Adjustable water stop device

Abstract

The utility model discloses an adjustable water stop device, which relates to the field of building construction water supply and drainage systems, and comprises a valve body and an O-shaped ball valve, the O-shaped ball valve is rotatably arranged in the middle of the interior of the valve body, the two ends of the O-shaped ball valve are symmetrically provided with mounting rings, the interior of each mounting ring is provided with a valve seat sealing ring, and the valve seat sealing rings are arranged on the valve body. The top of the O-shaped ball valve is fixedly connected with a connecting block, and water flow is controlled through the O-shaped ball valve which is made of stainless steel and rotatably arranged in the valve body, a water stop flow channel is formed in the O-shaped ball valve, and valve seat sealing rings which are arranged at the two ends of the O-shaped ball valve and made of polytetrafluoroethylene plastic are matched. By utilizing the characteristics of high hardness, wear resistance, corrosion resistance and the like of stainless steel and the characteristics of excellent corrosion resistance and low friction coefficient of polytetrafluoroethylene plastic, the water stop effect of the water stop device is enhanced, the service life of the water stop device is prolonged, and the phenomenon of water leakage of a water supply and drainage system is avoided, so that the efficiency of building construction is improved.

Description

Technical Field

[0001] The utility model relates to the field of water supply and drainage systems in building construction, in particular to an adjustable water-stopping device. Background Art

[0002] In construction, it is sometimes necessary to temporarily adjust or control the water flow. At present, the commonly used adjustable water stop device in the water supply and drainage system of construction is the adjustable water valve, which can be installed in temporary pipelines or water supply systems. By adjusting the position or rotation angle of the valve core, the water flow can be controlled, such as adjusting the flow size or closing / opening the pipeline.

[0003] After long-term use, the internal sealing components of the adjustable water valves used in temporary pipelines in current construction will gradually weaken the sealing effect due to wear and corrosion, causing the water-stopping effect of the adjustable water valve to weaken, water leakage in the water supply and drainage system to occur, and even affecting the efficiency of construction. Therefore, it is necessary to provide an adjustable water-stopping device to solve the above problems. Utility Model Content

[0004] In order to solve the above-mentioned technical problems, an adjustable water-stopping device is provided. This technical solution solves the problem proposed in the above-mentioned background technology that after long-term use, the internal sealing components of the adjustable water valve used for temporary pipelines in construction will gradually weaken the sealing effect due to wear and corrosion, resulting in weakened water-stopping effect of the adjustable water valve, water leakage in the water supply and drainage system, and even affecting the efficiency of construction.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An adjustable water-stop device comprises a valve body and an O-type ball valve, wherein the valve body is a hollow structure, the O-type ball valve can be rotatably arranged in the middle of the valve body, mounting rings are symmetrically arranged at both ends of the O-type ball valve, a valve seat sealing ring is arranged inside the mounting ring, a connecting block is fixedly connected to the top of the O-type ball valve, an end of the connecting block away from the O-type ball valve is fixedly connected to an upper bearing, an O-ring is sleeved on the surface of the upper bearing, a packing is arranged above the O-ring, a pressure cover is detachably installed on the top surface of the upper bearing, a valve stem is fixedly connected to the top end of the upper bearing, and an adjusting valve disc is detachably installed on the surface of the valve stem.

[0007] Optionally, in the adjustable water-stopping device, a first flow channel and a second flow channel are respectively provided in the middle of both ends of the valve body, and a plurality of mounting holes are provided at the edge positions of both ends of the valve body.

[0008] Optionally, in the adjustable water-stop device, the O-type ball valve is a spherical structure, and a water-stop flow channel is provided inside the O-type ball valve.

[0009] Optionally, in the adjustable water-stop device, the O-type ball valve and the mounting ring are both made of stainless steel, and the mounting ring is a ring-shaped structure.

[0010] Optionally, in the adjustable water-stop device, the valve seat sealing ring is made of polytetrafluoroethylene plastic, and the filler is polytetrafluoroethylene.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In an adjustable water-stop device proposed in this scheme, a stainless steel O-type ball valve is rotatably arranged inside the valve body, a water-stop flow channel is opened inside the valve body, and valve seat sealing rings made of polytetrafluoroethylene plastic at both ends of the O-type ball valve are used to control the water flow; the high hardness, wear resistance, corrosion resistance and other characteristics of stainless steel and the excellent corrosion resistance and low friction coefficient of polytetrafluoroethylene plastic are utilized to enhance the water-stopping effect of the water-stopping device, increase the service life of the water-stopping device, avoid water leakage in the water supply and drainage system, and thus improve the efficiency of building construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0016] The numbers in the figure are:

[0017] 1. Valve body; 2. Mounting hole; 3. Adjusting valve disc; 4. O-type ball valve; 5. Mounting ring; 6. Valve seat sealing ring; 7. Connecting block; 8. Upper bearing; 9. O-ring; 10. Packing; 11. Water stop channel; 12. Valve stem; 13. Pressure cover; 14. First channel; 15. Second channel. DETAILED DESCRIPTION

[0018] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0019] Reference Figure 1-3As shown, an adjustable water-stop device comprises a valve body 1 and an O-type ball valve 4, the valve body 1 is a hollow structure, the O-type ball valve 4 can be rotatably arranged in the middle of the valve body 1, mounting rings 5 ​​are symmetrically arranged at both ends of the O-type ball valve 4, a valve seat sealing ring 6 is arranged inside the mounting ring 5, a connecting block 7 is fixedly connected to the top of the O-type ball valve 4, and the end of the connecting block 7 away from the O-type ball valve 4 is fixedly connected to the upper bearing 8, an O-ring 9 is sleeved on the surface of the upper bearing 8, a packing 10 is arranged above the O-ring 9, a pressure cover 13 is detachably installed on the top surface of the upper bearing 8, a valve stem 12 is fixedly connected to the top end of the upper bearing 8, and an adjusting valve disc 3 is detachably installed on the surface of the valve stem 12.

[0020] Please read further carefully Figure 1-3 As shown, in an adjustable water stop device proposed in this scheme, a first flow channel 14 and a second flow channel 15 are respectively provided at the middle of both ends of the valve body 1, and a plurality of mounting holes 2 are provided at the edge positions of both ends of the valve body 1. The O-type ball valve 4 is a spherical structure, and a water stop flow channel 11 is provided inside the O-type ball valve 4. The O-type ball valve 4 and the mounting ring 5 are both made of stainless steel, and the mounting ring 5 is an annular structure. The valve seat sealing ring 6 is made of polytetrafluoroethylene plastic, and the filler 10 is polytetrafluoroethylene.

[0021] Specifically, the regulating valve disc 3 can drive the valve stem 12 to rotate, thereby rotating the O-type ball valve 4. The O-type ball valve 4 is provided with a water stop channel 11. When the O-type ball valve 4 rotates to a certain angle, that is, the first channel 14, the water stop channel 11 and the second channel 15 are on the same horizontal line, the water flow can flow through the three channels. When the water stop channel 11 is perpendicular to the first channel 14 and the second channel 15, the water flow is cut off by the O-type ball valve 4, achieving the function of water stop. If the size of the water flow needs to be controlled, the angle of the O-type ball valve 4 can be adjusted by adjusting the valve disc 3, thereby achieving the purpose of controlling the water flow. The top surface of the upper bearing 8 is provided with a detachable pressure cap 13, which is convenient for operators to maintain the components inside the water stop device. The stainless steel O-type ball valve 4 and the mounting ring 5 extend the service life of the water stop device. At the same time, stainless steel has good corrosion resistance and can resist the erosion of chemical media. The high strength and hardness ensure reliability. The smooth surface can reduce the wear of the valve seat seal 6 and is suitable for various working environments. The valve seat sealing ring 6 and the polytetrafluoroethylene filler 10 are made of polytetrafluoroethylene plastic. Polytetrafluoroethylene has excellent corrosion resistance and can resist corrosive media such as strong acids and strong alkalis. Polytetrafluoroethylene has a good sealing effect and can effectively prevent leakage, thereby improving the sealing performance of the water-stop device. At the same time, polytetrafluoroethylene has a low friction coefficient and good self-lubricating properties, making the adjustment of the O-type ball valve 4 of the regulating valve disc 3 smoother. Polytetrafluoroethylene has good high temperature resistance and can withstand the effects of high temperature media, thereby ensuring the stability of the water-stop device.

[0022] Working principle: The staff can install the water-stop device at the required construction pipeline. The first flow channel 14 and the second flow channel 15 are connected to different pipelines respectively. After checking the air tightness between the pipeline and the water-stop device, the valve stem 12 can be driven to rotate by adjusting the valve disc 3, so as to adjust the angle of the O-type ball valve 4. The angle of the O-type ball valve 4 is different, and the angle between the water-stop flow channel 11 opened inside it and the first flow channel 14 and the second flow channel 15 is also different. When the first flow channel 14, the water-stop flow channel 11 and the second flow channel 15 are on the same horizontal line, the water flow can flow through the three. When the water-stop flow channel 11 is perpendicular to the first flow channel 14 and the second flow channel 15, the water flow is cut off by the O-type ball valve 4 to achieve the water-stopping effect. If there is a problem inside the water-stop device, the regulating valve disc 3 and the pressure cover 13 can be disassembled in turn, and then the components inside the water-stop device can be replaced or cleaned.

[0023] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An adjustable water-stopping device, characterized in that: The invention comprises a valve body (1) and an O-type ball valve (4), wherein the valve body (1) is a hollow structure, the O-type ball valve (4) is rotatably arranged in the middle of the valve body (1), the two ends of the O-type ball valve (4) are symmetrically provided with mounting rings (5), the interior of the mounting ring (5) is provided with a valve seat sealing ring (6), the top of the O-type ball valve (4) is fixedly connected with a connecting block (7), the end of the connecting block (7) away from the O-type ball valve (4) is fixedly connected with an upper bearing (8), the surface of the upper bearing (8) is sleeved with an O-type ring (9), a packing (10) is arranged above the O-type ring (9), a pressure cover (13) is detachably installed on the top surface of the upper bearing (8), the top end of the upper bearing (8) is fixedly connected with a valve stem (12), and the surface of the valve stem (12) is detachably installed with an adjusting valve disc (3).

2. An adjustable water-stopping device according to claim 1, characterized in that: A first flow channel (14) and a second flow channel (15) are respectively provided in the middle of both ends of the valve body (1), and a plurality of mounting holes (2) are provided at the edge positions of both ends of the valve body (1).

3. The adjustable water-stopping device according to claim 1, characterized in that: The O-type ball valve (4) is a spherical structure, and a water-stop flow channel (11) is provided inside the O-type ball valve (4).

4. The adjustable water-stopping device according to claim 1, characterized in that: The O-type ball valve (4) and the mounting ring (5) are both made of stainless steel, and the mounting ring (5) is a ring-shaped structure.

5. The adjustable water-stopping device according to claim 1, characterized in that: The valve seat sealing ring (6) is made of polytetrafluoroethylene plastic, and the filler (10) is also made of polytetrafluoroethylene material.

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