CN214093060U

CN214093060U - Solenoid valve convenient to change valve plug

Info

Publication number: CN214093060U
Application number: CN202022709346.2U
Authority: CN
Inventors: 谭伟
Original assignee: Pingdingshan Yixiang Industry And Trade Co ltd
Current assignee: Pingdingshan Yixiang Industry And Trade Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-31
Anticipated expiration: 2030-11-20

Abstract

The utility model belongs to the technical field of solenoid valves, especially, be a solenoid valve convenient to change valve plug, including valve body and the electromagnet shell who fixes on it, the inside of valve body has seted up movable chamber, the top of valve body is located the top in movable chamber is equipped with the top cap, the bottom fixedly connected with of top cap extends the section of thick bamboo, the inner wall in movable chamber has seted up with extend section of thick bamboo matched with thread groove, the top cap passes through extend section of thick bamboo with the cooperation spiro union of thread groove is fixed in the top of valve body, extend section of thick bamboo's inside fixedly connected with coil, and extend section of thick bamboo's inside is located the below of coil sliding connection has the piston rod; can let the piston rod slide in extending a section of thick bamboo when not influencing the solenoid valve use, avoided dismantling the trouble that just can change the piston to whole valve body when changing the piston, the maintenance work's of the later stage of being convenient for goes on, simple structure, it is convenient to dismantle, and the practicality is strong.

Description

Solenoid valve convenient to change valve plug

Technical Field

The utility model relates to a solenoid valve technical field specifically is a solenoid valve convenient to change valve plug.

Background

The electromagnetic valve is electromagnetic control's industrial equipment, be used for controlling fluidic automatic basic component, belong to the executor, there is inclosed chamber in the electromagnetic valve, it has the through-hole to open in different positions, different oil pipe of every jogged joint, be the piston in the middle of the chamber, the two sides are two electromagnets, which side's magnet coil circular telegram valve body will be attracted to which side, open or close different oil drain hole through the removal of control valve body, and the inlet port is normally open, hydraulic oil will get into different oil drain pipe, then promote the piston of hydro-cylinder through the pressure of oil, the piston drives the piston rod again, the piston rod drives mechanical device, mechanical motion has just been controlled through the electric current break-make of control electromagnet like this.

Wearing and tearing can appear in the inside piston of solenoid valve after using for a long time, and current solenoid valve piston all is fixed in the inside of valve body, just can change the inside piston of solenoid valve after needing to dismantle the whole of solenoid valve, and is comparatively troublesome, has influenced work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solenoid valve convenient to change valve plug to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a solenoid valve convenient for replacing a valve plug comprises a valve body and an electromagnet shell fixed on the valve body, wherein a movable cavity is formed in the valve body, a top cover is arranged at the top of the valve body and positioned above the movable cavity, an extension cylinder is fixedly connected to the bottom of the top cover, a thread groove matched with the extension cylinder is formed in the inner wall of the movable cavity, the top cover is fixedly connected to the top of the valve body through the matching screw joint of the extension cylinder and the thread groove, a coil is fixedly connected to the inside of the extension cylinder, a piston rod is slidably connected to the inside of the extension cylinder and positioned below the coil, a piston is fixedly connected to the bottom of the piston rod and tightly attached to the inner wall of the movable cavity, an iron core is fixedly connected to the inside of the electromagnet shell, penetrates through the top cover and the extension cylinder and slides inside the piston rod, and one end of the iron core, which is positioned in the piston rod, is fixedly connected with a spring, the other end of the spring is tightly attached to the inside of the piston rod, and the piston rod is elastically connected with the iron core through the spring.

As a further aspect of the present invention: a first sliding groove matched with the piston rod is formed in the extension barrel, and the piston rod slides in the extension barrel through the first sliding groove.

As a further aspect of the present invention: and a second sliding groove matched with the iron core is formed in the piston rod, and the iron core slides in the piston rod through the second sliding groove.

As a further aspect of the present invention: the area of the top cover is larger than the opening area of the movable cavity, and the top cover covers the upper part of the movable cavity.

As a further aspect of the present invention: the bottom fixedly connected with closing plate of top cap, the one end of closing plate far away from the top cap is hugged closely the top of valve body, just the material of closing plate is rubber.

As a further aspect of the present invention: the bottom of the electromagnet shell is positioned outside the iron core and is provided with a groove matched with the top cover, and the electromagnet shell is clamped and fixed outside the top cover through the groove and is tightly attached to the top of the valve body.

As a further aspect of the present invention: the top cover is provided with a through hole matched with the iron core, and the iron core penetrates through the top cover through the through hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the top cover of the utility model is fixed on the top of the valve body through the matching screw joint of the extension cylinder and the thread groove, when in use, the coil and the electromagnet can generate magnetic force after being electrified, the piston rod can move upwards under the action of the magnetic force, and after the coil and the electromagnet are powered off, the piston rod can move downwards under the action of the spring, the position of the piston can be adjusted through the power-on and power-off modes, when the piston needs to be replaced after long-time use, a worker can pull the iron core out of the second chute after detaching the electromagnet shell, then the top cover is screwed through the thread groove, the extension cylinder can be detached from the valve body, thereby the piston rod in the movable cavity is exposed, the worker can directly pull the piston rod to take out the piston, the piston rod can slide in the extension cylinder while the use of the electromagnetic valve is not influenced, the trouble that the piston can be replaced only when the whole valve body is detached is avoided, the maintenance work of the later stage of being convenient for goes on, simple structure, it is convenient to dismantle, and the practicality is strong.

Drawings

FIG. 1 is a schematic diagram of a solenoid valve with a valve plug that is easily replaced;

FIG. 2 is a schematic diagram of the electromagnet housing and valve body of a solenoid valve for easy valve plug replacement;

FIG. 3 is a schematic diagram of the structure of the core and the piston rod of a solenoid valve for easy replacement of the valve plug;

fig. 4 is a schematic structural diagram of an electromagnet housing of a solenoid valve for facilitating replacement of a valve plug.

In the figure: 1. a valve body; 101. a movable cavity; 102. a thread groove; 11. a top cover; 111. a sealing plate; 112. a through hole; 12. an extension cylinder; 121. a first chute; 13. a coil; 14. a piston rod; 141. a second chute; 15. a piston; 2. an electromagnet housing; 21. an iron core; 211. a spring; 22. and (4) a groove.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, an electromagnetic valve convenient for replacing a valve plug includes a valve body 1 and an electromagnet housing 2 fixed thereon, a movable cavity 101 is formed inside the valve body 1, a top cover 11 is disposed on the top of the valve body 1 above the movable cavity 101, an extension cylinder 12 is fixedly connected to the bottom of the top cover 11, a thread groove 102 matched with the extension cylinder 12 is formed on the inner wall of the movable cavity 101, the top cover 11 is fixed on the top of the valve body 1 by the screw connection between the extension cylinder 12 and the thread groove 102, a coil 13 is fixedly connected to the inside of the extension cylinder 12, a piston rod 14 is slidably connected to the inside of the extension cylinder 12 below the coil 13, a piston 15 is fixedly connected to the bottom of the piston rod 14, the piston 15 is tightly attached to the inner wall of the movable cavity 101, an iron core 21 is fixedly connected to the inside of the electromagnet housing 2, the iron core 21 penetrates through the top cover 11, the extension cylinder 12 and slides inside of the piston rod 14, and one end of the iron core 21 located inside the piston rod 14 is fixedly connected with a spring 211, the other end of the spring 211 is tightly attached inside the piston rod 14, and the piston rod 14 is elastically connected with the iron core 21 through the spring 211.

In fig. 1, 2 and 3: when the electromagnetic valve is used, after the coil 13 and the electromagnet are electrified, magnetic force can be generated, the piston rod 14 can move upwards under the action of the magnetic force, after the coil 13 and the electromagnet are powered off, the piston rod 14 can move downwards under the action of the spring 211, the position of the piston 15 can be adjusted through the power-on and power-off modes, when the piston 15 needs to be replaced after long-time use, a worker firstly detaches the electromagnet shell 2, can draw the iron core 21 out of the second sliding groove 141 and the through hole 112, then screws the top cover 11 through the matching of the thread groove 102 and the extension cylinder 12, detaches the extension cylinder 12 from the valve body 1, exposes the piston rod 14 in the movable cavity 101, can directly pull the piston rod 14 to remove the piston 15, and can enable the piston rod 14 to slide in the first sliding groove 121 without affecting the use of the electromagnetic valve, the condition that the piston 15 can be replaced by disassembling the whole valve body 1 when the piston 15 is replaced is avoided, the later maintenance work of the piston 15 is facilitated, the structure is simple, the disassembly is convenient, and the practicability is high.

In fig. 2 and 4: when the electromagnetic valve is installed, a worker screws the top cover 11 through the matching of the thread groove 102 and the extension cylinder 12, the top cover 11 is tightly attached to the top of the valve body 1 through the sealing plate 111, a gap between the top cover 11 and the valve body 1 can be sealed, the sealing performance of the valve body 1 is improved, when the electromagnet shell 2 is installed, the electromagnet shell 2 is fixed to the outside of the top cover 11 through the clamping of the groove 22, the top cover 11 cannot interfere the electromagnet shell 2 and the valve body 1, and the electromagnet shell 2 can be tightly attached to the valve body 1 for use.

The utility model discloses a theory of operation is: when the electromagnetic valve is used, after the coil 13 and the electromagnet are electrified, magnetic force can be generated, the piston rod 14 can move upwards under the action of the magnetic force, after the coil 13 and the electromagnet are powered off, the piston rod 14 can move downwards under the action of the spring 211, the position of the piston 15 can be adjusted through the power-on and power-off modes, when the piston 15 needs to be replaced after long-time use, a worker firstly detaches the electromagnet shell 2, can draw the iron core 21 out of the second sliding groove 141 and the through hole 112, then screws the top cover 11 through the matching of the thread groove 102 and the extension cylinder 12, detaches the extension cylinder 12 from the valve body 1, exposes the piston rod 14 in the movable cavity 101, can directly pull the piston rod 14 to remove the piston 15, and can enable the piston rod 14 to slide in the first sliding groove 121 without affecting the use of the electromagnetic valve, the condition that the piston 15 can be replaced by disassembling the whole valve body 1 when the piston 15 is replaced is avoided, the later maintenance work of the piston 15 is facilitated, the structure is simple, the disassembly is convenient, and the practicability is high.

The above-mentioned, 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 electromagnetic valve convenient for replacing the valve plug comprises a valve body (1) and an electromagnet shell (2) fixed on the valve body, and is characterized in that a movable cavity (101) is formed in the valve body (1), a top cover (11) is arranged above the movable cavity (101) at the top of the valve body (1), an extension cylinder (12) is fixedly connected to the bottom of the top cover (11), a thread groove (102) matched with the extension cylinder (12) is formed in the inner wall of the movable cavity (101), the top cover (11) is fixedly connected to the top of the valve body (1) through the matching thread connection of the extension cylinder (12) and the thread groove (102), a coil (13) is fixedly connected to the inside of the extension cylinder (12), a piston rod (14) is slidably connected to the lower portion of the coil (13) at the inside of the extension cylinder (12), and a piston (15) is fixedly connected to the bottom of the piston rod (14), piston (15) hug closely the inner wall in activity chamber (101), the inside fixed connection of electro-magnet shell (2) has iron core (21), iron core (21) run through top cap (11), extension section of thick bamboo (12) and slide are in the inside of piston rod (14), just iron core (21) are located the inside one end fixedly connected with spring (211) of piston rod (14), the other end of spring (211) is hugged closely the inside of piston rod (14), just piston rod (14) pass through spring (211) with iron core (21) elastic connection.

2. The electromagnetic valve convenient for valve plug replacement as claimed in claim 1, wherein the extension cylinder (12) has a first sliding slot (121) formed therein for cooperating with the piston rod (14), and the piston rod (14) slides inside the extension cylinder (12) through the first sliding slot (121).

3. The electromagnetic valve convenient for valve plug replacement according to claim 1, wherein the piston rod (14) is provided with a second sliding slot (141) inside, the second sliding slot being engaged with the iron core (21), the iron core (21) sliding inside the piston rod (14) through the second sliding slot (141).

4. A valve with easy plug replacement according to claim 1, characterized in that the area of the cover (11) is larger than the opening area of the movable chamber (101), and the cover (11) covers the movable chamber (101).

5. The electromagnetic valve convenient for replacing the valve plug according to claim 1, wherein a sealing plate (111) is fixedly connected to the bottom of the top cover (11), one end of the sealing plate (111) far away from the top cover (11) is tightly attached to the top of the valve body (1), and the sealing plate (111) is made of rubber.

6. The electromagnetic valve convenient for valve plug replacement according to claim 1, wherein a groove (22) matched with the top cover (11) is formed in the bottom of the electromagnet housing (2) and located outside the iron core (21), and the electromagnet housing (2) is fixed outside the top cover (11) through the groove (22) in a clamping manner and is tightly attached to the top of the valve body (1).

7. The electromagnetic valve convenient for valve plug replacement according to claim 1, wherein the top cover (11) is provided with a through hole (112) matching with the iron core (21), and the iron core (21) penetrates through the top cover (11) through the through hole (112).