CN210069085U

CN210069085U - Solenoid valve with pressure release function

Info

Publication number: CN210069085U
Application number: CN201920714945.8U
Authority: CN
Inventors: 傅海燕; 李贵勇; 易军
Original assignee: Chengdu Zhida Electrical Manufacturing Co Ltd
Current assignee: Chengdu Zhida Electrical Manufacturing Co Ltd
Priority date: 2019-05-19
Filing date: 2019-05-19
Publication date: 2020-02-14
Anticipated expiration: 2029-05-19

Abstract

The utility model discloses a solenoid valve with pressure release function, which comprises a valve body, the intermediate position department at valve body top is provided with the transmission case, the intermediate position department on the inside top of transmission case is provided with decides unshakable in one's determination, the bottom of deciding unshakable in one's determination is connected with first spring, and decides unshakable in one's determination below and have through first spring coupling and move unshakable in one's determination, it is connected with the valve plate to move unshakable in one's determination bottom, the inside outside that is located to move unshakable in one's determination of transmission case is provided with the coil, one. The utility model discloses a setting up the air release cylinder, when carrying out the pressure release, accessible handle upwards stimulates the pull rod, and the pull rod drives the piston and in the inside upward movement of air release cylinder, and the second spring shrink makes the piston keep away from disappointing mouthful, and disappointing mouthful is in the state of opening, carries out the pressure release, and the back is accomplished in the pressure release, loosens the handle, and the second spring resets, drives the piston downstream through the pull rod, makes the piston plug up disappointing mouthful, and the pressure release is comparatively easy.

Description

Solenoid valve with pressure release function

Technical Field

The utility model relates to the technical field of valves, especially, relate to a solenoid valve with pressure release function.

Background

The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, is not limited to hydraulic pressure and pneumatic pressure, is used for adjusting the direction, flow, speed and other parameters of a medium in an industrial control system, can be matched with different circuits to realize expected control, and can ensure the precision and flexibility of the control.

The existing electromagnetic valve is troublesome in pressure relief, the existing electromagnetic valve is poor in waterproofness, and fluid in the valve easily enters a transmission box.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the solenoid valve with the pressure relief function is provided for solving the problems that the existing solenoid valve is troublesome in pressure relief and poor in waterproofness of the existing solenoid valve.

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

the electromagnetic valve with the pressure relief function comprises a valve body, wherein a transmission case is arranged at the middle position of the top of the valve body, a fixed iron core is arranged at the middle position of the top end in the transmission case, the bottom of the fixed iron core is connected with a first spring, a movable iron core is connected below the fixed iron core through the first spring, a valve plate is connected to the bottom of the movable iron core, a coil is arranged on the outer side of the movable iron core in the transmission case, one side of the top of the valve body is provided with an air relief cylinder communicated with the coil, the bottom ends of two sides of the air relief cylinder are respectively provided with an air relief opening, a piston is movably connected in the air relief cylinder, the top of the piston is connected with a pull rod extending to the upper part of the air relief cylinder, the top of the pull rod is provided with a handle, a second spring is connected between the top of the piston and the air relief cylinder and on the outer side of the pull, two groups of elastic pieces which correspond to each other are arranged at the middle position of the top end in the valve body, and a sealing strip is arranged at the tail end of each elastic piece.

As a further description of the above technical solution:

the both sides of valve body all are provided with the flange, and are provided with the screw hole on the flange.

As a further description of the above technical solution:

and a valve plate groove corresponding to the valve plate is arranged in the middle of the bottom end in the valve body.

As a further description of the above technical solution:

a limiting block is arranged between the handle and the air release cylinder and on the outer side of the pull rod.

As a further description of the above technical solution:

the piston is jointed with the inner wall of the air release cylinder.

As a further description of the above technical solution:

two sets of shell fragment is about valve plate symmetry sets up, and the shell fragment is the downward sloping structure.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up the air release cylinder, when carrying out the pressure release, accessible handle upwards stimulates the pull rod, and the pull rod drives the piston and in the inside upward movement of air release cylinder, and the second spring shrink makes the piston keep away from disappointing mouthful, and disappointing mouthful is in the state of opening, carries out the pressure release, and the back is accomplished in the pressure release, loosens the handle, and the second spring resets, drives the piston downstream through the pull rod, makes the piston plug up disappointing mouthful, and the pressure release is comparatively easy.

2. The utility model discloses in, set up two sets of shell fragments that correspond each other through the top inside the valve body, the end of two sets of shell fragments all is provided with the sealing strip, and the valve body is closed, and valve plate downstream, the shell fragment is propped open to the valve plate, under the effect of shell fragment elasticity, makes the sealing strip closely paste with the valve plate mutually, and the valve body is opened, and valve plate upward movement, shell fragment reset closed can prevent that the fluid in the valve body from getting into in the transmission case.

Drawings

Fig. 1 is a schematic structural view of the electromagnetic valve with pressure relief function according to the present invention in an open state of the valve body;

fig. 2 is a schematic structural view of the electromagnetic valve with pressure relief function according to the present invention in a closed state;

fig. 3 is a schematic view of a partial structure of a solenoid valve with a pressure relief function according to the present invention.

Illustration of the drawings:

1. a valve body; 2. a transmission case; 3. fixing an iron core; 4. a first spring; 5. a movable iron core; 6. a valve plate; 7. a coil; 8. an air release cylinder; 9. an air escape opening; 10. a piston; 11. a pull rod; 12. a second spring; 13. a handle; 14. a shield; 15. a spring plate; 16. a sealing strip; 17. a flange; 18. a valve plate slot; 19. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a solenoid valve with pressure relief function comprises a valve body 1, a transmission case 2 is arranged at the middle position of the top of the valve body 1, a fixed iron core 3 is arranged at the middle position of the top end in the transmission case 2, the bottom of the fixed iron core 3 is connected with a first spring 4, the lower part of the fixed iron core 3 is connected with a movable iron core 5 through the first spring 4, the bottom of the movable iron core 5 is connected with a valve plate 6, a coil 7 is arranged at the outer side of the movable iron core 5 in the transmission case 2, an air release cylinder 8 communicated with the top of the valve body 1 is arranged at one side of the top of the valve body 1, air release ports 9 are arranged at the bottom ends of two sides of the air release cylinder 8, a piston 10 is movably connected in the air release cylinder 8, a pull rod 11 extending to the upper part of the air release cylinder 8 is connected to the top of the piston 10, a handle 13 is arranged at the top of the pull rod 11, one side of the inside top of valve body 1 is provided with the guard shield 14 that mutually corresponds with disappointing section of thick bamboo 8, and the intermediate position department of the inside top of valve body 1 is provided with two sets of shell fragments 15 that mutually correspond, and the end of shell fragment 15 is provided with sealing strip 16.

The utility model discloses a set up two sets of shell fragments 15 that correspond each other on the inside top of valve body 1, the end of two sets of shell fragments 15 all is provided with sealing strip 16, and valve body 1 is closed, and 6 downstream of valve plate, valve plate 6 strut shell fragment 15, under the effect of shell fragment 15 elasticity, make

sealing strip

16 and 6 close looks pastes of valve plate, and valve body 1 is opened, and 6 upstream of valve plate move, and shell fragment 15 resets closed, can prevent that the fluid in the valve body 1 from getting into in the transmission case 2.

Specifically, as shown in fig. 1 and 2, both sides of the valve body 1 are provided with the flange 17, and the flange 17 is provided with a threaded hole, the utility model discloses a set up the flange 17 in the both sides of valve body 1, accessible flange 17 is connected with external pipeline.

Specifically, as shown in fig. 1 and 2, the valve plate groove 18 corresponding to the valve plate 6 is provided at the middle position of the bottom end inside the valve body 1, and the valve plate groove 18 is provided, so that when the valve plate 6 is closed, the bottom of the valve plate 6 is matched with the valve plate groove 18, and the valve body 1 is closed more tightly.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, the outside of the pull rod 11 is located the handle 13 and is provided with the stopper 19 between the air release cylinder 8, the utility model discloses a set up stopper 19, when the pull rod 11 moves down, stopper 19 and air release cylinder 8 contact can prevent that pull rod 11 and piston 10 excessive downstream.

Specifically, as shown in fig. 1, 2 and 3, the piston 10 is attached to the inner wall of the gas release cylinder 8, and the air tightness of the gas release cylinder 8 can be ensured by attaching the piston 10 to the gas release cylinder 8.

Specifically, as shown in fig. 1 and 2, two sets of shell fragments 15 are set up about 6 symmetries of valve plate, and shell fragment 15 is the downward sloping structure, the utility model discloses a set up shell fragment 15 into the downward structure, 6 downstream of valve plate can be convenient for strut shell fragment 15.

The working principle is as follows: when the valve is used, the valve body 1 is connected with a pipeline through the flanges 17 on the two sides of the valve body 1, the valve body 1 is electrically connected with an external power supply and a controller, fluid is introduced, when pressure relief is carried out, the pull rod 11 can be pulled upwards through the handle 13, the pull rod 11 drives the piston 10 to move upwards in the air release cylinder 8, the second spring 12 contracts to enable the piston 10 to be far away from the air release opening 9, the air release opening 9 is in an open state, gas in the valve body 1 is discharged through the air release openings 9 on the two sides of the air release cylinder 8 to carry out pressure relief, after the pressure relief is finished, the handle 13 is released, the second spring 12 resets, the piston 10 is driven to move downwards through the pull rod 11 to enable the piston 10 to block the air release opening 9, when the valve body 1 is closed, the coil 7 is electrified to generate a magnetic field, the movable iron core 5 drives the valve plate 6 to move downwards under the action of the magnetic field, the valve body 1 is closed, the valve plate 6 props up the elastic sheet 15 in the downward movement process, under the action of the elastic force of the elastic sheet 15, the sealing strips 16 at the tail end of the elastic sheet 15 are closely attached to the two sides of the valve plate 6, the coil 7 is powered off, the magnetic force disappears, the first spring 4 is reset and contracted, the valve plate 6 is driven to move upwards through the movable iron core 5, the valve body 1 is opened, and the elastic sheet 15 is reset and closed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electromagnetic valve with pressure release function, includes valve body (1), its characterized in that, the intermediate position department at valve body (1) top is provided with transmission case (2), the intermediate position department on the inside top of transmission case (2) is provided with decides iron core (3), the bottom of deciding iron core (3) is connected with first spring (4), and the below of deciding iron core (3) is connected with through first spring (4) moves iron core (5), the bottom of moving iron core (5) is connected with valve plate (6), the inside outside that is located moves iron core (5) of transmission case (2) is provided with coil (7), one side at valve body (1) top is provided with the gas leakage jar (8) that is linked together with it, the bottom of gas leakage jar (8) both sides all is provided with disappointing mouth (9), the inside swing joint that leaks gas leakage jar (8) has piston (10), the top of piston (10) is connected with pull rod (11) that extend to gas leakage cylinder (8) top, and the top setting and handle (13) of pull rod (11), just be located the outside of pull rod (11) and be connected with second spring (12) between piston (10) top and the gas leakage cylinder (8), one side on the inside top of valve body (1) is provided with guard shield (14) that corresponds each other with gas leakage cylinder (8), the intermediate position department on the inside top of valve body (1) is provided with two sets of shell fragments (15) that correspond each other, and the end of shell fragment (15) is provided with sealing strip (16).

2. The electromagnetic valve with the pressure relief function according to claim 1, characterized in that flanges (17) are arranged on both sides of the valve body (1), and threaded holes are arranged on the flanges (17).

3. The electromagnetic valve with pressure relief function according to claim 1, characterized in that the valve plate groove (18) corresponding to the valve plate (6) is arranged at the middle position of the bottom end in the valve body (1).

4. The electromagnetic valve with the pressure relief function according to claim 1, characterized in that a stop block (19) is arranged on the outer side of the pull rod (11) between the handle (13) and the air relief cylinder (8).

5. The solenoid valve with pressure relief function according to claim 1, characterized in that said piston (10) is in contact with the inner wall of the escape cylinder (8).

6. The electromagnetic valve with the pressure relief function according to claim 1, wherein the two sets of spring plates (15) are symmetrically arranged about the valve plate (6), and the spring plates (15) are in a downward inclined structure.