CN216778260U

CN216778260U - Air filter with anti-blocking function

Info

Publication number: CN216778260U
Application number: CN202220459384.3U
Authority: CN
Inventors: 邱涛; 高林东; 许同俊
Original assignee: Shanghai Filter Co ltd
Current assignee: Shanghai Filter Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-06-21
Anticipated expiration: 2032-03-03

Abstract

The utility model discloses an air filter with an anti-blocking function, which comprises a box body, wherein two HEPA filter screens are arranged on the inner wall of the box body, a circular plate is arranged in the box body and positioned above the HEPA filter screens, the circular plate is rotatably connected with the inner wall of the box body, an HEPA annular filter screen layer is arranged in the circular plate, a rotating shaft is arranged at the upper end of the circular plate, a motor is arranged at the upper end of the rotating shaft, the motor is positioned at the upper end of the box body, a large gear is arranged on the outer surface of the rotating shaft, a round block is arranged on the right side of the rotating shaft, a hairbrush is arranged at the lower end of the round block, and the hairbrush is in contact with the HEPA annular filter screen layer. According to the utility model, dust in the air is filtered through the HEPA annular filter screen layer, meanwhile, the circular plate rotates, so that the air is filtered at different positions of the HEPA annular filter screen layer, the filtering effect is ensured, meanwhile, the brush cleans the dust on the surface of the HEPA annular filter screen layer, and the HEPA annular filter screen layer is prevented from being blocked by the dust.

Description

Air filter with anti-blocking function

Technical Field

The utility model relates to the field of air filters, in particular to an air filter with an anti-blocking function.

Background

The air filter is a device which collects dust from gas-solid two-phase flow through the action of porous filter materials and enables gas to be purified. The air with low dust content is purified and sent into the room to ensure the technological requirement of clean room and the air cleanliness in the common air-conditioning room. After the air filter is used for a long time, the filter screen inside can be blocked by dust, the filtering effect in the later stage is influenced, manual regular cleaning is needed, and the trouble is very high. Accordingly, those skilled in the art have provided an air filter having an anti-blocking function to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an air filter with an anti-blocking function, which comprises a box body, wherein two HEPA filter screens are arranged on the inner wall of the box body;

an HEPA annular filter screen layer is arranged in the circular plate, a rotating shaft is arranged at the upper end of the circular plate, a motor is arranged at the upper end of the rotating shaft and is positioned at the upper end of the box body, a large gear is arranged on the outer surface of the rotating shaft, and a round block is arranged on the right side of the rotating shaft;

the lower end of the round block is provided with a hairbrush which is contacted with the HEPA annular filter screen layer, the middle part in the round block is provided with a dust absorption rod, the upper end of the dust absorption rod penetrates through the box body, the upper end of the dust absorption rod is provided with a rotary joint, and the upper end of the rotary joint is provided with a dust absorption pipe;

dust absorption pipe one end installation dust catcher, dust absorption pole surface mounting pinion, and pinion and gear wheel meshing, the box upper end left part sets up the intake pipe, and is equipped with the clearance between intake pipe lower extreme and the HEPA annular filter screen layer.

Preferably: and a fan is arranged in the air inlet pipe.

Preferably, the following components: and the lower end of the box body is provided with a discharge pipe.

Preferably: spacing rails are symmetrically arranged on the upper side and the lower side of the HEPA filter screen and fixedly connected with the inner wall of the box body.

Preferably: the rear end of the box body is provided with a taking hole, the side surfaces of the box body are symmetrically provided with fixing blocks in the left-right direction, and the fixing blocks are provided with connecting holes.

Preferably: an arc-shaped cover plate is arranged in the taking hole, and a sealing gasket is arranged at the front end of the arc-shaped cover plate.

Preferably: connecting blocks are symmetrically arranged at the left end and the right end of the arc-shaped cover plate, and bolts are arranged in the connecting blocks.

The utility model has the technical effects and advantages that:

the air is blown to the HEPA annular filter screen layer through the air inlet pipe, dust in the air is filtered through the HEPA annular filter screen layer, meanwhile, the circular plate rotates, the air is filtered at different positions of the HEPA annular filter screen layer, the filtering effect is guaranteed, meanwhile, the dust on the surface of the HEPA annular filter screen layer is cleaned through the brush, the HEPA annular filter screen layer is prevented from being blocked by the dust, and meanwhile, the dust is sucked away through the dust collector.

Drawings

FIG. 1 is a schematic structural diagram provided in example 1 of the present application;

FIG. 2 is a schematic structural diagram of a box provided in embodiment 1 of the present application;

FIG. 3 is a schematic structural view of a dust suction rod provided in embodiment 1 of the present application;

FIG. 4 is a schematic structural diagram provided in example 2 of the present application;

in the figure:

1. a box body; 11. an air inlet pipe; 12. a fan; 13. a HEPA filter screen; 14. taking the hole; 15. a limit rail; 16. a fixed block; 17. connecting holes;

2. a circular plate; 21. a HEPA annular screen layer; 22. a rotating shaft; 23. a motor; 24. a bull gear;

3. a round block; 31. a brush; 32. a dust suction rod; 33. a pinion gear; 34. a rotary joint; 35. a dust collection pipe; 36. a vacuum cleaner;

4. an arc-shaped cover plate; 41. connecting blocks; 42. and (4) bolts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 3, in the present embodiment, an air filter with anti-blocking function is provided, which includes a box 1, two HEPA filters 13 are installed on an inner wall of the box 1, a circular plate 2 is installed in the box 1, the circular plate 2 is located above the HEPA filters 13, the circular plate 2 is rotatably connected to the inner wall of the box 1, an HEPA ring filter 21 is installed in the circular plate 2, a rotating shaft 22 is installed at an upper end of the circular plate 2, a motor 23 is installed at an upper end of the rotating shaft 22, a large gear 24 is installed on an outer surface of the rotating shaft 22, a round block 3 is installed at a right side of the rotating shaft 22, a brush 31 is installed at a lower end of the round block 3, the brush 31 contacts the HEPA ring filter 21, a dust suction rod 32 is installed at an inner middle portion of the round block 3, an upper end of the dust rod 32 penetrates through the box 1, a rotary joint 34 is installed at an upper end of the dust rod 32, a dust pipe 35 is installed at an upper end of the rotary joint 34, a dust collector 36 is installed at one end of the dust pipe 35, a small gear 33 is installed on an outer surface of the dust rod 32, and the pinion 33 is engaged with the gearwheel 24, the left part of the upper end of the box body 1 is provided with an air inlet pipe 11, a gap is arranged between the lower end of the air inlet pipe 11 and the HEPA annular filter screen layer 21, the fan 12 is arranged in the air inlet pipe 11, and the lower end of the box body 1 is provided with a discharge pipe.

The working principle of the utility model is as follows: the fan 12 generates wind power to suck outside air into the box body 1, the air is blown to the HEPA annular filter screen layer 21 through the air inlet pipe 11, dust in the air is filtered through the HEPA annular filter screen layer 21, meanwhile, the motor 23 drives the circular plate 2 to rotate through the rotating shaft 22, different positions of the HEPA annular filter screen layer 21 are used for filtering the air, the filtering effect is guaranteed, meanwhile, the rotating shaft 22 drives the dust suction rod 32 to rotate through meshing transmission of the large gear 24 and the small gear 33, the dust suction rod 32 drives the circular block 3 to rotate, the circular block 3 drives the brush 31 to rotate to clean the dust on the surface of the HEPA annular filter screen layer 21, the HEPA annular filter screen layer 21 is prevented from being blocked by the dust, meanwhile, the dust is sucked away through the dust suction pipe 35 and the dust suction rod 32 by the dust suction pipe 36, the air is filtered through the two HEPA filter screens 13, and then the air is discharged through the discharge pipe.

Example 2

Referring to fig. 4, in this embodiment, the limit rails 15 are symmetrically installed on the upper side and the lower side of the HEPA filter screen 13, the limit rails 15 are fixedly connected to the inner wall of the box body 1, a taking hole 14 is formed in the rear end of the box body 1, the fixed blocks 16 are symmetrically installed on the left side and the right side of the box body 1, the connecting holes 17 are formed in the fixed blocks 16, the arc-shaped cover plate 4 is arranged in the taking hole 14, a sealing gasket is installed at the front end of the arc-shaped cover plate 4, the connecting blocks 41 are symmetrically installed at the left end and the right end of the arc-shaped cover plate 4, the bolts 42 are arranged in the connecting blocks 41, the arc-shaped cover plate 4 covers the taking hole 14, the fixed blocks 16 are connected with the connecting blocks 41 through the bolts 42, and the HEPA filter screen 13 is convenient to replace.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. An air filter with an anti-blocking function comprises a box body (1) and is characterized in that two HEPA filter screens (13) are mounted on the inner wall of the box body (1), a circular plate (2) is arranged in the box body (1), the circular plate (2) is located above the HEPA filter screens (13), and the circular plate (2) is rotatably connected with the inner wall of the box body (1);

an HEPA annular filter screen layer (21) is arranged in the circular plate (2), a rotating shaft (22) is installed at the upper end of the circular plate (2), a motor (23) is installed at the upper end of the rotating shaft (22), the motor (23) is located at the upper end of the box body (1), a large gear (24) is installed on the outer surface of the rotating shaft (22), and a round block (3) is arranged on the right side of the rotating shaft (22);

the lower end of the round block (3) is provided with a hairbrush (31), the hairbrush (31) is contacted with the HEPA annular filter screen layer (21), the middle part in the round block (3) is provided with a dust absorption rod (32), the upper end of the dust absorption rod (32) penetrates through the box body (1), the upper end of the dust absorption rod (32) is provided with a rotary joint (34), and the upper end of the rotary joint (34) is provided with a dust absorption pipe (35);

dust catcher (36) is installed to dust absorption pipe (35) one end, and dust absorption pole (32) surface mounting pinion (33), and pinion (33) and gear wheel (24) meshing, and box (1) upper end left part sets up intake pipe (11), and is equipped with the clearance between intake pipe (11) lower extreme and HEPA annular filter screen layer (21).

2. The air filter with the anti-blocking function according to claim 1, wherein a fan (12) is installed in the air inlet pipe (11).

3. The air filter with the anti-blocking function according to claim 1, wherein a discharge pipe is installed at the lower end of the case (1).

4. The air filter with the anti-blocking function according to claim 1, wherein the HEPA filter screen (13) is symmetrically provided with limiting rails (15) at the upper side and the lower side, and the limiting rails (15) are fixedly connected with the inner wall of the box body (1).

5. The air filter with the anti-blocking function according to claim 1, wherein the rear end of the box body (1) is provided with a taking hole (14), the side surfaces of the box body (1) are symmetrically provided with fixing blocks (16), and the fixing blocks (16) are internally provided with connecting holes (17).

6. The air filter with the anti-blocking function according to claim 5, wherein an arc-shaped cover plate (4) is arranged in the taking hole (14), and a sealing gasket is arranged at the front end of the arc-shaped cover plate (4).

7. The air filter with the anti-blocking function according to claim 6, wherein the left end and the right end of the arc-shaped cover plate (4) are symmetrically provided with connecting blocks (41), and bolts (42) are arranged in the connecting blocks (41).