CN2847528Y

CN2847528Y - Heat radiator buckle

Info

Publication number: CN2847528Y
Application number: CN 200520078173
Authority: CN
Inventors: 于建春
Original assignee: Mitac Precision Technology Kunshan Ltd
Current assignee: Mitac Precision Technology Kunshan Ltd
Priority date: 2005-11-25
Filing date: 2005-11-25
Publication date: 2006-12-13
Anticipated expiration: 2015-11-25

Abstract

The utility model relates to a buckle of a heat radiator, which is used for fastening a heat radiator on a heating element. The inserting end of one end of the buckle is inserted in a holding space of the heat radiator, and the other end of the inserting end is bent into a supporting arm for forming an elastic force with the inserting end to prevent the inserting end from sliding out of the holding space, the other end of the supporting arm bulges out of the side wall of the heat radiator to form an elastic arm which is arranged in a dip angle correspondingly to the surface of the heat radiator so that the elastic arm provides pressure for the heat radiator through the elastic deformation of the elastic arm, and a clamp hook on the other end of the elastic arm is clamped with a clamp ring on a back plate of the heat radiator. The buckle of the utility model is combined on the heat radiator in an inserting mode, the heat radiator and the heating element are fixed together, and because the buckle of a heat radiator has the advantages of simple structure and difficult damage to the heat radiator when assembled and disassembled, the utility model can be favorable for the reduction of manufacturing cost.

Description

Fastener of heat sink

[Ji Intraoperative field]

The relevant a kind of fastener of heat sink of the utility model is meant a kind of simple in structure, easy fastener of heat sink of loading and unloading especially.

[Bei Jing Ji Intraoperative]

High speed development along with computer and information technology, the integrated level of computer chip is more and more higher, the integrated of electronic devices and components also constantly strengthens, therefore its heat dissipation problem is also more and more outstanding, if the heat of electronic circuit can not get getting rid of timely and effectively (i.e. heat radiation), will influence the various parameters of electronic component, cause it can not steady operation even thoroughly burn.Therefore, various heat dissipation equipments meet the tendency and lead, and wherein air-cooled radiator is a most popular heat dissipation equipment on the market.Its structure be with a thermal conductivity preferably radiator be close to the bigger electronic component of caloric value, and make this radiator closely contact with this heater element by a fastener, fix a fan again in the top of fin, utilize modes such as heat conduction, cross-ventilation to be electronic element radiating, to realize preferable radiating effect.

Existing fastener of heat sink middle part is provided with one to the bridge part that deviates from this spreader surface direction projection, and these body two ends are protruded the radiator sidewall and are respectively formed an elasticity arm, the relative spreader surface of this elasticity arm is certain inclination angle and is provided with, and the end of this elasticity arm respectively is provided with a trip; Other has positioning piece, in order to being installed with this bridge part, and is fastened between the lug of two radiating fins, so that this fastener is combined on the radiator.During use, with the trip at fastener two ends respectively with the radiator motherboard near the diagonal angle snap ring be interlockingly connected, thereby this radiator button is fixed on the motherboard.

Yet though utilize above structure the fastener of heat sink button can be fixed on the heater element, still have following deficiency: this buckle structure is complicated, not only is difficult to hold the size angle, bothersome especially effort during assembling during moulding; And in case this fastener is pressed between the radiating fin, can't completely remove, be unfavorable for doing over again and reusing, not only increased production cost, more reduced production efficiency.

In view of this, be necessary to provide a kind of fastener of heat sink in fact, this fastener of heat sink is simple in structure, is convenient to punch forming and assembling; And if this fastener assembly failure, but hand disassembly makes it do over again again, is difficult for causing product rejection.

[summary of the invention]

Therefore, the purpose of this utility model promptly provides a kind of fastener of heat sink simple in structure, easy to loading and unloading.

For reaching above-mentioned purpose, the utility model provides a kind of fastener of heat sink, is used for the radiator button is fixed in heater element.The end that plugs of this fastener one end is inserted in the receiving space of this radiator, this other end that plugs end is bent into one and supports arm, in order to and this plug between the end and to form an elastic force, prevent that this from plugging end and skidding off this receiving space, this supports arm other end protrusion radiator sidewall and forms an elasticity arm, the relative spreader surface of this elasticity arm is certain inclination angle and is provided with, and this elasticity arm provides the pressure that puts on radiator by self elastic deformation for fastener, and the trip of this elasticity arm other end fastens with the snap ring that is somebody's turn to do on the radiator rear panel that looses, so that radiator and heater element button are solidified as a whole, make this radiator derive heat for this heater element.

Compared with prior art, the utlity model has the following advantage that showing: the utility model is combined into one fastener and radiator, and the radiator button is fixed on the heater element by the mode that end inserts the slot of radiator that plugs of fastener, be convenient to assembly and disassembly, thereby enhance productivity.

[description of drawings]

Fig. 1 is the assembled state figure of fastener of heat sink of the present utility model.

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

Fig. 3 is the assembled state figure of fastener of heat sink of the present utility model.

[embodiment]

See also Fig. 1, assembled state figure for fastener of heat sink of the present utility model, as shown in the figure, this radiator 20 comprises a base 21 and the some radiating fins 22 that extend on this base 21, this radiating fin 22 forms some grooves 23 when arranging, one location division 24 is formed respectively on groove 23 bottoms at the both sides relative position, form a receiving space in this location division 24, be used to be installed with these fastener 10 1 ends plug end 14, the trip 11 of these fastener 10 other ends fastens in order to the snap ring with heater element backboard (not illustrating), so that radiator and heater element (not illustrating) button are solidified as a whole, for this heater element is derived heat.

Please refer to Fig. 2, three-dimensional exploded view for fastener of heat sink of the present utility model, as shown in the figure, this radiator 20 comprises a base 21, the bottom surface of this base 21 is in order to fit tightly heater element so that heat is conducted to this radiator 20 from this heater element, and extend on the end face of this base 21 and be some radiating fins 22 that the square formation shape is arranged, these radiating fins 22 form some grooves 23 when arranging, wherein, protrude at two grooves, 23 bottoms of radiator 20 both sides relative positions and base 21 one-body moldedly and to set up a location division 24, caving in and form a receiving space in this location division 24, holds 14 in order to be installed with plugging of fastener 10.Preferably, this receiving space can be embodied as one on the bearing of trend of groove 23 and the slot 25 that is communicated with this groove 23, extrusion molding when being convenient to produce, and again, this receiving space also can be embodied as a through hole of offering on the bearing of trend of groove 23.Again, protrude in base 21 outsides at these radiating fin 22 two ends and to be provided with some interconnected projections 26, formation one locking groove 27 between these projections 26 and these radiating fins 22 two ends supports arm 13 in order to what be installed with fastener 10.

Again, this fastener 10 is by a body of rod punch forming, the one end plug end 14 slots 25 in order to be inserted in radiator 20, this plugs end 14 other ends and is bent to form one and supports arm 13, and this supports arm 13 and this and plugs angle between the end 14 greater than the angle between groove 23 and the locking groove 27, so that this supports arm 13 and be held in radiating fin 22 side faces at both ends in course of action, and and plug and form an elastic force between the end 14, prevent to plug end 14 and skid off slot 25, and this supports arm 13 finally being placed in the locking groove 27 in action, again, this other end that supports arm 13 protrudes radiator 20 sidewalls and is bent into an elasticity arm 12, and these elasticity arm 12 relative these radiators 20 are an angle of inclination and are provided with, provide the pressure that puts on radiator 10 by self elastic deformation for fastener 10, these elasticity arm 12 other ends are bent to form a trip 11, are used near the snap ring the diagonal angle on buckle radiator 20 backboards, to make this radiator 20 fit tightly, reach best radiating effect with heater element.

See also Fig. 3, when assembling for the assembled state figure of fastener of heat sink of the present utility model, earlier plugging of fastener 10 held in 14 slots 25 that insert respectively on the base 21, force in this fastener 10 then, order supports arm 13 and offsets with these radiating fin 22 side faces at both ends in rotary course, and this supports arm 13 and plugs and forms an elastic force between the end 14, prevent to plug end 14 and skid off slot 25, supporting arm 13 until this is located in the locking groove 27 fully, simultaneously elasticity arm 12 provides the pressure that puts on radiator 10 by self elastic deformation for fastener 10, continuation is with near the fastener 10 application of force diagonal angle of radiator 20, fasten until the snap ring of trip 11 with radiator 20 backboards, be about to radiator 20 and be solidified as a whole, and utilize the radiating fin 22 of this radiator 20 to derive heat for this heater element with the heater element button.

Compared to prior art, the utility model is by the mode that end 14 inserts the slot 25 of radiator 20 that plugs of fastener 10, fastener 10 and radiator 20 are combined into one, and radiator 20 button is fixed on the heater element, if fastener 10 assembly failures, dismantle very convenient and can not destroy the structure of radiator 20, thereby enhance productivity.

Claims

1, a kind of fastener of heat sink, in order to the radiator button is fixed in heater element, it is characterized in that: this fastener is by a body of rod punch forming, the end that plugs of one end is inserted in the receiving space of radiator, this other end that plugs end is bent into one and supports arm, this supports arm other end protrusion radiator sidewall and forms an elasticity arm, this trip that supports the arm other end fastens with the snap ring that is somebody's turn to do on the radiator rear panel that looses, so that radiator and heater element button are solidified as a whole, make this radiator derive heat for this heater element.

2, fastener of heat sink as claimed in claim 1, it is characterized in that: this radiator is made up of a base and the some radiating fins that extend on this base, these radiating fins are formed with groove when arranging, and the channel bottom on the relative position of both sides respectively with the integrally formed location division of this base, and caving in and form a receiving space in this location division, is used to accommodate the end that plugs of this fastener.

3, fastener of heat sink as claimed in claim 1 is characterized in that: the chassis outer side at these radiating fin two ends is protruded and is provided with some interconnected projections, forms a locking groove between this projection and this radiating fin two ends, is used for the arm that supports of ccontaining fastener.

4, fastener of heat sink as claimed in claim 1, it is characterized in that: this supports arm and this and plugs angle between the end greater than the angle between receiving space and the locking groove, so that this supports arm and be held in the radiating fin side faces at both ends in course of action, to form and to plug the elastic force between the end, prevent that this from plugging end and skidding off this receiving space, and finally be placed in the locking groove.

5, fastener of heat sink as claimed in claim 1 is characterized in that: the relative spreader surface of this elasticity arm is certain inclination angle and is provided with, and provides the pressure that puts on radiator for fastener by self elastic deformation.

6, fastener of heat sink as claimed in claim 2 is characterized in that: this receiving space is a through hole of offering on the bearing of trend of groove.

7, fastener of heat sink as claimed in claim 2 is characterized in that: this receiving space is a slot that is communicated with this groove on the bearing of trend of groove.