Insertion type cooling fin

Abstract

The utility model discloses an insert type radiating fin, which is characterized in that the upper surface of an aluminum alloy plate is provided with a limiting groove for interference installation of a radiating aluminum plate, the outside of the aluminum alloy plate is sleeved with a silica gel protective sleeve for protection, the inner side of the silica gel protective sleeve is provided with a clamping groove, and a metal heat conduction piece is arranged between an aluminum base plate and the aluminum alloy plate. A positioning mechanism for positioning the heat dissipation aluminum plate is mounted above the aluminum alloy plate; the aluminum alloy plate is sleeved with the silica gel protection sleeve, so that the silica gel protection sleeve achieves the purpose of protecting the edges of the aluminum base plate and the aluminum alloy plate, and the deformation amount of the aluminum base plate and the aluminum alloy plate colliding with foreign matter in the transportation process is reduced. Therefore, the stability of inserting the lower part of the radiating aluminum plate into the limiting groove formed in the upper surface of the aluminum alloy plate is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of radiating fin, concretely relates to a plug-in fin radiating fin. BACKGROUND

[0002] Nowadays, electronic products are more and more indispensable main accessories in the society, and in the market of the current electronic product competition, the products demanded by the public are more and more detailed, the volume is more and more small, and the function is more and more powerful, but there is a problem, that is, the heat problem; with the rapid development of social economy, the radiator has become an indispensable part of various integrated circuits, and the plug-in radiator is a common heat dissipation equipment, which is commonly used for heat dissipation of high-power electronic components.

[0003] The existing plug-in radiating fin is installed and positioned by interference when in use, but the heat dissipation aluminum plate is easily detached due to equipment vibration when only fixed by interference. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies in the prior art, the utility model provides a plug-in radiating fin, and the specific technical scheme is as follows:

[0005] A plug-in radiating fin, comprising an aluminum base plate, an aluminum alloy plate and a heat dissipation aluminum plate, the heat dissipation aluminum plates are distributed at equal intervals, the edges of the aluminum base plate and the aluminum alloy plate are welded and fixed, the upper surface of the aluminum alloy plate is provided with a limiting groove for interference installation of the heat dissipation aluminum plate, the outer part of the aluminum alloy plate is sleeved with a silica gel protective sleeve for protection, the inner side of the silica gel protective sleeve is provided with a clamping groove, a metal heat conducting piece is arranged between the aluminum base plate and the aluminum alloy plate, and a positioning mechanism for positioning the heat dissipation aluminum plate is arranged above the aluminum alloy plate.

[0006] The positioning mechanism comprises a screw rod screwed in a screw hole formed in the upper surface of the aluminum alloy plate and a clamping plate arranged at the upper end of the heat dissipation aluminum plate, both ends of the clamping plate are welded with an ear plate, the ear plate is sleeved on the upper part of the screw rod, and a positioning groove for positioning the heat dissipation aluminum plate is formed in the lower part of the clamping plate.

[0007] Preferably, the metal heat conducting piece comprises heat conducting grooves formed in the upper surface of the aluminum base plate and the lower surface of the aluminum alloy plate, and a metal heat conducting fiber mesh for heat conduction is arranged in the heat conducting grooves.

[0008] Preferably, the aluminum base plate, the aluminum alloy plate, the metal heat conducting fiber mesh and the silica gel protective sleeve are all provided with bolt holes for installation of the radiating fin.

[0009] Preferably, the limiting grooves formed in the surface of the aluminum alloy plate are distributed at equal intervals, and the heat dissipation aluminum plates and the limiting grooves are in one-to-one correspondence.

[0010] Preferably, the heat dissipation aluminum plate comprises a base inserted into the limiting groove, and a torsion part arranged at the upper end of the base, and the included angle between the upper part of the torsion part and the base is 160 degrees, and the positioning groove arranged at the lower part of the clamping plate is clamped outside the torsion part.

[0011] Compared with the prior art, the heat dissipation aluminum plate comprises a base inserted into the limiting groove, and a torsion part arranged at the upper end of the base, and the included angle between the upper part of the torsion part and the base is 160 degrees, and the positioning groove arranged at the lower part of the clamping plate is clamped outside the torsion part.

[0012] 1. The aluminum base layer plate and the aluminum alloy plate are welded at the edges, so that the aluminum alloy plate supports the aluminum base layer plate, the stability of the bottom structure of the heat dissipation fin is improved, the metal heat conduction part arranged between the aluminum base layer plate and the aluminum alloy plate enables the heat absorbed by the aluminum base layer plate to be transmitted to the aluminum alloy plate through the metal heat conduction part, so that the heat on the aluminum alloy plate is transmitted to the heat dissipation aluminum plate installed in the limiting groove, the heat dissipation aluminum plate is in contact with air, the heat is transmitted to the air, the purpose of heat dissipation of the heat dissipation fin is achieved, the silica gel protective sleeve sleeved on the aluminum alloy plate protects the edges of the aluminum base layer plate and the aluminum alloy plate, the deformation of the aluminum base layer plate and the aluminum alloy plate caused by collision with foreign matters during transportation is reduced, and the positioning mechanism installed above the aluminum alloy plate is used for positioning the heat dissipation aluminum plate, so that the stability of the heat dissipation aluminum plate inserted into the limiting groove arranged on the upper surface of the aluminum alloy plate is improved.

[0013] 2. The metal heat conduction part is composed of the heat conduction groove and the metal heat conduction fiber mesh, the metal heat conduction fiber mesh is installed in the heat conduction groove arranged on the upper surface of the aluminum base layer plate and the lower surface of the aluminum alloy plate, so that the heat absorbed by the aluminum base layer plate is transmitted to the aluminum alloy plate through the metal heat conduction fiber mesh, the area of heat transmission to the aluminum alloy plate is increased through cooperation of the aluminum base layer plate and the metal heat conduction fiber mesh, and the aluminum alloy plate is conveniently heat dissipated through the heat dissipation aluminum plate.

[0014] 3. The heat dissipation aluminum plate is composed of the base and the torsion part, the included angle between the upper part of the torsion part and the base is 160 degrees, so that the heat dissipation aluminum plate is curved, air flow in different directions is in contact with the heat dissipation aluminum plate, and the heat dissipation efficiency of the heat dissipation fin is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a sectional structure schematic view of the utility model;

[0017] Figure 3Part structure schematic view of the utility model;

[0018] Figure 4 For Figure 2 Enlarged structure schematic view of A in the middle;

[0019] Figure 5 For Figure 2 Enlarged structure schematic view of B in the middle;

[0020] Figure 6 Structure schematic view of the heat dissipation aluminum plate in the utility model.

[0021] Reference signs: 1, aluminum base plate; 2, aluminum alloy plate; 3, heat conduction groove; 4, metal heat conduction fiber net; 5, silica gel protective sleeve; 6, limiting groove; 7, heat dissipation aluminum plate; 71, base; 72, torsion part; 8, clamping plate; 9, ear plate; 10, screw rod; 11, positioning groove. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be described below in combination with the drawings and embodiments.

[0023] Please refer to Figures 1-6 The embodiment provides the following technical scheme: a plug-in fin, comprising an aluminum base plate 1, an aluminum alloy plate 2 and a heat dissipation aluminum plate 7, the heat dissipation aluminum plates 7 are distributed at equal intervals, the edges of the aluminum base plate 1 and the aluminum alloy plate 2 are welded and fixed, the upper surface of the aluminum alloy plate 2 is provided with limiting grooves 6 for interference installation of the heat dissipation aluminum plates 7, the outside of the aluminum alloy plate 2 is sleeved with silica gel protective sleeves 5 for protection, the inner side of the silica gel protective sleeves 5 is provided with clamping grooves, when the silica gel protective sleeves 5 are sleeved on the outside of the aluminum alloy plate 2, the clamping grooves provided on the inner side of the silica gel protective sleeves 5 are sleeved on the end of the heat dissipation aluminum plate 7, metal heat conduction pieces are arranged between the aluminum base plate 1 and the aluminum alloy plate 2, a positioning mechanism for positioning the heat dissipation aluminum plate 7 is arranged above the aluminum alloy plate 2, the heat dissipation aluminum plate 7 is inserted into the limiting grooves 6 in an interference mode and cooperates with the positioning mechanism, thereby increasing the firmness of the heat dissipation aluminum plate 7 after installation.

[0024] The positioning mechanism comprises a screw rod 10 that is screwed into a screw hole provided on the upper surface of the aluminum alloy plate 2 and a clamping plate 8 arranged on the upper end of the heat dissipation aluminum plate 7, ear plates 9 are welded at both ends of the clamping plate 8, the ear plates 9 are sleeved on the upper part of the screw rod 10, and a positioning groove 11 for positioning the heat dissipation aluminum plate 7 is provided on the lower part of the clamping plate 8.

[0025] In this embodiment, the aluminum base plate 1 and the aluminum alloy plate 2 are edge-welded, so that the aluminum alloy plate 2 supports the aluminum base plate 1, increasing the stability of the fin bottom structure. The metal heat-conducting member arranged between the aluminum base plate 1 and the aluminum alloy plate 2 allows the heat absorbed by the aluminum base plate 1 to be transferred to the aluminum alloy plate 2 through the metal heat-conducting member, so that the heat on the aluminum alloy plate 2 is transferred to the heat-dissipating aluminum plate 7 installed in the limiting groove 6, facilitating the heat-dissipating aluminum plate 7 to transfer heat to the air after contacting the air, achieving the purpose of heat dissipation of the fin. The silica gel protective sleeve 5 sleeved on the aluminum alloy plate 2 protects the edges of the aluminum base plate 1 and the aluminum alloy plate 2, reducing the deformation of the aluminum base plate 1 and the aluminum alloy plate 2 caused by collision with foreign objects during transportation. The positioning mechanism installed above the aluminum alloy plate 2 is used for positioning the heat-dissipating aluminum plate 7, thereby increasing the stability of the heat-dissipating aluminum plate 7 inserted into the limiting groove 6 opened on the upper surface of the aluminum alloy plate 2. The positioning mechanism is composed of the clamping plate 8, the lug plate 9, the screw rod 10 and the positioning groove 11. The lug plate 9 welded at both ends of the clamping plate 8 is sleeved on the upper end of the screw rod 10, and the lower end of the screw rod 10 is screwed into the screw hole opened on the surface of the aluminum alloy plate 2. After the positioning groove 11 opened on the lower part of the clamping plate 8 is clamped on the outside of the torsion part 72, the heat-dissipating aluminum plate 7 is fixed in the limiting groove 6 opened on the upper surface of the aluminum alloy plate 2 through the positioning mechanism, increasing the stability of the fin structure.

[0026] In this embodiment, the metal heat-conducting member includes the heat-conducting groove 3 opened on the upper surface of the aluminum base plate 1 and the lower surface of the aluminum alloy plate 2, and the metal heat-conducting fiber net 4 arranged in the heat-conducting groove 3 for heat conduction.

[0027] In this embodiment, the metal heat-conducting member is composed of the heat-conducting groove 3 and the metal heat-conducting fiber net 4, and the metal heat-conducting fiber net 4 is installed in the heat-conducting groove 3 opened on the upper surface of the aluminum base plate 1 and the lower surface of the aluminum alloy plate 2. The heat absorbed by the aluminum base plate 1 is transferred to the aluminum alloy plate 2 through the metal heat-conducting fiber net 4, so that the aluminum base plate 1 and the metal heat-conducting fiber net 4 cooperate to increase the area of heat transfer to the aluminum alloy plate 2, thereby facilitating the aluminum alloy plate 2 to dissipate heat through the heat-dissipating aluminum plate 7.

[0028] In this embodiment, the aluminum base plate 1, the aluminum alloy plate 2, the metal heat-conducting fiber net 4 and the silica gel protective sleeve 5 are all provided with bolt holes for fin installation, facilitating the installation of the fin.

[0029] In this embodiment, the limiting grooves 6 opened on the surface of the aluminum alloy plate 2 are distributed at equal intervals, and the heat-dissipating aluminum plates 7 and the limiting grooves 6 correspond one by one.

[0030] In this embodiment, the heat-dissipating aluminum plate 7 includes a base 71 inserted into the limiting groove 6, and a torsion part 72 arranged on the upper end of the base 71. The upper part of the torsion part 72 and the base 71 form an angle of 160 degrees, and the positioning groove 11 opened on the lower part of the clamping plate 8 is clamped on the outside of the torsion part 72.

[0031] In this embodiment, the heat dissipation aluminum plate 7 is composed of the base 71 and the torsion part 72, and the angle between the upper part of the torsion part 72 and the base 71 is 160 degrees, so that the heat dissipation aluminum plate 7 is curved, which is beneficial to the air flow in different directions to contact the heat dissipation aluminum plate 7, thereby improving the heat dissipation efficiency of the heat dissipation fin.

[0032] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A finned heat sink, comprising an aluminum base plate (1), an aluminum alloy plate (2), and heat-dissipating aluminum plates (7), wherein the heat-dissipating aluminum plates (7) are evenly spaced, characterized in that: The edge of the aluminum base plate (1) and the aluminum alloy plate (2) is welded and fixed, the upper surface of the aluminum alloy plate (2) is provided with a limiting groove (6) for interference installation of the heat dissipation aluminum plate (7), the outer part of the aluminum alloy plate (2) is sleeved with a silica gel protective sleeve (5) for protection, the inner side of the silica gel protective sleeve (5) is provided with a clamping groove, the metal heat conducting piece is arranged between the aluminum base plate (1) and the aluminum alloy plate (2), and the positioning mechanism for positioning the heat dissipation aluminum plate (7) is arranged above the aluminum alloy plate (2). The positioning mechanism comprises a screw rod (10) screwed in a screw hole arranged on the upper surface of the aluminum alloy plate (2), and a clamping plate (8) arranged on the upper end of the heat dissipation aluminum plate (7), both ends of the clamping plate (8) are welded with an ear plate (9), the ear plate (9) is sleeved on the upper part of the screw rod (10), and the lower part of the clamping plate (8) is provided with a positioning groove (11) for positioning the heat dissipation aluminum plate (7).

2. The insert fin of claim 1 wherein: The metal heat conducting piece comprises a heat conducting groove (3) arranged on the upper surface of the aluminum base plate (1) and the lower surface of the aluminum alloy plate (2), and the heat conducting groove (3) is provided with a metal heat conducting fiber mesh (4) for heat conduction.

3. The insert fin of claim 1 wherein: The aluminum base plate (1), the aluminum alloy plate (2), the metal heat conducting fiber mesh (4) and the silica gel protective sleeve (5) are all provided with bolt holes for installation of the heat dissipation fins.

4. The insert fin of claim 1 wherein: The limiting grooves (6) arranged on the surface of the aluminum alloy plate (2) are distributed at equal intervals, and the heat dissipation aluminum plate (7) and the limiting groove (6) are one-to-one corresponding.

5. The insert fin of claim 1 wherein: The heat dissipation aluminum plate (7) comprises a base (71) inserted into the limiting groove (6), and a torsion part (72) arranged on the upper end of the base (71), the upper part of the torsion part (72) and the base (71) form an angle of 160 degrees, The positioning groove (11) arranged on the lower part of the clamping plate (8) is clamped outside the torsion part (72). ​

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