CN216923276U - Blowoff valve and disassembly-free filter - Google Patents

Abstract

The utility model discloses a blowoff valve and a disassembly-free filter, wherein the blowoff valve comprises a 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 blowdown valve and the disassembly-free filter are easy to implement and convenient to use.

Description

Blowoff valve and disassembly-free filter

Technical Field

The utility model belongs to the field of self-cleaning valves, and relates to a drain valve and a disassembly-free filter.

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 drain valve and a disassembly-free filter, 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 waste valve comprising: a valve comprising a valve body and a moving part, wherein the valve body comprises an inlet passage and an outlet passage, and the moving part comprises a valve core; the valve cleaning device is characterized by further comprising a cleaning mechanism connected with the moving part, the cleaning mechanism is driven by the moving part to move in the opening or closing process of the valve, and the cleaning mechanism is driven by the moving part to perform cleaning action.

The valve core can rotate, such as a ball valve core; or linear motion, such as a shut-off valve cartridge.

The moving part comprises a handle and a valve core connecting rod, and the handle is connected with the valve core through the valve core connecting rod; 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.

The brush rod is connected with the moving part of the valve, the brush head is arranged on the brush rod, and the brush head can be a metal brush consisting of a plurality of elastic copper wires or stainless steel wires or other nonmetal elastic fiber brushes, such as nylon brushes.

The cleaning mechanism is arranged in an inlet channel of the valve body, and the inlet channel is coaxial with the brush rod.

The valve body adopts a ball valve with a valve core rotating to move or a plunger valve; or the valve body adopts a stop valve with a valve core moving repeatedly.

The cleaning mechanism adopts a bending elastic brush with a brush rod and a brush head integrated, one end of the bending elastic brush is directly connected with a moving part of the valve, and the other end of the bending elastic brush dispersedly extends to the outside of the valve body.

The brush head adopts a plate-shaped or shovel-shaped structure, such as a rubber or silica gel scraper.

A disassembly-free filter comprises a filter, wherein the filter comprises an inlet end, an outlet end and a sewage discharge outlet, a filter screen is arranged between the inlet end and the outlet end,

the drain is equipped with aforementioned blowoff valve, and the brush head that cleans the mechanism of blowoff valve contacts with the filter screen, and when the blowoff valve was opened or was closed, can drive the motion of brush head and clean the filter screen.

The outlet channel of the blowoff valve is also provided with a sealing valve. Specifically, a blowoff valve includes: the valve comprises a valve body and a moving part, wherein the valve body comprises an inlet channel and an outlet channel, and the moving part comprises a valve core; valves such as ball valves, plunger valves, stop valves, gate valves, butterfly valves and the like can be respectively adopted;

the cleaning mechanism is driven by the moving part to move in the opening or closing process of the valve. Wherein the sweeping mechanism is arranged at the inlet channel; the moving part comprises a handle, a valve core connecting rod and a valve core, one end of the valve core connecting rod is connected with the handle outside the valve body, the other end of the valve core connecting rod is connected with the valve core, the valve core connecting rod, the valve core and the inlet channel are coaxial, and the handle drives the valve core to rotate in the valve body through the valve core connecting rod; the valve core moves to open and close the inlet and outlet channels; the valve body is a right-angle valve with an inlet channel and an outlet channel which are perpendicular to each other, and the valve core connecting rod is also perpendicular to the outlet end.

The brush rod is connected with the moving part of the valve, the brush head is arranged on the brush rod, and the brush head can be a metal brush consisting of a plurality of elastic copper wires or stainless steel wires or other nonmetal elastic fiber brushes, such as nylon brushes. One end of the brush rod is connected with the valve core or the valve core connecting rod, and the other end of the brush rod extends to the outside of the valve body; the brush head is arranged on the brush rod positioned outside the valve body. When the handle rotates, the brush rod, the brush head and the valve core rotate synchronously. The brush rod is coaxial with the valve core and the valve core connecting rod, and can also be eccentric, preferably coaxial. For example, the inner wall of a barrel-shaped container needs to be cleaned, the brush head is contacted with the inner wall, and the top or the bottom of the container can be provided with the drain valve, so that the inner wall of the container is automatically cleaned during draining.

A valve body of the blowdown valve adopts a right-angle ball valve, a valve core adopts a ball 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.

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.

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 up-and-down reciprocating motion.

The cleaning mechanism adopts a bending elastic brush with a brush rod and a brush head integrated, one end of the bending elastic brush is directly connected with a moving part of the valve, and the other end of the bending elastic brush dispersedly extends to the outside of the valve body. One end of a bent elastic brush consisting of a plurality of L-shaped steel wires is gathered together and is connected with a valve core or a valve core connecting rod of the valve, and the other end of the elastic brush is scattered and is contacted with the inner wall of the barrel-shaped container to be cleaned.

The brush head adopts a plate-shaped or shovel-shaped structure, such as a rubber or silica gel scraper.

The blowoff valve can adopt an electric actuator, a pneumatic actuator or a hydraulic actuator to drive the moving part.

The non-dismantling filter is arranged in the pipeline and is used for filtering impurities in the fluid medium pipeline such as water, air, oil and the like; the filter comprises a filter, wherein the filter comprises an inlet end and an outlet end, a sewage discharge outlet is formed in the inlet end, a 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 common filter is a Y-type or barrel-type filter.

A sewage draining valve is arranged at the sewage draining port, a brush head of a cleaning mechanism of the sewage draining valve is in contact with the filter screen, and the filter screen can be cleaned through the movement of the brush head when the sewage draining valve is opened or closed;

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 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 can be thoroughly cleaned without disassembling the filter.

The outlet channel of the blowoff 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 exhaust valve is in a non-pressure difference state, and then the blowoff valve is repeatedly opened and closed, so that the sundries on the valve core of the blowoff valve are loosened, and the sealing performance of the blowoff valve is recovered.

Has the advantages that:

the utility model discloses a blowoff valve which comprises a valve body and a cleaning mechanism, wherein the cleaning mechanism comprises a brush rod and a brush head consisting of a metal brush consisting of a plurality of elastic copper wires or stainless steel wires, one end of the brush rod is connected with a valve core or a valve core connecting rod, and when a handle rotates, the brush rod, the brush head and the valve core synchronously rotate.

Meanwhile, a disassembly-free filter is disclosed, which comprises a filter and the blowoff valve, wherein the filter comprises an inlet end and an outlet end, the inlet end is provided with a drain outlet, and a filter screen is arranged between the inlet end and the outlet end; the drain valve is arranged on the drain outlet, and when the drain valve is opened, impurities in the filter are discharged together with the fluid medium of the pipeline through the outlet channel of the drain valve; meanwhile, when the blowoff valve is rotated to be opened or closed, the valve core drives the brush head to rotate on the inner wall of the filter screen to wash the inner wall of the filter screen, so that impurities in the filter screen can be thoroughly washed without disassembling the filter.

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 angle valve only has the existing rotary sealing part, and no new rotary sealing part is added, so that the safety and the reliability are better.

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 action; the cleaning agent is applied to a common Y-shaped filter or a barrel-shaped filter, can really realize thorough cleaning of impurities in a filter screen without disassembling the filter, and can also realize online cleaning and pollution discharge of a pipeline system.

The filter screens of the prior art filters, such as Y-shaped filters, are barrel-shaped annular filter screens and are plane filtering, i.e. the contact surfaces of the fluid medium and the filter screens are all one-dimensional planes;

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 exterior view of a blow-down valve employing a ball valve body;

FIG. 2 is a schematic view of a cleaning mechanism using a curved flexible wire with a brush rod and a brush head integrated;

FIG. 3 is a schematic view of a squeegee blade employed with the brush head of the cleaning mechanism;

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 the blowdown valve in an open state using a ball valve body;

FIG. 6 is a schematic view of a blowoff valve in a closed state using a stop valve body;

FIG. 7 is a schematic view of the blowdown valve in an open state using a stop valve body;

FIG. 8 is a schematic view of a disassembly-free Y-strainer;

FIG. 9 is a schematic cross-sectional view of a disassembly-free Y-strainer;

FIG. 10 is a schematic view of a disassembly-free Y-strainer employing an electric blow-down valve;

FIG. 11 is a schematic cross-sectional view of a non-dismantling barrel filter;

FIG. 12 is a schematic view of a disassembly-free Y-strainer with a shut-off valve;

description of the reference symbols: 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; 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: referring to fig. 1 and 4-5, the blowdown valve comprises a right-angle ball valve and a cleaning mechanism, wherein the right-angle ball valve comprises a valve body 2, a valve core sealing gasket 21 and a moving part. The moving part comprises a handle 1, a valve core connecting rod 41 and a valve core 4, one end of the valve core connecting rod 41 is connected with the handle 1 outside the valve body, the other end of the valve core connecting rod 41 is connected with the valve core 4, the valve core connecting rod 41 and the valve core 4 are coaxial with an inlet channel of the valve body 2, and the handle 1 drives the valve core 4 to rotate in the valve body 2 through the valve core connecting rod 41; the movement of the valve core 4 opens and closes the outlet passage into the valve body 2.

The cleaning mechanism comprises a brush rod 3 and a brush head 31, one end of the brush rod 3 is connected with the valve core 4 or the valve core connecting rod 41, and the other end extends to the outside of the valve body 2; the brush rod located outside the valve body 2 is provided with a brush head 31. The brush head 31 is a metal brush made of a plurality of elastic copper wires or stainless steel wires, or other nonmetal elastic fiber brushes such as nylon brushes. When the handle 1 rotates, the brush rod 3, the brush head 31 and the valve core 4 rotate synchronously. The brush bar 3 is coaxial with the valve core 4 and the valve core link 41. For example, the inner wall of a barrel-shaped container needs to be cleaned, the brush head 31 is contacted with the inner wall, and the top or the bottom of the container can be provided with a drain valve, so that the inner wall of the container is automatically cleaned when the drain is drained.

Example 2: the difference from the embodiment 1 is that, referring to fig. 2, the cleaning mechanism adopts a bent elastic brush 31 formed by combining a brush rod and a brush head, one end of a bend formed by a plurality of L-shaped steel wires is gathered together by the bent elastic brush 31 and is connected with a valve core 4 or a valve core connecting rod 41 of the valve, and the other end of the bend is dispersedly extended to the outside of the valve body 2. The other end of the elastic brush is scattered and is contacted with the inner wall of the bucket-shaped container to be cleaned.

Example 3: the difference from embodiment 1 is that, referring to fig. 3, 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. 6-7, 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 brush head 31 can rotate and reciprocate up and down;

when the valve core 4 and the valve core connecting rod 41 adopt a slipknot mode, the valve core connecting rod 41 rotates, and the valve core 4, the brush rod 3 and the brush head 31 do not rotate and only reciprocate up and down.

Example 5: the difference from the embodiment 1 is that a right-angle stop valve is adopted as the blowdown 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: with reference to figures 8-9 of the drawings,

the disassembly-free filter adopts a Y-shaped filter 5, wherein the filter 5 comprises an inlet end and an outlet end, the inlet end is provided with a sewage discharge outlet, a filter screen 51 is arranged between the inlet end and the outlet end, the filter screen adopts a barrel-shaped filter screen 51, 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 sewage draining port is provided with a sewage draining valve, the brush rod 3 and the brush head 31 are positioned in the filter screen 51, the brush head 31 is contacted with the filter screen wall 51, and the length of the brush rod 3 is close to that 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 brush head 31 to rotate on the inner wall of the filter screen 51 to wash the inner wall of the filter screen 51, so that impurities in the filter screen 51 can be thoroughly cleaned without disassembling the filter.

Example 7: the difference from embodiment 6 is that the waste valve employs an electric actuator to drive the moving part, see fig. 10.

Example 8: the difference from example 6 is that, referring to fig. 11, the disassembly-free filter employs a barrel-type filter.

Example 9: the difference from the embodiment 6 is that, referring to fig. 12, 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 (9)

1. A waste valve comprising: the valve comprises a valve body and a moving part, wherein the valve body comprises an inlet channel and an outlet channel, and the moving part comprises a valve core and a driving mechanism;

the cleaning mechanism is characterized by further comprising a cleaning mechanism connected with the moving part, and the cleaning mechanism is driven by the moving part to move in the opening or closing process of the valve.

2. The waste valve as claimed in claim 1, wherein the drive mechanism is a manual drive mechanism or an electrically controlled drive mechanism; the manual driving mechanism comprises a handle and a valve core connecting rod, and the handle is connected with the valve core through the valve core connecting rod;

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. A waste valve as claimed in claim 1, wherein the sweeping means comprises a brush bar and a brush head, the brush bar being connected to the moving part of the valve, the brush head being provided on the brush bar.

4. The waste valve as claimed in claim 1, wherein the sweeping means is provided in an inlet passage of the valve body, the inlet passage being coaxial with the brush bar.

5. The blowdown valve according to claim 1, wherein the valve body is a ball valve with a valve core rotating, or a plunger valve; or the valve body adopts a stop valve with a valve core moving repeatedly.

6. The waste valve as claimed in claim 1, wherein the cleaning mechanism comprises 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 moving part of the valve, and the other end of the curved elastic brush is distributed and extended to the outside of the valve body.

7. A waste valve as claimed in claim 3, wherein the brush head is of plate or scoop configuration.

8. A disassembly-free filter comprises a filter, wherein the filter comprises an inlet end, an outlet end and a sewage discharge outlet, a filter screen is arranged between the inlet end and the outlet end,

the sewage draining device is characterized in that the sewage draining port is provided with the sewage draining valve as claimed in any one of claims 1 to 7, a brush head of a cleaning mechanism of the sewage draining valve is in contact with a filter screen, and the brush head can be driven to move to clean the filter screen when the sewage draining valve is opened or closed.

9. The disassembly-free filter of claim 8, wherein a sealing valve is further disposed at the outlet passage of the blowoff valve.

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