EP4242387B1 - Verborgener wassertank zur anpassung verschiedener antriebstafeln - Google Patents

Verborgener wassertank zur anpassung verschiedener antriebstafeln

Info

Publication number
EP4242387B1
EP4242387B1 EP23159474.8A EP23159474A EP4242387B1 EP 4242387 B1 EP4242387 B1 EP 4242387B1 EP 23159474 A EP23159474 A EP 23159474A EP 4242387 B1 EP4242387 B1 EP 4242387B1
Authority
EP
European Patent Office
Prior art keywords
driving
water tank
panel
hidden
matching different
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.)
Active
Application number
EP23159474.8A
Other languages
English (en)
French (fr)
Other versions
EP4242387A1 (de
Inventor
Congxian Huang
Shutuan LIU
Youpeng CHEN
Yunqing ZANG
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.)
Kohler China Investment Co Ltd
Original Assignee
Kohler China Investment Co Ltd
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
Priority claimed from CN202220505786.2U external-priority patent/CN217460798U/zh
Application filed by Kohler China Investment Co Ltd filed Critical Kohler China Investment Co Ltd
Publication of EP4242387A1 publication Critical patent/EP4242387A1/de
Application granted granted Critical
Publication of EP4242387B1 publication Critical patent/EP4242387B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
    • E03D5/024—Operated hydraulically or pneumatically
    • 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
    • E03D1/02—High-level flushing systems
    • E03D1/14—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination 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
    • E03D1/302—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 with valves kept in open position by means of air or water pressure or by vacuum
    • 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
    • E03D1/34—Flushing valves for outlets; Arrangement of outlet valves
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
    • E03D5/028—Pusher plates and actuating mechanisms for built-in cisterns
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
    • E03D5/09—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor directly by the hand
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/10—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl
    • E03D5/105—Special constructions of flushing devices, e.g. closed flushing system operated electrically, e.g. by a photo-cell; also combined with devices for opening or closing shutters in the bowl outlet and/or with devices for raising/or lowering seat and cover and/or for swiveling the bowl touchless, e.g. using sensors
    • 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

Definitions

  • An opening time duration of the pneumatic drainage valve 31 is t1 after the high-volume flushing button 42a is triggered, and the opening time duration of the pneumatic drainage valve 31 is t2 after the low-volume flushing button 42b is triggered, and t1 is greater than t2.
  • the piston 73 is connected to the second flushing button 52 through a connecting rod 76, and the inflation tube 32 is connected to a compressible sealing chamber formed between the cylinder block 71 and the pneumatic rubber cup 74.
  • the piston 73 In an initial state, under the elastic force of the spring 75, one end of the piston 73 abuts against the cylinder head 72, and the other end of the piston 73 acts on the pneumatic rubber cup 74.
  • the piston 73 is pushed to move so as to deform the pneumatic rubber cup 74.
  • the pneumatic rubber cup 74 compresses an air volume in the sealing chamber between the cylinder block 71 and the pneumatic rubber cup 74, so that a pressing force is converted into an air pressure, which acts on the pneumatic drainage valve 31 through the inflation tube 32.
  • the pneumatic drainage valve 31 is opened to realize drainage of the water tank.
  • the pneumatic rubber cup 74 may also be a gasbag (e.g., an airbag) or other structural forms of pressurized seal elements.
  • At least one inflation tube 32 is arranged, and the quantity of the second flushing button(s) 52 on the mechanical driving panel 50 is the same as the quantity of the inflation tube(s) 32.
  • two inflation tubes 32 and two second flushing buttons 52 are provided on the mechanical driving panel 50. More particularly, the second flushing button 52 comprises a high-volume flushing button 52a and a low-volume flushing button 52b, and the inflation tube 32 correspondingly comprises a high-volume flushing tube 32a and a low-volume flushing tube 32b.
  • the controller 90 may be connected to a workstation or another external device (e.g., control panel, remote) and/or a database for receiving user inputs, system characteristics, and any of the values described herein.
  • the controller 90 may include a processor.
  • the controller 90 may include an input device and/or a sensing circuit in communication with any of the sensors.
  • the sensing circuit receives sensor measurements from as described above.
  • the controller 90 may include a drive unit for receiving and reading non-transitory computer media having instructions. Additional, different, or fewer components may be included.
  • the processor is configured to perform instructions stored in memory for executing the algorithms described herein.
  • the controller 90 may be communicably connected to a storage configured to store the data as described in the present disclosure.
  • the storage may include one or more devices (e.g., memory units, memory devices, storage devices, etc.) for storing data and/or computer code for completing and/or facilitating the various processes described in the present disclosure.
  • the storage may include random access memory (RAM), read-only memory (ROM), hard drive storage, temporary storage, non-volatile memory, flash memory, optical memory, or any other suitable memory for storing software objects and/or computer instructions.
  • RAM random access memory
  • ROM read-only memory
  • the storage may include database components, object code components, script components, or any other type of information structure for supporting the various activities and information structures described in the present disclosure.
  • the storage may be communicably connected to processor via a processing circuit and may include computer code for executing (e.g., by processor) one or more processes described herein.
  • the storage may include graphics, web pages, HTML files, XML files, script code, shower configuration files, or other resources for use in generating graphical user interfaces for display and/or for use in interpreting user interface inputs to make command, control, or communication decisions.
  • An opening time duration of the pneumatic drainage valve 31 is t1 when the pneumatic drainage valve 31 is triggered by the high-volume flushing tube 32a, and the opening time duration of the pneumatic drainage valve 31 is t2 when the pneumatic drainage valve 31 is triggered by the low-volume flushing button 32b.
  • t1 is greater than t2.
  • the control module controls a first inflator pump 81a or a second inflator pump 81b to start according to a detection situation of the human body sensor 62.
  • the human body sensor 62 is an infrared sensor, a microwave sensor, or an ultrasound sensor
  • the first inflator pump 81a or the second inflator pump 81b is controlled to start by sensing time durations when infrared rays, microwaves, or ultrasonic waves emitted by the infrared sensor, the microwave sensor, or the ultrasonic sensor are blocked.
  • the blocked time duration T is greater than the first preset time duration T1
  • the first inflator pump 81a is controlled to start.
  • the electric driving panel 60 further comprises a prompt window
  • the prompt window 63 is configured to notify a user about a working state of the inflator pump 81.
  • the prompt window 63 notifies, by lighting or flashing, the user about whether the inflator pump 81 is working or which inflator pump 81 is working.
  • two prompt windows 63 are provided, including one prompt window 63 configured to display a working state of the first inflator pump 81a and the other prompt window 63 configure to display a working state of the second inflator pump 81b.
  • one prompt window 63 is provided and configured to display the working state of the first inflator pump 81a and the working state of the second inflator pump 81b by different changes of lights of the prompt widow 63, such as different brightness or flashing frequency.
  • the control module controls the first inflator pump 81a or the second inflator pump 81b to start according to the detection situation of the human body sensor 62.
  • the generated air pressure is filled into the pneumatic drainage valve 31 through the high-volume flushing tube 32a or the low-volume flushing tube 32b.
  • the valve for high-volume flushing or low-volume flushing may be opened, and a ceramic flush toilet can be cleaned by the water tank.
  • the present disclosure further provides a toilet including a base (e.g., a pedestal, bowl, etc.) and the hidden water tank as described above.
  • the base is configured to be attached to another object such as a drainpipe, floor, or another suitable object.
  • the base includes a bowl, a sump (e.g., a receptacle) disposed below the bowl, and a trapway fluidly connecting the bowl to a drainpipe or sewage line.
  • the hidden water tank may be supported by the base, such as an upper surface of a rim.
  • the hidden water tank may be integrally formed with the base as a single unitary body.
  • the hidden water tank may be formed separately from the base and coupled (e.g., attached, secured, fastened, connected, etc.) to the base.
  • the toilet may further include a tank lid covering an opening and inner cavity in the hidden water tank.
  • the toilet may include a seat assembly including a seat and a seat cover rotatably coupled to the base.
  • the toilet may further include a hinge assembly.
  • the toilet may be a tankless toilet.
  • the toilet includes a base and a seat assembly coupled to the base.
  • the base includes a bowl, a sump disposed below the bowl, and a trapway fluidly connecting the bowl to a drainpipe or sewage line.
  • the toilet includes a waterline that supplies the toilet with water.
  • the toilet may further include a seat assembly including a seat and a seat cover rotatably coupled to the base.
  • the bidet may be included in a seat or pedestal of a toilet. In other examples, the bidet may be manufactured separately from and attached or coupled to a seat or pedestal of a toilet.
  • the bidet includes a housing.
  • the housing is configured to receive a flow of water through a housing inlet and dispense the flow of water from a housing outlet.
  • the housing inlet and housing outlet may be located on opposite ends of the housing from one another, such that water may flow through the housing from the housing inlet to the housing outlet.
  • the housing further includes a chamber. As the housing receives the flow of water, the chamber may fill with water and provide a flow of water between the housing inlet and the housing outlet.
  • the chamber may be configured to contain the flow of water and direct the flow of water from the housing inlet to the housing outlet. After the chamber has filled with water, the flow of water may travel along a substantially linear path between the housing inlet and the housing outlet.
  • one or more walls within the housing may be included to help direct a flow of water between the housing inlet and the housing outlet.
  • the bidet may further include a housing inlet conduit configured to direct a flow of water to the housing inlet.
  • the housing inlet conduit may be coupled to a water supply such as tank or waterline.
  • the housing may further include a gear assembly or a portion of the gear assembly.
  • FIG. 7 is a flow chart of a method for controlling the hidden water tank to flush water.
  • the hidden water tank controlled by the method may be the hidden water tank according to any of the foregoing embodiments and may be configured to perform an operation, function, or the like as described in the present disclosure.
  • the driving panel of the hidden water tank may receive a driving force.
  • a driving force As noted above, when the driving panel comprises the pneumatic driving panel 40, a user may press the first flushing button 42 to generate the driving force.
  • the driving panel comprises the mechanical driving panel 50, the user may press the second flushing button 52 to generate the driving force.
  • the driving panel comprises the electric driving panel 60, the controller 90 may generate the driving force.
  • the inflation tube 32 of the hidden water tank may convert the driving force into an air pressure change in the inflation tube 32.
  • the driving panel comprises the pneumatic driving panel 40
  • the first flushing button 42 of the pneumatic driving panel 40 compresses the piston or the airbag of the pneumatic driving panel 40 to fill the air into the pneumatic drainage valve 31 via the inflation tube 32 so as to open the pneumatic drainage valve 31.
  • the second flushing button 52 of the mechanical driving panel 50 may move the piston 73 to deform the pneumatic rubber cup 74.
  • the pneumatic rubber cup 74 may compress the air in the sealing chamber between the cylinder block 71 and the pneumatic rubber cup 74 to generate the air pressure acting on the pneumatic drainage valve 31 through the inflation tube 32 so as to open the pneumatic drainage valve 31.
  • the controller 90 may control the inflator pump 81 to inflate and act on the inflation tube 32 so as to open the pneumatic drainage valve 31.
  • the air pressure change in the inflation tube 32 may open or close the pneumatic drainage valve 31.

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Claims (10)

  1. Verborgener Wassertank, der in der Lage ist, sich an verschiedene Antriebsplatten anzupassen, umfassend:
    einen Wassertankkörper (10), wobei der Wassertankkörper (10) eine Wassereinlassanordnung (20) und eine pneumatische Ablassanordnung (30) umfasst; und
    eine Antriebsplatte, die lösbar mit dem Wassertankkörper verbunden ist, wobei die Antriebsplatte eine mechanische Antriebsplatte (50) umfasst, dadurch gekennzeichnet, dass
    die mechanische Antriebsplatte (50) und die pneumatische Ablassanordnung (30) durch ein erstes Antriebsumwandlungsmodul (70) verbunden sind, und das erste Antriebsumwandlungsmodul (70) zum Umwandeln einer mechanischen Antriebskraft in eine Luftdruckantriebskraft verwendet wird.
  2. Verborgener Wassertank, der in der Lage ist, sich an verschiedene Antriebsplatten anzupassen, umfassend: einen Wassertankkörper (10), wobei der Wassertankkörper (10) eine Wassereinlassanordnung (20) und eine pneumatische Ablassanordnung (30) umfasst; und
    eine Antriebsplatte, die lösbar mit dem Wassertankkörper verbunden ist, wobei die Antriebsplatte eine elektrische Antriebsplatte (60) umfasst, dadurch gekennzeichnet, dass
    die elektrische Antriebsplatte (60) und die pneumatische Ablassanordnung (30) durch ein zweites Antriebsumwandlungsmodul (80) verbunden sind, und das zweite Antriebsumwandlungsmodul (80) zum Umwandeln eines elektrischen Signals in eine Luftdruckantriebskraft verwendet wird.
  3. Verborgener Wassertank, der in der Lage ist, sich an verschiedene Antriebsplatten anzupassen, nach Anspruch 1 oder Anspruch 2, wobei die Wassereinlassanordnung (20) ein Wassereinlassgelenk (21) und ein Wassereinlassventil (22) umfasst, die sich an einer Wassereinlassleitung (23) befinden, und das Wassereinlassgelenk (21) mit einer Wasserversorgungsleitung verbunden ist; und die pneumatische Ablassanordnung (30) ein pneumatisches Ablassventil (31) und ein Aufblasrohr (32) umfasst, das sich an dem pneumatischen Ablassventil (31) befindet, und das Aufblasrohr (32) zum Aufnehmen einer Antriebskraft an der Antriebsplatte (50, 60) verwendet wird.
  4. Verborgener Wassertank, der in der Lage ist, sich an verschiedene Antriebsplatten anzupassen, nach Anspruch 3 in Abhängigkeit von Anspruch 1, wobei die mechanische Antriebsplatte (50) einen zweiten Plattenkörper (51) und eine zweite Spültaste (52) umfasst, die am zweiten Plattenkörper (51) angebracht ist; und das erste Antriebsumwandlungsmodul (70) umfasst:
    einen Zylinder, wobei der Zylinder von einem Zylinderblock und einem Zylinderkopf gebildet wird; und
    einen Kolben, ein druckbeaufschlagtes Dichtungselement und eine Feder, die sich im Zylinder befindet, wobei zwischen dem druckbeaufschlagten Dichtungselement und dem Zylinderblock eine komprimierbare Dichtungskammer gebildet ist; unter der Wirkung der Feder ein Ende des Kolbens am Zylinderkopf anliegt und das andere Ende des Kolbens auf das druckbeaufschlagte Dichtungselement wirkt; und der Kolben durch eine Verbindungsstange mit der zweiten Spültaste (52) verbunden ist und das Aufblasrohr (31) mit der komprimierbaren Dichtungskammer verbunden ist.
  5. Verborgener Wassertank, der in der Lage ist, sich an verschiedene Antriebsplatten anzupassen, nach Anspruch 4, wobei mindestens ein Aufblasrohr eingerichtet ist und die Anzahl der zweiten Spültasten an der mechanischen Antriebsplatte die gleiche ist wie die der Aufblasrohre.
  6. Verborgener Wassertank, der in der Lage ist, sich an verschiedene Antriebsplatten anzupassen, nach Anspruch 3 in Abhängigkeit von Anspruch 2, wobei die elektrische Antriebsplatte (60) einen dritten Plattenkörper und einen am dritten Plattenkörper angebrachten Sensor für menschliche Körper umfasst, das zweite Antriebsumwandlungsmodul eine Aufblaspumpe umfasst, und das Aufblasrohr (32) mit einem Ausgangsende der Aufblaspumpe verbunden ist.
  7. Verborgener Wassertank, der in der Lage ist, sich an verschiedene Antriebsplatten anzupassen, nach Anspruch 6, wobei der Sensor für menschliche Körper eines von einem Infrarotsensor, einem Mikrowellensensor, einem Ultraschallsensor oder einem Fernbedienungssensor umfasst.
  8. Verborgener Wassertank, der in der Lage ist, sich an verschiedene Antriebsplatten anzupassen, nach Anspruch 6 oder Anspruch 7, wobei mindestens ein Aufblasrohr eingerichtet ist und die Anzahl der Aufblaspumpen die gleiche ist wie die der Aufblasrohre.
  9. Verborgener Wassertank, der in der Lage ist, sich an verschiedene Antriebsplatten anzupassen, nach Anspruch 6, Anspruch 7 oder Anspruch 8, wobei die elektrische Antriebsplatte (60) weiter ein Informationsfenster umfasst, und das Informationsfenster zum Informieren eines Benutzers über einen Betriebszustand der Aufblaspumpe verwendet wird.
  10. Toilette, die eine Basis und den verborgenen Wassertank nach einem der Ansprüche 1 bis 9 beinhaltet.
EP23159474.8A 2022-03-08 2023-03-01 Verborgener wassertank zur anpassung verschiedener antriebstafeln Active EP4242387B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202220505786.2U CN217460798U (zh) 2022-03-08 2022-03-08 一种可匹配不同驱动面板的隐藏式水箱
US18/113,586 US20230287668A1 (en) 2022-03-08 2023-02-23 Hidden water tank for matching different driving panels

Publications (2)

Publication Number Publication Date
EP4242387A1 EP4242387A1 (de) 2023-09-13
EP4242387B1 true EP4242387B1 (de) 2025-08-27

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ID=85415485

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23159474.8A Active EP4242387B1 (de) 2022-03-08 2023-03-01 Verborgener wassertank zur anpassung verschiedener antriebstafeln

Country Status (1)

Country Link
EP (1) EP4242387B1 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10113115A1 (de) * 2001-03-16 2002-09-19 Eisenberg Gmbh Sanitaertechnik Betätigungsvorrichtung für das Ablaufventil eines WC-Spülkastens
ITMI20010276U1 (it) * 2001-05-16 2002-11-18 Valsir Spa Sistema modulare per l'allestimento di cassette di risciacquamento diapparecchi sanitari con diverse modalita' di funzionamento, e cassetta
ITMI20040044A1 (it) * 2004-01-15 2004-04-15 Valsir Spa Dispositivo di azionamento dello scarico in una cassetta di risciacquo
DE102008025904B4 (de) * 2008-05-29 2013-08-08 GROHEDAL Sanitärsysteme GmbH Spülkasten mit Revisionsöffnung
ITMI20121209A1 (it) * 2012-07-11 2014-01-12 Oliveira & Irmao Sa Dispositivo di comando di una valvola di scarico di una cassetta di risciacquo
DK2775048T3 (da) * 2013-03-06 2019-07-22 Eisenberg Gmbh Sanitaertechnik Byggesæt omfattende et armaturgrundlegeme og adskillige forskellige udløsermoduler
CN108331112B (zh) * 2017-01-20 2020-07-28 雷衍辉 红外线感应气动冲水阀
CN214460903U (zh) * 2021-02-05 2021-10-22 厦门派夫特卫浴科技有限公司 一种气动排水装置

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