Air filter element with multi-layer structure

By designing the structure of the rotating disc, arc-shaped slide chute and sliding column on the air filter element, combined with the combination of the hexagonal connecting ring and the return spring, the stability problem caused by the air filter element is solved, and the service life and replacement convenience are improved.

CN222777785UActive Publication Date: 2025-04-22XINXIANG FEIDEKE MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202421287315.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-04-22
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

The existing multi-layer structure air filter element collides with the filter frame due to vibration during the equipment operation, which is prone to fall off or breakage, and has a short service life.

Method used

An air filter element with a multi-layer structure is designed. By providing a rotating disc and arc-shaped slide chute at the lower end of the upper base, the sliding column slides along the arc-shaped slide chute and is stuck in the inner wall of the filter frame to ensure the stability of the air filter element. At the same time, the hexagonal connecting ring and return spring are used to prevent instability caused by vibration of the equipment.

Benefits of technology

Improves the stability of the air filter element, prevents collision with the filter frame, extends service life, and simplifies the replacement process and reduces resource waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air filter element with a multilayer structure, which comprises a high-efficiency filter element, an upper base is arranged at the upper end of the high-efficiency filter element, the lower end of the upper base is rotatably connected with a rotating disc, a plurality of arc-shaped sliding grooves are formed in the lower end of the rotating disc in a penetrating manner, a plurality of guide grooves are formed in one side of the upper base, and the guide grooves are communicated with the arc-shaped sliding grooves. The inner walls of the multiple guide grooves are slidably connected with sliding frames, one sides of the multiple sliding frames are fixedly connected with sliding columns, and the outer side walls of the multiple sliding columns are slidably connected with the inner walls of the multiple arc-shaped sliding grooves correspondingly. One end of the lower base is fixed on the frame of the filter, then the hexagonal connecting rod is rotated, the rotating disc rotates on the upper base, the sliding column slides along the arc-shaped sliding grooves, and one end of each arc-shaped sliding groove is clamped on the inner wall of the frame of the filter, so that the stability of the air filter element is improved; the air filter element is prevented from colliding with the frame of the filter, and the service life of the air filter element is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of air filter elements, in particular to an air filter element with a multi-layer structure. Background Art

[0002] An air filter is a type of filter, also known as an air filter cartridge, air cleaner or style, etc. It is mainly used for air filtration in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operating rooms and various precision operating rooms. However, in order to ensure better filtering effects, multi-layer filter elements will be installed. Multi-layer air filter elements are usually composed of multiple layers of filter screens with different functions. Each layer filters specific particles to improve filtering efficiency.

[0003] At present, the installation method of the multi-layer air filter element is that one end is threadedly connected to the filter frame, while the other end is suspended. As a result, when the equipment is running, vibration is generated, causing the air filter element to collide with the filter frame, causing the air filter element to fall off or break, making it inconvenient to use. Utility Model Content

[0004] The utility model aims to provide an air filter element with a multi-layer structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air filter element with a multi-layer structure, including a high-efficiency filter element, the upper end of the high-efficiency filter element is provided with an upper base, the lower end of the upper base is rotatably connected to a rotating disk, the lower end of the rotating disk is penetrated by a plurality of arc-shaped slide grooves, one side of the upper base is provided with a plurality of guide grooves, the inner walls of the plurality of guide grooves are slidably connected to sliding frames, one side of the plurality of sliding frames is fixedly connected to sliding columns, the outer side walls of the plurality of sliding columns are respectively slidably connected to the inner walls of the plurality of arc-shaped slide grooves, the middle part of the upper base is rotatably connected to a rotating rod, and the outer side wall of the rotating rod is fixedly connected to the middle part of the rotating disk.

[0006] As a further preferred embodiment of the present technical solution, a hexagonal fixing frame is fixedly connected to the middle part of the upper end of the upper base, a hexagonal connecting ring is slidably engaged on the inner wall of the hexagonal fixing frame, a hexagonal connecting rod is slidably connected to the inner wall of the hexagonal connecting ring, and the lower end of the hexagonal connecting rod is fixedly connected to one end of the rotating rod.

[0007] As a further preferred embodiment of the present technical solution, a mounting groove is provided on one side of the outer wall of the hexagonal connecting rod, a fixed block is slidably connected to the inner wall of the mounting groove, a return spring is fixedly connected to one side of the fixed block, and one end of the return spring is fixedly connected to one side of the inner wall of the mounting groove.

[0008] As a further preferred embodiment of the present technical solution, an activated carbon filter core is slidably connected to the inner wall of the high-efficiency filter core, and a primary-efficiency filter core is slidably connected to the inner wall of the activated carbon filter core.

[0009] As a further preferred embodiment of the present technical solution, a mounting ring is fixedly connected to one side of the inner wall of the high-efficiency filter element, a slider is fixedly connected to one side of the outer wall of the activated carbon filter element, and the outer wall of the slider is slidably connected to the inner wall of the mounting ring.

[0010] As a further preferred embodiment of the present technical solution, a lower base is provided at the other end of the high-efficiency filter element, a fixing bolt is threadedly connected to one side of the outer wall of the lower base, and one end of the fixing bolt is threadedly connected to one side of the outer wall of the high-efficiency filter element.

[0011] The utility model provides an air filter element with a multi-layer structure, which has the following beneficial effects:

[0012] (1) The utility model fixes one end of the lower base on the frame of the filter, rotates the hexagonal connecting rod to rotate the rotating disk on the upper base, and the sliding column slides along the arc-shaped slide groove. One end of the plurality of arc-shaped slide grooves is stuck on the inner wall of the filter frame, thereby improving the stability of the air filter element, preventing the air filter element from colliding with the filter frame, and increasing the service life of the air filter element.

[0013] (2) The utility model pushes the hexagonal connecting ring so that one side of the hexagonal connecting ring squeezes the fixing block into the installation groove. When one side of the hexagonal connecting ring is stuck in the hexagonal fixing frame and the other side is on the hexagonal connecting rod, the reaction force of the reset spring pushes the fixing block out to fix the hexagonal connecting ring, thereby preventing the vibration force caused by the operation of the equipment from causing the hexagonal connecting rod to rotate slowly, resulting in unstable fixation of the sliding frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the explosion structure of the upper base in the utility model;

[0017] Figure 4 for Figure 3 A partial enlarged schematic diagram of the middle A area;

[0018] In the figure: 1. High-efficiency filter element; 2. Lower base; 3. Upper base; 4. Hexagonal fixing frame; 5. Hexagonal connecting rod; 6. Hexagonal connecting ring; 7. Sliding frame; 8. Fixing bolt; 9. Activated carbon filter element; 10. Primary filter element; 11. Mounting ring; 12. Sliding block; 13. Guide groove; 14. Sliding column; 15. Rotating rod; 16. Rotating disk; 17. Arc slide groove; 18. Mounting groove; 19. Reset spring; 20. Fixing block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figure 1 - Figure 4 As shown, in this embodiment, an air filter element with a multi-layer structure includes a high-efficiency filter element 1, an upper base 3 is provided at the upper end of the high-efficiency filter element 1, a rotating disk 16 is rotatably connected to the lower end of the upper base 3, a plurality of arc-shaped slide grooves 17 are penetrated through the lower end of the rotating disk 16, a plurality of guide grooves 13 are provided on one side of the upper base 3, the inner walls of the plurality of guide grooves 13 are slidably connected to the sliding racks 7, a plurality of sliding racks 7 are fixedly connected to one side with sliding columns 14, and the outer side walls of the plurality of sliding columns 14 are respectively connected to the inner walls of the plurality of arc-shaped slide grooves 17 Sliding connection, the middle part of the upper base 3 is rotatably connected with a rotating rod 15, and the outer side wall of the rotating rod 15 is fixedly connected to the middle part of the rotating disk 16. By fixing one end of the lower base 2 on the frame of the filter, the hexagonal connecting rod 5 is rotated to make the rotating disk 16 rotate on the upper base 3, and the sliding column 14 slides along the arc-shaped slide groove 17. One end of the plurality of arc-shaped slide grooves 17 is stuck on the inner wall of the filter frame, thereby improving the stability of the air filter element, preventing the air filter element from colliding with the filter frame, and increasing the service life of the air filter element.

[0021] like Figure 1 , Figure 3 and Figure 4 As shown, a hexagonal fixing frame 4 is fixedly connected to the middle part of the upper end of the upper base 3, a hexagonal connecting ring 6 is slidably connected to the inner wall of the hexagonal fixing frame 4, a hexagonal connecting rod 5 is slidably connected to the inner wall of the hexagonal connecting ring 6, and the lower end of the hexagonal connecting rod 5 is fixedly connected to one end of the rotating rod 15. By pushing the hexagonal connecting ring 6, one side of the hexagonal connecting ring 6 is stuck in the hexagonal fixing frame 4 and the other side is on the hexagonal connecting rod 5, the hexagonal fixing frame 4 and the hexagonal connecting rod 5 are connected into a whole to prevent the hexagonal connecting rod 5 from rotating.

[0022] like Figure 4As shown, a mounting groove 18 is provided on one side of the outer wall of the hexagonal connecting rod 5, a fixing block 20 is slidably connected to the inner wall of the mounting groove 18, a return spring 19 is fixedly connected to one side of the fixing block 20, and one end of the return spring 19 is fixedly connected to one side of the inner wall of the mounting groove 18. Through the cooperation between the return spring 19 and the fixing block 20, the vibration generated during the operation of the equipment can be prevented from vibrating the hexagonal connecting ring 6 out of the hexagonal fixing frame 4.

[0023] like Figure 1 and Figure 2 As shown, the inner wall of the high-efficiency filter core 1 is slidably clamped with an activated carbon filter core 9, and the inner wall of the activated carbon filter core 9 is slidably clamped with a primary filter core 10. Through the cooperation of the high-efficiency filter core 1, the activated carbon filter core 9 and the primary filter core 10, the filtering effect of the gas can be improved.

[0024] like Figure 1 and Figure 2 As shown, a mounting ring 11 is fixedly connected to one side of the inner wall of the high-efficiency filter element 1, and a slider 12 is fixedly connected to one side of the outer wall of the activated carbon filter element 9. The outer wall of the slider 12 is slidably connected to the inner wall of the mounting ring 11. Through the cooperation of the mounting ring 11 and the slider 12, the high-efficiency filter element 1, the activated carbon filter element 9 and the primary filter element 10 can be assembled into a whole, wherein the mounting ring 11 is installed on the inner walls of the high-efficiency filter element 1 and the activated carbon filter element 9, and the slider 12 is installed on the outer walls of the primary filter element 10 and the activated carbon filter element 9.

[0025] like Figure 1 and Figure 2 As shown, a lower base 2 is provided at the other end of the high-efficiency filter element 1, and a fixing bolt 8 is threadedly connected to one side of the outer wall of the lower base 2. One end of the fixing bolt 8 is threadedly connected to one side of the outer wall of the high-efficiency filter element 1. The air filter element can be easily replaced through the fixing bolt 8 to prevent the entire component from being replaced, thereby reducing resource waste.

[0026] The utility model provides an air filter element with a multi-layer structure, and the specific working principle is as follows:

[0027] When using the air filter element for filtering, the gas first enters the primary filter element 10 through the lower base 2, and the gas is filtered through the primary filter element 10, the activated carbon filter element 9 and the high-efficiency filter element 1. When the air filter element is used for a long time and the air filter element in the equipment needs to be replaced, first pull the hexagonal connecting ring 6. When the inner wall of the hexagonal connecting ring 6 is completely pulled onto the hexagonal connecting rod 5, the hexagonal connecting ring 6 is rotated to make the rotating disk 16 rotate on the upper base 3, and the sliding column 14 slides along the arc-shaped slide groove 17. One end of the multiple arc-shaped slide grooves 17 is moved out from the inner wall of the filter frame, and the entire air filter element is rotated to remove the air filter element from the equipment. Then, the fixing bolt 8 is rotated to replace the new air filter element. After the replacement is completed, one end of the lower base 2 is fixed to the frame of the filter, and the reverse hexagonal connecting ring 6 is used to make the rotating disk 16 rotate on the upper base 3, and the sliding column 14 slides along the arc-shaped slide groove 17. One end of the multiple arc-shaped slide grooves 17 is stuck on the inner wall of the filter frame.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air filter element with a multi-layer structure, comprising a high-efficiency filter element (1), characterized in that: The upper end of the high-efficiency filter element (1) is provided with an upper base (3), the lower end of the upper base (3) is rotatably connected to a rotating disk (16), the lower end of the rotating disk (16) is penetrated by a plurality of arc-shaped sliding grooves (17), one side of the upper base (3) is provided with a plurality of guide grooves (13), the inner walls of the plurality of guide grooves (13) are slidably connected to a sliding frame (7), one side of the plurality of sliding frames (7) are fixedly connected to a sliding column (14), the outer side walls of the plurality of sliding columns (14) are respectively slidably connected to the inner walls of the plurality of arc-shaped sliding grooves (17), the middle part of the upper base (3) is rotatably connected to a rotating rod (15), and the outer side wall of the rotating rod (15) is fixedly connected to the middle part of the rotating disk (16).

2. The air filter element with a multi-layer structure according to claim 1, characterized in that: A hexagonal fixing frame (4) is fixedly connected to the middle of the upper end of the upper base (3); a hexagonal connecting ring (6) is slidably engaged with the inner wall of the hexagonal fixing frame (4); a hexagonal connecting rod (5) is slidably engaged with the inner wall of the hexagonal connecting ring (6); and a lower end of the hexagonal connecting rod (5) is fixedly connected to one end of the rotating rod (15).

3. The air filter element with a multi-layer structure according to claim 2, characterized in that: A mounting groove (18) is provided on one side of the outer wall of the hexagonal connecting rod (5); a fixing block (20) is slidably connected to the inner wall of the mounting groove (18); a return spring (19) is fixedly connected to one side of the fixing block (20); and one end of the return spring (19) is fixedly connected to one side of the inner wall of the mounting groove (18).

4. The air filter element with a multi-layer structure according to claim 1, characterized in that: An activated carbon filter core (9) is slidably engaged with the inner wall of the high-efficiency filter core (1), and a primary-efficiency filter core (10) is slidably engaged with the inner wall of the activated carbon filter core (9).

5. The air filter element with a multi-layer structure according to claim 4, characterized in that: A mounting ring (11) is fixedly connected to one side of the inner wall of the high-efficiency filter element (1), a sliding block (12) is fixedly connected to one side of the outer wall of the activated carbon filter element (9), and the outer wall of the sliding block (12) is slidably connected to the inner wall of the mounting ring (11).

6. The air filter element with a multi-layer structure according to claim 1, characterized in that: The other end of the high-efficiency filter core (1) is provided with a lower base (2), one side of the outer wall of the lower base (2) is threadedly connected with a fixing bolt (8), and one end of the fixing bolt (8) is threadedly connected to one side of the outer wall of the high-efficiency filter core (1).