EP2094895A1 - Water-conducting household appliance having a treatment container assembled from at least two components - Google Patents

Water-conducting household appliance having a treatment container assembled from at least two components

Info

Publication number
EP2094895A1
EP2094895A1 EP07822276A EP07822276A EP2094895A1 EP 2094895 A1 EP2094895 A1 EP 2094895A1 EP 07822276 A EP07822276 A EP 07822276A EP 07822276 A EP07822276 A EP 07822276A EP 2094895 A1 EP2094895 A1 EP 2094895A1
Authority
EP
European Patent Office
Prior art keywords
components
household appliance
mechanical connection
sealing element
appliance according
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
EP07822276A
Other languages
German (de)
French (fr)
Other versions
EP2094895B1 (en
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.)
Filing date
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/en
Publication of EP2094895A1 publication Critical patent/EP2094895A1/en
Application granted granted Critical
Publication of EP2094895B1 publication Critical patent/EP2094895B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

  • Water-conducting household appliance with a treatment container composed of at least two components
  • 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 welded seam.
  • 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. It should also 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 each 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 also known from DE 812 130.
  • connection technologies shown and described there in the figures are not all suitable for the use of water-conducting domestic appliances.
  • connection of two metal components is also 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.
  • JP 2002239755 A A watertight connection by interengagement of each folded edge portions of two components is proposed by JP 2002239755 A. After no provided separate sealing element, the connection shown is susceptible to crevice corrosion, if this would be used in a water-conducting household appliance used.
  • 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 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 sealing of the mechanical connection takes place by means of a sealing element on the side facing the Spülrauminneren the treatment vessel, so that a moisture-exposed, a capillary effect exhibiting gap between the components is prevented, i. A capillary gap-free design is achieved.
  • the sealing element is provided to arrange the sealing element on the side facing the Spülrauminneren of the treatment tank so that such, a capillary effect exhibiting gap between the components is reliably prevented.
  • 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 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 carried out in a section protected against moisture.
  • 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 a 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 to the results in opposite surfaces of the components. 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 which is 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.
  • 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 facing away from the Spülrauminneren by the first and the second component Side corner at least partially, preferably intimately, is enclosed.
  • This particular connection technology e.g. 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.
  • 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, for example, by a punching or a 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 shows a first embodiment of a mechanical connection of two components of a treatment container of a water-conducting domestic appliance, in which the mechanical connection is formed in a region of overlapping edge portions of the components to be joined together,
  • FIG. 2 shows a second embodiment of a mechanical connection of two components of a treatment container of a water-conducting domestic appliance, in which the mechanical connection is made using a holding element
  • FIG. 3 shows a third exemplary embodiment of a mechanical connection of two components of a treatment container of a water-conducting domestic appliance, in which the mechanical connection of the two components takes place in a region of orthogonally meeting surfaces in a corner region.
  • FIG. 1 a detail of a treatment container of a water-conducting household appliance is shown.
  • a component 10 which for example represents a side wall of the treatment tank, is made of a simple chromium steel, which is connected to a second component 20, a rinsing tank consisting, for example, of chrome-nickel steel or plastic.
  • 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 reference numeral 31 Marked spot can be done 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.
  • a sealing element 30 e.g. made of rubber, rubber or plastic, trapped.
  • 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). Furthermore, the sealing element prevents a direct contiguity of the components 10, 20 consisting of different corrosion-resistant materials. If the components 10, 20 were mechanically connected directly to one another in the region of the sealing element 30, without the provision of further sealing measures on the container interior 50 Page space can be formed, in which due to the capillary effect rinsing liquid could penetrate. 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.
  • the component 10 is provided with a crank 12, whereby the edge portion 1 1 extends in the direction of the Spülrauminneren 50.
  • the component 10 in the region of the overlap region B is straight down and the component 20 is provided with a crank, which runs in the figure to the left.
  • Figure 2 shows another 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 of 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 takes place with the surfaces 16, 26, a squeezing or shearing of the sealing element however excluded.
  • 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. 1 Another embodiment is shown in FIG.
  • 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 aserinneren 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 is stechnik from the Spülrauminneren 50 safely prevented in the direction of the mechanical fastening, whereby a occurring in the overlap region B crevice corrosion is prevented.
  • connection technologies described in the exemplary embodiments come into consideration in which it is ensured that the components to be interconnected in the region of the Spülrauminneren have no direct, direct contact with each other, but are connected to each other via a sealing element.
  • 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)
  • Closures For Containers (AREA)
  • Table Devices Or Equipment (AREA)
  • Food-Manufacturing Devices (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

A water-conducting household appliance including a treatment container defining an interior of the water-conducting household appliance, the treatment container including at least two components made of different materials, wherein each of the at least two components include an edge section at which a mechanical connection is formed between the at least two components, wherein the mechanical connection is formed in a section protected against moisture, and a seal element that seals the mechanical connection on a side facing the interior of the water-conducting household appliance such that a gap exposed to moisture is formed which is free of a capillary gap.

Description

Wasserführendes Haushaltsgerät mit einem aus zumindest zwei Bauteilen zusammengesetzten Behandlungsbehälter Water-conducting household appliance with a treatment container composed of at least two components
Die Erfindung betrifft ein wasserführendes Haushaltsgerät, insbesondere eine Geschirrspülmaschine, mit einem Behandlungsbehälter, der aus zumindest zwei Bauteilen aus unterschiedlichen Materialien zusammengesetzt ist.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.
Der Behandlungsbehälter von Geschirrspülmaschinen wird üblicherweise aus einem rostfreien Edelstahl gefertigt. Der Behandlungsbehälter besteht häufig aus wenigstens zwei Bestandteilen. Der so genannte Behältermantel bildet die Seitenwände sowie das Dach einer Behälterhaube des Behandlungsbehälters aus und ist beispielsweise mit einer separat ausgebildeten Rückwand, die ebenfalls Bestandteil der Behälterhaube ist, verbunden. Dieser Verbund wird schließlich mit einer Spülwanne verbunden. Aus Gründen der Korrosionsbeständigkeit werden die Bestandteile des Behandlungsbehälters aus einem hochwertigen Chromnickel (Cr-Ni)-Stahl gefertigt, welcher verhältnismäßig teuer ist. Die Ver- wendung von Chromnickel-Stahl stellt sicher, dass die Korrosionsbeständigkeit auch in Bereichen mechanischer Verbindung zwischen dem Behältermantel und der Rückwand, üblicherweise über eine Schweißnaht, gewährleistet ist.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. For reasons of corrosion resistance, the components of the treatment tank are made of a high-grade chrome-nickel (Cr-Ni) steel, which is relatively expensive. 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 welded seam.
Aus fertigungstechnischer Sicht wäre es bevorzugt, wenn wesentliche Bestandteile des Behandlungsbehälters aus dem einfacheren Chrom(Cr)-Stahl gefertigt werden könnten, da dann die Kosten der Herstellung reduziert werden können. Die Problematik bei der Verbindung von Chrom-Stahl mit Chromnickel-Stahl über eine Schweißung besteht darin, dass bei wasserführenden Haushaltsgeräten, wie einer Geschirrspülmaschine, so genannte Spaltkorrosion im Verbindungsbereich auftreten kann. Das Auftreten von Spaltkor- rosion ist ebenfalls bereits dann möglich, wenn die gesamte Behälterhaube aus einem Chrom-Stahl-Verbund gefertigt wird.From a manufacturing point of view, it would be preferable if essential components of the treatment container could be made of the simpler chromium (Cr) steel, since then the cost of production can be reduced. The problem with the connection of chromium steel with chrome nickel steel via a weld is that with water-bearing household appliances, such as a dishwasher, so-called crevice corrosion can occur in the connection area. The occurrence of crevice corrosion is also already possible if the entire container hood is made of a chromium-steel composite.
Zur Vermeidung von Spaltkorrosion werden deshalb besondere Verbindungstechnologien der zwei Bauteile des Behandlungsbehälters des wasserführenden Haushaltsgeräts benö- tigt. Aus der FR 2 396 603 ist ein Behandlungsbehälter für eine Geschirrspülmaschine bekannt, bei der die Verbindung des Behälterdachs sowie der Behälterbodenwanne jeweils mit den Seitenwänden über eine Falzung mit eingelegter Dichtung erfolgt. Der Dichteffekt, d.h. eine Abdichtung eines Spaltes zwischen den zwei Bauteilen erfolgt dabei durch einen Quetschvorgang. Hierbei ist fraglich, ob sich das Dichtelement in der in den Figuren ge- zeigten Weise in Richtung des Inneren des Behandlungsbehälters pressen lässt. Es ist weiterhin fraglich, ob das Dichtelement in der in den Figuren gezeigten Weise nicht durch den Quetschvorgang im Bereich der aneinander stoßenden Bauteile abgequetscht wird. Ferner ist zu bedenken, ob sich das Dichtelement auf der im Spülrauminneren zugewandten Seite innig an die Bauteilwandungen anlegt, so dass die gewünschte Dichtung tat- sächlich erzielt ist.To avoid crevice corrosion, therefore, special connection technologies of the two components of the treatment container of the water-bearing domestic appliance are required. From FR 2 396 603 a treatment container for a dishwasher is known, 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. It should also 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.
Aus der US 3,545,147 sowie der US 3,213,583 sind Verbindungstechnologien für Caravan-Dächer bekannt. In den jeweiligen Figuren 7 ist die Verbindungstechnologie näher dargestellt, wobei die mechanische Verbindung jeweils unter Verwendung eines separa- ten Halteelements erfolgt, welches jeweils eine eigenständige mechanische Verbindung mit den Randabschnitten der zu verbindenden Bauteile aufweist. Im Gegensatz zur Verbindung eines Behandlungsbehälters eines wasserführenden Haushaltsgeräts sind die Halteelemente jedoch nicht auf der gegenüber Feuchtigkeit geschützten Seite angeordnet.From US 3,545,147 and US 3,213,583 connection technologies for caravan roofs are known. In the respective figures 7, the connection technology is shown in more detail, wherein the mechanical connection takes place in each case using a separate holding element, which each has an independent mechanical connection with the edge portions of the components to be joined. However, in contrast to the connection of a treatment container of a water-conducting household appliance, the holding elements are not arranged on the side protected against moisture.
Verschiedene Verbindungstechnologien unter Verwendung eines separaten Halteelements zur Verbindung zweier mechanisch voneinander getrennter Bauteile sind ferner aus der DE 812 130 bekannt. Die dort in den Figuren dargestellten und beschriebenen Verbindungstechnologien eignen sich jedoch allesamt nicht für den Einsatz von wasser- führenden Haushaltsgeräten.Various connection technologies using a separate holding element for connecting two mechanically separated components are also known from DE 812 130. However, the connection technologies shown and described there in the figures are not all suitable for the use of water-conducting domestic appliances.
Aus der JP 08155564 ist ferner die Verbindung zweier metallischer Bauteile bekannt, wobei die mechanische Verbindung unter Verwendung einer Laserschweißung erfolgt. Ferner ist ein Dichtelement in einem von dem Schweißbereich unterschiedlichen Abschnitt der Verbindung vorgesehen.From JP 08155564, the connection of two metal components is also 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.
Eine wasserdichte Verbindung durch ein Ineinandergreifen jeweils umgefalzter Randabschnitte zweier Bauteile wird durch die JP 2002239755 A vorgeschlagen. Nachdem kein separates Dichtelement vorgesehen ist, ist die gezeigte Verbindung anfällig gegenüber einer Spaltkorrosion, sofern diese in einem wasserführenden Haushaltsgerät zum Einsatz gebracht würde.A watertight connection by interengagement of each folded edge portions of two components is proposed by JP 2002239755 A. After no provided separate sealing element, the connection shown is susceptible to crevice corrosion, if this would be used in a water-conducting household appliance used.
Die Aufgabe der vorliegenden Erfindung besteht deshalb darin, ein wasserführendes Haushaltsgerät mit einem Behandlungsbehälter aus zumindest zwei Bauteilen anzugeben, bei dem eine Spaltkorrosion im Bereich der miteinander mechanisch verbundenen Bauteile zuverlässig verhindert werden kann.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.
Diese Aufgabe wird mit einem wasserführenden Haushaltsgerät mit den Merkmalen des Patentanspruches 1 gelöst. Vorteilhafte Ausgestaltungen ergeben sich aus den abhängigen Patentansprüchen.This object is achieved with a water-conducting household appliance with the features of claim 1. Advantageous embodiments will be apparent from the dependent claims.
Bei dem erfindungsgemäßen wasserführenden Haushaltsgerät weist jedes der Bauteile einen Randabschnitt auf, über welchen eine mechanische Verbindung der zwei Bauteile vorgenommen ist, wobei die mechanische Verbindung in einem gegenüber Feuchtigkeit geschützten Abschnitt vorgenommen ist. Die Abdichtung der mechanischen Verbindung erfolgt mittels eines Dichtelements auf der dem Spülrauminneren des Behandlungsbehälters zugewandten Seite, so dass ein Feuchtigkeit ausgesetzter, einen Kapillareffekt aufweisender Zwischenraum zwischen den Bauteilen unterbunden ist, d.h. es wird eine kapi- larspaltfreie Ausführung erreicht. Nachdem der Behandlungsbehälter aus zumindest zwei Bauteilen aus unterschiedlichen Materialien, die insbesondere hinsichtlich ihrer Rostbeständigkeit unterschiedliche Eigenschaften aufweisen, hergestellt werden soll, muss der Art der Abdichtung und der damit einhergehenden Verbindungstechnologie besondere Aufmerksamkeit geschenkt werden. Nachdem die Gefahr von Korrosion insbesondere durch eine Spaltbildung und die damit verbundenen Kapillareffekte auftritt, ist vorgesehen, das Dichtelement derart auf der dem Spülrauminneren des Behandlungsbehälters zugewandten Seite anzuordnen, dass ein solcher, einen Kapillareffekt aufweisender Zwischenraum zwischen den Bauteilen sicher unterbunden ist.In the water-conducting household appliance according to the invention, each of the 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 sealing of the mechanical connection takes place by means of a sealing element on the side facing the Spülrauminneren the treatment vessel, so that a moisture-exposed, a capillary effect exhibiting gap between the components is prevented, i. A capillary gap-free design is achieved. After the treatment container of at least two components made of different materials, which have different properties, in particular with regard to their rust resistance, should be produced, the type of sealing and the associated connection technology must be given special attention. After the risk of corrosion occurs, in particular by a gap formation and the associated capillary effects, it is provided to arrange the sealing element on the side facing the Spülrauminneren of the treatment tank so that such, a capillary effect exhibiting gap between the components is reliably prevented.
Bei den miteinander zu verbindenden zwei Bauteilen kann es sich beispielsweise um das Behälterdach und die Seitenwände und/oder die Seitenwände und die Spülwanne und/oder die Seitenwände und die Rückwand und/oder zweigeteilte Seitenwände und dergleichen handeln. - A -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. - A -
Die mechanische Verbindung kann gemäß einer Ausgestaltung der Erfindung durch eine Schweißverbindung, eine Klebeverbindung, eine Falzverbindung, eine Klemmverbindung oder eine Bördelung gebildet sein. Wesentlich ist hierbei, dass die mechanische Verbindung der zwei Bauteile in einem gegenüber Feuchtigkeit geschützten Abschnitt vorge- nommen ist. Das Dichtelement muss damit in einem Bereich vor der mechanischen Verbindung angeordnet sein.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 carried out in a section protected against moisture. The sealing element must therefore be arranged in an area in front of the mechanical connection.
Die mechanische Verbindung kann in einer Ausgestaltung in einem Bereich sich überlappender Randabschnitte der miteinander zu verbindenden Bauteile gebildet sein. Diese Verbindungstechnologie ermöglicht eine besonders einfache Herstellung, da beispielsweise eine Schweiß- oder eine Klebeverbindung zum Einsatz kommen kann. In einer anderen Ausgestaltung erfolgt die mechanische Verbindung unter Verwendung eines Halteelements, welches jeweils eine eigenständige mechanische Verbindung mit den Randabschnitten der zu verbindenden Bauteile aufweist. Die mechanische Verbindung des Halte- elements zu den Randabschnitten der zu verbindenden Bauteile kann wahlweise durch eine Schweiß- oder Klebeverbindung oder bevorzugt durch eine rein mechanische Verbindung in Form eines Falzes, einer Klemmung oder einer Bördelung erfolgen. Gegenüber der erstgenannten Variante weist diese Verbindungstechnologie den Vorteil auf, dass der für den Nutzer sichtbare Innenraum des Behandlungsbehälters im wesentlichen mit einer glatten Oberfläche ausgestattet ist. Die Verbindung zwischen den Bauteilen macht sich lediglich durch das sichtbare Dichtelement zur Abdichtung eines einen Kapillareffekt aufweisenden Zwischenraums zwischen den Bauteilen bemerkbar. Andererseits benötigt die zweite Variante im Vergleich zur erstgenannten Variante gegebenenfalls eine größere Tiefe, so dass das Außengehäuse des wasserführenden Gerätes einen größeren Abstand zum Behandlungsbehälter aufweist.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. In another embodiment, 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. Compared with the first-mentioned variant, this connection technology has the advantage that the visible to the user interior of the treatment container is essentially equipped with a smooth surface. The connection between the components makes itself felt only by the visible sealing element for sealing a capillary effect having a gap between the components. On the other hand, 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.
Besonders bevorzugt ist es, wenn das Dichtelement zwischen dem ersten und dem zweiten Bauteil unter Aufwendung einer Kraft eingeklemmt ist, so dass das Dichtelement innig an den sich gegenüberliegenden Flächen der Bauteile anliegt. Die Kraft wird hierdurch durch die mechanische Verbindung des ersten und zweiten Bauteils aufgebracht. Der Klemmvorgang stellt dabei sicher, dass ein Abquetschen des Dichtelementes während der Herstellung der mechanischen Verbindung zwischen dem ersten und dem zweiten Bauteil nicht auftreten kann, so dass sich eine innige Anlage des Dichtelementes an den sich gegenüberliegenden Flächen der Bauteile ergibt. Hierdurch kann zuverlässig ein einen Kapillareffekt aufweisender Zwischenraum vermieden werden.It is particularly preferred if 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 a 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 to the results in opposite surfaces of the components. As a result, a gap having a capillary effect can be reliably avoided.
Gemäß einer weiteren Ausgestaltung kann vorgesehen sein, das Dichtelement in einer an deren Querschnitt angepassten Vertiefung des ersten und/oder zweiten Bauteils anzuord- nen. Hierdurch ergibt sich eine besonders einfache Fertigung, da der Sitz des Dichtelementes von vornherein aufgrund der Form des oder der Bauteile festgelegt ist. Andererseits kann durch ein Versenken eines Teiles des Dichtelements ein verbesserter optischer Eindruck für einen Nutzer des wasserführenden Haushaltsgeräts sichergestellt werden.According to a further embodiment, it may be provided to arrange the sealing element in a recess of the first and / or second component which is 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.
In einer weiteren Ausgestaltung der Erfindung erfolgt die mechanische Verbindung des ersten und des zweiten Bauteils im Bereich orthogonal aufeinander treffender Flächen der Bauteile, wobei das Dichtelement in einem Eckbereich angeordnet ist und wobei das Dichtelement durch das erste und das zweite Bauteil in Richtung der vom Spülrauminneren abgewandten Seite Ecke wenigstens teilweise, vorzugsweise innig, umschlossen ist. Diese besondere Verbindungstechnologie, z.B. zwischen Behälterdach und Seitenwänden bzw. Behälterdach und Rückwand des Behandlungsbehälters ermöglicht einen optisch besonders homogenen Eindruck, eine besonders einfache Montage sowie einen besonders guten Schutz gegen Spaltkorrosion.In a further embodiment of the invention, 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 facing away from the Spülrauminneren by the first and the second component Side corner at least partially, preferably intimately, is enclosed. This particular connection technology, e.g. 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.
Eine weitere Ausgestaltung sieht vor, dass der Verlauf der Überlappung der Randabschnitte des ersten und des zweiten Bauteils im Bereich der Seitenwände horizontal ist und die Überlappung der Randabschnitte derart ist, dass der Randabschnitt des in Richtung Behälterdach verlaufenden Bauteils des Spülrauminneren und der Randabschnitt des in Richtung Behälterboden verlaufenden Bauteils im Spülraumäußeren zugewandt ist, so dass das zwischen den Randabschnitten angeordnete Dichtelement in Richtung Bodenwanne orientiert ist. Das Dichtelement braucht dabei aufgrund der in Richtung Spülwanne laufenden Spülflüssigkeit keine eigentliche Abdichtfunktion gegenüber der Spülflüssigkeit auszuüben. Sie muss primär den Kapillarkräften entgegenwirken, was besonders einfach ist, da die Dichtung in einem gegenüber Feuchtigkeit angeordneten Bereich platziert ist.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 Spülrauminneren 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.
Eine weitere Ausgestaltung sieht vor, dass die Dichtung an einem an dem Randabschnitt ausgebildeten Falz anliegt. Hierdurch ist sichergestellt, dass die, z.B. durch eine Stanzung oder einen Schneidvorgang entstehenden Stirnseiten der Bauteile, welche besonders gegenüber Rost anfällig sind, nicht dem Spülrauminneren zugewandt sind. Hierdurch ergibt sich ein verbesserter Rostschutz. Darüber hinaus ist sichergestellt, dass keine scharfen Kanten im für den Benutzer zugänglichen Spülrauminneren vorliegen.A further embodiment provides that the seal bears against a fold formed on the edge section. This ensures that, for example, by a punching or a 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.
Die Erfindung wird nachfolgend anhand der Figuren näher erläutert. Es zeigen:The invention will be explained in more detail with reference to FIGS. Show it:
Fig. 1 ein erstes Ausführungsbeispiel einer mechanischen Verbindung zweier Bauteile eines Behandlungsbehälters eines wasserführenden Haushaltsgeräts, bei dem die mechanische Verbindung in einem Bereich sich überlappender Randabschnitte der miteinander zu verbindenden Bauteile gebildet ist,1 shows a first embodiment of a mechanical connection of two components of a treatment container of a water-conducting domestic appliance, in which the mechanical connection is formed in a region of overlapping edge portions of the components to be joined together,
Fig. 2 ein zweites Ausführungsbeispiel einer mechanischen Verbindung zweier Bauteile eines Behandlungsbehälters eines wasserführenden Haushaltsgeräts, bei dem die mechanische Verbindung unter Verwendung eines Haltelements erfolgt, und2 shows a second embodiment of a mechanical connection of two components of a treatment container of a water-conducting domestic appliance, in which the mechanical connection is made using a holding element, and
Fig. 3 ein drittes Ausführungsbeispiel einer mechanischen Verbindung zweier Bauteile eines Behandlungsbehälters eines wasserführenden Haushaltsgeräts, bei dem die mechanische Verbindung der beiden Bauteile in einem Bereich orthogonal aufeinander treffender Flächen in einem Eckbereich erfolgt.3 shows a third exemplary embodiment of a mechanical connection of two components of a treatment container of a water-conducting domestic appliance, in which the mechanical connection of the two components takes place in a region of orthogonally meeting surfaces in a corner region.
In Fig. 1 ist ein Ausschnitt eines Behandlungsbehälters eines wasserführenden Haushaltsgeräts dargestellt. Ein Bauteil 10, das beispielsweise eine Seitenwand des Behandlungsbehälters darstellt, ist aus einem einfachen Chrom-Stahl gefertigt, welcher mit einem zweiten Bauteil 20, einer beispielsweise aus Chromnickel-Stahl oder Kunststoff bestehen- den Spülwanne verbunden ist. Mit dem Bezugszeichen 50 ist dabei das Spülrauminnere des Behandlungsbehälters gekennzeichnet.In Fig. 1, a detail of a treatment container of a water-conducting household appliance is shown. A component 10, which for example represents a side wall of the treatment tank, is made of a simple chromium steel, which is connected to a second component 20, a rinsing tank consisting, for example, of chrome-nickel steel or plastic. The reference numeral 50 indicates the Spülrauminninnere the treatment tank.
Das erste Bauteil 10 weist einen Randabschnitt 11 und das zweite Bauteil 20 weist einen Randabschnitt 21 auf. Im Bereich dieser Randabschnitte 11 , 21 findet eine Überlappung der beiden Bauteile statt, was durch den mit dem Bezugszeichen B versehenen Pfeil gekennzeichnet ist. In diesem Überlappungsbereich B findet die mechanische Verbindung der beiden Bauteile 10, 20 statt, wobei diese in einem gegenüber Feuchtigkeit geschützten Abschnitt vorgenommen ist. Die Verbindung an der mit dem Bezugszeichen 31 ge- kennzeichneten Stelle kann beispielsweise mittels einer Schweiß- oder Klebeverbindung erfolgen.The first component 10 has an edge portion 11 and the second component 20 has an edge portion 21. In the area of these edge portions 11, 21, an overlap of the two components takes place, which is characterized by the arrow provided with the reference numeral B. In this overlapping region 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 reference numeral 31 Marked spot can be done for example by means of a welded or glued connection.
Das Bauteil 10 ist in dem nach unten zu Bauteil 20 gerichteten Bereich mit einem Falz 13 versehen. Zwischen der durch den Falz 13 ausgebildeten Fläche und einer gegenüberlie- genden Fläche 26 im Randabschnitt 21 des Bauteils 20 ist ein Dichtelement 30, z.B. aus Gummi, Kautschuk oder Kunststoff, eingeklemmt. Das Dichtelement, welches innig an den Flächen 16, 26 anliegt, verhindert ein Eindringen von Flüssigkeit in Richtung der mechanischen Verbindungsstelle (Bezugszeichen 31 ). Ferner verhindert das Dichtelement ein unmittelbares Aneinandergrenzen der aus unterschiedlich korrosionsbeständigen Ma- terialien bestehenden Bauteile 10, 20. Würden die Bauteile 10, 20 im Bereich des Dichtelementes 30 unmittelbar miteinander mechanisch verbunden werden, so würde ohne das Vorsehen weiterer Dichtmaßnahmen auf der zum Behälterinneren 50 gerichteten Seite ein Zwischenraum gebildet werden, in den aufgrund des Kapillareffekts Spülflüssigkeit eindringen könnte. Über einen längeren Zeitraum hinweg könnte dadurch insbesondere in dem weniger korrosionsbeständigen Material Rost auftreten, wodurch zum einen der optische Eindruck des Spülrauminneren und zum anderen die Funktionsfähigkeit beeinträchtigt würden.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 section 21 of the component 20, a sealing element 30, e.g. made of rubber, rubber or plastic, trapped. 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). Furthermore, the sealing element prevents a direct contiguity of the components 10, 20 consisting of different corrosion-resistant materials. If the components 10, 20 were mechanically connected directly to one another in the region of the sealing element 30, without the provision of further sealing measures on the container interior 50 Page space can be formed, in which due to the capillary effect rinsing liquid could penetrate. 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.
Das Vorsehen des Dichtelements 30 an der in der Figur gezeigten Stelle verhindert somit das Ausbilden eines Zwischenraums zwischen den beiden Bauteilen 10, 20, wodurch eine Spaltkorrosion wirksam verhindert ist. Auf diese Weise kann die an sich ungünstige Verbindungsmethode des Schweißens auch zwischen Chrom-Stahl und Chromnickel-Stahl verwendet werden. Nachdem das Dichtelement gegen unmittelbares Spritzwasser der Spülflüssigkeit geschützt angeordnet ist, ist die Gefahr des Eindringens von Feuchtigkeit in den zwischen den beiden Bauteilen 10, 20 gebildeten Zwischenraum nicht möglich, wodurch auch die mechanische Verbindung 31 keinen feuchtigkeitsbedingten Belastungen ausgesetzt ist.The provision of 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. In this way, the per se unfavorable connection method of welding can also be used between chrome steel and chrome nickel steel. After the sealing element is arranged protected against direct splashing of the rinsing liquid, the risk of moisture in the gap formed between the two components 10, 20 is not possible, whereby the mechanical connection 31 is not exposed to moisture-related stresses.
In dem in Fig. 1 dargestellten Ausführungsbeispiel ist das Bauteil 10 mit einer Kröpfung 12 versehen, wodurch der Randabschnitt 1 1 sich in Richtung des Spülrauminneren 50 erstreckt. Genauso gut wäre eine Anordnung denkbar, in der das Bauteil 10 im Bereich des Überlappungsbereiches B gerade nach unten verläuft und das Bauteil 20 mit einer Kröpfung, welche in der Figur nach links verläuft, versehen ist. Figur 2 zeigt ein weiteres Ausführungsbeispiel einer Verbindung der beiden Bauteile 10, 20, welche, wie im voran beschriebenen Ausführungsbeispiel aus zwei unterschiedlichen Materialien bestehen. Jedes der Bauteile 10, 20 weist einen Falz 13, 23 auf, in welche die Enden 41 , 42 eines Halteelements 40 eingreifen. Das Haltelement 40 ist auf der vom Spülrauminneren 50 abgewandten Seite des Behandlungsbehälters angeordnet. Der für eine Korrosion anfällige Bereich zwischen dem Falz 13 und dem Ende 41 des Haltelements 40 sowie dem Falz 23 und dem Ende 42 des Haltelements 40 ist dadurch zuverlässig vor Feuchtigkeit geschützt. Die mechanische Verbindung zwischen den Enden 41 , 42 und den umgefalzten Enden 13, 23 der Bauteile 10, 20 kann durch eine Klemm-, Klebe- oder Schweißverbindung erfolgen. Zur Abdichtung der mechanischen Verbindungen ist wiederum ein Dichtelement 30 vorgesehen, welches zwischen den umgeschlagenen Enden der Falze (Flächen 16, 26) eingeklemmt ist. Die durch das Haltelement aufgebrachte Kraft zur Verbindung der Bauteile 10, 20 und damit zum Einklemmen und Verformen des Dichtelementes 30 ist gerade so groß, dass ein inniger Kontakt des Dichtelements 30 mit den Flächen 16, 26 erfolgt, ein Abquetschen oder Abscheren des Dichtele- mentes jedoch ausgeschlossen ist. Das wiederum aus Gummi, Kunststoff oder Kautschuk oder einem anderen geeigneten Material bestehende Dichtelement kann in seinem ursprünglichen Querschnitt rund, elypsoid oder auch bereits mit Einschnürungen versehen ausgebildet sein.In the embodiment shown in Fig. 1, the component 10 is provided with a crank 12, whereby the edge portion 1 1 extends in the direction of the Spülrauminneren 50. Equally well would be an arrangement conceivable in which the component 10 in the region of the overlap region B is straight down and the component 20 is provided with a crank, which runs in the figure to the left. Figure 2 shows another 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 of the components 10, 20 can be effected by a clamping, gluing or welding connection. For sealing the mechanical connections, in turn, 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 takes place with the surfaces 16, 26, a squeezing or shearing of the sealing element however excluded. 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.
Ein weiteres Ausführungsbeispiel ist in der Fig. 3 dargestellt. Die Verbindung des ersten Bauteils 10 und des zweiten Bauteils 20 erfolgt hierbei in einem Eckbereich 52 des Behandlungsbehälters. Das Dichtelement 30 ist somit auf der dem Spülbehälterinneren 50 zugewandten Ecke, z.B. zwischen Behälterwand und Behälterdach oder Behälterwand und Spülwanne angeordnet. Das zweite Bauteil 20 ist beispielhaft mit einer Vertiefung 24 versehen, welche an die Querschnittsform des Dichtelements 30 angepasst ist. Das Dichtelement 30 ist in die Vertiefung 24 eingelegt und liegt innig an der Wandung der Vertiefung 24 (Bezugszeichen 26) an. Das Bauteil 10 ist im Ausführungsbeispiel über einen Bördel 32 mit dem Bauteil 20 mechanisch verbunden. Alternativ kämen auch andere Verbindungstechnologien, z.B. eine Klebung, eine Schweißung, eine Falzung oder andere in Betracht. Im Eckbereich, und insbesondere im Bereich des Dichtelements 30 verläuft das Bauteil 10 L-förmig, wodurch der Bauteilabschnitt 14 eine Verformung des Dichtelementes 30 bewirkt, wodurch eine innige Verbindung der Fläche 16 mit dem Dichtelement 30 bewirkt ist. Aufgrund dieser Konstruktion ist das Vordringen von Feuchtigkeit oder Spülflüs- sigkeit aus dem Spülrauminneren 50 in Richtung der mechanischen Befestigung sicher verhindert, wodurch eine in dem Überlappungsbereich B auftretende Spaltkorrosion unterbunden ist.Another embodiment is shown in FIG. 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 Spülbehälterinneren 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. Alternatively, other joining technologies, such as gluing, welding, folding or other would be considered. In the corner region, and in particular in the region of the sealing element 30, 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 is sigkeit from the Spülrauminneren 50 safely prevented in the direction of the mechanical fastening, whereby a occurring in the overlap region B crevice corrosion is prevented.
Neben den in den Ausführungsbeispielen beschriebenen Verbindungstechnologien kom- men auch weitere Verbindungstechnologien in Betracht, bei denen sichergestellt ist, dass die miteinander zu verbindenden Bauteile im Bereich des Spülrauminneren keinen unmittelbaren, direkten Kontakt zueinander aufweisen, sondern über ein Dichtelement miteinander verbunden sind. Die beschriebenen Ausführungsbeispiele haben die Gemeinsamkeit, dass die mechanische Verbindung in einem feuchtigkeitsfreien Bereich gelegen ist. Dadurch kann in einem durch das Dichtelement gegen Feuchtigkeit abgeschirmten Bereich eine mechanische Verbindung mittels einer beliebigen Verbindungstechnologie erfolgen, unabhängig davon, ob diese prinzipiell für feuchte Umgebungen geeignet ist oder nicht. In addition to the connection technologies described in the exemplary embodiments, further connection technologies come into consideration in which it is ensured that the components to be interconnected in the region of the Spülrauminneren have no direct, direct contact with each other, but are connected to each other via a sealing element. 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.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
10 Bauteil10 component
11 Randabschnitt11 edge section
12 Kröpfung12 crank
13 Falz13 fold
14 Bauteilabschnitt14 component section
16 Fläche16 area
20 Bauteil20 component
21 Randabschnitt21 edge section
23 Falz23 fold
24 Vertiefung24 deepening
26 Fläche26 area
30 Dichtelement30 sealing element
31 Verbindungsstelle31 junction
32 Bördel32 flare
41 Halteelementende41 holding element end
42 Halteelementende42 holding element end
50 Spülrauminneres50 Spülrauminneres
51 Feuchtigkeitsfreier Bereich51 Moisture-free area
52 Eckbereich52 corner area
B Überlappungsbereich B overlap area

Claims

Patentansprüche claims
1. Wasserführendes Haushaltsgerät, insbesondere Geschirrspülmaschine, mit einem Behandlungsbehälter, der aus zumindest zwei Bauteilen aus unterschiedlichen Materialien (10,20) zusammengesetzt ist, bei dem - jedes der Bauteile (10,20) einen Randabschnitt (1 1 ,21 ) aufweist, über welchen eine mechanische Verbindung (31 ;40;32) der zwei Bauteile vorgenommen ist, wobei die mechanische Verbindung in einem gegenüber Feuchtigkeit geschützten Abschnitt (51 ) vorgenommen ist, und - die Abdichtung der mechanischen Verbindung mittels eines Dichtelements (30) auf der dem Spülrauminneren (50) des Behandlungsbehälters zugewandten1. Water-conducting household appliance, in particular dishwashing machine, with a treatment container, which is composed of at least two components made of different materials (10,20), wherein - each of the components (10,20) has an edge portion (1 1, 21) in which a mechanical connection (31; 40; 32) of the two components is made, the mechanical connection being made in a moisture-protected section (51), and - the sealing of the mechanical connection by means of a sealing element (30) on the interior of the washing compartment (50) facing the treatment container
Seite erfolgt, derart, dass ein Feuchtigkeit ausgesetzter Zwischenraum kapi- larspaltfrei ausgebildet ist.Side takes place, such that a moisture-exposed gap is formed without a capillary gap.
2. Haushaltsgerät nach Anspruch 1 , dadurch gekennzeichnet, dass die mechanische Verbindung (31 ;40;32) in einem Bereich sich überlappender Randabschnitte der miteinander zu verbindenden Bauteile (10,20) gebildet ist.2. Household appliance according to claim 1, characterized in that the mechanical connection (31; 40; 32) is formed in a region of overlapping edge portions of the components (10, 20) to be joined together.
3. Haushaltsgerät nach Anspruch 1 , dadurch gekennzeichnet, dass die mechanische Verbindung (31 ;40;32) unter Verwendung eines Halteelements (40) erfolgt, welches jeweils eine eigenständige mechanische Verbindung (1 1 ,41 ;21 ;42,) mit den Randabschnitten (11 ,21 ) der zu verbindenden Bauteile (10,20) aufweist.3. Household appliance according to claim 1, characterized in that the mechanical connection (31; 40; 32) takes place using a holding element (40) which in each case has an independent mechanical connection (1 1, 41; 21; 42,) with the edge sections (11, 21) of the components to be connected (10,20).
4. Haushaltsgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die mechanische Verbindung (31 ;40;32) durch eine Schweißverbindung, eine Klebeverbindung, eine Falzverbindung, eine Klemmverbindung oder eine Bör- delung gebildet ist.4. Household appliance according to one of the preceding claims, characterized in that the mechanical connection (31; 40; 32) is formed by a welded connection, an adhesive connection, a folded connection, a clamping connection or a flaring.
5. Haushaltsgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Dichtelement (30) zwischen dem ersten und dem zweiten Bauteil (10,20) unter Aufwendung einer Kraft eingeklemmt ist, so dass das Dichtelement5. Household appliance according to one of the preceding claims, characterized in that the sealing element (30) between the first and the second component (10,20) is clamped under application of a force, so that the sealing element
(30) innig an den sich gegenüberliegenden Flächen (16,26) der Bauteile anliegt. (30) intimately abuts the opposing surfaces (16,26) of the components.
6. Haushaltsgerät nach Anspruch 5, dadurch gekennzeichnet, dass das Dichtelement (30) in einer an deren Querschnitt angepassten Vertiefung (24) des ersten und/oder zweiten Bauteils angeordnet ist.6. Household appliance according to claim 5, characterized in that the sealing element (30) is arranged in a recess adapted to the cross-section (24) of the first and / or second component.
7. Haushaltsgerät nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die mecha- nische Verbindung des ersten und des zweiten Bauteils (10,20) im Bereich Im Wesentlichen orthogonal aufeinander treffender Flächen der Bauteile erfolgt7. Household appliance according to claim 5 or 6, characterized in that the mechanical connection of the first and the second component (10, 20) takes place in the area of substantially orthogonally coincident surfaces of the components
8. Haushaltsgerät nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass und das Dichtelement (30) in einem Eckbereich (52) angeordnet ist, wobei das Dichtelement durch das erste und das zweite Bauteil in Richtung der vom Spülrauminneren (51 ) abgewandten Seite der Ecke wenigstens teileweise umschlossen ist.8. Household appliance according to one of claims 5 to 7, characterized in that and the sealing element (30) in a corner region (52) is arranged, wherein the sealing element by the first and the second component in the direction of the Spülrauminneren (51) side facing away The corner is at least partially enclosed.
9. Haushaltsgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Verlauf der Überlappung der Randabschnitte (1 1 ,21 ) des ersten und des zweiten Bauteils (10,20) im Bereich der Seitenwände im Wesentlichen horizontal verlaufend ist.9. Household appliance according to one of the preceding claims, characterized in that the profile of the overlap of the edge portions (1 1, 21) of the first and the second component (10,20) in the region of the side walls is substantially horizontal.
10. Haushaltsgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Randabschnitt der ersten, in Richtung Behälterdach verlaufenden Bauteils dem Spülrauminneren und der Randabschnitt des zweiten, in Richtung Behälterboden verlaufenden Bauteils dem Spülraumäußeren zugewandt ist.10. Household appliance according to one of the preceding claims, characterized in that the edge portion of the first, extending in the direction of the container roof component the Spülrauminneren and the edge portion of the second, extending in the direction of the container bottom component faces the Spülraumäußeren.
11. Haushaltsgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Dichtung (30) an einem an dem Randabschnitt (1 1 ) ausgebildeten Falz (13) anliegt.11. Household appliance according to one of the preceding claims, characterized in that the seal (30) rests against a at the edge portion (1 1) formed fold (13).
12. Haushaltsgerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die miteinander zu verbindenden Bauteile (10,20) aus einem der folgenden Materialien gefertigt sind: Chrom(Cr)-Stahl, Chromnickel(CrNi)-Stahl oder Kunststoff. 12. Household appliance according to one of the preceding claims, characterized in that the components to be interconnected (10,20) are made of one of the following materials: chromium (Cr) steel, chrome nickel (CrNi) steel or plastic.
EP07822276A 2006-11-23 2007-11-07 Water-conducting household appliance having a treatment container assembled from at least two components Active EP2094895B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07822276T PL2094895T3 (en) 2006-11-23 2007-11-07 Water-conducting household appliance having a treatment container assembled from at least two components

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006055347A DE102006055347A1 (en) 2006-11-23 2006-11-23 Water-conducting household appliance with a treatment container composed of at least two components
PCT/EP2007/061960 WO2008061878A1 (en) 2006-11-23 2007-11-07 Water-conducting household appliance having a treatment container assembled from at least two components

Publications (2)

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

Family

ID=38926186

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07822276A Active EP2094895B1 (en) 2006-11-23 2007-11-07 Water-conducting household appliance having a treatment container assembled from at least two components

Country Status (8)

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

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Also Published As

Publication number Publication date
DE502007006804D1 (en) 2011-05-05
KR20090087870A (en) 2009-08-18
CN101529008A (en) 2009-09-09
WO2008061878A1 (en) 2008-05-29
CN101529008B (en) 2011-09-21
US9005370B2 (en) 2015-04-14
PL2094895T3 (en) 2011-08-31
EP2094895B1 (en) 2011-03-23
DE102006055347A1 (en) 2008-05-29
US20100132749A1 (en) 2010-06-03
ATE503051T1 (en) 2011-04-15

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