CN2528051Y - Radiator combination - Google Patents

Abstract

Disclosed is a heat dissipating device combination, which comprises a fastening device, a radiator, an integrated circuit and a circuit board. The integrated circuit is arranged on the circuit board; a notch is arranged in preset respectively at the two relative side edges of the circuit board for locking with the fastening device to attach the radiator closely on the surface of the integrated circuit; the fastening device is arranged across above the radiator and comprises a centre part whose two ends extend respectively obliquely upward to form elastic arms, wherein a long hook arm is extended from the end of one elastic arm downward; the free end of the long hook arm is bended inward and a long fastening hook is extended from the free end of the long hook arm; a short hook arm relatively shorter is extended from the end of the other elastic arm downward; the free end of the short hook arm is bended inward and a short fastening hook relatively shorter matched with the long fastening hook is extended from the free end of the short hook arm.

Description

The heat abstractor combination

[technical field]

The utility model is about the combination of a kind of heat abstractor, refer in particular to a kind of simple in structure, that mounting or dismounting are convenient, button keeps steady is solid, and is convenient to the heat abstractor combination of circuit board high-density wiring.

[background technology]

At present, integrated circuit such as microprocessor internal adopt the design of high density integrated circuit mostly, will produce a large amount of heats in narrow and small zone.Therefore, industry is used for assisting heat radiation at the integrated circuit surface heat abstractor that is sticked usually, and heat abstractor early adopts permanent fixation mode (as the heat-conducting glue cementation etc.) to be combined in integrated circuit surface mostly.But the permanent fixed form of this heat abstractor causes it to remove smoothly from integrated circuit surface, thereby influences the maintenance or the upgrading of integrated circuit, so this also imperfect act.

For addressing the above problem, industry was used mechanical means afterwards instead heat abstractor was combined in integrated circuit surface, replaced permanent fixed combination early.This mechanical fixation formula heat abstractor combination can be with reference to figure 4, and this heat abstractor combination is installed in an integrated circuit 3 surfaces by a wire fastener 1 with a heating radiator 2.Wherein this integrated circuit 3 is arranged on the circuit board 4, and on the circuit board 4 at these integrated circuit 3 diagonal angles, respectively offer a button hole 5, be used for being clasped with this fastener 1, and a button arm 6 is respectively established at the two ends of this wire fastener 1, two button arms 6 by this fastener 1 cooperate with corresponding button hole 5 plug-in cards of this circuit board 4, this heating radiator 2 closely can be sticked on these integrated circuit 3 surfaces.But the combination of this class heat abstractor need be offered at least two button holes on circuit board, is unfavorable for considering of wire laying mode and density on the circuit board.

[summary of the invention]

The purpose of this utility model be to provide a kind of simple in structure, that mounting or dismounting are convenient, button keeps steady is solid, and is convenient to the heat abstractor combination of circuit board high-density wiring.

The purpose of this utility model is achieved through the following technical solutions: the combination of the utility model heat abstractor comprises a fastener, a heating radiator, an integrated circuit and a circuit board.This integrated circuit is installed on this circuit board, and this heating radiator is sticked in integrated circuit surface, and this circuit board two opposite sides edge is offered a notch respectively in advance, is used for being clasped with this fastener and this heating radiator being fitted tightly in integrated circuit surface.This fastener then is crossed on this heating radiator top, mainly comprise a central portion, these central portion two ends extend to form an elastic arm respectively obliquely, and wherein an elastic arm end extends a long hook arm downwards, and the free end of this long hook arm bends inwards and extends a long clasp; Another elastic arm end then extends a relatively short short hook arm downwards, and the free end of this weak point hook arm bends inwards and extends an and relative short short clasp corresponding with long clasp.

Compared with prior art, the utility model heat abstractor combination by the default notch of this circuit board both side edges and this fastener corresponding matching with the realization buckle, and need not on circuit board, to be provided with separately fixed orifice, and this fastener adopts the moulding of metal sheet integrated punching, make quite simple, help cost and consider, there have more that mounting or dismounting are convenient, button keeps steady to be solid, is convenient to the advantage of circuit board high-density wiring.

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

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model heat abstractor combination.

Fig. 2 is the stereographic map of the fastener of the utility model heat abstractor combination.

Fig. 3 is the three-dimensional combination figure of the utility model heat abstractor combination.

Fig. 4 is the three-dimensional combination figure of traditional heat-dissipating device combination.

[embodiment]

See also Fig. 1, the combination of the utility model heat abstractor comprises a fastener 10, a heating radiator 30, an integrated circuit 40 and a circuit board 50.Wherein, this heating radiator 30 is sticked on this integrated circuit 40 surfaces, and it mainly comprises a base 32 and some from the upwardly extending radiating fin 34 of these base 32 end faces, and runs through in these radiating fin 34 central authorities and to offer a groove 36, is used for ccontaining this fastener 10.40 of this integrated circuit are installed on this circuit board 50; In addition, be provided with a notch 52 respectively, be used for being clasped, thereby this heating radiator 30 is fitted tightly on integrated circuit 40 surfaces with fastener 10 at the two opposite sides of this circuit board 50 edge.

Please together consult Fig. 2, this fastener 10 comprises a central portion 11 by the moulding of metal sheet integrated punching, and these central portion 11 two ends extend to form an elastic arm 14 respectively obliquely; Wherein an elastic arm 14 ends extend a long hook arm 16 downwards, and the free end of this long hook arm 16 bends inwards and extends a long clasp 17; Another elastic arm 14 ends then extend a relatively short short hook arm 18 downwards, the free end of this weak point hook arm 18 bend inwards extend one with long clasp 17 corresponding and relative short clasps 19 than weak point; In addition, this long hook arm 16, short hook arm 18 all be circular-arc with the junction of elastic arm 14, this long clasp 17 and the tail end of lacking clasp 19 little the sticking up that make progress.In addition, this central portion 11 comprises that one is positioned at the section of compressing 12 of horizontal level, and this section of compressing 12 two ends stretch out respectively, and little formation two stretch sections 13 that stick up that make progress, and these stretch sections 13 link to each other with the elastic arm 14 of corresponding end respectively.The width of this central portion 11 is slightly narrower than this elastic arm 14, and each elastic arm 14 with connection stretch section 13 junction all form a shoulder shape portion 20; The width of this central portion 11 also slightly is narrower than the width of heating radiator 30 grooves 36, is placed in the groove 36 thereby be convenient to this fastener 10.In addition, be respectively equipped with a vertical stiffening rib 22 in the appropriate position that this central portion 11, part elastic arm 14 and long hook arm 16, short hook arm 18 are connected with elastic arm 14.

Continue to see also Fig. 3, during assembling, at first this heating radiator 30 is placed on this integrated circuit 40 surfaces, again this fastener 10 is arranged in the groove 36 of this heating radiator 30, and the section of compressing 12 that makes its central portion 11 is resisted against this heating radiator 30 bases 32 surfaces, and the shoulder shape portion 20 of its elastic arm 14 is resisted against respectively on the fin 34 of these heating radiator 30 grooves 36 outer ends just, prevents that these heating radiator 30 relative fasteners 11 from vertically moving.Then, the long clasp 17 of this fastener 10 is inserted notch 52 corresponding on the circuit board 50, pushing its short hook arm 18 ends again moves down, outwards pull simultaneously this weak point clasp 19, in position decontrol short clasp 19, this weak point clasp 19 is buckled in another notch 52 of this circuit board 50, promptly finish snap assembled and this heating radiator 30 is fitted tightly on this integrated circuit 40.

Claims (10)

1. heat abstractor combination, comprise a circuit board, a heating radiator and a fastener, be equiped with an integrated circuit on this circuit board, this heating radiator is sticked in this integrated circuit surface, this fastener is crossed on this heating radiator top, and it is characterized in that: this circuit board two opposite sides edge offers a notch respectively; This fastener mainly comprises a central portion, these central portion two ends extend to form an elastic arm respectively obliquely, each elastic arm end extends a hook arm downwards, and corresponding respectively the bending inwards of the free end of these hook arms forms a corresponding clasp that is clasped of notch that is used for circuit board.

2. heat abstractor combination as claimed in claim 1, it is characterized in that: this fastener is by a metal sheet integrated punching moulding.

3. heat abstractor combination as claimed in claim 1 is characterized in that: two hook arm lengths differences of this fastener, and the clasp that longer hook arm free end forms is longer, and the clasp that shorter hook arm free end forms is then shorter.

4. as claim 1 or the combination of 3 described heat abstractors, it is characterized in that: the clasp tail end of this fastener little the sticking up that make progress.

5. as claim 1 or 3 described heat abstractor combinations, it is characterized in that: the junction of this fastener hook arm and elastic arm is circular-arc.

6. heat abstractor combination as claimed in claim 1, it is characterized in that: this fastener central portion comprises that one is positioned at the section of compressing of horizontal level, these section of compressing two ends stretch out respectively, and little the sticking up that make progress forms two stretch sections that link to each other with the elastic arm of corresponding end respectively.

7. heat abstractor as claimed in claim 1 combination is characterized in that: this heating radiator comprises a base and somely extends upward the radiating fin of formation from this susceptor surface, and runs through in these radiating fin central authorities and to offer a groove that is used for ccontaining this fastener.

8. heat abstractor combination as claimed in claim 7, it is characterized in that: the central portion of this fastener is slightly narrower than the groove width of this heating radiator, and it be able to easily put into the groove of this heating radiator.

9. as claim 1 or 7 described heat abstractor combinations, it is characterized in that: the central portion width of this fastener is slightly narrower than elastic arm, and forms a shoulder shape portion respectively in the junction of this central portion and each elastic arm.

10. heat abstractor as claimed in claim 1 combination is characterized in that: the appropriate location that this fastener central portion, part elastic arm and hook arm are connected with elastic arm all is provided with a stiffening rib longitudinally.

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