CN216497980U

CN216497980U - Double-open type backflushing filter

Info

Publication number: CN216497980U
Application number: CN202122874909.8U
Authority: CN
Inventors: 李容琴; 瞿为东
Original assignee: Jianhu Pressure Valve Ltd Responsibility Co
Current assignee: Jianhu Pressure Valve Ltd Responsibility Co
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-13
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to a double-open type backflushing filter which comprises a filtering main body, wherein a circulation channel is arranged in the filtering main body, a multiple filter element assembly and a self-cleaning joint are arranged in the circulation channel, the self-cleaning joint is detachably connected with the filtering main body, the multiple filter element assembly is arranged in the filtering main body, the top end of the multiple filter element assembly is attached to the self-cleaning joint, the multiple filter element assembly is communicated with the circulation channel, two intercepting control mechanisms which are matched and connected with the circulation channel are arranged on the filtering main body, and the two intercepting control mechanisms are symmetrically arranged on the filtering main body. The filter core adopts multiple filter element group spare, guarantees multiple filterable quality and the intensity of filter core.

Description

Double-open type backflushing filter

Technical Field

The utility model relates to the technical field of control equipment, in particular to a double-open type backflushing filter.

Background

The backflushing filter is widely applied to industrial pipe networks of industrial departments such as petroleum, chemical industry, electric power, metallurgy, food, medicine, light textile, paper making and the like, the purpose of intercepting flow can be realized through the backflushing filter, the traditional filter has poor filtering efficiency, is difficult to clean, is inconvenient to disassemble and assemble, has high maintenance cost and is difficult to control, and the utility model provides a new solution for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a dual open backflush filter.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a double open type recoil filter, includes and filters the main part, filters the inside circulation passageway that is provided with of main part, is provided with multiple filter element group spare and connects from the cleaning in the circulation passageway, and the self-cleaning connects can dismantle with filtering the main part and is connected, and multiple filter element group spare sets up and connects the laminating setting on inside and the top of filtering the main part and self-cleaning, multiple filter element group spare with circulation passageway intercommunication sets up, it controls the mechanism, two to be provided with two interception that are connected with circulation passageway cooperation in the filtering the main part control mechanism symmetry sets up in filtering the main part.

In a further preferred, the interception control mechanism comprises a valve rod, a first pin shaft, a ball body and a sealing gasket, the valve rod is connected with the ball body through the first pin shaft, the ball body is installed inside the filtering main body, and the sealing gasket is arranged between the ball body and the filtering main body.

In a further preferred embodiment, the filter body is provided with a joint connected to the flow channel, and a first O-ring seal is provided between the joint and the filter body.

In a further preferred embodiment, a first stop ring is arranged between the self-purging fitting and the filter body.

In a further preferred embodiment, a second O-ring seal and a second retainer ring are provided between the valve stem and the filter body.

In a further preferred mode, the valve rod is connected with a gland, the gland is connected with the filtering body, a third O-shaped sealing ring and a third check ring are arranged between the gland and the valve body as well as between the gland and the filtering body, and the gland is connected with the filtering main body through a second pin shaft and a first screw.

In a further preferred mode, one end, extending outwards, of the valve rod is connected with a handle, and a positioning block is arranged at the joint of the handle and the pressing cover.

In a further preferred mode, the handle is connected with the gland through a second screw, and a first gasket is arranged at the joint.

(III) advantageous effects

Compared with the prior art, the utility model provides a double-open type backflushing filter, which has the following beneficial effects:

1. the whole forging structure is adopted, and the processing and the manufacturing are simple.

2. The filter core adopts multiple filter element group spare, guarantees multiple filterable quality and the intensity of filter core.

3. The upper portion of the filter element adopts a structure which can be taken out conveniently, the filter element can be taken out only by opening the upper cover, and the filter element is cleaned conveniently and quickly.

4. And a double-ball valve is adopted as a double-switch mode, so that the opening and closing of a medium under a working condition are ensured.

5. By adopting the self-cleaning structure, the filter element can be conveniently cleaned without independently dismounting the filter element.

Drawings

FIG. 1 is a top view of a preferred overall structure A-A of a dual open backflush filter of the present invention;

FIG. 2 is a top sectional view of a preferred monolithic structure B-B of a dual open backflush filter of the present invention;

FIG. 3 is a side sectional view of a preferred monolith structure B-B of a dual open backflush filter of the present invention.

In the figure: 1. a filter body; 2. a first O-ring seal; 3. sealing gaskets; 4. a sphere; 5. a first pin shaft; 6. a multiple filter element assembly; 7. a joint; 8. a self-purging fitting; 9. a first retainer ring; 10. a second O-ring seal; 11. a second retainer ring; 12. a third O-shaped sealing ring; 13. a third retainer ring; 14. a gland; 15. positioning blocks; 16. a first gasket; 17. a second screw; 18. a valve stem; 19. a handle; 20. a second pin shaft; 21. a first screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-3, a double-open type backflushing filter comprises a filtering main body 1, wherein a circulation channel is arranged inside the filtering main body 1, a multiple filter element assembly 6 and a self-cleaning joint 8 are arranged in the circulation channel, the self-cleaning joint 8 is detachably connected with the filtering main body 1, the multiple filter element assembly 6 is arranged inside the filtering main body 1, the top end of the multiple filter element assembly is attached to the self-cleaning joint 8, the multiple filter element assembly 6 is communicated with the circulation channel, two flow intercepting control mechanisms which are matched and connected with the circulation channel are arranged on the filtering main body 1, and the two flow intercepting control mechanisms are symmetrically arranged on the filtering main body 1.

In this embodiment, the interception control mechanism includes a valve rod 18, a first pin 5, a sphere 4 and a sealing gasket 3, the valve rod 18 is connected with the sphere 4 through the first pin 5, the sphere 4 is installed inside the filtering main body 1, and the sealing gasket 3 is arranged between the sphere 4 and the filtering main body 1. The circulation of the medium can be well controlled by the ball 4.

In this embodiment, the filter body 1 is provided with a joint 7 connected to the flow passage, and a first O-ring 2 is provided between the joint 7 and the filter body 1. The design that connects 7 can be fine makes the filter in this scheme be connected with external equipment.

In this embodiment, a first retainer ring 9 is provided between the self-purging fitting 8 and the filter body 1. The design of the first collar 9 makes the connection of the self-purging fitting 8 to the filter body 1 more secure.

In this embodiment, a second O-ring 10 and a second stop 11 are provided between the valve stem 18 and the filter body 1. The valve stem 18 and the filter body 1 are more firmly connected.

In this embodiment, the valve stem 18 is connected to the gland 14, the gland 14 is connected to the filter body 1, the third O-ring 12 and the third retainer 13 are disposed between the gland 14 and the valve stem 18 and between the filter body 1, and the gland 14 is connected to the filter body 1 through the second pin 20 and the first screw 21. So that the valve stem 18 is more firmly connected to the filter body 1.

In this embodiment, a handle 19 is connected to an end of the valve rod 18 that extends outward, and a positioning block 15 is disposed at a connection position of the handle 19 and the gland 14. The installation and the disassembly of the handle 19 by workers are facilitated.

In this embodiment, the handle 19 is connected to the gland 14 by a second screw 17, and a first gasket 16 is disposed at the connection. The mounting and dismounting of the handle 19 is facilitated.

The second embodiment:

in conclusion, when the filter is used, the medium enters the multiple filter element assembly 6 through the filter main body 1 and is subjected to multiple filtration through the multiple filter element assembly 6, so that impurities in the medium can be removed to the maximum extent, and the impurities are prevented from entering a rear pipeline. The multi-filter element assembly is characterized in that the two symmetrically arranged spheres 4 can be opened and closed conveniently, the two handles 19 are rotated, the handles 19 drive the valve rod 18 and the spheres 4 to rotate, and further realize the circulation and the cutoff of media, the multi-filter element assembly 6 can be conveniently cleaned without independently removing the filter element through the self-cleaning joint 8, when the multi-filter element assembly is required to be detached, the self-cleaning joint 8 is detached firstly, then the multi-filter element assembly 6 is taken out to be cleaned or replaced, the multi-filter element assembly is preferably a metal mesh filter layer, a non-woven fabric filter layer and a sponge layer which are arranged from the outside to the inside in sequence, and a metal support is further arranged to install the filter layers. The specific shape of the metal bracket can be manufactured according to actual conditions, and is not described herein.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a double open type recoil filter, includes and filters the main part, its characterized in that filters the inside circulation passageway that is provided with of main part, is provided with multiple filter element group spare and self-cleaning joint in the circulation passageway, and the self-cleaning joint can be dismantled with filtering the main part and be connected, and multiple filter element group spare sets up and connects the laminating setting on inside and the top of filtering the main part with the self-cleaning, multiple filter element group spare with circulation passageway intercommunication sets up, be provided with two cut-off control mechanism, two of being connected with circulation passageway cooperation in the filtering the main part cut-off control mechanism symmetry sets up in filtering the main part.

2. A dual open backflush filter according to claim 1, wherein: the interception control mechanism comprises a valve rod, a first pin shaft, a ball body and a sealing gasket, the valve rod is connected with the ball body through the first pin shaft, the ball body is installed inside the filtering main body, and the sealing gasket is arranged between the ball body and the filtering main body.

3. A dual open backflush filter according to claim 1, wherein: the filtering main body is provided with a joint connected with the circulation channel, and a first O-shaped sealing ring is arranged between the joint and the filtering main body.

4. A dual open backflush filter according to claim 1, wherein: a first retainer ring is arranged between the self-cleaning joint and the filtering main body.

5. A dual open backflush filter according to claim 2, wherein: and a second O-shaped sealing ring and a second check ring are arranged between the valve rod and the filtering body.

6. A dual open backflush filter according to claim 2, wherein: the valve rod is connected with a gland, the gland is connected with the filtering body, a third O-shaped sealing ring and a third check ring are arranged between the gland and the valve body as well as between the gland and the filtering body, and the gland is connected with the filtering body through a second pin shaft and a first screw.

7. A dual open backflush filter according to claim 2, wherein: the one end that the valve rod stretches out outwards is connected with the handle, and the junction of handle and gland is provided with the locating piece.

8. A dual open backflush filter according to claim 7, wherein: the handle passes through the second screw and is connected with the gland, and the junction is provided with first gasket.