CN2800490Y - Fastening device for radiator - Google Patents
Fastening device for radiator Download PDFInfo
- Publication number
- CN2800490Y CN2800490Y CN 200520059317 CN200520059317U CN2800490Y CN 2800490 Y CN2800490 Y CN 2800490Y CN 200520059317 CN200520059317 CN 200520059317 CN 200520059317 U CN200520059317 U CN 200520059317U CN 2800490 Y CN2800490 Y CN 2800490Y
- Authority
- CN
- China
- Prior art keywords
- radiator
- rod member
- buckling device
- sleeve
- cylinder
- 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
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Abstract
The utility model relates to a buckling device of a radiator, which is used for fixing the radiator on a circuit board to carry out heat radiation for electronic components arranged on the circuit board. The circuit board extends upwards to form a plurality of cylinder bodies. The buckling device comprises a plurality of rod pieces sheathed with elastic components, wherein the rod pieces can pass through the radiator; the rod pieces are provided with screw threads matched with screw threads arranged on the cylinder bodies; the rod pieces are sheathed with sleeve cylinders abutted with the elastic components and can enable elastic force of the elastic components not to be transmitted to the radiator when the rod pieces are screwed with the cylinder bodies preliminarily. When the buckling device is used, pretightening force of the elastic components does not need to be overcome when the rod pieces are screwed with the cylinder bodies preliminarily, and the phenomena of shaking, etc. are not easy to appear. The utility model has the advantage of simple operation.
Description
[technical field]
The utility model relates to a kind of buckling device, particularly relates to a kind of buckling device that is used for fixing radiator.
[background technology]
Along with the fast development of computer industry, especially the serviceability of electronic component such as central processing unit improves constantly, and its caloric value is also increasing, and heat radiation becomes the problem that must will solve when using as electronic components such as processors.At present, radiator is installed on the general electronic component of industry is dispelled the heat, need a buckling device when wherein radiator being installed, radiator is fixed on the electronic component.
At present, the buckling device of radiator structure is different, and new-type design constantly occurs, and is commonly used just like buckle piece type buckling device, rod member fluking type buckling device and screw togather formula buckling device or the like.The elastic force flexible fastening heat abstractor that the buckle piece type buckling device is produced when being generally the distortion that utilizes the sheet cramp; Rod member fluking type buckling device generally comprises backboard or the radiator base back side extends to form the rod member that its end has barb, the outer peripheral edges card of the hole of this barb and radiator or card is heat abstractor only and fixedly, and its elastic force produces for the distortion by spring or card; Screw togather that the formula buckling device is screwed by bolt and screw and combine and the flexible fastening heat abstractor with flexible member (spring or shell fragment).Above-mentioned each buckling device be subjected to the push-and-pull of big strength or application time when longer its fastening power weaken, the mode that this moment, buckle piece type buckling device and rod member fluking type buckling device can only be replaced element is optimized its fastening power, and the formula buckling device of screwing togather can directly strengthen fastening power by the mode that further is screwed into.
In U.S.'s bulletin patent 5,901, a kind of formula buckling device that screws togather is disclosed in No. 039, it has an externally threaded rod member, from top to bottom pass radiator, its see through behind the radiator lower surface with the radiator lower surface near the position on engage a snap ring, make rod member and spring be assembled on the radiator in advance, spring was compressed and produced certain pretightning force this moment, and this buckling device also has and upwards sees through the quilt that circuit board is provided with internal thread and screw togather mechanism.Quilt below the rod member that will above-mentionedly be arranged with spring when radiator is installed is aimed at screws togather mechanism, then rod member is exerted pressure downwards and screws simultaneously.Wherein, the operator is because after having rod member externally threaded end alignment and screwed togather mechanism, need do two actions simultaneously, the one, rod member is exerted pressure with the elastic force, the 2nd that overcomes spring always, rod member is screwed action, just can make rod member and be screwed togather mechanism and be screwed, so rod member and to be screwed togather the end location of mechanism difficult unstable is easy to generate and rocks, operation is inconvenient.
[summary of the invention]
By the following examples the utility model is illustrated.
The buckling device of radiator of the utility model embodiment, in order to radiator is fixed on the circuit board and electronic element radiating to being installed on it, several cylinders have been extended upward on this circuit board, this buckling device comprises the rod member that several are arranged with flexible member and can pass radiator, this rod member and cylinder are provided with the screw thread that matches, and are arranged with the sleeve that the elastic force of replacing and make rod member and cylinder flexible member when tentatively screwing togather with flexible member avoids reaching radiator on this rod member.
This execution mode compared with prior art has following advantage: because buckling device comprises that one is sheathed on the sleeve that the elastic force of replacing and make rod member and cylinder flexible member when tentatively screwing togather on the rod member with flexible member avoids reaching radiator, thereby rod member and cylinder need not to overcome the pretightning force of flexible member when tentatively screwing togather, the location is convenient, difficult phenomenon such as rock, thing such as the screw thread of not only effectively avoiding being damaged and make that the fitting operation of radiator is easy.
With reference to the accompanying drawings, the utility model will be further described in conjunction with the embodiments.
[description of drawings]
Fig. 1 is the three-dimensional exploded view of associated components such as the utility model buckling device of radiator and radiator.
Fig. 2 is the end view of the preparation installment state of each assembly among Fig. 1.
Fig. 3 is the end view in the installation of each assembly among Fig. 1.
Fig. 4 is the end view after the installation of each assembly among Fig. 1.
[embodiment]
See also Fig. 1 to Fig. 4, the buckling device of radiator 10 of the utility model embodiment is in order to radiator 20 is fixed on the circuit board 30, radiator 20 is closely contacted with central processing unit 32 electronic components such as grade.
This radiator 20 comprises the heat pipe 26 that reclines with the pedestal 22 that absorbs heat with electronic component, is located at some radiating fins that are arranged in parallel 24 of dispelling the heat on this pedestal 22 and this pedestal 22 is connected with radiating fin 24 position heat conductivities away from pedestal 22, these pedestal 22 4 angles extend fixing feet 222 outward, and this fixing feet 222 is provided with the fixing hole 224 that buckling device 10 can be installed.
This buckling device of radiator 10 comprises the backboard 12, the rod member 16 that is passed down through pedestal 22 that are positioned at circuit board 30 back sides, be sheathed on spring 15 on the rod member 16, be sheathed on the sleeve 18 on the rod member 16 and be located at rod member 16 ends and prevent that sleeve 18 and rod member 16 break away from the snap rings 17 of usefulness mutually.
This backboard 12 has rectangular body, these main body four angles are outer to be extended and is provided with and the corresponding ear 122 of pedestal 22 fixing feet 222, also be provided with perforation 124 in this ear 122, upwards wear in this perforation 124 to extend and be provided with cylinder 14, these cylinder 14 outer surfaces are provided with external screw thread 144, and its lower end is provided with card and ends chimb and be limited to perforation 124 peripheries.
Above-mentioned rod member 16 tops circumferentially outwards protrude out and are provided with than enlarged head 162, be provided with the cross recess that cooperates for operation tool above the head 162, these rod member 16 lower end part certain depths be provided with the internal thread that can cooperate with above-mentioned cylinder 14 external screw threads 144, this rod member 16 lower end parts (lower position of sleeve) periphery is circumferentially with a less ring-shaped step portion 164.The slightly larger in diameter of above-mentioned spring 15 is in the body of rod diameter of rod member 16 diameter less than rod member 16 heads 162, and this spring 15 is sheathed on the body of rod near head 162 of rod member 16.
Above-mentioned sleeve 18 has long cylindrical shell, this cylindrical shell is provided with the tube hole 182 of up/down perforation along its central axis, these hole 182 diameters are greater than head 162 external diameters of rod member 16 body of rod external diameters less than rod member 16, this cylinder top circumferentially outwards protrudes out and is provided with bulge loop 180, these sleeve 18 cylindrical shell external diameters are slightly less than fixing hole 224 diameters of radiator 20 pedestals 22, its bulge loop 180 internal diameters are greater than these fixing hole 224 diameters, thereby the cylindrical shell of these sleeve 18 bulge loops below 180 can pass fixing hole 224 and can move up and down.This moment, spring 15 was located between the bulge loop 180 of the head 162 of rod member 16 and sleeve 18 just.
Above-mentioned snap ring 17 is " C " font, its inner rim is extended several lesser calorie pieces 170 to the center, the circular diameter that these lesser calorie piece 170 ends are formed is slightly less than the external diameter of rod member 16 bodies of rod, thereby snap ring 17 is sheathed on stage portion 168 top positions of rod member 16 lower ends and blocks the fastening position, make sleeve 18 positioning and fixing on rod member 16, and this snap ring 17 is positioned at pedestal 22 fixing feet 222 belows, and rod member 16 and sleeve 18 are positioned on pedestal 22 fixing feet 222.Be appreciated that ground, the function of this snap ring 17 can be extended structures such as resilient barb is set and be replaced by sleeve 18 lower positions of rod member 16.
When radiator 20 is installed, at first rod member 16, spring 15, sleeve 18 and snap ring 17 are pre-assembled on the fixing feet 222 of radiator 20, wherein earlier sleeve 18 is located on the fixing hole 224 of this fixing feet 222, to pass this sleeve 18 behind the rod member 16 sheathed springs 15 again, when rod member 16 ends see through fixing feet 222 belows snap ring 17 is arranged in its stage portion 168 top positions, this moment, spring 15 was compressed to a certain degree, produce certain pretightning force, and sleeve 18 is because the elastic thrust of spring 15 and snap ring 17 press closer leans on.Because most of cylindrical shell of sleeve 18 can move up and down in the fixing hole 224 of fixing feet 222, so the assembly of rod member 16, sleeve 18, spring 15 and snap ring 17 can integrally not be subjected to the constraint of spring 15 pretightning forces and moves up and down in sleeve 18 cylindrical shell length ranges.Cylinder 14 on the above-mentioned backboard 12 is upward through circuit board 30 (these circuit board 30 corresponding cylinders 14 are provided with through hole 34), and this backboard 12 is near on circuit board 30 back sides.
As shown in Figure 2, next step is that radiator 20 alignment processors 32 that will be assembled with the assembly of rod member 16, sleeve 18, spring 15 and snap ring 17 in advance are positioned on the circuit board 30, each rod member 16 and cylinder 14 are aligned, this moment is because cylinder 14 leans the port of rod member 16, make above-mentioned pre-assembled assembly be moved upward to snap ring 17 below fixing feet 222 near till.
As shown in Figure 3, next step is that rod member 16 is turned again, this operation need not to overcome the elastic force of spring 15, and being screwed into along with rod member 16, the combinations thereof body moves down in the cylindrical shell length range of sleeve 18, till the bulge loop 180 that moves to sleeve 18 is replaced with fixing feet 222 upper surfaces, by aforesaid operations can by less strength easily (need not to overcome the pretightning force of spring) rod member 16 and cylinder 14 are screwed togather a part, locate very convenient, difficult phenomenon such as rock, operation is than being easier to the things such as screw thread of can effectively avoiding being damaged.
As shown in Figure 4, final step is that rod member 16 further is screwed into and since in the step shown in Figure 3 rod member 16 and cylinder 14 location finish and screw togather to a certain degree, phenomenon such as needn't worry to rock, merely be screwed into action and get final product.Rod member 16 and snap ring 17 relative fixed pin 222 and sleeve 18 in this final step (this moment, sleeve 18 can't move down again) move down, and spring 15 further is compressed gradually, produces bigger bed knife, reaches the fixedly purpose of radiator 20 at last.
From as seen above-mentioned, need not to overcome the pretightning force of spring when the rod member 16 of the buckling device of radiator of present embodiment and the location of cylinder 14 and be screwed into, locate very convenient, difficult phenomenon such as rock, thing such as the screw thread of not only effectively avoiding being damaged and make that the fitting operation of radiator is very convenient.Above-mentioned buckling device also can be provided with the remaining screw thread that can screw togather mutually, when its fastening power of prolongation of using the time along with buckling device slackens, utilizes this residual thread further to screw togather and reaches the purpose of replenishing bed knife.
Understand easily ground, the buckling device of the utility model embodiment can also comprise other buckling device of the different structure that technological thought is identical, as its spring can by elastic strip body replace or above-mentioned rod member double replacement is also passable mutually with column structure.
Claims (8)
1. buckling device of radiator, in order to radiator is fixed on the circuit board and electronic element radiating to being installed on it, several cylinders have been extended upward on this circuit board, this buckling device comprises the rod member that several are arranged with flexible member and can pass radiator, this rod member and cylinder are provided with the screw thread that matches, and it is characterized in that: be arranged with the sleeve that the elastic force of replacing and make rod member and cylinder flexible member when tentatively screwing togather with flexible member avoids reaching radiator on this rod member.
2. buckling device of radiator as claimed in claim 1, it is characterized in that: described sleeve has cylindrical shell and cylindrical shell one port circumferentially outwards protrudes out and the bulge loop replaced with flexible member, when rod member and cylinder tentatively screwed togather, this cylindrical shell can move up and down in the fixing hole of radiator with rod member and flexible member.
3. buckling device of radiator as claimed in claim 1 or 2 is characterized in that: described sleeve is provided with ring-shaped step portion, and a card only element cooperates with this stage portion and avoids sleeve to break away from rod member.
4. buckling device of radiator as claimed in claim 3 is characterized in that: it is snap ring that described card ends element, and it is " C " font.
5. buckling device of radiator as claimed in claim 1 is characterized in that: described rod member one end is provided with the head that outwards protrudes out, and its other end is provided with internal thread, and corresponding above-mentioned cylinder one end is provided with the external screw thread with this screw-internal thread fit.
6. buckling device of radiator as claimed in claim 1 is characterized in that: described rod member one end is provided with the head that outwards protrudes out, and its other end is provided with external screw thread, and corresponding above-mentioned cylinder one end is provided with the internal thread that cooperates with this external screw thread.
7. buckling device of radiator as claimed in claim 1 or 2 is characterized in that: described flexible member is a spring.
8. buckling device of radiator as claimed in claim 1 or 2 is characterized in that: described flexible member is a shell fragment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520059317 CN2800490Y (en) | 2005-05-29 | 2005-05-29 | Fastening device for radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520059317 CN2800490Y (en) | 2005-05-29 | 2005-05-29 | Fastening device for radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2800490Y true CN2800490Y (en) | 2006-07-26 |
Family
ID=36842983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520059317 Expired - Fee Related CN2800490Y (en) | 2005-05-29 | 2005-05-29 | Fastening device for radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2800490Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100574582C (en) * | 2006-08-11 | 2009-12-23 | 鸿富锦精密工业（深圳）有限公司 | Heat abstractor combination and employed fastener thereof |
| CN101608656B (en) * | 2008-02-19 | 2013-04-24 | 达霆精密工业有限公司 | Screw structure with baffle ring |
| CN101765348B (en) * | 2008-12-25 | 2014-03-26 | 富准精密工业(深圳)有限公司 | Fastening device assembly |
-
2005
- 2005-05-29 CN CN 200520059317 patent/CN2800490Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100574582C (en) * | 2006-08-11 | 2009-12-23 | 鸿富锦精密工业（深圳）有限公司 | Heat abstractor combination and employed fastener thereof |
| CN101608656B (en) * | 2008-02-19 | 2013-04-24 | 达霆精密工业有限公司 | Screw structure with baffle ring |
| CN101765348B (en) * | 2008-12-25 | 2014-03-26 | 富准精密工业(深圳)有限公司 | Fastening device assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060726 Termination date: 20140529 |