EP1460188B1 - Flushing device for a flushing cistern - Google Patents

Flushing device for a flushing cistern Download PDF

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Publication number
EP1460188B1
EP1460188B1 EP03405193A EP03405193A EP1460188B1 EP 1460188 B1 EP1460188 B1 EP 1460188B1 EP 03405193 A EP03405193 A EP 03405193A EP 03405193 A EP03405193 A EP 03405193A EP 1460188 B1 EP1460188 B1 EP 1460188B1
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EP
European Patent Office
Prior art keywords
servomotor
outlet valve
flushing
closure body
housing
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.)
Expired - Lifetime
Application number
EP03405193A
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German (de)
French (fr)
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EP1460188A1 (en
Inventor
Fridolin Boos
Stefan Hotz
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Geberit Technik AG
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Geberit Technik AG
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Publication date
Application filed by Geberit Technik AG filed Critical Geberit Technik AG
Priority to DE50310315T priority Critical patent/DE50310315D1/en
Priority to EP03405193A priority patent/EP1460188B1/en
Priority to AT03405193T priority patent/ATE404745T1/en
Publication of EP1460188A1 publication Critical patent/EP1460188A1/en
Application granted granted Critical
Publication of EP1460188B1 publication Critical patent/EP1460188B1/en
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    • 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
    • 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
    • E03D5/10—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

Definitions

  • the invention relates to a flushing device for a cistern according to the preamble of claim 1.
  • Flushing devices for cisterns have long been known. These usually have a arranged under the cistern lid two-armed lever, which is pivoted to Spülauslect on a button. With the lever, a closure body, such as an overflow pipe, raised and thus open the outlet valve. If the outlet valve is a float valve, the closure body automatically falls into the closed position after the cistern has been emptied. About an inlet valve, the cistern is replenished after flushing. Flushing devices are also known in which the closure body is lifted by means of a motor.
  • the US-A-5,432,959 discloses a purging device formed according to the preamble of claim 1 with an outlet valve having a housing in which a motor is mounted, with a spindle via a cup-shaped closure body is movable, which is mounted displaceably on the housing.
  • the rinse can also be triggered by hand, is raised in the cup-shaped closure body by hand from the housing.
  • Below the engine is located in said housing an air cushion, which increases the contact pressure of the closure body on the valve seat due to a negative pressure. Compression springs engage the valve seat and help open the outlet valve.
  • the outlet valve is here a standard float valve and the closure body at the same time an overflow pipe.
  • On the housing of the outlet valve is constructed a bearing bridge on which a shaft driven by the motor is mounted. This shaft has a lever which is connected via a bracket with the closure body. If the shaft is rotated by the motor for flushing, the closure body is raised. Level sensors trigger upon reaching a lower level of the rinse water counter rotation of the shaft, causing the closure body falls back into the closed position. At one end, said shaft is connected to an inlet valve. Due to the mentioned counter-movement, this valve is opened and the cistern filled with rinse water again. For this rinsing device is disadvantageous that it is relatively expensive to install and in the production.
  • the invention has for its object to provide a flushing device of the type mentioned, which is much easier to manufacture and assemble and is still reliable.
  • the servomotor can be integrated directly into the outlet valve.
  • a bearing bracket, connecting bracket and a bearing of the shaft on said bridge are not required in the inventive flushing device.
  • the integration of the servo motor in the housing of the outlet valve results in a very compact unit, which can be made of comparatively few individual parts and very easily and quickly mounted.
  • a particularly simple manufacture and assembly of the purging device according to the invention results from the fact that the servomotor is mounted on a cover of the housing of the outlet valve. If the servomotor is poured moisture-proof, it can be mounted below the flushing water level. This allows the production of a very low and compact outlet valve.
  • a control is provided and the stroke movement of the servomotor is time-controlled and adjustable. This makes it possible to precisely adjust the movements for triggering the flushing and closing the outlet valve and thus to optimize the flushing water consumption.
  • the usual in float valves weights that must be placed on a partial flush to interrupt the flushing on the closure body are not required in this case.
  • the adhesion of the servomotor makes it possible to bring the closure body against buoyancy in the closed position.
  • the angular stroke of the servomotor is time-controlled and adjustable.
  • the stroke of the closure body can be precisely adapted to the respective conditions. Tolerance deviations can be easily compensated.
  • a particularly simple and robust construction of the flushing device is possible if, according to a development of the invention, a separate overflow pipe is arranged on the housing of the outlet valve.
  • the closure body of the outlet valve can then be made particularly robust and small height.
  • FIG. 1 shows a cistern 1 with a box 22 which has a container 22b and a lid 22a.
  • a per se known inlet valve 2 is mounted, which is to be connected to a connecting piece 3 with a supply line, not shown.
  • the inlet valve 2 is a Float valve and this opens automatically after a flush and fills the box 22 automatically with rinse water 26th
  • a key 21 is also mounted, which is to be actuated to trigger a flushing.
  • the key 21 is in particular a sensor key.
  • a pulse is transmitted via a line 20 to a controller 19, which is arranged in a housing 19 a.
  • the housing 19a is also preferably mounted in the lid 22a.
  • the button 21 and the controller 19 are arranged as seen above the level 26 a of the rinse water.
  • the button 21 may also be replaced by another suitable actuator. In particular, a remote control is possible.
  • the controller 19 is connected via a signal line 17 to a servo motor 18, which is molded moisture-tight in a housing 18 a.
  • the servomotor 18 forms a unit with an outlet valve 5.
  • This outlet valve 5 has a housing 6 which is secured with a nozzle 8 at the bottom of the box 22.
  • a valve seat ( FIG. 3 ), which cooperates with a valve disk 10 of a closure body 7.
  • the button 21, the controller 19 and the outlet valve 5 form the flushing device 4 of the cistern 1.
  • the power source for electrical supply may be a battery, not shown here.
  • the housing 6 has a hood-shaped cover 6a, which is releasably latched and in which the servo motor 18 is integrated with the housing 18a.
  • the servomotor 18 has a pivoting lever 13 which is non-rotatably connected to an engine shaft 16. in the Distance to the motor shaft 16, a driving pin 14 or other suitable driving body is attached to the pivot lever 13, which runs parallel to the motor shaft 16. This pin 14 engages in a slot 11 of a carrier 11, which is formed on the closure body 7 and as can be seen, projects upwards. At a distance from the motor shaft 16 and the driving pin 14, a nose 15 is also formed on the pivot lever 13.
  • the above button 21 is pressed. This can be done, for example, contactless.
  • the control device 19 switches on the signal line 17, the motor, which the pivot lever 13 according to FIG. 2 turns in the direction of arrow 27 by about 45 °. Is the nose 15 according to FIG. 3 on the underside of the lid 16a, the servomotor 18 is automatically turned off.
  • the closure body 7 is hereby lifted from the valve seat 9 and thus the outlet valve 5 is opened. Rinse water 26 flows through the window 28 of the housing 6 in the direction of the arrows 21 in the above-mentioned Spülrohr.
  • the closure body 7, which is non-positively connected to the pivot lever 13, remains as in the FIG. 3 shown in a raised position.
  • the servomotor After a predetermined time interval, which is stored in the controller 19, the servomotor is set again and the pivot lever 13 is in the opposite direction as indicated by arrow 30 of FIG. 3 turned.
  • the closure body 17 is thereby moved down onto the valve seat 9 and thus the outlet valve 5 is closed.
  • the servo motor 18 is positively connected to the closure body 7.
  • the closure body 7 can thus also be brought against a retroactive force down into the closed position.
  • At least two different time intervals may be stored in the controller 19.
  • a comparatively long time interval is then provided for a full flush and a shorter time interval for a partial flush.
  • the closure body 7 is brought to a partial emptying of the box 22 in the closed position.
  • the mentioned time intervals are adjustable. Also adjustable is the angle by which the pivot lever 13 is pivoted when closing the outlet valve 5. It is also a control conceivable in which these end positions are each automatically adjusted. In a first rinsing triggering determined in this case, the servo motor 18 automatically in the FIGS. 2 and 3 shown end positions and performs a further stroke at this angle. Subsequent deviations can be corrected automatically by the servo motor 18. This significantly simplifies installation and maintenance. In particular, can be dispensed with elaborate adjustments during assembly.
  • an overflow pipe 23 is formed, which projects laterally upwards and in which an extendable inner tube 24 is mounted.
  • the closure body 7 is thus not formed in the inventive flushing device 4 as usual from overflow pipe.
  • the closure body 7 is a comparatively simple lower body, according to FIG. 4 has radially extending guide members 31, on which the closure body 7 is mounted vertically displaceable in the housing 6.
  • the pivot lever 13 is also a very simple part and for example according to FIG. 5 educated.
  • the pivot lever 13 may be a one-piece injection molded part with the molded-on pin 14.
  • a recess 32 for receiving the motor shaft 16 is preferably formed out of round.
  • the inventive flushing device is particularly suitable for ceramic cisterns, there the usual comparatively large dimensional deviations of the box 22, which are customary here, do not have to be taken into account during assembly.

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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)
  • Aviation & Aerospace Engineering (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Lift Valve (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

An actuating device (21) is connected to a servomotor (18) for raising the closure body (7) of an outlet valve (5), and causing flushing. The closure body is directly, frictionally connected to the actuator member (13) of the servo motor. The servomotor is preferably mounted on the housing (6) of the outlet valve, forming a unit. An independent claim is included for an outlet valve for a flushing device.

Description

Die Erfindung betrifft eine Spüleinrichtung für einen Spülkasten gemäss Oberbegriff des Anspruchs 1.The invention relates to a flushing device for a cistern according to the preamble of claim 1.

Spüleinrichtungen für Spülkästen sind seit langem bekannt. Diese weisen in der Regel einen unter dem Spülkastendeckel angeordneten zweiarmigen Hebel auf, der zur Spülauslösung an einer Taste verschwenkt wird. Mit dem Hebel wird ein Verschlusskörper, beispielsweise ein Überlaufrohr, angehoben und damit das Auslaufventil geöffnet. Ist das Auslaufventil ein Schwimmerventil, so fällt der Verschlusskörper nach der Entlehrung des Spülkastens selbsttätig in die Schliessstellung. Über ein Einlaufventil wird der Spülkasten nach einer Spülung wieder aufgefüllt. Bekannt sind auch Spüleinrichtungen, bei denen der Verschlusskörper mittels eines Motors angehoben wird.Flushing devices for cisterns have long been known. These usually have a arranged under the cistern lid two-armed lever, which is pivoted to Spülauslösung on a button. With the lever, a closure body, such as an overflow pipe, raised and thus open the outlet valve. If the outlet valve is a float valve, the closure body automatically falls into the closed position after the cistern has been emptied. About an inlet valve, the cistern is replenished after flushing. Flushing devices are also known in which the closure body is lifted by means of a motor.

Die US-A-5,432,959 offenbart eine gemäss dem Oberbegrift des Anspruchs 1 ausgebildete Spüleinrichtung mit einem Auslaufventil, das ein Gehäuse aufweist, in dem ein Motor gelagert ist, mit dem über eine Spindel ein becherförmiger Verschlusskörper bewegbar ist, welcher auf dem Gehäuse verschiebbar gelagert ist. Die Spülung kann auch von Hand ausgelöst werden, in der becherförmige Verschlusskörper von Hand vom Gehäuse abgehoben wird. Unterhalb des Motors befindet sich im genannten Gehäuse ein Luftpolster, das aufgrund eines Unterdrucks den Anpressdruck des Verschlusskörpers am Ventilsitz verstärkt. Druckfedern greifen am Ventilsitz an und unterstützen das Öffnen des Auslaufventils.The US-A-5,432,959 discloses a purging device formed according to the preamble of claim 1 with an outlet valve having a housing in which a motor is mounted, with a spindle via a cup-shaped closure body is movable, which is mounted displaceably on the housing. The rinse can also be triggered by hand, is raised in the cup-shaped closure body by hand from the housing. Below the engine is located in said housing an air cushion, which increases the contact pressure of the closure body on the valve seat due to a negative pressure. Compression springs engage the valve seat and help open the outlet valve.

Eine weitere Spüleinrichtung, bei welcher der Verschlusskörper mit einem Motor angehoben wird, ist aus der FR 2770547 bekannt geworden. Das Auslaufventil ist hier ein übliches Schwimmerventil und der Verschlusskörper gleichzeitig ein Überlaufrohr. Auf das Gehäuse des Auslaufventils ist eine Lagerbrücke aufgebaut, an der eine vom Motor angetriebene Welle gelagert ist. Diese Welle besitzt einen Hebel, der über einen Bügel mit dem Verschlusskörper verbunden ist. Wird zur Spülauslösung die Welle vom Motor gedreht, so wird der Verschlusskörper angehoben. Niveausensoren lösen beim Erreichen eines unteren Niveaus des Spülwassers eine Gegendrehung der Welle aus, wodurch der Verschlusskörper wieder in die Schliessstellung fällt. An einem Ende ist die genannte Welle mit einem Einlaufventil verbunden. Auf Grund der genannten Gegenbewegung wird dieses Ventil geöffnet und der Spülkasten wieder mit Spülwasser gefüllt. Für diese Spüleinrichtung ist nachteilig, dass sie in der Montage und in der Herstellung vergleichsweise aufwendig ist.Another purging device, in which the closure body is lifted by a motor, is from the FR 2770547 known. The outlet valve is here a standard float valve and the closure body at the same time an overflow pipe. On the housing of the outlet valve is constructed a bearing bridge on which a shaft driven by the motor is mounted. This shaft has a lever which is connected via a bracket with the closure body. If the shaft is rotated by the motor for flushing, the closure body is raised. Level sensors trigger upon reaching a lower level of the rinse water counter rotation of the shaft, causing the closure body falls back into the closed position. At one end, said shaft is connected to an inlet valve. Due to the mentioned counter-movement, this valve is opened and the cistern filled with rinse water again. For this rinsing device is disadvantageous that it is relatively expensive to install and in the production.

Der Erfindung liegt der Aufgabe zugrunde, eine Spüleinrichtung der genannten Art zu schaffen, die wesentlich einfacher herzustellen und zu montieren ist und die trotzdem funktionssicher ist.The invention has for its object to provide a flushing device of the type mentioned, which is much easier to manufacture and assemble and is still reliable.

Die Aufgabe ist bei einer gattungsmässigen Spüleinrichtung gemäss Anspruch 1 gelöst. Bei der erfindungsgemässen Spüleinrichtung kann der Servomotor direkt in das Auslaufventil integriert werden. Eine Lagerbrücke, Verbindungsbügel und eine Lagerung der Welle an der genannten Brücke sind bei der erfindungsgemässen Spüleinrichtung nicht erforderlich. Die Integration des Servomotors in das Gehäuse des Auslaufventils ergibt eine sehr kompakte Einheit, die aus vergleichsweise wenigen Einzelteilen hergestellt und sehr einfach und schnell montiert werden kann.The object is achieved in a generic flushing device according to claim 1. In the rinsing device according to the invention, the servomotor can be integrated directly into the outlet valve. A bearing bracket, connecting bracket and a bearing of the shaft on said bridge are not required in the inventive flushing device. The integration of the servo motor in the housing of the outlet valve results in a very compact unit, which can be made of comparatively few individual parts and very easily and quickly mounted.

Eine besonders einfache Herstellung und Montage der Erfindungsgemässen Spüleinrichtung ergibt sich dadurch, dass der Servomotor an einem Deckel des Gehäuses des Auslaufventils gelagert ist. Ist der Servomotor feuchtigkeitsdicht eingegossen, so kann dieser unterhalb des Spülwasserniveaus montiert werden. Dies ermöglicht die Herstellung eines sehr niedrigen und kompakten Auslaufventils.A particularly simple manufacture and assembly of the purging device according to the invention results from the fact that the servomotor is mounted on a cover of the housing of the outlet valve. If the servomotor is poured moisture-proof, it can be mounted below the flushing water level. This allows the production of a very low and compact outlet valve.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass eine Steuerung vorgesehen ist und die Hubbewegung des Servomotors zeitgesteuert und einstellbar ist. Damit ist es möglich, die Bewegungen zur Auslösung der Spülung und zum Schliessen des Auslaufventils genau einzustellen und damit den Spülwasserverbrauch zu optimieren.According to a development of the invention, it is provided that a control is provided and the stroke movement of the servomotor is time-controlled and adjustable. This makes it possible to precisely adjust the movements for triggering the flushing and closing the outlet valve and thus to optimize the flushing water consumption.

Möglich ist eine Teilspülung, in dem zwei unterschiedliche Zeitintervalle eingerichtet werden. Bei einem ersten, längeren Zeitintervall bleibt das Auslaufventil solange offen, bis eine Vollspülung abgeschlossen ist. In diesem Fall wird beispielsweise mit sechs oder mehr Liter Spülwasser gespült. Bei einem kürzeren, zweiten Zeitintervall wird das Auslaufventil vom Servomotor geschlossen, sobald eine vorbestimmte Teilmenge des Spülwassers den Spülkasten verlassen hat. Bei einer solchen Teilspülung wird beispielsweise mit drei oder weniger Liter Wasser gespült. Der Servomotor drückt in diesem Fall den Verschlusskörper auf den Ventilsitz, wodurch das Auslaufventil geschlossen wird. Die bei Schwimmerventilen üblichen Gewichte, die einer Teilspülung zur Unterbrechung der Spülung auf den Verschlusskörper aufgelegt werden müssen, sind in diesem Fall nicht erforderlich. Der Kraftschluss des Servomotors ermöglich es, den Verschlusskörper auch gegen einen Auftrieb in die Schliessstellung zu bringen.Possible is a partial flush, in which two different time intervals are set up. At a first, longer time interval, the outlet valve remains open until a full flush is completed. In this case, for example, rinse with six or more liters of rinse water. At a shorter, second time interval, the outlet valve is closed by the servomotor as soon as a predetermined subset of the rinse water has left the cistern. In such a partial flush, for example, rinsed with three or less liters of water. In this case, the servomotor presses the closure body onto the valve seat, whereby the outlet valve is closed. The usual in float valves weights that must be placed on a partial flush to interrupt the flushing on the closure body, are not required in this case. The adhesion of the servomotor makes it possible to bring the closure body against buoyancy in the closed position.

Nach einer Weiterbildung der Erfindung ist vorgesehen, dass der Winkelhub des Servomotors zeitgesteuert und einstellbar ist. Damit kann der Hub des Verschlusskörper präzis an die jeweiligen Bedingungen angepasst werden. Toleranzabweichungen können ohne weiteres kompensiert werden.According to a development of the invention, it is provided that the angular stroke of the servomotor is time-controlled and adjustable. Thus, the stroke of the closure body can be precisely adapted to the respective conditions. Tolerance deviations can be easily compensated.

Ein besonders einfacher und robuster Aufbau der Spüleinrichtung ist dann möglich, wenn gemäss einer Weiterbildung der Erfindung am Gehäuse des Auslaufventils ein separates Überlaufrohr angeordnet ist. Der Verschlusskörper des Auslaufventils kann dann besonders robust und kleiner Bauhöhe hergestellt werden.A particularly simple and robust construction of the flushing device is possible if, according to a development of the invention, a separate overflow pipe is arranged on the housing of the outlet valve. The closure body of the outlet valve can then be made particularly robust and small height.

Weitere vorteilhafte Merkmale ergeben sich aus den abhängigen Patentansprüchen, der nachfolgenden Beschreibung sowie der Zeichnung.Further advantageous features emerge from the dependent claims, the following description and the drawings.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

Figur 1
schematisch ein vertikalen Schnitt durch einen Spülkasten mit einer erfindungsgemässen Spüleinrichtung,
Figur 2
schematisch ein vertikalen Schnitt durch ein Auslaufventil, wobei dieses in der Schliessstellung ist,
Figur 3
ein Schnitt gemäss Figur 2, wobei jedoch das Auslaufventil geöffnet ist,
Figur 4
eine Draufsicht auf einen Verschlusskörper und
Figur 5
eine Ansicht eines Schwenkhebels, welcher den Servomotor mit dem Verschlusskörper verbindet.
An embodiment of the invention will be explained in more detail with reference to the drawing. Show it:
FIG. 1
1 is a schematic vertical section through a flushing cistern with a flushing device according to the invention;
FIG. 2
schematically a vertical section through an outlet valve, wherein this is in the closed position,
FIG. 3
a section according to FIG. 2 but with the outlet valve open,
FIG. 4
a plan view of a closure body and
FIG. 5
a view of a pivot lever which connects the servomotor with the closure body.

Die Figur 1 zeigt einen Spülkasten 1 mit einem Kasten 22, der einen Behälter 22b sowie einen Deckel 22a aufweist. Im Behälter 22b ist ein an sich bekanntes Einlaufventil 2 gelagert, das an einem Anschlussstutzen 3 mit einer nicht gezeigten Versorgungsleitung zu verbinden ist. Das Einlaufventil 2 ist ein Schwimmerventil und dieses öffnet nach einer Spülung selbsttätig und füllt den Kasten 22 selbsttätig wieder mit Spülwasser 26.The FIG. 1 shows a cistern 1 with a box 22 which has a container 22b and a lid 22a. In the container 22 b a per se known inlet valve 2 is mounted, which is to be connected to a connecting piece 3 with a supply line, not shown. The inlet valve 2 is a Float valve and this opens automatically after a flush and fills the box 22 automatically with rinse water 26th

Im Deckel 22 ist ferner eine Taste 21 gelagert, die zur Auslösung einer Spülung zu betätigen ist. Die Taste 21 ist insbesondere eine Sensortaste. Durch betätigen der Taste 21 wird über eine Leitung 20 ein Impuls an eine Steuerung 19 übermittelt, die in einem Gehäuse 19a angeordnet ist. Das Gehäuse 19a ist vorzugsweise ebenfalls im Deckel 22a befestigt. Die Taste 21 als auch die Steuerung 19 sind wie ersichtlich über dem Niveau 26a des Spülwassers angeordnet. Die Taste 21 kann auch durch eine andere geeignete Betätigungsvorrichtung ersetzt sein. Insbesondere ist eine Fernbetätigung möglich.In the lid 22 a key 21 is also mounted, which is to be actuated to trigger a flushing. The key 21 is in particular a sensor key. By pressing the button 21, a pulse is transmitted via a line 20 to a controller 19, which is arranged in a housing 19 a. The housing 19a is also preferably mounted in the lid 22a. The button 21 and the controller 19 are arranged as seen above the level 26 a of the rinse water. The button 21 may also be replaced by another suitable actuator. In particular, a remote control is possible.

Die Steuerung 19 ist über eine Signalleitung 17 mit einem Servomotor 18 verbunden, der in einem Gehäuse 18a feuchtigkeitsdicht eingegossen ist. Der Servomotor 18 bildet mit einem Auslaufventil 5 eine Einheit. Dieses Auslaufventil 5 weist ein Gehäuse 6 auf, das mit einem Stutzen 8 am Boden des Kastens 22 befestigt ist. An diesem Stutzen 8 wird ein hier nicht gezeigter Spülbogen befestigt, der in eine nicht gezeigte WC-Schüssel führt. Über dem Stutzen 8 ist ein Ventilsitz (Figur 3) angeordnet, der mit einem Ventilteller 10 eines Verschlusskörpers 7 zusammenarbeitet. In der Figur 1 liegt der Ventilteller 10 auf dem Ventilsitz 9 auf und somit ist das Auslaufventil 5 geschlossen. Die Taste 21, die Steuerung 19 und das Auslaufventil 5 bilden die Spüleinrichtung 4 des Spülkastens 1. Die Stromquelle zur elektrischen Versorgung kann eine hier nicht gezeigte Batterie sein.The controller 19 is connected via a signal line 17 to a servo motor 18, which is molded moisture-tight in a housing 18 a. The servomotor 18 forms a unit with an outlet valve 5. This outlet valve 5 has a housing 6 which is secured with a nozzle 8 at the bottom of the box 22. At this nozzle 8 a not shown here rinsing sheet is fixed, which leads into a toilet bowl, not shown. About the nozzle 8 is a valve seat ( FIG. 3 ), which cooperates with a valve disk 10 of a closure body 7. In the FIG. 1 If the valve plate 10 on the valve seat 9 and thus the outlet valve 5 is closed. The button 21, the controller 19 and the outlet valve 5 form the flushing device 4 of the cistern 1. The power source for electrical supply may be a battery, not shown here.

Das Gehäuse 6 weist einen haubenförmigen Deckel 6a auf, der lösbar aufgerastet ist und in den der Servomotor 18 mit dem Gehäuse 18a integriert ist. Der Servomotor 18 weist einen Schwenkhebel 13 auf, der drehfest mit einer Motorenwelle 16 verbunden ist. Im Abstand zur Motorenwelle 16 ist am Schwenkhebel 13 ein Mitnahmestift 14 oder ein anderer geeigneter Mitnahmekörper befestigt, der parallel zur Motorenwelle 16 verläuft. Dieser Stift 14 greift in ein Langloch 11 eines Trägers 11 ein, der am Verschlusskörper 7 angeformt ist und wie ersichtlich nach oben ragt. Im Abstand zur Motorenwelle 16 und zum Mitnahmestift 14 ist zudem am Schwenkhebel 13 eine Nase 15 angeformt.The housing 6 has a hood-shaped cover 6a, which is releasably latched and in which the servo motor 18 is integrated with the housing 18a. The servomotor 18 has a pivoting lever 13 which is non-rotatably connected to an engine shaft 16. in the Distance to the motor shaft 16, a driving pin 14 or other suitable driving body is attached to the pivot lever 13, which runs parallel to the motor shaft 16. This pin 14 engages in a slot 11 of a carrier 11, which is formed on the closure body 7 and as can be seen, projects upwards. At a distance from the motor shaft 16 and the driving pin 14, a nose 15 is also formed on the pivot lever 13.

Um eine Spülung auszulösen, wird die obengenannte Taste 21 betätigt. Dies kann beispielsweise berührungslose erfolgen. Die Steuervorrichtung 19 schaltet über die Signalleitung 17 den Motor ein, welcher den Schwenkhebel 13 gemäss Figur 2 in Richtung des Pfeils 27 um etwa 45° dreht. Liegt die Nase 15 gemäss Figur 3 an der Unterseite des Deckels 16a an, so wird der Servomotor 18 automatisch ausgeschaltet. Der Verschlusskörper 7 ist hierbei vom Ventilsitz 9 abgehoben und damit ist das Auslaufventil 5 geöffnet. Spülwasser 26 fliesst durch Fenster 28 des Gehäuses 6 in Richtung der Pfeile 21 in das obengenante Spülrohr. Der Verschlusskörper 7, der kraftschlüssig mit dem Schwenkhebel 13 verbunden ist, bleibt wie in der Figur 3 gezeigten in einer angehobenen Stellung. Nach einem vorbestimmten Zeitintervall, das in der Steuerung 19 gespeichert ist, wird der Servomotor wieder eingestellt und der Schwenkhebel 13 wird in der Gegenrichtung gemäss Pfeil 30 der Figur 3 gedreht. Der Verschlusskörper 17 wird dadurch nach unten auf den Ventilsitz 9 bewegt und damit das Auslaufventil 5 geschlossen. Auch bei dieser Bewegung ist der Servomotor 18 kraftschlüssig mit dem Verschlusskörper 7 verbunden. Der Verschlusskörper 7 kann somit auch gegen eine rückwirkende Kraft nach unten in die Schliessstellung gebracht werden.To initiate a flush, the above button 21 is pressed. This can be done, for example, contactless. The control device 19 switches on the signal line 17, the motor, which the pivot lever 13 according to FIG. 2 turns in the direction of arrow 27 by about 45 °. Is the nose 15 according to FIG. 3 on the underside of the lid 16a, the servomotor 18 is automatically turned off. The closure body 7 is hereby lifted from the valve seat 9 and thus the outlet valve 5 is opened. Rinse water 26 flows through the window 28 of the housing 6 in the direction of the arrows 21 in the above-mentioned Spülrohr. The closure body 7, which is non-positively connected to the pivot lever 13, remains as in the FIG. 3 shown in a raised position. After a predetermined time interval, which is stored in the controller 19, the servomotor is set again and the pivot lever 13 is in the opposite direction as indicated by arrow 30 of FIG. 3 turned. The closure body 17 is thereby moved down onto the valve seat 9 and thus the outlet valve 5 is closed. Also in this movement, the servo motor 18 is positively connected to the closure body 7. The closure body 7 can thus also be brought against a retroactive force down into the closed position.

In der Steuerung 19 können wenigstens zwei unterschiedliche Zeitintervalle gespeichert sein. Es können auch zwei Tasten 21 vorgesehen sein, wobei mit der einen Taste eine Spülung mit dem einen Zeitintervall und mit der anderen Taste eine Spülung mit dem anderen Zeitintervall ausgelöst wird. Ein vergleichsweise langes Zeitintervall ist dann für eine Vollspülung und ein kürzeres Zeitintervall für eine Teilspülung vorgesehen. Bei einer Teilspülung wird der Verschlusskörper 7 nach einer Teilentleerung des Kastens 22 in die Schliessstellung gebracht. Die genannten Zeitintervalle sind einstellbar. Ebenfalls einstellbar ist der Winkel, um welchen der Schwenkhebel 13 beim Schliessen des Auslaufventils 5 verschwenkt wird. Es ist auch eine Steuerung denkbar, bei welcher diese Endstellungen jeweils selbsttätig angepasst werden. Bei einer ersten Spülauslösung ermittelt in diesem Fall der Servomotor 18 selbsttätig die in den Figuren 2 und 3 gezeigten Endstellungen und führt einen weitern Hub mit diesem Winkel auf. Spätere Abweichungen können vom Servomotor 18 selbsttätig korrigiert werden. Dies vereinfacht die Montage und den Unterhalt wesentlich. Insbesondere kann auf aufwendige Justierarbeiten bei der Montage verzichtet werden.At least two different time intervals may be stored in the controller 19. There may also be two buttons 21 be provided, with one button, a purge with the one time interval and the other button a purge with the other time interval is triggered. A comparatively long time interval is then provided for a full flush and a shorter time interval for a partial flush. In a partial flush the closure body 7 is brought to a partial emptying of the box 22 in the closed position. The mentioned time intervals are adjustable. Also adjustable is the angle by which the pivot lever 13 is pivoted when closing the outlet valve 5. It is also a control conceivable in which these end positions are each automatically adjusted. In a first rinsing triggering determined in this case, the servo motor 18 automatically in the FIGS. 2 and 3 shown end positions and performs a further stroke at this angle. Subsequent deviations can be corrected automatically by the servo motor 18. This significantly simplifies installation and maintenance. In particular, can be dispensed with elaborate adjustments during assembly.

Am Gehäuse 6 des Auslaufventils 5 ist ein Überlaufrohr 23 angeformt, das seitlich nach oben ragt und in dem ein ausziehbares Innenrohr 24 gelagert ist. Der Verschlusskörper 7 ist bei der erfindungsgemässen Spüleinrichtung 4 somit nicht wie üblich aus Überlaufrohr ausgebildet. Der Verschlusskörper 7 ist ein vergleichsweise einfacher niedriger Körper, der gemäss Figur 4 sich radial erstreckende Führungsteile 31 besitzt, an denen der Verschlusskörper 7 im Gehäuse 6 vertikal verschiebbar gelagert ist. Der Schwenkhebel 13 ist ebenfalls ein sehr einfaches Teil und beispielsweise gemäss Figur 5 ausgebildet. Der Schwenkhebel 13 kann mit dem angeformten Stift 14 ein einstückiges Spritzgussteil sein. Eine Ausnehmung 32 zur Aufnahme der Motorenwelle 16 ist vorzugsweise unrund ausgebildet. Die erfindungsgemässe Spüleinrichtung eignet sich insbesondere für Keramikspülkästen, da die hier üblichen vergleichsweise grossen Massabweichungen des Kastens 22 bei der Montage nicht berücksichtigt werden müssen.On the housing 6 of the outlet valve 5, an overflow pipe 23 is formed, which projects laterally upwards and in which an extendable inner tube 24 is mounted. The closure body 7 is thus not formed in the inventive flushing device 4 as usual from overflow pipe. The closure body 7 is a comparatively simple lower body, according to FIG. 4 has radially extending guide members 31, on which the closure body 7 is mounted vertically displaceable in the housing 6. The pivot lever 13 is also a very simple part and for example according to FIG. 5 educated. The pivot lever 13 may be a one-piece injection molded part with the molded-on pin 14. A recess 32 for receiving the motor shaft 16 is preferably formed out of round. The inventive flushing device is particularly suitable for ceramic cisterns, there the usual comparatively large dimensional deviations of the box 22, which are customary here, do not have to be taken into account during assembly.

Claims (9)

  1. Flushing device for a flushing cistern, with an actuating apparatus (21) and an outlet valve (5) which has a housing (6), wherein the actuating apparatus (21) is connected to a servomotor (18) with which a closure body (7) of the outlet valve (5) can be raised in order to initiate flushing, and wherein the closure body (7) is coupled directly and frictionally to an actuating member (13) of the servomotor (18), characterized in that the servomotor (18) is mounted on a cover (6a) put on releasably to the housing (6) of the outlet valve (5) and in that the closure body (7) is mounted in a vertically displaceable manner in said housing (6).
  2. Device according to Claim 1, characterized in that the servomotor (18) forms a unit with the housing (6) of the outlet valve (5).
  3. Device according to Claim 1 or 2, characterized in that the servomotor (18) is integrally cast in a liquid-tight manner.
  4. Device according to one of Claims 1 to 3,
    characterized in that the servomotor (18) is arranged below the flushing water level (26a).
  5. Device according to one of Claims 1 to 4, characterized in that a controller (19) is provided, and the lifting movement of the servomotor (18) is time-controlled and adjustable.
  6. Device according to Claim 5, characterized in that the angular lift of the servomotor (18) is time-controlled and adjustable.
  7. Device according to Claim 5 and 6, characterized in that a separate overflow pipe (28) is arranged on and, in particular, integrally formed on the abovementionned housing (6) of the outlet valve (5)
  8. Device according to one of Claim 1 to 7, characterized in that the actuating apparatus (21) and a controller (19) are to be fitted separately from the outlet valve (5).
  9. Device according to Claim 8, characterized in that an inlet valve (2) which is to be fitted in a cover (22a) is provided.
EP03405193A 2003-03-20 2003-03-20 Flushing device for a flushing cistern Expired - Lifetime EP1460188B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE50310315T DE50310315D1 (en) 2003-03-20 2003-03-20 Flushing device for a cistern
EP03405193A EP1460188B1 (en) 2003-03-20 2003-03-20 Flushing device for a flushing cistern
AT03405193T ATE404745T1 (en) 2003-03-20 2003-03-20 FLUSHING DEVICE FOR A CISTER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03405193A EP1460188B1 (en) 2003-03-20 2003-03-20 Flushing device for a flushing cistern

Publications (2)

Publication Number Publication Date
EP1460188A1 EP1460188A1 (en) 2004-09-22
EP1460188B1 true EP1460188B1 (en) 2008-08-13

Family

ID=32799193

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Application Number Title Priority Date Filing Date
EP03405193A Expired - Lifetime EP1460188B1 (en) 2003-03-20 2003-03-20 Flushing device for a flushing cistern

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EP (1) EP1460188B1 (en)
AT (1) ATE404745T1 (en)
DE (1) DE50310315D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2954109T3 (en) * 2013-10-29 2023-11-20 Quang Le Huynh Low water consumption toilet system
EP3138970B1 (en) 2015-09-01 2020-05-13 Geberit International AG Flushing device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432959A (en) * 1994-01-05 1995-07-18 Dakota Technologies Corp. System for regulating water flow in a toilet
FR2740793B1 (en) * 1995-11-03 1998-01-30 Wirquin Plastiques Sa CONTROL DEVICE FOR EMPTYING SANITARY APPLIANCES
FR2770547B1 (en) 1997-11-03 2000-02-11 Wirquin Plastiques Sa DEVICE FOR ELECTRICALLY CONTROLLED SANITARY WATER FLUSHING FOR SPILLING VARIABLE QUANTITIES OF WATER

Also Published As

Publication number Publication date
ATE404745T1 (en) 2008-08-15
EP1460188A1 (en) 2004-09-22
DE50310315D1 (en) 2008-09-25

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