CN220758381U

CN220758381U - Bag filter assembly

Info

Publication number: CN220758381U
Application number: CN202322413389.XU
Authority: CN
Inventors: 王德成
Original assignee: Shandong Jingdiyi Environmental Protection Technology Co ltd
Current assignee: Shandong Jingdiyi Environmental Protection Technology Co ltd
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2024-04-12
Anticipated expiration: 2033-09-06

Abstract

The utility model discloses a bag filter assembly, comprising: the filter cloth bag is used for filtering gas; the connection structure for filter sack and external equipment's connection, connection structure includes: the limiting frame is used for positioning the bag opening of the filter cloth bag, and a plurality of through hole areas are arranged on the inner side of the limiting frame in parallel at intervals; the inner side of the positioning frame is movably sleeved with the outer wall of the limiting frame; the limiting block is in a strip shape, the end part of the limiting block is rotationally connected with the side of the back surface of the positioning frame and is used for limiting the limiting frame in the blocking mode of the inner side of the positioning frame. According to the utility model, the positioning frame and the limiting frame in the connecting structure are connected in a penetrating and clamping manner, so that the bag opening of the filter bag can be positioned and fixed, and the limiting block with the rotatable back surface is matched with the limiting block, so that the limiting block can be locked or unlocked through rotation, the operation is simple and convenient, the filter bag in the bag filter can be replaced independently, and the use cost is reduced.

Description

Bag filter assembly

Technical Field

The utility model relates to the technical field of bag filters, in particular to a bag filter assembly.

Background

The bag filter can be used for medium-level filtration of an air conditioning system to protect a next-level filter box system in the system, and air treated by the medium-level filter can be directly sent to a user in places with low requirements on air purification cleanliness. The aluminum frame bag filter adopts high-quality synthetic fiber or imported glass as a filter material, has better purifying effect and is popular with consumers. And the bag filter has large effective filtering area, large dust holding capacity, small resistance and large ventilation.

The existing bag filter is generally composed of a bag body and an aluminum frame, the bag body is connected with an external equipment port through the aluminum frame, but the connection structure composed of the bag body and the aluminum frame on the existing bag filter is inconvenient to disassemble and assemble, so that the bag filter needs to be integrally replaced when the bag filter is replaced, the use cost is increased, and therefore the bag filter assembly is provided for solving the problems.

Disclosure of Invention

The present utility model is directed to a bag filter assembly that solves the above-mentioned problems with the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a bag filter assembly comprising:

the filter cloth bag is used for filtering gas;

the connecting structure is used for connecting the mouth of the filter cloth bag with external equipment;

the connection structure includes:

the limiting frame is used for positioning the bag opening of the filter cloth bag, and a plurality of through hole areas are arranged on the inner side of the limiting frame in parallel at intervals;

the inner side of the positioning frame is movably sleeved with the outer wall of the limiting frame;

the limiting block is in a strip shape, the end part of the limiting block is rotationally connected with the side of the back surface of the positioning frame and is used for limiting the limiting frame in the blocking mode of the inner side of the positioning frame.

Preferably, the inner side of the positioning frame is in a front narrow and rear wide shape, the inner side size of the front surface of the positioning frame is smaller than the size of the limiting frame, and the inner side size of the back surface of the positioning frame is matched with the size of the limiting frame.

Preferably, the filter cloth bag comprises a plurality of bag bodies, wherein a plurality of bag bodies are arranged at intervals in parallel, a connecting cloth is fixedly connected to the bag openings of the bag bodies, and the bag bodies are respectively arranged in a penetrating mode with the through hole areas on the inner sides of the limiting frames.

Preferably, a connecting through hole is formed in the end portion of the limiting block, a T-shaped pin shaft is inserted into the connecting through hole, and one end of the T-shaped pin shaft is fixedly connected with the outer wall of the back face of the positioning frame.

Preferably, the end part of the limiting block, which is far away from the connecting through hole, is connected with ball rubber, and the ball rubber is positioned on one side of the limiting block, which is opposite to the positioning frame.

Preferably, the position of the outer wall of the limiting block corresponding to the ball rubber is provided with a mounting slot, the mounting slot is arranged in a sliding and penetrating manner with the ball rubber, and a reset spring is fixedly connected between the mounting slot and the ball rubber.

The utility model has the technical effects and advantages that:

(1) According to the utility model, the positioning frame and the limiting frame in the connecting structure are clamped in a penetrating manner, so that the bag opening of the filter bag can be positioned and fixed, and the limiting block with the rotatable back surface is matched with the limiting block, so that the limiting block can be locked or unlocked through rotation, the operation is simple and convenient, the filter bag in the bag filter can be replaced independently, and the use cost is reduced;

(2) According to the utility model, the ball rubber arranged on the limiting block can increase the stability of the clamping connection of the limiting frame in the positioning frame by utilizing the elastic deformation characteristic of the ball rubber, and meanwhile, the extrusion force of the ball rubber on the limiting frame can be further increased by matching with the installation slot and the reset spring, so that the installation tightness of the filter cloth bag between the positioning frame and the limiting frame is further improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of a rear perspective structure of the connection structure of the present utility model.

Fig. 3 is a schematic view of a partial enlarged structure at a of fig. 2 according to the present utility model.

Fig. 4 is a schematic diagram of the internal structure of the stopper according to the present utility model.

FIG. 5 is a schematic diagram of the structure of the filter cloth bag.

In the figure: 1. filtering the cloth bag; 11. connecting cloth; 12. a bag body; 2. a connection structure; 21. a positioning frame; 22. a limit frame; 23. a limiting block; 24. a T-shaped pin shaft; 25. a connecting through hole; 26. mounting and slotting; 27. ball rubber; 28. and a return spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides a bag filter assembly as shown in fig. 1-5, comprising:

the filtering cloth bag 1 is used for filtering gas, the filtering cloth bag 1 comprises a plurality of bag bodies 12, the plurality of bag bodies 12 are arranged at intervals in parallel, connecting cloth 11 is fixedly connected to the bag openings of the plurality of bag bodies 12, the plurality of bag bodies 12 are respectively arranged in a penetrating mode with the through hole areas on the inner sides of the limiting frames 22 in a penetrating mode, the connecting cloth 11 is used for connecting the plurality of bag bodies 12, and the bag bodies 12 can be fixed through the fixing of the connecting cloth 11;

connection structure 2 for the connection of 1 sack of filtration sack and external equipment, connection structure 2 includes:

the limiting frame 22 for positioning the mouth of the filter cloth bag 1 is provided with a plurality of through hole areas in parallel at intervals on the inner side of the limiting frame 22, and the plurality of through hole areas can be used for conveniently accommodating and limiting the plurality of bag bodies 12 and keeping the plurality of bag bodies 12 stably placed on the limiting frame 22;

the positioning frame 21 is used for being connected with external equipment, the inner side of the positioning frame 21 is movably sleeved with the outer wall of the limiting frame 22, a connecting hole or a connecting piece can be arranged on the positioning frame 21, so that the positioning frame 21 is convenient to be connected with the external equipment, meanwhile, the positioning frame 21 and the limiting frame 22 are inserted and clamped, the port of the filter cloth bag 1 can be clamped and fixed, and the filter cloth bag 1 is stably installed between the positioning frame 21 and the limiting frame 22;

the limiting block 23 is in a strip shape, the end part of the limiting block 23 is rotationally connected with the side of the back surface of the positioning frame 21, the end part of the limiting block 23 is provided with a connecting through hole 25, a T-shaped pin shaft 24 is inserted into the connecting through hole 25, one end of the T-shaped pin shaft 24 is fixedly connected with the outer wall of the back surface of the positioning frame 21, and is used for limiting the limiting block 22 on the inner side of the positioning frame 21, and the limiting block 23 is fixed with the positioning frame 21 after passing through the connecting through hole 25 on the limiting block 23 through the T-shaped pin shaft 24, so that the limiting block 23 can rotate on the positioning frame 21, and meanwhile, the T-shaped pin shaft 24 has a certain extrusion force effect on the limiting block 23, so that the rotation of the limiting block 23 is subjected to friction resistance.

The inner side of the positioning frame 21 is in a front narrow and rear wide shape, the inner side dimension of the front side of the positioning frame 21 is smaller than the dimension of the limiting frame 22, the inner side dimension of the back side of the positioning frame 21 is matched with the dimension of the limiting frame 22, and the positioning tightness between the positioning frame 21 and the limiting frame 22 is improved;

the end connection that connecting through hole 25 was kept away from to stopper 23 has bulb rubber 27, bulb rubber 27 is located the stopper 23 and the relative one side of locating frame 21, the installation fluting 26 has been seted up to stopper 23 outer wall and bulb rubber 27 corresponding position department, installation fluting 26 and bulb rubber 27 slip alternate setting, and fixedly connected with reset spring 28 between installation fluting 26 and the bulb rubber 27, but bulb rubber 27 accessible self elastic deformation characteristic increases the extrusion effect to spacing frame 22, cooperation reset spring 28 and the direction of installation fluting 26, further increase the extrusion effect to spacing frame 22, improve the compactness of compressing tightly between locating frame 21 and the spacing frame 22.

The working principle of the utility model is as follows: when the filter cloth bag 1 is installed on the connecting structure 2, a plurality of bag bodies 12 on the filter cloth bag 1 are only required to be inserted from through hole areas on the inner sides of the limiting frames 22, so that connecting cloth 11 at the ports of the bag bodies 12 is paved on the front sides of the limiting frames 22, then the limiting frames 22 with the connecting cloth 11 are clamped on the inner sides of the positioning frames 21, the connecting cloth bag 11 is pressed and fixed by utilizing the mutual clamping of the limiting frames 22 and the positioning frames 21, meanwhile, the transverse limiting blocks 23 are manually rotated to the vertical downward position, the blocking limiting blocks 23 are utilized to block and limit the back sides of the limiting frames 22, and the fixing after the clamping between the positioning frames 21 and the limiting frames 22 is achieved by matching with the relative fixing of the positions of the limiting blocks 23 between the positioning frames 21, so that the filter cloth bag 1 can be connected and installed with the ports of external equipment through the positioning frames 21.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A bag filter assembly comprising:

a filter cloth bag (1) for filtering gas;

the connecting structure (2) is used for connecting the bag opening of the filter cloth bag (1) with external equipment;

the method is characterized in that: the connection structure (2) comprises:

the limiting frame (22) is used for positioning the bag opening of the filter cloth bag (1), and a plurality of through hole areas are arranged on the inner side of the limiting frame (22) in parallel at intervals;

the inner side of the positioning frame (21) is movably sleeved with the outer wall of the limiting frame (22);

the limiting block (23) is in a strip shape, and the end part of the limiting block is rotationally connected with the side of the back surface of the positioning frame (21) and is used for limiting the limiting frame (22) in a blocking way on the inner side of the positioning frame (21).

2. A bag filter assembly according to claim 1, wherein the inner side of the positioning frame (21) is in a front narrow and rear wide shape, the inner side dimension of the front side of the positioning frame (21) is smaller than the dimension of the limit frame (22), and the inner side dimension of the back side of the positioning frame (21) is matched with the dimension of the limit frame (22).

3. The bag filter assembly according to claim 1, wherein the filter cloth bag (1) comprises a plurality of bag bodies (12), the plurality of bag bodies (12) are arranged at intervals in parallel, a connecting cloth (11) is fixedly connected to the bag openings of the plurality of bag bodies (12), and the plurality of bag bodies (12) are respectively arranged in a penetrating manner with the through hole areas on the inner sides of the limiting frames (22).

4. A bag filter assembly according to claim 1, wherein a connecting through hole (25) is formed at the end part of the limiting block (23), a T-shaped pin shaft (24) is inserted into the connecting through hole (25), and one end of the T-shaped pin shaft (24) is fixedly connected with the outer wall of the back surface of the positioning frame (21).

5. A bag filter assembly according to claim 1, wherein the end of the stopper (23) remote from the connecting through hole (25) is connected with a ball rubber (27), the ball rubber (27) being located on the side of the stopper (23) opposite to the positioning frame (21).

6. The bag filter assembly according to claim 5, wherein a mounting groove (26) is formed in a position, corresponding to the ball rubber (27), of the outer wall of the limiting block (23), the mounting groove (26) is slidably inserted into the ball rubber (27), and a return spring (28) is fixedly connected between the mounting groove (26) and the ball rubber (27).