CN215410251U

CN215410251U - Manual-automatic integrated pilot piston electromagnetic valve with high sealing performance and error prevention effect

Info

Publication number: CN215410251U
Application number: CN202120712431.6U
Authority: CN
Inventors: 季善宏; 夏克洲
Original assignee: Shanghai Juliang Solenoid Valve Manufacture Co ltd
Current assignee: Shanghai Juliang Solenoid Valve Manufacture Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2022-01-04
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a manual-automatic integrated pilot-operated type piston electromagnetic valve with high sealing performance and error prevention effect, which comprises a valve body and an electromagnetic driving mechanism, wherein one end of the valve body is provided with a channel, the other end of the valve body is internally provided with an air cavity, one end of the air cavity is provided with a pressure relief pipe, one end of the electromagnetic driving mechanism is provided with a pilot valve, one end of the valve body, which is close to the air cavity, is provided with a cavity, the cavity is positioned at the upper part of the air cavity, the inner wall of the bottom of the cavity is fixedly connected with a spring, the top of the cavity is provided with an air guide channel, the air guide channel is communicated with the channel where the pilot valve is positioned, one side of the outer wall of the bottom of the cavity is provided with a piston ring, and two corners of the outer wall of the top of the cavity are both provided with leakage stopping plugs. The piston ring and the leakage-stopping plug can enhance the air tightness of the cavity, so that the sensitivity of the electromagnetic valve during working is improved, and the reaction speed of the electromagnetic driving mechanism can be increased by arranging the electromagnetic core in the electromagnetic pipe at the bottom.

Description

Manual-automatic integrated pilot piston electromagnetic valve with high sealing performance and error prevention effect

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to a manual-automatic integrated pilot type piston electromagnetic valve with high sealing performance and an error-proof effect.

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 include a pilot type solenoid valve and a direct acting type solenoid valve, etc.

The problem that the existing pilot-operated solenoid valve may have poor sealing effect during operation and then the pilot-operated solenoid valve cannot work normally after working for a long time is solved by designing a manual-automatic pilot-operated piston solenoid valve with high sealing performance and error prevention effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a manual-automatic integrated pilot type piston electromagnetic valve which is high in sealing performance and has an error-proof effect.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the manual-automatic pilot operated type piston electromagnetic valve is high in sealing performance and has an error-proofing effect, and comprises a valve body and an electromagnetic driving mechanism, wherein a channel is formed in one end of the valve body, an air cavity is formed in the other end of the valve body, a pressure relief pipe is arranged at one end of the air cavity, a pilot valve is arranged at one end of the electromagnetic driving mechanism, the pilot valve is in contact with the pressure relief pipe, a cavity is formed in one end, close to the air cavity, of the valve body, the cavity is located on the upper portion of the air cavity, a spring is fixedly connected to the inner wall of the bottom of the cavity, an air guide channel is arranged at the top of the cavity and is communicated with the channel where the pilot valve is located, a piston ring is arranged on one side of the outer wall of the bottom of the cavity, and two corners of the outer wall of the top of the cavity are provided with leakage-stopping plugs.

Furthermore, the electromagnetic driving mechanism comprises two electromagnetic tubes, an electromagnetic iron core, two return springs and a coil, wherein one return spring is fixed at one end of one of the electromagnetic tubes, and the other return spring extends into the other electromagnetic tube.

Furthermore, the electromagnetic core is fixed between the two reset springs, and the coil cage is covered outside the electromagnetic core.

Further, two electromagnetic tubes are located inside the channel.

Furthermore, one side of the valve body is provided with an outlet seal.

Further, the one end that the pilot valve was kept away from to the solenoid extends to valve body one end outer wall, the solenoid that extends to the outside of valve body one end is provided with the threaded rod, and the outside rotation of threaded rod is connected with the knob, pass through bolted connection between knob and the valve body one end.

The utility model has the beneficial effects that:

1. this leading formula piston solenoid valve through being provided with piston ring and leak-stopping stopper, when leading formula piston solenoid valve functions, makes the gas tightness of cavity obtain improving greatly, makes gaseous can not spread when flowing in the solenoid valve to make the solenoid valve can react rapidly, can in time open and close rapidly, improve the operating sensitivity of solenoid valve.

2. This guide's formula piston solenoid valve is located inside an electromagnetic tube through setting up electromagnetic core and a reset spring, when the coil was switched on and is driven electromagnetic core and remove, because electromagnetic core is located inside this electromagnetic tube of drive that can make electromagnetic core more rapid motion of electromagnetic core, makes the whole reaction rate of this solenoid valve obtain promoting.

3. This guide's formula piston solenoid valve through being provided with threaded rod and knob, can drive the threaded rod through manual rotation knob and rotate to the pulling solenoid opens the pilot valve then, realizes closing of manual control solenoid valve, reaches the purpose of manual-automatic an organic whole.

Drawings

FIG. 1 is a schematic side view of a manual-automatic pilot operated solenoid valve with high sealing performance and error protection according to the present invention;

fig. 2 is a schematic diagram of an internal cross-sectional structure of a manual-automatic integrated pilot operated piston solenoid valve with high sealing performance and error-proofing effect according to the present invention.

In the figure: 1. a valve body; 2. a cavity; 3. outgoing line sealing; 4. a coil; 5. a spring; 7. a piston ring; 8. A leakage-stopping plug; 9. an air guide channel; 10. an electromagnetic core; 11. a return spring; 12. an electromagnetic tube; 14. a pilot valve; 15. a pressure relief pipe; 16. an air cavity; 17. a knob.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-2, a manual-automatic formula piston solenoid valve that leads of high leakproofness and mistake proofing effect has, including valve body 1 and electromagnetic drive mechanism, the passageway has been seted up to valve body 1 one end, valve body 1 other end is inside to be seted up air cavity 16, and air cavity 16 one end is provided with pressure release pipe 15, electromagnetic drive mechanism one end is provided with pilot valve 14, and pilot valve 14 contacts with pressure release pipe 15, cavity 2 has been seted up to valve body 1 one end near air cavity 16, and cavity 2 is located air cavity 16 upper portion, there is spring 5 cavity 2 bottom inner wall through bolted connection, cavity 2 top is provided with air guide channel 9, and air guide channel 9 is put through with the passageway at pilot valve 14 place mutually, cavity 2 bottom outer wall one side is provided with piston ring 7, cavity 2 top outer wall both corners all are provided with leak-stopping plug 8.

Wherein, electromagnetic drive mechanism includes two solenoid 12, electromagnet core 10, two reset spring 11 and coil 4, and one of them solenoid 12 one end is fixed in to one reset spring 11, and inside another reset spring 11 extended to another solenoid 12, solenoid 12 bottom and pilot valve 14 fixed connection, drive solenoid 12 that can be timely when coil 4 circular telegram drives electromagnet core 10 and moves, promote the reaction rate of solenoid valve.

Wherein, electromagnet core 10 is fixed between two reset springs 11, and coil 4 covers outside electromagnet core 10.

Wherein both solenoids 12 are located inside the tunnel.

Wherein, valve body 1 one side is provided with the wire seal 3 of being qualified for the next round of competitions, can conclude the wire to the coil 4 circular telegram, avoids the pencil confusion.

Wherein, the one end that pilot valve 14 was kept away from to solenoid 12 extends to 1 one end outer wall of valve body, and solenoid 12 that extends to the outside of 1 one end of valve body is provided with the threaded rod, and the outside rotation of threaded rod is connected with knob 17, through bolted connection between

knob

17 and 1 one end of valve body, can drive the threaded rod through manual rotation knob 17 and rotate to pulling solenoid 12 opens pilot valve 14 then, realizes closing of manual control solenoid valve, reaches the purpose of manual-automatic an organic whole.

The working principle is as follows: when the electromagnetic valve is used, the coil 4 is electrified firstly, then the coil 4 generates magnetic force to drive the electromagnetic iron core 10 to move so as to drive the electromagnetic tube 12 below to move, the pilot valve 14 is pulled, air pressure in the air cavity 16 is enabled to extrude the spring 5 along the air guide channel 9 through the pressure relief pipe 15, the spring 5 pushes the valve rod, the valve rod and the valve port are enabled to be staggered, an oil path is enabled to be smooth, the electromagnetic valve works normally, when the electromagnetic valve needs to be closed, a power supply is directly disconnected, the electromagnetic tube 12 extrudes the pilot valve 14 under the action of the reset spring 11 to disconnect the air guide channel 9 and the pressure relief pipe 15, the spring 5 pulls the valve rod to close the valve port under the action of elastic force, the oil path is disconnected, the arranged piston ring 7 and the leakage stop plug 8 can enhance the air tightness of the cavity 2, the electromagnetic valve is enabled to maintain high air tightness during working, and the sensitivity of the electromagnetic valve is improved.

The control mode of the utility model is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the utility model.

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 equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A manual-automatic integrated pilot operated type piston electromagnetic valve with high sealing performance and error prevention effect comprises a valve body (1) and an electromagnetic driving mechanism, and is characterized in that a channel is formed in one end of the valve body (1), an air cavity (16) is formed in the other end of the valve body (1), a pressure relief pipe (15) is arranged at one end of the air cavity (16), a pilot valve (14) is arranged at one end of the electromagnetic driving mechanism, the pilot valve (14) is in contact with the pressure relief pipe (15), a cavity (2) is formed in one end, close to the air cavity (16), of the valve body (1), the cavity (2) is located on the upper portion of the air cavity (16), a spring (5) is fixedly connected to the inner wall of the bottom of the cavity (2), an air guide channel (9) is formed in the top of the cavity (2), the air guide channel (9) is communicated with the channel where the pilot valve (14) is located, and a piston ring (7) is arranged on one side of the outer wall of the bottom of the cavity (2), and two corners of the outer wall of the top of the cavity (2) are provided with leakage stopping plugs (8).

2. The manual-automatic pilot operated piston solenoid valve with high sealing performance and error proofing effect according to claim 1 is characterized in that the electromagnetic driving mechanism comprises two electromagnetic tubes (12), an electromagnetic iron core (10), two return springs (11) and a coil (4), one return spring (11) is fixed at one end of one of the electromagnetic tubes (12), and the other return spring (11) extends into the other electromagnetic tube (12).

3. The manual-automatic pilot operated piston solenoid valve with high sealing performance and error proofing effect as claimed in claim 2, wherein said solenoid core (10) is fixed between two return springs (11), and said coil (4) is covered outside the solenoid core (10).

4. A highly sealed fail-safe pilot operated piston solenoid valve as claimed in claim 3 wherein both of said solenoid valves (12) are located within the passage.

5. The manual-automatic pilot operated type piston solenoid valve with high sealing performance and error-proof effect as claimed in claim 1, characterized in that one side of the valve body (1) is provided with an outlet seal (3).

6. The manual-automatic pilot operated type piston solenoid valve with high sealing performance and error proofing effect as claimed in claim 2, wherein one end of the solenoid (12) far away from the pilot valve (14) extends to the outer wall of one end of the valve body (1), the solenoid (12) extending to the outside of one end of the valve body (1) is provided with a threaded rod, the outside of the threaded rod is rotatably connected with a knob (17), and the knob (17) is connected with one end of the valve body (1) through a bolt.