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CN-116817015-B - Mechanical water leakage protection device

CN116817015BCN 116817015 BCN116817015 BCN 116817015BCN-116817015-B

Abstract

The invention belongs to the technical field of water leakage protection, and provides a mechanical water leakage protection device which comprises a water pipe, a detection assembly and a leakage prevention assembly, wherein the detection assembly continuously monitors water leakage and can be used repeatedly by triggering current changes on a second metal rod and a third metal rod through lifting of a floating ring in the detection assembly along with the height of water leakage, a buffer effect on the impact effect of water in a pipeline is achieved by arranging a first baffle connected with a spring in a second groove, the problem that expanded cotton in the existing water leakage protection device needs to be replaced manually is solved, the maintenance cost of the device is increased, the pipeline is completely blocked when the protection device encounters water leakage, the safety problem in the working process of the protection device is reduced, the integrity of the pipeline is protected by the leakage prevention assembly, the service life of the device is prolonged, the maintenance cost is reduced, and a leakage detection method of the detection assembly responds more rapidly than a traditional method, and the detection efficiency is improved.

Inventors

  • XU QING
  • Ni Lutao
  • YIN YANXING
  • LU JIAHUAN

Assignees

  • 杭州富阳中荷电子有限公司

Dates

Publication Date
20260508
Application Date
20230811

Claims (10)

  1. 1. Mechanical water leakage protection device, characterized by comprising: The water inlet device comprises a base (1), wherein a water pipe (2) is fixedly connected to the outer wall of the side face of the base (1), a water inlet pipe (21) and a water outlet pipe (22) are fixedly connected to the outer wall of the top of the water pipe (2), the water inlet pipe (21), the water pipe (2) and the water outlet pipe (22) are mutually communicated, the water inlet pipe (21) and the water outlet pipe (22) are respectively used for providing channels for water to enter and exit, and sealing rings (23) used for preventing water leakage are fixedly connected to the inner walls of the water inlet pipe (21) and the water outlet pipe (22); The detection assembly (3), the detection assembly (3) comprises a shell (31), a vent hole (311), a water through hole (312), a fixed column (32), a floating ring (33), a roller (331), a sliding block (34), a magnet block (35), a first metal rod (36), a second metal rod (37), a third metal rod (38) and a current detector (39), wherein the shell (31) is fixedly connected to the outer wall of the side face of the base (1), the vent hole (311) is formed in the outer wall of the top of the shell (31), the water through hole (312) is formed in the outer wall of the bottom of the side face of the shell (31), the vent hole (311) and the water through hole (312) are multiple, the vent hole (311) is used for discharging redundant air in the shell (31) when the floating ring (33) is pushed to rise by water leakage, the fixed column (32) is fixedly connected to the inner wall of the shell (31), the floating ring (33) is sleeved and is slidingly connected to the outer wall of the fixed column (32), the roller (311) is rotationally connected to the inner wall of the floating ring (33) on the inner wall of the fixed column (32), the first metal rod (36) is fixedly connected to the inner wall of the sliding block (34), the second metal rod (37) and the third metal rod (38) are fixedly connected to the inner wall of the fixed column (32), the second metal rod and the third metal rod are respectively positioned at two sides of the first metal rod (36) and are in contact with the first metal rod to form a circuit, and the current detector (39) is fixedly connected to the inner wall of the bottom of the fixed column (32); The leakage-proof assembly (4), leakage-proof assembly (4) comprises a motor (41), a first rotating column (42), a first groove (421), a second groove (422), a telescopic rod (43), a spring (431), a first baffle plate (432), a connecting rod (44), a second rotating column (441), a second connecting rod (442), a third rotating column (443) and a second baffle plate (444), wherein the motor (41) is fixedly connected to the outer wall of the side face of the base (1), the first rotating column (42) is fixedly connected to the outer wall of a main shaft of the motor (41), the first groove (421) is formed on the outer wall of one side of the first rotating column (42), the second groove (422) is formed on the outer wall of the other side of the first rotating column (42), the telescopic rod (43) is fixedly connected to the inner wall of the first rotating column (42), the spring (431) is fixedly connected to the outer wall of the telescopic rod (43), the first baffle plate (432) is fixedly connected to the outer wall of the telescopic rod (43), the connecting rod (44) is slidingly connected to the inner wall of the first rotating column (441) and the second connecting rod (441) is fixedly connected to the outer wall of the second rotating column (442), the third rotating column (443) is fixedly connected to the outer wall of the second connecting rod (442) and is rotatably connected to the inner wall of the first rotating column (42), and the second baffle (444) is fixedly connected to the outer wall of the third rotating column (443).
  2. 2. The mechanical water leakage protection device according to claim 1, wherein the magnet block (35) is made of magnetic material, and can absorb the roller (331) made of metal material and keep the same height with the roller all the time, so as to drive the sliding block (34) to move up and down along with the floating ring (33).
  3. 3. The mechanical water leakage protection device according to claim 1, wherein the current detector (39) is internally provided with a generator and a hall sensor, and is used for generating current on a circuit consisting of a second metal rod (37), a first metal rod (36) and a third metal rod (38), and judging the height of the water leakage level by detecting the change of the current, the generator in the current detector (39) generates current, the second metal rod (37) is used for receiving current input, the first metal rod (36) is used for transmitting the current on the second metal rod (37) to the third metal rod (38), and the third metal rod (38) is used for conveying the current transmitted by the first metal rod (36) into the hall sensor in the current detector (39) and monitoring the current change.
  4. 4. The mechanical water leakage protection device according to claim 1, wherein the third metal rod (38) provides a larger resistance than the second metal rod (37), so that the influence of current variation generated by water surface fluctuation in the shell (31) on the detection result of the current detector (39) is reduced, the buffering effect on the current fluctuation variation is achieved, and the operation stability of the detection assembly (3) is improved.
  5. 5. The mechanical water leakage protection device according to claim 4, wherein the cross section of the first groove (421) is rectangular, and when water is normally supplied into the water supply pipe (2), the motor (41) drives the first rotating column (42) to rotate so that the first groove (421) faces the water inlet pipe (21) and the water outlet pipe (22), and water flows from the water inlet pipe (21) through the first groove (421) and into the water outlet pipe (22).
  6. 6. The mechanical water leakage protection device according to claim 4, wherein the cross section of the second groove (422) is triangular, when water leakage occurs, the motor (41) drives the first rotating column (42) to rotate, so that the second groove (422) is opposite to the water inlet pipe (21) and the water outlet pipe (22), water in the water inlet pipe (2) is blocked by the first baffle (432), water pressure always causes a tendency of causing the first rotating column (42) to rotate clockwise, a self-locking effect of the rotating angle of the first rotating column (42) is formed, and the water leakage prevention function of the leakage prevention assembly (4) is further enhanced.
  7. 7. The mechanical water leakage protection device according to claim 6, wherein the shortest compression length of the spring (431) is still larger than the inner diameter of the water outlet pipe (22), so that when the first rotating column (42) rotates to enable the second groove (422) to face the water inlet pipe (21) and the water outlet pipe (22), water in the water inlet pipe (2) can be completely blocked by the first baffle (432) and cannot enter the water outlet pipe (22), and the effect of automatically preventing the water in the pipeline from continuously flowing is achieved when water leakage occurs.
  8. 8. The mechanical water leakage protection device according to claim 7, wherein the first baffle (432) compresses the telescopic rod (43) to be shortened when blocking water suddenly entering the second groove (422), and the spring (431) fixedly connected between the telescopic rod (43) and the first baffle (432) provides a buffering effect on water flow impact due to self elasticity, so that the internal structure of the device is protected.
  9. 9. The mechanical water leakage protection device according to claim 6, wherein the first baffle plate (432) drives the first connecting rod (44) to slide leftwards when sliding, and the third rotating column (443) is fixedly connected to the inner wall of the first rotating column (42) by the rotating shaft and can rotate around the first rotating column, so that the first connecting rod (44) drives the second baffle plate (444) to rotate through the second connecting rod (442) when sliding leftwards, and the second baffle plates (444) stand up to slow down the water flow speed in the second groove (422) and further weaken damage caused by water flow impact in cooperation with the first baffle plates (432).
  10. 10. The mechanical water leakage protection device according to claim 9, wherein the greater the impact force of the water flow in the second groove (422), the longer the first baffle (432) is pushed by the impact force, i.e. the closer to 90 ° the angle of rotation of the second baffle (444) is driven by the first link (44), and the barrier effect of the second baffle (444) on the water flow is maximum when the second baffle (444) is perpendicular to the second groove (422), so that the second baffle (444) and the first baffle (432) cooperate to achieve the self-adaptive effect of relieving the impact force of the water flow.

Description

Mechanical water leakage protection device Technical Field The invention belongs to the technical field of water leakage protection, in particular to a mechanical water leakage protection device, which realizes the structural optimization of the protection device by optimizing the structural design related to water leakage detection and leakage stoppage. Background The water leakage protection device of the water purifier is a device for detecting and preventing the water purifier from leaking, and has the main functions of monitoring the water flow in the water purifier system, taking corresponding measures to prevent loss and waste caused by water leakage when the water leakage sensor detects water leakage, sending a signal to a closing device or a valve to cut off the water source supply, thereby preventing further water flow and reducing the loss caused by water leakage; In addition, the existing protection device usually blocks the pipeline completely when encountering water leakage, the pressure generated by the follow-up water flow on the valve and the pipe wall is maximum rapidly under the action of inertia, the pipeline is broken and damaged due to partial overpressure of the pipeline, and the safety in the working process of the protection device is reduced. Disclosure of Invention In order to solve the technical problems, the invention provides the mechanical water leakage protection device, so that the problems that the expanded cotton in the existing water leakage protection device needs to be manually replaced, the maintenance cost of the device is increased, the pipeline is completely blocked when the protection device encounters water leakage, the pipeline is broken, equipment is damaged and the like are solved, and the safety problem in the working process of the protection device is reduced. The invention provides the following technical scheme: mechanical water leakage protection device, comprising: The water inlet pipe, the water inlet pipe and the water outlet pipe are communicated with each other, and the water inlet pipe and the water outlet pipe are respectively used for providing channels for water to enter and exit; The detection assembly comprises a shell, a vent hole, a water through hole, a fixed column, a floating ring, a roller, a sliding block, a magnet block, a first metal rod, a second metal rod, a third metal rod and a current detector, wherein the shell is fixedly connected to the side outer wall of a base, the vent hole is formed in the top outer wall of the shell, the water through hole is formed in the side bottom outer wall of the shell, a plurality of vent holes and a plurality of water through holes are formed, the vent holes are used for discharging redundant air in the shell when the floating ring is pushed to rise by water leakage; The anti-leakage assembly comprises a motor, a first rotating column, a first groove, a second groove, a telescopic rod, a spring, a first baffle, a first connecting rod, a second rotating column, a second connecting rod, a third rotating column and a second baffle, wherein the motor is fixedly connected to the outer wall of the side face of the base, the first rotating column is fixedly connected to the outer wall of a spindle of the motor, the first groove is formed in the outer wall of one side of the first rotating column, the second groove is formed in the outer wall of the other side of the first rotating column, the telescopic rod is fixedly connected to the inner wall of the first rotating column, the spring is fixedly connected to the outer wall of the telescopic rod, the first connecting rod is fixedly connected to the outer wall of the first telescopic rod and the outer wall of the spring, the second connecting rod is fixedly connected to the inner wall of the first connecting rod, the second connecting rod is fixedly connected to the outer wall of the second rotating column, the third connecting rod is fixedly connected to the outer wall of the second connecting rod and the inner wall of the first rotating column, and the second baffle is fixedly connected to the outer wall of the third rotating column. Further, the magnet block is made of magnetic materials, and can adsorb the roller made of metal materials and keep the same height with the roller all the time, so that the sliding block is driven to move up and down along with the floating ring. Further, the current detector is internally provided with a generator and a Hall sensor, and is used for generating current on a circuit consisting of a second metal rod, a first metal rod and a third metal rod, judging the height of the water leakage water level by detecting the change of the current, wherein the generator in the current detector generates current, the second metal rod is used for receiving current input, the first metal rod is used for transmitting the current on the second metal rod to the third metal rod, and the third metal rod is used for conveying the curren