EP2094895B1 - Appareil ménager à débit d'eau avec un récipient de traitement composé d'au moins deux éléments structurels - Google Patents

Appareil ménager à débit d'eau avec un récipient de traitement composé d'au moins deux éléments structurels Download PDF

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Publication number
EP2094895B1
EP2094895B1 EP07822276A EP07822276A EP2094895B1 EP 2094895 B1 EP2094895 B1 EP 2094895B1 EP 07822276 A EP07822276 A EP 07822276A EP 07822276 A EP07822276 A EP 07822276A EP 2094895 B1 EP2094895 B1 EP 2094895B1
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EP
European Patent Office
Prior art keywords
components
mechanical connection
connection
sealing element
domestic appliance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP07822276A
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German (de)
English (en)
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EP2094895A1 (fr
Inventor
Alexander BÜHLMEYER
Werner Haltmayer
Cengiz Kücük
Manfred Seessle
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
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL07822276T priority Critical patent/PL2094895T3/pl
Publication of EP2094895A1 publication Critical patent/EP2094895A1/fr
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Publication of EP2094895B1 publication Critical patent/EP2094895B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4246—Details of the tub
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/421—Safety arrangements for preventing water damage
    • 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 water-conducting household appliance, in particular a dishwasher, with a treatment container which is composed of at least two components made of different materials.
  • the treatment container of dishwashers is usually made of a stainless steel.
  • the treatment tank often consists of at least two components.
  • the so-called container shell forms the side walls and the roof of a container hood of the treatment container and is connected, for example, with a separately formed rear wall, which is also part of the container hood.
  • This composite is finally connected to a rinse tub.
  • the components of the treatment tank are made of a high-grade chrome-nickel (Cr-Ni) steel, which is relatively expensive.
  • Cr-Ni chrome-nickel
  • the use of chromium nickel steel ensures that the corrosion resistance is also ensured in areas of mechanical connection between the container shell and the rear wall, usually via a weld.
  • a treatment container for a dishwasher in which the connection of the container roof and the container bottom pan takes place in each case with the side walls via a fold with inserted seal.
  • the sealing effect ie a seal of a gap between the two components is carried out by a squeezing. It is questionable whether the sealing element can be pressed in the direction shown in the figures in the direction of the interior of the treatment container. It is also questionable whether the sealing element is not squeezed in the manner shown in the figures by the crimping in the region of the abutting components. Furthermore, it should be considered whether the sealing element on the side facing the Spülrauminneren intimately against the component walls, so that the desired seal is actually achieved.
  • connection technology is shown in more detail, wherein the mechanical connection takes place in each case using a separate holding element, which in each case has an independent mechanical connection with the edge portions of the components to be joined.
  • the holding elements are not arranged on the side protected against moisture.
  • connection technologies using a separate holding element for connecting two mechanically separated components are further from the DE 812 130 known.
  • connection technologies shown and described there in the figures are not all suitable for the use of water-conducting household appliances.
  • connection of two metal components is known, wherein the mechanical connection is carried out using a laser welding. Furthermore, a sealing element is provided in a different section of the connection from the welding area.
  • a dishwasher in which at the front end of the container hood a corrosion-resistant part is arranged with a sealing function for rinsing liquid.
  • a dishwashing machine in which a part of a treatment container made of plastic is provided with a metallic appearance in order to visually enhance this.
  • the WO 2006/010743 A1 discloses a dishwasher in which the treatment container is composed of different parts.
  • a dishwashing machine which has at the front of its treatment container a frame part, which is positively connected to a container shell of the treatment container.
  • a dishwasher in which a drain pan is pressed into a container bottom.
  • the object of the present invention is to provide a water-conducting household appliance with a treatment container of at least two components, in which a crevice corrosion in the range of mechanically interconnected components can be reliably prevented.
  • each of the two components has an edge portion, via which a mechanical connection of the two components is made, wherein the mechanical connection is made in a protected against moisture section.
  • the mechanical connection is sealed by means of a sealing element on the side of the treatment tank facing the interior of the washing compartment, so that a space between the two components exposed to moisture, which has a capillary effect, is prevented, ie. a capillary gap-free design is achieved.
  • the two components to be connected to one another may be, for example, the container roof and the side walls and / or the side walls and the washing tub and / or the side walls and the rear wall and / or two-part side walls and the like.
  • the mechanical connection of the first and the second component takes place in the region of orthogonally meeting surfaces of the components, wherein the sealing element is arranged in a corner region and wherein the sealing element by the first and the second component in the direction of the Spülrauminneren side facing away from the corner at least partially , preferably intimately, is enclosed.
  • This special connection technology for example between the container roof and side walls or container roof and rear wall of the treatment container allows a visually particularly homogeneous impression, a particularly simple installation and a particularly good protection against crevice corrosion.
  • the mechanical connection can be formed according to an embodiment of the invention by a welded connection, an adhesive connection, a folded connection, a clamping connection or a flange. It is essential here that the mechanical connection of the two components is made in a protected against moisture section.
  • the sealing element must therefore be arranged in an area in front of the mechanical connection.
  • the mechanical connection can be formed in one embodiment in a region of overlapping edge portions of the components to be joined together.
  • This connection technology allows a particularly simple production, since, for example, a welded or an adhesive connection can be used.
  • the mechanical connection is performed using a holding element, which each has an independent mechanical connection with the edge portions of the components to be joined.
  • the mechanical connection of the retaining element to the edge portions of the components to be connected can be done either by a welded or adhesive connection or preferably by a purely mechanical connection in the form of a fold, a clamp or a flange.
  • this connection technology has the advantage that the visible to the user interior of the treatment container is essentially equipped with a smooth surface.
  • connection between the components makes itself felt only by the visible sealing element for sealing a capillary effect having a gap between the components.
  • the second variant may require a greater depth in comparison to the first-mentioned variant, so that the outer housing of the water-conducting device has a greater distance from the treatment vessel.
  • the sealing element between the first and the second component is clamped under application of a force, so that the sealing element bears intimately against the opposing surfaces of the components.
  • the force is thereby applied by the mechanical connection of the first and second components.
  • the clamping process ensures that squeezing of the sealing element during the production of the mechanical connection between the first and the second component can not occur, so that an intimate contact of the sealing element on the opposite surfaces of the Components results. As a result, a gap having a capillary effect can be reliably avoided.
  • the sealing element may be provided to arrange the sealing element in a recess of the first and / or second component adapted to the cross-section thereof. This results in a particularly simple production, since the seat of the sealing element is determined from the outset due to the shape of the component or components. On the other hand, by sinking a part of the sealing element an improved visual impression for a user of the water-bearing household appliance can be ensured.
  • a further embodiment provides that the profile of the overlapping of the edge portions of the first and the second component in the region of the side walls is horizontal and the overlap of the edge portions is such that the edge portion of the running in the direction of the container roof part of the Spipporauminneren and the edge portion of the Container bottom extending component facing the Spülraumauseren, so that the arranged between the edge portions sealing element is oriented towards the bottom pan. Due to the rinsing fluid running in the direction of the rinsing tub, the sealing element does not need to exert any actual sealing function with respect to the rinsing fluid. It must primarily counteract the capillary forces, which is particularly easy as the seal is placed in a moisture-proof area.
  • a further embodiment provides that the seal bears against a fold formed on the edge section. This ensures that the, e.g. by a punching or cutting process resulting end faces of the components, which are particularly susceptible to rust, not facing the Spülrauminneren. This results in an improved rust protection. In addition, it is ensured that there are no sharp edges in the interior of the dishwasher accessible to the user.
  • Fig. 1 is a section of a treatment container of a water-conducting household appliance shown.
  • a component 10 which represents, for example, a side wall of the treatment container, is made of a simple chrome steel, which is connected to a second component 20, a, for example, chromium-nickel steel or plastic rinse tub.
  • the reference numeral 50 indicates the Spülrauminninnere the treatment tank.
  • the first component 10 has an edge portion 11 and the second component 20 has an edge portion 21.
  • an overlap of the two components takes place, which is characterized by the arrow provided with the reference numeral B.
  • the mechanical connection of the two components 10, 20 takes place, wherein this is carried out in a moisture-protected section.
  • the connection at the point indicated by the reference numeral 31 can take place, for example, by means of a welded or glued connection.
  • the component 10 is provided with a fold 13 in the region directed downwards towards the component 20. Between the surface formed by the fold 13 and an opposite surface 26 in the edge portion 21 of the component 20, a sealing element 30, for example made of rubber, rubber or plastic, is clamped.
  • the sealing element which bears intimately against the surfaces 16, 26, prevents ingress of liquid in the direction of the mechanical connection point (reference numeral 31).
  • the sealing element prevents a direct contiguity of the components made of different corrosion-resistant materials 10, 20. If the components 10, 20 are mechanically connected directly in the region of the sealing element 30, would without the provision of further sealing measures on the container interior 50 side facing a Interspace be formed, in which due to the capillary effect could penetrate rinsing liquid. Over a longer period of time, this could result in rust, in particular in the less corrosion-resistant material, which on the one hand would impair the visual impression of the interior of the washing compartment and, on the other hand, the functionality.
  • the sealing member 30 at the position shown in the figure thus prevents the formation of a gap between the two components 10, 20, whereby crevice corrosion is effectively prevented.
  • the per se unfavorable connection method of welding can also be used between chrome steel and chrome nickel steel.
  • FIG. 2 shows a further embodiment of a compound of the two components 10, 20, which, as in the embodiment described above, consist of two different materials.
  • Each of the components 10, 20 has a fold 13, 23 into which the ends 41, 42 of a holding element 40 engage.
  • the holding element 40 is arranged on the side facing away from the Spülrauminneren 50 side of the treatment vessel.
  • the prone to corrosion region between the fold 13 and the end 41 of the holding member 40 and the fold 23 and the end 42 of the holding member 40 is thereby reliably protected from moisture.
  • the mechanical connection between the ends 41, 42 and the folded ends 13, 23 the components 10, 20 can be effected by a clamping, gluing or welding connection.
  • a sealing element 30 is provided, which is clamped between the folded ends of the folds (surfaces 16, 26).
  • the force applied by the holding element for connecting the components 10, 20 and thus for clamping and deforming the sealing element 30 is just so great that an intimate contact of the sealing element 30 with the surfaces 16, 26 takes place, but squeezing off or shearing off the sealing element excluded is.
  • the turn of rubber, plastic or rubber or other suitable material existing sealing element may be formed in its original cross-section round, elliptical or already provided with constrictions.
  • FIG. 3 Another embodiment is in the Fig. 3 shown.
  • the connection of the first component 10 and the second component 20 takes place here in a corner region 52 of the treatment container.
  • the sealing element 30 is thus arranged on the Spül inconvenienceerinneren 50 facing corner, for example between the container wall and container roof or container wall and rinse tub.
  • the second component 20 is provided, for example, with a recess 24, which is adapted to the cross-sectional shape of the sealing element 30.
  • the sealing element 30 is inserted into the recess 24 and lies intimately against the wall of the recess 24 (reference numeral 26).
  • the component 10 is mechanically connected in the exemplary embodiment via a flange 32 with the component 20.
  • other joining technologies such as gluing, welding, folding or other would be considered.
  • the component 10 is L-shaped, whereby the component portion 14 causes a deformation of the sealing element 30, whereby an intimate connection of the surface 16 is effected with the sealing element 30. Due to this construction, the penetration of moisture or rinsing liquid out of the washing compartment interior 50 in the direction of the mechanical fastening is reliably prevented, whereby a crevice corrosion occurring in the overlap region B is prevented.
  • connection technologies described in the embodiments come into consideration, in which it is ensured that the components to be interconnected in the interior of the Spülrauminneren have no direct, direct contact with each other, but about a sealing element are interconnected.
  • the described embodiments have the common feature that the mechanical connection is located in a moisture-free area. As a result, in a region shielded by the sealing element against moisture, a mechanical connection can take place by means of any connection technology, regardless of whether or not it is suitable in principle for humid environments.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Cookers (AREA)
  • Gasket Seals (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Water Treatment By Sorption (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Food-Manufacturing Devices (AREA)
  • Closures For Containers (AREA)
  • Table Devices Or Equipment (AREA)
  • Washing And Drying Of Tableware (AREA)

Claims (9)

  1. Appareil ménager à débit d'eau, notamment lave-vaisselle, comprenant un réservoir de traitement qui est composé d'au moins deux éléments de construction (10, 20) en différentes matières, dans lequel
    - chacun des deux éléments de construction (10, 20) présente une section de bord (11, 21) par l'intermédiaire de laquelle une liaison mécanique (31, 40, 32) des deux éléments de construction (10, 20) est réalisée, la liaison mécanique étant réalisée dans une section (51) protégée de l'humidité provenant de l'intérieur de la chambre de lavage (50) du réservoir de traitement,
    - l'étanchéité à l'humidité de la liaison mécanique (31, 40, 32) étant réalisée au moyen d'un élément d'étanchéité (30) sur le côté tourné vers l'intérieur de la chambre de lavage (50) du réservoir de traitement, de telle manière qu'un espace intermédiaire exposé à l'humidité, présentant un effet capillaire, entre les deux éléments de construction (10, 20) est empêché,
    caractérisé en ce que
    - la liaison mécanique (31, 40, 32) du premier et du second éléments de construction (10, 20) se produit dans la partie de surfaces, se touchant essentiellement de manière orthogonale, des éléments de construction et en ce que l'élément d'étanchéité (30) est disposé dans une zone en coin (52) du réservoir de traitement, l'élément d'étanchéité étant entouré au moins en partie par le premier et le second éléments de construction en direction du côté, détourné de l'intérieur de la chambre de lavage (50), du coin.
  2. Appareil ménager selon la revendication 1, caractérisé en ce que la liaison mécanique (31, 40, 32) est formée dans une partie de sections de bord (B) se chevauchant des deux éléments de construction (10, 20) à raccorder.
  3. Appareil ménager selon la revendication 1, caractérisé en ce que la liaison mécanique (31, 40, 32) est réalisée en utilisant un élément de maintien (40), lequel présente respectivement une propre liaison mécanique (11, 41, 21, 42) avec les sections de bord (11, 21) des deux éléments de construction (10, 20) à raccorder.
  4. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que la liaison mécanique (31, 40, 32) est formée par une liaison par soudure, une liaison par collage, une liaison par pliage, une liaison par serrage ou par un ourlet.
  5. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'étanchéité (30) est serré entre le premier et le second éléments de construction (10, 20) par application d'une force, de sorte que l'élément d'étanchéité (30) est adjacent intimement aux surfaces (16, 26) opposées des éléments de construction.
  6. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que l'élément d'étanchéité (30) est disposé dans un approfondissement (24) adapté à la section du premier et/ou du second éléments de construction.
  7. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que l'allure du chevauchement des sections de bord (11, 21) du premier et du second éléments de construction (10, 20) s'étend essentiellement de manière horizontale dans la partie des parois latérales du réservoir de traitement, et en ce que la section de bord du premier élément de construction, s'étendant en direction du toit du réservoir, est tournée vers l'intérieur de la chambre de lavage et en ce que la section de bord du second élément de construction, s'étendant en direction du fond du réservoir, est tournée vers l'extérieur de la chambre de lavage.
  8. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que le joint (30) est adjacent à un pli (13) formé sur la section de bord (11) de l'un des deux éléments de construction (10, 20).
  9. Appareil ménager selon l'une quelconque des revendications précédentes, caractérisé en ce que les éléments de construction (10, 20) à raccorder entre eux sont fabriqués dans l'une des matières suivantes : acier au chrome (Cr), acier au chrome-nickel (CrNi) ou matière plastique.
EP07822276A 2006-11-23 2007-11-07 Appareil ménager à débit d'eau avec un récipient de traitement composé d'au moins deux éléments structurels Active EP2094895B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07822276T PL2094895T3 (pl) 2006-11-23 2007-11-07 Używające wodę urządzenie gospodarstwa domowego ze zbiornikiem do obróbki złożonym z co najmniej dwóch elementów konstrukcyjnych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006055347A DE102006055347A1 (de) 2006-11-23 2006-11-23 Wasserführendes Haushaltsgerät mit einem aus zumindest zwei Bauteilen zusammengesetzten Behandlungsbehälter
PCT/EP2007/061960 WO2008061878A1 (fr) 2006-11-23 2007-11-07 Appareil ménager à débit d'eau avec un récipient de traitement composé d'au moins deux éléments structurels

Publications (2)

Publication Number Publication Date
EP2094895A1 EP2094895A1 (fr) 2009-09-02
EP2094895B1 true EP2094895B1 (fr) 2011-03-23

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EP07822276A Active EP2094895B1 (fr) 2006-11-23 2007-11-07 Appareil ménager à débit d'eau avec un récipient de traitement composé d'au moins deux éléments structurels

Country Status (8)

Country Link
US (1) US9005370B2 (fr)
EP (1) EP2094895B1 (fr)
KR (1) KR20090087870A (fr)
CN (1) CN101529008B (fr)
AT (1) ATE503051T1 (fr)
DE (2) DE102006055347A1 (fr)
PL (1) PL2094895T3 (fr)
WO (1) WO2008061878A1 (fr)

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DE102007031478A1 (de) * 2007-07-06 2009-01-08 BSH Bosch und Siemens Hausgeräte GmbH Systembaukasten für Geschirrspüler-Innenbehälter
DE102007041314B4 (de) * 2007-08-31 2014-08-21 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zur Herstellung eines wasserführenden Haushaltsgeräts sowie wasserführendes Haushaltsgerät
JP5141697B2 (ja) * 2010-01-26 2013-02-13 パナソニック株式会社 食器洗い機
DE102011004056A1 (de) 2011-02-14 2012-08-16 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine und Verfahren zum Herstellen eines Spülbehälters einer Geschirrspülmaschine
US9155443B2 (en) 2011-09-21 2015-10-13 Whirlpool Corporation Dishwasher with multi-piece tub
US11247351B2 (en) 2014-02-24 2022-02-15 Koninklijke Philips N.V. Rotary shaver comprising a disc-shaped element
DE102017209241B4 (de) * 2017-05-31 2022-06-09 BSH Hausgeräte GmbH Spülbehälter für eine Haushaltsgeschirrspülmaschine, Haushaltsgeschirrspülmaschine und Verfahren
DE102017209244A1 (de) 2017-05-31 2018-12-06 BSH Hausgeräte GmbH Haushaltsgeschirrspülmaschine
DE102017209824B3 (de) * 2017-06-09 2018-09-20 BSH Hausgeräte GmbH Spülbehälter, Verfahren zum Herstellen eines Spülbehälters und Haushaltsgeschirrspülmaschine
DE102019213456A1 (de) 2019-09-04 2021-03-04 BSH Hausgeräte GmbH Haushalts-Geschirrspülmaschine

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ES483274A1 (es) * 1979-08-09 1980-04-01 Balay Sa Perfeccionamientos introducidos en la construccion de los lavavajillas
DE3636437A1 (de) * 1986-10-25 1988-05-05 Licentia Gmbh Geschirrspuelmaschine
US20060054195A1 (en) * 2004-09-16 2006-03-16 Lg Electronics Inc. Dishwasher
EP1971251A1 (fr) * 2005-12-27 2008-09-24 BSH Bosch und Siemens Hausgeräte GmbH Lave-vaisselle dote d'un capot de cuve en acier peu coûteux, d'une partie d'encadrement en acier de haute qualité et d'une cuve de lavage en matiere synthetique

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Publication number Publication date
WO2008061878A1 (fr) 2008-05-29
KR20090087870A (ko) 2009-08-18
EP2094895A1 (fr) 2009-09-02
US9005370B2 (en) 2015-04-14
CN101529008B (zh) 2011-09-21
US20100132749A1 (en) 2010-06-03
DE502007006804D1 (de) 2011-05-05
PL2094895T3 (pl) 2011-08-31
CN101529008A (zh) 2009-09-09
DE102006055347A1 (de) 2008-05-29
ATE503051T1 (de) 2011-04-15

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