CN220399902U

CN220399902U - Heat dissipation device

Info

Publication number: CN220399902U
Application number: CN202321724746.8U
Authority: CN
Inventors: 谭东雄; 孙中伟
Original assignee: Shenzhen Hello Tech Energy Co Ltd
Current assignee: Shenzhen Hello Tech Energy Co Ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2024-01-26
Anticipated expiration: 2033-07-03

Abstract

The utility model provides a heat abstractor, including quick-witted case, fan mechanism, coupling mechanism and locking mechanism, the machine case is equipped with the installation cavity, fan mechanism inserts and locates in the installation cavity, coupling mechanism includes first connecting piece and second connecting piece, first connecting piece connects in fan mechanism's one end, first connecting piece is equipped with first face of supporting, be equipped with the card on the first face of supporting and hold the groove, the second connecting piece includes the card portion of holding and compresses tightly the portion, the card portion of holding is held and is located the card and hold the inslot, it is equipped with the second and supports to hold the face to compress tightly the face, the second supports to hold the face and supports and hold the face, locking mechanism includes third connecting piece and fastener, the fastener is used for passing third connecting piece and quick-witted case fixed connection when fan mechanism inserts and locates the installation cavity. In the heat dissipating device, the fan mechanism can be directly inserted into the mounting cavity, so that the clamping groove is limited and connected with the clamping part, the angle of the chassis is not required to be adjusted for many times to avoid a visual field blind area, and the mounting efficiency can be improved.

Description

Heat dissipation device

Technical Field

The application relates to the technical field of heat dissipation, in particular to a heat dissipation device.

Background

In the process of installing the existing fans into the chassis, the fans are usually required to be installed into the chassis one by one, and because the positions of the fans installed in the chassis are mostly vision blind areas, the angles of the chassis need to be adjusted multiple times when the fans are installed into the chassis through the fasteners, the installation steps are complex, and the installation efficiency is low.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a heat dissipating device that improves the mounting efficiency.

The embodiment of the application provides a heat abstractor, including quick-witted case, fan mechanism, coupling mechanism and locking mechanism, the machine case is equipped with the installation cavity, fan mechanism inserts and locates in the installation cavity, coupling mechanism includes first connecting piece and second connecting piece, first connecting piece connect in fan mechanism's one end, first connecting piece is equipped with first face of supporting, first face of supporting is last to be equipped with the card and holds the groove, the second connecting piece connect in the cavity wall in installation cavity, the second connecting piece includes card portion of holding and clamping part, card portion of holding is used for fan mechanism drives first connecting piece card is located card portion of holding in the inslot when inserting, clamping part locates one side of card portion of holding, clamping part is equipped with the second and supports the face of holding, the second is supported the face of holding and is used for holding card portion card when holding the groove, locking mechanism includes third connecting piece and locking mechanism connect in the fan mechanism passes when the fan mechanism passes in the installation cavity is located in with the other end is connected to the fan mechanism is exposed.

The embodiment of the application comprises the following technical effects: in the heat dissipating device, the fan mechanism can be directly inserted into the mounting cavity, so that the clamping groove on the first connecting piece connected with the fan mechanism is in limiting connection with the clamping part in the second connecting piece, and the second supporting surface is supported and pressed to tightly press the first supporting surface, and then the third connecting piece connected with the fan mechanism is directly fixed on the case through the fastener, so that the angle of the case is not required to be adjusted for many times to avoid the blind area of the visual field, and the mounting efficiency can be improved.

In some embodiments of the application, the chassis includes a casing, a cover plate, and a heat dissipating member, the casing and the cover plate are arranged along a first direction at intervals, the heat dissipating member is connected between the casing and the cover plate, and the mounting cavity is formed between the casing and the cover plate and is arranged adjacent to the heat dissipating member.

The embodiment of the application comprises the following technical effects: through the arrangement, the radiating piece is arranged in the case, so that the radiating piece is matched with the fan mechanism to improve the radiating efficiency of the case.

In some embodiments of the present application, the heat dissipation piece includes the absorber plate and fixes the fin group on the absorber plate, the fin group includes a plurality of fin that are parallel to each other, and is a plurality of the fin is followed the second direction interval and is set up, the absorber plate is close to the one end of second connecting piece is equipped with the third and supports the face, the third supports the face and is used for supplying fan mechanism is followed the second direction supports to hold the slip in the installation intracavity, the first direction with the second direction is mutually perpendicular.

The embodiment of the application comprises the following technical effects: through the arrangement, in the process of inserting the fan mechanism into the mounting cavity, the second connecting piece slides along the third supporting surface, so that the risk of shifting the mounting track when the fan mechanism is inserted into the mounting cavity is reduced.

In some embodiments of the present application, the fan mechanism includes support and a plurality of fan, the support includes bottom plate, roof, first curb plate, second curb plate and third curb plate, the bottom plate with the roof is followed the relative setting of first direction, first curb plate second curb plate with the third curb plate encloses to be located the bottom plate with between the roof, and forms the orientation the opening of radiating element, the second curb plate with the third curb plate is followed the relative setting of second direction, first connecting piece connect in the third curb plate, the second connecting piece connect in the second curb plate, first curb plate connect in between the second curb plate with the third curb plate, first curb plate is equipped with a plurality of through-holes, the fan with the through-hole one-to-one just locates in the through-hole.

The embodiment of the application comprises the following technical effects: through the arrangement, the first side plate, the second side plate, the third side plate, the bottom plate and the top plate are surrounded to form a heat dissipation space for the fan to dissipate heat, and the opening opposite to the heat dissipation part is convenient for the fan to dissipate heat.

In some embodiments of the present application, the second connecting piece still includes installation department, connecting portion and spacing portion, the installation department connect in the chamber wall of installation cavity, the one end of connecting portion connect in the installation department, the other end is followed the first direction is kept away from the installation department extends and sets up, compress tightly the portion with spacing portion connect in the connecting portion is kept away from the one end and the interval setting of installation department, the card is held the portion and is located in the protruding spacing portion, spacing portion is used for when fan mechanism inserts and locates in the installation cavity with first support is held the face and is followed the relative setting of first direction and make the card is held the portion card hold in the card holds the groove.

The embodiment of the application comprises the following technical effects: through above-mentioned setting, the installation department cooperation connecting portion improves spacing portion, connects in the card of spacing portion and compresses tightly the stability of portion in quick-witted incasement, and spacing portion reduces the risk that card held the portion and produce the displacement in first direction.

In some embodiments of the present application, a fourth supporting surface is disposed on a side of the connecting portion facing the first connecting member, and the fourth supporting surface is used for contacting an end of the first connecting member away from the fan mechanism.

The embodiment of the application comprises the following technical effects: through the arrangement, when the clamping groove on the first connecting piece clamps the clamping part on the second connecting piece, the end part of the first connecting piece is propped against the fourth propping surface to indicate that the fan mechanism is installed in place in the installation cavity.

In some embodiments of the present application, the clamping portion, the pressing portion, the mounting portion, the connecting portion, and the limiting portion are integrally formed.

The embodiment of the application comprises the following technical effects: through above-mentioned setting, improve the structural strength of second connecting piece.

In some embodiments of the present application, the second supporting surface includes a pressing area and a guiding area, the pressing area is connected to the mounting portion, one end of the guiding area is communicated with the pressing area, the other end of the guiding area is inclined towards a direction away from the pressing area, and the guiding area is used for enabling the first supporting surface to slide to the pressing area along the guiding area.

The embodiment of the application comprises the following technical effects: through the arrangement, the guide area which is obliquely arranged can guide the first supporting surface to slide towards the pressing area when avoiding the first connecting piece so that the second pressing area presses the first supporting surface, and the risk that the clamping part deviates from the mounting rail is reduced.

In some embodiments of the present application, the second abutment surface further comprises a chamfer region disposed between the guide region and the compression region.

The embodiment of the application comprises the following technical effects: through the arrangement, the chamfer area improves the smoothness of the clamping part entering the compaction area.

In some embodiments of the present application, the cover plate is provided with an avoidance hole communicated with the mounting cavity, and the avoidance hole is used for the fan mechanism to pass through and extend into the mounting cavity.

The embodiment of the application comprises the following technical effects: through above-mentioned setting, dodge the hole and make under the condition that need not unpack casing and apron directly install fan mechanism to quick-witted incasement, improve installation effectiveness.

In the heat dissipating device, the fan mechanism can be directly inserted into the mounting cavity, so that the clamping groove on the first connecting piece connected with the fan mechanism is in limiting connection with the clamping part in the second connecting piece, and the second supporting surface is supported and pressed to tightly press the first supporting surface, and then the third connecting piece connected with the fan mechanism is directly fixed on the case through the fastener, so that the angle of the case is not required to be adjusted for many times to avoid the blind area of the visual field, and the mounting efficiency can be improved.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipating device according to an embodiment of the present application.

Fig. 2 is an exploded view of a heat dissipating device according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a connection mechanism according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a first connector according to an embodiment of the present application.

Fig. 5 is a schematic structural diagram of a second connector according to an embodiment of the present application.

Fig. 6 is a schematic structural diagram of a heat dissipation element according to an embodiment of the present application.

Fig. 7 is a schematic structural diagram of a fan mechanism according to an embodiment of the present application.

Description of the main reference signs

Heat dissipating device 100

Cabinet 10

Mounting cavity 11

Casing 12

Radiating hole 121

Cover plate 13

Dodge hole 131

Air inlet hole 132

Radiator 14

Heat absorbing plate 141

Third abutment surface 1411

Fin group 142

Radiator 1421

Fan mechanism 20

Support 21

Bottom plate 211

Top plate 212

First side plate 213

Through hole 2131

Second side plate 214

Operation hole 2141

Third side plate 215

Opening 216

Fan 22

Coupling mechanism 30

First connecting piece 31

First abutting surface 311

Clamping groove 3111

Second connector 32

Clamping portion 321

Pressing portion 322

Second supporting surface 3221

Pressing area 3221A

Guide region 3221B

Chamfer region 3221C

Mounting portion 323

Connection portion 324

Fourth abutting surface 3241

Limit part 325

Locking mechanism 40

Third connecting piece 41

Fastener 42

First direction Z

Second direction X

The following detailed description will further illustrate the application in conjunction with the above-described figures.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments.

It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items. The terms "vertical," "horizontal," "left," "right," "top," "bottom," and the like are used herein for illustrative purposes only and are not intended to limit the present application.

It will be appreciated that when describing a parallel/perpendicular arrangement of two components, the angle between the two components allows for a tolerance of + -10% relative to standard parallel/perpendicular.

The embodiment of the application provides a heat abstractor, including quick-witted case, fan mechanism, coupling mechanism and locking mechanism, the machine case is equipped with the installation cavity, and fan mechanism inserts and locates the installation intracavity. The connecting mechanism comprises a first connecting piece and a second connecting piece, the first connecting piece is connected to one end of the fan mechanism, the first connecting piece is provided with a first supporting surface, and the first supporting surface is provided with a clamping groove. The second connecting piece is connected in the chamber wall in installation cavity, and the second connecting piece includes the card portion of holding and compresses tightly the portion, and the card portion of holding is connected in the chamber wall in installation cavity, and the card portion of holding is used for the card to hold and locates the card when fan mechanism drives first connecting piece cartridge and locates in the installation cavity and hold the inslot. The pressing part is arranged on one side of the clamping part, the pressing part is provided with a second supporting surface, and the second supporting surface is used for supporting the first supporting surface when the clamping part is clamped in the clamping groove. The locking mechanism comprises a third connecting piece and a fastening piece, the third connecting piece is connected to the other end of the fan mechanism and is exposed out of the mounting cavity, and the fastening piece is used for penetrating through the third connecting piece to be fixedly connected with the case when the fan mechanism is inserted into the mounting cavity.

Some embodiments of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2 together, a heat dissipating device 100 provided in an embodiment of the present application includes a housing 10, a fan mechanism 20, a connecting mechanism 30, and a locking mechanism 40, wherein the housing 10 is provided with a mounting cavity 11, and the fan mechanism 20 is inserted into the mounting cavity 11. The connection mechanism 30 includes a first connection member 31 and a second connection member 32, the first connection member 31 being connected to one end of the fan mechanism 20.

Referring to fig. 3, 4 and 5, the first connecting member 31 has a first supporting surface 311, and the first supporting surface 311 has a clamping groove 3111. The second connecting piece 32 is connected to the wall of the installation cavity 11, and the second connecting piece 32 includes a clamping portion 321 and a pressing portion 322, where the clamping portion 321 is used to be clamped in the clamping groove 3111 when the fan mechanism 20 drives the first connecting piece 31 to be inserted into the installation cavity 11. The pressing portion 322 is disposed on one side of the clamping portion 321, and the pressing portion 322 is provided with a second supporting surface 3221, where the second supporting surface 3221 is used to support the first supporting surface 311 when the clamping portion 321 is clamped in the clamping groove 3111. The locking mechanism 40 includes a third connecting member 41 and a fastening member 42, wherein the third connecting member 41 is connected to the other end of the fan mechanism 20 and is exposed out of the mounting cavity 11, and the fastening member 42 is used for fixedly connecting with the chassis 10 through the third connecting member 41 when the fan mechanism 20 is inserted into the mounting cavity 11.

In the heat dissipating device 100, the fan mechanism 20 can be directly inserted into the mounting cavity 11, so that the clamping groove 3111 on the first connecting member 31 connected to the fan mechanism 20 is limited and connected to the clamping portion 321 in the second connecting member 32, and the second supporting surface 3221 supports and presses the first supporting surface 311, and then the third connecting member 41 connected to the fan mechanism 20 is directly fixed on the chassis 10 by the fastener 42, so that the angle of the chassis 10 does not need to be adjusted multiple times to avoid the blind area of the field of view, and the mounting efficiency can be improved.

In this embodiment, the clamping groove 3111 has a U-shaped structure. Accordingly, the catch 321 is of generally cylindrical configuration.

With continued reference to fig. 3, 4 and 5, in some embodiments, the second connecting member 32 further includes a mounting portion 323, a connecting portion 324 and a limiting portion 325, the mounting portion 323 is connected to a wall of the mounting cavity 11, one end of the connecting portion 324 is connected to the mounting portion 323, and the other end extends away from the mounting portion 323 along the first direction Z. The pressing portion 322 and the limiting portion 325 are connected to one end of the connecting portion 324 away from the mounting portion 323 and are disposed at intervals, the clamping portion 321 is protruding on the limiting portion 325, and the limiting portion 325 is configured to be disposed opposite to the first supporting surface 311 along the first direction Z when the fan mechanism 20 is inserted into the mounting cavity 11, and to enable the clamping portion 321 to be clamped in the clamping groove 3111. The mounting portion 323 cooperates with the connecting portion 324 to improve stability of the limiting portion 325, the clamping portion 321 connected to the limiting portion 325, and the pressing portion 322 in the chassis 10, and the limiting portion 325 reduces risk of displacement of the clamping portion 321 in the first direction Z.

In this embodiment, the clamping portion 321, the mounting portion 323, the connecting portion 324, the limiting portion 325 and the pressing portion 322 are integrally formed, so as to improve the structural strength of the second connecting member 32.

With continued reference to fig. 3, 4 and 5, in some embodiments, a fourth supporting surface 3241 is disposed on a side of the connecting portion 324 facing the first connecting member 31, and the fourth supporting surface 3241 is configured to contact an end of the first connecting member 31 away from the fan mechanism 20. When the clamping groove 3111 on the first connector 31 clamps the clamping portion 321 on the second connector 32, the end of the first connector 31 abuts against the fourth abutting surface 3241 to indicate that the fan mechanism 20 is mounted in place in the mounting cavity 11.

With continued reference to fig. 3, 4 and 5, in some embodiments, the second supporting surface 3221 includes a pressing region 3221A and a guiding region 3221B, the pressing region 3221A is connected to the mounting portion 323, one end of the guiding region 3221B is connected to the pressing region 3221A, the other end is disposed obliquely toward a direction away from the pressing region 3221A, and the guiding region 3221B is used to enable the first supporting surface 311 to slide along the guiding region 3221B to the pressing region 3221A. The obliquely arranged guide region 3221B can guide the first abutting surface 311 to slide towards the pressing region 3221A while avoiding the first connector 31 so that the second pressing region 3221A presses the first abutting surface 311, and the risk that the clamping portion 321 is deviated from the mounting rail is reduced.

Referring to fig. 5, in some embodiments, a chamfer region 3221C is provided between the guide region 3221B and the pinch region 3221A, the chamfer region 3221C improving the smoothness of entry of the catch 321 into the pinch region 3221A.

Referring to fig. 1 and 2 again, in some embodiments, the chassis 10 includes a housing 12, a cover 13, and a heat dissipation element 14, the housing 12 and the cover 13 are disposed at intervals along a first direction Z, the heat dissipation element 14 is connected between the housing 12 and the cover 13, and the mounting cavity 11 is formed between the housing 12 and the cover 13 and is disposed adjacent to the heat dissipation element 14. By disposing the heat sink 14 in the chassis 10, the heat sink 14 can cooperate with the fan mechanism 20 to improve the heat dissipation efficiency of the chassis 10.

With continued reference to fig. 1 and 2, in some embodiments, the heat sink 14 includes a heat absorbing plate 141 and a heat sink group 142 fixed to the heat absorbing plate 141. The fin group 142 includes a plurality of fins 1421 parallel to each other, and the plurality of fins 1421 are disposed at intervals along the second direction X. The heat absorbing plate 141 is provided with a third supporting surface 1411 near one end of the second connecting member 32, and the third supporting surface 1411 is used for supporting and sliding the fan mechanism 20 into the mounting cavity 11 along the second direction X, and the first direction Z is perpendicular to the second direction X. During insertion of the fan mechanism 20 into the mounting cavity 11, the second connector 32 slides along the third abutment surface 1411, reducing the risk of the fan mechanism 20 shifting the mounting track when inserted into the mounting cavity 11.

During the heat dissipation process, the air current brought by the fan mechanism 20 can pass through the gaps between the cooling fins 1421 to take away the heat of the heat absorbing plate 141, so that the heat dissipation element 14 cooperates with the fan mechanism 20 to improve the heat dissipation efficiency of the heat dissipation device 100.

It is understood that the cover 13 is further provided with a plurality of air inlet holes 132, and the air inlet holes 132 are disposed corresponding to the positions of the fan mechanism 20 in the mounting cavity 11. The plurality of air inlet holes 132 are used for supplying air to the fan mechanism 20 in the installation cavity 11. The end of the casing 12 is provided with a heat dissipation hole 121, the fan mechanism 20 transmits air flow towards the heat dissipation part 14 under the action of wind force, the heat absorbed by the heat absorption plate 141 of the heat dissipation part 14 is transmitted to the heat dissipation plate group 142, and the air flow absorbing the heat of the heat dissipation plate group 142 passes through the heat dissipation hole 121 at the end of the casing 12 to dissipate the heat to the outside of the casing 12, so that heat dissipation is realized.

With continued reference to fig. 1 and 2, in some embodiments, a relief hole 131 is formed on a side of the cover 13, which is close to the third connecting member 41, and the relief hole 131 is used for the fan mechanism 20 to pass through and extend into the mounting cavity 11, so that the fan mechanism 20 is directly mounted into the chassis 10 without disassembling the chassis 12 and the cover 13, thereby improving the mounting efficiency.

Referring to fig. 4, 6 and 7, in some embodiments, the fan mechanism 20 includes a rack 21 and a plurality of fans 22, and the rack 21 includes a bottom plate 211, a top plate 212, a first side plate 213, a second side plate 214 and a third side plate 215. The bottom plate 211 and the top plate 212 are disposed opposite to each other along the first direction Z, and the first side plate 213, the second side plate 214, and the third side plate 215 are disposed between the bottom plate 211 and the top plate 212 and form an opening 216 toward the heat sink 14.

The second side plate 214 and the third side plate 215 are disposed opposite to each other along the second direction X, the first connecting member 31 is connected to the third side plate 215, the second connecting member 32 is connected to the second side plate 214, and the first side plate 213 is connected between the second side plate 214 and the third side plate 215. The first side plate 213 is provided with a plurality of through holes 2131, the fans 22 are in one-to-one correspondence with the through holes 2131 and are arranged in the through holes 2131, through the arrangement, the first side plate 213, the second side plate 214, the third side plate 215, the bottom plate 211 and the top plate 212 enclose a heat dissipation space for the fans 22 to dissipate heat, and the openings 216 opposite to the heat dissipation elements 14 facilitate the fans 22 to dissipate heat to the heat dissipation elements.

It can be appreciated that the present embodiment allows a plurality of fans 22 to be installed modularly by installing the plurality of fans 22 through the through holes 2131 of the same first side plate 213, as compared to installing the single fans 22 one by one in the cabinet 10, thereby improving the efficiency of installing the fans 22. Meanwhile, the number of screws for installing the fan 22 in the case 10 is also saved, and the production efficiency is improved.

In the present embodiment, the first side plate 213 is provided with 4 through holes 2131 spaced apart in the first direction X, and accordingly, the number of fans 22 is 4.

Alternatively, the number of fans 22 on the bracket 21 may be any one of 1, 2, 3, 5, 6, 7, 8, etc., to improve the heat dissipation efficiency of the heat dissipation device 100.

In the present embodiment, the first connecting member 31 and the third side plate 215 are integrally formed, so as to improve the structural strength of the first connecting member 31.

It will be appreciated by those skilled in the art that the above embodiments are provided for illustration only and not as limitations of the present application, and that suitable modifications and variations of the above embodiments are within the scope of the disclosure of the present application as long as they are within the true spirit of the present application.

Claims

1. A heat sink, comprising:

the case is provided with an installation cavity;

the fan mechanism is inserted into the mounting cavity;

the connecting mechanism comprises a first connecting piece and a second connecting piece, the first connecting piece is connected to one end of the fan mechanism, the first connecting piece is provided with a first supporting surface, a clamping groove is formed in the first supporting surface, the second connecting piece is connected to the cavity wall of the mounting cavity, the second connecting piece comprises a clamping part and a pressing part, the clamping part is used for being clamped in the clamping groove when the fan mechanism drives the first connecting piece to be inserted into the mounting cavity, the pressing part is arranged on one side of the clamping part, the pressing part is provided with a second supporting surface, and the second supporting surface is used for supporting the first supporting surface when the clamping part is clamped in the clamping groove;

the locking mechanism comprises a third connecting piece and a fastening piece, wherein the third connecting piece is connected to the other end of the fan mechanism and is exposed out of the mounting cavity, and the fastening piece is used for penetrating through the third connecting piece to be fixedly connected with the case when the fan mechanism is inserted into the mounting cavity.

2. The heat sink as recited in claim 1, wherein: the machine case comprises a machine case, a cover plate and a heat dissipation piece, wherein the machine case and the cover plate are arranged at intervals along a first direction, the heat dissipation piece is connected between the machine case and the cover plate, and the installation cavity is formed between the machine case and the cover plate and is adjacent to the heat dissipation piece.

3. The heat sink as recited in claim 2, wherein: the heat dissipation piece comprises a heat absorption plate and a heat dissipation sheet group fixed on the heat absorption plate, the heat dissipation sheet group comprises a plurality of heat dissipation sheets which are parallel to each other, the heat dissipation sheets are arranged at intervals along a second direction, a third supporting surface is arranged at one end, close to the second connecting piece, of the heat absorption plate, the third supporting surface is used for supporting and sliding the fan mechanism into the mounting cavity along the second direction, and the first direction is perpendicular to the second direction.

4. A heat sink as claimed in claim 3, wherein: the fan mechanism comprises a support and a plurality of fans, the support comprises a bottom plate, a top plate, a first side plate, a second side plate and a third side plate, the bottom plate and the top plate are oppositely arranged along the first direction, the first side plate, the second side plate and the third side plate are enclosed between the bottom plate and the top plate and form openings towards the radiating pieces, the second side plate and the third side plate are oppositely arranged along the second direction, the first connecting piece is connected with the third side plate, the second connecting piece is connected with the second side plate, the first side plate is connected with the second side plate and the third side plate, a plurality of through holes are formed in the first side plate, and the fans are in one-to-one correspondence with the through holes and are arranged in the through holes.

5. The heat sink as recited in claim 2, wherein: the second connecting piece still includes installation department, connecting portion and spacing portion, the installation department connect in the chamber wall of installation chamber, the one end of connecting portion connect in the installation department, the other end is followed the first direction is kept away from the installation department extends the setting, compress tightly the portion with spacing portion connect in connecting portion keep away from the one end and the interval setting of installation department, the card is held the portion and is convexly locates on the spacing portion, spacing portion be used for when fan mechanism inserts and locates in the installation chamber with first support is held the face and is followed the relative setting of first direction and make the card hold the portion card hold in the card holds the groove.

6. The heat sink as recited in claim 5, wherein: one side of the connecting part, which faces the first connecting piece, is provided with a fourth supporting surface, and the fourth supporting surface is used for contacting one end, far away from the fan mechanism, of the first connecting piece.

7. The heat sink as recited in claim 5, wherein: the clamping part, the pressing part, the mounting part, the connecting part and the limiting part are of an integrated structure.

8. The heat sink as recited in claim 5, wherein: the second support face includes compresses tightly regional and direction region, compress tightly the regional connection in installation department, the one end intercommunication of direction region compress tightly the regional, the other end orientation keep away from compress tightly the regional direction slope setting, direction region is used for making first support face is followed direction region slides to compress tightly the region.

9. The heat sink as recited in claim 8, wherein: the second abutting surface further comprises a chamfering area, and the chamfering area is arranged between the guiding area and the compacting area.

10. The heat sink as recited in claim 4, wherein: the cover plate is provided with an avoidance hole communicated with the mounting cavity, and the avoidance hole is used for the fan mechanism to pass through and extend into the mounting cavity.