CN115450290B - Mixed distributing valve, toilet flushing system and toilet - Google Patents
Mixed distributing valve, toilet flushing system and toilet Download PDFInfo
- Publication number
- CN115450290B CN115450290B CN202210992687.6A CN202210992687A CN115450290B CN 115450290 B CN115450290 B CN 115450290B CN 202210992687 A CN202210992687 A CN 202210992687A CN 115450290 B CN115450290 B CN 115450290B
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- water inlet
- valve
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- 238000011010 flushing procedure Methods 0.000 title claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 406
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000004891 communication Methods 0.000 claims description 47
- 238000005406 washing Methods 0.000 claims description 29
- 230000007704 transition Effects 0.000 claims description 22
- 238000005507 spraying Methods 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 239000008399 tap water Substances 0.000 abstract description 28
- 235000020679 tap water Nutrition 0.000 abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000012528 membrane Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007142 ring opening reaction Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005315 distribution function Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/01—Shape or selection of material for flushing cisterns
- E03D1/012—Details of shape of cisterns, e.g. for connecting to wall, for supporting or connecting flushing-device actuators
- E03D1/0125—Details of shape of cisterns, e.g. for connecting to wall, for supporting or connecting flushing-device actuators of built-in cisterns
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/24—Low-level flushing systems
- E03D1/28—Bowl integral with the flushing cistern
- E03D1/286—Bowl integral with the flushing cistern provided with flushing valves
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
- E03D1/36—Associated working of inlet and outlet valves
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/38—Adaptations or arrangements of flushing pipes
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
- E03D11/06—Bowls with downwardly-extending flanges for the sake of flushing
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D3/00—Flushing devices operated by pressure of the water supply system flushing valves not connected to the water-supply main, also if air is blown in the water seal for a quick flushing
- E03D3/10—Flushing devices with pressure-operated reservoir, e.g. air chamber
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/08—Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices ; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/16—Water pressure regulating means in flushing pipes
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
- E03D2201/40—Devices for distribution of flush water inside the bowl
Abstract
The invention discloses a mixing and distributing valve, a toilet flushing system and a toilet, wherein the mixing and distributing valve comprises a waterway distribution module and a water pressure water inlet module, the waterway distribution module is provided with a first water inlet channel, a distribution cavity and a plurality of first water outlet channels, the water pressure water inlet module is provided with a second water inlet channel and a first waterway, and the first water inlet channel and the first waterway are respectively communicated with the distribution cavity; the waterway distribution module is provided with a first switching mechanism which controls whether each first water outlet channel is communicated with the third cavity or not; the hydraulic water inlet module is provided with a second switching mechanism which controls whether the second water inlet channel is communicated with the first waterway or not. When the mixed distributing valve is applied to a toilet flushing system, the mixed distributing valve can be simultaneously connected with a water pump and a tap water pipeline so as to adapt to different application scenes of a toilet, and the aims of saving energy and meeting flushing requirements are fulfilled.
Description
Technical Field
The invention relates to the field of bathroom, in particular to a mixing and distributing valve, a toilet flushing system and a toilet.
Background
At present, the water tank of the intelligent closestool generally adopts a low water tank, so that the water potential energy in the water tank is low, and the scouring effect can be influenced by scouring of the water potential energy in the pure water tank. Therefore, a water pump pressurizing flushing mode is adopted at present, the water pump pressurizes water from the water tank and outputs the pressurized water to the distribution valve, and flushing water is distributed to a toilet water path and an injection water path of the toilet in sequence through the distribution valve. However, the flushing mode using the water pump pressurization also has the following disadvantages: the water pump has larger power consumption, and the water pump can not be used when power is cut off, so that the closestool can not be normally used. In order to solve the technical problem, a water inlet valve group is additionally arranged on the basis of a water pump and a distribution valve, the water inlet valve group comprises a closed water tank, a first electromagnetic valve and a second electromagnetic valve, the closed water tank supplies flushing water to a washing ring waterway of a toilet through the first electromagnetic valve, and the closed water tank supplies flushing water to an injection waterway of the toilet through the second electromagnetic valve. Although the mode of adding the water inlet valve group solves the problem that the water pump cannot work when power is off to cause the toilet to be incapable of being used normally, the water inlet valve group is additionally introduced, so that the defects of complex overall structure, greatly increased cost and the like exist.
The distribution valve in the prior art is basically of a single water inlet type, the water inlet end of the distribution valve is connected with the water inlet end of the water pump, and then the distribution valve cannot be connected with a tap water pipeline any more, but the toilet is flushed by simply pressurizing the water pump, so that the problem that the water pump cannot be used when the power is off exists, and the water pump is high in power consumption and unfavorable for energy conservation. If the water inlet end of the distributing valve is connected with a tap water pipeline, the toilet bowl can be flushed by the tap water, but the flushing can be influenced due to unstable water pressure during the water use peak period, or the flushing effect can be influenced due to insufficient flushing force when the water pressure of the tap water is low. Therefore, a need exists for a distributing valve with multiple water inlet functions, which is convenient for realizing a toilet flushing mode of switching between tap water supply and water pump pressurization, so as to adapt to different application scenarios of the toilet.
Disclosure of Invention
The invention provides a mixing distribution valve, a toilet flushing system and a toilet, which aim at the technical problems in the prior art and are used for solving the defects of the distribution valve in the prior art.
The technical scheme adopted for solving the technical problems is as follows: the water pressure water inlet module is provided with a second water inlet channel and a first water channel, and the first water inlet channel and the first water channel are respectively communicated with the distribution cavity; the waterway distribution module is provided with a first switching mechanism which controls whether each first water outlet channel is communicated with the distribution cavity or not; the water pressure water inlet module is provided with a second switching mechanism which controls whether the second water inlet channel is communicated with the first waterway or not.
Further, the first switching mechanism comprises a first switching component for controlling the distribution cavity to be in switching communication with each first water outlet channel, and a first driving component for driving the first switching component to act; the second switching mechanism comprises a second switching component for controlling whether the second water inlet channel is communicated with the first waterway or not, and a second driving component for driving the second switching component to act.
Further, the waterway distribution module is further provided with a first transition cavity, the first switching component is arranged in the first transition cavity and divides the first transition cavity into a first valve cavity and a first back pressure cavity, the first valve cavity is communicated with the distribution cavity, the first valve cavity is communicated with the first back pressure cavity through a tiny hole formed in the first switching component, the first back pressure cavity is provided with a first pressure relief opening, the first driving component controls whether the first pressure relief opening is opened or not, and the first switching component controls the first valve cavity to be communicated with the plurality of first water outlet channels in a switching mode according to the water pressure change of the first back pressure cavity; the hydraulic pressure water inlet module is further provided with a second transition cavity, the second switching component is arranged in the second transition cavity and divides the second transition cavity into a second valve cavity and a second back pressure cavity, the second valve cavity is communicated with the second water inlet channel, the second valve cavity is communicated with the second back pressure cavity through a tiny hole arranged on the second switching component, the second back pressure cavity is provided with a second pressure relief opening, the second driving component controls whether the second pressure relief opening is opened or not, and the second switching component controls whether the second valve cavity is communicated with the first waterway or not according to the change of the hydraulic pressure of the second back pressure cavity.
Further, the first switching component comprises a water stopping diaphragm, a sliding rod and a sealing gasket, wherein the water stopping diaphragm is sleeved at one end of the sliding rod, and the sealing gasket is sleeved at the other end of the sliding rod; a first communication port is arranged between the first valve cavity and part of the first water outlet channels, a second communication port is arranged between the first valve cavity and the rest of the first water outlet channels, the sliding rod penetrates through the first communication port and the second communication port, the water stopping diaphragm controls whether the first communication port is opened or not, and the sealing gasket controls whether the second communication port is opened or not; a third communication port is arranged between the second valve cavity and the first waterway, and the second switching component is a diaphragm component which controls whether the third communication port is opened or not.
Further, the first driving part and the second driving part are respectively a mechanical driving mechanism or an electric control driving mechanism, and the electric control driving mechanism comprises any one of a motor driving mechanism and an electromagnetic valve head; the electronically controlled drive mechanism may be powered by a super capacitor and/or a backup battery.
Furthermore, the waterway distribution module is also provided with an air port communicated with the distribution cavity, and the air port is controlled to be opened and closed by an anti-siphon floater arranged in the distribution cavity; the outlet of the first waterway is opposite to the anti-siphon float.
Further, the hydraulic water inlet module is further provided with a second water outlet channel and a second water channel, and the second water outlet channel is communicated with the second water inlet channel through the second water channel.
Further, a one-way valve is provided to the first water inlet passage, the one-way valve allowing water to flow only from the first water inlet passage into the dispensing chamber.
The invention further provides a toilet flushing system, which comprises a water tank and a water pump, wherein the water inlet end of the water pump is communicated with the water tank; the mixing and distributing valve further comprises a mixing and distributing valve, wherein the water outlet end of the water pump is communicated with the first water inlet channel, the second water inlet channel is used for being connected with a normal pressure water source, one part of the first water outlet channels is used for being communicated with the washing ring part of the closestool body, and the other first water outlet channels are used for being communicated with the spraying part of the closestool.
Further, the water pressure water inlet module is further provided with a second water outlet channel and a second water channel, the second water outlet channel is communicated with the second water inlet channel through the second water channel, and the second water outlet channel is communicated with the water inlet end of a water inlet valve arranged in the water tank.
The invention further provides a toilet, which comprises a toilet body and the toilet flushing system, wherein one part of the first water outlet channels are communicated with the washing ring part of the toilet body, and the other first water outlet channels are communicated with the spraying part of the toilet body; the washing part comprises one or a combination of a plurality of washing waterways, washing ports and washing spray heads, and the spraying part comprises one or a combination of a plurality of spraying waterways, spraying ports and spraying spray heads.
Compared with the prior art, the invention has the following beneficial effects:
1. the mixed distribution valve comprises the waterway distribution module and the water pressure water inlet module, so that the mixed distribution valve has two water inlet functions on the basis of the distribution function, and can be simultaneously connected with the water pump and the tap water pipeline when being applied to a toilet flushing system, thereby conveniently realizing a toilet flushing mode of switching tap water supply and water pump pressurization, adapting to different application scenes of a toilet, and achieving the purposes of saving energy and meeting flushing requirements. In addition, the design of the mixing and distributing valve ensures that the toilet flushing system does not need to introduce an additional water inlet valve group, thereby ensuring that the whole structure of the toilet flushing system is simpler and the cost is lower.
2. According to the mixing distribution valve, the pilot valve design is introduced into the position where the first switching component/the second switching component are located, the function switching is performed by utilizing the pressure difference of the water pressure surface, and the structural reliability is higher.
3. The arrangement of the air port and the anti-siphon float can prevent water in the toilet water tank from being sucked into a tap water pipeline reversely when the tap water pipeline connected with the second water inlet channel is negative in pressure when the mixing and distributing valve is applied to a toilet flushing system.
4. The water pressure water inlet module is also provided with the second water outlet channel, so that the mixing and distributing valve can also directly supply water for parts such as a water inlet valve of a toilet water tank, and the like, thereby reducing a tap water pipeline and an angle valve which are configured for supplying water for the parts such as the water inlet valve, and the like.
5. The first water inlet channel is internally provided with a one-way valve which only allows water to flow into the distribution cavity from the first water inlet channel, so that when the first waterway is fed with water, the water cannot flow into the first water inlet channel from the distribution cavity.
The invention is described in further detail below with reference to the drawings and examples; the present invention is not limited to the embodiments of a mixing and dispensing valve and toilet flushing system and toilet.
Drawings
FIG. 1 is an exploded schematic view of a mixing and dispensing valve of the present invention;
FIG. 2 is a schematic perspective view of a mixing and dispensing valve of the present invention;
FIG. 3 is a cross-sectional view of a mixing and dispensing valve of the present invention;
FIG. 4 is a second cross-sectional view of the mixing and dispensing valve of the present invention;
FIG. 5 is a cross-sectional view of the mixing and dispensing valve of the present invention in a first inlet passage inlet state;
FIG. 6 is a cross-sectional view of the mixing and dispensing valve of the present invention in a first outlet passage outlet state;
FIG. 7 is a cross-sectional view of the mixing and dispensing valve of the present invention in another first outlet passage outlet state;
FIG. 8 is a partial cross-sectional view of the mixing and dispensing valve of the present invention in the second inlet passage inlet state;
FIG. 9 is a cross-sectional view of the mixing and dispensing valve of the present invention as water flows from the second water inlet passage to the dispensing chamber;
FIG. 10 is a schematic view of the toilet flushing system/toilet of the present invention;
wherein, 1, the valve body assembly, 11, a first water inlet channel, 12/13, a first water outlet channel, 14, a second water inlet channel, 15, a distribution cavity, 16, a first waterway, 17, a first transition cavity, 171, a first valve cavity, 172, a first back pressure cavity, 173, a first pressure relief port, 18, a second transition cavity, 181, a second valve cavity, 182, a second back pressure cavity, 183, a second pressure relief port, 19, a first communication port, 110, a second communication port, 111, a third communication port, 112, an atmospheric port, 113, a second water outlet channel, 114, a second waterway, 2, a first electromagnetic valve head, 21, a fixed bracket, 22, a coil component, 23, a plug, 3, a second electromagnetic valve head, 31, a plug, 4, a first elastic piece, 41, a second elastic piece, 5, a first switching component, 51, a sliding rod, 52, a water stopping diaphragm, 53, a sealing gasket, 6, a second switching component, 61, a water stopping diaphragm, 62, a supporting disk, 7, a one-way valve, 8, an anti-siphon float, 9, a waterway distribution module, 91, a main valve body, 92, an anti-siphon cover, 93, a valve cover, 94, a sealing ring, 10, a hydraulic water inlet module, 20, a water tank, 30, a water pump, 40, a water inlet valve, 50, a three-way pipe, 60, an angle valve, 70, a toilet body, 71, a washing ring nozzle, 72, a spray nozzle, 80 and an intelligent toilet cover.
Detailed Description
In the present disclosure, the terms "first," "second," and the like are used merely to distinguish between similar objects and not necessarily to describe a particular sequence or order, nor are they to be construed as indicating or implying a relative importance. In the description, the orientation or positional relationship indicated by "upper", "lower", etc. are used based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present invention, and are not intended to indicate or imply that the apparatus referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of protection of the present invention. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be. In addition, in the description of the present application, unless otherwise indicated, "a plurality" means two or more.
Referring to fig. 1-9, a mixing and distributing valve of the present invention includes a waterway distribution module 9 and a water pressure water inlet module 10, wherein the waterway distribution module 9 and the water pressure water inlet module are integrated together to form a valve body assembly 1. The waterway distribution module 9 is provided with a first water inlet channel 11, a distribution cavity 15 and a plurality of first water outlet channels 12 and 13, the hydraulic water inlet module 10 is provided with a second water inlet channel 14 and a first waterway 16, and the first water inlet channel 11 and the first waterway 16 are respectively communicated with the distribution cavity 15. The waterway distribution module 9 is provided with a first switching mechanism which controls whether each first water outlet channel is communicated with the distribution cavity 15 or not; the hydraulic inlet module 10 is provided with a second switching mechanism which controls whether the second inlet channel 14 is communicated with the first waterway 16 or not. Therefore, when the mixing and distributing valve is matched with the water pump to realize flushing of the toilet bowl, the mixing and distributing valve can also be connected with a normal pressure water source by utilizing the second water inlet channel 14 under the condition that the water pump fails to work due to factors such as power failure and the like, so that normal flushing of the toilet bowl is ensured. The normal pressure water source is municipal tap water supply source.
In this embodiment, the first switching mechanism includes a first switching member 5 for controlling the distribution chamber 15 to be in switching communication with each of the first water outlet passages, and a first driving member 2 for driving the first switching member 5 to operate; the second switching mechanism comprises a second switching component 6 for controlling whether the second water inlet channel 14 is communicated with the first waterway 16 or not, and a second driving component 3 for driving the second switching component 6 to act.
In this embodiment, as shown in fig. 3, the waterway distribution module 9 is further provided with a first transition cavity 17, the first switching component 5 is disposed in the first transition cavity 17 and separates the first transition cavity 17 into a first valve cavity 171 and a first back pressure cavity 172, the first valve cavity 171 is communicated with the distribution cavity 15, the first valve cavity 171 is communicated with the first back pressure cavity 172 through a tiny hole disposed in the first switching component 5, the first back pressure cavity 172 is provided with a first pressure relief opening 173, the first driving component 2 controls whether the first pressure relief opening 173 is opened or not, so that the first switching component 5 controls the first valve cavity 171 to be communicated with the plurality of first water outlet channels 12 and 13 in a switching manner according to the water pressure change of the first back pressure cavity 172. The first switching part 5 comprises a water stop membrane 52, a sliding rod 51 and a sealing gasket 53, wherein the water stop membrane 52 is sleeved at one end of the sliding rod 51, and the sealing gasket 53 is sleeved at the other end of the sliding rod 51; a first communication port 19 is disposed between the first valve cavity 171 and a portion of the first water outlet channel, a second communication port 110 is disposed between the first valve cavity 171 and the remaining first water outlet channel, the sliding rod 51 is disposed through the first communication port 19 and the second communication port 110, the water stop membrane 52 controls whether the first communication port 19 is opened or not, and the sealing pad 53 controls whether the second communication port 110 is opened or not. A support disc is arranged at one end of the sliding rod 51 and is used for supporting the water stop membrane 52, and the four peripheral edges of the water stop membrane 52 are in a compressed state in the first transition cavity 17; the support plate is provided with a thin water column at a position corresponding to the thin water hole formed in the water stop film 52, and the thin water column passes through the thin water hole. The first back pressure chamber 172 is provided therein with a first elastic member 4 for returning the first switching member 5, and the first elastic member 4 is a spring.
In this embodiment, as shown in fig. 5, 8 and 9, the hydraulic water inlet module 10 is further provided with a second transition chamber 18, the second switching member 6 is disposed in the second transition chamber 18 and separates the second transition chamber 18 into a second valve chamber 181 and a second back pressure chamber 182, the second valve chamber 181 is communicated with the second water inlet channel 14, the second valve chamber 181 is communicated with the second back pressure chamber 182 through a fine hole disposed on the second switching member 6, the second back pressure chamber 182 is provided with a second pressure relief opening 183 (as shown in fig. 8), and the second driving member 3 controls whether the second pressure relief opening 183 is opened or not, so that the second switching member 6 controls whether the second valve chamber 181 is communicated with the first waterway 16 or not according to a water pressure change of the second back pressure chamber 182. A third communication port 111 is provided between the second valve cavity 181 and the first waterway 16, and the second switching member 6 is a diaphragm member, which controls whether the third communication port 111 is opened or not. The second switching member 6 specifically includes a water stop film 61 and a support plate 62, the water stop film 61 is sleeved on the support plate 62, and four peripheral edges of the water stop film 61 are in a compressed state in the second transition chamber 18. The support plate 62 is provided with a fine water column at a position corresponding to the fine water hole provided in the water stop film 61, and the fine water column passes through the fine water hole. A second elastic member 41 for restoring the second switching member 6 is disposed in the second back pressure chamber 182, and the second elastic member 41 is a spring.
In this embodiment, the first driving part and the second driving part are respectively electrically controlled driving mechanisms, but not limited thereto, and in other embodiments, the first driving part and the second driving part are respectively purely mechanical driving mechanisms, such as pressing driving mechanisms, etc. In this embodiment, the first driving member and the second driving member are respectively electromagnetic valve heads, and for convenience of distinction hereinafter, the two electromagnetic valve heads are respectively named as a first electromagnetic valve head 2 and a second electromagnetic valve head 3, i.e., the first driving member is a first electromagnetic valve head 2, and the second driving member is a second electromagnetic valve head 3. In other embodiments, the first driving component and the second driving component may be motor driving mechanisms respectively, where the motor driving mechanisms are electric driving structures using a motor as a power source, and the motor is preferably a stepper motor with lower power consumption. As shown in fig. 1, the first electromagnetic valve head 2 includes a fixed bracket 21, a coil 22, a movable iron core (not shown in the drawing) and a return spring (not shown in the drawing), the coil 22 is fixed outside the waterway distribution module 9 through the fixed bracket 21, the movable iron core is movably arranged in the coil 22, one end of the movable iron core is provided with a plug 23 for opening and closing the first pressure relief hole 173, and the return spring is sleeved outside the movable iron core and is used for providing the movable iron core for return. When the coil 22 is electrified, the movable iron core moves towards a direction away from the first pressure relief 173 hole under the action of a magnetic field and overcomes the elastic force of the return spring, so that the plug 23 opens the first pressure relief 173 hole; when the coil 22 is powered off, the movable iron core moves towards the direction approaching the first pressure relief hole 173 under the action of the restoring force of the restoring spring, so that the plug 23 closes the first pressure relief hole 173. The construction and working principle of the second electromagnetic valve head 3 are identical or substantially identical to those of the first electromagnetic valve head 2, and will not be described again. Because the coils of the first electromagnetic valve head 2 and the second electromagnetic valve head 3 have lower power consumption, and can work with small current, the first electromagnetic valve head 2 and the second electromagnetic valve head 3 can be powered by a super capacitor and/or a standby battery.
In this embodiment, as shown in fig. 5, the waterway distribution module 9 is further provided with an air port 112 communicated with the distribution chamber, and the air port 112 is opened and closed by the anti-siphon float 8 arranged in the distribution chamber 15. The outlet of the first waterway 16 is opposite to the anti-siphon float 8 so that when water flows out from the outlet of the first waterway 16, the anti-siphon float 8 can be rapidly pushed to move upward to close the atmospheric port 112. Two water stop gaskets 81 are sleeved at the lower end of the anti-siphon floater 8. The air port 112 and the anti-siphon float 8 are arranged, so that when the mixing and distributing valve is applied to a toilet flushing system, water in a toilet water tank can be prevented from being sucked into a tap water pipeline reversely when a tap water pipeline connected with the second water inlet channel 114 is negative in pressure. In other embodiments, the present invention does not provide the atmospheric port and the anti-siphon float, but rather utilizes an anti-siphon device installed between the second water intake pipe and the tap water pipe or on the tap water pipe to achieve anti-siphon.
In this embodiment, the first water inlet channel 11 is provided with a one-way valve 7 which only allows water to flow from the first water inlet channel 11 into the distribution chamber 15. Specifically, the check valve 7 is located at the outlet of the first water inlet passage 11, but is not limited thereto. In this way, water can be prevented from flowing from the distribution chamber 15 into the first water inlet channel 11 when the first water channel 16 is in water. Because the on-off state between the first waterway 16 and the second water inlet channel 14 is controlled by the second switching mechanism (namely, the second electromagnetic valve head 6), a one-way valve is not required to be arranged on the first waterway 16.
In this embodiment, the hydraulic water inlet module 10 is further provided with a second water outlet channel 113 and a second water channel 114, and the second water outlet channel 113 is communicated with the second water inlet channel 14 through the second water channel 114.
In this embodiment, the number of the first water outlet passages 12, 13 is two, but not limited thereto.
In this embodiment, as shown in fig. 1, the waterway distribution module 9 is specifically assembled by a main valve body 91, an anti-siphon cover 92, a valve cover 93, etc., the air vent 112 is provided on the anti-siphon cover 12, and the anti-siphon cover 12 and the main valve body 11 are matched with a sealing ring 94. The water pressure water inlet module 10 is approximately inverted Y-shaped.
The invention relates to a mixing and distributing valve which can be applied to a toilet flushing system, as shown in fig. 10, wherein the toilet flushing system comprises a water tank 20, a water pump 20 and a water inlet mechanism for supplementing water to the water tank 20, the water inlet end of the water pump 30 is communicated with the water tank 20, and in specific application, the first water inlet channel 11 is communicated with the water outlet end of the water pump 30, the second water inlet channel 14 is connected with a pressurized water source, one of the first water outlet channels 12 is communicated with a washing ring part of a toilet body, and the other first water outlet channel 13 is communicated with a spraying part of the toilet body.
When the mixing and distributing valve is matched with the water pump to realize flushing of the closestool, the second water inlet channel 14 of the mixing and distributing valve is connected with a pressure water source (namely a tap water pipeline) under the condition that the water pump cannot work due to power failure and the like, and the water supply of tap water is used for flushing the closestool, so that the problem that the closestool cannot be normally used due to the fact that the water pump cannot work is solved. The invention is convenient for users to realize the switching of water pump pressurization and tap water supply according to the water pressure of tap water under the condition of non-outage, thereby achieving the purposes of saving energy and meeting the flushing requirement, for example, the water pump pressurization water supply mode is used for realizing the flushing of the closestool during the tap water use peak period (unstable water pressure) or the tap water pressure is lower, and the tap water supply mode is used for realizing the flushing of the closestool during the tap water non-use peak period and the water pressure is higher. The design of the mixing distribution valve also ensures that the toilet flushing system does not need to introduce an additional water inlet valve group, thereby ensuring that the whole structure of the toilet flushing system is simpler and the cost is lower. Particularly, when the first driving component and the second driving component adopt a mechanical driving mechanism or an electric control driving mechanism with low power consumption and drivable by small current (for example, the first electromagnetic valve head 2 and the second electromagnetic valve head 3 can be directly powered by a super capacitor or a battery), the water pump can still work normally under the condition that the water pump cannot work due to power failure, thereby ensuring that the water pump can still wash normally after power failure.
In the mixing and distributing valve of the present invention, as shown in fig. 3, in the initial state, the first communication port 19 is closed, and the second communication port 110 is opened, so that one of the first water outlet channels 12 corresponding to the second communication port 110 is opened, and the other first water outlet channel 13 corresponding to the first communication port 19 is closed. The mixing and dispensing valve of the present invention has two modes of operation, which are described below in connection with the flushing process of a toilet.
The first mode of operation of the invention is as follows:
in the pressurized mode of the water pump 30, when the water pump 30 is started, the water pump 30 pumps out the water in the water tank 20, the water enters the first water inlet channel 11, the water pressure pushes the one-way valve 7 to be opened, the water enters the distribution cavity 15, and the anti-siphon floater 8 is pushed to move upwards to close the air port 112, as shown in fig. 5; before the coil 22 of the first electromagnetic valve head 2 is electrified, one of the first water outlet passages 12 is communicated with the distribution cavity 15, so that water flows from the distribution cavity 15, the first valve cavity 171 and the second communication port 110 to the one of the first water outlet passages 12 in sequence and finally flows out of the one of the first water outlet passages 12, (as shown in fig. 6), and the pan surface of the toilet bowl is flushed;
when the preset water outlet time of one of the first water outlet passages 12 is reached, the toilet finishes flushing the pan surface, the coil 22 of the first electromagnetic valve head 2 is electrified to open the first pressure relief hole 173 by the plug 23, so that the water in the first back pressure chamber 172 flows out through the first pressure relief hole 173, the water pressure of the first back pressure chamber 172 is greatly reduced, at this time, the water pressure in the first valve chamber 171 is far greater than the water pressure of the first back pressure chamber 172, and therefore, the first switching part 5 moves in the direction of the first back pressure chamber 172 under the pushing of the water pressure in the first valve chamber 171, thereby opening the first communication port 19, and the water flows out from the other first water outlet passage 13, as shown in fig. 7, so that the dirt at the bottom of the toilet bowl is flushed away. At the same time, the sealing gasket 53 closes the second communication port 110, so that the one of the first water outlet channels 12 does not outlet water. When the coil 22 of the first electromagnetic valve head 2 is powered off or reverse current is conducted, the plug 23 of the first electromagnetic valve head closes the first pressure relief port 173, at this time, water in the first valve chamber 171 is gradually replenished into the first back pressure chamber 172 from the minute hole on the water stop diaphragm 52, so that the water pressure in the first back pressure chamber 172 is gradually increased until the water pressure is equal to the water pressure of the first valve chamber 171, at this time, the first switching member 5 moves away from the first back pressure chamber 172 under the pushing of the first elastic member 4 and the water pressure of the first back pressure chamber 172 due to the relatively large cross-sectional area of the first back pressure chamber 172, thereby opening the second communication port 110, and closing the first communication port 19, so that the first switching member 5 is restored to the state shown in fig. 3, and the water pump 30 also stops operating.
The second mode of operation of the invention is as follows:
in the tap water supply mode, the second water inlet channel 14 is filled with water, when the coil of the second electromagnetic valve head 3 is electrified, the plug 31 of the second electromagnetic valve head 3 opens the second pressure relief hole 183, so that the water in the second back pressure cavity 182 flows out through the second pressure relief hole 183, the water pressure of the second back pressure cavity 182 is greatly reduced, at this time, the water pressure in the second valve cavity 181 is far greater than the water pressure of the second back pressure cavity 182, and therefore, the second switching part 6 moves in the direction of the second back pressure cavity 182 under the pushing of the water pressure in the second valve cavity 181, thereby opening the third communication port 111, and enabling the water to flow from the second valve cavity 181 and the third communication port 111 to the first waterway 16 in sequence, as shown in fig. 8 and 9. When water is output from the first waterway 16, the water flow pushes the anti-siphon floater 8 upwards, so that the anti-siphon floater 8 moves upwards to close the air port 112, meanwhile, the water flow pushes the one-way valve 7, so that the one-way valve 7 closes the first water inlet channel 11, and the water flows from the distribution cavity 15, the first valve cavity 171 and the second communication port 110 to one of the first water outlet channels 12 in sequence, finally flows out from one of the first water outlet channels 12, as shown in fig. 6, so that the pan surface of the toilet is flushed. Since the second water outlet channel 113 is communicated with the second water inlet channel 14, when the second water inlet channel 14 is in water, the second water outlet channel 113 can also be in water outlet so as to supply water for other parts needing water.
When the preset water outlet time of one of the first water outlet passages 12 is reached, the toilet finishes flushing the pan surface, the coil 22 of the first electromagnetic valve head 2 is electrified to open the first pressure relief hole 173 by the plug 23, so that the water in the first back pressure chamber 172 flows out through the first pressure relief hole 173, the water pressure of the first back pressure chamber 172 is greatly reduced, at this time, the water pressure in the first valve chamber 171 is far greater than the water pressure of the first back pressure chamber 172, and therefore, the first switching part 5 moves in the direction of the first back pressure chamber 172 under the pushing of the water pressure in the first valve chamber 171, thereby opening the first communication port 19, and the water flows out from the other first water outlet passage 13, as shown in fig. 7, so that the dirt at the bottom of the toilet bowl is flushed away. At the same time, the sealing gasket 53 closes the second communication port 110, so that the one of the first water outlet channels 12 does not outlet water. When the coil 22 of the first electromagnetic valve head 2 is powered off or reverse current is conducted, the plug 53 of the first electromagnetic valve head closes the first pressure relief port 173, at this time, water in the first valve cavity 171 is gradually replenished into the first back pressure cavity 172 from the tiny hole on the water stop diaphragm 52, so that the water pressure in the first back pressure cavity 172 is gradually increased until the water pressure is equal to the water pressure of the first valve cavity 171, at this time, the first switching member 5 moves and resets in a direction away from the first back pressure cavity 172 under the pushing of the first elastic member 7 and the water pressure of the first back pressure cavity 172, thereby opening the second communication port 110, and closing the first communication port 19, so that the first switching member 5 is restored to the state shown in fig. 3, and the water pump 30 also stops working. Similarly, when the coil of the second electromagnetic valve head 3 is powered off or reverse current is conducted, the plug 31 of the second electromagnetic valve head 3 closes the second pressure relief opening 183, at this time, water in the second valve cavity 181 is gradually replenished into the second back pressure cavity 182 from the tiny hole on the water stop diaphragm 61, so that the water pressure in the second back pressure cavity 182 is gradually increased until the water pressure is equal to the water pressure of the second valve cavity 181, at this time, the middle part of the second switching member 6 moves and resets in a direction away from the second back pressure cavity 182 under the pushing of the water pressure of the second back pressure cavity 182 and the second elastic member 41 due to the larger cross-sectional area of the second back pressure cavity 182, thereby closing the third communication opening 111, and disconnecting the second water inlet channel 14 from the first waterway 16.
Referring to fig. 1 to 10, the toilet flushing system of the present invention includes a water tank 20, a water pump 30, and a water inlet mechanism for supplying water to the water tank 20, wherein a water inlet end of the water pump 30 is connected to the water tank 20; the water outlet end of the water pump 30 is connected to the first water inlet channel 11, the second water inlet channel 14 is connected to a pressurized water source, specifically, the second water inlet channel 14 is connected to a tap water pipeline sequentially through a tee 50 and an angle valve 60, and the remaining water channel of the tee 50 is used for connecting to a water channel corresponding to an intelligent toilet lid 80 of a toilet. Of the plurality of first water outlet passages 12, 13, a part of the first water outlet passages are used for connecting the washing ring part of the toilet body, and the rest of the first water outlet passages are used for connecting the spraying part of the toilet.
In the present embodiment, the water inlet mechanism is specifically, but not limited to, a mechanical water inlet valve 40 disposed in the water tank. Since the water pressure water inlet module 10 is further provided with the second water outlet channel 113, the second water outlet channel 113 is communicated with the water inlet end of the water inlet valve 40, so that the water inlet valve 40 can be directly supplied with water from the second water outlet channel 113, thereby reducing tap water pipelines and angle valves configured for supplying water to the water inlet valve 40.
In this embodiment, the present invention further includes a control board, which controls the water pump 30, the first electromagnetic valve head 2, and the second electromagnetic valve head 3 to act in coordination. The first electromagnetic valve head 2 and the second electromagnetic valve head 3 can be powered by a standby battery or a super capacitor arranged on the control panel.
In this embodiment, for the structure and working principle of the mixing and distributing valve, please refer to the description of the above, and the description is omitted here
The invention relates to a toilet flushing system, which has the following working principle: when the water pump 30 is started, the water pump 30 pumps out the water in the water tank 20, the water enters the first water inlet channel 11, and the mixing and distributing valve works according to the first working mode, so that flushing of the toilet bowl is completed. When the water pump 30 is not operated due to power failure or the like and is changed to the tap water supply mode, the mixing and distributing valve is operated according to the second operation mode, thereby completing flushing of the toilet bowl.
Referring to fig. 1-10, a toilet according to the present invention includes a toilet body 70, and further includes a toilet flushing system according to the present invention, wherein among the plurality of first water outlet channels, a part of the first water outlet channels are communicated with a washing ring portion of the toilet body, and the rest of the first water outlet channels are communicated with a spraying portion of the toilet body. Specifically, one of the first water outlet passages 12 is communicated with the washing ring portion of the toilet body 70, and the other first water outlet passage 13 is communicated with the spraying portion of the toilet body 70.
In this embodiment, the washing ring part is used for washing the pan surface of the urinal of the toilet body 70, and includes any one or a combination of several of a washing ring waterway, a washing ring opening and a washing ring spray head; the spraying part is used for flushing dirt of the toilet body 70 falling into the bottom of the urinal to a sewage discharge pipe of the toilet body 1, and comprises any one or a combination of a spraying waterway, a spraying port and a spraying nozzle. Specifically, the washing ring part comprises a washing ring spray head 71, the washing ring spray head 71 is installed at the top of the urinal of the toilet body 70, and the washing ring spray head 71 can be replaced by the washing ring waterway or a washing ring opening arranged at the top of the urinal, etc.; the spray part includes a spray head 72, and the spray head 72 is installed at the bottom of the bowl and opposite to the inlet of the drain pipe of the toilet body 70, and the spray head 72 may be replaced with the spray waterway or a spray port provided at the bottom of the bowl and opposite to the inlet of the drain pipe. The toilet is a smart toilet and the tank 20 is a low tank.
The flushing process of the toilet bowl is as described above and will not be repeated.
The invention relates to a mixing and distributing valve, a toilet flushing system and a toilet, and the parts not related to the mixing and distributing valve, the toilet flushing system and the toilet are the same as or can be realized by adopting the prior art.
The above embodiments are only used to further illustrate a mixing and dispensing valve, a toilet flushing system and a toilet according to the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention falls within the scope of the technical solution of the present invention.
Claims (10)
1. A mixing and dispensing valve, characterized in that: the water pressure distribution system comprises a water channel distribution module and a water pressure water inlet module, wherein the water channel distribution module is provided with a first water inlet channel, a distribution cavity and a plurality of first water outlet channels; the waterway distribution module is provided with a first switching mechanism which controls whether each first water outlet channel is communicated with the distribution cavity or not; the water pressure water inlet module is provided with a second switching mechanism which controls whether the second water inlet channel is communicated with the first waterway or not;
the first switching mechanism comprises first switching components used for controlling the distribution cavity to be in switching communication with each first water outlet channel, and first driving components used for driving the first switching components to act; the second switching mechanism comprises a second switching component for controlling whether the second water inlet channel is communicated with the first waterway or not, and a second driving component for driving the second switching component to act.
2. The mixing and dispensing valve according to claim 1, wherein: the waterway distribution module is also provided with a first transition cavity, the first switching component is arranged in the first transition cavity and divides the first transition cavity into a first valve cavity and a first back pressure cavity, the first valve cavity is communicated with the distribution cavity, the first valve cavity is communicated with the first back pressure cavity through a tiny hole arranged on the first switching component, the first back pressure cavity is provided with a first pressure relief opening, the first driving component controls whether the first pressure relief opening is opened or not, so that the first switching component controls the first valve cavity to be communicated with the plurality of first water outlet channels in a switching mode according to the water pressure change of the first back pressure cavity; the hydraulic pressure water inlet module is further provided with a second transition cavity, the second switching component is arranged in the second transition cavity and divides the second transition cavity into a second valve cavity and a second back pressure cavity, the second valve cavity is communicated with the second water inlet channel, the second valve cavity is communicated with the second back pressure cavity through a tiny hole arranged on the second switching component, the second back pressure cavity is provided with a second pressure relief opening, the second driving component controls whether the second pressure relief opening is opened or not, and the second switching component controls whether the second valve cavity is communicated with the first waterway or not according to the change of the hydraulic pressure of the second back pressure cavity.
3. The mixing and dispensing valve according to claim 2, wherein: the first switching component comprises a water stop diaphragm, a sliding rod and a sealing gasket, wherein the water stop diaphragm is sleeved at one end of the sliding rod, and the sealing gasket is sleeved at the other end of the sliding rod; a first communication port is arranged between the first valve cavity and part of the first water outlet channels, a second communication port is arranged between the first valve cavity and the rest of the first water outlet channels, the sliding rod penetrates through the first communication port and the second communication port, the water stopping diaphragm controls whether the first communication port is opened or not, and the sealing gasket controls whether the second communication port is opened or not; a third communication port is arranged between the second valve cavity and the first waterway, and the second switching component is a diaphragm component which controls whether the third communication port is opened or not.
4. A mixing and dispensing valve according to any of claims 1-3, characterized in that: the first driving component and the second driving component are respectively a mechanical driving mechanism or an electric control driving mechanism, and the electric control driving mechanism comprises any one of a motor driving mechanism and an electromagnetic valve head; the electronically controlled drive mechanism may be powered by a super capacitor and/or a backup battery.
5. A mixing and dispensing valve according to any of claims 1-3, characterized in that: the waterway distribution module is also provided with an air port communicated with the distribution cavity, and the air port is controlled to be opened and closed by an anti-siphon floater arranged in the distribution cavity; the outlet of the first waterway is opposite to the anti-siphon float.
6. A mixing and dispensing valve according to any of claims 1-3, characterized in that: the water pressure water inlet module is also provided with a second water outlet channel and a second water channel, and the second water outlet channel is communicated with the second water inlet channel through the second water channel.
7. A mixing and dispensing valve according to any of claims 1-3, characterized in that: and a one-way valve mounted to the first water inlet passage, the one-way valve allowing water to flow only from the first water inlet passage into the dispensing chamber.
8. The toilet flushing system comprises a water tank and a water pump, wherein the water inlet end of the water pump is communicated with the water tank; the method is characterized in that: the mixing and distributing valve of any one of claims 1-7, wherein the water outlet end of the water pump is communicated with the first water inlet channel, the second water inlet channel is used for being connected with a normal pressure water source, one part of the first water outlet channels is used for being communicated with the washing ring part of the closestool body, and the other first water outlet channels are used for being communicated with the spraying part of the closestool.
9. The toilet flushing system of claim 8, wherein: the water pressure water inlet module is further provided with a second water outlet channel and a second water channel, the second water outlet channel is communicated with the second water inlet channel through the second water channel, and the second water outlet channel is communicated with the water inlet end of a water inlet valve arranged in the water tank.
10. A toilet, including the closestool body, its characterized in that: the toilet flushing system of claim 8 or 9, wherein a part of the first water outlet channels are communicated with the washing ring part of the toilet body, and the rest of the first water outlet channels are communicated with the spraying part of the toilet body; the washing part comprises one or a combination of a plurality of washing waterways, washing ports and washing spray heads, and the spraying part comprises one or a combination of a plurality of spraying waterways, spraying ports and spraying spray heads.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210992687.6A CN115450290B (en) | 2022-08-18 | 2022-08-18 | Mixed distributing valve, toilet flushing system and toilet |
| PCT/CN2023/113747 WO2024037624A1 (en) | 2022-08-18 | 2023-08-18 | Mixing distribution valve, water-closet bowl flushing system and water-closet bowl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210992687.6A CN115450290B (en) | 2022-08-18 | 2022-08-18 | Mixed distributing valve, toilet flushing system and toilet |
Publications (2)
| Publication Number | Publication Date |
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| CN115450290A CN115450290A (en) | 2022-12-09 |
| CN115450290B true CN115450290B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210992687.6A Active CN115450290B (en) | 2022-08-18 | 2022-08-18 | Mixed distributing valve, toilet flushing system and toilet |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024037624A1 (en) * | 2022-08-18 | 2024-02-22 | 厦门科牧智能技术有限公司 | Mixing distribution valve, water-closet bowl flushing system and water-closet bowl |
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| CN114649903A (en) * | 2022-03-30 | 2022-06-21 | 宁波达吉电气有限公司 | Electric grounding switch integrated motor |
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| CA1053406A (en) * | 1976-06-29 | 1979-05-01 | Kohler Co. | Valve controlled flushing system |
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| CN115450290A (en) | 2022-12-09 |
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