CN2852390Y - Fixing mechanism for heat sink - Google Patents
Fixing mechanism for heat sink Download PDFInfo
- Publication number
- CN2852390Y CN2852390Y CN 200520118640 CN200520118640U CN2852390Y CN 2852390 Y CN2852390 Y CN 2852390Y CN 200520118640 CN200520118640 CN 200520118640 CN 200520118640 U CN200520118640 U CN 200520118640U CN 2852390 Y CN2852390 Y CN 2852390Y
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- CN
- China
- Prior art keywords
- heat sink
- fixed mechanism
- perforation
- anchor post
- fixing
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- 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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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to a fixing mechanism for a heat sink, which comprises at least two fixing supports fixedly arranged on a bearing component, and fixing elastic flakes, wherein the fixing supports are provided with neck shrinking parts. Each fixing elastic flake is slightly bent and provided with a pressing part, and both sides of the pressing part are respectively provided with fixing through holes corresponding to the number of the fixing supports. The first part of each of the two fixing through holes is arranged on the same side of the fixing elastic flake, and the interval between the first parts is identical to the interval between the fixing supports under the state that the two fixing through holes are arranged on the same plane. The utility model can fix a heat sink on the bearing component only by the downward pressing elastic force generated during the combination of the fixing supports, the fixing elastic flakes and the fixing pieces. The utility model has the advantage of convenient installation and disassembly of the heat sink. Furthermore, the utility model does not have an element which is easy to deform, the deformation caused by the pressing force does not exist, and thus, the heat sink can be firmly installed on the bearing component.
Description
Technical field
The utility model is about a kind of fixture, particularly about a kind of fixture that is applied in heat sink.
Background technology
Along with the continuous progress of integrated circuit (IC) design and manufacturing technology, the integrated level of integrated circuit also improves constantly thereupon.With the CPU is example, because the raising of integrated level, how loss becomes problem demanding prompt solution to the high temperature that produces during operation.Generally speaking,, most likely heat sink is installed on the integrated circuit for reaching the heat radiation purpose, keeping the normal operation of integrated circuit, by heat sink with the heat loss.For making being installed on the integrated circuit that heat sink can be firm, need to use fixture to be fixed usually.
See also Fig. 1, the fixed mechanism that existing heat sink is used comprises two anchor posts 10, press block 12, shell fragment 14 and coating member 16.As shown in the figure, this anchor post 10 is to be fixed in the electronic installation for connecing on the bearing part of putting on it 104 as CPU and having necking part 102; This press block 12 is formed with L type recess 122 and 124 on first surface 12a, this recess 122 and 124 has opening 122a and the 124a that is opened in second surface 12b respectively, the width of this opening 122a and 124a is slightly larger than the width of this anchor post 10, and this opening 122a equates with the spacing of this anchor post 10 with the spacing of 124a, this press block 12 also is formed with on this first surface 12a and supports prominent point 126 in addition, the prominent point 126 of this supports be formed on apart from this length of side X central point after this anchor post 10 of these recess 122 translations embeds these recesses 122 vertically this length of side Z slip be compressed to the position of these press block 12 distances; This shell fragment 14 is circular shapes and is formed with buckling parts 142a and 142b in both sides respectively, and the spacing of these two buckling parts 142a and 142b is slightly less than the length X between the 3rd surperficial 12c to the four surperficial 12d of this press block 12; This coating member 16 is ㄈ shapes and has first bottom 162 and second bottom 164, this first bottom 162 equals with the spacing Y of second bottom 164 or the width that is slightly larger than the prominent point 126 of this support adds that this anchor post 10 embeds behind these recesses 122 distance that can vertical this length of side Z slip be compressed to this press block 12, and this first bottom 162 and second bottom 164 are formed with holding section 162a and 164a respectively, the width of this holding section 162a and 164a equals or is slightly larger than the width of this necking part 102 but less than the width of this anchor post 10, the length of this holding section 162a and 164a then equals the recess 122 of this press block 12 and 124 length Z.This heat sink 18 is formed with and supports prominent point 184 being formed with heat radiating fin 182 lip-deep sides, the prominent point of this support 184 both sides then are formed with the portion 186 of contracting in L shaped respectively, the spacing of portion 186 of contracting in these two equals the spacing of this anchor post 10, for these heat sink 18 pushing and pressing to this anchor post 10.
When heat sink 18 is fixed on this bearing part 104, the 3rd surperficial 12c to the four surperficial 12d that the buckling parts 142a and the 142b of this shell fragment 14 fastened to this press block 12 respectively, then this coating member 16 is coated with the form that the opening of 164a is aimed at this press block 12 opening 122a and 124a respectively with this holding section 162a, afterwards this this holding section 162a is aimed at this necking part 102 with the opening of 164a and be embedded into the end, again this press block 12 is slided 184 pressings mutually of the prominent point of the prominent point 126 of this press block 12 and the support of this heat sink 18 at last to the direction perpendicular to this length of side Z.Owing to should support 184 pressings mutually of prominent point with this by prominent point 126, the shell fragment 14 that is fastened on this press block 12 is compressed to this coating member 16, produce the elastic force that presses down to the prominent point 184 of this support, pressing down elastic force by this can be fixed on this heat sink 18 on this bearing part 104.
In case the prominent point 126 that above-mentioned existing fixture shortcoming is this press block 12 and the prominent point 184 of the support of this heat sink 18 after the pressing, are difficult for its dismounting reduction mutually.On the other hand, because this press block 12 is plastic material normally, bear for a long time prominent 184 of this prominent point 126 and this support mutually the strength of pressing very easily produce deformation, and and then the problem that weakens of generation pressing strength, what cause finally that heat sink can't be firm is installed on this bearing part 104.
In sum, how can provide a kind of makes things convenient for installing/dismounting and can avoid becoming present urgency problem to be solved because of long-term the installation produces the fixed mechanism that the fixing heat sink of reliability reduction problem is used.
The utility model content
For overcoming the shortcoming of above-mentioned prior art, main purpose of the present utility model is to provide a kind of heat sink of being convenient to install the fixed mechanism that the heat sink of dismounting is used.
Another purpose of the present utility model is to provide a kind of can avoiding to produce the fixed mechanism that the fixing heat sink of reliability reduction problem is used because of long-term the installation.
For reaching the above and other purpose, the fixed mechanism that heat sink of the present utility model is used comprises: at least two anchor posts that are installed on this bearing part, and this anchor post is formed with necking part; And fixation spring tab, bend slightly and be formed with pressure section, and be formed with the fixedly perforation of corresponding anchor post quantity respectively in these pressure section both sides, should be fixedly the shape of perforation be slightly larger than this necking part by the first that can be inserted in this anchor post and width but constitute less than the second portion of this anchor post, these two fixedly the first of perforation be formed at this fixation spring tab homonymy, and these two fixedly under the coplanar state of perforation the spacing between this first be equal to spacing between this anchor post.
In the utility model, the fixed mechanism that this heat sink is used also comprises fixture, and it has distensible protuberance, and this fixation spring tab is inserted in fixes this fixation spring tab when also ejection is to this necking part.This anchor post can be a metal material, and this anchor post is that predetermined fixed is on bearing part.This fixation spring tab can be a metal material, and the pressure section of this fixation spring tab forms by punching press, and this fixation spring tab is formed with operating portion with respect to a side that is formed with first jointly, this fixation spring tab of user's push-and-pull.This operating portion is by being bent to form continuously, and this fixture is a nylon rivet.
In sum, the fixed mechanism that heat sink of the present utility model is used only needs the elastic force that presses down of when this anchor post combines with this fixation spring tab and this fixture generation, heat sink can be fixed on this bearing part, so have the advantage of being convenient to heat sink installing, dismounting, in addition, the fixed mechanism of using at heat sink of the present utility model, there is not easily to produce the member of deformation, be not out of shape so can not produce the strength of pressing, therefore can not cause pressing strength to weaken, heat sink can firmly be installed on this bearing part.
Description of drawings
Fig. 1 is the structural representation of existing heat sink with fixed mechanism;
Fig. 2 is the explosive view of each member of the utility model; And
Fig. 3 A to Fig. 3 C is each member assembling schematic flow sheet of the utility model.
Embodiment
Embodiment
The fixed mechanism that heat sink of the present utility model is used is applied in the general electronic installation for connecing on the bearing part of putting usefulness as CPU (CPU) or video card device, after this fixed mechanism was secured to heat sink on the semiconductor device, the heat that this semiconductor device is produced can spill in the atmosphere through this fixed mechanism.Because this bearing part is a prior art, does not give unnecessary details at this.
See also Fig. 2, it is the explosive view of each member of fixed mechanism of using of heat sink of the present utility model.As shown in the figure, in the present embodiment, the fixed mechanism that heat sink of the present utility model is used comprises at least two anchor posts 20, fixation spring tab 21 and fixture 22, heat sink 23 is fixed on this bearing part 25 connect on the semiconductor device of putting 24.
This anchor post 20 is formed with necking part 202.In the present embodiment, this anchor post 20 is that metal material and predetermined fixed are on bearing part 25.
This fixation spring tab 21 bends slightly and is formed with pressure section 212, the fin of these external these pressure section 212 both sides (212c, 212d) is formed with the fixedly perforation 214 of corresponding anchor post 20 quantity respectively, this fixedly the shape of perforation 214 be slightly larger than this necking part 202 by 214a of first that can be inserted in this anchor post 20 and width but constitute less than the second portion 214b of this anchor post 20.These two fixedly the 214a of first of perforation 214 be formed at this fixation spring tab 21 homonymies, and these two fixedly perforation 214 form the spacing that the spacing between the 214a of this first under coplanar state is equal to 20 of this anchor posts, the 214a of this first can be inserted in this anchor post 20 simultaneously.This fixation spring tab 21 is metal materials, and the pressure section 212 of this fixation spring tab 21 forms by punching press.In the present embodiment, this fixation spring tab 21 also is formed with operating portion 216 with respect to a side that is formed with the 214a of first jointly, this fixation spring tab 21 of user's push-and-pull, and this operating portion 216 is by being bent to form continuously.But, what should be specified is, be located at this pressure section 212 both sides fin (212c, size 212d) and size and inequality, and fixedly perforation 214 is located at this fin (212c, position 212d) is also asymmetric, but two fixedly the track that forms of the second portion 214b of perforation 214 can be linked to be straight line relation, in the fixed mechanism process that combination heat sink of the present utility model is used, the fixedly perforation 214 of this fixation spring tab 21 fin 212d is inserted corresponding anchor post 20 earlier, and after this operating portion 216 bestowed thrust (pushing away forward), because the second portion 214b of the fixedly perforation 214 of this fixation spring tab 21 fin 212d has inserted in the necking part 202 of this anchor post 20, so this fin 212d can not deviate from from this anchor post 20 because of the elasticity of this fixation spring tab 21, so under one-handed performance, can be successfully with this fixation spring tab 21 another fin 212c fixedly the second portion 214b of perforation 214 insert in the necking part 202 of corresponding anchor post 20.Hence one can see that, make owing to the size of 21 2 fins of this fixation spring tab (212c, 212d) is different be located at this fin (212c, 212d) last two fixedly the position of perforation 214 are asymmetric manners, and then can realize the purpose of this fixation spring tab 21 being installed with singlehanded.
This fixture 22 has distensible protuberance 222, and this fixation spring tab 21 is inserted in and this second portion 214b ejection can be fixed this fixation spring tab 21 during to this necking part 202, and it can not moved.In the present embodiment, this fixture 22 is nylon rivets of using always.
23 of this heat sinks are formed with two first perforations 232 and second perforation 234 respectively in both sides.The shape of this first perforation 232 is corresponding to this anchor post 20, and the spacing of 232 of these two first perforations equals the spacing of 20 of this anchor posts, can be inserted in this anchor post 20 simultaneously for these two first perforations 232.The shape of this second perforation 234 is then corresponding to the protuberance 222 of this fixture 22.
The fixed mechanism that above-mentioned heat sink is used is fixed on heat sink 23 when connecing on the bearing part 25 that is equipped with semiconductor device 24.At first, as shown in Figure 3A, be installed in this semiconductor device 24 on this bearing part 25 after, first perforation 232 of this heat sink 23 is inserted in this anchor post 20.Then, shown in Fig. 3 B, the 214a of first of this fixation spring tab 21 is inserted in this anchor post 20 respectively.Moreover, shown in Fig. 3 C, the pressure section 212 of this fixation spring tab 21 is compressed this heat sink 23, utilize this operating portion 216 that this fixation spring tab 21 is pressed down again, make pressure section 212 both sides of this fixation spring tab 21 form copline.Afterwards, utilize this operating portion 216 that the second portion 214b of this fixation spring tab 21 is pushed against this necking part 202 again.At last, the protuberance 222 of this fixture 22 is inserted second perforation 234 of these heat sinks 23, fix this fixation spring tab 21 less than moving arbitrarily.
Moreover the fixed mechanism that heat sink of the present utility model is used has another execution mode, if the volume of above-mentioned heat sink 23 hour, then can omit above-mentioned fixing piece 22 is installed.
The fixed mechanism that heat sink of the present utility model is used only needs the elastic force that presses down be produced when this anchor post combines with this fixation spring tab and this fixture, heat sink can be fixed on this bearing part, so have the advantage of being convenient to heat sink installing dismounting, owing to there is not easily to produce the member of deformation, so can not produce deformation because of the strength of pressing, can not cause pressing strength to weaken, the problem on this bearing part of being installed in that causes finally that heat sink can't be firm yet.
Claims (10)
1. the fixed mechanism that heat sink is used is fixed on heat sink on the bearing part of bearing semiconductor device, and the heat that this semiconductor device is produced goes out by this heat sink loss, it is characterized in that the fixed mechanism that this heat sink is used comprises:
At least two anchor posts that are installed on this bearing part, this anchor post is formed with necking part; And
Fixation spring tab, bend slightly and be formed with pressure section, and be formed with the fixedly perforation of corresponding anchor post quantity respectively in these pressure section both sides, should be fixedly the shape of perforation be slightly larger than this necking part by the first that can be inserted in this anchor post and width but constitute less than the second portion of this anchor post, these two fixedly the first of perforation be formed at this fixation spring tab homonymy, and these two fixedly under the coplanar state of perforation the spacing between this first be equal to spacing between this anchor post.
2. the fixed mechanism that heat sink as claimed in claim 1 is used is characterized in that this heat sink also comprises fixture, and this fixture has distensible protuberance, and this fixation spring tab is inserted in fixes this fixation spring tab when also ejection is to this necking part.
3. the fixed mechanism that heat sink as claimed in claim 1 or 2 is used, it is characterized in that, this heat sink is formed with two first perforations and second perforation respectively in both sides, the shape of this first perforation is corresponding to this anchor post, and the spacing between these two first perforations is equal to the spacing between this anchor post, and the shape of this second perforation is then corresponding to the protuberance of this fixture.
4. the fixed mechanism that heat sink as claimed in claim 1 or 2 is used is characterized in that this anchor post is a metal material.
5. the fixed mechanism that heat sink as claimed in claim 1 or 2 is used is characterized in that, this anchor post is that predetermined fixed is on bearing part.
6. the fixed mechanism that heat sink as claimed in claim 1 or 2 is used is characterized in that this fixation spring tab is a metal material.
7. the fixed mechanism that heat sink as claimed in claim 1 or 2 is used is characterized in that, this fixation spring tab is formed with operating portion with respect to a side that is formed with first jointly.
8. the fixed mechanism that heat sink as claimed in claim 7 is used is characterized in that this operating portion is by being bent to form continuously.
9. the fixed mechanism that heat sink as claimed in claim 2 is used is characterized in that this fixture is a nylon rivet.
10. the fixed mechanism that heat sink as claimed in claim 1 is used, it is characterized in that, the pressure section both sides of this fixation spring tab have respectively and are used to be provided with this fixedly fin of perforation, and this is to the size and the size and inequality of fin, make to be located at this fixedly perforation position on fin is provided with asymmetric manner, be convenient to singlehanded this fixation spring tab of installing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520118640 CN2852390Y (en) | 2005-09-09 | 2005-09-09 | Fixing mechanism for heat sink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520118640 CN2852390Y (en) | 2005-09-09 | 2005-09-09 | Fixing mechanism for heat sink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2852390Y true CN2852390Y (en) | 2006-12-27 |
Family
ID=37586345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520118640 Expired - Fee Related CN2852390Y (en) | 2005-09-09 | 2005-09-09 | Fixing mechanism for heat sink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2852390Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809179A (en) * | 2012-05-04 | 2012-12-05 | 米技电子电器(上海)有限公司 | Induction cooker with novel radiating structure |
-
2005
- 2005-09-09 CN CN 200520118640 patent/CN2852390Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809179A (en) * | 2012-05-04 | 2012-12-05 | 米技电子电器(上海)有限公司 | Induction cooker with novel radiating structure |
| CN102809179B (en) * | 2012-05-04 | 2014-11-05 | 米技电子电器(上海)有限公司 | Induction cooker with novel radiating structure |
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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: 20061227 Termination date: 20110909 |