CN2788354Y

CN2788354Y - Heat sink assembly

Info

Publication number: CN2788354Y
Application number: CN 200520001315
Authority: CN
Inventors: 胡军良
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2005-01-21
Filing date: 2005-01-21
Publication date: 2006-06-14
Anticipated expiration: 2015-01-21

Abstract

A heat sink assembly comprising: two fixing devices, a heat dissipation device and two buckles. Two ends of the fixing device are respectively provided with a hook in a protruding way. The heat sink includes a base and a plurality of heat dissipation fins. The buckle comprises a body and an operation body. The body is provided with a pressing part in the center, two ends of the pressing part are respectively bent to form an elastic arm, one elastic arm is bent to extend out of a buckling arm provided with a locking hole, and the other elastic arm is bent to form an assembling arm. The operation body comprises two pivoting parts, a locking part and an operation part, one end of each of the two pivoting parts is pivoted with the tail end of the assembling arm, the locking part is connected to the same side of the two pivoting parts, the operation part is formed by bending and extending the other end of the two pivoting parts, and a groove is formed between the assembling arm and the locking part of the operation body after the operation body is assembled to the body. The two hooks of the fixing device can be respectively hooked and fixed in the locking hole and the groove of the buckle, and the pressing part of the buckle presses against the heat sink. The heat sink assembly has the advantages of convenient assembly and disassembly and stable fastening.

Description

The heat abstractor combination

Technical field

The utility model relates to a kind of heat abstractor combination, relates in particular to a kind of heat abstractor combination that radiating fin influences radiating effect of installing and removing convenience, fasten firmly and need not cut.

Background technology

Along with integrated circuit develops towards densification, complicated direction, the heat that its electronic devices and components produced in when work also increases severely thereupon, and the components and parts temperature is raise, and the operate as normal of components and parts is exerted an influence.Temperature when wherein, central processing unit is worked is high especially.Therefore, heat abstractor must be installed to guarantee central processing unit operate as normal under suitable temperature.

Traditional heat abstractor adopts a fastener that it is locked on circuit board usually, buckle structure as No. 90201183 described heat abstractor of Taiwan patent application, comprise a body, each bending downwards that is inclined upwardly earlier again of one end of this body is extended with the solid arm of a button, the end of the solid arm of this button offers a fastening hole, this fastening hole top stamps out a slit, the other end of this body is inclined upwardly earlier to bend downwards to extend again and is provided with the solid arm of a hook, the end of the solid arm of this hook is offered the solid hole of a hook, the middle part of the solid arm of this hook tabs that stretches out is offered a slit on the tabs.This central processing unit has a socket, and each establishes a grab to evagination the opposite end of this socket.Offer a groove in the middle of the radiating fin of this radiator, this body is withheld in this groove.When fastener is installed, earlier this body is placed in this groove, allows a grab of socket be hooked in this fastening hole, push the solid arm of this hook then downwards, allow another grab of this socket be hooked in the solid hole of this hook.Because the volume of solid arm of this button and the solid arm of hook is less, staff is directly pushed very inconvenient, therefore generally need use screwdriver, be inserted in the slit on solid arm of button and the tabs, utilize screwdriver to push, could mount and dismount this fastener more smoothly, operate very loaded down with trivial details.In addition, use this fastener, need offer groove on heat abstractor, the cutting radiating fin has reduced radiating efficiency.

No. 89215396 described faster for radiating device of Taiwan patent application for another example, it comprises an one handle and a fastener main body.This handle has one first clamping part, and the top of this first clamping part is provided with a through hole.These fastener main body central authorities are provided with a pressure section, one end of this pressure section extends one second clamping part after bending extension obliquely more downward vertically, the other end of this pressure section bends obliquely and extends one second elastic arm, second elastic arm further extends an elastic pressing part, this elastic pressing part is made up of two forked flexure strips that extend from the terminal both sides of second elastic arm, and the through hole place that this two flexure strip is plugged on this handle links together this handle and fastener main body.Though also comparatively convenient when this fastener is installed and removed, this fastener main body only depends on two forked flexure strips to combine with handle, this elasticity integrated structure more easily gets loose from main body at the bigger situation lower handle of fastener buckle press, fastens firm inadequately.When using this fastener, need offer groove equally on heat abstractor in addition, the cutting radiating fin has reduced radiating efficiency.

Summary of the invention

The purpose of this utility model is to provide a kind of heat abstractor combination, and its mounting or dismounting are convenient, fastening is firm and need not cut radiating fin influences radiating effect.

To achieve these goals, the utility model provides a kind of heat abstractor combination to comprise two fixtures, a heat abstractor and two fasteners, and each outwards is equipped with a grab two ends of this fixture, and this heat abstractor comprises a pedestal and some radiating fins.This fastener comprises a body and an operating body.The central authorities of this body are provided with a pressure section, and this pressure section respectively bends out an elastic arm to its two ends, and a button gripping arm is extended in the bending downwards of one of them elastic arm, offers a locking hole on this button gripping arm, and another elastic arm bends out an assembling arm downwards.This operating body comprises two articulated sections, one locking part and an operating portion, these two articulated sections are opposing parallel settings, the activity of one end is pivotally attached to the end of this assembling arm, this locking part is connected the same side of two articulated sections, this operating portion forms from the other end bending extension of this two articulated section, this operating body is in this locking part, form an opening between operating portion and two articulated sections, the assembling arm of this body can pass this opening and be pivotally attached to two articulated sections again, thereby couple together this body and operating body in aggregates, form a groove between the locking part of this assembling arm and this operating body, during installation two of this fixture grabs respectively hook be affixed in the locking hole and groove of this fastener, the pressure section of this fastener then is pressed on this heat abstractor.

The utlity model has following beneficial effect: this fastener the time only needs the application of force to act on operating portion in installation and removal to get final product, and is very convenient.The operating body of this fastener is pivotally attached on this body, and this pin-jointed structure is also comparatively firm, is difficult for during fastening getting loose.And the fastener of this heat abstractor combination is mounted in the both sides of heat abstractor, not be used in to offer groove on the heat abstractor and cut radiating fin, can not reduce radiating efficiency.

Description of drawings

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

Fig. 2 is the three-dimensional exploded view of the fastener of the utility model heat abstractor combination.

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

Fig. 4 is the three-dimensional combination figure of combination of the utility model heat abstractor and circuit board.

Fig. 5 is the end view of Fig. 4.

Embodiment

See also Fig. 1 to Fig. 5, the combination of a kind of heat abstractor comprises two fixtures 1, heat abstractor 2 and two fasteners 5.This heat abstractor aggregate erection helps a central processing unit 94 heat radiations on a circuit board 92.

In the present embodiment, these two fixtures 1 are for being attached to two fixed mounts 1 of these heat abstractor 2 both sides respectively, and each outwards is equipped with a grab 12 two ends of this fixed mount 1.

This heat abstractor 2 comprises a pedestal 22, and this pedestal 22 extends upward the some radiating fins 24 that are arranged side by side.The pedestal 22 of this heat abstractor 2 respectively stretches out a flange 26 to its both sides.

These two fasteners 5 are attached to respectively on this two fixed mount 1.This fastener 5 comprises a body 52 and an operating body 54.The central authorities of this body 52 are provided with a pressure section 56, and the both sides of this pressure section 56 respectively upwards bend extends a reinforcement arm 57.The two ends of this pressure section 56 respectively are inclined upwardly and bend out an elastic arm 58, a button gripping arm 60 is extended in the terminal bending downwards of one of them elastic arm 58, offer a locking hole 62 on this button gripping arm 60, the end of another elastic arm 58 bends out an assembling arm 64 downwards, and the end of this assembling arm 64 respectively is equipped with a driving rod 70 to its both sides.This body 52 is contiguous between elastic arm 58 and assembling arm 64, and the bending place is corresponding is equipped with two stop sections 66 to its both sides.This operating body 54 comprises two articulated sections 72, a locking part 74 and an operating portion 76.These two articulated sections 72 are that opposing parallel is provided with, and the one end respectively is provided with a pivoted hole 78 to two driving rods 70 that should body 52, and this two driving rod 70 is hubbed on and makes this operating body 54 can movable be pivotally attached to the end of this assembling arm 64 in this two pivoted hole 78.This locking part 74 is connected the same side of two articulated sections 72.This operating portion 76 forms from the other end bending extension of this two articulated section 72.This operating body 54 forms an opening 80 between this locking part 74, operating portion 76 and two articulated sections 72.The assembling arm 64 of this body 52 can pass this opening 80 and be pivotally attached to two articulated sections 72 again, thereby couples together this body 52 and operating body 54 in aggregates.After 54 assemblings of this body 52 and operating body are finished, formation one groove 82 between the locking part 74 of the inboard of this assembling arm 64 and this operating body 54.This two stop section 66 can block in the both sides of the opening 80 of this operating body 54, prevent that these operating body 54 excessive pivotals from causing getting loose.

During installation, earlier these two fixed mounts 1 are fixed on this circuit board 92, then heat abstractor 2 is attached to these central processing unit 94 tops, then with the locking hole 62 of this fastener body 52 and this fixed mount 1 wherein a grab 12 match, and this pressure section 56 is compressed on the flange 26 of this heat abstractor 2, press down the operating portion 76 of this fastener 5 then, another grab 12 of this fixed mount 1 is accommodated in this groove 82 can reach assembling, this pressure section 56 is tightly pushed down this flange 26 under the elastic force effect, thereby makes pedestal 22 bottom surfaces of this heat abstractor 2 closely amplexiform the upper surface of this central processing unit 94.And, need only press down the operating portion 76 of this operating body 54 in when dismounting, and the groove 82 that makes another grab 12 of this fixed mount 1 deviate from this fastener 5 gets final product, and its mounting or dismounting are very convenient.

The operating body 54 of this fastener 5 is pivotally attached on this body 52 in addition, and the end of the elastic arm 58 that this body 52 links to each other with assembling arm 64 is also replaced the upper limb of these operating body 54 openings 80, make this operating body 54 can bear bigger buckle press, be difficult for getting loose so the operating body 54 of this fastener 5 and the integrated structure between the body 52 are comparatively firm.And the fastener 5 in the combination of this heat abstractor is mounted in the both sides of heat abstractor 2, not be used in and offers groove cutting radiating fin 24 on the heat abstractor 2, can not reduce radiating efficiency.

More than be first embodiment of the present utility model, as second embodiment, this fixture is the connector body (figure does not show) of a central processing unit 94, go out a grab from relative each projection of two middle side parts of this connector body, this fastener is identical with fastener 5 structures shown in first embodiment, but this fastener 5 is the middle parts that are installed in this heat abstractor, owing to used the fastener 5 of same structure, installs and removes conveniently and fasten firm advantage so the combination of this heat abstractor has equally.

As the 3rd embodiment, this fixture is that central processing unit 94 is surrounded a three-back-shaped fixed frame around within it, go out a grab from relative each projection of both sides of this fixed frame, this fastener is identical with fastener 5 structures shown in first embodiment, but this fastener 5 is to be installed in the heat abstractor middle part, and this heat abstractor combination has equally installs and removes conveniently and fasten firm advantage.

Claims

1, a kind of heat abstractor combination comprises at least one fixture, a heat abstractor and at least one fastener, each outwards is equipped with a grab two ends of this fixture, this heat abstractor comprises a pedestal and some radiating fins, and this fastener comprises a body and an operating body; The central authorities of this body are provided with a pressure section, the two ends of this pressure section respectively bend out an elastic arm, a button gripping arm is extended in the bending downwards of one of them elastic arm, offers a locking hole on this button gripping arm, it is characterized in that: another elastic arm bends out an assembling arm downwards; This operating body comprises two articulated sections, one locking part and an operating portion, these two articulated sections are opposing parallel settings, the activity of one end is pivotally attached to the end of this assembling arm, this locking part is connected the same side of two articulated sections, this operating portion forms from the other end bending extension of this two articulated section, this operating body is in this locking part, form an opening between operating portion and two articulated sections, the assembling arm of this body can pass this opening and be pivotally attached to two articulated sections again, thereby couple together this body and operating body in aggregates, form a groove between the locking part of this assembling arm and this operating body, during installation two of this fixture grabs respectively hook be affixed in the locking hole and groove of this fastener, the pressure section of this fastener then is pressed on this heat abstractor.

2, heat abstractor combination according to claim 1, it is characterized in that: the end of this assembling arm respectively is equipped with a driving rod to its both sides, and an end of two articulated sections of this operating body is to should respectively being provided with a pivoted hole by two driving rods.

3, heat abstractor combination according to claim 1, it is characterized in that: this body is corresponding two stop sections of being equipped with, contiguous bending place between elastic arm and assembling arm, but thereby this two stop sections block prevents this operating body excessive pivotal in the both sides of this operating body opening.

4, heat abstractor combination according to claim 1 is characterized in that: each bending of the both sides of this pressure section is extended one and is strengthened arm.

5, heat abstractor combination according to claim 1, it is characterized in that: this at least one fixture is two fixed mounts that are attached to these heat abstractor both sides respectively, this at least one fastener is two fasteners that are attached to respectively on this two fixed mount.

6, heat abstractor combination according to claim 5, it is characterized in that: the pedestal of this heat abstractor respectively stretches out a flange to its both sides, and the pressure section of this two fastener is pressed on respectively on two flanges of this heat abstractor.

7, heat abstractor combination according to claim 1, it is characterized in that: this at least one fixture is the connector body of a central processing unit, this at least one fastener is a fastener that is installed in the heat abstractor middle part.

8, heat abstractor according to claim 1 combination is characterized in that: this at least one fixture is that a central processing unit is surrounded a fixed frame around within it, and this at least one fastener is a fastener that is installed in the heat abstractor middle part.

9, heat abstractor combination according to claim 1 is characterized in that: this body is a upper limb of replacing this operating body opening with the end of the elastic arm that the assembling arm links to each other, and makes this operation physical efficiency bear bigger buckle press.