Cooling fin convenient to assemble and disassemble

Abstract

The utility model relates to the technical field of radiating fins, in particular to a radiating fin convenient to assemble and disassemble, which comprises a radiating fin body, a portable assembling mechanism is arranged on the outer wall of the radiating fin body, the portable assembling mechanism comprises a fixing strip, the top of the fixing strip is fixedly connected with one end of sealing cloth, and the other end of the sealing cloth is fixedly connected with the other end of the fixing strip. The other end of the sealing cloth is fixedly connected with a winding roller, and the surface of the sealing cloth is fixedly connected with a flexible magnetic strip. The portable assembling mechanism is arranged, the connecting frame moves upwards, at the moment, the connecting frame drives the inserting strips to move upwards, the inserting strips are located between the heat dissipation fins of the heat dissipation fin body and tightly abut against the heat dissipation fins, and when the inserting strips move upwards, dust between the heat dissipation fins can be pushed out; the cleaning effect can be simply achieved without disassembling the integrity of the cooling fins and the base, so that the cooling fin body is convenient to disassemble and assemble after being cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of heat sinks, in particular to a portable heat sink that can be assembled and disassembled. Background Art

[0002] A heat sink is a passive cooling device used to dissipate heat from heat sources such as electronic devices and mechanical systems. Its primary function is to accelerate heat transfer and dissipation by increasing the surface area of ​​the heat source. Typically, heat sinks are made of metal materials with good thermal conductivity (such as aluminum and copper). They rely on natural convection or forced convection from a fan to dissipate heat from the device, maintaining a safe operating temperature range.

[0003] Chinese patent CN217072181U discloses "a heat sink fixing structure that is convenient for disassembling and installing the heat sink". By passing the fixing rod through the fixing hole, the connecting hole and the threaded hole, the connecting seat in the connecting groove can be quickly fixed to fix the heat sink. When the fixing rod is removed, the heat sink can be quickly disassembled. The structure is simple and easy to use, which greatly increases practicality.

[0004] Although this solution enables convenient disassembly and assembly of the heat sink, the operation process is relatively cumbersome because each heat sink needs to be disassembled separately for cleaning. Especially when there are a large number of heat sinks, the cleaning work takes a long time. At the same time, the disassembly process destroys the continuity of the overall structure of the heat sink, which will affect the heat dissipation effect. This is because the detachable structure is often not as stable as the integrated structure at the mechanical connection. This instability causes a slight displacement between the heat sink and the heat dissipation base, which increases the contact thermal resistance and reduces the heat dissipation efficiency. Moreover, repeated disassembly and assembly will cause the connection to deform, further affecting the efficiency of heat conduction.

[0005] In view of this, we propose a heat sink that can be assembled and disassembled in a portable manner. Utility Model Content

[0006] The purpose of the utility model is to provide a portable heat sink that can be assembled and disassembled, which solves the problem of reduced heat dissipation efficiency due to damage to the integrity of the heat sink, increased contact thermal resistance and deformation of the connection.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A portable heat sink for assembly and disassembly comprises a heat sink body, the outer wall of the heat sink body being provided with a portable assembly mechanism, the portable assembly mechanism comprising: a fixing bar, the top of the fixing bar being fixedly connected to one end of a sealing cloth, the other end of the sealing cloth being fixedly connected to a winding roller, the surface of the sealing cloth being fixedly connected to a flexible magnetic strip, both sides of the winding roller being fixedly connected to a rotating shaft, the outer wall of the rotating shaft being elastically connected to a connecting frame via a spiral spring, the inner wall of the connecting frame being fixedly connected to a plug-in strip, and a limiting mechanism being provided on the connecting frame and the heat sink body.

[0009] Preferably, the limiting mechanism includes a disc block, the outer wall of the disc block is elastically connected to a connecting frame through a return spring, the outer wall of the heat sink body is provided with a positioning groove, the outer wall of the disc block is fixedly connected to a sliding shaft, the outer wall of the sliding shaft is fixedly connected to a hemispherical block, and the inner wall of the connecting frame.

[0010] Preferably, the outer wall of the heat sink body is fixedly connected to the fixing bar, the bottom of the heat sink body is a base, and the base of the heat sink body and the fixing bar have the same thickness.

[0011] Preferably, the outer wall of the rotating shaft is rotatably connected to the inner wall of the connecting frame, and the plug-in strips are arranged in an array.

[0012] Preferably, one end of the spiral spring is fixedly connected to the outer wall of the rotating shaft, and the other end of the spiral spring is fixedly connected to the inner wall of the connecting frame.

[0013] Preferably, the inner wall of the connecting frame is slidably connected to the outer wall of the disc block, and the number of the positioning grooves is two, which are arranged up and down.

[0014] Preferably, the outer wall of the sliding shaft is slidably connected to the inner wall of the connecting frame, one end of the return spring is fixedly connected to the outer wall of the disc block, and the other end of the return spring is fixedly connected to the connecting frame.

[0015] Preferably, a scraping mechanism is provided on the inner wall of the connecting frame, and the scraping mechanism includes an inner cavity, one end of a scraping spring is fixedly connected to the inner wall of the inner cavity, the other end of the scraping spring is fixedly connected to a scraping member, the outer wall of the scraping member is fixedly connected to one end of a telescopic rod, the other end of the telescopic rod is fixedly connected to the inner cavity, and the interface of the scraping member is trapezoidal.

[0016] By means of the above technical solution, the present invention provides a portable heat sink that can be assembled and disassembled. It has at least the following beneficial effects:

[0017] (1) The utility model sets up a portable assembly mechanism to move the connection frame upward. At this time, the connection frame drives the plug-in strip to move upward. The plug-in strip is located between the heat fins of the heat sink body, and the plug-in strip tightly contacts the heat sink fins. When the plug-in strip moves upward, the dust between the heat sink fins can be pushed out. It does not need to disassemble the heat sink fins and the integrity of the base to simply play a cleaning role, which is convenient for disassembling the heat sink body and assembling after cleaning.

[0018] (2) The utility model sets a limit mechanism, the connecting frame drives the rotating shaft to move upward, the rotating shaft drives the winding roller to move upward, the winding roller rotates under the action of the sealing cloth, and the winding roller drives the vortex spring to store force through the rotating shaft. At this time, the flexible magnetic strip on the sealing cloth is magnetically attracted to the heat sink body, so that the gap between the heat sink fins of the heat sink body is sealed, avoiding the entry of dust during transportation and storage, and convenient to carry.

[0019] (3) The utility model sets a limiting mechanism, and the fastening bolt is rotated to move away from the hemispherical block. At this time, the vortex spring drives the rotating shaft and the winding roller to rotate and wind up the sealing cloth, so that the rotating shaft drives the connecting frame to move downward. At this time, the winding force can release the engagement between the hemispherical block and the positioning groove. When the hemispherical block moves downward to engage with the positioning groove at the bottom, the fastening bolt is rotated for secondary limiting, so as to prevent the connection frame from moving around and affecting the heat dissipation of the heat sink body.

[0020] (4) The utility model is provided with a scraping mechanism. When the connecting frame moves upward, the connecting frame drives the scraping member to move upward. The tip of the trapezoidal scraping member scrapes dust off the heat sink fins of the heat sink body, further enhancing the cleaning effect of the heat sink body. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic structural diagram of the connection frame in the present utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the sealing cloth in the present utility model;

[0025] Figure 4 For this utility model Figure 3 Schematic diagram of the enlarged structure at A in the middle;

[0026] Figure 5 This is a schematic structural diagram of the heat sink body in the present invention;

[0027] Figure 6 This is a partial cross-sectional structural diagram of the connection frame in the present utility model;

[0028] Figure 7 This is a partial cross-sectional structural diagram of the connection frame in the present utility model;

[0029] Figure 8 For this utility model Figure 7 Schematic diagram of the enlarged structure at B in the middle;

[0030] Figure 9 It is a structural schematic diagram of the scraping member in the utility model.

[0031] In the figure: 1. Heat sink body; 2. Portable assembly mechanism; 21. Fixing strip; 22. Sealing cloth; 23. Winding roller; 24. Flexible magnetic strip; 25. Rotating shaft; 26. Volute spring; 27. Connecting frame; 28. Connecting strip; 3. Limiting mechanism; 31. Positioning groove; 32. Return spring; 33. Disc block; 34. Sliding shaft; 35. Hemispherical block; 36. Fastening bolt; 4. Scraping mechanism; 41. Inner cavity; 42. Scraping spring; 43. Scraping member; 44. Telescopic rod. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] See also Figures 1-9 As shown, the present invention provides a technical solution: a portable heat sink for assembly and disassembly, comprising a heat sink body 1, the outer wall of which is provided with a portable assembly mechanism 2, the portable assembly mechanism 2 comprising: a fixing bar 21, the top of which is fixedly connected to one end of a sealing cloth 22, the other end of which is fixedly connected to a winding roller 23, the surface of which is fixedly connected to a flexible magnetic strip 24, a rotating shaft 25 fixedly connected to both sides of the winding roller 23, the outer wall of the rotating shaft 25 being elastically connected to a connecting frame 27 via a spiral spring 26, the inner wall of the connecting frame 27 being fixedly connected to a plug-in bar 28, and a limiting mechanism 3 being provided on the connecting frame 27 and the heat sink body 1. When the connecting frame 27 is moved upward, the connecting frame 27 drives the plug-in bar 28 to move upward, the plug-in bar 28 being located between the heat fins of the heat sink body 1, and the plug-in bar 28 tightly contacts the heat fins, and when the plug-in bar 28 moves upward, it can push out dust between the heat fins.

[0034] The limiting mechanism 3 includes a disc block 33, the outer wall of which is elastically connected to the connecting frame 27 via a return spring 32. The outer wall of the heat sink body 1 is provided with a positioning groove 31. The outer wall of the disc block 33 is fixedly connected to a sliding shaft 34, and the outer wall of the sliding shaft 34 is fixedly connected to a hemispherical block 35, which is connected to the inner wall of the connecting frame 27. When the connecting frame 27 is moved upward, the connecting frame 27 drives the plug-in bar 28 upward. The plug-in bar 28 is located between the heat sink fins of the heat sink body 1 and tightly contacts the heat sink fins. When the plug-in bar 28 moves upward, it can push out dust between the heat sink fins, which can be easily cleaned without disassembling the integrity of the heat sink fins and the base, making it convenient to disassemble the heat sink body 1 and reassemble it after cleaning.

[0035] The outer wall of the heat sink body 1 is fixedly connected to the fixing bar 21. The bottom of the heat sink body 1 is a base. The base of the heat sink body 1 and the fixing bar 21 have the same thickness. This allows the connection frame 27 to be flush with the base of the heat sink body 1 when it moves downward. The connection frame 27 is made of heat-conducting metal and can serve the purpose of transmitting heat. The outer wall of the rotating shaft 25 is rotatably connected to the inner wall of the connecting frame 27, and the plug-in bars 28 are arranged in an array. The gap between the heat dissipating fins of the heat sink body 1 and the plug-in bars 28 is plugged in. One end of the scroll spring 26 is fixedly connected to the outer wall of the rotating shaft 25, and the other end of the scroll spring 26 is fixedly connected to the inner wall of the connecting frame 27. When the sealing cloth 22 is pulled out, it drives the winding roller 23 to rotate, so that the sealing cloth 22 wound by the winding roller 23 is pulled out. At this time, the winding roller 23 drives the rotating shaft 25 to rotate, and the rotating shaft 25 drives the scroll spring 26 to store force.

[0036] The inner wall of the connecting frame 27 is slidably connected to the outer wall of the disc block 33. There are two positioning slots 31, which are arranged in an up-and-down arrangement. When the hemispherical block 35 moves to the top, the return spring 32 drives the disc block 33 and the sliding shaft 34 to move away from the fastening bolt 36, so that the sliding shaft 34 drives the hemispherical block 35 to engage the positioning slot 31. The outer wall of the sliding shaft 34 slides with the inner wall of the connecting frame 27. One end of the return spring 32 is fixedly connected to the outer wall of the disc block 33, and the other end of the return spring 32 is fixedly connected to the connecting frame 27. When the heat sink body 1 contacts the hemispherical block 35, the hemispherical block 35 drives the sliding shaft 34 and the disc block 33 to move toward the fastening bolt 36, and the disc block 33 causes the return spring 32 to stretch.

[0037] A scraping mechanism 4 is provided on the inner wall of the connecting frame 27. The scraping mechanism 4 includes an inner cavity 41. One end of a scraping spring 42 is fixedly connected to the inner wall of the inner cavity 41. The other end of the scraping spring 42 is fixedly connected to a scraping member 43. The scraping spring 42 plays a key elastic adjustment role in this device. Through its elastic force, the scraping member 43 is ensured to maintain close contact with the heat sink fins. The outer wall of the scraping member 43 is fixedly connected to one end of a telescopic rod 44. The other end of the telescopic rod 44 is fixedly connected to the inner cavity 41. The interface of the scraping member 43 is trapezoidal. The scraping member 43 is designed to have a trapezoidal tip, which means that its contact area is relatively small. Under the same elastic force, the smaller contact area will result in higher pressure, allowing the scraping member to more effectively apply cleaning force, thereby enhancing the scraping effect on the surface of the heat sink fins. The tip of the trapezoidal scraper 43 comes into contact with the heat fins of the heat sink body 1 under the elastic force of the scraper spring 42. When the connecting frame 27 moves upward, the tip of the trapezoidal scraper 43 scrapes dust off the heat fins of the heat sink body 1, further enhancing the cleaning effect on the heat sink body 1.

[0038] When the portable heat sink of the present invention is used, the connecting frame 27 is moved upward. At this time, the connecting frame 27 drives the plug-in bar 28 to move upward. The plug-in bar 28 is located between the heat dissipation fins of the heat sink body 1, and the plug-in bar 28 tightly contacts the heat dissipation fins. When the plug-in bar 28 moves upward, the dust between the heat dissipation fins can be pushed out, which plays a cleaning role. The integrity of the heat dissipation fins and the base can be simply cleaned without disassembling, which facilitates the assembly of the heat sink body 1 after cleaning.

[0039] When the connecting frame 27 moves to the top of the heat sink body 1, the return spring 32 drives the disc block 33 and the sliding shaft 34 to move in the direction away from the fastening bolt 36, so that the sliding shaft 34 drives the hemispherical block 35 to initially engage with the positioning groove 31. At this time, the fastening bolt 36 is rotated until it contacts the disc block 33. At this time, the sliding shaft 34 and the hemispherical block 35 are limited. At this time, the connecting frame 27 cannot move up and down freely, and the connecting frame 27 drives the rotating shaft 25 to move upward. The rotating shaft 25 drives the winding roller 23 to move upward. The winding roller 23 rotates under the action of the sealing cloth 22, and the winding roller 23 drives the spiral spring 26 to store force through the rotating shaft 25. At this time, the flexible magnetic strip 24 on the sealing cloth 22 is aligned with the heat sink body. The body 1 is magnetically attracted, so that the gaps between the heat dissipation fins of the heat sink body 1 are sealed, preventing the entry of dust during transportation and storage, making it easy to carry. When assembly is required, the fastening bolt 36 is rotated to move in the direction away from the hemispherical block 35. At this time, the spiral spring 26 drives the rotating shaft 25 and the winding roller 23 to rotate and wind up the sealing cloth 22, so that the rotating shaft 25 drives the connecting frame 27 to move downward. At this time, the winding force can release the engagement between the hemispherical block 35 and the positioning groove 31. When the hemispherical block 35 moves downward to engage with the positioning groove 31 at the bottom, the fastening bolt 36 is rotated for secondary limiting to prevent the disorderly movement of the connecting frame 27 from affecting the heat dissipation of the heat sink body 1, further facilitating the assembly and disassembly of the heat sink body 1.

[0040] When the connecting frame 27 moves upward, the connecting frame 27 drives the scraper 43 to move upward, and the tip of the trapezoidal scraper 43 scrapes dust from the heat sink fins of the heat sink body 1, further enhancing the cleaning effect on the heat sink body 1.

[0041] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable heat sink for assembly and disassembly, comprising a heat sink body (1), characterized in that: The outer wall of the heat sink body (1) is provided with a portable assembly mechanism (2), and the portable assembly mechanism (2) comprises: A fixing strip (21), the top of the fixing strip (21) is fixedly connected to one end of a sealing cloth (22), the other end of the sealing cloth (22) is fixedly connected to a winding roller (23), the surface of the sealing cloth (22) is fixedly connected to a flexible magnetic strip (24), both sides of the winding roller (23) are fixedly connected to a rotating shaft (25), the outer wall of the rotating shaft (25) is elastically connected to a connecting frame (27) through a spiral spring (26), the inner wall of the connecting frame (27) is fixedly connected to a plug-in strip (28), and a limiting mechanism (3) is provided on the connecting frame (27) and the heat sink body (1).

2. The portable heat sink for assembly and disassembly according to claim 1, characterized in that: The limiting mechanism (3) comprises a disc block (33), the outer wall of the disc block (33) is elastically connected to a connecting frame (27) via a return spring (32), a positioning groove (31) is provided on the outer wall of the heat sink body (1), the outer wall of the disc block (33) is fixedly connected to a sliding shaft (34), the outer wall of the sliding shaft (34) is fixedly connected to a hemispherical block (35), and the inner wall of the connecting frame (27).

3. The portable heat sink capable of assembly and disassembly according to claim 1, characterized in that: The outer wall of the heat sink body (1) is fixedly connected to the fixing strip (21), the bottom of the heat sink body (1) is a base, and the base of the heat sink body (1) and the fixing strip (21) have the same thickness.

4. The portable heat sink capable of assembly and disassembly according to claim 1, characterized in that: The outer wall of the rotating shaft (25) is rotatably connected to the inner wall of the connecting frame (27), and the plug-in strips (28) are arranged in an array.

5. The portable heat sink capable of assembly and disassembly according to claim 1, characterized in that: One end of the spiral spring (26) is fixedly connected to the outer wall of the rotating shaft (25), and the other end of the spiral spring (26) is fixedly connected to the inner wall of the connecting frame (27).

6. The portable heat sink capable of assembly and disassembly according to claim 2, characterized in that: The inner wall of the connecting frame (27) is slidably connected to the outer wall of the disc block (33), and the number of the positioning grooves (31) is two, and the two positioning grooves (31) are arranged in an upper and lower direction.

7. The portable heat sink capable of assembly and disassembly according to claim 2, characterized in that: The outer wall of the sliding shaft (34) is slidably connected to the inner wall of the connecting frame (27), one end of the return spring (32) is fixedly connected to the outer wall of the disc block (33), and the other end of the return spring (32) is fixedly connected to the connecting frame (27).

8. The portable heat sink capable of assembly and disassembly according to claim 2, characterized in that: A scraping mechanism (4) is provided on the inner wall of the connecting frame (27), and the scraping mechanism (4) includes an inner cavity (41), one end of a scraping spring (42) is fixedly connected to the inner wall of the inner cavity (41), the other end of the scraping spring (42) is fixedly connected to a scraping member (43), the outer wall of the scraping member (43) is fixedly connected to one end of a telescopic rod (44), the other end of the telescopic rod (44) is fixedly connected to the inner cavity (41), and the interface of the scraping member (43) is trapezoidal.

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