CN101351108B - Combination of radiating device - Google Patents
Combination of radiating device Download PDFInfo
- Publication number
- CN101351108B CN101351108B CN 200710076087 CN200710076087A CN101351108B CN 101351108 B CN101351108 B CN 101351108B CN 200710076087 CN200710076087 CN 200710076087 CN 200710076087 A CN200710076087 A CN 200710076087A CN 101351108 B CN101351108 B CN 101351108B
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- CN
- China
- Prior art keywords
- radiator
- cylinder
- cylindrical shell
- heat abstractor
- fastener
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a heat radiating device assembly used for radiating heat for electronic components arranged on a circuit board. The heat radiating device assembly comprises a radiator and a plurality of fastening devices. Each fastening device comprises a column penetrating the radiator and the circuit board, a screw locked on the column, a spring clamped between the screw and the radiator, and a fastener pivoted with the column. The screw presses the fastener down so the fastener rotates around the column to press the circuit board. Compared with the prior art, the fastening device of the heat radiating device assembly of the invention is provided with the spring clamped between the radiator and the screw, leading to the elastic contact of the radiator and the electronic component, so poor contact between the radiator and the electronic component is avoided; moreover, the radiator is elastically connected with the circuit board, thereby avoiding the deformation of the circuit board.
Description
Technical field
The present invention relates to a kind of heat abstractor combination, be meant a kind of heat abstractor combination especially cooling electronic component.
Background technology
When moving, can produce a large amount of heats such as computer cpu, north bridge chips, the contour electronic components of high power of video card, if these heats can not be left effectively, to directly cause temperature sharply to rise, and badly influence the normal operation of electronic devices and components.For this reason, need heat abstractor to come these electronic devices and components are dispelled the heat.
Traditional heat abstractor generally includes a radiator and some screws that uses as fastener.Electronic devices and components are installed at described circuit board middle part, and its four jiaos places offer four screws respectively.Described radiator has and the corresponding four-way of foregoing circuit plate four screws hole.Four screws pass the through hole of radiator and screw lock in the screw of circuit board, radiator and electronic devices and components are fitted, thereby radiator are fixed on the circuit board.
But, since screw this as rigid construction, cause to be rigidity between radiator and electronic devices and components and to contact.The contact of this rigidity causes radiator to electronic devices and components application of force inequality easily, makes to contact badly between radiator and electronic devices and components, and then influences the radiating efficiency of radiator.And the rigid structure of screw also can cause to be between radiator and the circuit board and be rigidly connected, and causes radiator to circuit board application of force inequality easily, makes circuit board generation deformation.
Summary of the invention
In view of this, be necessary to provide heat abstractor combination a kind of and the electronic devices and components Elastic Contact.
A kind of heat abstractor combination, be used for being installed on the cooling electronic component on the circuit board, it comprises a radiator and some buckling devices, each buckling device comprises that the cylinder that passes radiator and circuit board, a screw lock are folded in spring between screw rod spare and radiator, an and fastener that is articulated in cylinder in the screw rod spare, of cylinder, described screw rod spare compresses fastener downwards, makes described fastener pivot and compress described circuit board around cylinder.
Compared with prior art, the buckling device of heat abstractor of the present invention combination has spring clip and places between radiator and the screw rod spare, can make radiator and electronic devices and components Elastic Contact, thereby avoids contacting between radiator and electronic devices and components bad; And radiator is connected with circuit board elasticity, thereby prevents circuit board generation deformation.
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 heat abstractor combination of the present invention.
Fig. 2 is the three-dimensional assembly diagram of Fig. 1.
Fig. 3 is the stereo amplification figure of screw rod spare among Fig. 1.
Fig. 4 is the amplification decomposition figure of cylinder and fastener among Fig. 1.
Fig. 5 is the three-dimensional assembly diagram of Fig. 4.
Fig. 6 is the cutaway view of Fig. 2, and this moment, buckling device was in not buckling state.
Fig. 7 is the cutaway view of Fig. 2, and this moment, buckling device was in buckling state.
Embodiment
As illustrated in fig. 1 and 2, heat abstractor combination of the present invention is used for being installed on electronic devices and components 12 heat radiations on the circuit board 10.The combination of this heat abstractor comprises a radiator 20 that contacts with electronic devices and components 12 and some radiator 20 is fixed in buckling device 30 on the circuit board 10.Described electronic devices and components 12 are installed on circuit board 10 central region, and four-way hole 14 is opened in 10 4 jiaos of places of circuit board around these electronic devices and components 12.
Above-mentioned radiator 20 is installed on circuit board 10 tops, and it is made by thermal conductance good metal material.This radiator 20 comprises that a pedestal (figure is mark not) reaches from the extended vertically upward some fins of pedestal upper surface (figure is mark).This base bottom surface contacts with electronic devices and components 12, to absorb the heat that it is produced.Four jiaos of described pedestals locate respectively that level outwards protrudes out four buckle ears 22, wherein the middle part of each buckle ear 22 all offer one corresponding with circuit board 10 through holes 14 and etc. big perforation 24, pass for buckling device 30.The inner edge of each perforation 24 is all offered two relative breach (figure is mark not), is used for matching with buckling device 30 corresponding constructions.
Each buckling device 30 comprises that the cylinder 36 that passes radiator 20 and circuit board 10, a screw lock are in the screw rod spare 32 on cylinder 36 tops, a spring 34 around cylinder 36, an and fastener 38 that is articulated in cylinder 36 bottoms.See also Fig. 3, described screw rod spare 32 comprises that a nut 320, is arranged at connecting portion 326, an and pressure section 328 that protrudes out from connecting portion 326 that spiro union portions 324, that the neck 322 of nut 32 belows, extends from neck 322 are formed at spiro union portion 324 belows downwards downwards, wherein said nut 320, neck 322, spiro union portion 324, connecting portion 326, and the cross-sectional area of pressure section 328 successively decrease successively.The cross-sectional area of described screw rod spare 32 necks 322 is greater than the area of radiator 20 perforation 24, and its spiro union portion 324 cross-sectional areas are less than the area of radiator 20 perforation 24, thereby makes screw rod spare 32 unlikely from the landings in 24 of boring a hole.Nut 320 end faces of screw rod spare 32 go out a cross screw socket 3200 to lower recess, with convenient screwdriver instruments such as (figure do not show) screw rod spare 32 are operated.
Again as shown in Figure 1, each spring 34 is formed by flexible metal wire one bending, and it has a spiral helicine structure.The internal diameter of this spring 34 is greater than the external diameter of above-mentioned cylinder 36, so that spring 34 can be provided with around this cylinder 36; Again, the internal diameter of this spring 34 less than the external diameter of screw rod spare 32 nuts 320 greater than the internal diameter of radiator 20 perforation 24, thereby but spring 34 elastic clip are placed between the buckle ear 22 of the nut 320 of screw rod spare 32 and radiator 20.
See also Fig. 1 and Fig. 4, each cylinder 36 passes the perforation 24 of the through hole 14 of circuit board 10 and radiator 20 from top to bottom successively and is bolted in screw rod spare 32 belows.Described cylinder 36 comprises a columniform cylindrical shell (figure is mark not).This cylindrical shell is axially offered the circular hole 360 of a up/down perforation along it, and then forms an inwall (figure is mark not) of this cylindrical shell.The upper area of described inwall is formed with some screw threads (figure mark), its match with the spiro union portion 324 of screw rod spare 32 and with screw rod spare 32 screw locks in cylinder 36.The central region level of the outer wall of described cylindrical shell (figure is mark not) outwards protrudes out a semi-circular stop section 362, this stop section 362 is around the outer wall of described cylindrical shell, with the buckle ear 22 that presses on radiator 20, thereby prevent the perforation 24 interior landings of cylinder 36 from the through hole 14 and the radiator 20 of circuit board 10.The two ends of this stop section 362 form two shoulders 364 that are provided with relatively vertically upward, and this two shoulder 364 extends axially along cylindrical shell, and its top flushes with the cylindrical shell end face.The cross-sectional area of each shoulder 364 is slightly less than the cross-sectional area of radiator 20 buckle ears 22 breach, thereby the corresponding breach that makes these shoulders 364 pass radiator 20 buckle ears 22 prevents that cylinder 36 from rotating with respect to circuit board 10.The lower area of described cylindrical shell is offered an accepting groove 366 that communicates with cylindrical shell circular hole 360,2 second grooves 3662 that it has one first groove 3660, extend downwards from first groove, 3660 both sides, and one the 3rd groove 3664 that extends downwards from first groove, 3660 middle parts.Described first groove 3660 is semi-circular, and it is positioned at the top of cylindrical shell stop section 362 relative sides, and its two ends extend to two shoulders, 364 positions of cylindrical shell respectively.Each second groove 3662 comprises a flat segments of extending vertically downward from first groove, 3,660 one ends (figure is mark) and an oblique segmental arc (figure is mark) that is connected to this flat segments bottom.Described the 3rd groove 3664 and runs through the bottom surface of cylindrical shell between 2 second grooves 3662, to accommodate fastener 38.
Each fastener 38 is formed by cross lamellar body one bending, and it comprises a pressure section 384, a compression zone 380 that goes out from this pressure section 384 tops bending, reaches from outward extending two arms 382 in these compression zone 380 both sides.Described pressure section 384 is rectangular, and its outside area is less than the area of cylinder 36 the 3rd groove 3664, thereby makes this pressure section 384 can pass the 3rd groove 3664 and be contained in the circular hole 360 of cylinder 36.Described compression zone 380 is perpendicular to pressure section 384, and its cross-sectional area equates with the cross-sectional area of pressure section 384, and this compression zone 380 is used for pressure section 328 with screw rod spare 32 and matches and make screw rod spare 32 can act on fastener 38 (as Fig. 6).Described arm 382 is perpendicular to compression zone 380, and wherein the cross-sectional area of each arm 382 is less than the cross-sectional area of pressure section 384, and this two arm 382 is contained in second groove 3662 of cylinder 36 and makes fastener 38 be articulated in cylinder 36.
Shown in Figure 4 and 5, when prepackage fastener 38 and cylinder 36, at first fastener 38 is aimed at the accepting groove 366 of cylinder 36, fastener 38 is moved inward with respect to cylinder 36, make the compression zone 380 of fastener 38 and first groove 3660 that arm 382 levels are passed cylinder 36, its pressure section 384 passes the 3rd groove 3664 of cylinder 36, in fastener 38 is contained in the circular hole 360 of cylinder 36; Fastener 38 is moved down along the flat segments of cylinder 36 second grooves 3662, be placed in the segmental arc of cylinder 36 second grooves 3662 until two arms 382 of fastener 38; This moment, the compression zone 380 of fastener 38 was contained in the circular hole 360 of cylinder 36 fully, and its pressure section 384 bottoms convexedly stretch in the bottom surface of cylinder 36, thereby have finished the prepackage of fastener 38 and cylinder 36.
See also Fig. 1, Fig. 4, Fig. 6, and Fig. 7, when assembling this heat abstractor combination, at first radiator 20 is adhered on the electronic devices and components 12, make the four-way hole 14 on the perforation 24 alignment circuit plates 10 of its four buckle ear 22.Fastener 38 that then will install in advance and cylinder 36 are upward through the through hole 14 and the radiator 20 of circuit board 10 from circuit board 10 belows perforation 24, make the shoulder 364 of cylinder 36 pass the breach of radiator 20 buckle ears 22, and the stop section 362 of cylinder 36 is resisted against the lower surface of circuit board 10.Spring 34 is positioned on the buckle ear 22 of radiator 20 again, makes it center on the top of cylinder 36.Afterwards, the bottom of screw rod spare 32 is penetrated in the circular hole 360 of cylinder 36, its spiro union portion 324 and the screw thread of cylinder 36 are screwed, its nut 320 pressed on spring 34 and it was folded between the nut 320 of the buckle ear 22 of radiator 20 and screw rod spare 32 this moment, and its pressure section 328 is suspended in the top of fastener 38.At last, screwdriver is inserted in the screw socket 3200 of screw rod spare 32, be rotated down this screw rod spare 32, make the compression zone 380 of the pressure section 328 of screw rod spare 32 against fastener 38.Along with moving of screw rod spare 32, spring 34 is compressed and deformation takes place, thereby presses on radiator 20 downwards, and it is moved towards circuit board 10; The pressure section 328 of screw rod spare 32 promotes the compression zones 380 of fasteners 38 downwards at this moment, and its two arms 382 around fastener 38 are rotated down; Meanwhile, the pressure section 384 of fastener 38 is along with the rotation of pressure section 380 upwards pivots, thereby compresses circuit board 10, and it is moved towards radiator 20; Be folded in until the compression zone 380 of fastener 38 between the inwall of the pressure section 328 of screw rod spare 32 and cylinder 36, the pressure section 384 that makes fastener 38 fits tightly with the lower surface of circuit board 10, thereby radiator 20 is fixed on the circuit board 10.
Compared with prior art, the buckling device 30 of heat abstractor combination of the present invention has spring 34 and is folded between radiator 20 and the screw rod spare 32, can make radiator 20 and electronic devices and components 12 Elastic Contact, thereby avoid 12 of radiator 20 and electronic devices and components to contact bad; And radiator 20 is connected with circuit board 10 elasticity, thereby prevents that circuit board 10 from deformation taking place.
Claims (11)
1. heat abstractor combination, be used for being installed on the cooling electronic component on the circuit board, it comprises a radiator and some buckling devices, it is characterized in that: each buckling device comprises that the cylinder that passes radiator and circuit board, a screw lock are folded in spring between screw rod spare and radiator, an and fastener that is articulated in cylinder in the screw rod spare, of cylinder, described screw rod spare compresses fastener downwards, makes described fastener pivot and compress described circuit board around cylinder.
2. heat abstractor as claimed in claim 1 combination is characterized in that: described screw rod spare comprises a nut that cross-sectional area successively decreases successively, be positioned at a spiro union portion of nut below and be arranged at a pressure section of spiro union portion below.
3. heat abstractor combination as claimed in claim 2, it is characterized in that: described cylinder comprises a cylindrical shell, this cylindrical shell is offered a port that runs through up and down.
4. heat abstractor combination as claimed in claim 3, it is characterized in that: the spiro union portion screw lock of described screw rod spare is in the port of above-mentioned cylindrical shell, and its pressure section is placed in the port of cylindrical shell, and its nut is positioned at the cylindrical shell outside.
5. heat abstractor as claimed in claim 4 combination is characterized in that: described spring clip places between screw rod spare nut and the radiator and around above-mentioned cylinder.
6. heat abstractor combination as claimed in claim 3 is characterized in that: described cylinder also comprises one from the stop section that the cylinder body outer wall central region is outwards protruded, and described stop section is around this cylindrical shell and compress above-mentioned radiator.
7. heat abstractor as claimed in claim 6 combination is characterized in that: described cylinder also comprises from outward extending two shoulders of cylinder body outer wall upper area, this two shoulder along drum shaft to being oppositely arranged and interconnecting with the two ends of above-mentioned stop section.
8. heat abstractor combination as claimed in claim 6, it is characterized in that: the cylindrical shell lower area of described cylinder is offered an accepting groove, and this accepting groove is oppositely arranged with above-mentioned stop section and is connected with the port of above-mentioned cylindrical shell.
9. heat abstractor as claimed in claim 8 combination is characterized in that: 2 second grooves that the accepting groove of described cylindrical shell has one first groove, extend downwards from the first groove two ends, and one the 3rd groove that extends downwards from first groove middle part.
10. heat abstractor combination as claimed in claim 9 is characterized in that: described fastener comprises another pressure section, a compression zone that is gone out by another pressure section one end bending, reaches from the compression zone both sides outward extending two arms.
11. heat abstractor combination as claimed in claim 10, it is characterized in that: two arms of described fastener are contained in respectively in 2 second grooves of cylindrical shell accepting groove, the compression zone of described fastener is positioned at the circular hole of cylindrical shell and is resisted against the pressure section of screw rod spare, and another pressure section of described fastener passes the circular hole of cylindrical shell and presses on the foregoing circuit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710076087 CN101351108B (en) | 2007-07-20 | 2007-07-20 | Combination of radiating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710076087 CN101351108B (en) | 2007-07-20 | 2007-07-20 | Combination of radiating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101351108A CN101351108A (en) | 2009-01-21 |
| CN101351108B true CN101351108B (en) | 2011-06-08 |
Family
ID=40269630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710076087 Expired - Fee Related CN101351108B (en) | 2007-07-20 | 2007-07-20 | Combination of radiating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101351108B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316776A (en) * | 2000-04-05 | 2001-10-10 | 富准精密工业(深圳)有限公司 | Heat sinking unit |
| CN2664181Y (en) * | 2003-10-11 | 2004-12-15 | 鸿富锦精密工业（深圳）有限公司 | Radiator fixing device |
| CN1937899A (en) * | 2005-09-23 | 2007-03-28 | 富准精密工业(深圳)有限公司 | Radiating device |
-
2007
- 2007-07-20 CN CN 200710076087 patent/CN101351108B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316776A (en) * | 2000-04-05 | 2001-10-10 | 富准精密工业(深圳)有限公司 | Heat sinking unit |
| CN2664181Y (en) * | 2003-10-11 | 2004-12-15 | 鸿富锦精密工业（深圳）有限公司 | Radiator fixing device |
| CN1937899A (en) * | 2005-09-23 | 2007-03-28 | 富准精密工业(深圳)有限公司 | Radiating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101351108A (en) | 2009-01-21 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20130720 |