CN2862169Y

CN2862169Y - Heat sink device

Info

Publication number: CN2862169Y
Application number: CN 200520127981
Authority: CN
Inventors: 凌昕
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2005-09-28
Filing date: 2005-09-28
Publication date: 2007-01-24
Anticipated expiration: 2015-09-28

Abstract

A heat dissipating double-fuselage, it includes a heat sink and a buckle, the heat sink includes a base and several heat-dissipating fins, the buckle includes a body, a operating lever and a movable rod, the body has a pressing part, one end of the pressing part is bent and extended a buckle part, another end of the pressing part has a perforation; one end of the operating rod is provided with two eccentric wheels, and the other end of the operating rod is provided with a handle; one end of the movable rod is provided with a buckle hole, the other end of the movable rod is pivoted to the eccentric wheel of the operating rod after penetrating through the through hole of the pressing part, an elastic gasket is further arranged below the pressing part of the buckle, two ends of the elastic gasket main body respectively bend downwards to extend a fixed arm and also bend upwards to extend an elastic supporting arm, the main body is pressed on the tops of a plurality of heat dissipation fins, and the two fixed arms are respectively correspondingly clamped between two adjacent heat dissipation fins. The fastener of the heat sink has simple structure, convenient assembly and disassembly and difficult deformation of the heat sink fins.

Description

Heat abstractor

Technical field

The utility model relates to a kind of heat abstractor, relate in particular to a kind of simple in structure, mounting or dismounting are convenient, be not easy to cause the heat abstractor of radiating fin distortion.

Background technology

Electronic component on the general computer system motherboard now in working order down all can the evolution of heat, normally stably works in order to guarantee these electronic components, need install a heat abstractor additional on these electronic components usually and dispel the heat.

Two fastener groups shown in No. the 92215377th, Taiwan patented claim, its outer both sides that hang over a fan fixed frame, each fastener group comprises a stator that is hooked on the fan fixed frame outside, offer a perforation on this stator, the lower end of each buckling piece is provided with three button holes, and a pivoted hole is offered in the upper end, after this perforation is passed in this buckling piece upper end, articulate one on its pivoted hole and have eccentric control lever, pull this control lever and can compress heating radiator.This fastening structure need use two fastener groups and this fan fixed frame to be used simultaneously, and its structure is comparatively complicated, and the scope of application is narrower.

Fastener shown in No. the 92203732nd, the Taiwan patented claim for another example, it comprises that one directly is pressed on and compresses bar, a buckling piece and a control lever on the heating radiator, thereby this end that compresses bar bends downwards and is provided with on the grab that a button hole snaps onto firm banking, and this other end that compresses bar is provided with two perforation; Thereby the lower end of this buckling piece is provided with three button holes and snaps onto on the grab of firm banking opposite side, the upper end is provided with two inserted sheets, after two inserted sheet correspondences of this buckling piece are passed this perforation that compresses bar, be pivotally attached to again on this control lever, this control lever is provided with an eccentric block, pulling this control lever can make eccentric block press down this to compress bar, heating radiator is pressed on this firm banking.Use this fastener need be, make to compress bar and can replace on the pedestal of heating radiator the radiating fin complete resection at heating radiator middle part.Yet, so can cause the area of dissipation of heating radiator to significantly reduce, cause its radiating efficiency to descend.Directly be pressed on the radiating fin of heating radiator if make this compress bar, then can cause the radiating fin distortion, windage increases and radiating efficiency is descended.

Summary of the invention

Fundamental purpose of the present utility model is to provide a kind of heat abstractor, and it is simple in structure, mounting or dismounting are convenient, be not easy to cause the radiating fin distortion.

For achieving the above object, the utility model provides a kind of heat abstractor, it comprises a heating radiator and a fastener, this heating radiator comprises a pedestal and the some radiating fins that upwards stretched out by this pedestal, this fastener comprises a body, a control lever and a motion bar, and this body has a pressure section, end bending an extending clamping part of this pressure section, this clamping part is provided with three button holes, and the other end of this pressure section offers a perforation; One end of this control lever is provided with two eccentric wheels, and its other end is provided with a handle; One end of this motion bar offers a button hole, its other end is pivotally attached on the eccentric wheel of this control lever after passing the perforation of this pressure section, the pressure section below of this fastener also is equiped with an elastomeric pad, this elastomeric pad has a main body, the two ends of this main body also respectively upwards bend when a fixed arm is extended in each downward bending extends a resilient support arms, this main body is pressed on the top of some radiating fins, and these two fixed arms are then corresponding respectively to be fastened between the two adjacent radiating fins.

The utlity model has following beneficial effect: buckle structure of the present utility model is comparatively simple, extremely easy to use when the installation and removal heating radiator, the elastomeric pad of this fastener can avoid radiating fin to deform with pressure section applied pressure mean allocation to each radiating fin.

Description of drawings

Fig. 1 is the three-dimensional exploded view of firm banking of the present utility model, heating radiator and fastener.

Fig. 2 is the three-dimensional exploded view of fastener of the present utility model.

Fig. 3 is the three-dimensional combination figure of fastener of the present utility model.

Fig. 4 is the three-dimensional combination figure of the fastener of the utility model heat abstractor when loosening.

Fig. 5 is the three-dimensional combination figure of the fastener of the utility model heat abstractor when compressing.

Embodiment

See also Fig. 1 and Fig. 5, a kind of heat abstractor, it comprises a firm banking 1, a heating radiator 2 and a fastener 3.

This firm banking 1 is provided with four sidewalls, and wherein front side wall 14 is provided with three grabs 16, and also correspondingly on the rear wall 12 relative with it is provided with three grabs 16.

This heating radiator 2 comprises a pedestal 22 and the some radiating fins 24 that upwards stretch out from this pedestal 22.Offers a groove 26 in the middle of the top of these radiating fins 24, and below this groove 26, offer a button and establish hole 242.

This fastener 3 comprises a body 32, a control lever 34, a motion bar 36 and an elastomeric pad 38.

This body 32 has a pressure section 322, these pressure section 322 correspondences are installed in the groove 26 of this heating radiator 2, one end of this pressure section 322 bending an extending clamping part 324, this clamping part 324 are provided with correspondence and are buckled in three button holes 3242 on the grab 16 on this firm banking 1 rear wall 12.The other end of this pressure section 322 offers a perforation 326.A sidewall 3222 is extended in each bending downwards of the both sides of this pressure section 322, and this pressure section 322 surrounds with two side 3222 and forms a storage tank 3224.

This control lever 34 is that the one bending forms, and the both sides of one end respectively bend in the same way extends an eccentric wheel 342, and correspondence respectively is provided with a pivoted hole 3422 on these two eccentric wheels 342.A butt plate 3424 is extended in each the vertical bending of the edge of these two eccentric wheels 342.The other end of this control lever 34 is provided with a handle 344.

One end of this motion bar 36 offers a button hole 362, and this button hole 362 can corresponding snap onto on the grab 16 of these firm banking 1 front side wall 14 centres.The other end of this motion bar 36 offers a pivot hole 364.After this motion bar 36 passes the perforation 326 of this pressure section 322, pass this pivoted hole 3422 and pivot hole 364 is pivotally attached to motion bar 36 between two eccentric wheels 342 by a pivot 9 correspondences.

This elastomeric pad 38 is to be installed in the storage tank 3224 of these pressure section 322 belows, and this elastomeric pad 38 has a main body 382, and a fixed arm 384 is extended in each bending downwards of the two ends of this main body 382.Respectively offer an opening 3842 on these two fixed arms 384, the downside of this opening 3842 outwards stretches out a tab 3844, this two tab 3844 can corresponding snap onto the button of adjacent radiating fin 24 and establish on the hole 242, thereby this elastomeric pad 38 firmly is fixed on the heating radiator 2.The upside of this opening 3842 extends to the two ends of this main body 382, the upside of these two openings 3842 respectively upwards bends and extends a resilient support arms 3846, these two resilient support arms, 3846 correspondences extend in this storage tank 3224 and the bottom of this pressure section 322 connects, this main body 382 is pressed on the top of some radiating fins 24, thereby to each radiating fin 24, avoid radiating fin 24 to deform fastener 3 applied pressure mean allocation.

During installation, earlier this elastomeric pad 38 is installed on the heating radiator 2, the button that makes two tabs, 3844 correspondences snap onto radiating fin 24 is established in the hole 242, pressure section 322 correspondences with this fastener 3 are installed in the groove 26 of this heating radiator 2 again, and button hole (362, the 3242) correspondence on the fastener 3 is snapped onto on the grab 16 of these firm banking 1 both sides; And then pulling handle 344, eccentric wheel 342 is replaced on this pressure section 322 to rotatablely move, this motion bar 36 rises and makes button hole 362 correspondences be locked to the grab 16 of this firm banking 1, this eccentric wheel 342 compresses this pressure section 322 downwards, this pressure section 322 is compressed heating radiator 2 be attached on the firm banking 1.If dismantle this fastener 3, only need this handle 344 is oppositely pulled, make the pressure section 32 of fastener 3 loosen this heating radiator 2, can take off fastener 3 easily.

The structure of above-mentioned fastener 3 is comparatively simple, and is extremely easy to use when installation and removal heating radiator 2, and the elastomeric pad 38 of this fastener 3 to each radiating fin 24, can avoid radiating fin 24 to deform fastener 3 applied pressure mean allocation.

More than be first embodiment of the present utility model, in fact, 34 of this control lever are provided with an eccentric wheel 342 also can play same effect, realizes same effect.And on the basis of present embodiment, can also make a variety of variations, do not repeat them here.

Claims

1, a kind of heat abstractor, it comprises a heating radiator and a fastener, this heating radiator comprises a pedestal and the some radiating fins that upwards stretched out by this pedestal, this fastener comprises a body, a control lever and a motion bar, this body has a pressure section, a clamping part is extended in the one end bending of this pressure section, and this clamping part is provided with some button holes, and the other end of this pressure section offers a perforation; One end of this control lever is provided with at least one eccentric wheel, and its other end is provided with a handle; One end of this motion bar offers a button hole, its other end is pivotally attached on the eccentric wheel of this control lever after passing the perforation of this pressure section, it is characterized in that: the pressure section below of this fastener also is equiped with an elastomeric pad, this elastomeric pad has a main body, the two ends of this main body also respectively upwards bend when a fixed arm is extended in each downward bending extends a resilient support arms, this main body is pressed on the top of some radiating fins, and these two fixed arms are then corresponding respectively to be fastened between the two adjacent radiating fins.

2, heat abstractor according to claim 1 is characterized in that: respectively offer an opening on this fixed arm, this opening downside outwards stretches out a tab.

3, heat abstractor according to claim 2 is characterized in that: the radiating fin of this heating radiator is provided with a button that can snap in for the tab correspondence of this fastener and establishes the hole.

4, heat abstractor according to claim 2 is characterized in that: the opening on this fixed arm is the two ends that extend up to this main body, and this open upper side upwards bending is extended above-mentioned resilient support arms.

5, heat abstractor according to claim 1, it is characterized in that: a sidewall is extended in each bending downwards of the both sides of this pressure section, this pressure section and this two side surround and form a storage tank, thereby two resilient support arms correspondences of this elastomeric pad are along for accommodation into replacing this pressure section below in this storage tank.

6, heat abstractor according to claim 1, it is characterized in that: this control lever is that the one bending forms, the both sides of one end respectively bend in the same way extends an above-mentioned eccentric wheel, correspondence respectively is provided with a pivoted hole on these two eccentric wheels, the other end correspondence of this motion bar offers a pivot hole, thereby passes this pivoted hole and the pivot hole is pivotally attached to this motion bar between these two eccentric wheels by a pivot correspondence.

7, heat abstractor according to claim 6 is characterized in that: a butt plate is extended in each the vertical bending of these two eccentric edges.

8, heat abstractor according to claim 1, it is characterized in that: this heating radiator is installed on the firm banking, the both sides that this firm banking is relative respectively are provided with some grabs, some button hole correspondences on this fastener body are buckled on the grab of this firm banking one side, and the button hole correspondence of this motion bar is buckled on the grab of this firm banking opposite side.

9, heat abstractor according to claim 8 is characterized in that: the handle that rotates this control lever can make eccentric wheel replace on this pressure section and rotatablely move, and presses down this pressure section and this fastener is compressed this heating radiator be attached on this firm banking.