CN2567935Y

CN2567935Y - Fastening device of heat sink

Info

Publication number: CN2567935Y
Application number: CN 02271976
Authority: CN
Inventors: 李学坤; 李冬云; 张志杰
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2002-07-18
Filing date: 2002-07-18
Publication date: 2003-08-20
Anticipated expiration: 2012-07-18

Abstract

The utility model relates to a fastening device for a radiator, which comprises a back plate, a fastening utensil and a screw. The back plate and a radiator can be respectively fixed to both sides of a mainboard by the fastening utensil and the screw, wherein the back plate is provided with a base plate, both ends of the base plate are respectively extended upwards to form a fixing column, and the upper end of either fixing column is provided with a concave part. The fastening utensil is provided with a horizontal main body part, a hollow cylinder is extended upwards from the middle part of the main body part, and screw threads are threaded in the cylinder; both ends of the main body part are respectively outwards and obliquely upwards extended to form a fastening part, and either fastening part is respectively provided with a positioning hole and a clamping and fastening hole corresponding to the fixing columns on both ends of the back plate; the positioning hole is communicated with the clamping and fastening hole, the magnitude of the diameters of the positioning holes is matched with the magnitude of the diameters of the fixing columns on both ends of the back plate, and the magnitude of the diameters of the clamping and fastening holes is matched with the magnitude of the diameters of the concave parts on the upper ends of the fixing columns.

Description

Buckling device of radiator

[technical field]

The utility model is about a kind of buckling device of radiator, is meant especially that a kind of power of fastening can be regulated and can produces the buckling device of radiator of bigger fastening power.

[background technology]

Existing buckling device of radiator kind is a lot, as United States Patent (USP) the 6th, 141, is wherein a kind of shown in No. 220.This buckling device of radiator comprises a backboard 3, one radiator 1 and some fasteners 2, this backboard 3 has a

flat board

31,31 4 jiaos of ends of this flat board upwards extend a fixed leg 32 respectively, each fixed leg 32 upper end is equipped with a recess 321, each fastener 2 all has a horizontal main part, each main part two ends respectively upwards punching press form a shell fragment 24, the fixed leg 32 of 3 four jiaos of ends of each shell fragment 24 corresponding backboard is offered a location hole 22 and a block button hole 241 respectively, this location hole 22 and this block button hole 241 are connected by a sliding tray 23, and the block button hole 241 of the recess 321 by these backboard 3 fixed legs 32 and the shell fragment 24 of this fastener 2 is clasped mutually and this radiator 1 can be installed on the motherboard 4.But, along with central processing unit (CPU) develops towards high speed and high performance, the heat of its generation is more and more, required radiator is also increasing, keep closely contact to reach preferable thermal conduction effect between central processing unit and the radiator in order to make, used buckling device of radiator needs to produce bigger fastening power, existing buckling device of radiator is by the elastic force of the shell fragment 24 deformation generation of fastener 2 this backboard 3 and this radiator 1 to be installed in a motherboard 4 both sides respectively, this elastic force is less, undesirable, and with respect to can not adjusting this elastic force as requested to an optimum value with a radiator, and can not make this radiator 1 and this motherboard 4 be in best buckling state.

[summary of the invention]

The purpose of this utility model is to provide a kind of fastening power can regulate and can produce the buckling device of radiator of bigger fastening power.

The purpose of this utility model is achieved through the following technical solutions: the utility model buckling device of radiator comprises a backboard, a fastener and a screw.Wherein, this backboard has a substrate, and these substrate two ends extend upward respectively and form a fixed leg, and each fixed leg upper end is equipped with a recess, and the diameter of this recess is less than the diameter of this fixed leg; This fastener has a main part, the appropriate location of this main part extends a hollow circular cylinder, the fixed leg of the corresponding backboard of this fastener is offered a location hole and a block button hole respectively, this location hole and this block button hole are connected, and the diameter of the diameter of this location hole and backboard fixed leg matches, the diameter of the diameter of this block button hole and backboard fixed leg recess matches, and this screw and this fastener match and this backboard and a radiator can be separately fixed at motherboard both sides.

Compared with prior art, the utility model buckling device of radiator has the advantage that fastening power can be regulated and can produce bigger fastening power.

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 buckling device of radiator and associated component.

Fig. 2 is the radiator three-dimensional cutaway view of the utility model buckling device of radiator.

Fig. 3 is the three-dimensional combination figure of the utility model buckling device of radiator and associated component.

[embodiment]

Please consult Fig. 1 to Fig. 3 together, the utility model buckling device of radiator comprises a backboard 10, a fastener 20 and a screw 40, this backboard 10 and a radiator 50 can be installed in a motherboard 60 both sides respectively by this fastener 20 and this screw 40.Wherein, these motherboard 60 tops are equiped with a connector 61, plug a central processing unit 63 on this connector 61, and this motherboard 60 is offered a through hole 65 respectively in these connector 61 both sides.

This backboard 10 has a substrate 11, and the through hole 65 of these substrate 11 two ends respective hosts plates 60 extends upward respectively and forms a fixed leg 13, and each fixed leg 13 upper end is equipped with a recess 15, and the diameter of this recess 15 is less than the diameter of fixed leg 13.

This fastener 20 has a horizontal main part 23, upwards extend a hollow circular cylinder 25 in the middle of this main part 23, these cylinder 25 inside fire attacks are provided with screw thread (not label), these main part 23 two ends outwards also extend to form a buckling parts 29 respectively obliquely, the both sides of this main part 23 and this buckling parts 29 are bent to form a Turn up hem 21 respectively downwards, be used for strengthening the intensity of this fastener 20, the fixed leg 13 at each buckling parts 29 corresponding backboards 10 two ends is offered a location hole 31 and a block button hole 33 respectively, this location hole 31 and this block button hole 33 are connected, the diameter of the diameter of this location hole 31 and backboard 10 two ends fixed legs 13 matches, and the diameter of the diameter of this block button hole 33 and these fixed leg 13 upper end recesses 15 matches.

This radiator 50 has a pedestal 51, the through hole 65 of these pedestal 51 respective hosts plates 60 is respectively equipped with a perforation 52, these pedestal 51 central authorities offer a groove 53, some radiating fins parallel to each other 55 are sticked on the pedestal 51 of these groove 53 both sides, interference fit one stainless steel metal cover 57 in this groove 53, this stainless steel metal overlaps 57 central authorities and is provided with a depression 59, be used for and above-mentioned screw 40 cooperates usefulness, this screw 40 directly contact generation aluminium with radiator 50 pedestals 51 and considers and cause motherboard 60 short circuits to be worth doing when preventing DRIVE SCREWS 40.

During assembling, in advance the fixed leg 13 at these backboard 10 two ends is continued to pass through the perforation 52 of the through hole 65 of this motherboard 60 and this radiator 50 and this backboard 10 is sticked at this motherboard 60 back sides, then, the location hole 31 of these fastener 20 buckling partss 29 is inserted in recess 15 places of the fixed leg 13 of these backboard 10 both sides to fixed leg 13, then, this fastener 20 is moved and the block button hole 33 of these fastener 20 buckling partss 29 is buckled in the recess 15 of this fixed leg 13 to the side, at last, this screw 40 is screwed in the cylinder 25 in the middle of this fastener 20, and these screw 40 lower ends are pressed in the depression 59 of stainless steel metal cover 57 of these radiator 50 pedestals 51 central authorities.The screw-in degree of adjusting screw 40 as requested can obtain required fastening power, thereby this backboard 10 and this radiator 50 are fastened on this motherboard 60 both sides respectively.

Claims

1. buckling device of radiator, comprise a backboard, a fastener and a screw, this backboard and a radiator can be separately fixed at motherboard both sides by this fastener and this screw, it is characterized in that: this backboard has a substrate, this substrate extends upward and forms the plurality of fixed post, each fixed leg is equipped with a recess, and the diameter of this recess is less than the diameter of this fixed leg; This fastener has a main part, the appropriate location of this main part extends a hollow circular cylinder, the fixed leg of the corresponding backboard of this fastener is offered a location hole and a block button hole respectively, this location hole and this block button hole are connected, and the diameter of the diameter of this location hole and backboard fixed leg matches, and the diameter of the diameter of this block button hole and backboard fixed leg recess matches.

2. buckling device of radiator as claimed in claim 1 is characterized in that: this fixed leg is located at the two ends of this substrate.

3. buckling device of radiator as claimed in claim 2 is characterized in that: this recess is located at the fixed leg upper end of backboard.

4. buckling device of radiator as claimed in claim 1 is characterized in that: this cylinder upwards is arranged on the centre of main part.

5. buckling device of radiator as claimed in claim 4 is characterized in that: this cylinder inside fire attack is provided with one and is used for the screw thread that cooperates with screw.

6. buckling device of radiator as claimed in claim 1 is characterized in that: these main part two ends stretch out respectively and form a buckling parts.

7. buckling device of radiator as claimed in claim 6 is characterized in that: this location hole and this block button hole are opened on the buckling parts of fastener.

8. buckling device of radiator as claimed in claim 6 is characterized in that: the main part of this fastener and buckling parts both sides are bent to form a Turn up hem that is used for strengthening this fastener intensity respectively downwards.

9. buckling device of radiator as claimed in claim 1, it is characterized in that: the radiator that this buckling device of radiator fastened has a pedestal, and these pedestal central authorities offer a groove, interference fit one stainless steel metal cover in this groove.

10. buckling device of radiator as claimed in claim 9 is characterized in that: this stainless steel metal cover central authorities are provided with one and are used for the depression that cooperates with screw.