CN218920853U

CN218920853U - Concave copper foil radiating fin

Info

Publication number: CN218920853U
Application number: CN202223178097.4U
Authority: CN
Inventors: 金松日
Original assignee: Huizhou Qiqi Hardware Products Co ltd
Current assignee: Huizhou Qiqi Hardware Products Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-25
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to the technical field of copper foil radiating fins and discloses a concave copper foil radiating fin which comprises a fixed frame, wherein fixing mechanisms are arranged at four corners of the upper surface of the fixed frame, each fixing mechanism comprises a fixed block, an extension plate, a fixed nut and a fixed frame, the bottom of each fixed block is fixedly arranged on the upper surface of the fixed frame, one side of each extension plate is fixedly connected with the side surface of each fixed block, and the bottom of each extension plate is attached to the upper surface of the corresponding fixed frame. This kind of concave system copper foil fin, the effectual in-service use that has solved is to not fixing with the copper foil fin and maintain and because the compressive property of copper foil self is poor to cause copper foil fin life reduction's problem, can effectually fix the centre gripping in the bottom of fixed frame with concave system copper foil in the whole operation in-process, and carry out effectual protection to concave system copper foil through the frame of fixed frame, prevent that it from receiving impact and tearing, with this radiating efficiency who maintains concave system copper foil.

Description

Concave copper foil radiating fin

Technical Field

The utility model relates to the technical field of copper foil radiating fins, in particular to a concave copper foil radiating fin.

Background

The radiating fin is a device for radiating the heat-generating electronic element in the electric appliance, which is made of aluminium alloy, brass or bronze, and is made into plate, sheet and multi-sheet, for example, CPU in computer uses quite large radiating fin, power tube and row tube in TV set, power amplifier tube in power amplifier uses radiating fin, and the contact surface of electronic element and radiating fin is coated with a layer of heat-conducting silicone grease to make the heat emitted by element more effectively transferred to radiating fin, and then the heat is dissipated into the surrounding air by radiating fin

According to the graphite copper foil composite cooling fin disclosed in the publication No. CN106847767A, a graphite film is compounded on a netlike copper foil by adopting a calendaring technology, so that the interface thermal resistance is greatly reduced because an adhesive is not required, and meanwhile, the interlayer degumming phenomenon of the composite cooling fin is effectively avoided, so that the composite cooling fin has excellent mechanical property and heat conduction and heat dissipation properties; moreover, the porosity and the pore size of the reticular copper foil are important, and if a compact non-mesh copper foil is adopted, the binding force between the copper foil and the graphite film is poor; the net-shaped copper foil can be used for tightly combining the copper foil with the graphite film through the meshes.

At present, in the prior art, the device is not fixed and maintained with the copper foil radiating fin when in use, but the copper foil is poor in self compressive property, is easy to deform and even break after being extruded, so that the service life of the copper foil radiating fin is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the concave copper foil radiating fin, which has the advantages of effectively fixing and protecting the copper foil radiating fin and enabling the radiating fin to be quickly installed and replaced, and solves the problems in the background art.

The utility model provides the following technical scheme: the utility model provides a concave system copper foil fin, includes the fixed frame, the four corners department of fixed frame upper surface all is provided with fixed establishment, fixed establishment is including fixed block, extension board, fixation nut and mount, the bottom and the last fixed surface installation of fixed frame of fixed block, the side fixed connection of one side and the fixed block of extension board, the bottom and the upper surface laminating of fixed frame of extension board, the surface and the inner wall threaded connection of extension board of fixation nut, the one end and the inside threaded connection of fixed frame of fixation nut, the bottom fixed connection of fixed frame.

Preferably, the communication groove has been seted up to the side of fixed frame, the inside of communication groove is provided with joint mechanism, joint mechanism is including extension spring, connecting plate, connecting block and joint piece, the one end of extension spring and the inside side fixed connection of communication groove, one side of connecting plate and the other end fixed connection of extension spring, the side of connecting plate and the inside laminating of communication groove, the side of connecting plate and the opposite side fixed connection of connecting plate, the bottom of joint piece and the last fixed surface installation of connecting block.

Preferably, the inner wall threaded connection of fixed block has adjusting nut, and adjusting nut runs through the fixed frame, adjusting nut's one end rotates and is connected with the backup pad.

Preferably, the extension rod is fixedly arranged on the other side of the connecting plate, the outer surface of the extension rod is attached to the inner wall of the communication groove, and the connecting frame is fixedly arranged on the upper surface of the fixing frame.

Preferably, the inner wall fixedly connected with fixed axle of connecting frame, the inner wall of fixed axle is provided with presses the briquetting, and presses the inner wall laminating of briquetting and the surface laminating of fixed axle, press the one end laminating of briquetting and the one end of extension rod.

Preferably, the bottom of the fixed frame is provided with a concave copper foil, the bottom of the concave copper foil is attached to the side face of the fixed frame, and the top of the concave copper foil is attached to the bottom of the fixed frame.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the concave copper foil radiating fin, through the arrangement of the fixing mechanism, when the concave copper foil radiating fin is used, firstly, the concave copper foil is placed at the top of the fixing frame and is attached to the top of the fixing frame, then, the adjusting nut is controlled to move up and down through rotating the adjusting nut in threaded connection with the inner wall of the fixing block, the supporting plate connected with the bottom end of the adjusting nut is driven to move up and down through rotating, the top of the supporting plate is controlled to be attached to the bottom of the concave copper foil and clamp and fix the fixing frame, the problem that the service life of the copper foil radiating fin is shortened because the copper foil is not fixedly maintained in the actual use process and the compression resistance of the copper foil is poor is solved, the concave copper foil can be effectively clamped at the bottom of the fixing frame in the whole operation process, and the concave copper foil is effectively protected through the frame of the fixing frame, so that the concave copper foil is prevented from being impacted and torn, and the radiating efficiency of the concave copper foil is maintained;

2. this concave system copper foil fin, through the setting of joint mechanism, when using, when concave system copper foil is installed and is carried out the centre gripping after, make concave system copper foil bottom's bulge laminating electronic component, and then press the inside pressing block that sets up of connecting frame, thereby control pressing block extrudees the extension pole of fixed frame inside, with this release connecting plate and connecting block, thereby carry out the joint with the joint structure of electronic component both sides, and make the connecting block retract under the elasticity effect of extension spring, thereby fix the device at electronic component's surface through the joint block, when the copper foil fin is installed in the in-service use, fixed knot constructs too singlely, and lead to the unable quick installation of device fin to change, and then cause the too troublesome problem of device dismantlement time, can be quick effectual install the fin at electronic component's surface in the whole operation process, and can be through pressing down the quick dismantlement of fin through same operation again, make things convenient for the later stage to change.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the device of the present utility model;

FIG. 2 is a schematic side view of the structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of FIG. 1 in accordance with the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a fixed frame; 2. a fixed block; 3. an extension plate; 4. a fixing nut; 5. a fixing frame; 6. an adjusting nut; 7. a support plate; 8. a communication groove; 9. a telescopic spring; 10. concave copper foil; 11. a connecting plate; 12. a connecting block; 13. a clamping block; 14. an extension rod; 15. a connection frame; 16. a fixed shaft; 17. pressing the blocks; 18. a fixing mechanism; 19. and the clamping mechanism.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a concave copper foil cooling fin comprises a fixing frame 1, fixing mechanisms 18 are arranged at four corners of the upper surface of the fixing frame 1, each fixing mechanism 18 comprises a fixing block 2, an extending plate 3, fixing nuts 4 and a fixing frame 5, the bottom of the fixing block 2 is fixedly arranged on the upper surface of the fixing frame 1, one side of the extending plate 3 is fixedly connected with the side surface of the fixing block 2, the bottom of the extending plate 3 is attached to the upper surface of the fixing frame 1, the outer surface of the fixing nuts 4 is in threaded connection with the inner wall of the extending plate 3, one end of each fixing nut 4 is in threaded connection with the inner wall of the fixing frame 1, the top of the fixing frame 5 is fixedly connected with the bottom of the fixing frame 1, and the fixing mechanisms 18 can effectively fix and clamp the concave copper foil 10 on the bottom of the fixing frame 1 and effectively protect the concave copper foil 10 through the frame 1 so as to maintain the cooling efficiency of the concave copper foil 10.

Wherein; the communication groove 8 has been seted up to the side of fixed frame 1, the inside of communication groove 8 is provided with joint mechanism 19, joint mechanism 19 is including extension spring 9, connecting plate 11, connecting block 12 and joint piece 13, the one end of extension spring 9 and the inside side fixed connection of communication groove 8, one side of connecting plate 11 and the other end fixed connection of extension spring 9, the inside laminating of connecting plate 11 and communication groove 8, the side of connecting plate 12 and the opposite side fixed connection of connecting plate 11, the bottom of joint piece 13 and the last fixed surface installation of connecting block 12, the effectual copper foil fin installation of in-service use time of having solved, fixed knot constructs too singlely, and lead to the unable quick installation of device fin to change, and then cause too troublesome problem when the device is dismantled, can be quick effectual install the fin at electronic component's surface in the whole operation process, and can be with the quick dismantlement of fin through same operation by pressing press the briquetting 17 once more, make things convenient for the later stage to change.

Wherein; the inner wall threaded connection of fixed block 2 has adjusting nut 6, and adjusting nut 6 runs through fixed frame 1, and the one end rotation of adjusting nut 6 is connected with backup pad 7, and backup pad 7 rises under the drive of adjusting nut 6, and then carries out the centre gripping to concave copper foil 10.

Wherein; the extension rod 14 is fixedly arranged on the other side of the connecting plate 11, the outer surface of the extension rod 14 is attached to the inner wall of the communication groove 8, the connecting frame 15 is fixedly arranged on the upper surface of the fixed frame 1, and the extension rod 14 is extruded by the pressing block 17 to move forwards, so that the connecting plate 11 and the connecting block 12 are driven to perform telescopic motion.

Wherein; the inner wall fixedly connected with fixed axle 16 of connecting frame 15, the inner wall of fixed axle 16 is provided with presses briquetting 17, and presses the inner wall laminating of briquetting 17 and the surface laminating of fixed axle 16, presses the one end laminating of briquetting 17 and the one end of extension pole 14, and fixed axle 16 can effectually be fixed pressing briquetting 17 in the inside of connecting frame 15 to prevent pressing briquetting 17 and drop.

Wherein; the bottom of the fixed frame 1 is provided with a concave copper foil 10, the bottom of the concave copper foil 10 is attached to the side face of the fixed frame 5, and the top of the concave copper foil 10 is attached to the bottom of the fixed frame 1.

When the copper foil protection device is used, firstly, the concave copper foil 10 is placed at the top of the fixed frame 1 and is attached to the top of the fixed frame 5, and then the adjusting nut 6 in threaded connection with the inner wall of the fixed block 2 is rotated, so that the adjusting nut 6 is controlled to perform lifting movement, the supporting plate 7 connected with the bottom end of the adjusting nut 6 is driven to move up and down, and then the top of the supporting plate 7 is controlled to be attached to the bottom of the concave copper foil 10 and is clamped and fixed with the fixed frame 1, so that the concave copper foil 10 is protected.

Meanwhile, after the concave copper foil 10 is installed and clamped, heat conduction silicone grease is smeared on the surface of the convex part at the bottom of the concave copper foil 10 and the surface of the electronic component and bonded, and then the pressing block 17 arranged inside the connecting frame 15 is pressed, so that the pressing block 17 is controlled to press the extension rod 14 inside the fixed frame 1, the connecting plate 11 and the connecting block 12 are pushed out, the clamping structure on two sides of the electronic component is clamped, the connecting block 12 is retracted under the elastic force of the telescopic spring 9, and the device is fixed on the surface of the electronic component through the clamping block 13, so that the installation of the radiating fin is completed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a concave copper foil fin, its characterized in that, including fixed frame (1), the four corners department of fixed frame (1) upper surface all is provided with fixed establishment (18), fixed establishment (18) are including fixed block (2), extension board (3), fixation nut (4) and mount (5), the bottom of fixed block (2) and the upper surface fixed mounting of fixed frame (1), one side of extension board (3) and the side fixed connection of fixed block (2), the bottom of extension board (3) is laminated with the upper surface of fixed frame (1), the surface of fixation nut (4) and the inner wall threaded connection of extension board (3), the one end of fixation nut (4) and the inside threaded connection of fixed frame (1), the bottom fixed connection of the top of mount (5) and fixed frame (1).

2. The concave copper foil heat sink according to claim 1, wherein: the side of fixed frame (1) has seted up intercommunication groove (8), the inside of intercommunication groove (8) is provided with joint mechanism (19), joint mechanism (19) are including extension spring (9), connecting plate (11), connecting block (12) and joint piece (13), the one end and the inside side fixed connection of intercommunication groove (8) of extension spring (9), one side of connecting plate (11) and the other end fixed connection of extension spring (9), the side of connecting plate (11) is laminated with the inside of intercommunication groove (8), the side of connecting block (12) and the opposite side fixed connection of connecting plate (11), the bottom of joint piece (13) and the upper surface fixed mounting of connecting block (12).

3. The concave copper foil heat sink according to claim 1, wherein: the inner wall threaded connection of fixed block (2) has adjusting nut (6), and adjusting nut (6) run through fixed frame (1), the one end rotation of adjusting nut (6) is connected with backup pad (7).

4. The concave copper foil heat sink according to claim 2, wherein: the other side of the connecting plate (11) is fixedly provided with an extension rod (14), the outer surface of the extension rod (14) is attached to the inner wall of the communication groove (8), and the upper surface of the fixed frame (1) is fixedly provided with a connecting frame (15).

5. The concave copper foil heat sink according to claim 4, wherein: the inner wall fixedly connected with fixed axle (16) of connecting frame (15), the inner wall of fixed axle (16) is provided with presses briquetting (17), and presses the inner wall of briquetting (17) and the laminating of the surface of fixed axle (16), the one end of briquetting (17) is laminated with the one end of extension rod (14).

6. The concave copper foil heat sink according to claim 1, wherein: the bottom of fixed frame (1) is provided with concave copper foil (10), and the bottom of concave copper foil (10) is laminated with the side of mount (5), the bottom of concave copper foil (10) is laminated with the bottom of fixed frame (1).