WO2020154829A1 - Système de commande de chasse d'eau pour couvercle de toilette - Google Patents

Système de commande de chasse d'eau pour couvercle de toilette Download PDF

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Publication number
WO2020154829A1
WO2020154829A1 PCT/CN2019/073321 CN2019073321W WO2020154829A1 WO 2020154829 A1 WO2020154829 A1 WO 2020154829A1 CN 2019073321 W CN2019073321 W CN 2019073321W WO 2020154829 A1 WO2020154829 A1 WO 2020154829A1
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WO
WIPO (PCT)
Prior art keywords
valve
water inlet
water
telescopic tube
control system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/073321
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English (en)
Chinese (zh)
Inventor
戴振宇
郭峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deahenv (xiamen) Bathroom Inc
Original Assignee
Deahenv (xiamen) Bathroom Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deahenv (xiamen) Bathroom Inc filed Critical Deahenv (xiamen) Bathroom Inc
Priority to PCT/CN2019/073321 priority Critical patent/WO2020154829A1/fr
Publication of WO2020154829A1 publication Critical patent/WO2020154829A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT; ACCESSORIES THEREFOR, e.g. TOILET ACCESSORIES
    • A47K13/00—Seats or covers for all kinds of closets

Definitions

  • the invention relates to the field of toilets, in particular to a sanitary flushing control system used for toilet covers.
  • the cleaning flow generally needs to be controlled within the range of 400-1200ml/Min, and it is necessary to install a pressure reducing valve on the toilet seat.
  • the water flows through the pressure reducing and stabilizing valve, the heating component, the on-off valve and the flushing device in sequence.
  • the on-off valve is not opened in time, the water flow heated by the heating component will be filled.
  • the pressure reducing and stabilizing valve only has the function of stabilizing, and does not have the function of cutting off the water circuit, so that the pipeline between the heating component and the on-off valve is continuously heated and pressurized, which will Accelerate the aging of the pipeline, causing the pipeline to rupture or the pipeline to break away from the pipeline joints and cause leakage, and the toilet cover is also provided with a control circuit and other circuit structures, which causes the toilet cover of the smart toilet to have a safety hazard during use.
  • the inventor of the present invention developed and designed the present invention in order to solve the many deficiencies and inconveniences caused by the above-mentioned structural design.
  • the purpose of the present invention is to provide a sanitary flushing control system for a toilet cover, which reduces hidden safety hazards, prolongs the service life, simplifies the control structure, and reduces production costs.
  • the solution of the present invention is:
  • a sanitary flushing control system for toilet lids includes a flow limiting valve, a manual switching valve, an instant heater, a flushing device, a switching device for switching the working state of the flushing device, and a control circuit board;
  • the limiting valve is provided
  • the manual switching valve is equipped with water inlet and outlet
  • the flushing device is equipped with water inlet
  • the water inlet channel of the restrictor valve is connected to the external water inlet pipe, and the water outlet channel of the restrictor valve passes through the pipeline
  • the water outlet of the manual switching valve is connected to the water inlet of the instant heater through a pipeline, that is, the water outlet of the heater is connected to the water inlet of the flushing device through the pipeline
  • the switching device is connected to The flushing device, and the switching device is controlled by a manual switching valve or a control electric board; the control electric board controls the working state of the instant heater.
  • the control system also includes a self-cleaning device installed on the flushing device and a two-position three-way valve.
  • the two-position three-way valve includes a first water outlet and a second water outlet.
  • the self-cleaning device is provided with a water inlet and a two-position three-way valve. The water inlet is connected to the water outlet of the instant heater through the pipeline, the first water outlet is connected to the water inlet of the flushing device through the pipeline, and the second water outlet is connected to the water inlet of the self-cleaning device through the pipeline.
  • a water replenishment tank is arranged between the manual switching valve and the instant heater.
  • the water replenishment tank is provided with a water inlet and a water outlet.
  • the water inlet of the water replenishment tank is connected to the water outlet of the manual switching valve through a pipe, and the water outlet of the water replenishment tank passes through a pipe.
  • the circuit is connected to the water inlet of the instant heater.
  • a front flow meter is arranged between the manual switching valve and the water supplement tank, the water inlet of the front flow meter is connected to the water outlet of the manual switching valve through a pipeline, and the water outlet of the front flow meter is connected to the supplement water tank through a pipeline The water inlet.
  • An anti-siphon device is provided between the instant heater and the flushing device.
  • the anti-siphon device is provided with a water inlet and a water outlet.
  • the water inlet of the anti-siphon device is connected to the water outlet of the instant heater through a pipeline.
  • the water inlet is connected to the water inlet of the flushing device through a pipeline.
  • An anti-siphon device is provided between the two-position three-way valve and the flushing device, the anti-siphon device is provided with a water inlet and a water outlet, and the water inlet of the anti-siphon device is connected to the first water outlet of the two-position three-way valve through a pipeline , The water outlet of the anti-siphon device is connected to the water inlet of the flushing device through a pipeline.
  • the flushing device includes a body, a control assembly, a telescopic tube assembly, a body end cover, and a spray head;
  • the body is provided with a water passage cavity, the water inlet end of the water passage cavity is provided with a body water inlet, and the body end cover is sealed and fitted with the water passage
  • the body end cover is provided with an end cover water outlet;
  • the telescopic tube assembly is fitted in the water passage cavity, and includes a telescopic tube, a sealing ring and a telescopic tube spring that presses the telescopic tube to move; inside the telescopic tube It is provided with a first flow channel and a second flow channel.
  • the telescopic tube penetrates through the control ring and the water outlet of the end cap.
  • the water outlet of the telescopic tube is connected to the sprinkler with the functions of hip washing and bidet washing; the outer wall of the water inlet of the telescopic tube is formed
  • the sealing ring is sleeved on the telescopic tube.
  • the sealing ring abuts on the telescopic tube convex ring and movably blocks the telescopic tube and the end cover of the body.
  • the control assembly includes a pull rod and a control ring.
  • the water outlet end of the water passage is formed with a body relief space for the control ring to move along the radial direction of the body.
  • the pull rod penetrates the side wall of the body relief space and is connected to the control ring Connection;
  • the telescopic tube assembly also includes a valve assembly, the valve assembly includes a first valve and a second valve that are movably fixed to the water inlet end of the telescopic tube, the first valve is movably blocked by water pressure and the second valve is The second flow channel is blocked by water pressure; when the water inlet end of the telescopic tube moves to the position of the control ring, either the first valve or the second valve is inserted in the control ring, and the other is controlled by the top of the ring.
  • the pull rod is provided with a ring-shaped sealing ring installation groove concave in the radial direction of the pull rod, and a sealing ring is sleeved in the sealing ring installation groove.
  • the pull rod is provided with a ring-shaped pull rod convex ring protruding outward in the radial direction of the pull rod.
  • a spring gland and a return spring are sleeved on the pull rod.
  • the spring gland is screwed and fixed on the outer end of the pull rod through tube. The two ends respectively abut against the pull rod convex ring and the spring gland.
  • One end of the pull rod is formed with a ring-shaped pull rod clamping groove concave in the radial direction of the pull rod, and one end of the control ring is formed with a control ring buckle matching the pull rod clamping groove.
  • the sealing ring installation groove is located between the pull rod clamping groove and the pull rod convex ring.
  • a pull rod penetrating tube is arranged on the side wall of the main body's relieving space, and the pull rod penetrates the pull rod penetrating tube and is connected with the control ring.
  • the side of the control ring facing the water inlet end of the telescopic tube forms a guiding inclined surface, and the edges of the first valve and the second valve correspondingly form a first inclined surface and a second inclined surface.
  • the first valve is fitted to the first flow channel to fix a first sealing plate to enhance the sealing performance; the second valve is fitted to the second flow channel to fix a second sealing plate to enhance the sealing performance.
  • the first valve is provided with a plurality of first water inlets, the first water inlet is staggered with the water inlet of the first flow channel in the radial direction of the telescopic tube, and the second valve is provided with a plurality of second water inlets.
  • the two water inlet holes are staggered from the water inlet of the second flow channel in the radial direction of the telescopic tube; the first water inlet hole penetrates the first sealing plate, and the second water inlet hole penetrates the second sealing plate.
  • the telescopic tube spring is sleeved on the telescopic tube, and two ends of the telescopic tube abut against the sealing ring and the body end cover respectively.
  • the side wall of the water outlet of the end cover is formed with a ring of water outlet flange protruding inward in the radial direction of the body, and the end of the telescopic tube spring abuts against the water outlet flange.
  • the spray head is provided with a first pipe for water supply for the hip washing function and a second pipe for water supply for the woman washing function.
  • the first pipe is inserted in the first flow passage, and the second pipe is inserted in the second flow passage.
  • the first valve and the second valve are axially fixed to the water inlet end of the telescopic pipe through the same pin, and the pin is arranged perpendicular to the pull rod.
  • the water inlet end of the telescopic tube is formed with a first protrusion and a second protrusion protruding along the axial direction of the telescopic tube, the water inlet end of the first flow channel is formed on the first protrusion, and the water inlet end of the second flow channel
  • the first valve is movably sleeved on the first protruding portion, and the second movable valve is sleeved on the second protruding portion.
  • the side wall of the first protruding portion is formed with a first limiting protrusion, and a first limiting groove is formed on the side wall of the first valve correspondingly, and the first limiting groove is formed with a first limiting protrusion.
  • the manual switching valve includes an on-off valve and a handle for manually switching the on-off valve.
  • the handle is axially connected to the on-off valve;
  • the rotating shaft of the handle is formed with a cam structure movably abutting against the push rod;
  • the switching device includes interconnecting The upper shell and the lower shell, and the push rod, the connecting rod, the cable assembly and the tension spring arranged in the upper shell and the lower shell;
  • the fixed column is formed in the lower shell, and the connecting rod includes the first connecting rod connected at the end
  • the connecting part of the rod and the second connecting rod can be rotatably sleeved on the fixed post, the push rod passes through the lower shell and movably abuts against the first connecting rod;
  • the cable assembly movably passes through the lower shell, and one end is connected
  • the other end of the second connecting rod is connected to the pull rod;
  • the two ends of the tension spring are respectively connected to the inner wall of the lower shell and the connecting rod.
  • the pull-wire assembly includes a sleeve and a thin rod.
  • the sleeve is fixed on the lower shell.
  • the thin rod passes through the sleeve.
  • One end of the thin rod is connected to the second connecting rod, and the other end of the thin rod is connected to the pull rod.
  • the push rod is formed with a push rod relief space, and a push rod buckle movably fitted to the inner wall of the lower shell is formed in the push rod relief space.
  • the switching device includes a stepping motor fixed on the bottom plate of the toilet cover, the rotating shaft of the stepping motor is connected to the pull rod, and the stepping motor is electrically connected to the control board.
  • the switching device includes an electromagnetic valve assembly fixed on the bottom plate of the toilet cover, the electromagnetic valve assembly is connected to the pull rod, and the electromagnetic valve assembly is electrically connected to the control circuit board.
  • the present invention sets the manual switch valve at the front end of the instant heater, so that the manual switch valve intercepts the water flow entering the present invention when it is not working, that is, no water flows through the instant heater, which will not cause the control system
  • the pipeline is heated or pressurized, thereby protecting the pipeline to extend its service life and reduce potential safety hazards; and the present invention has simple working principle, uses fewer parts, and has low assembly cost.
  • the restrictor valve Under the premise of satisfying function and safety, it has Better economy; by setting the restrictor valve at the forefront of the control system, the restrictor valve is automatically closed when the water pressure of the water supply pipe is too high, thereby avoiding the impact of high pressure on the pipeline and the components in the control system; and manually
  • the switch valve controls the water intake to avoid the drawbacks caused by the failure of the solenoid valve assembly of the product and the failure of flushing under the condition of power failure.
  • the flushing function can be realized even if the power is off, which can simplify the control cost.
  • the flushing device uses the structure of a single water inlet, single tube and double water outlet to realize that hip wash and bidet wash share a telescopic tube and nozzle, which simplifies the structure and reduces production costs; the valve assembly and the telescopic tube are moved by the water pressure and the telescopic tube spring.
  • the position of the control ring relative to the two valves can be switched, and the flushing function can be switched, and this process does not need to retract and expand Therefore, the waiting time for switching the flushing function can be reduced, and the flushing function can be quickly switched, thereby improving the user experience.
  • the flushing device is self-cleaning, and a small amount of high-temperature hot water in the instant heater can be prevented from scalding users; by setting a water supply tank, the instant heater is protected and its service life is extended;
  • the switching device of the driving structure realizes the manual switching of the flow path, so that the flushing function of the flushing device is quickly switched, and the problem of excessive waiting time is avoided.
  • Figure 1 is a perspective view of the first embodiment of the present invention (installed on the bottom plate);
  • Figure 2 is an exploded view of the first embodiment of the present invention
  • FIG. 3 is a perspective view of the first implementation of the flushing device according to the first embodiment of the present invention.
  • FIG. 4 is a partial structural exploded view of the first implementation of the flushing device according to the first embodiment of the present invention.
  • Figure 5 is an exploded view of the telescopic tube assembly of the first embodiment of the flushing device in the first embodiment of the present invention
  • FIG. 6 is a state diagram of the telescopic tube expansion and contraction process of the first embodiment of the flushing device in the first embodiment of the present invention
  • FIG. 7 is a diagram of the water outlet state of the feminine washing function of the first embodiment of the washing device in the first embodiment of the present invention.
  • FIG. 8 is a diagram of the water discharge state of the hip washing function of the first embodiment of the washing device in the first embodiment of the present invention.
  • FIG. 9 is an exploded view 1 of the telescopic tube assembly of the second embodiment of the flushing device in the first embodiment of the present invention.
  • FIG. 10 is the second exploded view of the telescopic tube assembly of the second embodiment of the flushing device in the first embodiment of the present invention
  • FIG. 11 is a diagram of the water outlet state of the feminine washing function of the second embodiment of the washing device in the first embodiment of the present invention.
  • Figure 12 is an enlarged view of a part of the structure of the first embodiment of the present invention.
  • Figure 13 is an exploded view of the switching device in the first embodiment of the present invention.
  • Figure 14 is a working principle diagram of the switching device in the first embodiment of the present invention.
  • Figure 15 is an exploded view of the second embodiment of the present invention.
  • Fig. 16 is an exploded view of the third embodiment of the present invention.
  • a sanitary flushing control system for toilet lids includes a restrictor valve 1, a manual switching valve 2, an instant heater 3, a flushing device 4, and switching the working state of the flushing device 4
  • the above-mentioned restrictor valve 1 is provided with a water inlet channel 11 and a water outlet channel 12, the manual switching valve 2 is equipped with a water inlet and a water outlet, and the flushing device 4 is provided with a water inlet;
  • the water inlet channel 11 of the restrictor valve 1 is connected to an external water inlet pipe ,
  • the water outlet channel 12 of the restrictor valve 1 is connected to the water inlet of the manual switching valve 2 through a pipeline, and the water outlet of the manual switching valve 2 is connected to the water inlet of the instant heater 3 through the pipeline, that is, the water outlet of the heater 3 passes through
  • the pipeline is connected to the water inlet of the flushing device 4; the switching device 5 is connected to the flushing device 4 to switch the working state of the flushing device
  • the present invention sets the manual switching valve 2 at the front end of the instant heater 3, so that the manual switching valve 2 cuts off the water flow into the present invention when it is not working, that is, no water flows through the instant heater 3, which will not cause control
  • the pipelines in the system are heated or pressurized, thereby protecting the pipelines to extend their service life and reduce potential safety hazards; and the invention has simple working principles, fewer parts and components, low assembly costs, and meets the requirements of function and safety.
  • the manual switch valve 2 is used to control the water intake to avoid the drawbacks caused by the failure of the solenoid valve assembly of the product under the condition of power failure and the failure of flushing.
  • the flushing function can be realized even if the power is off, which can simplify the control cost.
  • the flushing device 4 includes a body 41, a control assembly, a telescopic tube assembly, a body end cover 42 and a spray head 43.
  • the body 41 is provided with a water passage cavity 411, the water inlet end of the water passage cavity 411 is provided with a body water inlet 412, the body end cover 42 is sealed and fitted to the water outlet end of the water passage cavity 411, and the body end cover 42 is provided with an end cover outlet ⁇ 421.
  • the control assembly includes a pull rod 44 and a control ring 45.
  • the water outlet end of the water passage cavity 411 is formed with a body relief space 413 for the control ring 45 to move along the radial direction of the body 41.
  • the body relief space 413 is provided with a side wall
  • the tie rod piercing tube 414, the tie rod 44 penetrates the tie rod piercing tube 414 and is connected to the control ring 45, and the control ring 45 is moved in the body 41 in the body relief space 413 in the radial direction of the body 41 by pushing and pulling the tie rod 44.
  • one end of the pull rod 44 is formed with a ring-shaped pull rod groove 441 that is concave in the radial direction of the pull rod 44, and one end of the control ring 45 is formed with a control ring buckle 451 that matches the pull rod groove 441.
  • the pull rod 44 is provided with a pull rod slot 441 from the outside of the body 41, penetrate the pull rod through pipe 414 into the body relief space 413, and place the control ring 45 in the body relief space 413 and the control ring buckle 451 is buckled.
  • the tie rod 44 is connected with the control ring 45.
  • the tie rod 44 drives the control ring 45 in the axial direction of the tie rod 44 through the limit of the control ring buckle 451 and the tie rod groove 441 in the axial direction of the tie rod 44 By moving, the control ring 45 can be moved in the radial direction of the body 41 by pushing and pulling the pull rod 44.
  • the tie rod 44 is provided with a ring-shaped tie rod convex ring 442 protruding outward in the radial direction of the tie rod 44, and the tie rod 44 is sleeved with a spring cover 443 and a return spring 444.
  • the cover 443 is screwed and fixed to the outer end of the pull rod through tube 414, and both ends of the return spring 444 abut against the pull rod convex ring 442 and the spring pressing cover 443, respectively.
  • the tie rod 44 is provided with a ring-shaped sealing ring installation groove 445 concave in the radial direction of the tie rod 44, and a sealing ring 446 is sleeved in the sealing ring mounting groove 445 ,
  • the sealing ring installation groove 445 is located between the tie rod groove 441 and the tie rod convex ring 442, which is a preferred embodiment.
  • the part of the pull rod 44 that exposes the spring pressing cover 443 is connected to the switching device 5, and the movement of the pull rod 44 is realized by the mechanical movement of the switching device 5, that is, the working state of the control assembly is switched.
  • the aforementioned telescopic tube assembly is fitted in the water passage 411; the telescopic tube assembly includes a valve assembly 46, a telescopic tube 47, a sealing ring 48 and a telescopic tube spring 49.
  • the water inlet end of the telescopic pipe 47 is fitted in the water passage 411, and the telescopic pipe 47 is provided with a first flow passage 471 and a second flow passage 472 connecting the water inlet and outlet ends of the telescopic pipe 47, and the valve assembly 46 is movably fixed
  • the first flow channel 471 or/and the second flow channel 472 is movably blocked at the water inlet end of the telescopic tube 47.
  • the telescopic tube 47 passes through the control ring 45 and the end cap outlet 421, and its outlet is located outside the end cap outlet 421 and connected to the nozzle 43 with the functions of hip washing and bidet washing; the above nozzle 43 is configured as a hip
  • the first pipe 431 is inserted in the first flow passage 471, and the second pipe 432 is inserted in the second flow passage 472, thereby realizing the fixation of the nozzle 43 At the water outlet end of the telescopic tube 47.
  • the side wall of the water outlet 421 of the end cover is formed with a ring-shaped water outlet flange 422 protruding inward in the radial direction of the main body 41.
  • the annular telescopic tube convex ring 473, the sealing ring 48 and the telescopic tube spring 49 are sleeved on the telescopic tube 47 and are located between the water outlet flange 422 and the telescopic tube convex ring 473, the sealing ring 48 abuts against the telescopic tube convex On the ring 473, the two ends of the telescopic tube spring 49 respectively abut against the sealing ring 48 and the water outlet flange 422.
  • the sealing ring 48 movably blocks the telescopic tube 47 and the body through the telescopic movement of the telescopic tube 47 in the water passage cavity 411 The gap between the end caps 42.
  • the valve assembly 46 includes a first valve 461 for movably blocking the first flow path 471 and a second valve 462 for movably blocking the second flow path 472.
  • the first valve 461 is provided with a number of first water inlet holes 4611, The water hole 4611 is staggered from the water inlet of the first flow channel 471 in the radial direction of the telescopic tube 47.
  • the second valve 462 is provided with a number of second water inlet holes 4621.
  • the water inlets of the second flow channel 472 are staggered to improve the effect of water inlet to the telescopic tube 47.
  • the first valve 461 and the second valve 462 are axially fixed to the water inlet end of the telescopic tube 47 through the same pin 463, and the pin 463 is arranged perpendicular to the pull rod 44.
  • the first valve 461 blocks the first flow passage 471 and the second valve 462 blocks the second flow passage 472;
  • One of the first valve 461 and the second valve 462 is penetrated in the control ring 45, and continues to block the corresponding flow channel under the action of water pressure, and the other is abutted by the control ring 45 and lifted off with the pin 463 as the axis
  • the protruding ring 473 of the telescopic tube allows the corresponding blocked flow channel to circulate, and the water flow enters the corresponding flow channel through the water inlet hole.
  • the side of the control ring 45 facing the water inlet end of the telescopic tube 47 forms a guiding slope 452, and the edges of the first valve 461 and the second valve 462 form a first slope 4612 and a second slope 4622;
  • the control ring 45 moves along the radial direction of the main body 41 under the action of the pull rod 44.
  • the first inclined surface 4612 and the second inclined surface 4622 respectively move on both ends of the guide inclined surface 452 to make the controlled ring 45 abut
  • the valve moves along the guide slope 452 and fits in the control ring and blocks the corresponding flow path under water pressure, while the other valve is pressed by the control ring 45 and lifted off the telescopic tube convex ring 473 with the pin 463 as the axis to open the corresponding Runner, realize the switch between the two functions.
  • the first valve 461 is fitted to one side of the first flow passage 471 to fix a first sealing plate 4613 to enhance the sealing performance, the first water inlet 4611 penetrates the first sealing plate 4613; the second valve 462 is fitted to the second flow A second sealing plate 4623 is fixed on one side of the channel 472 to enhance the sealing performance, and the second water inlet hole 4621 penetrates the second sealing plate 4623.
  • the installation process of the first embodiment of the flushing device is as follows: the first valve 461 and the second valve 462 are axially fixed to the water inlet end of the telescopic tube 47 through a pin 463, and the sealing ring 48 and the telescopic tube spring 49 are sleeved on On the telescopic tube 47, the sealing ring 48 abuts against the telescopic tube convex ring 473, the telescopic tube spring 49 abuts against the sealing ring 48, and then the telescopic tube 47 is placed in the water passage 411.
  • the sealing ring 446 is sleeved on the sealing ring installation groove 445
  • the pull rod 44 is passed through the pull rod through pipe 414
  • the control ring 45 is sleeved on the telescopic pipe 47 and placed in the body space 413
  • the control ring buckle 451 is buckled Connected to the pull rod groove 441 to connect the pull rod 44 with the control ring 45; then the return spring 444 is pressed against the pull rod convex ring 442 and sleeved on the pull rod 44, and the spring cover 443 presses the return spring 444 and is screwed to the pull rod.
  • the body end cover 42 presses the telescopic tube spring 49 and is fixed to the water outlet end of the body 41. Then, the first pipe 431 is inserted into the first flow passage 471, and the second pipe 432 is inserted into the second flow passage 472, so that the nozzle 43 is fixed to the water outlet end of the telescopic pipe 47. Finally, the flushing device 4 is installed in the control system.
  • the gap between the valve assembly 46 and the water passage 411 is the first gap
  • the gap between the telescopic tube 47 and the water passage 411 is the second gap
  • the gap between the telescopic tube 47 and the body end cover 42 The gap is the third gap.
  • the flushing device 4 is in the initial state when no water enters, and the telescopic tube spring 49 presses the telescopic tube convex ring 473 to shrink the telescopic tube 47 in the water passage 411.
  • the first valve 461 fits in the control ring 45
  • the second valve 462 is abutted by the control ring 45 and is lifted with the pin 463 as the axis
  • the second sealing plate 4623 separates from the telescopic tube convex ring 473
  • the water flow enters the second flow channel 472 through the second water inlet 4621, flows into the second pipe 432, and is sprayed out to realize the bidet washing function.
  • the second slope 4622 is on the guide slope 452 Move and fit in the control ring 45, the second valve 462 is fitted on the telescopic tube convex ring 473 under water pressure, the second sealing plate 4623 blocks the second flow passage 472, and no longer supplies water for the bidet function, thereby realizing flushing Function switching, and this switching process does not need to retract the telescopic tube 47, thereby reducing the waiting time for switching the flushing function and improving the user experience.
  • FIGS. 9 and 10 it is the second embodiment of the flushing device 4 in the first embodiment.
  • the difference from the first embodiment is the way in which the valve assembly 46 and the telescopic tube 47 cooperate.
  • the water inlet end of the telescopic tube 47 is formed with a first protrusion 474 and a second protrusion 475 protruding in the axial direction of the telescopic tube 47, the water inlet end of the first flow channel 471 is formed on the first protrusion 474, and the second flow The water inlet end of the channel 472 is formed in the second protrusion 475.
  • the first valve 461 is movably sleeved on the first protrusion 474
  • the second valve 462 is movably sleeved on the second protrusion 475.
  • a first limiting protrusion 4741 is formed on the side wall of the first protrusion 474
  • a first limiting recess is formed on the side wall of the first valve 461.
  • the groove 4614 and the first limiting groove 4614 are formed with a first movable space for the first limiting protrusion 4741 to move along the axial direction of the telescopic tube 47, and the first valve 461 is sleeved behind the first protrusion 474 to allow The axial movement of the telescopic tube 47; the side wall of the second protrusion 475 is formed with a second limiting protrusion 4751, and the side wall of the second valve 462 is correspondingly formed with a second limiting groove 4624, the second limiting groove
  • the 4624 forms a second movable space for the second limiting protrusion 4751 to move along the axial direction of the telescopic tube 47, and the second valve 462 is sleeved on the second protrusion 475 and can move along the axial direction of the telescopic tube 47.
  • the working principle of the second embodiment of the flushing device 4 is similar to that of the first embodiment. It is in the initial state when no water enters.
  • the telescopic tube spring 49 presses the telescopic tube convex ring 473 so that the telescopic tube 47 is contracted in the excess water. Cavity.
  • the water pressure in the water passage cavity 411 pushes the valve assembly 46 and the telescopic tube 47 to compress the telescopic tube spring 49 to move, so that the telescopic tube 47 continuously extends out of the body end cover 42.
  • the water passage chamber 411 The water flows through the first gap, the second gap, and flows out of the surface of the telescopic tube 47 and the nozzle 43 from the third gap.
  • the water flow enters the second flow channel 472 through the second water inlet 4621, and flows into the second pipe 432, and is sprayed out to achieve Women washing function.
  • the pull rod 44 is pushed and pulled to move the control ring 45 along the radial direction of the body 41
  • the first inclined surface 4612 moves on the guide inclined surface 452
  • the first valve 461 is pressed by the control ring 45
  • the first limit protrusion 4741 is positioned
  • the first limiting groove 4614 moves along the axial direction of the telescopic tube 47, so that the first sealing plate 4613 is away from the telescopic tube convex ring 473 along the axial direction of the telescopic tube 47, and the water flows into the first flow channel 471 through the first water inlet 4611 , And flow into the first pipe 431, and spray out to realize the hip washing function.
  • the second inclined surface 4622 moves on the guiding inclined surface 452 and fits into the control ring 45.
  • the second valve 462 is fitted to the telescopic tube convex ring under water pressure.
  • the second sealing plate 4623 blocks the second flow channel 472, and no longer supplies water for the feminine washing function, thereby realizing the switching of the washing function.
  • the above-mentioned washing device 4 realizes one of the functions of hip washing or feminine washing by default in the case of water intake, and realizes the switching of washing function under the cooperation of the pull rod 44 and the control ring 45.
  • the flushing device 4 realizes that hip wash and bidet wash share the same telescopic tube 47 and nozzle 43 through the structure of single water inlet, single tube and double water outlet, so as to simplify the structure and reduce production costs; the valve is pushed by the water pressure and the telescopic tube spring 49 The assembly 46 and the telescopic tube 47 are moved to realize the telescopic tube 47 relative to the body 41, which simplifies the drive structure of the flushing device 4, that is, the structure in the toilet cover is simplified and the cost is reduced; and when the water inlet end of the telescopic tube 47 moves to At the position of the control ring 45, through the cooperation of the control ring 45 with the first valve 461 and the second valve 462, one of the valves must be abutted by the control ring 45 and separated from the expansion pipe convex ring 473, so that the water inlet hole circulates.
  • the present invention also includes a self-cleaning device 71 installed on the flushing device and a two-position three-way valve 72 for communicating with the waterway.
  • the two-position three-way valve 72 includes a first A water outlet 721 and a second water outlet 722, the self-cleaning device 71 is provided with a water inlet, the water inlet of the two-position three-way valve 72 is connected to the water outlet of the instant heater 3 through a pipeline, and the first water outlet 721 is through a pipeline Connected to the water inlet of the washing device 4, and the second water outlet 722 is connected to the water inlet of the self-cleaning device 71 through a pipeline.
  • the self-cleaning device 71 performs self-cleaning treatment on the surface of the washing device 4, that is, the telescopic tube 47 and the spray head 43 are cleaned again, and the small amount of hot water in the instant heater 3 can avoid scalding the user.
  • a water supply tank 73 is provided between the manual switching valve 2 and the instant heater 3.
  • the water supply tank 73 is provided with a water inlet and a water outlet, and the water inlet of the water supply tank 73 is connected to the manual through a pipeline.
  • the water outlet of the switching valve 2 and the water outlet of the make-up tank 73 are connected to the water inlet of the instant heater 3 through a pipeline.
  • a front flow meter 74 is provided between the manual switching valve 2 and the water make-up tank 73.
  • the water inlet of the front flow meter 74 is connected to the water outlet of the manual switching valve 2 through a pipeline.
  • the water outlet of the flow meter 74 is connected to the water inlet of the water supplement tank 73 through a pipeline to increase the stability of the system of the present invention.
  • an anti-siphon device 75 is provided between the instant heater 3 and the flushing device 4, the anti-siphon device 75 is provided with a water inlet and a water outlet, and the water inlet of the anti-siphon device 75 is connected by a pipeline At the water outlet of the instant heater 3, the water outlet of the anti-siphon device 75 is connected to the water inlet of the washing device 4 through a pipeline; the anti-siphon device 75 can prevent the water in the washing device 4 from flowing back.
  • the water inlet of the anti-siphon device 75 is connected to the first water outlet 721 of the two-position three-way valve 72 through a pipeline, and the water outlet of the anti-siphon device 75 is connected to the body of the flushing device 4 through a pipeline. ⁇ 412 ⁇ Water 412.
  • the above-mentioned switching device 5 is a wire drive mechanism.
  • the above-mentioned manual switching valve 2 includes an on-off valve 21 and a handle 22 for manually switching the on-off valve.
  • the handle 22 is axially connected to the on-off valve 21, and the on-off state of the on-off valve 21 can be switched by rotating the handle 22.
  • the switching device 5 includes an upper shell 51 and a lower shell 52 connected to each other, and a push rod 53, a connecting rod 54, a cable assembly 55, and a tension spring 56 arranged inside the upper shell 51 and the lower shell 52.
  • the middle part of the lower shell 52 is formed with a fixed column 521
  • the connecting rod 54 includes a first connecting rod 541 and a second connecting rod 542 connected at the ends, the connection between the two can be rotatably sleeved on the fixed column 521, the push rod 53 penetrates
  • the cable assembly 55 includes a sleeve 551 and a thin rod 552.
  • the sleeve 551 is fixed on the lower housing 52.
  • the thin rod 552 is inserted into the sleeve 551.
  • the thin rod One end of the 552 is connected to the second connecting rod 542, and the other end of the thin rod 552 is connected to the pull rod 44 of the flushing device 4; the rotating shaft of the handle 22 is formed with a cam structure 23 movably abutting against the push rod 53; a tension spring 56 The two ends of the connector are respectively connected to the inner wall of the lower shell 52 and the connecting rod 54 to reset the connecting rod 54.
  • the push rod 53 has a push rod relief space 531, and the push rod relief space 531 forms a push rod buckle 532 movably fitted to the inner wall of the lower shell 52.
  • the push rod buckle 532 swings in the push rod relief space 531 so that the push rod 53 is inserted into the lower shell 52; the push rod buckle 532 is movably buckled on the inner wall of the lower shell 52 during operation to prevent the push rod 53 from being pushed out by the connecting rod 54 Caused to detach from the lower shell 52.
  • the working principle of the switching device 5 in the first embodiment is: when the handle 22 is manually rotated, the cam structure 23 is pressed against the push rod 53, and the push rod 53 is pushed inward, the push rod 53 pushes the first connecting rod 541 to rotate relative to the fixed post 521, so that the second connecting rod 542 drives the thin rod 552 to move through the sleeve 551, thereby pulling the lever 44 of the washing device 4 to move, realizing manual and rapid switching of the washing device 4
  • the tension spring 56 drives the connecting rod 54 to reset, and the connecting rod 54 drives the thin rod 552 to reset.
  • the pull-wire drive mechanism is used as the switching device 5 to control the control assembly of the flushing device 4, so that the flushing function of the flushing device 4 can be manually switched even if the power is cut off during use.
  • the switching device 5 is a stepping motor driving mechanism.
  • the switching device 5 includes a stepping motor 57 fixed on the bottom plate 7 of the toilet cover.
  • the rotating shaft of the stepping motor 57 is connected to the pull rod 44 of the washing device 4, so that the rotating shaft of the stepping motor 57 drives the pull rod. 44 moves; the stepping motor 57 is electrically connected to the control board 6 to realize the electric control switch flushing function of the flushing device 4.
  • the switching device 5 is a solenoid valve driving mechanism.
  • the switching device 5 includes a solenoid valve assembly 58 fixed on the bottom plate 7 of the toilet cover.
  • the solenoid valve assembly 58 is connected to the pull rod 44 of the flushing device 4, so that the operation of the solenoid valve assembly 58 drives the pull rod 44 to move;
  • the solenoid valve assembly 58 is electrically connected to the control electric board 6 to realize the electric control switching flushing function of the flushing device 4.
  • the above-mentioned second and third embodiments implement various driving structures of the control assembly of the flushing device 4, which can be selected according to actual needs, and one of the three embodiments can be adopted, or can be used in combination to adapt to different use environments.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)

Abstract

La présente invention concerne un système de commande de chasse d'eau pour couvercle de toilette. Le système comprend une vanne de limitation de débit 1, une vanne de commutation manuelle 2, un dispositif de chauffage instantané 3, un dispositif de rinçage 4, un dispositif de commutation 5 pour commuter l'état de fonctionnement du dispositif de rinçage 4 et une carte de commande à circuit imprimé 6. La vanne de limitation de débit 1 est pourvue d'un canal d'entrée d'eau 11 et d'un canal de sortie d'eau 12, la vanne de commutation manuelle 2 est pourvue d'une entrée d'eau et d'une sortie d'eau, et le dispositif de rinçage 4 est pourvu d'une entrée d'eau, le canal d'entrée d'eau 11 de la vanne de limitation de débit 1 étant en communication avec un tuyau d'entrée d'eau externe, le canal de sortie d'eau de la vanne de limitation de débit 1 étant relié à l'entrée d'eau de la vanne de commutation manuelle 2 au moyen d'une conduite, et la sortie d'eau de la vanne de commutation manuelle 2 étant reliée à une entrée d'eau du dispositif de chauffage instantané 3 au moyen de la conduite, c'est-à-dire qu'une sortie d'eau du dispositif de chauffage instantané 3 est reliée à l'entrée d'eau du dispositif de rinçage 4 au moyen de la conduite ; le dispositif de commutation 5 est relié au dispositif de rinçage 4 pour commuter l'état de fonctionnement du dispositif de rinçage 4, le dispositif de commutation 5 est commandé par la vanne de commutation manuelle 2 ou la carte de circuit de commande à circuit imprimé 6, et par conséquent, la vanne de commutation manuelle 2 ou la carte de commande à circuit imprimé 6 commande l'état de fonctionnement du dispositif de commutation 5 ; et la carte de commande à circuit imprimé 6 commande l'état de fonctionnement du dispositif de chauffage instantané 3.
PCT/CN2019/073321 2019-01-28 2019-01-28 Système de commande de chasse d'eau pour couvercle de toilette Ceased WO2020154829A1 (fr)

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PCT/CN2019/073321 WO2020154829A1 (fr) 2019-01-28 2019-01-28 Système de commande de chasse d'eau pour couvercle de toilette

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PCT/CN2019/073321 WO2020154829A1 (fr) 2019-01-28 2019-01-28 Système de commande de chasse d'eau pour couvercle de toilette

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WO2020154829A1 true WO2020154829A1 (fr) 2020-08-06

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202005704U (zh) * 2011-02-16 2011-10-12 郑宏伟 双温冲洗坐便盖
CN102251568A (zh) * 2011-05-31 2011-11-23 宁波吉田智能洁具科技有限公司 一种马桶或马桶盖用水路控制系统
WO2012108730A2 (fr) * 2011-02-11 2012-08-16 베스트오토앤시트 주식회사 Siège de sanitaires capable d'effectuer une chasse automatique en utilisant uniquement l'énergie associée au poids du corps
CN103924649A (zh) * 2013-01-14 2014-07-16 刘命辉 抗污洁身器及其快速热水器接地保护插头三通减压阀
CN105386496A (zh) * 2015-10-08 2016-03-09 厦门瑞尔特卫浴科技股份有限公司 一种智能马桶盖板的冲洗控制方法及系统
JP2017128858A (ja) * 2016-01-18 2017-07-27 Toto株式会社 水洗式大便器
CN107288194A (zh) * 2017-08-16 2017-10-24 厦门和贞卫浴有限公司 一种新式即热智能马桶盖

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012108730A2 (fr) * 2011-02-11 2012-08-16 베스트오토앤시트 주식회사 Siège de sanitaires capable d'effectuer une chasse automatique en utilisant uniquement l'énergie associée au poids du corps
CN202005704U (zh) * 2011-02-16 2011-10-12 郑宏伟 双温冲洗坐便盖
CN102251568A (zh) * 2011-05-31 2011-11-23 宁波吉田智能洁具科技有限公司 一种马桶或马桶盖用水路控制系统
CN103924649A (zh) * 2013-01-14 2014-07-16 刘命辉 抗污洁身器及其快速热水器接地保护插头三通减压阀
CN105386496A (zh) * 2015-10-08 2016-03-09 厦门瑞尔特卫浴科技股份有限公司 一种智能马桶盖板的冲洗控制方法及系统
JP2017128858A (ja) * 2016-01-18 2017-07-27 Toto株式会社 水洗式大便器
CN107288194A (zh) * 2017-08-16 2017-10-24 厦门和贞卫浴有限公司 一种新式即热智能马桶盖

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