CN217583358U

CN217583358U - Two-way electromagnetic valve with filter screen

Info

Publication number: CN217583358U
Application number: CN202221453629.8U
Authority: CN
Inventors: 熊颖申; 何光雄; 雷立强; 曾凯波
Original assignee: Shenzhen Cnht Ltd
Current assignee: Shenzhen Cnht Ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-14
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a two-way solenoid valve with a filter screen, which comprises a connector, an iron core, a tube seat and a coil assembly; the coupler is arranged on one side of the tube seat; the coil assembly is arranged on the other side of the tube seat; the iron core is movably arranged in the tube seat and is used for being driven by the coil assembly after being electrified and far away from or close to the coupler; a sealing rubber head is arranged at the bottom end of the iron core; the connector is provided with a groove; the coupler is also provided with an annular filter screen positioned in the groove; the inner wall of the groove is provided with a water outlet through hole and a water inlet through hole; the annular filter screen surrounds the water outlet through hole; the coil assembly comprises a copper wire plastic-coated frame and a framework; an enameled wire is arranged inside the copper wire plastic-coated part; the copper wire plastic-coated part is provided with a through hole; the framework is embedded on the inner wall of the through hole; the tube seat penetrates through the framework. The utility model has the advantages of the filter screen can be dismantled, the service life is long and the like, which the prior products do not have.

Description

Two-way electromagnetic valve with filter screen

Technical Field

The utility model relates to a solenoid valve field, more specifically the utility model relates to a take two-way solenoid valve of filter screen.

Background

The two-way electromagnetic valve is applied to industrial products such as daily cleaning equipment, bottom plate nursing equipment and the like, such as dish washing machines, sweeping robots and the like in the market; the two-way electromagnetic valve has the advantages of compact structure, sensitive response, low cost, simple control and the like;

the two-way electromagnetic valve common in the market at present has a problem of scaling in the use process, and the electromagnetic valve is sensitive to impurities. When the fluid contains certain impurities and foreign matters, the electromagnetic valve iron core is easy to be blocked or the sealing element is easy to be damaged to cause the product failure. The filter screen can be increased in the entrance point of solenoid valve or the inside of case subassembly in some solenoid valves, can improve the life of solenoid valve greatly like this, but there is the filter screen and can not dismantle the washing, and some filter screens have certain influence to the flow capacity of solenoid valve.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a take two-way solenoid valve of filter screen makes the solenoid valve have characteristics such as filtration impurity, filter screen can be dismantled, reduction fluid circulation resistance.

The utility model provides a technical scheme that its technical problem adopted is:

a two-way electromagnetic valve with a filter screen comprises a connector, an iron core, a tube seat and a coil assembly; the coupler is arranged on one side of the tube seat; the coil assembly is arranged on the other side of the tube seat; the iron core is movably arranged in the tube seat and is used for being driven by the coil assembly after being electrified and far away from or close to the coupler;

a sealing rubber head is arranged at the bottom end of the iron core; the coupler is provided with a groove; the coupler is also provided with an annular filter screen positioned in the groove; the inner wall of the groove is provided with a water outlet through hole and a water inlet through hole; the annular filter screen surrounds the water outlet through hole; the coil component comprises a copper wire plastic-coated frame and a framework; an enameled wire is arranged inside the copper wire plastic-coated part; the copper wire plastic-coated part is provided with a through hole; the framework is embedded on the inner wall of the through hole; the tube seat penetrates through the framework.

In the structure, the coupler is provided with an inlet port and an outlet port; the inlet port is communicated with the water inlet through hole; the output port is communicated with the water outlet through hole.

In the above structure, the stem is provided in a hollow state; the iron core is inserted in the middle of the tube seat; a spring is arranged at the top end of the iron core; the other end of the spring is propped against the inner wall of the top of the tube seat.

In the structure, the top and the bottom of the copper wire coated plastic are respectively provided with a first retainer and a second retainer; the first retainer and the second retainer are L-shaped; round holes are formed in the first retainer and the second retainer; a cylinder is arranged at the round hole; the first retainer and the second retainer are sleeved on the framework through a cylinder; one end of the first retainer and one end of the second retainer are provided with fixing grooves; the other ends of the first retainer and the second retainer are provided with Y-shaped buckles; the fixing groove is buckled with the buckle to connect the first retainer and the second retainer.

In the above structure, a collar is provided on the first holder; the top end of the tube seat penetrates out of the first retainer; a circle of inward concave bayonets are formed in the outer wall of the top end of the tube seat; the clamping ring is clamped at the bayonet to fix the tube seat in the coil assembly.

In the above structure, the coupler is hermetically connected with the bottom of the stem; a sealing ring is arranged at the joint of the coupler and the pipe seat; the coupler is provided with a blind hole; a self-tapping screw is arranged at the bottom of the pipe seat; the self-tapping screw penetrates through the bottom of the pipe seat; and the self-tapping screw is fixed on the blind hole.

In the structure, the size of the water outlet through hole is matched with that of the sealing rubber head.

In the structure, the bottom of the groove of the coupler is provided with a plurality of rib positions; the plurality of rib positions are uniformly distributed at the bottom of the groove in a scattering state; the annular filter screen is clamped among the plurality of rib positions.

In the structure, the copper wire is covered with plastic to be provided with the contact piece.

The beneficial effects of the utility model are that: the utility model provides a two-way electromagnetic valve with a filter screen, which comprises a connector, an iron core, a tube seat and a coil assembly; the coupler is arranged on one side of the tube seat; the coil assembly is arranged on the other side of the tube seat; the iron core is movably arranged in the tube seat and is used for being driven by the coil assembly after being electrified and far away from or close to the coupler; a sealing rubber head is arranged at the bottom end of the iron core; the coupler is provided with a groove; the coupler is also provided with an annular filter screen positioned in the groove; the inner wall of the groove is provided with a water outlet through hole and a water inlet through hole; the annular filter screen surrounds the water outlet through hole; the coil assembly comprises a copper wire plastic-coated frame and a framework; an enameled wire is arranged inside the copper wire plastic-coated part; the copper wire plastic-coated part is provided with a through hole; the framework is embedded on the inner wall of the through hole; the tube seat penetrates through the framework. The utility model realizes the effects of filtering impurities in the fluid, disassembling the filter screen and prolonging the service life, and solves the problems that the existing solenoid valve can be damaged by impurities, the filter screen can not be disassembled and cleaned, and the filter screen influences the circulation capacity of the solenoid valve; the service life of the electromagnetic valve can be greatly prolonged in the using process.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

FIG. 1 is a schematic view of the assembly of the present invention;

FIG. 2 is a structural exploded view of the present invention;

fig. 3 is a structural exploded view of the coil block of the present invention;

fig. 4 is a schematic structural diagram of the coupler according to the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

Referring to fig. 1-4, a two-way solenoid valve with a filter screen includes a coupler 11, an iron core 07, a tube seat 05 and a coil assembly 01; the coupler 11 is arranged on one side of the socket 05; the coil assembly 01 is arranged on the other side of the tube seat 05; the iron core 07 is movably arranged in the tube seat 05 and is used for being driven by the coil assembly 01 after being electrified, and is far away from or close to the coupler 11;

a sealing rubber head 08 is arranged at the bottom end of the iron core 07; a groove 23 is formed in the coupler 11; the coupler 11 is also provided with an annular filter screen 10 positioned in the groove 23; the annular filter screen 10 can increase the filtering area, effectively reduce the circulation resistance caused by filtering, and greatly improve the circulation resistance of the electromagnetic valve.

The inner wall of the groove 23 is provided with a water outlet through hole 24 and a water inlet through hole 21; the water outlet through hole 24 is positioned at the center of the groove 23; when the electromagnetic valve is in a non-working state, the sealing rubber head 08 can seal the water outlet through hole 24;

the water inlet through hole 21 is positioned at the edge of the groove 23; the annular filter screen 10 surrounds the water outlet through hole 24; after entering the grooves 23 from the water inlet through holes 21, the fluid needs to be filtered by the annular filter screen 10 and then enters the water outlet through holes 24.

The coil assembly 01 comprises a copper wire plastic-coated 27 and a framework 26; an enameled wire 28 is arranged inside the copper wire plastic-coated 27; the copper wire plastic-coated 27 is provided with a through hole; the framework 26 is embedded on the inner wall of the through hole; after the coil assembly 01 is electrified, a magnetic field is generated, and the iron core 07 moves.

The skeleton 26 is provided in the shape of a cylinder; the stem 05 passes through the skeleton 26.

An inlet port 12 and an outlet port 13 are formed on the coupler 11; the inlet port 12 is communicated with the water inlet through hole 21; the output port 13 is communicated with the water outlet through hole 24; the fluid flows from the inlet port 12 to the water inlet through hole 21 and then to the groove 23; the fluid flows from the outlet port 24 to the output port 13.

The tube seat 05 is set to be in a hollow state; the iron core 07 is inserted in the middle of the tube seat 05; a spring 06 is arranged at the top end of the iron core 07; the other end of the spring 06 abuts against the inner wall of the top of the tube seat 05; the elastic force of the spring 06 can press the iron core 07 downwards to enable the sealing rubber head 08 to seal the water outlet through hole 24; when the electromagnetic valve is electrified, the iron core 07 overcomes the elastic force of the spring 06 to move upwards, so that the sealing rubber head 08 leaves the water outlet through hole 24; when the electromagnetic valve is powered off, the spring 06 can also reset the iron core 07 through elastic force, so that the sealing rubber head 08 seals the water outlet through hole 24.

The top and the bottom of the copper wire plastic-coated 27 are respectively provided with a first retainer 14 and a second retainer 15; the first retainer 14 and the second retainer 15 are L-shaped; round holes 16 are formed in the first retainer 14 and the second retainer 15; a cylinder 18 is arranged at the round hole 16; the first retainer 14 and the second retainer 15 are sleeved on the framework 26 through the cylinder 18; one end of the first retainer 14 and one end of the second retainer 15 are provided with fixing grooves 19; the other ends of the first retainer 14 and the second retainer 15 are provided with a Y-shaped buckle 17; the fixing groove 19 is engaged with the snap 17 to connect the first holder 14 and the second holder 15.

A clamping ring 03 is arranged on the first holder 14; the top end of the tube seat 05 penetrates out of the first retainer 14; a circle of inward concave bayonets 04 are formed in the outer wall of the top end of the tube seat 05; the collar 03 is clamped at the bayonet 04 to secure the socket 05 in the coil assembly 01.

The coupler 11 is hermetically connected with the bottom of the pipe seat 05; a sealing ring 09 is arranged at the joint of the coupler 11 and the pipe seat 05; the seal ring 09 prevents fluid from seeping out of the coupling 11; the coupler 11 is provided with a blind hole 22; a self-tapping screw 20 is arranged at the bottom of the pipe seat 05; the self-tapping screw 20 penetrates through the bottom of the pipe seat 05; the tapping screw 20 is fixed on the blind hole 22; the coupler 11 is separated from the socket 05 by unscrewing the tapping screw 20.

The size of the water outlet through hole 24 is matched with that of the sealing rubber head 08 so as to seal the water outlet through hole 24.

A plurality of rib positions 25 are arranged at the bottom of the groove 23 of the coupler 11; the plurality of rib positions 25 are uniformly distributed at the bottom of the groove 23 in a scattering state; the ring screen 10 is captured between the plurality of rib locations 25 to prevent the ring screen 10 from shifting.

The copper wire plastic-coated 27 is provided with a contact piece 02, and the contact piece 02 is used for connecting a circuit.

The working principle of the two-way electromagnetic valve with the filter screen is as follows: fluid flows from the inlet port 12 through the water inlet through hole 21 and then flows into the groove 23 of the coupler 11, the fluid is filtered by the ring-shaped filter screen 10, and the fluid cannot flow out of the water outlet through hole 24 because the sealing rubber head 08 seals the water outlet through hole 24; when the electromagnetic valve is electrified, the coil assembly 01 generates a magnetic field, the iron core 07 is subjected to magnetic force, the iron core 07 overcomes the elastic force of the spring 07 to move upwards, the sealing rubber head 08 is separated from the water outlet through hole 24, and fluid flows out of the electromagnetic valve after flowing to the output port 13 from the water outlet through hole 24; when the fluid needs to stop flowing out, after the electromagnetic valve is powered off, the magnetic field of the coil assembly 01 disappears, the iron core 07 is subjected to the elastic force of the spring 06, and the iron core 07 moves downwards, so that the sealing rubber head 08 seals the water outlet through hole 24, and the fluid cannot flow out of the electromagnetic valve.

A take two-way solenoid valve of filter screen uses after a period, can unscrew self-tapping screw 20, takes off coupler 11, takes out annular filter screen 10 in the recess 23, washs or changes annular filter screen 10, can reduce the influence of annular filter screen 10 unclean flow capacity to the solenoid valve.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a take two-way solenoid valve of filter screen which characterized in that: the magnetic coupling comprises a coupler, an iron core, a tube seat and a coil assembly; the coupler is arranged on one side of the tube seat; the coil assembly is arranged on the other side of the tube seat; the iron core is movably arranged in the tube seat and is used for being driven by the coil assembly after being electrified and far away from or close to the coupler;

a sealing rubber head is arranged at the bottom end of the iron core; the coupler is provided with a groove; the coupler is also provided with an annular filter screen positioned in the groove; the inner wall of the groove is provided with a water outlet through hole and a water inlet through hole; the annular filter screen surrounds the water outlet through hole; the coil assembly comprises a copper wire plastic-coated frame and a framework; an enameled wire is arranged inside the copper wire plastic-coated part; the copper wire plastic-coated part is provided with a through hole; the framework is embedded on the inner wall of the through hole; the tube seat penetrates through the framework.

2. The two-way electromagnetic valve with the filter screen according to claim 1, characterized in that: an inlet port and an output port are formed on the coupler; the inlet port is communicated with the water inlet through hole; the output port is communicated with the water outlet through hole.

3. The two-way electromagnetic valve with the filter screen according to claim 1, characterized in that: the tube seat is arranged in a hollow state; the iron core is inserted in the middle of the tube seat; a spring is arranged at the top end of the iron core; the other end of the spring is propped against the inner wall of the top of the tube seat.

4. The two-way electromagnetic valve with the filter screen according to claim 1, is characterized in that: the top and the bottom of the copper wire plastic-coated are respectively provided with a first retainer and a second retainer; the first retainer and the second retainer are L-shaped; round holes are formed in the first retainer and the second retainer; a cylinder is arranged at the round hole; the first retainer and the second retainer are sleeved on the framework through a cylinder; one end of the first retainer and one end of the second retainer are provided with fixing grooves; the other ends of the first retainer and the second retainer are provided with Y-shaped buckles; the fixing groove is buckled with the buckle to connect the first retainer and the second retainer.

5. The two-way electromagnetic valve with the filter screen according to claim 4, characterized in that: a clamping ring is arranged on the first retainer; the top end of the tube seat penetrates out of the first retainer; a circle of inward concave bayonets are formed in the outer wall of the top end of the tube seat; the clamping ring is clamped at the bayonet to fix the tube seat in the coil assembly.

6. The two-way electromagnetic valve with the filter screen according to claim 1, is characterized in that: the connector is hermetically connected with the bottom of the pipe seat; a sealing ring is arranged at the joint of the coupler and the pipe seat; the coupler is provided with a blind hole; the bottom of the tube seat is provided with a self-tapping screw; the self-tapping screw penetrates through the bottom of the pipe seat; and the self-tapping screw is fixed on the blind hole.

7. The two-way electromagnetic valve with the filter screen according to claim 1, characterized in that: the size of the water outlet through hole is matched with that of the sealing rubber head.

8. The two-way electromagnetic valve with the filter screen according to claim 1, is characterized in that: a plurality of rib positions are arranged at the bottom of the groove of the coupler; the plurality of rib positions are uniformly distributed at the bottom of the groove in a scattering state; the annular filter screen is clamped among the plurality of rib positions.

9. The two-way electromagnetic valve with the filter screen according to claim 1, characterized in that: and the copper wire covered plastic is provided with a contact piece.