an elastic element sleeved on the actuating rod. The actuating rod comprises an operating section, a fastening section and a connection section located between the operating section and the fastening section; the fastening section comprises a buckling part which can be blocked at the back of the circuit plate and a positioning part which is different from the buckling part in both length and thickness; and the buckling part and the positioning part alternatively extend outwards from the tail end of the connection section. In the invention, the mounting and dismounting of the radiator can be achieved only by rotating the actuating rod without needing any external tools or damaging the fastening structure of the radiator by tools.
Description
Technical field
The present invention relates to a kind of fastening structure, particularly a kind of fastening structure for radiator that is used for radiator is fixed to heat-generating electronic elements.
Background technology
Along with the lifting of electronic installation internal wafer arithmetic speed and the increase of consumed power, the heat of corresponding generation also increases severely thereupon, for wafer can be moved under normal working temperature, usually need in time to discharge the heat of wafer generation at the wafer surface radiator that is sticked, and industry fits tightly between radiator and the wafer to reach better heat radiating effect in order to make, and has adopted various fastening structure for radiator.At present common fastening structure for radiator as shown in Figure 1, this fastening structure comprises two fasteners 10, and a radiator 20 is fixed on the wafer of being located on the circuit board 30 40.The place, two diagonal angles of this radiator 20 level respectively extends outward a lug 22, and each lug is offered a through hole 24 and penetrated for fastener 10.This fastener 10 has a rounded nose 12, extend girth diameters column stock 14 smaller downwards from this rounded nose 12 than rounded nose 12, respectively extend upward a lamellar body from relative both sides, the bottom of this column stock 14, form a pair of barb 16, a sheathed spring 18 on the column stock 14 between head 12 and the barb 16.During use, with the through hole 24 of fastener 10 corresponding radiators 20 and push this fastener 10.Two barbs 16 of this fastener 10 are subjected to the extruding of radiator 20 and circuit board 30 and close up and pass successively on the through hole 24 of radiator 20 and the circuit board 30 and through hole 24 corresponding holes 32 towards column stock 14 directions, and make the barb 16 on the fastener 10 protrude out circuit board 30 and support the bottom surface that terminates in circuit board 30.Withhold circuit board 30 by barb 16, and the elastic force of spring 18 distortion generations, reach the purpose that radiator 20 and wafer 40 are combined closely.Because said structure supports the bottom surface that terminates in circuit board by the barb of fastener, in the time of dismounting, need the barb distortion of fastener be closed up and withdraw from circuit board and radiator by external tool, loaded down with trivial details and time-consuming, perhaps, tool using partly cuts off this barb, and makes this fastener discarded, be unfavorable for resource reutilization, so this kind fastening structure needs further to improve.
Summary of the invention
In view of this, be necessary to provide a kind of fastening structure for radiator of convenient disassembly in fact.
A kind of fastening structure for radiator, be used for a radiator is fixed to a circuit board, it comprises that an operating bar and is nested with the flexible member on this operating bar, this operating bar comprises that a lever piece, fastens the linkage section of section and between this lever piece and this fastening section, this fastening section comprises that but block reaches the location division that all is different from this clamping part on length and thickness in the clamping part of this back of circuit board, and this clamping part and this location division alternately stretch out from the end of above-mentioned linkage section.
Compared with prior art, above-mentioned fastening structure for radiator only can be realized the installing/dismounting of radiator by the rotation operating bar, need also not need to destroy this fastening structure for radiator by instrument by external tool.
With reference to the accompanying drawings, the invention will be further described in conjunction with specific embodiments.
Description of drawings
Fig. 1 is the three-dimensional exploded view of a kind of fastening structure for radiator and related elements in the prior art.
Fig. 2 is the three-dimensional exploded view of an embodiment of fastening structure for radiator of the present invention and related elements.
Fig. 3 is the stereogram of the operating bar of fastening structure for radiator among Fig. 2.
Fig. 4 is the view that operating bar did not rotate before fastening structure for radiator of the present invention and related elements fastened.
Fig. 5 is that operating bar revolved the view that turn 90 degrees before fastening structure for radiator of the present invention and related elements fastened.
Fig. 6 is the view after fastening structure for radiator of the present invention and related elements fasten.
Embodiment
See also Fig. 2 and Fig. 3, an embodiment of fastening structure for radiator of the present invention comprise a radiator 200, a circuit board 300, be installed on this circuit board 300 wafer 400 and with fixedly be sticked two fasteners 100 on the wafer 400 of radiator 200.
Above-mentioned each fastener 100 comprises an operating bar 110 and is installed in a flexible member on this operating bar 110 that this flexible member is a spring 120.This operating bar 110 is made into integration by plastic material or other materials, and it comprises that a lever piece 112, fastens section 116 and the linkage section 114 between this lever piece 112 and this fastening section 116.This lever piece 112 is positioned at the upper end of operating bar 110, and it is inverted "T"-shaped that its vertical section roughly is.This lever piece 112 comprises the chassis 1121 of an oval dish type and from these middle part, chassis 1121 one upright handle that is flat square 1122 that makes progress.This linkage section 114 adjoins with this lever piece 112, it comprises that one continues the column stock 1148 that downwards extend from muscle portion 1145 that the middle part one on the chassis 1121 of this lever piece 112 is extended and from this muscle portion 1145 downwards, and this muscle portion 1145 comprises the inverted cone shape convergence part 1146 of a columnar protrusions 1144 and between this projection 1144 and column stock 1148.The diameter of this columnar protrusions 1144 less than the internal diameter of spring 120 so that spring 120 is sheathed on it.The external diameter of this spring 120 is less than the long axis length on chassis 1121.This fastening section 116 is positioned at the lower end of operating bar 110, it comprises a pair of roughly rectangular clamping part 1164 and a pair of roughly rectangular location division 1162, this clamping part 1164 and this location division 1162 respectively from the relative both sides of column stock 1148 vertical stretch out form.This clamping part 1164 and this location division 1162 stock 1148 circumferentially on alternately distribute, and the projection on the plane axial perpendicular to this stock 1148 is common forms " ten " font structure.The length of this clamping part 1164, width and thickness all are different from this location division 1162.In the present embodiment, all greater than the length and the width of this location division 1162, in other embodiments, the width of this clamping part 1164 can be less than the width of this location division 1162 for the length of this clamping part 1164 and width.The thickness of this location division 1162 greater than the thickness of this clamping part 1164 along axial convex this clamping part 1164 that stretches out of stock 1148.The end of this fastening section 116 is micro-cutting and form guide end less than this fastenings section 116 other positions slightly, so that this fastener 100 penetrates radiator 200 and circuit board 300.
Above-mentioned flexible member 120 is set on the linkage section 114 of above-mentioned operating bar 110.
Above-mentioned radiator 200 has a pedestal that roughly is square 230, and some from the upwardly extending fin 232 of these pedestal 230 end face one.These pedestal 230 bottom surfaces are used for fitting with wafer 400.Be formed with the gas channel 250 that some edges laterally reach longitudinal extension between these radiating fins 232.The place, two diagonal angles of radiator 200 offers a space 240 respectively, with as fastener 100 revolution spaces.The place, two diagonal angles of radiator 200 pedestals 230 level respectively extends outward a lug 210.Each diagonal angle, lug 210 about middle part digs establishes first cross recess 220 that connects from top to bottom, the shape of this first cross recess 220 is consistent with the shape of the fastening section 116 of above-mentioned operating bar 110, its in-profile is bigger with the exterior contour of the location division 1162 common cross structures that form than clamping part 1164, penetrates to make things convenient for fastener 100.This first cross recess 220 comprises first perforation, 2202 and first groove 2204 that part is superimposed.
Above-mentioned wafer 400 is welded on the foregoing circuit plate 300, and this circuit board 300 is corresponding respectively second cross recess 310 that becomes 90 ° of rotations with first cross recess 220 approximately that offers near two diagonal angles of wafer 400, wear buckle for fastener 100, similarly, second cross recess 310 also comprises second perforation, 3102 and second groove 3104.Distance between the end of above-mentioned fastening section 116 2 clamping parts 1164 is greater than the corresponding length of this second groove 3104.
See also Fig. 4 to Fig. 6, during assembling, the fastening section 116 of operating bar 110 bottoms of each fastener 100 penetrates first cross recess 220 on each lug 210 of radiator 200 and second cross recess 310 on the circuit board 300 successively.Push downwards and 90 ° of rotary buckles 100, make location division 1162 on the operating bar 110 pass second groove 3104 of first groove 2204 of radiator 200 first cross recesses 220 and circuit board 300 second cross recesses 310 and surpass the back side of circuit board 300, at this moment, fastener 100, radiator 200 and circuit board 300 are in state shown in Figure 4.Be further rotated handle 1122 about 90 °, make second perforation 3102 of the location division 1162 alignment circuit plates 300 of operating bar 110, at this moment, fastener 100, radiator 200 and circuit board 300 are in state shown in Figure 5.Fastener 100 is pulled upwardly under the elastic acting force of spring 120, at this moment, fastener 100, radiator 200 and circuit board 300 are in state shown in Figure 6, these location division 1162 parts are housed in this second perforation 3102 and partly exceed circuit board 300 and are used for preventing that operating bar 110 rotations from coming off, simultaneously, spring 120 compressions produce elastic restoring force, make clamping part 1164 correspondences of operating bar 110 be positioned at the below of circuit board 300 second grooves 3104 and block in circuit board 300 back sides, thereby pedestal 230 bottom surfaces and the wafer 400 of radiator 200 fit tightly.
During dismounting, push above-mentioned fastener 100, the location division 1162 that makes this fastener 100 fasten section 116 protrudes out second perforation 3102 of foregoing circuit plate 300 second cross recesses 310 downwards, 90 ° of these fasteners 100 of rotation, make second groove 3104 that 1162 pairs of this location divisions should second cross recess 310,1164 pairs of this clamping parts should second cross recess 310 second perforation 3102, thereby upwards lift and 90 ° of rotary buckles 100 make this fastener 100 withdraw from this circuit board 300 and radiator 200.
Compared with prior art, only need in the foregoing description to push simply or lift and the operating bar 110 of rotary buckle 100 can be realized the assembling and the dismounting of radiator 200 and wafer 400, circuit board 300, simple, convenient, this fastener 100 can reuse.In addition, this fastener 100 fastens the thickness of the thickness of section 116 location divisions 1162 greater than its buckling parts 1164, and make at buckling parts 1164 blocks during in circuit board 300 back sides, location division 1162 parts enter second perforation 3102 of circuit board 300 second cross recesses 310, thereby make this fastener 100 with respect to circuit board 300 location, and then avoided under factor affecting such as vibration, this fastener 100 comes off from this circuit board 300 with respect to circuit board 300 rotations.
Claims (12)
1. fastening structure for radiator, be used for a radiator is fixed to a circuit board, it comprises that an operating bar and is nested with the flexible member on this operating bar, this operating bar comprises that a lever piece, fastens the linkage section of section and between this lever piece and this fastening section, it is characterized in that: but the described section that fastens comprises that block reaches the location division that all is different from this clamping part on length and thickness in the clamping part of described back of circuit board, and this clamping part and this location division alternately stretch out from the end of above-mentioned linkage section.
2. fastening structure for radiator as claimed in claim 1 is characterized in that: the length more described location division of described clamping part on the direction axial perpendicular to described linkage section big.
3. fastening structure for radiator as claimed in claim 2 is characterized in that: described clamping part little along the thickness more described location division of described linkage section on axially.
4. fastening structure for radiator as claimed in claim 3 is characterized in that: the described end that fastens section forms a guide end of reducing.
5. as each described fastening structure for radiator in the claim 1 to 4, it is characterized in that: described fastening section is being cross perpendicular to the projection on the plane of described linkage section, and it comprises two relative clamping parts and two location divisions vertical with this two clamping part.
6. fastening structure for radiator as claimed in claim 5, it is characterized in that: described radiator is provided with first cross recess that passes for this actuator, this first cross recessed shape is consistent with the shape of described fastening section, described circuit board is to being provided with second cross recess that passes for this actuator by radiator, and this second cross recessed shape is consistent with the shape of described fastening section.
7. fastening structure for radiator as claimed in claim 6 is characterized in that: described first cross recess and second cross recess are 90 ° of rotations.
8. fastening structure for radiator as claimed in claim 6, it is characterized in that: described second cross recess comprises second perforation of passing through for described clamping part and second groove that passes through for described location division, but described clamping part block is in the below of this second groove, and described location division can be contained in this second perforation.
9. fastening structure for radiator as claimed in claim 5 is characterized in that: described flexible member is a spring around described linkage section.
10. fastening structure for radiator as claimed in claim 9 is characterized in that: described lever piece is positioned at an end of operating bar, comprises one with the chassis of keeping out described spring and from this chassis one upright flat handle that makes progress.
11. fastening structure for radiator as claimed in claim 10 is characterized in that: described linkage section comprises one from muscle portion that the chassis one of this lever piece is extended and the column stock that continues extension from this muscle portion.
12. fastening structure for radiator as claimed in claim 11 is characterized in that: described muscle portion comprises the inverted cone shape convergence part of a columnar protrusions and between this columnar protrusions and column stock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100660326A CN101500397B (en) | 2008-02-01 | 2008-02-01 | Fastening structure for radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100660326A CN101500397B (en) | 2008-02-01 | 2008-02-01 | Fastening structure for radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101500397A true CN101500397A (en) | 2009-08-05 |
| CN101500397B CN101500397B (en) | 2012-07-25 |
Family
ID=40947198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100660326A Expired - Fee Related CN101500397B (en) | 2008-02-01 | 2008-02-01 | Fastening structure for radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101500397B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056458A (en) * | 2009-10-30 | 2011-05-11 | 鸿富锦精密工业（深圳）有限公司 | Buckle, radiation device using buckle, and electronic device |
| CN102088836A (en) * | 2009-12-02 | 2011-06-08 | 富准精密工业(深圳)有限公司 | Heat dissipation device |
| CN102223779A (en) * | 2010-04-16 | 2011-10-19 | 富瑞精密组件（昆山）有限公司 | Fixed structure |
| CN102238838A (en) * | 2010-05-07 | 2011-11-09 | 富瑞精密组件（昆山）有限公司 | Fixing structure |
| CN102832184A (en) * | 2011-06-15 | 2012-12-19 | 富准精密工业(深圳)有限公司 | Heat dissipation device and fastening structure thereof |
| CN102983110A (en) * | 2011-09-07 | 2013-03-20 | 富瑞精密组件（昆山）有限公司 | Heat dissipation device |
| CN107243994A (en) * | 2017-06-26 | 2017-10-13 | 河南省登封市光大耐火材料有限公司 | A kind of castable refractory device |
| CN109446138A (en) * | 2018-09-04 | 2019-03-08 | 深圳市宝德计算机系统有限公司 | A kind of OCP adapter and its fixed frame |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2631039Y (en) * | 2002-09-11 | 2004-08-04 | 鸿富锦精密工业（深圳）有限公司 | Radiator fastening device |
| US6563716B1 (en) * | 2002-09-11 | 2003-05-13 | Hon Hai Precision Ind. Co., Ltd. | Heat sink clip with pressing cam |
| CN2596550Y (en) * | 2002-12-18 | 2003-12-31 | 鸿富锦精密工业（深圳）有限公司 | Radiator combination |
| CN2627562Y (en) * | 2003-05-14 | 2004-07-21 | 奇鋐科技股份有限公司 | Fastener of heat sink |
| CN100592855C (en) * | 2006-05-12 | 2010-02-24 | 富准精密工业(深圳)有限公司 | Radiator fixing device |
-
2008
- 2008-02-01 CN CN2008100660326A patent/CN101500397B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056458A (en) * | 2009-10-30 | 2011-05-11 | 鸿富锦精密工业（深圳）有限公司 | Buckle, radiation device using buckle, and electronic device |
| CN102088836A (en) * | 2009-12-02 | 2011-06-08 | 富准精密工业(深圳)有限公司 | Heat dissipation device |
| CN102223779A (en) * | 2010-04-16 | 2011-10-19 | 富瑞精密组件（昆山）有限公司 | Fixed structure |
| CN102238838A (en) * | 2010-05-07 | 2011-11-09 | 富瑞精密组件（昆山）有限公司 | Fixing structure |
| CN102238838B (en) * | 2010-05-07 | 2015-05-06 | 富瑞精密组件（昆山）有限公司 | Fixing structure |
| CN102832184A (en) * | 2011-06-15 | 2012-12-19 | 富准精密工业(深圳)有限公司 | Heat dissipation device and fastening structure thereof |
| CN102983110A (en) * | 2011-09-07 | 2013-03-20 | 富瑞精密组件（昆山）有限公司 | Heat dissipation device |
| CN102983110B (en) * | 2011-09-07 | 2015-11-18 | 富瑞精密组件（昆山）有限公司 | Heat abstractor |
| CN107243994A (en) * | 2017-06-26 | 2017-10-13 | 河南省登封市光大耐火材料有限公司 | A kind of castable refractory device |
| CN109446138A (en) * | 2018-09-04 | 2019-03-08 | 深圳市宝德计算机系统有限公司 | A kind of OCP adapter and its fixed frame |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101500397B (en) | 2012-07-25 |
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Granted publication date: 20120725 Termination date: 20140201 |