CN1128395C - Fastener of heat radiator - Google Patents
Fastener of heat radiator Download PDFInfo
- Publication number
- CN1128395C CN1128395C CN 99116257 CN99116257A CN1128395C CN 1128395 C CN1128395 C CN 1128395C CN 99116257 CN99116257 CN 99116257 CN 99116257 A CN99116257 A CN 99116257A CN 1128395 C CN1128395 C CN 1128395C
- Authority
- CN
- China
- Prior art keywords
- fastener
- heat radiator
- heat
- variant part
- circuit board
- 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 present invention relates to a fastener of a heat radiation device, which is integrally formed by plastic rubber materials, and the present invention comprises a rod-shaped main body and an elastic part, wherein one end of the rod-shaped main body is formed into a buckled part which can penetrate through the heat radiation device and can be buckled with a circuit board. The elastic part is connected with the other end of the rod-shaped body and is provided with a pair of deformation parts which are mutually symmetrical and are in a C shape a little, and the end of each deformation part is downwards extended with a flange which is a little semicircular. The connection point of the pair of deformation parts is favorable for pressing operation and is a little concave.
Description
The invention relates to a kind of fastener of heat radiator, be meant a kind of integrate shaped type especially, assemble convenient and the button solid fastener of heat radiator that keeps steady.
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 operated under normal working temperature, usually need to set up a heat abstractor and in time discharge the heat that wafer produces in wafer surface, and industry fits tightly between heat abstractor and the wafer to reach better heat radiating effect in order to make, and has adopted various fastener of heat radiator.Shown at present common the 5th, 730, No. 210 patents of the fastener structures such as the U.S., please refer to Fig. 1, it is to extend a lug 202 towards external symmetry respectively at the place, two diagonal angles of heat abstractor 200, on each lug 202 and offer the perforation 204 of passing for pinning 300.During use, elder generation's sheathed spring 400 on pinning 300, then the perforation 204 of heat abstractor 200 and the hole 502 of circuit board 500 are passed in the pinning 300 and the combination of spring 400 in regular turn, and the end that makes pinning 300 withholds circuit board 500, withhold circuit board 500 by pinning 300, and the elastic force that produced of spring 400 distortion, be about to heat abstractor 200 and fit tightly together with wafer 600 end faces.Because aforementioned structure is to utilize extra sheathed spring to provide required the button to hold elastic force, not only number of elements is many, the cost height, and assembling process is also comparatively loaded down with trivial details.Therefore, how providing a kind of assembles convenient and the button solid fastener of heat radiator that keeps steady is that the utmost point is necessary.
The object of the present invention is to provide a kind of fastener of heat radiator of integrate shaped type, to reduce number of elements and to reduce production costs.
Another object of the present invention is to provide a kind of assembling convenient, and detain the solid fastener of heat radiator that keeps steady.
Technical scheme of the present invention is: this fastener of heat radiator is one-body molded by plastic material, comprises a shape body and an elastic.One end of this shape body is formed with a buckling parts, is used for passing heat abstractor and is interlocked with circuit board.This elastic is to link to each other with the other end of shape body, has a pair of being mutually symmetrical and slightly is the variant part of " C " font, and the end of each variant part extends the flange of semicircular in shape slightly downwards.This is to the junction of variant part pressing operation and slightly be the micro-pits shape for the benefit of.
By technique scheme, it is solid that the present invention assembles convenient and button keeps steady, and and can reduce existing fastener element quantity and reduce production costs.
Fig. 1 is the isometric exploded view of existing fastener of heat radiator.
Fig. 2 is the isometric exploded view of fastener of heat radiator of the present invention and heat abstractor, wafer and circuit board.
Fig. 3 is the stereographic map of another angle of the present invention.
Seeing also Fig. 2, is the three-dimensional exploded view of fastener of heat radiator 40 of the present invention and heat abstractor 30, wafer 20 and circuit board 10.This wafer 20 is to be welded on the circuit board 10, and this circuit board 10 offers a hole 12 respectively near two diagonal angles of wafer 20, wears buckle (detailed ginseng aftermentioned) for fastener of heat radiator 40.This heat abstractor 30 has a pedestal that slightly is square 32, and a plurality of from the upwardly extending fin 34 of pedestal 32 one, and these pedestal 32 bottom surfaces are to fit with wafer 20 end faces.Corresponding with hole 12 positions on the circuit board 10, this pedestal 32 is at the lateral margin at place, two diagonal angles, oppositely extend a lug 36 outwardly respectively, on each lug 36 and offer oblong perforation 38, this perforation 38 is corresponding with hole 12 positions on the circuit board 10, for fastener of heat radiator 40 corresponding installings of the present invention.
See also Fig. 3, fastener of heat radiator 40 of the present invention is one-body molded by plastic material, comprises a shape body 41 and an elastic 44.One end of this shape body 41 is formed with a buckling parts 42, is used for passing heat abstractor 30 and is interlocked with circuit board 10, and this buckling parts 42 slightly is inverted cone-shaped, and is formed with a groove 43 in central authorities, with the space as elastic deformation.This elastic 44 is to link to each other with the other end of shape body 41, has a pair of being mutually symmetrical and slightly is the variant part 45 of " C " font, and the end of each variant part 45 extends the flange 46 (with reference to figure 3) of semicircular in shape slightly downwards.The peripheral shape that this is constituted flange 46, roughly identical with perforation 38 shapes on the heat abstractor 30, promptly all be oblong, and this is to the junction of variant part 45 pressing operation and slightly be the micro-pits shape for the benefit of.During assembling, in the perforation 38 of heat abstractor 30 each lug 36, install earlier a fastener of heat radiator 40 respectively, and the flange 46 that makes fastener of heat radiator 40 enters in the oblong perforation 38 of heat abstractor 30, and the outer surface of this flange 46 will be fitted with the interior sidewall surface of perforation 38 and be contacted this moment.Then, the combination of heat abstractor 30 with fastener of heat radiator 40 placed on wafer 20 end faces, make the end face of the pedestal 32 bottom surface bonded wafers 20 of heat abstractor 30, and make the buckling parts 42 of fastener of heat radiator 40 aim at the hole 12 that enters on the circuit board 10.At last, push the junction of 40 liang of variant parts 45 of fastener of heat radiator, make inverted cone-shaped buckling parts 42 pass the hole 12 on the circuit board 10 and withhold the bottom surface of circuit board 10, promptly finish assembling, the variant part 45 that fastener 40 is put in this heat radiation this moment will produce elastic deformation provides required button to hold strength.
Because the present invention is one-body molded with thermic devices fastener 40, so number of elements is few, and cost is low, and assemble convenient.Moreover, because the flange 46 of this fastener of heat radiator 40 is to enter in the perforation 38 of heat abstractor 30, in the process of pushing fastener of heat radiator 40, can prevent not reliable the opening outward of variant part 45 and lose due function that it is very firm that therefore integrally-built button is held effect.In addition, because the peripheral shape that this is constituted flange 46 and the perforation 38 of heat abstractor 30 are to cooperatively interact all to be oblong, thereby can engage the location with specific direction each other, can avoid producing unstable situation such as influence location such as rotation when being all circle (as) or skews.
Claims (7)
1. fastener of heat radiator, be in order to heat abstractor and the wafer that is welded on the circuit board are fitted tightly together, it is characterized in that: this fastener of heat radiator comprises an integrated shape body and an elastic, this shape body one end is formed with and can passes the buckling parts that heat abstractor and circuit board are interlocked, and this elastic is to link to each other with the other end of shape body, have the variant part that can produce elastic deformation, this variant part is " C " font.
2. fastener of heat radiator as claimed in claim 1 is characterized in that: this fastener of heat radiator is that plastic material is one-body molded.
3. fastener of heat radiator as claimed in claim 1 or 2 is characterized in that: the variant part of this elastic is located at the other end of shape body with being mutually symmetrical.
4. fastener of heat radiator as claimed in claim 3 is characterized in that: the end of each variant part also extends a flange downwards.
5. fastener of heat radiator as claimed in claim 4 is characterized in that: this flange is semicircular in shape slightly, and this roughly is oblong to the peripheral shape that flange constituted.
6. fastener of heat radiator as claimed in claim 3 is characterized in that: this is to the junction of variant part pressing operation and slightly be recess for the benefit of.
7. fastener of heat radiator as claimed in claim 1 or 2 is characterized in that: this buckling parts slightly is inverted cone-shaped, and is formed with the groove as the elastic deformation space in central authorities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99116257 CN1128395C (en) | 1999-06-25 | 1999-06-25 | Fastener of heat radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99116257 CN1128395C (en) | 1999-06-25 | 1999-06-25 | Fastener of heat radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1279416A CN1279416A (en) | 2001-01-10 |
| CN1128395C true CN1128395C (en) | 2003-11-19 |
Family
ID=5279092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99116257 Expired - Fee Related CN1128395C (en) | 1999-06-25 | 1999-06-25 | Fastener of heat radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1128395C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6372998B2 (en) * | 2013-12-05 | 2018-08-15 | 株式会社フジキン | Pressure flow control device |
-
1999
- 1999-06-25 CN CN 99116257 patent/CN1128395C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1279416A (en) | 2001-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| 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: 20031119 Termination date: 20100625 |