CN220435451U

CN220435451U - High-temperature high-pressure zero-leakage electromagnetic valve

Info

Publication number: CN220435451U
Application number: CN202321777210.2U
Authority: CN
Inventors: 黄青南
Original assignee: Ningbo Lide Automation Equipment Manufacturing Co ltd
Current assignee: Ningbo Lide Automation Equipment Manufacturing Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-02-02
Anticipated expiration: 2033-07-07

Abstract

The utility model relates to the technical field of electromagnetic valves and discloses a high-temperature high-pressure zero-leakage electromagnetic valve, which comprises a valve body, wherein a sealing end for controlling the valve body to be sealed and opened is arranged in the valve body; the upper end of the sealing mechanism is connected with the sealing end in the valve body; the utility model discloses effectually solved the solenoid valve and used the back for a long time under high temperature high pressure environment, the fracture phenomenon can take place for the spring can't promote sealed end and seal in to the solenoid valve, lead to the solenoid valve to take place to reveal, make the solenoid valve can take place to continue the problem of revealing the phenomenon.

Description

High-temperature high-pressure zero-leakage electromagnetic valve

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to a high-temperature high-pressure zero-leakage electromagnetic valve.

Background

Solenoid valves are electromagnetic controlled industrial equipment, are automatic basic elements for controlling fluids, and belong to actuators, not limited to hydraulic and pneumatic. For use in industrial control systems to adjust the direction, flow, velocity and other parameters of the medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. Solenoid valves are many, and different solenoid valves function at different locations in the control system, most commonly one-way valves, safety valves, directional control valves, speed regulating valves, and the like. The electromagnetic valve is also used in a high-pressure high-temperature environment, and is suitable for the electromagnetic valve with high temperature resistance and high pressure resistance in the market in the high-temperature high-pressure environment.

At present, when the electromagnetic valve is not electrified, the sealing end on the electromagnetic valve enables electromagnetic energy to be in a closed sealing state through the spring, but after the electromagnetic valve is used in a high-temperature high-pressure environment for a long time, the spring can easily break, the spring can not push the sealing end to seal the electromagnetic valve, leakage of the electromagnetic valve is caused, and continuous leakage of the electromagnetic valve is caused.

Disclosure of Invention

The utility model aims to solve the problems that after the electromagnetic valve in the prior art is used in a high-temperature and high-pressure environment for a long time, the spring is easy to break, so that the spring cannot push the sealing end to seal the electromagnetic valve, the electromagnetic valve leaks, and the electromagnetic valve continuously leaks.

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

the high-temperature high-pressure zero-leakage electromagnetic valve comprises a valve body, wherein a sealing end for controlling the valve body to be sealed and opened is arranged in the valve body, a sealing pipe is arranged below the outer surface of the valve body, and a sealing mechanism for driving the sealing end to seal the valve body is arranged on the sealing pipe;

the upper end of the sealing mechanism is connected with the sealing end in the valve body.

Preferably, the sealing mechanism comprises an outer shell and a moving rod, a pulling plate is arranged at the upper end of the moving rod, a first sealing ring is arranged in the lower portion of the outer shell, the upper end of the moving rod is movably arranged in the outer shell, and a rotating plate is connected below the outer surface of the moving rod.

Preferably, the sealing end is provided with a fixing groove, the outer shell is fixed in the fixing groove, a second sealing ring is arranged in the lower portion of the fixing groove, the moving rod is arranged in the second sealing ring, the upper end of the moving rod can move in the outer shell, the outer shell can be pulled to move through the pulling plate, and the sealing end on the valve body can be pulled to move downwards integrally through the outer shell to seal the valve body stably.

Preferably, a sealing hole is formed in the lower portion of the outer surface of the valve body, a sealing ring III is arranged in the upper portion of the sealing hole, a sealing ring IV is arranged in the lower portion of the sealing hole, the upper end of the moving rod penetrates through the sealing ring III and the sealing ring IV to be located in a fixing groove, and sealing treatment is carried out on the moving rod through the sealing ring III and the sealing ring IV.

Preferably, the through hole is formed in the lower end of the sealing tube, the lower end of the moving rod penetrates through the third sealing ring, the fourth sealing ring and the through hole to be located outside the sealing tube, and the moving rod can be subjected to sealing treatment when penetrating through the through hole through the third sealing ring and the fourth sealing ring.

Preferably, the external screw thread is arranged below the outer surface of the movable rod, a threaded hole is formed in the middle of the rotary plate, an internal screw thread is arranged on the inner surface of the threaded hole, the rotary plate is in threaded connection with the movable rod, and the rotary plate can drive the movable rod to move up and down when rotating through threaded fit connection between the rotary plate and the movable rod.

Preferably, a connecting groove is formed above the rotating plate, a connecting end protrudes from the lower end of the sealing tube, and the connecting end is positioned in the connecting groove and connected with the rotating plate.

Preferably, the rotating plate is rotatably connected with the connecting end, and the rotating plate can be rotatably connected on the rotating plate through the rotating connection between the rotating plate and the connecting pipe.

Preferably, a plurality of anti-slip blocks are arranged on the outer surface of the rotating plate at equal intervals, and friction force between fingers and the rotating plate can be increased through the anti-slip blocks, so that a worker can conveniently rotate the rotating plate.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model discloses a sealing mechanism who sets up can seal the sealed end on the unable promotion solenoid valve of spring fracture and take place to reveal the condition when, can stimulate the sealed end downwardly moving on the solenoid valve for sealed end can in time carry out urgent sealing to the solenoid valve and prevent to take place to reveal, thereby avoid continuously taking place to reveal the phenomenon.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of a portion of the structure of the present utility model;

FIG. 3 is a structural view of the sealing mechanism of the present utility model;

FIG. 4 is a partial cross-sectional view of the front surface of the present utility model;

FIG. 5 is an enlarged view of FIG. 4A in accordance with the present utility model;

fig. 6 is an enlarged view of fig. 4 at B in accordance with the present utility model.

Description of the figure: 1. a valve body; 2. a sealing mechanism; 21. a moving rod; 22. pulling a plate; 23. an outer housing; 24. a rotating plate; 25. a connecting groove; 26. an anti-skid block; 27. an external thread; 28. a threaded hole; 3. sealing the tube; 4. a connection end; 5. a through hole; 6. a first sealing ring; 7. a second sealing ring; 8. a third sealing ring; 9. a sealing ring IV; 10. a fixing groove.

Detailed Description

The present utility model is described in further detail below with reference to the accompanying drawings.

The following description is presented to enable one of ordinary skill in the art to practice the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positions based on the orientation or positional relationship shown in the drawings, which are merely for convenience in describing the present simplified description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms are not to be construed as limiting the present utility model.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

Examples:

referring to fig. 1-6, a high temperature and high pressure zero leakage electromagnetic valve comprises a valve body 1, wherein a sealing end for controlling the valve body 1 to be sealed and opened and closed is arranged in the valve body 1, a sealing tube 3 is arranged below the outer surface of the valve body 1, and a sealing mechanism 2 for driving the sealing end to seal the valve body 1 is arranged on the sealing tube 3;

the upper end of the sealing mechanism 2 is connected with the sealing end in the valve body 1.

The sealing mechanism 2 comprises an outer shell 23 and a moving rod 21, wherein a pulling plate 22 is arranged at the upper end of the moving rod 21, a first sealing ring 6 is arranged in the lower part of the outer shell 23, the upper end of the moving rod 21 is movably arranged in the outer shell 23, and a rotating plate 24 is connected below the outer surface of the moving rod 21.

The sealing end is provided with a fixing groove 10, the outer shell 23 is fixed in the fixing groove 10, a second sealing ring 7 is arranged in the lower part of the fixing groove 10, the moving rod 21 is positioned in the second sealing ring 7, the upper end of the moving rod 21 can move in the outer shell 23, the outer shell 23 can be pulled to move through the pulling plate 22, and the sealing end on the valve body 1 can be pulled to wholly move downwards through the outer shell 23 to seal the valve body 1 stably.

A sealing hole is formed below the outer surface of the valve body 1, a sealing ring III 8 is arranged in the upper part of the sealing hole, a sealing ring IV 9 is arranged in the lower part of the sealing hole, the upper end of the moving rod 21 passes through the sealing ring III 8 and the sealing ring IV 9 to be positioned in the fixing groove 10, and the moving rod 21 is sealed through the sealing ring III 8 and the sealing ring IV 9

The through hole 5 has been seted up to sealed tube 3 lower extreme, and the dead lever 21 lower extreme passes sealing washer three 8, sealing washer four 9 and through-hole 5 is located sealed tube 3 outside for the dead lever 21 can carry out sealing treatment to the dead lever 21 when passing through-hole 5 through sealing washer three 8 and sealing washer four 9.

The external screw thread 27 is arranged below the outer surface of the movable rod 21, the threaded hole 28 is formed in the middle of the rotary plate 24, the internal screw thread is arranged on the inner surface of the threaded hole 28, the rotary plate 24 is in threaded connection with the movable rod 21, and the rotary plate 24 can drive the movable rod 21 to move up and down when rotating through threaded fit connection between the rotary plate 24 and the movable rod 21.

A connecting groove 25 is formed above the rotating plate 24, a connecting end 4 protrudes from the lower end of the sealing tube 3, and the connecting end 4 is positioned in the connecting groove 25 and connected with the rotating plate 24.

The rotary plate 24 is rotatably connected to the connection end 4, so that the rotary plate 24 can be rotatably connected to the connection end 4 by the rotary connection between the rotary plate 24 and the connection pipe.

The rotor plate 24 surface equidistance is equipped with a plurality of non slipping blocks 26, can increase the frictional force between finger and the rotor plate 24 through a plurality of non slipping blocks 26, and the staff of being convenient for rotates rotor plate 24.

The utility model discloses when using, when the solenoid valve starts, coil on the valve body 1 can make the sealed end upwards move for the solenoid valve is opened, when the solenoid valve is closed, make the sealed end reset through self to the spring, make the solenoid valve be in closed condition, spring fatigue fracture in the solenoid valve makes the sealed end can't carry out inseparable sealedly to the valve body 1, when the solenoid valve takes place to reveal, rotate rotor plate 24, rotor plate 24 drives movable rod 21 and moves down, when movable rod 21 moves down to arm-tie 22 and the inside lower extreme contact of shell body 23, can be through arm-tie 22 pulling shell body 23 downwardly moving, then the sealed end downwardly moving of pulling, make sealed end can be inseparable seal valve body 1, thereby avoid valve body 1 can not close because the fracture of the spring, can carry out urgent closure to the solenoid valve, prevent that the solenoid valve from continuously taking place to reveal the phenomenon.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims

1. The utility model provides a zero leakage solenoid valve of high temperature high pressure, includes valve body (1), be equipped with the sealed end that is used for controlling sealed opening and shutting of valve body (1) in valve body (1), its characterized in that: a sealing tube (3) is arranged below the outer surface of the valve body (1), and a sealing mechanism (2) for driving a sealing end to seal the valve body (1) is arranged on the sealing tube (3);

the upper end of the sealing mechanism (2) is connected with the sealing end in the valve body (1).

2. The high temperature, high pressure zero leakage solenoid valve of claim 1, wherein: the sealing mechanism (2) comprises an outer shell (23) and a moving rod (21), a pulling plate (22) is arranged at the upper end of the moving rod (21), a sealing ring I (6) is arranged in the lower portion of the outer shell (23), the upper end of the moving rod (21) is movably arranged in the outer shell (23), and a rotating plate (24) is connected below the outer surface of the moving rod (21).

3. The high temperature high pressure zero leakage solenoid valve according to claim 2, wherein: the sealing end is provided with a fixing groove (10), the outer shell (23) is fixed in the fixing groove (10), a second sealing ring (7) is arranged in the lower portion of the fixing groove (10), and the moving rod (21) is positioned in the second sealing ring (7).

4. A high temperature, high pressure zero leakage solenoid valve according to claim 3, wherein: a sealing hole is formed in the lower portion of the outer surface of the valve body (1), a sealing ring III (8) is arranged in the upper portion of the sealing hole, and a sealing ring IV (9) is arranged in the lower portion of the sealing hole.

5. The high temperature, high pressure zero leakage solenoid valve of claim 4, wherein: the lower end of the sealing tube (3) is provided with a through hole (5), and the lower end of the moving rod (21) penetrates through the sealing ring III (8), the sealing ring IV (9) and the through hole (5) to be positioned outside the sealing tube (3).

6. The high temperature, high pressure zero leakage solenoid valve of claim 5, wherein: external threads (27) are arranged below the outer surface of the movable rod (21), a threaded hole (28) is formed in the middle of the rotary plate (24), internal threads are formed in the inner surface of the threaded hole (28), and the rotary plate (24) is in threaded connection with the movable rod (21).

7. The high temperature, high pressure zero leakage solenoid valve of claim 6, wherein: a connecting groove (25) is formed in the upper portion of the rotating plate (24), a connecting end (4) protrudes out of the lower end of the sealing tube (3), and the connecting end (4) is located in the connecting groove (25) and connected with the rotating plate (24).

8. The high temperature, high pressure zero leakage solenoid valve of claim 7, wherein: the rotating plate (24) is rotatably connected with the connecting end (4).

9. The high temperature, high pressure zero leakage solenoid valve of claim 8, wherein: a plurality of anti-skid blocks (26) are equidistantly arranged on the outer surface of the rotating plate (24).