EP2219508B1 - Water-carrying household appliance - Google Patents

Water-carrying household appliance Download PDF

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Publication number
EP2219508B1
EP2219508B1 EP08855333.4A EP08855333A EP2219508B1 EP 2219508 B1 EP2219508 B1 EP 2219508B1 EP 08855333 A EP08855333 A EP 08855333A EP 2219508 B1 EP2219508 B1 EP 2219508B1
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EP
European Patent Office
Prior art keywords
water
household appliance
carrying
holder
line
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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EP08855333.4A
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German (de)
French (fr)
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EP2219508A1 (en
Inventor
Johannes BÜSING
Peter Geissler
Cengiz Kücük
Manfred Seessle
Hermann Stempfle
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.)
BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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Publication of EP2219508A1 publication Critical patent/EP2219508A1/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4217—Fittings for water supply, e.g. valves or plumbing means to connect to cold or warm water lines, aquastops
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Definitions

  • the invention relates to a water-conducting household appliance according to the preamble of patent claim 1.
  • a fastening device for screwless and releasably securing a component such as a solenoid valve or pressure switch, on a wall of a household washing machine or dishwasher is known.
  • the component has a plastic housing part, which projects into an opening in the wall and is latched there.
  • appliance units such as serving as a heat exchanger water tank, drain pump or washing containers are connected to each other via water pipes.
  • the heat exchanger or water inlet of a dishwasher has a connection piece for a drain hose coming from the drain pump and a connection piece for a drain hose leading to the water supply network.
  • the water-carrying lines can each be pushed onto connecting pieces of the device units and secured with an additional securing part, such as a lock nut.
  • each drain hose For connection to the heat exchanger or water inlet of the dishwasher each drain hose is pushed and secured individually by hand on the associated connection piece of the heat exchanger / water inlet, resulting in a considerable installation effort.
  • connection plate is particularly known for use in washing machines, which has at its front a connection for a water pipe and on its back an open-topped container whose bottom has a pipe socket for connection of a water-carrying pipe.
  • DE 4438057C1 discloses a domestic appliance with a device for fixing a drain hose, which has the features of the preamble of claim 1.
  • the object of the invention is to provide a water-conducting household appliance, in particular a dishwasher, and a method for assembling such a household appliance, in which the assembly effort is reduced.
  • the household appliance has a holder independent of the heat exchanger for the
  • Line end of at least one water-carrying line The holder positions the end of the line in the connection position for a simple installation connection at the connection piece of the heat exchanger / heat inlet.
  • the holder can pre-position in the correct position in the pre-assembled state still separated from the household appliance heat exchanger / water inlet line end of the water-carrying line in the connection position in which the line end preferably still vertically projects up.
  • the line end can be accurately positioned on the device side and sufficiently secured.
  • its connection piece can be automatically or automatically inserted into the prepositioned line end and is - held securely - without additional security part.
  • the pre-positioned line end results in a simplified water connection of the water inlet or heat exchanger.
  • the holder is provided on a mounting base of the household appliance. It is preferred in terms of manufacturing technology if the mounting base and the holder are formed of the same material and / or in one piece. In the event that the mounting base is made of plastic, therefore, the holder may be molded on the mounting base.
  • this may have two holding arms, between which the line end of the water-carrying line can be used to hold the line end in its connection position.
  • the line end is fixed at least in one depth direction or in lateral directions of the household appliance.
  • the holder may be provided with a height stop, which also pre-positions the line end in the vertical direction.
  • the height stop can be formed by lateral recesses, in particular by an annular groove, in the line end of the water-carrying line. The support arms of the holder protrude into the annular groove of the line end and hold between the line end, whereby the line end is precisely pre-positioned in the height direction.
  • the water-carrying line is usually a hose line, which has no own or only a slight dimensional stability and therefore can be installed in a simple manner space-dependent within the household appliance.
  • the holder may have a holding plate with a groove-shaped open recess with an insertion opening.
  • the recess is bounded by the two retaining arms and a transverse leg connecting the two retaining arms.
  • the transverse leg in turn serves as a side stop for precise pre-positioning of the line end.
  • a coupling of the prepositioned line end with the connecting piece of the heat exchanger / water inlet is almost automatic or automatic during assembly of the heat exchanger / water inlet.
  • the line end of the water-carrying line can be aligned with its open connection side against a mounting direction of the heat exchanger, d. H. in particular project vertically upwards.
  • the holder In order to support the correct position pre-positioning of the line end in the holder, the holder, in particular on its side remote from the heat exchanger / water inlet side, have additional lateral guide walls. Between these guide walls, the line led to the holder can already be roughly aligned in the direction of the heat exchanger.
  • the holder can pre-position at least two water-carrying lines.
  • the holder may have a common first support arm, which is arranged between two opposite second support arms.
  • the middle first holding arm can pre-position the line ends of the water-carrying lines in a space-saving manner with the two lateral holding arms.
  • the limited by the holding arms, groove-shaped open recesses can be aligned in opposite directions to each other to perform the holding plate geometry dimensionally stable or torsionally stiff.
  • the line end can be prepositioned in a positionally correct connection position in a pre-assembly step initially with the heat exchanger / water inlet still separated from the domestic appliance.
  • the heat exchanger / water inlet can then be installed and mounted in the household appliance. Simultaneously with the installation of the heat exchanger in the household appliance while its connection piece can be connected to the prepositioned line end.
  • a mounting base 1 of a dishwasher in a pre-assembly state is shown in enlarged perspective partial representation.
  • the mounting base 1 of the dishwasher is made as a plastic injection molded part.
  • a drain pump 3 with associated pump sump 5 is mounted on the mounting base 1, a drain pump 3 with associated pump sump 5.
  • a heat exchanger 9 is shown, which is mounted on a washing container, not shown.
  • the heat exchanger 9 has nozzles 11, are connected to the hose lines, not shown.
  • the plate-shaped heat exchanger 9 two vertically downwardly projecting connecting piece 13, which via hose lines 15 respectively are connected to the pressure side of the drain pump 3 and to the water supply network.
  • the hose lines 15 are substantially without their own dimensional stability, so that they can be installed within the dishwasher in a simple manner depending on the available space.
  • Each of the two hose lines 15 has at its, the heat exchanger 9 facing the end of an open hose end piece 17, in each of which a connecting piece 13 of the heat exchanger 9 is inserted.
  • the hose end pieces 17 of the two hose lines project vertically upwards.
  • the hose end pieces 17 of the hose lines 15 are pre-positioned on a holder 23 molded onto the mounting base 1 in a connection position, as shown in FIG Fig. 2 is shown.
  • the holder 23 is according to the Fig. 2 T-shaped with a vertical center wall 25 and formed thereon a horizontal support plate 27.
  • each of the two recesses 29 has for this purpose a narrow insertion opening 31 with a circularly extended holding portion 33.
  • the narrow insertion opening 31 is bounded by insertion bevels 35.
  • each of the recesses 29 locking edges 37. These secure the respectively inserted into the recess 29 hose end piece 17 against unintentional detachment.
  • the hose end pieces 17 are thus in their radial direction, ie in the plane of the Fig. 3 , held stationary in the holding plate 27.
  • the hose end pieces 17 have an annular groove 38 for positioning that is stationary in the axial direction or vertical direction, and the circumferential edge of the respective recess 29 of the retaining plate 27 engages around in a form-fitting manner. This is what the in the recesses 29 of the holder 23 inserted tube end pieces 17 by a predetermined height h on the holding plate 27 vertically upward ( Fig. 2 ).
  • the holder 23 is according to the Fig. 2 arranged in a, against an outer mounting floor side wall recessed wall portion.
  • the side walls 43 and the rear wall 45 of the recessed wall portion together with the middle wall 25 respectively Einwarekit.
  • the hose lines 15 already prepositioned roughly in the direction of the heat exchanger 9, so that a correct position, secure fit of the end pieces 17 is ensured in the holder 23.
  • the two hose lines 15 are guided through openings 47 in the side walls 43 and in the rear wall 45 of the recessed wall portion in the respective insertion ducts.
  • the two hose end pieces 17 of the hose lines 15 are pre-positioned on the holder 23 in the correct position in its connection position in a pre-assembly step, namely with still separated from the dishwasher heat exchanger 9.
  • the connecting pieces 13 of the heat exchanger 9 are automatically inserted into the prepositioned hose end pieces 17, without additional securing sleeves or nuts are required for a reliable coupling.

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)

Description

Die Erfindung betrifft ein wasserführendes Haushaltsgerät nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a water-conducting household appliance according to the preamble of patent claim 1.

Aus der DE 84 12 260 U1 ist eine Befestigungsvorrichtung zum schraubenlosen und lösbaren Befestigen eines Bauelementes, wie eines Magnetventils oder Druckschalters, an einer Wandung einer Haushalts-Wasch- oder Geschirrspülmaschine bekannt. Das Bauelement weist ein Kunststoffgehäuseteil auf, welches in eine Öffnung in der Wandung ragt und dort eingerastet ist.From the DE 84 12 260 U1 a fastening device for screwless and releasably securing a component, such as a solenoid valve or pressure switch, on a wall of a household washing machine or dishwasher is known. The component has a plastic housing part, which projects into an opening in the wall and is latched there.

In wasserführenden Haushaltsgeräten, etwa Geschirrspülmaschinen, sind Geräteaggregate, wie ein als Wärmetauscher dienender Wasserbehälter, Laugenpumpe oder Spülbehälter, über wasserführende Leitungen miteinander verbunden. So weist der Wärmetauscher bzw. Wassereinlauf einer Geschirrspülmaschine einen Anschlussstutzen für einen von der Laugenpumpe kommenden Ablaufschlauch sowie einen Anschlussstutzen für einen zum Wasserversorgungsnetz führenden Ablaufschlauch auf. Die wasserführenden Leitungen können jeweils auf Anschlussstutzen der Geräteaggregate geschoben und mit einem zusätzlichen Sicherungsteil, etwa einer Sicherungsmutter, gesichert sein.In water-conducting household appliances, such as dishwashers, appliance units, such as serving as a heat exchanger water tank, drain pump or washing containers are connected to each other via water pipes. Thus, the heat exchanger or water inlet of a dishwasher has a connection piece for a drain hose coming from the drain pump and a connection piece for a drain hose leading to the water supply network. The water-carrying lines can each be pushed onto connecting pieces of the device units and secured with an additional securing part, such as a lock nut.

Zum Anschluss am Wärmetauscher bzw. Wassereinlauf der Geschirrspülmaschine wird jeder Ablaufschlauch einzeln von Hand auf den zugeordneten Anschlussstutzen des Wärmetauschers/Wassereinlaufs geschoben und gesichert, wodurch sich ein beträchtlicher Montageaufwand ergibt.For connection to the heat exchanger or water inlet of the dishwasher each drain hose is pushed and secured individually by hand on the associated connection piece of the heat exchanger / water inlet, resulting in a considerable installation effort.

Aus der DE 1 460 825 ist eine Anschlussplatte insbesondere zur Verwendung bei Waschmaschinen bekannt, die an ihrer Vorderseite einen Anschluss für eine Wasserleitung und auf ihrer Rückseite einen oben offenen Behälter aufweist, dessen Boden ein Rohrstutzen zum Anschluss einer wasserführenden Leitung aufweist.From the DE 1 460 825 a connection plate is particularly known for use in washing machines, which has at its front a connection for a water pipe and on its back an open-topped container whose bottom has a pipe socket for connection of a water-carrying pipe.

DE 4438057C1 offenbart ein Haushaltsgerät mit einer vorrichtung zum Festlegen eines Ablaufschlauches, das die Merkmale des Oberbegriffs des Auspruchs 1 aufweist. DE 4438057C1 discloses a domestic appliance with a device for fixing a drain hose, which has the features of the preamble of claim 1.

Die Aufgabe der Erfindung besteht darin, ein wasserführendes Haushaltsgerät, insbesondere eine Geschirrspülmaschine, sowie ein Verfahren zur Montage eines solchen Haushaltsgerätes bereitzustellen, bei dem der Montageaufwand reduziert ist.The object of the invention is to provide a water-conducting household appliance, in particular a dishwasher, and a method for assembling such a household appliance, in which the assembly effort is reduced.

Die Aufgabe ist durch die Merkmale des Patentanspruches 1 oder 9 gelöst. Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen.The object is solved by the features of claim 1 or 9. Advantageous developments of the invention will become apparent from the dependent claims.

Gemäß dem kennzeichnenden Teil des Patentanspruches 1 weist das Haushaltsgerät einen vom Wärmetauscher unabhängigen Halter für dasAccording to the characterizing part of claim 1, the household appliance has a holder independent of the heat exchanger for the

Leitungsende der zumindest einen wasserführenden Leitung auf. Der Halter positioniert das Leitungsende in der Anschlussposition für einen montagetechnisch einfachen Anschluss am Anschlussstutzen des Wärmetauschers/Wärmeeinlaufs.Line end of at least one water-carrying line. The holder positions the end of the line in the connection position for a simple installation connection at the connection piece of the heat exchanger / heat inlet.

Für eine weitere Montagevereinfachung kann der Halter in einem Vormontagezustand bei noch von dem Haushaltsgerät getrenntem Wärmetauscher/Wassereinlauf das Leitungsende der wasserführenden Leitung in der Anschlussposition lagerichtig vorpositionieren, in der das Leitungsende vorzugsweise vertikal noch oben ragt. Durch den Halter kann das Leitungsende geräteseitig genau positioniert und ausreichend befestigt werden. Bei der Montage des Wärmetauschers/Wassereinlauf in dem Haushaltsgerät kann dessen Anschlussstutzen selbsttätig bzw. automatisch in das vorpositionierte Leitungsende gesteckt werden und ist darin - ohne zusätzliches Sicherungsteil - sicher gehalten. Durch das bereits vorpositionierte Leitungsende ergibt sich ein vereinfachter Wasseranschluss des Wassereinlaufs bzw. Wärmetauschers.For a further simplification of the installation, the holder can pre-position in the correct position in the pre-assembled state still separated from the household appliance heat exchanger / water inlet line end of the water-carrying line in the connection position in which the line end preferably still vertically projects up. Through the holder, the line end can be accurately positioned on the device side and sufficiently secured. When installing the heat exchanger / water inlet in the household appliance, its connection piece can be automatically or automatically inserted into the prepositioned line end and is - held securely - without additional security part. The pre-positioned line end results in a simplified water connection of the water inlet or heat exchanger.

Bevorzugt ist der Halter an einem Montageboden des Haushaltsgeräts vorgesehen. Dabei ist es fertigungstechnisch bevorzugt, wenn der Montageboden und der Halter materialeinheitlich und/oder einstückig ausgebildet sind. Für den Fall, dass der Montageboden aus Kunststoff gefertigt ist, kann daher der Halter am Montageboden angespritzt sein.Preferably, the holder is provided on a mounting base of the household appliance. It is preferred in terms of manufacturing technology if the mounting base and the holder are formed of the same material and / or in one piece. In the event that the mounting base is made of plastic, therefore, the holder may be molded on the mounting base.

Für eine technisch einfache Realisierung des Halters kann dieser zwei Haltearme aufweisen, zwischen denen das Leitungsende der wasserführenden Leitung einsetzbar ist, um das Leitungsende in seiner Anschlussposition zu halten.For a technically simple realization of the holder this may have two holding arms, between which the line end of the water-carrying line can be used to hold the line end in its connection position.

Mittels der oben genannten Haltearme ist das Leitungsende zumindest in einer Tiefenrichtung bzw. in Seitenrichtungen des Haushaltsgerätes festgelegt. Darüberhinaus kann der Halter mit einem Höhenanschlag versehen sein, der das Leitungsende auch in der Höhenrichtung lagerichtig vorpositioniert. In einer einfachen Ausführungsform kann der Höhenanschlag durch seitliche Ausnehmungen, insbesondere durch eine Ringnut, im Leitungsende der wasserführenden Leitung ausgebildet sein. Die Haltearme des Halters ragen dabei in die Ringnut des Leitungsendes und halten dazwischen das Leitungsende, wodurch das Leitungsende auch in der Höhenrichtung genau vorpositioniert ist.By means of the above-mentioned holding arms, the line end is fixed at least in one depth direction or in lateral directions of the household appliance. In addition, the holder may be provided with a height stop, which also pre-positions the line end in the vertical direction. In a simple embodiment, the height stop can be formed by lateral recesses, in particular by an annular groove, in the line end of the water-carrying line. The support arms of the holder protrude into the annular groove of the line end and hold between the line end, whereby the line end is precisely pre-positioned in the height direction.

Die wasserführende Leitung ist üblicherweise eine Schlauchleitung, die keine eigene bzw. nur eine geringfügige Formstabilität aufweist und daher in einfacher Weise bauraumabhängig innerhalb des Haushaltsgerätes verlegt werden kann.The water-carrying line is usually a hose line, which has no own or only a slight dimensional stability and therefore can be installed in a simple manner space-dependent within the household appliance.

Der Halter kann eine Halteplatte mit einer nutförmigen offenen Ausnehmung mit einer Einführöffnung aufweisen. Die Ausnehmung ist von den beiden Haltearmen sowie einem die beiden Haltearme verbindenden Querschenkel begrenzt. Der Querschenkel dient wiederum als ein Seitenanschlag zur genauen Vorpositionierung des Leitungsendes.The holder may have a holding plate with a groove-shaped open recess with an insertion opening. The recess is bounded by the two retaining arms and a transverse leg connecting the two retaining arms. The transverse leg in turn serves as a side stop for precise pre-positioning of the line end.

Montagetechnisch bevorzugt ist eine während der Montage des Wärmetauschers/Wassereinlaufs nahezu selbsttätig bzw. automatisch erfolgende Kopplung des vorpositionierten Leitungsendes mit dem Anschlussstutzen des Wärmetauschers/Wassereinlaufs. Hierzu kann das Leitungsende der wasserführenden Leitung mit seiner offenen Anschlussseite entgegen einer Montagerichtung des Wärmetauschers ausgerichtet sein, d. h. insbesondere vertikal nach oben ragen.In terms of installation technology, a coupling of the prepositioned line end with the connecting piece of the heat exchanger / water inlet is almost automatic or automatic during assembly of the heat exchanger / water inlet. For this purpose, the line end of the water-carrying line can be aligned with its open connection side against a mounting direction of the heat exchanger, d. H. in particular project vertically upwards.

Um die lagerichtige Vorpositionierung des Leitungsendes im Halter zu unterstützen, kann der Halter, insbesondere an seiner vom Wärmetauscher/Wassereinlauf abgewandten Seite, zusätzliche seitliche Führungswände aufweisen. Zwischen diesen Führungswänden kann die zum Halter geführte Leitung bereits grob in Richtung des Wärmetauschers ausgerichtet werden.In order to support the correct position pre-positioning of the line end in the holder, the holder, in particular on its side remote from the heat exchanger / water inlet side, have additional lateral guide walls. Between these guide walls, the line led to the holder can already be roughly aligned in the direction of the heat exchanger.

Bevorzugt kann der Halter zumindest zwei wasserführende Leitungen vorpositionieren. Um dabei den hierfür notwendigen Bauraum zu reduzieren, kann der Halter einen gemeinsamen ersten Haltearm aufweisen, der zwischen zwei gegenüberliegende zweite Haltearme angeordnet ist. Der mittlere erste Haltearm kann hierbei raumsparend mit den beiden seitlichen Haltearmen die Leitungsenden der wasserführenden Leitungen vorpositionieren.Preferably, the holder can pre-position at least two water-carrying lines. In order to reduce the space required for this purpose, the holder may have a common first support arm, which is arranged between two opposite second support arms. In this case, the middle first holding arm can pre-position the line ends of the water-carrying lines in a space-saving manner with the two lateral holding arms.

Die von den Haltearmen begrenzten, nutförmig offenen Ausnehmungen können dabei in Gegenrichtungen zueinander ausgerichtet sein, um die Halteplatte insgesamt geometrisch formstabil bzw. verwindungssteif auszuführen.The limited by the holding arms, groove-shaped open recesses can be aligned in opposite directions to each other to perform the holding plate geometry dimensionally stable or torsionally stiff.

In einem Verfahren zur Montage des wasserführenden Haushaltsgerätes kann in einem Vormontageschritt zunächst bei noch vom Haushaltsgerät getrenntem Wärmetauscher/Wassereinlauf das Leitungsende in einer lagerichtigen Anschlussposition vorpositioniert werden. In einem folgenden Zusammenbauschritt kann dann der Wärmetauscher/Wassereinlauf in das Haushaltsgerät eingebaut und montiert werden. Gleichzeitig mit dem Einbau des Wärmetauschers in das Haushaltsagerät kann dabei dessen Anschlussstutzen mit dem vorpositionierten Leitungsende verbunden werden.In a method for assembling the water-conducting domestic appliance, the line end can be prepositioned in a positionally correct connection position in a pre-assembly step initially with the heat exchanger / water inlet still separated from the domestic appliance. In a subsequent assembly step, the heat exchanger / water inlet can then be installed and mounted in the household appliance. Simultaneously with the installation of the heat exchanger in the household appliance while its connection piece can be connected to the prepositioned line end.

Nachfolgend ist ein Ausführungsbeispiel der Erfindung anhand der beigefügten Figuren gezeigt.Hereinafter, an embodiment of the invention with reference to the accompanying figures is shown.

Es zeigen:

Fig. 1
in einer perspektivischen Teilansicht einen Montageboden einer Geschirrspülmaschine mit einem Wärmetauscher;
Fig. 2
in einer vergrößerten perspektivischen Teilansicht die in einer Anschlussposition vorpositionierten Schlauchenden von am Wärmetauscher anzuschließenden Ablaufschläuchen; und
Fig. 3
in einer Ansicht von oben eine Halteplatte zur Vorpositionierung der Schlauchenden.
Show it:
Fig. 1
in a perspective partial view of a mounting base of a dishwasher with a heat exchanger;
Fig. 2
in an enlarged perspective partial view of the pre-positioned in a connection position hose ends of to be connected to the heat exchanger drain hoses; and
Fig. 3
in a view from above a holding plate for pre-positioning of the hose ends.

In der Fig. 1 ist in vergrößerter perspektivischer Teildarstellung ein Montageboden 1 einer Geschirrspülmaschine in einem Vormontagezustand gezeigt. Der Montageboden 1 der Geschirrspülmaschine ist als ein Kunststoffspritzgussteil gefertigt. Gemäß der Fig. 1 ist auf dem Montageboden 1 eine Laugenpumpe 3 mit zugeordnetem Pumpensumpf 5 montiert. Außerdem ist ein Wärmetauscher 9 gezeigt, der an einem nicht dargestellten Spülbehälter montiert ist.In the Fig. 1 a mounting base 1 of a dishwasher in a pre-assembly state is shown in enlarged perspective partial representation. The mounting base 1 of the dishwasher is made as a plastic injection molded part. According to the Fig. 1 is mounted on the mounting base 1, a drain pump 3 with associated pump sump 5. In addition, a heat exchanger 9 is shown, which is mounted on a washing container, not shown.

Der Wärmetauscher 9 weist Stutzen 11 auf, an die nicht dargestellte Schlauchleitungen angeschlossen sind. Außerdem weist der plattenförmige Wärmetauscher 9 zwei vertikal nach unten abragende Anschlussstutzen 13 auf, die über Schlauchleitungen 15 jeweils mit der Druckseite der Laugenpumpe 3 und mit dem Wasserversorgungsnetz verbunden sind.The heat exchanger 9 has nozzles 11, are connected to the hose lines, not shown. In addition, the plate-shaped heat exchanger 9 two vertically downwardly projecting connecting piece 13, which via hose lines 15 respectively are connected to the pressure side of the drain pump 3 and to the water supply network.

Die Schlauchleitungen 15 sind dabei im Wesentlichen ohne eigene Formstabilität, so dass sie in Abhängigkeit vom vorhandenen Bauraum in einfacher Weise innerhalb der Geschirrspülmaschine verlegt werden können. Jeder der beiden Schlauchleitungen 15 weist an seinem, dem Wärmetauscher 9 zugewandten Ende ein offenes Schlauch-Endstück 17 auf, in dem jeweils ein Anschlussstutzen 13 des Wärmetauschers 9 eingesetzt ist. Die Schlauch-Endstücke 17 der beiden Schlauchleitungen ragen vertikal nach oben.The hose lines 15 are substantially without their own dimensional stability, so that they can be installed within the dishwasher in a simple manner depending on the available space. Each of the two hose lines 15 has at its, the heat exchanger 9 facing the end of an open hose end piece 17, in each of which a connecting piece 13 of the heat exchanger 9 is inserted. The hose end pieces 17 of the two hose lines project vertically upwards.

Die Schlauch-Endstücke 17 der Schlauchleitungen 15 sind an einem am Montageboden 1 angespritzten Halter 23 in einer Anschlussposition vorpositioniert, wie es in der Fig. 2 gezeigt ist. Der Halter 23 ist gemäß der Fig. 2 T-förmig mit einer vertikalen Mittelwand 25 sowie einer darauf angeformten horizontalen Halteplatte 27 ausgebildet.The hose end pieces 17 of the hose lines 15 are pre-positioned on a holder 23 molded onto the mounting base 1 in a connection position, as shown in FIG Fig. 2 is shown. The holder 23 is according to the Fig. 2 T-shaped with a vertical center wall 25 and formed thereon a horizontal support plate 27.

Wie aus der Fig. 3 hervorgeht, sind in der Halteplatte 27 zwei benachbarte, in Gegenrichtungen zueinander ausgerichtete offene Ausnehmungen 29 ausgebildet. Die Schlauch-Endstücke 17 können dabei jeweils seitlich in die Ausnehmungen 29 in einer Einführrichtung I eingeschoben werden, wie es in der Fig. 3 angedeutet ist. Jede der beiden Ausnehmungen 29 weist hierzu eine schmale Einführöffnung 31 mit einem kreisförmig ausgeweiteten Halteabschnitt 33 auf. Die schmale Einführöffnung 31 ist durch Einführschrägen 35 begrenzt.Like from the Fig. 3 it can be seen, two adjacent, in opposite directions aligned open recesses 29 are formed in the holding plate 27. The tube end pieces 17 can be inserted laterally into the recesses 29 in an insertion direction I, as shown in the Fig. 3 is indicated. Each of the two recesses 29 has for this purpose a narrow insertion opening 31 with a circularly extended holding portion 33. The narrow insertion opening 31 is bounded by insertion bevels 35.

Am Übergang zwischen den Einführschrägen 35 und dem kreisförmig ausgeweiteten Halteabschnitt 33 weist jede der Ausnehmungen 29 Rastkanten 37 auf. Diese sichern formschlüssig das jeweils in die Ausnehmung 29 eingesetzte Schlauch-Endstück 17 gegen ein unbeabsichtigtes Herauslösen. Die Schlauch-Endstücke 17 sind somit in ihrer Radialrichtung, d. h. in der Zeichenebene der Fig. 3, ortsfest in der Halteplatte 27 gehalten.At the transition between the insertion bevels 35 and the circularly extended holding portion 33, each of the recesses 29 locking edges 37. These secure the respectively inserted into the recess 29 hose end piece 17 against unintentional detachment. The hose end pieces 17 are thus in their radial direction, ie in the plane of the Fig. 3 , held stationary in the holding plate 27.

Darüberhinaus weisen die Schlauch-Endstücke 17 für eine in Axialrichtung bzw. Hochrichtung ortsfeste Positionierung eine Ringnut 38 auf, die der umlaufende Rand der jeweiligen Ausnehmung 29 der Halteplatte 27 formschlüssig umgreift. Dadurch ragen die in den Ausnehmungen 29 des Halters 23 eingeschobenen Schlauch-Endstücke 17 um eine vorgegebene Höhe h über die Halteplatte 27 vertikal nach oben (Fig. 2).In addition, the hose end pieces 17 have an annular groove 38 for positioning that is stationary in the axial direction or vertical direction, and the circumferential edge of the respective recess 29 of the retaining plate 27 engages around in a form-fitting manner. This is what the in the recesses 29 of the holder 23 inserted tube end pieces 17 by a predetermined height h on the holding plate 27 vertically upward ( Fig. 2 ).

Wie aus der Fig. 3 weiter hervor geht, sind die beiden Ausnehmungen 29 in der Halteplatte 27 durch einen gemeinsamen mittleren, ersten Haltearm 39 sowie durch gegenüberliegende zweite Haltearme 41 begrenzt.Like from the Fig. 3 further shows, the two recesses 29 in the holding plate 27 by a common middle, first arm 39 and by opposing second retaining arms 41 are limited.

Der Halter 23 ist gemäß der Fig. 2 in einem, gegenüber einer äußeren Montageboden-Seitenwand zurückspringenden Wandbereich angeordnet. Die Seitenwände 43 sowie die Rückwand 45 des zurückspringenden Wandbereichs bilden zusammen mit der Mittelwand 25 jeweils Einführschächte. Darin sind gemäß der Fig. 2 die Schlauchleitungen 15 bereits grob in Richtung des Wärmetauschers 9 vorpositioniert, so dass ein lagerichtiger, sicherer Sitz der Endstücke 17 im Halter 23 gewährleistet ist. Die beiden Schlauchleitungen 15 sind dabei durch Öffnungen 47 in den Seitenwänden 43 und in der Rückwand 45 des zurückspringenden Wandbereichs in die jeweiligen Einführschächte geführt.The holder 23 is according to the Fig. 2 arranged in a, against an outer mounting floor side wall recessed wall portion. The side walls 43 and the rear wall 45 of the recessed wall portion together with the middle wall 25 respectively Einführschächte. In it are according to the Fig. 2 the hose lines 15 already prepositioned roughly in the direction of the heat exchanger 9, so that a correct position, secure fit of the end pieces 17 is ensured in the holder 23. The two hose lines 15 are guided through openings 47 in the side walls 43 and in the rear wall 45 of the recessed wall portion in the respective insertion ducts.

Bei der Montage der Geschirrspülmaschine werden in einem Vormontageschritt zunächst die beiden Schlauch-Endstücke 17 der Schlauchleitungen 15 am Halter 23 lagerichtig in ihrer Anschlussposition vorpositioniert, und zwar bei noch von der Geschirrspülmaschine getrenntem Wärmetauscher 9. Anschließen wird der Wärmetauscher 9 in der Fig. 1 gezeigten Montagerichtung II am Spülbehälter montiert. Bei der Montage am Spülbehälter werden die Anschlussstutzen 13 des Wärmetauschers 9 automatisch in die vorpositionierten Schlauch-Endstücke 17 eingesteckt, ohne dass zusätzliche Sicherungshülsen bzw. -muttern für eine zuverlässige Kopplung erforderlich sind.During assembly of the dishwasher, the two hose end pieces 17 of the hose lines 15 are pre-positioned on the holder 23 in the correct position in its connection position in a pre-assembly step, namely with still separated from the dishwasher heat exchanger 9. Connecting the heat exchanger 9 in the Fig. 1 Mounting direction II shown mounted on the washing. When mounting the washing container, the connecting pieces 13 of the heat exchanger 9 are automatically inserted into the prepositioned hose end pieces 17, without additional securing sleeves or nuts are required for a reliable coupling.

Claims (10)

  1. Water-carrying household appliance, in particular a dishwasher or washing machine, having water-carrying lines (15) and having a holder (23), which holds line ends (17) of at least two water-carrying lines (15), characterised in that a connection pipe (13) of a water container (9) serving as a heat exchanger is inserted respectively into two line ends (17) of the water-carrying lines (15), the holder (23) positioning the water-carrying lines (15) in a connection position for connection to the connection pipe (13) having a shared first holding arm (39), which, with two opposing second holding arms (41), positions the two line ends (17) in open recesses (29) delimited by the holding arms (39, 41) and aligned in opposing directions, each having an insertion opening (31).
  2. Water-carrying household appliance according to claim 1, characterised in that that in a preassembly state the holder (23) positions the line end (17) in the connection position while the water container or water inlet (9) is still separated from the household appliance.
  3. Water-carrying household appliance according to claim 1 or 2, characterised in that the holder (23) is arranged on an assembly base (1) of the household appliance, in particular with the same material and/or as a single piece.
  4. Water-carrying household appliance according to claim 3, characterised in that the holder (23) and/or the assembly base (1) are made of plastic.
  5. Water-carrying household appliance according to one of the preceding claims, characterised in that the line end (17) of the water-carrying line (15) has at least one positioning stop, in particular an annular groove (38), which engages with the holder (23) particularly for vertical positioning of the line end (17).
  6. Water-carrying household appliance according to one of the preceding claims, characterised in that the recesses (29) have locking projections (37) at their insertion openings (31), which hold the line end (17) in the recess (29).
  7. Water-carrying household appliance according to one of the preceding claims, characterised in that the open connection sides of the line ends (17) of the water-carrying lines (15) are aligned counter to an assembly direction (I) of the water container or water inlet (9) and project in particular vertically upwards.
  8. Water-carrying household appliance according to one of the preceding claims, characterised in that the holder (23), on its side facing away from the connection pipe (13), has lateral guide walls (43), which also position the water-carrying line (15).
  9. Method for assembling a water-carrying household appliance, which is configured in particular according to one of the preceding claims, in which a water container (9) serving as a heat exchanger is integrated into the household appliance, its connection pipes (13) being inserted into line ends (17) of water-carrying lines (15), with, in a preassembly step, the line ends (17) being prepositioned in a positionally correct connection position in respect of the respective connection pipes (13) by means of a holder (23), which has a shared first holding arm (39) and two opposing second holding arms (41), which form open recesses (29) aligned in opposing directions, and in a subsequent installation step, when integrating the heat exchanger (9) into the household appliance, its connection pipes (13) being automatically connected to the prepositioned line ends (17).
  10. Method according to claim 9, characterised in that in the preassembly step the line end (17) is prepositioned while the heat exchanger (9) is still separated from the household appliance.
EP08855333.4A 2007-11-29 2008-10-29 Water-carrying household appliance Active EP2219508B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007057515A DE102007057515A1 (en) 2007-11-29 2007-11-29 Water-conducting household appliance
PCT/EP2008/064633 WO2009068397A1 (en) 2007-11-29 2008-10-29 Water-carrying household appliance

Publications (2)

Publication Number Publication Date
EP2219508A1 EP2219508A1 (en) 2010-08-25
EP2219508B1 true EP2219508B1 (en) 2013-07-03

Family

ID=40239812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08855333.4A Active EP2219508B1 (en) 2007-11-29 2008-10-29 Water-carrying household appliance

Country Status (5)

Country Link
US (1) US20100243005A1 (en)
EP (1) EP2219508B1 (en)
CN (1) CN101877991B (en)
DE (1) DE102007057515A1 (en)
WO (1) WO2009068397A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008054971B4 (en) 2008-12-19 2020-06-18 BSH Hausgeräte GmbH Dishwasher with a washing container and a water connection element
DE102009028588A1 (en) * 2009-08-17 2011-02-24 BSH Bosch und Siemens Hausgeräte GmbH Water-conducting household appliance
KR102040791B1 (en) 2011-02-18 2019-11-07 삼성전자주식회사 Washing machine
TR201721473T3 (en) * 2013-12-04 2018-01-22 Arcelik As Household appliance with locking element.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO116755B (en) * 1964-11-03 1969-05-19 Electrolux Ab
DE8412260U1 (en) * 1984-04-18 1985-09-12 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Fastening device for screwless and detachable fastening of a component
DE3614345C1 (en) * 1986-04-28 1987-09-24 Bosch Siemens Hausgeraete Dishwasher
US5251939A (en) * 1991-07-19 1993-10-12 Maytag Corporation Water injector system and method for using same
US5425255A (en) * 1994-02-10 1995-06-20 Eaton Corporation Washing machine fill system
KR0125464Y1 (en) * 1994-03-22 1998-12-15 김광호 Water supply apparatus of a washing machine
DE4438057C1 (en) * 1994-10-25 1995-12-07 Bauknecht Hausgeraete Appts. to fasten discharge and supply tubes
CN1542210A (en) * 2003-04-30 2004-11-03 乐金电子(天津)电器有限公司 Fixing arrangement for a drainage pipe of a washing machine
DE102006027196A1 (en) * 2006-06-12 2007-12-13 BSH Bosch und Siemens Hausgeräte GmbH Fastening arrangement for a hose to a component of a household appliance

Also Published As

Publication number Publication date
EP2219508A1 (en) 2010-08-25
CN101877991A (en) 2010-11-03
DE102007057515A1 (en) 2009-06-04
CN101877991B (en) 2012-12-26
US20100243005A1 (en) 2010-09-30
WO2009068397A1 (en) 2009-06-04

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