Dustproof composite cooling fin convenient to clean

By installing a non-woven dustproof cloth on the heat sink and incorporating a built-in auxiliary dust cleaning component, the problems of reduced heat dissipation and inconvenient cleaning caused by dust accumulation are solved, achieving convenient dust blocking and cleaning effects.

CN224098023UActive Publication Date: 2026-04-07WU XI HUA JIE DIAN ZI KE JI YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing composite heat sinks tend to accumulate dust after long-term use, hindering heat conduction and dissipation, and the dust between the heat sinks is inconvenient to clean.

Method used

The system employs a separate fan module equipped with a non-woven dustproof cloth for initial filtration, combined with a built-in auxiliary dust removal component for manual cleaning via a duster brush. The design includes a vertical structural plate, toothed grooves, a linkage plate, a driven shaft, and a duster brush, enabling effective dust removal.

Benefits of technology

It effectively prevents dust from entering the heatsink, ensuring stable heat dissipation, and allows for easy cleaning of the separate fan module and internal structure when needed, solving the problem of inconvenient dust cleaning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of radiating fins, in particular to a dustproof composite radiating fin convenient to clean, which comprises a radiating fin shell, a clamping jaw and a built-in auxiliary dust cleaning assembly, a separated fan module is arranged in the upper end of the cooling fin shell; non-woven fabric dust blocking cloth is arranged on the upper end face of the separated fan module; a magnetic strip is arranged on the upper end surface of the separated fan module; the lower end face of the non-woven fabric dust blocking cloth is provided with a magnetic attraction piece matched with the magnetic strip. The lower end part of the radiating fin shell is fixedly connected with a contact patch; the upper end face of the contact patch is fixedly connected with heat dissipation fins. A built-in auxiliary dust removal assembly is arranged on the outer side of the heat dissipation fins. The linkage plate can move along the vertical structural plate under the cooperation of the sliding clamping block and the guide sliding groove by shifting the manual push rod, the driven gear is meshed with the tooth groove, and the linkage plate can drive the driven shaft rod to rotate when moving, so that the feather duster brush rotates and cleans gaps on the outer sides of the heat dissipation fins.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a fin technical field especially, it relates to a dustproof composite fin convenient to clean. BACKGROUND

[0002] Now electronic equipment develops to high performance, miniaturization constantly, and the chip inside it will produce a large amount of heat when long time running, therefore will often use the fin to ensure that electronic equipment will not be too high in temperature in long time work, to assist the heat dissipation of internal components, can make the equipment still maintain good performance in long time use.

[0003] The existing composite fin is mostly through the metal heat conduction sheet and fan combination use, but dust is easy to accumulate on the fin after long-term use, hinders the conduction and emission of heat and thereby influences the heat dissipation effect, and the cleaning of dust between the gaps of the fin is inconvenient, makes the whole cleaning process become cumbersome.

[0004] Therefore, in view of the above-mentioned problems that the existing fin is easy to accumulate dust on the fin after long-term use, hinders the conduction and emission of heat and thereby influences the heat dissipation effect, and the cleaning of dust between the gaps of the fin is inconvenient, the utility model can be filtered and blocked by the non-woven dust cloth on the separation type fan module, and the dust between the gaps of the fin can be cleaned by the manual adjustment of the dustpan brush on the both sides of the single fin, improving the use convenience. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the existing fin is easy to accumulate dust on the fin after long-term use, hinders the conduction and emission of heat and thereby influences the heat dissipation effect, and the cleaning of dust between the gaps of the fin is inconvenient.

[0006] The technical scheme of the utility model is: a dustproof composite fin convenient to clean, comprising a fin shell, a clamping jaw and an auxiliary dust cleaning assembly, the upper end of the fin shell is internally provided with a separation type fan module, the upper end face of the separation type fan module is provided with a non-woven dust cloth, the upper end face of the separation type fan module is provided with a magnetic strip, the lower end face of the non-woven dust cloth is provided with a magnetic attraction piece matched with the magnetic strip, the lower end of the fin shell is fixedly connected with a contact patch, the upper end face of the contact patch is fixedly connected with a fin, the outer side of the fin is provided with an auxiliary dust cleaning assembly, the lower end of the separation type fan module is fixedly connected with a plug rod, the lower end of the plug rod is provided with a rubber top, and the outer side of the plug rod is provided with a clamping groove.

[0007] Preferably, the inner wall of the heat dissipation fin shell is fixedly connected with a fixed mounting plate; four fixed mounting plates are symmetrically arranged on the inner wall of the fixed mounting plate; the upper end of the fixed mounting plate is provided with a clamping jaw; and the clamping jaw is connected with the insertion rod, the rubber top and the clamping groove.

[0008] Preferably, the built-in auxiliary ash removal assembly comprises a vertical structure plate, a tooth groove, a linkage plate and a synchronous short plate; the inner wall of the bottom end of the heat dissipation fin shell is fixedly connected with the vertical structure plate; the two sides of the vertical structure plate are provided with tooth grooves; the inner side of the heat dissipation fin shell is provided with a linkage plate; and the inner side of the linkage plate is fixedly connected with a synchronous short plate.

[0009] Preferably, the built-in auxiliary ash removal assembly further comprises a driven shaft, a driven gear and a duster brush; the inner side of the synchronous short plate is rotatably connected with two driven shafts; the outer end of the driven shaft is fixedly connected with a driven gear; the driven gear is engaged with the tooth groove; the outer end of the driven shaft is fixedly connected with a duster brush; and the two driven shafts and the duster brush are arranged on the outer side of the heat dissipation fin.

[0010] Preferably, the built-in auxiliary ash removal assembly further comprises a magnet block and a guide sliding groove; the bottom end of the linkage plate and the inner wall of the bottom end of the heat dissipation fin shell are provided with magnet blocks; and the side end of the vertical structure plate is provided with a guide sliding groove.

[0011] Preferably, the built-in auxiliary ash removal assembly further comprises a sliding clamping block and a manual push rod; the inner side of the guide sliding groove is slidably connected with a sliding clamping block; the side end of the sliding clamping block is fixedly connected to the inner side of the linkage plate; and the outer side of the linkage plate is fixedly connected with a manual push rod.

[0012] Preferably, the side end of the heat dissipation fin shell is provided with a limiting through groove matched with the manual push rod; and the manual push rod is slidably connected to the inner side of the limiting through groove.

[0013] The utility model discloses beneficial effects:

[0014] 1. The non-woven fabric dust screen arranged on the upper end of the separated fan module in the use process of the anti-precipitation device can effectively prevent dust from entering the heat dissipation fin, and the separated fan module is installed on the heat dissipation fin shell through the cooperation of the insertion rod, the rubber top, the clamping groove and the clamping jaw. This connection mode is not only stable, but also can conveniently take down the separated fan module from the heat dissipation fin shell when cleaning is needed, so that the fan module and the heat dissipation fin shell can be comprehensively cleaned, and the problem of cleaning dead angle caused by the fixed installation of the fan module is avoided.

[0015] 2, by manual dialing hand push rod, linkage plate will be in the cooperation of sliding block and guide sliding groove along the vertical structure plate, due to the meshing of driven gear and gear slot, the linkage plate moves when driving shaft rod will be rotated, thus the dusting brush rotates on the outside of the heat dissipation fin cleaning, effectively solve the heat dissipation fin gap dust not easy to clean the situation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The overall three-dimensional structure of the heat dissipation fin is shown.

[0017] Figure 2 The three-dimensional structure of the contact patch is shown.

[0018] Figure 3 The three-dimensional structure of the Figure 2 The three-dimensional structure of the middle A is shown.

[0019] Figure 4 The three-dimensional structure of the linkage plate is shown.

[0020] Figure 5 The three-dimensional structure of the Figure 4 The three-dimensional structure of the middle B is shown.

[0021] Figure 6 The three-dimensional structure of the Figure 4 The three-dimensional structure of the middle C is shown.

[0022] Figure 7 The three-dimensional structure of the magnet block is shown.

[0023] Figure 8 The three-dimensional structure of the Figure 7 The three-dimensional structure of the middle D is shown.

[0024] BRIEF DESCRIPTION OF DRAWINGS: 1, heat dissipation fin shell; 2, separate fan module; 3, non-woven dust cloth; 4, magnetic strip; 5, contact patch; 6, heat dissipation fin; 201, plug rod; 202, rubber head; 203, clamping groove; 204, fixed mounting plate; 205, clamping jaw; 601, vertical structure plate; 602, gear slot; 603, linkage plate; 604, synchronous short plate; 605, driven shaft; 606, driven gear; 607, dusting brush; 608, magnet block; 609, guide sliding groove; 610, sliding block; 611, manual push rod. DETAILED DESCRIPTION

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] Please refer to Figures 1-8 The present application provides an embodiment: a dustproof composite heat sink convenient to clean, comprising a heat sink shell 1, a clamping jaw 205 and an auxiliary dust removal assembly; the upper end of the heat sink shell 1 is internally provided with a detachable fan module 2; the upper end face of the detachable fan module 2 is provided with a non-woven fabric dust screen 3; the upper end face of the detachable fan module 2 is provided with a magnetic strip 4; the lower end face of the non-woven fabric dust screen 3 is provided with a magnetic suction piece matched with the magnetic strip 4; the lower end of the heat sink shell 1 is fixedly connected with a contact patch 5; the upper end face of the contact patch 5 is fixedly connected with a heat dissipation fin 6; the outer side of the heat dissipation fin 6 is provided with the auxiliary dust removal assembly; the lower end of the detachable fan module 2 is fixedly connected with a plug rod 201; the lower end of the plug rod 201 is provided with a rubber top 202; the outer side of the plug rod 201 is provided with a clamping groove 203.

[0027] The inner wall of the heat sink shell 1 is symmetrically provided with four fixed mounting plates 204; the upper end of each fixed mounting plate 204 is provided with a clamping jaw 205; the clamping jaw 205 is connected with the plug rod 201, the rubber top 202 and the clamping groove 203; the detachable fan module 2 is installed on the heat sink shell 1 through the cooperation of the plug rod 201, the rubber top 202, the clamping groove 203 and the clamping jaw 205; this connection mode is not only stable, but also can conveniently remove the detachable fan module from the heat sink shell 1 when cleaning is needed.

[0028] The auxiliary dust removal assembly comprises a vertical structure plate 601, a tooth groove 602, a linkage plate 603 and a synchronous short plate 604; the bottom end of the heat sink shell 1 is fixedly connected with the vertical structure plate 601; the tooth groove 602 is formed on the two sides of the vertical structure plate 601; the inner side of the heat sink shell 1 is provided with the linkage plate 603; the inner side of the linkage plate 603 is fixedly connected with the synchronous short plate 604; when the linkage plate 603 moves, the driven gear 606 rolls on the tooth groove 602, thereby driving the driven shaft 605 to rotate.

[0029] The built-in auxiliary dust cleaning assembly further comprises a driven shaft rod 605, a driven gear 606 and a duster brush 607; the inner end of the synchronous short plate 604 is rotatably connected with two driven shaft rods 605; the outer end of the driven shaft rod 605 is fixedly connected with the driven gear 606; the driven gear 606 is engaged with the gear slot 602; the outer end of the driven shaft rod 605 is fixedly connected with the duster brush 607; and the two driven shaft rods 605 and the duster brush 607 are installed on the outer side of the heat dissipation fin 6. The duster brush 607 fixedly connected with the outer end of the driven shaft rod 605 rotates with the rotation of the driven shaft rod 605, and the duster brush 607 is installed on the outer side of the heat dissipation fin 6, so that the heat dissipation fin 6 can be cleaned to remove the dust in the gap.

[0030] The built-in auxiliary dust cleaning assembly further comprises a magnet block 608 and a guide sliding groove 609; the lower end of the linkage plate 603 and the inner wall of the bottom end of the heat dissipation fin shell 1 are provided with the magnet block 608; the side end of the vertical structure plate 601 is provided with the guide sliding groove 609, and the guide sliding groove 609 of the side end of the vertical structure plate 601 cooperates with the sliding clamping block 610 to ensure the stability and accuracy of the movement of the linkage plate 603.

[0031] The side end of the heat dissipation fin shell 1 is provided with a limiting through slot matched with the manual push rod 611; the manual push rod 611 is slidingly connected to the inside of the limiting through slot, and the manual push rod 611 can slide in the limiting through slot at the side end of the heat dissipation fin shell 1, so that the manual push rod 611 can drive the linkage plate 603 to move.

[0032] Working principle: according to Figures 1-5 , first, the non-woven dust cloth 3 can form a dust filtering layer, which can effectively block dust and other impurities, prevent them from entering the inside of the heat dissipation fin, and avoid dust accumulation on the heat dissipation fin 6, thereby ensuring the stability of the heat dissipation effect. When the non-woven dust cloth 3 accumulates a lot of dust, since it is connected by the magnetic strip 4, the user can easily remove it for cleaning or replacement. Then, the detachable fan module 2 is installed on the heat dissipation fin shell 1 through the cooperation of the insertion rod 201, the rubber top 202, the clamping groove 203 and the clamping jaw 205. This connection method is not only stable, but also can easily remove the detachable fan module 2 from the heat dissipation fin shell 1 when cleaning is needed, and the inside of the fan module 2 and the heat dissipation fin shell 1 can be thoroughly cleaned after removal.

[0033] According to Figures 6-8 , the manual push rod 611 is moved to drive the linkage plate 603 to move, and when the linkage plate 603 moves, the driven gear 606 rolls on the gear slot 602 to drive the driven shaft rod 605 to rotate, and the duster brush 607 rotates with the rotation of the driven shaft rod 605, and the duster brush 607 is installed on the outer side of the heat dissipation fin 6, so that the heat dissipation fin 6 can be cleaned to remove the dust in the gap.

[0034] The above is the working process of the entire device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dustproof composite heat sink that is easy to clean, comprising a heat sink housing (1); characterized in that: It also includes a claw (205) and a built-in auxiliary dust removal component; a separate fan module (2) is provided inside the upper end of the heat sink housing (1); a non-woven dustproof cloth (3) is provided on the upper end surface of the separate fan module (2); a magnetic strip (4) is provided on the upper end surface of the separate fan module (2); a magnetic suction piece adapted to the magnetic strip (4) is provided on the lower end surface of the non-woven dustproof cloth (3); a contact patch (5) is fixedly connected to the lower end of the heat sink housing (1); a heat dissipation fin (6) is fixedly connected to the upper end surface of the contact patch (5); a built-in auxiliary dust removal component is provided on the outer side of the heat dissipation fin (6); a plug (201) is fixedly connected to the lower end of the separate fan module (2); a rubber top (202) is provided on the lower end of the plug (201); a slot (203) is opened in the outer curved surface of the plug (201).

2. The dustproof composite heat sink that is easy to clean according to claim 1, characterized in that: The inner wall of the heat sink housing (1) is symmetrically provided with four fixed mounting plates (204); each fixed mounting plate (204) is equipped with a claw (205) at its upper end; and the claw (205) is engaged with the insertion rod (201), the rubber top (202) and the slot (203).

3. The dustproof composite heat sink that is easy to clean according to claim 1, characterized in that: The built-in auxiliary dust removal assembly includes a vertical structural plate (601), a toothed groove (602), a linkage plate (603), and a synchronization short plate (604); the vertical structural plate (601) is fixedly connected to the inner wall of the bottom end of the heat sink housing (1); the toothed groove (602) is provided on both sides of the vertical structural plate (601); the linkage plate (603) is provided on the inner side of the heat sink housing (1); the synchronization short plate (604) is fixedly connected to the inner side of the linkage plate (603).

4. The dustproof composite heat sink that is easy to clean according to claim 3, characterized in that: The built-in auxiliary dust removal assembly also includes a driven shaft (605), a driven gear (606), and a duster (607); the internal synchronous short plate (604) is rotatably connected to two driven shafts (605); the outer end of the driven shaft (605) is fixedly connected to the driven gear (606); and the driven gear (606) meshes with the tooth groove (602); the outer end of each driven shaft (605) is fixedly connected to a duster (607); and the two driven shafts (605) and the duster (607) are installed on the outside of the heat dissipation fins (6).

5. The dustproof composite heat sink that is easy to clean according to claim 4, characterized in that: The built-in auxiliary dust removal assembly also includes a magnet (608) and a guide groove (609); the lower end of the linkage plate (603) and the inner wall of the bottom end of the heat sink housing (1) are both provided with magnets (608); the side end of the vertical structure plate (601) is provided with a guide groove (609).

6. The dustproof composite heat sink that is easy to clean according to claim 5, characterized in that: The built-in auxiliary dust removal assembly also includes a sliding block (610) and a manual push rod (611); the sliding block (610) is slidably connected inside the guide groove (609); the side end of the sliding block (610) is fixed to the inner end of the linkage plate (603); the outer end of the linkage plate (603) is fixed to the manual push rod (611).

7. The dustproof composite heat sink that is easy to clean according to claim 6, characterized in that: The heat sink housing (1) has a limiting groove on its side end that is adapted to the manual push rod (611); the manual push rod (611) is slidably connected to the inside of the limiting groove.