CN108843843B

CN108843843B - Electromagnetic valve

Info

Publication number: CN108843843B
Application number: CN201810773498.3A
Authority: CN
Inventors: 杨能; 杨尧炎; 梁柏松; 陈�峰; 邬铭铭
Original assignee: Zhejiang Chunhui Intelligent Control Co Ltd
Current assignee: Zhejiang Chunhui Intelligent Control Co Ltd
Priority date: 2018-07-14
Filing date: 2018-07-14
Publication date: 2020-04-10
Anticipated expiration: 2038-07-14
Also published as: CN108843843A

Abstract

The invention discloses an electromagnetic valve which comprises a shell, an inlet arranged on one side of the shell, a first outlet, a second outlet and a third outlet which are arranged on the other side of the shell, wherein the inlet is communicated with the first outlet, the inlet is communicated with the second outlet, and the inlet is communicated with the third outlet through pipelines; a first sealing block is arranged at the first outlet, a second sealing block is arranged at the second outlet, a third sealing block is arranged at the third outlet, a first control assembly for controlling the second sealing block and the third sealing block to move is arranged in the shell, a first reset assembly is arranged on the third sealing block, and first supporting assemblies are arranged on two sides of the first reset assembly; a second reset assembly is arranged on the second sealing block, and second supporting assemblies are arranged on two sides of the second reset assembly; through the effect of first control assembly, can control second sealing block and third sealing block and open simultaneously to the demand of adaptation special technology.

Description

Electromagnetic valve

Technical Field

The invention belongs to the technical field of electromagnetic valves, and particularly relates to an electromagnetic valve.

Background

A solenoid valve is a known type of electronically operated valve. Solenoid valves are commonly used to control the flow of fluids or gases. The solenoid valve is configured to be normally open or normally closed, depending on the preferred valve position. A solenoid valve is operated by opening or closing an orifice in the valve housing to allow or prevent fluid or gas flow through the valve. A magnetic coil provided with electrical energy moves a slidable valve member that interacts directly or indirectly with the valve element to open or close the valve. The existing electromagnetic valve is inconvenient to open all outlets simultaneously when in work, and the requirements of some special processes cannot be met; the valve cannot be quickly reset after the coil is powered off to seal the outlet; the valve is not stable enough to move under the effect of the magnetic force of the electrified coil.

Disclosure of Invention

The invention provides a solenoid valve which can open all outlets simultaneously in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a solenoid valve comprises a shell, an inlet arranged on one side of the shell, a first outlet, a second outlet and a third outlet which are arranged on the other side of the shell, wherein the inlet is communicated with the first outlet, the inlet is communicated with the second outlet, and the inlet is communicated with the third outlet through pipelines; a first sealing block is arranged at the first outlet, a second sealing block is arranged at the second outlet, a third sealing block is arranged at the third outlet, a first control assembly for controlling the second sealing block and the third sealing block to move is arranged in the shell, a first reset assembly is arranged on the third sealing block, and first supporting assemblies are arranged on two sides of the first reset assembly; a second reset assembly is arranged on the second sealing block, and second supporting assemblies are arranged on two sides of the second reset assembly; the second sealing block and the third sealing block can be controlled to be opened simultaneously under the action of the first control assembly, so that the requirements of special processes are met; through the effect of reset assembly and supporting component, make the sealed piece of second and the sealed piece of third can more stable remove, make sealed piece better reset under reset assembly's effect and seal the export.

Preferably, the second outlet and the third outlet are respectively provided with a stop block, the top surface of the second sealing block is provided with a first sealing gasket, and the top surface of the third sealing block is provided with a second sealing gasket; through the cooperation of sealed pad and dog, increase sealed the sealed effect of filling up to the export, make sealed pad play good sealed effect to the export.

Preferably, the first control assembly comprises a first equipment box arranged in the pipeline, a baffle is arranged in the first equipment box, the baffle divides the first equipment box into a left part and a right part, a first electromagnetic assembly is arranged in the first equipment box on the left side, and a second electromagnetic assembly is arranged in the first equipment box on the right side; the first electromagnetic assembly and the second electromagnetic assembly are separated through the arrangement of the baffle plate, so that the first electromagnetic assembly and the second electromagnetic assembly work independently and do not influence each other; the first electromagnetic assembly and the second electromagnetic assembly are connected in parallel, the second electromagnetic assembly can work simultaneously when the first electromagnetic assembly works, and the second outlet and the third outlet are opened simultaneously; when the first electromagnetic assembly works, the second electromagnetic assembly can not work, and one of the outlets is independently opened to enable fluid to circulate, so that the practicability of the electromagnetic valve is improved.

Preferably, a first push block is arranged at the top of the second sealing block, a first connecting block is fixedly connected to the first push block, a first magnetic block is fixedly connected to the first connecting block, and the first magnetic block is arranged above the second electromagnetic assembly; a second push block is arranged at the top of the third sealing block and fixedly connected with a second connecting block, and a second magnetic block is fixedly connected with the second connecting block and arranged above the first electromagnetic assembly; when the electromagnetic assembly is electrified to generate magnetism, the electromagnetic assembly interacts with the magnetic block to push the magnetic block to drive the sealing block, and the outlet is opened to enable the fluid to flow out; through the interconnect of ejector pad and magnetic path, make the magnetic path can be more stable promotion sealing block when receiving electromagnetic component magnetic force effect, make sealing block open the export, be convenient for the fluid circulation.

Preferably, the first reset assembly comprises a first reset spring fixedly connected to the third sealing block and a protective sleeve assembly sleeved on the first reset spring; the first return spring is protected by the protective sleeve assembly, the first return spring is separated from liquid, the spring is prevented from being rusted and damaged due to long-term contact with water, and the service life of the spring is prolonged; compared with the magnetic force action of the magnet for resetting, the spring has a certain elastic coefficient, the elastic coefficient is unchanged after the spring compresses one end of the spring for a certain distance, the force required by the compression spring is a fixed value, and the spring is more easily compressed through the electromagnetic assembly.

Preferably, the protective sleeve component comprises an upper cover shell, a telescopic cover shell connected with the upper cover shell and a lower cover shell connected with the other end of the telescopic cover shell, wherein the side wall of the upper cover shell is provided with an external thread, and the third sealing block is provided with a thread groove matched with the external thread; after the first reset spring is fixedly connected to the sealing block, the upper cover shell is in connection fit with the sealing block through threads, the protective sleeve assembly is installed on the outer side of the first reset spring to protect the first reset spring, and the installation process of the protective sleeve assembly and the sealing block is simplified through the matching of the external threads and the thread grooves, so that the protective sleeve assembly is easier to assemble; through the setting of flexible housing, make the protective sheath subassembly not influence first reset spring's deformation when playing the guard action to first reset spring, make sealed piece change under first reset spring's effect and reset.

Preferably, the first support assembly comprises a support base arranged on the inner wall of the pipeline and a movable rod fixedly connected to the third sealing block, a first movable cavity is arranged in the support base, a support spring is arranged in the first movable cavity, and the movable rod is arranged in the first movable cavity; the supporting component has a limiting effect on the sealing block, and the sealing block vertically performs lifting motion under the action of the supporting component, so that the stability of opening the sealing block is improved; make sealed piece accomplish reset work through supporting spring cooperation reset spring, reduce reset spring's burden, make sealed piece and baffle form good sealed cooperation when the electromagnetism subassembly does not switch on.

Preferably, the baffle is made of an insulating material, a cavity is formed in the baffle, and a plurality of iron wire rings are wound on the inner wall of the cavity; set up a plurality of iron wire circles in that the baffle is inside, absorb the magnetic force that first electromagnetic component and second electromagnetic component produced through the iron wire circle, avoid first electromagnetic component and second electromagnetic component to influence each other when working simultaneously, reduce the interference of first electromagnetic component to the second electromagnetic component, promote the stability of first control assembly.

Preferably, a sealing plate matched with the first sealing block is arranged on the inner wall of the pipeline, a sealing ring plate is arranged on the sealing plate, a second movable cavity is arranged above the first sealing block, and a second return spring is arranged in the second movable cavity; a second control assembly is arranged above the second movable cavity; the sealing effect of the first sealing block on the first outlet is increased through the matching of the first sealing block and the sealing ring plate; the second control assembly controls the opening and closing of the first sealing block, and the first sealing block can be opened through the second control assembly, so that fluid passes through the first outlet; the first control component and the second control component work independently, one or two of the outlets can be opened independently or all the outlets can be opened simultaneously under the action of the first control component and the second control component, the requirements of special processes can be met, and the application range of the electromagnetic valve is widened.

Preferably, a second equipment box is arranged at the top of the shell, and the second control assembly comprises a third electromagnetic assembly arranged in the equipment box and a third magnetic block arranged in the first sealing block; through the cooperation of electromagnetic component and third magnetic path, the cooperation state of steerable first seal piece and seal ring board, the convenient purpose of playing and closing and opening first export.

The invention has the following advantages: the second sealing block and the third sealing block can be controlled to be opened simultaneously under the action of the first control assembly, so that the requirements of special processes are met; through the effect of reset assembly and supporting component, make the sealed piece of second and the sealed piece of third can more stable remove, make sealed piece better reset under reset assembly's effect and seal the export.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is an enlarged view of fig. 1 at a.

Fig. 3 is a schematic structural diagram of a first reset assembly in embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of a first support assembly in embodiment 1 of the present invention.

Fig. 5 is a schematic structural view of a baffle plate in embodiment 1 of the present invention.

Fig. 6 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 7 is an enlarged view of fig. 6 at B.

Detailed Description

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

Example 1:

as shown in fig. 1-5, a solenoid valve includes a housing 1, an inlet 11 disposed on one side of the housing 1, and a first outlet 12, a second outlet 13, and a third outlet 14 disposed on the other side of the housing 1, where the inlet 11 is communicated with the first outlet 12, the inlet 11 is communicated with the second outlet 13, and the inlet 11 is communicated with the third outlet 14 through a pipe 16; a first sealing block 34 is arranged at the first outlet 12, a second sealing block 27 is arranged at the second outlet 13, a third sealing block 26 is arranged at the third outlet 14, a first control assembly for controlling the second sealing block 27 and the third sealing block 26 to move is arranged in the shell 1, a first resetting assembly 210 is arranged on the third sealing block 26, and first supporting assemblies 29 are arranged on two sides of the first resetting assembly 210; a second reset component is arranged on the second sealing block 27, and second supporting components are arranged on two sides of the second reset component; the first reset assembly and the second reset assembly have the same structure, and the first support assembly and the second support assembly have the same structure; one of the second outlet or the third outlet can be controlled to be opened under the action of the first control assembly, and the two outlets can also be controlled to be opened simultaneously, so that the requirements of different processes are met, and the application range of the electromagnetic valve is expanded; the sealing block can be quickly reset after being opened through the resetting component, so that the outlet of the electromagnetic valve is in a normally closed state, and the circulation of fluid in the electromagnetic valve is blocked; the effect through supporting component makes the sealed piece can be steady remove under first control assembly's effect, plays the effect of opening and closing to the export, avoids the unstable work efficiency who influences the solenoid valve of sealed piece motion.

A stop block 28 is respectively arranged at the second outlet 13 and the third outlet 14, a first sealing gasket 274 is arranged on the top surface of the second sealing block 27, and a second sealing gasket 264 is arranged on the top surface of the third sealing block 26; the stop block 28 is fixedly connected to the inner wall of the pipeline 16, and the stop block 28 is of an annular structure; the first sealing gasket and the second sealing gasket are made of elastic materials, when the first control assembly is not electrified, the first sealing block and the second sealing block are in contact with the stop block under the action of the supporting assembly, and the first sealing gasket and the second sealing gasket deform to increase the sealing effect of the sealing blocks and have a good sealing effect on the outlet; play limiting displacement to sealed piece through the dog, avoid sealed piece excessively to extend under supporting component's effect and take place the contact with first control assembly, influence first control assembly's normal work.

The first control assembly comprises a first equipment box 2 arranged in the pipeline 16, a baffle 21 is arranged in the middle of the first equipment box 2, the baffle 21 divides the first equipment box 2 into a left part and a right part, a first electromagnetic assembly is arranged in the first equipment box on the left side, and a second electromagnetic assembly is arranged in the first equipment box on the right side; the first electromagnetic assembly comprises a first iron core 24 and a first coil 25 wound on the first iron core; the second electromagnetic assembly comprises a second iron core 22 and a second coil 23 wound on the second iron core, the first coil and the second coil are connected in parallel, and a power supply can simultaneously supply power to the two coils or independently supply power to one of the two coils; the first coil and the second coil are arranged in parallel, so that the first control assembly can control the second outlet and the third outlet to be simultaneously opened or open a single outlet so as to adapt to the requirements of different processes; divide into two parts through the baffle with first equipment box, make first electromagnetic component and second electromagnetic component work each other noninterference alone, promote the stability of first electromagnetic component and second electromagnetic component work.

A first push block 271 is arranged at the top of the second sealing block 27, a first connecting block 272 is fixedly connected to the first push block 271, a first magnetic block 273 is fixedly connected to the first connecting block 272, and the first magnetic block 273 is arranged above the second electromagnetic component; a second push block 261 is arranged at the top of the third sealing block 26, a second connecting block 262 is fixedly connected to the second push block 261, a second magnetic block 263 is fixedly connected to the second connecting block 262, and the second magnetic block 263 is arranged above the first electromagnetic assembly; when the second outlet needs to be opened, the power supply is used for electrifying the second coil, so that the second electromagnetic assembly generates magnetic force, the magnetic force generated by the second electromagnetic assembly is repellent to the magnetic force of the first magnetic block, the first magnetic block pushes the first push block under the action of the magnetic force of the second electromagnetic assembly, the second seal block is matched with the baffle plate separately, the second seal block loses the sealing effect on the second outlet, and the second outlet is opened to enable fluid to circulate; the third outlet opening principle is the same as the second outlet opening principle.

The baffle 21 is made of an insulating material, a cavity 211 is formed in the baffle 21, and a plurality of iron wire rings 212 are wound on the inner wall of the cavity 211; the plurality of wire rings are arranged in the baffle, and magnetic force generated by the first electromagnetic assembly and the second electromagnetic assembly is absorbed through the wire rings, so that the first electromagnetic assembly and the second electromagnetic assembly are prevented from being influenced when working simultaneously, the interference of the first electromagnetic assembly on the second electromagnetic assembly is reduced, and the stability of the first control assembly is improved; the baffle may be made of a ceramic material to reduce interaction between the first and second electromagnetic assemblies.

The first return assembly 210 includes a first return spring 2104 fixed on the third sealing block 26 and a protective sleeve assembly sleeved on the first return spring 2104; the top end of the first return spring is welded on the third sealing block, the protective sleeve assembly plays a role in protecting the first return spring, the first return spring is separated from liquid, the spring is prevented from being rusted and damaged due to long-term contact with water, and the service life of the spring is prolonged; compared with the magnetic force action of the magnet for resetting, the spring has a certain elastic coefficient, the elastic coefficient is unchanged after the spring compresses one end of the spring for a certain distance, the force required by the compression spring is a fixed value, and the spring is more easily compressed through the electromagnetic assembly.

The protective sleeve component comprises an upper cover shell 2101, a telescopic cover shell 2102 connected with the upper cover shell 2101 and a lower cover shell 2103 connected with the other end of the telescopic cover shell 2102, wherein the telescopic cover shell is made of synthetic resin, and a plurality of folds are arranged on the telescopic cover shell and used for the telescopic cover shell to do telescopic motion; an external thread 21011 is arranged on the side wall of the upper housing 2101, and a thread groove matched with the external thread 21011 is arranged on the third sealing block 26; after the first return spring is welded on the third sealing block, the external threads on the upper cover shell are aligned to the thread grooves on the third sealing block for assembly, and the protective sleeve assembly and the third sealing block are fixedly matched through the matching of the threads, so that the mounting difficulty of the protective sleeve assembly is reduced, and the protective sleeve assembly is convenient to mount quickly; when the sealing block moves downwards under the action of the control assembly and is disengaged from the baffle, the lower cover shell is contacted with the inner wall of the pipeline, and the first return spring is stressed to contract under the action of the first control assembly, so that the second outlet is opened; when first control assembly no longer switched on, sealed piece resets under first reset spring's elasticity effect, makes the sealed piece of second paste tight dog again, forms sealed effect to the second export.

The first support assembly 29 comprises a support base 291 arranged on the inner wall of the pipe 16 and a movable rod 292 fixedly connected to the third sealing block 26, a first movable cavity 2911 is arranged in the support base 291, and the movable rod 292 is arranged in the first movable cavity 2911; the movable rod can move along the inner wall of the first movable cavity, and through the matching of the movable rod and the first movable cavity, the motion trail of the sealing block is limited, so that the sealing block can only move along the vertical direction, the sealing block is prevented from moving to deviate, a gap is formed between the sealing block and the stop block, and the sealing effect of the outlet is influenced.

The connection mode of the second reset assembly and the second sealing block is the same as that of the first reset assembly and the third sealing block; the connection mode of the second support component and the second sealing block is the same as that of the first support component and the third sealing block; the second control assembly drives the second seal block in the same manner as the third seal block.

A sealing plate 35 matched with the first sealing block 34 is arranged on the inner wall of the pipeline 16, the first sealing block is made of elastic materials, a sealing ring plate 351 is arranged on the sealing plate 35 and is arranged at the edge of the sealing plate, a circular groove is formed on the sealing plate by the sealing ring plate, and the first sealing block is arranged in the circular groove; a second movable cavity 33 is arranged above the first sealing block 34, and a second return spring 331 is arranged in the second movable cavity 33; a second control assembly is arranged above the second movable cavity 33; the top of the shell 1 is provided with a second equipment box 3, the second control assembly comprises a third electromagnetic assembly arranged in the second equipment box 3 and a third magnetic block 341 arranged in the first sealing block 34, the third electromagnetic assembly comprises a third iron core 31 fixedly connected in the second equipment box and a third coil 32 wound on the third iron core, and the third coil is communicated with a power supply.

When the first outlet needs to be opened, the power supply of the third coil is switched on, so that the electromagnetic assembly generates magnetic force, the magnetic force generated by the third electromagnetic coil is attracted with the magnetism of the third magnetic block, the first sealing block is attracted upwards under the action of the third electromagnetic assembly, and the first sealing block is disengaged from the sealing plate, so that the first outlet is opened; when the third coil is not electrified any more, the first sealing block moves downwards under the action of the return spring and the self gravity, so that the first sealing block is extruded on the sealing plate to form sealing fit with the sealing plate to seal the first outlet; the sealing effect of the first sealing block on the first outlet is increased through the matching of the first sealing block and the sealing ring plate; the second control assembly controls the opening and closing of the first sealing block, and the first sealing block can be opened through the second control assembly, so that fluid passes through the first outlet; the first control component and the second control component work independently, one or two of the outlets can be opened independently or all the outlets can be opened simultaneously under the action of the first control component and the second control component, the requirements of special processes can be met, and the application range of the electromagnetic valve is widened.

Example 2:

as shown in fig. 6 to 7, the present embodiment is different from embodiment 1 in that: the first outlet 12, the second outlet 13 and the third outlet 14 are respectively provided with a one-way valve assembly 4; through the effect of check valve subassembly, avoid in fluid flows into the solenoid valve from the exit, influence the normal work of solenoid valve, promote the stability of solenoid valve work.

The check valve assembly 4 comprises a baffle 42 arranged on the inner wall of the pipeline 16 and a spherical block 41 matched with the baffle 42, and an arc-shaped groove corresponding to the spherical block 41 is formed in one side of the baffle 42; the baffle is of a circular structure and is fixedly connected to the inner wall of the pipeline; the two sides of the spherical block 41 are respectively provided with a sliding block 43, and the shell 1 is internally provided with a sliding groove 15 matched with the sliding block 43.

When fluid flows out from the outlet in the electromagnetic valve, the fluid pushes the spherical block to move towards the outlet, and the sliding block moves to one side of the sliding groove along the sliding groove, so that the spherical block is disengaged from the baffle, and the fluid can flow out from the electromagnetic valve conveniently; when the sealed piece closed the export and made fluid no longer circulate, the partial fluid in exit drives the ball to hinder piece toward solenoid valve inside motion toward the solenoid valve internal reflux, and the slider moves to the spout other end along the spout, makes in the arc recess on the baffle is embedded into to the ball hinders the piece and the baffle forms sealed cooperation to close the exit and avoid fluid to take place the backward flow phenomenon.

A limiting spring 44 is arranged in the sliding groove 15, and one end of the limiting spring 44 is fixedly connected to the inner wall of the sliding groove 15; the limiting spring is fixedly connected to one end, close to the outlet, of the sliding groove, limits the maximum distance of the sliding block moving in the sliding groove, has a buffering effect on the sliding block, and avoids the sliding block from directly impacting the inner wall of the sliding groove under the impact of fluid to protect the sliding block.

The spherical block 41 is made of elastic materials, and can be made of rubber materials; the spherical block is made of elastic materials, so that the spherical block generates certain deformation when contacting with the baffle, and the sealing matching effect of the spherical block and the baffle is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A solenoid valve comprises a shell (1), an inlet (11) arranged on one side of the shell (1), a first outlet (12), a second outlet (13) and a third outlet (14) arranged on the other side of the shell (1), wherein the inlet (11) is communicated with the first outlet (12), the inlet (11) is communicated with the second outlet (13), and the inlet (11) is communicated with the third outlet (14) through a pipeline (16); the first outlet (12) is provided with a first sealing block (34), the second outlet (13) is provided with a second sealing block (27), the third outlet (14) is provided with a third sealing block (26), and the device is characterized in that: a first control assembly for controlling the second sealing block (27) and the third sealing block (26) to move is arranged in the shell (1), a first reset assembly (210) is arranged on the third sealing block (26), and first supporting assemblies (29) are arranged on two sides of the first reset assembly (210); the first control assembly comprises a first equipment box (2) arranged in the pipeline (16), a baffle (21) is arranged in the middle of the first equipment box (2), the baffle (21) divides the first equipment box (2) into a left part and a right part, a first electromagnetic assembly is arranged in the first equipment box on the left side, and a second electromagnetic assembly is arranged in the first equipment box on the right side.

2. A solenoid valve according to claim 1 wherein: the second outlet (13) and the third outlet (14) are respectively provided with a stop block (28), the top surface of the second sealing block (27) is provided with a first sealing gasket (274), and the top surface of the third sealing block (26) is provided with a second sealing gasket (264).

3. A solenoid valve according to claim 1 wherein: a first push block (271) is arranged at the top of the second sealing block (27), a first connecting block (272) is fixedly connected to the first push block (271), a first magnetic block (273) is fixedly connected to the first connecting block (272), and the first magnetic block (273) is arranged above the second electromagnetic component; third sealed piece (26) top is equipped with second ejector pad (261), second connecting block (262) have been linked firmly on second ejector pad (261), second magnetic path (263) have been linked firmly on second connecting block (262), second magnetic path (263) are located first electromagnetic component top.

4. A solenoid valve according to claim 1 wherein: the first reset assembly (210) comprises a first reset spring (2104) fixedly connected to the third sealing block (26) and a protective sleeve assembly sleeved on the first reset spring (2104).

5. A solenoid valve according to claim 4 wherein: the protective sleeve assembly comprises an upper cover shell (2101), a telescopic cover shell (2102) connected with the upper cover shell (2101), and a lower cover shell (2103) connected with the other end of the telescopic cover shell (2102), wherein an external thread (21011) is arranged on the side wall of the upper cover shell (2101), and a thread groove matched with the external thread (21011) is arranged on the third sealing block (26).

6. A solenoid valve according to claim 1 wherein: the first supporting assembly (29) comprises a supporting base (291) arranged on the inner wall of the pipeline (16) and a movable rod (292) fixedly connected to the third sealing block (26), a first movable cavity (2911) is arranged in the supporting base (291), and the movable rod (292) is arranged in the first movable cavity (2911).

7. A solenoid valve according to claim 1 wherein: baffle (21) are insulating material and make, baffle (21) inside is equipped with cavity (211), around being equipped with a plurality of iron wire circles (212) on cavity (211) inner wall.

8. A solenoid valve according to claim 1 wherein: a sealing plate (35) matched with the first sealing block (34) is arranged on the inner wall of the pipeline (16), a sealing ring plate (351) is arranged on the sealing plate (35), a second movable cavity (33) is arranged above the first sealing block (34), and a second return spring (331) is arranged in the second movable cavity (33); a second control component is arranged above the second movable cavity (33).

9. A solenoid valve according to claim 8, wherein: the top of the shell (1) is provided with a second equipment box (3), and the second control assembly comprises a third electromagnetic assembly arranged in the second equipment box (3) and a third magnetic block (341) arranged in the first sealing block (34).