CN2735543Y - Cooling module - Google Patents

Abstract

The utility model provides a heat radiation module makes the fan can simply and firmly set up on the radiator. The heat dissipation module comprises a heat radiator, a fan, a plurality of fixing devices and a plurality of fixing pieces. The fixing devices are respectively bridged on a pair of adjacent radiating fins, each fixing device is provided with a top plate and a pair of side plates which extend downwards from two sides of the top plate, and the top plate is at least provided with a through hole; the fixing pieces respectively pass through the fixing holes of the fan and the through holes of the top plate, wherein the pair of side plates of the fixing device clamp the fixing pieces between the pair of radiating fins.

Description

Cooling module

technical field

The utility model relates to a heat dissipation module, in particular to a heat dissipation module used for dissipating heat generated by working chips. The heat dissipation module provides a holding device to simply and stably fix the fan on the radiator.

Background technique

Due to the rapid progress of semiconductor technology, the central processing unit of the computer is also relatively continuously developed to accelerate the calculation speed, so that the computer has more powerful calculation capabilities, and at the same time generates more heat. In order to maintain the normal operation of the central processing unit at a permissible temperature, many kinds of cooling modules have been developed. At present, a general heat dissipation module usually includes a heat sink placed on the top surface of the CPU, and a fan disposed on the top of the heat sink.

Please refer to FIG. 1 , which is a combined side view of a heat dissipation module in the prior art. The heat dissipation module 9 has a radiator 92 and a fan 94 . The heat sink 92 has several screw holes 920 disposed at the bottom thereof, and the fan 94 passes through the fan 94 and the cooling fins 922 through several long screws 96 to be screwed on the screw holes 920 . The above-mentioned prior art requires the steps of drilling screw holes and shoveling off the cooling fins above the positions of the screw holes, which is very cumbersome to manufacture. Furthermore, if the height of the fins is higher, the screws need to be lengthened, and the fixing support force will be affected.

In some prior art, the fan is fastened to the bottom of the heat sink by using a fastener. When this structure is bumped or shaken during transportation, the fan is likely to be deflected or detached.

Another prior art installs a fixing plate on the top of the radiator, the sides of the fixing plate are screwed to the outer cooling fins of the radiator, and the fan is locked on the fixing plate by screws. The outer heat dissipation fins of this prior art need to be relatively thick, and the universality is limited. In addition, the fixing plate is easy to affect the circulation of the air, and the screws are also easy to be loosened by the sliding teeth of the fixing plate.

Therefore, it is necessary to provide a well-designed heat dissipation module, so that the fan can be firmly arranged on the heat sink without damaging the heat sink; and the processing steps can be reduced and the assembly steps can be accelerated.

Contents of the invention

The main purpose of the utility model is to provide a heat dissipation module, which mainly provides a holding device and a fixing piece that can quickly and stably fix the fan to the heat sink, and simplifies the assembly steps to save labor costs.

To achieve the above purpose, the utility model provides a heat dissipation module, which includes a heat sink, a fan, several holding devices, and several fixing pieces. The radiator vertically extends upwards with several heat dissipation fins; the fan is arranged on the top of the heat dissipation fins, and the fan is provided with several fixing holes; the plurality of holding devices are respectively connected to a pair of adjacent heat dissipation fins, each The holding device has a top plate and a pair of side plates which extend downward from both sides of the top plate, and the top plate is provided with at least one through hole; the several fixing pieces respectively pass through the fixing hole of the fan and the through hole of the top plate. The hole, wherein the pair of side plates of the holding device clamp the fixing part between the pair of heat dissipation fins.

In the heat dissipation module, the holding device is formed by punching a metal sheet and is slightly U-shaped. Wherein the diameter of the through hole of the holding device is slightly larger than the distance between the cooling fins. Wherein the height of the holding device is at least equal to the length of the fixing member protruding from the fan. A plurality of interference parts are respectively formed on the inner sides of the pair of side plates of the holding device. Wherein the gap between the pair of side plates of the holding device is equal to the width of the pair of cooling fins plus the width of the space between the pair of cooling fins. Wherein the length of the side plate of the holding device is slightly equal to the length of the cooling fins. Wherein the top plate of the holding device has an opening disposed in its middle portion, and a pair of through holes are respectively disposed on the top plate on both sides of the opening. Wherein the fixing member is a screw. Wherein the fixing part is generally in the shape of a screw, and has several barbs engaged between the pair of cooling fins.

The preferred embodiments of the present utility model are described in detail below in conjunction with the accompanying drawings, but this description is only used to illustrate the present utility model, not to limit the scope of the present utility model.

Description of drawings

FIG. 1 is a combined side view of a heat dissipation module in the prior art.

FIG. 2 is a three-dimensional exploded view of the heat dissipation module of the present invention.

FIG. 3 is a combined side view of the heat dissipation module of the present invention.

FIG. 3A is a combined side view of another embodiment of the heat dissipation module of the present invention.

FIG. 4 is a three-dimensional exploded view of the third embodiment of the heat dissipation module of the present invention.

Wherein, the reference signs are explained as follows:

Cooling Module 9

Radiator 92 Fan 94

Screw hole 920 heat dissipation fin 922

screw 96

Cooling module 1

Radiator 10

Radiating Fins 12 Pitch 14

Holding device 20, 20a, 20b

Top Plate 22 Side Plate 24

Through hole 220 Interference part 242

opening 26

Fan 30 Fixing hole 32

Fixing piece 40, 40a Barb 42

Detailed ways

Please refer to FIG. 2 , which is an exploded perspective view of the heat dissipation module of the present invention. The utility model provides a heat dissipation module 1 including a radiator 10 , several holding devices 20 , a fan 30 , and several fixing pieces 40 .

The radiator 10 has a plurality of cooling fins 12 vertically extending upward. In this embodiment, the heat sink 10 is formed by extrusion technology. A distance 14 is formed between two adjacent heat dissipation fins 12 .

Each of the holding devices 20 is connected to a pair of adjacent heat dissipation fins 12 , and each holding device 20 has a top plate 22 and a pair of side plates 24 . The pair of side plates extend downward from two sides of the top plate 22 , and the top plate 22 defines at least one through hole 220 , the diameter of the through hole 220 is slightly larger than the distance 14 between the cooling fins 12 . In this preferred embodiment, the length of the side plate 24 of the holding device 20 is slightly equal to the length of the heat dissipation fins 12 . A rectangular opening 26 is disposed in the middle of the top plate 22 of the holding device 20 , whereby the opening 26 allows the air between the cooling fins 12 to circulate upward. A through hole 220 is respectively defined on the top plate 22 on both sides of the opening 26 . This embodiment can reduce the required quantity of the holding device 20 in the heat dissipation module 1 .

In this embodiment, the plurality of holding devices 20 are formed by stamping metal sheets, and are slightly U-shaped, which is very easy to manufacture and saves cost. The thickness of the side plate 24 of the holding device 20 should be smaller than or equal to the distance 14 between the cooling fins 12 . The gap between the side plates 24 is equal to the width of the pair of cooling fins 12 plus the distance 14 .

The fan 30 is disposed on the top of the cooling fin 12 , and the fan 30 is provided with a plurality of fixing holes 32 . There are four fixing holes 32 in this embodiment.

The fixing members 40 respectively pass through the fixing hole 32 of the fan 30 and the through hole 220 of the top plate 22 for fixing the fan 30 on the radiator 10 . The number of the fixing pieces 40 is based on the number of the fixing holes 32 .

Please refer to FIG. 3 , which is a combined side view of the heat dissipation module of the present invention. The pair of side plates 24 of the holding device 20 clamp the fixing member 40 between the pair of cooling fins 12 , so that the fixing member 40 will not be detached from the heat sink 10 . In this embodiment, the fixing member 40 is a screw, the threaded part of the screw is slightly larger than the spacing 14 of the heat dissipation fins, and the threaded part passes through the pair of side plates 24 of the holding device 20 and the pair of heat dissipation fins 12 produce interference. Therefore, the fixing member 40 is not necessarily a common screw. In a preferred embodiment, the height of the holding device 20 is at least equal to the length of the fixing member 40 protruding from the fan 30 .

Please refer to FIG. 3A , which is a combined side view of another embodiment of the heat dissipation module of the present invention. The heat dissipation module of the present invention can also provide a holding device 20 a of another embodiment, and a plurality of interference parts 242 are respectively formed on the insides of the pair of side plates 24 of the holding device 20 a. The interference portion 242 can strengthen the fixing force between the holding device 20 a and the heat sink 10 .

The heat dissipation module 1 of the present invention also provides a fixing part 40a of another embodiment, the fixing part 40a is in the shape of a screw, but does not need to be provided with threads. The helical action required by the thread. The fixing member 40 a only needs to have a few barbs 42 , and the barbs 42 can be engaged between the pair of cooling fins 12 . In this way, the present invention only needs to directly push the fixing member 40 a downwards into the pair of heat dissipation fins 12 , without any screw action. Therefore, the fixing member 40a can reduce the assembly time and speed up the assembly.

Through the above-mentioned features of the present invention, it can be known that the heat dissipation module 1 of the present invention provides the holding device 20 , which can save the processing of the heat sink 10 . The feature of the holding device 20 is to fix the fan 30 on the heat sink 10 by utilizing the interference force produced by clamping the fixing member 40 on the cooling fin 12 .

Therefore, the holding device in the present invention is not limited to the above-mentioned aspects. Please refer to FIG. 4 , which is an exploded perspective view of a third embodiment of the heat dissipation module of the present invention. The utility model further provides a simplified holding device 20b, the holding device 20b has the shorter top board 22 and the side board 24 . Only one through hole 220 is formed on the top plate 22 .

Therefore the feature that the utility model can produce and function are arranged as follows:

1. The heat dissipation module of the present invention fixes the fan to the heat sink through the holding device and the fixing member, which can avoid the situation that the screws slide or loosen.

2. In the present invention, the holding device is easy to manufacture, and the assembly steps are very simple, and no additional processing of the radiator is required, so the overall manufacturing time and labor cost can be saved.

However, the above disclosures are only preferred embodiments of the present utility model, and cannot limit the scope of the present utility model. Therefore, equal changes or modifications made according to the application scope of the present utility model are still covered by the present utility model. range.

Claims (10)

1. A cooling module, characterized in that it comprises: A radiator, which vertically extends upwards with several cooling fins; A fan, which is arranged on the top of the cooling fin, and the fan is provided with several fixing holes; Several holding devices, each of which is connected to a pair of adjacent cooling fins, each holding device has a top plate and a pair of side plates, the side plates extend downward from both sides of the top plate, and the top plate is provided with at least one through hole; and A plurality of fixing pieces pass through the fixing hole of the fan and the through hole of the top plate respectively, wherein the pair of side plates of the holding device hold the fixing piece between the pair of cooling fins. 2 . The heat dissipation module according to claim 1 , wherein the holding device is formed by punching a metal sheet and is U-shaped. 3 . 3. The heat dissipation module according to claim 1, wherein the diameter of the through hole of the holding device is larger than the distance between the heat dissipation fins. 4. The heat dissipation module according to claim 1, wherein the height of the holding device is at least equal to the length of the fixing member protruding from the fan. 5 . The heat dissipation module as claimed in claim 1 , wherein a plurality of interference portions are formed on inner sides of the pair of side plates of the holding device. 6 . 6 . The heat dissipation module according to claim 1 , wherein the gap between the pair of side plates of the holding device is equal to the width of the pair of heat dissipation fins plus the width of the distance between the pair of heat dissipation fins. 7. The heat dissipation module according to claim 1, wherein the length of the side plate of the holding device is equal to the length of the heat dissipation fin. 8 . The heat dissipation module according to claim 7 , wherein the top plate of the holding device has an opening disposed in a middle portion thereof, and a pair of through holes are respectively disposed on the top plate at two sides of the opening. 9. The heat dissipation module as claimed in claim 1, wherein the fixing member is a screw. 10 . The heat dissipation module according to claim 1 , wherein the fixing member is in the shape of a screw and has several barbs engaged between the pair of heat dissipation fins. 11 .

Images