CN221922082U - Metal wear-resistant ball valve - Google Patents

Abstract

The utility model relates to the technical field of ball valves, and in particular to a metal wear-resistant ball valve, comprising an upper mounting frame and a control rod, a control rod is arranged on the inner side of the upper mounting frame, a lower mounting column is arranged on the outer side of the lower end of the control rod, a mounting ring is fixedly connected to the lower section of the control rod, a silicone ring is arranged on the outer side of the lower mounting column, the mounting ring is fixedly connected to a first valve body by a first bolt, the first valve body is fixedly connected to a second valve body by a second bolt, the lower end of the lower mounting column is fixedly connected to a valve ball by a screw, and a valve seat is arranged on the inner side of the first valve body. In the utility model, the device is composed of a multi-section combination, which provides convenience for later maintenance. At the same time, when the temperature of the valve changes drastically, the first U-shaped spring energy storage boosting valve seat can adjust itself according to the changes in pressure and temperature, and at the same time reduces the torque of the valve. The pressure of the medium combined with the elastic energy storage of the metal ring provides a minimum pre-tightening force for the sealing pressure ratio, thereby extending the service life of the valve.

Description

A metal wear-resistant ball valve

Technical Field

The utility model relates to the technical field of ball valves, in particular to a metal wear-resistant ball valve.

Background Art

The construction of high-pressure hydrogenation equipment will become the focus and hotspot of my country's petroleum refining industry. The research and development of hydrogenation valves has become an important task in the research and development of the valve industry. Ball valves have a wide range of applications due to their small flow resistance, rapid switching, good sealing performance, long service life, and easy gas and electric control.

The valve body of an existing metal wear-resistant ball valve is an integrated structure. When damage occurs inside the valve body, it is inconvenient to repair, which increases the repair time and delays the normal use of the ball valve. Therefore, a metal wear-resistant ball valve is proposed to address the above problems.

Utility Model Content

The utility model aims to provide a metal wear-resistant ball valve to solve the problem that the valve body of the existing metal wear-resistant ball valve is an integrated structure, and when damage occurs inside the valve body, it is inconvenient to repair, which increases the repair time and delays the normal use of the ball valve.

In order to achieve the above purpose, the utility model provides the following technical solutions:

A metal wear-resistant ball valve comprises an upper mounting frame and a control rod, a control rod is arranged on the inner side of the upper mounting frame, a lower mounting column is arranged on the outer side of the lower end of the control rod, a mounting ring is fixedly connected to the control rod section, a silicone ring is arranged on the outer side of the lower mounting column, the mounting ring is fixedly connected to the first valve body by a first bolt, the first valve body is fixedly connected to the second valve body by a second bolt, the lower end of the lower mounting column is fixedly connected to the valve ball by a screw, a valve seat is arranged on the inner side of the first valve body, a first sealing ring is fixedly connected to the inner side of the first valve body, a movable notch is opened on the inner side of the valve seat, a first U-shaped spring is arranged on the inner side of the movable notch, a metal ring is arranged on one side of the valve seat, a second U-shaped spring is arranged on the outer side of the valve seat, an upper column groove is arranged on the inner side of the first valve body, and a second sealing ring is fixedly connected to the inner side of the second valve body.

As a further optimization of the present invention, a groove is provided on the inner side of the upper end of the upper mounting frame, the control rod is mounted on the inner side of the groove of the upper mounting frame, and the lower end of the upper mounting frame is fitted with the upper end of the first valve body.

As a further optimization of the present invention, a fixing hole is opened on the inner side of the lower end of the upper mounting frame, a third bolt is arranged on the inner side of the fixing hole of the upper mounting frame, the upper mounting frame is fixedly connected to the first valve body by the third bolt, and a threaded hole is opened on the upper end of the first valve body.

As a further optimization of the present invention, the outer side of the lower mounting column is mounted on the inner side of the upper column groove, the outer side of the upper mounting frame is fitted with the inner side of the silicone ring, the outer side of the silicone ring is fitted with the inner side of the upper column groove, the number of the silicone rings is certain, and the inner side of the silicone ring is hollow.

As further optimized content of the present utility model, one side of the second valve body is fitted with one side of the first valve body, the front end diameter of the second valve body is the same as the rear end diameter of the first valve body, a threaded hole is provided on the inner side of the rear end of the first valve body, a mounting hole is provided on the inner side of the second valve body, and the number of the second bolts is certain.

As a further optimization of the present invention, the inner side of the second sealing ring is in contact with the outer side of the valve ball, the inner side of the first sealing ring is in contact with the outer side of the valve ball, and the inner side of the valve seat is in contact with the outer side of the valve ball.

As a further optimization of the present invention, a groove is provided on the inner side of the first valve body, the valve seat is installed on the inner side of the groove of the first valve body, one side of the metal ring is in contact with one side of the valve seat, one side of the metal ring is in contact with one side of the second U-shaped spring, and the inner side of the valve seat is flush with the inner side of the first valve body.

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

In the utility model, the device is composed of a multi-stage combination through the provision of a second valve body, a first valve body, an upper mounting frame, a second bolt, a first bolt, a valve seat, a second U-shaped spring, a first U-shaped spring and a mounting ring, which provides convenience for later maintenance. At the same time, when the temperature of the valve changes drastically, the first U-shaped spring energy storage booster valve seat can adjust itself according to the changes in pressure and temperature, and at the same time reduces the torque of the valve. The pressure of the medium combined with the elastic energy storage of the metal ring provides a minimum preload force for the sealing pressure ratio. The ingenious structural design greatly prolongs the service life of the valve.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a schematic diagram of the structure of the upper mounting frame of the utility model;

Figure 3 is a schematic diagram of the structure of the second valve body of the utility model;

FIG4 is a schematic diagram of the structure of the first valve body of the utility model;

FIG. 5 is a schematic diagram of the structure of point A in FIG. 4 of the present invention.

In the figure: 1. upper mounting frame; 2. control rod; 3. lower mounting column; 4. mounting ring; 5. silicone ring; 6. first bolt; 7. first valve body; 8. second valve body; 9. second bolt; 10. valve ball; 11. valve seat; 12. first sealing ring; 13. movable notch; 14. first U-shaped spring; 15. metal ring; 16. second U-shaped spring; 17. upper column groove; 18. second sealing ring; 19. third bolt.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and/or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and/or combinations thereof.

Please refer to Figures 1-5, the utility model provides a technical solution:

A metal wear-resistant ball valve comprises an upper mounting frame 1 and a control rod 2, wherein the control rod 2 is arranged on the inner side of the upper mounting frame 1, a lower mounting column 3 is arranged on the outer side of the lower end of the control rod 2, a mounting ring 4 is fixedly connected to the control rod 2, a silicone ring 5 is arranged on the outer side of the lower mounting column 3, the mounting ring 4 is fixedly connected to a first valve body 7 through a first bolt 6, the first valve body 7 is fixedly connected to a second valve body 8 through a second bolt 9, a valve ball 10 is fixedly connected to the lower end of the lower mounting column 3 through a screw, a valve seat 11 is arranged on the inner side of the first valve body 7, a first sealing ring 12 is fixedly connected to the inner side of the first valve body 7, a movable notch 13 is provided on the inner side of the valve seat 11, a first U-shaped spring 14 is arranged on the inner side of the movable notch 13, a metal ring 15 is arranged on one side of the valve seat 11, a second U-shaped spring 16 is arranged on the outer side of the valve seat 11, an upper column groove 17 is arranged on the inner side of the first valve body 7, and a second sealing ring 18 is fixedly connected to the inner side of the second valve body 8.

As a further implementation of this solution, a groove is provided inside the upper end of the upper mounting frame 1, and the control rod 2 is installed inside the groove of the upper mounting frame 1, and the lower end of the upper mounting frame 1 is fitted with the upper end of the first valve body 7, so that the control rod 2 is conveniently installed inside the upper mounting frame 1;

As a further implementation of this solution, a fixing hole is provided inside the lower end of the upper mounting frame 1, and a third bolt 19 is provided inside the fixing hole of the upper mounting frame 1. The upper mounting frame 1 is fixedly connected to the first valve body 7 through the third bolt 19, and a threaded hole is provided on the upper end of the first valve body 7, so that the upper mounting frame 1 and the first valve body 7 can be installed and fixed, and it is convenient to disassemble them later.

As a further implementation of this solution, the outer side of the lower mounting column 3 is mounted on the inner side of the upper column groove 17, the outer side of the upper mounting frame 1 is fitted with the inner side of the silicone ring 5, the outer side of the silicone ring 5 is fitted with the inner side of the upper column groove 17, the number of silicone rings 5 is certain, and the inner side of the silicone ring 5 is hollow, which is convenient for the lower mounting column 3 to be installed inside the upper column groove 17, and at the same time, it is convenient for the silicone ring 5 to seal between the lower mounting column 3 and the first valve body 7;

As a further implementation of this solution, one side of the second valve body 8 is fitted with one side of the first valve body 7, the diameter of the front end of the second valve body 8 is the same as the diameter of the rear end of the first valve body 7, a threaded hole is provided on the inner side of the rear end of the first valve body 7, a mounting hole is provided on the inner side of the second valve body 8, and a number of second bolts 9 are provided to facilitate fixing of the second valve body 8 to the first valve body 7 and facilitate later maintenance;

As a further implementation of this solution, the inner side of the second sealing ring 18 is in contact with the outer side of the valve ball 10, the inner side of the first sealing ring 12 is in contact with the outer side of the valve ball 10, and the inner side of the valve seat 11 is in contact with the outer side of the valve ball 10, so as to achieve the effect of sealing between the second valve body 8, the first valve body 7 and the valve ball 10;

As a further implementation scheme of the present scheme, a groove is opened on the inner side of the first valve body 7, and the valve seat 11 is installed on the inner side of the groove of the first valve body 7. One side of the metal ring 15 is in contact with one side of the valve seat 11, and one side of the metal ring 15 is in contact with one side of the second U-shaped spring 16. The inner side of the valve seat 11 is flush with the inner side of the first valve body 7, which provides a minimum preload force for the sealing pressure ratio and prolongs the service life of the valve.

Working process: When the device is in use and needs to be assembled, the valve ball 10 is placed on the inner side of the first valve body 7, the installation port at the upper end of the valve ball 10 is facing the upper column groove 17, the silicone ring 5 is sleeved on the outside of the lower installation column 3, the silicone ring 5 follows the lower installation column 3, and the lower installation column 3 is fixed to the valve ball 10 by screws. At this time, the outer side of the valve ball 10 is in contact with the second sealing ring 18, the valve seat 11 and the inner side of the first sealing ring 12, the lower end of the installation ring 4 is close to the upper end of the first valve body 7, and the installation ring 4 is fixed to the first valve body 7 by the first bolt 6, and the silicone ring 5 sleeves the installation port at the upper end of the upper mounting frame 1 on the control On the outside of the rod 2, the upper mounting frame 1 and the first valve body 7 are fixedly connected by the third bolt 19, and the second valve body 8 is fixed to the first valve body 7 by the second bolt 9. At this time, the installation is completed. This installation method is convenient for targeted disassembly and maintenance in the later stage. When in use, the first U-shaped spring 14 and the second U-shaped spring 16 can pressurize the sealing ring, which can adjust itself according to the changes in pressure and temperature, and at the same time reduce the torque of the valve. The pressure of the medium combined with the elastic energy storage of the metal ring 15 provides a minimum preload force for the sealing pressure ratio. The ingenious structural design greatly extends the service life of the valve.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A metal wear-resistant ball valve, comprising an upper mounting frame (1) and a control rod (2), characterized in that: a control rod (2) is arranged on the inner side of the upper mounting frame (1), a lower mounting column (3) is arranged on the outer side of the lower end of the control rod (2), a mounting ring (4) is fixedly connected to the lower portion of the control rod (2), a silicone ring (5) is arranged on the outer side of the lower mounting column (3), the mounting ring (4) is fixedly connected to a first valve body (7) by a first bolt (6), the first valve body (7) is fixedly connected to a second valve body (8) by a second bolt (9), the lower end of the lower mounting column (3) is fixedly connected to the lower end of the control rod (2), and the lower end of the lower mounting column (3) is fixedly connected to the lower end of the control rod (2). A valve ball (10) is fixedly connected to the first valve body (7), a valve seat (11) is arranged on the inner side of the first valve body (7), a first sealing ring (12) is fixedly connected to the inner side of the first valve body (7), a movable notch (13) is provided on the inner side of the valve seat (11), a first U-shaped spring (14) is arranged on the inner side of the movable notch (13), a metal ring (15) is arranged on one side of the valve seat (11), a second U-shaped spring (16) is arranged on the outer side of the valve seat (11), an upper column groove (17) is arranged on the inner side of the first valve body (7), and a second sealing ring (18) is fixedly connected to the inner side of the second valve body (8). 2. A metal wear-resistant ball valve according to claim 1, characterized in that: a groove is provided on the inner side of the upper end of the upper mounting frame (1), the control rod (2) is mounted on the inner side of the groove of the upper mounting frame (1), and the lower end of the upper mounting frame (1) is in contact with the upper end of the first valve body (7). 3. A metal wear-resistant ball valve according to claim 1, characterized in that: a fixing hole is opened on the inner side of the lower end of the upper mounting frame (1), a third bolt (19) is arranged on the inner side of the fixing hole of the upper mounting frame (1), the upper mounting frame (1) is fixedly connected to the first valve body (7) by the third bolt (19), and a threaded hole is opened on the upper end of the first valve body (7). 4. A metal wear-resistant ball valve according to claim 1, characterized in that: the outer side of the lower mounting column (3) is mounted on the inner side of the upper column groove (17), the outer side of the upper mounting frame (1) is fitted with the inner side of the silicone ring (5), the outer side of the silicone ring (5) is fitted with the inner side of the upper column groove (17), the number of the silicone rings (5) is certain, and the inner side of the silicone ring (5) is hollow. 5. A metal wear-resistant ball valve according to claim 1, characterized in that: one side of the second valve body (8) is in contact with one side of the first valve body (7), the diameter of the front end of the second valve body (8) is the same as the diameter of the rear end of the first valve body (7), a threaded hole is provided on the inner side of the rear end of the first valve body (7), a mounting hole is provided on the inner side of the second valve body (8), and the number of the second bolts (9) is a certain number. 6. A metal wear-resistant ball valve according to claim 1, characterized in that: the inner side of the second sealing ring (18) is in contact with the outer side of the valve ball (10), the inner side of the first sealing ring (12) is in contact with the outer side of the valve ball (10), and the inner side of the valve seat (11) is in contact with the outer side of the valve ball (10). 7. A metal wear-resistant ball valve according to claim 1, characterized in that: a groove is provided on the inner side of the first valve body (7), the valve seat (11) is installed on the inner side of the groove of the first valve body (7), one side of the metal ring (15) is in contact with one side of the valve seat (11), one side of the metal ring (15) is in contact with one side of the second U-shaped spring (16), and the inner side of the valve seat (11) is flush with the inner side of the first valve body (7).