CN217559576U

CN217559576U - Gate valve with flow dividing function

Info

Publication number: CN217559576U
Application number: CN202221675574.5U
Authority: CN
Inventors: 姚晓阳; 孙洪兴; 查光林; 李洪圆
Original assignee: TONGLING SIND VALVES HEAD FACTORY
Current assignee: TONGLING SIND VALVES HEAD FACTORY
Priority date: 2022-07-01
Filing date: 2022-07-01
Publication date: 2022-10-11
Anticipated expiration: 2032-07-01

Abstract

The utility model provides a gate valve with reposition of redundant personnel function relates to gate valve technical field, including the gate valve main part, the one end of gate valve main part has first fixed pipe through the fixed intercommunication of first ring flange, the top of first fixed pipe is provided with first control valve. The utility model discloses, through first curved line pipe, square pipe and second curved line pipe shunt first fixed pipe, then make the fixed close one end department of first fixed pipe and second and the non-circulation state of pipe through first control valve and third control, after the gate valve main part was taken out this moment, first pipeline and second pipeline are through first curved line pipe, square pipe and second curve are still in the circulation state, thereby prevent that whole pipeline is in the non-circulation state, when avoiding the gate valve main part to maintain, first pipeline and second pipeline can't work, and through first control valve, the direction of gas circulation can be controlled to second control valve and third control valve, be convenient for to the operation of device.

Description

Gate valve with flow dividing function

Technical Field

The utility model relates to a gate valve technical field especially relates to a gate valve with reposition of redundant personnel function.

Background

The gate valve is a shutter plate, the movement direction of the shutter plate is perpendicular to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. The gate valve is sealed by the contact of the valve seat and the gate plate, and a sealing surface is usually subjected to surfacing welding of metal materials to increase the wear resistance, such as surfacing welding of 1Cr13, STL6, stainless steel and the like. The gate plate is divided into a rigid gate plate and an elastic gate plate, and the gate valve is divided into a rigid gate valve and an elastic gate valve according to the difference of the gate plates.

However, in the prior art, when the existing gate valve is used, when the gate valve needs to be maintained, the pipeline generally needs to be closed, so that the whole pipeline is in a non-circulation state, however, when some factories are maintained, some machines cannot work when the pipeline is in the non-circulation state, so that some economic losses can be caused, and the longer the pipeline maintenance time is, the more the losses are caused, and great troubles are brought to people.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, when current gate valve maintained, whole pipeline can be in the non-circulation state to cause economic loss's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a gate valve with reposition of redundant personnel function, includes the gate valve main part, the one end of gate valve main part has first fixed pipe through the fixed intercommunication of first ring flange, the top of first fixed pipe is provided with first control valve, the one end of first fixed pipe has first pipeline through the fixed intercommunication of second ring flange, the fixed intercommunication in one side of first fixed pipe has first curved line pipe, the fixed intercommunication in one end of first curved line pipe has square pipe, the fixed intercommunication in one end of square pipe has second curved line pipe, the one end of gate valve main part has the second fixed pipe through the fixed intercommunication of third ring flange.

In a preferred embodiment, a flow meter is arranged on the top of the first curve pipe, a second control valve is arranged on the top of the first curve pipe, and a third control valve is arranged on the top of the second fixed pipe.

The technical effect of adopting the further scheme is as follows: the direction of gas flow can be changed by the first control valve, the second control valve and the third control valve.

In a preferred embodiment, one end of the second fixed pipe is fixedly communicated with a second pipeline through a fourth flange, and one end of the second curve pipe is fixedly communicated with one side of the second fixed pipe.

As a preferred embodiment, the top of the square tube is fixedly communicated with a buffer tube, and the inner top surface of the buffer tube is fixedly connected with a spring.

The technical effect of adopting the further scheme is as follows: the gas inside the square tube can be made to enter the inside of the buffer tube through the buffer tube, thereby reducing the pressure inside the first curve tube and the second curve tube.

As a preferred embodiment, a sliding block is fixedly connected to the bottom end of the spring.

The technical effect of adopting the further scheme is as follows: the design through the spring is in order to make the inside gas of first curvilinear tube and second curvilinear tube slowly get into the inside of buffer tube, and when the pressure of first curvilinear tube and second curvilinear tube inside approached when being normal, just can make the inside gas of buffer tube get into the inside of square pipe through the spring this moment.

In a preferred embodiment, the outer surface of the slider is provided with a sealing ring.

The technical effect of adopting the further scheme is as follows: the gas inside the buffer tube can be pushed into the inside of the square tube by the slider.

In a preferred embodiment, the outer surface of the sealing ring is slidably connected to the inner wall of the buffer tube.

The technical effect of adopting the further scheme is as follows: the sealing performance between the sliding block and the buffer tube can be increased through the sealing ring.

Compared with the prior art, the utility model has the advantages and positive effects that,

the utility model discloses in, through first curved line pipe, square pipe and second curved line pipe are shunted first fixed pipe, then make the fixed one end department and the non-circulation state that close of first fixed pipe and second through first control valve and third control, after taking out the gate valve main part this moment, first pipeline and second pipeline are through first curved line pipe, square pipe and second curve are still in the circulation state, thereby prevent that whole pipeline is in the non-circulation state, when avoiding the gate valve main part to maintain, first pipeline and second pipeline can't work, and through first control valve, the direction of gas circulation can be controlled to second control valve and third control valve, be convenient for to the operation of device.

The utility model discloses in, in use, be in the closed condition when first control valve and third control valve, when the second control valve was in the open mode, the inside pressure of first curvilinear pipe and second curvilinear pipe will increase and remove the pressure reduction that makes the inside of first curvilinear pipe and second curvilinear pipe through the slider this moment, just can avoid first curvilinear pipe and second curvilinear pipe to take place to burst, increase the life of device, and the design of sealing washer can increase the leakproofness of slider.

Drawings

Fig. 1 is a perspective view of a gate valve with a shunt function provided by the present invention;

fig. 2 is a perspective view of a part of the structure of the gate valve with a flow dividing function provided by the present invention;

fig. 3 is a perspective view of a gate valve buffer tube with a shunt function provided by the present invention;

fig. 4 is an exploded perspective view of a part of the structure of the gate valve buffer tube with a shunt function provided by the present invention.

Illustration of the drawings:

1. a gate valve body; 2. a first stationary tube; 3. a first control valve; 4. a first curved line pipe; 5. a first conduit; 6. a flow meter; 7. a square tube; 8. a second curvilinear tube; 9. a second stationary tube; 10. a second conduit; 11. a second control valve; 12. a buffer tube; 13. a spring; 14. a slider; 15. a seal ring; 16. and a third control valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a gate valve with reposition of redundant personnel function, including gate valve main part 1, the one end of gate valve main part 1 has first fixed pipe 2 through the fixed intercommunication of first ring flange, the top of first fixed pipe 2 is provided with first control valve 3, the one end of first fixed pipe 2 has first pipeline 5 through the fixed intercommunication of second ring flange, the fixed intercommunication in one side of first fixed pipe 2 has first bent pipe 4, the fixed intercommunication in one end of first bent pipe 4 has square pipe 7, the fixed intercommunication in one end of square pipe 7 has second bent pipe 8, the fixed intercommunication of third ring flange has second fixed pipe 9 through the one end of gate valve main part 1, the top of first bent pipe 4 is provided with flow meter 6, can detect the rate of gaseous circulation through flow meter 6, the top of first bent pipe 4 is provided with second control valve 11, the top of second fixed pipe 9 is provided with third control valve 16, and through first control valve 3, second control valve 11 and third control valve 16 can change the direction of gaseous circulation, the one end of second fixed pipe 9 is passed through fourth ring flange fixed pipe 10, the one side of gate valve main part can demolish through first fixed pipe 1 and the second ring flange 10, the fixed pipe 10 and the one side of second fixed pipe 10, the fixed pipe of gate valve is convenient for demolish.

In the embodiment, in use, gas enters from the first pipeline 5, the second control valve 11 is closed, the first control valve 3 and the third control valve 16 are opened, the gas enters from the first fixed pipe 2 into the inside of the gate valve body 1 and then is discharged from the second pipeline 10 through the second fixed pipe 9, when the gate valve body 1 needs to be overhauled, the first control valve 3 and the third control valve 16 are closed, the second control valve 11 is opened, the gas enters from the first pipeline 5 and then enters into the inside of the first curved pipe 4 through the first fixed pipe 2 and then passes through the square pipe 7, and then the gas reaches the inside of the second fixed pipe 9 through the second curved pipe 8, and because the third control valve 16 is closed, the gas cannot be discharged from one end of the second fixed pipe 9 far away from the second pipeline 10, the gas reaches the inside of the second pipeline 10 and then is discharged from the second pipeline 10, so that the problem that the whole pipeline is in a non-flow state when the existing gate valve is maintained is solved.

Example 2

As shown in fig. 3-4, a buffer tube 12 is fixedly communicated with the top of the square tube 7, gas is collected through the buffer tube 12, so that the gas can enter the buffer tube 12 to relieve the pressure inside the first curved tube 4 and the second curved tube 8, a spring 13 is fixedly connected to the top surface inside the buffer tube 12, the spring 13 is designed to enable the gas inside the first curved tube 4 and the second curved tube 8 to slowly enter the buffer tube 12, when the pressure inside the first curved tube 4 and the second curved tube 8 approaches to be normal, the gas inside the buffer tube 12 can enter the square tube 7 through the spring 13, a slider 14 is fixedly connected to the bottom end of the spring 13, a sealing ring 15 is arranged on the outer surface of the slider 14, the outer surface of the sealing ring 15 is in sliding connection with the inner wall of the buffer tube 12, and the sealing performance between the slider 14 and the buffer tube 12 can be increased through the sealing ring 15.

In the embodiment, in use, when the first control valve 3 and the third control valve 16 are in a closed state and the second control valve 11 is in an open state, at this time, the first curved pipe 4 and the second curved pipe 8 may be suddenly stamped by gas, at this time, when the internal pressure of the first curved pipe 4 and the second curved pipe 8 is large, the gas may push the slider 14 to move, and the slider 14 may move upward, and the movement of the slider 14 may reduce the internal pressure of the first curved pipe 4 and the second curved pipe 8, at this time, the first curved pipe 4 and the second curved pipe 8 may be prevented from bursting, and the service life of the device may be increased.

The working principle is as follows:

as shown in fig. 1-4, in use, when gas enters from the first pipe 5, the second control valve 11 is closed, the first control valve 3 and the third control valve 16 are opened, when gas enters from the first fixed pipe 2 into the inside of the gate valve body 1, then exits from the second pipe 10 through the second fixed pipe 9, when the gate valve body 1 needs to be repaired, the first control valve 3 and the third control valve 16 are closed, the second control valve 11 is opened, when gas enters from the first pipe 5, then enters from the first fixed pipe 2 into the inside of the first curved pipe 4, then passes through the square pipe 7, and then reaches the inside of the second fixed pipe 9 through the second curved pipe 8, when the first control valve 3 and the third control valve 16 are in a closed state, gas cannot exit from the end of the second fixed pipe 9 far from the second pipe 10, when gas reaches the inside of the second pipe 10, when gas exits from the second fixed pipe 9, when the first control valve 11 and the third control valve 16 are in a closed state, when the second control valve 11 is in an open state, the gas moves upward, when the slider 14 is pushed by the second curved pipe 8 and the slider 14, when the second curved pipe 8 moves suddenly, and the slider 14 moves.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or modified to be equivalent changes by using the above-mentioned technical contents, but all those persons do not depart from the technical contents of the present invention, and any simple modifications, equivalent changes and modifications made to the above embodiments by the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a gate valve with reposition of redundant personnel function, includes gate valve main part (1), its characterized in that: the one end of gate valve main part (1) has first fixed pipe (2) through the fixed intercommunication of first ring flange, the top of first fixed pipe (2) is provided with first control valve (3), the one end of first fixed pipe (2) has first pipeline (5) through the fixed intercommunication of second ring flange, the fixed intercommunication in one side of first fixed pipe (2) has first bent pipe (4), the fixed intercommunication in one end of first bent pipe (4) has square pipe (7), the fixed intercommunication in one end of square pipe (7) has second bent pipe (8), the one end of gate valve main part (1) has second fixed pipe (9) through the fixed intercommunication of third ring flange.

2. The gate valve with a flow dividing function according to claim 1, wherein: the top of first curvilinear pipe (4) is provided with flow meter (6), the top of first curvilinear pipe (4) is provided with second control valve (11), the top of the fixed pipe of second (9) is provided with third control valve (16).

3. A gate valve with a flow dividing function according to claim 1, wherein: the one end of the fixed pipe of second (9) has second pipeline (10) through the fixed intercommunication of fourth ring flange, the one end of the fixed pipe of second curved line pipe (8) and the fixed intercommunication in one side of the fixed pipe of second (9).

4. A gate valve with a flow dividing function according to claim 1, wherein: the top fixed intercommunication of square pipe (7) has buffer tube (12), the inside top surface fixedly connected with spring (13) of buffer tube (12).

5. The gate valve with a flow dividing function according to claim 4, wherein: the bottom end of the spring (13) is fixedly connected with a sliding block (14).

6. The gate valve with a flow dividing function according to claim 5, wherein: and a sealing ring (15) is arranged on the outer surface of the sliding block (14).

7. The gate valve with a flow dividing function according to claim 6, wherein: the outer surface of the sealing ring (15) is in sliding connection with the inner wall of the buffer tube (12).