CN115467984A

CN115467984A - Electromagnetic valve device capable of being quickly started in voltage reduction mode

Info

Publication number: CN115467984A
Application number: CN202211260333.9A
Authority: CN
Inventors: 李乐宇; 陈小威; 李昊轩
Original assignee: Zhejiang Sanhao Intelligent Technology Co ltd
Current assignee: Zhejiang Sanhao Intelligent Technology Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2022-12-13

Abstract

The invention discloses a pressure-reducing quick-start electromagnetic valve device, which comprises a valve body, a driving coil, a valve core assembly and a closing spring, wherein the valve core assembly comprises a movable iron core, a main sealing cover and a limiting sleeve fixed on the movable iron core, a pressure relief opening is formed in the main sealing cover, the movable iron core and the main sealing cover can move for a certain distance relatively, and a limiting structure is arranged between the movable iron core and the main sealing cover; when the electromagnetic valve device is electrified to work, the pressure relief port is opened firstly to relieve pressure, and the main valve port can be opened easily after the pressure is reduced, so that higher working pressure can be obtained, the pressure reduction and quick start can be realized, the production cost is reduced, and the market competitiveness of the product is improved.

Description

Electromagnetic valve device capable of being quickly started in voltage reduction mode

Technical Field

The invention relates to the technical field of valves, in particular to a pressure-reducing quick-starting electromagnetic valve device.

Background

The electromagnetic valve is industrial equipment controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, is used for adjusting the direction, flow, speed and other parameters of a medium in an industrial control system, can be applied to pipeline conveying systems such as steam pipelines, gas pipelines, natural gas pipelines and the like, and is widely applied in daily life.

In daily life and industrial production, common solenoid valves can be mainly classified into direct-acting solenoid valves and pilot-operated solenoid valves. The pilot-operated solenoid valve is realized by driving a valve core of a main valve to reciprocate by the pressure of fluid through a diaphragm and a piston, and has the advantages of complex overall structure arrangement, large volume and easy occurrence of the phenomenon of low outflow rate in low pressure; and the direct action type solenoid valve that people generally used mainly by solenoid, quiet iron core, move the iron core and constitute, still contain the valve body of one or several valve holes, reset spring between valve body and the case, and be equipped with the chamber of admitting air and the chamber of giving vent to anger of connecting the valve hole in valve body both sides, it is equipped with sealing plug or sealed lid on the iron core to move, when coil circular telegram or outage, the drive moves the iron core and drives sealed lid and open or cut off the valve body, thereby open or close the solenoid valve, though this kind of traditional solenoid valve can open the valve hole in very short time after the circular telegram completely, nevertheless often meet following problem in-service use: because the sealing cover and the air inlet cavity are on the same side, when the air inlet pressure is higher, the pressure force of the sealing cover which is downwards pressed on the valve hole is higher, therefore, the force which needs to be overcome when the valve hole is opened is higher, and higher working pressure is needed to be obtained.

Disclosure of Invention

Therefore, the invention aims to solve the technical problems that the electromagnetic coil and the product are increased in size, the production cost is increased and the market competitiveness is reduced due to the fact that the movable iron core drives the sealing cover to be opened under the action of larger electromagnetic force in a mode of increasing the power of the electromagnetic coil in the prior art.

In order to solve the technical problems, the invention provides a pressure-reducing quick-start electromagnetic valve device which comprises a valve body, a driving coil and a valve core assembly, wherein the driving coil and the valve core assembly are arranged on the valve body;

the movable iron core is fixedly provided with a limiting sleeve limited at the lower end of the closing spring, the limiting sleeve is matched and pressed against the main sealing cover, the movable iron core and the main sealing cover can move for a certain distance relatively, the main sealing cover is provided with a pressure relief opening for communicating the air inlet cavity with the main valve opening, the movable iron core is sealed and pressed against the pressure relief opening under the action of the closing spring, and a limiting structure which is in limiting fit after the movable iron core and the main sealing cover move for a certain distance relatively is arranged between the movable iron core and the main sealing cover; when the movable iron core is driven by the driving coil to move upwards, the movable iron core has a pressure relief stage of driving the limiting sleeve to move away from the main sealing cover so as to open the pressure relief opening, and an opening stage of driving the main sealing cover to move upwards to open the main valve opening through the limiting structure.

In the solenoid valve device, the main sealing cover comprises a movable groove movably connected with one end of the movable iron core, the pressure relief opening is formed in the center of the bottom of the movable groove, and a pressure relief sealing gasket used for closing or opening the pressure relief opening is arranged at one end of the movable iron core.

In the foretell solenoid valve device, limit structure is including setting up ring channel on the activity recess lateral wall, and the spacing rand of setting in the ring channel, and the shaping is in move the spacing arch of annular on the periphery lateral wall of iron core one end, spacing rand part stretch into to in the activity recess and be located the spacing bellied upside of annular makes it shifts up for main sealed lid to move the iron core and drive the spacing arch of annular and spacing rand cooperation counterbalance when shifting up.

In the above electromagnetic valve device, the side wall of the movable iron core is formed with an annular abdicating groove located on the upper side of the annular limiting protrusion, and the limiting retainer ring is accommodated between the annular groove and the abdicating groove.

In the electromagnetic valve device, at least one air passing plane is formed on the edge of the annular limiting protrusion, and a gap is formed between the air passing plane and the side wall of the movable groove.

In the electromagnetic valve device, one end face of the movable iron core is of an arc surface structure, and a limiting clamping groove for positioning and installing the pressure relief sealing gasket is arranged in the center of the arc surface structure.

In the electromagnetic valve device, an annular convex tip structure protruding into the movable groove is arranged at the upper port of the pressure relief port, and the pressure relief sealing gasket is abutted to the convex tip structure in a matching manner.

In the electromagnetic valve device, the limit sleeve is fixed on the movable iron core through the check ring, the top of the main sealing cover is provided with a step structure which is matched and abutted against the limit sleeve, and the bottom of the main sealing cover is provided with a main sealing gasket which is in sealing fit with the main valve port.

In the electromagnetic valve device, a static pipe sleeve suitable for containing the movable iron core is arranged in a cavity in the middle of the driving coil, the movable iron core is movably arranged in the static pipe sleeve, a flow adjusting screw rod capable of moving along the axial direction of the static pipe sleeve penetrates through the static pipe sleeve, and the flow adjusting screw rod is arranged opposite to the other end of the movable iron core.

In the electromagnetic valve device, a movement guide structure is arranged between the flow adjusting screw rod and the movable iron core, the movement guide structure comprises a guide hole which is arranged on the flow adjusting screw rod in an axially extending manner along the static pipe sleeve, and a movement guide rod which is connected to the other end of the movable iron core, and the movement guide rod is connected to the guide hole in a sliding manner.

Compared with the prior art, the technical scheme of the invention has the following advantages:

1. in the electromagnetic valve device provided by the invention, the movable iron core is arranged in a way of moving a certain distance relative to the main sealing cover, and a limit structure forming limit fit is arranged between the movable iron core and the main sealing cover; when the driving coil is electrified, the movable iron core ascends and moves under the action of electromagnetic force, the main sealing cover is pressed against the main valve port under the action of gravity and air inlet pressure and still is in a downward stress state, at the moment, the movable iron core drives the limiting sleeve to overcome the spring force to ascend and move and generate displacement with the main sealing cover, so that the pressure relief port is opened first, partial air inlet pressure is favorably discharged first, the pressure of the air inlet pressure acting on the main sealing cover is reduced correspondingly, the main valve port is opened easily, the main sealing cover is driven to move upwards synchronously through the limiting structure along with the continuous rising of the movable iron core, the main valve port is opened, the opening of the electromagnetic valve is realized, the whole opening process is completed quickly in a short time, the electromagnetic valve device designed in the way is used for opening the pressure relief port first to relieve pressure when the electromagnetic valve is electrified, the main valve port can be opened easily after the pressure is reduced, the aim of obtaining higher working pressure and quick starting under reduced pressure is realized, the mode of increasing the coil power in the prior art is avoided, the production cost is favorably reduced, the product volume is reduced, and the service performance and the market competitiveness of the product is improved.

2. The invention provides an electromagnetic valve device, wherein the limiting structure comprises a limiting retainer ring arranged on the side wall of a movable groove of a main sealing cover and an annular limiting bulge formed on the peripheral side wall of one end of a movable iron core.

3. In the electromagnetic valve device provided by the invention, at least one air passing plane is formed on the edge of the annular limiting bulge, and a gap is formed between the air passing plane and the side wall of the movable groove.

4. In the electromagnetic valve device provided by the invention, the opening distance between the valve core assembly and the main valve port is determined by the movement stroke of the movable iron core, and the flow adjusting screw rod opposite to the other end of the movable iron core is arranged on the static pipe sleeve in a penetrating manner and is in threaded connection with the static pipe sleeve, and can move downwards along the axial direction of the static pipe sleeve when being rotated, so that the stroke gap between the flow adjusting screw rod and the movable iron core is reduced, namely the ascending distance of the movable iron core is reduced, the purpose of adjusting the opening distance of the valve core assembly is realized, and the flow adjusting device can be used for adjusting and controlling the flow of the main valve port.

5. The electromagnetic valve device has the advantages that the movable iron core is guided by the movement guide rod, the stability and the reliability of the reciprocating movement of the movable iron core between the static pipe sleeve and the main valve opening are improved, the main sealing cover at one end of the movable iron core is opposite to the main valve opening, the main sealing cover can be accurately and tightly closed at the main valve opening, and the product operation is more reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of a solenoid valve device according to the present invention in a closed state;

FIG. 2 is a schematic structural view of the solenoid valve device provided by the present invention in an open state;

FIG. 3 is an enlarged, fragmentary, schematic view of the valve cartridge assembly of FIG. 1, particularly illustrating the pressure relief port in a closed condition;

FIG. 4 is an enlarged, fragmentary, schematic view of the valve cartridge assembly of FIG. 2, particularly illustrating the pressure relief port in an open condition;

FIG. 5 is a schematic structural diagram of the plunger of the present invention;

description of reference numerals: 1. a valve body; 11. a main valve port; 12. an air inlet cavity; 13. an air outlet cavity; 2. a drive coil; 3. a movable iron core; 31. a pressure relief gasket; 32. a gas passing plane; 4. a primary seal cover; 41. a pressure relief port; 42. a movable groove; 43. a convex tip structure; 44. a primary seal gasket; 45. a step structure; 5. a closing spring; 6. a position limiting sleeve; 7. a limiting structure; 71. a limiting retainer ring; 72. an annular limiting bulge; 73. a yielding groove; 8. a static pipe sleeve; 9. a flow rate adjusting screw; 91. a guide hole; 92. a motion guide rod.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

Example 1

The present embodiment is described in detail below with reference to the drawings:

the embodiment provides a pressure-reducing quick-start electromagnetic valve device as shown in fig. 1-5, which includes a valve body 1, and a driving coil 2 and a valve core assembly that are disposed on the valve body 1, where the valve body 1 includes a main valve port 11 disposed between an air inlet chamber 12 and an air outlet chamber 13 corresponding to the valve core assembly, a closing spring 5 that applies movement to the valve core assembly toward one side of the main valve port 11 is disposed between the valve core assembly and the valve body 1, the valve core assembly includes a movable iron core 3 that moves up and down along an axial direction of the main valve port 11, and a main sealing cover 4 that is disposed at one end of the movable iron core 3 and is used for closing the main valve port 11;

the movable iron core 3 is fixedly provided with a limiting sleeve 6 limited at the lower end of the closing spring 5, the upper end of the closing spring 5 is abutted in a groove of the valve body 1, the limiting sleeve 6 is matched and abutted against the main sealing cover 4, the movable iron core 3 and the main sealing cover 4 can move relatively for a certain distance, the main sealing cover 4 is provided with a pressure relief opening 41 for communicating the air inlet cavity 12 with the main valve opening 11, the movable iron core 3 is sealed and pressed against the pressure relief opening 41 under the action of the closing spring 5, and a limiting structure 7 forming limiting matching after the movable iron core 3 and the main sealing cover 4 move relatively for a certain distance is arranged between the movable iron core 3 and the main sealing cover 4; when the movable iron core 3 is driven by the driving coil 2 to move upwards, the movable iron core has a pressure relief stage of driving the limiting sleeve 6 to move away from the main sealing cover 4 to open the pressure relief opening 41, and an opening stage of driving the main sealing cover 4 to move upwards to open the main valve opening 11 through the limiting structure 7.

In the above embodiment, the movable iron core 3 is disposed to be movable by a certain distance relative to the main sealing cover 4, and a pressure relief opening 41 is disposed on the main sealing cover 4, referring to fig. 1 and 3, when the driving coil is powered off, the movable iron core 3 drives the main sealing cover 4 to close the main valve opening 11 under the action of spring force, and simultaneously closes the pressure relief opening 41; referring to fig. 2 and 4, when the driving coil 2 is powered on, the movable iron core 3 moves up and down under the action of electromagnetic force, and the main sealing cover 4 is pressed against the main valve port 11 under the action of gravity and air inlet pressure and still is in a downward stress state, at this time, the movable iron core 3 drives the limiting sleeve 6 to overcome the spring force to move up and generate displacement with the main sealing cover 4, so that the pressure relief port 41 is opened first, partial air inlet pressure is discharged first, the pressure applied to the main sealing cover 4 by the air inlet pressure is correspondingly reduced, the main valve port 11 is opened easily, the main sealing cover 4 is driven to move up synchronously through the limiting structure 7 as the movable iron core continues to rise, the port 11 is opened again, the electromagnetic valve is opened, the whole opening process is completed quickly in a short time, the electromagnetic valve device designed in such a way opens the pressure relief port first to relieve pressure when powered on, the main valve port can be opened easily after the pressure is reduced, so as to obtain higher working pressure, the purpose of quick start with pressure reduction is realized, the traditional way of increasing coil power is avoided, the production cost is reduced, the product volume is reduced, and the market use performance and the product is improved.

Combine as shown in fig. 3-4, main sealed lid 4 include with move 3 one end activities of iron core and link to each other movable recess 42, pressure release mouth 41 sets up the bottom center of activity recess 42, it leaves the clearance that can supply the gas to pass through to move between iron core 3 and the activity recess 42, can seal off in order to guarantee to move iron core 3 pressure release mouth 41, it serves and is used for closing or opening to move 3 of iron core pressure release mouth 41's pressure release sealing pad 31, wherein, the one end terminal surface that moves iron core 3 is the arc surface structure, and the center of this arc surface structure is provided with and is used for the location installation pressure release sealing pad 31's spacing draw-in groove plays limiting displacement in moving iron core one end to pressure release sealing pad through spacing draw-in groove, and installation stability is good.

Stop collar 6 passes through the retaining ring to be fixed move on the iron core 3, the top of main sealed lid 4 is provided with the stair structure 45 that offsets with 6 cooperations of stop collar, its bottom be provided with the sealed pad 44 of main valve mouth 11 seal fit, in this embodiment, main sealed pad 44 and the sealed 31 of pressure release are made for adopting the rubber material respectively, stop collar 6 receives the spring force of closing spring 5 to act on under the butt at stair structure 45 to the spring force effect that will close spring 5 is used in main sealed lid 4, thereby guarantees to move the iron core and drives main sealed lid and close enough stable closing pressure when the main valve mouth.

The specific arrangement of the limiting structure is described in detail below with reference to fig. 3-4:

limit structure 7 is including setting up ring channel on the activity recess 42 lateral wall, and the spacing rand 71 of setting in the ring channel, and the shaping is in move the spacing arch 72 of annular on the periphery lateral wall of iron core 3 one end, spacing rand 71 part stretch into extremely in the activity recess 42 and lie in the upside of the spacing arch 72 of annular makes move iron core 3 and move up time drive the spacing arch 72 of annular and cooperate the counterbalance with spacing rand 71 for main sealed lid 4, wherein, it has the recess 73 of stepping down that is located the spacing protruding 72 upside of annular and is the annular to move the shaping on the lateral wall of iron core 3, spacing rand 71 holds between ring channel and the recess 73 of stepping down. According to the structure, when the movable iron core 3 rises for a distance relative to the main sealing cover 4 and then drives the annular limiting protrusion 72 and the limiting clamping ring 71 to be abutted, the limiting fit formed by the annular limiting protrusion 72 and the limiting clamping ring 71 being matched and abutted can prevent one end of the movable iron core 3 from being separated from the movable groove 42 when the movable iron core rises and moves, linkage fit can be formed between the movable iron core 3 and the main sealing cover 4, and the main sealing cover is driven to synchronously move to open the main valve opening when the movable iron core rises and contacts the limiting clamping ring.

According to the fact that a movable gap is reserved between the movable iron core 3 and the movable groove 42, in order to increase the air inflow between the movable iron core 3 and the movable groove 42 and to the pressure relief opening 41, two air passing planes 32 are formed on the edge of the annular limiting protrusion 72, a gap is formed between the air passing planes 32 and the side wall of the movable groove 42, the air inflow between the movable iron core 3 and the movable groove 42 can be increased due to the design of the air passing planes 32, the pressure relief flow when the pressure relief opening 41 is opened can be improved, the pressure reduction speed is high, and therefore the main valve opening can be opened quickly after the pressure reduction is facilitated.

As shown in fig. 3, the upper port of the pressure relief opening 41 is provided with an annular convex tip structure 43 protruding into the movable groove 42, the pressure relief sealing gasket 31 is abutted to the convex tip structure 43, and the design of the annular convex tip structure 43 is beneficial to reducing the contact area between the pressure relief sealing gasket 31 and the pressure relief opening 41, so that the contact pressure is small, thereby promoting the movable iron core 3 to drive the pressure relief sealing gasket to open the starting performance of the pressure relief opening 41, and the opening speed is high.

In this embodiment, as shown in fig. 1-2, a static socket 8 adapted to receive the movable iron core 3 is disposed in the central cavity of the driving coil 2, the movable iron core 3 is reciprocally movable in the static socket 8 along the axial direction of the static socket 8, and the axial direction of the static socket 8 is aligned with the axial direction of the main valve 11. According to the fact that the opening distance between the valve core assembly and the main valve port 11 is determined by the movement stroke of the movable iron core 3, for this purpose, a flow adjusting screw 9 which can move along the axial direction of the static pipe sleeve 8 penetrates through the static pipe sleeve 8, the flow adjusting screw 9 is arranged opposite to the other end of the movable iron core 3, the flow adjusting screw 9 is in threaded connection with the static pipe sleeve 8 and can move towards one side close to or far away from the movable iron core 3 along the axial direction of the static pipe sleeve when being rotated, so that the stroke gap between the flow adjusting screw and the movable iron core can be adjusted, namely the ascending distance of the movable iron core is reduced or increased, the purpose of adjusting the opening distance of the valve core assembly is achieved, and the valve core assembly can be used for adjusting and controlling the flow of the port.

Further preferably, a movement guide structure is arranged between the flow adjusting screw 9 and the movable iron core 3, the movement guide structure comprises a guide hole 91 which is arranged on the flow adjusting screw 9 along the axial extension of the static pipe sleeve 8, and a movement guide rod 92 which is connected to the other end of the movable iron core 3, and the movement guide rod 92 is connected to the guide hole 91 in a sliding manner.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides a step-down quick start's solenoid valve device, includes valve body (1) and sets up in drive coil (2) and the case subassembly of valve body, valve body (1) is including corresponding main valve mouth (11) that the case subassembly set up between air inlet chamber (12) and air outlet chamber (13), be provided with between case subassembly and valve body (1) and apply closing spring (5) of removing to main valve mouth (11) one side to the case subassembly, the case subassembly includes moves iron core (3) of doing the axial of following main valve mouth and reciprocating, and sets up move iron core (3) one end and be used for closing main sealing lid (4) of main valve mouth (11), its characterized in that:

a limiting sleeve (6) limited at the lower end of the closing spring (5) is fixedly arranged on the movable iron core (3), the limiting sleeve (6) is matched and pressed against the main sealing cover (4), the movable iron core (3) and the main sealing cover (4) can move relatively for a certain distance, a pressure relief opening (41) used for communicating the air inlet cavity (12) and the main valve opening (11) is formed in the main sealing cover (4), the movable iron core (3) is sealed and pressed against the pressure relief opening (41) under the action of the closing spring, and a limiting structure (7) forming limiting fit after the movable iron core (3) and the main sealing cover (4) move relatively for a certain distance is arranged between the movable iron core and the main sealing cover; when the movable iron core (3) is driven by the driving coil (2) to move upwards, the movable iron core has a pressure relief stage of driving the limiting sleeve (6) to move away from the main sealing cover (4) to open the pressure relief opening (41), and an opening stage of driving the main sealing cover (4) to move upwards to open the main valve opening (11) through the limiting structure.

2. The electromagnetic valve device for pressure reduction and quick start according to claim 1, characterized in that: the main sealing cover (4) comprises a movable groove (42) movably connected with one end of the movable iron core (3), a pressure relief opening (41) is formed in the center of the bottom of the movable groove (42), and a pressure relief sealing gasket (31) used for closing or opening the pressure relief opening (41) is arranged on one end of the movable iron core (3).

3. The electromagnetic valve device for pressure reduction and quick start according to claim 2, characterized in that: limit structure (7) are including setting up ring channel on activity recess (42) lateral wall and spacing rand (71) of setting in the ring channel, and the shaping is in move spacing arch (72) of annular on the periphery lateral wall of iron core (3) one end, spacing rand (71) part stretch into to in activity recess (42) and be located the upside of spacing arch of annular (72), make move iron core (3) and drive spacing arch of annular (72) and spacing rand (71) cooperation counterbalance when shifting up for main sealed lid (4).

4. The pressure-reducing quick-start electromagnetic valve device according to claim 3, characterized in that: the shaping has the recess of stepping down (73) that is located the spacing arch of annular (72) upside of annular form on the lateral wall of movable core (3), spacing rand (71) hold between annular groove and the recess of stepping down (73).

5. The electromagnetic valve device for pressure reduction and quick start according to claim 4, wherein: at least one air passing plane (32) is formed on the edge of the annular limiting protrusion (72), and a gap is formed between the air passing plane (32) and the side wall of the movable groove (42).

6. The electromagnetic valve device for pressure reduction and quick start according to any one of claims 2 to 5, characterized in that: the end face of one end of the movable iron core (3) is of an arc surface structure, and a limiting clamping groove used for positioning and installing the pressure relief sealing gasket (31) is arranged in the center of the arc surface structure.

7. The electromagnetic valve device for pressure reduction and quick start according to claim 6, wherein: an annular convex tip structure (43) protruding into the movable groove (42) is arranged at the upper port of the pressure relief port (41), and the pressure relief sealing gasket (31) is abutted to the convex tip structure (43) in a matched mode.

8. The electromagnetic valve device for pressure reduction and quick start according to claim 6, wherein: the limiting sleeve (6) is fixed on the movable iron core (3) through a retaining ring, a step structure (45) matched and abutted with the limiting sleeve (6) is arranged at the top of the main sealing cover (4), and a main sealing gasket (44) in sealing fit with the main valve port (11) is arranged at the bottom of the main sealing cover.

9. The electromagnetic valve device for pressure reduction and quick start according to any one of claims 1 to 8, characterized in that: a static pipe sleeve (8) suitable for containing the movable iron core (3) is arranged in a cavity in the middle of the driving coil (2), the movable iron core (3) is movably arranged in the static pipe sleeve (8), a flow adjusting screw rod (9) capable of moving along the axial direction of the static pipe sleeve (8) penetrates through the static pipe sleeve (8), and the flow adjusting screw rod (9) is arranged opposite to the other end of the movable iron core (3).

10. The electromagnetic valve device for pressure reduction and quick start according to claim 9, characterized in that: flow control screw (9) with be provided with the motion guide structure between moving iron core (3), the motion guide structure includes along the axial extension of quiet pipe box (8) guiding hole (91) of setting on flow control screw (9) and connects move guide arm (92) on moving iron core (3) the other end, move guide arm (92) sliding connection in guiding hole (91).