Upper and lower double-layer radiating fin connecting structure

By using a double-layer heat sink connection structure, and utilizing fixing components and beveled surfaces, tool-free quick fixing and disassembly can be achieved, solving the problem of cumbersome installation and disassembly of existing heat sinks and improving efficiency and stability.

CN223681368UActive Publication Date: 2025-12-16KUNSHAN LIRUIXING ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422737957.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-12-16
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

The existing heat sink installation and removal process is cumbersome, requires tools, and affects efficiency.

Method used

It adopts a double-layer heat sink connection structure, and uses fixed components and inclined surfaces to move the connecting plate through the first U-shaped plate to achieve tool-free fixing and disassembly. The combination of pressure plate and spring improves stability.

Benefits of technology

It enables quick fixing and disassembly of heat sinks without tools, improving operational efficiency and stability, and simplifying the installation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an upper and lower double-layer radiating fin connecting structure, which relates to the technical field of radiating fins and comprises a first U-shaped plate, a second U-shaped plate is mounted at the lower end of the first U-shaped plate, and a plurality of radiating fins distributed in a linear array are mounted on the upper inner walls of the first U-shaped plate and the second U-shaped plate. Connecting plates are installed at the left end and the right end of the first U-shaped plate, fixing holes are formed in the ends, away from each other, of the two connecting plates, fixing blocks are installed at the ends, away from each other, of the second U-shaped plate, fixing grooves are formed in the ends, close to each other, of the two fixing blocks, and fixing parts are arranged in the two fixing blocks. The two fixing parts are distributed in a bilateral symmetry mode. According to the utility model, the two radiators can be conveniently and quickly fixed and disassembled through the cooperation of the fixed part and the first inclined surface, the operation is simple, the fixation and disassembly are carried out without using tools and bolts, the operation time is short, and the working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a heat dissipation fin technical field, especially a kind of upper and lower double-layer heat dissipation fin connecting structure. BACKGROUND

[0002] Integrated circuits are widely used in electronic components, and high temperature is the enemy of integrated circuits, which can cause system instability, shorten service life, and even cause some components to burn out. The role of the heat sink is to absorb heat and then dissipate it into the case or outside the case to ensure the normal temperature of the computer components. The heat sink includes a fan, a heat dissipation fin, and a connecting mechanism.

[0003] In the prior art, in order to make the electronic components have good heat dissipation capacity, two heat dissipation fins are usually connected together and then installed on the electronic components. Currently, most heat dissipation fins are fixed and connected by bolts. When installing and disassembling, the bolts need to be rotated using tools, which is relatively cumbersome and affects the installation and efficiency. Therefore, further improvement is needed. Therefore, an upper and lower double-layer heat dissipation fin connecting structure is proposed. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide an upper and lower double-layer heat dissipation fin connecting structure, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] An upper and lower double-layer heat dissipation fin connecting structure includes a first U-shaped plate, a second U-shaped plate is installed at the lower end of the first U-shaped plate, a plurality of heat dissipation fins arranged in a linear array are installed on the inner walls of the first U-shaped plate and the second U-shaped plate, a connecting plate is installed at the left end and the right end of the first U-shaped plate, a fixing hole is formed at the end of each connecting plate away from the other, a fixing block is installed at the end of the second U-shaped plate away from the other, a fixing groove is formed at the end of each fixing block close to the other, a fixing component is arranged in each fixing block, the two fixing components are symmetrically distributed, each connecting plate is located in a fixing groove, and a first inclined surface is formed at the side of each connecting plate away from the other.

[0007] Preferably, a rectangular through groove is formed at the end of each fixing block away from the other, the two rectangular through grooves extend into the two fixing grooves respectively, and a circular groove is formed in the inner wall of each rectangular through groove.

[0008] Preferably, the fixing component comprises a fixing rod arranged in a rectangular through groove, one end of the fixing rod is provided with a pull rod, the other end of the fixing rod is provided with a second inclined surface, the outer surface of the fixing rod is fixedly sleeved with a limiting plate, one end of the limiting plate close to the pull rod is provided with a second spring, and the second spring is movably sleeved on the fixing rod.

[0009] Preferably, the second spring and the limiting plate are located in the circular groove.

[0010] Preferably, the lower inner wall of the fixing groove is provided with a plurality of guide grooves arranged in a linear array, and the lower wall of each of the plurality of guide grooves is provided with a limiting groove.

[0011] Preferably, a limiting block is arranged in each of the plurality of limiting grooves, the upper end of each of the plurality of limiting blocks is provided with a movable rod, the upper ends of the plurality of movable rods pass through the plurality of guide grooves and are fixedly connected with a pressing plate, the lower end of the pressing plate is provided with a plurality of first springs, the lower ends of the plurality of first springs are movably in contact with the lower inner wall of the fixing groove, and the plurality of first springs are movably sleeved on the plurality of movable rods.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0013] 1. The fixing component and the first inclined surface can be used to fix the two heat sinks conveniently, when the connecting plate is moved to the fixing groove through the first U-shaped plate, the first inclined surface contacts the second inclined surface, when the connecting plate continues to move downward, the connecting plate drives the fixing rod to move outward through the first inclined surface and the second inclined surface, so that the connecting plate can continue to move downward, when the fixing rod is flush with the fixing hole, the fixing rod is moved into the fixing hole under the elastic force of the second spring, and the fixing of the two heat sinks is completed, when disassembling, the fixing rod is pulled outward, so that the fixing rod is away from the fixing hole, and the disassembling is completed, the operation is simple, tools and bolts are not needed for fixing and disassembling, the operation time is short, and the working efficiency is improved.

[0014] 2. The pressing plate and the first spring can improve the stability of the fixing of the two heat sinks, when the connecting plate contacts the pressing plate, the first spring is compressed, the rebound force of the first spring can provide an upward lifting effect for the connecting plate, the fixing rod in the fixing hole is prevented from being loose due to vibration, movement and other factors, the fixing is more stable, when disassembling, the first spring automatically lifts the connecting plate, so that the connecting plate is easily taken out of the fixing groove, other tools are not needed, and the labor is not needed, and the convenience of use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram proposed in the embodiment;

[0016] Figure 2 It is the schematic view of the explosion structure in the embodiment;

[0017] Figure 3 It is the schematic view of the fixed part in the embodiment;

[0018] Figure 4 It is the schematic view of the pressing plate and the fixed block in the embodiment.

[0019] In the figure: 1, the first U-shaped plate; 2, the second U-shaped plate; 3, the fin; 4, the connecting plate; 5, the fixed block; 6, the fixed part; 7, the fixed slot; 8, the fixed hole; 9, the pressing plate; 10, the first spring; 11, the movable rod; 12, the limiting block; 51, the rectangular through slot; 52, the circular slot; 41, the first inclined surface; 61, the fixed rod; 62, the second spring; 63, the limiting plate; 64, the second inclined surface; 65, the pull rod; 71, the limiting slot; 72, the guide slot. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described in combination with specific embodiments.

[0021] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] As Figures 1-4As shown, a double-layer fin connecting structure, comprising a first U-shaped plate 1, the left end and the right end of the first U-shaped plate 1 are provided with screw holes for convenient installation on the heating element, the lower end of the first U-shaped plate 1 is provided with a second U-shaped plate 2, the upper inner walls of the first U-shaped plate 1 and the second U-shaped plate 2 are provided with a plurality of linear array distributed fins 3, the first U-shaped plate 1 and the second U-shaped plate 2 are used to transfer heat to the fins 3 for heat dissipation, the left end and the right end of the first U-shaped plate 1 are provided with a connecting plate 4, the ends of the two connecting plates 4 away from each other are provided with a fixing hole 8, the ends of the second U-shaped plate 2 away from each other are provided with a fixed block 5, the ends of the two fixed blocks 5 close to each other are provided with a fixed groove 7, the two fixed blocks 5 are provided with a fixed component 6, the two fixed components 6 are distributed in left and right symmetry, when the two connecting plates 4 are located in the two fixed grooves 7 respectively, the outer surface of the connecting plate 4 is in movable contact with the inner wall surface of the fixed groove 7, the side of the two connecting plates 4 away from each other is provided with a first inclined surface 41.

[0024] The fixed component 6 and the first inclined surface 41 can be used together to fix the two heat sinks conveniently, specifically, the ends of the two fixed blocks 5 away from each other are provided with a rectangular through slot 51, the two rectangular through slots 51 extend into the two fixed grooves 7 respectively, the inner walls of the two rectangular through slots 51 are provided with a circular groove 52, the fixed component 6 comprises a fixed rod 61, the fixed rod 61 is arranged in the rectangular through slot 51, one end of the fixed rod 61 is provided with a pull rod 65, the other end of the fixed rod 61 is provided with a second inclined surface 64, the outer surface of the fixed rod 61 is fixedly provided with a limiting plate 63, one end of the limiting plate 63 close to the pull rod 65 is provided with a second spring 62, the second spring 62 is movably arranged on the fixed rod 61, the first inclined surface 41 matches the second inclined surface 64, the second spring 62 and the limiting plate 63 are located in the circular groove 52, in use, the first U-shaped plate 1 drives the connecting plate 4 to move to the fixed groove 7, so that the first inclined surface 41 contacts the second inclined surface 64, when the connecting plate 4 continues to move downward, the connecting plate 4 drives the fixed rod 61 to move outward through the first inclined surface 41 and the second inclined surface 64, at this time the second spring 62 is compressed, so that the connecting plate 4 can continue to move downward, when the fixed rod 61 is flush with the fixed hole 8, the fixed rod 61 is subjected to the elastic force of the second spring 62 and moves into the fixed hole 8, as shown, so that the connecting plate 4 cannot move up and down, and the fixing of the two fins can be completed, when disassembling, only the pull rod 65 needs to be pulled outward, so that the fixed rod 61 moves away from the fixed hole 8, and the disassembly can be completed, which is simple to operate and does not need to use tools and bolts for fixing, the operation time is short, and the working efficiency is improved. Figure 3

[0025] ​In addition, in order to improve the stability of the fixed rod 61 in the fixed hole 8, a plurality of guide grooves 72 in linear array are arranged on the lower inner wall of the fixed groove 7, the lower wall of each of the plurality of guide grooves 72 is provided with a limiting groove 71, each of the plurality of limiting grooves 71 is provided with a limiting block 12, the upper end of each of the plurality of limiting blocks 12 is provided with a movable rod 11, the upper end of each of the plurality of movable rods 11 passes through each of the plurality of guide grooves 72 and is fixedly connected with a pressing plate 9, the lower end of the pressing plate 9 is provided with a plurality of first springs 10, the lower end of each of the plurality of first springs 10 is in movable contact with the lower inner wall of the fixed groove 7, each of the plurality of first springs 10 is movably sleeved on each of the plurality of movable rods 11, the pressing plate 9 is below the fixed rod 61, and the outer surface of the pressing plate 9 is spaced from the inner wall of the fixed groove 7; when the connecting plate 4 contacts the pressing plate 9, the first spring 10 is compressed to generate a rebound force, the movable rod 11 and the limiting block 12 move downward, the rebound force of the first spring 10 can provide an upward lifting effect for the connecting plate 4, so that the fixed rod 61 is prevented from being loosened in the fixed hole 8 due to vibration, movement and other factors, the fixed rod 61 is more stable, and when the fixed rod 61 is disassembled, the first spring 10 automatically lifts the connecting plate 4, so that the connecting plate 4 is easily taken out of the fixed groove 7, other tools are not needed, and the connecting plate 4 is not needed to be laboriously pulled out, and the convenience of use is improved.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A structure for connecting upper and lower heat sinks, comprising a first U-shaped plate (1), characterized in that: The lower end of the first U-shaped plate (1) is provided with a second U-shaped plate (2), the inner walls of the upper ends of the first U-shaped plate (1) and the second U-shaped plate (2) are provided with a plurality of linearly arranged heat dissipation fins (3), the left end and the right end of the first U-shaped plate (1) are provided with connecting plates (4), the ends of the two connecting plates (4) away from each other are provided with fixing holes (8), the ends of the second U-shaped plate (2) away from each other are provided with fixing blocks (5), the ends of the two fixing blocks (5) close to each other are provided with fixing grooves (7), the two fixing blocks (5) are provided with fixing components (6), the two fixing components (6) are symmetrically distributed, the two connecting plates (4) are located in the two fixing grooves (7) respectively, and the sides of the two connecting plates (4) away from each other are provided with first inclined surfaces (41).

2. The upper and lower double heat sink connecting structure according to claim 1, characterized by: The ends of the two fixing blocks (5) away from each other are provided with rectangular through grooves (51), the two rectangular through grooves (51) extend into the two fixing grooves (7) respectively, and the inner walls of the two rectangular through grooves (51) are provided with circular grooves (52).

3. The upper and lower double heat sink connecting structure according to claim 2, characterized by: The fixing component (6) comprises a fixing rod (61), the fixing rod (61) is arranged in the rectangular through groove (51), one end of the fixing rod (61) is provided with a pull rod (65), the other end of the fixing rod (61) is provided with a second inclined surface (64), the outer surface of the fixing rod (61) is fixedly provided with a limiting plate (63), one end of the limiting plate (63) close to the pull rod (65) is provided with a second spring (62), and the second spring (62) is movably arranged on the fixing rod (61).

4. The upper and lower double heat sink connecting structure according to claim 3, characterized by: The second spring (62) and the limiting plate (63) are located in the circular groove (52).

5. The upper and lower double heat sink connecting structure according to claim 1, characterized in that: The lower inner wall of the fixing groove (7) is provided with a plurality of linearly arranged guide grooves (72), and the lower walls of the plurality of guide grooves (72) are provided with limiting grooves (71).

6. The upper and lower double heat sink connecting structure according to claim 5, characterized by: A plurality of limiting blocks (12) are arranged in the plurality of limiting grooves (71), the upper ends of the plurality of limiting blocks (12) are provided with movable rods (11), the upper ends of the plurality of movable rods (11) pass through the plurality of guide grooves (72) respectively and are fixedly connected with a pressing plate (9) in common, the lower end of the pressing plate (9) is provided with a plurality of first springs (10), the lower ends of the plurality of first springs (10) movably contact the lower inner wall of the fixing groove (7), and the plurality of first springs (10) are movably arranged on the plurality of movable rods (11) respectively.