Self-cleaning air filter

Abstract

The utility model discloses a self-cleaning type air filter which comprises an air filter shell and an air filter element, a plurality of groups of air inlet net ports are connected to the air filter shell along the circumferential direction of the air filter shell, a filter chamber is arranged in the air filter shell, and the air filter element is arranged in the filter chamber; the top of the filter chamber is connected with an exhaust plate, the top of the exhaust plate is connected with a flow guide top plate, and the flow guide top plate is connected with a control panel; a bottom tray matched with the air filter element is arranged at the inner bottom end of the filter cavity, a back-flushing assembly matched with the air filter element is connected to the bottom tray, and an opening groove matched with the bottom tray is formed in the bottom end of the air filter shell. Compared with the prior art, the self-cleaning air filter provided by the utility model has the advantages that the filter element dismounting and mounting times are reduced when floating dust is required to be cleaned, and the self-cleaning is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of air filtration, and specifically refers to a self-cleaning air filter. Background Art

[0002] With the rapid improvement of the national economic level, more and more people pay more attention to the improvement of the quality of life, and at the same time put forward higher and higher requirements for environmental standards, advocating breathing fresh, green and pollution-free air, and air filters emerge as the times require.

[0003] During actual use, due to the periodic purification of air, the filter element will inevitably be contaminated and needs to be replaced and cleaned regularly. However, during actual use, before the replacement period is reached, the outermost part of the filter element and the air inlet of the filter will be blocked by floating dust, hair, etc., affecting the use, and it is necessary to frequently disassemble and assemble the filter body, which is rather inconvenient. Content of the Utility Model

[0004] (1) Problems to be Solved

[0005] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a self-cleaning air filter that reduces the number of disassembly and assembly times of the filter element when cleaning floating dust and is convenient for self-cleaning.

[0006] (2) Technical Solutions

[0007] To solve the above technical problems, the technical solution provided by the utility model is: a self-cleaning air filter, including an air filtration shell and an air filtration element. Along the circumferential direction of the air filtration shell, a plurality of air inlet mesh openings are connected and arranged. Inside the air filtration shell, there is a filtration chamber, and the air filtration element is arranged inside the filtration chamber. At the top of the filtration chamber, an exhaust plate is connected. At the top of the exhaust plate, a diversion top plate is connected. On the diversion top plate, a control panel is connected. In the middle of the diversion top plate, a shaft body is rotatably sleeved. The bottom end of the shaft body penetrates through the bottom wall of the exhaust plate and is connected with an air outlet regulating plate. Inside the filtration chamber, between the exhaust plate and the air filtration element, an air duct opening is connected. Inside the air duct opening, a fan assembly is connected. At the bottom end inside the filtration chamber, a bottom tray is arranged in cooperation with the air filtration element. On the bottom tray, a backwashing assembly for cooperating with the air filtration element is connected. At the bottom end of the air filtration shell, an opening groove is arranged in cooperation with the bottom tray.

[0008] As an improvement, along the circumferential direction of the top inside the air duct opening, a negative ion generator is further connected.

[0009] As an improvement, the backwashing assembly includes a pulse air pump and a vertically arranged air pipe. The air outlet of the pulse air pump is communicated with the air pipe. The air pipe penetrates through the top wall of the bottom tray and is connected with a plurality of spray heads.

[0010] The bottom of the bottom tray is connected with a cover shell in cooperation with the pulse air pump, the bottom end of the cover shell is provided with an air inlet dust filter mesh port, the cover shell outer sleeve is connected with a dust collecting hopper, and the outer wall of the dust collecting hopper is locked with the opening groove.

[0011] As an improvement, the upper part of the dust collecting hopper is concavely provided with an annular dust collecting groove, and the bottom wall of the filter chamber is provided with an oblique angle toward the annular dust collecting groove;

[0012] The outer wall of the dust collecting hopper is provided with a socket and an anti-idiot groove, the outer wall of the air filter shell is provided with an axial hole matching the socket, a plug rod inserted into the socket is slidably arranged in the axial hole, and an anti-idiot flange is protruded outside the anti-idiot groove in the open groove matching the anti-idiot groove.

[0013] As an improvement, the exhaust plate is evenly provided with multiple groups of air outlet meshes 1 along its circumferential direction, the air outlet adjustment plate is connected with air outlet meshes 2 with the same specifications as air outlet meshes 1 along its circumferential direction, a mark 1 is provided on one side of the top of the shaft body, and the top wall of the guide top plate is concavely provided with several marks 2 with the same position as air outlet meshes 1 along its circumferential direction.

[0014] As an improvement, the edge of the bottom wall of the guide top plate is provided with an upwardly inclined wall.

[0015] (III) Beneficial effects

[0016] The advantages of the present invention compared with the prior art are: in the present application, the pulse air pump can be used for recoil dust removal through the provision of an internal recoil component, and the floating dust and the like knocked inside fall into the annular dust collecting groove due to gravity, and the filter body can be opened for cleaning or regular cleaning when the filter element needs to be replaced. In the present application, an air outlet adjustment plate is additionally provided, which can be used in conjunction with the pulse air pump and can also control the size of the air outlet of the purifier. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a self-cleaning air filter.

[0018] Figure 2 The utility model is a structural schematic diagram of a self-cleaning air filter in a bottom view.

[0019] Figure 3 It is a structural schematic diagram of a cross-section of a self-cleaning air filter.

[0020] Figure 4 The present invention is a partial structural schematic diagram of a self-cleaning air filter in a top view.

[0021] Figure 5 It is a structural schematic diagram of the air outlet adjustment plate.

[0022] As shown in the figure: 1. Air filter housing; 2. Air filter element; 3. Air inlet mesh; 4. Filter chamber; 5. Exhaust plate; 6. Guide top plate; 7. Control panel; 8. Shaft body; 9. Air outlet adjustment plate; 10. Air duct opening; 11. Fan assembly; 12. Bottom tray; 13. Opening groove; 14. Negative ion generator; 15. Pulse air pump; 16. Air pipe; 17. Sprayer; 18. Housing; 19. Inlet dust filter mesh; 20. Dust collection hopper; 21. Ring-shaped dust collection groove; 22. Anti-fooling groove; 23. Socket; 24. Plug rod; 25. Anti-fooling flange; 26. Air outlet mesh one; 27. Air outlet mesh two; 28. Mark one; 29. Mark two. Detailed implementation manners

[0023] The following further describes the detailed implementation manners of the present utility model with reference to the accompanying drawings. The same components are denoted by the same reference numerals.

[0024] It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific component.

[0025] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intermediate element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0027] In order to make the content of the present utility model more clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

[0028] Please refer specifically to the attached Figures 1-5, A self-cleaning air filter, comprising an air filter housing 1 and an air filter element 2. Along the circumferential direction of the air filter housing 1, a plurality of intake air mesh openings 3 are connected and provided. Inside the air filter housing 1, there is a filter chamber 4, and the air filter element 2 is arranged inside the filter chamber 4. At the top of the filter chamber 4, an exhaust plate 5 is connected. At the top of the exhaust plate 5, a diversion top plate 6 is connected. On the diversion top plate 6, a control panel 7 is connected, and the use of the device is controlled through the control panel 7.

[0029] During specific use, inside the filter chamber 4, between the exhaust plate 5 and the air filter element 2, an air duct opening 10 is connected. Inside the air duct opening 10, a fan assembly 11 is connected. In order to adjust the air flow, in the middle of the diversion top plate 6, a shaft body 8 is rotatably sleeved. The bottom end of the shaft body 8 penetrates through the bottom wall of the exhaust plate 5 and is connected with an air outlet adjusting plate 9.

[0030] Among them, in order to perform backwashing dust removal and regular treatment of the filter screen, at the bottom end inside the filter chamber 4, a bottom tray 12 is arranged in cooperation with the air filter element 2. On the bottom tray 12, a backwashing assembly is connected in cooperation with the air filter element 2. At the bottom end of the air filter housing 1, an opening slot 13 is arranged in cooperation with the bottom tray 12, and the installation and use of the bottom tray and the air filter element 2 are realized through the opening slot 13.

[0031] More specifically:

[0032] The backwashing assembly includes a pulse air pump 15 and a vertically arranged air pipe 16. The air outlet of the pulse air pump 15 is communicated with the air pipe 16. The air pipe 16 penetrates through the top wall of the bottom tray 12 and is connected with a plurality of spray heads 17. At the bottom of the bottom tray 12, a housing 18 is connected in cooperation with the pulse air pump 15. At the bottom end of the housing 18, an intake air dust filtering mesh opening 19 is provided. An ash collecting hopper 20 is sleeved outside the housing 18, and the outer wall of the ash collecting hopper 20 is clamped and arranged with the opening slot 13.

[0033] And in the upper part of the ash collecting hopper 20, a circular ash collecting groove 21 is concavely provided. On the bottom wall inside the filter chamber 4, an inclined angle is provided towards the circular ash collecting groove 21.

[0034] The pulse air pump 15 generates an air flow that impacts the air filter element 2 through the spray heads 17, thereby shaking off the dust particles and the like on its outermost part, which fall into the ash collecting hopper 20. The intake air mesh opening 3 also shakes off dust and the like through the reverse blowing air flow. The user can clean the periphery of the air filter housing 1 by himself. Among them, in order to ensure the effect during use, the air outlet adjusting plate 9 can be used to seal the exhaust plate 5 to ensure the backwashing effect.

[0035] During specific use, the outer wall of the dust collection hopper 20 is provided with a socket 23 and an anti-fooling groove 22. The outer wall of the air filter housing 1 is provided with a shaft hole in cooperation with the socket 23. A plug rod 24 inserted into the socket 23 is slidably arranged in the shaft hole. An anti-fooling flange 25 protrudes outwards in cooperation with the anti-fooling groove 22 in the opening groove 13. The plug rod 24 can be selected as an ordinary pin rod or a screw rod. When the plug rod is a screw rod, the socket 23 is a threaded port. By changing the relative position of the plug rod 24 and the socket 23, the connection between the dust collection head 20 and the air filter housing can be restricted or released, and the air filter housing can be lifted up and down to replace and maintain the filter element, etc.

[0036] In one embodiment:

[0037] An anion generator 14 is further connected along the circumferential direction of the inner top of the air duct opening 10.

[0038] In one embodiment:

[0039] A plurality of groups of first air outlet meshes 26 are uniformly arranged along the circumferential direction of the exhaust plate 5. The second air outlet meshes 27 with the same specifications as the first air outlet meshes 26 are connected along the circumferential direction of the air outlet adjusting plate 9. A first mark 28 is provided on one side of the top of the shaft body 8. A plurality of second marks 29 with the same positions as the first air outlet meshes 26 are concavely arranged along the circumferential direction of the top wall of the diversion top plate 6. The relative positions of the first air outlet meshes 26 and the second air outlet meshes 27 are judged and used through the cooperation of the first mark 28 and the second mark 29.

[0040] In one embodiment:

[0041] The edge of the bottom wall of the diversion top plate 6 is provided with an upwardly inclined inclined wall, so that the discharged gas is scattered obliquely upwards.

[0042] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0043] The standard parts used in the present utility model can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. Coupled with the circuit connection adopting the conventional connection method in the prior art, it will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0044] The above describes the present utility model and its implementation manners. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present utility model, and the actual structure is not limited thereto. In summary, if those of ordinary skill in the art are inspired by it and, without departing from the gist of the creation of the present utility model, design similar structural manners and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the present utility model.

Claims

1. A self-cleaning air filter, comprising an air filter housing (1) and an air filter element (2), characterized in that: A plurality of air intake mesh openings (3) are connected and arranged on the air filter housing (1) along its circumferential direction. A filter chamber (4) is arranged inside the air filter housing (1), and the air filter element (2) is arranged inside the filter chamber (4). A exhaust plate (5) is connected to the top of the filter chamber (4). A diversion top plate (6) is connected to the top of the exhaust plate (5). A control panel (7) is connected to the diversion top plate (6). A shaft body (8) is rotatably sleeved in the middle of the diversion top plate (6). The bottom end of the shaft body (8) penetrates through the bottom wall of the exhaust plate (5) and is connected with an air outlet adjusting plate (9). An air duct opening (10) is connected between the exhaust plate (5) and the air filter element (2) inside the filter chamber (4). A fan assembly (11) is connected inside the air duct opening (10). A bottom tray (12) is arranged at the bottom end inside the filter chamber (4) to cooperate with the air filter element (2). A backwashing assembly for cooperating with the air filter element (2) is connected to the bottom tray (12). An opening groove (13) is arranged at the bottom end of the air filter housing (1) to cooperate with the bottom tray (12).

2. The self-cleaning air filter according to claim 1, characterized in that: A negative ion generator (14) is further connected along the circumferential direction of the top inside the air duct opening (10).

3. The self-cleaning air filter according to claim 1, wherein: The backwashing assembly includes a pulse air pump (15) and a vertically arranged air pipe (16). The air outlet of the pulse air pump (15) is communicated with the air pipe (16). The air pipe (16) penetrates through the top wall of the bottom tray (12) and is connected with a plurality of spray heads (17). A housing (18) is connected to the bottom of the bottom tray (12) to cooperate with the pulse air pump (15). An air intake dust filtering mesh opening (19) is arranged at the bottom end of the housing (18). A dust collecting hopper (20) is sleeved outside the housing (18). The outer wall of the dust collecting hopper (20) is clamped and arranged with the opening groove (13).

4. The self-cleaning air filter according to claim 3, wherein: An annular dust collecting groove (21) is concavely arranged in the upper part of the dust collecting hopper (20). An inclined angle is arranged on the bottom wall inside the filter chamber (4) towards the annular dust collecting groove (21). An insertion opening (23) and an anti-fooling groove (22) are arranged on the outer wall of the dust collecting hopper (20). A shaft hole is arranged on the outer wall of the air filter housing (1) to cooperate with the insertion opening (23). A plug rod (24) which is arranged inside the insertion opening (23) is slidably arranged inside the shaft hole. An anti-fooling flange (25) protrudes outside the opening groove (13) to cooperate with the anti-fooling groove (22).

5. The self-cleaning air filter according to claim 1, characterized in that: A plurality of first air outlet mesh openings (26) are uniformly arranged along the circumferential direction on the exhaust plate (5). Second air outlet mesh openings (27) with the same specifications as the first air outlet mesh openings (26) are connected along the circumferential direction on the air outlet adjusting plate (9). A first mark (28) is arranged on one side of the top of the shaft body (8). A plurality of second marks (29) which are in the same positions as the first air outlet mesh openings (26) are concavely arranged along the circumferential direction on the top wall of the diversion top plate (6).

6. The self-cleaning air filter according to claim 1, wherein: An inclined wall which inclines upwards is arranged at the edge of the bottom wall of the diversion top plate (6).

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