EP1990457B1 - Front loaded laundry treatment machine with sealing sleeve for a laundry treatment machine - Google Patents

Front loaded laundry treatment machine with sealing sleeve for a laundry treatment machine Download PDF

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Publication number
EP1990457B1
EP1990457B1 EP08007174A EP08007174A EP1990457B1 EP 1990457 B1 EP1990457 B1 EP 1990457B1 EP 08007174 A EP08007174 A EP 08007174A EP 08007174 A EP08007174 A EP 08007174A EP 1990457 B1 EP1990457 B1 EP 1990457B1
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EP
European Patent Office
Prior art keywords
region
laundry treatment
support
opening
support member
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.)
Not-in-force
Application number
EP08007174A
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German (de)
French (fr)
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EP1990457A1 (en
Inventor
Matthias Hollenhorst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miele und Cie KG
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Miele und Cie KG
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Publication of EP1990457A1 publication Critical patent/EP1990457A1/en
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Publication of EP1990457B1 publication Critical patent/EP1990457B1/en
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/266—Gaskets mounted between tub and casing around the loading opening
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12—Casings; Tubs
    • D06F39/14—Doors or covers; Securing means therefor

Definitions

  • the invention relates to a front-loadable laundry treatment machine having a housing with a substantially circular housing opening which can be closed by a door and a suds container which is fixed in a swinging manner in the housing, with a substantially circular suds container opening and a sealing sleeve which connects the housing opening and the suds container opening, wherein the sealing sleeve is slipped onto a circumferential edge around the housing opening, and this everted portion cooperates with a clamping element designed as a clamping element, and in this area a circumferential door opening directed sealing lip is arranged for the door, and a gasket for a laundry treatment machine.
  • a gasket for sealing connections in household appliances which is provided for connection between the front housing wall and the tub portion.
  • the gasket is fastened with a substantially annular clamping element.
  • the clamping element is preassembled in the interior of the portion of the gasket to be fastened in order to reduce in this way the assembly work on site considerably.
  • the gasket is slipped around the housing opening at a circumferential fold, wherein the everted portion cooperates with a clamping element designed as a clamping element.
  • the invention thus raises the problem of improving the stability of the gasket, and here in particular in the binding area on the peripheral fold of the housing opening, in order to achieve in this way an increased life and a reliable seal.
  • the advantages achieved by the invention are that the binding area of the gasket is stabilized on the front wall, whereby deformations in this area are avoided and at least reduced in the adjacent area.
  • the required radial support forces for the sealing lip are achieved, so that the force exerted by the moving sealing lip hardly affect the other regions of the sealing sleeve with respect to the deformation.
  • Another positive effect is that the new solution is visually much more appealing because the clamping ring, and the gap in which it sits, is no longer visible, because it is covered by the support.
  • the turned-over region of the sealing collar is provided with a circumferential annular support element, which covers the clamping ring radially on the outside in the over-turned region and thereby supports the over-turned region.
  • the annular support element is integrally formed or integrally formed on the everted region of the gasket. It is as Abstützring trained support member formed as a circumferential ridge, which occupies a right angle to the sealing lip in its support position in cross-section and thus acts as an abutment to the sealing lip.
  • the support member may be integrally formed with a film hinge in the everted region behind the sealing lip, so that it can be folded or folded after mounting the gasket in the support layer.
  • This solution is particularly easy to implement in terms of tools, wherein the support element can be brought by subsequent folding in its supporting position after the over-bent portion is attached to the fold.
  • the sealing sleeve of the corresponding area is formed in the axial direction above the sealing lip or integrally injection molded and folded after assembly to the fold of the housing opening and the application and tensioning of the clamping ring in its supporting position.
  • the support element is connected by a kind of film hinge to the gasket.
  • the support element has been radially provided with an undersize in the injection mold, it sits firmly in the support position due to the radial expansion even without additional locking. It acts as a tensile force in the support element. An additional positive effect is that the clamping ring disappears under the support element.
  • the radially integrally formed by a film hinge support member has a small undersize in terms of its circumference with respect to the everted region, so that it is biased in the support position.
  • the support element takes from its cross-sectional extension forth a wedge shape, wherein the outwardly facing leg in extension forms the film hinge, and wherein the inwardly facing leg with the base side of the wedge forms a support system on the upper turned-over area.
  • the wedge shape is stump-shaped on the support side and, with its blunt surface, forms a support system with respect to the lower pushed-over region.
  • a locking nose can be formed on the blunt surface, which cooperates with a locking nose which is likewise integrally formed on the lower region in the folded or in the folded state of the supporting element.
  • the invention also relates to a gasket for a front loadable laundry treatment machine with a housing and a tub for connection between a housing opening for introducing or removing laundry and a tub opening, wherein the gasket is slipped onto an opening surrounding the housing opening fold, and this everted area with a designed as a clamping ring clamping element is cooperable, wherein in this area a circumferential arranged for opening sealing lip for the door is arranged.
  • the gasket is characterized by the fact that the everted portion of the gasket is provided with a circumferential annular support element, whereby the clamping ring radially on the outside in the everted region can be covered and thereby the over-pushed area is sustainable.
  • FIG. 1 shows in the cut, sketched representation of a front loadable laundry treatment machine 1 with a housing 2.
  • a door 3 which includes a sight glass 16, a substantially circular housing opening 4 is closed.
  • a tub 9 is mounted swingably, in which a driven by a motor 11 and rotatably mounted drum 10 is arranged with an at least approximately horizontal axis of rotation 10a.
  • the drum 10 in this case has a frontally arranged substantially circular drum opening 10b for introducing or removing laundry.
  • a sealing sleeve 5 is mounted on a circumferential to the housing opening 4 fold 6 Fig. 2 ), wherein in this area a circumferential sealing lip 7 ( Fig. 2 ) is arranged for the door 3.
  • the laundry treating machine 1 has a sealing sleeve 5 for connecting the housing opening 4 with a tub opening 8, wherein the tub opening 8 and the drum opening 10b of the housing opening 4 through the sealing sleeve 5 can be reached.
  • the gasket 5 is slipped onto a circumferential around the housing opening 4 fold 6, said over-turned portion 12 cooperates with a tensioning ring designed as a clamping element 13.
  • the sealing lip 7 directed towards the door 3 is arranged in this area.
  • the support member 14 is formed as a support ring in the form of a circumferential ridge 15, which occupies a right angle to the sealing lip 7 in its support position in cross section. It goes without saying that the support member 14 adjacent to the cover of the clamping ring 13 and the forces acting on the predetermined bending points 7a forces the sealing lip 7 receives, so that caused deformations in the over-protuberance 12 and in the flat area avoided or at least kept low. Further, the sealing lip 7, which lays against the sight glass 16 of the closed door 3, supported rearwardly, the movement of the sealing lip 7 is thereby limited to the sealing lip 7 itself.
  • FIGS. 4a and 5a a further embodiment of the invention is shown, in which case the support element 14 is designed such that it is integrally formed with a film hinge 17 in the everted region 12 behind the sealing lip 7, and it folds after mounting the gasket 5 on the fold 6 in the supporting position - or is foldable, as in the FIGS. 4b and 5b will be shown.
  • this formed by a film hinge 17 support ring 14 is provided with respect to its circumference with respect to the everted portion 12 with an undersize, so that it in the support position - FIG. 4b and 5b - Is biased by an expansion and developed a tensile force that pulls him into the supporting position or in the covering position.
  • the support member 14 takes from its cross-sectional extension of a wedge shape, wherein the outwardly facing leg 18 in extension forms the hinge 17, and wherein the inwardly facing leg 19 with the base side 20 of the wedge a support system on the outer edge of the everted region 12 forms.
  • the tip of the wedge shape is stump-shaped on the support side and, with its blunt surface 21, forms a support against the outer surface of the wedge
  • the wedge shape fits in a form-fitting manner into the formed groove of the recessed edge region 12.
  • a locking lug 22 is integrally formed on the blunt surface 21, which cooperates with a locking lug 23, which is likewise integrally formed on the over-turned region 12, in the folded or folded state of the support element 14. As a result of this detent the overlapping wedge undergoes an additional support in its supporting position.
  • the locking lug 22 is arranged circumferentially according to an advantageous embodiment in sections or in a further advantageous embodiment.
  • the invention relates according to the FIGS. 2 to 5 also the gasket 5 as such for a front loadable laundry treatment machine 1 with a housing 2 and a tub 9 for connection between a housing opening 4 for introducing or removing laundry and a suds container opening 8, wherein the gasket 5 slipped onto an opening 6 surrounding the housing opening 4 fold is.
  • This überstülpbare area 12 cooperates with a clamping element formed as a clamping ring 13, wherein in this area a circumferential door opening directed to the sealing lip 7 is arranged for the door 3.
  • the invention proposes that the überstülpbare area 12 of the sealing sleeve 5 is provided with a circumferential annular support member 14, whereby the clamping ring 13 radially on the outside in the everted region 12 can be covered and thereby the everted region 12 is supported.
  • the annular support member 14 is integrally formed by means of a film hinge 17 on the überstülpbaren area 12 that it generates the corresponding clamping force here after folding due to its undersize in terms of its circumference with respect to the everted region 12 here.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Chain Conveyers (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The machine (1) has a housing (2) and an oscillating lye container (9) respectively provided with a circular housing opening (4) and a circular lye container opening (8). A sleeve gasket (5) connecting the openings is placed over a bend section that rotates around the opening (4). An imposed region cooperates with a clamping unit formed as a clamping ring, and a rotating sealing lip for the door opening is arranged in the region. The region has a rotating circular supporting element formed as a supporting ring that radially covers an outer side of the ring in the region to support the region.

Description

Die Erfindung betrifft eine frontbeschickbare Wäschebehandlungsmaschine mit einem Gehäuse, mit einer durch eine Tür verschließbaren im Wesentlichen kreisförmigen Gehäuseöffnung und einem in dem Gehäuse schwingbeweglich befestigten Laugenbehälter, mit einer im Wesentlichen kreisförmigen Laugenbehälteröffnung und einer Dichtungsmanschette, die die Gehäuseöffnung und die Laugenbehälteröffnung verbindet, wobei die Dichtungsmanschette auf eine um die Gehäuseöffnung umlaufende Abkantung gestülpt ist, und dieser überstülpte Bereich mit einem als Spannring ausgebildeten Spannelement zusammenwirkt, und in diesem Bereich eine umlaufende zur Türöffnung gerichtete Dichtlippe für die Tür angeordnet ist, sowie eine Dichtungsmanschette für eine Wäschebehandlungsmaschine.The invention relates to a front-loadable laundry treatment machine having a housing with a substantially circular housing opening which can be closed by a door and a suds container which is fixed in a swinging manner in the housing, with a substantially circular suds container opening and a sealing sleeve which connects the housing opening and the suds container opening, wherein the sealing sleeve is slipped onto a circumferential edge around the housing opening, and this everted portion cooperates with a clamping element designed as a clamping element, and in this area a circumferential door opening directed sealing lip is arranged for the door, and a gasket for a laundry treatment machine.

Aus dem Stand der Technik gemäß der DE 100 31 170 A1 ist eine Dichtungsmanschette zur Abdichtung von Verbindungen in Haushaltsgeräten bekannt, die zur Anbindung zwischen der vorderen Gehäusewand und dem Laugenbehälterteil vorgesehen ist. Dabei wird die Dichtungsmanschette mit einem im Wesentlichen ringförmigen Spannelement befestigt. Das Spannelement liegt vormontiert im Inneren des zu befestigenden Abschnitts der Dichtungsmanschette, um auf diese Weise den Montageaufwand vor Ort erheblich zu reduzieren.From the prior art according to the DE 100 31 170 A1 a gasket for sealing connections in household appliances is known, which is provided for connection between the front housing wall and the tub portion. In this case, the gasket is fastened with a substantially annular clamping element. The clamping element is preassembled in the interior of the portion of the gasket to be fastened in order to reduce in this way the assembly work on site considerably.

Gemäß der DE 297 16 968 U1 wird eine Dichtungsmanschette offenbart, wie sie zwischen der Laugenbehälteröffnung und der Gehäuseöffnung eingebunden ist. Hierbei ist die Dichtungsmanschette um die Gehäuseöffnung an einer umlaufenden Abkantung gestülpt, wobei der überstülpte Bereich mit einem als Spannring ausgebildeten Spannelement zusammenwirkt.According to the DE 297 16 968 U1 discloses a gasket as incorporated between the tub opening and the housing opening. In this case, the gasket is slipped around the housing opening at a circumferential fold, wherein the everted portion cooperates with a clamping element designed as a clamping element.

Eine andere Ausführungsform der Einbindung der Dichtungsmanschette zwischen der Gehäuseöffnung und der Laugenbehälteröffnung dokumentiert die EP 1 067 231 B1 , wobei zur Einbindung des Dichtmanschettenrandes harpunenstegartige Rippen vorgesehen sind, die in jeweils an den Rändern vorgesehenen Nuten eindrückbar sind.Another embodiment of the integration of the gasket between the housing opening and the tub opening documents the EP 1 067 231 B1 , wherein harpunenstegartige ribs are provided for incorporation of the sealing sleeve edge, which are pressed into each provided at the edges of grooves.

Jedoch weisen diese aus dem Stand der Technik bekannten Lösungen dahingehend noch Nachteile auf, die darin zu sehen sind, dass der für die Einbindung der Dichtungsmanschette bestimmte Bereich noch zu optimieren ist, zumal die Dichtlippe, die sich bei geschlossener Tür an das Türschauglas anlegt, beim wieder Öffnen der Tür sehr großen Spielraum aufweist, wodurch nachteilige Verformungen der Dichtlippe auftreten können. Das bedeutet, dass bei einer schlechten radialen oder axialen Führung im Bereich der Überstülpung dies unter ungünstigen Umständen auch bei geschlossener Tür zu Undichtigkeiten führen kann. Bei den beschriebenen herkömmlichen Vorderwandanbindungen wird ein Spannelement benutzt, das in radialer Richtung den Türdichtring in einer umlaufenden Nut verspannt. Bedingt durch die Entfernung zwischen den Krafteinleitungspunkten im Bereich der Dichtlippe und der Kraftausleitung zum Spannring müssen axiale und radiale Druckkräfte durch das Elastomer aufgenommen werden. Dies führt materialbedingt zum Ausknicken und somit zu einer mangelhaften Formstabilität des überstülpten Bereichs, wodurch die Dichtlippe instabil bzw. hinsichtlich Ihrer Lage veränderbar ist. Zusätzlich wird die Formstabilität des Elastomers durch die dauerhafte Einwirkung von Lauge und Waschtemperatur verschlechtert. Dies kann bei erhöhter Lebensdauer zu Undichtigkeiten im Übergang zwischen der Dichtlippe der Dichtungsmanschette und dem Schauglas führen. Zudem wird es als nachteilig angesehen, dass bei einigen der Ausführungsformen des Standes der Technik der in der Abkantung liegende Spannring sichtbar ist.However, these solutions known from the prior art still have disadvantages which can be seen in the fact that the area intended for the integration of the gasket still has to be optimized, especially since the sealing lip which bears against the door glass when the door is closed again opening the door has very large margin, whereby adverse deformations of the sealing lip can occur. This means that in the case of poor radial or axial guidance in the region of the protuberance under unfavorable circumstances, even with the door closed can lead to leaks. In the described conventional front wall connections, a clamping element is used, which braces the door seal in a circumferential groove in the radial direction. Due to the distance between the force application points in the area of the sealing lip and the force output to the clamping ring axial and radial compressive forces must be absorbed by the elastomer. Due to the material, this leads to buckling and thus to a poor dimensional stability of the over-turned region, as a result of which the sealing lip is unstable or changeable with respect to its position. In addition, the dimensional stability of the elastomer is deteriorated by the long-term action of alkali and washing temperature. This can lead to leaks in the transition between the sealing lip of the gasket and the sight glass with increased life. In addition, it is considered disadvantageous that in some of the embodiments of the prior art, the clamping ring lying in the fold is visible.

Der Erfindung stellt sich somit das Problem, die Stabilität der Dichtungsmanschette, und hier insbesondere im Einbindungsbereich an der umlaufenden Abkantung der Gehäuseöffnung, zu verbessern, um auf diese Weise eine erhöhte Lebensdauer und eine zuverlässige Dichtigkeit zu erreichen.The invention thus raises the problem of improving the stability of the gasket, and here in particular in the binding area on the peripheral fold of the housing opening, in order to achieve in this way an increased life and a reliable seal.

Erfindungsgemäß wird dieses Problem mit einer frontbeschickbaren Wäschebehandlungsmaschine mit den Merkmalen des Anspruchs 1 und mit einer Dichtungsmanschette mit den Merkmalen des Anspruchs 9 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den abhängigen Ansprüchen 2 bis 8.According to the invention, this problem is solved with a front-loading laundry treating machine with the features of claim 1 and with a gasket with the features of claim 9. Advantageous embodiments and further developments of the invention will become apparent from the dependent claims 2 to 8.

Die mit der Erfindung erreichten Vorteile bestehen darin, dass der Einbindungsbereich der Dichtungsmanschette an der Vorderwand stabilisiert wird, wodurch Verformungen in diesem Bereich vermieden und im angrenzenden Bereich zumindest vermindert werden. Somit werden die erforderlichen radialen Abstützkräfte für die Dichtlippe erreicht, so dass sich die Krafteinleitungen durch die bewegte Dichtlippe kaum auf die anderen Bereiche der Dichtungsmanschette hinsichtlich der Verformung auswirken. Ein weiterer positiver Effekt ist, dass die neue Lösung optisch wesentlich ansprechender ist, weil der Spannring, und der Spalt in dem er sitzt, nicht mehr zu sehen ist, weil er durch die Abstützung überdeckt ist.The advantages achieved by the invention are that the binding area of the gasket is stabilized on the front wall, whereby deformations in this area are avoided and at least reduced in the adjacent area. Thus, the required radial support forces for the sealing lip are achieved, so that the force exerted by the moving sealing lip hardly affect the other regions of the sealing sleeve with respect to the deformation. Another positive effect is that the new solution is visually much more appealing because the clamping ring, and the gap in which it sits, is no longer visible, because it is covered by the support.

Hierzu ist erfindungsgemäß der überstülpte Bereich der Dichtungsmanschette mit einem umlaufenden ringförmigen Abstützelement versehen, welches den Spannring radial außenseitig im überstülpten Bereich abdeckt und dadurch den überstülpten Bereich stützt.For this purpose, according to the invention, the turned-over region of the sealing collar is provided with a circumferential annular support element, which covers the clamping ring radially on the outside in the over-turned region and thereby supports the over-turned region.

In vorteilhafter Weiterbildung ist hierbei das ringförmige Abstützelement an den überstülpten Bereich der Dichtungsmanschette angeformt bzw. einstückig ausgebildet. Dabei ist das als Abstützring ausgebildete Abstützelement als umlaufender Steg ausgebildet, der in seiner Stützstellung im Querschnitt eine rechtwinklige Lage zur Dichtlippe einnimmt und somit als Gegenlager zur Dichtlippe wirkt.In an advantageous embodiment, in this case the annular support element is integrally formed or integrally formed on the everted region of the gasket. It is as Abstützring trained support member formed as a circumferential ridge, which occupies a right angle to the sealing lip in its support position in cross-section and thus acts as an abutment to the sealing lip.

Gemäß einer besondert vorteilhaften Weiterbildung der Erfindung kann das Abstützelement mit einem Filmscharnier im überstülpten Bereich hinter der Dichtlippe angeformt sein, so dass es nach der Montage der Dichtungsmanschette in die Stützlage klapp- oder faltbar ist. Diese Lösung ist insbesondere werkzeugtechnisch einfach zu realisieren, wobei das Abstützelement durch ein nachträgliches Umklappen in seine Stützlage gebracht werden kann, nachdem der überstülpte Bereich an der Abkantung angesetzt ist. Bei der Herstellung der Dichtungsmanschette wird der entsprechende Bereich in axialer Richtung oberhalb der Dichtlippe angeformt bzw. einstückig spritzgegossen und nach der Montage an der Abkantung der Gehäuseöffnung und dem Anlegen und Spannen des Klemmringes in seine Stützlage geklappt. Um das Umklappen zu erleichtern, ist das Abstützelement durch eine Art Filmscharnier an der Dichtungsmanschette angebunden. Dadurch, dass das Abstützelement in der Spritzgussform radial mit einem Untermaß versehen wurde, sitzt es in der Stützlage durch die radiale Aufweitung auch ohne zusätzliche Arretierung fest. Es wirkt so eine Zugkraft in dem Abstützelement. Ein zusätzlich positiver Effekt ist, dass der Spannring unter dem Abstützelement verschwindet. Das radial mittels Filmscharnier angeformte Abstützelement weist hinsichtlich seines Umfangs gegenüber dem überstülpten Bereich ein geringes Untermaß auf, so dass es in der Stützstellung vorgespannt ist.According to a particularly advantageous development of the invention, the support member may be integrally formed with a film hinge in the everted region behind the sealing lip, so that it can be folded or folded after mounting the gasket in the support layer. This solution is particularly easy to implement in terms of tools, wherein the support element can be brought by subsequent folding in its supporting position after the over-bent portion is attached to the fold. In the manufacture of the sealing sleeve of the corresponding area is formed in the axial direction above the sealing lip or integrally injection molded and folded after assembly to the fold of the housing opening and the application and tensioning of the clamping ring in its supporting position. To facilitate the folding, the support element is connected by a kind of film hinge to the gasket. Because the support element has been radially provided with an undersize in the injection mold, it sits firmly in the support position due to the radial expansion even without additional locking. It acts as a tensile force in the support element. An additional positive effect is that the clamping ring disappears under the support element. The radially integrally formed by a film hinge support member has a small undersize in terms of its circumference with respect to the everted region, so that it is biased in the support position.

In Weiterbildung des Abstützelementes nimmt dieses von seiner Querschnittserstreckung her eine Keilform ein, wobei der nach außen weisende Schenkel in Verlängerung das Filmscharnier bildet, und wobei der nach innen weisende Schenkel mit der Grundseite des Keils eine Stützanlage am oberen überstülpten Bereich bildet. Die Keilform als solches ist hierbei stützseitig stumpf ausgebildet und mit ihrer stumpfen Fläche bildet sie eine Stützanlage gegenüber dem unteren überstülpten Bereich. Gemäß einer vorteilhaften Weiterbildung kann hierbei an der stumpfen Fläche eine Arretiernase angeformt sein, die mit einer an dem unteren Bereich ebenfalls angeformten Arretiernase im gefalteten bzw. im geklappten Zustand des Abstützelementes zusammenwirkt.In a further development of the support element this takes from its cross-sectional extension forth a wedge shape, wherein the outwardly facing leg in extension forms the film hinge, and wherein the inwardly facing leg with the base side of the wedge forms a support system on the upper turned-over area. As such, the wedge shape is stump-shaped on the support side and, with its blunt surface, forms a support system with respect to the lower pushed-over region. According to an advantageous development, a locking nose can be formed on the blunt surface, which cooperates with a locking nose which is likewise integrally formed on the lower region in the folded or in the folded state of the supporting element.

Die Erfindung betrifft ebenfalls eine Dichtungsmanschette für eine frontbeschickbare Wäschebehandlungsmaschine mit einem Gehäuse und einem Laugenbehälter zur Verbindung zwischen einer Gehäuseöffnung zum Einbringen oder Herausnehmen von Wäsche und einer Laugenbehälteröffnung, wobei die Dichtungsmanschette auf eine um die Gehäuseöffnung umlaufende Abkantung stülpbar ist, und dieser überstülpte Bereich mit einem als Spannring ausgebildeten Spannelement zusammenwirkbar ist, wobei in diesem Bereich eine umlaufende zur Öffnung gerichtete Dichtlippe für die Tür angeordnet ist. Hierzu zeichnet sich die Dichtungsmanschette dadurch aus, dass der überstülpte Bereich der Dichtungsmanschette mit einem umlaufenden ringförmigen Abstützelement versehen ist, wodurch der Spannring radial außenseitig im überstülpten Bereich abdeckbar und dadurch der überstülpte Bereich stützbar ist.The invention also relates to a gasket for a front loadable laundry treatment machine with a housing and a tub for connection between a housing opening for introducing or removing laundry and a tub opening, wherein the gasket is slipped onto an opening surrounding the housing opening fold, and this everted area with a designed as a clamping ring clamping element is cooperable, wherein in this area a circumferential arranged for opening sealing lip for the door is arranged. For this purpose, the gasket is characterized by the fact that the everted portion of the gasket is provided with a circumferential annular support element, whereby the clamping ring radially on the outside in the everted region can be covered and thereby the over-pushed area is sustainable.

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

Figur 1
eine geschnittene Seitenansicht einer frontbeschickbaren Wäschebehandlungsmaschine;
Figur 2
eine perspektivische Detailansicht des Einbindungsbereiches einer Dichtungsmanschette an der umlaufenden Abkantung der Gehäuseöffnung;
Figur 3
eine geschnittene Darstellung des Einbindungsbereiches gemäß der Figur 2 in Zusammenwirkung mit der Dichtlippe und einem Schauglas einer Tür;
Figur 4a, 4b
zwei Darstellungen ebenfalls in der Perspektive einer alternativen Ausführungsform mit klappbarem Abstützelement, wobei die Figur 4a die hochgestellte und die Figur 4b das Abstützelement in der Stützstellung zeigt und
Figur 5a, 5b
zwei weitere Darstellungen einer weiteren Ausführungsform gemäß der Figur 4, wobei die Figur 5a die hochgeklappte und die Figur 5b die Stützlage des Abstützelementes zeigt.
An embodiment of the invention is shown purely schematically in the drawings and will be described in more detail below. Show it:
FIG. 1
a sectional side view of a front-loading laundry treatment machine;
FIG. 2
a detailed perspective view of the binding region of a gasket on the circumferential fold of the housing opening;
FIG. 3
a sectional view of the binding region according to the FIG. 2 in cooperation with the sealing lip and a sight glass of a door;
Figure 4a, 4b
two representations also in the perspective of an alternative embodiment with hinged support element, wherein the FIG. 4a the superscript and the FIG. 4b shows the support member in the support position and
Figure 5a, 5b
two further illustrations of another embodiment according to the FIG. 4 , where the FIG. 5a the folded up and the FIG. 5b shows the supporting position of the supporting element.

Die Figur 1 zeigt in der geschnittenen, skizzierten Darstellung eine frontbeschickbare Wäschebehandlungsmaschine 1 mit einem Gehäuse 2. Dabei wird mit einer Tür 3, die ein Schauglas 16 umfasst, eine im Wesentlichen kreisförmige Gehäuseöffnung 4 verschlossen. In dem Gehäuse 2 ist ein Laugenbehälter 9 schwingbeweglich befestigt, in dem eine mittels eines Motors 11 angetriebene und drehbar gelagerte Trommel 10 mit einer wenigstens annähernd horizontalen Drehachse 10a angeordnet ist. Die Trommel 10 verfügt hierbei über eine stirnseitig angeordnete im Wesentlichen kreisförmige Trommelöffnung 10b zum Einbringen oder Herausnehmen von Wäsche. An der Gehäuseöffnung 4 ist eine Dichtungsmanschette 5 auf eine um die Gehäuseöffnung 4 umlaufende Abkantung 6 (Fig. 2) gestülpt, wobei in diesem Bereich eine umlaufende Dichtlippe 7 (Fig. 2) für die Tür 3 angeordnet ist. Wie aus der Figur 1 in der geschnittenen Ansicht zu erkennen ist, verfügt die Wäschebehandlungsmaschine 1 über eine Dichtungsmanschette 5 zur Verbindung der Gehäuseöffnung 4 mit einer Laugenbehälteröffnung 8, wobei die Laugenbehälteröffnung 8 und die Trommelöffnung 10b von der Gehäuseöffnung 4 durch die Dichtungsmanschette 5 hindurch erreichbar ist.The FIG. 1 shows in the cut, sketched representation of a front loadable laundry treatment machine 1 with a housing 2. In this case, with a door 3, which includes a sight glass 16, a substantially circular housing opening 4 is closed. In the housing 2, a tub 9 is mounted swingably, in which a driven by a motor 11 and rotatably mounted drum 10 is arranged with an at least approximately horizontal axis of rotation 10a. The drum 10 in this case has a frontally arranged substantially circular drum opening 10b for introducing or removing laundry. At the housing opening 4 is a sealing sleeve 5 on a circumferential to the housing opening 4 fold 6 Fig. 2 ), wherein in this area a circumferential sealing lip 7 ( Fig. 2 ) is arranged for the door 3. Like from the FIG. 1 can be seen in the sectional view, the laundry treating machine 1 has a sealing sleeve 5 for connecting the housing opening 4 with a tub opening 8, wherein the tub opening 8 and the drum opening 10b of the housing opening 4 through the sealing sleeve 5 can be reached.

Wie insbesondere aus der Figur 2 zu erkennen ist, ist die Dichtungsmanschette 5 auf eine um die Gehäuseöffnung 4 umlaufende Abkantung 6 gestülpt, wobei dieser überstülpte Bereich 12 mit einem als Spannring 13 ausgebildeten Spannelement zusammenwirkt. Zudem ist in diesem Bereich die zur Tür 3 gerichtete Dichtlippe 7 angeordnet. So ist aus der Zusammenschau der Figuren 2 und 3 deutlich zu erkennen, dass an dem überstülpten Bereich 12 der Dichtungsmanschette 5 ein zumindest nahezu umlaufendes ringförmiges Abstützelement 14 vorgesehen ist, welches den Spannring 13 radial außenseitig im überstülpten Bereich 12 abdeckt und dadurch den überstülpten Bereich 12 zusätzlich stützt. Das ringförmige Abstützelement 14 ist dabei an den überstülpten Bereich 12 der Dichtungsmanschette 5 angeformt oder einstückig ausgebildet.As in particular from the FIG. 2 can be seen, the gasket 5 is slipped onto a circumferential around the housing opening 4 fold 6, said over-turned portion 12 cooperates with a tensioning ring designed as a clamping element 13. In addition, the sealing lip 7 directed towards the door 3 is arranged in this area. So is from the synopsis of Figures 2 and 3 clearly recognizable that an at least almost encircling annular support member 14 is provided on the everted portion 12 of the gasket 5, which covers the clamping ring 13 radially outside in the everted region 12 and thereby additionally supports the everted region 12. The annular support member 14 is integrally formed on the everted portion 12 of the gasket 5 or integrally formed.

Wie aus der Figur 2 und 3 zu erkennen ist, ist dabei das Abstützelement 14 als Abstützring in Form eines umlaufenden Steges 15 ausgebildet, der in seiner Stützstellung im Querschnitt eine rechtwinklige Lage zur Dichtlippe 7 einnimmt. Es versteht sich von selbst, dass das Abstützelement 14 neben der Abdeckung des Spannringes 13 auch die über die Sollknickstellen 7a einwirkenden Kräfte der Dichtlippe 7 aufnimmt, so dass dadurch verursachte Verformungen im Überstülpungsbereich 12 und im ebenen Bereich vermieden bzw. zumindest gering gehalten werden. Ferner wird die Dichtlippe 7, die sich an das Schauglas 16 der geschlossenen Tür 3 legt, rückwärtig gestützt, die Bewegung der Dichtlippe 7 wird dadurch auf die Dichtlippe 7 selbst begrenzt.Like from the FIG. 2 and 3 can be seen, while the support member 14 is formed as a support ring in the form of a circumferential ridge 15, which occupies a right angle to the sealing lip 7 in its support position in cross section. It goes without saying that the support member 14 adjacent to the cover of the clamping ring 13 and the forces acting on the predetermined bending points 7a forces the sealing lip 7 receives, so that caused deformations in the over-protuberance 12 and in the flat area avoided or at least kept low. Further, the sealing lip 7, which lays against the sight glass 16 of the closed door 3, supported rearwardly, the movement of the sealing lip 7 is thereby limited to the sealing lip 7 itself.

Gemäß der Figuren 4a und 5a ist eine weitere Ausführungsform der Erfindung dargestellt, wobei hier das Abstützelement 14 derart ausgestaltet ist, dass es mit einem Filmscharnier 17 im überstülpten Bereich 12 hinter der Dichtlippe 7 angeformt ist, und es nach der Montage der Dichtungsmanschette 5 an der Abkantung 6 in die Stützlage klapp- oder faltbar ist, wie dies in den Figuren 4b und 5b gezeigt wird. Um eine Selbstklemmung des Abstützelementes bzw. des Abstützringes 14 zu erzielen, ist dieser mittels eines Filmscharniers 17 angeformte Abstützring 14 hinsichtlich seines Umfangs gegenüber dem überstülpten Bereich 12 mit einem Untermaß versehen, so dass er in der Stützstellung - Figur 4b und 5b - durch eine Dehnung vorgespannt wird und eine Zugkraft entwickelt, die ihn in die Stützlage bzw. in die abdeckende Lage zieht.According to the FIGS. 4a and 5a a further embodiment of the invention is shown, in which case the support element 14 is designed such that it is integrally formed with a film hinge 17 in the everted region 12 behind the sealing lip 7, and it folds after mounting the gasket 5 on the fold 6 in the supporting position - or is foldable, as in the FIGS. 4b and 5b will be shown. In order to achieve a self-clamping of the support element or of the support ring 14, this formed by a film hinge 17 support ring 14 is provided with respect to its circumference with respect to the everted portion 12 with an undersize, so that it in the support position - FIG. 4b and 5b - Is biased by an expansion and developed a tensile force that pulls him into the supporting position or in the covering position.

Wie aus den Figuren 4 und 5 weiter zu erkennen ist, nimmt das Abstützelement 14 von seiner Querschnittserstreckung eine Keilform ein, wobei der nach außen weisende Schenkel 18 in Verlängerung das Filmscharnier 17 bildet, und wobei der nach innen weisende Schenkel 19 mit der Grundseite 20 des Keils eine Stützanlage am äußeren Rand des überstülpten Bereich 12 bildet. Die Spitze der Keilform als solches ist stützseitig hierbei stumpf ausgebildet und bildet mit ihrer stumpfen Fläche 21 eine Stützanlage gegenüber der äußeren Fläche des überstülpten Bereichs 12. Somit fügt sich insbesondere die Keilform formschlüssig in die gebildete Hohlkehle des überstülpten Randbereiches 12 ein.Like from the FIGS. 4 and 5 can be seen, the support member 14 takes from its cross-sectional extension of a wedge shape, wherein the outwardly facing leg 18 in extension forms the hinge 17, and wherein the inwardly facing leg 19 with the base side 20 of the wedge a support system on the outer edge of the everted region 12 forms. As such, the tip of the wedge shape is stump-shaped on the support side and, with its blunt surface 21, forms a support against the outer surface of the wedge In particular, the wedge shape fits in a form-fitting manner into the formed groove of the recessed edge region 12.

Gemäß einer vorteilhaften Weiterbildung, insbesondere dargestellt in der Figur 5a, 5b, ist an der stumpfen Fläche 21 eine Arretiernase 22 angeformt, die mit einer an dem überstülpten Bereich 12 ebenfalls angeformten Arretiernase 23 im gefalteten bzw. geklappten Zustand des Abstützelementes 14 zusammenwirkt. Infolge dieser Rastung erfährt der überdeckende Keil eine zusätzliche Halterung in seiner Stützlage. Die Arretiernase 22 ist gemäß einer vorteilhaften Ausführung abschnittsweise oder in einer weiteren, vorteilhaften Ausführung umlaufend angeordnet.According to an advantageous development, in particular shown in the Figure 5a, 5b , a locking lug 22 is integrally formed on the blunt surface 21, which cooperates with a locking lug 23, which is likewise integrally formed on the over-turned region 12, in the folded or folded state of the support element 14. As a result of this detent the overlapping wedge undergoes an additional support in its supporting position. The locking lug 22 is arranged circumferentially according to an advantageous embodiment in sections or in a further advantageous embodiment.

Die Erfindung betrifft gemäß den Figuren 2 bis 5 ebenfalls die Dichtungsmanschette 5 als solches für eine frontbeschickbare Wäschebehandlungsmaschine 1 mit einem Gehäuse 2 und einem Laugenbehälter 9 zur Verbindung zwischen einer Gehäuseöffnung 4 zum Einbringen oder Herausnehmen von Wäsche und einer Laugenbehälteröffnung 8, wobei die Dichtungsmanschette 5 auf eine um die Gehäuseöffnung 4 umlaufende Abkantung 6 stülpbar ist. Dieser überstülpbare Bereich 12 wirkt mit einem als Spannring 13 ausgebildeten Spannelement zusammen, wobei in diesem Bereich eine umlaufende zur Türöffnung gerichtete Dichtlippe 7 für die Tür 3 angeordnet ist. Hierbei wird erfindungsgemäß vorgeschlagen, dass der überstülpbare Bereich 12 der Dichtungsmanschette 5 mit einem umlaufenden ringförmigen Abstützelement 14 versehen ist, wodurch der Spannring 13 radial außenseitig im überstülpten Bereich 12 abdeckbar und dadurch der überstülpte Bereich 12 gestützt wird. Hierbei versteht es sich von selbst, dass auch die Ausführungsform gemäß der Figuren 4 und 5 erfasst wird, wobei hier das ringförmige Abstützelement 14 mittels eines Filmscharniers 17 derart an dem überstülpbaren Bereich 12 angeformt ist, dass es nach dem Umklappen infolge seines Untermaßes hinsichtlich seines Umfangs gegenüber dem überstülpten Bereich 12 hier die entsprechende Klemmkraft erzeugt.The invention relates according to the FIGS. 2 to 5 also the gasket 5 as such for a front loadable laundry treatment machine 1 with a housing 2 and a tub 9 for connection between a housing opening 4 for introducing or removing laundry and a suds container opening 8, wherein the gasket 5 slipped onto an opening 6 surrounding the housing opening 4 fold is. This überstülpbare area 12 cooperates with a clamping element formed as a clamping ring 13, wherein in this area a circumferential door opening directed to the sealing lip 7 is arranged for the door 3. In this case, the invention proposes that the überstülpbare area 12 of the sealing sleeve 5 is provided with a circumferential annular support member 14, whereby the clamping ring 13 radially on the outside in the everted region 12 can be covered and thereby the everted region 12 is supported. It goes without saying that the embodiment according to the FIGS. 4 and 5 is detected, in which case the annular support member 14 is integrally formed by means of a film hinge 17 on the überstülpbaren area 12 that it generates the corresponding clamping force here after folding due to its undersize in terms of its circumference with respect to the everted region 12 here.

Claims (9)

  1. Front-loading laundry treatment appliance (1) comprising a housing (2), comprising a substantially circular housing opening (4) which can be closed by a door (3) and a suds container (9) which is fixed in the housing (2) so as to be able to vibrate therein and comprises a substantially circular suds container opening (8) and a sealing collar (5) which connects the housing opening (4) and the suds container opening (8), the sealing collar (5) covering an angled part (6) encircling the housing opening (4), this covered region (12) cooperating with a clamping member formed as a clamping ring (13), and a circumferential sealing lip (7), directed towards the door opening, for the door (3) being arranged in this region,
    characterised in that
    the covered region (12) of the sealing collar (5) is provided with a circumferential annular support member (14) which encloses the clamping ring (13) on the radially outer side in the covered region (12) and is inserted with a positive fit into a hollow channel in the covered edge region (12) to support the covered region (12).
  2. Front-loading laundry treatment appliance according to claim 1,
    characterised in that
    the annular support member (14) is formed integrally on or in one piece with the covered region (12) of the sealing collar (5).
  3. Front-loading laundry treatment appliance according to claim 2,
    characterised in that
    the support member (14) is formed as a circumferential web (15) which, in the support position thereof, occupies a right-angled position relative to the sealing lip (7) when viewed in cross-section.
  4. Front-loading laundry treatment appliance according to claim 3,
    characterised in that
    the support member (14) is integrally formed with a living hinge (17) in the covered region (12) behind the sealing lip (7), and can be doubled over or folded into the support position after the sealing collar (5) has been installed.
  5. Front-loading laundry treatment appliance according to claim 4,
    characterised in that
    the circumference of the support member (14) formed radially in an integral manner by means of the living hinge (17) is slightly undersized so that a tensile force caused by expansion acts within the support member (14).
  6. Front-loading laundry treatment appliance according to claim 5,
    characterised in that,
    owing to the cross-sectional extension thereof, the support member (14) assumes the form of a wedge, the extension of the outwardly-facing portion (18) forming the living hinge (17), and the inwardly-facing portion (19), together with the base (20) of the wedge, forming a support means on the upper covered region (12).
  7. Front-loading laundry treatment appliance according to claim 6,
    characterised in that,
    on the support side, the apex of the wedge is truncated and forms, via the truncated face (21) thereof, a support means for support on the lower covered region (12).
  8. Front-loading laundry treatment appliance according to claim 7,
    characterised in that
    a locking projection (22) is integrally formed on the truncated face (21) and cooperates with a locking projection (23) also integrally formed on the lower region when the support member (14) is folded or doubled over.
  9. Sealing collar (5) for a front-loading laundry treatment appliance (1), comprising a housing (2) and a suds container (9), for connecting a housing opening (4) for loading or removing laundry and a suds container opening (8), the sealing collar (5) being able to cover an angled part (6) encircling the housing opening (4), this coverable region (12) being able to cooperate with a clamping member formed as a clamping ring (13), and a circumferential sealing lip (7), directed towards the door opening, for the door (3) being arranged in this region,
    characterised in that
    the coverable region (12) of the sealing collar (5) is provided with a circumferential annular support member (14), by means of which the clamping ring (13) can be enclosed on the radially outer side in the covered region (12), it being possible to insert the support element (14) with a positive fit into a hollow channel in the covered edge region (12) to support the covered region (12).
EP08007174A 2007-05-08 2008-04-11 Front loaded laundry treatment machine with sealing sleeve for a laundry treatment machine Not-in-force EP1990457B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007022040A DE102007022040B3 (en) 2007-05-08 2007-05-08 Front loading washing machine, has gasket connecting housing and container openings and placed over bend section, and imposed region with supporting element that radially covers outer side of clamping ring in region to support region

Publications (2)

Publication Number Publication Date
EP1990457A1 EP1990457A1 (en) 2008-11-12
EP1990457B1 true EP1990457B1 (en) 2010-06-16

Family

ID=39311505

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08007174A Not-in-force EP1990457B1 (en) 2007-05-08 2008-04-11 Front loaded laundry treatment machine with sealing sleeve for a laundry treatment machine

Country Status (4)

Country Link
EP (1) EP1990457B1 (en)
AT (1) ATE471402T1 (en)
DE (2) DE102007022040B3 (en)
ES (1) ES2346163T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2941496B1 (en) 2012-12-31 2016-11-09 Arçelik Anonim Sirketi A washing machine having a clamping ring

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1289393B1 (en) * 1996-09-24 1998-10-02 Electrolux Zanussi Elettrodome WASHING MACHINE OR SIMILAR WITH HORIZONTAL AXIS ROTATING BASKET
JP3629868B2 (en) * 1997-01-30 2005-03-16 松下電器産業株式会社 Drum washing machine
US6256823B1 (en) * 1999-06-29 2001-07-10 The Chardon Rubber Company Bellows for front loading washing machines
DE10031170A1 (en) * 2000-06-27 2002-01-10 Bsh Bosch Siemens Hausgeraete gasket

Also Published As

Publication number Publication date
ES2346163T3 (en) 2010-10-11
DE502008000787D1 (en) 2010-07-29
DE102007022040B3 (en) 2008-05-21
EP1990457A1 (en) 2008-11-12
ATE471402T1 (en) 2010-07-15

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