Ball valve anti-scour-off mechanism

Abstract

The utility model provides a ball valve anti-scour-off mechanism which comprises a valve body, a valve rod, a rotating block and a valve element, the bottom end of the valve rod penetrates through the top of the valve body, the valve element is fixedly connected to the bottom end of the valve rod and located in the valve body, the rotating block is fixedly connected to the top of the valve rod, and the water inlet end and the water outlet end of the valve body are both in threaded connection with connecting covers. Compared with the prior art, the device has the following beneficial effects that the two long-rod bolts are rotated in the same direction at the same time, so that the two long-rod bolts can be moved into the two threaded sleeves, the two long-rod bolts drive the mounting plate to move while moving, the mounting plate drives the multi-stage limiting sleeve shell to move towards the connecting cover, and the multi-stage limiting sleeve shell is driven to move towards the connecting cover. The multistage limiting sleeve shell is sleeved with the connecting cover through the multistage sleeve grooves, and the connecting cover is clamped and fixed, so that the connecting stability between the connecting cover and the valve body can be improved, the phenomenon of water leakage caused by the fact that the connecting cover is washed off and loosened by long-time water flow is prevented, and the use safety of the ball valve is effectively improved.

Description

Technical Field

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

[0002] Ball valve is a common type of valve, usually used to control the flow of fluid (liquid or gas). The working principle of ball valve is to control the passage of fluid by rotating the ball. When the ball valve is in the open state, the fluid can flow through the hole around the ball; when the ball valve is closed, the ball will be rotated to make the hole perpendicular to the flow direction of the pipeline to prevent the fluid from passing. Ball valves are usually used in occasions that require fast switching, zero leakage and low resistance, so they are widely used in many industrial applications. According to the structure and material of the ball valve, it can be applied to different pressures, temperatures and media. Ball valves are mainly divided into two types: floating ball valves and fixed ball valves. Users can choose the appropriate ball valve type according to specific needs.

[0003] In the prior art, only the ball valve core inside the ball valve is protected from dislodging. However, the water inlet and outlet ends of the ball valve are usually connected to the water pipe by threaded connection, so that a large amount of fluid passes through the inside of the ball valve during use. The fluid will generate impact force on the connection between the water pipe and the inlet and outlet ports, thereby causing the screw cover to loosen and the ball valve to leak, reducing the safety of the ball valve. Utility Model Content

[0004] In order to solve the above technical defects, the purpose of the utility model is to provide a ball valve anti-dislodgement mechanism, which can effectively solve the problem of fluid leakage caused by loosening of threaded ports, and significantly improve the safety of ball valve use.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a ball valve anti-discharge mechanism, including a valve body, a valve stem, a rotating block and a valve core, the bottom end of the valve stem passes through the top of the valve body, the valve core is fixedly connected to the bottom end of the valve stem and is located inside the valve body, the rotating block is fixedly connected to the top of the valve stem, the water inlet end and the water outlet end of the valve body are both threadedly connected with a connecting cover, the two separated ends of the connecting covers are respectively connected with an inlet pipe and an outlet pipe, and both sides of the valve body surface and the pipe surfaces located at the inlet pipe and the outlet pipe are sleeved with anti-discharge components.

[0006] Furthermore, the interior of the connecting cover is communicated with the interior of the valve body, and the valve stem is rotatably connected to the valve body.

[0007] The two connection covers are fixedly connected to the water outlet pipe and the water inlet pipe respectively, and the valve core is in a spherical shape.

[0008] The anti-discharge component includes a fixing plate and a multi-stage limiting sleeve, the fixing plate is sleeved on the outside of the valve body and is located on one side of a connecting cover, the top and bottom of the fixing plate away from the connecting cover are fixedly connected with threaded sleeves, the multi-stage limiting sleeve is sleeved on the outside of the water inlet pipe, the outside of the multi-stage limiting sleeve is sleeved with a mounting plate, the top and bottom of one side of the mounting plate are rotatably connected with long rod bolts, the top and bottom of the other side of the fixing plate are provided with threaded holes connected with two threaded sleeves, one end of the two long rod bolts penetrate the mounting plate and the fixing plate in sequence and extend into the threaded holes of the fixing plate, and the interior of the multi-stage limiting sleeve is provided with a multi-stage sleeve groove.

[0009] The fixing plate is in contact with the connection cover, and the fixing plate is fixedly connected to the valve body.

[0010] The long-rod bolt is rotatably connected to the mounting plate, and the long-rod bolt is threadedly connected to the fixing plate.

[0011] The long-rod bolt is matched with the threaded sleeve, and the mounting plate is fixedly connected with the multi-stage limiting sleeve shell.

[0012] The beneficial effect of the utility model is that by rotating the two long-rod bolts in the same direction at the same time, the two long-rod bolts can be moved to the inside of the two threaded sleeves, and the two long-rod bolts drive the mounting plate to move while moving, and the mounting plate drives the multi-stage limit sleeve to move toward the connecting cover, and the multi-stage limit sleeve is mutually sleeved with the connecting cover through the multi-stage sleeve groove, and the connecting cover is clamped and fixed, thereby improving the connection stability between the connecting cover and the valve body, preventing the connection cover from being washed off and loosened by long-term water flow to cause water leakage, and effectively improving the safety of the ball valve.

[0013] Since the multi-stage sleeve groove is in the shape of a circular sleeve with the inner diameter increasing from small to large, it can be properly sleeved according to the connection covers of water pipe ports of different sizes, thereby effectively expanding the adaptation range of the ball valve anti-dislodgement mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 This is a schematic structural perspective diagram of a ball valve anti-blowout mechanism of the utility model;

[0016] Figure 2 This is a schematic front view of the structure of a ball valve anti-blowout mechanism of the utility model;

[0017] Figure 3 This is a main cross-sectional view showing the structure of a ball valve anti-blowout mechanism of the utility model;

[0018] Figure 4 for Figure 3 A schematic side view of the structure of the multi-stage limiting housing is shown.

[0019] In the figure: 1. valve body; 2. valve stem; 3. rotating block; 4. valve core; 5. connecting cover; 6. water inlet pipe; 7. water outlet pipe; 8. anti-blow-off assembly; 81. fixing plate; 82. multi-stage limit sleeve; 83. multi-stage sleeve groove; 84. threaded sleeve; 85. mounting plate; 86. long-rod bolt. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] See also Figure 1-4 The utility model provides a technical solution: a ball valve anti-slip mechanism, including a valve body 1, a valve stem 2, a rotating block 3 and a valve core 4. The bottom end of the valve stem 2 passes through the top of the valve body 1, the valve core 4 is fixedly connected to the bottom end of the valve stem 2 and is located inside the valve body 1, the rotating block 3 is fixedly connected to the top of the valve stem 2, the water inlet end and the water outlet end of the valve body 1 are both threadedly connected with a connecting cover 5, and the separated ends of the two connecting covers 5 are respectively connected with an inlet pipe 6 and an outlet pipe 7, and both sides of the surface of the valve body 1 and the pipe surfaces located at the inlet pipe 6 and the outlet pipe 7 are sleeved with anti-slip components 8, the surface of the rotating block 3 is made of anti-slip patterns by injection molding, which is convenient for rotating the valve stem 2 by the rotating block 3, the interior of the connecting cover 5 is connected with the interior of the valve body 1, the valve stem 2 is rotatably connected to the valve body 1, the two connecting covers 5 are respectively fixedly connected to the outlet pipe 7 and the inlet pipe 6, and the valve core 4 is spherical.

[0022] See also Figure 2-4The anti-breakout assembly 8 includes a fixing plate 81 and a multi-stage limiting sleeve 82. The fixing plate 81 is sleeved on the outside of the valve body 1 and is located on one side of a connecting cover 5. The top and bottom of the fixing plate 81 away from the connecting cover 5 are fixedly connected with a threaded sleeve 84. The multi-stage limiting sleeve 82 is sleeved on the outside of the water inlet pipe 6. The outside of the multi-stage limiting sleeve 82 is sleeved with a mounting plate 85. The top and bottom of one side of the mounting plate 85 are rotatably connected with long rod bolts 86. The top and bottom of the other side of the fixing plate 81 are provided with threaded holes connected to the two threaded sleeves 84. One end of the two long rod bolts 86 is respectively It penetrates the mounting plate 85 and the fixing plate 81 and extends into the threaded hole of the fixing plate 81. A multi-stage sleeve groove 83 is provided inside the multi-stage limit sleeve shell 82. The fixing plate 81 contacts the connecting cover 5. The fixing plate 81 is fixedly connected to the valve body 1. The long rod bolt 86 is rotatably connected to the mounting plate 85. The long rod bolt 86 is threadedly connected to the fixing plate 81. The long rod bolt 86 is adapted to the threaded sleeve 84. The mounting plate 85 is fixedly connected to the multi-stage limit sleeve shell 82. Another anti-discharge component 8 is sleeved on the outside of the water outlet pipe 7 in the same direction. The multi-stage sleeve groove 83 is in the shape of a circular ring sleeve with an inner diameter that progresses layer by layer from small to large.

[0023] Specific implementation method: After the water inlet pipe 6 and the water outlet pipe 7 are threadedly connected and communicated with the water inlet end and the outlet end of the valve body 1 through the two connecting covers 5, the long rod bolts 86 inside the two anti-blowout components 8 can be rotated respectively, and the two long rod bolts 86 inside the anti-blowout components 8 are aligned with the two threaded holes on the fixing plate 81, and one end of the long rod bolt 86 is moved to the inside of the threaded hole, and the two long rod bolts 86 are rotated in the same direction at the same time, so that the two long rod bolts 86 can be moved to the inside of the two threaded sleeves 84, and the two long rod bolts 86 move while driving the mounting plate 85 to move, and the installation The plate 85 drives the multi-stage limiting sleeve 82 to move toward the connecting cover 5. The multi-stage limiting sleeve 82 is mutually sleeved with the connecting cover 5 through the multi-stage sleeve groove 83, and the connecting cover 5 is clamped and fixed, thereby improving the connection stability between the connecting cover 5 and the valve body 1, and preventing the connecting cover 5 from being loosened and leaking due to long-term water flow, thereby effectively improving the safety of the ball valve. Since the multi-stage sleeve groove 83 is in the shape of a circular ring sleeve with an inner diameter that progresses layer by layer from small to large, it can be appropriately sleeved according to the connecting covers 5 of water pipe ports of different sizes, thereby effectively expanding the adaptation range of the ball valve's anti-slip mechanism.

[0024] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A ball valve anti-dislodgement mechanism, comprising a valve body, a valve stem, a rotating block and a valve core, characterized in that: The bottom end of the valve stem passes through the top of the valve body, the valve core is fixedly connected to the bottom end of the valve stem and is located inside the valve body, the rotating block is fixedly connected to the top of the valve stem, the water inlet end and the water outlet end of the valve body are both threadedly connected with a connecting cover, and the two ends of the connecting covers separated are respectively connected with an inlet pipe and an outlet pipe, and both sides of the surface of the valve body and the pipe surfaces located at the inlet pipe and the outlet pipe are sleeved with anti-slip components; the anti-slip components include a fixed plate and a multi-stage limiting sleeve shell, the fixed plate is sleeved on the outside of the valve body and is located at one end of a connecting cover On the other side, the top and bottom of the fixing plate away from the connecting cover are fixedly connected with threaded sleeves, the multi-stage limit sleeve shell is sleeved on the outside of the water inlet pipe, the outside of the multi-stage limit sleeve shell is sleeved with a mounting plate, the top and bottom of one side of the mounting plate are rotatably connected with long rod bolts, the top and bottom of the other side of the fixing plate are provided with threaded holes connected with two threaded sleeves, one ends of the two long rod bolts penetrate the mounting plate and the fixing plate in sequence and extend into the threaded holes of the fixing plate, and the interior of the multi-stage limit sleeve shell is provided with a multi-stage sleeve groove.

2. The ball valve anti-dislodgement mechanism according to claim 1, characterized in that: The interior of the connecting cover is communicated with the interior of the valve body, and the valve stem is rotatably connected to the valve body.

3. The ball valve anti-dislodgement mechanism according to claim 1, characterized in that: The two connection covers are fixedly connected to the water outlet pipe and the water inlet pipe respectively, and the valve core is in a spherical shape.

4. The ball valve anti-dislodgement mechanism according to claim 1, characterized in that: The fixing plate is in contact with the connection cover, and the fixing plate is fixedly connected to the valve body.

5. The ball valve anti-dislodgement mechanism according to claim 1, characterized in that: The long-rod bolt is rotatably connected to the mounting plate, and the long-rod bolt is threadedly connected to the fixing plate.

6. The ball valve anti-dislodgement mechanism according to claim 1, characterized in that: The long-rod bolt is matched with the threaded sleeve, and the mounting plate is fixedly connected with the multi-stage limiting sleeve shell.

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