A fan filter quick dismounting structure convenient to maintain

CN224931936UActive Publication Date: 2026-11-03QINHUANGDAO SHENGFENG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202522418288.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-14
Publication Date
2026-11-03
Estimated Expiration
2035-11-14

AI Technical Summary

Technical Problem

Existing fan filter removal structures require the removal of multiple screws, which is cumbersome and cannot achieve quick disassembly.

Method used

The system employs a quick-release assembly, including a cavity, a moving block, a push block, a pressing screw, and an insert block. By rotating the pressing screw, the pressing block is moved, causing the insert block to be removed from the slot, thus enabling the quick removal of the fan filter.

Benefits of technology

The fan filter can be removed from the body without removing multiple screws, making the operation more convenient and enabling quick removal, thus improving disassembly efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a fan filter screen quick detach structure convenient to maintain, including fan filter screen, quick detach assembly and fan body, quick detach assembly sets up inside fan filter screen, and quick detach assembly includes cavity, moving block and extrusion screw, the inside sliding joint of cavity has a plurality of moving blocks, and the both ends of moving block are provided with push block and insert block respectively, and extrusion screw is screwed on the outer wall of fan filter screen, and one end of extrusion screw is movably connected with extrusion block, the outer wall of moving block is provided with sliding slot, and the inside of cavity is provided with the limiting board in the inside of sliding slot, and the inside of sliding slot is provided with the spring connected with limiting board. The utility model only needs to remove one extrusion screw, can make a plurality of insert blocks remove from a plurality of slots to lose the fixation to fan filter screen, can remove fan filter screen from fan body, need not to remove a plurality of screws, operation is more convenient, can realize quick detach function to fan filter screen.
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Description

Technical Field

[0001] This utility model relates to the field of fan filter technology, and in particular to a quick-disassembly structure for fan filters that is easy to maintain. Background Technology

[0002] Fan filters are commonly used in air purification or ventilation systems. Their main function is to filter particulate matter (such as dust and pollen) in the air, while working with the fan to circulate air. They are commonly found in household fresh air systems, industrial clean rooms, or data center cooling devices. A search revealed that Chinese Patent CN209181241U discloses a detachable fresh air system filter, comprising a first mounting base, a first mounting groove on the lower surface of the first mounting base, a second mounting base below the first mounting base, a second mounting groove above the second mounting base, a filter frame fixedly mounted between the first and second mounting grooves, a first fixing block fixedly mounted at the rear top of the filter frame, a second fixing block fixedly mounted at the rear bottom of the filter frame, a third mounting groove on the upper surface of the filter frame, and fourth mounting grooves on both inner walls of the filter frame, a filter fixedly mounted inside the fourth mounting groove, and a reinforcing frame fixedly mounted on the front side of the filter.

[0003] The existing fan filter disassembly structure has the following drawbacks in practical use: Existing fan filter removal mechanisms typically require removing multiple screws to detach the fan filter from the fan body for cleaning and maintenance, which is cumbersome and cannot achieve quick disassembly. Utility Model Content

[0004] In view of the technical problem that the existing fan filter disassembly structure usually requires the removal of multiple screws to remove the fan filter from the fan body for cleaning and maintenance, which is relatively troublesome and cannot achieve quick disassembly, this utility model provides a fan filter quick disassembly structure that is easy to maintain.

[0005] The technical solution adopted by this utility model is: a quick-release structure for easy-to-maintain fan filter, including a fan filter, a quick-release assembly, and a fan body. The quick-release assembly is located inside the fan filter and includes a cavity, a moving block, and a pressing screw. Several moving blocks are slidably connected inside the cavity, and a push block and an insert block are respectively provided at both ends of the moving blocks. The pressing screw is threaded into the outer wall of the fan filter, and a pressing block is movably connected to one end of the pressing screw. A sliding groove is provided on the outer wall of the moving block, and a limiting plate located inside the sliding groove is provided inside the cavity. A spring connected to the limiting plate is provided inside the sliding groove.

[0006] Furthermore, a guide cylinder is provided on the outer wall of the extrusion block, and a guide rod is provided inside the cavity, with the guide cylinder slidably sleeved on the outside of the guide rod.

[0007] Furthermore, the pusher is triangular in shape, and the outer wall of the extrusion block has several inclined surfaces.

[0008] Furthermore, the inner wall of the fan body is provided with several slots, and the plug is inserted into the inside of the slot.

[0009] Furthermore, the number of movable blocks is several, and the number of movable blocks and insertion blocks is the same as the number of slots.

[0010] Furthermore, a locking block is provided on the outer wall of the fan filter screen, and a locking groove is provided on the inner wall of the fan body, with the locking block engaging inside the locking groove.

[0011] The beneficial effects of this utility model are: 1. This utility model, through the quick-release component, allows several inserts to be removed from several slots and lose their fixation on the fan filter screen by simply removing one compression screw, thus enabling the fan filter screen to be removed from the fan body without removing multiple screws, making the operation more convenient and achieving the quick-release function of the fan filter screen.

[0012] 2. Secondly, this utility model facilitates the installation of the fan filter screen and the fan body by means of a locking groove and locking block, which enables the insertion block to be accurately inserted into the slot. When disassembling the fan filter screen, the insertion block can be moved parallel to the cavity to prevent jamming. Attached Figure Description

[0013] Figure 1 This is a three-dimensional view of the entire utility model; Figure 2 This is a perspective view of the quick-release component of this utility model; Figure 3 This is an enlarged perspective view of point A of this utility model; Figure 4 This is a perspective view of the extrusion block of this utility model; Figure 5 This is an enlarged perspective view of point B of this utility model.

[0014] The following are labeled in the diagram: 1. Fan filter screen; 2. Quick-release assembly; 201. Cavity; 202. Moving block; 203. Push block; 204. Pressing block; 205. Pressing screw; 206. Insert block; 207. Guide cylinder; 208. Guide rod; 209. Sliding groove; 210. Limiting plate; 211. Spring; 212. Inclined surface; 3. Fan body; 4. Slot; 5. Locking slot; 6. Locking block. Detailed Implementation

[0015] In the description of this utility model, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0016] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0017] The following is in conjunction with the appendix Figures 1-5 The present invention will be further described below.

[0018] To address the problems existing in the background technology, this application proposes the following technical solution: a quick-disassembly structure for a fan filter that is easy to maintain.

[0019] The specific technical solution includes a fan filter 1, a quick-release assembly 2, and a fan body 3. The quick-release assembly 2 is located inside the fan filter 1 and includes a cavity 201, a moving block 202, and a pressing screw 205. Several moving blocks 202 are slidably connected inside the cavity 201, and each moving block 202 has a push block 203 and an insert block 206 at its two ends. The pressing screw 205 is threaded into the outer wall of the fan filter 1, and one end of the pressing screw 205 is movably connected to a pressing block 204. A sliding groove 209 is provided on the outer wall of the moving block 202, and the cavity 201... The internal part is equipped with a limiting plate 210 located inside the sliding groove 209. The sliding groove 209 is equipped with a spring 211 connected to the limiting plate 210. Rotating the pressing screw 205 can drive the pressing block 204 to move. The pressing block 204 will gradually move away from the push block 203. When the push block 203 is not pressed by the pressing block 204, the elastic force of the spring 211 will push the moving block 202 and the insert block 206 to move, so that the insert block 206 is moved out of the slot 4. When the fan filter screen 1 is disassembled, cleaned and maintained by the quick-release assembly 2, it is not necessary to remove multiple screws, and the fan filter screen 1 can be quickly disassembled, cleaned and maintained.

[0020] In specific implementations, such as Figure 3As shown, a guide cylinder 207 is provided on the outer wall of the extrusion block 204, and a guide rod 208 is provided inside the cavity 201. The guide cylinder 207 is slidably sleeved on the outside of the guide rod 208. When the extrusion block 204 moves, it will drive the guide cylinder 207 to move. The guide cylinder 207 will slide on the outside of the guide rod 208. The guide rod 208 can guide the guide cylinder 207 and the extrusion block 204, enabling the extrusion block 204 to translate and preventing the extrusion block 204 from rotating.

[0021] In specific implementations, such as Figure 4 As shown, the push block 203 is triangular in shape, and the outer wall of the extrusion block 204 is provided with several inclined surfaces 212. When the extrusion screw 205 is rotated to drive the extrusion block 204 to extrude the inclined surfaces 212 of the push block 203, the push block 203 can be moved. When the push block 203 moves, it will simultaneously drive the moving block 202 and the insert block 206 to move, so that several insert blocks 206 are simultaneously inserted into several slots 4.

[0022] In specific implementations, such as Figure 2 As shown, the inner wall of the fan body 3 is provided with several slots 4, and the plug 206 is inserted into the inside of the slot 4. After several plugs 206 are inserted into several slots 4 at the same time, the fan filter 1 can be fixed on the fan body 3.

[0023] In specific implementations, such as Figure 2 As shown, there are several movable blocks 202, and the number of movable blocks 202 and insert blocks 206 is the same as the number of slots 4. Multiple insert blocks 206 are inserted into multiple slots 4, which can improve the stability when fixing the fan filter screen 1.

[0024] In specific implementations, such as Figure 1 and Figure 2 As shown, a locking block 6 is provided on the outer wall of the fan filter screen 1, and a locking groove 5 is provided on the inner wall of the fan body 3. The locking block 6 is engaged inside the locking groove 5, which helps to limit the locking of the fan filter screen 1 and the fan body 3.

[0025] To ensure that those skilled in the art can fully understand the technical solution, this application provides the following overall overview: In use, rotating the pressing screw 205 can drive the pressing block 204 to move. When the pressing block 204 moves, it will drive the guide cylinder 207 to move synchronously. When the guide cylinder 207 moves, it will slide outside the guide rod 208, which can guide the pressing block 204, thereby preventing the pressing block 204 from rotating with the pressing screw 205, so that the pressing block 204 can move in parallel. As the pressing block 204 moves, the push block 203 is no longer squeezed by the pressing block 204. The compressed spring 211 will release the elastic force to push the moving block 202 to move. The moving block 202 will drive the insert block 206 to move synchronously, so that the insert block 206 can be moved out of the slot 4 and into the cavity 201. Pull the fan filter screen 1 away from the fan body 3, and the fan filter screen 1 can be removed from the fan body 3 for cleaning and maintenance. The fan filter screen 1 can be removed without removing multiple screws, making the operation more convenient and efficient, thus realizing the function of quick removal of the fan filter screen 1.

[0026] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0027] Although embodiments of the present invention have been shown and described, the scope of the present invention will be defined by the appended claims and their equivalents for those skilled in the art.

Claims

1. A quick-release structure for a fan filter that is easy to maintain, characterized in that, The device includes a fan filter (1), a quick-release assembly (2), and a fan body (3). The quick-release assembly (2) is located inside the fan filter (1). The quick-release assembly (2) includes a cavity (201), a moving block (202), and a pressing screw (205). Several moving blocks (202) are slidably connected inside the cavity (201), and a push block (203) and an insert block (206) are respectively provided at both ends of the moving block (202). The pressing screw (205) is threaded into the outer wall of the fan filter (1), and a pressing block (204) is movably connected to one end of the pressing screw (205). A sliding groove (209) is provided on the outer wall of the moving block (202), and a limiting plate (210) located inside the sliding groove (209) is provided inside the cavity (201). A spring (211) connected to the limiting plate (210) is provided inside the sliding groove (209).

2. The quick-release structure for easy-to-maintain fan filter according to claim 1, characterized in that, A guide cylinder (207) is provided on the outer wall of the extrusion block (204), and a guide rod (208) is provided inside the cavity (201). The guide cylinder (207) is slidably sleeved on the outside of the guide rod (208).

3. The quick-disassembly structure for a fan filter that is easy to maintain according to claim 2, characterized in that, The push block (203) is triangular in shape, and the outer wall of the extrusion block (204) is provided with several inclined surfaces (212).

4. The quick-release structure for easy-to-maintain fan filter according to claim 3, characterized in that, The inner wall of the fan body (3) is provided with several slots (4), and the plug (206) is inserted into the inside of the slot (4).

5. The quick-release structure for easy-to-maintain fan filter according to claim 4, characterized in that, The number of the movable blocks (202) is several, and the number of movable blocks (202) and insert blocks (206) is the same as the number of slots (4).

6. The quick-release structure for easy-to-maintain fan filter according to claim 1, characterized in that, The outer wall of the fan filter (1) is provided with a locking block (6), and the inner wall of the fan body (3) is provided with a locking groove (5). The locking block (6) is locked inside the locking groove (5).

Citation Information

Patent Citations

  • Fresh air ventilator filter screen convenient to disassemble

    CN209181241U