Die-casting aluminum radiator fin

Abstract

The utility model discloses a die-casting aluminum radiator fin which comprises radiating fins, round holes are formed in the radiating fins, radiating pipes penetrate through the round holes, connecting structures are arranged at the round holes, each connecting structure comprises an annular disc, the outer wall of each disc is in interference fit with the hole wall of the corresponding round hole, a plurality of sets of sliding holes are formed in each disc in the radial direction, and the sliding holes are symmetrical about the center of the corresponding disc. A clamping assembly is arranged in the sliding hole and comprises an inner sliding block, an outer sliding block and an elastic piece, the elastic piece is connected with the inner sliding block and the outer sliding block so as to apply elastic force to the inner sliding block and the outer sliding block, after installation, the outer end face of the outer sliding block abuts against the hole wall of the round hole, and the inner end face of the inner sliding block abuts against the pipe wall of the heat dissipation pipe and is clamped. According to the scheme, the disc is pressed into the round hole of the cooling fin, the two sliding blocks are arranged in the disc and connected through the elastic piece, after installation, the inner sliding blocks bear the elastic force of the elastic piece and firmly abut against the cooling pipe to form a clamping connection structure, installation of the cooling fin is achieved, and compared with a welding structure, the structure does not need to be welded, and installation and disassembly are convenient.

Description

Technical Field

[0001] The utility model relates to a radiator fin for a radiator, in particular to a die-cast aluminum radiator fin. Background Art

[0002] A radiator refers to a device used for heating, which has a heat pipe and a heat sink. The heat sink is fixed on a heat plate to improve the heat dissipation efficiency. Radiators are widely used in various civil and public buildings such as residential, office, hotel, shopping mall, hospital, school, train carriages, mobile heating, simple mobile houses, etc.

[0003] For example, the patent with application number CN201710241398.1 discloses a finned heat sink including an air collecting tube, a liquid collecting tube, fins and a plurality of base tubes, wherein the plurality of base tubes are arranged at intervals, the two ends of the base tubes are respectively connected to the air collecting tube and the liquid collecting tube, and the fins are connected to the tube body of at least one base tube. A finned heat sink provided in an embodiment of the present invention transfers the heat of the base tube to the fin by connecting the fin to the tube body of at least one base tube, thereby increasing the heat exchange area and improving the heat exchange efficiency.

[0004] At present, the heat sink is generally fixed to the heat pipe by welding. Due to the large number of heat sinks, it takes a lot of time to weld each heat sink, which reduces production efficiency and increases production costs. Utility Model Content

[0005] Based on the disadvantages of low welding production efficiency and high cost caused by the welding structure of the radiator fin in the prior art, the utility model provides a die-cast aluminum radiator fin.

[0006] The technical solution adopted by the utility model to solve the above technical problems is: a die-cast aluminum radiator, including a heat dissipation fin, a circular hole for the heat dissipation tube to pass through is provided on the heat dissipation fin, a connecting structure is provided at the circular hole, the connecting structure includes an annular disc, the outer wall of the disc is interference-fitted with the hole wall of the circular hole, a plurality of groups of sliding holes symmetrical about the center of the circular plate are radially provided inside the disc, a clamping assembly is provided in the sliding hole, the clamping assembly includes an inner slider, an outer slider and an elastic member, the elastic member is connected to the inner slider and the outer slider to apply elastic force to the inner slider and the outer slider, after installation, the outer end face of the outer slider abuts against the hole wall of the circular hole, and the inner end face of the inner slider abuts against the tube wall of the heat dissipation tube and is clamped. In this solution, a disc is pressed into the circular hole of the heat dissipation fin, two sliders are provided in the disc and connected by an elastic member, after installation, the inner slider is subjected to the elastic force of the elastic member and firmly abuts against the heat dissipation tube to form a clamping connection structure to realize the installation of the heat dissipation fin, compared with the welding structure, this structure does not require welding, and is easy to install and disassemble.

[0007] Preferably, the elastic member is an elastic spring, and mounting posts are provided at the outer end surface of the inner slider and the inner end surface of the outer slider, and the elastic spring is sleeved on the mounting posts. When the elastic member is an elastic spring, the elastic force of the elastic spring needs to be calculated in advance to ensure the stability of the clamping.

[0008] Preferably, a locking hole is provided on the disc, a locking bolt is provided in the locking hole, and the inner end of the locking bolt can be pressed against the inner slider to lock the inner slider. The locking bolt is used to press the inner slider to further improve the stability of the clamping.

[0009] Preferably, the elastic member is a spring sheet, which is embedded in the sliding hole and has two ends abutting against the outer end surface of the inner slide block and the inner end surface of the outer slide block. The middle part of the spring sheet can be set as an arc-shaped arched structure.

[0010] Preferably, the disc is provided with an adjusting screw hole, in which an adjusting bolt is provided, and the inner end of the adjusting bolt can be pressed against the spring sheet to adjust the elastic force of the spring sheet. When the adjusting bolt is tightened, pressure is applied to the arched structure of the spring sheet, and the spring sheet applies greater elastic force to the two sliders, thereby ensuring the stability of the clamping.

[0011] Preferably, the inner hole of the disk is provided with a plurality of notches arranged along the radial direction of the disk, the inner end of the sliding hole is located at the notch, and the inner slider extends to the notch when sliding inward. When there is an uneven structure on the surface of the heat pipe, the unevenness can be placed at the notch, and the uneven area can be pressed by the inner slider, and the soft gasket can be used to press during the pressing, so as to avoid the problem that the heat dissipation fins cannot be installed due to the uneven surface of the heat pipe.

[0012] Preferably, the outer end surface of the outer slider is an arc surface with the same arc as the outer wall of the disk. This structure can increase the fit between the outer slider and the hole wall of the circular hole.

[0013] Preferably, the inner end surface of the inner slider is an arc surface with the same arc as the inner side wall of the disk. This structure can increase the fit between the inner slider and the surface of the heat dissipation pipe.

[0014] Preferably, the sliding holes are arranged in three groups of six, and the six sliding hole arrays are evenly distributed on the disc.

[0015] Preferably, the heat dissipation fin is a flat plate structure or the cross section of the heat dissipation fin is H-shaped.

[0016] Compared with the prior art, the advantages of the utility model are as follows: a disc is pressed into the circular hole of the heat sink fin, and two sliders are provided inside the disc and connected by an elastic member. After installation, the inner slider is firmly pressed against the heat sink tube by the elastic force of the elastic member to form a clamping connection structure to achieve the installation of the heat sink fin. Compared with the welding structure, this structure does not require welding and is easy to install and disassemble.

[0017] Preferably, the elastic member is an elastic spring, and mounting posts are provided at the outer end surface of the inner slider and the inner end surface of the outer slider, and the elastic spring is sleeved on the mounting posts. When the elastic member is an elastic spring, the elastic force of the elastic spring needs to be calculated in advance to ensure the stability of the clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be used as a limitation on the scope of the present invention. In addition, unless otherwise specified, the drawings are only schematically representing the composition or structure of the described object and may contain exaggerated displays, and the drawings are not necessarily drawn to scale.

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is the front view of the utility model;

[0021] Figure 3 is a three-dimensional diagram of the connection structure;

[0022] Figure 4 is a cross-sectional view of the connection structure;

[0023] Figure 5 It is a cross-sectional view of the connection structure;

[0024] Figure 6 It is a schematic diagram of the internal structure of the connection structure (spring clip);

[0025] Figure 7 Schematic diagram of the internal structure of the connection structure (elastic spring);

[0026] In the figure: 10, heat dissipation fin; 101, round hole; 20, disc; 200, sliding hole; 201, inner slider; 202, outer slider; 203, spring; 204, adjusting bolt; 205, locking bolt; 206, elastic spring. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It will be appreciated by those skilled in the art that these descriptions are only illustrative and exemplary and should not be construed as limiting the scope of protection of the present invention.

[0028] Die-cast aluminum heat sink fins, such as Figure 1-7As shown, it includes an aluminum heat dissipation fin 10, and a circular hole 101 for the heat dissipation pipe to pass through is provided on the heat dissipation fin 10, and a connecting structure is provided at the circular hole 101, and the connecting structure includes an annular disk 20, and the outer wall of the disk 20 is interference fit with the hole wall of the circular hole 101, and a plurality of groups of sliding holes 200 symmetrical about the center of the circular plate are radially provided in the disk 20, and a clamping assembly is provided in the sliding hole 200, and the clamping assembly includes an inner slider 201, an outer slider 202 and an elastic member, and the elastic member is connected to the inner slider 201 and the outer slider 202 to apply elastic force to the inner slider 201 and the outer slider 202. After installation, the outer end face of the outer slider 202 abuts against the hole wall of the circular hole 101, and the inner end face of the inner slider 201 abuts against the tube wall of the heat dissipation tube and is clamped. In this solution, a disc 20 is pressed into the circular hole 101 of the heat sink 10. Two sliders are provided inside the disc 20 and connected by an elastic member. After installation, the inner slider 201 is firmly pressed against the heat sink due to the elastic force of the elastic member to form a clamping connection structure to achieve the installation of the heat sink 10. Compared with the welding structure, this structure does not require welding and is easy to install and disassemble.

[0029] like Figure 7 As shown, the elastic member is an elastic spring 206, and mounting posts are provided at the outer end surface of the inner slider 201 and the inner end surface of the outer slider 202, and the elastic spring 206 is sleeved on the mounting posts. When the elastic member is an elastic spring 206, the elastic force of the elastic spring 206 needs to be calculated in advance to ensure the stability of the clamping.

[0030] like Figure 7 As shown, a locking hole is provided on the disk 20, and a locking bolt 205 is provided in the locking hole. The inner end of the locking bolt 205 can be pressed against the inner slider 201 to lock the inner slider 201. The locking bolt 205 is used to press the inner slider 201 to further improve the stability of the clamping. When the elastic member is an elastic spring 206, the adjusting bolt 204 is not provided on the disk 20.

[0031] like Figure 4-6 As shown, the elastic member is a spring sheet 203, which is embedded in the sliding hole 200 and has two ends abutting against the outer end surface of the inner slider 201 and the inner end surface of the outer slider 202. The middle part of the spring sheet 203 can be set as an arc-shaped arched structure.

[0032] like Figure 4-6 As shown, the disk 20 is provided with an adjusting screw hole, and an adjusting bolt 204 is provided in the adjusting screw hole. The inner end of the adjusting bolt 204 can be pressed against the spring sheet 203 to adjust the elastic force of the spring sheet 203. When the adjusting bolt 204 is tightened, pressure is applied to the arched structure of the spring sheet 203, and the spring sheet 203 applies a greater elastic force to the two sliders, which can ensure the stability of the clamping. When the elastic member is the spring sheet 203, a locking bolt 205 can also be provided on the disk 20.

[0033] Preferably, the inner hole of the disk 20 is provided with a plurality of notches arranged along the radial direction of the disk 20, the inner end of the sliding hole 200 is located at the notch, and the inner slider 201 extends to the notch when sliding inward. When there is an uneven structure on the surface of the heat pipe, the unevenness can be placed at the notch, and the uneven area can be pressed by the inner slider 201, and the soft gasket can be used to press during the pressing, so as to avoid the problem that the heat dissipation fin 10 cannot be installed due to the uneven surface of the heat pipe.

[0034] like Figure 3 As shown, the outer end surface of the outer slider 202 is an arc surface with the same arc as the outer wall of the disk 20. This structure can increase the fit between the outer slider 202 and the wall of the circular hole 101.

[0035] like Figure 3 As shown, the inner end surface of the inner slider 201 is an arc surface with the same arc as the inner side wall of the disk 20. This structure can increase the fit between the inner slider 201 and the surface of the heat dissipation pipe.

[0036] Preferably, the sliding holes 200 are provided in three groups of six, and the six sliding holes 200 are evenly distributed on the disk 20 .

[0037] like Figure 1-2 As shown, the heat dissipation fin 10 is a flat plate structure or the cross section of the heat dissipation fin 10 is H-shaped.

[0038] The die-cast aluminum radiator provided by the utility model is introduced above. The principle and implementation method of the utility model are described in this article using specific examples. The description of the above embodiments is only used to help understand the utility model and its core ideas. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified in a number of ways, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A die-cast aluminum radiator, comprising radiating fins, the radiating fins being provided with circular holes for the radiating pipes to pass through, characterized in that: A connecting structure is provided at the circular hole, and the connecting structure includes an annular disc, and the outer wall of the disc is interference fit with the hole wall of the circular hole. A plurality of sliding holes symmetrical about the center of the circular plate are radially provided inside the disc, and a clamping assembly is provided in the sliding hole. The clamping assembly includes an inner slider, an outer slider and an elastic member, and the elastic member is connected to the inner slider and the outer slider to apply elastic force to the inner slider and the outer slider. After installation, the outer end face of the outer slider abuts against the hole wall of the circular hole, and the inner end face of the inner slider abuts against the tube wall of the heat dissipation tube and is clamped.

2. The die-cast aluminum radiator fin according to claim 1, characterized in that: The elastic member is an elastic spring. The outer end surface of the inner slider and the inner end surface of the outer slider are provided with mounting columns, and the elastic spring is sleeved on the mounting columns.

3. The die-cast aluminum radiator fin according to claim 1 or 2, characterized in that: A locking hole is arranged on the disc, a locking bolt is arranged in the locking hole, and the inner end of the locking bolt can be pressed against the inner sliding block to lock the inner sliding block.

4. The die-cast aluminum radiator fin according to claim 1, characterized in that: The elastic member is a spring sheet, which is embedded in the sliding hole and has two ends abutting against the outer end surface of the inner sliding block and the inner end surface of the outer sliding block.

5. The die-cast aluminum radiator fin according to claim 4, characterized in that: An adjusting screw hole is arranged on the disc, an adjusting bolt is arranged in the adjusting screw hole, and the inner end of the adjusting bolt can be pressed against the spring sheet to adjust the elastic force of the spring sheet.

6. The die-cast aluminum heat sink according to claim 1, characterized in that: A plurality of notches are arranged along the radial direction of the disc at the inner hole of the disc, the inner end of the sliding hole is located at the notch, and the inner sliding block extends to the notch when sliding inward.

7. The die-cast aluminum radiator fin according to claim 1, characterized in that: The outer end surface of the outer sliding block is an arc surface with the same arc as the outer side wall of the disk.

8. The die-cast aluminum heat sink according to claim 1, characterized in that: The inner end surface of the inner sliding block is an arc surface with the same arc as the inner side wall of the disc.

9. The die-cast aluminum heat sink according to claim 1, characterized in that: The sliding holes are arranged in three groups of six, and the six sliding hole arrays are evenly distributed on the disc.

10. The die-cast aluminum heat sink according to claim 1, characterized in that: The heat dissipation fin is a flat plate structure or the cross section of the heat dissipation fin is H-shaped.

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