CN210344334U

CN210344334U - Electromagnetic valve

Info

Publication number: CN210344334U
Application number: CN201920999458.0U
Authority: CN
Inventors: 陈烨栩; 陈光海; 周彩霞
Original assignee: Zhuji Shangzheng Machinery Co Ltd
Current assignee: Zhuji Shangzheng Machinery Co Ltd
Priority date: 2019-06-30
Filing date: 2019-06-30
Publication date: 2020-04-17
Anticipated expiration: 2029-06-30

Abstract

The utility model discloses a solenoid valve, which comprises a valve body, a connecting pipe, a magnetism isolating pipe, a piston, a partition plate, a top ring, a sliding sleeve, a shell, a conduit, an electromagnet, a fixed iron core, a movable iron core, a connecting rod and a spring, wherein the connecting pipe is fixed on the upper surface of the valve body, the magnetism isolating pipe is fixed on the inner wall of the connecting pipe through a bolt, the piston is connected with the inner wall of the magnetism isolating pipe in a sliding way, the partition plate is fixed on the inner wall of the valve body, a water through hole is arranged in the middle of the partition plate, the top ring is fixed at one end of the partition plate close to the water through hole, the bottom of the piston is contacted with the top ring, the sliding sleeve is fixed on the inner wall at the upper end of the magnetism isolating pipe, the shell is fixed on the middle of the inner wall of the shell, the electromagnet, and the maximum flow of the electromagnetic valve can be adjusted, so that the electromagnetic valve is convenient for people to use.

Description

Electromagnetic valve

Technical Field

The utility model relates to a solenoid valve technical field, concretely relates to solenoid 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 electromagnetic valve is provided, wherein different electromagnetic valves play a role in different positions of a control system, the most common electromagnetic valves are a one-way valve, a safety valve, a direction control valve, a speed regulating valve and the like, when the existing electromagnetic valve is powered off, the magnetic force of an electromagnet in the electromagnetic valve disappears, so that a valve body is closed, people cannot open the electromagnetic valve, the electromagnetic valve is inconvenient to use by people, and the maximum flow of the electromagnetic valve cannot be regulated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a solenoid valve which can be manually opened and closed and can adjust the flow, which comprises a valve body, a connecting pipe, a magnetism isolating pipe, a piston, a separating plate, a top ring, a sliding sleeve, a shell, a conduit, an electromagnet, a fixed iron core, a movable iron core, a connecting rod and a spring, wherein the upper surface of the valve body is fixed with the connecting pipe, the inner wall of the connecting pipe is fixed with the magnetism isolating pipe through a bolt, the inner wall of the magnetism isolating pipe is connected with the piston in a sliding way, the inner wall of the valve body is fixed with the separating plate, the middle part of the separating plate is provided with a water through hole, one end of the separating plate close to the water through hole is fixed with the top ring, the bottom of the piston is contacted with the top ring, the inner wall of the upper end of the magnetism isolating pipe is fixed with the sliding sleeve, the utility model discloses a guide pipe inner wall, including pipe inner wall, guide pin bushing, movable iron core, connecting rod and piston fixed connection, pipe inner wall lower extreme sliding connection has movable iron core, and movable iron core and guide pin bushing sliding connection, movable iron core bottom is fixed with the connecting rod, and connecting rod and piston fixed connection, fixed iron core bottom is fixed with the spring, and the spring is close to movable iron core's one end and movable iron core fixed connection.

As preferred, fixed iron core middle part is the cavity setting, fixed iron core middle part sliding connection has the threaded rod, and the threaded rod is located the spring middle part, the shell top is fixed with threaded sleeve, and threaded rod and threaded sleeve threaded connection, the spout has been seted up at activity iron core upper surface middle part, spout inner wall sliding connection has the slide bar, the slide bar top is passed the spout and is passed through the bearing and be connected with the threaded rod rotation.

Preferably, the sliding blocks are symmetrically fixed at the bottoms of the sliding rods, the inner walls of the sliding grooves are symmetrically provided with limiting grooves matched with the sliding blocks, and the sliding blocks are connected with the limiting grooves in a sliding mode.

Preferably, a gasket is fixedly embedded in the bottom of the piston, and the top ring is in contact with the gasket.

Preferably, the top of the threaded rod is fixed with a knob through a threaded sleeve.

The utility model has the advantages that:

1. when the device is powered off, the electromagnet can not be powered on to open the valve, and then people rotate the knob to drive the threaded rod to rotate, so that the threaded rod moves upwards to transfer the slide rod to move upwards, the slide block on the slide rod slides in the limit groove in the movable iron core, and when the slide block slides to the top of the limit groove, the slider drives movable iron core upward movement, and then sealed pad on the piston breaks away from with the apical ring, and then makes the valve open, and this device can be manually opened the solenoid valve after the equipment outage to people use.

2. When people need to adjust the maximum flow of the electromagnetic valve, the threaded rod is rotated in the threaded sleeve by rotating the knob, so that the slide rod is driven to move, the position of the slide block on the slide rod is adjusted, the movable iron core can only slide the distance between the slide block and the bottommost part of the limiting groove, the maximum movement range of the piston can be adjusted, and the maximum flow of the electromagnetic valve can be adjusted.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic sectional view of the whole structure of the present invention;

fig. 2 is a schematic view of the sectional structure of the movable iron core of the present invention.

In the figure: 1. a valve body; 2. a connecting pipe; 3. a magnetism isolating pipe; 4. a piston; 5. a partition plate; 6. a top ring; 7. a sliding sleeve; 8. a housing; 9. a conduit; 10. an electromagnet; 11. fixing the iron core; 12. a movable iron core; 13. a connecting rod; 14. a spring; 15. a threaded rod; 16. a threaded sleeve; 17. a slide bar; 18. a slider; 19. a limiting groove; 20. a gasket; 21. a knob.

Detailed Description

Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The electromagnetic valve shown in fig. 1-2 comprises a valve body 1, a connecting pipe 2, a magnetism isolating pipe 3, a piston 4, a partition plate 5, a top ring 6, a sliding sleeve 7, a shell 8, a conduit 9, an electromagnet 10, a fixed iron core 11, a movable iron core 12, a connecting rod 13 and a spring 14, wherein the connecting pipe 2 is fixed on the upper surface of the valve body 1, the magnetism isolating pipe 3 is fixed on the inner wall of the connecting pipe 2 through a bolt, the piston 4 is connected on the inner wall of the magnetism isolating pipe 3 in a sliding manner, the partition plate 5 is fixed on the inner wall of the valve body 1, a water through hole is formed in the middle of the partition plate 5, the top ring 6 is fixed at one end of the partition plate 5 close to the water through hole, the bottom of the piston 4 is in contact with the top ring 6, the sliding sleeve 7 is fixed on the inner wall of the upper end of the magnetism isolating pipe 3, the shell, 9 inner wall upper ends of pipe are fixed with fixed

iron core

11, 9 inner wall lower extreme sliding connection of pipe have movable iron core 12, and movable iron core 12 and guide pin bushing sliding connection, movable iron core 12 bottom is fixed with connecting rod 13, and connecting rod 13 and piston 4 fixed connection, fixed iron core 11 bottom is fixed with spring 14, and spring 14 is close to movable iron core 12's one end and movable iron core 12 fixed connection.

Fixed iron core 11 middle part is the cavity setting, fixed iron core 11 middle part sliding connection has threaded rod 15, and threaded rod 15 is located spring 14 middle part, 8 tops of shell are fixed with threaded sleeve 16, and threaded rod 15 and threaded sleeve 16 threaded connection, the spout has been seted up at movable iron core 12 upper surface middle part, spout inner wall sliding connection has slide bar 17, slide bar 17 top is passed the spout and is passed through the bearing and be connected with 15 rotations of threaded rod, this valve of the manual opening and shutting of people of being convenient for.

The bottom of the sliding rod 17 is symmetrically fixed with sliding blocks 18, the inner wall of the sliding groove is symmetrically provided with limiting grooves 19 matched with the sliding blocks 18, and the sliding blocks 18 are connected with the limiting grooves 19 in a sliding mode, so that the sliding rod 17 is limited conveniently, and the sliding rod 17 drives the movable iron core 12 to move.

The bottom of the piston 4 is fixedly embedded with a sealing gasket 20, and the top ring 6 is in contact with the sealing gasket 20, so that the sealing between the piston 4 and the top ring 6 is facilitated.

The top of the threaded rod 15 penetrates through the threaded sleeve 16 and is fixed with a knob 21, so that people can rotate the threaded rod 15 conveniently.

The working principle of the specific embodiment is as follows: when the device is used, the electromagnet 10 is powered on, so that the fixed iron core 11 generates magnetic force, the movable iron core 12 is adsorbed, the movable iron core 12 moves towards the fixed iron core 11, the movable iron core 12 extrudes the spring 14, the movable iron core 12 drives the piston 4 to move upwards through the connecting rod 13, the sealing gasket 20 on the piston 4 is separated from the top ring 6 on the partition plate 5, so that water flows through the partition plate 5, when the electromagnet 10 is powered off, the movable iron core 12 moves downwards under the action of the spring 14, the sealing gasket 20 on the piston 4 is pressed on the top ring 6, the partition plate 5 is sealed, the valve is closed, when the device is powered off, the electromagnet 10 cannot be powered on to open the valve, at the moment, the knob 21 is rotated by people, the threaded rod 15 is driven to rotate, the threaded rod 15 moves upwards, the slide rod 17 is driven to move upwards, and the slide block 18 on the slide rod 17 slides in the limiting groove 19 in, when the sliding block 18 slides to the top of the limiting groove 19, the sliding block 18 drives the movable iron core 12 to move upwards, and then the sealing gasket 20 on the piston 4 is separated from the top ring 6, so that the valve is opened.

The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.

Claims

1. The utility model provides a solenoid valve, includes valve body (1), connecting pipe (2), magnet tube (3), piston (4), division board (5), apical ring (6), sliding sleeve (7), shell (8), pipe (9), electro-magnet (10), fixed iron core (11), movable iron core (12), connecting rod (13) and spring (14), its characterized in that: the upper surface of the valve body (1) is fixed with a connecting pipe (2), the inner wall of the connecting pipe (2) is fixed with a magnetism isolating pipe (3) through bolts, the inner wall of the magnetism isolating pipe (3) is connected with a piston (4) in a sliding manner, the inner wall of the valve body (1) is fixed with a partition plate (5), a water through hole is formed in the middle of the partition plate (5), one end, close to the water through hole, of the partition plate (5) is fixed with a top ring (6), the bottom of the piston (4) is in contact with the top ring (6), the inner wall of the upper end of the magnetism isolating pipe (3) is fixed with a sliding sleeve (7), the top of the sliding sleeve (7) is fixed with a shell (8), the middle part of the inner wall of the shell (8) is fixed with a guide pipe (9), the outer side of the guide pipe (9) is sleeved with an electromagnet (10), and activity iron core (12) and guide pin bushing sliding connection, activity iron core (12) bottom is fixed with connecting rod (13), and connecting rod (13) and piston (4) fixed connection, fixed iron core (11) bottom is fixed with spring (14), and spring (14) are close to the one end and the activity iron core (12) fixed connection of activity iron core (12).

2. A solenoid valve according to claim 1, wherein: fixed iron core (11) middle part is the cavity setting, fixed iron core (11) middle part sliding connection has threaded rod (15), and threaded rod (15) are located spring (14) middle part, shell (8) top is fixed with threaded sleeve (16), and threaded rod (15) and threaded sleeve (16) threaded connection, the spout has been seted up at activity iron core (12) upper surface middle part, spout inner wall sliding connection has slide bar (17), slide bar (17) top is passed the spout and is passed through bearing and threaded rod (15) and rotate and be connected.

3. A solenoid valve according to claim 2, wherein: the sliding rod (17) is fixed with the slider (18) in the bottom symmetry, the spout inner wall symmetry is seted up and is seted up with slider (18) matched with spacing groove (19), and slider (18) and spacing groove (19) sliding connection.

4. A solenoid valve according to claim 1, wherein: and a sealing gasket (20) is fixedly embedded at the bottom of the piston (4), and the top ring (6) is in contact with the sealing gasket (20).

5. A solenoid valve according to claim 2, wherein: the top of the threaded rod (15) penetrates through the threaded sleeve (16) and is fixed with a knob (21).