Water valve with leakage self-locking function

Abstract

The application discloses a water valve with a leakage self-locking function, and relates to the technical field of valves.The water valve comprises a valve body, a rotating handle is installed on the valve rod of the valve body, connecting water pipes are symmetrically installed on the two sides of the valve body, leakage detection assemblies are arranged on the two sides of the valve body, anti-leakage assemblies are arranged at the connecting positions of the connecting water pipes and the valve body, and reinforcing assemblies are arranged above the valve body.When the water valve is working, the leakage detection assemblies are driven to work by water flow, and rotation detection is carried out at the connecting positions of the water pipes and the water valve.When leakage is detected, the anti-leakage assemblies are started to reinforce and seal the connecting positions of the water valve and the connecting water pipes.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of valves, in particular to a water valve with leakage self-locking function. BACKGROUND

[0002] Valves, as key components in fluid control systems, have backgrounds and importance in many fields. There are various types of valves, including gate valves, stop valves, butterfly valves, ball valves, etc., which play an important role in controlling the flow of various fluids such as air, water, steam, corrosive media, mud, oil, liquid metal and radioactive media. In the context of rising energy prices, innovative valve designs are crucial for reducing energy consumption and achieving energy saving, which not only actively responds to environmental protection requirements, but also is a key strategy to promote sustainable development. As an indispensable safety barrier in many critical systems, the improvement of reliability and safety of valves is crucial for reducing leakage and failure risks.

[0003] However, existing water valves do not have the function of preventing leakage and cannot self-lock in the event of leakage, which urgently requires us to develop a new type of water valve with anti-leakage function to further improve the safety and environmental performance of water flow delivery systems. SUMMARY

[0004] The purpose of the present application is to provide a water valve with leakage self-locking function to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a water valve with leakage self-locking function, characterized in that: the water valve with leakage self-locking function comprises a valve body, a rotating handle is installed on the valve stem of the valve body, two connecting water pipes are symmetrically installed at both ends of the valve body, the valve body and the connecting water pipes are connected through a plurality of bolts, leakage detection assemblies are arranged on both sides of the valve body, a leakage prevention assembly is arranged at the connection between the connecting water pipe and the valve body, and a reinforcing assembly is arranged above the valve body. When the water valve is in use, the leakage detection assemblies monitor the rotation of the connection between the valve body and the connecting water pipes under the driving of the water flow. When leakage occurs at the connection between the valve body and the connecting water pipes, the leakage detection assemblies transmit signals to the leakage prevention assembly, and the leakage prevention assembly starts to work to reinforce and seal the connection.

[0006] As a preferred technical scheme, the leakage prevention assembly comprises a driving motor, a gear one, a gear two, a sliding hole, a circular rod, a connecting elbow, a cylinder and an extrusion arc plate.

[0007] The valve body is provided with a driving motor and a plurality of round rods on both sides of the end face, the output end of the driving motor is provided with a gear one, the valve body is rotatably provided with a gear two near the end of the connecting water pipe, the gear one is engaged with the gear two, a plurality of sliding holes are formed in the gear two, a plurality of round rods pass through the sliding holes, a plurality of cylinders are installed on both ends of the valve body, a plurality of extrusion arc plates are rotatably installed on the cylinders, the extrusion arc plates are connected with the gear two through connecting bent rods, the both ends of the connecting bent rods are respectively hinged with the gear two and the extrusion arc plate, when the leakage is detected, the driving motor is started to drive the gear one of the output end to rotate, and then drive the gear two engaged with it to rotate, at this time, the gear two can drive the extrusion arc plate to rotate through the connecting bent rod in the rotating process, forming a shutter effect, by controlling the rotation angle of the gear one, the contraction degree of the plurality of extrusion arc plates can be controlled, so that the extrusion arc plate extrudes and seals the connecting part of the connecting water pipe and the valve body, which can avoid the leakage and ensure the stability of the liquid conveying line.

[0008] As a preferred technical scheme, the leakage detection assembly comprises a water inlet pipe, a water outlet pipe, a piston cylinder, a piston rod, a piston, an annular hole plate, a rotating gear, a transmission gear, an annular gear, a detection rod, a pull rod, a sensor one, a sensor two and a spring one.

[0009] Two piston cylinders are symmetrically installed on both sides of the valve body, a piston is slidably installed in the piston cylinder, a piston rod is fixedly installed on the piston, a spring is sleeved on the piston rod, the spring is connected with the piston cylinder and the piston, the piston cylinder is connected with the valve body through the water inlet pipe and the water outlet pipe, an annular hole plate is fixedly installed on the end of the piston rod away from the piston, a rotating gear is rotatably installed on the valve body, a pull rod is eccentrically installed on the rotating gear, the pull rod passes through the hole on the annular hole plate, an annular gear and a transmission gear are rotatably installed on the side of the valve body close to the rotating gear at both ends, the rotating gear is meshed with the transmission gear, the transmission gear is meshed with the annular gear, a detection rod is installed on the annular gear, a water leakage detector is installed on the detection rod, and the water leakage detector is electrically connected with the driving motor, when the water valve works, the water flow enters the piston cylinder through the water inlet pipe, so that the piston drives the piston rod to slide and press the spring one under the action of the water flow, when the piston approaches the sensor two, the sensor two transmits a signal to the on-off check valve two, the water inlet pipe is controlled to be closed, at this time, the liquid in the piston cylinder can be discharged through the water outlet pipe, the piston and the piston rod are close to the sensor one under the reset of the spring one, the sensor one transmits a signal to the on-off check valve two, the water outlet pipe is controlled to be closed, the water inlet pipe is water-filled, the piston and the piston rod are moved, and the reciprocating movement of the piston rod is realized, the annular hole plate is driven to move synchronously under the cooperation of the annular hole plate and the pull rod, the rotating gear is driven to rotate, the transmission gear is driven to rotate, the annular gear is driven to move in a circular trajectory, and the water leakage detector can comprehensively monitor the connection between the valve body and the connected water pipe.

[0010] As a preferred technical scheme, the water inlet pipe is provided with an on-off check valve one, the water outlet pipe is provided with an on-off check valve two, the piston cylinder is provided with a sensor one and a sensor two, the sensor one is electrically connected with the on-off check valve one, and the sensor two is electrically connected with the on-off check valve two.

[0011] As a preferred technical scheme, the reinforcing assembly comprises a movable cylinder, a sliding plate, a connecting rod, a movable plate, a moving rod, a conversion block, an extrusion rod and an arc-shaped plate.

[0012] The movable cylinder is internally provided with a water inlet hole, a sliding plate is slidably arranged in the movable cylinder, a through hole is formed in the valve body, the through hole is connected with the through hole, a connecting rod is arranged on the side of the sliding plate close to the through hole, the connecting rod penetrates through the through hole and the through hole in a sliding fit, a movable plate is arranged on the connecting rod, a plurality of moving rods are arranged on the upper surface of the movable plate, a conversion block is arranged on the moving rods, an active groove is formed in the conversion block, an extrusion rod is slidably arranged in the active groove, and an arc plate is fixedly connected to one end of the extrusion rod.

[0013] As a preferred technical solution, a sealing gasket is arranged at the gap between the valve body and the valve rod, a groove is formed in the valve body, and the arc plate is slidably arranged in the groove.

[0014] As a preferred technical solution, a spring is arranged on the connecting rod, the spring is connected with the sliding plate and the movable cylinder, and the sealing gasket is at the same horizontal height as the groove.

[0015] As a preferred technical solution, a serpentine groove is formed in the conversion block, a round block is arranged on the extrusion rod, and the round block is slidably arranged in the serpentine groove.

[0016] Compared with the prior art, the beneficial effects of the present application are:

[0017] 1. The leakage detection assembly is arranged, when the water valve is working, the water flow drives the piston rod to do reciprocating linear motion, drives the transmission gear to rotate and drives the ring gear to rotate, so that the detector on the detection rod can comprehensively monitor the connection between the valve body and the connecting water pipe.

[0018] 2. The anti-leakage assembly is arranged, when the detector detects that leakage occurs at the connection, the driving motor is started, the gear one and the gear two are driven to rotate, and the extrusion arc plate is driven to extrude and seal the connection through the connecting bent rod.

[0019] 3. The application is provided with a reinforcing assembly, when the valve works, the sliding plate is pushed by the water pressure, the spring is compressed, the conversion block is moved up, the round block on the extrusion rod slides in the snake-shaped groove, the extrusion rod drives the arc-shaped plate to move towards the sealing gasket, the sealing gasket is extruded, the sealing effect is automatically adjusted according to the water pressure. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the first perspective view of the application;

[0021] Figure 2 is the first cut structure schematic view of the application;

[0022] Figure 3 is the second perspective view of the application;

[0023] Figure 4 is the third perspective view of the application;

[0024] Figure 5 is Figure 3 the enlarged structure schematic view of A in it;

[0025] Figure 6 is Figure 1 the enlarged structure schematic view of B in it;

[0026] Figure 7 is Figure 3 the enlarged structure schematic view of C in it;

[0027] Figure 8 is Figure 2 the enlarged structure schematic view of D in it

[0028] Figure 9 is Figure 4 the enlarged structure schematic view of E in it.

[0029] In the diagram: 1. Valve body; 2. Connecting water pipe; 3. Leakage prevention component; 301. Drive motor; 302. Gear 1; 303. Gear 2; 304. Sliding hole; 305. Round rod; 306. Connecting bent rod; 307. Cylinder; 308. Extrusion arc plate; 4. Leakage detection component; 401. Inlet pipe; 402. Outlet pipe; 403. Piston cylinder; 404. Piston rod; 405. Piston; 406. Annular orifice plate; 40 7. Rotating gear; 408. Transmission gear; 409. Ring gear; 410. Detection rod; 411. Toggle lever; 412. Sensor 1; 413. Sensor 2; 414. Spring 1; 5. Bolt; 6. Reinforcing assembly; 601. Movable cylinder; 602. Sliding plate; 603. Connecting rod; 604. Movable plate; 605. Moving rod; 606. Conversion block; 607. Pressing rod; 608. Arc plate; 7. Rotating handle. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Example: Figures 1-3 As shown, the present invention provides a technical solution: a water valve with a leakage self-locking function, characterized in that: the water valve with leakage self-locking function includes a valve body 1, a rotating handle 7 is installed on the valve stem of the valve body 1, connecting water pipes 2 are symmetrically installed at both ends of the valve body 1, the valve body 1 and the connecting water pipes 2 are connected by multiple bolts 5, leakage detection components 4 are provided on both sides of the valve body 1, an anti-leakage component 3 is provided at the connection between the connecting water pipes 2 and the valve body 1, and a reinforcement component 6 is provided on the top of the valve body 1. When the water valve is in use, driven by the water flow, the leakage detection component 4 rotates and monitors the connection between the valve body 1 and the connecting water pipes 2. When a leakage occurs at the connection between the valve body 1 and the connecting water pipes 2, the leakage detection component 4 transmits a signal to the anti-leakage component 3, and the anti-leakage component 3 starts to work, reinforcing and sealing the connection.

[0032] like Figures 2-5 As shown, the anti-leakage component 3 includes a drive motor 301, a gear 1 302, a gear 2 303, a sliding hole 304, a round rod 305, a connecting bent rod 306, a cylinder 307, and an extrusion arc plate 308;

[0033] The valve body 1 is provided with a driving motor 301 and a plurality of round rods 305 on both sides of the end face, the output end of the driving motor 301 is provided with a gear one 302, the valve body 1 is rotatably provided with a gear two 303 near the end connected with the water pipe 2, the gear one 302 is engaged with the gear two 303, a plurality of sliding holes 304 are formed in the gear two 303, the plurality of round rods 305 pass through the sliding holes 304, a plurality of cylinders 307 are provided on both ends of the valve body 1, a plurality of extrusion arc plates 308 are rotatably provided on the plurality of cylinders 307, the extrusion arc plates 308 are connected with the gear two 303 through connecting bent rods 306, the connecting bent rods 306 are hingedly connected with the gear two 303 and the extrusion arc plates 308 at both ends, when the leakage is detected, the driving motor 301 is started to drive the gear one 302 at the output end to rotate, and then drive the gear two 303 engaged therewith to rotate, at this time, the gear two 303 can drive the extrusion arc plates 308 to rotate through the connecting bent rods 306 in the rotating process, forming a shutter effect, by controlling the rotation angle of the gear one 302, the contraction degree of the plurality of extrusion arc plates 308 can be controlled, so that the extrusion arc plates 308 extrude and seal the connection between the water pipe 2 and the valve body 1, and the leakage can be avoided, and the stability of the liquid conveying line can be ensured.

[0034] As shown in Figures 2-5 and Figures 8-7 The leakage detection assembly 4 includes a water inlet pipe 401, a water outlet pipe 402, a piston cylinder 403, a piston rod 404, a piston 405, an annular hole plate 406, a rotating gear 407, a transmission gear 408, an annular gear 409, a detection rod 410, a pull rod 411, a sensor one 412, a sensor two 413 and a spring one 414.

[0035] Two piston cylinders 403 are symmetrically installed on both sides of the valve body 1, a piston 405 is slidably installed in the piston cylinder 403, the piston 405 is fixedly installed with a piston rod 404, the piston rod 404 is sleeved with a spring one 414, the spring one 414 is connected with the piston cylinder 403 and the piston 405, the piston cylinder 403 is connected with the valve body 1 through the water inlet pipe 401 and the water outlet pipe 402, the valve body 1 is rotatably installed with a rotating gear 407, the rotating gear 407 is eccentrically installed with a lever 411, the lever 411 passes through the hole in the annular hole plate 406, the valve body 1 is rotatably installed with an annular gear 409 and a transmission gear 408 on one side close to the rotating gear 407 at both ends, the rotating gear 407 is engaged with the transmission gear 408, the transmission gear 408 is engaged with the annular gear 409, the annular gear 409 is installed with a detection rod 410, the detection rod 410 is installed with a water leakage detector, the water leakage detector is electrically connected with the driving motor 301, when the water valve works, the water flows into the piston cylinder 403 through the water inlet pipe 401, so that the piston 405 drives the piston rod 404 to slide and press the spring one 414 under the action of the water flow, when the piston 405 approaches the sensor two 413, the sensor two 413 transmits a signal to the on-off check valve two, controls the water inlet pipe 401 to be closed, at this time, the liquid in the piston cylinder 403 can be discharged through the water outlet pipe 402, the piston 405 and the piston rod 404 are close to the sensor one 412 under the reset of the spring one 414, the sensor one 412 transmits a signal to the on-off check valve two, controls the water outlet pipe 402 to be closed, so that the water inlet pipe 401 is water-filled, and the piston 405 and the piston rod 404 move, and the piston rod 404 drives the annular hole plate 406 to move synchronously, under the cooperation of the annular hole plate 406 and the lever 411, the rotating gear 407 can be driven to rotate, through the meshing of the rotating gear 407 and the transmission gear 408, the transmission gear 408 can drive the annular gear 409 to rotate, so that the annular gear 409 drives the detection rod 411 to move in a circular trajectory, and the water leakage detector can comprehensively monitor the connection between the valve body 1 and the connecting water pipe 2.

[0036] The water inlet pipe 401 is installed with an on-off check valve one, the water outlet pipe 402 is installed with an on-off check valve two, the piston cylinder 403 is internally installed with a sensor one 412 and a sensor two 413, the sensor one 412 is electrically connected with the on-off check valve one, and the sensor two 413 is electrically connected with the on-off check valve two.

[0037] As Figures 1-3As shown, the reinforcing assembly 6 comprises a movable cylinder 601, a sliding plate 602, a connecting rod 603, a movable plate 604, a moving rod 605, a conversion block 606, an extrusion rod 607 and an arc plate 608;

[0038] The movable cylinder 601 is installed in the valve body 1, the bottom of the movable cylinder 601 is provided with a water inlet hole, the inside of the movable cylinder 601 is slidably provided with the sliding plate 602, the top of the movable cylinder 601 is provided with a through hole, the valve body 1 is provided with a through hole, the through hole is connected with the through hole, the side of the sliding plate 602 close to the through hole is provided with the connecting rod 603, the connecting rod 603 penetrates through the through hole and the through hole and is in sliding fit, the connecting rod 603 is provided with the movable plate 604, the upper surface of the movable plate 604 is provided with a plurality of moving rods 605, a plurality of the moving rods 605 are provided with the conversion block 606, the inside of the conversion block 606 is provided with a movable groove, the inside of the movable groove is slidably provided with the extrusion rod 607, one end of the extrusion rod 607 is fixedly connected with the arc plate 608, when the valve works, the water flow can enter into the movable cylinder 601 through the water inlet hole, the sliding plate 602 can be moved upward by the pushing force of the water pressure to compress the spring, and then the transmission member composed of the connecting rod 603, the movable plate 604 and the moving rod 605 can drive the conversion block 606 to move synchronously, when the conversion block 606 moves upward, the round block 6062 on the extrusion rod 607 slides in the serpentine groove 6061, so that the extrusion rod 607 can drive the arc plate 608 to move towards the sealing gasket to extrude the sealing gasket, and the automatic adjustment of the sealing effect can be realized according to the strength change of the water pressure.

[0039] The sealing gasket is installed at the gap between the valve body 1 and the valve rod, the valve body 1 is provided with a groove, and the arc plate 608 is slidably installed in the groove.

[0040] The connecting rod 603 is provided with a spring, the spring connects the sliding plate 602 and the movable cylinder 601, and the sealing gasket is at the same horizontal height as the groove.

[0041] The conversion block 606 is provided with a serpentine groove 6061, the extrusion rod 607 is provided with a round block 6062, and the round block 6062 is slidably installed in the serpentine groove 6061, so that the extrusion rod 607 moves transversely and drives the arc plate 608 to extrude the sealing gasket when the conversion block 606 moves upward.

[0042] The working principle of the present application is as follows: firstly, when the water valve is working, water flows into the piston cylinder 403 through the water inlet pipe 401, so that the piston 405 drives the piston rod 404 to slide and press the spring 414 under the action of water flow, when the piston 405 approaches the sensor 413, the sensor 413 transmits a signal to the on-off valve 2, and controls the water inlet pipe 401 to be closed, at this time, the liquid in the piston cylinder 403 can be discharged through the water outlet pipe 402, the piston 405 and the piston rod 404 are close to the sensor 412 under the reset of the spring 414, the sensor 412 transmits a signal to the on-off valve 2, and controls the water outlet pipe 402 to be closed, so that the water inlet pipe 401 is allowed to enter water, and the piston 405 and the piston rod 404 are allowed to move, and the reciprocating movement of the piston rod 405 is realized, so that the piston rod 405 drives the annular hole plate 406 to move synchronously, and the annular hole plate 406 and the lever 411 cooperate to drive the rotating gear 407 to rotate, through the meshing of the rotating gear 407 and the transmission gear 408, the transmission gear 408 can drive the annular gear 409 to rotate, so that the annular gear 409 drives the detection rod 411 to move along a circular trajectory, and the water leakage detector can comprehensively monitor the connection between the valve body 1 and the connecting water pipe 2.

[0043] Secondly, when the leakage detection assembly 4 detects that the water valve leaks, the driving motor 301 is started to drive the gear one 302 at the output end to rotate, and then drive the gear two 303 meshing therewith to rotate, at this time, the gear two 303 can drive the extrusion arc plate 308 to rotate through the connecting bent rod 306 in the rotating process, forming a shutter effect, by controlling the rotation angle of the gear one 302, the contraction degree of the plurality of extrusion arc plates 308 can be controlled, so that the extrusion arc plates 308 can extrude and seal the connection between the connecting water pipe 2 and the valve body 1, and the leakage can be avoided, and the stability of the liquid conveying line can be ensured.

[0044] Finally, water flow can enter the movable cylinder 601 through the water inlet hole, and the sliding plate 602 can compress the spring and move upward through the pushing force of the water pressure, and then the transmission member composed of the connecting rod 603, the movable plate 604 and the moving rod 605 can drive the conversion block 606 to move synchronously, so that when the conversion block 606 moves upward, the round block 6062 on the extrusion rod 607 slides in the serpentine groove 6061, so that the extrusion rod 607 can drive the arc plate 608 to move towards the sealing gasket, and the extrusion of the sealing gasket is realized, and the automatic adjustment of the sealing effect can be realized according to the strength change of the water pressure.

[0045] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims with respect to the figures of the patent document.

Claims

1. A water valve with a leakage self-locking function, characterized in that: The water valve with leakage self-locking function includes a valve body (1), a rotating handle (7) is installed on the valve stem of the valve body (1), and connecting water pipes (2) are symmetrically installed at both ends of the valve body (1). The valve body (1) and the connecting water pipes (2) are connected by multiple bolts (5). Leak detection components (4) are provided on both sides of the valve body (1). Leak prevention components (3) are provided at the connection between the connecting water pipes (2) and the valve body (1). A reinforcement component (6) is provided on the top of the valve body (1). The leak-proof component (3) includes a drive motor (301), gear one (302), gear two (303), sliding hole (304), round rod (305), connecting bent rod (306), cylinder (307) and extrusion arc plate (308). The valve body (1) is equipped with a drive motor (301) and multiple round rods (305) on both ends. The output end of the drive motor (301) is equipped with a gear 1 (302). The valve body (1) is rotatably equipped with a gear 2 (303) near the end of the connecting water pipe (2). The gear 1 (302) meshes with the gear 2 (303). The gear 2 (303) has multiple sliding holes (304). Multiple round rods (305) pass through the sliding holes (304). Multiple cylinders (307) are installed at both ends of the valve body (1). Extrusion arc plates (308) are rotatably installed on the multiple cylinders (307). The extrusion arc plates (308) are connected to the gear 2 (303) through a connecting bent rod (306). The two ends of the connecting bent rod (306) are respectively hinged to the gear 2 (303) and the extrusion arc plate (308). The leakage detection assembly (4) includes an inlet pipe (401), an outlet pipe (402), a piston cylinder (403), a piston rod (404), a piston (405), an annular orifice plate (406), a rotating gear (407), a transmission gear (408), an annular gear (409), a detection rod (410), a lever (411), a sensor one (412), a sensor two (413), and a spring one (414). Two piston cylinders (403) are symmetrically installed on both sides of the valve body (1). A piston (405) is slidably installed inside the piston cylinder (403). A piston rod (404) is fixedly installed on the piston (405). A spring (414) is sleeved on the piston rod (404). The spring (414) connects the piston cylinder (403) and the piston (405). The piston cylinder (403) is connected to the valve body (1) through an inlet pipe (401) and an outlet pipe (402). An annular perforated plate (406) is fixedly installed at the end of the piston rod (404) away from the piston (405). A rotating gear is rotatably installed on the valve body (1). (407), a lever (411) is eccentrically mounted on the rotating gear (407), the lever (411) passes through the hole on the annular plate (406), and an annular gear (409) and a transmission gear (408) are rotatably mounted on both ends of the valve body (1) near the rotating gear (407). The rotating gear (407) meshes with the transmission gear (408), and the transmission gear (408) meshes with the annular gear (409). A detection rod (410) is mounted on the annular gear (409), and a leak detector is mounted on the detection rod (410). The leak detector is electrically connected to the drive motor (301). The reinforcement component (6) includes a movable cylinder (601), a sliding plate (602), a connecting rod (603), a movable plate (604), a moving rod (605), a conversion block (606), a pressing rod (607), and an arc plate (608). A movable cylinder (601) is installed inside the valve body (1). A water inlet hole is provided at the bottom of the movable cylinder (601). A sliding plate (602) is slidably installed inside the movable cylinder (601). A through hole is provided at the top of the movable cylinder (601). A through hole is provided on the valve body (1). The through hole and the through hole are connected. A connecting rod (603) is installed on the side of the sliding plate (602) near the through hole. The connecting rod (603) passes through the through hole and the through hole and is in sliding fit. A movable plate (604) is installed on the connecting rod (603). Multiple moving rods (605) are installed on the upper surface of the movable plate (604). A conversion block (606) is installed on the multiple moving rods (605). A movable groove is provided inside the conversion block (606). A pressing rod (607) is slidably installed inside the movable groove. An arc plate (608) is fixedly connected to one end of the pressing rod (607).

2. A water valve with a leakage self-locking function according to claim 1, characterized in that: A one-way valve is installed in the inlet pipe (401), a one-way valve is installed in the outlet pipe (402), and a sensor (412) and a sensor (413) are installed inside the piston cylinder (403). The sensor (412) is electrically connected to the one-way valve, and the sensor (413) is electrically connected to the one-way valve.

3. A water valve with a leakage self-locking function according to claim 1, characterized in that: A sealing gasket is installed at the gap between the valve body (1) and the valve stem. A slot is opened on the valve body (1), and the arc plate (608) is slidably installed in the slot.

4. A water valve with a leakage self-locking function according to claim 3, characterized in that: A spring is fitted on the connecting rod (603), the spring connecting the sliding plate (602) and the movable cylinder (601), and the sealing gasket is at the same horizontal height as the slot.

5. A water valve with a leakage self-locking function according to claim 1, characterized in that: The conversion block (606) has a serpentine groove (6061) inside, and a round block (6062) is installed on the extrusion rod (607). The round block (6062) is slidably installed in the serpentine groove (6061).

Images