CN2636413Y - Heat radiator fastener - Google Patents

Abstract

A heat radiator buckling device comprising a buckling main body and a prop press component is provided, which is characterized in that: a beam is positioned at the middle of the buckling main body; a buckling arm is respectively arranged downwards at two ends of the beam; a storage groove is made at appropriate position of the beam; a folded side is respectively extended downwards from its two lateral brims; the prop press component can be hinged in the storage groove of the buckling main body; a connecting part is arranged at the middle of the prop press component; a hinge part is arranged at one end of the connecting part; the end section of the hinge part bends downwards to form a prop press part.

Description

Fastener of heat sink

[technical field]

The utility model is about a kind of fastener of heat sink, particularly about a kind ofly fasten closely, the fastener of heat sink of easy accessibility.

[background technology]

Flourish along with electronic industry, the speed of service of electronic building brick is also more and more faster, the release of high-frequency high-speed processor is accelerated day by day, but, the high-frequency high-speed operation will make the caloric value of electronic building brick increase, distribute if heat is untimely, will cause the electronic building brick internal temperature more and more higher, have a strong impact on the stability of electronic building brick operation.

Now only rely on the heat radiation of electronic building brick self can not satisfy practical application request fully, for this reason, industry installs a radiator additional on heating electronic building brick surface usually and comes auxiliary heat dissipation, for radiator is firmly closely contacted with the heating electronic building brick, need radiator be pressed on heating electronic building brick surface by a fastener in addition, technology early is to adopt screw to pass corresponding perforations on radiator and the circuit board and make radiator fix and closely contact with electronic building brick, but quite inconvenience of screw locking dismounting, and easily cause the circuit board distortion because of the local application of force is excessive, the application of fading out gradually.Occurred linear fastener again, it is to adopt the bending of metal wire rod one to form, and mostly is " Z " font greatly thereupon, and its middle part is pressed between the groove of radiator heat-dissipation fin, and then locate with the projection snapping of socket both sides at two ends.But, linear module is very thin, and do not control the position, operation is inconvenience quite, and the assembling process difficulty is big, simultaneously, thickness at different occasion wire rods is difficult for grasping, if wire rod is not enough than detailed rules and regulations fastening strength, if wire rod can increase operating physical force more again, therefore if not special occasions (as for saving space etc.) be not used usually.

The shell fragment mode that the fastener of heat sink that industry adopts forms with the one bending mostly is fixed on radiator on the CPU, constitutes the fixing effect of fitting.

[summary of the invention]

The purpose of this utility model is to provide a kind of spring-piece type fastener of heat sink tight, easy accessibility that fastens.

For achieving the above object, the utility model has adopted following technical scheme: the utility model fastener of heat sink comprises that a button holds a main body and a press part.This button is held the main body middle part and is provided with a crossbeam, the two ends of this crossbeam are respectively to having a button arm, this crossbeam in position locates to offer a storage tank, each downward folding of its both side edges stretches out a flanging, this press part is can articulate to be installed in this button and to hold in the storage tank of main body, its middle part has a junction, and an end of this connecting portion is provided with an articulated section, and this articulated section end has been bent to form a pressure section again downwards.

Compared with prior art, the utility model fastener of heat sink is by pushing press part, make the stressed back of its pressure section produce an elastic restoring force and closely be pressed on the radiator, thereby radiator is compressed and is fixed to an electronic building brick surface, and the connecting portion that only need rotate press part during dismounting dismounting fastener of heat sink easily, so this fastener of heat sink has and fastens closely and the advantage of easy accessibility.

With reference to the accompanying drawings, the utility model will be further described in conjunction with the embodiments.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model fastener of heat sink.

Fig. 2 is the three-dimensional combination figure of the utility model fastener of heat sink.

Fig. 3 is the solid assembling exploded view of the utility model fastener of heat sink and associated component.

Fig. 4 is the three-dimensional assembly diagram of the utility model fastener of heat sink and associated component.

[embodiment]

See also Fig. 1 and Fig. 2, the utility model fastener of heat sink 10 is washed off by sheet metal and forms, and it comprises that a button is held main body 20, a press part 60 and links up with 80.This button is held main body 20 middle parts and is provided with a crossbeam 24, and an end of this crossbeam 24 is rolled over downwards to stretch a button arm 26, and its other end is formed with one handle 28.The both side edges of this crossbeam respectively rolls over to stretch downward vertically a flanging 30, and the appropriate position at its middle part also offers a storage tank 32.This appropriate position of flanging 30 below storage tank 32 projection to the inside has a tab 36, this flanging 30 also is provided with a pivot hole 38 between button arm 26 and storage tank 32, this flanging 30 offers a pivot hole 40 away from the other end of button arm 26, and these button arm 26 ends also are formed with a clasp 42.

This press part 60 is to pivot to be installed in this button and to hold in the storage tank 32 of main body 20.These press part 60 middle parts are formed with a junction 62, and the lateral margin of these connecting portion 62 1 ends vertically bends out an operating portion 64, and the lateral margin of its other end and this operating portion 64 bend out an articulated section 66 in the same way.There is a driving rod 68 this articulated section 66 to each projection of its both sides, and its terminal downward angled pressure section 70 that bends out.Wherein this driving rod 68 is to pivot to be installed in this button and to hold in the pivot hole 38 of main body 20, is attached to button and holds on the main body 20 thereby this press part 60 pivoted.This connecting portion 62 also is provided with a hole clipping 72 at the end near operating portion 64, and this hole clipping 72 can match with the tab 36 that this button is held main body 20, holds on the main body 20 thereby this press part 60 is locked to button.Certainly, the mode that this hole clipping 72 cooperates with tab 36 also can be other structure, and as concavo-convex fit system etc., the position of this hole clipping 72, tab 36 also can mutual alternative.

This hook 80 mainly comprises a button arm 82, and a clasp 84 is extended in the end bending of this button arm 82, and its other end then respectively stretches out a fixed leg 86 to its both sides.This driving rod 86 is to be articulated in this button to hold in the pivot hole 40 of main body 20, fixedly is installed up to detain and holds main body 20 thereby should link up with 80.

Please consult Fig. 3 and Fig. 4 simultaneously, the utility model fastener of heat sink 10 is that to be used for that a radiator 120 is closely adhered to an electronic building brick 140 lip-deep.This radiator 120 comprises one with electronic building brick 140 substrate contacted 122 and by these pedestal 122 upwardly extending a plurality of radiating fins 124, and the center of top of these radiating fins 124 offers a groove 126.

This electronic building brick 140 is plugged on the socket 160, and the relative both side edges of this socket 160 respectively is provided with a clamping part 162.During assembling, earlier this fastener of heat sink 10 is placed in the groove 126 of radiator 120, make the clasp 42 of this button arm 26 and hook 80,84 correspondences are buckled in the clamping part 162 of socket 160, downward then press operating part 64, the hole clipping 72 of this press part 60 is matched with the tab 36 that this button is held main body 20, the pressure section 70 of this press part 60 can closely compress radiator 120, because articulated section 66 is articulated on the fastener main body, therefore the pressure of the pressure section 70 of 120 pairs of press parts 60 of radiator diminishes the angle between articulated section 66 and the pressure section 70, thereby produce an elastic restoring force, this elastic restoring force is resisted against radiator 120, make the crossbeam 24 of fastener main body 20 produce elastic deformation simultaneously, make clasp 42,84 hook clamping part 162, thereby radiator 120 is closely adhered on electronic building brick 140 surfaces.And the direction level of extending along tab 36 earlier when dismounting promotes operating portion 64, makes hole clipping 72 these buttons of disengaging of this press part 60 hold the tab 36 of main body 20, rotates up operating portion 64 again and just can easily this fastener 10 be separated radiator 120.

The utility model fastener of heat sink is not limited to the above embodiments, and wherein should link up with 80 also can be one-body molded with crossbeam 24, and this clasp 42,84 also can adopt structures such as fastening hole.When the radiator volume is big, also can adopt a plurality of fastener of heat sink 10 that radiator 120 is fastened on the stuck-module.

Claims (10)

1. one kind is used for a radiator is fixed on the electronic building brick surface fastener of heat sink with auxiliary heat dissipation, it comprises that a button holds a main body and a press part, wherein this button is held the main body middle part and is provided with a crossbeam, the two ends of this crossbeam are respectively to having a button arm, each bends out a flanging downwards its both side edges, it is characterized in that: this crossbeam in position locates to offer a storage tank, this press part is to pivot to be installed in this button and to hold in the storage tank of main body, this press part has a junction, one end of this connecting portion is provided with an articulated section, and this articulated section end has been bent to form a pressure section downwards.

2. fastener of heat sink as claimed in claim 1 is characterized in that: an end of above-mentioned crossbeam is provided with one handle.

3. fastener of heat sink as claimed in claim 1 is characterized in that: each projection has a driving rod to its both sides in the articulated section of above-mentioned press part.

4. fastener of heat sink as claimed in claim 3 is characterized in that: the appropriate position that above-mentioned button is held the main body flanging is provided with a pivot hole that pivots in order to ccontaining this driving rod within it.

5. fastener of heat sink as claimed in claim 1 is characterized in that: the appropriate position of above-mentioned press part connecting portion is provided with a hole clipping.

6. fastener of heat sink as claimed in claim 5 is characterized in that: the flanging that above-mentioned button is held main body is provided with a tab, and this tab can be connected in the hole clipping.

7. fastener of heat sink as claimed in claim 1 is characterized in that: the end of above-mentioned button arm is provided with a clasp.

8. fastener of heat sink as claimed in claim 1 is characterized in that: the button arm that above-mentioned button is held main body is articulated in crossbeam one end, and its both sides respectively stretch out a driving rod.

9. fastener of heat sink as claimed in claim 8 is characterized in that: an end of above-mentioned flanging is provided with a pivot hole, thereby can match with driving rod and should detain arm and fixedly be attached to button and hold main body in this pivot hole.

10. fastener of heat sink as claimed in claim 1 is characterized in that: the other end of above-mentioned connecting portion is provided with an operating portion.

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