CN215742500U

CN215742500U - Large-flow air filter

Info

Publication number: CN215742500U
Application number: CN202122033805.4U
Authority: CN
Inventors: 张艳蕾; 赵小勇
Original assignee: Suzhou Lvjingyuan Environmental Protection Equipment Co ltd
Current assignee: Suzhou Lvjingyuan Environmental Protection Equipment Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-02-08
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a large-flow air filter which comprises a box body, an air inlet device, a plurality of filter cartridges, a plurality of screws and a plurality of screw caps, wherein the box body comprises a front wall and a rear wall, and the screws are vertically connected to the inner side surface of the rear wall; the front wall is provided with a plurality of mounting holes, the screw rod passes through the mounting holes and horizontally extends out of the box body, the filter cartridge passes through the mounting holes and is sleeved on the screw rod, and the nut is screwed at one end of the screw rod extending out of the box body; the outer side surface of the rear wall is provided with a plurality of connecting bent pipes and gas pipes, one ends of the connecting bent pipes are communicated with the gas pipes, and the other ends of the connecting bent pipes are communicated with the inner cavity of the filter cylinder. The screw rod is vertically connected with the inner side surface of the rear wall; and extend to the box external extension horizontally, when the cartridge filter passed the mounting hole and cup jointed on the screw rod, the gravity of cartridge filter was born by screw rod and mounting hole, need not the cartridge filter application of force, and the cartridge filter can be tentatively placed. And then, a screw cap is screwed at one end of the screw rod extending out of the box body, and the filter cartridge is finally fixed.

Description

Large-flow air filter

Technical Field

The utility model relates to a large-flow air filter, and belongs to the field of environment-friendly equipment.

Background

The air filter is a device which filters dust particles in air through the action of a porous filter material so as to purify the air. The air with low dust content is purified and then sent into a production space to ensure the requirement of the production process.

However, existing high flow air filter cartridges are bulky, fill multiple filter cartridges inside, and require periodic replacement to maintain good filtration efficiency. A plurality of screw rods are vertically arranged in the air filter, the filter cartridge is sleeved on the screw rods, and the screw caps are screwed on the lower parts of the screw rods. The arrangement mode of the filter cartridge is inconvenient, at least two persons are required to operate in the process of screwing the screw cap, one person upwards supports the heavy filter cartridge, and the other person screws the screw cap from the lower end of the screw rod; if the filter cartridge falls off, people who tighten the screw cap are often injured by smashing. The work is laborious and unsafe.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a large-flow air filter which has the advantages of simple and convenient installation process and labor saving.

In order to achieve the above purposes, the utility model adopts the technical scheme that: a large-flow air filter comprises a box body, an air inlet device, a plurality of filter cartridges, a plurality of screws and a plurality of screw caps, wherein the air inlet device is connected with the box body, the box body comprises a front wall and a rear wall, and the plurality of screws are vertically connected with the inner side surface of the rear wall; the front wall is provided with a plurality of mounting holes, the screw rod passes through the mounting holes and horizontally extends out of the box body, the filter cartridge passes through the mounting holes and is sleeved on the screw rod, and the nut is screwed at one end of the screw rod extending out of the box body; the outer side surface of the rear wall is provided with a plurality of connecting bent pipes and gas pipes, one ends of the connecting bent pipes are communicated with the gas pipes, and the other ends of the connecting bent pipes are communicated with the inner cavity of the filter cylinder.

The utility model is further provided with: the rear wall is provided with a plurality of through holes which are arranged around the screw rod, one side of each through hole is connected with the connecting bent pipe, and the other side of each through hole is connected with the inner cavity of the filter cartridge.

The utility model is further provided with: the below of cartridge filter is provided with a plurality of bracing pieces, bracing piece and cartridge filter butt, the one end and the antetheca fixed connection of bracing piece, the other end and back wall fixed connection.

The utility model is further provided with: the support rods are arranged annularly.

The utility model is further provided with: the cartridge filter includes the body, and the one end of body is the oral area, and the other end is provided with the head, and the center of head is provided with the apical pore, and the diameter of apical pore is the same with the diameter of screw rod, and the nut compresses tightly on the head.

The utility model is further provided with: the air inlet device is provided with an air inlet, the air inlet is arranged downwards, and the position of the air inlet is lower than the bottom wall of the box body.

The utility model is further provided with: and a layer of steel wire mesh covers the air inlet.

The utility model is further provided with: and a sealing ring is arranged between the mounting hole and the filter cylinder.

The utility model is further provided with: an access door is arranged on the front wall of the box body.

Compared with the prior art, the utility model has the beneficial effects that: the screw rod is vertically connected with the inner side surface of the rear wall; and extend to the box external extension horizontally, when the cartridge filter passed the mounting hole and cup jointed on the screw rod, the gravity of cartridge filter was born by screw rod and mounting hole, need not the cartridge filter application of force, and the cartridge filter can be tentatively placed to the cartridge filter can't drop. Then, a screw cap is screwed at one end of the screw rod extending out of the box body, and the filter cartridge is finally fixed; a plurality of connecting bent pipes and gas pipes are arranged on the outer side surface of the rear wall, one end of each connecting bent pipe is communicated with the gas pipes, and the other end of each connecting bent pipe is communicated with the inner cavity of the filter cylinder. Air enters the air pipe after passing through the filter cartridge and the connecting elbow pipe for air space or equipment. Only need alone can accomplish the operation of changing the cartridge filter, it is safer.

Drawings

FIG. 1 is a schematic diagram of a mass air filter according to a preferred embodiment of the present invention;

FIG. 2 is a schematic perspective view of the mass air filter of FIG. 1 from another perspective;

FIG. 3 is a schematic front view of the mass air filter of FIG. 1 from another perspective;

FIG. 4 is a schematic cross-sectional view taken along line AA in FIG. 3;

FIG. 5 is a schematic structural view of the filter cartridge of FIG. 4;

FIG. 6 is an exploded view of the air delivery tube, connecting elbow, rear wall, support rod and filter cartridge.

In the figure: 1. a box body; 2. an air intake device; 3. an access door; 4. a gas delivery pipe; 5. connecting a bent pipe; 6. a filter cartridge; 7. a nut; 8. a screw; 9. a support bar; 10. a through hole; 11. a front wall; 12. a rear wall; 13. mounting holes; 14. a seal ring; 15. a bottom wall; 21. steel wire mesh; 61. a body; 62. an inner cavity; 63. sealing the end; 64. a mouth; 65. and (4) a top hole.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Referring to fig. 1-6, the large flow air filter in this embodiment includes a box 1, an air intake device 2, a plurality of filter cartridges 6, a plurality of screws 8, and a plurality of nuts 7, wherein the air intake device 2 is connected to the box 1, the box 1 includes a front wall 11, a rear wall 12, and a bottom wall 15, and the plurality of screws 8 are vertically connected to an inner side surface of the rear wall 12; the front wall 11 is provided with a plurality of mounting holes 13, the screw 8 passes through the mounting holes 13 and horizontally extends out of the box body 1, the filter cartridge 6 passes through the mounting holes 13 and is sleeved on the screw 8, and the screw cap 7 is screwed at one end of the screw 8 extending out of the box body 1; the outer side surface of the back wall 12 is provided with a plurality of connecting bent pipes 5 and air pipes 4, one end of each connecting bent pipe 5 is communicated with the air pipe 4, and the other end of each connecting bent pipe 5 is communicated with the inner cavity 62 of the filter cylinder 6.

Since the screw 8 is vertically connected to the inner side surface of the rear wall 12; and extend to 1 external extension of box horizontally, when cartridge filter 6 passed mounting hole 13 and cup jointed on screw rod 8, cartridge filter 6's gravity is born by screw rod 8 and mounting hole 13, need not the application of force to cartridge filter 6, and cartridge filter 6 can tentatively place to cartridge filter 6 can't drop. Then, a screw cap 7 is screwed at one end of the screw 8 extending out of the box body 1, and the filter cartridge 6 is finally fixed; a plurality of connecting bent pipes 5 and air pipes 4 are arranged on the outer side surface of the rear wall 12, one end of each connecting bent pipe 5 is communicated with the corresponding air pipe 4, and the other end of each connecting bent pipe is communicated with the inner cavity 62 of the filter cylinder 6. Air enters the air pipe 4 after passing through the filter cartridge 6 and the connecting elbow pipe 5 for air space or equipment. Only need alone can accomplish the operation of changing cartridge filter 6, laborsaving and safety.

Specifically, the rear wall 12 is provided with a plurality of through holes 10, the through holes 10 are arranged around the screw 8, one side of the through holes 10 is connected with the connecting elbow 5, and the other side is connected with the inner cavity 62 of the filter cartridge 6.

During mounting, the filter cartridge 6 moves from the mounting hole 13 to the rear wall 12, and in order to prevent the filter cartridge 6 from tilting, the present invention is further configured such that: the below of cartridge filter 6 is provided with a plurality of bracing pieces 9, bracing piece 9 and cartridge filter 6 butt, the one end and the 11 fixed connection of antetheca of bracing piece 9, the other end and back wall 12 fixed connection. The filter cartridge 6 slides on the support rod 9, and the support rod 9 bears the weight of the filter cartridge 6 and urges the filter cartridge 6 to be kept in a horizontal state.

In order to prevent the filter cartridge 6 from inclining to the two sides of the screw 8, the utility model is further provided with: the plurality of support rods 9 are arranged annularly. The support rods 9 arranged in an annular shape support the filter cartridge 6 towards the direction of the circle center, and the filter cartridge 6 cannot incline towards the two sides of the screw rod 8.

Specifically, the filter cartridge 6 comprises a body 61, one end of the body 61 is a mouth part 64, the other end of the body 61 is provided with a seal head 63, the center of the seal head 63 is provided with a top hole 65, the diameter of the top hole 65 is the same as that of the screw 8, and the screw cap 7 is tightly pressed on the seal head 63. The head 63 is made of a rigid plastic material, is impermeable to air and has no filtering function, and is exposed outside the tank 1. When the screw cap 7 is separated from the screw rod 8 by vibration, the filter cartridge 6 is also separated from the screw rod 8, is easy to observe and is overhauled in time.

The large-flow air filter is often arranged outdoors, the box body 1 protects the filter cartridge 6 from wind, wind and rain, and in order to prevent rainwater from flowing into the box body 1, the utility model is further arranged as follows: the air inlet device 2 is provided with an air inlet which is arranged downwards, and the position of the air inlet is lower than the bottom wall 15 of the box body 1. When rainwater adheres to the air inlet device 2, the rainwater cannot flow upwards and enter the box body 1, and only can flow downwards, and finally falls off from the air inlet device 2.

The leaves, grass roots and garbage bags often appear on the ground, and when wind blows, the filter cartridges 6 are often blocked, the filter resistance is increased, and the air flow is reduced. In order to filter leaves, grass roots and garbage bags, the utility model is further provided with the following steps: the utility model is further provided with: the air inlet is covered with a layer of steel wire mesh 21.

In order to filter all air through the steel wire mesh 21 and prevent the air from flowing from the gap between the box body 1 and the filter cylinder 6, the utility model is further provided with the following components: a sealing ring 14 is arranged between the mounting hole 13 and the filter cylinder 6. The sealing ring 14 prevents air from flowing into the housing 1 from the gap between the housing 1 and the filter cartridge 6.

In order to facilitate regular maintenance, the utility model is further provided with: the front wall 11 of the box 1 is provided with an access door 3. And opening the access door 3, and allowing an operator to enter the box body 1 to overhaul the large-flow air filter.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A large-flow air filter comprises a box body, an air inlet device, a plurality of filter cartridges, a plurality of screws and a plurality of screw caps, wherein the air inlet device is connected with the box body; the front wall is provided with a plurality of mounting holes, the screw rod passes through the mounting holes and horizontally extends out of the box body, the filter cartridge passes through the mounting holes and is sleeved on the screw rod, and the nut is screwed at one end of the screw rod extending out of the box body; the outer side surface of the rear wall is provided with a plurality of connecting bent pipes and gas pipes, one ends of the connecting bent pipes are communicated with the gas pipes, and the other ends of the connecting bent pipes are communicated with the inner cavity of the filter cylinder.

2. The mass flow air filter according to claim 1, wherein the rear wall has a plurality of through holes disposed around the threaded rod, one side of the through holes being connected to the connection elbow and the other side being connected to the inner chamber of the filter cartridge.

3. The mass flow air filter according to claim 2, wherein a plurality of support rods are disposed below the filter cartridge, the support rods are abutted against the filter cartridge, one end of each support rod is fixedly connected to the front wall, and the other end of each support rod is fixedly connected to the rear wall.

4. The mass flow air filter of claim 3, wherein the plurality of support rods are arranged in a circular pattern.

5. The high-flow air filter according to claim 4, wherein the filter cartridge comprises a body, one end of the body is a mouth, the other end of the body is provided with a sealing head, the center of the sealing head is provided with a top hole, the diameter of the top hole is the same as that of the screw, and the screw cap is tightly pressed on the sealing head.

6. The mass flow air filter according to claim 5, wherein the air intake device has an air inlet, the air inlet is disposed downward, and the air inlet is located lower than the bottom wall of the housing.

7. The mass flow air filter of claim 6, wherein the air intake is covered with a layer of steel mesh.

8. The mass flow air filter of claim 7, wherein a seal ring is disposed between the mounting hole and the filter cartridge.

9. The mass flow air filter according to claim 8, wherein the front wall of the tank is provided with an access door.