CN2433664Y - Fastening device for heat sink - Google Patents

Abstract

The utility model relates to a fastening device of a radiator. The utility model comprises a fastener and a pushing body, wherein, the center of the fastener is horizontally provided with a supporting section, one lateral margin of the supporting section is perpendicularly and downwards extended by a certain distance and then horizontally extended to form a pair of guiding sections, a slot is formed between the guiding sections and the supporting section, both ends of the supporting section are respectively upwards inclined and extended to form an arm section, and the end of each arm section is downwards inclined and extended to form a buckling section; the pushing body which can be transversely inserted into the slot of the fastener is provided with an operating section and a connecting section which are mutually and perpendicular and connected, the center of the other lateral margin which is relative to the lateral margin which is connected with the operating section of the connecting section is reversely bent and extended to form a bending section, and the width of the bending section is slightly smaller than the distance between two guiding sections of the fastener.

Description

Buckling device of radiator

The utility model mainly is about a kind of buckling device of radiator, especially convenient about a kind of dismounting, the button solid buckling device of radiator that keeps steady.

Existing buckling device of radiator is generally single-piece, and as shown in Figure 1, this buckling device 110 is mainly by a pressure section 114 and be positioned at pressure section 114 two ends and first buckling body 112 and second buckling body 118 of bending are constituted in the same way down.Wherein be formed with a square opening (not label) near the end of this first buckling body 112 and second buckling body 118 respectively, be snapped in respectively on the corresponding grab (figure does not show) of associated component, this pressure section 114 then compresses heat abstractor in order to elasticity, so that heat abstractor closely contacts with central processing unit (figure does not show).Near the position of contiguous binding pressure section 114, the both sides of this second buckling body 118 further oppositely bend up and form the operating portion 116 that an approximate horizontal is extended endways inwardly, for pushing use.During assembling, buckling device 110 is tilted to insert, the square opening of shilling first buckling body 112 withholds corresponding grab, and afterwards, press operating part 116 is so that the square opening of second buckling body 118 withholds another corresponding grab again.Because these operating portion 116 approximate horizontal are extended, so when mounting or dismounting, need to clamp simultaneously the end face and the bottom surface of operating portion 116, second buckling body 118 is opened outwardly and make and reach buckle or remove buckle between square opening and the corresponding grab on it with two fingers, very inconvenient in the operation.

Figure 2 shows that another existing buckling device of radiator 120, it comprises main component 130 and the swing component of separately making 140.This main component 130 has first buckling body 132, pressure section 134 and junction surface 136 in regular turn, and this junction surface 136 is forked, to engage with swing component 140.This swing component 140 has second buckling body 142, conjugate foramen 144 and operating portion 146, and this conjugate foramen 144 inserts to reach joint for the forked junction surface 136 of main component 130.To hold strength limited for the button of the buckling device of radiator 120 that forms but this kind is engaged with each other with two members, very easily causes loose contact between heat abstractor and the central processing unit and influence radiating effect.In addition, but because swing component 140 is a swing type, so under vibrations or the effect of unexpected property external force, come off because of the grab of improper outer pendulum from correspondence most probably.Also have, this main component 130 that utilizes junction surface 136 and conjugate foramen 144 to reach to be engaged with each other and swing component 140 also have the risk that is disengaged from each other under vibrations or the situation of being impacted.

In addition, at United States Patent (USP) the 5th, 602,719,5,600, in the cases such as No. the 85211135th, 85214941, No. 540 and Taiwan patented claim, also there is similar buckling device of radiator to disclose, but all has similar problem.

The purpose of this utility model is to provide that a kind of dismounting is convenient, the button solid buckling device of radiator that keeps steady.

The technical solution of the utility model is: the utility model buckling device of radiator comprises that mainly a buckling body and pushes body.Wherein this buckling body central horizontal is provided with one by branch, should dash by one in the branch and set out the fin that one day, declivity was stretched, should by branch's vertical again bending after the earlier vertical bending of one lateral margin is extended a segment distance downwards extend horizontally away a pair of with should lean on the parallel relative guidance part of branch, this is formed with a slot to guidance part and by between the branch, should extend an arm respectively obliquely by vertical two ends of branch, a snapping portion is extended in the then oblique bending down of the end of each arm, offers a button hole in this snapping portion; This pushes body and can laterally cooperate in the slot that inserts buckling body, have the operating portion and the connecting portion that are vertically connected to one another, offer an elongate slots on this connecting portion, in order to match with the fin of buckling body, this connecting portion is in another lateral margin central authorities with respect to attended operation portion, oppositely bending is extended a width and is slightly less than on the buckling body this to the bend of the distance between guidance part, forms a circular arc guiding face in reverse bending place simultaneously.

Owing to adopted technique scheme, advantage such as it is solid to the utlity model has that dismounting is convenient, button keeps steady.

Fig. 1 is the stereographic map of existing buckling device of radiator.

Fig. 2 is the stereographic map of another existing buckling device of radiator.

Fig. 3 is the three-dimensional exploded view of the utility model buckling device of radiator.

Fig. 4 is the cut-open view along IV among Fig. 3-IV line.

Fig. 5 is the unit assembly drawing of the utility model buckling device of radiator and associated component.

Fig. 6 is the three-dimensional combination figure of the utility model buckling device of radiator and associated component.

Please consult Fig. 3 and Fig. 4 simultaneously, the utility model buckling device of radiator 10 comprises that mainly a buckling body 12 and pushes body 14.

The central horizontal of this buckling body 12 is provided with one by branch 20, should dash by one in the branch 20 and set out the fin 21 (please refer to Fig. 4) that one day, declivity was stretched, should by branch 20 vertical again bending after the earlier vertical bending of one lateral margin is extended a segment distance downwards extend horizontally away a pair of with should lean on branch's 20 parallel relative guidance parts 22, this is formed with a slot 24 to guidance part 22 and by between the branch 20, in order to the ccontaining body 14 that pushes, should extend an arm 26 respectively obliquely by vertical two ends of branch 20, the end of each arm 26 then bends and extends a snapping portion 28 downwards, offer a button hole 30 on it, in order to framework 60 both sides on projection 62 be clasped (please refer to Fig. 5).

This pushes body 14 and can laterally cooperate in the slot 24 that inserts buckling body 12, has the operating portion 40 and the connecting portion 42 that are vertically connected to one another, the point of application when this operating portion 40 can be as operation; This connecting portion 42 can the slot 24 of laterally inserted buckling body 12 in, offer an elongate slots 43 on it, to cooperate (describing in detail as the back) with the fin 21 of buckling body 12, this connecting portion 42 is in another lateral margin central authorities with respect to attended operation portion 40, oppositely bending is extended a width and is slightly less than on the buckling body 12 this to the bend 46 of the distance of 22 of guidance parts, simultaneously form a circular arc guiding face 44, and these bend 46 self-aiming faces 44 extend towards having a down dip slightly and gradually away from connecting portion 42 in reverse bending place; When in the slot 24 that pushes body 14 laterally inserted buckling bodies 12, the end of the bend 46 that this summary is extended towards having a down dip will be positioned at this and can replace heating radiator 50 (describing in detail as the back) to the below, bottom surface of guidance part 22.

Please also refer to Fig. 5 and Fig. 6, during assembling, earlier with central processing unit (because of angle close can't find expression in graphic in) be installed on the connector 70.Then, install a framework 60 respectively in the appropriate location on connector 70 both sides, this framework 60 can be directly fixed on the circuit board 80 and roughly be the U font, the geomery that 60 one common peripheral of this two framework lay out matches with the pedestal 52 of heating radiator 50, the two ends of each framework 60 are respectively equipped with one can supply the projection 62 of button hole 30 buckles in the buckling body 12 snapping portions 28, and is formed with one on the side for the breach 64 in the slot 24 that pushes body 14 laterally inserted buckling bodies 12.Afterwards, heating radiator 50 is placed on the central processing unit end face, this moment, the pedestal 52 of this heating radiator 50 was placed in framework 60 inner edges, and the end face of this pedestal 52 is a little less than framework 60 end faces but be higher than breach 64 root edges, in addition, pedestal 52 end faces of this heating radiator 50 are provided with some radiating fins 54, and in the both sides of the edge of associated frame members 60 elongate area, the end face of this pedestal 52 is not provided with radiating fin 54 and directly exposes.Then, be installed in the buckling body 12 of buckling device of radiator 10 on the framework 60 and make the corresponding respectively projection 62 of accommodating framework 60 two ends of button hole 30 in the buckling body 12 snapping portions 28.At last, to push in the slot 24 of body 14 laterally inserted buckling bodies 12 by the guide function that pushes body 14 circular arc guiding faces 44, this moment, this end face that pushes body 14 connecting portions 42 upwards propped up the bottom surface of buckling body 12 by branch 20, bend 46 ends that push body 14 then prop up pedestal 52 end faces of heating radiator 50, because of this bend 46 that pushes body 12 is that self-aiming face 44 slightly extends gradually away from connecting portion 42 towards having a down dip, so in the process of the slot 24 that pushes body 14 laterally inserted buckling bodies 12, the cause that this connecting portion 42 that pushes body 14 will prop up heating radiator 50 pedestals 52 end faces because of bend 46 is moved on gradually, and then upwards prop up buckling body 12 by branch 20 and drive buckling body 12 and move up, with moving on the button hole 30 in the seasonal buckling body 12 snapping portions 28 and the projection 62 at fastening framework 60 two ends and finish assembling.In pushing the laterally inserted process of body 14, this buckling body 12 snaps in correspondence in the elongate slots 43 that pushes body 14 connecting portions 42 by the fin 21 in the branch 20, and can in this elongate slots 43, relatively move, push the laterally inserted of body 14 to guide this, in addition, by the structural design that fin 21 is stretched towards declivity, more can guarantee engaging of 43 of fin 21 and elongate slots and prevent to push body 14 on buckling body 12, to break away from.

During dismounting, can make by the application of force on the operating portion 40 that pushes body 14 and push body 14 and laterally outwardly move, up to the inner end edge contact buckling body 12 that pushes the elongate slots 43 on body 14 connecting portions 42 by the fin 21 in the branch 20 tiltedly stretch end, this moment, this fin 21 still was positioned at elongate slots 43.By pushing laterally outwardly moving of body 14, can reduce buckling body 12 gradually, push body 14 and heating radiator 50 between any two compress strength, can reduce the fastening degree of 62 of the projections of button hole 30 in the buckling body 12 snapping portions 28 and framework 60 simultaneously.Afterwards, pull the snapping portion 28 of buckling body 12 more outwardly, make the button hole 30 in the snapping portion 28 promptly finish dismounting from projection 62 disengagings of framework 60.

Claims (10)

1. buckling device of radiator, comprising: a buckling body and pushes body.It is characterized in that: the central horizontal of this buckling body is provided with one by branch, should extend an arm respectively obliquely by vertical two ends of branch, and the end of each arm then bends and extends a snapping portion that offers a button hole on it downwards; This pushes body has one and can laterally cooperate and insert the connecting portion of buckling body by the branch below.

2. buckling device of radiator as claimed in claim 1 is characterized in that: this lateral margin that pushes the connecting portion of body oppositely bends and extends the bend that a self-reversal bending place tilts to extend away from connecting portion gradually.

3. buckling device of radiator as claimed in claim 2 is characterized in that: this crooked position that pushes body is in the connecting portion below.

4. buckling device of radiator as claimed in claim 2 is characterized in that: this bend that pushes body be from the lateral margin of connecting portion central authorities oppositely bending extend and its width less than the width of connecting portion.

5. buckling device of radiator as claimed in claim 2 is characterized in that: this pushes body and forms a circular arc guiding face in the reverse bending place of connecting portion and bend.

6. buckling device of radiator as claimed in claim 2 is characterized in that: this connecting portion that pushes body with respect to the opposite side marginal lappet that connects bend straight crooked up extend one can be as the operating portion of the operation point of application.

7. connector buckling device as claimed in claim 2 is characterized in that: this buckling body by vertical again bending behind a lateral margin of the branch vertical earlier bending the extension downwards segment distance extend horizontally away a pair of with should by branch parallel relative and and this lean between the branch and be formed with one in order to the ccontaining guidance part that pushes the slot of body.

8. connector buckling device as claimed in claim 7 is characterized in that: this is slightly larger than the width that pushes the body bend to the distance between guidance part.

9. as claim 1,2,3,4,5,6,7 or 8 described buckling device of radiator, it is characterized in that: this pushes on the connecting portion of body and offers an elongate slots.

10. connector buckling device as claimed in claim 9 is characterized in that: this buckling body be provided with a fin in order to cooperate blocking to push the elongate slots on the body connecting portion and stretch by branch towards declivity.

Images