EP1899524B1 - Door for a clothes drier or washer-drier - Google Patents

Door for a clothes drier or washer-drier Download PDF

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Publication number
EP1899524B1
EP1899524B1 EP06708481A EP06708481A EP1899524B1 EP 1899524 B1 EP1899524 B1 EP 1899524B1 EP 06708481 A EP06708481 A EP 06708481A EP 06708481 A EP06708481 A EP 06708481A EP 1899524 B1 EP1899524 B1 EP 1899524B1
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EP
European Patent Office
Prior art keywords
door
seal
housing side
glass pane
glass
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.)
Active
Application number
EP06708481A
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German (de)
French (fr)
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EP1899524A1 (en
Inventor
Ahmet Kocak
Andreas Lange
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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Publication of EP1899524A1 publication Critical patent/EP1899524A1/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
    • 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
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/10—Drying cabinets or drying chambers having heating or ventilating means
    • D06F58/12—Drying cabinets or drying chambers having heating or ventilating means having conveying means for moving clothes, e.g. along an endless track
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 

Definitions

  • the invention relates to a door for a laundry drying or drying machine for closing a feed opening arranged at least approximately vertically in a housing with a holder which surrounds the edge of a glass pane in a door frame, and a seal made of elastic material arranged in the holding area of the glass pane to prevent moisture leakage.
  • the holder has two parts comprising a housing-side part and the seal is integrally formed on the housing-side part of the holder and conforms to a lip-like ring on the inner surface of the glass sheet.
  • the glass pane is locked mechanically fixed in different embodiments by a retaining ring forming the inside of the door frame.
  • the holding or pressing ring is fitted in the visible from the outside mounting ring of the door and is joined screwed with this.
  • the pot-shaped glass sheet is thereby pressed between the outer mounting ring and the retaining ring.
  • the a moisture leakage preventing seal is inserted between the retaining ring and the angled edge web of the glass, screwing the retaining ring with the outer frame part, the mounting ring, causes the necessary interference fit of the glass.
  • a disadvantage of the known solutions is also that between the inner edge region of the retaining ring and the edge web of the pot-shaped inwardly formed glass, a niche is formed in which lint can accumulate during operation of the drying machine over time.
  • the fluff deposit on the edge of the glass pane is clearly visible from the outside, whereby the appearance of the transparent feed opening for the viewer is greatly impaired.
  • the optical impression is further degraded by the fact that the Flusenablagerung makes the otherwise unrecognizable manufacturing tolerances of the glass pane visible, since the thickness of Flusenablagerung depends on the width and depth of the niche formed between the glass and the retaining ring and irregularities of the deposited lint layer on the Side edges are particularly noticeable to the human eye.
  • glass panels have not been used frequently in doors for laundry drying machines, the problem described has only rarely been correspondingly visible.
  • the invention has for its object to form the door of a front-loading laundry drying machine so that the deposition of lint in the pressurized sealing of the pot-shaped glass pane is avoided and yet all requirements are met with respect to the air and moisture seal.
  • a door for a laundry drying or drying machine for closing a at least approximately vertically arranged in a housing feed opening with a in a door frame the edge of a glass surrounding the holder, and arranged to protect against moisture leakage in the mounting region of the glass
  • a seal made of elastic material wherein the holder has two parts comprising a housing-side part and the seal is integrally formed on the housing-side part of the holder and conforms with a lip-like ring on the inner surface of the glass sheet;
  • the lip-like ring on a cross-section which is shaped similar to an acute-angled triangle, extending with its acute-angled region towards the center of the glass plate and clings to the glass sheet.
  • the seal extends by means of a lip-like ring towards the center of the glass and there clings to the lip with its lip on the glass, the lint is offered no liability to themselves in one area - as in dryers in the prior art - unaffected sell off past laundry.
  • the lip-like ring has a cross-section which is shaped similar to an acute-angled triangle and conforms with its acute-angled region on the glass sheet. The tapering of the material thickness in the acute-angled area of the sealing ring causes the seal on the cup wheel easily creates without new niches are formed at the outer end or heels are formed, where it could in turn lead to deposits of lint.
  • the seal By using the seal thus formed, the space between the pot-shaped glass and the retaining ring is completely filled without shouldering at the transition points to the pressure ring and the glass.
  • the Flusenablagerung in the edge region of the glass can thus be permanently avoided, the glass remains even during long-term operation of the drying machine (hereinafter referred to as "tumble dryer” called) clean and the visual impression of the view of the front of the feed opening is not adversely affected.
  • umble dryer called
  • the original function of the seal according to the invention as a sealing element and as a means for tolerance compensation is in no way limited compared to the known seals described.
  • the holder surrounds the edge by a socket and / or by the housing-side part (claim 2).
  • the seal on a ring portion which is clamped between the housing-side part of the holder and the edge of the glass in the axial direction of the door (claim 3).
  • seal in a further embodiment of the invention with the housing-side part is integrally connected (claim 4).
  • the outer periphery of the ring portion has an annular shoulder which contacts the inside of the housing-side part (claim 5). This makes it possible to produce a transition-free connection on the one hand, and on the other hand reduces this - especially when the seal is molded on the housing side part (claim 6) - the number of items to be kept ready in the assembly. When installing the door, a manual insertion and positioning of the seal is eliminated.
  • a feed opening (not shown) which is closed by a door 3.
  • the door By means of a handle 4, the door can be pivoted to open about a hinge 5.
  • the door frame 6 To clarify the construction of the door frame 6, it is cut on the upper side.
  • the door 3 of the tumble dryer consists of a frame 6 into which a glass pane 7, which is pot-shaped and convex towards the interior of the tumble dryer, is fitted.
  • the glass pane 7 may be made of a clear plastic or silicate glass.
  • the frame 6 of the door consists of two parts 8 and 9.
  • the decorative ring 8 is the visible from the outside part of the door frame 6 and, not visible from the drawing, designed according to modern aesthetic requirements.
  • the inner part of the door frame 6 forms a connected to the decorative ring 8, eg screwed, housing-side part. 9
  • the joined parts of the frame 6 circumferentially form a receiving space for the edge web 12 of the cup-shaped bulged glass 7.
  • the receiving space is dimensioned so that there is enough clearance to compensate for manufacturing tolerance tolerances of the glass 7 with respect to their thickness and roundness.
  • a moisture-preventing seal 13 is arranged between the housing-side part 9 and the edge web 12 of the glass pane 7.
  • the seal according to the invention is in this embodiment of the molded on the housing side part 9.
  • the technologies for molding elastic seals are known and will not be further explained at this point.
  • the seal 13 according to the invention has on its side facing the edge web 12 two circumferential, self-contained bead-shaped sealing ribs 14 which bear against the edge web 12 of the glass pane 7 when the door frame 6 is pressurized.
  • bead-shaped sealing ribs 14 By the bead-shaped sealing ribs 14, the escape of moisture from the interior of the clothes dryer in the installation space of the machine is reliably prevented.
  • the pressing force necessarily applied thereto between the housing-side part 9 and the edge web 12 of the glass pane 7 can be generated by screws, not shown, which connect the decorative ring 8 with the housing-side part 9.
  • the two forming the door frame 6, formed of plastic items 8, 9 are positively connected to each other by form-fitting in the parts locking elements.
  • the screw has proven to be beneficial, especially to compensate for thickness tolerances of the edge web 12 of the glass 7.
  • the molded lip-like ring 15 engages with a shoulder 16, the inner side 17 of the housing-side part 9 and closes flush with the inside 17, so that at this point no protruding paragraph is formed.
  • Fig. 3 it can be seen that the inwardly projecting approximately horizontally over the edge of the housing-side part 9 part of the seal 13 runs as a lip-like ring 15 at an acute angle. Due to its material and formula elasticity, this acute-angled region 18 of the seal 13 lays tight against the outer wall when the glass pane 7 is being joined. Due to the acute-angled region 18 of the seal 13, the formation of a shoulder on the landing is prevented, in the throaty cavity lint could settle unreachable.
  • the seal 13 closes the space between the clear glass 7 and the housing-side part 9 and creates a smooth transition between the two components. Since the seal 13 leaves no edges or heels, especially at the joints, there can be no permanent deposition of lint. Fluff, which come with the dry air in this area, glide on the Glass pane 7 and the seal 13 and are transported with the dry air flow to a lint filter, not shown in the drawing. The optical image of the glass pane remains always the same in its edge area during continuous operation of the tumble dryer.
  • a protective plate 19 is provided together with the outer part (decorative ring 8) of the frame. 6 is held.
  • the decorative ring 8 is provided at the inner edge with a slightly protruding rib 20 and it is supported by a web 21 on a spacer ring 22 from the decorative ring 8 on the one hand and the housing-side part 9 of the frame 6 and the edge web 12 of the glass pane 7 on the other keeps at a distance.
  • the space between the spacer ring 22 and rib 20 has a slightly cranked edge of the shield 19 space.
  • the decorative ring 8 is held in this case by a locking rib 23 on an undercut of the housing-side part 9 of the frame 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Drying Of Solid Materials (AREA)
  • Wing Frames And Configurations (AREA)

Abstract

The invention relates to a door for closing off a loading opening of a clothes dryer includes a holding device surrounding the edge of a non-opaque pane in a door frame, via a fixing element and/or a part of the holding element arranged on the housing side. A moisture escape-preventing elastic sealing element is mounted in the non-opaque pane area. In order to prevent fluff accumulation in the connection points between the frame and the non-opaque pane, the inventive sealing element is molded to the part of the holding element placed on the housing side and fits the shape of the internal surface of the non-opaque pane with the aid of a lip-shaped ring.

Description

Die Erfindung betrifft eine Tür für eine Wäschetrocken- oder Waschtrockenmaschine zum Verschließen einer wenigstens annähernd senkrecht in einem Gehäuse angeordneten Beschickungsöffnung mit einer in einem Türrahmen den Rand einer Glasscheibe umgreifenden Halterung, und einer zur Sicherung gegen Feuchtigkeitsaustritt im Halterungsbereich der Glasscheibe angeordneten Dichtung aus elastischem Material, wobei die Halterung zwei Teile umfassend einen gehäuseseitigen Teil aufweist und die Dichtung an dem gehäuseseitigen Teil der Halterung angeformt ist und sich mit einem lippenartigen Ring auf der Innenfläche der Glasscheibe anschmiegt.The invention relates to a door for a laundry drying or drying machine for closing a feed opening arranged at least approximately vertically in a housing with a holder which surrounds the edge of a glass pane in a door frame, and a seal made of elastic material arranged in the holding area of the glass pane to prevent moisture leakage. wherein the holder has two parts comprising a housing-side part and the seal is integrally formed on the housing-side part of the holder and conforms to a lip-like ring on the inner surface of the glass sheet.

Eine solche Tür geht hervor aus der DE 83 04 273 U1 . Diese Schrift zeigt eine Tür mit einer Dichtung, die einen lippenartigen Ring aufweist, wobei dieser Ring einen Ansatz für eine zylindrische Struktur bildet, welche aus einem im wesentlichen ebenen Bauteil heraustritt, wobei sowohl innen- als auch außenseitig Rundungen vorgesehen sind. Die zylindrische Struktur setzt im Wesentlichen rechtwinklig auf einen Flansch der Glasscheibe auf, wobei sich zwischen der Glasscheibe und der Struktur eine V-förmige Einsenkung bildet.Such a door protrudes from the DE 83 04 273 U1 , This document shows a door with a seal having a lip-like ring, said ring forms an approach for a cylindrical structure, which emerges from a substantially planar member, wherein both inside and on the outside curves are provided. The cylindrical structure is substantially perpendicular to a flange of the glass sheet, forming a V-shaped depression between the glass sheet and the structure.

Aus der DE 42 16 581 A1 geht eine Tür hervor, bei der eine Glasscheibe vollständig von einem Dichtelement eingefasst ist.From the DE 42 16 581 A1 goes out a door in which a glass is completely enclosed by a sealing element.

Aus der US 2004/159010 A1 geht eine Tür hervor, welche eine in einen einteiligen Rahmen gefasste Glasscheibe aufweist.From the US 2004/159010 A1 goes out a door, which has a glass enclosed in a one-piece frame.

Aus der DE 79 28 164 geht eine Tür hervor, bei der eine Glasscheibe ohne ein besonderes Dichtelement in einen Halterungsring eingefasst ist.From the DE 79 28 164 goes out a door in which a glass without a special sealing element is enclosed in a retaining ring.

Aus der DE 78 34 776 U1 ist eine einseitig schwenkbar angelenkte Tür für eine Waschmaschine bekannt, bei der die topfartig ausgewölbte Glasscheibe in einem ringförmigen Kunststoffrahmen durch Presssitz gehalten wird. Die nutartige Verbindungsstelle zwischen dem Kunststoffrahmen der eingesetzten Glasscheibe wird abgedichtet durch eine ringförmige Gummidichtung, die in der Nut des Kunststoffrahmens eingelegt ist und in die die Glasscheibe eingepresst wird.From the DE 78 34 776 U1 is a unilaterally hinged hinged door for a washing machine, in which the cup-shaped bulging glass sheet is held in an annular plastic frame by press fit. The groove-like connection point between the plastic frame of the glass pane used is sealed by an annular rubber seal, which is inserted in the groove of the plastic frame and into which the glass pane is pressed.

Die Dichtheit dieser Klemmverbindung ist wesentlich von der Maßgenauigkeit der gefügten Bauteile abhängig. Die dazu notwendigen engen Toleranzen einzuhalten, ist insbesondere bei der Herstellung der Glasscheibe nur mit erheblichem Aufwand realisierbar.The tightness of this clamp connection is significantly dependent on the dimensional accuracy of the joined components. Adhere to the necessary close tolerances, especially in the production of glass can be realized only with considerable effort.

Bei marktgängigen Trockenmaschinen wird in unterschiedlichen Ausführungsformen die Glasscheibe durch einen die Innenseite des Türrahmens bildenden Haltering mechanisch fest arretiert. Der Halte- oder Pressring ist in dem von außen sichtbaren Fassungsring der Tür eingepasst und wird gefügt mit diesem verschraubt. Die topfartige Glasscheibe wird dabei zwischen dem äußeren Fassungsring und dem Haltering eingepresst. Die einen Feuchtigkeitsaustritt unterbindende Dichtung ist zwischen dem Haltering und dem abgewinkelten Randsteg der Glasscheibe eingelegt, die Verschraubung des Halterings mit dem äußeren Rahmenteil, dem Fassungsring, bewirkt den notwendigen Presssitz der Glasscheibe.In commercially available drying machines, the glass pane is locked mechanically fixed in different embodiments by a retaining ring forming the inside of the door frame. The holding or pressing ring is fitted in the visible from the outside mounting ring of the door and is joined screwed with this. The pot-shaped glass sheet is thereby pressed between the outer mounting ring and the retaining ring. The a moisture leakage preventing seal is inserted between the retaining ring and the angled edge web of the glass, screwing the retaining ring with the outer frame part, the mounting ring, causes the necessary interference fit of the glass.

Bei der beschriebenen Tür werden fertigungsbedingte Toleranzabweichungen bezogen auf die Dicke der Glasscheibe sowie deren Rundheit zwar ausgeglichen, indem über die Verschraubung von Haltering und Fassungsring der für die Dichtheit der Verbindung notwendigerweise aufzuwendende Druck auf die Dichtung realisiert wird. Jedoch ist eine eindeutige Maßhaltigkeit des gefügten Türrahmens nicht einzuhalten.In the door described manufacturing tolerances based on the thickness of the glass and their roundness are indeed compensated by the screwing of retaining ring and mounting ring of the tightness of the connection necessarily expended pressure is realized on the seal. However, a clear dimensional accuracy of the joined door frame is not respected.

Nachteilig bei den bekannten Lösungen ist außerdem, dass zwischen dem inneren Randbereich des Halterings und dem Randsteg der topfartig nach innen ausgeformten Glasscheibe eine Nische gebildet wird, in der sich beim Betrieb der Trockenmaschine im Laufe der Zeit Flusen ablagern können. Die Flusenablagerung am Rand der Glasscheibe ist von außen deutlich sichtbar, wodurch das Erscheinungsbild der durchsichtigen Beschickungsöffnung für den Betrachter stark beeinträchtigt wird. Der optische Eindruck verschlechtert sich zusätzlich dadurch, dass die Flusenablagerung die ansonsten nicht erkennbaren Fertigungstoleranzen der Glasscheibe sichtbar werden lässt, da die Stärke der Flusenablagerung von der Breite und Tiefe der zwischen der Glasscheibe und dem Haltering gebildeten Nische abhängig ist und Unregelmäßigkeiten der abgelagerten Flusenschicht an den Seitenrändern für das menschliche Auge besonders auffällig sind. Da allerdings Glasscheiben bei Türen für Wäschetrockenmaschinen bisher nicht häufig eingesetzt worden sind, ist das beschriebene Problem auch nur entsprechend selten sichtbar geworden.A disadvantage of the known solutions is also that between the inner edge region of the retaining ring and the edge web of the pot-shaped inwardly formed glass, a niche is formed in which lint can accumulate during operation of the drying machine over time. The fluff deposit on the edge of the glass pane is clearly visible from the outside, whereby the appearance of the transparent feed opening for the viewer is greatly impaired. The optical impression is further degraded by the fact that the Flusenablagerung makes the otherwise unrecognizable manufacturing tolerances of the glass pane visible, since the thickness of Flusenablagerung depends on the width and depth of the niche formed between the glass and the retaining ring and irregularities of the deposited lint layer on the Side edges are particularly noticeable to the human eye. However, since glass panels have not been used frequently in doors for laundry drying machines, the problem described has only rarely been correspondingly visible.

Der Erfindung liegt die Aufgabe zugrunde, die Tür einer frontbeschickbaren Wäschetrockenmaschine so auszubilden, dass die Ablagerung von Flusen im Bereich der druckbeaufschlagten Abdichtung der topfartigen Glasscheibe vermieden wird und dennoch alle Anforderungen hinsichtlich der Luft- und Feuchtigkeitsdichtung erfüllt werden.The invention has for its object to form the door of a front-loading laundry drying machine so that the deposition of lint in the pressurized sealing of the pot-shaped glass pane is avoided and yet all requirements are met with respect to the air and moisture seal.

Diese Aufgabe wird gemäß der Erfindung gelöst durch eine Tür für eine Wäschetrocken- oder Waschtrockenmaschine zum Verschließen einer wenigstens annähernd senkrecht in einem Gehäuse angeordneten Beschickungsöffnung mit einer in einem Türrahmen den Rand einer Glasscheibe umgreifenden Halterung, und einer zur Sicherung gegen Feuchtigkeitsaustritt im Halterungsbereich der Glasscheibe angeordneten Dichtung aus elastischem Material, wobei die Halterung zwei Teile umfassend einen gehäuseseitigen Teil aufweist und die Dichtung an dem gehäuseseitigen Teil der Halterung angeformt ist und sich mit einem lippenartigen Ring auf der Innenfläche der Glasscheibe anschmiegt; dabei weist der lippenartige Ring einen Querschnitt auf, der ähnlich einem spitzwinkligen Dreieck geformt ist, sich mit seinem spitzwinkligen Bereich zum Zentrum der Glasscheibe hin erstreckt und an der Glasscheibe anschmiegt.This object is achieved according to the invention by a door for a laundry drying or drying machine for closing a at least approximately vertically arranged in a housing feed opening with a in a door frame the edge of a glass surrounding the holder, and arranged to protect against moisture leakage in the mounting region of the glass A seal made of elastic material, wherein the holder has two parts comprising a housing-side part and the seal is integrally formed on the housing-side part of the holder and conforms with a lip-like ring on the inner surface of the glass sheet; In this case, the lip-like ring on a cross-section, which is shaped similar to an acute-angled triangle, extending with its acute-angled region towards the center of the glass plate and clings to the glass sheet.

Dadurch, dass die Dichtung mittels eines lippenartigen Rings sich zum Zentrum der Glasscheibe hin erstreckt und dort mit seiner Lippe sich am Glas anschmiegt, wird den Flusen keine Haftung geboten, um sich in einem Bereich - etwa wie bei Wäschetrockenmaschinen im Stande der Technik - unberührt von vorbeistreichender Wäsche abzusetzen. Weiter ist vorgesehen, dass der lippenartige Ring einen Querschnitt aufweist, der ähnlich einem spitzwinkligen Dreieck geformt ist und sich mit seinem spitzwinkligen Bereich an der Glasscheibe anschmiegt. Die Verjüngung der Materialstärke im spitzwinkligen Bereich des Dichtrings bewirkt, dass sich die Dichtung an der Topfscheibe problemlos anlegt, ohne dass am äußeren Ende neue Nischen entstehen oder Absätze gebildet werden, wo es wiederum zu Ablagerungen von Flusen kommen könnte. Durch den Einsatz der so ausgebildeten Dichtung wird der Zwischenraum zwischen der topfartigen Glasscheibe und dem Haltering vollständig ausgefüllt ohne Absatzbildung an den Übergangsstellen zum Druckring und zur Glasscheibe. Die Flusenablagerung im Randbereich der Glasscheibe kann somit dauerhaft vermieden werden, die Glasscheibe bleibt auch beim Langzeitbetrieb der Trockenmaschine (nachfolgend kurz "Wäschetrockner" genannt) sauber und der optische Eindruck des von vorn auf die Beschickungsöffnung Blickenden wird nicht negativ beeinträchtigt. Die originäre Funktion der erfindungsgemäßen Dichtung als Dichtelement und als Mittel zum Toleranzausgleich ist gegenüber den beschriebenen bekannten Dichtungen in keiner Weise eingeschränkt.The fact that the seal extends by means of a lip-like ring towards the center of the glass and there clings to the lip with its lip on the glass, the lint is offered no liability to themselves in one area - as in dryers in the prior art - unaffected sell off past laundry. It is further provided that the lip-like ring has a cross-section which is shaped similar to an acute-angled triangle and conforms with its acute-angled region on the glass sheet. The tapering of the material thickness in the acute-angled area of the sealing ring causes the seal on the cup wheel easily creates without new niches are formed at the outer end or heels are formed, where it could in turn lead to deposits of lint. By using the seal thus formed, the space between the pot-shaped glass and the retaining ring is completely filled without shouldering at the transition points to the pressure ring and the glass. The Flusenablagerung in the edge region of the glass can thus be permanently avoided, the glass remains even during long-term operation of the drying machine (hereinafter referred to as "tumble dryer" called) clean and the visual impression of the view of the front of the feed opening is not adversely affected. The original function of the seal according to the invention as a sealing element and as a means for tolerance compensation is in no way limited compared to the known seals described.

In Ausgestaltung der Erfindung umgreift die Halterung den Rand durch eine Fassung und/oder durch den gehäuseseitigen Teil (Patentanspruch 2).In an embodiment of the invention, the holder surrounds the edge by a socket and / or by the housing-side part (claim 2).

In Ausgestaltung der Erfindung weist die Dichtung einen Ringabschnitt auf, der zwischen dem gehäuseseitigen Teil der Halterung und dem Rand der Glasscheibe in axialer Richtung der Tür eingespannt ist (Patentanspruch 3). Dadurch kann über die bereits dargestellten Dichtungsmaßnahmen durch den lippenartigen Ring hinaus eine Verbesserung der Dichtheit zwischen Innenraum und Umgebung hergestellt werden.In an embodiment of the invention, the seal on a ring portion which is clamped between the housing-side part of the holder and the edge of the glass in the axial direction of the door (claim 3). As a result, an improvement in the tightness between the interior and the environment can be produced by way of the sealing measures already described by the lip-like ring.

Vorteilhafterweise ist die Dichtung in einer weiteren Ausbildung der Erfindung mit dem gehäuseseitigen Teil einstückig verbunden (Patentanspruch 4).Advantageously, the seal in a further embodiment of the invention with the housing-side part is integrally connected (claim 4).

Vorzugsweise weist die äußere Peripherie des Ringabschnitts einen ringförmigen Absatz auf, der die Innenseite des gehäuseseitigen Teils berührt (Patentanspruch 5). Dadurch lässt sich einerseits eine übergangsfreie Verbindung herstellen, und andererseits vermindert dies - insbesondere wenn die Dichtung am gehäuseseitigen Teil angespritzt ist (Patentanspruch 6) - die Anzahl der in der Montage bereitzuhaltenden Einzelteile. Bei der Montage der Tür entfällt ein manuelles Einlegen und Positionieren der Dichtung.Preferably, the outer periphery of the ring portion has an annular shoulder which contacts the inside of the housing-side part (claim 5). This makes it possible to produce a transition-free connection on the one hand, and on the other hand reduces this - especially when the seal is molded on the housing side part (claim 6) - the number of items to be kept ready in the assembly. When installing the door, a manual insertion and positioning of the seal is eliminated.

Anhand von in der Zeichnung dargestellten Ausführungsbeispielen ist die Erfindung nachstehend erläutert. Es zeigen

Fig. 1
eine Frontansicht eines Wäschetrockners mit einer Tür vor der Beschickungsöffnung,
Fig. 2
einen Querschnitt durch den Halterungsbereich für die Glasscheibe,
Fig. 3
das gehäuseseitige Teil des Türrahmens zusammen mit der Dichtung im Schnitt gemäß Fig. 2 und
Fig. 4
einen Querschnitt durch den Halterungsbereich der Glasscheibe in einem weiteren Ausführungsbeispiel.
Reference to exemplary embodiments illustrated in the drawing, the invention is explained below. Show it
Fig. 1
a front view of a clothes dryer with a door in front of the feed opening,
Fig. 2
a cross section through the mounting area for the glass pane,
Fig. 3
the housing-side part of the door frame along with the seal in section according to Fig. 2 and
Fig. 4
a cross section through the mounting portion of the glass sheet in another embodiment.

An der Frontseite 2 des Gehäuses 1 eines Wäschetrockners gemäß Fig. 1 befindet sich eine Beschickungsöffnung (nicht dargestellt), die durch eine Tür 3 verschlossen ist. Mittels eines Griffs 4 kann die Tür zum Öffnen um ein Scharnier 5 verschwenkt werden. Zur Verdeutlichung des Aufbaus des Türrahmens 6 ist er an der oberen Seite geschnitten.On the front side 2 of the housing 1 of a clothes dryer according to Fig. 1 There is a feed opening (not shown) which is closed by a door 3. By means of a handle 4, the door can be pivoted to open about a hinge 5. To clarify the construction of the door frame 6, it is cut on the upper side.

In dem einen Ausführungsbeispiel gemäß Fig. 2 besteht die Tür 3 des Wäschetrockners aus einem Rahmen 6, in den eine zum Innenraum des Wäschetrockners hin topfartig ausgewölbte Glasscheibe 7 eingepasst ist. Die Glasscheibe 7 kann aus einem klarsichtigen Kunststoff oder aus Silikatglas gefertigt sein. Der Rahmen 6 der Tür besteht aus zwei Teilen 8 und 9. Der Dekorring 8 ist der von außen sichtbare Teil des Türrahmens 6 und ist, aus der Zeichnung nicht erkennbar, entsprechend modernen Ästhetikansprüchen gestaltet. Den Innenteil des Türrahmens 6 bildet ein mit dem Dekorring 8 verbundener, z.B. verschraubter, gehäuseseitiger Teil 9.In the one embodiment according to Fig. 2 the door 3 of the tumble dryer consists of a frame 6 into which a glass pane 7, which is pot-shaped and convex towards the interior of the tumble dryer, is fitted. The glass pane 7 may be made of a clear plastic or silicate glass. The frame 6 of the door consists of two parts 8 and 9. The decorative ring 8 is the visible from the outside part of the door frame 6 and, not visible from the drawing, designed according to modern aesthetic requirements. The inner part of the door frame 6 forms a connected to the decorative ring 8, eg screwed, housing-side part. 9

Zur Erhöhung der Festigkeit des Türrahmens 6 sind der gehäuseseitige Teil 9 und der Dekorring 8 mit eingeformten Rippen 10, 11 und Stegen verstärkt. Diese verleihen dem gefügten Rahmen 6 eine hohe Biege- und Verwindungssteifigkeit. Die äußeren Abmessungen der Rahmenteile 8, 9 und die eingeformten Verstärkungsrippen 10, 11 im gehäuseseitigen Teil 9 sowie im Dekorring 8 sind so aufeinander abgestimmt, dass das Fügen der Rahmenteile 8, 9 erleichtert wird und die gefügten Teile 8, 9 passgenau ineinander greifen.To increase the strength of the door frame 6 of the housing-side part 9 and the decorative ring 8 are reinforced with molded-ribs 10, 11 and webs. These give the joined frame 6 a high bending and torsional rigidity. The outer dimensions of the frame parts 8, 9 and the molded reinforcing ribs 10, 11 in the housing-side part 9 and the decorative ring 8 are coordinated so that the joining of the frame parts 8, 9 is facilitated and the joined parts 8, 9 fit into each other.

Auf der Innenseite bilden die gefügten Teile des Rahmens 6 umlaufend einen Aufnahmeraum für den Randsteg 12 der topfartig ausgewölbten Glasscheibe 7. Der Aufnahmeraum ist so bemessen, dass genügend Spiel vorhanden ist, um fertigungsbedingte Toleranzabweichungen der Glasscheibe 7 bezüglich ihrer Dicke und Rundheit sicher auszugleichen.On the inside, the joined parts of the frame 6 circumferentially form a receiving space for the edge web 12 of the cup-shaped bulged glass 7. The receiving space is dimensioned so that there is enough clearance to compensate for manufacturing tolerance tolerances of the glass 7 with respect to their thickness and roundness.

Zwischen dem gehäuseseitigen Teil 9 und dem Randsteg 12 der Glasscheibe 7 ist eine den Feuchtigkeitsaustritt verhindernde Dichtung 13 angeordnet. Die erfindungsgemäße Dichtung ist in dieser Ausführungsvariante an den gehäuseseitigen Teil 9 angespritzt. Die Technologien zum Anspritzen elastischer Dichtungen sind bekannt und sollen an dieser Stelle nicht weiter erläutert werden.Between the housing-side part 9 and the edge web 12 of the glass pane 7, a moisture-preventing seal 13 is arranged. The seal according to the invention is in this embodiment of the molded on the housing side part 9. The technologies for molding elastic seals are known and will not be further explained at this point.

In Anlehnung an bekannte Dichtelemente weist die erfindungsgemäße Dichtung 13 auf ihrer zum Randsteg 12 weisenden Seite zwei umlaufende, in sich geschlossene wulstförmige Dichtungsrippen 14 auf, die bei gefügtem Türrahmen 6 druckbeaufschlagt am Randsteg 12 der Glasscheibe 7 anliegen. Durch die wulstförmigen Dichtungsrippen 14 wird der Austritt von Feuchtigkeit aus dem Innenraum des Wäschetrockners in den Aufstellungsraum der Maschine sicher verhindert. Der dazu notwendigerweise aufzubringende Pressdruck zwischen dem gehäuseseitigen Teil 9 und dem Randsteg 12 der Glasscheibe 7 kann durch nicht dargestellte Schrauben erzeugt werden, die den Dekorring 8 mit dem gehäuseseitigen Teil 9 verbinden.Based on known sealing elements, the seal 13 according to the invention has on its side facing the edge web 12 two circumferential, self-contained bead-shaped sealing ribs 14 which bear against the edge web 12 of the glass pane 7 when the door frame 6 is pressurized. By the bead-shaped sealing ribs 14, the escape of moisture from the interior of the clothes dryer in the installation space of the machine is reliably prevented. The pressing force necessarily applied thereto between the housing-side part 9 and the edge web 12 of the glass pane 7 can be generated by screws, not shown, which connect the decorative ring 8 with the housing-side part 9.

Andere Verbindungstechniken sind ebenfalls einsetzbar. So können beispielsweise die beiden den Türrahmen 6 bildenden, aus Kunststoff gebildeten Einzelteile 8, 9 durch in die Teile eingeformte Rastelemente miteinander formschlüssig verbunden werden. Die Schraubverbindung hat sich jedoch als günstig erwiesen, insbesondere um Dickentoleranzen des Randstegs 12 der Glasscheibe 7 auszugleichen.Other joining techniques can also be used. Thus, for example, the two forming the door frame 6, formed of plastic items 8, 9 are positively connected to each other by form-fitting in the parts locking elements. However, the screw has proven to be beneficial, especially to compensate for thickness tolerances of the edge web 12 of the glass 7.

Der angespritzte lippenartige Ring 15 umgreift mit einem Absatz 16 die Innenseite 17 des gehäuseseitigen Teils 9 und schließt an dessen Innenseite 17 bündig an, so dass an dieser Stelle kein überstehender Absatz gebildet wird. Wie aus Fig. 3 ersichtlich, läuft der nach innen etwa waagerecht über den Rand des gehäuseseitigen Teils 9 herausragende Teil der Dichtung 13 als lippenartiger Ring 15 in einem spitzen Winkel aus. Durch seine Material- und Formelastizität legt sich dieser spitzwinklige Bereich 18 der Dichtung 13 beim Fügen der Glasscheibe 7 an deren Außenwand dicht an. Durch den spitzwinkligen Bereich 18 der Dichtung 13 wird die Bildung eines Absatzes an der Anlegestelle verhindert, in dessen kehligen Hohlraum sich Flusen unerreichbar absetzen könnten.The molded lip-like ring 15 engages with a shoulder 16, the inner side 17 of the housing-side part 9 and closes flush with the inside 17, so that at this point no protruding paragraph is formed. How out Fig. 3 it can be seen that the inwardly projecting approximately horizontally over the edge of the housing-side part 9 part of the seal 13 runs as a lip-like ring 15 at an acute angle. Due to its material and formula elasticity, this acute-angled region 18 of the seal 13 lays tight against the outer wall when the glass pane 7 is being joined. Due to the acute-angled region 18 of the seal 13, the formation of a shoulder on the landing is prevented, in the throaty cavity lint could settle unreachable.

Die Dichtung 13 verschließt den Raum zwischen der klarsichtigen Glasscheibe 7 und dem gehäuseseitigen Teil 9 und erzeugt einen fließenden Übergang zwischen beiden Bauteilen. Da die Dichtung 13 insbesondere an den Stoßstellen keine Kanten oder Absätze freilässt, kann es zu keiner dauerhaften Ablagerung von Flusen kommen. Flusen, die mit der Trockenluft in diesen Bereich gelangen, gleiten an der Glasscheibe 7 und der Dichtung 13 ab und werden mit dem Trockenluftstrom zu einem in der Zeichnung nicht dargestellten Flusensieb transportiert. Das optische Bild der Glasscheibe bleibt in ihrem Randbereich bei Dauerbetrieb des Wäschetrockners immer gleich ansehnlich.The seal 13 closes the space between the clear glass 7 and the housing-side part 9 and creates a smooth transition between the two components. Since the seal 13 leaves no edges or heels, especially at the joints, there can be no permanent deposition of lint. Fluff, which come with the dry air in this area, glide on the Glass pane 7 and the seal 13 and are transported with the dry air flow to a lint filter, not shown in the drawing. The optical image of the glass pane remains always the same in its edge area during continuous operation of the tumble dryer.

Bei einer Tür gemäß Fig. 4 ist zur zusätzlichen Verbesserung des Anblicks und zum Schutz vor einem Eingriff in die topfartige Glasscheibe 7, die beim Betrieb des Wäschetrockners bis zu 90° C warm werden kann, eine Schutzscheibe 19 vorgesehen, die zusammen mit dem äußeren Teil (Dekorring 8) des Rahmens 6 gehalten wird. Dazu ist der Dekorring 8 am inneren Rand mit einer leicht vorstehenden Rippe 20 versehen und stützt er sich mittels eines Stegs 21 auf einem Distanzring 22 ab, der den Dekorring 8 einerseits und den gehäuseseitigen Teil 9 des Rahmens 6 sowie den Randsteg 12 der Glasscheibe 7 andererseits auf Abstand hält. In dem Zwischenraum zwischen Distanzring 22 und Rippe 20 hat ein leicht gekröpfter Rand der Schutzscheibe 19 Platz. Der Dekorring 8 ist in diesem Falle durch eine Rastrippe 23 an einem Hinterschnitt des gehäuseseitigen Teils 9 des Rahmens 6 gehalten.At a door according to Fig. 4 is for additional improvement of the sight and to protect against interference with the cup-shaped glass 7, which can be up to 90 ° C warm in operation of the dryer, a protective plate 19 is provided together with the outer part (decorative ring 8) of the frame. 6 is held. For this purpose, the decorative ring 8 is provided at the inner edge with a slightly protruding rib 20 and it is supported by a web 21 on a spacer ring 22 from the decorative ring 8 on the one hand and the housing-side part 9 of the frame 6 and the edge web 12 of the glass pane 7 on the other keeps at a distance. In the space between the spacer ring 22 and rib 20 has a slightly cranked edge of the shield 19 space. The decorative ring 8 is held in this case by a locking rib 23 on an undercut of the housing-side part 9 of the frame 6.

Bezugszeichen

1
Gehäuse
2
Frontseite
3
Tür
4
Griff
5
Scharnier
6
Rahmen
7
Glasscheibe
8
Dekorring
9
gehäuseseitiger Teil (des Rahmens 6)
10
Rippen (des Dekorrings 8)
11
Rippen (des gehäuseseitigen Teils 9)
12
Randsteg
13
Dichtung
14
Dichtungsrippen
15
lippenartiger Ring
16
Absatz der Dichtung
17
Innenseite (des gehäuseseitigen Teils)
18
spitzwinkliger Bereich
19
Schutzscheibe
20
Rippe (des Dekorrings)
21
Steg (des Dekorrings)
22
Distanzring
23
Rastrippe
34
Ringabschnitt
reference numeral
1
casing
2
front
3
door
4
Handle
5
hinge
6
frame
7
pane
8th
decorative ring
9
housing-side part (frame 6)
10
Ribs (the decoration 8)
11
Ribs (of the housing-side part 9)
12
edge web
13
poetry
14
sealing ribs
15
lip-like ring
16
Paragraph of the seal
17
Inside (of the housing-side part)
18
acute-angled area
19
windscreen
20
Rib (of the decoration ring)
21
Bridge (of the decoration ring)
22
spacer
23
locking rib
34
ring section

Claims (6)

  1. Door (3) for a laundry drier or washer/drier for closing a loading opening, which is arranged at least approximately vertically in a housing (1), with a mount (8, 9), which in a door frame (6) engages around the edge (12) of a glass pane (7), and a seal (13) of resilient material arranged to secure against issue of moisture in the mounting region of the glass pane (7), wherein the mount (8, 9) has two parts (8, 9) comprising a part (9) at the housing side and the seal (13) is formed at the part (9) of the mount at the housing side and rests by a lip-shaped ring (15) on the inner surface of the glass pane (7), characterised in that the lip-shaped ring (15) has a cross-section which is formed similarly to an acute-angle triangle and which extends by its acute-angled region (18) towards the centre of the glass pane (7) and rests against the glass pane (7).
  2. Door according to claim 1, characterised in that the mount (8, 9) engages around the edge (12) by a holder and/or by the part (9) at the housing side.
  3. Door (3) according to claim 1 or claim 2, characterised in that the seal (13) has an annular section (24) which is clamped in axial direction of the door (3) between the part (9) of the mount at the housing side and the edge (12) of the glass pane (7).
  4. Door (3) according to claim 1 or claim 2, characterised in that the seal (13) is integrally connected with the part (9) at the housing side.
  5. Door (3) according to claim 3, characterised in that the outer periphery of the annular section (24) has an annular protrusion (16) which contacts the inner side (17) of the part (9) at the housing side.
  6. Door (3) according to claim 5, characterised in that the seal (13) is injection-moulded on the part (9) at the housing side.
EP06708481A 2005-05-20 2006-02-23 Door for a clothes drier or washer-drier Active EP1899524B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005023445A DE102005023445A1 (en) 2005-05-20 2005-05-20 Door for a laundry drying machine
PCT/EP2006/060227 WO2006122841A1 (en) 2005-05-20 2006-02-23 Cloth drier door

Publications (2)

Publication Number Publication Date
EP1899524A1 EP1899524A1 (en) 2008-03-19
EP1899524B1 true EP1899524B1 (en) 2009-08-26

Family

ID=36370860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06708481A Active EP1899524B1 (en) 2005-05-20 2006-02-23 Door for a clothes drier or washer-drier

Country Status (8)

Country Link
US (1) US20090165391A1 (en)
EP (1) EP1899524B1 (en)
KR (1) KR101257129B1 (en)
CN (1) CN101198738B (en)
AT (1) ATE440992T1 (en)
DE (2) DE102005023445A1 (en)
EA (1) EA012076B1 (en)
WO (1) WO2006122841A1 (en)

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Also Published As

Publication number Publication date
WO2006122841A1 (en) 2006-11-23
DE502006004672D1 (en) 2009-10-08
EA200702252A1 (en) 2008-04-28
DE102005023445A1 (en) 2006-11-23
KR20080010416A (en) 2008-01-30
CN101198738B (en) 2011-07-20
EA012076B1 (en) 2009-08-28
CN101198738A (en) 2008-06-11
US20090165391A1 (en) 2009-07-02
KR101257129B1 (en) 2013-05-02
EP1899524A1 (en) 2008-03-19
ATE440992T1 (en) 2009-09-15

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