CN100493321C

CN100493321C - Heat radiating device

Info

Publication number: CN100493321C
Application number: CNB200610061857XA
Authority: CN
Inventors: 李冬云; 利民; 马无疆
Original assignee: Hong Jun Precision Industry Co ltd; Fuzhun Precision Industry Shenzhen Co Ltd
Current assignee: Hong Jun Precision Industry Co ltd; Fuzhun Precision Industry Shenzhen Co Ltd
Priority date: 2006-07-28
Filing date: 2006-07-28
Publication date: 2009-05-27
Anticipated expiration: 2026-07-28
Also published as: CN101115365A

Abstract

A cooling device comprises a fan, a radiator and a plurality of fan buckles which are used for fixing the fan on the radiator, each fan buckle comprises an action rod, a flexible element and a fixation frame, the action rod comprises a pressing segment and a positioning segment arranged on one end of the pressing segment, the fixation frame is fixed on the radiator, one end of the flexible element which is sleeved on the action rod leans against the pressing segment of the action rod, and another end leans against the fan, the positioning segment of the action rod penetrates the fan, the flexible element and the fixation frame in turn, and the positioning segment is blocked on the fixation frame, so the fan is fixed on the radiator. The cooling device is buttoned with the fixation frame by the action rod of the buckle and the flexible element, so the assembly and disassembly of the fan and the radiator can be achieved, and the operation is simple and convenient.

Description

Heat abstractor

Technical field

The present invention relates to a kind of heat abstractor, refer in particular to a kind of heat abstractor with fan fastener.

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, this fan adopts screw fashion to be connected with fan by the fan fastener, makes that the installation and removal of fan are all inconvenient.

Summary of the invention

In view of this, be necessary to provide a kind of easy structure, dismounting heat abstractor of fan fastener easily that has.

A kind of heat abstractor, comprise a fan, one radiator and some this fan is fixed on fan fastener on this radiator, each fan fastener comprises an operating bar, one flexible member and a fixed mount, this operating bar comprises that the section of compressing and is positioned at the positioning section that this compresses Duan Yiduan, this fixed mount is fixed on this radiator, this flexible member is placed on this operating bar, the section of the compressing other end that the one end is resisted against this operating bar is resisted against fan, and the positioning section of this operating bar passes fan successively, thereby flexible member and fixed mount and its positioning section are placed on the fixed mount fan are fixed on this radiator.

By the operating bar of fastener and being fastened of flexible member and fixed mount, can realize the assembling and the dismounting of fan and radiator in the above-mentioned heat abstractor, simple, convenient.

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 embodiment one of the present invention.

Fig. 2 is the stereo amplification figure of fan fastener operating bar in Fig. 1 heat abstractor.

Fig. 3 is the stereo amplification figure of fan fastener fixed mount in Fig. 1 heat abstractor.

Fig. 4 is a view before the fan fastener fastens in Fig. 1 heat abstractor.

Fig. 5 is that the fan fastener fastens the back view in Fig. 1 heat abstractor.

Fig. 6 is the three-dimensional combination figure of Fig. 1.

Fig. 7 is the three-dimensional exploded view of heat abstractor embodiment two of the present invention.

Fig. 8 is the stereo amplification figure of fan fastener operating bar in Fig. 7 heat abstractor.

Fig. 9 is the stereo amplification figure of fan fastener fixed mount in Fig. 7 heat abstractor.

Figure 10 is the three-dimensional combination figure of Fig. 7.

Embodiment

See also Fig. 1, heat abstractor 100 for the embodiment of the invention one, this heat abstractor 100 is in order to the heat-generating electronic elements on the circuit board (figure do not show) (figure does not show) heat radiation, and this heat abstractor 100 comprises a radiator 10, a fan 20 and this fan 20 is fixed to fan fastener 30 on the radiator 10.

It is three-dimensional square that this radiator 10 roughly is, and it comprises a flat rectangular susceptor 11, and these pedestal 11 middle parts raise up and form an arc boss, and this boss top extends upward some fin 130, and these fin 130 extend longitudinally and are parallel to each other at interval.These pedestal 11 horizontal two relative side middle parts extend horizontally away some rectangle branching portions 111 at interval that are parallel to each other, these branching portion 111 tops extend upward some fin 131 in horizontal space, and these fin 131 overhead heights are low with respect to fin 130.On 10 4 jiaos in this radiator, four lugs 115 go out from the side of pedestal 11 horizontal-extending, the middle part of these lugs 115 respectively is provided with a through hole in order to run through four securing members 15, thereby radiator 10 is fixed on the circuit board, and this radiator 10 adjoins fin 131 two relative sides and is provided with four fastener holes 18.

This fan 20 comprises a square framework 21, and this framework 21 comprises a top 23 and a

bottom

25,23 4 jiaos at this top and 25 corresponding four jiaos of spaces, bottom, and correspondence is provided with four-way hole 232,252.

This fan fastener 30 comprises two operating bars 31, two cylindrical springs 35 and two fixed mounts 38.

See also Fig. 2, this operating bar 31 roughly is the cylinder rod, and it mainly comprises a lever piece 310, a positioning section 315 and the section of compressing 312 between this lever piece 310 and positioning section 315.This lever piece 310 is positioned at operating bar 31 upper ends, and it comprises the handle of a flat square; This section of compressing 312 is adjoined with this handle, it comprise one with the circular butting section 3103 and a cylindrical convergence part 3123 of extending of this handle bottom vertical from these 3103 bottoms, butting section, these convergence part 3123 diameters are less than these butting section 3103 diameters.Be circumferentially with two symmetrically arranged flutings 3122 (referring to Fig. 5) along it in the middle of this convergence part 3123, four flutings 3120 extend upward vertically from the end of described two circumferential flutings 3122 respectively, wherein axially grooved 3120 its corresponding circumferential flutings 3122 are communicated with, so that these 3123 corresponding fluting places, convergence part form two shell fragments 3124, these two shell fragments, 3124 terminal outwards projections have arc baffle ring 3121, this two baffle ring 3121 and butting section 3103 almost parallels, and be provided with

corresponding recesses

3120,3122 around the baffle ring 3121, to cooperate baffle ring 3121 distortion.Through hole 232,252 internal diameters of the maximum gauge of this baffle ring 3121 and fan 20 frameworks 21 are suitable, and big compared to the internal diameter of spring 35.This positioning section 315 is positioned at the lower end of operating bar 31, it comprise one by 3123 bottoms, convergence part extend and size less than the pole 3151 of convergence part 3123, with a clamping part 3153 that is arranged at these pole 3151 bottoms, this clamping part 3153 is a rectangle lamellar body, and it is along extending to pole 3151 both sides with pole 3151 vertical direction.

See also Fig. 3, this fixed mount 38 comprises that one roughly is the rectangular body 385 of strip and the rectangle cramp 388 that forms of these body 385 1 vertical side of the edge vertical extent certainly, be formed with the groove 3850 of a longitudinal extension in the middle of this body 385, these groove 3850 width are slightly larger than clamping part 3153 width of operating bar 31.Near body 385 1 ends, laterally be provided with an elongated rectangular shape through hole 3852 on this groove 3850 along body 385.This through hole 3852 exceeds groove 3850 and then the body 385 to groove 3850 both sides extends, and its shape is corresponding with the clamping part 3153 of operating bar 31, and size is bigger.Two ends near body 385 cross sides on this cramp 388 are provided with two circular holes 3888.

Please consult Fig. 4 to Fig. 6 simultaneously, during assembling, earlier two fixed mounts 38 are overlapped on the two relative side that radiator 10 is provided with fin 131, make the body 385 of this two fixed mount 38 be covered in fin 131 tops, the cramp 388 of fixed mount 38 is pressed close to the side of radiator 10, the circular hole 3888 of cramp 388 is corresponding with the fastener hole 18 of radiator 10 simultaneously, and four screws 40 pass these circular holes 3888, fastener hole 18 fixed mount 38 is secured to the corresponding both sides relatively of radiator 10; Then, fan 20 is the top that diagonally opposing corner places radiator 10, make through hole 232 on these fan 20 2 diagonal angles, 252 the through hole 3852 with fixed mount 38 upper bodies 385 is corresponding respectively, between the through hole 252 with coaxial through hole 232 that places these fan 20 described two diagonal top 23 of two springs 35 and bottom 25, the lever piece 310 of operating this operating bar 31 makes the clamping part 3153 of operating bar 31 pass the through hole 232 of fan 20 successively, spring 35, through hole 252, simultaneously, when two shell fragments 3124 of operating bar 31 pass the through hole 232 of fan 20, mutual extrusion takes place with the through hole 232 of fan 20, and make it close to groove 3120, thereby the generation strain is recovered strain again then by this two shell fragment 3124 behind this through hole 232; The baffle ring 3121 of operating bar 31 is then against spring 35 tops, and makes spring 35 shrink the bottom 25 that presses down fan 20 gradually, and then makes fan 20 and radiator 10 closely recline; Then, when clamping part 3153 correspondences of operating bar 31 are passed the through hole 3852 of fixed mount 38 and are lower than the position of body 385, horizontally rotate the lever piece 310 of operating bar 31 about 90 ° to this clamping part 3153 and through hole 3852 perpendicular positions, then upwards mention operating bar 31 and make groove 3850 bottoms of clamping part 3153 vertical lifting to be resisted against fixed mount 38, because this moment, spring 35 still was in contraction state, fan 20 firmly is pressed on this fixed mount 38.When needs dismounting fan 20, earlier 310 times pressing springs 35 of lever piece of operation operating bar 31 make clamping part 3153 vertically drop to be lower than body 385 positions, then about 90 ° of through holes 3852 that make clamping part 3153 corresponding fixed mounts 38 of rotary manipulation section 310, upwards mention operating bar 31 then and separate, can realize the dismounting of fan 20 with fixed mount 38.

See also Fig. 7 and Figure 10, be the heat abstractor 200 of the embodiment of the invention two, similar to the heat abstractor 100 of embodiment one, this heat abstractor 200 comprises a radiator 10b, a fan 20b and fan 20b is fixed to fan fastener 30b on the radiator 10b.

It is three-dimensional square that this radiator 10b roughly is, it comprises a flat square base 11b, extend upward some

fin

130b, 131b from this pedestal 11b top, wherein fin 131b is symmetrically placed in fin 130b both sides, is provided with the groove that some edges laterally reach longitudinal extension between these fin 130b, the 131b; Be distributed in the fin 130b at pedestal 11b middle part, the fin 131b development length that is distributed in the close two relative edge's edge of pedestal 11b is long, and this radiator 10b adjoins fin 131b two relative side and is provided with four fastener hole 18b.

This fan 20b comprises a rectangle framework 21b, and this framework 21b is provided with four through hole 232b for four jiaos, and each through hole 232b comprises an apical pore near framework 21b top (figure does not show) and a bottom outlet near framework 21b bottom (figure does not show).

This fan fastener 30b comprises four operating bar 31b, four cylindrical springs 35 and two fixed mount 38b.

See also Fig. 8, this operating bar 31b comprises a lever piece 310b, a positioning section 315b and one section of the compressing 312b between this lever piece 310b and positioning section 315b.Operating bar 31 structures among this operating bar 31b and the embodiment one are roughly the same, and both difference are that the convergence part 3123b of this operating bar 31b is not provided with shell fragment 3124, baffle ring 3121 and groove 3120,3122.Wherein, the butting section 3121b diameter of this operating bar 31b is big compared to spring 35 internal diameters, and this convergence part 3123b diameter is little compared to spring 35 internal diameters.

See also Fig. 9, this fixed mount 38b comprises the body 385b of an elongated rectangular shape shape, and this body 385b one lengthwise edge-perpendicular is extended a linking arm 381b.The two ends, edge of this linking arm 381b one vertical side, towards vertically extending two lug 382b away from body 385b direction, the edge laterally is provided with a rectangular through-hole 3822b in the middle of each lug 382b, this through hole 3822b shape is corresponding with the clamping part 3153b of operating bar 31b, size is bigger, and 3153b passes through for clamping part.Two through hole 3822b opposite sides edges respectively are formed with two projection 3825b, and the width of this two projections 3825b spacing and this clamping part 3153b is suitable, with the clamping part 3153b holding of this operating bar 31b therebetween.This body 385b goes up both sides, a relative edge with linking arm 381b, and towards vertically extending two rectangle cramp 388b with linking arm 381b bearing of trend opposition side, each cramp 388b is provided with a circular hole 3888b; This body 385b go up with cramp 388b with in the middle of the lateral edges, a flanging 389b extends with this cramp 388b bearing of trend opposition side in court, controls fixed mount 38b in order to operation.

During assembling, earlier two fixed mount 38b are overlapped on radiator 10b and are provided with fastener hole 18b two relative side, make the body 385b of fixed mount 38b be covered in fin 131b top, lug 382b is covered in fin 130b top, the cramp 388b of fixed mount 38b presses close to the side of radiator 10b simultaneously, and making the circular hole 3888b of cramp 388b corresponding with the fastener hole 18b of radiator 10b, four screws 40 pass circular hole 3888b, fastener hole 18b so that fixed mount 38b and radiator 10b are connected and fixed.Then, fan 20b is placed the top of radiator 10b, and make the through hole 232b on four jiaos of this fan 20b corresponding with the through hole 3822b of fixed mount 38b.Here, spring 35 external diameters are little than apical pore internal diameter among the fan 20b through hole 232b, and spring 35 external diameters are big than the bottom outlet internal diameter of this through hole 232b, the convergence part 3123b of this operating bar 31b, pole 3151b, clamping part 3153b the size all internal diameter than this through hole 232b bottom outlet are little, therefore, four springs 35 are contained among these through holes 232b, and the lever piece 310b of operation operating bar 31b makes clamping part 3153b, pole 3151b, convergence part 3123b pass the through hole 232b of fan 20b, spring 35 successively; Then the butting section 3121b of operating bar 31b is against spring 35 tops, make spring 35 shrink gradually, when the clamping part 3153b of operating bar 31b correspondence is passed the through hole 3822b of fixed mount 38b and be lower than the projection 3825b terminal position of lug 382b, horizontally rotate lever piece 310b about 90 ° to this clamping part 3153b and the perpendicular position of through hole 3822b, then upwards mention and make this clamping part 3153b be snapped between the two projection 3825b at this through hole 3822b edge, because this moment, spring 35 still was in contraction state, fan 20b just firmly is pressed on the lug 382b of fixed mount 38b.When needs are dismantled this fan 20b, earlier pressing spring 35 makes clamping part 3153b vertically drop to be lower than projection 3825b terminal position under the handle of operation operating bar 31b, half-twist makes the through hole 3822b of the corresponding fixed mount 38b of clamping part 3153b then, then upwards mention operating bar 31b and separate, can realize the dismounting of fan 20b with fixed mount 38b.

In sum,, only need to operate simply assembling and dismounting that operating

bar

31,31b can be realized

fan

20,20b and

radiator

10,10b by this

fastener

30,30b, simple, convenient.

Claims

1. heat abstractor, comprise a fan, one radiator and some this fan is fixed on fan fastener on this radiator, each fan fastener comprises an operating bar, one flexible member and a fixed mount, this operating bar comprises that the section of compressing and is positioned at the positioning section that this compresses Duan Yiduan, this fixed mount is fixed on this radiator, it is characterized in that: the section surface that compresses of described operating bar forms two symmetrically arranged shell fragments, the shell fragment generation strain of this section of compressing wears the fan top, this flexible member is placed on this operating bar, the one end is resisted against the shell fragment of the section of compressing of this operating bar, the other end is resisted against the fan bottom, and the positioning section of this operating bar passes the fan top successively, flexible member, thereby fan bottom and fixed mount and its positioning section are placed on the fixed mount fan are fixed on this radiator.

2. heat abstractor as claimed in claim 1 is characterized in that: the flexible member of described fan fastener is a spring.

3. heat abstractor as claimed in claim 2 is characterized in that: the operating bar of described fan fastener also comprises a lever piece, and this lever piece is positioned at the described section of the compressing other end.

4. heat abstractor as claimed in claim 2, it is characterized in that: the section of compressing of the operating bar of described fan fastener comprises a butting section and a convergence part of extending from this bottom, butting section, described spring housing is located on this convergence part, and this butting section Zhou Jing is big than the internal diameter of this spring.

5. heat abstractor as claimed in claim 4 is characterized in that: correspondence is provided with groove around each shell fragment.

6. heat abstractor as claimed in claim 5 is characterized in that: described each shell fragment end is formed with in order to compress the baffle ring at spring top.

7. heat abstractor as claimed in claim 6 is characterized in that: described each baffle ring is curved.

8. heat abstractor as claimed in claim 2 is characterized in that: the positioning section of the operating bar of described fan fastener extends from the section of compressing bottom, and it comprises that a pole and extends the clamping part that forms from this pole bottom.

9. heat abstractor as claimed in claim 8, it is characterized in that: the fixed mount of described fan fastener comprises a body that places the radiator top to contact with fan, this body is provided with a through hole that passes through for the clamping part of operating bar, this clamping part and this fixed mount through hole body buckle on every side.

10. heat abstractor as claimed in claim 9 is characterized in that: the body longitudinal extension of described fixed mount is provided with a groove, and the through hole of described fixed mount is across this groove.

11. heat abstractor as claimed in claim 9 is characterized in that: the body one lateral edges vertical extent of described fixed mount forms one in order to be fixed to the cramp on the radiator.

12. heat abstractor as claimed in claim 8 is characterized in that: described fixed mount comprises that one places the radiator top body and from the straight extended linking arm of this body one side marginal lappet, is formed with two lugs that contact with the fan bottom on the described linking arm.

13. heat abstractor as claimed in claim 12 is characterized in that: described lug is provided with and is made for the through hole that the moving part clamping part passes through, and described fixed mount lug bottom is closed on lead to the hole site and is formed with two projections in order to this clamping part of holding.

14. heat abstractor as claimed in claim 12 is characterized in that: both sides, a relative edge with linking arm on the body of described fixed mount, towards extending two in order to this fixed mount is fixed to the cramp of radiator one side with linking arm bearing of trend opposition side.

15. heat abstractor as claimed in claim 2 is characterized in that: described radiator comprises a pedestal and extends upward some fin at interval that are parallel to each other from this pedestal that fin is than the fin height height of relative both sides in the middle of this radiator.

16. heat abstractor as claimed in claim 15 is characterized in that: described fan is fixedly installed in this radiator top, and this corner, fan frame body edge is provided with the some through holes that supply described fan fastener and spring correspondence to run through.

17. heat abstractor as claimed in claim 15 is characterized in that: described fan Fixture is fixedly installed in lower both sides, this radiator top.