Lock control ball valve

Abstract

The lock control ball valve comprises a ball valve shell, a second connecting pipeline, a first connecting flange, a third connecting flange, a fourth connecting flange and a ball valve body, the ball valve body is installed in the ball valve shell, a ball valve inner hole is formed in the ball valve body, and a valve rod is installed in the center of the upper end of the ball valve body through threads. A handle is vertically fixed to the top of the upper end, penetrating through the ball valve shell, of the valve rod, a fixing device is fixedly connected to the upper end of the ball valve shell, the valve rod is arranged in the fixing device in a sleeved mode, three positioning holes are formed in the valve rod, and first connecting pipelines are fixed to the four ends of the ball valve shell; an extending pipeline is fixedly connected to the lower end of the middle of the second connecting pipeline, one end of the extending pipeline is sleeved with a port cap, and a filter cartridge is placed in the extending pipeline. Impurities in water are filtered through the filter cartridge, so that the blockage of the ball valve is reduced.

Description

Technical Field

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

[0002] A ball valve is a valve whose opening and closing part (ball) is driven by the valve stem and rotates around the axis of the ball valve. It can also be used for fluid regulation and control. Ball valves are divided into pneumatic ball valves, electric ball valves, and manual ball valves according to the driving method. Ball valves are widely used in oil refining, long-distance pipelines, chemicals, papermaking, pharmaceuticals, water conservancy, electricity, municipal administration, steel and other industries. Ball valves are mainly used to cut off, distribute and change the flow direction of the medium in the pipeline. It only needs to rotate 90 degrees and a very small torque to close tightly.

[0003] The announcement number is CN 219529884 U, a ball valve, the utility model discloses a ball valve, belonging to the field of valve manufacturing technology. The ball valve comprises a ball valve housing, both ends of the ball valve housing are fixedly installed with connecting flanges, the top of the ball valve housing is fixedly installed with a fixing block, the inside of the fixing block is rotatably connected with a valve stem, the upper end of the valve stem is fixedly installed with a handle, one end of the valve stem extending to the inside of the ball valve housing is fixedly installed with a rotating ball, the rotating ball is rotatably connected inside the connecting flange, a limiting disc is fixedly sleeved on the surface of the valve stem, and the limiting disc is rotatably connected inside the fixing block. The ball valve does not reset the moving rod by the pulling force of the reset spring after pulling the moving rod, and then the clamping rod is completely entered into the inside of another clamping groove, so as to facilitate the fixing of the limiting disc and the valve stem, prevent someone from accidentally touching the valve stem, causing the ball valve housing to open, improve the protection effect, reduce the waste of water resources, and at the same time improve the stability of use.

[0004] However, in the implementation of relevant technologies, it was found that the ball valve has the following problems: the device can only flow in one direction, and an extra one needs to be installed when encountering cross-pipes. When the device is used, there will be a small amount of mud and sand, which will clog the internal ball valve and prevent it from rotating smoothly. Utility Model Content

[0005] The utility model provides a locking ball valve, which solves the problem that the device can only flow in one direction, an additional valve needs to be installed when encountering cross pipes, and a small amount of mud and sand will block the internal ball valve when the device is used, resulting in failure to rotate smoothly.

[0006] The technical solution of the utility model is as follows:

[0007] A locking ball valve comprises a ball valve housing, a second connecting pipe, a first connecting flange, a third connecting flange, a fourth connecting flange and a ball valve, wherein a ball valve is installed inside the ball valve housing, and a ball valve inner hole is provided inside the ball valve, a valve stem is installed at the center position of the upper end of the ball valve by means of a thread, and the valve stem passes through the upper end of the ball valve housing and a handle is vertically fixed thereon, a fixing device is fixedly connected to the upper end of the ball valve housing, and the valve stem is sleeved inside the fixing device, and three positioning holes are provided on the valve stem, a first connecting pipe is fixedly connected to the four ends of the ball valve housing, and a first connecting flange is fixedly connected to one end of the first connecting pipe, a second connecting flange is placed on one side of the first connecting flange, and a first fixing screw is passed between the first connecting flange and the second connecting flange, and the first fixing A first fixing nut is sleeved on the screw, a second connecting pipe is fixedly connected to one end of the second connecting flange, and a third connecting flange is fixed to the other end of the second connecting pipe, a fourth connecting flange is placed on one side of the third connecting flange, and a second fixing screw is passed between the third connecting flange and the fourth connecting flange, a second fixing nut is sleeved on the second fixing screw, one end of the fourth connecting flange is fixedly connected to the third connecting pipe, an extension pipe is fixedly connected at the middle lower end of the second connecting pipe, and a port cap is sleeved on one end of the extension pipe, a filter cartridge is placed in the extension pipe, a first sealing rubber is placed between the first connecting flange and the second connecting flange, and a second sealing rubber is placed between the third connecting flange and the fourth connecting flange.

[0008] Preferably, the first connecting pipe and the second connecting pipe are connected and fixed via a first connecting flange and a second connecting flange.

[0009] Preferably, the first connecting flange forms a detachable structure with the second connecting flange through a first fixing screw and a first fixing nut, and the first connecting flange is connected and fixed to the second connecting flange through the first fixing screw and the first fixing nut.

[0010] Preferably, the second connecting pipe and the third connecting pipe are connected and fixed via a third connecting flange and a fourth connecting flange.

[0011] Preferably, the third connecting flange forms a detachable structure with the fourth connecting flange through the second fixing screw and the second fixing nut, and the third connecting flange is connected and fixed to the fourth connecting flange through the second fixing screw and the second fixing nut.

[0012] Preferably, a sealing ring is installed between the inner wall of the ball valve shell and the outer wall of the ball valve, and a sealing ring is installed between the valve stem and the ball valve shell.

[0013] Preferably, the extension pipe and the port cap form a detachable structure through threads, and the extension pipe and the port cap are connected and fixed by the threads.

[0014] Preferably, the third connecting pipe is connected to an external water pipe.

[0015] The working principle and beneficial effects of the utility model are:

[0016] The first connecting pipes are fixed to the four ends of the ball valve shell, and the inner hole of the ball valve of the internal ball valve is aligned with the pipe to allow the water in the straight pipe to flow. The valve stem is driven by the handle to rotate 90 degrees to close the current waterway and connect another one. The two waterways can be closed by rotating the handle to the intersection of the pipes. The valve stem can be fixed by rotating the screws in the fixing device into the positioning holes at the corresponding positions. An extension pipe is fixedly connected to the middle lower end of the second connecting pipe, and a port cap is provided at one end of the extension pipe. A filter cartridge is placed in the extension pipe. Impurities in the water are filtered by the filter cartridge to reduce blockage of the ball valve, which solves the problem that the device can only flow in one direction. When encountering cross-pipes, one more needs to be installed. When the device is in use, there will be a small amount of mud and sand, which will block the internal ball valve and cause it to not rotate smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a front view of the overall structure of the utility model;

[0020] Figure 3 It is a cross-sectional view of the overall structure of the utility model;

[0021] Figure 4 for Figure 1 A is an enlarged schematic diagram.

[0022] In the figure: 1. ball valve housing; 2. first connecting pipe; 3. second connecting pipe; 4. third connecting pipe; 5. first connecting flange; 6. second connecting flange; 7. third connecting flange; 8. fourth connecting flange; 9. first fixing screw; 10. first fixing nut; 11. second fixing screw; 12. second fixing nut; 13. valve stem; 14. handle; 15. extension pipe; 16. port cap; 17. filter cartridge; 18. ball valve; 19. first sealing rubber; 20. second sealing rubber; 21. inner hole of ball valve; 22. fixing device. DETAILED DESCRIPTION

[0023] The following will be combined with 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 of 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. Example 1

[0024] like Figure 1~Figure 4As shown, this embodiment proposes a lock-control ball valve, including a ball valve housing 1, a second connecting pipe 3, a first connecting flange 5, a third connecting flange 7, a fourth connecting flange 8, and a ball valve 18, characterized in that a ball valve 18 is installed inside the ball valve housing 1, and a ball valve inner hole 21 is opened inside the ball valve 18, a valve stem 13 is installed at the center position of the upper end of the ball valve 18 through a thread, and the valve stem 13 passes through the upper end of the ball valve housing 1 and is vertically fixed with a handle 14, a fixing device 22 is fixedly connected to the upper end of the ball valve housing 1, and the valve stem 13 is sleeved inside the fixing device 22, and three positioning holes are opened on the valve stem 13, the first connecting pipe 2 is fixed to the four ends of the ball valve housing 1, and one end of the first connecting pipe 2 is fixedly connected to the first connecting flange 5, and the first connecting flange 5 A second connecting flange 6 is placed on one side of the first connecting flange 5, and a first fixing screw 9 is passed through between the first connecting flange 5 and the second connecting flange 6, and a first fixing nut 10 is sleeved on the first fixing screw 9. A second connecting pipe 3 is fixedly connected to one end of the second connecting flange 6, and a third connecting flange 7 is fixed to the other end of the second connecting pipe 3. A fourth connecting flange 8 is placed on one side of the third connecting flange 7, and a second fixing screw 11 is passed through between the third connecting flange 7 and the fourth connecting flange 8, and a second fixing nut 12 is sleeved on the second fixing screw 11. One end of the fourth connecting flange 8 is fixedly connected to the third connecting pipe 4. An extension pipe 15 is fixedly connected to the middle lower end of the second connecting pipe 3, and a port cover cap 16 is sleeved on one end of the extension pipe 15. A filter cartridge 17 is placed in the extension pipe 15, a first sealing rubber 19 is placed between the first connecting flange 5 and the second connecting flange 6, a second sealing rubber 20 is placed between the third connecting flange 7 and the fourth connecting flange 8, the first connecting pipe 2 and the second connecting pipe 3 are connected and fixed to the second connecting flange 6 through the first connecting flange 5, the first connecting flange 5 and the second connecting flange 6 are connected and fixed through the first fixing screw 9 and the first fixing nut 10, the first connecting flange 5 and the second connecting flange 6 are connected and fixed through the first fixing screw 9 and the first fixing nut 10, the second connecting pipe 3 and the third connecting pipe 4 are connected and fixed to the fourth connecting flange 8 through the third connecting flange 7, the third connecting flange 7 is connected and fixed through the second fixing screw 11 and the second fixing nut The fixed nut 12 and the fourth connecting flange 8 form a detachable structure, and the third connecting flange 7 and the fourth connecting flange 8 are connected and fixed by the second fixing screw 11 and the second fixing nut 12. A sealing ring is installed between the inner wall of the ball valve housing 1 and the outer wall of the ball valve 18, and a sealing ring is installed between the valve stem 13 and the ball valve housing 1. The extension pipe 15 and the port cap 16 form a detachable structure through threads. The extension pipe 15 and the port cap 16 are connected and fixed by threads. The third connecting pipe 4 is connected to the external water pipe. The first connecting pipe 2 is fixed at the four ends of the ball valve housing 1. The ball valve inner hole 21 of the internal ball valve 18 is aligned with the pipeline to allow the linear pipeline water to flow. By turning the valve stem 13 by the handle to drive the ball valve 18 to rotate 90 degrees, the current waterway can be closed and connected to another one.Rotate the handle 14 to the intersection between the pipes to close the two waterways, and rotate the screw in the fixing device 22 into the positioning hole at the corresponding position to fix the valve stem 13. An extension pipe 15 is fixedly connected to the middle lower end of the second connecting pipe 3, and a port cap 16 is sleeved on one end of the extension pipe 15. A filter cartridge 17 is placed in the extension pipe 15. The filter cartridge 17 filters impurities in the water to reduce the blockage of the ball valve 18, which solves the problem that the device can only flow in one direction. When encountering a cross pipe, one more needs to be installed. When the device is used, there will be a small amount of sediment, which will block the internal ball valve 18 and cause it to not rotate smoothly.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A lock-control ball valve, comprising a ball valve housing (1), a second connecting pipe (3), a first connecting flange (5), a third connecting flange (7), a fourth connecting flange (8), and a ball valve (18), characterized in that: A ball valve (18) is installed inside the ball valve housing (1), and a ball valve inner hole (21) is provided inside the ball valve (18). A valve stem (13) is installed at the center position of the upper end of the ball valve (18) through a thread, and the valve stem (13) passes through the upper end of the ball valve housing (1) and is vertically fixed with a handle (14). A fixing device (22) is fixedly connected to the upper end of the ball valve housing (1), and the valve stem (13) is sleeved inside the fixing device (22). Three positioning holes are provided on the valve stem (13). A first connecting pipe (2) is fixed to the four ends of the ball valve housing (1), and a first connecting flange (5) is fixedly connected to one end of the first connecting pipe (2). A second connecting flange (6) is placed on one side of the first connecting flange (5), and a first fixing screw (9) is inserted between the first connecting flange (5) and the second connecting flange (6). A first fixing nut (10) is sleeved on the first fixing screw (9), and the second connecting flange (6) A second connecting pipe (3) is fixedly connected to one end thereof, and a third connecting flange (7) is fixedly connected to the other end of the second connecting pipe (3); a fourth connecting flange (8) is placed on one side of the third connecting flange (7); a second fixing screw (11) is inserted between the third connecting flange (7) and the fourth connecting flange (8); a second fixing nut (12) is sleeved on the second fixing screw (11); one end of the fourth connecting flange (8) is fixedly connected to the third connecting pipe (4); an extension pipe (15) is fixedly connected to the middle lower end of the second connecting pipe (3); a port cover cap (16) is sleeved on one end of the extension pipe (15); a filter cartridge (17) is placed in the extension pipe (15); a first sealing rubber (19) is placed between the first connecting flange (5) and the second connecting flange (6); and a second sealing rubber (20) is placed between the third connecting flange (7) and the fourth connecting flange (8).

2. A locking ball valve according to claim 1, characterized in that: The first connecting pipe (2) and the second connecting pipe (3) are connected and fixed via a first connecting flange (5) and a second connecting flange (6).

3. A locking ball valve according to claim 2, characterized in that: The first connecting flange (5) forms a detachable structure with the second connecting flange (6) via a first fixing screw (9) and a first fixing nut (10), and the first connecting flange (5) and the second connecting flange (6) are connected and fixed via the first fixing screw (9) and the first fixing nut (10).

4. The locking ball valve according to claim 1, characterized in that: The second connecting pipe (3) and the third connecting pipe (4) are connected and fixed via a third connecting flange (7) and a fourth connecting flange (8).

5. A locking ball valve according to claim 4, characterized in that: The third connecting flange (7) forms a detachable structure with the fourth connecting flange (8) via the second fixing screw (11) and the second fixing nut (12), and the third connecting flange (7) is connected and fixed to the fourth connecting flange (8) via the second fixing screw (11) and the second fixing nut (12).

6. The locking ball valve according to claim 1, characterized in that: A sealing ring is installed between the inner wall of the ball valve housing (1) and the outer wall of the ball valve (18), and a sealing ring is installed between the valve stem (13) and the ball valve housing (1).

7. The locking ball valve according to claim 1, characterized in that: The extension pipe (15) and the port cover cap (16) form a detachable structure through threads, and the extension pipe (15) and the port cover cap (16) are connected and fixed through the threads.

8. The locking ball valve according to claim 1, characterized in that: The third connecting pipe (4) is connected to an external water pipe.

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