Valve device

Abstract

The utility model relates to a valve device, which solves the problems of water leakage, difficulty in assembly and maintenance, high strength and the like in the prior art, and adopts the technical scheme that the valve device comprises a connecting pipe, an exhaust valve and a switch valve are arranged on the side wall of the connecting pipe, and two ends of the connecting pipe are respectively used for being connected with corresponding joints on a water supply pipeline. The exhaust valve is used for exhausting gas in the water supply pipeline, and the switch valve is used for enabling the corresponding pipe section on the water supply pipeline to close water supply or start water supply. The utility model has the advantages that the instrument, the valve, the exhaust valve and other equipment are assembled on the connecting pipe, and the connecting pipe is assembled on the water supply pipeline, so that the operations of directly opening the water supply pipeline, welding screw threads and the like are avoided, the possibility of water leakage of the water supply pipeline is reduced, the connecting pipe, the instrument, the valve, the exhaust valve and other equipment are convenient to replace, the operation is simple and convenient, and the cost is low. Meanwhile, operation in a narrow and uncomfortable space can be avoided, operation can be conducted in a comfortable space, and the maintenance intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water supply equipment field especially relates to a valve device. BACKGROUND

[0002] Most buildings mostly adopt secondary pressure water supply mode to meet water supply demand, due to high peak water consumption, the flow velocity of water in pipe network increases, so that the energy loss along the pipe network increases correspondingly, the water supply pressure at the end of the pipe network reduces, and the phenomenon of high-rise water shortage or insufficient pressure occurs, which is not caused by insufficient water supply.

[0003] In the secondary pressure water supply, the start and stop of the water pump and the opening and closing of the valve need to be controlled, so a plurality of threads need to be welded on the water supply pipeline for installing valves, exhaust devices and the like on the pipeline, so that the sensors on the valve can transmit water supply stability signals to the control system in real time, the control system receives information and controls the start and stop of the water pump and the opening and closing of the valve in time to ensure the water supply pressure and improve the user's water experience.

[0004] In order to install instruments, valves and exhaust valves and the like, a corresponding number of openings need to be formed on the side wall of the water supply pipeline, and threads are welded on the openings one by one, and the instruments, valves and exhaust valves and the like are installed on the water supply pipeline through the threads. On the one hand, the setting of the threads affects the overall appearance visual effect of the secondary pressure water supply, and the overall coordination is poor, and on the other hand, the welding part between the threads and the water supply pipeline is prone to water leakage during use, the maintenance difficulty and maintenance strength are large, the water stop maintenance time is long, and the normal water use of the user is affected. SUMMARY

[0005] The utility model discloses a valve device, and the instruments, valves and exhaust valves and the like are assembled to the connecting pipe, and the connecting pipe is assembled to the water supply pipeline, so that the operation of opening and welding threads directly on the water supply pipeline is avoided, the possibility of water leakage of the water supply pipeline is reduced, the connecting pipe and the instruments, valves and exhaust valves and the like are convenient to replace, the operation is simple and convenient, the operation in a narrow and unsuitable space can be avoided, the operation in a comfortable space can be carried out, the maintenance strength is reduced, and the operation comfort is improved.

[0006] The utility model discloses a technical purpose is mainly solved through following technical scheme: a valve device, it is characterized by including the pipe, the lateral wall of pipe is provided with exhaust valve and switch valve, both ends of pipe are used to form the connection with the corresponding joint on water supply pipeline respectively, make the inner chamber of pipe and the inner chamber of water supply pipeline communicate, the exhaust valve is used for making the gas in water supply pipeline exhaust, the switch valve is used for making the corresponding pipe section on water supply pipeline close water supply or open water supply. The equipment such as instrument, switch valve and exhaust valve are assembled to the pipe, then are assembled to water supply pipeline by pipe, then avoid the operation such as opening, welding screw thread directly on water supply pipeline, avoid the possible emergence of water supply pipeline leakage, if the leakage between pipe and water supply pipeline appears, then remove pipe, and the leakage prevention and treatment of water such as repositioning raw material belt or replacing sealing washer on pipe, simple and convenient operation, if the equipment such as instrument, switch valve and exhaust valve and the leakage between pipe appear or equipment failure, pipe can also be detached from water supply pipeline, and after resealing treatment or maintaining equipment or replacing equipment, pipe is connected into water supply pipeline again, not only simple and convenient operation, but also can avoid operating in narrow and unsuitable space, can operate in comfortable space, reduce maintenance intensity, improve operation comfort.

[0007] As further improvement and supplement to the above technical scheme, the utility model adopts the following technical measures: the lateral wall of pipe has at least the first connecting pipe and the second connecting pipe of convex, the switch valve is arranged on the first connecting pipe, and the exhaust valve is arranged on the second connecting pipe. The number of connecting pipes arranged on the lateral wall of pipe is consistent with or more than the number of equipment, and the excess connecting pipes are used as standby, facilitating the assembly of corresponding equipment according to actual needs. Similarly, a third connecting pipe can be arranged on the pipe for installing instruments.

[0008] As preferred, the first connecting pipe and the second connecting pipe are integrated with the pipe, and the inner cavities of the first connecting pipe and the second connecting pipe are communicated with the inner cavity of the pipe. The integrated structure of each connecting pipe and the pipe is conducive to convenient production and processing, and also helps to reduce the possibility of leakage at the connection sites of the split structure, thereby improving the reliability of the pipe.

[0009] As preferred, the switch valve comprises a valve core, a valve rod and a handle, the valve core is matched with the inner cavity of the pipe, the inner end of the valve rod is matched with the valve core, the outer end of the valve rod penetrates out of the first connecting pipe, the handle is arranged at the outer end of the first connecting pipe, and the valve rod adjusts the position of the valve core to make the inner cavity of the pipe communicate or be cut off, so as to achieve the purpose of closing or opening water supply of the corresponding pipe section on the water supply pipeline.

[0010] As preferred, the valve core comprises a first valve seat and a valve ball, a valve ball fitting cavity is arranged in the first valve seat, the valve ball is arranged in the valve ball fitting cavity, the inner end of the valve rod is inserted into the first valve seat and connected with the valve ball, a first channel is arranged on the first valve seat and penetrates the first valve seat, the first channel is communicated with the inner cavity of the connector pipe, a second channel is arranged on the valve ball and penetrates the valve ball, the handle rotates the valve ball through the valve rod, so as to open the second channel through the first channel and the inner cavity of the connector pipe to open the water supply or block the second channel by the first valve seat to close the water supply.

[0011] As preferred, the first channel is communicated with the inner cavity of the connector pipe, the second channel passes through the center of the valve ball, and the second channel is communicated with or cut off from the inner cavity of the connector pipe through rotation. Under the action of the valve rod, the valve ball can rotate in the first valve seat. When the second channel is arranged in the first channel and is in parallel or coaxial with the first channel, the second channel is communicated with the inner cavity of the connector pipe, so that the corresponding pipe section on the water supply pipeline is opened for water supply. When the valve core rotates in the first valve seat, the two ends of the second channel are blocked by the first valve seat, the second channel is not communicated with the inner cavity of the connector pipe, and the inner cavity of the connector pipe is blocked by the first valve seat and the valve ball, so that the corresponding pipe section on the water supply pipeline stops water supply.

[0012] As preferred, the second connecting pipe is provided with an exhaust hole, the exhaust valve is arranged in the second connecting pipe, the exhaust valve is provided with a first opening and a second opening, a float ball is arranged in the exhaust valve, the first opening is communicated with the inner cavity of the connector pipe, the second opening is communicated with the exhaust hole, the float ball is disengaged from the second opening for exhaust, and the float ball seals the second opening to complete the exhaust and make the connector pipe for water supply. When there is air in the connector pipe and the water supply pipeline needs to be supplied with water through the connector pipe, the water flow on the water supply pipeline pushes the air to flow into the first opening, the inner cavity of the exhaust valve, and finally out through the second opening of the exhaust valve and the exhaust hole. With the continuous exhaust of air, the water flow gradually enters the inner cavity of the exhaust valve, the float ball is gradually floated up by the buoyancy of water, finally abuts against the second opening, and seals the second opening to complete the exhaust process. At the same time, the float ball sealing the second opening can also prevent the water flow from flowing out through the exhaust hole, achieving the purpose of preventing overflow and being beneficial to ensuring the smooth water supply of the water supply pipeline.

[0013] As preferred, the outer end of the second connecting pipe is provided with a cover for limiting the position of the exhaust valve in the second connecting pipe. The arrangement of the cover is beneficial to preventing foreign matters from entering the second connecting pipe and affecting the normal work of the exhaust valve, and also beneficial to preventing the exhaust valve from accidentally falling out of the second connecting pipe, ensuring the accurate position of the exhaust valve and smooth exhaust.

[0014] As preferred, the exhaust valve comprises a second valve seat with a hollow inner cavity, the floating ball is arranged in the second valve seat, the first opening and the second opening are arranged on the second valve seat, the first opening and the second opening are communicated with the hollow inner cavity, and the size of the hollow inner cavity is greater than the size of the floating ball. When the exhaust valve is used for exhaust, the floating ball falls on the bottom of the hollow inner cavity of the second valve seat, and when the exhaust is gradually completed, the water flows into the hollow inner cavity of the second valve seat, the floating ball is subjected to the buoyancy of the water and gradually floats up to the top of the hollow inner cavity of the second valve seat. In order to make the floating ball smoothly seal the second opening, the second opening is preferably arranged in the top of the hollow inner cavity of the second valve seat.

[0015] As preferred, the inner end of the first valve seat on the switch valve is abuttingly and stop-movably arranged on the inner wall of the connecting pipe, and the outer wall of the second valve seat on the exhaust valve is fixedly arranged on the inner wall of the second connecting pipe. The inner end of the first valve seat on the switch valve is arranged in the inner cavity of the connecting pipe, and when water flows in the inner cavity of the connecting pipe, the inner end of the first valve seat is easily pushed and displaced by the water flow, and the inner end of the first valve seat is abuttingly and stop-movably arranged on the inner wall of the connecting pipe, which is beneficial to ensure that the switch valve smoothly and effectively closes or opens the water supply of the corresponding pipe section on the water supply pipeline. The exhaust valve is fixed in the corresponding position of the second connecting pipe by interference fit, welding, gluing, screw connection or riveting, so that the second opening is opposite to the exhaust port, which is beneficial to smooth exhaust.

[0016] The utility model has the advantages that: 1, the equipment such as instrument, valve and exhaust valve is assembled to the connecting pipe, and the connecting pipe is assembled to the water supply pipeline, so that the operation of directly opening and welding screw thread on the water supply pipeline is avoided, and the possibility of water leakage of the water supply pipeline is reduced. 2, the connecting pipe, the instrument, the valve and the exhaust valve can be conveniently replaced, and the operation is simple and convenient, the operation in a narrow and unsuitable space can be avoided, the operation in a comfortable space can be performed, the maintenance strength is reduced, and the operation comfort is improved. 3, the connecting pipe and the connecting pipe are integrated, which is beneficial to convenient production and processing, reduces the production cost and the maintenance cost, reduces the possibility of water leakage of the connecting part of the split structure, and improves the reliability of the connecting pipe. 4, the inner end of the first valve seat on the switch valve is arranged in the inner cavity of the connecting pipe, the inner end of the first valve seat is easily pushed and displaced by the water flow when water flows in the inner cavity of the connecting pipe, and the inner end of the first valve seat is abuttingly and stop-movably arranged on the inner wall of the connecting pipe, which is beneficial to ensure that the switch valve smoothly and effectively closes or opens the water supply of the corresponding pipe section on the water supply pipeline. 5, the exhaust valve is fixed in the corresponding position of the second connecting pipe by interference fit, welding, gluing, screw connection or riveting, so that the second opening is opposite to the exhaust port, which is beneficial to smooth exhaust. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model.

[0018] Figure 2 yes Figure 1 A cross-sectional structural diagram showing the switch valve in the open state and the exhaust valve in the exhaust state.

[0019] Figure 3 yes Figure 2 A schematic diagram of a switch valve in the closed state.

[0020] Figure 4 yes Figure 2 A cross-sectional view of the structure with the exhaust valve in the closed state.

[0021] In the diagram: 1. Connecting pipe; 2. First connecting pipe; 3. Second connecting pipe; 4. Handle; 5. Valve stem; 6. First valve seat; 7. Valve ball; 8. First channel; 9. Second channel; 10. Vent hole; 11. Second valve seat; 12. First opening; 13. Second opening; 14. Float; 15. Cover; 16. Reinforcing seat; 17. Protrusion; 18. Groove; 19. Top block. Detailed Implementation

[0022] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0023] Example: Figures 1-4 As shown, a valve device includes a connecting pipe 1. An air vent valve and a switching valve are provided on the side wall of the connecting pipe 1. The two ends of the connecting pipe 1 are respectively used to connect with corresponding joints on the water supply pipeline, so that the inner cavity of the connecting pipe 1 is connected to the inner cavity of the water supply pipeline. The air vent valve is used to discharge the gas in the water supply pipeline, and the switching valve is used to close or open the water supply of the corresponding pipe section on the water supply pipeline.

[0024] The difference between this technical solution and the existing technology is that it avoids the problems of easy water leakage, complicated operation and high labor intensity that exist in the existing technology of directly installing instruments, switching valves and air valves by opening the water supply pipeline and installing threads. Instead, it adopts the method of setting instruments, switching valves and air valves on the connecting pipe 1.

[0025] The technical scheme is characterized in that: the instrument, the on-off valve and the exhaust valve are assembled on the connecting pipe 1, and then the connecting pipe 1 is assembled on the water supply pipeline, thereby avoiding the operation of directly opening and welding threads on the water supply pipeline, avoiding the possible leakage of the water supply pipeline, and if leakage occurs between the connecting pipe 1 and the water supply pipeline, the connecting pipe 1 is disassembled, and the leakage is prevented by winding raw material belts or replacing sealing rings on the connecting pipe 1, which is simple and convenient. If leakage occurs between the instrument, the on-off valve and the exhaust valve and the connecting pipe 1, or the equipment fails, the connecting pipe 1 can also be disassembled from the water supply pipeline, and then the connecting pipe 1 is reconnected to the water supply pipeline after sealing treatment or equipment maintenance or replacement, which is not only simple and convenient, but also avoids operation in a small and unsuitable space, and improves the operation comfort and reduces the maintenance strength.

[0026] Next, the above technical scheme is further described in detail.

[0027] In actual application, the side wall of the connecting pipe 1 has at least the first connecting pipe 2 and the second connecting pipe 3 which are outwardly convex, the on-off valve is arranged on the first connecting pipe 2, and the exhaust valve is arranged on the second connecting pipe 3. The number of the side wall of the connecting pipe 1 is consistent with or more than the number of the equipment, and the excess connecting pipes are used as standby, which is convenient for assembling corresponding equipment according to actual needs.

[0028] In the embodiment, the on-off valve and the exhaust valve are taken as examples for detailed description. Similarly, a third connecting pipe can be arranged on the connecting pipe 1 for mounting the instrument.

[0029] In the utility model, the number of the first connecting pipe 2, the second connecting pipe 3 and the third connecting pipe is not specifically limited, and the corresponding number of connecting pipes can be arranged according to actual needs.

[0030] In actual application, in order to facilitate production and processing, and also to reduce the possibility of leakage at the connection part when the connecting pipe 1 is in a split structure, thereby improving the use reliability of the connecting pipe 1, the first connecting pipe 2 and the second connecting pipe 3 are in an integrated structure with the connecting pipe 1, and the inner cavities of the first connecting pipe 2 and the second connecting pipe 3 are in communication with the inner cavity of the connecting pipe 1.

[0031] In actual application, the on-off valve comprises a valve core, a valve rod 5 and a handle 4, the valve core is matched with the inner cavity of the connecting pipe 1, the inner end of the valve rod 5 is matched with the valve core, the outer end of the valve rod 5 penetrates out of the first connecting pipe 2, and the handle 4 is arranged at the outer end of the first connecting pipe 2.

[0032] The handle 4 is controlled to drive the valve rod 5 to act, and the valve core position is adjusted by the valve rod 5 to make the inner cavity of the connecting pipe 1 in communication or isolation, so as to achieve the purpose of closing or opening the water supply of the corresponding pipe section on the water supply pipeline.

[0033] In practical application, the valve core comprises a first valve seat 6 and a valve ball 7, the valve ball assembly cavity is arranged in the first valve seat 6, the valve ball 7 is arranged in the valve ball assembly cavity, the inner end of the valve rod 5 is inserted into the first valve seat 6 and connected with the valve ball, the first channel 8 is arranged on the first valve seat 6 and penetrates the first valve seat 6, the first channel 8 is communicated with the inner cavity of the connecting pipe 1, the second channel 9 is arranged on the valve ball 7 and penetrates the valve ball 7, the handle 4 rotates the valve ball 7 through the valve rod 5, so as to open the second channel 9 through the first channel 8 and the inner cavity of the connecting pipe 1 to supply water or close the second channel 9 through the first valve seat 6 to stop water supply.

[0034] In practical application, the first channel 8 is communicated with the inner cavity of the connecting pipe 1, the second channel 9 passes through the center of the valve ball 7, and the second channel 9 is communicated with or cut off from the inner cavity of the connecting pipe 1 through rotation.

[0035] When the second channel 9 is arranged in the first channel 8 and arranged in parallel or coaxial with the first channel 8, the second channel 9 is communicated with the inner cavity of the connecting pipe 1, otherwise, the second channel 9 is cut off from the inner cavity of the connecting pipe 1.

[0036] Specifically, under the action of the valve rod 5, the valve ball 7 can rotate in the first valve seat 6, when the second channel 9 is arranged in the first channel 8 and arranged in parallel or coaxial with the first channel 8, the second channel 9 is communicated with the inner cavity of the connecting pipe 1, so that the corresponding pipe section on the water supply pipeline is opened to supply water; after the valve core rotates in the first valve seat 6, the two ends of the second channel 9 are blocked by the first valve seat 6, the second channel 9 is not communicated with the inner cavity of the connecting pipe 1, the inner cavity of the connecting pipe 1 is blocked by the first valve seat 6 and the valve ball 7, and the corresponding pipe section on the water supply pipeline stops water supply.

[0037] In practical application, the second connecting pipe 3 is provided with an exhaust hole 10, the exhaust valve is arranged in the second connecting pipe 3, the exhaust valve is provided with a first opening 12 and a second opening 13, the exhaust valve is provided with a floating ball 14, the first opening 12 is communicated with the inner cavity of the connecting pipe 1, the second opening 13 is communicated with the exhaust hole 10, the floating ball 14 is disengaged from the second opening 13 for exhaust, and the floating ball 14 seals against the second opening 13 to complete exhaust so that the connecting pipe 1 is used for water supply.

[0038] Specifically, when air exists in the connector 1 and water supply pipeline needs to be supplied through the connector 1, the water flow on the water supply pipeline pushes the air to flow into the first opening 12, the inner cavity of the exhaust valve, and finally out through the second opening 13, the exhaust hole 10 on the exhaust valve. As the air is continuously discharged, the water flow gradually enters the inner cavity of the exhaust valve, the floating ball 14 is gradually floated up by the buoyancy of the water, and finally abuts against the second opening 13 and closes the second opening 13, completing the air exhaust process. At the same time, the floating ball 14 closes the second opening 13 to prevent the water flow from flowing out through the exhaust port, achieving the purpose of preventing overflow and being beneficial to ensuring the smooth water supply of the water supply pipeline.

[0039] In actual application, in order to prevent foreign matters from entering the second connecting pipe 3 and affecting the normal work of the exhaust valve, and also to prevent the exhaust valve from accidentally falling off from the second connecting pipe 3, ensure the accurate position of the exhaust valve and smooth exhaust, the outer end of the second connecting pipe 3 is provided with a cover 15 for limiting the position of the exhaust valve in the second connecting pipe 3.

[0040] In actual application, the exhaust valve comprises a second valve seat 11 with a hollow inner cavity, the floating ball 14 is arranged in the second valve seat 11, the first opening 12 and the second opening 13 are arranged on the second valve seat 11, and the first opening 12 and the second opening 13 are communicated with the hollow inner cavity. The size of the hollow inner cavity is greater than the size of the floating ball 14.

[0041] Specifically, when the exhaust valve is used for exhaust, the floating ball 14 falls to the bottom of the hollow inner cavity of the second valve seat 11. During the process of gradually completing the exhaust, the water flow enters the hollow inner cavity of the second valve seat 11, and the floating ball 14 is gradually floated up to the top of the hollow inner cavity of the second valve seat 11 by the buoyancy of the water. In order to enable the floating ball 14 to smoothly seal against the second opening 13, the second opening 13 is preferably adaptively arranged with the top of the hollow inner cavity of the second valve seat 11.

[0042] In actual application, the inner end of the first valve seat 6 on the switch valve is abuttingly and stoppably matched with the inner wall of the connector 1, and the outer wall of the second valve seat 11 on the exhaust valve is fixedly matched with the inner wall of the second connecting pipe 3. For example, the exhaust valve is fixed in the corresponding position of the second connecting pipe through interference fit or welding or gluing or threaded connection or riveting, etc.

[0043] Specifically, the inner end of the first valve seat 6 on the switch valve is arranged corresponding to the inner cavity of the connecting pipe 1, when water flows in the inner cavity of the connecting pipe 1, the inner end of the first valve seat 6 is easily pushed by the water flow to displace, the inner end of the first valve seat 6 is pressed against the inner wall of the connecting pipe 1 to stop displacement, which is beneficial to ensure that the switch valve smoothly and effectively closes or opens the corresponding pipe section on the water supply pipeline. The exhaust valve is fixed in the corresponding position of the second connecting pipe 3 by interference fit or welding fit, so that the second opening 13 is opposite to the exhaust port, which is beneficial to smooth exhaust.

[0044] Further, in order to ensure the strength between the first connecting pipe 2 and the connecting pipe 1, facilitate the installation of the switch valve, facilitate the confirmation of the installation direction of the switch valve, make the setting position of the first channel 8 and the second channel 9 on the switch valve accurate, and achieve the purpose of accurate switching, the reinforcing seat 16 is arranged on the connecting pipe 1, and the reinforcing seat 16 and the connecting pipe 1 are in an integrated structure.

[0045] In order to achieve the effect that the inner end of the first valve seat 6 is pressed to stop displacement, the inner end of the first valve seat 6 is provided with a protrusion 17, the inner wall of the connecting pipe 1 is provided with a groove 18, the protrusion 17 is inserted into the groove 18, and the purpose of pressing to stop displacement is achieved.

[0046] In order to make the float ball 14 in the exhaust valve fall down or float up smoothly, the inner side of the cover 15 is provided with a top block 19, the top block 19 is inserted into the valve ball 7, the inner end of the top block 19 cooperates with the float ball 14, so that the float ball 14 can fall down or float up smoothly.

[0047] The above only describes the preferred embodiments of the present application and is not used to limit the present application. In the above embodiments, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A valve device, characterized by The utility model provides a water supply pipe valve, including the takeover (1), the side wall of the takeover (1) is provided with exhaust valve and switch valve, the both ends of the takeover (1) are used to form the connection with the corresponding joint on water supply pipeline respectively, make the inner chamber of the takeover (1) with the inner chamber of water supply pipeline communicate, the exhaust valve is used to make the gas in water supply pipeline exhaust, the switch valve is used to make the corresponding pipe section on water supply pipeline close water supply or open water supply, The switch valve includes a valve core, a valve rod (5) and a handle (4), the valve core includes a first valve seat (6) and a valve ball (7), the first valve seat (6) is provided with a valve ball assembly cavity, the valve ball (7) is arranged in the valve ball assembly cavity, the inner end of the valve rod (5) is inserted into the first valve seat (6) and connected with the valve ball, the first valve seat (6) is provided with a first channel (8) penetrating through the first valve seat (6), the first channel (8) is communicated with the inner chamber of the takeover (1), the valve ball (7) is provided with a second channel (9) penetrating through the valve ball (7), the handle (4) rotates the valve ball (7) through the valve rod (5), is used to make the second channel (9) pass through the first channel (8) and be communicated with the inner chamber of the takeover (1) and open water supply or the first valve seat (6) is cut off the second channel (9) and closes water supply.

2. The valve device of claim 1, wherein The side wall of the takeover (1) has at least a first connecting pipe (2) and a second connecting pipe (3) which are convex outward, the switch valve is arranged on the first connecting pipe (2), and the exhaust valve is arranged on the second connecting pipe (3).

3. The valve device of claim 2, wherein The first connecting pipe (2) and the second connecting pipe (3) are integrated with the takeover (1), and the inner chamber of the first connecting pipe (2) and the inner chamber of the second connecting pipe (3) are communicated with the inner chamber of the takeover (1).

4. The valve apparatus of claim 2, wherein The valve core is matched with the inner chamber of the takeover (1), the inner end of the valve rod (5) is matched with the valve core, the outer end of the valve rod (5) penetrates out of the first connecting pipe (2), the handle (4) is arranged at the outer end of the first connecting pipe (2), and the valve rod (5) adjusts the position of the valve core to make the inner chamber of the takeover (1) communicate or be cut off to achieve the purpose of closing water supply or opening water supply for the corresponding pipe section on the water supply pipeline.

5. The valve apparatus of claim 1, wherein The first channel (8) is communicated with the inner chamber of the takeover (1), the second channel (9) passes through the center of the valve ball (7), and the second channel (9) is communicated with or cut off from the inner chamber of the takeover (1) through rotation.

6. The valve apparatus of claim 2, wherein The second connecting pipe (3) is provided with an exhaust hole (10), the exhaust valve is arranged in the second connecting pipe (3), the exhaust valve is provided with a first opening (12) and a second opening (13), the exhaust valve is provided with a floating ball (14), the first opening (12) is communicated with the inner chamber of the takeover (1), the second opening (13) is communicated with the exhaust hole (10), the floating ball (14) is matched with the second opening (13) to exhaust, and the floating ball (14) seals the second opening (13) to complete the exhaust, so that the takeover (1) is used for water supply.

7. The valve device of claim 6, wherein An outer end of the second connecting pipe (3) is provided with a cover (15) for limiting the exhaust valve in the second connecting pipe (3).

8. The valve apparatus of claim 6, wherein The exhaust valve comprises a second valve seat (11) with a hollow inner cavity, the floating ball (14) is arranged in the second valve seat (11), the first opening (12) and the second opening (13) are arranged on the second valve seat (11), the first opening (12) and the second opening (13) are communicated with the hollow inner cavity, and the size of the hollow inner cavity is greater than the size of the floating ball (14).

9. The valve apparatus of claim 2, wherein An inner end of the first valve seat (6) on the switch valve is abuttingly fixed with the inner wall of the connecting pipe (1), and an outer wall of the second valve seat (11) on the exhaust valve is fixedly connected with the inner wall of the second connecting pipe (3).

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