CN220600505U

CN220600505U - Ball valve

Info

Publication number: CN220600505U
Application number: CN202322324383.5U
Authority: CN
Inventors: 华爱爱
Original assignee: Zhejiang Zhongnan Copper Co ltd
Current assignee: Zhejiang Zhongnan Copper Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-15
Anticipated expiration: 2033-08-28

Abstract

The utility model provides a ball valve, and belongs to the technical field of ball valves. It has solved the current ball valve processing with high costs and has changed inconvenient problem. The ball valve comprises a ball valve body with a water inlet and a water outlet, wherein a valve core is arranged in the ball valve body, a valve rod matched with the valve core is arranged on the ball valve body, the ball valve body is positioned at the water inlet and the water outlet and is connected with the water inlet and the water outlet and matched with the ball valve body, and a limiting assembly for limiting the position of the valve core is arranged. The utility model has the advantages of reducing the processing difficulty and reducing the replacement cost.

Description

Ball valve

Technical Field

The utility model belongs to the technical field of ball valves, and relates to a ball valve.

Background

The ball valve is driven by the valve rod and rotates around the axis of the ball valve to realize the valve with the opening and closing function, so that the ball valve is relatively wide in application, most of the existing ball valves are of a spliced combined structure, the valve body is split into a left valve body and a right valve body, so that the valve core is convenient to assemble, and subsequent replacement is performed, but in the actual production process, when the tightness of a connecting part is affected to appear easily if deviation appears, the sealing of the connecting part is affected, so that the workpiece is scrapped, recasting is needed, the time is relatively wasted, the processing cost is improved, in the actual use process, the ball valve is easily affected by the outside, the connecting part is inconvenient to detach, the valve body is easily damaged once the connecting part is detached too much, and the valve body is inconvenient to maintain, so that the whole needs to be replaced, the replacement cost is increased, and meanwhile, the valve rod on the valve body is not limited in rotation, so that the valve is easy to open and close in the use process, so that the leakage phenomenon is caused.

Disclosure of Invention

The present utility model has been made keeping in mind the above problems occurring in the prior art, and an object of the present utility model is to provide a ball valve which is easy to assemble and replace and solves the above problems.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a ball valve, includes the ball valve main part that has water inlet and delivery port, is provided with the case in this ball valve main part, and be provided with on this ball valve main part with case matched with valve rod, its characterized in that, ball valve main part be located water inlet and delivery port department all be provided with rather than being connected, and cooperate with the ball valve main part to be used for limiting the spacing subassembly of case position, this spacing subassembly comprises spacing unit and assembly cell.

In the ball valve, the assembling unit is an assembling pipe, the inner end of the assembling pipe extends into the ball valve main body and props against the corresponding limiting unit and the valve core, the outer end of the assembling pipe extends out of the ball valve main body, the assembling pipe is positioned on the outer peripheral wall in the ball valve main body and is provided with a first convex ring part protruding radially outwards and being in sliding fit with the ball valve main body, the ball valve main body is positioned on the outer peripheral wall of the corresponding water inlet and water outlet and is provided with a second convex ring part protruding radially outwards and being convenient for installing the assembling pipe, the outer peripheral wall of the assembling pipe positioned on the second convex ring part is provided with a third convex ring part protruding radially outwards and being connected with the third convex ring part, and the assembling pipe is positioned on the opening of the outer end and is provided with a movable connecting unit connected with the assembling pipe and being convenient for being connected with other pipes.

In the ball valve, the loose joint unit is a loose joint ring, and the loose joint ring and the assembly pipe are movably connected through a plurality of balls.

In the ball valve, the limiting unit is a limiting valve seat, an embedded ring part protruding outwards axially and embedded into the assembling pipe is arranged at the outer end part of the limiting valve seat, an arc surface which is matched with the valve core in a fitting mode and enhances the sealing performance is arranged on the inner end face of the limiting valve seat, a convex ring part IV protruding outwards radially and matched with the inner part of the ball valve body in a sliding mode is arranged on the peripheral wall of the limiting valve seat, a sealing cavity is formed by matching the convex ring part IV with the ball valve body and the convex ring part I, and a sealing ring pad for enhancing the sealing performance is arranged at the position of the sealing cavity of the ball valve body.

In the ball valve, the upper end part of the valve rod is provided with the handle which is convenient for the valve rod to rotate, the handle consists of the fan-shaped part connected with the valve rod and the handle part connected with the fan-shaped part, the outer peripheral wall of the ball valve body at the valve rod is provided with the boss part which protrudes upwards axially and is convenient for the handle to be installed, the boss part is provided with the limiting rod connected with the boss part, and the fan-shaped part is provided with the movable groove which is used for the limiting rod to pass through to install and limit the rotation angle of the handle.

Compared with the prior art, the ball valve has the following advantages:

1. the ball valve main body is located water inlet and delivery port department and all is provided with rather than being connected, and cooperates with the ball valve main body to be used for limiting the spacing subassembly of case position, this spacing subassembly comprises spacing unit and assembly cell, and the setting of above-mentioned structure is convenient for its change and maintenance, reduces processing cost when improving the product percent of pass.

Drawings

Fig. 1 is a schematic perspective view of the ball valve.

Fig. 2 is a schematic cross-sectional view of the present ball valve.

In the figure, 1, a ball valve main body; 2. a valve core; 3. a valve stem; 4. assembling a pipe; 5. a convex ring part I; 6. a convex ring part II; 7. a convex ring part III; 8. a loose joint ring; 9. a limit valve seat; 10. an insert ring portion; 11. a convex ring part IV; 12. a seal ring pad; 13. a handle; 14. a boss portion; 15. a limit rod; 16. a movable groove.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 and 2, the ball valve comprises a ball valve body 1 with a water inlet and a water outlet, wherein the ball valve body 1 can also be a three-way valve, the outer peripheral wall of the ball valve body 1 can be coated with an anti-corrosion coating, a valve core 2 is arranged in the ball valve body 1, a valve rod 3 matched with the valve core 2 is arranged on the ball valve body 1, the ball valve body 1 is positioned at the water inlet and the water outlet, and is connected with the ball valve body 1 and is matched with a limiting component for limiting the position of the valve core 2, the limiting component consists of a limiting unit and an assembling unit, the assembling unit is an assembling pipe 4, the inner end of the assembling pipe 4 extends into the ball valve body 1 and props against the corresponding limiting unit with the valve core 2, the outer end of the assembling pipe 4 extends out of the ball valve body 1, the outer peripheral wall of the assembling pipe 4 positioned in the ball valve body 1 is provided with a radial outward bulge, the ball valve is slidably attached to the ball valve body 1, a first convex ring part 5 is arranged between the fitting pipe 4 and the ball valve body 1, a second convex ring part 6 which protrudes radially outwards and is convenient for installing the fitting pipe 4 is arranged on the peripheral wall of the ball valve body 1 corresponding to the water inlet and the water outlet, a third convex ring part 7 which protrudes radially outwards and is connected with the second convex ring part 6 is arranged on the peripheral wall of the fitting pipe 4 at the second convex ring part 6, the second convex ring part 6 and the third convex ring part 7 can be arranged in a rectangular structure, a loose joint unit which is connected with the fitting pipe 4 and is convenient for being connected with other pipe fittings is arranged at the opening of the outer end of the fitting pipe 4, the fitting pipe 4 can be directly assembled by internal threads or external threads, a limiting unit is a limiting valve seat 9, an embedded ring part 10 which protrudes axially outwards and is embedded in the fitting pipe 4 is arranged on the outer end of the limiting valve seat 9, the inner end face of the limit valve seat 9 is provided with an arc surface which is matched with the valve core 2 in a fitting way and enhances the sealing performance, the peripheral wall of the limit valve seat 9 is provided with a convex ring part IV 11 which protrudes radially outwards and is matched with the inside of the ball valve body 1 in a sliding way, the convex ring part IV 11 is matched with the ball valve body 1 and the convex ring part IV 5 to form a sealing cavity, and the ball valve body 1 is provided with a sealing ring pad 12 which enhances the sealing performance at the sealing cavity.

Further, in order to facilitate assembly, the loose-joint unit is a loose-joint ring 8, the loose-joint ring 8 and the assembly pipe 4 are movably connected through a plurality of balls, semicircular slideways for ball installation are formed on the outer peripheral wall of the loose-joint ring 8 and the inner peripheral wall of the assembly pipe 4, the two semicircular slideways form a complete slideway for ball installation through assembly, a through hole which is communicated with the slideway and is used for ball installation is formed on the outer peripheral wall of the slideway of the assembly pipe 4, and a sealing cover is arranged at the position of the through hole of the assembly pipe 4.

Further, in order to prevent the rotation angle of the handle 13 from being too large, the upper end part of the valve rod 3 is provided with a handle 13 which is connected with the handle and is convenient for the valve rod 3 to rotate, the handle 13 is composed of a fan-shaped part connected with the valve rod 3 and a handle part connected with the fan-shaped part, the outer peripheral wall of the ball valve body 1, which is positioned at the valve rod 3, is provided with a boss part 14 which protrudes upwards in the axial direction and is convenient for the handle 13 to be installed, the boss part 14 is provided with a limit rod 15 connected with the boss part, the fan-shaped part is provided with a movable groove 16 which is used for the limit rod 15 to penetrate through to be installed and limit the rotation angle of the handle 13, four corners of the boss part 14 are respectively provided with an installation protrusion which is connected with the boss part and is convenient for the limit rod 15 to be adjusted to be installed, a rubber sleeve can be arranged in the movable groove 16, and a reinforcing rib can be arranged between the boss part 6 and the boss part 14.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although the terms of the ball valve body 1, the valve spool 2, the valve stem 3, the fitting tube 4, the first male ring portion 5, the second male ring portion 6, the third male ring portion 7, the loose-joint ring 8, the check valve seat 9, the insert ring portion 10, the fourth male ring portion 11, the seal ring pad 12, the handle 13, the boss portion 14, the check rod 15, the movable groove 16, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The utility model provides a ball valve, includes ball valve body (1) that has water inlet and delivery port, is provided with case (2) in this ball valve body (1), and be provided with on this ball valve body (1) with case (2) matched with valve rod (3), its characterized in that, ball valve body (1) be located water inlet and delivery port department and all be provided with rather than being connected, and cooperate with ball valve body (1) to be used for limiting the spacing subassembly of case (2) position, this spacing subassembly comprises spacing unit and assembly cell.

2. The ball valve according to claim 1, wherein the assembling unit is an assembling pipe (4), the inner end of the assembling pipe (4) extends into the ball valve main body (1) and contacts the corresponding limiting unit with the valve core (2), the outer end of the assembling pipe (4) extends out of the ball valve main body (1), a first convex ring part (5) protruding radially outwards and being in sliding fit with the ball valve main body (1) is arranged on the outer peripheral wall of the assembling pipe (4) in the ball valve main body (1), a second convex ring part (6) protruding radially outwards and being convenient for installing the assembling pipe (4) is arranged on the outer peripheral wall of the second convex ring part (6), a third convex ring part (7) protruding radially outwards and being connected with the second convex ring part (6) is arranged on the outer peripheral wall of the assembling pipe (4), and a movable joint unit connected with the second convex ring part and being convenient for connecting with other pipes is arranged on the outer peripheral wall of the assembling pipe (1).

3. A ball valve according to claim 2, characterized in that the loose joint unit is a loose joint ring (8), and the loose joint ring (8) and the assembly tube (4) are movably connected through a plurality of balls.

4. The ball valve according to claim 1, characterized in that the limiting unit is a limiting valve seat (9), an embedded ring part (10) protruding outwards axially and embedded in the assembling pipe (4) is arranged at the outer end part of the limiting valve seat (9), an arc surface which is matched with the valve core (2) in a fitting way and enhances the sealing performance is arranged on the inner end surface of the limiting valve seat (9), a convex ring part IV (11) protruding outwards radially and matched with the inner part of the ball valve body (1) in a sliding way is arranged on the outer peripheral wall of the limiting valve seat (9), a sealing cavity is formed by matching the convex ring part IV (11) with the ball valve body (1) and the convex ring part IV (5), and a sealing ring gasket (12) for enhancing the sealing performance is arranged at the sealing cavity of the ball valve body (1).

5. A ball valve according to claim 1, characterized in that the upper end of the valve rod (3) is provided with a handle (13) for facilitating the rotation of the valve rod (3), the handle (13) is composed of a sector part connected with the valve rod (3) and a handle part connected with the sector part, the outer peripheral wall of the valve rod (3) of the ball valve body (1) is provided with a boss part (14) protruding upwards in the axial direction and facilitating the installation of the handle (13), the boss part (14) is provided with a limit rod (15) connected with the boss part, and the sector part is provided with a movable groove (16) for allowing the limit rod (15) to pass through the installation and limiting the rotation angle of the handle (13).