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EP2479335B1 - Metering device for liquid and viscous dispensing agent for a washing machine and washing machine - Google Patents

Metering device for liquid and viscous dispensing agent for a washing machine and washing machine Download PDF

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Publication number
EP2479335B1
EP2479335B1 EP11401009.3A EP11401009A EP2479335B1 EP 2479335 B1 EP2479335 B1 EP 2479335B1 EP 11401009 A EP11401009 A EP 11401009A EP 2479335 B1 EP2479335 B1 EP 2479335B1
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EP
European Patent Office
Prior art keywords
washing machine
pin
container
storage container
connecting line
Prior art date
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Active
Application number
EP11401009.3A
Other languages
German (de)
French (fr)
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EP2479335A1 (en
Inventor
Thomas Deppermann
Philipp Müller
Viktor Wiens
Olaf Witte
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Priority to EP11401009.3A priority Critical patent/EP2479335B1/en
Priority to PL11401009T priority patent/PL2479335T3/en
Priority to ES11401009.3T priority patent/ES2528342T3/en
Publication of EP2479335A1 publication Critical patent/EP2479335A1/en
Application granted granted Critical
Publication of EP2479335B1 publication Critical patent/EP2479335B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/022—Devices for adding soap or other washing agents in a liquid state

Definitions

  • the invention relates to a metering device for a washing machine with a tub disposed in a housing and a rotatably mounted within the tub drum for receiving the laundry to be treated, comprising at least one storage container for receiving a substantially liquid or viscous adding agent such as detergent or washing or rinsing additives and a connecting line for the flow of the adding agent from the storage container to the tub, wherein the reservoir can be connected or disconnected to the connecting line by means of a coupling device and wherein the coupling device comprises a valve which provides the outflow of the adding agent from the storage container as soon as the storage container in the operational position is coupled to the connection line.
  • a metering device for liquid adding agent is from the DE 32 04 521 A1 known.
  • a reservoir for liquid detergent and a metering pump is disposed within the washing machine.
  • the metering pump conveys the liquid detergent via a hose in the upper region of the tub or alternatively in a compartment of Waschstoffeinflülschublade.
  • the metering devices of the type mentioned have the disadvantage that the container is difficult to access for filling or for cleaning.
  • the DE 32 46 127 A1 discloses a metering device for a washing machine, which comprises a reservoir and a coupling device, so that the reservoir can be separated from a connecting line.
  • the coupling device comprises a pipe section in the reservoir, in which a piston between an open and a closed position is movable.
  • the piston is movable by a fixed hollow mandrel on the connecting line.
  • From the GB 2 134 612 A is a corresponding coupling device for a liquid line in household appliances known.
  • a metering device for a washing machine which is placed separately from the washing machine.
  • the metering device comprises a separate housing, in which the reservoir for the adding means, a control device and the metering pump are housed.
  • water passes from the tub into the metering device, in which water the adding agent is added.
  • the added water with the admixing agent is pumped into the washing machine via a second line in the area of the flushing channel for the fresh water inlet.
  • the one revealed here Metering device is designed as a separate Beistell réelle for which an additional fixed predetermined place must be provided laterally next to the washing machine.
  • a complex connection of the metering device to the washing machine via two hoses or pipes and a cable for powering the pump and for signal or data transmission are also necessary.
  • the accessibility to the containers for filling or cleaning is hampered by the cramped arrangement.
  • a metering device which serves a receptacle for receiving a further container or canister with liquid detergent.
  • the receptacle also provides the connection for the flow of the adding agent between the reservoir and the other connecting lines to the washing machine ready.
  • the canister has a screw-on outlet attachment into which a valve device is inserted instead of the closure cap. In an operative condition, the canister is inserted with the discharge lug down into the receptacle, the valve means cooperating with a pipe stub located on the underside, thereby providing a flow connection without leaks during plugging.
  • the interior of the receptacle is designed for the dimensions of the male canister.
  • a washing machine with a metering device for liquid adding means is known, which is arranged in the detergent dispenser drawer within the washing machine housing.
  • a valve and conveyor is fixedly arranged in the washing machine, wherein the container, which is shaped precisely adapted for the receiving space within the washing machine, is removable.
  • a metering device for a washing machine which comprises separate storage containers for different detergents or adding means for washing and / or rinsing.
  • the containers can be connected via lines to the washing machine, wherein a fixed location is provided for the container.
  • the additive For filling, the additive must be poured into the localized container.
  • the cleaning of the container is quite complicated in terms of handling, since at least the connection hose must be removed to remove the container.
  • the invention is thus based on the object of providing a metering device, which can be integrated into a washing machine, for essentially liquid adding agents, which is simple in construction and simple and always reliable to handle.
  • the flow of the adding agent from the reservoir is provided through the pipe section and through the hollow mandrel to the connecting pipe.
  • the addition agent flows through the tubular mandrel through the connection line and then into the tub.
  • a sleeve is slipped over the hollow mandrel, which causes an opening or closing of the hollow mandrel by displacement on the hollow mandrel.
  • a valve function is provided on or for the connection-side section of the coupling point, such that when the reservoir is removed, no adding agent or washing liquid can escape from the connection line through the mandrel.
  • the hollow mandrel has on the second side laterally to the extension of the mandrel at least one opening, wherein it is closed at the front end side.
  • a further annular seal arranged to provide a liquid-tight connection between the mandrel and sleeve in the closed state.
  • cylindrical pipe section is formed at its free end outside of the reservoir as a nozzle, which serves to receive the sleeve.
  • the nozzle has frontally a conical, peripheral edge, wherein the sleeve at the free end comprises a corresponding hollow profile for centering the nozzle with the sleeve.
  • a part of the coupling device or the container can be designed to be movable with a high tolerance, wherein the engagement of the conical end of the sleeve at the edge of the sleeve takes place independent centering of the two coupling points to each other.
  • the mandrel is fixed and the reservoir in the direction of the longitudinal extension of the mandrel slidably mounted on or in the washing machine.
  • the connection is created automatically when inserting the respective storage container.
  • the metering device comprises a first spring means for providing a restoring force for holding or moving the sleeve in the closed position and a second spring means for providing a restoring force for holding or moving the piston in the closed position.
  • the metering device comprises a metering pump interposed in the connecting line for feeding the adding agent to the tub.
  • the invention further relates to a washing machine having a tub disposed in a housing and a rotatably mounted within the tub drum for receiving the laundry to be treated, comprising a disposed within the housing metering device, as described above, wherein the at least one storage container housed below the tub and front is pulled out of the housing.
  • a conventional detergent drawer can be arranged above the tub to allow detergent addition, if no detergent from one of the reservoir is to be supplied to the washing process.
  • the metering device comprises at least two storage containers with a coupling device assigned to the respective storage container and
  • the storage containers are individually movable from the machine housing like a drawer.
  • the storage containers are held in a receiving device in the manner of a pull-out rack or a drawer and moved together out of the housing.
  • the metering device is mounted such that the connecting line opens into a Waschstoffein Why Steiners, in a pipe between the flushing device and the tub or directly in the tub.
  • Fig. 1 is a purely schematic representation of a washing machine 1, shown with a tub 2.
  • the position and direction information refer to the operational installation position of the washing machine 1.
  • a rotatably mounted and driven by an electric motor 13 drum 3 is arranged, which moves laundry items located in the tub 2 during a wash cycle.
  • the drum 3 is made in the present embodiment of stainless steel and provided with a plurality of openings for the flooding.
  • the housing 4 has a loading opening 9, via which the interior of the drum 3 can be reached through the sealing sleeve 6.
  • the loading opening 9 can be closed by means of a door 5.
  • a radiator 7 is arranged, which can heat the washing liquid in the tub.
  • an inlet valve 15 is sketched, which provides the running in of the water from the supply network.
  • the water is passed through the connecting pipe 14 in the tub 2, wherein in the dispenser 11 or in a drawer 11 stored in the drawer 11 a typed detergent can be flushed into the tub 2.
  • a drain device 12 is arranged, which leads the spent washing liquid or the rinse water from the tub 2 to the drain line, which usually opens into a sewer.
  • the control device 18 controls the inlet valve 15, the activity of the drain device 12, the drive motor 13, which via a power unit or a frequency converter
  • the washing machine 1 further comprises an automatically controlled metering device 8 for liquid or viscous adding means 22 which is disposed within the washing machine housing 4.
  • liquid detergents, washing additives or flushing additives such as fabric softeners, are used as adding agent 22.
  • the metering device 8 comprises a pump 17, which conveys the adding agent 22 to the lower region of the tub 2 via a connecting line 20, which is designed here as a hose line, and enters the caustic container 2 via a lip valve 32 or a nozzle.
  • the hose 20 is designed and installed so flexible that it can absorb or compensate for the movements of the tub 2 with.
  • Fig. 2 shows the washing machine in a perspective view from the front. It can be seen here that the containers 21a and 21b can be pulled out of an opening 4b in the front wall 4a and pushed in again. The containers 21a and 21b are to be moved individually.
  • Fig. 3 shows an embodiment of the washing machine 1, in which three containers 21a, 21b, 21c are housed in a sliding receptacle 33 acting as a thrust. In this case, upon displacement of the thrust 33, all storage containers 21a, 21b, 21c located therein are pulled out of the housing 4 or pushed in together.
  • the detergent drawer 11a is still ready for use in both embodiments, so that when using a special treatment agent, this can be supplied to the Waschstoffein Kunststoff Toondurban 11 via the drawer 11a.
  • the containers 21a, 21b, 21c are each individually refillable or alternatively designed as a disposable cartridge. The combination or replacement of a refillable container with a disposable cartridge or vice versa is also possible.
  • Fig. 4a shows the coupling device 16, in which the reservoir 21a is still separated from the connecting line 20.
  • the coupling device 16 comprises a hollow mandrel 25, to which the connecting line 20 is connected on its first side 25a.
  • a sleeve 26 is slipped over, which closes the openings 27 of the hollow mandrel 25.
  • a ring seal 28, 29 is mounted on the hollow mandrel 25 in front of the openings 25 and behind each.
  • the coupling device 16 comprises a cylindrical tube section 23, in which a movable piston 24 is arranged. The piston 24 is in this case in the closed position.
  • the rim portion 31 of the nozzle 30 is tapered or beveled or chamfered so that the free end 26a of the sleeve 26 can center or position thereon when these two ends come into contact.
  • Fig. 4b shows the coupling device 16, in which the reservoir is inserted so far into the device housing 4, that the edge 31 of the nozzle 30 with the edge 26 a of the sleeve 26 enters into connection.
  • the hollow mandrel 25 is in this case still closed, since the openings 27 are covered by the sleeve 26.
  • the valve in the container 21 a which is formed by the pipe section 23 and the piston 24 is still closed because the piston 24 has not been moved to the open position.
  • Fig. 4c shows the coupling device 16 in the transition situation in which the mandrel 25 and the openings 27 of the mandrel 35 leave the effective range of the sleeve 26.
  • the piston 24 is still in the closed position.
  • Fig. 4d shows the coupling device in the final coupled situation.
  • the mandrel 25 is located so far in the tube section 23 of the container that the openings 27 provide a connection there for the flow of the addition agent.
  • the seal 29 prevents leakage to the outside.
  • the piston 24 has been moved in this situation by means of the mandrel end in the open position. In this situation, the flow from the interior of the reservoir 21a to the pipe section 23 is released.
  • the adding agent can flow through the openings 27 into the interior of the hollow mandrel 25 and reach the connecting line 20, which is connected to the first side 25a of the hollow mandrel.
  • a pump 17 can be used to convey the adding agent.
  • the amount and the period of the dosage are controlled by the control device 18 of the washing machine 1.
  • the principle of the coupling explained here also applies to the other storage containers 21b and 21c (FIG. Fig. 2 and Fig. 3 ). Furthermore, the separation of a container 21a from the mandrel 25 and the connecting line 20 takes place in the reverse order.
  • Fig. 5 shows in a perspective view of the coupling device 16. It can be seen that at the reservoir 21a in the lower region, a nozzle 30 is formed, which has a conical or beveled circumferential edge 31. The hollow mandrel 25 is inserted into the socket 30 here. The sleeve 26 is shown pushed back so that the edge of the nozzle can be seen. In the handling according to use, the situation shown can not occur because when coupling the sleeve 26 is first connected to the nozzle 30. When separating the connection, so when pulling out of the reservoir 21a, the nozzle 30 is the last action separated from the sleeve 26.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Description

Die Erfindung betrifft eine Dosiereinrichtung für eine Waschmaschine mit einem in einem Gehäuse angeordneten Laugenbehälter und einer innerhalb des Laugenbehälters drehbar gelagerten Trommel zur Aufnahme der zu behandelnden Wäschestücke, umfassend zumindest einen Vorratsbehälter zur Aufnahme eines im Wesentlichen flüssigen oder zähflüssigen Zugabemittels wie Waschmittel oder Wasch- oder Spülzusätze und eine Verbindungsleitung für den Durchfluss des Zugabemittels von dem Vorratsbehälter zum Laugenbehälter, wobei der Vorratsbehälter mittels einer Kopplungseinrichtung mit der Verbindungsleitung verbunden oder getrennt werden kann und wobei die Kopplungseinrichtung ein Ventil umfasst, das das Ausfließen des Zugabemittels aus dem Vorratsbehälter bereitstellt, sobald der Vorratsbehälter in der betriebsgemäßen Position an der Verbindungsleitung angekoppelt ist.The invention relates to a metering device for a washing machine with a tub disposed in a housing and a rotatably mounted within the tub drum for receiving the laundry to be treated, comprising at least one storage container for receiving a substantially liquid or viscous adding agent such as detergent or washing or rinsing additives and a connecting line for the flow of the adding agent from the storage container to the tub, wherein the reservoir can be connected or disconnected to the connecting line by means of a coupling device and wherein the coupling device comprises a valve which provides the outflow of the adding agent from the storage container as soon as the storage container in the operational position is coupled to the connection line.

Eine Dosiereinrichtung für flüssige Zugabemittel ist aus der DE 32 04 521 A1 bekannt. Hierbei ist ein Vorratsbehälter für flüssige Waschmittel und eine Dosierpumpe innerhalb der Waschmaschine angeordnet. Die Dosierpumpe fördert das flüssige Waschmittel über eine Schlauchleitung in den oberen Bereich des Laugenbehälters oder alternativ in ein Fach der Waschmitteleinspülschublade.A metering device for liquid adding agent is from the DE 32 04 521 A1 known. Here, a reservoir for liquid detergent and a metering pump is disposed within the washing machine. The metering pump conveys the liquid detergent via a hose in the upper region of the tub or alternatively in a compartment of Waschmitteleinflülschublade.

Die Dosiereinrichtungen der genannten Art haben den Nachteil, dass der Behälter zur Befüllung oder zur Reinigung schlecht zugänglich ist.The metering devices of the type mentioned have the disadvantage that the container is difficult to access for filling or for cleaning.

Die DE 32 46 127 A1 offenbart eine Dosiereinrichtung für eine Waschmaschine, die einen Vorratsbehälter und eine Kopplungseinrichtung umfasst, damit der Vorratsbehälter von einer Verbindungsleitung getrennt werden kann. Die Kopplungseinrichtung umfasst einen Rohrabschnitt im Vorratsbehälter, in den ein Kolben zwischen einer geöffneten und einer geschlossenen Position bewegbar ist. Der Kolben ist durch einen feststehenden Hohldorn an der Verbindungsleitung bewegbar. Aus der GB 2 134 612 A ist eine entsprechende Kopplungseinrichtung für eine Flüssigkeitsleitung in Haushaltgeräten bekannt.The DE 32 46 127 A1 discloses a metering device for a washing machine, which comprises a reservoir and a coupling device, so that the reservoir can be separated from a connecting line. The coupling device comprises a pipe section in the reservoir, in which a piston between an open and a closed position is movable. The piston is movable by a fixed hollow mandrel on the connecting line. From the GB 2 134 612 A is a corresponding coupling device for a liquid line in household appliances known.

Aus der DE 33 02 893 C2 ist eine Dosiereinrichtung für eine Waschmaschine bekannt, die separat von der Waschmaschine aufgestellt wird. Die Dosiereinrichtung umfasst ein eigenes Gehäuse, in dem die Vorratsbehälter für die Zugabemittel, eine Steuerungseinrichtung und die Dosierpumpe untergebracht sind. Über Schlauchverbindungen gelangt Wasser aus dem Laugenbehälter in die Dosiereinrichtung, in der diesem Wasser das Zugabemittel beigemischt wird. Das mit dem Zugabemittel versetzte Wasser wird über eine zweite Leitung in Bereich des Einspülkanals für den Frischwasserzulauf in die Waschmaschine gepumpt. Die hier offenbarte Dosiereinrichtung ist als separates Beistellgerät ausgeführt, für das ein zusätzlicher fest vorbestimmter Platz seitlich neben der Waschmaschine vorgesehen werden muss. Eine aufwändige Verbindung der Dosiereinrichtung an die Waschmaschine über zwei Schläuche oder Rohre und einem Kabel zur Energieversorgung der Pumpe sowie zur Signal- bzw. Datenübertragung sind ebenfalls notwendig. Die Zugänglichkeit zu den Behältern zur Befüllung oder zur Reinigung ist durch die beengte Anordnung erschwert.From the DE 33 02 893 C2 a metering device for a washing machine is known, which is placed separately from the washing machine. The metering device comprises a separate housing, in which the reservoir for the adding means, a control device and the metering pump are housed. By means of hose connections, water passes from the tub into the metering device, in which water the adding agent is added. The added water with the admixing agent is pumped into the washing machine via a second line in the area of the flushing channel for the fresh water inlet. The one revealed here Metering device is designed as a separate Beistellgerät for which an additional fixed predetermined place must be provided laterally next to the washing machine. A complex connection of the metering device to the washing machine via two hoses or pipes and a cable for powering the pump and for signal or data transmission are also necessary. The accessibility to the containers for filling or cleaning is hampered by the cramped arrangement.

Aus der EP 0 268 451 A2 ist eine Dosiereinrichtung bekannt, die einen Aufnahmebehälter zur Aufnahme eines weiteren Behälters bzw. Kanisters mit flüssigem Waschmittel dient. Der Aufnahmebehälter stellt ferner die Verbindung für den Durchfluss des Zugabemittels zwischen dem Vorratsbehälter und den weiteren Verbindungsleitungen zur Waschmaschine bereit. Der Kanister besitzt einen verschraubbaren Auslassansatz, in den eine Ventileinrichtung anstelle des Verschlussdeckels eingesetzt ist. In betriebsgemäßem Zustand wird der Kanister mit dem Auslassansatz nach unten in den Aufnahmebehälter eingesetzt, wobei die Ventileinrichtung mit einem an der Unterseite angeordneten Rohrstutzen zusammenwirkt, wodurch eine Durchflussverbindung ohne Leckagen während des Aufsteckens geschaffen wird. Der Innenraum des Aufnahmebehälters ist auf die Maße des aufzunehmenden Kanisters ausgelegt.From the EP 0 268 451 A2 a metering device is known which serves a receptacle for receiving a further container or canister with liquid detergent. The receptacle also provides the connection for the flow of the adding agent between the reservoir and the other connecting lines to the washing machine ready. The canister has a screw-on outlet attachment into which a valve device is inserted instead of the closure cap. In an operative condition, the canister is inserted with the discharge lug down into the receptacle, the valve means cooperating with a pipe stub located on the underside, thereby providing a flow connection without leaks during plugging. The interior of the receptacle is designed for the dimensions of the male canister.

Aus der EP 2 251 480 A1 ist eine Waschmaschine mit einer Dosiereinrichtung für flüssige Zugabemittel bekannt, die im Bereich der Waschmitteleinspülschublade innerhalb des Waschmaschinengehäuses angeordnet ist. Hierbei ist eine Ventil- und Fördereinrichtung feststehend in der Waschmaschine angeordnet, wobei der Behälter, der genau für den Aufnahmeraum innerhalb der Waschmaschine angepasst geformt ist, herausnehmbar ist.From the EP 2 251 480 A1 a washing machine with a metering device for liquid adding means is known, which is arranged in the detergent dispenser drawer within the washing machine housing. Here, a valve and conveyor is fixedly arranged in the washing machine, wherein the container, which is shaped precisely adapted for the receiving space within the washing machine, is removable.

Aus der DE 29 20 492 A1 ist eine Dosiereinrichtung für eine Waschmaschine bekannt, die gesonderte Vorratsbehälter für unterschiedliche Waschmittel bzw. Zugabemittel zum Waschen und/oder Spülen umfasst. Die Behälter sind über Leitungen an die Waschmaschine anschließbar, wobei für die Behälter ein festgelegter Ort vorgesehen ist. Zur Befüllung muss das Zugabemittel in den örtlich festgelegten Behälter eingefüllt werden. Die Reinigung des Behälters ist hinsichtlich der Handhabung recht aufwändig, da zum Entfernen des Behälters zumindest der Verbindungsschlauch demontiert werden muss.From the DE 29 20 492 A1 a metering device for a washing machine is known, which comprises separate storage containers for different detergents or adding means for washing and / or rinsing. The containers can be connected via lines to the washing machine, wherein a fixed location is provided for the container. For filling, the additive must be poured into the localized container. The cleaning of the container is quite complicated in terms of handling, since at least the connection hose must be removed to remove the container.

Der Erfindung liegt somit Aufgabe zugrunde, eine in eine Waschmaschine integrierbare Dosiereinrichtung für im Wesentlichen flüssige Zugabemittel bereitzustellen, die einfach im Aufbau und einfach und stets zuverlässig zu handhaben ist.The invention is thus based on the object of providing a metering device, which can be integrated into a washing machine, for essentially liquid adding agents, which is simple in construction and simple and always reliable to handle.

Erfindungsgemäß wird die Aufgabe durch eine Dosiereinrichtung mit den Merkmalen des Patentanspruchs 1 und durch eine Waschmaschine mit den Merkmalen des Anspruchs 10 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den jeweils abhängigen Ansprüchen.According to the invention the object is achieved by a metering device having the features of patent claim 1 and by a washing machine having the features of claim 10. Advantageous embodiments and modifications of the invention will become apparent from the respective dependent claims.

Die mit der Erfindung erreichbaren Vorteile bestehen neben dem geringen Platzbedarf und der zuverlässigen Funktion darin, dass beim Herausnehmen eines Vorratsbehälters ein Auslaufen von restlichem in Leitungen befindlichem Zugabemittel sicher vermieden wird. Auch ein Behälterwechsel bei nicht vollständig entleertem Behälter ist jederzeit möglich, sodass hinsichtlich der Benutzung von verschiedenen Zugabemitteln, wie Waschmitteln, kaum Grenzen gesetzt sind. Hierzu umfasst die Kopplungseinrichtung der Dosiereinrichtung

  • einen Rohrabschnitt im Vorratsbehälter,
  • einen Kolben, der innerhalb des Rohrabschnitts zwischen einer geöffneten Position und einer geschlossenen Position bewegbar ist und dadurch eine Ventilfunktion bereitstellt,
  • einen Hohldorn, der an einer ersten Seite in die Verbindungsleitung übergeht oder mit dieser verbunden ist und an einer zweiten Seite abschnittsweise in den Rohrabschnitt bereichs weise eindringen und den Kolben in die geöffnete Position bewegen kann und somit das vorstehend bezeichnete Ventil betätigt.
The achievable with the present invention consist in addition to the small footprint and the reliable function is that when removing a reservoir leakage of residual in lines befindlichem addition means is reliably avoided. A container change in not completely emptied container is possible at any time, so that in terms of the use of various additives, such as detergents, hardly any limits. For this purpose, the coupling device comprises the metering device
  • a pipe section in the reservoir,
  • a piston movable within the tube section between an open position and a closed position, thereby providing a valve function,
  • a hollow mandrel, which merges on a first side in the connecting line or is connected thereto and on a second side in sections in the pipe section area wise penetrate and can move the piston in the open position, and thus actuates the valve referred to above.

Nach der Positionierung in die geöffnete Position wird der Durchfluss des Zugabemittels aus dem Vorratsbehälter durch den Rohrabschnitt und durch den Hohldorn zur Verbindungsleitung bereitgestellt. Das Zugabemittel fließt dabei durch den röhrenförmigen Dorn hindurch zur Verbindungsleitung und danach in den Laugenbehälter.After positioning in the open position, the flow of the adding agent from the reservoir is provided through the pipe section and through the hollow mandrel to the connecting pipe. The addition agent flows through the tubular mandrel through the connection line and then into the tub.

In einer vorteilhaften Ausführung ist auf dem Hohldorn eine Hülse übergestülpt ist, die durch Verschiebung auf dem Hohldorn ein Öffnen oder Verschließen des Hohldorns bewirkt. Hierdurch wird eine Ventilfunktion am bzw. für den verbindungsseitigen Abschnitt der Kopplungsstelle bereitgestellt, in der Art, dass bei entferntem Vorratsbehälter kein Zugabemittel oder Waschflüssigkeit aus der Verbindungsleitung durch den Dorn austreten kann.In an advantageous embodiment, a sleeve is slipped over the hollow mandrel, which causes an opening or closing of the hollow mandrel by displacement on the hollow mandrel. As a result, a valve function is provided on or for the connection-side section of the coupling point, such that when the reservoir is removed, no adding agent or washing liquid can escape from the connection line through the mandrel.

In einer zweckmäßigen Weiterbildung besitzt der Hohldorn auf der zweiten Seite seitlich zur Erstreckung des Dorns zumindest eine Öffnung, wobei er an seinem Ende stirnseitig geschlossen ist. Auf dem Dorn ist zwischen der Öffnung und dem Dornende eine Ringdichtung und/oder zwischen der Öffnung und der Seite zur Verbindungsleitung eine weitere Ringdichtung angeordnet, um im geschlossenen Zustand zwischen Dorn und Hülse eine flüssigkeitsdichte Verbindung bereitzustellen.In an expedient development of the hollow mandrel has on the second side laterally to the extension of the mandrel at least one opening, wherein it is closed at the front end side. On the mandrel between the opening and the mandrel end of a ring seal and / or between the opening and the side to the connecting line, a further annular seal arranged to provide a liquid-tight connection between the mandrel and sleeve in the closed state.

Zur Bereitstellung einer gut zugänglichen Kopplung ist der zylindrische Rohrabschnitt an seinem freien Ende außerhalb des Vorratsbehälters als Stutzen ausgebildet, der zur Aufnahme der Hülse dient.To provide an easily accessible coupling of the cylindrical pipe section is formed at its free end outside of the reservoir as a nozzle, which serves to receive the sleeve.

In einer zweckmäßigen Weiterbildung besitzt der Stutzen stirnseitig einen konischen, umlaufenden Rand, wobei die Hülse am freien Ende ein korrespondierendes Hohlprofil umfasst zur Zentrierung des Stutzens mit der Hülse. Somit kann ein Teil der Kopplungseinrichtung bzw. der Behälter beweglich mit einer hohen Toleranz ausgeführt sein, wobei beim Eingriff des konischen Stutzenendes am Hülsenrand eine selbständige Zentrierung der beiden Kopplungsstellen zueinander stattfindet.In an expedient development of the nozzle has frontally a conical, peripheral edge, wherein the sleeve at the free end comprises a corresponding hollow profile for centering the nozzle with the sleeve. Thus, a part of the coupling device or the container can be designed to be movable with a high tolerance, wherein the engagement of the conical end of the sleeve at the edge of the sleeve takes place independent centering of the two coupling points to each other.

In einer vorteilhaften Ausführung ist die Hülse auf dem Dorn derart positioniert, dass beim Eindringen des Dorns in den Rohrabschnitt des Vorratsbehälters eine relative Verschiebung der Hülse auf dem Dorn zum Öffnen des Dorns stattfindet. Dadurch wird eine sequentielle Abfolge der Verbindung zwischen Vorratsbehälter und der Verbindungsleitung bereitgestellt, in der Reihenfolge:

  • Anlage der Hülse und des Dorns an dem Rohrabschnitt des Vorratsbehälters, wobei der Dorn durch die Hülse verschlossen ist und der Vorratsbehälter durch den Kolben im Rohrabschnitt verschlossen ist, wobei ferner die Hülse nahezu dichtend am Öffnungsrand des Rohrabschnitts anliegt,
  • Öffnen des Dorns aufgrund der Verschiebung der Hülse auf dem Dorn
  • Öffnen des Ventils im Vorratsbehälter durch Verschieben des Kolbens im Rohrabschnitt.
In an advantageous embodiment, the sleeve is positioned on the mandrel such that upon penetration of the mandrel into the tubular portion of the reservoir, relative displacement of the sleeve on the mandrel to open the mandrel occurs. This will be a sequential sequence the connection between the reservoir and the connection line provided, in the order:
  • Arrangement of the sleeve and the mandrel on the pipe section of the reservoir, wherein the mandrel is closed by the sleeve and the reservoir is closed by the piston in the pipe section, wherein further the sleeve abuts almost sealingly on the opening edge of the pipe section,
  • Opening the mandrel due to the displacement of the sleeve on the mandrel
  • Opening the valve in the reservoir by moving the piston in the pipe section.

In einer vorteilhaften Weiterbildung ist der Dorn feststehend und der Vorratsbehälter in Richtung der Längserstreckung des Dorns verschiebbar am oder in der Waschmaschine angebracht. Dadurch wird die Verbindung beim Einschieben des jeweiligen Vorratsbehälters selbständig geschaffen.In an advantageous development of the mandrel is fixed and the reservoir in the direction of the longitudinal extension of the mandrel slidably mounted on or in the washing machine. As a result, the connection is created automatically when inserting the respective storage container.

In einer insgesamt zweckmäßigen Ausführung umfasst die Dosiereinrichtung ein erstes Federmittel zur Bereitstellung einer Rückstellkraft zum Halten oder Bewegen der Hülse in die Schließposition und ein zweites Federmittel zur Bereitstellung einer Rückstellkraft zum Halten oder Bewegen des Kolbens in die Schließposition. Dadurch wird erreicht, dass beim Entfernen des Dorns aus dem Rohrabschnitt ein zuverlässiges und selbständiges Schließen der Ventilvorrichtung im Vorratsbehälter und ein selbständiges Schließen der Öffnung im Dorn erfolgt. Dadurch wird verhindert, dass bei diesem Vorgang Zugabemittel aus der Verbindungsleitung oder aus dem Behälter heraustritt.In a generally advantageous embodiment, the metering device comprises a first spring means for providing a restoring force for holding or moving the sleeve in the closed position and a second spring means for providing a restoring force for holding or moving the piston in the closed position. This ensures that when removing the mandrel from the pipe section a reliable and independent closing of the valve device in the reservoir and an independent closing of the opening takes place in the mandrel. This prevents adding agent from the connection line or from the container during this process.

In einer weiteren, zweckmäßigen Ausführung umfasst die Dosiereinrichtung eine in der Verbindungsleitung zwischengeschaltete Dosierpumpe zum Zuführen des Zugabemittels zum Laugenbehälter. Damit kann der Einbauort des Vorratsbehälters und die Leitungsverlegung innerhalb des Gerätegehäuses freier gestaltet werden und ist nicht abhängig von der Ausnutzung der Schwerkraft.In a further expedient embodiment, the metering device comprises a metering pump interposed in the connecting line for feeding the adding agent to the tub. Thus, the installation of the reservoir and the wiring inside the device housing can be made more free and is not dependent on the use of gravity.

Die Erfindung betrifft ferner eine Waschmaschine mit einem in einem Gehäuse angeordneten Laugenbehälter und einer innerhalb des Laugenbehälters drehbar gelagerten Trommel zur Aufnahme der zu behandelnden Wäschestücke, umfassend eine innerhalb des Gehäuses angeordneten Dosiereinrichtung, wie vorstehend beschrieben, wobei der zumindest eine Vorratsbehälter unterhalb des Laugenbehälters untergebracht und frontseitig aus dem Gehäuse herauziehbar ist. Damit kann oberhalb des Laugenbehälters eine herkömmliche Waschmittelschublade angeordnet werden, um eine Waschmittelzugabe zu ermöglichen, wenn kein Waschmittel aus einem der Vorratsbehälter dem Waschprozess zugeführt werden soll.The invention further relates to a washing machine having a tub disposed in a housing and a rotatably mounted within the tub drum for receiving the laundry to be treated, comprising a disposed within the housing metering device, as described above, wherein the at least one storage container housed below the tub and front is pulled out of the housing. Thus, a conventional detergent drawer can be arranged above the tub to allow detergent addition, if no detergent from one of the reservoir is to be supplied to the washing process.

In einer vorteilhaften Weiterbildung umfasst die Dosiereinrichtung zumindest zwei Vorratsbehälter mit einer dem jeweiligen Vorratsbehälter zugeordneten Kopplungseinrichtung undIn an advantageous development, the metering device comprises at least two storage containers with a coupling device assigned to the respective storage container and

Dosierpumpe. Damit kann für unterschiedliche Wäschearten das jeweils passende Behandlungsmittel vorgehalten werden.Metering pump. This can be maintained for different types of laundry the appropriate treatment agent.

In einer zweckmäßigen Weiterbildung sind die Vorratsbehälter jeweils einzeln aus dem Maschinengehäuse schubladenartig bewegbar. In einer alternativen Ausführung sind die Vorratsbehälter in einer Aufnahmevorrichtung in der Art eines Auszuggestells oder einer Schublade gehalten und gemeinsam aus dem Gehäuse bewegbar.In an expedient development, the storage containers are individually movable from the machine housing like a drawer. In an alternative embodiment, the storage containers are held in a receiving device in the manner of a pull-out rack or a drawer and moved together out of the housing.

In der Waschmaschine ist die Dosiereinrichtung derart angebracht, dass die Verbindungsleitung in einer Waschmitteleinspüleinrichtung, in einem Rohr zwischen der Einspüleinrichtung und dem Laugenbehälter oder unmittelbar im Laugenbehälter mündet.In the washing machine, the metering device is mounted such that the connecting line opens into a Waschmitteleinspüleinrichtung, in a pipe between the flushing device and the tub or directly in the tub.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen rein schematisch dargestellt und wird nachfolgend näher beschrieben. Es zeigen:

Fig. 1:
die an eine Waschmaschine angeschossene Dosiereinrichtung in schematischer Darstellung;
Fig. 2, 3:
die Waschmaschine in einer perspektivischen Ansicht in zwei Ausführungen;
Fig. 4a - 4d:
die Koppeleinrichtung in verschiedenen Situationen und
Fig. 5
die Koppeleinrichtung in einer perspektivischen Ansicht.
An embodiment of the invention is shown purely schematically in the drawings and will be described in more detail below. Show it:
Fig. 1:
the metering device attached to a washing machine in a schematic representation;
2, 3:
the washing machine in a perspective view in two versions;
FIGS. 4a-4d:
the coupling device in different situations and
Fig. 5
the coupling device in a perspective view.

In Fig. 1 ist in rein schematischer Darstellung eine Waschmaschine 1, mit einem Laugenbehälter 2 dargestellt. Die Positions- und Richtungsangaben beziehen sich auf die betriebsgemäße Aufstellposition der Waschmaschine 1. Innerhalb des Laugenbehälters 2 ist eine drehbar gelagerte und über einen elektrischen Motor 13 angetriebene Trommel 3 angeordnet, die bei einem Waschgang im Laugenbehälter 2 befindliche Wäschestücke bewegt. Die Trommel 3 ist im vorliegenden Ausführungsbeispiel aus Edelstahl hergestellt und mit einer Vielzahl an Öffnungen für die Durchflutung versehen. Das Gehäuse 4 hat eine Beladungsöffnung 9, über die das Innere der Trommel 3 durch die Dichtungsmanschette 6 hindurch erreichbar ist. Die Beladungsöffnung 9 ist mittels einer Tür 5 verschließbar. Im unteren Bereich des Laugenbehälters 2 ist ein Heizkörper 7 angeordnet, der die Waschflüssigkeit im Laugenbehälter erhitzen kann. Im oberen Bereich der Maschine 1 ist ein Einlassventil 15 skizziert, welches das Einlaufen des Wassers aus dem Versorgungsnetz bereitstellt. Über den Einspülkasten 11 wird das Wasser über das Verbindungsrohr 14 in den Laugenbehälter 2 geleitet, wobei im Einspülkasten 11 bzw. in einer im Einspülkasten 11 gelagerten Schublade 11 a eingegebenes Waschmittel mit in den Laugenbehälter 2 gespült werden kann. Unterhalb des Laugenbehälters 2 ist eine Ablaufeinrichtung 12 angeordnet, die die verbrauchte Waschflüssigkeit oder das Spülwasser aus dem Laugenbehälter 2 zur Ablaufleitung herausführt, die in der Regel in einen Abwasserkanal mündet. Die Steuereinrichtung 18 steuert das Einlassventil 15, die Aktivität der Ablaufeinrichtung 12 den Antriebsmotor 13, der über ein Leistungsteil oder einen Frequenzumrichter (nicht dargestellt) bestromt wird, und den Heizkörper 7. Die Waschmaschine 1 umfasst ferner eine automatisch gesteuerte Dosiereinrichtung 8 für flüssige oder zähflüssige Zugabemittel 22, die innerhalb des Waschmaschinengehäuses 4 angeordnet ist. Als Zugabemittel 22 werden beispielsweise flüssige Waschmittel, Waschzusätze oder Spülzusätze, wie Weichspüler verwendet.In Fig. 1 is a purely schematic representation of a washing machine 1, shown with a tub 2. The position and direction information refer to the operational installation position of the washing machine 1. Within the tub 2 a rotatably mounted and driven by an electric motor 13 drum 3 is arranged, which moves laundry items located in the tub 2 during a wash cycle. The drum 3 is made in the present embodiment of stainless steel and provided with a plurality of openings for the flooding. The housing 4 has a loading opening 9, via which the interior of the drum 3 can be reached through the sealing sleeve 6. The loading opening 9 can be closed by means of a door 5. In the lower region of the tub 2, a radiator 7 is arranged, which can heat the washing liquid in the tub. In the upper part of the machine 1, an inlet valve 15 is sketched, which provides the running in of the water from the supply network. About the Einspülkasten 11, the water is passed through the connecting pipe 14 in the tub 2, wherein in the dispenser 11 or in a drawer 11 stored in the drawer 11 a typed detergent can be flushed into the tub 2. Below the tub 2 a drain device 12 is arranged, which leads the spent washing liquid or the rinse water from the tub 2 to the drain line, which usually opens into a sewer. The control device 18 controls the inlet valve 15, the activity of the drain device 12, the drive motor 13, which via a power unit or a frequency converter The washing machine 1 further comprises an automatically controlled metering device 8 for liquid or viscous adding means 22 which is disposed within the washing machine housing 4. For example, liquid detergents, washing additives or flushing additives, such as fabric softeners, are used as adding agent 22.

Die Dosiereinrichtung 8 umfasst in dieser Ausführung eine Pumpe 17, die das Zugabemittel 22 über eine Verbindungsleitung 20, die hier als Schlauchleitung ausgebildet ist, zum unteren Bereich des Laugenbehälters 2 fördert und über ein Lippenventil 32 oder eine Düse in den Laugebehälter 2 einlässt. Die Schlauchleitung 20 ist so flexibel beschaffen und verlegt, dass sie die Bewegungen des Laugenbehälters 2 mit aufnehmen bzw. ausgleichen kann.In this embodiment, the metering device 8 comprises a pump 17, which conveys the adding agent 22 to the lower region of the tub 2 via a connecting line 20, which is designed here as a hose line, and enters the caustic container 2 via a lip valve 32 or a nozzle. The hose 20 is designed and installed so flexible that it can absorb or compensate for the movements of the tub 2 with.

Fig. 2 zeigt die Waschmaschine in einer perspektivischen Ansicht von vorne. Hierbei ist zu erkennen, dass die Behälter 21 a und 21 b aus einer Öffnung 4b in der Frontwand 4a herausgezogen und wieder hineingeschoben werden können. Die Behälter 21a und 21b sind hierbei einzeln zu verschieben. Fig. 3 zeigt eine Ausführung der Waschmaschine 1, bei der drei Behälter 21a, 21b, 21c in einer als Schub fungierenden verschiebbaren Aufnahme 33 untergebracht sind. Hierbei werden bei Verschiebung des Schubs 33 alle darin befindlichen Vorratsbehälter 21a, 21b, 21c gemeinsam aus dem Gehäuse 4 herausgezogen oder hineingeschoben. Die Waschmittelschublade 11a ist bei beiden Ausführungen weiterhin betriebsbereit, sodass bei der Verwendung eines speziellen Behandlungsmittels dies über die Schublade 11a der Waschmitteleinspüleinrichtung 11 zugeführt werden kann. Die Behälter 21a, 21b, 21c sind dabei jeweils einzeln wiederbefüllbar oder alternativ als Einwegkartusche ausgebildet. Die Kombination oder der Austausch eines befüllbaren Behälters durch eine Einwegkartusche oder umgekehrt ist ebenso möglich. Fig. 2 shows the washing machine in a perspective view from the front. It can be seen here that the containers 21a and 21b can be pulled out of an opening 4b in the front wall 4a and pushed in again. The containers 21a and 21b are to be moved individually. Fig. 3 shows an embodiment of the washing machine 1, in which three containers 21a, 21b, 21c are housed in a sliding receptacle 33 acting as a thrust. In this case, upon displacement of the thrust 33, all storage containers 21a, 21b, 21c located therein are pulled out of the housing 4 or pushed in together. The detergent drawer 11a is still ready for use in both embodiments, so that when using a special treatment agent, this can be supplied to the Waschmitteleinspüleinrichtung 11 via the drawer 11a. The containers 21a, 21b, 21c are each individually refillable or alternatively designed as a disposable cartridge. The combination or replacement of a refillable container with a disposable cartridge or vice versa is also possible.

Fig. 4a zeigt die Kopplungseinrichtung 16, bei der der Vorratsbehälter 21a noch von der Verbindungleitung 20 getrennt ist. Auf der Seite der Verbindungsleitung 20 umfasst die Kopplungseinrichtung 16 einen Hohldorn 25, an den auf seiner ersten Seite 25a die Verbindungsleitung 20 angeschlossen ist. Auf der gegenüberliegenden Seite 25b des Dorns 25 ist eine Hülse 26 übergestülpt, die die Öffnungen 27 des Hohldorns 25 verschließt. Hierzu ist auf dem Hohldorn 25 vor den Öffnungen 25 und dahinter jeweils eine Ringdichtung 28, 29 angebracht. Am oder im Vorratsbehälter 21 a umfasst die Kopplungseinrichtung 16 einen zylinderförmigen Rohrabschnitt 23, in den ein beweglicher Kolben 24 angeordnet ist. Der Kolben 24 befindet sich hierbei in der geschlossenen Position. Der Rohrabschnitt 23 mündet außenseitig in einen Stutzen 30. Der Rand 31 des Stutzens 30 ist konisch bzw. im Profil abgeschrägt oder angefast gestaltet, damit sich das freie Ende 26a der Hülse 26 daran zentrieren oder positionieren kann, wenn diese beiden Enden in Verbindung treten. Fig. 4a shows the coupling device 16, in which the reservoir 21a is still separated from the connecting line 20. On the side of the connecting line 20, the coupling device 16 comprises a hollow mandrel 25, to which the connecting line 20 is connected on its first side 25a. On the opposite side 25b of the mandrel 25, a sleeve 26 is slipped over, which closes the openings 27 of the hollow mandrel 25. For this purpose, a ring seal 28, 29 is mounted on the hollow mandrel 25 in front of the openings 25 and behind each. On or in the storage container 21 a, the coupling device 16 comprises a cylindrical tube section 23, in which a movable piston 24 is arranged. The piston 24 is in this case in the closed position. The rim portion 31 of the nozzle 30 is tapered or beveled or chamfered so that the free end 26a of the sleeve 26 can center or position thereon when these two ends come into contact.

Fig. 4b zeigt die Kopplungseinrichtung 16, bei der der Vorratsbehälter so weit in das Gerätegehäuse 4 eingeschoben ist, dass der Rand 31 des Stutzens 30 mit dem Rand 26a der Hülse 26 in Verbindung tritt. Der Hohldorn 25 ist hierbei noch verschlossen, da die Öffnungen 27 von der Hülse 26 abgedeckt werden. Auch das Ventil im Behälter 21 a, das durch den Rohrabschnitt 23 und dem Kolben 24 gebildet wird, ist noch verschlossen, da der Kolben 24 noch nicht in die Offen-Position bewegt wurde. Fig. 4b shows the coupling device 16, in which the reservoir is inserted so far into the device housing 4, that the edge 31 of the nozzle 30 with the edge 26 a of the sleeve 26 enters into connection. The hollow mandrel 25 is in this case still closed, since the openings 27 are covered by the sleeve 26. Also, the valve in the container 21 a, which is formed by the pipe section 23 and the piston 24 is still closed because the piston 24 has not been moved to the open position.

Fig. 4c zeigt die Kopplungseinrichtung 16 in der Übergangssituation, in der der Dorn 25 bzw. die Öffnungen 27 des Dorns 35 den Wirkbereich der Hülse 26 verlassen. Der Kolben 24 befindet sich hierbei weiterhin in der Geschlossen-Position. Fig. 4c shows the coupling device 16 in the transition situation in which the mandrel 25 and the openings 27 of the mandrel 35 leave the effective range of the sleeve 26. The piston 24 is still in the closed position.

Fig. 4d zeigt die Kopplungseinrichtung in der endgültig gekoppelten Situation. Der Dorn 25 befindet sich so weit in dem Rohrabschnitt 23 des Behälters, dass die Öffnungen 27 dort eine Verbindung für den Durchfluss des Zugabemittels bereitstellen. Die Dichtung 29 verhindert dabei Leckagen nach außen. Der Kolben 24 ist in dieser Situation mittels des Dornendes in die geöffnete Position bewegt worden. In dieser Situation ist der Durchfluss vom Inneren des Vorratsbehälters 21a zum Rohrabschnitt 23 freigegeben. Dabei kann das Zugabemittel durch die Öffnungen 27 in das Innere des Hohldorns 25 fließen und in die Verbindungsleitung 20 gelangen, die an der ersten Seite 25a des Hohldorns angeschlossen ist. Wie In Fig. 1 skizziert, kann auch eine Pumpe 17 zum Fördern des Zugabemittels verwendet werden. Die Menge und der Zeitraum der Dosierung werden hierbei von der Steuereinrichtung 18 der Waschmachine 1 gesteuert. Das hier erläuterte Prinzip der Kopplung gilt ebenso für die anderen Vorratsbehälter 21b und 21c (Fig. 2 und Fig. 3). Ferner erfolgt die Trennung eines Behälters 21a von dem Dorn 25 bzw. der Verbindungsleitung 20 entsprechend in umgekehrter Reihenfolge. Fig. 4d shows the coupling device in the final coupled situation. The mandrel 25 is located so far in the tube section 23 of the container that the openings 27 provide a connection there for the flow of the addition agent. The seal 29 prevents leakage to the outside. The piston 24 has been moved in this situation by means of the mandrel end in the open position. In this situation, the flow from the interior of the reservoir 21a to the pipe section 23 is released. In this case, the adding agent can flow through the openings 27 into the interior of the hollow mandrel 25 and reach the connecting line 20, which is connected to the first side 25a of the hollow mandrel. As in Fig. 1 Outlined, a pump 17 can be used to convey the adding agent. The amount and the period of the dosage are controlled by the control device 18 of the washing machine 1. The principle of the coupling explained here also applies to the other storage containers 21b and 21c (FIG. Fig. 2 and Fig. 3 ). Furthermore, the separation of a container 21a from the mandrel 25 and the connecting line 20 takes place in the reverse order.

Fig. 5 zeigt in einer perspektivischen Darstellung die Kopplungseinrichtung 16. Hierbei ist zu erkennen, dass am Vorratsbehälter 21a im unteren Bereich ein Stutzen 30 angeformt ist, der einen konischen oder angefasten umlaufenden Rand 31. Der Hohldorn 25 ist hierbei in den Stutzen 30 eingeschoben. Die Hülse 26 ist zurückgeschoben dargestellt, damit der Rand des Stutzens zu erkennen ist. In der gebrauchsgemäßen Handhabung kann die gezeigt Situation nicht auftreten, da beim Koppeln zuerst die Hülse 26 mit dem Stutzen 30 verbunden wird. Beim Trennen der Verbindung, also beim Herausziehen des Vorratsbehälters 21a, wird der Stutzen 30 als letzte Aktion von der Hülse 26 getrennt. Fig. 5 shows in a perspective view of the coupling device 16. It can be seen that at the reservoir 21a in the lower region, a nozzle 30 is formed, which has a conical or beveled circumferential edge 31. The hollow mandrel 25 is inserted into the socket 30 here. The sleeve 26 is shown pushed back so that the edge of the nozzle can be seen. In the handling according to use, the situation shown can not occur because when coupling the sleeve 26 is first connected to the nozzle 30. When separating the connection, so when pulling out of the reservoir 21a, the nozzle 30 is the last action separated from the sleeve 26.

Claims (11)

  1. Dosing means (8) for a washing machine (1) comprising a suds container (2) arranged in a housing (4) and a drum (3), rotatably mounted inside the suds container (2), for receiving the laundry items to be treated, comprising at least one storage container (21 a, b, c) for receiving a substantially liquid or viscous additive (22), such as detergent or washing- or rinsing additives, a connecting line (20) for the flow of the additive (22) from the storage container (21 a, b, c) to the suds container (2), the storage container (21 a, b, c) being able to be connected to or disconnected from the connecting line (20) by means of a coupling means (16), the coupling means (16) comprising a valve which allows the additive (22) to flow out of the storage container (21 a, b, c) when the storage container (21 a, b, c) is coupled to the connecting line (20) in the operating position,
    the coupling means (16) comprising the following:
    - a tube portion (23) in the storage container (21 a, b, c),
    - a piston (24) which is movable in the tube portion (23) between an open position and a closed position,
    - a hollow pin (25), which at a first end (25a) transitions into the connecting line (20) or is connected thereto, and a second end (25b) of which can penetrate the tube portion (23) at least in regions and can move the piston (24) into the open position, in order to allow the additive (22) to flow out of the storage container (21 a, b, c) through the tube portion (23) and through the hollow pin (25) to the connecting line (20),
    characterised in that
    a sleeve (26) is pulled onto the hollow pin (25) in order to open or close the hollow pin (25) by moving on the hollow pin (25), and in that the free end of the cylindrical tube portion (23) outside the storage container is formed as a connecting piece (30) for receiving the sleeve (26), and in that the end face of the connecting piece (30) has a conical circumferential edge (31) and the free end (26a) of the sleeve (26) has a corresponding hollow profile for centring the connecting piece (30) with the sleeve (26).
  2. Dosing means (8) according to claim 1,
    characterised in that
    the second end (25b) of the hollow pin (25) has at least one opening (27), laterally to the extension of the pin (25), and is closed at its end face, and in that a ring seal (28) is arranged on the pin (25) between the opening (27) and the pin end (25b) and/or a further ring seal (29) is arranged between the opening (27) and the end (25a) with respect to the connecting line (20).
  3. Dosing means (8) according to claim 1,
    characterised in that
    when the pin (25) penetrates the tube portion (23), a relative displacement of the sleeve (26) takes place on the pin (25) for opening the pin (25).
  4. Dosing means (8) according to claim 1,
    characterised in that
    the pin (25) is stationary and the storage container (21 a, b, c) is displaceable in the direction of the longitudinal extension (L) of the pin (25).
  5. Dosing means (8) according to claim 1,
    characterised by
    a first resilient means (34) for providing a restoring force for holding or moving the sleeve (26) into the closure position and a second resilient means (35) for providing a restoring force for holding or moving the piston (24) into the closure position.
  6. Dosing means (8) according to claim 1,
    characterised by
    a dosing pump (17) interposed in the connecting line (20) for feeding the additive (22) to the suds container (2).
  7. Washing machine (1) having a suds container (2) arranged in a housing (4) and a drum (3), rotatably mounted inside the suds container (2), for receiving the laundry items to be treated, comprising a dosing means (8), according to any of claims 1 to 6, arranged inside the housing (4),
    wherein the at least one storage container (21 a, b, c) is stowed below the suds container (2) and can be pulled out of the housing (4) at the front.
  8. Washing machine (1) according to claim 7,
    characterised in that
    the dosing means (8) comprises at least two storage containers (21 a, b) having a coupling means (16) and a dosing pump (17) associated with each storage container (21 a, b).
  9. Washing machine (1) according to claim 8,
    characterised in that
    each of the storage containers (21 a, b) can be moved separately out of the machine housing (4) in the manner of a drawer.
  10. Washing machine (1) according to claim 8,
    characterised in that
    the storage containers (21 a, b, c) are held in a receiving means (33) and can be moved jointly out of the housing (4).
  11. Washing machine (1) according to claim 8,
    characterised in that
    the connecting line (20) opens in a detergent dispensing device (11), in a tube (14) between the dispensing device (11) and the suds container (2), or directly into the suds container (2).
EP11401009.3A 2011-01-19 2011-01-19 Metering device for liquid and viscous dispensing agent for a washing machine and washing machine Active EP2479335B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11401009.3A EP2479335B1 (en) 2011-01-19 2011-01-19 Metering device for liquid and viscous dispensing agent for a washing machine and washing machine
PL11401009T PL2479335T3 (en) 2011-01-19 2011-01-19 Metering device for liquid and viscous dispensing agent for a washing machine and washing machine
ES11401009.3T ES2528342T3 (en) 2011-01-19 2011-01-19 Dosing device for liquid and viscous additives for a washing machine and washing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11401009.3A EP2479335B1 (en) 2011-01-19 2011-01-19 Metering device for liquid and viscous dispensing agent for a washing machine and washing machine

Publications (2)

Publication Number Publication Date
EP2479335A1 EP2479335A1 (en) 2012-07-25
EP2479335B1 true EP2479335B1 (en) 2014-12-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11401009.3A Active EP2479335B1 (en) 2011-01-19 2011-01-19 Metering device for liquid and viscous dispensing agent for a washing machine and washing machine

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EP (1) EP2479335B1 (en)
ES (1) ES2528342T3 (en)
PL (1) PL2479335T3 (en)

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DE102016112551A1 (en) 2016-07-08 2018-01-25 Miele & Cie. Kg Washing machine with a dosing system for washing and care products in storage containers
USD848692S1 (en) 2017-12-21 2019-05-14 Whirlpool Corporation Bulk dispensing drawer
USD866887S1 (en) 2017-12-21 2019-11-12 Whirlpool Corporation Pedestal
USD874764S1 (en) 2017-12-21 2020-02-04 Whirlpool Corporation User interface
USD877431S1 (en) 2017-12-21 2020-03-03 Whirlpool Corporation User interface
USD899720S1 (en) 2017-12-21 2020-10-20 Whirlpool Corporation Laundry treating appliance
USD900418S1 (en) 2017-12-21 2020-10-27 Whirlpool Corporation Laundry treating appliance

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DE102014002955A1 (en) * 2013-03-19 2014-09-25 Marquardt Mechatronik Gmbh metering
DE102013103025A1 (en) 2013-03-25 2014-09-25 Miele & Cie. Kg Reservoir and metering device
EP3114270B1 (en) * 2014-03-04 2020-04-29 LG Electronics Inc. Washing machine
DE102015116919A1 (en) 2015-10-06 2017-04-06 Miele & Cie. Kg Washing machine with a device for the supply of liquid and dosing device for liquid
CN109846438B (en) * 2019-03-27 2024-04-12 中万恩科技有限公司 Dispenser
DE102020102279A1 (en) 2020-01-30 2021-08-05 Miele & Cie. Kg Description Dosing device for a cleaning device, method for operating the dosing device and cleaning device
DE102021120587A1 (en) * 2021-08-09 2023-02-09 Miele & Cie. Kg Valve function group for a liquid-carrying system and liquid-carrying system with a household appliance and a liquid tank
DE102021211725A1 (en) 2021-10-18 2023-04-20 BSH Hausgeräte GmbH Laundry care device with an automatic dosing system

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DD145031A3 (en) 1978-06-12 1980-11-19 Sonja Panhans DEVICE FOR CONTROLLING THE WASHING PROCESS IN HOUSEHOLD WASHING MACHINES
DE3204521A1 (en) 1982-02-10 1983-08-18 Miele & Cie GmbH & Co, 4830 Gütersloh Washing machine with a device for adding liquid and powdery treatment agents
DE3246127A1 (en) * 1982-12-13 1984-06-14 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Appliance having devices for the storage, metering and addition of liquid washing and rinsing agents
DE3302893A1 (en) 1983-01-28 1984-08-02 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Automatically controlled washing machine or dishwasher having a control panel
DE3304264C2 (en) * 1983-02-08 1986-10-30 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Fluid coupling with check valve
GB8326582D0 (en) * 1983-10-05 1983-11-09 Hotpoint Ltd Dispensing arrangement
GB8627598D0 (en) 1986-11-19 1986-12-17 Unilever Plc Liquid dispensing system
EP2251480B1 (en) 2009-05-11 2017-11-29 Electrolux Home Products Corporation N.V. Laundry washing appliance

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016112551A1 (en) 2016-07-08 2018-01-25 Miele & Cie. Kg Washing machine with a dosing system for washing and care products in storage containers
USD848692S1 (en) 2017-12-21 2019-05-14 Whirlpool Corporation Bulk dispensing drawer
USD866887S1 (en) 2017-12-21 2019-11-12 Whirlpool Corporation Pedestal
USD874764S1 (en) 2017-12-21 2020-02-04 Whirlpool Corporation User interface
USD877431S1 (en) 2017-12-21 2020-03-03 Whirlpool Corporation User interface
USD899720S1 (en) 2017-12-21 2020-10-20 Whirlpool Corporation Laundry treating appliance
USD900418S1 (en) 2017-12-21 2020-10-27 Whirlpool Corporation Laundry treating appliance
USD958479S1 (en) 2017-12-21 2022-07-19 Whirlpool Corporation Laundry treating appliance
USD1044174S1 (en) 2017-12-21 2024-09-24 Whirlpool Corporation Combined laundry treating appliance and pedestal

Also Published As

Publication number Publication date
ES2528342T3 (en) 2015-02-09
PL2479335T3 (en) 2015-04-30
EP2479335A1 (en) 2012-07-25

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