CN214534575U

CN214534575U - Control regulating valve with pressure difference regulating function

Info

Publication number: CN214534575U
Application number: CN202023337546.6U
Authority: CN
Inventors: 陈英镇; 杨支援; 玉金贵
Original assignee: Jiangsu Yuanyang Valve Ltd By Share Ltd
Current assignee: Jiangsu Yuanyang Valve Ltd By Share Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-29
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to the technical field of valves, and a control governing valve with pressure differential regulatory function is disclosed, which comprises a valve body, the valve body internal symmetry is fixed with two toper water conservancy diversion rings, two toper water conservancy diversion intra-annular symmetries are equipped with two sealed posts, two and sealed post assorted openings have been seted up to the outer wall symmetry of valve body, the outer wall of valve body still fixedly connected with and two opening assorted first casing and second casing, fixed mounting has the valve rod in the first casing, and the one end and a sealed post of valve rod rotate to be connected, be equipped with the baffle in the second casing, and baffle and second casing and valve body fixed connection, the symmetry is equipped with two fly leafs between baffle and the second casing, and two fly leafs all are connected with second casing and baffle through pressure control diaphragm, be equipped with the fixed plate between two fly leafs. The utility model discloses can carry out automatically regulated at the pressure difference at valve body both ends, play the effect of balanced flow, and then guarantee the normal use of valve body.

Description

Control regulating valve with pressure difference regulating function

Technical Field

The utility model relates to the technical field of valves, especially, relate to a control governing valve with pressure differential regulatory function.

Background

The fluid supply line generally includes a return line, a water supply line, a bypass line, and the like. In order to ensure stable operation of the pipeline, a regulating valve is usually installed in the pipelines such as the return pipeline, the bypass pipeline, etc. to control the flow rate in the pipeline.

In the prior art, the flow deviation of the valve can be caused by pressure fluctuation in a pipeline in the using process, so that pressure difference is generated at two ends of the valve body, and the normal use of the valve body is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art valve can arouse flow deviation because of the pressure oscillation in the use pipeline to lead to the both ends of valve body to produce the pressure differential, influence the problem of valve body normal use, and the control governing valve who provides has pressure differential regulatory function.

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

a control regulating valve with a pressure difference regulating function comprises a valve body, wherein two conical flow guide rings are symmetrically fixed in the valve body, two sealing columns are symmetrically arranged in the two conical flow guide rings, two openings matched with the sealing columns are symmetrically formed in the outer wall of the valve body, a first shell and a second shell which are matched with the two openings are fixedly connected to the outer wall of the valve body, a valve rod is fixedly installed in the first shell, one end of the valve rod is rotatably connected with one sealing column, a partition plate is arranged in the second shell and fixedly connected with the second shell and the valve body, two movable plates are symmetrically arranged between the partition plate and the second shell and are connected with the second shell and the partition plate through a pressure control membrane, a fixed plate is arranged between the two movable plates and fixedly connected with the second shell, and another elastic assembly matched with the sealing column is arranged on the fixed plate, the side wall of the valve body is provided with two openings communicated with the second shell.

Preferably, the elastic component comprises two springs and a connecting rod, the connecting rod is fixedly connected with the two movable plates and the sealing column, the connecting rod is connected with the fixed plate in a sliding mode, the springs are movably sleeved with the connecting rod, and one ends of the springs are fixedly connected with two side walls of the fixed plate respectively.

Preferably, the sealing gaskets are fixedly arranged on the side walls of the two sealing columns opposite to one side of the two conical diversion rings, and the sealing gaskets are abutted to the conical diversion rings.

Preferably, the side walls of the opposite sides of the two sealing columns are respectively and fixedly connected with a conical block and provided with a conical groove.

Preferably, an electric actuator is fixed on the outer wall of the first housing, and the other end of the valve rod is connected with the output end of the electric actuator.

Preferably, a plurality of mounting holes are symmetrically formed in the side walls of the two ends of the valve body.

Compared with the prior art, the utility model provides a control governing valve with pressure differential regulatory function possesses following beneficial effect:

1. this control governing valve with pressure differential regulatory function, through toper water conservancy diversion ring, sealed post, second casing, baffle, fly leaf, pressure control diaphragm, fixed plate and the elastic component who is equipped with, can carry out automatically regulated when the pressure at valve body both ends is different, plays the effect of balanced flow, and then guarantees the normal use of valve body.

2. This control governing valve with pressure differential regulatory function can operate valve rod and sealed post through the electric actuator who is equipped with, is convenient for open and close of valve body.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can carry out automatically regulated when the pressure at valve body both ends is different, play the effect of balanced flow, and then guarantee the normal use of valve body.

Drawings

Fig. 1 is a schematic structural diagram of a control regulating valve with a pressure difference regulating function according to the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the valve comprises a valve body 1, a conical diversion ring 2, a sealing column 3, a first shell 4, a second shell 5, a valve rod 6, a partition plate 7, a movable plate 8, a pressure control diaphragm 9, a fixed plate 10, a spring 11, a connecting rod 12, an opening 13, a sealing gasket 14, a conical block 15 and an electric actuator 16.

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.

Referring to fig. 1-2, a control regulating valve with pressure difference regulating function comprises a valve body 1, two conical flow guide rings 2 are symmetrically fixed in the valve body 1, two sealing columns 3 are symmetrically arranged in the two conical flow guide rings 2, two openings matched with the sealing columns 3 are symmetrically arranged on the outer wall of the valve body 1, a first shell 4 and a second shell 5 matched with the two openings are fixedly connected to the outer wall of the valve body 1, a valve rod 6 is fixedly installed in the first shell 4, one end of the valve rod 6 is rotatably connected with one sealing column 3, a partition plate 7 is arranged in the second shell 5, the partition plate 7 is fixedly connected with the second shell 5 and the valve body 1, two movable plates 8 are symmetrically arranged between the partition plate 7 and the second shell 5, the two movable plates 8 are both connected with the second shell 5 and the partition plate 7 through a pressure control membrane 9, a fixing plate 10 is arranged between the two movable plates 8, and the fixed plate 10 is fixedly connected with the second shell 5, the fixed plate 10 is provided with another elastic component matched with the sealing column 3, and the side wall of the valve body 1 is provided with two openings 13 communicated with the second shell 5.

The elastic component comprises two springs 11 and a connecting rod 12, the connecting rod 12 is fixedly connected with the two movable plates 8 and the sealing column 3, the connecting rod 12 is slidably connected with the fixed plate 10, the two springs 11 are movably sleeved with the connecting rod 12, and one ends of the two springs 11 are fixedly connected with two side walls of the fixed plate 10 respectively.

The sealing gasket 14 is fixedly arranged on the side wall of one side of each of the two conical diversion rings 2 of the two sealing columns 3 opposite to each other, and the sealing gasket 14 abuts against the conical diversion rings 2, so that the sealing effect of the sealing columns 3 on the conical diversion rings 2 is improved.

The lateral wall of two sealed posts 3 one side in opposite directions is fixedly connected with toper piece 15 respectively and has seted up the tapered slot, can improve the stability when two sealed posts 3 offset.

An electric actuator 16 is fixed on the outer wall of the first housing 4, and the other end of the valve rod 6 is connected with the output end of the electric actuator 16, so that the valve rod 6 can be controlled to move up and down.

A plurality of mounting holes are symmetrically formed in the side walls at the two ends of the valve body 1, and the valve body 1 is convenient to mount.

In the utility model, when in use, the valve rod 6 and one sealing column 3 can move up and down through the electric actuator 16, the increase and decrease of the flow of the valve body 1 are controlled, when the pressure at the two ends of the valve body 1 is not changed, the two springs 11 are both located at the initial position, and the other sealing column 3 is kept at the original position, when the pressure difference is generated at the two ends of the valve body 1, the liquid in the valve body 1 enters the second shell 5 through the opening 13, when the pressure at the left side of the valve body 1 is larger, the two movable plates 8 can move up, the connecting rod 12 and the sealing column 3 are driven to move up, and the two springs 11 are compressed, when the pressure at the right side of the valve body 1 is larger, the two movable plates 8 can move down, the connecting rod 12 and the sealing column 3 are driven to move down, and the two springs 11 are also compressed, so that the pressure difference can be adjusted, play the effect of balanced flow, and can make sealed post 3 and connecting rod 12 return the normal position automatically through the elasticity of spring 11 after the regulation is accomplished, the rethread is equipped with pressure control diaphragm 9, can play the effect of protection to connecting rod 12 and spring 11.

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 control regulating valve with the pressure difference regulating function comprises a valve body (1) and is characterized in that two conical flow guide rings (2) are symmetrically fixed in the valve body (1), two sealing columns (3) are symmetrically arranged in the conical flow guide rings (2), two openings matched with the sealing columns (3) are symmetrically formed in the outer wall of the valve body (1), a first shell (4) and a second shell (5) which are matched with the two openings are fixedly connected to the outer wall of the valve body (1), a valve rod (6) is fixedly installed in the first shell (4), one end of the valve rod (6) is rotatably connected with one sealing column (3), a partition plate (7) is arranged in the second shell (5), the partition plate (7) is fixedly connected with the second shell (5) and the valve body (1), two movable plates (8) are symmetrically arranged between the partition plate (7) and the second shell (5), and two fly leafs (8) are all connected through pressure control diaphragm (9) and second casing (5) and baffle (7), two be equipped with fixed plate (10) between fly leaf (8), and fixed plate (10) and second casing (5) fixed connection, be equipped with another sealed post (3) assorted elastic component on fixed plate (10), two openings (13) that are linked together with second casing (5) are seted up to the lateral wall of valve body (1).

2. The control and regulation valve with the pressure difference regulation function according to claim 1, wherein the elastic component comprises two springs (11) and a connecting rod (12), the connecting rod (12) is fixedly connected with the two movable plates (8) and the sealing column (3), the connecting rod (12) is slidably connected with the fixed plate (10), the two springs (11) are movably sleeved with the connecting rod (12), and one ends of the two springs (11) are respectively fixedly connected with two side walls of the fixed plate (10).

3. The control and regulation valve with the pressure difference regulation function according to claim 1, characterized in that the side walls of the two sealing columns (3) facing the two conical diversion rings (2) are both fixedly provided with a sealing gasket (14), and the sealing gasket (14) abuts against the conical diversion rings (2).

4. The control regulating valve with the pressure difference regulating function according to claim 1, wherein the side walls of the opposite sides of the two sealing columns (3) are respectively fixedly connected with a conical block (15) and provided with a conical groove.

5. The control and regulation valve with the pressure difference regulation function according to claim 1, characterized in that an electric actuator (16) is fixed on the outer wall of the first housing (4), and the other end of the valve rod (6) is connected with the output end of the electric actuator (16).

6. The control and regulation valve with the pressure difference regulation function according to claim 1, characterized in that a plurality of mounting holes are symmetrically formed on the side walls of both ends of the valve body (1).