EP1602788A1 - Device for activating a flush tank drain valve assembly - Google Patents
Device for activating a flush tank drain valve assembly Download PDFInfo
- Publication number
- EP1602788A1 EP1602788A1 EP05104389A EP05104389A EP1602788A1 EP 1602788 A1 EP1602788 A1 EP 1602788A1 EP 05104389 A EP05104389 A EP 05104389A EP 05104389 A EP05104389 A EP 05104389A EP 1602788 A1 EP1602788 A1 EP 1602788A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flush
- button
- sensor
- shutter
- electromechanical actuator
- 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.)
- Withdrawn
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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
- E03D5/028—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
- E03D5/10—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
Definitions
- the present invention relates to a flush tank flush activating device.
- devices of this sort require electric current, and so have the major drawback of failing to operate, thus preventing flushing, in the event of power failure.
- a flush tank flush activating device comprising a flush valve having a movable shutter cooperating with a drain hole; and an electromechanical actuator activated by at least one sensor by means of an electronic control circuit to move the shutter and selectively open and close the flush valve; the device being characterized by comprising a mechanical actuator controlled by a hand-operated button and acting on the shutter independently of the electromechanical actuator.
- the device according to the invention can therefore be operated either automatically, by means of the sensor controlling the electromechanical actuator, or manually, by means of the user-operated control button, thus ensuring flushing even in the event of power failure.
- the device according to the invention is extremely cheap and easy to produce, by employing, among other things, a conventional mechanical flush valve, with no major alterations or design features required.
- Number 1 in the accompanying drawing indicates as a whole a device for activating flushing of a known flush tank 2 (not shown in detail for the sake of simplicity) of a sanitary fixture (WC or urinal).
- Device 1 comprises a flush valve 3 having a shutter 4 cooperating with a drain hole 5; an electromechanical actuator 6 activated by at least one sensor 7 by means of an electronic control circuit 8 to move shutter 4 and selectively open and close flush valve 3; and a mechanical actuator 9 controlled by a hand-operated button 10 and acting on shutter 4 independently of electromechanical actuator 6.
- Flush valve 3 is substantially known, and is designed to selectively provide two different flush modes, in particular, a full flush mode and a partial flush mode to drain all or part of the water from tank 2 respectively.
- flush valve 3 is of the type illustrated in European Patent Application EP-A-1245744, the content of which is included herein by way of reference as required for a clear understanding of the present invention.
- flush valve 3 substantially comprises a supporting structure 13 having drain hole 5 at the bottom, and closed at the top by a cover 14 having a central through hole; a movable member (overflow tube) 16 fitted at the bottom end with shutter 4 and housed to slide inside supporting structure 13 and through the hole in cover 14; a toroidal float 17 fitted integrally to movable member 16 and housed inside supporting structure 13; and a substantially tubular additional member 18 fitted coaxially and sliding freely about movable member 16 and selectively connectable/disconnectable to/from movable member 16 by reversible connecting means 19.
- Reversible connecting means 19 comprise a rocking body 20 hinged to additional member 18 and having, at opposite ends, an auxiliary float 21, and a hook 22 for hooking onto movable member 16; flush valve 3 comprises a tie 26 connected integrally to a top end of movable member 16, and a tie 27 connected integrally to additional member 18; and ties 26, 27 have respective end eyes 28, 29.
- Shutter 4 is carried by movable member 16 to selectively assume a closed position and an open position closing and opening drain hole 5 respectively; movable member 16 and float 17 are designed to provide a first flush mode; and additional member 18 is selectively connectable to movable member 16 to provide a second flush mode. More specifically, float 17 is connected to movable member 16 to delay return of shutter 4 to the closed position (and so drain all the water from tank 2); and additional member 18 is connectable to movable member 16 to accelerate return of shutter 4 to the closed position (and so drain part of the water from the tank).
- Electromechanical actuator 6 is substantially known, and comprises a solenoid valve 32 activated by circuit 8; and a piston device 33, e.g. hydraulically operated, having an axially-sliding piston 34.
- Piston device 33 is fitted, for example, to a top wall or cover 35 of tank 2, and piston 34 has a bottom end 36 connected to eye 29 of tie 27.
- Circuit 8 comprises a known control unit 37 (e.g. a chip or electronic board) which receives signals from sensor 7 and, on the basis of stored operating programs, controls operation of electromechanical actuator 6.
- Mechanical actuator 9 comprises a square lever 38 hinged to a support 39 fixed to tank 2 (e.g. to the top wall or cover 35).
- Lever 38 comprises a first arm 41 connected to button 10 by a rotary articulated joint 42 and a connecting rod 43; and a second arm 44 terminating with a hook 45 engaging eye 28 of tie 26.
- Device 1 also comprises a control plate 48 fixable (in known manner) to a wall of tank 2 or, in the case of a walled-in or recessed tank 2, to a wall of the room in which tank 2 is installed.
- Plate 48 is fitted with button 10 and sensor 7, which, in particular, is a known contact and/or proximity sensor.
- Button 10 is fitted movably - either in rocking or sliding manner - to plate 48 (in the example shown, button 10 is hinged to plate 48 by two pins 49), and sensor 7 is installed in a dummy button 50 fitted to plate 48 and adjacent to button 10. Button 10 is therefore located apart from sensor 7; and dummy button 50 supporting sensor 7 is smaller than button 10 and fixed with respect to plate 48.
- control unit 37 controls operation of electromechanical actuator 6 to activate partial drainage of the water from tank 2.
- Operation of electromechanical actuator 6 may be activated, for example, by the user touching sensor 7, or automatically upon sensor 7 detecting the presence and withdrawal of the user.
- tie 27 pulls up additional member 18, rocking boxy 20, movable member 16 with float 17, and shutter 4, which moves into the open position. Return of shutter 4 to the closed position is accelerated by the weight of additional member 18, which weighs down on movable member 16, to which it is connected by hook 22 of rocking body 20.
- Electromechanical actuator 6 may be used to also provide for different flush modes, by appropriately programming control unit 37.
- control unit 37 may be programmed to command full flush, or, depending on the parameter settings, full or partial flush.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
Description
- The present invention relates to a flush tank flush activating device.
- Automatic flush activating devices are known which, as opposed to flushing being controlled by the user operating buttons or levers, feature electromechanical actuators controlled by contact or presence sensors.
- Obviously, devices of this sort require electric current, and so have the major drawback of failing to operate, thus preventing flushing, in the event of power failure.
- Moreover, when different flushing (in particular, full flush and partial flush) modes are required, known automatic devices are fairly complex and expensive, by requiring specially designed component parts, the same flush valves used for conventional mechanical controls normally not being usable.
- It is therefore an object of the present invention to provide a flush tank flush activating device designed to eliminate the aforementioned drawbacks, and which in particular is cheap and easy to produce and of straightforward, reliable operation.
- According to the present invention, there is provided a flush tank flush activating device comprising a flush valve having a movable shutter cooperating with a drain hole; and an electromechanical actuator activated by at least one sensor by means of an electronic control circuit to move the shutter and selectively open and close the flush valve; the device being characterized by comprising a mechanical actuator controlled by a hand-operated button and acting on the shutter independently of the electromechanical actuator.
- The device according to the invention can therefore be operated either automatically, by means of the sensor controlling the electromechanical actuator, or manually, by means of the user-operated control button, thus ensuring flushing even in the event of power failure. Moreover, the device according to the invention is extremely cheap and easy to produce, by employing, among other things, a conventional mechanical flush valve, with no major alterations or design features required.
- A preferred, non-limiting embodiment of the invention will be described purely by way of example with reference to the accompanying drawing, which shows a schematic view, with parts in section and parts removed for clarity, of a flush tank flush activating device in accordance with the invention.
- Number 1 in the accompanying drawing indicates as a whole a device for activating flushing of a known flush tank 2 (not shown in detail for the sake of simplicity) of a sanitary fixture (WC or urinal).
- Device 1 comprises a flush valve 3 having a shutter 4 cooperating with a drain hole 5; an electromechanical actuator 6 activated by at least one
sensor 7 by means of an electronic control circuit 8 to move shutter 4 and selectively open and close flush valve 3; and amechanical actuator 9 controlled by a hand-operatedbutton 10 and acting on shutter 4 independently of electromechanical actuator 6. - Flush valve 3 is substantially known, and is designed to selectively provide two different flush modes, in particular, a full flush mode and a partial flush mode to drain all or part of the water from
tank 2 respectively. For example, flush valve 3 is of the type illustrated in European Patent Application EP-A-1245744, the content of which is included herein by way of reference as required for a clear understanding of the present invention. - While referring the reader to EP-A-1245744 for further details, flush valve 3 substantially comprises a supporting
structure 13 having drain hole 5 at the bottom, and closed at the top by acover 14 having a central through hole; a movable member (overflow tube) 16 fitted at the bottom end with shutter 4 and housed to slide inside supportingstructure 13 and through the hole incover 14; atoroidal float 17 fitted integrally tomovable member 16 and housed inside supportingstructure 13; and a substantially tubularadditional member 18 fitted coaxially and sliding freely aboutmovable member 16 and selectively connectable/disconnectable to/frommovable member 16 byreversible connecting means 19. Reversible connecting means 19 comprise a rockingbody 20 hinged toadditional member 18 and having, at opposite ends, anauxiliary float 21, and ahook 22 for hooking ontomovable member 16; flush valve 3 comprises atie 26 connected integrally to a top end ofmovable member 16, and atie 27 connected integrally toadditional member 18; andties respective end eyes - Shutter 4 is carried by
movable member 16 to selectively assume a closed position and an open position closing and opening drain hole 5 respectively;movable member 16 andfloat 17 are designed to provide a first flush mode; andadditional member 18 is selectively connectable tomovable member 16 to provide a second flush mode. More specifically,float 17 is connected tomovable member 16 to delay return of shutter 4 to the closed position (and so drain all the water from tank 2); andadditional member 18 is connectable tomovable member 16 to accelerate return of shutter 4 to the closed position (and so drain part of the water from the tank). - Electromechanical actuator 6 is substantially known, and comprises a
solenoid valve 32 activated by circuit 8; and apiston device 33, e.g. hydraulically operated, having an axially-sliding piston 34. Pistondevice 33 is fitted, for example, to a top wall orcover 35 oftank 2, andpiston 34 has abottom end 36 connected toeye 29 oftie 27. Circuit 8 comprises a known control unit 37 (e.g. a chip or electronic board) which receives signals fromsensor 7 and, on the basis of stored operating programs, controls operation of electromechanical actuator 6. -
Mechanical actuator 9 comprises asquare lever 38 hinged to asupport 39 fixed to tank 2 (e.g. to the top wall or cover 35).Lever 38 comprises afirst arm 41 connected tobutton 10 by a rotary articulatedjoint 42 and a connectingrod 43; and asecond arm 44 terminating with ahook 45engaging eye 28 oftie 26. - Device 1 also comprises a
control plate 48 fixable (in known manner) to a wall oftank 2 or, in the case of a walled-in orrecessed tank 2, to a wall of the room in whichtank 2 is installed.Plate 48 is fitted withbutton 10 andsensor 7, which, in particular, is a known contact and/or proximity sensor. -
Button 10 is fitted movably - either in rocking or sliding manner - to plate 48 (in the example shown,button 10 is hinged toplate 48 by two pins 49), andsensor 7 is installed in adummy button 50 fitted toplate 48 and adjacent tobutton 10.Button 10 is therefore located apart fromsensor 7; anddummy button 50 supportingsensor 7 is smaller thanbutton 10 and fixed with respect toplate 48. - In actual use,
control unit 37, on the basis of the signals fromsensor 7 and the stored operating programs, controls operation of electromechanical actuator 6 to activate partial drainage of the water fromtank 2. - Operation of electromechanical actuator 6 may be activated, for example, by the
user touching sensor 7, or automatically uponsensor 7 detecting the presence and withdrawal of the user. - Whichever the case, when
control unit 37 activates electromechanical actuator 6, circuit 8 activatessolenoid valve 32 to raisepiston 34 and, therefore, tie 27. As explained in detail in EP-A-1245744, tie 27 pulls upadditional member 18, rocking boxy 20,movable member 16 withfloat 17, and shutter 4, which moves into the open position. Return of shutter 4 to the closed position is accelerated by the weight ofadditional member 18, which weighs down onmovable member 16, to which it is connected byhook 22 of rockingbody 20. - To activate manual flushing (e.g. in the event of electrical power failure to electromechanical actuator 6), the user presses
button 10 to raisetie 26 andmovable member 16, together withfloat 17 and shutter 4, by means oflever 38.Tie 27,additional member 18 and rockingbody 20 remain stationary, and the buoyancy of thewater sustaining float 17 prevents shutter 4 from returning to the closed position until flushing is completed. - Electromechanical actuator 6 may be used to also provide for different flush modes, by appropriately
programming control unit 37. For example,control unit 37 may be programmed to command full flush, or, depending on the parameter settings, full or partial flush.
Claims (8)
- A flush tank flush activating device (1) comprising a flush valve (3) having a movable shutter (4) cooperating with a drain hole (5); and an electromechanical actuator (6) activated by at least one sensor (7) by means of an electronic control circuit (8) to move the shutter and selectively open and close the flush valve; the device being characterized by comprising a mechanical actuator (9) controlled by a hand-operated button (10) and acting on the shutter (4) independently of the electromechanical actuator (6).
- A device as claimed in Claim 1, characterized in that said button (10) is located apart from said sensor (7).
- A device as claimed in Claim 1 or 2, characterized by comprising a control plate (48) supporting said button (10) and said sensor (7).
- A device as claimed in one of the foregoing Claims, characterized in that said sensor (7) is a contact and/or proximity sensor.
- A device as claimed in one of the foregoing Claims, characterized in that said button (10) is fitted movably, either in rocking or sliding manner, to the plate (48), and said sensor (7) is installed in a dummy button (50) fitted to the plate and adjacent to the button.
- A device as claimed in one of the foregoing Claims, characterized in that said flush valve (3) is designed to selectively provide two different flush modes; the mechanical actuator (9) and the electromechanical actuator (6) acting on respective ties (26, 27) of the flush valve (3) so as each to activate a respective flush mode.
- A device as claimed in one of the foregoing Claims, characterized in that said flush valve (3) comprises a movable member (16) fitted with the shutter (4) and designed to provide a first flush mode; and an additional member (18) selectively connectable to the movable member (16) to provide a second flush mode; the mechanical actuator (9) and the electromechanical actuator (6) acting on respective ties (26, 27) connected to the movable member (16) and to the additional member (18) respectively.
- A device as claimed in one of the foregoing Claims, characterized in that said flush valve (3) is designed to provide selectively for full flush and partial flush; said button (10) activates the full flush by means of said mechanical actuator (9); and said sensor (7) activates partial flush by means of said electromechanical actuator (6).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI20041045 ITMI20041045A1 (en) | 2004-05-25 | 2004-05-25 | DRAIN DRIVE DEVICE IN A RINSE BOX |
ITMI20041045 | 2004-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1602788A1 true EP1602788A1 (en) | 2005-12-07 |
Family
ID=34939949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05104389A Withdrawn EP1602788A1 (en) | 2004-05-25 | 2005-05-24 | Device for activating a flush tank drain valve assembly |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1602788A1 (en) |
IT (1) | ITMI20041045A1 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1916344A3 (en) * | 2006-10-17 | 2009-12-30 | VIEGA GmbH & Co. KG. | Actuation device for the drain valve of a bathroom cistern |
EP2199472A2 (en) * | 2008-12-17 | 2010-06-23 | Ifö Sanitär AB | Device and method for flushing a toilet |
EP2775048A1 (en) * | 2013-03-06 | 2014-09-10 | Sanitärtechnik Eisenberg GmbH | Kit comprising a basic drainage body and a plurality of different actuation modules |
CN104863225A (en) * | 2015-04-27 | 2015-08-26 | 彭东 | Drain valve device controlled based on capacitance variation induction signal |
CN106499028A (en) * | 2016-12-26 | 2017-03-15 | 阜阳师范学院 | A kind of lavatory is combined flushometer |
EP3486382A1 (en) * | 2017-11-15 | 2019-05-22 | Geberit International AG | Actuation device for a sanitary device |
CN110042897A (en) * | 2019-04-17 | 2019-07-23 | 福建省博亿水暖科技有限公司 | Induction type automatic flushing cistern |
EP3882408A1 (en) * | 2020-03-19 | 2021-09-22 | Villeroy & Boch AG | Rinsing and pre-rinsing system and retrofit set for a sanitary device, method for rinsing and pre-rinsing a sanitary device and sanitary device equipped with such a rinsing and pre-rinsing system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001025553A1 (en) * | 1999-10-06 | 2001-04-12 | Geberit Technik Ag | Contactless flushing device for a toilet arrangement |
EP1156166A2 (en) * | 2000-05-18 | 2001-11-21 | Geberit Technik Ag | Cistern for a toilet and method for actuation of such a cistern |
WO2002046541A1 (en) * | 2000-12-06 | 2002-06-13 | Geberit Technik Ag | Contactless rinsing device for a wc system and method for contactless rinsing of a wc system |
EP1258569A2 (en) * | 2001-05-16 | 2002-11-20 | VALSIR S.p.A. | Modular system for forming lavatory flush tanks with different operating modes, and lavatory flush tank forming part of such a modular system |
-
2004
- 2004-05-25 IT ITMI20041045 patent/ITMI20041045A1/en unknown
-
2005
- 2005-05-24 EP EP05104389A patent/EP1602788A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001025553A1 (en) * | 1999-10-06 | 2001-04-12 | Geberit Technik Ag | Contactless flushing device for a toilet arrangement |
EP1156166A2 (en) * | 2000-05-18 | 2001-11-21 | Geberit Technik Ag | Cistern for a toilet and method for actuation of such a cistern |
WO2002046541A1 (en) * | 2000-12-06 | 2002-06-13 | Geberit Technik Ag | Contactless rinsing device for a wc system and method for contactless rinsing of a wc system |
EP1258569A2 (en) * | 2001-05-16 | 2002-11-20 | VALSIR S.p.A. | Modular system for forming lavatory flush tanks with different operating modes, and lavatory flush tank forming part of such a modular system |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1916344A3 (en) * | 2006-10-17 | 2009-12-30 | VIEGA GmbH & Co. KG. | Actuation device for the drain valve of a bathroom cistern |
EP2199472A2 (en) * | 2008-12-17 | 2010-06-23 | Ifö Sanitär AB | Device and method for flushing a toilet |
EP2199472A3 (en) * | 2008-12-17 | 2011-01-05 | Ifö Sanitär AB | Device and method for flushing a toilet |
EP2775048A1 (en) * | 2013-03-06 | 2014-09-10 | Sanitärtechnik Eisenberg GmbH | Kit comprising a basic drainage body and a plurality of different actuation modules |
CN104863225A (en) * | 2015-04-27 | 2015-08-26 | 彭东 | Drain valve device controlled based on capacitance variation induction signal |
CN106499028A (en) * | 2016-12-26 | 2017-03-15 | 阜阳师范学院 | A kind of lavatory is combined flushometer |
EP3486382A1 (en) * | 2017-11-15 | 2019-05-22 | Geberit International AG | Actuation device for a sanitary device |
US10697163B2 (en) | 2017-11-15 | 2020-06-30 | Geberit International Ag | Actuating device |
CN110042897A (en) * | 2019-04-17 | 2019-07-23 | 福建省博亿水暖科技有限公司 | Induction type automatic flushing cistern |
EP3882408A1 (en) * | 2020-03-19 | 2021-09-22 | Villeroy & Boch AG | Rinsing and pre-rinsing system and retrofit set for a sanitary device, method for rinsing and pre-rinsing a sanitary device and sanitary device equipped with such a rinsing and pre-rinsing system |
Also Published As
Publication number | Publication date |
---|---|
ITMI20041045A1 (en) | 2004-08-25 |
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