An air cleaner with easy maintenance

By combining a limiting chuck, a support column, and an inclined locking block, the problem of cumbersome filter disassembly in existing air purifiers is solved, enabling rapid filter disassembly and installation and improving user maintenance efficiency.

CN224397963UActive Publication Date: 2026-06-23佛山市景途信息科技有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
佛山市景途信息科技有限公司
Filing Date
2025-08-13
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

The filters in existing air purifiers are fixed with multiple screws and clips, making disassembly and maintenance cumbersome and difficult for users to replace or clean quickly.

Method used

The filter cylinder is easily disassembled and installed by using a combination structure of limit chuck, support column, pressure plate and inclined block. Through sliding and slot cooperation, the filter cylinder is easy to disassemble and install, simplifying the filter maintenance process.

Benefits of technology

It enables quick disassembly and installation of the filter screen, improves user maintenance efficiency, simplifies the replacement and cleaning steps of the filter screen, and enhances the ease of use of the equipment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224397963U_ABST
    Figure CN224397963U_ABST
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Abstract

The utility model discloses a kind of air purifiers of convenient maintenance, comprising: shell, the inside of the connecting box is equipped with fan, the beneficial effect of the utility model is: by being provided with pressing plate, support column and limit chuck, downwardly press pressing plate is realized, pressing plate drives support column and limit chuck to move downwards, limit chuck and the multiple outer limit chuck block outside filter screen cylinder outer side limit, after support column moves downwards, filter screen cylinder, air cylinder are conveniently taken down, take out from the position of taking down air inlet buckle cover, by being provided with inner fixed block, oblique surface, first oblique type chuck and second oblique type chuck, the groove of the one side of inner fixed block is realized with first oblique type chuck, second oblique type chuck cooperation, after pressing plate is pressed downwards, second oblique type chuck enters groove and the position of inner fixed block is fixed and kept, to fix the pressing position of pressing plate, support column and limit chuck, filter screen cylinder, air cylinder are conveniently taken down from the outside of sealing cylinder.
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Description

Technical Field

[0001] This utility model relates to the field of air purifier technology, specifically to an air purifier that is easy to maintain. Background Technology

[0002] An air purifier is a household or commercial appliance that can adsorb, decompose, or transform various air pollutants, effectively improving air cleanliness. Among the core components of an air purifier, the filter plays a crucial role. It can intercept and adsorb various pollutants in the air. As the usage time increases, the filter will gradually become clogged, and the purification effect will decrease. Therefore, it needs to be cleaned or replaced regularly. However, the filter of some existing air purifiers is tightly fixed inside the device. The filter of the air purifier is fixed in the cylinder by multiple screws and clips. Users need to find and unscrew all the screws and then unlock the multiple clips in order to remove the filter, which is a relatively troublesome disassembly method. Utility Model Content

[0003] The purpose of this utility model is to provide an air purifier that is easy to maintain, in order to solve the problem mentioned in the background art that the filter of some existing air purifiers is tightly fixed inside the device. The filter of the air purifier is fixed in the cylinder by multiple screws and clips. Users need to find and unscrew all the screws and then unlock the multiple clips in order to take out the filter, which is a relatively troublesome disassembly method.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an air purifier that is easy to maintain, comprising:

[0005] case;

[0006] A connecting box is located inside the housing, and a fan is installed inside the connecting box;

[0007] A sealing cylinder is located at the bottom of the connecting box;

[0008] A filter screen cylinder is placed inside the housing, and a vent cylinder that cooperates with the sealing cylinder is fixed to the top of the filter screen cylinder.

[0009] A limiting chuck is placed below the filter cylinder, and a support column is fixedly connected to the bottom of the limiting chuck.

[0010] An inner support column is fixed to the inner side of the shell, and the support column is slidably connected to the inner support column.

[0011] The pressure plate is fixed to the bottom end of the support column;

[0012] A side fixing frame is installed on one side of the housing. The pressure plate is slidably connected to the side fixing frame. An inner fixing block is fixed inside the pressure plate and is slidably connected to the side fixing frame.

[0013] An inner sliding plate is slidably disposed inside the side fixing frame. A first inclined locking block is fixedly connected to one side of the inner sliding plate, and a second inclined locking block is fixedly connected to one side of the inner sliding plate. A slot is provided on one side of the inner fixing block to cooperate with the first and second inclined locking blocks.

[0014] As a preferred embodiment of this utility model: the top and bottom of the inner fixing block are provided with inclined surfaces that cooperate with the first inclined locking block and the second inclined locking block; a pull rod is fixedly connected to one side of the inner sliding plate; the pull rod is slidably connected to the side fixing frame; and a first spring is symmetrically arranged on one side of the inner sliding plate.

[0015] As a preferred embodiment of this utility model: a bottom fixing bracket is installed at the bottom of the housing, the pressure plate is slidably connected to the bottom fixing bracket, and a plurality of limiting rods are symmetrically slidably arranged inside the pressure plate. One end of the limiting rod is fixedly connected to the housing, and the other end of the limiting rod is fixedly connected to the bottom fixing bracket.

[0016] As a preferred embodiment of this utility model: multiple dampers are installed equidistantly inside the inner support column, the top of the damper is connected to the limiting chuck, and a second spring is sleeved on the outside of the damper.

[0017] As a preferred embodiment of this utility model: a plurality of external limiting blocks that cooperate with the limiting chuck are fixedly connected at equal intervals on the outer side of the filter screen cylinder.

[0018] As a preferred embodiment of this utility model, it further includes a top air outlet cover, which is installed on the inner side of the housing. The outer side of the top air outlet cover is provided with multiple outer limiting grooves at equal intervals. The inner side of the housing is fixedly connected with an inner mounting bracket that cooperates with the outer limiting grooves at equal intervals. The housing and the inner mounting bracket are installed with bolts to the outer limiting grooves. The outer side of the housing is symmetrically equipped with air inlet buckle covers.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model, by setting a pressure plate, a support column, and a limiting chuck, realizes that pressing the pressure plate downwards causes the support column and the limiting chuck to move downwards. The limiting chuck is limited by multiple external limiting blocks on the outside of the filter cylinder. After the support column moves downwards, it is convenient to remove the filter cylinder and the vent cylinder from the position where the air inlet buckle cover is removed. By setting an inner fixing block, an inclined surface, a first inclined block, and a second inclined block, the slot on one side of the inner fixing block cooperates with the first and second inclined blocks. After the pressure plate is pressed downwards, the second inclined block enters the slot to fix the position of the inner fixing block, thereby fixing the downward pressing position of the pressure plate, the support column, and the limiting chuck, making it convenient to remove the filter cylinder and the vent cylinder from the outside of the sealing cylinder. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a right view of the present invention;

[0022] Figure 3 This is a schematic diagram of the internal structure of the side fixing frame of this utility model;

[0023] Figure 4 This is a schematic diagram of the internal support column structure of this utility model;

[0024] Figure 5 This is a schematic diagram of the damper and spring No. 2 of this utility model;

[0025] Figure 6 This is a schematic diagram showing the disassembly of the external limiting block and filter cylinder of this utility model;

[0026] Figure 7 This is a schematic diagram of the internal structure of the internal fixing block of this utility model.

[0027] In the diagram: 1. Housing; 2. Inlet buckle cover; 3. Top outlet mesh cover; 4. Side fixing frame; 5. Outer limiting groove; 6. Pressure plate; 7. Bottom fixing bracket; 8. Limiting rod; 9. Inner sliding plate; 10. No. 1 inclined block; 11. No. 2 inclined block; 12. Inner fixing block; 13. Inclined surface; 14. Pull rod; 15. No. 1 spring; 16. Limiting chuck; 17. Outer limiting block; 18. Filter screen cylinder; 19. Ventilation cylinder; 20. Sealing cylinder; 21. Connecting box; 22. Fan; 23. Support column; 24. Damper; 25. No. 2 spring; 26. Inner support column; 27. Slot; 28. Inner mounting bracket. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figures 1 to 7 This utility model provides a technical solution: an air purifier that is easy to maintain, comprising: a housing 1; a connecting box 21 fixedly connected to the inner side of the housing 1, with a fan 22 bolted to the inner side of the connecting box 21; a sealing cylinder 20 fixedly connected to the bottom of the connecting box 21; a filter cylinder 18 placed inside the housing 1, with a vent 19 cooperating with the sealing cylinder 20 fixedly connected to the top of the filter cylinder 18; a limiting chuck 16 placed below the filter cylinder 18, with a support column 23 fixedly connected to the bottom of the limiting chuck 16; and an inner support column 26 fixedly connected to the inner side of the housing 1, the support column 23 and the inner support column 26 being connected to the inner support column 26. Support column 26 is slidably connected; pressure plate 6 is fixedly connected to the bottom end of support column 23; side fixing frame 4 is installed on one side of housing 1 by bolts, pressure plate 6 is slidably connected to side fixing frame 4, inner fixing block 12 is fixedly connected inside pressure plate 6, inner fixing block 12 is slidably connected to side fixing frame 4; inner sliding plate 9 is slidably set inside side fixing frame 4, one side of inner sliding plate 9 is fixedly connected to first inclined block 10, one side of inner sliding plate 9 is fixedly connected to second inclined block 11, and one side of inner fixing block 12 is provided with a slot 27 that cooperates with first inclined block 10 and second inclined block 11.

[0030] It should be noted that in this embodiment, when the filter cylinder 18 inside the housing 1 needs to be removed for maintenance, the air inlet buckle cover 2 is removed from the housing 1. The air inlet buckle cover 2 is fixed to the housing 1 by plastic buckles. By pulling the pull rod 14 outward, the pull rod 14 drives the inner sliding plate 9, the first inclined block 10 and the second inclined block 11 to move. The first inclined block 10 disengages from the slot 27 opened on one side of the inner fixing block 12. At this time, the pressure plate 6 can be pressed down. The pressure plate 6 drives the support column 23 and the limiting chuck 16 to move downward. The limiting chuck 16 presses against the damper 24 and the second spring 25. When the bottom of the inner fixing block 12... The inclined surface 13 presses against the inclined surface of the second inclined block 11. The second inclined block 11 drives the inner sliding plate 9 to press against the first spring 15. When the slot 27 reaches one side of the second inclined block 11, the first spring 15 will reset and drive the inner sliding plate 9 and the second inclined block 11 to reset. The second inclined block 11 enters the slot 27 to restrict the downward pressure of the inner fixing block 12, the pressure plate 6 and the support column 23. Then the filter screen cylinder 18 and the air cylinder 19 can be removed from the outside of the sealing cylinder 20. The filter screen cylinder 18 is taken out from the housing 1. After the maintenance of the filter screen cylinder 18 is completed, it is reinstalled. Multiple outer limiting blocks 17 on the outside of the cylinder 18 are positioned between the limiting chuck 16 and the filter cylinder 18 and the vent cylinder 19 are placed on the limiting chuck 16. Then, the pull rod 14 is pulled outward. The pull rod 14 drives the inner sliding plate 9, the first inclined block 10 and the second inclined block 11 to move. The inner sliding plate 9 presses against the first spring 15. At this time, the damper 24 and the second spring 25 will reset. The reset of the damper 24 and the second spring 25 will drive the limiting chuck 16, the filter cylinder 18 and the vent cylinder 19 to reset upward. The vent cylinder 19 is fixed on the outside of the sealing cylinder 20. After releasing the pull rod 14, the first spring 15 and the inner sliding plate 16 will reset. 9. The first inclined block 10 and the second inclined block 11 are reset. The first inclined block 10 enters the slot 27 opened on one side of the inner fixing block 12, fixing the position of the inner fixing block 12, the pressure plate 6, the support column 23 and the limiting chuck 16, thereby fixing the installation position of the filter screen cylinder 18 and the air cylinder 19, ensuring the stability of the connection between the air cylinder 19 and the sealing cylinder 20. The multiple pressure plates 6 on the inner side of the housing 1 cooperate with the multiple outer limiting slots 5 on the outer side of the top air outlet cover 3. The top air outlet cover 3 is installed and fixed on the inner side of the housing 1 by bolts. After removing the bolts and disassembling the top air outlet cover 3, it is convenient to carry out internal maintenance.

[0031] In one embodiment, such as Figures 1 to 7 As shown, the top and bottom of the inner fixing block 12 are provided with inclined surfaces 13 that cooperate with the first inclined block 10 and the second inclined block 11. A pull rod 14 is fixedly connected to one side of the inner sliding plate 9. The pull rod 14 is slidably connected to the side fixing frame 4. A first spring 15 is symmetrically arranged on one side of the inner sliding plate 9.

[0032] It should be noted that in this embodiment, the moving position of the inner sliding plate 9 is reset by the first spring 15, and the first inclined block 10 and the second inclined block 11 on one side of the inner sliding plate 9 are reset.

[0033] In one embodiment, such as Figures 1 to 7 As shown, a bottom fixing bracket 7 is installed at the bottom of the housing 1 by bolts. The pressure plate 6 is slidably connected to the bottom fixing bracket 7. Multiple limiting rods 8 are symmetrically slidably arranged inside the pressure plate 6. One end of the limiting rod 8 is fixedly connected to the housing 1, and the other end of the limiting rod 8 is fixedly connected to the bottom fixing bracket 7.

[0034] It should be noted that in this embodiment, the movement position of the pressure plate 6 is restricted by multiple limiting rods 8.

[0035] In one embodiment, such as Figures 1 to 7 As shown, multiple dampers 24 are installed at equal intervals inside the inner support column 26. The top of the damper 24 is connected to the limiting chuck 16, and a second spring 25 is sleeved on the outside of the damper 24.

[0036] It should be noted that in this embodiment, the damper 24 and the second spring 25 are used to reset the pressing positions of the limiting chuck 16, the support column 23 and the pressure plate 6, and the limiting chuck 16 is used to push the filter screen cylinder 18 and the air cylinder 19 for fixation.

[0037] In one embodiment, such as Figures 1 to 7 As shown, multiple outer limit blocks 17 that cooperate with the limit chuck 16 are fixed at equal intervals on the outer side of the filter cylinder 18.

[0038] It should be noted that in this embodiment, multiple external limiting blocks 17 on the outside of the filter cylinder 18 cooperate with the limiting chuck 16 to limit the installation of the filter cylinder 18 and the ventilator 19.

[0039] In one embodiment, such as Figures 1 to 7 As shown, it also includes a top air outlet cover 3, which is installed on the inner side of the housing 1. Multiple outer limiting grooves 5 are equidistantly provided on the outer side of the top air outlet cover 3. An inner mounting bracket 28 that cooperates with the outer limiting groove 5 is fixedly connected at equal intervals on the inner side of the housing 1. The housing 1 and the inner mounting bracket 28 are connected to the outer limiting groove 5 by bolts. An air inlet buckle cover 2 is symmetrically installed on the outer side of the housing 1.

[0040] It should be noted that in this embodiment, the inner mounting bracket 28 cooperates with the outer limiting groove 5 on the outer side of the top air outlet cover 3, and the top air outlet cover 3 is fixedly installed on the inner side of the housing 1 by bolts.

[0041] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the 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.

[0042] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.

[0043] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0044] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An air purifier that is easy to maintain, characterized in that, include: Shell (1); A connecting box (21) is provided inside the housing (1), and a fan (22) is installed inside the connecting box (21). A sealing cylinder (20) is provided at the bottom of the connecting box (21); A filter cylinder (18) is placed inside the housing (1), and a vent cylinder (19) that cooperates with the sealing cylinder (20) is fixedly connected to the top of the filter cylinder (18). A limiting chuck (16) is placed below the filter cylinder (18), and a support column (23) is fixedly connected to the bottom of the limiting chuck (16). An inner support column (26) is fixed to the inner side of the shell (1), and the support column (23) is slidably connected to the inner support column (26); Pressure plate (6) is fixed to the bottom end of support column (23); Side fixing frame (4) is installed on one side of housing (1). The pressure plate (6) is slidably connected to the side fixing frame (4). An inner fixing block (12) is fixed inside the pressure plate (6). The inner fixing block (12) is slidably connected to the side fixing frame (4). The inner sliding plate (9) is slidably disposed inside the side fixing frame (4). A first inclined block (10) is fixedly connected to one side of the inner sliding plate (9), and a second inclined block (11) is fixedly connected to one side of the inner sliding plate (9). A slot (27) is provided on one side of the inner fixing block (12) to cooperate with the first inclined block (10) and the second inclined block (11).

2. The air purifier that is easy to maintain according to claim 1, characterized in that: The top and bottom of the inner fixing block (12) are provided with inclined surfaces (13) that cooperate with the first inclined block (10) and the second inclined block (11). A pull rod (14) is fixedly connected to one side of the inner sliding plate (9). The pull rod (14) is slidably connected to the side fixing frame (4). A first spring (15) is symmetrically arranged on one side of the inner sliding plate (9).

3. The air purifier that is easy to maintain according to claim 1, characterized in that: The bottom of the housing (1) is equipped with a bottom fixing bracket (7), the pressure plate (6) is slidably connected to the bottom fixing bracket (7), and multiple limiting rods (8) are symmetrically slidably arranged inside the pressure plate (6). One end of the limiting rod (8) is fixedly connected to the housing (1), and the other end of the limiting rod (8) is fixedly connected to the bottom fixing bracket (7).

4. The air purifier that is easy to maintain according to claim 1, characterized in that: Multiple dampers (24) are installed at equal intervals inside the inner support column (26). The top of the damper (24) is connected to the limiting chuck (16), and a second spring (25) is sleeved on the outside of the damper (24).

5. The air purifier that is easy to maintain according to claim 1, characterized in that: The filter cylinder (18) is fixedly connected at equal intervals to a plurality of external limiting blocks (17) that cooperate with the limiting chuck (16).

6. The air purifier that is easy to maintain according to claim 1, characterized in that: It also includes a top air outlet cover (3), which is installed on the inner side of the housing (1). Multiple outer limiting grooves (5) are equidistantly provided on the outer side of the top air outlet cover (3). An inner mounting bracket (28) that cooperates with the outer limiting groove (5) is fixedly connected to the inner side of the housing (1) at equal intervals. The housing (1) and the inner mounting bracket (28) are connected to the outer limiting groove (5) by bolts. An air inlet buckle cover (2) is symmetrically installed on the outer side of the housing (1).