Self-cleaning air filter

By designing cleaning mechanisms and sewage discharge mechanisms in the air filter, using motor drive screws and cleaning soft hairs to clean the filter. By spraying clean water and sewage discharge plates, the problem of dust contamination in the filter is solved, realizing automatic cleaning and dirt removal improve the convenience of the equipment and cleaning efficiency.

CN222239319UActive Publication Date: 2024-12-27WUHAN HERMANN ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202420649903.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-01
Publication Date
2024-12-27
Estimated Expiration
2034-04-01

AI Technical Summary

Technical Problem

During the use of existing air filters, the filter mesh is easily contaminated with dust, and the equipment needs to be disassembled for cleaning, and dust and other debris are easily dropped, resulting in cumbersome and inconvenient cleaning.

Method used

A self-cleaning air filter is designed, including a cleaning mechanism and a sewage discharge mechanism. The screw is driven to rotate by a motor, driving the lifting frame and cleaning soft hair to clean the filter screen, and the filter screen is realized by spraying clean water and sewage discharge plate. automatic cleaning and dirt discharge.

Benefits of technology

The filter can be cleaned without disassembling the equipment, which improves the convenience of use and cleaning efficiency of the air filter and simplifies the process of eliminating dirt.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a self-cleaning air filter, and belongs to the technical field of air filter cleaning. The self-cleaning air filter comprises a main body, a cavity is formed in the main body, a filter screen is installed in the cavity, a cleaning mechanism comprises a lead screw, a limiting rod and a lifting frame, the lead screw is rotatably installed in the cavity, and the limiting rod is fixedly installed in the cavity. The cleaning mechanism is arranged, a motor is started, a driven shaft drives a lead screw to rotate, a lifting frame drives cleaning soft bristles to clean a filter screen, meanwhile, a water pipe is connected to a water inlet to convey clean water, the lead screw rotates to drive a rotating shaft to rotate, and a spraying shell rotates through cooperation of a first transmission belt; due to the fact that the multiple water outlet holes are formed in the bottom of the spraying shell, clean water is sprayed from the water outlet holes in a splashing mode, and the filter screen can be cleaned without disassembling the main body.
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Description

Technical Field

[0001] The utility model relates to the technical field of air filter cleaning, in particular to a self-cleaning air filter. Background Art

[0002] An air filter is a device used to remove suspended particles, bacteria, viruses, pollen, dust and other pollutants in the air. Its function is to filter the air through physical, chemical or biological methods to improve indoor air quality. The air filter mainly relies on the internal filter for filtering.

[0003] When the existing equipment is in use, the filter intercepts dust and other debris, but it is also easily contaminated with dust. Usually, staff are required to disassemble the equipment and remove the filter for cleaning, which is very cumbersome. In addition, the dust and other debris intercepted on the surface of the filter are easy to fall off the filter, and staff are required to clean the inside of the equipment. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a self-cleaning air filter that overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a self-cleaning air filter, comprising a main body, a cavity is provided inside the main body, a filter screen is installed inside the cavity,

[0007] A cleaning mechanism, the cleaning mechanism comprising:

[0008] A screw rod, the screw rod being rotatably mounted inside the cavity;

[0009] A limiting rod, the limiting rod being fixedly installed inside the cavity;

[0010] A lifting frame, the lifting frame is sleeved on the surface of the screw rod and the limit rod, and is threadedly connected to the screw rod;

[0011] The sewage discharge mechanism is provided with two sewage discharge mechanisms, and the sewage discharge mechanisms are arranged inside the cavity.

[0012] In a preferred embodiment, the sewage discharge mechanism comprises:

[0013] A drain plate, the drain plate being slidably mounted on the bottom of the inner wall of the cavity;

[0014] A sewage outlet is installed on the side wall of the main body.

[0015] In a preferred solution, cleaning soft bristles are installed on both the front and rear sides of the inner wall of the lifting frame, and the cleaning soft bristles are in contact with both the front and rear sides of the filter screen.

[0016] In a preferred embodiment, a rotating shaft is fixedly installed on the top of the screw rod, a spray shell is rotatably installed inside the top wall of the main body, the surfaces of the spray shell and the rotating shaft are both sleeved with a first rotating wheel, a first transmission belt is sleeved between the spray shell and the rotating shaft through the first rotating wheel, a water inlet is installed on the top of the main body, and the inner cavity of the water inlet is communicated with the inner cavity of the spray shell.

[0017] In a preferred embodiment, a driven shaft is fixedly installed at the bottom of the screw rod, a transmission shaft is rotatably installed inside the bottom wall of the main body, the surfaces of the driven shaft and the transmission shaft are both sleeved with a second rotating wheel, and a second transmission belt is sleeved between the transmission shaft and the driven shaft via the second rotating wheel.

[0018] In a preferred solution, a gear is fixedly mounted on the top of the transmission shaft, and two tooth plates are slidably mounted on the bottom of the inner wall of the cavity, and both of the two tooth plates are meshedly connected with the gear.

[0019] In a preferred embodiment, the two tooth plates are fixedly connected to the two sewage discharge plates on one side close to the central axis of the gear, and limiting grooves are provided on the front and rear sides of the inner wall of the cavity. Limiting blocks are slidably installed inside the limiting grooves, and the limiting blocks are fixedly connected to the sewage discharge plates.

[0020] In a preferred solution, a motor is fixedly mounted on the bottom of the main body, and an output end of the motor is fixedly connected to the bottom of the driven shaft.

[0021] The utility model provides a self-cleaning air filter, the beneficial effects of which include:

[0022] 1. By setting up a cleaning mechanism, starting the motor, and driving the screw rod to rotate through the driven shaft, the lifting frame drives the cleaning soft hair to clean the filter. At the same time, the water pipe is connected to the water inlet to convey clean water. When the screw rod rotates, it drives the rotating shaft to rotate. Through the cooperation of the first transmission belt, the spray shell rotates. Since a plurality of water outlet holes are installed at the bottom of the spray shell, clean water is sprayed from the water outlet holes in a splashing manner, so that the filter can be cleaned without disassembling the main body.

[0023] 2. By setting up a sewage discharge mechanism and opening the sewage outlet, when the driven shaft rotates, the transmission shaft drives the gear to rotate through the cooperation of the second transmission belt, and the two tooth plates are meshed and connected with each other through the gear, so that the two tooth plates drive the two sewage discharge plates to move in opposite directions, and the sewage discharge plates are provided with through grooves, so that the sewage discharge plates and the tooth plates are staggered, thereby pushing the sewage to be discharged from the sewage outlet, so that the dirt inside the main body is removed together. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the overall structure provided by the implementation mode of the utility model;

[0026] Figure 2 A cross-sectional view of the main body portion is provided for an embodiment of the utility model;

[0027] Figure 3 A partial cross-sectional view of the main body is provided for an embodiment of the utility model;

[0028] Figure 4 Provided for the implementation of the utility model Figure 3 A partial enlarged view of point A in the middle.

[0029] In the figure: 1. main body; 2. cavity; 3. filter; 4. screw; 5. limit rod; 6. lifting frame; 7. sewage plate; 8. sewage outlet; 9. cleaning soft hair; 10. rotating shaft; 11. spray shell; 12. first transmission belt; 13. water inlet; 14. driven shaft; 16. second transmission belt; 17. gear; 18. tooth plate; 19. limit groove; 20. limit block; 21. motor. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example

[0032] Reference Figure 1-4The utility model provides a technical solution: a self-cleaning air filter, comprising a main body 1, a cavity 2 is opened inside the main body 1, a filter screen 3 is installed inside the cavity 2, a cleaning mechanism comprises a screw rod 4, a limit rod 5 and a lifting frame 6, the screw rod 4 is rotatably installed inside the cavity 2, the limit rod 5 is fixedly installed inside the cavity 2, the lifting frame 6 is sleeved on the surface of the screw rod 4 and the limit rod 5, and is threadedly connected with the screw rod 4, two sewage discharge mechanisms are provided, the sewage discharge mechanism is arranged inside the cavity 2, cleaning soft bristles 9 are installed on the front and back sides of the inner wall of the lifting frame 6, the cleaning soft bristles 9 are in contact with the front and back sides of the filter screen 3, a rotating shaft 10 is fixedly installed on the top of the screw rod 4, a spray shell 11 is rotatably installed inside the top wall of the main body 1, the surfaces of the spray shell 11 and the rotating shaft 10 are sleeved with a first rotating wheel, and the spray shell 11 and the rotating shaft 10 are connected by the first rotating wheel The wheel sleeve is provided with a first transmission belt 12, and a water inlet 13 is installed on the top of the main body 1. The inner cavity of the water inlet 13 is connected to the inner cavity of the spray shell 11. A motor 21 is fixedly installed at the bottom of the main body 1, and the output end of the motor 21 is fixedly connected to the bottom of the driven shaft 14. By setting a cleaning mechanism, the motor 21 is started, and the screw rod 4 is driven to rotate through the driven shaft 14. Through the cooperation of the limit rod 5, the lifting frame 6 drives the cleaning soft hair 9 to clean the front and back sides of the filter 3 at the same time. At the same time, the water pipe is connected to the water inlet 13 to transport clean water to the spray shell 11. When the screw rod 4 rotates, it drives the rotating shaft 10 to rotate. Through the cooperation of the first transmission belt 12, the spray shell 11 rotates. Since a plurality of water outlets are installed at the bottom of the spray shell 11, clean water is sprayed from the water outlets in a splashing manner, so that the filter 3 can be cleaned without disassembling the main body 1;

[0033] Reference Figure 1-4The sewage discharge mechanism includes a sewage discharge plate 7 and a sewage outlet 8. The sewage discharge plate 7 is slidably mounted at the bottom of the inner wall of the cavity 2, and the sewage outlet 8 is mounted on the side wall of the main body 1. A driven shaft 14 is fixedly mounted at the bottom of the screw rod 4. A transmission shaft is rotatably mounted inside the bottom wall of the main body 1. The surfaces of the driven shaft 14 and the transmission shaft are both sleeved with a second rotating wheel. A second transmission belt 16 is sleeved between the transmission shaft and the driven shaft 14 through the second rotating wheel. A gear 17 is fixedly mounted on the top of the transmission shaft. Two tooth plates 18 are slidably mounted at the bottom of the inner wall of the cavity 2. The two tooth plates 18 are meshed with the gear 17. The two tooth plates 18 are respectively connected to the two sewage discharge plates on one side close to the central axis of the gear 17. 7 is fixedly connected, and limiting grooves 19 are provided on the front and rear sides of the inner wall of the cavity 2. A limiting block 20 is slidably installed inside the limiting groove 19. The limiting block 20 is fixedly connected to the sewage discharge plate 7. By setting a sewage discharge mechanism, the sewage outlet 8 is opened. When the driven shaft 14 rotates, the transmission shaft drives the gear 17 to rotate through the cooperation of the second transmission belt 16. Through the meshing connection between the gear 17 and the two tooth plates 18, the two tooth plates 18 drive the two sewage discharge plates 7 to move in opposite directions. A through groove is provided on the sewage discharge plate 7, so that the sewage discharge plate 7 and the tooth plate 18 are staggered, thereby pushing the sewage to be discharged from the sewage outlet 8, so that the dirt inside the main body 1 is removed together.

[0034] Specifically, the working process or working principle of the self-cleaning air filter is as follows: when in use, the motor 21 is started, and the screw rod 4 is driven to rotate through the driven shaft 14. Through the cooperation of the limit rod 5, the lifting frame 6 drives the cleaning soft bristles 9 to clean the front and back sides of the filter screen 3 at the same time. At the same time, the water pipe is connected to the water inlet 13 to deliver clean water to the spray shell 11. When the screw rod 4 rotates, it drives the rotating shaft 10 to rotate. Through the cooperation of the first transmission belt 12, the spray shell 11 is rotated. Since a plurality of water outlet holes are installed at the bottom of the spray shell 11, clean water is sprayed from the water outlet holes in a splashing manner, and the sewage outlet 8 is opened. When the driven shaft 14 rotates, through the cooperation of the second transmission belt 16, the transmission shaft drives the gear 17 to rotate. Through the meshing connection between the gear 17 and the two tooth plates 18, the two tooth plates 18 drive the two sewage plates 7 to move in opposite directions, and the sewage plates 7 are provided with through grooves, so that the sewage plates 7 and the tooth plates 18 are staggered, thereby pushing the sewage to be discharged from the sewage outlet 8.

[0035] It should be noted that the motor 21 is a device or equipment existing in the prior art, or a device or equipment that can be realized in the prior art. Its power supply, specific composition and principle are clear to those skilled in the art, so they are not described in detail.

Claims

1. A self-cleaning air filter, comprising a main body (1), a cavity (2) being provided inside the main body (1), a filter screen (3) being installed inside the cavity (2), characterized in that: A cleaning mechanism, the cleaning mechanism comprising: A screw rod (4), the screw rod (4) being rotatably mounted inside the cavity (2); A limiting rod (5), wherein the limiting rod (5) is fixedly mounted inside the cavity (2); A lifting frame (6), wherein the lifting frame (6) is sleeved on the surface of the screw rod (4) and the limiting rod (5), and is threadedly connected to the screw rod (4); A sewage discharge mechanism, wherein two sewage discharge mechanisms are provided, and the sewage discharge mechanisms are arranged inside the cavity (2), and the sewage discharge mechanisms include: A sewage discharge plate (7), wherein the sewage discharge plate (7) is slidably mounted on the bottom of the inner wall of the cavity (2); A sewage outlet (8), wherein the sewage outlet (8) is installed on the side wall of the main body (1).

2. A self-cleaning air filter according to claim 1, characterized in that: Cleaning soft bristles (9) are installed on both the front and rear sides of the inner wall of the lifting frame (6), and the cleaning soft bristles (9) are in contact with both the front and rear sides of the filter screen (3).

3. A self-cleaning air filter according to claim 1, characterized in that: A rotating shaft (10) is fixedly mounted on the top of the screw rod (4); a spray shell (11) is rotatably mounted inside the top wall of the main body (1); the surfaces of the spray shell (11) and the rotating shaft (10) are both sleeved with a first rotating wheel; a first transmission belt (12) is sleeved between the spray shell (11) and the rotating shaft (10) via the first rotating wheel; a water inlet (13) is mounted on the top of the main body (1); an inner cavity of the water inlet (13) is in communication with an inner cavity of the spray shell (11).

4. A self-cleaning air filter according to claim 1, characterized in that: A driven shaft (14) is fixedly mounted at the bottom of the screw rod (4), a transmission shaft is rotatably mounted inside the bottom wall of the main body (1), a second rotating wheel is sleeved on the surfaces of the driven shaft (14) and the transmission shaft, and a second transmission belt (16) is sleeved between the transmission shaft and the driven shaft (14) via the second rotating wheel.

5. A self-cleaning air filter according to claim 4, characterized in that: A gear (17) is fixedly mounted on the top of the transmission shaft, and two tooth plates (18) are slidably mounted on the bottom of the inner wall of the cavity (2), and both of the two tooth plates (18) are meshingly connected with the gear (17).

6. A self-cleaning air filter according to claim 5, characterized in that: The two tooth plates (18) are fixedly connected to the two sewage discharge plates (7) on one side close to the central axis of the gear (17), and the inner wall of the cavity (2) is provided with limiting grooves (19) on both the front and rear sides. A limiting block (20) is slidably installed inside the limiting groove (19), and the limiting block (20) is fixedly connected to the sewage discharge plate (7).

7. A self-cleaning air filter according to claim 4, characterized in that: A motor (21) is fixedly mounted on the bottom of the main body (1), and an output end of the motor (21) is fixedly connected to the bottom of the driven shaft (14).