CN101087509A

CN101087509A - Heat radiator

Info

Publication number: CN101087509A
Application number: CN 200610061087
Authority: CN
Inventors: 赖振田; 鲁翠军; 刘松水
Original assignee: Fuzhun Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Fuzhun Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2006-06-09
Filing date: 2006-06-09
Publication date: 2007-12-12
Anticipated expiration: 2026-06-09
Also published as: CN100562235C

Abstract

A radiating device is used to radiate a heating electronic element; it includes a radiator, a fan and several fan fasteners which are used to fix the fan to the radiator, the radiator possesses several radiating fins, every fan fastener includes a noumenon, the noumenon extends a convex lug which is used to fix the fan and a fixing piece, the fixing piece is connected with two adjacent rear ends of the radiating fins, a connector passes through the fixing piece and inserted into the clearance between the two adjacent radiating fins, so the fan fasteners can be fixed to the radiator. The radiator and fan in the radiating device are connected by several separated fan fasteners; material is little, every fan fastener only includes a noumenon and a convex lug and fixing piece which are extended from the noumenon, structure is easy, at the same time, the connector can be used directly to be inserted into the clearance between the radiating fins to realize stable fixing of the radiator.

Description

Heat abstractor

Technical field

The present invention relates to a kind of heat abstractor, be meant a kind of heat abstractor that has the fan fastener especially.

Background technology

Nowadays, in computer industry, for the heat that heat-generating electronic elements such as little process chip are produced effectively distributes, usually the method that adopts is the excessive hot surface that heat abstractor closely is attached at heat-generating electronic elements, to assist the heat-generating electronic elements heat radiation, guarantee that heat-generating electronic elements operates under suitable temperature.

The Chinese patent bulletin discloses a kind of heat abstractor CN2528110Y number, it comprises that a fan, a radiator and one are fixed on fan fastener on the radiator with fan, the fan fastener is one to be located at the integral type lid on the radiator in this heat abstractor, this lid volume is bigger, more with material, structure is also comparatively complicated, establish special screwed hole for realize that fastener need be attacked with being connected of radiator on radiator simultaneously, increased manufacturing procedure, improve fan, radiator and the comprehensive assembly cost of fan fastener three, aspect cost, shown imperfect design.

Summary of the invention

In view of this, be necessary to provide a kind of simple in structure, fan fastener of saving material.

One heat abstractor, in order to a heat-generating electronic elements is dispelled the heat, it comprises a radiator, a fan and some in order to fan is fixed to the fan fastener on the radiator, be formed with some radiating fins on this radiator, each fan fastener comprises a body, extend a lug and a stator in order to fan attachment on this body, this stator is resisted against two adjacent radiating fin ends, a connection piece passes this stator and shoots in this two adjacent radiating fins gap, with this fan fastener against being fixed on the radiator.

Radiator in this heat abstractor is realized being connected by the fan fastener of a plurality of separation with fan, less with material, each fastener only by a body and from this body extended lug and stator form, simple in structure, simultaneously, can directly shoot the strong fix of realization fastener on radiator in the radiating fin gap by connector.

The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.

Description of drawings

Fig. 1 is the three-dimensional exploded view of heat abstractor of the present invention.

Fig. 2 is the stereo amplification figure of a fan fastener among Fig. 1.

Fig. 3 is the constitutional diagram of Fig. 1, has wherein omitted fan.

Fig. 4 is the constitutional diagram of Fig. 1.

Embodiment

See also Fig. 1, heat abstractor of the present invention is in order to dispel the heat to a heat-generating electronic elements 82 on the circuit board 80, this heat abstractor comprises a radiator 10, four fan fasteners 20, a fan 30, a holder 40 and a fastener 50, wherein this fan 30 is installed on the radiator 10 by fan fastener 20, and this fastener 50 is in order to be fastened on radiator 10 on the holder 40.

This holder 40 is a framework that roughly is square, this framework has surrounded a square aperture (not label), heat-generating electronic elements 82 is positioned at this square aperture, two relative edge's frames middle part of this framework is respectively equipped with a projection 41, two screws 43 pass projection 41 and holder 40 are fixed on the circuit board 80, each projection 41 outer hook sheet vertically extends a clamping part 42, and this clamping part 42 is in order to be interlockingly connected with fastener 50.

This radiator 10 is cube, and it comprises a body 11 and some radiating fins 13 that extends from these body 11 side surfaces, and this body 11 comprises the heat conduction branching portion 115 that a square heating column 112 and four selfs heating column 112 sides four corner angle extend.These radiating fins 13 along and the perpendicular direction in heating column 112 sides extend, and evenly be separated into four groups that are positioned at different directions by this four heat conduction branching portion 115, two adjacent groups of radiating fins 13 bearing of trends are vertical mutually.Be provided with a rectangle storage tank 12 that laterally runs through in the middle of this radiator 10, these square heating column 112 tops and adjacent radiating fin 13 are separated into two parts by storage tank 12, wherein in the two opposite groups radiating fin of not separated by storage tank 12 13, outermost two radiating fin 13a are thick than other radiating fin 13 for contiguous its heat conduction branching portion 115 extending ends.This fastener 50 is cross-placed in the storage tank 12 and passes through clamping part 42 snappings of its two ends and holder 40, to be fixed on radiator 10 in the holder 40 and to be attached on this heat-generating electronic elements 82.

This fan 30 comprises a square framework 31 and an impeller 32 that is contained in this framework 31, evenly is provided with four through holes 310 on 31 4 jiaos of this square frameworks and passes for securing member 36.

See also Fig. 2, these fan fasteners 20 respectively comprise the body 22 of a rectangular sheet, on this body 22 wherein relative both sides vertically extend two hook sheets 227, a lateral edges adjacent with hook sheet 227 on this body 22 extends a square lug 223 and a square stator 225 at interval, lug 223 is by body 22 edge horizontal-extendings, which is provided with a round boss 224, these boss 224 centers are provided with a fastener hole 226 that runs through this boss 224 and lug 223; This stator 225 is extended downward vertically by body 22 edges, which is provided with a through hole 228.This stator 225 is perpendicular with lug 223.

See also Fig. 3 and Fig. 4, during assembling, this four fans fastener 20 is installed on respectively on four jiaos at these radiator 10 tops, and wherein, a hook sheet 227 fasteners of each fan fastener 20 are resisted against the radiating fin 13a outside of heat conduction branching portion 115 inboards; Another hook sheet 227 fasteners are resisted against a radiating fin 13 ends in another adjacent with this radiating fin 13a place fins group on this radiator 10 fins group, make body 22 be cross-placed on this two radiating fin 13a.And stator 225 is resisted against this two radiating fin 13a extending end towards a side of body 22, its through hole 228 is relative with the gap of two radiating fin 13a, and the fastener hole 226 that need to guarantee each lug 223 this moment up can be corresponding with each through hole 310 on 30 4 jiaos in the fan.Run through self-tapping screw 25 against through hole 228 and progressively shoot in the gap of this two radiating fin 13a, because the spacing of this two radiating fin 13a is less than the external diameter of self-tapping screw 25, so when screw 25 is shot, radiating fin 13a will flexibly expand outwardly and produce an inside elastic force then so that screw 25 is is tightly inserted and put therebetween, the internal thread that while matches with spiral shell mosquito outside the screw 25 in the tapping of this two radiating fin 13a inner surface, thereby make screw 25 and firm combination of this two radiating fin 13a, thereby fan fastener 20 is fixed on the radiator 10; Then, the bottom of fan 30 is resisted against on the boss 224 of fan fastener 20, and make that the through hole 310 of 30 4 jiaos in fan is corresponding with corresponding fastener hole 226, four securing members 36 are run through fixing so that fan 30 is combined with fan fastener 20 in screw-in through hole 310, the fastener hole 226, and then realize that fan 30 firmly combines with radiator 10.

In sum, utilize this fan fastener 20 fan attachments 30, need on radiator 10, not slot, and simple in structure, save material, reduced the fixing cost of fan.

Claims

1. a heat abstractor, in order to a heat-generating electronic elements is dispelled the heat, it comprises a radiator, a fan and some in order to fan is fixed to the fan fastener on the radiator, be formed with some radiating fins on this radiator, it is characterized in that: each fan fastener comprises a body, extend a lug and a stator in order to fan attachment on this body, this stator is resisted against two adjacent radiating fin ends, a connection piece passes this stator and shoots in this two adjacent radiating fins gap, with this fan fastener against being fixed on the radiator.

2. heat abstractor as claimed in claim 1 is characterized in that: described connector is a self-tapping screw.

3. heat abstractor as claimed in claim 2 is characterized in that: this two adjacent radiating fin is thick than other radiating fins on the described radiator, and this two adjacent fin pitch is less than this self-tapping screw external diameter.

4. heat abstractor as claimed in claim 2 is characterized in that: extension is provided with two hook sheets on the described fan fastener body, in order to this radiator of fastener.

5. heat abstractor as claimed in claim 4, it is characterized in that: described body is rectangular laminar, described lug and stator extend setting and vertical mutually from body the same side marginating compartment, and this two hooks sheet opposite end adjacent with lug on body extends setting downward vertically.

6. heat abstractor as claimed in claim 5, it is characterized in that: described lug is provided with by the body edges horizontal-extending, which is provided with a round boss, this boss is against the fan bottom, this boss is provided with a fastener hole, the through hole that is provided with on the corresponding fan of this fastener hole passes this through hole and fastener hole so that fan and fan fastener are coupled together by securing member.

7. heat abstractor as claimed in claim 5 is characterized in that: described stator is provided with downwards by the body edges horizontal vertical, which is provided with a through hole, for self-tapping screw run through and against.

8. heat abstractor as claimed in claim 5 is characterized in that: a described wherein hook sheet fastener is resisted against a side of this two adjacent radiating fin, and another hook sheet fastener is resisted against another radiating fin end, this two adjacent radiating fin so that body bridges.

9. heat abstractor as claimed in claim 8 is characterized in that: described two adjacent radiating fins are towards first direction, and another radiating fin is towards the second direction that is different from first direction, and this second direction is perpendicular to first direction.

10. as any described heat abstractor of claim 1 to 9, it is characterized in that: described radiator is cube, it comprises a body, this body comprises a square heating column and the four heat conduction branching portions that extend from four edges and corners, heating column side, above-mentioned radiating fin is along extending with the perpendicular direction in heating column side and evenly being separated into four groups that are positioned at different directions by four heat conduction branching portions, two groups of adjacent radiating fin bearing of trends are vertical mutually, describedly place therebetween radiating fin respectively in the two opposite groups radiating fin for connector, contiguous each heat conduction branching portion extending end outermost.

11. heat abstractor as claimed in claim 10, it is characterized in that: four fan fasteners are installed in respectively on four jiaos in this radiator, this fan comprises a square framework, four jiaos of this frameworks are corresponding with four jiaos in radiator respectively, pass four jiaos in fan and lug so that fan and fan fastener are coupled together by four securing members.

12. heat abstractor as claimed in claim 1 is characterized in that: described heat abstractor also comprises a fastener and a holder, this fastener compacting radiator and with the holder snapping, so that radiator is fixed on the circuit board at this heat-generating electronic elements place.

13. heat abstractor as claimed in claim 12 is characterized in that: be provided with a storage tank in the middle of the described radiator, this fastener is cross-placed in the storage tank and by the projection on its two ends and the holder and is interlockingly connected.