CN216677212U

CN216677212U - Exempt from to tear open and wash filter equipment

Info

Publication number: CN216677212U
Application number: CN202220050730.2U
Authority: CN
Inventors: 谢梦; 刘文明; 童乙伦
Original assignee: Hunan Tongneng Electromechanical Technology Co ltd
Current assignee: Hunan Tongneng Electromechanical Technology Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-07
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses a disassembly-free cleaning and filtering device, which comprises a blowoff valve body and a driving mechanism for driving a valve core in the valve body to rotate; also comprises a cleaning brush; the cleaning brush is fixed on the driving mechanism or the valve core, and when the driving mechanism acts, the cleaning brush is linked with the driving mechanism, so that the cleaning action can be carried out on the container wall, the pipe wall or the filter screen. The disassembly-free cleaning and filtering device is easy to implement and convenient to use.

Description

Exempt from to tear open and wash filter equipment

Technical Field

The utility model belongs to the field of self-cleaning valves, and relates to a disassembly-free cleaning and filtering device.

Background

Traditional filter does not exempt from to tear open and washs the filter screen function, also has the technique to improve, but adopts the mode of washing and blowdown separation, if: 201610110363.X a double-layer Y-type hand-operated filter, 201820452951.6 a non-dismantling and washing Y-type filter for use in an air source heat pump, in the prior art, cleaning of a container or a filter employs a cleaning mechanism of a rotary brush, inner wall cleaning is achieved by repeatedly rotating the brush, and blowdown is achieved by arranging a special blowdown valve, i.e., cleaning and blowdown are achieved by two sets of devices; the structure is complex and the volume is large. Also for the DN20 mini filter, there is no room at all for installing a purge mechanism and a blow-down valve at the same time. 2020225349489A blowoff valve suitable for cleaning filter screen, wherein the cleaning brush, brush rod and valve are combined, but the movement of the cleaning brush and brush rod and the action of the valve have no relevance, and the cleaning rotary action and valve switch action simultaneously generate two sealing parts, namely the sealing of rotary core and valve core, increasing the risk of leakage, and the blowoff valve has complex structure and poor reliability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a blowdown valve and a disassembly-free cleaning and filtering device, which are easy to implement and can realize convenient cleaning of a filter screen in a pipeline.

The technical solution of the utility model is as follows:

a non-dismantling cleaning filter device is used for filtering impurities in a fluid medium pipeline such as water, air, oil and the like; the filter comprises a filter and a blow-down valve, wherein a common filter is a Y-shaped or barrel-shaped filter commonly used, the filter comprises an inlet end, an outlet end and a blow-down outlet, a movable filter screen is arranged between the inlet end and the outlet end, the filter screen adopts a barrel-shaped filter screen or a planar filter screen, preferably the barrel-shaped filter screen, the inner side of the filter screen is communicated with the inlet end, and the outer side of the filter screen is communicated with the outlet end; the drain valve is arranged at the drain opening, and the drain opening is also provided with a cleaning mechanism; the cleaning mechanism is fixedly connected with the filter;

the blowdown valve comprises a valve body and a moving part, wherein the valve body comprises an inlet channel and an outlet channel, and the inlet channel is communicated with a blowdown port; the moving part comprises a valve core, a valve core connecting rod and a handle, and the handle is connected with the valve core through the valve core connecting rod; the moving part is connected with the filter screen, and when the blowoff valve is opened or closed, the filter screen can be driven to move, so that the filter screen is contacted with the cleaning mechanism to remove impurities on the filter screen; the valve core can rotate, such as a ball valve core; or linear motion, such as a shut-off valve cartridge.

Further, the handle of the moving part adopts an electric control driving mechanism; the electric control driving mechanism comprises a motor and a valve core connecting rod, and a rotating shaft of the motor is connected with the valve core through the valve core connecting rod; the motor is an electric, pneumatic or hydraulic motor.

Further, clean the mechanism and include brush-holder stud and brush head, brush-holder stud and the inside fixed connection of filter are equipped with the brush head on the brush-holder stud to with the filter screen contact, the brush head can adopt the metal brush that a plurality of elasticity copper wires or stainless steel wires are constituteed, or other nonmetal elastic fiber brushes, like the nylon brush. The cleaning mechanism is arranged in an inlet channel of the valve body, and the inlet channel is coaxial with the brush rod.

Furthermore, a valve body of the blowdown valve adopts a right-angle ball valve, a valve core adopts a spherical shape, the valve core is called as a blowdown ball valve, and the valve core, a valve core connecting rod and a brush rod rotate synchronously.

Furthermore, a valve body of the blowdown valve adopts a right-angle plunger valve, a valve core adopts a cylindrical shape and is called as a blowdown plunger valve, and the valve core, a valve core connecting rod and a brush rod rotate synchronously.

Further, a valve body of the drain valve adopts a right-angle stop valve, and when the valve core and the valve core connecting rod are fixed, the valve core, the brush rod and the brush head can rotate and reciprocate up and down;

when the valve core and the valve core connecting rod adopt a slipknot mode, only the valve core connecting rod rotates, and the valve core, the brush rod and the brush head do not rotate and only do linear reciprocating motion.

Further, clean the crooked elasticity brush that the mechanism adopted brush-holder stud and brush head to close as an organic whole, a plurality of crooked elasticity brush one end is direct to be fixed with filter internal connection, and the other end then dispersedly extends and filter screen contact.

Further, the brush head adopts a plate-shaped or shovel-shaped structure.

When the filter screen adopts tubbiness filter screen, brush-holder stud and brush head are located the filter screen, brush head and filter screen wall contact, and the length of brush-holder stud is close with filter screen length. The sewage discharge cover plate is provided with a through hole and is communicated with an inlet channel of the sewage discharge valve.

The cleaning process is as follows: by utilizing the pressure difference of the fluid medium in the filter to the outside, when the blow-down valve is opened to discharge a small amount of fluid medium outwards, impurities in the filter screen are discharged out of the filter together; meanwhile, the blowoff valve is repeatedly opened and closed for a plurality of times, and the handle drives the brush head to sweep the inner wall of the filter screen back and forth, so that the filter can be thoroughly cleaned without disassembling the filter.

Furthermore, the outlet channel of the blowdown valve is also connected with a sealing valve; when the blowoff valve is cleaned and blowoff, the sealing valve is opened, and impurities are discharged through the sealing valve; when the valve core of the blowoff valve is clamped by sundries and can not be closed or opened, the sealing valve is closed, the pressure of the inlet and outlet channels of the blowoff valve is balanced, the valve core of the blowoff valve is in a non-pressure-difference state, and then the blowoff valve is repeatedly opened and closed, so that the sundries of the blowoff valve core are loosened, and the sealing performance of the blowoff valve is recovered.

Has the advantages that:

the utility model discloses a disassembly-free cleaning and filtering device which comprises a filter and a blow-down valve, wherein the filter comprises an inlet end, an outlet end and a blow-down port, a movable filter screen is arranged between the inlet end and the outlet end, the blow-down valve is arranged at the blow-down port, and a cleaning mechanism is also arranged at the blow-down port; the cleaning mechanism is fixedly connected with the filter; the drain valve comprises a valve body and a moving part, wherein the valve body comprises an inlet channel and an outlet channel, and the inlet channel is communicated with a drain outlet; the moving part comprises a valve core, a valve core connecting rod and a handle, and the handle is connected with the valve core through the valve core connecting rod; the moving part is connected with the filter screen, and when the blowoff valve is opened or closed, the rotating filter screen and the fixed brush move relatively. By utilizing the pressure difference of the fluid medium in the filter to the outside, when the blow-down valve is opened to discharge a small amount of fluid medium outwards, impurities in the filter screen are discharged out of the filter together; meanwhile, the blowoff valve is repeatedly opened and closed for many times, and the handle drives the brush head to brush the inner wall of the filter screen back and forth, so that the filter screen is cleaned without being detached.

Compared with the prior art of separating the cleaning action and the sewage discharge action, the utility model has the advantages of simple structure, small volume, convenient operation, lower cost and wide application range, and can be used for large-scale devices and small-scale filters;

in addition, the utility model only has the existing rotary sealing part of the angle valve and does not add a new rotary sealing part, thereby having better safety and reliability.

The utility model extracts the commonality of the existing rotary cleaning mechanism and the valve, namely, the rotary rod is arranged on the rotary cleaning mechanism and the valve, and the rotary cleaning mechanism and the valve have rotary operation; a special angle valve is selected as a carrier of the drain valve, the cleaning brush head and the valve core are integrated, and the cleaning and the drain of the filter can be realized simultaneously by one operation; the filter is applied to a common Y-shaped filter or a common barrel-shaped filter, can really realize thorough cleaning of impurities in the filter screen without disassembling the filter, and can realize online cleaning and pollution discharge of a pipeline system.

The prior art filters, such as Y-shaped filters, are barrel-shaped annular filter screens and are plane filters, namely, the contact surface of a fluid medium and the filter screens is only a one-dimensional plane;

after the cleaning brush is added in the filter screen, the bristles with proper density are configured, so that the bristles also have the functions of filtering and blocking impurities in fluid, the common filter is upgraded from a plane filter screen to a three-dimensional filter, the resistance of the filter to fluid media can be reduced, the cleaning period of the filter is prolonged, and the filter is not easy to block in a popular way compared with the common filter.

Since the cleaning device and the valve in the prior art belong to two different technical functions, no similar structural indication exists, and the inventiveness is remarkable as imaginable by non-ordinary technicians.

Drawings

FIG. 1 is a schematic cross-sectional view of a disassembly-free Y-shaped filter device;

FIG. 2 is a schematic view of a structure of a blowoff valve adopting a right-angle ball valve and a filter screen

FIG. 3 is a schematic view of the blowdown valve in an open state using a ball valve body;

FIG. 4 is a schematic view of a blowoff valve in a closed state using a ball valve body;

FIG. 5 is a schematic view of a cleaning mechanism employing an integral curved resilient wire of a brush bar and brush head;

FIG. 6 is a schematic view of a squeegee blade employed with the brush head of the cleaning mechanism;

FIG. 7 is a schematic view of a blowoff valve in a closed state using a stop valve body;

FIG. 8 is a schematic view of the blowdown valve in an open state using the stop valve body;

FIG. 9 is a schematic view of a disassembly-free Y-type filtering device using an electric blowoff valve;

FIG. 10 is a schematic cross-sectional view of a non-dismantling barrel type filter apparatus;

FIG. 11 is a schematic view of a disassembly-free Y-strainer with a block valve.

Description of reference numerals: 1-a handle; 2-a valve body; 21-a cartridge gasket; 3-a brush rod; 31-a brush head; 4-a valve core; 41-spool link; 5-a filter; 51-a filter screen; 52-screen holder; 6-electric actuator; 7-sealing valve

Detailed Description

To facilitate an understanding of the utility model, the utility model will be described more fully and in detail with reference to the accompanying drawings and preferred embodiments, but the scope of the utility model is not limited to the specific embodiments described below.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present invention.

Example 1:

a disassembly-free cleaning and filtering device is disclosed, referring to figures 1-4, comprising a Y-shaped filter 5 and a blow-off valve, wherein the filter 5 comprises an inlet end, an outlet end and a blow-off port, a movable barrel-shaped filter screen 51 is arranged between the inlet end and the outlet end, the inner side of the filter screen 51 is communicated with the inlet end, and the outer side of the filter screen 51 is communicated with the outlet end; the blowdown valve is arranged at the blowdown port, and the blowdown port is also provided with a cleaning mechanism; the cleaning mechanism is fixedly connected with the filter 5;

the blowdown valve comprises a valve body 2 and a moving part, wherein the valve body adopts a right-angle ball valve and comprises an inlet channel and an outlet channel, and the inlet channel is communicated with a blowdown port; the moving part comprises a valve core 4, a valve core connecting rod 41 and a handle 2, and the handle 2 is connected with the valve core 4 through the valve core connecting rod 41; the moving part is connected with the filter screen 51 through the filter screen bracket 52, and the filter screen 51 can be driven to move when the blowoff valve is opened or closed;

cleaning the mechanism and including brush-holder stud 3 and brush head 31, brush-holder stud 3 is fixed with filter internal connection, is equipped with brush head 31 on the brush-holder stud 3 to with the contact of filter screen 51 inner wall, brush head 31 can adopt the metal brush that a plurality of elasticity copper wires or stainless steel wires are constituteed, or other nonmetal elastic fiber brushes, like the nylon brush. The length of the brush bar 3 is close to the length of the filter screen 51.

When the blowoff valve is opened, impurities in the filter 5 are discharged together with the pipeline fluid medium through an outlet channel of the blowoff valve; meanwhile, when the blowoff valve is rotated to be opened or closed, the valve core 4 drives the filter screen 51 to rotate, so that the fixed brush head 31 washes the inner wall of the filter screen 51, and impurities in the filter screen 51 can be thoroughly cleaned without disassembling the filter.

Example 2: the difference from the embodiment 1 is that, referring to fig. 5, the cleaning mechanism uses a curved elastic brush 31 in which a brush rod and a brush head are integrated, a plurality of bends made of L-shaped steel wires are gathered together by one end of the curved elastic brush 31, and are connected and fixed with the inside of the filter, and the other end is dispersedly extended to the inner wall part of the filter screen 51.

Example 3: the difference from embodiment 1 is that, referring to fig. 6, the brush head 31 adopts a plate-like or shovel-like structure, such as a rubber or silicone scraper.

Example 4: the difference from the embodiment 1 is that, referring to fig. 7-8, the blowoff valve adopts a right angle stop valve, when the valve core 4 is fixed with the valve core connecting rod 41, the valve core 4, the brush rod 3 and the filter screen 51 can rotate and reciprocate linearly;

when the spool 4 and the spool link 41 adopt a slipknot manner, the spool link 41 rotates, and the spool 4 and the strainer 51 do not rotate but only reciprocate linearly.

Example 5: the difference from the embodiment 1 is that the blowoff valve adopts a right-angle stop valve. The structure is similar to a right-angle ball valve, only the valve core is changed into a cylinder from a ball shape, and no drawing is needed for description.

Example 6: the difference from embodiment 1 is that, referring to fig. 9, the waste valve uses an electric actuator to drive the moving member.

Example 7: the difference from example 1 is that, referring to fig. 10, the filter of the disassembly-free cleaning filter device is a barrel type filter.

Example 8: the difference from the embodiment 1 is that, referring to fig. 11, the outlet channel of the blowoff valve is also connected with a sealing valve 7; when the blowdown valve is cleaned and blowdown is carried out, the sealing valve 7 is opened, and impurities are discharged through the sealing valve 7; when the valve core 4 of the blow-down valve is clamped by sundries and can not be closed or opened, the sealing valve 7 is closed, the pressure of the inlet and outlet channels of the blow-down valve is balanced, the valve core 4 is in a non-pressure-difference state, and then the blow-down valve is repeatedly opened and closed, so that the sundries of the valve core 4 are loosened, and the sealing performance of the blow-down valve is recovered; the sealing valve 7 can adopt a ball valve, a stop valve and other valves.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A disassembly-free cleaning and filtering device is characterized by comprising a filter and a blow-down valve, wherein the filter comprises an inlet end, an outlet end and a blow-down port, a movable filter screen is arranged between the inlet end and the outlet end, the blow-down valve is arranged at the blow-down port, and a cleaning mechanism is also arranged at the blow-down port; the cleaning mechanism is fixedly connected with the filter;

the blowdown valve comprises a valve body and a moving part, wherein the valve body comprises an inlet channel and an outlet channel, and the inlet channel is communicated with a blowdown port; the moving part comprises a valve core, a valve core connecting rod and a handle, and the handle is connected with the valve core through the valve core connecting rod; the moving part is connected with the filter screen, and when the blowoff valve is opened or closed, the moving part can drive the filter screen to move, so that the filter screen is contacted with the cleaning mechanism to remove impurities on the filter screen.

2. The non-dismantling cleaning and filtering device according to claim 1, wherein the handle of the moving part of the blowoff valve adopts an electric control driving mechanism; the electric control driving mechanism comprises a motor and a valve core connecting rod, and a rotating shaft of the motor is connected with the valve core through the valve core connecting rod; the motor is an electric, pneumatic or hydraulic motor.

3. The non-dismantling cleaning and filtering device according to claim 1, wherein the cleaning mechanism comprises a brush rod and a brush head, the brush rod is fixedly connected with the inside of the filter, and the brush head is arranged on the brush rod and is in contact with the filter screen.

4. The non-dismantling cleaning and filtering device for the oil well pipe of the water heater as claimed in claim 1, wherein the valve body is a ball valve with a rotary valve core or a plunger valve; or the valve body adopts a stop valve with a valve core moving repeatedly.

5. The non-dismantling cleaning and filtering device as defined in claim 1, wherein the cleaning mechanism is a curved elastic brush formed by combining a brush rod and a brush head, one end of the curved elastic brush is directly connected with the inside of the filter and fixed, and the other end of the curved elastic brush extends dispersedly to contact with the filter screen.

6. The non-dismantling cleaning and filtering device for washing machine as claimed in claim 3, wherein said brush head is of a plate-like or shovel-like structure.

7. The non-dismantling cleaning and filtering device for sewage pipes as claimed in claim 1, wherein a sealing valve is further provided at the outlet passage of the blowdown valve.