CN216895982U

CN216895982U - Balance valve with high stability

Info

Publication number: CN216895982U
Application number: CN202220109865.1U
Authority: CN
Inventors: 张志钊; 凌珠爱
Original assignee: Ningbo Weisen Bole Machinery Manufacture Co ltd
Current assignee: Ningbo Weisen Bole Machinery Manufacture Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-07-05
Anticipated expiration: 2032-01-17

Abstract

The utility model relates to the field of balance valves, in particular to a balance valve with high stability, which comprises a valve body, wherein a valve sleeve is hermetically arranged on one side of a valve cavity in the valve body, a valve seat is arranged in the valve cavity, a second spring is arranged between the valve seat and the valve cavity, a valve rod is arranged on one side of the valve seat, a spring seat is arranged on the other side of the valve seat, one end of the spring seat is connected with a piston in the valve sleeve through a first spring, a pressure regulating screw is inserted and arranged at one end of the valve sleeve, and a cover-shaped nut is sleeved and arranged on the outer side of the pressure regulating screw The impact resistance capability further improves the stability of the balance valve.

Description

Balance valve with high stability

Technical Field

The utility model relates to the technical field of balance valves, in particular to a balance valve with high stability.

Background

The balance valve is a valve with special function, and the valve itself has no special features, and only has different use functions and places. In some industries, because of the large pressure or flow differences of the media (flowable materials of various types) in various parts of the pipes or vessels, in order to reduce or balance the differences, valves are installed between the corresponding pipes or vessels to adjust the relative balance of the pressures on both sides, or to achieve flow balance by means of flow splitting.

When the balance valve in the prior art is in shunting balance, the pressure resistance and the impact resistance are relatively common, so that the stability of the valve body is relatively low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a balanced valve with high stability.

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

the utility model provides a balanced valve that stationarity is high, includes the valve body, one side seal of valve pocket in the valve body installs the valve barrel, and installs the disk seat in the valve pocket, installs the second spring between disk seat and the valve pocket, and the valve rod is installed to one side of disk seat, and the spring holder is installed to the opposite side of disk seat, and the one end of spring holder is through the piston connection in first spring and the valve barrel, and the one end of valve barrel inserts and establishes and install the pressure regulating screw, and the outside cover of pressure regulating screw is established and is installed the cover type nut.

Preferably, the pressure regulating screw is installed on the valve sleeve through a hexagon nut and a gasket, and the pressure regulating screw is inserted into one end of the valve sleeve to contact with the piston.

Preferably, the piston is slidably disposed in the valve housing, and a first O-ring is disposed outside the piston.

Preferably, the valve sleeve is hermetically installed at one side of the valve body through a second O-ring.

Preferably, the valve seat is hermetically installed in the valve cavity of the valve body through a third O-ring.

Preferably, the second spring is abutted between the valve seat and a gasket arranged on the wall of the valve cavity.

Preferably, a fourth O-shaped sealing ring is installed on one end, far away from the valve seat, of the valve rod.

The utility model has the beneficial effects that:

in the utility model, the valve body consists of a valve rod, a valve seat, a spring seat, a valve sleeve, a piston and a pressure regulating screw on the valve body, and a corresponding spring and an O-shaped sealing ring, wherein the second spring and the first spring are used for carrying out graded buffering, so that the shock resistance of the balance valve is improved, and the balance valve is more stable;

and the first O-shaped sealing ring arranged on the piston, the second O-shaped sealing ring arranged on the valve sleeve and the third O-shaped sealing ring arranged on the valve seat, and the valve rod are far away from the four O-shaped sealing rings arranged on the valve seat, so that the compression resistance and impact resistance of the balance valve are greatly improved through the use of the O-shaped sealing rings, and the stability of the balance valve is further improved.

Drawings

FIG. 1 is a schematic sectional view of a balanced valve with high smoothness according to the present invention;

fig. 2 is a schematic structural diagram of a high-stability balance valve provided by the utility model.

In the figure: the valve comprises a 1-cover-type nut, a 2-pressure-regulating screw, a 3-hexagon nut, a 4-gasket, a 5-valve sleeve, a 6-piston, a 7-first O-shaped sealing ring, a 8-first spring, a 9-second O-shaped sealing ring, a 10-valve body, a 11-spring seat, a 12-valve rod, a 13-valve seat, a 14-third O-shaped sealing ring, a 15-second spring, a 16-gasket and a 17-fourth O-shaped sealing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-2, a balanced valve with high stability comprises a valve body 10, a valve pocket 5 is hermetically installed on one side of a valve cavity in the valve body 10, a valve seat 13 is installed in the valve cavity, a second spring 15 is installed between the valve seat 13 and the valve cavity, a valve rod 12 is installed on one side of the valve seat 13, a spring seat 11 is installed on the other side of the valve seat 13, one end of the spring seat 11 is connected with a piston 6 in the valve pocket 5 through a first spring 8, one end of the valve pocket 5 is inserted and installed with a pressure regulating screw 2, and a cover-shaped nut 1 is installed on the outer side of the pressure regulating screw 2 in a sleeved mode.

Wherein, the pressure regulating screw 2 is installed on the valve housing 5 through the hexagon nut 3 and the washer 4, and the pressure regulating screw 2 is inserted into one end of the valve housing 5 to contact with the piston 6.

The piston 6 is arranged in the valve sleeve 5 in a sliding manner, and a first O-shaped sealing ring 7 is arranged on the outer side of the piston 6; the valve sleeve 5 is hermetically arranged on one side of the valve body 10 through a second O-shaped sealing ring 9; the valve seat 13 is hermetically arranged in a valve cavity of the valve body 10 through a third O-shaped sealing ring 14; and a fourth O-shaped sealing ring 17 is arranged at one end of the valve rod 12 far away from the valve seat 13, and the compression resistance and impact resistance of the valve body 10 are greatly improved by using the O-shaped sealing ring.

Wherein the second spring 15 is arranged against the valve seat 13 and a gasket 16 arranged on the valve chamber wall.

In this embodiment, the valve body 10 is composed of a valve rod 12, a valve seat 13, a spring seat 11, a valve housing 5, a piston 6 and a pressure regulating screw 2 on the valve body 5, and a corresponding spring and an O-ring, wherein the second spring 15 and the first spring 8 are used for graded buffering, so that the impact resistance of the balance valve is improved, and the balance valve is more stable.

Meanwhile, the first O-shaped sealing ring 7 arranged on the piston 6, the second O-shaped sealing ring 9 arranged on the valve sleeve 5, the third O-shaped sealing ring 14 arranged on the valve seat 13, and the four O-shaped sealing rings 17 arranged on the valve seat 13 and far away from the valve rod 12 greatly increase the compression resistance and impact resistance of the balance valve through the use of the O-shaped sealing rings, and further improve the stability of the balance valve.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a balanced valve that stationarity is high, including valve body (10), a serial communication port, valve barrel (5) are installed to one side seal of valve pocket in valve body (10), and install disk seat (13) in the valve pocket, install second spring (15) between disk seat (13) and the valve pocket, valve rod (12) are installed to one side of disk seat (13), spring holder (11) are installed to the opposite side of disk seat (13), the one end of spring holder (11) is connected through piston (6) in first spring (8) and valve barrel (5), and the one end of valve pocket (5) is inserted and is established and install pressure regulating screw (2), and the outside cover of pressure regulating screw (2) is established and is installed lid type nut (1).

2. The high-stability balance valve according to claim 1, wherein the pressure regulating screw (2) is installed on the valve sleeve (5) through a hexagon nut (3) and a gasket (4), and the pressure regulating screw (2) is inserted into one end of the valve sleeve (5) to be in contact with the piston (6).

3. A highly stable balanced valve according to claim 1, characterized in that the piston (6) is slidably arranged in the valve housing (5), and the outside of the piston (6) is provided with a first O-ring (7).

4. A balanced valve with high smoothness according to claim 1, characterized in that the valve housing (5) is sealingly mounted on one side of the valve body (10) by a second O-ring seal (9).

5. A highly stable balanced valve according to claim 1, characterised in that the valve seat (13) is sealingly mounted in the valve cavity of the valve body (10) by means of a third O-ring seal (14).

6. A highly stable equaliser valve according to claim 1, characterised in that said second spring (15) is arranged to abut between the valve seat (13) and a gasket (16) arranged on the valve chamber wall.

7. A highly stable balance valve according to claim 1 wherein the end of the valve stem (12) remote from the valve seat (13) is fitted with a fourth O-ring seal (17).