Assembling type metal cooling fin

Abstract

The utility model discloses an assembling type metal cooling fin which comprises a base, a first connecting block is fixedly connected to the right portion of the front side of the base, a second connecting block is fixedly connected to the right portion of the front side of the base, and moving blocks are arranged on the upper outer surface and the lower outer surface of the first connecting block. The moving block penetrates through the outer surface of the first connecting block and is fixedly connected with an L-shaped positioning block, a first positioning groove is formed in the outer surface of the second connecting block, a mounting base is fixedly connected to the outer surface of the upper portion of the base, a mounting groove is formed in the outer surface of the upper portion of the mounting base, and cooling fins are arranged on the upper portion of the mounting groove. Limiting grooves are formed in the front side and the rear side of the mounting base, fastening screws are inserted into the inner surfaces of the limiting grooves, and the rear ends of the fastening screws are arranged on the inner surfaces of the lower portions of the cooling fins. By means of the structure, the split mounting type design is adopted, electronic elements of various specifications can be adapted, meanwhile, the single heat dissipation fin can be replaced, and the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of heat sinks, in particular to an assembleable metal heat sink. Background Art

[0002] The basic structure of a heat sink consists of multiple thin sheets (or fins), which are usually arranged vertically to increase the heat dissipation surface area, thereby improving the heat conduction efficiency. By increasing the contact area with the air, the heat sink can more effectively transfer heat to the surrounding environment. The heat sink is mostly made of aluminum alloy, brass or bronze in plate shape. For example, the CPU central processing unit in the computer requires a relatively large heat sink, and the power tubes, line tubes in the television, and the power amplifier tubes in the amplifier all use heat dissipation.

[0003] In the prior art, general heat sinks need to be customized according to the specifications and sizes of heat-prone electronic components. Therefore, a heat sink that can be assembled is needed to adapt to a variety of electronic components of different specifications and sizes. At the same time, when a single heat sink fin is damaged, the entire heat sink needs to be replaced, which increases maintenance costs. Utility Model Content

[0004] The purpose of the utility model is to provide an assembleable metal heat sink with an assembleable design, which is suitable for electronic components of various specifications. At the same time, individual heat sink fins can be replaced, reducing maintenance costs.

[0005] To achieve the above-mentioned object, an assembleable metal heat sink is provided, comprising a base, a first connecting block fixedly connected to the outer surface of the front right portion of the base, a second connecting block fixedly connected to the outer surface of the front right portion of the base, movable blocks provided on the upper and lower outer surfaces of the first connecting block, the movable blocks passing through the outer surface of the first connecting block and fixedly connected to an L-shaped positioning block, a first positioning groove provided on the outer surface of the second connecting block, the L-shaped positioning block being snap-fitted into the interior of the first positioning groove;

[0006] The upper outer surface of the base is fixedly connected to a mounting seat, the upper outer surface of the mounting seat is provided with a mounting groove, the upper outer surface of the mounting groove is provided with a heat dissipation fin, the front and rear outer surfaces of the mounting seat are provided with limiting grooves, the inner surface of the limiting groove is inserted with a fastening screw, and the rear end of the fastening screw is arranged on the lower inner surface of the heat dissipation fin.

[0007] According to the described as an assembleable metal heat sink, a movable groove is opened inside the connecting block 1, the inner surface of the movable groove is fixedly connected to a telescopic rod, the outer surface of the rod portion of the telescopic rod is fixedly connected to a second spring, and the rod portion of the telescopic rod is fixedly connected to the outer surface of the L-shaped positioning block. The L-shaped positioning block is clamped by the elastic action of the second spring.

[0008] According to the described assemblable metal heat sink, a clamping block is provided on the right outer surface of the connecting block one, a positioning groove two is provided on the outer surface of the connecting block two, and the clamping block is clamped to the inner surface of the positioning groove two to achieve the assembly between the two heat sinks.

[0009] According to the described assemblable metal heat sink, thread grooves are provided on the lower outer surfaces of the front and rear sides of the heat sink fins, and the fastening screws are threadedly connected to the inner surfaces of the thread grooves to limit the fastening screws.

[0010] According to the described as an assembleable metal heat sink, movable grooves are provided on the front and rear outer surfaces of the heat sink fins, and a first spring is fixedly connected to the inner wall of the movable groove. The first spring is arranged on the rear side of the fastening screw. The heat sink fins are fixed by rotating the fastening screw and squeezing the first spring at the same time.

[0011] According to the described assemblable metal heat sink, a thermal pad is provided on the inner surface of the mounting groove, and the thermal pad is attached to the lower outer surface of the heat sink fin to perform a heat conduction function.

[0012] According to the described assemblable metal heat sink, a protrusion is provided on the right outer surface of the base, and a groove is provided on the left outer surface of the base. The protrusion is snapped into the inside of the groove to serve the purpose of splicing the two heat sinks.

[0013] The utility model has the following beneficial effects:

[0014] 1. Compared with the prior art, this assembleable metal heat sink drives the L-shaped positioning block to move by moving the moving block on the outer surface of the front connecting block of the first heat sink, and at the same time compresses the telescopic rod, thereby driving the second spring to compress, and then inserting the L-shaped positioning block into the positioning groove 1 inside the connecting block 2 of the other heat sink, and at the same time, inserting the clamping block on the outer surface of the front connecting block of the first heat sink into the positioning groove 2 of the second connecting block 2, and at the same time, the right side protrusion on the outer surface of the first heat sink is clamped into the groove on the left side of the second heat sink, thereby realizing the splicing of the first heat sink and the second heat sink. According to the requirements of different electronic components, the corresponding number of heat sinks can be spliced.

[0015] 2. Compared with the existing technology, when a single heat sink fin is damaged, the fastening screw can be disengaged from the thread groove by rotating the fastening screw in the reverse direction. The fastening thread can be disengaged from the movable groove by the action of the first spring, so that the single damaged heat sink fin can be disassembled and maintained, effectively reducing the maintenance cost.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a schematic diagram of the overall structure of an assembleable metal heat sink of the utility model;

[0019] Figure 2 This is a side structural diagram of an assembleable metal heat sink of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure of the mounting base and the heat dissipation fins of an assembleable metal heat sink of the present invention;

[0021] Figure 4 This is a cross-sectional view of a connecting block of an assembleable metal heat sink according to the present invention;

[0022] Figure 5 This is a second cross-sectional view of a connecting block of an assembleable metal heat sink according to the present invention;

[0023] Figure 6 This utility model is a kind of assembled metal heat sink Figure 3 A magnified schematic diagram of the structure at point A.

[0024] Legend:

[0025] 1. Base; 2. Mounting seat; 3. Heat sink fins; 4. Connecting block 1; 5. Connecting block 2; 6. Bump; 7. Groove; 8. Fastening screw; 9. First spring; 10. Limiting groove; 11. Threaded groove; 12. Movable groove; 13. Thermal pad;

[0026] 21. Mounting slot; 41. Moving block; 42. L-shaped positioning block; 43. Telescopic rod; 44. Second spring; 45. Moving slot; 46. Clamping block; 51. Positioning slot 1; 52. Positioning slot 2. DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0028] Reference Figure 1-6The embodiment of the present invention is an assembleable metal heat sink, which includes a base 1, a protrusion 6 is provided on the right outer surface of the base 1, a groove 7 is provided on the left outer surface of the base 1, the protrusion 6 is snapped into the inside of the groove 7 to realize the splicing between the two heat sinks, the front right outer surface of the base 1 is fixedly connected to a connecting block 4, the upper and lower outer surfaces of the connecting block 4 are provided with a moving block 41, the moving block 41 passes through the outer surface of the connecting block 4 and is fixedly connected to an L-shaped positioning block 42, the interior of the connecting block 4 is provided with a moving groove 45, the inner surface of the moving groove 45 is fixedly connected to a telescopic rod 43, and the telescopic rod 43 is fixedly connected to the inner surface of the telescopic rod 43. The outer surface of the rod portion of the retractable rod 43 is fixedly connected to the second spring 44, and the rod portion of the telescopic rod 43 is fixedly connected to the outer surface of the L-shaped positioning block 42. The right outer surface of the connecting block 1 4 is provided with a clamping block 46, and the outer surface of the connecting block 2 5 is provided with a positioning groove 2 52. The clamping block 46 is clamped to the inner surface of the positioning groove 2 52 to achieve fixation between the connecting block 1 4 and the connecting block 2 5, and at the same time achieve splicing between the two heat sinks. The outer surface of the front right side of the base 1 is fixedly connected to the connecting block 2 5, and the outer surface of the connecting block 2 5 is provided with a positioning groove 1 51. The L-shaped positioning block 42 is clamped to the inside of the positioning groove 1 51.

[0029] The upper outer surface of the base 1 is fixedly connected to the mounting base 2, and a mounting groove 21 is provided on the upper outer surface of the mounting base 2. The inner surface of the mounting groove 21 is provided with a thermal pad 13, and the thermal pad 13 is attached to the lower outer surface of the heat dissipation fin 3 to conduct heat. The front and rear outer surfaces of the mounting base 2 are provided with a limiting groove 10, and the inner surface of the limiting groove 10 is inserted with a fastening screw 8. The upper outer surface of the mounting groove 21 is provided with a heat dissipation fin 3, and the lower outer surfaces of the front and rear sides of the heat dissipation fin 3 are provided with a threaded groove 11. The fastening screw 8 is threadedly connected to the inner surface of the threaded groove 11 to limit the fastening screw 8. The front and rear outer surfaces of the heat dissipation fin 3 are provided with a movable groove 12, and the inner wall of the movable groove 12 is fixedly connected to the first spring 9, and the first spring 9 is arranged on the rear side of the fastening screw 8.

[0030] Working principle: When this type of assemblable metal heat sink needs to be spliced, the moving block 41 on the outer surface of the front connecting block 1 4 of the first heat sink is moved to drive the L-shaped positioning block 42 to move, and at the same time, the telescopic rod 43 is compressed, thereby driving the second spring 44 to be compressed, and then the L-shaped positioning block 42 is inserted into the positioning groove 1 51 inside the connecting block 2 5 of the other heat sink, and at the same time, the clamping block 46 on the outer surface of the front connecting block 1 4 of the first heat sink is inserted into the positioning groove 2 52 of the second connecting block 2 5, and at the same time, the right side protrusion 6 on the outer surface of the first heat sink is clamped into the groove 7 on the left side of the second heat sink, so as to realize the splicing of the first heat sink and the second heat sink. According to the needs of different electronic components, the corresponding number of heat sinks can be spliced, which is simple and convenient.

[0031] When installing the heat dissipation fins 3, the lower ends of the heat dissipation fins 3 are inserted into the installation grooves 21, and the fastening screws 8 are inserted into the movable grooves 12 through the limit grooves 10. By rotating the fastening screws 8, the fastening screws 8 are threadedly connected to the inside of the heat dissipation fins 3 through the setting of the threaded grooves 11 on the lower inner surface of the heat dissipation fins 3, and the first springs 9 are squeezed to fix the heat dissipation fins 3. When a single heat dissipation fin 3 is damaged, the fastening screws 8 are disengaged from the threaded grooves 11 by rotating the fastening screws 8 in the opposite direction. The fastening screws 8 are disengaged from the movable grooves 12 through the action of the first springs 9, so that the single damaged heat dissipation fin 3 can be disassembled and maintained, effectively reducing the maintenance cost.

[0032] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An assembleable metal heat sink, characterized in that: The invention comprises a base (1), wherein a connection block 1 (4) is fixedly connected to the outer surface of the right front side of the base (1), a connection block 2 (5) is fixedly connected to the outer surface of the right front side of the base (1), a moving block (41) is provided on the upper and lower outer surfaces of the connection block 1 (4), the moving block (41) passes through the outer surface of the connection block 1 (4) and is fixedly connected to an L-shaped positioning block (42), a positioning groove 1 (51) is provided on the outer surface of the connection block 2 (5), and the L-shaped positioning block (42) is clamped in the interior of the positioning groove 1 (51); The upper outer surface of the base (1) is fixedly connected to a mounting seat (2), the upper outer surface of the mounting seat (2) is provided with a mounting groove (21), the upper outer surface of the mounting groove (21) is provided with a heat dissipation fin (3), the front and rear outer surfaces of the mounting seat (2) are provided with a limiting groove (10), the inner surface of the limiting groove (10) is plugged with a fastening screw (8), and the rear end of the fastening screw (8) is arranged on the lower inner surface of the heat dissipation fin (3).

2. The assembleable metal heat sink according to claim 1, characterized in that: A movable groove (45) is provided inside the connecting block (4), the inner surface of the movable groove (45) is fixedly connected to a telescopic rod (43), the outer surface of the rod portion of the telescopic rod (43) is fixedly connected to a second spring (44), and the rod portion of the telescopic rod (43) is fixedly connected to the outer surface of the L-shaped positioning block (42).

3. The assemblable metal heat sink according to claim 1, characterized in that: The right outer surface of the connecting block 1 (4) is provided with a clamping block (46), the outer surface of the connecting block 2 (5) is provided with a positioning groove 2 (52), and the clamping block (46) is clamped to the inner surface of the positioning groove 2 (52).

4. The assembleable metal heat sink according to claim 1, characterized in that: The lower outer surfaces of the front and rear sides of the heat dissipation fins (3) are provided with threaded grooves (11), and the fastening screws (8) are threadedly connected to the inner surfaces of the threaded grooves (11).

5. The assemblable metal heat sink according to claim 1, characterized in that: The front and rear outer surfaces of the heat dissipation fins (3) are provided with movable grooves (12), and the inner wall of the movable groove (12) is fixedly connected with a first spring (9), and the first spring (9) is arranged on the rear side of the fastening screw (8).

6. The assemblable metal heat sink according to claim 1, characterized in that: A thermal pad (13) is provided on the inner surface of the mounting groove (21), and the thermal pad (13) is attached to the lower outer surface of the heat dissipation fin (3).

7. The assemblable metal heat sink according to claim 1, characterized in that: A convex block (6) is provided on the right outer surface of the base (1), and a groove (7) is provided on the left outer surface of the base (1), wherein the convex block (6) is engaged with the inside of the groove (7).

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