CN212564663U

CN212564663U - Electromagnetic hydraulic control device for control valve group

Info

Publication number: CN212564663U
Application number: CN202020660801.1U
Authority: CN
Inventors: 张长江
Original assignee: Hubei High Middle Pressure Valve Co ltd
Current assignee: Hubei High Middle Pressure Valve Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-02-19
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses an electromagnetic hydraulic control device for a control valve group, which relates to the valve field, and comprises an injection valve and a manual gate valve which are connected with each other, wherein the manual gate valve is provided with a water inlet and a water outlet, and the lower parts of the injection valve and the manual gate valve are communicated through a connecting through hole A; a valve cavity of the manual gate valve is internally provided with a first valve clack, and a valve rod is used for driving the first valve clack to move up and down; the injection valve comprises a closed injection valve cavity, a second valve clack is arranged in the injection valve cavity, a first through hole B, a second through hole C and a third through hole D are formed in the injection valve cavity, and electromagnetic valves are arranged between the first through hole B and the second through hole C and between the second through hole C and the third through hole D; a channel B, a channel C and a channel D corresponding to the first through hole B, the second through hole C and the third through hole D are arranged in the injection valve cavity, and the connecting through hole A is communicated with the channel B through a channel E. The utility model discloses not only relatively environmental protection, effective reduce cost moreover.

Description

Electromagnetic hydraulic control device for control valve group

Technical Field

The utility model relates to a valve field, concretely relates to electromagnetism liquid accuse device for valve unit.

Background

The injection valve is usually used for cutting off a medium and adjusting the injection flow of high-pressure industrial water, is frequently opened and closed, is mostly provided with an air control device, needs to use a large amount of compressed gas, has high manufacturing and using cost, is easy to generate cavitation erosion, influences the pipeline of equipment, shortens the service life of the pipeline, and can pollute the environment.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims to provide an electromagnetism liquid accuse device for valve unit not only relatively protects the environment, can effective reduce cost moreover.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

an electromagnetic hydraulic control device for a control valve group comprises an injection valve and a manual gate valve which are connected with each other, wherein a water inlet is formed in the manual gate valve, a water outlet is formed in the injection valve, and the injection valve is communicated with the lower part of the manual gate valve through a connecting through hole A;

the manual gate valve comprises a valve body, a valve seat and a valve rod, wherein the valve seat is provided with a valve cavity, a first valve clack is arranged in the valve cavity, one end of the valve rod is positioned outside the valve body, the other end of the valve rod penetrates through the valve sleeve and then is positioned inside the first valve clack, and the valve rod is used for driving the first valve clack to move up and down;

the injection valve comprises a closed injection valve cavity, a second valve clack is arranged in the injection valve cavity, a spring is connected onto the second valve clack, an injection valve cover is sleeved on the second valve clack, a first through hole B, a second through hole C and a third through hole D are formed in the injection valve cavity, and electromagnetic valves are arranged between the first through hole B and the second through hole C and between the second through hole C and the third through hole D;

a channel B, a channel C and a channel D corresponding to the first through hole B, the second through hole C and the third through hole D are arranged in the injection valve cavity, and the connecting through hole A is communicated with the channel B through a channel E.

Furthermore, a filter is arranged between the valve body and the valve seat,

furthermore, a valve sleeve is sleeved outside the first valve clack.

Furthermore, a two-way valve block is arranged at the connection part of the channel B and the channel E and is used for controlling the on-off of the channel E and the channel B.

Compared with the prior art, the utility model has the advantages of:

(1) when the electromagnetic hydraulic control device for the control valve bank is used, high-pressure water flow enters the connecting through hole A after passing through the filter and then enters the channel B through the channel E, so that the second valve flap moves upwards, the spring is in a compressed state, and the injection valve is opened; when the injection valve is closed to needs, start the solenoid valve, make the interior water under high pressure of B passageway pass through C passageway and get into the D passageway to discharge through third through-hole D, carry out the pressure release, second valve lamella downstream, the spring resumes deformation, and the injection valve is closed, the utility model discloses use the water under high pressure to realize closing and opening of injection valve, compare with the gas accuse among the prior art and hydraulically controlled method, not only relatively environmental protection, can effectively reduce cost moreover.

Drawings

Fig. 1 is a schematic structural view of an electromagnetic hydraulic control device for controlling a valve group according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of fig. 1.

In the figure: 1-injection valve, 2-manual gate valve, 3-water inlet, 4-water outlet, 5-connecting through hole A, 6-valve body, 7-valve seat, 8-valve rod, 9-filter, 10-valve cavity, 11-first valve clack, 12-valve sleeve, 13-injection valve cavity, 14-second valve clack, 15-first through hole B, 16-second through hole C, 17-third through hole D, 18-spring, 19-B channel, 20-C channel, 21-D channel, 22-E channel, 23-injection valve cover and 24-two-way valve block.

Detailed Description

The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, the embodiment of the utility model provides an electromagnetism pilot operated device for valve unit, the valve unit includes interconnect's injection valve 1 and manual gate valve 2, and it has water inlet 3 to open on the manual gate valve 2, and it has delivery port 4 to open on the injection valve 1, and the lower part of injection valve 1 and manual gate valve 2 is linked together through a connect the through-hole A5.

Manual gate valve 2 includes valve body 6, disk seat 7 and valve rod 8, be provided with filter 9 between valve body 6 and the disk seat 7, set up valve pocket 10 on the disk seat 7, be provided with first valve clack 11 in the valve pocket 10, valve barrel 12 has been cup jointed to the outside of first valve clack 11, the one end of valve rod 8 is located the outside of valve body 6, the other end passes valve barrel 12 and the inside that lies in first valve clack 11 after with, valve rod 8 is used for driving first valve clack 11 up-and-down motion, when first valve clack 11 up-going, outside high-pressure rivers get into in the valve pocket 10 from water inlet 3, the rethread filters in the back entering connecting hole A5.

The injection valve 1 comprises a closed injection valve cavity 13, a second valve clack 14 is arranged in the injection valve cavity 13, a spring 18 is connected onto the second valve clack 14, an injection valve cover 23 is sleeved on the second valve clack 14, a first through hole B15, a second through hole C16 and a third through hole D17 are formed in the injection valve cavity 13, an electromagnetic valve is arranged between the first through hole B15 and the second through hole C16, the second through hole C16 and the third through hole D17, and the electromagnetic valve is a two-position three-way electromagnetic valve and used for controlling on-off between corresponding channels.

The injection valve cavity 13 is internally provided with a B channel 19, a C channel 20 and a D channel 21 which correspond to a first through hole B15, a second through hole C16 and a third through hole D17, a connecting through hole A5 is communicated with the B channel 19 through an E channel 22, a two-way valve block 24 is arranged at the connecting part of the B channel 19 and the E channel 22, and the two-way valve block 24 is used for controlling the connection and disconnection between the E channel 22 and the B channel 19.

High-pressure water flow enters the connecting through hole A5 after passing through the filter 9 and then enters the channel B19 through the channel E22, so that the second valve clack 14 moves upwards, the spring 18 is in a compressed state, and the injection valve 1 is opened; when the injection valve 1 needs to be closed, the electromagnetic valve is started, so that high-pressure water in the channel B19 enters the channel D21 through the channel C20 and is discharged through the third through hole D17 to be decompressed, the second valve clack 14 moves downwards, the spring 18 restores deformation, and the injection valve 1 is closed.

The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.

Claims

1. An electromagnetic hydraulic control device for a pilot valve group, comprising an injection valve (1) and a manual gate valve (2) which are mutually connected, characterized in that: the manual gate valve (2) is provided with a water inlet (3), the injection valve (1) is provided with a water outlet (4), and the lower parts of the injection valve (1) and the manual gate valve (2) are communicated through a connecting through hole A (5);

the manual gate valve (2) comprises a valve body (6), a valve seat (7) and a valve rod (8), a valve cavity (10) is arranged on the valve seat (7), a first valve clack (11) is arranged in the valve cavity (10), one end of the valve rod (8) is located outside the valve body (6), the other end of the valve rod (8) penetrates through a valve sleeve (12) and then is located inside the first valve clack (11), and the valve rod (8) is used for driving the first valve clack (11) to move up and down;

the injection valve (1) comprises a closed injection valve cavity (13), a second valve clack (14) is arranged in the injection valve cavity (13), a spring (18) is connected to the second valve clack (14), an injection valve cover (23) is sleeved on the second valve clack (14), a first through hole B (15), a second through hole C (16) and a third through hole D (17) are formed in the injection valve cavity (13), and electromagnetic valves are arranged between the first through hole B (15) and the second through hole C (16) and between the second through hole C (16) and the third through hole D (17);

a channel B (19), a channel C (20) and a channel D (21) which correspond to the first through hole B (15), the second through hole C (16) and the third through hole D (17) are arranged in the injection valve cavity (13), and the connecting through hole A (5) is communicated with the channel B (19) through a channel E (22).

2. An electromagnetic pilot operated control valve assembly as defined in claim 1 wherein: and a filter (9) is arranged between the valve body (6) and the valve seat (7).

3. An electromagnetic pilot operated control valve assembly as defined in claim 1 wherein: and a valve sleeve (12) is sleeved outside the first valve clack (11).

4. An electromagnetic pilot operated control valve assembly as defined in claim 1 wherein: and a two-way valve block (24) is arranged at the connection part of the channel B (19) and the channel E (22), and the two-way valve block (24) is used for controlling the on-off between the channel E (22) and the channel B (19).