KR20190092157A - Electronic Control Valve having Dual Filter Structure - Google Patents

Abstract

The present invention relates to an electronic control valve having a dual filter structure. According to the present invention, the electronic control valve having the dual filter structure includes a valve body (100). The valve body (100) includes: a round inlet (101) connected to a water pipe and formed on one side of the valve body (100), wherein water flows into the round inlet (101); and an outlet (102) formed at the lower part on the other side and discharging the water in a vertical direction. The electronic control valve includes: a main filter (510) for preventing foreign substances from permeating, comprising a handle (510a), a net (510b), and a support frame (510c), wherein the handle (510a) and the net (510b) are formed on the inner side of the inlet (101) and the support frame (510c) encloses the periphery of the handle (510a) and the net (510b); and a reinforcing filter (520) formed in a net structure on the inner side of a part in which the main filter (510) for preventing foreign substances from permeating in the inlet (101) is installed. The reinforcing filter (520) includes multiple fixing protrusions (521) for preventing separation, which protrude from the outer circumference at fixed intervals. Therefore, the reinforcing filter (520) can be fixed to an inner wall of the inlet. Therefore, according to the present invention, the electronic control valve having the dual filter structure can effectively prevent the foreign substances from permeating into the valve by additionally having the reinforcing filter having a separation preventing protrusion in a water inlet of the valve body. In addition, the electronic control valve having the dual filter structure can prevent separation and damage when a main filter is assembled.

Description

Electronic Control Valve Having Dual Filter Structure

The present invention relates to an electronic control valve having a double filter structure, and more particularly, a foreign substance penetrates into the valve by additionally installing a reinforcement filter having a release preventing protrusion inside the water inlet of the valve body constituting the control valve. The present invention relates to an electronic control valve having a double filter structure capable of effectively preventing the breakage and breakage during assembly of the main filter.

In general, an electronic control valve using an electromagnet is used to open and close a flow path of a fluid according to an electrical signal.

The electronic control valve can open and close the opening and closing means having a plunger that is reciprocated up and down by an electromagnet in a state where it is mounted in a household appliance such as a refrigerator, a washing machine, and a water purifier. In order to prevent the inflow into the main body constituting the electronic control valve may be installed in the inlet pipe is connected to the water supply pipe to prevent the water infiltration pipe inside the inlet pipe.

1 is a view showing a foreign matter penetration prevention filter structure mounted in the inlet pipe of the electronic control valve according to the prior art.

As shown in the figure, the foreign matter penetration prevention filter 10 according to the prior art, the handle 10a and the mesh 10b and its inside in the inlet 20 disposed on one side of the main body constituting the electronic control valve It may be made of a support frame (10c) formed to wrap around.

Here, the cylindrical handle (10a) and the support frame (10c) is formed integrally by the injection molding process, it can be integrally molded by the insert injection method in which the iron mesh (10b) is injected together during their molding. .

In addition, the mesh 10b may have an arc shape in cross section, as shown in the figure.

However, the filter structure according to the related art may be easily cleaned by pulling out the filter 10 because the handle 10a is present, but the filter 10 is lost or damaged in the process of being pulled out when the filter 10 is blocked due to user's carelessness. There was a problem that can not prevent the penetration of foreign matters cause product failure.

2 is a view for explaining the opening and closing means of the electronic control valve having a filter structure according to the prior art.

As shown in the figure, the electronic control valve according to the prior art, the plunger 11 and the circumference of the plunger 11 to move up and down by the electric signal of the electromagnet to configure the opening and closing means of the control valve It may be provided with a plunger housing 12 which wraps and forms an operating path.

In this case, the electronic control valve may be arranged in the valve body 14 to the lower side of the plunger housing 12 to the flow path portion 13 for selectively contacting the plunger 11 to open and close the flow path. have.

Here, the lower outer periphery of the plunger housing 12 is screwed into the valve body 14 to prevent leakage of the flow path portion 13, the plunger housing 12 and the valve body ( 14) a packing part 15 having a vertical sealing structure may be formed between contact surfaces which are vertically contacted to give an elastic force when screwing in between and to increase a sealing force.

However, in the case of a control valve having a vertical sealing structure according to the prior art, a reaction force is generated in the packing part 15 located between the contact surfaces composed of horizontal planes when screwing together, causing twisting and consequently leaking. There was a problem.

Therefore, there is an urgent need for a practical and applicable technology that can prevent leakage from the source while providing a filter structure that can effectively prevent foreign matter from penetrating into the main body of the electronic control valve.

Utility Model Publication KR 20-1998-015509 (published 1998.06.25.)

Accordingly, the present invention has been made in order to solve the above problems, the present invention is further provided with a reinforcing filter having a departure preventing projection inside the water inlet of the valve body constituting the control valve and the peripheral edge of the reinforcing filter It is equipped with a plurality of separation prevention fixing projections on the whole surface to facilitate the assembly and disassembly and to effectively prevent foreign matter from penetrating into the valve as compared to the structure fixed to the inner wall of the inlet as a whole. It is to provide an electronic control valve having a double filter structure that can prevent the.

Electronic control valve having a side sealing structure according to an embodiment of the present invention, the water inlet 101 is formed with a circular inlet 101 is coupled to the water supply pipe to the water inlet to one side and discharge the water in the other vertical direction In the electronic control valve having a valve body 100 is formed, the foreign material penetrating formed by the handle 510a and the mesh 510b and the support frame 510c surrounding the inside of the inlet 101 Prevention main filter 510; And a reinforcement filter 520 formed in a mesh structure inside the portion where the foreign matter penetration prevention main filter 510 of the inlet 101 is located, wherein the reinforcement filter 520 protrudes around an outer edge thereof. It may be fixed to the inner wall of the inlet;

In addition, the separation preventing fixing protrusion 521, the cross-section is formed on the outer periphery of the reinforcement filter may be fixed to the inner wall of the inlet 101 of the inlet port 101 forming the control valve.

In addition, the electronic control valve having a side sealing structure according to an embodiment of the present invention, the valve body 100 is formed with the inlet 101; An electromagnet control unit (200) mounted to an upper side of the valve body (100) with an electromagnet to control the flow of water supplied into the valve body (100); A plunger 301 for performing a reciprocating movement for opening and closing the flow of water by the control of the electromagnet control unit 200 is provided therein, and the center of the electromagnet control unit 200 is located above the valve body 100. Opening and closing means 300 is arranged in a structure that is inserted through the lower portion of the valve body 100 while passing through; And sealing means 400 coupled to a lower portion of the opening and closing means 300 to prevent leakage of water supplied into the valve body 100, wherein the sealing means 400 includes the opening and closing means. A fixing part 410 which covers an upper side of the lower part of the housing constituting the outer shape of the means 300 and is fixed between the lower end of the electromagnet control unit 200 and the valve body 100; The flow path hole 421 selectively contacting the plunger 301 is formed in the center of the valve body 100 and is formed so that the upper end is located below the inner side of the housing of the opening and closing means 300. A flow path housing 420; And an accommodating space for accommodating an outer circumference of the flow path housing 420 therein, and an upper end portion between the lower outer surface of the housing forming the outer shape of the opening and closing means 300 and the inner wall of the valve body 100. The packing unit 430 is disposed; may be provided.

In addition, the packing part 430, the ring-shaped ring portion 431 is formed in the upper end, the lower end outer surface and the valve of the housing that the ring portion 431 constitutes the external shape of the opening and closing means 300 It may be formed of an elastic material to have a repulsive force between the inner wall of the main body 100.

In addition, the ring portion 431 has a circular cross section and a diameter is formed to be relatively longer than the length between the housing bottom outer surface of the opening and closing means 300 and the inner wall of the valve body 100 to increase the repulsive force Can be.

In addition, the fixing part 410, one or more fixing protrusions 411 for engaging with the fixing groove 222a formed on the lower edge of the electromagnet control unit 200 is formed around the upper edge, the lower edge circumference is The valve body 100 may be fixedly coupled to the corresponding point by rotational welding.

The electromagnet control unit 200 may include a cylindrical electromagnet housing 210 having a terminal 210a formed at one side thereof, a through hole 210b formed at the center thereof, and an electromagnet provided therein; And a plurality of fixing brackets 221 and 222 coupled to upper and lower sides of the electromagnet housing 210 to fix the electromagnet housing 210 to the fixing unit 410.

As described above, the present invention is further provided with a reinforcement filter having a separation prevention protrusion inside the water inlet of the valve body constituting the control valve and a plurality of separation prevention fixing projections around the outer edge of the reinforcement filter Compared to the structure fixed to the inner wall of the inlet as a whole, it has a double filter structure that facilitates assembly and disassembly, effectively prevents foreign matter from penetrating into the valve, and prevents separation and breakage during assembly of the main filter. There is an effect to provide an electronic control valve.

In addition, the present invention, in combination with the lower portion of the opening and closing means for reciprocating vertically by the electromagnet, the flow path by selectively contacting the plunger constituting the opening and closing means to the sealing means for preventing the leakage of water supplied to the inside of the valve body There is an effect of providing an electronic control valve that can prevent the leakage of the source by applying a side sealing structure for sealing the bottom outer surface of the opening and closing means to accommodate the flow path housing for opening and closing the opening.

1 is a view showing the foreign matter penetration prevention filter structure mounted in the inlet pipe of the electronic control valve according to the prior art
2 is a view for explaining a schematic configuration of an electronic control valve having a filter structure according to the prior art.
3 to 4 are views for schematically showing the outside of the electronic control valve according to an embodiment of the present invention.
5 is an exploded view for explaining the configuration of the electronic control valve according to an embodiment of the present invention.
6 is a cross-sectional view for explaining in detail the configuration of the electronic control valve shown in FIG.
7 is a view for explaining a double filter structure applied to the inlet of the electronic control valve having a double filter structure according to an embodiment of the present invention.
8 is a view showing another embodiment of the separation preventing projection of the reinforcement filter shown in FIG.

Description of the present invention is only an embodiment for structural or functional description, the scope of the present invention should not be construed as limited by the embodiments described in the text. That is, since the embodiments may be variously modified and may have various forms, the scope of the present invention should be understood to include equivalents capable of realizing the technical idea.

On the other hand, the meaning of the terms described in the present invention will be understood as follows.

Terms such as "first" and "second" are intended to distinguish one component from another component, and the scope of rights should not be limited by these terms. For example, the first component may be named a second component, and similarly, the second component may also be named a first component.

When a component is referred to as being "connected" to another component, it should be understood that there may be other components in between, although it may be directly connected to the other component. On the other hand, when a component is referred to as being "directly connected" to another component, it should be understood that there is no other component in between. On the other hand, other expressions describing the relationship between the components, such as "between" and "immediately between" or "neighboring to" and "directly neighboring to", should be interpreted as well.

Singular expressions should be understood to include plural expressions unless the context clearly indicates otherwise, and terms such as "comprise" or "have" refer to a feature, number, step, operation, component, part, or feature thereof. It is to be understood that the combination is intended to be present and does not exclude in advance the possibility of the presence or addition of one or more other features or numbers, steps, operations, components, parts or combinations thereof.

In each step, an identification code (e.g., a, b, c, etc.) is used for convenience of description, and the identification code does not describe the order of the steps, and each step clearly indicates a specific order in context. Unless stated otherwise, they may occur out of the order noted. That is, each step may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. Generally, the terms defined in the dictionary used are to be interpreted as being consistent with the meanings in the context of the related art, and should not be interpreted as having ideal or excessively formal meanings unless clearly defined in the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

3 to 4 are views for schematically showing the outside of the electronic control valve according to an embodiment of the present invention.

As shown in the figure, the electronic control valve according to an embodiment of the present invention may include a valve body 100 for supplying and discharging water and an electromagnet control unit 200 for controlling the flow of water.

Here, the valve body 100 may be formed with a circular inlet 101, which is coupled to the water supply pipe on one side, into which water is introduced, and a discharge port 102 for discharging the water in the other lower vertical direction.

In addition, the electromagnet control unit 200 may be mounted to the upper side of the valve body 100 with an electromagnet to control the flow of water supplied into the valve body 100.

At this time, the electromagnet control unit 200, as shown in the figure, is arranged in a plurality of consecutive to the upper side of the valve body 100 to prevent leakage in advance by using any other, even if any one of the product defects Can be.

In the embodiment of the present invention, the valve body 100, when the water flows through the inlet 101 to form a receiving space for receiving water, the electromagnet control unit 200, the valve body 100 May selectively supply water to household appliances via water).

On the other hand, the electronic control valve having a side sealing structure according to an embodiment of the present invention, although not shown in the drawings, in combination with the inlet 101 to accommodate the water in the water supply pipe and adjust the water supply pressure (not shown) May include).

In this case, the control unit may accommodate the water supplied by the water supply pipe to adjust the water pressure, and may be equipped with a filter inside the inlet 101 to filter out foreign substances contained in the water. .

In addition, with reference to the drawings to be described later, in the embodiment of the present invention, the filter is implemented in a double filter structure including the main filter 510 and the reinforcement filter 520, the inlet 101 and the valve body 100 It may include an inner cap 600 to adjust the water pressure of the water to the inside of the connection pipe connecting the welding process to cover the weld.

5 to 6 are exploded views and cross-sectional views for explaining in detail the configuration of the electronic control valve according to an embodiment of the present invention.

As shown in the figure, the electronic control valve according to an embodiment of the present invention, may be provided with a valve body 100, an electromagnet control unit 200, opening and closing means 300, and the sealing means 400.

Here, the valve body 100 may be formed with an inlet 101 through which water is introduced and an outlet 102 for discharging the water, and as will be described later, at a position corresponding to the electronic controller 200. The main body bracket 104 for forming the receiving pipe 103 for receiving and seating the packing portion 430 constituting the sealing means 400 to the upper side and fixing the valve body 100 to home appliances (inlet) 101) may be formed in the vicinity of the site.

In addition, the discharge port 102 may be provided with a flow rate control pad 105 and the flow rate control supporter 106 for adjusting the flow rate of the water passing through the opening and closing means 300 and the sealing means 400. In this case, a water hole having a predetermined size is formed on the side of the flow control supporter 106 so that water of a flow rate required by the user may be supplied through the outlet 102.

In addition, the electromagnet control unit 200, as shown in the drawing, may be provided with a plurality of fixing brackets 220 for fixing the electromagnet housing 210 and the electromagnet housing 210.

Here, the electromagnet housing 210, the terminal 210a is formed on one side, the through hole 210b is formed in the center may be formed in a cylindrical shape provided with an electromagnet therein.

In addition, the plurality of fixing brackets 220 are respectively coupled to the upper and lower sides of the electromagnet housing 210 to fix the electromagnet housing 210 to the fixing part 410 constituting the sealing means 400. Can be.

In addition, in the embodiment of the present invention, the opening and closing means 300, as shown in the drawing, the plunger for performing a reciprocating operation for opening and closing the flow of water by the control of the electromagnet control unit 200 ( 301 may be provided therein, and a lower portion thereof may be inserted into the valve body 100 while penetrating the center of the electromagnet control unit 200 from the upper side of the valve body 100.

That is, the opening and closing means 300, the housing for guiding the reciprocating movement while surrounding the circumference of the plunger 301 and the plunger spring 302 in the through hole (210b) formed in the center of the electromagnet control unit 200 The body is mounted and only the bottom portion may be inserted into the valve body 100. In this case, the plunger spring 302 may be mounted on an operation path of the plunger 301 to provide a return force.

As described above, in the embodiment of the present invention, the opening and closing means 300 is mounted at an upper point of the corresponding valve body 100 of the electronic control unit 200 to lift the water according to the lifting operation of the plunger 301. The flow passage can be selectively opened and closed, and in this case, the electronic control unit 200 is formed in plural, but in the case of being formed singly or at the end of the plurality, the outlet 102 and the opening and closing means 300 of the valve body 100 are opened. The flow passage of the water passing through may be formed to communicate vertically.

In addition, the opening and closing means 300 may be formed integrally with the electromagnet control unit 200 and may be separately mounted, but in the embodiment of the present invention, as shown in the drawing, the electromagnet control unit 200 and the Can be mounted separately.

On the other hand, in the embodiment of the present invention, the sealing means 400, in combination with the lower portion of the opening and closing means 300 can prevent the leakage of water supplied to the interior of the valve body 100.

As shown in the figure, the sealing means 400 may include a fixing part 410, a flow path housing 420, and a packing part 430.

In more detail, the fixing part 410 may cover the upper side of the lower part of the housing constituting the external shape of the opening and closing means 300 and may be fixed between the lower end of the electromagnet control unit 200 and the valve body 100. have.

Here, the fixing part 410, one or more fixing protrusions 411 for engaging with the fixing groove 222a formed on the lower edge of the electromagnet control unit 200 is formed around the upper edge, the lower edge circumference is The valve body 100 may be fixedly coupled to the corresponding point by rotational welding.

In addition, the flow path housing 420 is accommodated in the valve body 100 with a flow path hole 421 selectively contacting the plunger 301 at the center thereof, and an upper end thereof is the opening / closing means 300. It may be formed to be located on the lower inner side constituting the housing of).

In addition, the packing part 430 has an accommodation space for accommodating the outer periphery of the flow path housing 420 therein, and an upper end portion of the lower outer surface of the housing constituting the outer shape of the opening and closing means 300 and the It may be disposed between the inner wall of the valve body 100.

In this case, a central hole through which a lower portion of the flow path housing 420 passes may be formed at the center of the packing part 430, and may be formed to correspond to a shape for seating an outer upper portion of the flow path housing 420 as a whole. Can be.

In addition, in the embodiment of the present invention, the packing part 430, a ring-shaped ring portion 431 is formed in the upper end, the ring portion 431 housing constituting the outer shape of the opening and closing means 300 It has a side sealing structure between the lower outer surface and the inner wall of the valve body 100 may be formed of an elastic material to have a repulsive force.

Here, the ring portion 431 has a circular cross section and a diameter is formed relatively longer than the length between the outer bottom surface of the housing of the opening and closing means 300 and the inner wall of the valve body 100 can increase the repulsive force have.

As such, in the electronic control valve according to the embodiment of the present invention, the fixing part 410 of the sealing means 400 described above is separately configured so that the lower portion of the opening and closing means 300 is opened from the upper side of the valve body 100. It is fixed to the main body 100, the packing portion 430 constituting the sealing means 400 forms a ring-shaped ring portion 431 at the upper end, the ring portion 431 of the opening and closing means 300 By using the side sealing structure between the lower outer surface of the housing constituting the outer shape and the inner wall of the valve body 100 can be prevented from twisting due to the reaction force.

Meanwhile, in the embodiment of the present invention, as described above, the filter is implemented in a double filter structure including the main filter 510 and the reinforcement filter 520, which will be described with reference to FIG. .

7 is a view for explaining a double filter structure applied to the inlet of the electronic control valve having a double filter structure according to an embodiment of the present invention.

As shown in the figure, the electronic control valve having a double filter structure according to an embodiment of the present invention, the foreign material penetration prevention main filter 510 and the reinforcement filter 520 formed in the inner side of the main filter 510. It can be provided further.

In more detail, the foreign material penetration prevention main filter 510 may be formed as a support frame 510c surrounding the handle 510a and the mesh 510b and its surroundings inside the inlet 101.

In addition, the reinforcement filter 520 may be formed in a mesh structure inside the portion where the foreign matter penetration prevention main filter 510 of the inlet 101, the reinforcement filter 520 is the inlet 101 Elastic deformation may be possible when assembled to the inside of the).

In addition, the reinforcing filter 520 may include a plurality of separation preventing fixing protrusions 521 protrudingly formed at regular intervals around the outer edge thereof, and then may be firmly fixed to the inner wall of the inlet 101. .

Here, the separation preventing fixing projection 521 is formed in a rectangular cross section on the outer periphery of the reinforcement filter may be fixed to the inner wall of the inlet 101 constituting the control valve by interference fit method, When the fixing groove is formed in the corresponding contact portion of the inlet 101 may be formed to enable elastic deformation.

As described above, in the embodiment of the present invention, the separation preventing fixing protrusion 521 may be formed to protrude in various shapes including a semicircular shape as well as a rectangular shape.

8 is a view showing a side configuration and a cross-sectional view to show another embodiment of the separation preventing projection of the reinforcement filter shown in FIG.

As shown in the drawings, in another embodiment of the present invention, the separation preventing fixing protrusion 521 is formed to protrude as in the above-described embodiment as well as the inside of the inlet 101 constituting the control valve. The outer peripheral edge portion of the reinforcement filter 520 may be formed in a structure that protrudes and bends at a predetermined angle to have an elastic force to the outside so as to have a repulsive force on the side wall.

As described above, the present invention is further equipped with a reinforcement filter having a separation prevention projections inside the water inlet of the valve body constituting the control valve and a plurality of separation prevention fixing projections around the outer edge of the reinforcement filter, the entire surface Compared to the structure fixed to the inner wall of the inlet, it is easy to assemble and disassemble and effectively prevent foreign matter from penetrating into the valve, and also has a double filter structure that prevents the separation and breakage during assembly of the main filter. It has the effect of providing a valve.

In addition, the present invention, in combination with the lower portion of the opening and closing means for reciprocating vertically by the electromagnet, the flow path by selectively contacting the plunger constituting the opening and closing means to the sealing means for preventing the leakage of water supplied to the inside of the valve body There is an effect of providing an electronic control valve that can prevent the leakage of the source by applying a side sealing structure for sealing the bottom outer surface of the opening and closing means to accommodate the flow path housing for opening and closing the opening.

The present invention has been described in detail so far, but the embodiments mentioned in the process are only illustrative and are not intended to be limiting, and the present invention is provided by the following claims and the technical spirit and field of the present invention. Within the scope not departing from the scope of the present invention, changes in the components to the extent that they can be dealt with evenly will fall within the scope of the present invention.

100: valve body
101: inlet
102 outlet
103: receiving pipe
104: body bracket
105: flow control pad
106: flow control supporter
200: electromagnet control unit
210: Electromagnet Housing
210a: terminal
210b: through hole
220,221,222: fixing bracket
222a: fixing groove
221b, 222b: Through hole insert
300: opening and closing means
301: Plunger
302: Plunger Spring
400: sealing means
410: fixed part
411: fixed protrusion
420: Euro housing
421 Euro Hall
430: packing
431 ring portion
510: main filter
510a: handle
510b: netting
510c: support frame
520: reinforcement filter
521: Fixed protrusion for departure prevention
600: inner cap

Claims (7)

In the electronic control valve having a valve body 100 is formed in one side is coupled to the water supply pipe is a circular inlet 101 for introducing water and the outlet 102 for discharging the water in the other vertical direction ,
A foreign material penetration prevention main filter 510 formed of a handle 510a, a mesh 510b, and a support frame 510c surrounding the inlet 101; And
And a reinforcement filter 520 formed in a mesh structure inside a portion where the foreign matter penetration prevention main filter 510 of the inlet 101 is located.
The reinforcement filter 520,
And a plurality of separation preventing fixing protrusions 521 protruding around the outer edge of the electronic control valve having a double filter structure, characterized in that it is fixed to the inner wall of the inlet.
The method of claim 1, wherein the separation preventing fixing projections 521,
An electronic control valve having a double filter structure, characterized in that the cross section is formed in a quadrangular shape on the outer circumference of the reinforcement filter and fixed to the inner wall of the inlet port 101 constituting the control valve by a force fitting method.
The method according to claim 2,
A valve body 100 in which the inlet 101 is formed;
An electromagnet control unit (200) mounted to an upper side of the valve body (100) with an electromagnet to control the flow of water supplied into the valve body (100);
A plunger 301 for performing a reciprocating movement for opening and closing the flow of water by the control of the electromagnet control unit 200 is provided therein, and the center of the electromagnet control unit 200 is located above the valve body 100. Opening and closing means 300 is arranged in a structure that is inserted through the lower portion of the valve body 100 while passing through; And
And sealing means 400 coupled to a lower portion of the opening and closing means 300 to prevent leakage of water supplied to the inside of the valve body 100.
The sealing means 400,
A fixing part 410 which covers an upper side of a lower part of the housing constituting the external shape of the opening and closing means 300 and is fixed between the lower end of the electromagnet control unit 200 and the valve body 100;
The flow path hole 421 selectively contacting the plunger 301 is formed in the center of the valve body 100 and is formed so that the upper end is located below the inner side of the housing of the opening and closing means 300. A flow path housing 420; And
It has an accommodating space for accommodating the outer periphery of the flow path housing 420 and is disposed between the bottom outer surface of the housing and the inner wall of the valve body 100 whose upper end constitutes the outer shape of the opening and closing means 300. An electronic control valve having a double filter structure characterized in that it comprises;
The method of claim 3, wherein the packing unit 430,
Ring-shaped ring portion 431 is formed at the upper end,
Double ring structure characterized in that the ring portion 431 is formed of an elastic material to have a repulsive force between the lower outer surface of the housing constituting the opening and closing means 300 and the inner wall of the valve body 100 Electronic control valve
The method of claim 4, wherein the ring portion 431,
It has a circular cross-section and has a double filter structure characterized in that the diameter is formed relatively longer than the length between the housing bottom outer surface of the opening and closing means 300 and the inner wall of the valve body 100 can increase the repulsive force Electronic control valve
The method of claim 3, wherein the fixing part 410,
At least one fixing protrusion 411 is formed around the upper edge to be coupled to the fixing groove 222a formed at the lower edge of the electromagnet control unit 200.
Electronic control valve having a double filter structure characterized in that the lower edge circumference is fixedly coupled to the corresponding point of the valve body 100 in a rotational fusion method
The method of claim 6, wherein the electromagnet control unit 200,
A cylindrical electromagnet housing 210 having a terminal 210a formed at one side thereof, a through hole 210b formed at a center thereof, and an electromagnet provided therein; And
A plurality of fixing brackets 221 and 222 coupled to upper and lower sides of the electromagnet housing 210 to fix the electromagnet housing 210 to the fixing part 410; Electronic control valve

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