EP1992729A1 - Front loaded laundry treatment machine and stabilising element for a gasket of a laundry treatment machine - Google Patents

Front loaded laundry treatment machine and stabilising element for a gasket of a laundry treatment machine Download PDF

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Publication number
EP1992729A1
EP1992729A1 EP08008348A EP08008348A EP1992729A1 EP 1992729 A1 EP1992729 A1 EP 1992729A1 EP 08008348 A EP08008348 A EP 08008348A EP 08008348 A EP08008348 A EP 08008348A EP 1992729 A1 EP1992729 A1 EP 1992729A1
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EP
European Patent Office
Prior art keywords
stabilizing element
region
machine according
opening
door
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.)
Granted
Application number
EP08008348A
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German (de)
French (fr)
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EP1992729B1 (en
Inventor
Benedikt Fechtel
Matthias Hollenhorst
Holger Hoppe
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Miele und Cie KG
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Miele und Cie KG
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Publication of EP1992729A1 publication Critical patent/EP1992729A1/en
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Publication of EP1992729B1 publication Critical patent/EP1992729B1/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

Definitions

  • the invention relates to a front-loadable laundry treatment machine having a housing, having a substantially circular housing opening, which can be closed by a door, and a tub, which is attached in a swinging manner in the housing and has a substantially circular opening and a sealing cuff, which is arranged for connection between the housing opening and the tub opening.
  • 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 wherein in this area a circumferential door opening directed to the sealing lip is arranged for the door.
  • a gasket for sealing connections in household appliances is known, which is arranged for connection between the front housing wall and the tub portion.
  • the gasket is provided at the housing opening with an annular clamping element.
  • the clamping element is pre-assembled in this embodiment of the prior art inside the portion of the sleeve to be fastened in order to reduce the installation effort in this way on site considerably.
  • a clamping element which braces the door seal in a circumferential groove or fold 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 becomes unstable or changeable with regard 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 door seal and the door sight glass with increased life.
  • the invention thus raises the problem of improving the dimensional stability of the gasket, and here in particular in the binding region on the circumferential fold of the housing opening, in terms of stability, in order to achieve in this way an increased life and reliable tightness.
  • the advantages achieved by the invention are that as a result of an additional, separate and inexpensive to produce stabilization element of the connection area of the sleeve is significantly stabilized at the fold of the housing opening, because a positive connection of the stabilizing element gives the sealing ring adapted supporting position, which also has an additional Stabilization of the sealing lip provides.
  • the stabilizing element cooperates with the wire ring, which can be easily mounted on the stabilizing element as an assembly for fixing the door ring on the housing front wall.
  • the stabilizing element is designed so that it can be extruded as a plastic profile and deformed due to a one-sided accumulation of material when cooling according to the cylindrical shape of the door seal, so that the extruded profile after cooling occupies a ring shape that can be very easily connected to the clamping ring.
  • an at least approximately circulating stabilizing element is advantageously stabilizingly attached to the everted region of the sealing collar, which stabilizer accommodates the clamping ring and supports the over-pushed region.
  • the stabilizing element is formed in cross-section substantially V-shaped, so that it with its legs in the likewise V-shaped everted portion of the gasket, which is the Inner side of the fold of the housing extends, at least almost completely rests. This results in an at least almost positive fit especially in the area of the edge of the sleeve at the fold.
  • the free ends of the legs of the stabilizing element are each angled outwardly.
  • the angled region affects about 25% to 50% of the respective leg length of the stabilizing element in cross section.
  • the leg ends correspond approximately to the shape of the collar edge, so that continues in this area, the positive connection to the collar edge.
  • the clamping ring between the legs on the inside in the region of the tip of the V-shaped cross section of the stabilizing element is arranged.
  • each locking lugs are integrally formed on the inside of the legs.
  • the stabilizing element consists of an extruded plastic extruded profile, which is formed substantially annular, wherein the tip of the V-shaped cross-section is radially inward.
  • the clamping ring thus pushes the wedge shape in the predetermining fold.
  • the stabilizing element has a substantially symmetrical cross-section over the circumference.
  • it can be placed in any position, based on the circumference, on the over-protuberance of the sleeve and provided with the clamping element.
  • the invention also relates to the stabilizing element as such for a gasket of a laundry treating machine as described.
  • FIG. 1 shows in the cut, sketched representation of a front loadable laundry treatment machine 1 with a housing 2. It is with a door 3 a substantially circular housing opening 4 closed. At the housing opening 4 is a sealing sleeve 5 via a peripheral fold 6, shown in the detail view of FIG. 2 slipped, wherein in this area a circumferential sealing lip 7 for the door 3 and for the sight glass 3a of the door 3 is arranged. As seen from the cut representation of FIG. 1 becomes clear, the gasket 5 bridges the area between the housing opening 4 and a tub opening 8, wherein in the tub 9 itself a rotatably mounted and drivable by a motor 11 drum 10 is arranged.
  • 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 door opening directed sealing lip 7 is arranged for the door 3 in this area.
  • an at least approximately circumferential stabilizing element 14 is arranged on the side facing away from the fold 6. In this case, the stabilizing element 14 settles in a stabilizing manner on the outside of the slipped-over region 12.
  • the stabilizing element 14 receives the clamping ring 13 and supports at least almost the entire everted region 12, which is pressed by the clamping ring 13 in the V-shaped circumferential fold 6.
  • the stabilizing element 14 is formed in cross-section substantially V-shaped.
  • the stabilizing element 14 rests with its legs 15 and 16 on the region 12 of the sealing collar 5, which is likewise pulled over in a V-shaped manner, such that it extends to the inside of the fold 6 of the housing 2 and covers it at least almost completely.
  • Fig. 4 is clarified that the stabilizing element 14 receives the force acting on the predetermined bending points 7a forces of the sealing lip 7, so that caused deformations in the over-protuberance region 12 and in the planar region avoided or at least minimized.
  • the free ends or the end portions of the legs 15 and 16 are each angled outwardly. So it is clear that, for example, when the sealing lip 7 is under load, as in the FIG. 4 is shown in the closed position of the door 3, the deformation of the edge region of the gasket 5 is reduced by the projecting beyond the fold 6 area is supported by the free leg 15 with its angled portion. The angled portion of the free leg 15 in this case extends beyond the fold 6, so that the everted portion 12 is detected above the fold 6 with.
  • the clamping ring 13 is arranged between the legs 15 and 16 on the inside in the region of the tip 17 of the V-shaped cross section of the stabilizing element 14.
  • 15 and 16 each locking lugs 18 and 19 are integrally formed on the inside of the legs, which are executed segmentally or completely circumferentially.
  • the stabilizing element 14 consists of an extruded plastic extruded profile, which is formed substantially annular, wherein the material accumulation in the tip 17 of the V-shaped cross-section, this aligns radially inward.
  • the self-alignment occurs during the manufacturing process and is caused by the increased shrinkage at the sites of accumulation of material during cooling. This effect is used here for the shaping of the annular stabilizing element 14.
  • the invention also relates to the stabilizing element 14 as such, which is intended for a sealing collar 5 for incorporation on a housing opening 4 of a laundry treatment machine 1, as has been described.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

The front-loading washing machine has an annular seal (5) around the front door opening. This is held in place by a locking ring (13) which fits into an annular mounting (14) with a V-shaped cross-section which supports the section (12) of the seal which is folded back on itself.

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 Öffnung und einer Dichtungsmanschette, die zur Verbindung zwischen der Gehäuseöffnung und der Laugenbehälteröffnung angeordnet ist, wobei die Dichtungsmanschette auf eine um die Gehäuseöffnung umlaufende Abkantung gestülpt ist und dieser überstülpte Bereich mit einem als Spannring ausgebildeten Spannelement zusammenwirkt, und wobei in diesem Bereich eine umlaufende zur Türöffnung gerichtete Dichtlippe für die Tür angeordnet ist.The invention relates to a front-loadable laundry treatment machine having a housing, having a substantially circular housing opening, which can be closed by a door, and a tub, which is attached in a swinging manner in the housing and has a substantially circular opening and a sealing cuff, which is arranged for connection between the housing opening and the tub 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 wherein in this area a circumferential door opening directed to the sealing lip is arranged for the door.

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 angeordnet ist. Dabei ist die Dichtungsmanschette an der Gehäuseöffnung mit einem ringförmigen Spannelement versehen. Das Spannelement liegt bei dieser Ausführung des Standes der Technik vormontiert im Inneren des zu befestigenden Abschnitts der Manschette, 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 arranged for connection between the front housing wall and the tub portion. The gasket is provided at the housing opening with an annular clamping element. The clamping element is pre-assembled in this embodiment of the prior art inside the portion of the sleeve to be fastened in order to reduce the installation effort in this way 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 über eine umlaufende 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 over 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 noch Nachteile auf, die darin zu sehen sind, dass die Einbindung der Dichtungsmanschette 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, und dies zu nachteiligen Verformungen der Dichtlippe führen kann. Das bedeutet, dass bei einer schlechten radialen Führung bzw. Einbindung im Bereich der Überstülpung dies unter ungünstigen Umständen auch bei geschlossener Tür zu Undichtigkeiten führen kann.However, these known from the prior art solutions still have disadvantages that can be seen in the fact that the integration of the gasket still has to be optimized, especially since the sealing lip which rests against the door glass when the door is closed when opening the door very much has large clearance, and this can lead to adverse deformations of the sealing lip. This means that with poor radial guidance or involvement in the area of the protuberance this can lead to leaks under unfavorable circumstances even with the door closed.

Bei den beschriebenen herkömmlichen Vorderwandanbindungen wird ein Spannelement benutzt, das in radialer Richtung den Türdichtring in einer umlaufenden Nut bzw. Abkantung 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 wird. 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 des Türdichtringes und dem Türschauglas führen.In the described conventional front wall connections a clamping element is used, which braces the door seal in a circumferential groove or fold 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 becomes unstable or changeable with regard 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 door seal and the door sight glass with increased life.

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

Erfindungsgemäß wird dieses Problem mit einer Waschmaschine mit den Merkmalen des Anspruchs 1 und mit einem Stabilisierungselement mit den Merkmalen des Anspruchs 8 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den abhängigen Ansprüchen 2 bis 7.This problem is solved according to the invention with a washing machine having the features of claim 1 and with a stabilizing element having the features of claim 8. Advantageous embodiments and further developments of the invention will become apparent from the dependent claims 2 to 7.

Die mit der Erfindung erreichten Vorteile bestehen darin, dass infolge eines zusätzlichen, separaten und kostengünstig herzustellenden Stabilisierungselementes der Anbindungsbereich der Manschette an der Abkantung der Gehäuseöffnung wesentlich stabilisiert wird, weil ein Formschluss des Stabilisierungselementes eine dem Dichtring angepasste Stützlage verleiht, die darüber hinaus noch eine zusätzliche Stabilisierung der Dichtlippe bereitstellt.The advantages achieved by the invention are that as a result of an additional, separate and inexpensive to produce stabilization element of the connection area of the sleeve is significantly stabilized at the fold of the housing opening, because a positive connection of the stabilizing element gives the sealing ring adapted supporting position, which also has an additional Stabilization of the sealing lip provides.

Dabei wirkt das Stabilisierungselement mit dem Drahtring zusammen, der vormontiert an dem Stabilisierungselement als Baugruppe zur Fixierung des Türringes an der Gehäusevorderwand leicht angebracht werden kann. Das Stabilisierungselement ist dabei so gestaltet, dass es als Kunststoffprofil extrudiert werden kann und sich aufgrund einer einseitigen Materialanhäufung beim Erkalten entsprechend der Zylinderform des Türdichtringes verformt, so dass das Strangprofil nach dem Erkalten eine Ringform einnimmt, die sich sehr leicht mit dem Spannring verbinden lässt.In this case, the stabilizing element cooperates with the wire ring, which can be easily mounted on the stabilizing element as an assembly for fixing the door ring on the housing front wall. The stabilizing element is designed so that it can be extruded as a plastic profile and deformed due to a one-sided accumulation of material when cooling according to the cylindrical shape of the door seal, so that the extruded profile after cooling occupies a ring shape that can be very easily connected to the clamping ring.

Erfindungsgemäß liegt hierbei in vorteilhafter Weise an dem überstülpten Bereich der Dichtungsmanschette ein zumindest nahezu umlaufendes Stabilisierungselement stabilisierend an, welches den Spannring aufnimmt und den überstülpten Bereich stützt. Dabei ist das Stabilisierungselement im Querschnitt im Wesentlichen V-förmig ausgebildet, so dass es mit seinen Schenkeln im ebenfalls V-förmigen überstülpten Bereich der Dichtungsmanschette, der sich zur Innenseite der Abkantung des Gehäuses erstreckt, zumindest nahezu vollständig anliegt. Somit ergibt sich eine zumindest nahezu formschlüssige Anlage insbesondere im Bereich des Manschettenrandes an der Abkantung.According to the invention, an at least approximately circulating stabilizing element is advantageously stabilizingly attached to the everted region of the sealing collar, which stabilizer accommodates the clamping ring and supports the over-pushed region. In this case, the stabilizing element is formed in cross-section substantially V-shaped, so that it with its legs in the likewise V-shaped everted portion of the gasket, which is the Inner side of the fold of the housing extends, at least almost completely rests. This results in an at least almost positive fit especially in the area of the edge of the sleeve at the fold.

In Weiterbildung der Erfindung sind die freien Enden der Schenkel des Stabilisierungselementes jeweils nach außen hin abgewinkelt ausgebildet. Der abgewinkelte Bereich betrifft etwa 25 % bis 50 % der jeweiligen Schenkellänge des Stabilisierungselementes im Querschnitt. Somit entsprechen auch die Schenkelenden etwa der Formgebung des Manschettenrandes, so dass sich in diesem Bereich auch der Formschluss zum Manschettenrand fortsetzt.In a further development of the invention, the free ends of the legs of the stabilizing element are each angled outwardly. The angled region affects about 25% to 50% of the respective leg length of the stabilizing element in cross section. Thus, the leg ends correspond approximately to the shape of the collar edge, so that continues in this area, the positive connection to the collar edge.

In zweckmäßiger Weise ist der Spannring zwischen den Schenkeln an der Innenseite im Bereich der Spitze des V-förmigen Querschnitts des Stabilisierungselementes angeordnet. Zur Aufnahme des Spannrings für eine Vormontage sind an der Innenseite der Schenkel jeweils Rastnasen angeformt.Conveniently, the clamping ring between the legs on the inside in the region of the tip of the V-shaped cross section of the stabilizing element is arranged. To accommodate the clamping ring for pre-assembly each locking lugs are integrally formed on the inside of the legs.

Gemäß einer besonders vorteilhaften Ausgestaltung der Erfindung besteht das Stabilisierungselement aus einem extrudierten Kunststoff-Strangprofil, welches im Wesentlichen ringförmig ausgebildet ist, wobei die Spitze des V-förmigen Querschnitts radial innen liegt. Der Spannring drückt somit die Keilform in die vorgebende Abkantung.According to a particularly advantageous embodiment of the invention, the stabilizing element consists of an extruded plastic extruded profile, which is formed substantially annular, wherein the tip of the V-shaped cross-section is radially inward. The clamping ring thus pushes the wedge shape in the predetermining fold.

In einer weiteren, vorteilhaften Ausführung hat das Stabilisierungselement über den Umfang gesehen einen im Wesentlichen symmetrischen Querschnitt. Damit kann es in beliebiger Lage, bezogen auf den Umfang, auf den Überstülpungsbereich der Manschette aufgesetzt und mit dem Spannelement versehen werden.In a further advantageous embodiment, the stabilizing element has a substantially symmetrical cross-section over the circumference. Thus, it can be placed in any position, based on the circumference, on the over-protuberance of the sleeve and provided with the clamping element.

Die Erfindung betrifft ebenfalls auch das Stabilisierungselement als solches für eine Dichtungsmanschette einer Wäschebehandlungsmaschine, so wie sie beschrieben wurde.The invention also relates to the stabilizing element as such for a gasket of a laundry treating machine as described.

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 und
Figur 4
eine weitere geschnittene Darstellung des Einbindungsbereiches in Wirkverbindung mit einer geschlossenen Tür.
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 and
FIG. 4
another sectional representation of the binding area in operative connection with a closed door.

Die Figur 1 zeigt in der geschnittenen, skizzierten Darstellung eine frontbeschickbare Wäschebehandlungsmaschine 1 mit einem Gehäuse 2. Dabei wird mit einer Tür 3 eine im Wesentlichen kreisförmige Gehäuseöffnung 4 verschlossen. An der Gehäuseöffnung 4 ist eine Dichtungsmanschette 5 über eine umlaufende Abkantung 6, dargestellt in der Detailansicht der Figur 2, gestülpt, wobei in diesem Bereich eine umlaufende Dichtlippe 7 für die Tür 3 bzw. für das Schauglas 3a der Tür 3 angeordnet ist. Wie aus der geschnittenen Darstellung der Figur 1 deutlich wird, überbrückt die Dichtungsmanschette 5 den Bereich zwischen der Gehäuseöffnung 4 und einer Laugenbehälteröffnung 8, wobei in dem Laugenbehälter 9 selbst eine drehbar gelagerte und mittels eines Motors 11 antreibbare Trommel 10 angeordnet ist.The FIG. 1 shows in the cut, sketched representation of a front loadable laundry treatment machine 1 with a housing 2. It is with a door 3 a substantially circular housing opening 4 closed. At the housing opening 4 is a sealing sleeve 5 via a peripheral fold 6, shown in the detail view of FIG. 2 slipped, wherein in this area a circumferential sealing lip 7 for the door 3 and for the sight glass 3a of the door 3 is arranged. As seen from the cut representation of FIG. 1 becomes clear, the gasket 5 bridges the area between the housing opening 4 and a tub opening 8, wherein in the tub 9 itself a rotatably mounted and drivable by a motor 11 drum 10 is arranged.

Wie insbesondere in 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 Türöffnung gerichtete Dichtlippe 7 für die Tür 3 angeordnet. An dem überstülpten Bereich 12 der Dichtungsmanschette 5 ist auf der von der Abkantung 6 abgewandten Seite ein zumindest nahezu umlaufendes Stabilisierungselement 14 angeordnet. Das Stabilisierungselement 14 legt sich dabei stabilisierend an der Außenseite des überstülpen Bereichs 12 an. Das Stabilisierungselement 14 nimmt den Spannring 13 auf und stützt zumindest nahezu den gesamten überstülpten Bereich 12, der durch den Spannring 13 in die V-förmige umlaufende Abkantung 6 gedrückt wird.As in particular in 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 door opening directed sealing lip 7 is arranged for the door 3 in this area. At the everted region 12 of the sealing sleeve 5, an at least approximately circumferential stabilizing element 14 is arranged on the side facing away from the fold 6. In this case, the stabilizing element 14 settles in a stabilizing manner on the outside of the slipped-over region 12. The stabilizing element 14 receives the clamping ring 13 and supports at least almost the entire everted region 12, which is pressed by the clamping ring 13 in the V-shaped circumferential fold 6.

Wie aus den Figuren 3 und 4 zu erkennen ist, ist das Stabilisierungselement 14 im Querschnitt im Wesentlichen V-förmig ausgebildet. Das Stabilisierungselement 14 liegt mit seinen Schenkeln 15 und 16 am ebenfalls V-förmig überstülpten Bereich 12 der Dichtungsmanschette 5 derart an, dass es sich zur Innenseite der Abkantung 6 des Gehäuses 2 erstreckt und diese zumindest nahezu vollständig überdeckt. In Fig. 4 ist verdeutlicht, dass das Stabilisierungselement 14 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 3a der geschlossenen Tür 3 legt, rückwärtig gestützt, die Bewegung der Dichtlippe 7 wird dadurch auf die Dichtlippe 7 selbst begrenzt.Like from the Figures 3 and 4 can be seen, the stabilizing element 14 is formed in cross-section substantially V-shaped. The stabilizing element 14 rests with its legs 15 and 16 on the region 12 of the sealing collar 5, which is likewise pulled over in a V-shaped manner, such that it extends to the inside of the fold 6 of the housing 2 and covers it at least almost completely. In Fig. 4 is clarified that the stabilizing element 14 receives the force acting on the predetermined bending points 7a forces of the sealing lip 7, so that caused deformations in the over-protuberance region 12 and in the planar region avoided or at least minimized. Further, the sealing lip 7, which lays against the sight glass 3a of the closed door 3, supported rearwardly, the movement of the sealing lip 7 is thereby limited to the sealing lip 7 itself.

In vorteilhafter Weiterbildung sind die freien Enden bzw. die Endabschnitte der Schenkel 15 und 16 jeweils nach außen hin abgewinkelt ausgebildet. So wird deutlich, dass, wenn beispielsweise die Dichtlippe 7 unter Belastung steht, so wie dies in der Figur 4 in der Schließstellung der Tür 3 dargestellt ist, die Verformung des Randbereichs der Dichtungsmanschette 5 dadurch vermindert wird, dass der über die Abkantung 6 ragende Bereich durch den freien Schenkel 15 mit seinem abgewinkelten Bereich gestützt wird. Der abgewinkelte Bereich des freien Schenkels 15 greift hierbei über die Abkantung 6 hinaus, so dass auch der überstülpte Bereich 12 oberhalb der Abkantung 6 mit erfasst wird. Somit wird neben der so genannten stabilisierenden Abstützung des überstülpten Bereiches 12 auch ein Gegenlager bzw. eine Stabilisierung für die Dichtlippe 7 geschaffen.In an advantageous embodiment, the free ends or the end portions of the legs 15 and 16 are each angled outwardly. So it is clear that, for example, when the sealing lip 7 is under load, as in the FIG. 4 is shown in the closed position of the door 3, the deformation of the edge region of the gasket 5 is reduced by the projecting beyond the fold 6 area is supported by the free leg 15 with its angled portion. The angled portion of the free leg 15 in this case extends beyond the fold 6, so that the everted portion 12 is detected above the fold 6 with. Thus, in addition to the so-called stabilizing Supporting the everted region 12 and an abutment or a stabilization for the sealing lip 7 created.

In Weiterbildung der Erfindung ist der Spannring 13 zwischen den Schenkeln 15 und 16 an der Innenseite im Bereich der Spitze 17 des V-förmigen Querschnittes des Stabilisierungselementes 14 angeordnet. Zur verbesserten Vormontage des Spannringes 13 ist es hier besonders vorteilhaft, dass an der Innenseite der Schenkel 15 und 16 jeweils Rastnasen 18 und 19 angeformt sind, die segmentweise oder vollständig umlaufend ausgeführt sind. Es versteht sich nun von selbst, dass, bevor das Stabilisierungselement 14 in den überstülpten Bereich 12 eingebracht wird, zunächst der Spannring 13 zwischen die Rastnasen 18 und 19 verbracht wird, bevor die gesamte Baugruppe dann an den überstülpten Bereich 12 und hier in den Abkantungsbereich der Gehäuseöffnung 4 eingebracht wird.In a further development of the invention, the clamping ring 13 is arranged between the legs 15 and 16 on the inside in the region of the tip 17 of the V-shaped cross section of the stabilizing element 14. For improved pre-assembly of the clamping ring 13, it is particularly advantageous here that 15 and 16 each locking lugs 18 and 19 are integrally formed on the inside of the legs, which are executed segmentally or completely circumferentially. It now goes without saying that, before the stabilizing element 14 is introduced into the everted region 12, first the clamping ring 13 is moved between the locking lugs 18 and 19, before the entire assembly then to the everted region 12 and here in the Abkantungsbereich the Housing opening 4 is introduced.

Besonders vorteilhaft ist es, dass das Stabilisierungselement 14 aus einem extrudierten Kunststoff-Strangprofil besteht, welches im Wesentlichen ringförmig ausgebildet ist, wobei durch die Materialanhäufung in der Spitze 17 des V-förmigen Querschnitts sich diese radial nach innen ausrichtet. Die selbständige Ausrichtung geschieht während des Fertigungsprozesses und wird durch die erhöhte Schrumpfung an den Stellen mit Materialanhäufung während des Erkaltens verursacht. Dieser Effekt wird hierbei für die Formgebung des ringförmigen Stabilisierungselementes 14 genutzt.It is particularly advantageous that the stabilizing element 14 consists of an extruded plastic extruded profile, which is formed substantially annular, wherein the material accumulation in the tip 17 of the V-shaped cross-section, this aligns radially inward. The self-alignment occurs during the manufacturing process and is caused by the increased shrinkage at the sites of accumulation of material during cooling. This effect is used here for the shaping of the annular stabilizing element 14.

Es versteht sich von selbst, dass die Erfindung auch das Stabilisierungselement 14 als solches betrifft, welches für eine Dichtungsmanschette 5 zur Einbindung an einer Gehäuseöffnung 4 einer Wäschebehandlungsmaschine 1 bestimmt ist, wie sie beschrieben wurde.It goes without saying that the invention also relates to the stabilizing element 14 as such, which is intended for a sealing collar 5 for incorporation on a housing opening 4 of a laundry treatment machine 1, as has been described.

Claims (8)

Frontbeschickbare Wäschebehandlungsmaschine (1) mit einem Gehäuse (2), mit einer durch eine Tür (3) verschließbaren im Wesentlichen kreisförmigen Gehäuseöffnung (4), und einem in dem Gehäuse (2) schwingbeweglich befestigten Laugenbehälter (9) mit einer im Wesentlichen kreisförmigen Laugenbehälteröffnung (8) und einer Dichtungsmanschette (5), die zur Verbindung zwischen der Gehäuseöffnung (4) und der Laugenbehälteröffnung (8) angeordnet ist, wobei die Dichtungsmanschette (5) auf eine um die Gehäuseöffnung (4) umlaufende Abkantung (6) gestülpt ist und dieser überstülpte Bereich (12) mit einem als Spannring (13) ausgebildeten Spannelement zusammenwirkt und in diesem Bereich eine umlaufende, zur Türöffnung gerichtete Dichtlippe (7) für die Tür (3) angeordnet ist,
dadurch gekennzeichnet,
dass an dem überstülpten Bereich (12) der Dichtungsmanschette (5) ein zumindest nahezu umlaufendes Stabilisierungselement (14) stabilisierend anliegt, welches den Spannring (13) aufnimmt und den überstülpten Bereich (12) stützt.A front-loadable laundry treatment machine (1) having a housing (2), with a substantially circular housing opening (4) which can be closed by a door (3), and a tub (9) with a substantially circular tub opening (9) attached in a swinging manner in the housing (2). 8) and a sealing collar (5), which is arranged for connection between the housing opening (4) and the tub opening (8), wherein the sealing sleeve (5) on a around the housing opening (4) encircling fold (6) is slipped and this everted region (12) cooperates with a tensioning ring (13) formed clamping element and in this area a circumferential, directed towards the door opening sealing lip (7) for the door (3) is arranged,
characterized,
in that a stabilizing element (14), which is at least approximately circumferential, bears against the over-turned region (12) of the sealing collar (5) in a stabilizing manner, which receives the clamping ring (13) and supports the turned-over region (12). Frontbeschickbare Wäschebehandlungsmaschine nach Anspruch 1,
dadurch gekennzeichnet,
dass das Stabilisierungselement (14) im Querschnitt im Wesentlichen V-förmig ausgebildet ist und mit seinen Schenkeln (15, 16) am ebenfalls V-förmigen überstülpten Bereich (12) der Dichtungsmanschette (5), der sich zur Innenseite der Abkantung (6) der Gehäuseöffnung (4) erstreckt, zumindest nahezu vollständig anliegt.A front-loading laundry treating machine according to claim 1,
characterized,
in that the stabilizing element (14) has a substantially V-shaped cross-section and with its legs (15, 16) on the likewise V-shaped turned-over region (12) of the sealing collar (5), which faces the inside of the fold (6) Housing opening (4) extends, at least almost completely rests. Frontbeschickbare Wäschebehandlungsmaschine nach Anspruch 2,
dadurch gekennzeichnet,
dass die freien Enden der Schenkel (15, 16) jeweils nach außen hin abgewinkelt ausgebildet sind.A front-loading laundry treating machine according to claim 2,
characterized,
that the free ends of the legs (15, 16) are each angled outwardly. Frontbeschickbare Wäschebehandlungsmaschine nach Anspruch 2,
dadurch gekennzeichnet,
dass der Spannring (13) zwischen den Schenkeln (15, 16) an der Innenseite im Bereich der Spitze (17) des V-förmigen Querschnitts des Stabilisierungselementes (14) angeordnet ist.A front-loading laundry treating machine according to claim 2,
characterized,
that the clamping ring (13) between the legs (15, 16) on the inside in the region of the tip (17) of the V-shaped cross section of the stabilizing element (14) is arranged. Frontbeschickbare Wäschebehandlungsmaschine nach Anspruch 2,
dadurch gekennzeichnet,
dass zur rastenden Vormontage des Spannringes (13) an der Innenseite der Schenkel (15, 16) jeweils Rastnasen (18, 19) angeformt sind.A front-loading laundry treating machine according to claim 2,
characterized,
that latching lugs (18, 19) are each formed on the inside of the legs (15, 16) for latching pre-assembly of the clamping ring (13). Frontbeschickbare Wäschebehandlungsmaschine nach Anspruch 4,
dadurch gekennzeichnet,
dass das Stabilisierungselement (14) aus einem extrudierten Kunststoff-Strangprofil besteht, welches im Wesentlichen ringförmig ausgebildet ist, wobei die Spitze (17) des V-förmigen Querschnitts radial innen liegt.A front-loading laundry treating machine according to claim 4,
characterized,
in that the stabilizing element (14) consists of an extruded plastic extruded profile which is substantially annular, the point (17) of the V-shaped cross section lying radially inward. Frontbeschickbare Wäschebehandlungsmaschine nach Anspruch 1,
dadurch gekennzeichnet,
dass das Stabilisierungselement (14) über den Umfang gesehen einen im wesentlichen symmetrischen Querschnitt hat.A front-loading laundry treating machine according to claim 1,
characterized,
that the stabilizing element (14) has a substantially symmetrical cross-section, seen over the circumference. Stabilisierungselement (14) für eine Dichtungsmanschette (5) einer Wäschebehandlungsmaschine (1) nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 7.Stabilizing element (14) for a sealing collar (5) of a laundry treatment machine (1) according to one or more of the preceding claims 1 to 7.
EP08008348A 2007-05-14 2008-05-02 Front loaded laundry treatment machine Not-in-force EP1992729B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007022882A DE102007022882B3 (en) 2007-05-14 2007-05-14 Front-loading washing machine has annular seal around front door opening held in place by locking ring which fits into annular mounting with V-shaped cross-section supporting part of seal which is folded back on itself

Publications (2)

Publication Number Publication Date
EP1992729A1 true EP1992729A1 (en) 2008-11-19
EP1992729B1 EP1992729B1 (en) 2013-02-13

Family

ID=39363449

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Application Number Title Priority Date Filing Date
EP08008348A Not-in-force EP1992729B1 (en) 2007-05-14 2008-05-02 Front loaded laundry treatment machine

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EP (1) EP1992729B1 (en)
DE (1) DE102007022882B3 (en)
ES (1) ES2400702T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TR201717930A2 (en) * 2017-11-14 2019-06-21 Arcelik As A BELLOW AND PRODUCTION METHOD SUITABLE FOR USE IN WASHING MACHINES

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE906011C (en) 1945-01-25 1954-03-08 Aeg Method and device for producing rods made of plastic, in particular thermoplastic material, which are used in particular as gas-emitting covers for electrical hard gas switches
DE8801392U1 (en) * 1987-03-05 1988-05-11 Industrie Zanussi S.P.A., Pordenone, Udine Bellows seal for a washing machine
DE29716968U1 (en) 1996-09-24 1997-11-06 Electrolux Zanussi Elettrodomestici S.P.A., Pordenone Washing machine or similar with a drum rotatable about a horizontal axis
DE19856915A1 (en) * 1998-12-10 2000-06-15 Whirlpool Co Drum washing machine has bellows between filling opening for laundry and washing solution container
DE10031170A1 (en) 2000-06-27 2002-01-10 Bsh Bosch Siemens Hausgeraete gasket
EP1067231B1 (en) 1999-06-29 2003-11-19 The Chardon Rubber Company Front loading washing machine with bellows
US20060254319A1 (en) 2005-04-16 2006-11-16 Lg Electronics Inc. Washing machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE906011C (en) 1945-01-25 1954-03-08 Aeg Method and device for producing rods made of plastic, in particular thermoplastic material, which are used in particular as gas-emitting covers for electrical hard gas switches
DE8801392U1 (en) * 1987-03-05 1988-05-11 Industrie Zanussi S.P.A., Pordenone, Udine Bellows seal for a washing machine
DE29716968U1 (en) 1996-09-24 1997-11-06 Electrolux Zanussi Elettrodomestici S.P.A., Pordenone Washing machine or similar with a drum rotatable about a horizontal axis
DE19856915A1 (en) * 1998-12-10 2000-06-15 Whirlpool Co Drum washing machine has bellows between filling opening for laundry and washing solution container
EP1067231B1 (en) 1999-06-29 2003-11-19 The Chardon Rubber Company Front loading washing machine with bellows
DE10031170A1 (en) 2000-06-27 2002-01-10 Bsh Bosch Siemens Hausgeraete gasket
US20060254319A1 (en) 2005-04-16 2006-11-16 Lg Electronics Inc. Washing machine

Also Published As

Publication number Publication date
EP1992729B1 (en) 2013-02-13
DE102007022882B3 (en) 2008-06-12
ES2400702T3 (en) 2013-04-11

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