EP3060712B1 - Method for fastening an unbalance correction device to a washing drum, arrangement for a domestic appliance, and domestic appliance - Google Patents

Method for fastening an unbalance correction device to a washing drum, arrangement for a domestic appliance, and domestic appliance Download PDF

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Publication number
EP3060712B1
EP3060712B1 EP14781569.0A EP14781569A EP3060712B1 EP 3060712 B1 EP3060712 B1 EP 3060712B1 EP 14781569 A EP14781569 A EP 14781569A EP 3060712 B1 EP3060712 B1 EP 3060712B1
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EP
European Patent Office
Prior art keywords
wall
projection
compensation device
washing drum
receiving part
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EP14781569.0A
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German (de)
French (fr)
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EP3060712A1 (en
Inventor
Robert Kiessling
Holger Reichner
Tom Weber
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Priority to PL14781569T priority Critical patent/PL3060712T3/en
Publication of EP3060712A1 publication Critical patent/EP3060712A1/en
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    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
    • D06F37/225—Damping vibrations by displacing, supplying or ejecting a material, e.g. liquid, into or from counterbalancing pockets
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums

Definitions

  • the invention relates to a method for fastening an annular unbalance compensation device on a laundry drum of a household appliance, wherein the unbalance compensation device is inserted into a circumferentially formed recording of the laundry drum.
  • the invention also relates to an arrangement for a household appliance and a household appliance.
  • an annular balancing device also known as "ball balancer" - to the laundry drum.
  • Such an imbalance compensation device has an annular, hollow housing, in which there is a balancing mass, which is provided for example in the form of a plurality of spherical compensating elements.
  • This balancing mass is movably mounted in the interior of the housing and during operation of the washing machine tends to shift to one of the imbalance masses - with respect to a diameter of the laundry drum - opposite side, thus producing a counterweight for the imbalance mass and consequently an overall balance.
  • a screw connection between an imbalance compensation device and a laundry drum is, for example, in the EP 2 154 285 A1 proposed.
  • KR 10 2008 037 420 A an arrangement in which an imbalance compensation device is fixed via a latching connection to a laundry drum.
  • locking elements are formed on a radial outer circumference of a housing of the unbalance compensation device, which are engaged in corresponding latching openings of the laundry drum.
  • the latching elements lie axially against an edge delimiting the respective latch opening, so that a positive connection is formed in the axial direction.
  • Such a latching connection has in particular the disadvantage that it may come to a release of the latching connection.
  • the imbalance compensation device can be attached to the laundry drum particularly reliable.
  • An inventive method is used for fastening an annular unbalance compensation device to a laundry drum of a household appliance, wherein the unbalance compensation device is inserted into a circumferentially formed receiving the laundry drum.
  • a formed on a housing of the balancing device extension is heated and plastically deformed so that the extension engages behind a receiving wall of the laundry drum.
  • the housing of the imbalance compensation device with a protruding extension or web, which is bent to attach the imbalance compensation device to the laundry drum quasi around the recording limiting wall of the laundry drum with heating, so that the extension on a side facing away from the receiving surface the wall is applied.
  • a grip behind the Wall of the extension allows a particularly effective and reliable attachment of the balancing device to the laundry drum, which can also be automated very well beyond.
  • the imbalance compensation device does not have to be positioned in a complicated manner during assembly and aligned so that the latching elements coincide with the corresponding latching openings. This in turn reduces the effort during assembly.
  • an imbalance compensation device in the present case a device which is designed to compensate and thus to prevent imbalances of the laundry drum.
  • the unbalance compensation device can have a compensating mass arranged movably in the housing, for example in the form of a plurality of spherical elements.
  • Such an imbalance compensation device can also be referred to as a "ball balancer”.
  • the housing of the imbalance compensation device is preferably formed in one piece and may have a base body from which protrudes said extension. While in the main body then the balancing mass of the balancing device is movably arranged, the extension is used to attach the housing to the laundry drum.
  • the housing may be provided in total as an injection molded part.
  • the receptacle, in which the unbalance compensation device is received formed by an axial recess formed on an axial end face of the laundry drum. Then, the unbalance compensation device is received in the receptacle in the axial direction.
  • the assembly of the imbalance compensation device can thus be made after the complete production process of the laundry drum.
  • Said extension can be in one embodiment, a completely circumferential and thus annular extension, which surrounds said wall of the laundry drum fully.
  • the extension in the form of a ring-segment-shaped web and optionally also to provide a plurality of such extensions which are distributed in the circumferential direction.
  • a circumferential extension has the advantage of increased stability; several smaller extensions reduce the assembly effort.
  • the deformation of the extension includes that it is bent over an axial end edge of the wall.
  • the wall can therefore be an axially arranged or extending in the axial direction wall, which is engaged behind on the axial end side of the extension.
  • the housing may be formed so that the extension before deformation is a radial extension, which in particular points in the radial direction to the outside.
  • the extension can thus form a stop, up to which the housing is received in the recess.
  • a projection of the laundry drum which is formed on a side of the wall facing away from the receptacle, in particular on a radial outer circumference of the wall, and in the direction away from the receptacle, in particular in the radial outward direction, is engaged behind by the extension or embraced.
  • said projection of the laundry drum is formed by a fold of the wall. It is thus preferred that the fold, which is engaged behind by the extension of the housing of the imbalance compensation device.
  • the fold is preferably a frontal flanging or a connection point between a cylindrical shell and an axial end wall of the laundry drum. In this way, an already existing fold is additionally used as a kind of fastening element for fastening the unbalance compensation device.
  • the deformation of the extension is preferably carried out by heating a thermoplastic material.
  • the heating and in particular the deformation is carried out by means of a sonotrode, by means of which a mechanical vibration is applied to the extension.
  • the assembly process can be automated without much effort.
  • the extension can be thermoformed by means of the sonotrode and in this case be crimped around the edge of the adjacent wall.
  • the invention also relates to an arrangement for a household appliance, with a laundry drum for receiving laundry items, and with an annular unbalance compensation device which is inserted into a circumferentially formed recording of the laundry drum, wherein the unbalance compensation device by means of a formed on a housing of the imbalance compensation extension to the laundry drum is fixed, which engages behind a receiving wall bounding the laundry drum, wherein the extension is plastically deformed warm, and thus rests against a side facing away from the receiving surface of the wall.
  • An inventive household appliance for the care of items of laundry, in particular a washing machine comprises an arrangement according to the invention.
  • An in Fig.1 Arrangement 1 is designed for use in a washing machine and includes a laundry drum 2 for receiving laundry items and an imbalance compensation device 3 to compensate for imbalances of the laundry drum 2.
  • the laundry drum 2 has a laundry room 4, in which the laundry items can be accommodated and which peripherally is limited by a cylindrical, circumferential jacket 5 and the front side by a front axial end wall 6 on the one hand and a rear or rear axial end wall 7 on the other.
  • Wäschemitpercussion 9 attached, which serve to distribute the laundry items in the laundry room 4.
  • the laundry drum 2 is mounted in a tub via a shaft 10 and rotatably driven by a drive motor about an axis of rotation 11 - in particular a horizontal axis of rotation.
  • the front axial end wall 6 has an opening 12 through which the items of laundry can be introduced into the wash chamber 4.
  • the unbalance compensation device 3 comprises a, in particular made of a thermoplastic plastic material, housing 13, which has a circumferentially formed and hollow base body 14 and an extension 15 protruding therefrom.
  • the main body 14 is executed in cross-section D-shaped.
  • the housing 13 is inserted into an axial receptacle 16, which is formed by an axial recess in the front axial end wall 6 of the laundry drum 2.
  • the axial receptacle 16 is bounded radially on the one hand by a wall 17 and on the other hand by an axially extending portion 18 of the end wall 6 and axially by a radially arranged edge region 19 of the end wall 6.
  • the housing 13 is inserted in such a way that a D-shaped or belly-like arch 20 of the main body 14 points in the direction of the wash chamber 4 and thus rests against the edge region 19.
  • the extension 15 is from a flat portion 21 of the body 14 from.
  • the housing 13 is first axially inserted so far into the receptacle 16 until the first radially outwardly facing extension 15 is brought into abutment with an axial end edge 22 of the wall 17.
  • a radially outwardly projecting projection 23 in the form of a fold is formed, which is formed by a crimping of the jacket 5 with the front axial end wall 6 of the laundry drum 2.
  • the extension 15 After insertion of the housing 13 in the receptacle 16 of the laundry drum 2, the extension 15 is plastically deformed while heating and bent around the axial end edge 22 of the wall 17 and thus also around the projection 23 or crimped. The extension 15 is thus deformed so that it engages behind the wall 17, and in particular the radial projection 23, after its deformation and engages with its free end 24 on a side facing away from the receptacle 16 surface 25 of the shell 5 axially behind the projection 23. The extension 15 also lies completely against the projection 23, so that it is virtually completely encased or surrounded by the extension 15.
  • the wall 17 is thus a double-walled structure, which is formed both by a region of the jacket 5 and by a portion of the end wall 6.
  • a sonotrode 26 can be used, as shown schematically in the FIGS. 3a and 3b is indicated.
  • mechanical vibration can be applied to the extension 15, through which the extension 15 is heated and plastically deformed.
  • the heating and the deformation of the extension 15 can be carried out at the same time, as shown in FIGS FIGS. 3a and 3b is shown schematically.
  • Fig. 3a a state is shown in which the extension 15 is not deformed and continues to point in the radial direction.
  • the state according to Fig. 3b achieved, in which the extension 15 is deformed and the axial end edge 22 of the wall 17 engages behind.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Description

Die Erfindung betrifft ein Verfahren zum Befestigen einer ringförmigen Unwuchtausgleichsvorrichtung an einer Wäschetrommel eines Haushaltsgeräts, wobei die Unwuchtausgleichsvorrichtung in eine umlaufend ausgebildete Aufnahme der Wäschetrommel eingesetzt wird. Die Erfindung betrifft außerdem eine Anordnung für ein Haushaltsgerät sowie ein Haushaltsgerät.The invention relates to a method for fastening an annular unbalance compensation device on a laundry drum of a household appliance, wherein the unbalance compensation device is inserted into a circumferentially formed recording of the laundry drum. The invention also relates to an arrangement for a household appliance and a household appliance.

Während eines Waschprozesses einer Waschmaschine kommt es bekanntlich zu einer zufälligen und unregelmäßigen Verteilung der Wäschestücke in der Wäschetrommel. Es resultieren Unwuchten, die relativ große mechanische Schwingungen der Wäschetrommel und damit auch große mechanische Belastungen des gesamten Haushaltsgeräts verursachen. Einerseits werden durch die resultierenden Schwingungen für den Benutzer unangenehme Geräusche erzeugt; andererseits kann dies auch zu einer mechanischen Beanspruchung des Bodenbelags führen, auf welchem das Haushaltsgerät aufgestellt ist.During a washing process of a washing machine, it is known that a random and irregular distribution of the laundry items in the laundry drum. This results in imbalances that cause relatively large mechanical vibrations of the laundry drum and thus large mechanical loads on the entire household appliance. On the one hand, unpleasant noises are generated by the resulting vibrations for the user; On the other hand, this can also lead to a mechanical stress on the flooring on which the household appliance is placed.

Um im Betrieb einer Waschmaschine die Schwingungen der Wäschetrommel zu verhindern oder zumindest stark zu reduzieren, wird im Stand der Technik bereits vorgeschlagen, eine ringförmige Unwuchtausgleichsvorrichtung - auch unter der Bezeichnung "Ball-Balancer" bekannt - an der Wäschetrommel zu befestigen. Eine derartige Unwuchtausgleichsvorrichtung weist ein ringförmiges, hohles Gehäuse auf, in welchem sich eine Ausgleichsmasse befindet, die beispielsweise in Form von mehreren kugelförmigen Ausgleichselementen bereitgestellt ist. Diese Ausgleichsmasse ist im Inneren des Gehäuses bewegbar gelagert und tendiert im Betrieb der Waschmaschine dazu, sich auf eine der Unwuchtmasse - bezüglich eines Durchmessers der Wäschetrommel - gegenüberliegende Seite zu verschieben, um somit ein Gegengewicht für die Unwuchtmasse und folglich insgesamt ein Gleichgewicht herzustellen.In order to prevent or at least greatly reduce the vibrations of the laundry drum during operation of a washing machine, it has already been proposed in the prior art to fasten an annular balancing device - also known as "ball balancer" - to the laundry drum. Such an imbalance compensation device has an annular, hollow housing, in which there is a balancing mass, which is provided for example in the form of a plurality of spherical compensating elements. This balancing mass is movably mounted in the interior of the housing and during operation of the washing machine tends to shift to one of the imbalance masses - with respect to a diameter of the laundry drum - opposite side, thus producing a counterweight for the imbalance mass and consequently an overall balance.

Vorliegend richtet sich das Interesse auf die Befestigung einer solchen Unwuchtausgleichsvorrichtung an einer Wäschetrommel. Derartige Verfahren sind bereits aus dem Stand der Technik in vielfältiger Ausgestaltung bekannt. So beschreibt beispielsweise die Druckschrift US 2011/0203325 A1 eine Lösung, bei welcher das Gehäuse der Unwuchtausgleichsvorrichtung an eine axiale Stirnwand der Wäschetrommel angespritzt wird.In the present case, the interest is directed to the attachment of such an imbalance compensation device to a laundry drum. Such methods are already known from the prior art in various embodiments. So describes for example, the publication US 2011/0203325 A1 a solution in which the housing of the imbalance compensation device is molded onto an axial end wall of the laundry drum.

Es ist außerdem bereits Stand der Technik, die Unwuchtausgleichsvorrichtung mit Hilfe von Schrauben an der Wäschetrommel zu befestigen. In diesem Zusammenhang ist es beispielsweise bekannt, an einer axialen Seite der Unwuchtausgleichsvorrichtung Fortsätze mit radialen Bohrungen bzw. so genannte Schraubdome vorzusehen, welche jeweils zur Aufnahme einer Schraube ausgebildet sind. Durch derartige Schraubdome wird jedoch relativ viel Bauraum in axialer Richtung benötigt, wodurch in nachteiliger Weise das Nutzvolumen des Wäscheraums der Trommel insgesamt deutlich reduziert werden muss. An diesem Stand der Technik ist des Weiteren als nachteilig der Umstand anzusehen, dass zusätzliche Befestigungselemente in Form von Schrauben bereitgestellt werden müssen und außerdem aufwendige Schraubvorgänge erforderlich sind, die zu einer Verzögerung des Montageprozesses führen.It is also already prior art to attach the unbalance compensation device by means of screws to the laundry drum. In this connection, it is known, for example, to provide extensions with radial bores or so-called screw domes on one axial side of the unbalance compensation device, which are each designed to receive a screw. By such screw domes, however, a relatively large amount of space in the axial direction is required, which disadvantageously the useful volume of the wash chamber of the drum must be significantly reduced overall. Furthermore, the circumstance that additional fastening elements in the form of screws must be provided and also complicated screwing operations are required, which lead to a delay of the assembly process, is disadvantageous in this state of the art.

Eine Schraubverbindung zwischen einer Unwuchtausgleichsvorrichtung und einer Wäschetrommel wird beispielsweise in der EP 2 154 285 A1 vorgeschlagen.A screw connection between an imbalance compensation device and a laundry drum is, for example, in the EP 2 154 285 A1 proposed.

Des Weiteren beschreibt die KR 10 2008 037 420 A eine Anordnung, bei welcher eine Unwuchtausgleichsvorrichtung über eine Rastverbindung an einer Wäschetrommel festgelegt ist. Bei der Ausführungsform gemäß Fig. 1 von diesem Dokument sind an einem radialen Außenumfang eines Gehäuses der Unwuchtausgleichsvorrichtung Rastelemente ausgebildet, welche in korrespondierenden Rastöffnungen der Wäschetrommel eingerastet sind. Die Rastelemente liegen dabei an einer die jeweilige Rastöffnung begrenzenden Kante axial an, sodass eine formschlüssige Verbindung in axialer Richtung gebildet ist. Eine derartige Rastverbindung hat insbesondere den Nachteil, dass es zu einem Lösen der Rastverbindung kommen kann. Im Betrieb der Waschmaschine können nämlich radiale Verformungen der Wäschetrommel - insbesondere eine Ovalisierung - auftreten, was zu einer radialen Verschiebung zwischen dem Mantel der Wäschetrommel einerseits und dem Gehäuse der Unwuchtausgleichsvorrichtung andererseits führen kann. Kommt es zu einer derartigen Verschiebung, so können sich die Rastelemente der Unwuchtausgleichsvorrichtung von den jeweiligen Rastöffnungen lösen, und es kann insgesamt zu einem Herausfallen der Unwuchtausgleichsvorrichtung aus der axialen Vertiefung der Wäschetrommel kommen. Ein weiteres Verfahren zum Befestigen einer ringförmigen Unwuchtausgleichsvorrichtung an einer Wäschetrommel und einen entsprechende Anordnung für ein Haushaltsgerät umfassend eine Wäschetrommel und die Unwuchtausgleichsvorrichtung ist aus DE 10 2009 021 327 A1 bekannt. Zur Herstellung der Anordnung wird die Unwuchtvorrichtung, welche einen Fortsatz aufweist, in eine umlaufend ausgebildete Aufnahme eingesetzt und der Fortsatz in einer Freimachung einer die Aufnahme begrenzende Wand verhakt.Furthermore, the describes KR 10 2008 037 420 A an arrangement in which an imbalance compensation device is fixed via a latching connection to a laundry drum. In the embodiment according to Fig. 1 from this document locking elements are formed on a radial outer circumference of a housing of the unbalance compensation device, which are engaged in corresponding latching openings of the laundry drum. The latching elements lie axially against an edge delimiting the respective latch opening, so that a positive connection is formed in the axial direction. Such a latching connection has in particular the disadvantage that it may come to a release of the latching connection. In the operation of the washing machine namely radial deformations of the laundry drum - in particular an ovalization - occur, which can lead to a radial displacement between the jacket of the laundry drum on the one hand and the housing of the balancing device on the other. If there is such a shift, then the locking elements of the imbalance compensation device of solve the respective latching openings, and it can come to a total fall out of the imbalance compensation device from the axial recess of the laundry drum. Another method for attaching an annular unbalance compensation device to a laundry drum and a corresponding arrangement for a household appliance comprising a laundry drum and the imbalance compensation device is made of DE 10 2009 021 327 A1 known. To produce the arrangement, the unbalance device, which has an extension, inserted into a circumferentially formed receptacle and the extension hooked in a franking of a wall bounding the recording.

Es ist Aufgabe der Erfindung, eine Lösung aufzuzeigen, wie bei einem Verfahren der eingangs genannten Gattung die Unwuchtausgleichsvorrichtung besonders zuverlässig an der Wäschetrommel befestigt werden kann.It is an object of the invention to provide a solution, as in a method of the type mentioned, the imbalance compensation device can be attached to the laundry drum particularly reliable.

Diese Aufgabe wird erfindungsgemäß durch ein Verfahren, durch eine Anordnung sowie durch ein Haushaltsgerät mit den Merkmalen gemäß den jeweiligen unabhängigen Patentansprüchen gelöst. Vorteilhafte Ausführungen der Erfindung sind Gegenstand der abhängigen Patentansprüche, der Beschreibung und der Figuren.This object is achieved by a method by an arrangement and by a household appliance with the features according to the respective independent claims. Advantageous embodiments of the invention are the subject of the dependent claims, the description and the figures.

Ein erfindungsgemäßes Verfahren dient zum Befestigen einer ringförmigen Unwuchtausgleichsvorrichtung an einer Wäschetrommel eines Haushaltsgeräts, wobei die Unwuchtausgleichsvorrichtung in eine umlaufend ausgebildete Aufnahme der Wäschetrommel eingesetzt wird. Ein an einem Gehäuse der Unwuchtausgleichsvorrichtung ausgebildeter Fortsatz wird erwärmt und plastisch so verformt, dass der Fortsatz eine die Aufnahme begrenzende Wandung der Wäschetrommel hintergreift.An inventive method is used for fastening an annular unbalance compensation device to a laundry drum of a household appliance, wherein the unbalance compensation device is inserted into a circumferentially formed receiving the laundry drum. A formed on a housing of the balancing device extension is heated and plastically deformed so that the extension engages behind a receiving wall of the laundry drum.

Erfindungsgemäß wird somit vorgeschlagen, das Gehäuse der Unwuchtausgleichsvorrichtung mit einem abstehenden Fortsatz bzw. Steg auszugestalten, der zur Befestigung der Unwuchtausgleichsvorrichtung an der Wäschetrommel quasi um die die Aufnahme begrenzende Wandung der Wäschetrommel unter Erwärmen umgebogen wird, sodass der Fortsatz an einer von der Aufnahme abgewandten Fläche der Wandung anliegt. Durch ein derartiges Hintergreifen der Wandung von dem Fortsatz wird eine besonders wirkungsvolle und zuverlässige Befestigung der Unwuchtausgleichsvorrichtung an der Wäschetrommel ermöglicht, welche darüber hinaus sehr gut automatisiert werden kann. Es sind außerdem keine zusätzlichen Befestigungselemente, wie insbesondere Schrauben, erforderlich, sodass sich der Einsatz von derartigen Befestigungselementen mit den damit verbundenen Nachteilen hinsichtlich der Kosten, des Bauraums und der zusätzlichen Montagezeit erübrigt. Weil keine zusätzlichen Aussparungen bzw. Öffnungen in der Wäschetrommel selbst erforderlich sind, wird die Steifigkeit der Wäschetrommel durch diese Befestigungsart nicht beeinträchtigt. Dies wiederum führt dazu, dass das Risiko einer Verformung der Wäschetrommel im Betrieb reduziert ist. Im Vergleich zu einer Rastlösung muss die Unwuchtausgleichsvorrichtung bei der Montage nicht in aufwendiger Weise positioniert und so ausgerichtet werden, dass die Rastelemente mit den korrespondierenden Rastöffnungen zusammenfallen. Dies reduziert wiederum den Aufwand bei der Montage.According to the invention it is therefore proposed to design the housing of the imbalance compensation device with a protruding extension or web, which is bent to attach the imbalance compensation device to the laundry drum quasi around the recording limiting wall of the laundry drum with heating, so that the extension on a side facing away from the receiving surface the wall is applied. By such a grip behind the Wall of the extension allows a particularly effective and reliable attachment of the balancing device to the laundry drum, which can also be automated very well beyond. There are also no additional fasteners, in particular screws required, so that the use of such fasteners with the associated disadvantages in terms of cost, installation space and additional assembly time is unnecessary. Because no additional recesses or openings in the laundry drum itself are required, the rigidity of the laundry drum is through this Type of attachment not impaired. This in turn means that the risk of deformation of the laundry drum is reduced during operation. Compared to a latching solution, the imbalance compensation device does not have to be positioned in a complicated manner during assembly and aligned so that the latching elements coincide with the corresponding latching openings. This in turn reduces the effort during assembly.

Unter einer Unwuchtausgleichsvorrichtung wird vorliegend eine Vorrichtung verstanden, welche zum Ausgleich und somit zur Verhinderung von Unwuchten der Wäschetrommel ausgebildet ist. Die Unwuchtausgleichsvorrichtung kann eine bewegbar in dem Gehäuse angeordnete Ausgleichsmasse - beispielsweise in Form von mehreren kugelförmigen Elementen - aufweisen. Eine derartige Unwuchtausgleichsvorrichtung kann auch als "Ball-Balancer" bezeichnet werden.Under an imbalance compensation device is understood in the present case a device which is designed to compensate and thus to prevent imbalances of the laundry drum. The unbalance compensation device can have a compensating mass arranged movably in the housing, for example in the form of a plurality of spherical elements. Such an imbalance compensation device can also be referred to as a "ball balancer".

Das Gehäuse der Unwuchtausgleichsvorrichtung ist vorzugsweise einstückig ausgebildet und kann einen Grundkörper aufweisen, von welchem der genannte Fortsatz absteht. Während in dem Grundkörper dann die Ausgleichsmasse der Unwuchtausgleichsvorrichtung beweglich angeordnet ist, dient der Fortsatz zur Befestigung des Gehäuses an der Wäschetrommel. Das Gehäuse kann insgesamt als Spritzgussteil bereitgestellt sein.The housing of the imbalance compensation device is preferably formed in one piece and may have a base body from which protrudes said extension. While in the main body then the balancing mass of the balancing device is movably arranged, the extension is used to attach the housing to the laundry drum. The housing may be provided in total as an injection molded part.

Bevorzugt ist die Aufnahme, in welche die Unwuchtausgleichsvorrichtung aufgenommen wird, durch eine an einer axialen Stirnseite der Wäschetrommel ausgebildete axiale Vertiefung gebildet. Dann wird die Unwuchtausgleichsvorrichtung in die Aufnahme in axialer Richtung aufgenommen. Die Montage der Unwuchtausgleichsvorrichtung kann somit nach dem vollständigen Herstellungsprozess der Wäschetrommel vorgenommen werden.Preferably, the receptacle, in which the unbalance compensation device is received, formed by an axial recess formed on an axial end face of the laundry drum. Then, the unbalance compensation device is received in the receptacle in the axial direction. The assembly of the imbalance compensation device can thus be made after the complete production process of the laundry drum.

Der genannte Fortsatz kann in einer Ausführungsform ein vollständig umlaufender und somit ringförmiger Fortsatz sein, welcher die genannte Wandung der Wäschetrommel vollumfänglich umgreift. Alternativ ist jedoch auch möglich, den Fortsatz in Form eines ringsegmentförmigen Stegs auszugestalten und optional auch mehrere solche Fortsätze vorzusehen, die in Umfangsrichtung verteilt angeordnet sind. Ein umlaufender Fortsatz hat den Vorteil der erhöhten Stabilität; mehrere kleinere Fortsätze reduzieren wiederum den Montageaufwand.Said extension can be in one embodiment, a completely circumferential and thus annular extension, which surrounds said wall of the laundry drum fully. Alternatively, however, it is also possible to design the extension in the form of a ring-segment-shaped web and optionally also to provide a plurality of such extensions which are distributed in the circumferential direction. A circumferential extension has the advantage of increased stability; several smaller extensions reduce the assembly effort.

Vorzugsweise beinhaltet das Verformen des Fortsatzes, dass dieser um eine axiale Stirnkante der Wandung umgebogen wird. Die Wandung kann also eine axial angeordnete bzw. sich in axialer Richtung erstreckende Wandung sein, welche an ihrer axialen Stirnseite von dem Fortsatz hintergriffen wird. Auf diese Art und Weise gelingt es, eine in radialer Richtung besonders stabile und rutschfeste sowie betriebssichere Anordnung der Unwuchtausgleichsvorrichtung an der Wäschetrommel zu schaffen, bei welcher in radialer Richtung ein Formschluss zwischen dem Gehäuse und der Wäschetrommel bereitgestellt ist. Ein Lösen der Verbindung ist somit selbst bei betriebsbedingten Verformungen der Wäschetrommel, wie etwa bei einer Ovalisierung, ausgeschlossen.Preferably, the deformation of the extension includes that it is bent over an axial end edge of the wall. The wall can therefore be an axially arranged or extending in the axial direction wall, which is engaged behind on the axial end side of the extension. In this way, it is possible to provide a particularly stable and non-slip in the radial direction arrangement of the unbalance compensation device on the laundry drum, in which a positive connection between the housing and the laundry drum is provided in the radial direction. Loosening of the connection is thus impossible even during operational deformations of the laundry drum, such as in an ovalization.

Das Gehäuse kann so ausgebildet sein, dass der Fortsatz vor dem Verformen ein radialer Fortsatz ist, welcher insbesondere in radialer Richtung nach außen zeigt. Beim Aufnehmen des Gehäuses in die axiale Aufnahme bzw. Vertiefung der Wäschetrommel kann der Fortsatz somit einen Anschlag bilden, bis zu welchem das Gehäuse in die Vertiefung aufgenommen wird. Erfindungsgemäss wird bei dem Verformen des Fortsatzes ein an einer von der Aufnahme abgewandten Seite der Wandung, insbesondere an einem radialen Außenumfang der Wandung, ausgebildeter und in Richtung von der Aufnahme weg, insbesondere in radialer Richtung nach außen, weisender Vorsprung der Wäschetrommel von dem Fortsatz hintergriffen bzw. umgriffen. Wird der Fortsatz des Gehäuses so verformt, dass er den genannten radialen Vorsprung der Wäschetrommel hintergreift, sodass der Fortsatz des Gehäuses den Vorsprung insbesondere vollständig umgreift, so wird ein Formschluss auch in axialer Richtung bereitgestellt. Auf diesem Wege gelingt es, auch in axialer Richtung eine besonders stabile und betriebssichere Anordnung der Unwuchtausgleichsvorrichtung an der Wäschetrommel zu ermöglichen. Bevorzugt ist der genannte Vorsprung der Wäschetrommel durch einen Falz der Wandung gebildet. Es ist somit bevorzugt der Falz, welcher von dem Fortsatz des Gehäuses der Unwuchtausgleichsvorrichtung hintergriffen wird. Der Falz ist vorzugsweise eine stirnseitige Bördelung bzw. eine Verbindungsstelle zwischen einem zylinderförmigen Mantel und einer axialen Stirnwandung der Wäschetrommel. Auf diese Art und Weise wird ein ohnehin vorhandener Falz zusätzlich quasi als Befestigungselement zur Befestigung der Unwuchtausgleichsvorrichtung genutzt.The housing may be formed so that the extension before deformation is a radial extension, which in particular points in the radial direction to the outside. When receiving the housing into the axial receptacle or depression of the laundry drum, the extension can thus form a stop, up to which the housing is received in the recess. According to the invention, when the extension is deformed, a projection of the laundry drum, which is formed on a side of the wall facing away from the receptacle, in particular on a radial outer circumference of the wall, and in the direction away from the receptacle, in particular in the radial outward direction, is engaged behind by the extension or embraced. If the extension of the housing is deformed in such a way that it engages behind the aforementioned radial projection of the laundry drum, so that the extension of the housing completely surrounds the projection in particular, a positive connection is also provided in the axial direction. In this way, it is possible to allow a particularly stable and reliable arrangement of unbalance compensation device on the laundry drum in the axial direction. Preferably, said projection of the laundry drum is formed by a fold of the wall. It is thus preferred that the fold, which is engaged behind by the extension of the housing of the imbalance compensation device. The fold is preferably a frontal flanging or a connection point between a cylindrical shell and an axial end wall of the laundry drum. In this way, an already existing fold is additionally used as a kind of fastening element for fastening the unbalance compensation device.

Das Verformen des Fortsatzes erfolgt vorzugsweise unter Erwärmen eines thermoplastischen Kunststoffmaterials. Zumindest der Fortsatz des Gehäuses - insbesondere das gesamte Gehäuse der Unwuchtausgleichsvorrichtung - ist nämlich vorzugsweise aus einem thermoplastischen Kunststoff gebildet. Dadurch kann eine plastische Verformung des Fortsatzes auch unter relativ geringen Temperaturen und/oder mittels Ultraschallschweißen ermöglicht werden.The deformation of the extension is preferably carried out by heating a thermoplastic material. At least the extension of the housing - in particular the entire housing of the imbalance compensation device - namely is preferably formed of a thermoplastic material. As a result, a plastic deformation of the extension can be made possible even at relatively low temperatures and / or by means of ultrasonic welding.

Es erweist sich als besonders vorteilhaft, wenn das Erwärmen und insbesondere auch das Verformen mittels einer Sonotrode durchgeführt wird, mittels welcher eine mechanische Schwingung auf den Fortsatz aufgebracht wird. Somit lässt sich der Montageprozess ohne viel Aufwand automatisieren. Der Fortsatz kann bei dieser Ausführungsform mittels der Sonotrode warm verformt und hierbei um die Kante der angrenzenden Wandung gebördelt werden.It proves to be particularly advantageous if the heating and in particular the deformation is carried out by means of a sonotrode, by means of which a mechanical vibration is applied to the extension. Thus, the assembly process can be automated without much effort. In this embodiment, the extension can be thermoformed by means of the sonotrode and in this case be crimped around the edge of the adjacent wall.

Die Erfindung betrifft außerdem eine Anordnung für ein Haushaltsgerät, mit einer Wäschetrommel zur Aufnahme von Wäschestücken, und mit einer ringförmigen Unwuchtausgleichsvorrichtung, welche in eine umlaufend ausgebildete Aufnahme der Wäschetrommel eingesetzt ist, wobei die Unwuchtausgleichsvorrichtung mittels eines an einem Gehäuse der Unwuchtausgleichsvorrichtung ausgebildeten Fortsatzes an der Wäschetrommel festgelegt ist, der eine die Aufnahme begrenzende Wandung der Wäschetrommel hintergreift, wobei der Fortsatz plastisch warm verformt ist, und somit an einer von der Aufnahme abgewandten Fläche der Wandung anliegt.The invention also relates to an arrangement for a household appliance, with a laundry drum for receiving laundry items, and with an annular unbalance compensation device which is inserted into a circumferentially formed recording of the laundry drum, wherein the unbalance compensation device by means of a formed on a housing of the imbalance compensation extension to the laundry drum is fixed, which engages behind a receiving wall bounding the laundry drum, wherein the extension is plastically deformed warm, and thus rests against a side facing away from the receiving surface of the wall.

Ein erfindungsgemäßes Haushaltsgerät zur Pflege von Wäschestücken, insbesondere eine Waschmaschine, umfasst eine erfindungsgemäße Anordnung.An inventive household appliance for the care of items of laundry, in particular a washing machine, comprises an arrangement according to the invention.

Die mit Bezug auf das erfindungsgemäße Verfahren vorgestellten bevorzugten Ausführungsformen und deren Vorteile gelten entsprechend für die erfindungsgemäße Anordnung sowie für das erfindungsgemäße Haushaltsgerät.The preferred embodiments presented with reference to the method according to the invention and their advantages apply correspondingly to the arrangement according to the invention and to the household appliance according to the invention.

Weitere Merkmale der Erfindung ergeben sich aus den Ansprüchen, den Figuren und der Figurenbeschreibung. Alle vorstehend in der Beschreibung genannten Merkmale und Merkmalskombinationen sowie die nachfolgend in der Figurenbeschreibung genannten und/oder in den Figuren alleine gezeigten Merkmale und Merkmalskombinationen sind nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder aber in Alleinstellung verwendbar.Further features of the invention will become apparent from the claims, the figures and the description of the figures. All the features and feature combinations mentioned above in the description as well as the features and feature combinations mentioned below in the description of the figures and / or shown alone in the figures can be used not only in the respectively indicated combination but also in other combinations or alone.

Die Erfindung wird nun anhand eines bevorzugten Ausführungsbeispiels sowie unter Bezugnahme auf die beigefügten Zeichnungen näher erläutert.The invention will now be described with reference to a preferred embodiment and with reference to the accompanying drawings.

Es zeigen:

Fig. 1
in schematischer Darstellung eine Schnittansicht durch einen Bereich einer Anordnung mit einer Wäschetrommel und einer Unwuchtausgleichsvorrichtung gemäß einer Ausführungsform der Erfindung;
Fig. 2
in schematischer Darstellung eine vergrößerte Ansicht eines in Fig. 1 mit II bezeichneten Bereiches, wobei ein Verfahren zur Montage der Unwuchtausgleichsvorrichtung an der Wäschetrommel näher erläutert wird; und
Fig. 3a und 3b
schematische Darstellungen zur Erläuterung des Montageverfahrens.
Show it:
Fig. 1
a schematic sectional view through a portion of an arrangement with a laundry drum and an imbalance compensation device according to an embodiment of the invention;
Fig. 2
in schematic representation an enlarged view of an in Fig. 1 designated II area, wherein a method for mounting the imbalance compensation device is explained in more detail on the laundry drum; and
Fig. 3a and 3b
schematic representations to explain the assembly process.

Eine in Fig.1 gezeigte Anordnung 1 ist für den Einsatz in einer Waschmaschine konzipiert und umfasst eine Wäschetrommel 2 zur Aufnahme von Wäschestücken sowie eine Unwuchtausgleichsvorrichtung 3 zum Ausgleich von Unwuchten der Wäschetrommel 2. Die Wäschetrommel 2 hat einen Wäscheraum 4, in welchen die Wäschestücke aufgenommen werden können und welcher umfangsseitig durch einen zylinderförmigen, umlaufenden Mantel 5 und stirnseitig durch eine vordere axiale Stirnwandung 6 einerseits sowie eine hintere bzw. rückseitige axiale Stirnwandung 7 andererseits begrenzt ist. An einer Innenseite 8 des Mantels 5 sind in an sich bekannter Weise sogenannte Wäschemitnehmer 9 angebracht, welche zur Verteilung der Wäschestücke in dem Wäscheraum 4 dienen.An in Fig.1 Arrangement 1 is designed for use in a washing machine and includes a laundry drum 2 for receiving laundry items and an imbalance compensation device 3 to compensate for imbalances of the laundry drum 2. The laundry drum 2 has a laundry room 4, in which the laundry items can be accommodated and which peripherally is limited by a cylindrical, circumferential jacket 5 and the front side by a front axial end wall 6 on the one hand and a rear or rear axial end wall 7 on the other. On an inner side 8 of the jacket 5 so-called in known manner Wäschemitnehmer 9 attached, which serve to distribute the laundry items in the laundry room 4.

Die Wäschetrommel 2 wird in einem Laugenbehälter über eine Welle 10 gelagert und mittels eines Antriebsmotors drehbar um eine Drehachse 11 - insbesondere eine horizontale Drehachse - angetrieben.The laundry drum 2 is mounted in a tub via a shaft 10 and rotatably driven by a drive motor about an axis of rotation 11 - in particular a horizontal axis of rotation.

Die vordere axiale Stirnwandung 6 weist eine Öffnung 12 auf, durch welche die Wäschestücke in den Wäscheraum 4 eingebracht werden können.The front axial end wall 6 has an opening 12 through which the items of laundry can be introduced into the wash chamber 4.

Die Unwuchtausgleichsvorrichtung 3 umfasst ein, insbesondere aus einem thermoplastischen Kunststoffmaterial gebildetes, Gehäuse 13, welches einen umlaufend ausgebildeten und hohlen Grundkörper 14 sowie einen davon abstehenden Fortsatz 15 aufweist. Der Grundkörper 14 ist im Querschnitt D-förmig ausgeführt. Das Gehäuse 13 ist in eine axiale Aufnahme 16 eingesetzt, welche durch eine axiale Vertiefung in der vorderen axialen Stirnwandung 6 der Wäschetrommel 2 gebildet ist.The unbalance compensation device 3 comprises a, in particular made of a thermoplastic plastic material, housing 13, which has a circumferentially formed and hollow base body 14 and an extension 15 protruding therefrom. The main body 14 is executed in cross-section D-shaped. The housing 13 is inserted into an axial receptacle 16, which is formed by an axial recess in the front axial end wall 6 of the laundry drum 2.

Mit weiterem Bezug auf Fig. 1 ist die axiale Aufnahme 16 radial einerseits durch eine Wandung 17 und andererseits durch einen axial verlaufenden Abschnitt 18 der Stirnwandung 6 sowie axial durch einen radial angeordneten Randbereich 19 der Stirnwandung 6 begrenzt. Das Gehäuse 13 ist so eingesetzt, dass ein D-förmiges bzw. bauchartiges Gewölbe 20 des Grundkörpers 14 in Richtung zum Wäscheraum 4 weist und somit an dem Randbereich 19 anliegt.With further reference to Fig. 1 the axial receptacle 16 is bounded radially on the one hand by a wall 17 and on the other hand by an axially extending portion 18 of the end wall 6 and axially by a radially arranged edge region 19 of the end wall 6. The housing 13 is inserted in such a way that a D-shaped or belly-like arch 20 of the main body 14 points in the direction of the wash chamber 4 and thus rests against the edge region 19.

Bezug nehmend nun auf Fig. 2, welche einen in Fig. 1 mit II angedeuteten Bereich in vergrößerter Darstellung zeigt, steht der Fortsatz 15 von einem ebenen Bereich 21 des Grundkörpers 14 ab. Bei der Montage wird das Gehäuse 13 zunächst so weit in die Aufnahme 16 axial eingeführt, bis der zunächst radial nach außen zeigende Fortsatz 15 in Anschlag mit einer axialen Stirnkante 22 der Wandung 17 gebracht wird. An der Wandung 17 ist außerdem ein radial nach außen abstehender Vorsprung 23 in Form eines Falzes ausgebildet, der durch eine Bördelung des Mantels 5 mit der vorderen axialen Stirnwandung 6 der Wäschetrommel 2 gebildet ist.Referring now to Fig. 2 who have an in Fig. 1 With II indicated area in an enlarged view, the extension 15 is from a flat portion 21 of the body 14 from. During assembly, the housing 13 is first axially inserted so far into the receptacle 16 until the first radially outwardly facing extension 15 is brought into abutment with an axial end edge 22 of the wall 17. On the wall 17 also a radially outwardly projecting projection 23 in the form of a fold is formed, which is formed by a crimping of the jacket 5 with the front axial end wall 6 of the laundry drum 2.

Nach dem Einführen des Gehäuses 13 in die Aufnahme 16 der Wäschetrommel 2 wird der Fortsatz 15 unter Erwärmen plastisch verformt und um die axiale Stirnkante 22 der Wandung 17 und somit auch um den Vorsprung 23 umgebogen bzw. gebördelt. Der Fortsatz 15 wird also derart verformt, dass er nach dem Verformen die Wandung 17, und insbesondere den radialen Vorsprung 23, hintergreift und mit seinem freien Ende 24 an einer von der Aufnahme 16 abgewandten Fläche 25 des Mantels 5 axial hinter dem Vorsprung 23 anliegt. Der Fortsatz 15 liegt außerdem vollständig an dem Vorsprung 23 an, sodass dieser von dem Fortsatz 15 quasi vollständig ummantelt bzw. umgriffen ist.After insertion of the housing 13 in the receptacle 16 of the laundry drum 2, the extension 15 is plastically deformed while heating and bent around the axial end edge 22 of the wall 17 and thus also around the projection 23 or crimped. The extension 15 is thus deformed so that it engages behind the wall 17, and in particular the radial projection 23, after its deformation and engages with its free end 24 on a side facing away from the receptacle 16 surface 25 of the shell 5 axially behind the projection 23. The extension 15 also lies completely against the projection 23, so that it is virtually completely encased or surrounded by the extension 15.

Die Wandung 17 ist also eine doppelwandige Struktur, welche sowohl durch einen Bereich des Mantels 5 als auch durch einen Abschnitt der Stirnwandung 6 gebildet ist.The wall 17 is thus a double-walled structure, which is formed both by a region of the jacket 5 and by a portion of the end wall 6.

Zur Erwärmung und Verformung des Fortsatzes 15 kann beispielsweise eine Sonotrode 26 genutzt werden, wie sie schematisch in den Figuren 3a und 3b angedeutet ist. Mittels einer derartigen Sonotrode 26 kann mechanische Schwingung auf den Fortsatz 15 aufgebracht werden, durch welche der Fortsatz 15 erwärmt und plastisch verformt wird. Mittels der Sonotrode 26 kann also gleichzeitig die Erwärmung und die Verformung des Fortsatzes 15 vorgenommen werden, wie dies in den Figuren 3a und 3b schematisch dargestellt ist. In Fig. 3a ist ein Zustand gezeigt, in welchem der Fortsatz 15 noch nicht verformt ist und weiterhin in radiale Richtung zeigt. Durch das Ultraschallschweißen wird dann der Zustand gemäß Fig. 3b erreicht, in welchem der Fortsatz 15 verformt ist und die axiale Stirnkante 22 der Wandung 17 hintergreift.For heating and deformation of the extension 15, for example, a sonotrode 26 can be used, as shown schematically in the FIGS. 3a and 3b is indicated. By means of such a sonotrode 26 mechanical vibration can be applied to the extension 15, through which the extension 15 is heated and plastically deformed. Thus, by means of the sonotrode 26, the heating and the deformation of the extension 15 can be carried out at the same time, as shown in FIGS FIGS. 3a and 3b is shown schematically. In Fig. 3a a state is shown in which the extension 15 is not deformed and continues to point in the radial direction. By ultrasonic welding then the state according to Fig. 3b achieved, in which the extension 15 is deformed and the axial end edge 22 of the wall 17 engages behind.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Anordnungarrangement
22
Wäschetrommelwashing drum
33
UnwuchtausgleichsvorrichtungBalancing device
44
Wäscheraumlaundry
55
Mantelcoat
66
Stirnwandungend wall
77
Stirnwandungend wall
88th
Innenseiteinside
99
Wäschemitnehmerlaundry agitator
1010
Wellewave
1111
Drehachseaxis of rotation
1212
Öffnungopening
1313
Gehäusecasing
1414
Grundkörperbody
1515
Fortsatzextension
1616
Aufnahmeadmission
1717
Wandungwall
1818
Abschnittsection
1919
Randbereichborder area
2020
Gewölbevault
2121
BereichArea
2222
Stirnkantefront edge
2323
Vorsprunghead Start
2424
freies Endefree end
2525
Flächearea
2626
Sonotrodesonotrode

Claims (10)

  1. Method for fastening an annular unbalance compensation device (3) to a washing drum (2) of a domestic appliance, wherein the unbalance compensation device (3) is inserted into a circumferential receiving part (16) of the washing drum (2), wherein a projection (15) is configured so as to be formed on a housing (13) of the unbalance compensation device (3), which projection (15) engages behind a wall (17) of the washing drum (2), which wall (17) delimits the receiving part (16), characterised in that the projection (15) is heated and plastically deformed such that the projection (15) engages behind the wall (17) of the washing drum (2), which wall (2) delimits the receiving part (16).
  2. Method according to claim 1, characterised in that the receiving part (16) is formed by an axial recess configured on an axial front face of the washing drum (2), the unbalance compensation device (3) being axially received in said axial recess.
  3. Method according to claim 1 or 2, characterised in that the deformation involves the projection (15) being bent around an axial front edge (22) of the axially arranged wall (17).
  4. Method according to one of the preceding claims, characterised in that when the projection (15) is deformed, said projection (15) engages behind a protruding part (23) configured on a side of the wall (17) remote from the receiving part (16) and facing in the direction away from the receiving part (16), in particular outwardly in the radial direction.
  5. Method according to claim 4, characterised in that the projection (15) engages behind a fold of the wall (17) as a protruding part (23).
  6. Method according to one of the preceding claims, characterised in that at least the projection (15) of the housing (13) of the unbalance compensation device (3) is formed from a thermoplastic material.
  7. Method according to one of the preceding claims, characterised in that the heating is carried out by ultrasonic welding and/or by means of a sonotrode (26), mechanical vibrations being applied to the projection (15) thereby.
  8. Arrangement (1) for a domestic appliance comprising a washing drum (2) for receiving items to be washed and comprising an annular unbalance compensation device (3) which is inserted into a circumferential receiving part (16) of the washing drum (2) and is secured to the washing drum (2) by means of a projection (15) which is configured on a housing (13) of the unbalance compensation device (3) and which engages behind a wall (17) of the washing drum (2) defining the receiving part (16), characterised in that projection (15) engages behind and/or encompasses a protruding part (23) of the washing drum (2) configured on a side of the wall (17) remote from the receiving part (16), in particular on a radial outer periphery of the wall (17), and facing in the direction away from the receiving part (16), in particular outwardly in the radial direction.
  9. Arrangement (1) according to claim 8, characterised in that the projection (15) is bent around an axial front edge (22) of the wall (17).
  10. Domestic appliance for treating items to be washed comprising an arrangement (1) according to claim 8 or 9.
EP14781569.0A 2013-10-21 2014-10-09 Method for fastening an unbalance correction device to a washing drum, arrangement for a domestic appliance, and domestic appliance Active EP3060712B1 (en)

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DE201310221289 DE102013221289A1 (en) 2013-10-21 2013-10-21 Method for attaching an imbalance compensation device to a laundry drum, arrangement for a household appliance and household appliance
PCT/EP2014/071609 WO2015058962A1 (en) 2013-10-21 2014-10-09 Method for fastening an unbalance correction device to a washing drum, arrangement for a domestic appliance, and domestic appliance

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EP3060712B1 true EP3060712B1 (en) 2017-12-13

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EP (1) EP3060712B1 (en)
CN (1) CN105658862B (en)
DE (1) DE102013221289A1 (en)
ES (1) ES2654635T3 (en)
PL (1) PL3060712T3 (en)
RU (1) RU2645625C2 (en)
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DE102017223582A1 (en) 2017-12-21 2019-06-27 BSH Hausgeräte GmbH Drum for a laundry treatment device, laundry treatment device and method for producing the drum

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Publication number Priority date Publication date Assignee Title
GB2029864B (en) * 1978-08-18 1982-06-30 Hotpoint Ltd Balancing arrangements
JPH09313766A (en) * 1996-01-31 1997-12-09 Sharp Corp Drum type drying/washing mace, drum type drier, and operating method for drum type drying/washing machine
KR101395116B1 (en) 2006-10-26 2014-05-27 삼성전자주식회사 A drum washing machine
KR100960068B1 (en) 2006-11-10 2010-05-31 삼성전자주식회사 Ball Balancer and Washing Machine Having the same
FR2931170B1 (en) * 2008-05-16 2012-11-02 Lg Electronics Inc LAUNDRY MACHINE WITH DRUM AND COUNTERWEIGHT.
KR101548994B1 (en) 2008-08-06 2015-09-01 엘지전자 주식회사 Ball balancer and washing machne having the same
AU2009334070B9 (en) * 2008-12-30 2013-10-31 Lg Electronics Inc. Laundry machine
KR20120045887A (en) * 2010-11-01 2012-05-09 삼성전자주식회사 Washing machine

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EP3060712A1 (en) 2016-08-31
PL3060712T3 (en) 2018-06-29
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RU2645625C2 (en) 2018-02-26
WO2015058962A1 (en) 2015-04-30

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