EP0829568B1 - Domestic washing machine with pipes for water and air - Google Patents

Domestic washing machine with pipes for water and air Download PDF

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Publication number
EP0829568B1
EP0829568B1 EP97112379A EP97112379A EP0829568B1 EP 0829568 B1 EP0829568 B1 EP 0829568B1 EP 97112379 A EP97112379 A EP 97112379A EP 97112379 A EP97112379 A EP 97112379A EP 0829568 B1 EP0829568 B1 EP 0829568B1
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EP
European Patent Office
Prior art keywords
washing machine
machine according
duct
overflow
washing
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.)
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Application number
EP97112379A
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German (de)
French (fr)
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EP0829568A3 (en
EP0829568A2 (en
Inventor
Horst Dipl.-Ing. Wiemer
Edwin Dipl.-Ing. Bolduan
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BSH Hausgeraete GmbH
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Individual
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • D06F39/088Liquid supply arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02Devices for adding soap or other washing agents
    • D06F39/028Arrangements for selectively supplying water to detergent compartments
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/02Water supply

Definitions

  • the invention relates to a household washing machine with lines for the distributed switched supply of fresh water, for the discharge of used Alkali and for the guidance of pressure equalization air.
  • Such washing machines are known and used (DE 37 34 117 A1) and regularly use more or less flexible pipe or pipe for the said pipes Hose sections for the respective connection of nozzles at different Locations of water or air treatment facilities located in the washing machine.
  • flexible hose lines between the nozzles of electrically switched solenoid valves and the inlet port of a detergent dispenser as well as an equally flexible hose line from the pressure compensation connection an overflow bend on the drain line with a corresponding one
  • sockets on the detergent dispenser to compensate used by pressure differences.
  • individual risers mostly made of flexible hoses between a drain pump and one Plastic overflow bend and - if available - a downpipe from the drain socket of a detergent dispenser to the drain pump housing in the form of a flexible hose line.
  • the invention has for its object in a household washing machine described above the most cost-effective system for water supply within the washing machine. It should be ensured that the for the system required individual parts in terms of numbers and manufacturing technology Require expenses.
  • this object is achieved in that for leading the lines a common plastic cable body from their supply points to their discharge points is provided, the feed line mouths via elastic Sealing sleeves sealingly connected to the supply and discharge locations and mechanically are held.
  • the lines for the Fresh water supply on the input side directly through the outputs of solenoid valves connected.
  • the immediate one is also advantageous in this context output connection of the lines for the supply of fresh water with the inputs of a detergent dispenser. This usually allows two or three individual hose lines between the solenoid valves and the Detergent dispenser along with those needed for sealing Avoid hose clips.
  • the line body also contains a line for guidance of overflow water.
  • Overflow water can, for example, via the detergent dispenser and from there via a directional drain to a drip pan be guided in the level sensor switchgear for overflow protection are arranged.
  • a pressure compensation line is also particularly advantageous in the line body can be integrated to guide pressure equalization air, the input side with a Vent pipe of the detergent dispenser and on the outlet side with a Overflow bend is directly connected.
  • the greatest advantage is a further development of the invention, in which the line body a standpipe and a downpipe for the discharge of the used lye and one contains these two pipes connecting overflow bend. Is of particular advantage thereby that the overflow bend to a return tank lying in the course of the riser pipe connected to retain an amount of lye required for backwashing is.
  • the integration of lye laxatives into the line body offers compared to the manufacture, logistics and assembly of individual line parts and hoses with their connecting elements have the greatest advantage in the integral Design of the management body.
  • the line body can be designed in a simple manner by that it is molded from a plastic blow molded part.
  • At least one tab on the lead body for provisionally holding the lead body is molded on before installing the cable connections.
  • Such tabs can be used for provisional holding of the line body Edges or slits are hung in the housing parts of the washing machine.
  • the invention is based on an exemplary embodiment shown in the drawing explained below.
  • a solenoid valve block on the rear wall 2 3 with two outlets and a detergent dispenser 4 attached.
  • the detergent dispenser 4 has on its rear underside (not visible) two inlet connections for the supply of fresh water and one Overflow nozzle for the removal of from the tub, not shown via the detergent supply line (also not shown) and the detergent dispenser 4 overflowing water.
  • the detergent dispenser has 4 another vent that connects to the free atmosphere Has. This ventilation nozzle regularly serves to remove air from the free atmosphere into an overflow bend in the drainage system so that if the delivery is interrupted of the drain pump, the water column in the riser pipe of the drain removal system tears off and not about the suction cup principle the contents of the tub sucks.
  • a line body 5 is provided, on the riser pipe 6 a water line 7 (individual component) is connected by a drain pump, not shown lye to be pumped out.
  • the integration of line 7 in the Conductor body 5 would be technically possible, for reasons of handling However, assembly is not recommended because the drain pump is very far from the rear wall, namely as far as possible on the front wall of the washing machine should be. Therefore, the lead body 5 would be much too bulky and would for this reason, logistical handling and assembly difficulties prepare.
  • a hose line 9 is connected, which is not closer to one here shown point out of the machine housing 1 and therefore on a Part of their length is shown in dashed lines.
  • the return tank 10 is piping in the course of an overflow bend (Fig. 2) and is designed quite flat and in front of one rear housing edge 11 guided around this edge, on the one hand as much as possible To offer content, but on the other hand as little as possible from the swinging tub assembly to occupy the required vibration space.
  • tabs 12 and 13 are attached to the line body, which by assigned Slots can be inserted in the rear wall of the housing and the cable body 5 give a movable hold in the longitudinal direction of the lines.
  • the line body 5 shown in detail in FIG. 2 contains those already discussed Riser and downpipes 6 and 8 and those arranged in the course of the overflow bend 14 Return tank 10.
  • the liquor to be pumped out of the connecting pipe 7 fills up the nozzle 15 and the riser 6 the return tank 10 before they over the Overflow bend 14 and the downpipe 8 reaches the drain hose 9.
  • the pump pressure subsides in the riser 6
  • the line body 5 also contains fresh water supply lines 17 and 18, the inlet side sockets 19 and 20 via elastic sealing sleeves 21 and 22nd connected to outlet ports (not shown) of the solenoid valves 3, (Fig. 1) are. In the same way, the outlet ports 23 and 24 of the lines 17 and 18 via sealing sleeves 25 and 26 with the inlet port, not shown Detergent dispenser 4 connected. Between the feed lines 17 and 18, a line 27 for guiding overflow water is arranged in the line body 5. At its inlet port 28 is also a sealing sleeve 29 Not visible overflow connection in the detergent dispenser 4 connected.
  • the outlet-side connector 30 of the line 27 can either be free or via a Sealing sleeve 31 open into a water guiding device that discharges Overflow water in a floor pan 32 (Fig. 1) leads, where not shown safety switching devices if necessary, signal the presence of overflow water.
  • the invention is not restricted to the exemplary embodiment shown.
  • the cable routing to the particular circumstances in a washing machine adapt, which also affects the position and position of the connecting piece.
  • further lines can be provided in the line body, for example a fresh leakage water line according to DE 37 34 117 A1. Should the feeder of fresh water and detergent from the detergent dispenser 4 not be connected in the upper part of the tub, but over a longer one Open the line into any area below in the tub, then it is also recommended to integrate the water / detergent line into the Conductor body 5.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)
  • Gas Separation By Absorption (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Detergent Compositions (AREA)

Abstract

The connection harness for a domestic washing machine, to give the water and air inflows and outflows, has a common plastics body (5) to contain the pipes, of a polypropylene which can be recycled. The body (5) contains the pipes (6, 8, 10, 17, 18, 27) between their feed and outlet points. Elastic sealing bushes (21, 22, 25, 26) seal the connections between the pipes and the inflow and outflow points.

Description

Die Erfindung geht aus von einer Haushalt-Waschmaschine mit Leitungen für die verteilt geschaltete Zuführung von Frischwasser, für die Abführung von gebrauchter Lauge und für die Führung von Druckausgleichs-Luft.The invention relates to a household washing machine with lines for the distributed switched supply of fresh water, for the discharge of used Alkali and for the guidance of pressure equalization air.

Derartige Waschmaschinen sind bekannt und gebräuchlich (DE 37 34 117 A1) und benutzen für die besagten Leitungen regelmäßig mehr oder weniger flexible Rohroder Schlauchabschnitte zur jeweiligen Verbindung von Stutzen an unterschiedlichen Orten in der Waschmaschine angeordneter Wasser- oder Luft-Behandlungseinrichtungen. So werden regelmäßig flexible Schlauchleitungen zwischen den Stutzen von elektrisch geschalteten Magnetventilen und den Einlaßstutzen einer Waschmittel-Einspüleinrichtung wie auch eine ebenfalls flexible Schlauchleitung vom Druckausgleichsstutzen eines Überlaufbogens an der Laugenablaufleitung mit einem entsprechenden Stutzen beispielsweise an der Waschmittel-Einspüleinrichtung zum Ausgleichen von Druckunterschieden benutzt. Ferner werden auch einzelne Steigleitungen aus flexiblen Schläuchen zwischen einer Laugenpumpe und einem zumeist aus Kunststoff hergestellten Überlaufbogen geführt und - sofern vorhanden - eine Falleitung vom Ablaufstutzen einer Waschmittel-Einspülschale zum Gehäuse der Laugenpumpe in Form einer flexiblen Schlauchleitung.Such washing machines are known and used (DE 37 34 117 A1) and regularly use more or less flexible pipe or pipe for the said pipes Hose sections for the respective connection of nozzles at different Locations of water or air treatment facilities located in the washing machine. For example, flexible hose lines between the nozzles of electrically switched solenoid valves and the inlet port of a detergent dispenser as well as an equally flexible hose line from the pressure compensation connection an overflow bend on the drain line with a corresponding one For example, sockets on the detergent dispenser to compensate used by pressure differences. Furthermore, individual risers mostly made of flexible hoses between a drain pump and one Plastic overflow bend and - if available - a downpipe from the drain socket of a detergent dispenser to the drain pump housing in the form of a flexible hose line.

Abgesehen von der verhältnismäßig teuren Herstellung jeweils besonderer Leitungsteile für die Frischwasserzuführung, den Druckluftausgleich und die Laugenabführung ist deren Lagerhaltung und gegebenenfalls logistische Behandlung zusätzlich zeit- und kostenintensiv. Ebenfalls zeit- und kostenintensiv ist die Montage all dieser Einzelteile im Fertigungsprozeß einer Waschmaschine.Apart from the relatively expensive manufacture of special line parts for fresh water supply, compressed air compensation and lye discharge is their storage and, if necessary, logistical treatment additional time and expensive. The assembly of all these individual parts is also time and cost intensive in the manufacturing process of a washing machine.

Der Erfindung liegt die Aufgabe zugrunde, bei einer eingangs beschriebenen Haushalt-Waschmaschine ein möglichst kostengünstiges System für die Wasserführung innerhalb der Waschmaschine anzugeben. Dabei soll darauf geachtet werden, daß die für das System benötigten Einzelteile zahlenmäßig und fertigungstechnisch geringste Aufwendungen erfordern.The invention has for its object in a household washing machine described above the most cost-effective system for water supply within the washing machine. It should be ensured that the for the system required individual parts in terms of numbers and manufacturing technology Require expenses.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß zum Hinführen der Leitungen von ihren Zuleitungsorten zu ihren Ableitungsorten ein gemeinsamer Kunststoff-Leitungskörper vorgesehen ist, dessen Zuführungsleitungs-Mündungen über elastische Dichtungshülsen mit den Zu- und Ableitungsorten dichtend verbunden und mechanisch gehalten sind.According to the invention, this object is achieved in that for leading the lines a common plastic cable body from their supply points to their discharge points is provided, the feed line mouths via elastic Sealing sleeves sealingly connected to the supply and discharge locations and mechanically are held.

Die erfindungsgemäße Ausgestaltung einer Haushalt-Waschmaschine der eingangs genannten Art ermöglicht eine wesentliche Verringerung der Bauteilanzahl. Ferner entfallen diverse Halteelemente aufgrund der starren Konstruktion des Kunststoff-Leitungskörpers, der zwischen all den Leitungsmündungen über Dichtungshülsen mit starr innerhalb des Waschmaschinen-Gehäuses angeordneten Wasserbehandlungs-Baugruppen montiert ist.The inventive design of a household washing machine at the outset mentioned type enables a substantial reduction in the number of components. Further Various holding elements are eliminated due to the rigid construction of the plastic cable body, the between all the pipe openings with sealing sleeves Water treatment assemblies arranged rigidly within the washing machine housing is mounted.

Dadurch ergibt sich gleichzeitig eine vereinfachte Montage, weil alle Leitungsteile innerhalb des einen Kunststoff-Leitungskörpers zusammengefaßt sind und dadurch die Montage einzelner Schlauchteile mit jeweils zwei Schlauchschellen entbehrlich ist. Außerdem ergibt sich in dichtungstechnischer Hinsicht eine Qualitätsverbesserung, weil nicht mehr auf einen optimalen Sitz von Schellen an den Schlauchverbindungen geachtet werden muß. Die Montage des kompakten Leitungskörpers muß hingegen wegen der festen Abmessungen zwischen den zu verbindenden Baugruppen selbsttätig dichtend erfolgen. Schließlich läßt sich durch den Kunststoff-Leitungskörper eine einzige, aus recyclingfähigem Polypropylen bestehende Baugruppe als Ersatz für viele einzelne, aus unterschiedlichen Werkstoffen bestehende Bauteile verwenden.This results in a simplified assembly at the same time, because all line parts within of a plastic line body are summarized and thereby the Assembly of individual hose parts with two hose clamps is unnecessary. Moreover In terms of sealing technology, there is an improvement in quality because no longer paid attention to an optimal fit of clamps on the hose connections must become. The assembly of the compact line body, however, must be the fixed dimensions between the modules to be connected automatically sealing. Finally, a single, assembly made of recyclable polypropylene as a replacement for many use individual components made of different materials.

Gemäß einer vorteilhaften Ausführungsform der Erfindung sind die Leitungen für die Zuführung von Frischwasser eingangsseitig unmittelbar mit den Ausgängen von Magnetventilen verbunden. In diesem Zusammenhang vorteilhaft ist auch die unmittelbare ausgangsseitige Verbindung der Leitungen für die Zuführung von Frischwasser mit den Eingängen einer Waschmittel-Einspülschale. Dadurch lassen sich zumeist zwei oder drei einzelne Schlauchleitungen zwischen den Magnetventilen und der Waschmittel-Einspüleinrichtung zusammen mit ihren zur Abdichtung benötigten Schlauchschellen vermeiden.According to an advantageous embodiment of the invention, the lines for the Fresh water supply on the input side directly through the outputs of solenoid valves connected. The immediate one is also advantageous in this context output connection of the lines for the supply of fresh water with the inputs of a detergent dispenser. This usually allows two or three individual hose lines between the solenoid valves and the Detergent dispenser along with those needed for sealing Avoid hose clips.

In besonders vorteilhafter Weise enthält der Leitungskörper auch eine Leitung zur Führung von Überlaufwasser. Überlaufwasser kann beispielsweise über die Waschmittel-Einspüleinrichtung und von dort über eine gerichtete Ableitung zu einer Auffangwanne geführt werden, in der zur Überlaufsicherung niveausensorische Schalteinrichtungen angeordnet sind. Auch hierbei ist die unmittelbare Verbindung der Leitung zur Führung von Überlaufwasser eingangsseitig mit einem Überlaufstutzen der Waschmittel-Einspüleinrichtung von besonderem Vorteil.In a particularly advantageous manner, the line body also contains a line for guidance of overflow water. Overflow water can, for example, via the detergent dispenser and from there via a directional drain to a drip pan be guided in the level sensor switchgear for overflow protection are arranged. Here, too, is the direct connection between the line and the management of overflow water on the inlet side with an overflow nozzle of the detergent dispenser of particular advantage.

In besonders vorteilhafter Weise ist in den Leitungskörper auch eine Druckausgleichsleitung zum Führen von Druckausgleichs-Luft integrierbar, die eingangsseitig mit einem Entlüftungsstutzen der Waschmittel-Einspüleinrichtung und ausgangsseitig mit einem Überlaufbogen unmittelbar verbunden ist.A pressure compensation line is also particularly advantageous in the line body can be integrated to guide pressure equalization air, the input side with a Vent pipe of the detergent dispenser and on the outlet side with a Overflow bend is directly connected.

Den größten Vorteil bildet eine Weiterbildung der Erfindung, in der der Leitungskörper ein Steigrohr und ein Fallrohr für die Abführung der gebrauchten Lauge sowie einen diese beiden Rohre verbindenden Überlaufbogen enthält. Von besonderem Vorteil ist dabei, daß der Überlaufbogen an einen im Zuge des Steigrohrs liegenden Rücklaufbehälter für den Rückhalt einer zum Rückspülen benötigten Menge von Lauge angeschlossen ist. Die Integration der Laugenabführungsmittel in den Leitungskörper bietet gegenüber der Herstellung, der Logistik und der Montage von einzelnen Leitungsteilen und Schläuchen mit ihren Verbindungselementen den größten Vorteil bei der integralen Gestaltung des Leitungskörpers.The greatest advantage is a further development of the invention, in which the line body a standpipe and a downpipe for the discharge of the used lye and one contains these two pipes connecting overflow bend. Is of particular advantage thereby that the overflow bend to a return tank lying in the course of the riser pipe connected to retain an amount of lye required for backwashing is. The integration of lye laxatives into the line body offers compared to the manufacture, logistics and assembly of individual line parts and hoses with their connecting elements have the greatest advantage in the integral Design of the management body.

Fertigungstechnisch in einfacher Weise läßt sich der Leitungskörper dadurch gestalten, daß er aus einem Kunststoff-Blasteil geformt ist.In terms of production technology, the line body can be designed in a simple manner by that it is molded from a plastic blow molded part.

Für die Montage eines solchen Leitungskörpers ist es von besonderem Vorteil, wenn an den Leitungskörper mindestens eine Lasche zum provisorischen Halten des Leitungskörpers vor der Montage der Leitungsverbindungen angeformt ist. Solche Laschen können zum provisorischen Halten des Leitungskörpers über hierfür vorgesehene Kanten oder Schlitze in Gehäuseteilen der Waschmaschine gehängt werden.For the assembly of such a line body, it is particularly advantageous if at least one tab on the lead body for provisionally holding the lead body is molded on before installing the cable connections. Such tabs can be used for provisional holding of the line body Edges or slits are hung in the housing parts of the washing machine.

Anhand eines in der Zeichnung dargestellten Ausführungsbeispiels ist die Erfindung nachstehend erläutert.The invention is based on an exemplary embodiment shown in the drawing explained below.

Es zeigen

Fig. 1
einen perspektivischen Einblick in eine Waschmaschine, aus der die nicht zur Erfindung gehörenden Teile vollständig entfernt sind, und
Fig. 2
eine Frontalansicht eines erfindungsgemäß gestalteten Leitungskörpers mit den zur mediumtechnischen Verbindung vorgesehenen Dichtungshülsen.
Show it
Fig. 1
a perspective view of a washing machine from which the parts not belonging to the invention have been completely removed, and
Fig. 2
a frontal view of a line body designed according to the invention with the sealing sleeves provided for the medium connection.

In einem Waschmaschinengehäuse 1 sind beispielsweise an der Rückwand 2 ein Magnetventilblock 3 mit zwei Ausgängen und eine Waschmittel-Einspüleinrichtung 4 angebracht. Die Waschmittel-Einspüleinrichtung 4 hat an ihrer rückwärtigen Unterseite (nicht sichtbar) zwei Eingangsstutzen für die Zuführung von Frischwasser und einen Überlaufstutzen für die Abführung von aus dem nicht dargestellten Laugenbehälter über die Waschmittel-Zuführungsleitung (ebenfalls nicht dargestellt) und die Waschmittel-Einspüleinrichtung 4 überlaufendem Wasser. Ferner hat die Waschmittel-Einspüleinrichtung 4 noch einen Belüftungsstutzen, der mit der freien Atmosphäre Verbindung hat. Dieser Belüftungsstutzen dient regelmäßig dazu, Luft aus der freien Atmosphäre in einen Überlaufbogen des Laugenablaufsystems zu führen, damit bei Förderunterbrechung der Laugenpumpe die Wassersäule im Steigrohr des Laugen-Abführungssystems abreißt und nicht etwa per Saugheberprinzip den Inhalt des Laugenbehälters absaugt.In a washing machine housing 1 there are, for example, a solenoid valve block on the rear wall 2 3 with two outlets and a detergent dispenser 4 attached. The detergent dispenser 4 has on its rear underside (not visible) two inlet connections for the supply of fresh water and one Overflow nozzle for the removal of from the tub, not shown via the detergent supply line (also not shown) and the detergent dispenser 4 overflowing water. Furthermore, the detergent dispenser has 4 another vent that connects to the free atmosphere Has. This ventilation nozzle regularly serves to remove air from the free atmosphere into an overflow bend in the drainage system so that if the delivery is interrupted of the drain pump, the water column in the riser pipe of the drain removal system tears off and not about the suction cup principle the contents of the tub sucks.

Für all diese Leitungs-Aufgaben ist zwischen den wassertechnischen Behandlungs-Baugruppen ein Leitungskörper 5 vorgesehen, an dessen Steigrohr 6 eine Wasserleitung 7 (einzelnes Bauteil) angeschlossen ist, die von einer nicht dargestellten Laugenpumpe her abzupumpende Lauge führen kann. Die Integration der Leitung 7 in den Leitungskörper 5 wäre technisch zwar möglich, ist aus Handhabungsgründen bei der Montage jedoch nicht empfehlenswert, weil die Laugenpumpe sehr weit entfernt von der Rückwand, nämlich möglichst weit an der Frontwand der Waschmaschine angeordnet sein sollte. Daher wäre der Leitungskörper 5 viel zu ausladend und würde aus diesem Grunde bei der logistischen Behandlung sowie bei der Montage Handhabungsschwierigkeiten bereiten. An den Ausgangsstutzen des Fallrohres 8 des Leitungskörpers 5 ist eine Schlauchleitung 9 angeschlossen, die an einer hier nicht näher dargestellten Stelle aus dem Maschinengehäuse 1 herausgeführt und daher auf einem Teil ihrer Länge gestrichelt dargestellt ist. Der Rücklaufbehälter 10 liegt leitungstechnisch im Zuge eines Überlaufbogens (Fig. 2) und ist recht flach gestaltet und vor einer rückwärtigen Gehäusekante 11 um diese Kante geführt, um einerseits möglichst viel Inhalt zu bieten, andererseits aber möglichst wenig vom durch das schwingende Laugenbehälteraggregat benötigten Schwingraum zu belegen.For all these pipeline tasks is between the water treatment modules a line body 5 is provided, on the riser pipe 6 a water line 7 (individual component) is connected by a drain pump, not shown lye to be pumped out. The integration of line 7 in the Conductor body 5 would be technically possible, for reasons of handling However, assembly is not recommended because the drain pump is very far from the rear wall, namely as far as possible on the front wall of the washing machine should be. Therefore, the lead body 5 would be much too bulky and would for this reason, logistical handling and assembly difficulties prepare. At the outlet pipe of the downpipe 8 of the line body 5, a hose line 9 is connected, which is not closer to one here shown point out of the machine housing 1 and therefore on a Part of their length is shown in dashed lines. The return tank 10 is piping in the course of an overflow bend (Fig. 2) and is designed quite flat and in front of one rear housing edge 11 guided around this edge, on the one hand as much as possible To offer content, but on the other hand as little as possible from the swinging tub assembly to occupy the required vibration space.

Zur provisorischen Fixierung des Leitungskörpers 5 vor der Herstellung der Leitungsverbindungen sind am Leitungskörper 5 Laschen 12 und 13 angebracht, die durch zugeordnete Schlitze in der Gehäuserückwand gesteckt werden können und dem Leitungskörper 5 einen in Längsrichtung der Leitungen beweglichen Halt geben.For the provisional fixation of the line body 5 before the line connections are made 5 tabs 12 and 13 are attached to the line body, which by assigned Slots can be inserted in the rear wall of the housing and the cable body 5 give a movable hold in the longitudinal direction of the lines.

Der in Fig. 2 in Einzelheiten dargestellte Leitungskörper 5 enthält die bereits erörterten Steig- und Fallrohre 6 und 8 und den im Zuge des Überlaufbogens 14 angeordneten Rücklaufbehälter 10. Die abzupumpende Lauge aus dem Verbindungsrohr 7 füllt über den Stutzen 15 und das Steigrohr 6 den Rücklaufbehälter 10, bevor sie über den Überlaufbogen 14 und das Fallrohr 8 zum Ablaufschlauch 9 gelangt. Sobald der Pumpendruck in der Steigleitung 6 nachläßt, fließt aus dem Stutzen 16 atmosphärische Luft in den Überlaufbogen 14 und läßt die Laugensäulen aufreißen. Damit wird vermieden, daß nach Erreichen des Überlaufbogens 14 der Laugenbehälter auch bei ausgeschalteter Pumpe selbsttätig leergesaugt werden kann.The line body 5 shown in detail in FIG. 2 contains those already discussed Riser and downpipes 6 and 8 and those arranged in the course of the overflow bend 14 Return tank 10. The liquor to be pumped out of the connecting pipe 7 fills up the nozzle 15 and the riser 6 the return tank 10 before they over the Overflow bend 14 and the downpipe 8 reaches the drain hose 9. As soon as the pump pressure subsides in the riser 6, flows from the nozzle 16 atmospheric Air in the overflow bend 14 and tears open the lye columns. This will avoid that after reaching the overflow bend 14 of the tub even when switched off Pump can be sucked empty automatically.

Der Leitungskörper 5 enthält weiterhin Frischwasserzuführungsleitungen 17 und 18, deren eingangsseitige Stutzen 19 und 20 über elastische Dichtungshülsen 21 und 22 mit nicht näher dargestellten Ausgangsstutzen der Magnetventile 3, (Fig. 1) verbunden sind. In gleicher Weise sind die Ausgangsstutzen 23 und 24 der Leitungen 17 und 18 über Dichtungshülsen 25 und 26 mit den nicht dargestellten Eingangsstutzen der Waschmittel-Einspüleinrichtung 4 verbunden. Zwischen den Zuführungsleitungen 17 und 18 ist im Leitungskörper 5 eine Leitung 27 zur Führung von Überlaufwasser angeordnet. An ihren Eingangsstutzen 28 ist über eine Dichtungshülse 29 der ebenfalls nicht sichtbare Überlaufstutzen in der Waschmittel-Einspüleinrichtung 4 angeschlossen. Der ausgangsseitige Stutzen 30 der Leitung 27 kann entweder frei oder über eine Dichtungshülse 31 in eine Wasserführungseinrichtung münden, die das abgeführte Überlaufwasser in eine Bodenwanne 32 (Fig. 1) führt, wo nicht dargestellte Sicherheitsschalteinrichtungen das Vorhandensein von Überlaufwasser ggf. signalisieren.The line body 5 also contains fresh water supply lines 17 and 18, the inlet side sockets 19 and 20 via elastic sealing sleeves 21 and 22nd connected to outlet ports (not shown) of the solenoid valves 3, (Fig. 1) are. In the same way, the outlet ports 23 and 24 of the lines 17 and 18 via sealing sleeves 25 and 26 with the inlet port, not shown Detergent dispenser 4 connected. Between the feed lines 17 and 18, a line 27 for guiding overflow water is arranged in the line body 5. At its inlet port 28 is also a sealing sleeve 29 Not visible overflow connection in the detergent dispenser 4 connected. The outlet-side connector 30 of the line 27 can either be free or via a Sealing sleeve 31 open into a water guiding device that discharges Overflow water in a floor pan 32 (Fig. 1) leads, where not shown safety switching devices if necessary, signal the presence of overflow water.

Wie bereits zu Fig. 1 beschrieben, werden zur provisorischen Anbringung des Leitungskörpers 5 an der Rückwand der Waschmaschine die Laschen 12 und 13 in entsprechende Schlitze eingeführt. Danach werden die Verbindungen der Leitungsstutzen 16, 19, 20, 23, 24, 28 und 30 über ihre zugeordneten Dichtungshülsen mit den fest in der Waschmaschine angeordneten Baugruppen 3 und 4 verbunden. Zur Abstandhaltung des Leitungskörpers an der Rückwand dienen Laschen 33 und 34, die in Richtung auf die Rückwand hin abgeknickt sind und über die äußere Kontur des Leitungskörpers hinausragen.As already described for FIG. 1, are used for the provisional attachment of the line body 5 on the rear wall of the washing machine the tabs 12 and 13 in corresponding Slots inserted. Then the connections of the pipe sockets 16, 19, 20, 23, 24, 28 and 30 via their associated sealing sleeves with the fixed in the washing machine arranged modules 3 and 4 connected. For keeping distance tabs 33 and 34 of the line body on the rear wall serve in the direction are bent on the back wall and over the outer contour of the cable body protrude.

Die Erfindung ist nicht auf das dargestellte Ausführungsbeispiel beschränkt. Insbesondere sind die Leitungsführungen an die jeweiligen Gegebenheiten in einer Waschmaschine anzupassen, was auch die Position und die Stellung der Anschlußstutzen betrifft. Weiterhin können in dem Leitungskörper weitere Leitungen vorgesehen sein, beispielsweise eine Frisch-Leckwasser-Leitung gemäß DE 37 34 117 A1. Sollte die Zuführung von Frischwasser und Waschmittel aus der Waschmittel-Einspüleinrichtung 4 nicht im oberen Teil des Laugenbehälters angeschlossen sein, sondern über eine längere Leitung in irgendeinen unten im Laugenbehälter liegenden Bereich einmünden, dann empfiehlt sich ebenfalls die Integration der Wasser-Waschmittel-Leitung in den Leitungskörper 5.The invention is not restricted to the exemplary embodiment shown. In particular are the cable routing to the particular circumstances in a washing machine adapt, which also affects the position and position of the connecting piece. Furthermore, further lines can be provided in the line body, for example a fresh leakage water line according to DE 37 34 117 A1. Should the feeder of fresh water and detergent from the detergent dispenser 4 not be connected in the upper part of the tub, but over a longer one Open the line into any area below in the tub, then it is also recommended to integrate the water / detergent line into the Conductor body 5.

Claims (10)

  1. Domestic washing machine with ducts for the feed, which is connected to be distributed, of fresh water, for the discharge of consumed washing solution and for the guidance of pressure-compensating air, characterised in that for guidance of the ducts (6, 8, 10, 17, 18, 27) from the infeed locations thereof to the outfeed locations thereof there is provided a common synthetic material guide body (5), the feed duct openings (19, 20, 23, 24) of which are sealingly connected with the infeed and outfeed locations (3, 4), and mechanically mounted, by way of resilient sealing sleeves (21, 22, 25, 26).
  2. Washing machine according to claim 1, characterised in that the ducts (17, 18) for the feed of fresh water are directly connected at the inlet end (19, 20) with the outlets of magnetic valves (3).
  3. Washing machine according to claim 1 or 2, characterised in that the ducts (17, 18) for the feed of fresh water are directly connected at the outlet end (23, 24) with the inlets of a washing agent flushing-in device (4).
  4. Washing machine according to one of claims 1 to 3, characterised in that the duct body (5) comprises a duct (27) for conducting overflow water.
  5. Washing machine according to claim 4, characterised in that the duct (27) for conducting overflow water is connected at the inlet end (28) directly with an overflow stub pipe of the washing agent rinsing-in device (4).
  6. Washing machine according to one of the preceding claims, characterised in that the duct for conducting the pressure-compensating air is connected at the inlet end (16) directly with a ventilating stub pipe of the washing agent flushing-in device (4).
  7. Washing machine according to one of the preceding claims, characterised in that the duct body (5) comprising a rising pipe (6) and a falling pipe (8) for the discharge of the consumed washing solution as well as an overflow elbow (14) connecting these two pipes (6 and 8).
  8. Washing machine according to claim 7, characterised in that the overflow elbow (14) is connected with a return container (10), which is disposed in the course of the rising pipe (6), for the retention of a quantity of washing solution required for back-flushing.
  9. Washing machine according to one of the preceding claims, characterised in that the duct body (5) is formed from a synthetic material blow-moulded part.
  10. Washing machine according to claim 9, characterised in that at least one strap (12, 13) for temporary holding of the duct body (5) before assembly of the duct connections (19/21, 20/22, 23/25, 24/26, 28/29) is integrally moulded at the duct body (5).
EP97112379A 1996-09-16 1997-07-18 Domestic washing machine with pipes for water and air Expired - Lifetime EP0829568B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19637742A DE19637742A1 (en) 1996-09-16 1996-09-16 Household washing machine with pipes for the guidance of water and air
DE19637742 1996-09-16

Publications (3)

Publication Number Publication Date
EP0829568A2 EP0829568A2 (en) 1998-03-18
EP0829568A3 EP0829568A3 (en) 1998-12-23
EP0829568B1 true EP0829568B1 (en) 2002-06-26

Family

ID=7805810

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EP97112379A Expired - Lifetime EP0829568B1 (en) 1996-09-16 1997-07-18 Domestic washing machine with pipes for water and air

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US (1) US6101851A (en)
EP (1) EP0829568B1 (en)
KR (1) KR100496002B1 (en)
CN (1) CN1083033C (en)
AT (1) ATE219802T1 (en)
BR (1) BR9704726A (en)
DE (2) DE19637742A1 (en)
ES (1) ES2181958T3 (en)
PL (1) PL184016B1 (en)
RU (1) RU2168576C2 (en)
TR (1) TR199700955A3 (en)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
EP2110473A2 (en) 2008-04-17 2009-10-21 BSH Bosch und Siemens Hausgeräte GmbH Washer-dryer with a ventilated drum

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Publication number Priority date Publication date Assignee Title
IT1297014B1 (en) * 1997-12-23 1999-08-03 T & P Spa DEVICE FOR THE HOUSING OF DETERGENTS AND / OR OTHER WASHING AGENTS USED IN A WASHING MACHINE PREFERABLY
DE19921441B4 (en) * 1999-05-10 2010-04-15 BSH Bosch und Siemens Hausgeräte GmbH Household appliance, in particular washing machine, washer-dryer or dishwasher
KR20020045689A (en) * 2000-12-09 2002-06-20 구자홍 Dispenser assembly for washing machine
US6701944B2 (en) * 2001-01-25 2004-03-09 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Detergent dispenser system
WO2003012185A2 (en) * 2001-07-28 2003-02-13 John Herbert North Improvements in and relating to washing machines
EP1647624A1 (en) * 2004-10-14 2006-04-19 Electrolux Home Products Corporation N.V. Front-loading clothes washing machine with gutter arrangement on top
US9309616B2 (en) * 2008-12-19 2016-04-12 BSH Hausgeräte GmbH Laundry handling apparatus with a cuff and a filling support

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CN2098602U (en) * 1991-09-09 1992-03-11 王锦林 Low-pressure water pipe joint without clasp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2110473A2 (en) 2008-04-17 2009-10-21 BSH Bosch und Siemens Hausgeräte GmbH Washer-dryer with a ventilated drum
DE102008019388A1 (en) 2008-04-17 2009-10-22 BSH Bosch und Siemens Hausgeräte GmbH Washer dryer with a ventilated drum
EP2110473A3 (en) * 2008-04-17 2016-11-30 BSH Hausgeräte GmbH Washer-dryer with a ventilated drum

Also Published As

Publication number Publication date
BR9704726A (en) 1999-01-05
RU2168576C2 (en) 2001-06-10
EP0829568A3 (en) 1998-12-23
CN1177658A (en) 1998-04-01
CN1083033C (en) 2002-04-17
DE19637742A1 (en) 1998-03-19
KR100496002B1 (en) 2005-09-30
US6101851A (en) 2000-08-15
ES2181958T3 (en) 2003-03-01
DE59707590D1 (en) 2002-08-01
PL322060A1 (en) 1998-03-30
TR199700955A2 (en) 1998-04-21
ATE219802T1 (en) 2002-07-15
PL184016B1 (en) 2002-08-30
TR199700955A3 (en) 1998-04-21
KR19980024563A (en) 1998-07-06
EP0829568A2 (en) 1998-03-18

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