A ball valve

Abstract

The utility model relates to the technical field of ball valves for semiconductor manufacturing, a ball valve, including a valve body, the top of the valve body is rotatably connected to a rotating shaft, one end of the valve body is fixedly connected to a filtering mechanism, the water inlet pipe is fixedly connected to one end of the valve body, the threaded joint is fixedly connected to the outer end of the water inlet pipe, the fixing nut is threadedly connected to the threaded joint, the pressure ring is fixedly connected to the inner wall of the fixing nut, the gasket groove is opened at the outer end of the inner wall of the threaded joint, the fixing groove is opened at the bottom of the gasket groove, the clamping ring is fixedly inserted in the inside of the fixing groove, the filter cartridge is fixedly connected to the clamping ring, and the sealing gasket ring is fixedly inserted in the inside of the gasket groove. The ball valve is threadedly connected to a fixing nut on the threaded joint set at the outer end of the water inlet pipe, and the pressure ring set on the inner wall of the fixing nut contacts and squeezes the clamping ring installed inside the threaded joint to fix the clamping ring and the filter cartridge.

Description

Technical Field

[0001] The utility model relates to the technical field of semiconductor manufacturing ball valves, in particular to a ball valve. Background Art

[0002] A ball valve is a valve whose ball opening and closing parts are driven by the valve stem and rotate around the axis of the ball valve. It can be used for fluid regulation and control. The ball valve is mainly used in pipelines to cut off, distribute and change the flow direction of the medium. It can be closed or opened by simply rotating 90 degrees.

[0003] The above device does not have a ball valve filtering structure when in use, so when the existing ball valve is in use, if the liquid flowing in the pipe contains hard impurities or metal debris, the impurities or metal debris can easily damage the valve core of the ball valve as the liquid flows, affecting the cutting and sealing effect. Based on the shortcomings of the existing technology, the utility model designs a ball valve. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a ball valve having the advantages of ball valve filtering.

[0005] The utility model provides the following technical solution: a ball valve, comprising a valve body, the top of the valve body is rotatably connected to a rotating shaft, and one end of the valve body is fixedly connected to a filtering mechanism;

[0006] A filtering mechanism, the filtering mechanism includes a water inlet pipe, a threaded joint, a fixing nut, a pressure ring, a gasket groove, a fixing groove, a clamping ring, a filter cartridge and a sealing gasket ring, the water inlet pipe is fixedly connected to one end of the valve body, the threaded joint is fixedly connected to the outer end of the water inlet pipe, the fixing nut is threadedly connected to the threaded joint, the pressure ring is fixedly connected to the inner wall of the fixing nut, the gasket groove is opened at the outer end of the inner wall of the threaded joint, the fixing groove is opened at the bottom of the gasket groove, the clamping ring is fixedly inserted in the inside of the fixing groove, the filter cartridge is fixedly connected to the clamping ring, and the sealing gasket ring is fixedly inserted in the inside of the gasket groove.

[0007] As an optimal technical solution of the utility model, one end of the valve body is fixedly connected to a water outlet pipe, the outer end of the water outlet pipe is threadedly connected to a water outlet nut, the side wall of the valve body is fixedly connected to a reinforcing rod, and a rotating hole is opened on the top of the valve body.

[0008] As a preferred technical solution of the utility model, a valve core is rotatably connected to the bottom of the rotating shaft, a sealing ring is provided on the rotating shaft, an opening and closing plate is fixedly installed on the top of the rotating shaft, and a wrench is fixedly connected to the opening and closing plate.

[0009] As a preferred technical solution of the utility model, a rotating shaft is rotatably connected inside the rotating hole.

[0010] As a preferred technical solution of the utility model, the valve core is rotatably connected to the inside of the valve body, and the opening and closing plate is rotatably clamped on the top of the valve body.

[0011] As a preferred technical solution of the utility model, the sealing ring is arranged inside the rotating hole.

[0012] As a preferred technical solution of the utility model, the pressure ring is extruded and fixedly connected to the outer side of the sealing gasket ring.

[0013] As a preferred technical solution of the utility model, the sealing gasket ring is arranged between the pressure ring and the clamping ring, and the filter cartridge is fixedly inserted in the threaded joint and the inside of the water inlet pipe.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The ball valve is constructed by inserting a filter cartridge into a threaded joint and an inlet pipe, and then placing a clamping ring connected to the filter cartridge into an internal fixed limiter in a fixing groove. At this time, a sealing gasket is placed in the gasket groove to press the clamping ring, and a fixing nut is rotatably installed on the threaded joint. The sealing gasket is pressed by a pressure ring so that the pressure ring squeezes the sealing gasket to achieve sealing while pressing and fixing the clamping ring and the filter cartridge. When liquid in the pipe flows, the liquid passes through the valve body from the inlet pipe and is discharged from the outlet pipe. At this time, the clamping ring in the inlet pipe can effectively filter impurities carried in the liquid. The device is convenient for installing the filter cartridge to filter the liquid in the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the main structure of the ball valve of the utility model;

[0018] Figure 3 This is a schematic diagram of the explosion structure of the valve body of the utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the filter mechanism of the utility model;

[0020] Figure 5 This is a schematic diagram of the explosion structure of the filter mechanism of the utility model.

[0021] In the figure: 1. valve body; 101. water outlet pipe; 102. water outlet nut; 103. reinforcing rod; 104. rotating hole; 2. rotating shaft; 201. valve core; 202. sealing ring; 203. opening and closing plate; 204. wrench; 3. filtering mechanism; 301. water inlet pipe; 302. threaded joint; 303. fixing nut; 304. pressing ring; 305. gasket groove; 306. fixing groove; 307. snap ring; 308. filter cartridge; 309. sealing gasket ring. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-5 A ball valve comprises a valve body 1, the top of the valve body 1 is rotatably connected to a rotating shaft 2, one end of the valve body 1 is fixedly connected to a filtering mechanism 3, one end of the valve body 1 is fixedly connected to a water outlet pipe 101, the outer end of the water outlet pipe 101 is threadedly connected to a water outlet nut 102, a side wall of the valve body 1 is fixedly connected to a reinforcing rod 103, a rotating hole 104 is opened on the top of the valve body 1, and the rotating shaft 2 is rotatably connected inside the rotating hole 104.

[0024] See also Figure 4-5 , the filter mechanism 3 includes a water inlet pipe 301, a threaded joint 302, a fixing nut 303, a pressure ring 304, a gasket groove 305, a fixing groove 306, a clamping ring 307, a filter cartridge 308 and a sealing gasket ring 309. The water inlet pipe 301 is fixedly connected to one end of the valve body 1, the threaded joint 302 is fixedly connected to the outer end of the water inlet pipe 301, the fixing nut 303 is threadedly connected to the threaded joint 302, the pressure ring 304 is fixedly connected to the inner wall of the fixing nut 303, and the gasket groove 305 is opened At the outer end of the inner wall of the threaded joint 302, a fixing groove 306 is opened at the bottom of the gasket groove 305, a retaining ring 307 is fixedly inserted in the fixing groove 306, a filter cartridge 308 is fixedly connected to the retaining ring 307, a sealing gasket ring 309 is fixedly inserted in the gasket groove 305, a pressing ring 304 is squeezed and fixedly connected to the outer side of the sealing gasket ring 309, the sealing gasket ring 309 is arranged between the pressing ring 304 and the retaining ring 307, and the filter cartridge 308 is fixedly inserted in the threaded joint 302 and the water inlet pipe 301.

[0025] The filter cartridge 308 is provided to facilitate filtering of the liquid flowing in the water inlet pipe 301, and the retaining ring 307 is provided to facilitate fixing the filter cartridge 308 to prevent the filter cartridge 308 from being washed into the interior of the valve body 1 due to excessive water flow impact. The pressure ring 304 and the sealing gasket ring 309 are provided to improve the sealing performance of the connection between the fixing nut 303 and the threaded joint 302 while squeezing and fixing the retaining ring 307 to prevent the retaining ring 307 from loosening due to water flow impact and affecting the filtering effect.

[0026] See also Figure 3The bottom of the rotating shaft 2 is rotatably connected with a valve core 201, a sealing ring 202 is arranged on the rotating shaft 2, an opening and closing plate 203 is fixedly installed on the top of the rotating shaft 2, a wrench 204 is fixedly connected to the opening and closing plate 203, the valve core 201 is rotatably connected to the inside of the valve body 1, the opening and closing plate 203 is rotatably clamped on the top of the valve body 1, and the sealing ring 202 is arranged inside the rotating hole 104.

[0027] By setting the opening and closing plate 203, it is convenient to connect with the wrench 204 to control the rotation opening and closing of the valve core 201 and control the rotation angle of the valve core 201. By setting the rotating shaft 2 and the sealing ring 202, the sealing between the rotating shaft 2 and the rotating hole 104 can be improved.

[0028] Working principle: when a ball valve is used, in the initial state, first, the two ends of the valve body 1 are respectively provided with an outlet pipe 101 and a water inlet pipe 301, and the top of the valve core 201 rotatably connected inside the valve body 1 is connected with a rotating shaft 2, and the opening and closing plate 203 arranged at the top of the rotating shaft 2 is rotatably connected to the top of the valve body 1 and connected to the wrench 204, so as to control the rotation and the opening and closing angle of the valve core 201, and a fixing nut 303 is threadedly connected to the threaded joint 302 arranged at the outer end of the water inlet pipe 301, and a pressure ring 304 arranged on the inner wall of the fixing nut 303 contacts and squeezes the clamping ring 307 installed inside the threaded joint 302 to fix the clamping ring 307 and the filter cartridge 308;

[0029] When it is necessary to install the filter cartridge 308 to filter the liquid in the pipe, first insert the filter cartridge 308 into the inside of the threaded joint 302 and the water inlet pipe 301, and then place the clamping ring 307 connected to the filter cartridge 308 into the internal fixed limit of the fixing groove 306. At this time, the sealing gasket ring 309 is placed in the gasket groove 305 to press the clamping ring 307, and the fixing nut 303 is rotated and installed on the threaded joint 302. The sealing gasket ring 309 is pressed by the pressing ring 304 so that the pressing ring 304 squeezes the sealing gasket ring 309 to achieve sealing while pressing and fixing the clamping ring 307 and the filter cartridge 308. When the liquid in the pipe flows, the liquid will pass through the valve body 1 from the water inlet pipe 301 and be discharged from the water outlet pipe 101. At this time, the clamping ring 307 in the water inlet pipe 301 can effectively filter the impurities carried in the liquid. The device is convenient for installing the filter cartridge 308 to filter the liquid in the pipe.

[0030] Although 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

1. A ball valve, comprising a valve body (1), characterized in that: The top of the valve body (1) is rotatably connected to a rotating shaft (2), and one end of the valve body (1) is fixedly connected to a filtering mechanism (3); A filter mechanism (3), the filter mechanism (3) comprising a water inlet pipe (301), a threaded joint (302), a fixing nut (303), a pressure ring (304), a gasket groove (305), a fixing groove (306), a snap ring (307), a filter cartridge (308) and a sealing gasket ring (309), the water inlet pipe (301) being fixedly connected to one end of the valve body (1), the threaded joint (302) being fixedly connected to the outer end of the water inlet pipe (301), and the fixing nut (303) being threadedly connected to the outer end of the water inlet pipe (301). On the threaded joint (302), the pressure ring (304) is fixedly connected to the inner wall of the fixing nut (303), the gasket groove (305) is opened at the outer end of the inner wall of the threaded joint (302), the fixing groove (306) is opened at the bottom of the gasket groove (305), the clamping ring (307) is fixedly inserted into the inside of the fixing groove (306), the filter cartridge (308) is fixedly connected to the clamping ring (307), and the sealing gasket ring (309) is fixedly inserted into the inside of the gasket groove (305).

2. A ball valve according to claim 1, characterized in that: One end of the valve body (1) is fixedly connected to a water outlet pipe (101), the outer end of the water outlet pipe (101) is threadedly connected to a water outlet nut (102), a side wall of the valve body (1) is fixedly connected to a reinforcing rod (103), and a rotating hole (104) is provided on the top of the valve body (1).

3. A ball valve according to claim 1, characterized in that: The bottom of the rotating shaft (2) is rotatably connected to a valve core (201), a sealing ring (202) is provided on the rotating shaft (2), an opening and closing plate (203) is fixedly mounted on the top of the rotating shaft (2), and a wrench (204) is fixedly connected to the opening and closing plate (203).

4. A ball valve according to claim 2, characterized in that: A rotating shaft (2) is rotatably connected inside the rotating hole (104).

5. A ball valve according to claim 3, characterized in that: The valve core (201) is rotatably connected to the inside of the valve body (1), and the opening and closing plate (203) is rotatably clamped on the top of the valve body (1).

6. A ball valve according to claim 3, characterized in that: The sealing ring (202) is arranged inside the rotating hole (104).

7. A ball valve according to claim 1, characterized in that: The pressure ring (304) is pressed and fixedly connected to the outer side of the sealing gasket ring (309).

8. A ball valve according to claim 1, characterized in that: The sealing gasket ring (309) is arranged between the pressure ring (304) and the clamping ring (307), and the filter cartridge (308) is fixedly inserted into the threaded joint (302) and the inside of the water inlet pipe (301).

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