CN113374873B - Normally open type piston solenoid valve - Google Patents
Normally open type piston solenoid valve Download PDFInfo
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- CN113374873B CN113374873B CN202110794599.0A CN202110794599A CN113374873B CN 113374873 B CN113374873 B CN 113374873B CN 202110794599 A CN202110794599 A CN 202110794599A CN 113374873 B CN113374873 B CN 113374873B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/40—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor
- F16K31/406—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor with electrically-actuated member in the discharge of the motor acting on a piston
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a normally open piston type electromagnetic valve, which comprises a valve body, wherein a main valve cover part is inserted and connected inside the valve body, a solenoid part is arranged above the main valve cover part, a spiral cover part is inserted and connected inside the solenoid part, an ejector rod is inserted and connected inside the spiral cover part, a valve cover gasket is fixedly connected to the bottom of the main valve cover part, the main valve cover part comprises a main valve cover, a hole check ring and a main valve core blocking cover are arranged inside the main valve cover, a pilot small valve core is inserted and connected inside the hole check ring and the main valve core blocking cover, a jack is arranged below one side of the pilot small valve core, and a bolt is inserted and connected inside the jack.
Description
Technical Field
The invention belongs to the technical field of electromagnetic valves, and particularly relates to a normally-open piston type electromagnetic valve.
Background
The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. The solenoid valves are various, different solenoid valves are used at different positions of a control system, the most common solenoid valves are one-way valves, safety valves, directional control valves, speed regulating valves and the like, and the piston type solenoid valve is a fluid control element for driving a valve by electromagnetic force generated by a solenoid coil and is one of actuators commonly used in a pipeline control process.
The existing electromagnetic valve is easy to damage in a long-term opening state, still easy to explode or damage in a state of overlarge internal pressure of the electromagnetic valve, and difficult to detect the high temperature in the electromagnetic valve.
Disclosure of Invention
The technical problem to be solved by the present invention is to overcome the existing defects, and to provide a normally open piston type solenoid valve, so as to solve the problems that the existing solenoid valve proposed in the background art is easily damaged in a long-term open state, still easily explodes in a state of an excessive internal pressure of the solenoid valve, and is difficult to detect a high temperature inside the solenoid valve.
In order to achieve the purpose, the invention provides the following technical scheme: a normally open piston type electromagnetic valve comprises a valve body, a main valve cover part is inserted and connected inside the valve body, an electromagnetic coil component is arranged above the main valve cap component, a cap screwing component is inserted and connected inside the electromagnetic coil component, the inner part of the cap screwing component is inserted and connected with a mandril, the bottom of the main valve cap component is fixedly connected with a valve cap gasket, the main valve cover part comprises a main valve cover, a check ring for holes and a main valve core check cover are arranged in the main valve cover, the hole retainer ring and the inner part of the main valve core baffle cover are inserted and connected with a pilot small valve core, the lower part of one side of the pilot small valve core is provided with a jack, the inner part of the jack is inserted and connected with a bolt, the bottom of the pilot small valve core is connected with a small valve core sealing element in an inserting way, the inside of the main valve cover is connected with a main valve core in an inserting way, the retainer ring for the hole, the main valve core retaining cover, the pilot small valve core and the small valve core sealing piece are all positioned in the main valve core, the bolt sequentially penetrates through the jack at the bottom of one side of the main valve core and the jack at the bottom of one side of the small pilot valve core, the bottom of the main valve core is clamped and connected with a main valve core sealing element, a main valve core gasket is sleeved below the main valve core, a valve cover gasket is sleeved at the bottom of one side with the largest diameter of the main valve cover, a small valve core bushing is clamped and connected inside the main valve cover, a reset spring is sleeved outside the pilot small valve core, a small valve core bolt is connected with the top of the reset spring in a threaded manner, the spiral cover component comprises a guide pipe, a movable iron core is connected with the upper part of the inner part of the guide pipe in an inserting way, a static iron core is connected with the lower part of the inner part of the guide pipe in an inserting way, the temperature control valve is characterized in that a spiral cover is sleeved outside the guide pipe, a spiral cover plug is connected to the upper portion inside the guide pipe in a clamped mode, and a temperature sensor is fixedly connected to the bottom of the valve body.
Preferably, the small pilot valve core penetrates through the inside of the main valve cover, the top of the small pilot valve core is located above the main valve cover, a sealing ring is arranged between the small pilot valve core and the small valve core bolt, and two sides of the sealing ring are respectively attached to the small valve core bolt and the small pilot valve core.
Preferably, both sides of valve body bottom all communicate with the outside, the inside of the both sides through-hole of valve body all inserts to be closed and is connected with the shield.
Preferably, the top of the main valve cover is hexagonal, the bottom of the hexagonal structure is provided with a widening structure, and the widening structure is located above the outer ring of the main valve cover.
Preferably, the section of the small valve core bushing is T-shaped, and through holes are formed in the small valve core bushing and the main valve cover.
Preferably, the main spool block cover is clamped outside the small pilot spool in a C shape.
Preferably, the diameter of the bottom of the pilot small valve core is wider, the diameter of the upper part of the pilot small valve core is narrower, a nameplate is attached to the upper part of the electromagnetic coil component, and a hexagonal nut is connected to the upper part of the top of the electromagnetic coil component in a threaded mode.
Preferably, a plurality of snap ring grooves are formed in the outer portion of the main valve core, a plurality of snap rings are formed in the main valve cover, the main valve core is inserted into the main valve cover, and the snap ring grooves in the outer portion of the main valve core are clamped with the snap rings in the main valve cover.
Preferably, the detection end of the temperature sensor is inserted into the valve body.
Preferably, the through holes are formed in the rotating cover plug, the movable iron core, the guide pipe, the rotating cover and the static iron core and are communicated with each other.
Compared with the prior art, the invention provides a normally open type piston electromagnetic valve which has the following beneficial effects:
1. according to the invention, the piston electromagnetic valve can be damped through the arranged main valve core sealing element, the main valve core gasket, the reset spring and the sealing ring, so that the service life of the electromagnetic valve can be prevented from being reduced.
2. The small valve core sealing piece and the main valve core sealing piece can reinforce and seal the interior of the electromagnetic valve, so that the firmness of the electromagnetic valve can be increased, and the service life of the electromagnetic valve can be prolonged.
3. The temperature sensor can detect the temperature inside the valve body, and the alarm is convenient to connect to display and warn high temperature of the temperature inside the valve body.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention in any way:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural view of a front view according to the present invention;
FIG. 3 is a schematic view of the internal structure of the main view proposed by the present invention;
FIG. 4 is a schematic diagram of a disassembled structure of the apparatus according to the present invention;
FIG. 5 is a schematic perspective view of a valve cover component according to the present invention;
FIG. 6 is a front view of the valve cover component according to the present invention;
FIG. 7 is a front view of the internal structure of the valve cover component according to the present invention;
FIG. 8 is a schematic diagram of a disassembled structure of the valve cover component according to the present invention;
FIG. 9 is a schematic perspective view of a main valve cover according to the present invention;
FIG. 10 is a schematic side view of the main valve cap according to the present invention;
FIG. 11 is an enlarged view of the structure A proposed by the present invention;
FIG. 12 is a schematic top view of a main valve cover according to the present invention;
fig. 13 is a schematic perspective view of a small valve core bushing according to the present invention;
FIG. 14 is a side view of the inner structure of the small valve core bushing according to the present invention;
FIG. 15 is a schematic top view of a small spool bushing according to the present invention;
FIG. 16 is a schematic perspective view of a main spool stop cover according to the present invention;
FIG. 17 is a schematic top view of a main spool stop cap according to the present invention;
FIG. 18 is a schematic side view of a main spool stop according to the present invention;
fig. 19 is a schematic perspective view of a pilot small valve core according to the present invention;
fig. 20 is a schematic front view of a pilot small valve core according to the present invention;
fig. 21 is a schematic view of the main internal structure of the pilot small valve core according to the present invention;
FIG. 22 is a schematic perspective view of a main valve element according to the present invention;
fig. 23 is a schematic front view of a main valve element according to the present invention;
FIG. 24 is a schematic view of the main valve spool interior according to the present invention;
FIG. 25 is a schematic view of a bolt structure of a small valve core according to the present invention;
FIG. 26 is a front view of a bolt with a small valve core according to the present invention;
FIG. 27 is a schematic top view of a small valve core bolt according to the present invention;
FIG. 28 is a perspective view of a screw cap assembly according to the present invention;
FIG. 29 is a front view of a screw cap assembly according to the present invention;
FIG. 30 is a front view of the cover-rotating member according to the present invention;
FIG. 31 is a schematic view of a disassembled structure of the screw cap assembly of the present invention;
FIG. 32 is a schematic perspective view of a screw cap according to the present invention;
FIG. 33 is a schematic front view of the screw cap according to the present invention;
FIG. 34 is a schematic view of the front view of the screw cap according to the present invention;
FIG. 35 is a schematic top view of the screw cap according to the present invention;
fig. 36 is a schematic perspective view of a stationary core according to the present invention;
fig. 37 is a schematic front view of a stationary core according to the present invention;
fig. 38 is a schematic view of a front view of a stationary core according to the present invention;
fig. 39 is a schematic perspective view of the movable core according to the present invention;
fig. 40 is a schematic front view of the movable core according to the present invention;
fig. 41 is a schematic top view of the movable core according to the present invention;
in the figure: 1. a valve body; 2. a main bonnet member; 3. a top rod; 4. a cap screwing member; 5. an electromagnetic coil component; 6. a nameplate; 7. a hexagonal nut; 8. a dust cover; 9. a bonnet gasket; 10. a main spool gasket; 11. a main spool seal; 12. a main valve element; 13. a small spool seal; 14. a pilot small valve core; 15. a main spool stop cover; 16. a hole retainer ring; 17. a main valve cover; 18. a small spool bushing; 19. a return spring; 20. a seal ring; 21. a small valve core bolt; 22. a bolt; 23. a stationary core; 24. screwing a cover; 25. a conduit; 26. a movable iron core; 27. screwing a cover plug; 28. a temperature sensor.
Detailed Description
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example one
Referring to fig. 1-41, the present invention provides a technical solution: a normally open piston type electromagnetic valve comprises a valve body 1, a main valve cover part 2 is inserted and connected inside the valve body 1, an electromagnetic coil part 5 is arranged above the main valve cover part 2, a spiral cover part 4 is inserted and connected inside the electromagnetic coil part 5, an ejector rod 3 is inserted and connected inside the spiral cover part 4, a valve cover gasket 9 is fixedly connected to the bottom of the main valve cover part 2, the main valve cover part 2 comprises a main valve cover 17, a hole check ring 16 and a main valve core stop cover 15 are arranged inside the main valve cover 17, a pilot small valve core 14 is inserted and connected inside the hole check ring 16 and the main valve core stop cover 15, a jack is arranged below one side of the pilot small valve core 14, a bolt 22 is inserted and connected inside the jack, a small valve core sealing part 13 is inserted and connected to the bottom of the pilot small valve core 14, a main valve core 12 is inserted and connected inside the main valve cover 17, the hole retainer ring 16, the main valve core retainer cover 15, the small pilot valve core 14 and the small valve core sealing piece 13 are all positioned inside the main valve core 12, and can reinforce and seal the inside of the electromagnetic valve, thereby increasing the firmness of the electromagnetic valve and prolonging the service life of the electromagnetic valve, a bolt 22 sequentially penetrates through a jack at the bottom of one side of the main valve core 12 and a jack at the bottom of one side of the small pilot valve core 14, the bottom of the main valve core 12 is connected with the main valve core sealing piece 11 in a clamping way, a main valve core gasket 10 is sleeved under the main valve core 12, a valve cover gasket 9 is sleeved at the bottom of one side with the largest diameter of the main valve cover 17, a small valve core bush 18 is connected in a clamping way inside the main valve cover 17, a reset spring 19 is sleeved outside the small pilot valve core 14, a small valve core bolt 21 is connected with the top of the reset spring 19 in a threaded way, the cover rotating part 4 comprises a guide pipe 25, a movable iron core 26 is connected in an inserting way above the inside the guide pipe 25, a static iron core 23 is connected in an inserting way below the guide pipe 25, the outside cover of pipe 25 is equipped with spiral cover 24, and the inside top block of pipe 25 is connected with spiral cover end cap 27, and the bottom fixedly connected with temperature sensor 28 of valve body 1 can detect the inside temperature of valve body 1, conveniently connects the attention device and shows and the high temperature warning to the inside temperature.
The working principle and the using process of the invention are as follows: when the electromagnetic valve is used, the electromagnetic valve is communicated with a circuit, a medium flows into the valve body 1 through the dustproof cover 8, and the main valve core sealing piece 11, the main valve core gasket 10, the return spring 19 and the sealing ring 20 in the electromagnetic valve can damp the piston electromagnetic valve.
Example two
Referring to fig. 1-41, the present invention provides a technical solution: a normally open piston type electromagnetic valve comprises a valve body 1, a main valve cover part 2 is inserted and connected inside the valve body 1, an electromagnetic coil part 5 is arranged above the main valve cover part 2, a spiral cover part 4 is inserted and connected inside the electromagnetic coil part 5, an ejector rod 3 is inserted and connected inside the spiral cover part 4, a valve cover gasket 9 is fixedly connected to the bottom of the main valve cover part 2, the main valve cover part 2 comprises a main valve cover 17, a hole check ring 16 and a main valve core stop cover 15 are arranged inside the main valve cover 17, a pilot small valve core 14 is inserted and connected inside the hole check ring 16 and the main valve core stop cover 15, a jack is arranged below one side of the pilot small valve core 14, a bolt 22 is inserted and connected inside the jack, a small valve core sealing part 13 is inserted and connected to the bottom of the pilot small valve core 14, a main valve core 12 is inserted and connected inside the main valve cover 17, the hole retainer ring 16, the main valve core retainer cover 15, the small pilot valve core 14 and the small valve core sealing piece 13 are all positioned inside the main valve core 12, and can reinforce and seal the inside of the electromagnetic valve, thereby increasing the firmness of the electromagnetic valve and prolonging the service life of the electromagnetic valve, a bolt 22 sequentially penetrates through a jack at the bottom of one side of the main valve core 12 and a jack at the bottom of one side of the small pilot valve core 14, the bottom of the main valve core 12 is connected with the main valve core sealing piece 11 in a clamping way, a main valve core gasket 10 is sleeved under the main valve core 12, a valve cover gasket 9 is sleeved at the bottom of one side with the largest diameter of the main valve cover 17, a small valve core bush 18 is connected in a clamping way inside the main valve cover 17, a reset spring 19 is sleeved outside the small pilot valve core 14, a small valve core bolt 21 is connected with the top of the reset spring 19 in a threaded way, the cover rotating part 4 comprises a guide pipe 25, a movable iron core 26 is connected in an inserting way above the inside the guide pipe 25, a static iron core 23 is connected in an inserting way below the guide pipe 25, the outside cover of pipe 25 is equipped with spiral cover 24, and the inside top block of pipe 25 is connected with spiral cover end cap 27, and the bottom fixedly connected with temperature sensor 28 of valve body 1 can detect the inside temperature of valve body 1, conveniently connects the attention device and shows and the high temperature warning to the inside temperature.
In the present invention, preferably, the pilot small valve core 14 penetrates through the inside of the main valve cover 17, the top of the pilot small valve core 14 is located above the main valve cover 17, a sealing ring 20 is disposed between the pilot small valve core 14 and a small valve core bolt 21, and two sides of the sealing ring 20 are respectively attached to the small valve core bolt 21 and the pilot small valve core 14, so that the piston electromagnetic valve can be damped, and the service life of the electromagnetic valve can be prevented from being reduced.
In the present invention, preferably, both sides of the bottom of the valve body 1 are communicated with the outside, the insides of the through holes on both sides of the valve body 1 are connected with the dust cap 8 by inserting, the top of the main valve cap 17 is hexagonal, the bottom of the hexagonal structure is provided with a widened structure, the widened structure is located above the outer ring of the main valve cap 17, the cross section of the small spool bush 18 is T-shaped, the insides of the small spool bush 18 and the main valve cap 17 are provided with through holes, and the main spool stop cover 15 is C-shaped and is clamped outside the small pilot spool 14.
The working principle and the using process of the invention are as follows: when the electromagnetic valve is used, the electromagnetic valve is communicated with a circuit, a medium flows into the valve body 1 through the dustproof cover 8, the main valve core sealing piece 11, the main valve core gasket 10, the reset spring 19 and the sealing ring 20 inside the electromagnetic valve can absorb shock of the piston electromagnetic valve, so that the service life of the electromagnetic valve can be prevented from being reduced, the small valve core sealing piece 13 and the main valve core sealing piece 11 can reinforce and seal the inside of the electromagnetic valve, so that the firmness of the electromagnetic valve can be increased, and the service life of the electromagnetic valve is prolonged.
EXAMPLE III
Referring to fig. 1-41, the present invention provides a technical solution: a normally open piston type electromagnetic valve comprises a valve body 1, a main valve cover part 2 is inserted and connected inside the valve body 1, an electromagnetic coil part 5 is arranged above the main valve cover part 2, a spiral cover part 4 is inserted and connected inside the electromagnetic coil part 5, an ejector rod 3 is inserted and connected inside the spiral cover part 4, a valve cover gasket 9 is fixedly connected to the bottom of the main valve cover part 2, the main valve cover part 2 comprises a main valve cover 17, a hole check ring 16 and a main valve core stop cover 15 are arranged inside the main valve cover 17, a pilot small valve core 14 is inserted and connected inside the hole check ring 16 and the main valve core stop cover 15, a jack is arranged below one side of the pilot small valve core 14, a bolt 22 is inserted and connected inside the jack, a small valve core sealing part 13 is inserted and connected to the bottom of the pilot small valve core 14, a main valve core 12 is inserted and connected inside the main valve cover 17, the hole retainer ring 16, the main valve core retainer cover 15, the pilot small valve core 14 and the small valve core sealing piece 13 are all positioned inside the main valve core 12 and can reinforce and seal the inside of the electromagnetic valve, thereby increasing the firmness of the electromagnetic valve and prolonging the service life of the electromagnetic valve, a bolt 22 sequentially penetrates through a jack at the bottom of one side of the main valve core 12 and a jack at the bottom of one side of the pilot small valve core 14, the bottom of the main valve core 12 is connected with the main valve core sealing piece 11 in a clamping way, a main valve core gasket 10 is sleeved below the main valve core 12, a valve cover gasket 9 is sleeved at the bottom of one side with the largest diameter of the main valve cover 17, a small valve core bushing 18 is connected inside the main valve cover 17 in a clamping way, a reset spring 19 is sleeved outside the pilot small valve core 14, a small valve core bolt 21 is connected to the top of the reset spring 19 in a threaded way, the rotary cover part 4 comprises a guide pipe 25, a movable iron core 26 is connected to the upper part inside the guide pipe 25 in an inserting way, a static iron core 23 is connected to the lower part inside the guide pipe 25 in an inserting way, the outside cover of pipe 25 is equipped with spiral cover 24, and the inside top block of pipe 25 is connected with spiral cover end cap 27, and the bottom fixedly connected with temperature sensor 28 of valve body 1 can detect the inside temperature of valve body 1, conveniently connects the attention device and shows and the high temperature warning to the inside temperature.
In the present invention, preferably, the pilot small valve core 14 penetrates through the inside of the main valve cover 17, the top of the pilot small valve core 14 is located above the main valve cover 17, a sealing ring 20 is disposed between the pilot small valve core 14 and a small valve core bolt 21, and two sides of the sealing ring 20 are respectively attached to the small valve core bolt 21 and the pilot small valve core 14, so that the piston electromagnetic valve can be damped, and the service life of the electromagnetic valve can be prevented from being reduced.
In the present invention, preferably, both sides of the bottom of the valve body 1 are communicated with the outside, the inside of the through holes on both sides of the valve body 1 is inserted and connected with the dust cap 8, the top of the main valve cap 17 is hexagonal, the bottom of the hexagonal structure is provided with a widened structure, the widened structure is located above the outer ring of the main valve cap 17, the section of the small valve core bush 18 is T-shaped, and the inside of the small valve core bush 18 and the main valve cap 17 are provided with through holes.
In the invention, preferably, the main valve core blocking cover 15 is in a C shape and is clamped outside the small pilot valve core 14, the diameter of the bottom of the small pilot valve core 14 is wide, the diameter of the upper part of the small pilot valve core is narrow, the nameplate 6 is attached to the upper part of the electromagnetic coil part 5, the hexagonal nut 7 is connected to the upper part of the top of the electromagnetic coil part 5 in a threaded manner, a plurality of clamping ring grooves are formed in the outer part of the main valve core 12, a plurality of clamping rings are formed in the inner part of the main valve cover 17, the main valve core 12 is inserted in the inner part of the main valve cover 17, the clamping ring groove in the outer part of the main valve core 12 is clamped with the clamping ring in the inner part of the main valve cover 17, the detection end of the temperature sensor 28 is inserted in the inner part of the valve body 1, through holes are formed in the inner parts of the rotary cover plug 27, the movable iron core 26, the conduit 25, the rotary cover 24 and the static iron core 23, and the through holes are communicated with each other.
The working principle and the using process of the invention are as follows: during the use, with solenoid valve intercommunication circuit, the medium is by during shield 8 flows into valve body 1, the inside main valve core sealing member 11 of solenoid valve, main valve core gasket 10, reset spring 19 and sealing washer 20 can carry out the shock attenuation to piston solenoid valve, thereby can avoid reducing the life of solenoid valve, little valve core sealing member 13 and main valve core sealing member 11 can consolidate and seal the inside of solenoid valve, thereby can increase the firmness of solenoid valve, increase the life of solenoid valve, the fixed temperature sensor 28 (the model is CWDZ 31) in bottom of valve body 1 can detect the inside temperature of valve body 1, conveniently connect the attention device and show and high temperature warning to the temperature of inside.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A normally open piston solenoid valve, includes valve body (1), its characterized in that: the inner part of the valve body (1) is connected with a main valve cover part (2) in an inserting way, an electromagnetic coil part (5) is arranged above the main valve cover part (2), the inner part of the electromagnetic coil part (5) is connected with a rotary cover part (4) in an inserting way, the inner part of the rotary cover part (4) is connected with an ejector rod (3) in an inserting way, the bottom of the main valve cover part (2) is fixedly connected with a valve cover gasket (9), the main valve cover part (2) comprises a main valve cover (17), a hole check ring (16) and a main valve core stop cover (15) are arranged in the main valve cover (17), the hole check ring (16) and the main valve core stop cover (15) are connected in an inserting way, a pilot small valve core (14) is arranged below one side of the pilot small valve core (14), the inner part of the inserting hole is connected with a plug (22), the bottom of the pilot small valve core (14) is connected with a small valve core sealing piece (13) in an inserting way, the main valve cover (17) is connected in an inserting way, the hole check ring (16), the hole check ring (15), the plug (14), the small valve core (14) and the main valve core sealing piece (13) and the plug (12) are sequentially arranged on one side of the pilot small valve core (12) and the bottom of the pilot small valve core (12), the bottom of the main valve core (12) is clamped and connected with a main valve core sealing element (11), a main valve core gasket (10) is sleeved under the main valve core (12), the bottom of one side with the largest diameter of the main valve cover (17) is sleeved with a valve cover gasket (9), a small valve core bush (18) is clamped and connected in the main valve cover (17), a return spring (19) is sleeved outside the pilot small valve core (14), the top of the return spring (19) is in threaded connection with a small valve core bolt (21), the screw cap component (4) comprises a guide pipe (25), a movable iron core (26) is inserted and connected with the upper part inside the guide pipe (25), a static iron core (23) is inserted and connected with the lower part of the inner part of the conduit (25), a rotary cover (24) is sleeved outside the conduit (25), a rotary cover plug (27) is clamped and connected above the inside of the conduit (25), the bottom of the valve body (1) is fixedly connected with a temperature sensor (28), the small pilot valve core (14) penetrates through the interior of the main valve cover (17), the top of the small pilot valve core (14) is positioned above the main valve cover (17), a sealing ring (20) is arranged between the pilot small valve core (14) and the small valve core bolt (21), and two sides of the sealing ring (20) are respectively attached to the small valve core bolt (21) and the pilot small valve core (14).
2. A normally open piston solenoid valve as defined in claim 1 wherein: the two sides of the bottom of the valve body (1) are communicated with the outside, and the through holes on the two sides of the valve body (1) are connected with dust covers (8) in an inserting and closing mode.
3. A normally open piston solenoid valve as defined in claim 2 wherein: the top of the main valve cover (17) is hexagonal, the bottom of the hexagonal structure is provided with a widened structure, and the widened structure is located above an outer ring of the main valve cover (17).
4. A normally open piston solenoid valve as defined in claim 3 wherein: the section of the small valve core lining sleeve (18) is T-shaped, and through holes are formed in the small valve core lining sleeve (18) and the main valve cover (17).
5. A normally open piston solenoid valve as defined in claim 4 wherein: the main valve core blocking cover (15) is clamped outside the pilot small valve core (14) in a C shape.
6. A normally open piston solenoid valve as defined in claim 5 wherein: the diameter of the bottom of the pilot small valve core (14) is wide, the diameter of the upper portion of the pilot small valve core is narrow, a nameplate (6) is attached to the upper portion of the electromagnetic coil part (5), and a hexagonal nut (7) is connected to the upper portion of the top of the electromagnetic coil part (5) in a threaded mode.
7. A normally open piston solenoid valve as defined in claim 6 wherein: a plurality of snap ring groove has been seted up to the outside of main valve core (12), a plurality of snap ring has been seted up to the inside of main valve gap (17), main valve core (12) insert in the inside of main valve gap (17), the outside snap ring groove of main valve core (12) with the inside snap ring block of main valve gap (17).
8. A normally open piston solenoid valve as defined in claim 1 wherein: the detection end of the temperature sensor (28) is inserted into the valve body (1).
9. A normally open piston solenoid valve as defined in claim 7 wherein: the spiral cover plug (27), the movable iron core (26), the guide pipe (25), the spiral cover (24) and the static iron core (23) are all provided with through holes, and the through holes are communicated with one another.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110794599.0A CN113374873B (en) | 2021-07-14 | 2021-07-14 | Normally open type piston solenoid valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110794599.0A CN113374873B (en) | 2021-07-14 | 2021-07-14 | Normally open type piston solenoid valve |
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| CN113374873A CN113374873A (en) | 2021-09-10 |
| CN113374873B true CN113374873B (en) | 2022-11-01 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201306512Y (en) * | 2008-11-17 | 2009-09-09 | 上海丹尼逊液压件有限公司 | Cushion valve |
| CN210978721U (en) * | 2019-11-01 | 2020-07-10 | 济南蓝信电子设备有限公司 | Internet of things solenoid valve |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3927145B2 (en) * | 2003-04-04 | 2007-06-06 | 和宏 本田 | Pilot solenoid valve |
| CN201133472Y (en) * | 2007-08-24 | 2008-10-15 | 姚大华 | Low-heat energy-saving electromagnetic valve |
| CN202381810U (en) * | 2011-12-31 | 2012-08-15 | 浙江永久科技实业有限公司 | Explosion-proof solenoid valve |
| CN205190901U (en) * | 2015-11-23 | 2016-04-27 | 浙江理工大学 | CNG car is with case subassembly of high -pressure guide's solenoid valve |
| CN106051188B (en) * | 2016-08-11 | 2018-03-27 | 大连世安科技股份有限公司 | A kind of magnetic valve |
| CN106523578A (en) * | 2016-12-16 | 2017-03-22 | 贵州红林机械有限公司 | Pilot type flow proportional solenoid valve for CDC shock absorber system |
| CN212672428U (en) * | 2020-07-06 | 2021-03-09 | 重庆凯铂瑞阀门有限公司 | Double-magnetic-combination step-by-step electromagnetic valve |
| CN113048243A (en) * | 2021-02-22 | 2021-06-29 | 西安航天远征流体控制股份有限公司 | Valve body and step-by-step direct-acting electromagnetic valve |
-
2021
- 2021-07-14 CN CN202110794599.0A patent/CN113374873B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201306512Y (en) * | 2008-11-17 | 2009-09-09 | 上海丹尼逊液压件有限公司 | Cushion valve |
| CN210978721U (en) * | 2019-11-01 | 2020-07-10 | 济南蓝信电子设备有限公司 | Internet of things solenoid valve |
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| CN113374873A (en) | 2021-09-10 |
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