EP3526412B1 - Dispositif d'actionnement d'une soupape de vidange d'un réservoir de chasse d'eau - Google Patents

Dispositif d'actionnement d'une soupape de vidange d'un réservoir de chasse d'eau Download PDF

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Publication number
EP3526412B1
EP3526412B1 EP17761802.2A EP17761802A EP3526412B1 EP 3526412 B1 EP3526412 B1 EP 3526412B1 EP 17761802 A EP17761802 A EP 17761802A EP 3526412 B1 EP3526412 B1 EP 3526412B1
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EP
European Patent Office
Prior art keywords
pushbutton
housing
rotary
control
valve
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
EP17761802.2A
Other languages
German (de)
English (en)
Other versions
EP3526412A1 (fr
Inventor
Jürgen Burkhardt
Christian Koch
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.)
Grohedahl Sanitarsysteme GmbH
Grohedal Sanitaersysteme GmbH
Original Assignee
Grohedahl Sanitarsysteme GmbH
Grohedal Sanitaersysteme GmbH
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 DE102016010335.3A external-priority patent/DE102016010335A1/de
Priority claimed from DE102017005959.4A external-priority patent/DE102017005959A1/de
Application filed by Grohedahl Sanitarsysteme GmbH, Grohedal Sanitaersysteme GmbH filed Critical Grohedahl Sanitarsysteme GmbH
Publication of EP3526412A1 publication Critical patent/EP3526412A1/fr
Application granted granted Critical
Publication of EP3526412B1 publication Critical patent/EP3526412B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • E03D1/142—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves in cisterns with flushing 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
    • 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
    • E03D5/024—Operated hydraulically or pneumatically

Definitions

  • the invention relates to a device for actuating a drain valve of a toilet cistern according to the preamble of patent claim 1.
  • a generic device is described in the patent US4809367 .
  • a toilet cistern has a filling valve connected to the water supply network and a drain valve.
  • the toilet cistern can be filled with water to a specified level.
  • the drain valve is usually made up of a drain nozzle mounted on the bottom of the cistern and an overflow pipe that can be adjusted in stroke. In its closed position, the overflow pipe closes a flow passage through the drain connection.
  • the overflow pipe By pressing a pushbutton on the user side, the overflow pipe can be lifted into its open position, in which a quantity of flush water can flow out of the drain connection of the toilet cistern.
  • the push button is in operative connection with the overflow pipe via a mechanical linkage.
  • a drain fitting is known in which the push button is not connected to the overflow pipe via a mechanical linkage, but via a pneumatic system.
  • the pneumatic system has a first bellows positioned on the push button, which is connected via a pneumatic line to a second bellows positioned on the overflow pipe.
  • the push button is pressed, the first bellows is compressed and an overpressure is thus generated, which can be applied to the second bellows.
  • the overpressure is applied, the second bellows expands, whereby the overflow pipe is moved into its open position.
  • the above pneumatic system is both space-consuming and component-intensive.
  • the implementation of the pneumatic system is therefore associated with high costs and is complex to carry out in terms of assembly.
  • From the publication US6425145B1 a push button from the pamphlet DE2608166 a fluid control system and from the document WO2006 / 012650A1 a cistern arrangement known.
  • the object of the invention is to provide a device for actuating a drain valve of a toilet cistern which, compared to the prior art, can be implemented in a reduced space and in components.
  • the device has at least one control valve which can be actuated with the pushbutton and is arranged in a control line connected to a water supply network.
  • a water volume flow can be set, with which the drain valve can be controlled.
  • a bellows can be dispensed with in the pneumatic system, which bellows adjusts the stroke of the overflow pipe when overpressure is applied.
  • the pneumatic system according to the invention has precisely one pneumatic actuator which can be subjected to a negative pressure to adjust the stroke of the overflow pipe.
  • the device has a negative pressure unit which is fluidically connected to the pneumatic actuator. When activated by the user, the negative pressure unit generates negative pressure acting on the pneumatic actuator in order to adjust the stroke of the overflow pipe.
  • the pneumatic system can be implemented as a bellows, a piston-cylinder unit or as a diaphragm lift system.
  • the membrane lifting system can, for example, have at least one working chamber which can be acted upon by negative pressure and which is delimited by a deformable membrane.
  • the deformable membrane can be connected to the overflow pipe. When the working chamber is subjected to negative pressure, the membrane can deform and the overflow pipe can be adjusted in stroke accordingly.
  • the pneumatic actuator can be a bellows, which contracts like an accordion when a negative pressure is applied and, when the negative pressure is released, pulls apart (that is, expands) like an accordion.
  • the vacuum unit carries water, i.e. a vacuum nozzle or a water jet pump.
  • the vacuum nozzle / water jet pump can be connected to the pneumatic actuator via a vacuum line. Since the vacuum nozzle / water jet pump carries water, air is sucked out of the pneumatic actuator, i.e. a negative pressure is generated in the pneumatic actuator.
  • the above water-carrying negative pressure unit can have a throttle point with a flow cross-section constriction between its water inlet side and its water outlet side in the manner of a Venturi nozzle.
  • the vacuum line can preferably open into the flow channel of the vacuum unit at the throttle point.
  • the pneumatic actuator (that is, for example, the bellows) can be arranged in the vertical direction of the drain fitting, in particular in alignment above the overflow pipe.
  • the pneumatic actuator can preferably be connected to the overflow pipe via a rigid connecting element which, for example, coaxially extends the overflow pipe upwards.
  • the vacuum unit can be arranged in particular in alignment above the pneumatic actuator, whereby a particularly space-saving design of the pneumatic system is achieved.
  • the water-carrying negative pressure unit is connected on its water inlet side to a control line which can be connected to the water supply network.
  • the control line can preferably come from a supply line leading to a filling valve of the toilet cistern branch off.
  • the line pressure which is already present, is used to generate the negative pressure in the negative pressure unit without the need for additional external energy (for example, pressure actuation by the user or electrical energy).
  • the water-carrying negative pressure unit can open with its water outlet side directly into the interior of the toilet cistern.
  • the above variant is particularly advantageous for a toilet repair measure in which the water supply line to the toilet cistern is shut off at a corner valve in preparation.
  • the water supply to the toilet cistern and to the vacuum unit is interrupted.
  • the fitter In the case of a conventional toilet cistern, in which the push button is connected to the drain valve via a mechanical linkage, the fitter must empty the toilet cistern before starting the repair in order to prevent water from leaking out of the toilet cistern if the push button is unintentionally operated .
  • such a preventive emptying of the toilet cistern can be omitted for the following reason: Because of the angle valve shut-off, no water can be passed through the control line, so that the negative pressure unit cannot generate negative pressure. The drain valve thus remains reliably closed even if the push button is unintentionally actuated.
  • the vacuum unit can be activated by the user.
  • a control valve that can be actuated by the user is arranged in the control line leading to the negative pressure unit, that is to say upstream of the water-carrying negative pressure unit.
  • the control valve is a time-controlled actuation valve, for example a so-called self-closing valve.
  • the control valve has a control piston which can be stroke-adjustable in a valve housing.
  • the control piston is adjusted by means of at least one pushbutton that can be operated by the user.
  • the control piston In its non-actuated position, the control piston is spring-loaded into a closed position, in which a control piston valve plate is in sealing contact with a valve seat fixed to the housing and a flow path through the control valve is thereby closed.
  • the push button is pressed over a stroke of the key
  • the control piston is moved into its open position against the spring preload force.
  • the flow path through the control valve is released, so that water flows through the water-bearing negative pressure unit.
  • the control piston is returned to its closed position via a return stroke under the action of the spring preloading force.
  • the length of the above key stroke of the push button correlates with a reset time interval within which the control piston is returned to its closed position after the push button has been released.
  • the water-carrying negative pressure unit is traversed by the water volume flow and a negative pressure is generated which acts on the pneumatic actuator.
  • the length of the key stroke has a direct influence on the amount of flush water flowing out of the toilet cistern.
  • the user-operated push button can be assigned a stroke adjusting member that sets the maximum key stroke of the push button and thus also the reset time interval.
  • the drain fitting can have a first push button, when actuated a large amount of flush water flows out of the toilet cistern, and a second push button, when actuated a small amount of flush water from the toilet cistern emanates.
  • the user can determine the amount of flush water.
  • the two pushbuttons can be connected to the control piston in a force-transmitting manner, in particular for example with the interposition of a cross member, in such a way that the second pushbutton remains in its rest position when the first pushbutton is pressed.
  • the key stroke covered by one of the pushbuttons is thus identical to the piston stroke covered by the control piston.
  • each of the two pushbuttons is assigned a stroke adjustment member, with the aid of which the maximum possible stroke travel of the first and second pushbuttons can be set independently of one another. With such a control valve, different amounts of flushing water can be set variably.
  • the pushbutton described above can only be actuated by pressure, i.e. it is only arranged in the pushbutton housing so that it can be lifted parallel to the axis of the housing.
  • the pushbutton can be designed as a rotary pushbutton which can be actuated by pressing and rotating and with which the desired flushing quantity can be varied in a simple manner of operation.
  • the rotary pushbutton is designed in such a way that the available key travel can be varied or set when it is turned.
  • the drain valve can be adjusted to the open position in order to drain the set flush volume.
  • the rotary actuation and the pressure actuation of the rotary pushbutton can take place one after the other.
  • the user first sets the available key travel (i.e. the desired flush volume) by turning the button and starts flushing in a subsequent operating step by pressing the button.
  • the desired flush volume can be set between a minimum and maximum volume using a simple operating philosophy (i.e. between 1 liter and 9 liters, for example).
  • the rotary actuator and the pressure actuation also take place simultaneously, that is to say carried out superimposed on one another.
  • the at least one stroke adjusting element can be rotatably coupled to the rotary pushbutton.
  • the stroke adjusting member In a non-pressure-actuated rest position of the rotary pushbutton, the stroke adjusting member can be spaced from a rotationally fixed control contour by the stroke of the button.
  • the stroke adjustment member strikes the non-rotatable control contour, using up the stroke of the button.
  • the rotary pushbutton can be mounted in a button housing that can be non-rotatably mounted on a building wall so that it can rotate about a housing axis and be adjustable in stroke.
  • the non-rotatable control contour can be formed directly in the button housing.
  • the button housing can preferably be designed as a hollow cylinder, the rotary push button being able to be arranged within the hollow cylindrical button housing.
  • the button housing can, for example, be mounted on a decorative panel that can be fastened to the wall via a latching connection.
  • the rotary pushbutton can be arranged radially within the hollow cylindrical button housing.
  • Its stroke adjustment member can be implemented as a control cam which can, for example, protrude radially outward, specifically in a sliding block guide fixed to the housing, which is designed, for example, on the inside of the hollow cylindrical button housing.
  • Rotary pushbutton When the rotary pushbutton is actuated by pressure, the control cam of the stroke adjusting member that is rotatably coupled to the rotary pushbutton can strike against the rotationally fixed control contour of the sliding block guide fixed to the housing.
  • An axial movement, i.e. a stroke movement, des Rotary pushbutton can in this case be defined between the non-rotatable control contour and an axial stop, axially spaced therefrom, of the sliding block guide fixed to the housing.
  • a rotary movement of the push button can be limited by means of circumferential rotary stops of the link guide.
  • the control cam i.e. the stroke adjusting member rotatably coupled to the rotary pushbutton, with a first stop surface under the action of the spring preload against the axial stop
  • the control cam is released from the axial stop of the sliding block guide fixed to the housing and strikes the latter with a second stop surface against the control contour of the sliding block guide fixed to the housing.
  • the circumferential rotary stops of the sliding block guide fixed to the housing also span an angle of rotation by which the rotary pushbutton can be maximally actuated in rotation.
  • the axial stop of the sliding block guide fixed to the housing can have a contact surface which interacts with the control cam of the stroke adjustment element and which lies completely in a transverse plane at right angles to the housing axis.
  • the contact surface of the control contour fixed to the housing which interacts with the control cam of the stroke adjustment member, can adopt an arbitrarily adapted circumferential profile in order to provide different sized key stroke paths depending on the rotary position of the rotary push button.
  • the contact surface of the control contour fixed to the housing can lie continuously in an inclined plane to the housing axis. In this case, the contact surface of the control contour fixed to the housing extends steplessly and smoothly in the circumferential direction.
  • the contact surface of the control contour fixed to the housing can have stepped or offset partial surfaces in the axial direction.
  • the contact surface of the control contour can have one or more elevations that can be perceived as pressure points that can be rotated by the user when the rotary pushbutton is actuated in a rotary manner. In this way, different rotary positions of the rotary pushbutton can be perceived haptically by the user. In the case of a control contour with several elevations, the intermediate areas delimited by the elevations can be perceived as segmentations.
  • the contact surface of the axial stop fixed to the housing can have at least one surface structure, for example an elevation or depression.
  • the elevation / depression can be haptically and / or acoustically perceptible as a pressure point that can be turned over by the user.
  • the user can perceive at least one segmentation when the axial stop fixed to the housing is implemented with several elevations / depressions.
  • a button carrier part can be mounted within the hollow cylindrical button housing so as to be rotatable and adjustable in stroke.
  • the pushbutton carrier part can be designed approximately in the form of a disk, a visible cap of the rotary pushbutton being mounted on it in a rotationally fixed manner.
  • the control piston can be mounted to transmit pressure force and to be non-rotatable or also rotatably decoupled. With regard to the smoothest possible rotary actuation of the rotary pushbutton, it is preferred if there is a rotary decoupling between the button carrier part and the control piston.
  • the above-mentioned stroke adjusting member ie the control cam
  • the rotary pushbutton in particular its button carrier part, and the button housing in which the rotary pushbutton is rotatably and stroke-adjustable can have interacting elevations and / or depressions.
  • these can each be perceptible haptically and / or acoustically as a pressure point that can be rotated by the user. If necessary, several elevations / depressions can be perceptible by the user as at least one segmentation.
  • FIG. 1 a waste set installed in a toilet cistern 1 with an associated pneumatic system 21 is shown.
  • the drain fitting has a drain connection 5 on the cistern floor 3, which is in flow connection with a toilet bowl in a manner not shown.
  • the drain connection 5 is located with a radially expanded circumferential annular shoulder 7 ( Fig. 7 ) on the opening edge area of a bottom outlet opening of the cistern floor 3.
  • the annular shoulder 7 of the outlet connection 5 is extended upwards with a circumferential housing wall 9 molded on it, in which the flow openings 11 ( Fig. 1 or 7th ) are formed, which are evenly distributed in the circumferential direction.
  • a stroke-adjustable overflow pipe 13 Radially inside and coaxially to the housing wall 9 is a stroke-adjustable overflow pipe 13, which with its radially outer Valve disk 15 ( Fig. 1 or 7th ) rests liquid-tight on a valve seat 17 formed on the annular shoulder 7.
  • the circulating pipe 13 forms together with the drain connection 5 a drain valve 19, which can be actuated via the pneumatic system 21 of push buttons 23, 25, which in the Fig. 1 are delimited by a decorative plate 24 and are installed in a building wall 28.
  • the pushbuttons 23, 25 When the pushbuttons 23, 25 are pressed, the circulation pipe 13 is moved by means of the pneumatic system 21 from one in the Figure 1 shown closed position into an open position ( Figures 6 and 7 ) stroke adjusted.
  • a filling valve 27 is also installed in the toilet cistern 1, with which the toilet cistern 1 is filled with water up to a predetermined level.
  • the filling valve 27 is connected on the inlet side to a supply line 29 leading to the water supply network.
  • the filling valve 27 is controlled by means of a float 32, which is arranged on an inlet pipe 34 so as to be adjustable in height.
  • the pneumatic system 21 has a bellows as the pneumatic actuator 31 and a vacuum nozzle 33 as the negative pressure unit.
  • the vacuum nozzle 33 is constructed in the manner of a Venturi nozzle and is connected on the inlet side to a control line 35 which branches off from the supply line 29.
  • a control valve 43 is arranged in the control line 35 and can be actuated via the pushbuttons 23, 25 which can be operated by the user.
  • a water flow path from the supply network to the vacuum nozzle 33 is opened in the control valve 43 and this is connected to a water volume flow ⁇ ( Fig. 3 or 6th ) flows through. In this way, a negative pressure is generated in the negative pressure line 37, with which the bellows 31 is drawn together.
  • the vacuum nozzle 33 opens into the interior of the toilet cistern 1.
  • the vacuum nozzle 33 has a throttle point with a flow cross-sectional constriction between its water inlet and water outlet side, at which a vacuum line 37 opens into the nozzle channel of the vacuum nozzle 33.
  • the vacuum nozzle 33 and the bellows 31 are below Formation of a unit B ( Fig. 2 ) directly connected to each other.
  • the vacuum nozzle 33 in the Figure 2 a connection piece 39 through which the vacuum line 37 leads.
  • a pipe extension 41 of the bellows 31 is pushed onto the connecting piece 39 of the vacuum nozzle 33 and optionally fixed to it by means of a fastening clip, not shown.
  • the bellows 31 is in the Fig. 2 with its bellows base 45 facing away from the pipe extension 41 is coupled to a connecting rod 47 which in turn is fastened to the upper end of the overflow pipe 13.
  • control valve 43 shown together with a button housing 49, in which the two push buttons 23, 25 are arranged also forms a structural unit.
  • the control valve 43 has a control piston 53 which can be stroke-adjustable in a valve housing 51.
  • the control piston 53 is connected to the two pushbuttons 23, 25 in a force-transmitting manner with the interposition of a cross member 55.
  • the control piston 53 In the, in the Figure 3 In the non-use position shown, the control piston 53 is spring-preloaded into a closed position by means of a spiral spring 57.
  • the closed position shown is the control piston 53 with its valve plate 59 in sealing contact with a valve seat 61 fixed to the housing, whereby the flow path through the control valve 43 is closed.
  • the first and second pushbuttons 23, 25 can be adjusted into an open position over the maximum possible key travel h 1 , h 2 against the spring preload force generated by the spiral spring 57 ( Figure 4 or 5 ). In the open position, the flow path through the control valve 43 is released. When the pressure of the respective pressed pushbutton 23, 25 is released, the pushbutton 23, 25 is returned to its closed position under the action of the spring biasing force of the spiral spring 57.
  • the control valve 43 has two stroke adjusting members 63, 65 which are arranged in the button housing 49 so as to be adjustable in one stroke direction.
  • Each of the stroke adjustment members 63, 65 is assigned to one of the pushbuttons 23, 25.
  • the stroke adjustment members 63, 65 act as depth stops which limit the stroke path of the respective pushbutton 23, 25.
  • the control piston 53 When the pushbutton is released after the pushbutton has been actuated, the control piston 53 automatically returns to its closed position under the action of a spring force, specifically within a reset time interval. Within the reset time interval, the flow path through the control valve 43 remains open, so that a water volume flow ⁇ continues to be passed through the vacuum nozzle 33 and a negative pressure is thereby generated.
  • the length of the reset time interval correlates with a key travel length. This means that with a long key stroke length, the resetting of the pushbutton 23, 25 takes longer than with a shorter key stroke length.
  • a larger amount of flush water can flow out of the toilet cistern 1 than with a smaller key stroke length.
  • each of the pushbuttons 23, 25 can be assigned its own amount of flushing water flowing out of the toilet cistern 1. For example, when the first push button 23 is actuated, a small amount of flush water can flow out of the toilet cistern 1. In contrast, when the second pushbutton 25 is actuated, a larger amount of flush water can flow out of the toilet cistern 1.
  • the bellows 31 is positioned in the vertical direction of the drain fitting in alignment above the overflow pipe 13.
  • the vacuum nozzle 33 is also positioned approximately in alignment above the bellows 31.
  • FIG. 8 a further development of the pneumatic system 21 shown in the previous figures is shown.
  • the bellows guide 67 has a hollow-cylindrical, cup-like bellows housing 69 which is designed to be rotationally symmetrical with respect to a housing axis G and which is fastened to the vacuum nozzle 33 with its pot bottom 71.
  • guide channels 73 are formed, in which guide pins 75 are guided axially parallel to the housing axis G.
  • the guide pins 75 are fastened to the connecting rod 47 via transverse webs 77.
  • an additional third pushbutton 26 is provided which, together with the two other pushbuttons 23, 25, is bounded by the decorative plate 30.
  • the third pushbutton 26 is pressed, an average amount of flush water can flow out of the toilet cistern 1.
  • the third pushbutton 26, like the two other pushbuttons 23, 25, transmits force with the interposition of the cross member 55 in connection with the control piston 53.
  • the third pushbutton 26 is also assigned a stroke setting element, not shown, with which the maximum possible stroke of the third Push button 26 is adjustable.
  • each of the Hubeinstellglieder an adjusting wheel 79 is assigned, which can be rotated by the user.
  • the respectively assigned stroke adjusting element can be adjusted by means of a rotary actuation.
  • FIG. 11 to 17 Another embodiment is shown in which the pushbuttons 23, 25, 26 are replaced by a single rotary pushbutton 81, which in the Figure 11 is bordered by the decorative panel 24 and in the building wall ( Figure 1 ) can be installed.
  • the rotary push button 81 can be actuated both by pressure and by rotation.
  • the drain valve 19 When the key is pressed by a key travel h 3 ( Figure 13 ) the drain valve 19 ( Figure 1 ) moved into its open position.
  • the rotary pushbutton 81 has a visible cap 83 ( Figures 12 to 14 ), which is non-rotatably mounted on the top of a disk-shaped button support part 85.
  • the control piston 53 is screwed with its upper piston end to the button carrier part 85.
  • the control piston 53 is coaxial to the housing axis G ( Fig. 12 or 13 ) through an upper valve housing part 87 ( Fig. 13 or 14 ) of the control valve 43 and with its valve plate 59 in sealing contact with the valve seat 61 fixed to the housing, as shown in the Fig. 13 emerges. In the in the Fig. 13 The state shown, the flow path through the control valve 43 is closed.
  • the valve housing part 87 is in the Figure 13 non-rotatably mounted on an underside of the button housing 49.
  • the button housing 49 is according to the Figure 16 executed approximately as a hollow cylinder, with a step-like upward widening cylinder wall, in which according to the Figure 16 a total of four evenly circumferentially distributed receiving pockets 89 are formed. These are in the Figure 12 or 13 in latching connection with corresponding latching tabs 91 of the decorative plate 24.
  • the cap 83, the button carrier part 85 and the control piston 53 form a unit B which is movement-coupled in the stroke direction ( Fig. 13 ) in the Figure 13 via the spiral spring 57 upwards against an axial stop 93 (e.g. Fig. 12 or 16 ) is spring-loaded in the button housing 49.
  • the lower spring base of the spiral spring 57 is supported on the outside of the valve housing part 87, which is fixed to the housing, and its upper spring base is supported against the button carrier part 85 with a rotary decoupling disk 106 interposed.
  • the two stroke adjustment members 95 are not installed as separate elements in the button housing 49, but rather, it is rotatably coupled to the rotary pushbutton 81.
  • the stroke adjustment members 95 are in the present case implemented as two control cams diametrically opposite with respect to the housing axis G.
  • Each of the control cams 95 is in engagement with window-like link guides 97, which are formed in the cylinder wall of the button housing 49.
  • Each of the link guides 97 is approximately wedge-shaped when viewed in the circumferential direction (e.g. Fig. 12 ) and formed with the above-mentioned axial stop 93 and with a control contour 99 which define a stroke in the axial direction.
  • each of the link guides 97 has rotary stops 101 lying opposite on the circumferential side, which define a maximum angle of rotation of the rotary pushbutton 81.
  • the rotary pushbutton 81 is shown in a non-pressure-actuated rest position. It can be seen from this that the control cam 95 has an upwardly facing first stop surface 102 ( Fig. 17 ) is pressed against the upper axial stop 93 of the sliding block guide 97 fixed to the housing under the effect of the spring preload force of the spiral spring 57. In this non-pressure-actuated rest position of the rotary pushbutton 81 ( Figure 12 ) the control cam 95 is spaced from the control contour 99 of the link guide 97 fixed to the housing by the key stroke h 3 .
  • control cam 95 When the rotary pushbutton 81 is pressed, the control cam 95 is released with its first stop surface 102 from the axial stop 93 of the link guide 97 and the control cam 95 comes with its second stop surface 103 ( Fig. 17 ) in contact with the corresponding contact surface 105 ( Fig. 16 ) the control contour 99 of the sliding block guide 97 fixed to the housing.
  • the axial stop 93 of the sliding block guide 97 fixed to the housing lies with its contact surface in a transverse plane Q at right angles to the housing axis G.
  • Opposite is the contact surface 105 ( Fig. 16 ) the control contour 99 in an inclined inclined plane S ( Figure 12 ), the contact surface 105 of the control contour 99 extending smoothly and without steps in the circumferential direction.
  • the available key travel h 3 can be varied simply by turning the rotary pushbutton 81, starting from a minimum key travel h 3 , as shown in FIG Figure 12 is provided.
  • the control cam 95 is displaced in the direction of the opposite rotary stop 101, as a result of which the available key stroke h 3 increases to a maximum value.

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

Claims (13)

  1. Dispositif, destiné à actionner une soupape de vidange (19) d'un réservoir de chasse-d'eau (1), pourvu d'au moins un bouton-poussoir (23 25, 26 ; 81), lors de l'actionnement manuel en pression duquel la soupape de vidange (19) est réglée dans une position d'ouverture dans laquelle un volume d'eau de rinçage est susceptible de s'écouler hors de la tubulure d'écoulement (5) du réservoir de chasse-d'eau (1), le dispositif comportant au moins une soupape de commande (43) qui est susceptible d'être actionnée à l'aide du bouton-poussoir (23, 25, 26 ; 81) et qui est placée dans une conduite de commande (35) connectée sur un réseau d'alimentation d'eau, lors de l'actionnement manuel en pression du bouton-poussoir (23, 25, 26 ; 81) au moyen de la soupape de commande (43), un flux volumétrique d'eau (m) étant réglable, à l'aide duquel la soupape de vidange (19) est activable, la soupape de commande (43) comportant un piston de commande (53) ajustable en course dans un corps de soupape (51), qui est ajustable au moyen d'au moins un bouton-poussoir (23, 25, 26 ; 81) susceptible d'être commandé par l'utilisateur et qui est précontraint par ressort dans une position de fermeture dans laquelle un disque de soupape de piston de commande (59) est en appui d'étanchéité avec un siège de soupape (61) fixe sur le corps et ferme un trajet d'écoulement à travers la soupape de commande (43) et lequel piston de commande (53), lors d'un actionnement en pression du bouton-poussoir (23, 25, 26 ; 81) est réglé sur une course du poussoir (h1, h2 ; h3) à l'encontre de la force de précontrainte du ressort dans sa position d'ouverture dans laquelle le trajet d'écoulement à travers la soupape de commande (43) est libéré, et lors d'un relâchement de la pression exercée sur le bouton-poussoir (23, 25, 26 ; 81), sous l'effet de la force de précontrainte du ressort est ramené dans sa position de fermeture, caractérisé en ce que le dispositif comporte par ailleurs une unité de dépression (33) et en ce que la longueur de la course du poussoir (h1, h2 ; h3) est en corrélation avec la longueur d'un intervalle temporaire de rappel à l'intérieur duquel, après une décharge du bouton-poussoir, le piston de commande (53) est rappelé dans sa position de fermeture, à l'intérieur de l'intervalle temporaire de rappel, l'unité de dépression (33) étant traversée par le débit volumétrique d'eau (m) et une dépression étant générée.
  2. Dispositif selon la revendication 1, caractérisé en ce qu'au bouton-poussoir (23, 25, 26 ; 81) susceptible d'être commandé par l'utilisateur de la soupape de commande (43) est associé un élément de réglage de la course (63, 65 ; 95), à l'aide duquel une course maximale possible du poussoir (h1, h2 ; h3) du bouton-poussoir (23, 25, 26 ; 81) et ainsi l'intervalle temporaire de rappel est réglable.
  3. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'au moins un premier bouton-poussoir (23), lors de l'actionnement duquel un petit volume d'eau de rinçage s'écoule hors du réservoir de chasse-d'eau (1) et un deuxième bouton-poussoir (25) est mis à disposition, lors de l'actionnement duquel un grand volume d'eau de rinçage s'écoule hors du réservoir de chasse-d'eau (1) et en ce que notamment un troisième bouton-poussoir (26) est mis à disposition, lors de l'actionnement duquel un volume d'eau de rinçage moyen s'écoule hors du réservoir de chasse-d'eau (1).
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la soupape de vidange (19) est constituée d'une tubulure d'écoulement (S) montée sur la chasse-d'eau (1) et d'un tuyau de trop-plein (13) à course réglable, qui dans sa position de fermeture ferme un passage d'écoulement à travers la tubulure d'écoulement (5) et en ce que notamment le tuyau de trop-plein (13) coopère avec un actionneur pneumatique (31) à l'aide duquel, lorsqu'il est exposé à une pression, le tuyau de trop-plein (13) est réglable dans sa position d'ouverture dans laquelle le volume d'eau de rinçage est susceptible de s'écouler hors de la tubulure d'écoulement (5) du réservoir de chasse-d'eau (1) et en ce que notamment pour l'ajustage de la course du tuyau de trop-plein (13), l'actionneur pneumatique (31) peut être exposé à une dépression, et en ce que l'unité de dépression (33) conduisant de l'eau est reliée avec l'actionneur pneumatique (31) et lorsqu'elle est activée par l'utilisateur, génère une dépression qui agit sur l'actionneur pneumatique (31).
  5. Dispositif selon la revendication 4, caractérisé en ce que l'actionneur pneumatique (31) est réalisé sous la forme d'un soufflet, d'une unité piston/cylindre ou d'un système de levage à membrane, le système de levage à membrane comportant au moins une chambre de travail susceptible d'être exposée à une dépression, qui est délimitée par une membrane déformable, qui est en liaison avec le tuyau de trop-plein (13), et en ce que notamment l'unité de dépression (33) est une buse à vide ou une trompe à eau susceptible d'être traversée par de l'eau, qui par une conduite de dépression (37) est reliée avec l'actionneur pneumatique (31) et en ce que lorsque la buse à vide (33) ou la trompe à eau est traversée par de l'eau, de l'air peut être aspiré hors de l'actionneur pneumatique (31).
  6. Dispositif selon l'une quelconque des revendications 4 ou 5, caractérisé en ce que lorsqu'il est exposé à une dépression, l'actionneur pneumatique (31) se contracte dans une direction de course, à savoir sous réglage de la course du tuyau de trop-plein (13) dans sa position d'ouverture, et en ce que lors d'un relâchement de la pression, l'actionneur pneumatique (31) s'écarte, sous réglage de la course du tuyau de trop-plein (13) dans sa position de fermeture, ainsi que notamment sous l'effet de la gravité.
  7. Dispositif selon l'une quelconque des revendications 1 ou 2, caractérisé en ce que le bouton-poussoir est un bouton-poussoir rotatif (81), actionnable en pression et en rotation et en ce que lors de l'actionnement en pression du bouton-poussoir rotatif (81), la soupape de vidange (19) est ajustable dans la position d'ouverture et lors de son actionnement en rotation, la course du poussoir (h3) est variable ou réglable.
  8. Dispositif selon la revendication 7, si elle dépend de la revendication 2, caractérisé en ce que pour le réglage de la course du poussoir (h3), l'élément de réglage de la course (95) est couplé en rotation avec le bouton-poussoir rotatif (81), et en ce que lorsque le bouton-poussoir rotatif (81) se trouve dans une position de repos non soumise à pression, l'élément de réglage de la course (95) est écarté d'un contour de commande (99) solidaire en rotation de la valeur d'un écart qui est identique à la course du poussoir (h3), et en ce que lorsque le bouton-poussoir rotatif (81) est actionné en pression, l'élément de réglage de la course (95) bute en épuisant la course du poussoir (h3) contre le contour de commande (99) solidaire en rotation.
  9. Dispositif selon la revendication 8, caractérisé en ce que par actionnement en rotation du bouton-poussoir rotatif (81) autour d'un axe de rotation (G), l'écart, c'est à dire la course du poussoir (h3) entre l'élément de réglage de la course (95) et le contour de commande(99) solidaire en rotation est variable, et en ce que notamment le bouton-poussoir rotatif (81) est logé en étant rotatif autour d'un axe de boîtier (G), ainsi que réglable en course dans un boîtier de poussoir (49) solidaire en rotation, notamment montable sur la paroi et en ce que le contour de commande (99) solidaire en rotation est monté sur le boîter de poussoir (49).
  10. Dispositif selon l'une quelconque des revendications 8 ou 9, caractérisé en ce que l'élément de réglage de la course (95) couplé en rotation avec le bouton-poussoir rotatif (81) est une came de commande, qui lors d'un actionnement en pression du bouton-poussoir rotatif (81) bute contre le contour de commande (99) solidaire en rotation, et/ou en ce que le contour de commande (99) solidaire en rotation est un élément d'un guide à coulisse (97) notamment fixe sur le boîtier, et en ce qu'une course de poussoir du bouton-poussoir rotatif (81) est limitée à un trajet de course qui est défini entre le contour de commande (99) et une butée axiale (93) du guide à coulisse (97) et en ce que notamment un mouvement de rotation du bouton-poussoir rotatif (81) est limité à un angle de rotation, qui est tendu entre des butées de rotation (101) périphériques du guide à coulisse (97).
  11. Dispositif selon la revendication 10, caractérisé en ce que dans une position de repos non soumise à pression du bouton-poussoir rotatif (81), par sa première surface de butée (102), sous l'effet de la force de précontrainte du ressort, la came de commande (95) presse contre la butée axiale (93) du guide à coulisse (97) fixe sur le boîtier.
  12. Dispositif selon l'une quelconque des revendications 10 ou 11, caractérisé en ce que lors d'un actionnement en pression du bouton-poussoir rotatif (81), par sa première surface de butée (102), la came de commande (95) se met hors contact avec la butée axiale (93) du guide à coulisse (97) fixe sur le boîtier, et en ce que lors de l'actionnement en pression du bouton-poussoir rotatif (81), par sa deuxième surface de butée (103), la came de commande (95) est poussée contre le contour de commande (99) du guide à coulisse (97) fixe sur le boîtier.
  13. Dispositif selon la revendication 10 à 12, caractérisé en ce que par sa surface de contact coopérant avec la came de commande (95), la butée axiale (93) du guide à coulisse (97) fixe sur le boîtier se situe en continu dans un plan transversal (Q) situé à angle droit de l'axe du boîtier (G), et/ou en ce que par sa surface de contact (105) coopérant avec la came de commande (95), le contour de commande (99) fixe sur le boîtier présente un trajet périphérique adapté à volonté, à l'aide duquel en fonction de la position en rotation du bouton-poussoir rotatif (81), des courses du poussoir {h3) de différentes grandeurs peuvent être mises à disposition et en ce que notamment la surface de contact (105) du contour de commande (99) fixe sur le boîtier se situe en continu dans un plan oblique (S) par rapport à l'axe du boîtier (G) ou en ce que la surface de contact (105) du contour de commande (99) fixe sur le boîtier comporte des surfaces partielles mutuellement échelonnées ou décalées dans la direction axiale .
EP17761802.2A 2016-08-29 2017-08-29 Dispositif d'actionnement d'une soupape de vidange d'un réservoir de chasse d'eau Active EP3526412B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102016010335.3A DE102016010335A1 (de) 2016-08-29 2016-08-29 Ablaufgarnitur für einen WC-Spülkasten
DE102016010336 2016-08-29
DE102017005959.4A DE102017005959A1 (de) 2016-08-29 2017-06-26 Vorrichtung zur Betätigung eines Ablaufventils eines WC-Spülkastens
PCT/EP2017/001023 WO2018041399A1 (fr) 2016-08-29 2017-08-29 Dispositif d'actionnement d'une soupape de vidange d'un réservoir de chasse d'eau

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EP3526412A1 EP3526412A1 (fr) 2019-08-21
EP3526412B1 true EP3526412B1 (fr) 2021-02-17

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EP17761802.2A Active EP3526412B1 (fr) 2016-08-29 2017-08-29 Dispositif d'actionnement d'une soupape de vidange d'un réservoir de chasse d'eau

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WO (1) WO2018041399A1 (fr)

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Publication number Priority date Publication date Assignee Title
MX2020001480A (es) 2017-08-07 2020-08-17 Fluidmaster Metodo y sistema de control de fluido.
CN215253242U (zh) * 2021-05-25 2021-12-21 科勒(中国)投资有限公司 一种推力转换机构及隐藏式水箱

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Publication number Priority date Publication date Assignee Title
US3994029A (en) * 1975-02-27 1976-11-30 Badders Edwin T Fluid control system
DE3215602A1 (de) * 1982-04-27 1983-10-27 Hans-Hellmut Dipl.-Ing. 2061 Sülfeld Ernst Spuelwasserkasten
US4809367A (en) * 1986-08-08 1989-03-07 Partall Systems (Proprietary) Limited Cistern flushing apparatus
US6425145B1 (en) * 2001-09-21 2002-07-30 Arichell Technologies, Inc. Push button for metered flow
WO2006012650A1 (fr) * 2004-07-26 2006-02-02 Shelton, Mark William Systeme de soupape en plomberie
DE102005020748A1 (de) 2005-05-02 2006-11-09 GROHEDAL Sanitärsysteme GmbH & Co. KG Vorrichtung zur pneumatischen Betätigung eines Ablaufventils
EP2895660A4 (fr) * 2012-07-25 2016-06-01 Fluidmaster Ensemble de vanne de décharge de toilettes ayant un flotteur flottant mobile à l'intérieur de celui-ci

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WO2018041399A1 (fr) 2018-03-08

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