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EP3508791B1 - Haushaltsgerät mit einem wandelement - Google Patents

Haushaltsgerät mit einem wandelement Download PDF

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Publication number
EP3508791B1
EP3508791B1 EP18150678.3A EP18150678A EP3508791B1 EP 3508791 B1 EP3508791 B1 EP 3508791B1 EP 18150678 A EP18150678 A EP 18150678A EP 3508791 B1 EP3508791 B1 EP 3508791B1
Authority
EP
European Patent Office
Prior art keywords
aperture
wall element
electric component
household appliance
rim
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18150678.3A
Other languages
English (en)
French (fr)
Other versions
EP3508791A1 (de
Inventor
Marco Böckler
Willi Kranz
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.)
Electrolux Appliances AB
Original Assignee
Electrolux Appliances AB
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 Electrolux Appliances AB filed Critical Electrolux Appliances AB
Priority to EP18150678.3A priority Critical patent/EP3508791B1/de
Publication of EP3508791A1 publication Critical patent/EP3508791A1/de
Application granted granted Critical
Publication of EP3508791B1 publication Critical patent/EP3508791B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/008Illumination for oven cavities
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004Personal or domestic articles
    • F21V33/0044Household appliances, e.g. washing machines or vacuum cleaners
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/08Arrangement or mounting of control or safety devices
    • F24C7/082Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/08Arrangement or mounting of control or safety devices
    • F24C7/082Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F24C7/083Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on tops, hot plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00Stoves or ranges heated by electric energy
    • F24C7/08Arrangement or mounting of control or safety devices
    • F24C7/082Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • F24C7/085Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination on baking ovens

Definitions

  • the present invention relates to a household appliance with a wall element having an aperture formed therein, and an electric component mounted in the aperture, wherein the electric component comprises an abutment which rests against a rim of the aperture at a first side of the wall element, and wherein at least one clamp element projects laterally from the electric component and rests against a second side of the wall element opposite the first side of the wall element.
  • the electric component In order to effect mounting of an electric component, such as a switch or a lamp, by means of clamping within an aperture formed in a wall element of a household appliance, the electric component is inserted into the aperture in the wall element of the household appliance from a first side of the wall element, for example from an outer side, wherein the clamp during insertion of the electric component into the aperture is deformed. Upon reaching the mounting position the clamp at least partially is relieved to rest against the opposing second side of the wall element, in such example the inner side.
  • EP 1 811 227 A1 discloses an electric lighting element having a fixation ring with an abutment rim and lateral clamp elements, wherein upon insertion of the fixation ring in an aperture of a wall element the wall element is clamped between the abutment rim and the clamp elements.
  • DE 29 13 542 A1 discloses an oven having a wall element with an aperture in which there is mounted a lamp.
  • the lamp comprises a housing having three tabs which when mounting the lamp housing are inserted through cut-outs in the wall element, and then the lamp housing is rotated until a lateral tab locks into a notch at the aperture so as to lock the lamp housing.
  • the wall element comprises apertures with a rim that comprises cut-outs along its edge, wherein the cut-outs have coupling sections which provide for a reduction of the opening diameter to provide for a clamping force.
  • US 2,730,688 A discloses a household appliance with the features of the preamble part of claim 1, wherein the bulge is designed as a single bend so that the clamp element rests against an edge of the sheet material.
  • the appliance disclosed in EP 2703732 A2 shows all but one of the features of the preamble part of claim 1, the only difference being that a mechanical component instead of an electrical component is mounted in the aperture of the wall element.
  • the bulge is also designed as a single bend.
  • the household appliance comprises a wall element having an aperture formed therein, and an electric component mounted in the aperture, the electric component comprising an abutment rim which rests against a rim of the aperture a first side of the wall element, and at least one clamp element projecting laterally from the electric component and which rests against a second side of the wall element opposite the first side so as to clamp the wall element between the abutment rim and the clamp elements, in that the rim of the aperture, at least in the region where the clamp element rests against the wall element, comprises a bulge, which thus increases the axial distance (when viewed in the direction of insertion of the electric component into the aperture) between the positions where the abutment rests against the first side and where the clamp element rests against the second side of the wall element.
  • the clamping force of a given electric component can be increased which provides for a more secure fixation of the electric component at the wall element.
  • providing for a bulge along the rim at least in the region where the clamp element rests against the wall element enables installing electric components that are designed for use with a wall element of a certain thickness also at a thinner wall element, wherein the bulge virtually simulates a larger wall thickness.
  • Providing for a bulge along the rim of the aperture thus greatly increases the variety of electric components that can be installed in a wall element of a given thickness.
  • the bulge can be an embossment.
  • the bulge can be formed into the rim of the aperture in the step of shaping the sheet metal so as to form the respective portion of the oven cavity, such as deep drawing the sheet metal, so that no additional manufacturing steps are required for manufacturing the bulge.
  • the embossment either can comprise a plurality of individual bulges that are provided at least in the region or regions where the one or more clamp elements rest against the wall element, or it can be a continuous embossment that extends substantially the full length of the rim.
  • the clamp element comprises a spring element that laterally projects from the electric component.
  • the spring element is configured to be deformed during insertion of the electric component into the aperture, and is at least partially relieved when the electric component reaches its mounted position in which the abutment rests against the rim of the aperture.
  • the spring element can be a wire element or a resilient tab, such as a tab made of spring steel, which laterally projects from the electric component and which preferably has slanted edges so that, during insertion of the electric component into the aperture the tab is deformed inwardly with respect to the aperture, and which when being released when approaching the mounted position of the electric component again deflects outwardly thus fixing the electric component.
  • the aperture can be configured to have a shape that prevents rotation of the electric component and further can be configured to have a shape that allows mounting of the electric component only in a single orientation.
  • the rim of the aperture can be provided with a cut-out or recess, and the electric component can be provided with a lateral projection the shape of which is complementary to that of the cut-out or recess.
  • the electric component can be any kind of electric component to be mounted at a wall element of a household appliance.
  • Such electric component include lamps, displays, switches, buttons, sensors, heating elements, signaling devices, transducers, transmitters, communication devices, and the like.
  • Figure 1 shows a wall element 10 of a household appliance, which wall element for example can be a portion of a wall of an oven cavity of an electric oven.
  • the wall element 10 is made of sheet metal and may be provided with a protective coating, such as an enamel layer.
  • Wall element 10 comprises an aperture 20 for mounting of an electric component, such as a lamp 30 as it is shown in Figure 2 .
  • aperture 20 advantageously can be formed by stamping or by laser cutting.
  • aperture 20 is of a generally circular shape that conforms to the circumferential shape of the housing of the lamp 30.
  • a continuous bulge 22 which in the embodiment shown in the drawings comprises an embossing that surrounds aperture 20.
  • aperture 20 further comprises a recess 24 which cooperates with a projection 44 of corresponding shape.
  • lamp 30 comprises an annular housing 32 and a transparent or translucent bulb 34. Between annular housing 32 and bulb 34 there is a rim 36 which has a larger diameter than the annular housing 32 so as to provide for an abutment when inserting lamp 30 into aperture 20. To provide for a clamping force for holding lamp 30 when inserted into aperture 20, there are provided a plurality of clamp elements 38 which in the embodiment depicted in Figure 2 are designed as resilient tabs tab are made of an elastic material such as spring steel and which laterally project from the annular housing 32.
  • the tabs 38 at the side facing towards the abutment rim 36 comprise a slanted edge 40, which in the mounted state of the lamp 30 rests against the rim of aperture 20, wherein the degree by which the tabs can spring back towards their relieved position in which they project radially from the annular housing 32 depends on the thickness of the wall element.
  • the edge 42 that faces away from the abutment rim 36 preferably is slanted, so as to facilitate insertion of lamp 30 into aperture 20, wherein the slanted edges 42 when acting against the rim of aperture 20 causes the tabs 38 to deflect substantially tangentially with respect to the annular housing 32.
  • the tabs 38 are located so as to provide for a clearance between the edges 40 of tabs 38 and the abutment rim 36.
  • the aperture 20 is provided with bulge 22 which thus virtually provides the wall element 10 with an enlarged thickness where the rim of the wall element is to be clamped between the abutment and the clamp elements.
  • the present invention hence not only allows for larger flexibility in terms of the elements that can be fixedly attached to a wall member of a household appliance, but also provides for a larger tolerance in terms of the housing materials with which a certain electric component can be used.
  • the present invention allows using standardized electric components with different housing element irrespective of the thickness of the wall elements in which these components are to be mounted.
  • the electric component is to be mounted within a region of high humidity, such as in embodiments wherein the electric component, for example a lamp, is to be mounted within an oven cavity, advantageously the radial thickness of the bulge 22 is made small so as to avoid condensation losses.
  • FIG 3 there is shown a wall element 10 of a household appliance in accordance with another preferred embodiment, which differs from the wall element shown in Figure 1 in that instead of a continuous bulge there are provided a series of individual bulges 50 which are provided at locations around aperture 52 which correspond to the locations of the tabs 38 of a lamp 30 to be mounted in aperture 52.
  • a series of individual bulges 50 which are provided at locations around aperture 52 which correspond to the locations of the tabs 38 of a lamp 30 to be mounted in aperture 52.
  • the bulges 50 are formed by deforming the sheet metal of wall element 10. As shown in Fig. 4 , the bulges 50 can be formed by embossing the respective portions of wall element 10.
  • the bulges are designed as a double bend of the sheet material of wall element 10, so that the bulges 50, although being formed of a sheet material having a thickness t, due to the double bend behave as having a thickness x, which thickness x can be arbitrarily selected by selecting the dimensions of the double bend, such as the offset provided by the double bend, which in turn is dependent on the length and angular orientation of the intermediate portion 54 of the double bend.
  • the tabs of which are designed for a certain minimum wall thickness also can be employed in household appliances having a thinner wall element, so that the same standardized lamp can be used with various different household appliances.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Cookers (AREA)
  • Electric Ovens (AREA)

Claims (10)

  1. Haushaltsgerät mit einem aus einem Blech hergestellten Wandelement (10), in dem eine Öffnung (20) ausgebildet ist, und mit einer in der Öffnung (20) angebrachten elektrischen Komponente (30), wobei die elektrische Komponente (30) einen Anlagerand (36) aufweist, der an einer ersten Seite des Wandelements (10) an einem Rand der Öffnung (20) anliegt, und mindestens einem Klemmelement (38), das seitlich von der elektrischen Komponente (30) vorsteht und an einer zweiten Seite des Wandelements (10) gegenüber der ersten Seite anliegt, um das Wandelement (10) zwischen dem Anlagerand (36) und den Klemmelementen (38) einzuklemmen, wobei der Rand der Öffnung (20) mindestens in dem Bereich, in dem das Klemmelement (38) an dem Wandelement (10) anliegt, eine Ausbuchtung (22) aufweist, die den axialen Abstand in Einschubrichtung der elektrischen Komponente (30) in die Öffnung (20) zwischen der Stelle, an der der Anlagerand (36) an der ersten Seite des Wandelements (10) anliegt, und der Stelle, an der das Klemmelement an der zweiten Seite des Wandelements (10) anliegt, vergrößert, dadurch gekennzeichnet, dass die Ausbuchtung (22) als Doppelbiegung des Blechs des Wandelements (10) ausgebildet ist.
  2. Haushaltsgerät gemäß Anspruch 1, wobei
    die Ausbuchtung (22) durch eine Erhebung gebildet ist.
  3. Haushaltsgerät gemäß Anspruch 2, wobei die Erhebung eine durchgehende Erhebung ist, die sich im Wesentlichen über die gesamte Länge des Randes der Öffnung (20) erstreckt.
  4. Haushaltsgerät gemäß Anspruch 2, wobei die Erhebung unterbrochen ist und somit eine Vielzahl von Ausbuchtungen bildet, die sich im Wesentlichen entlang des Randes der Öffnung (20) erstrecken.
  5. Haushaltsgerät gemäß einem der vorhergehenden Ansprüche, wobei das Klemmelement (38) ein Federelement aufweist, das seitlich aus der elektrischen Komponente (30) herausragt.
  6. Haushaltsgerät gemäß Anspruch 1, wobei das Federelement (38) eine federnde Lasche mit mindestens einer schrägen Kante (40, 42) ist.
  7. Haushaltsgerät gemäß einem der vorhergehenden Ansprüche, wobei die Öffnung (20) eine Form hat, die eine Drehung der elektrischen Komponente (30) verhindert.
  8. Haushaltsgerät gemäß einem der vorhergehenden Ansprüche, wobei die Öffnung (20) eine Form hat, die die Montage der elektrischen Komponente (30) nur in einer einzigen Ausrichtung ermöglicht.
  9. Haushaltsgerät gemäß Anspruch 8, wobei der Rand der Öffnung (20) einen Ausschnitt (24) aufweist und die elektrische Komponente (30) einen seitlichen Vorsprung (44) hat, dessen Form komplementär zu der des Ausschnitts ist.
  10. Haushaltsgerät gemäß einem der vorhergehenden Ansprüche, wobei die elektrische Komponente (30) aus der Gruppe bestehend aus Lampen, Anzeigevorrichtungen, Schaltern, Tasten, Sensoren, Heizelementen, Signaleinrichtungen, Wandlern, Sendern und Kommunikationseinrichtungen ausgewählt ist.
EP18150678.3A 2018-01-09 2018-01-09 Haushaltsgerät mit einem wandelement Active EP3508791B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18150678.3A EP3508791B1 (de) 2018-01-09 2018-01-09 Haushaltsgerät mit einem wandelement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18150678.3A EP3508791B1 (de) 2018-01-09 2018-01-09 Haushaltsgerät mit einem wandelement

Publications (2)

Publication Number Publication Date
EP3508791A1 EP3508791A1 (de) 2019-07-10
EP3508791B1 true EP3508791B1 (de) 2023-10-18

Family

ID=60953697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18150678.3A Active EP3508791B1 (de) 2018-01-09 2018-01-09 Haushaltsgerät mit einem wandelement

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EP (1) EP3508791B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11598512B1 (en) 2022-07-12 2023-03-07 Haier Us Appliance Solutions, Inc. Domestic appliance and light assembly

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730688A (en) * 1954-02-05 1956-01-10 Hart Mfg Co Fastener for retaining a casing in a panel
EP2703732A2 (de) * 2012-08-28 2014-03-05 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerätekomponente mit einem Loch und einem Kragen am Begrenzungsrand sowie Verfahren zum Ausbilden einer Haushaltsgerätekomponente

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2913542A1 (de) * 1979-04-04 1980-10-09 Bosch Siemens Hausgeraete Backofenlampe fuer haushaltbackoefen
DE102006002667B4 (de) 2006-01-19 2007-11-29 Bjb Gmbh & Co.Kg Elektrische Leuchte, insbesondere zum Einbau in Küchengeräte
US20130307384A1 (en) * 2012-05-16 2013-11-21 Bsh Home Appliances Corporation Home appliance with self-locking aperture
TWM478783U (zh) * 2013-12-31 2014-05-21 Long Industry Inc 易拆裝之燈具結構

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730688A (en) * 1954-02-05 1956-01-10 Hart Mfg Co Fastener for retaining a casing in a panel
EP2703732A2 (de) * 2012-08-28 2014-03-05 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerätekomponente mit einem Loch und einem Kragen am Begrenzungsrand sowie Verfahren zum Ausbilden einer Haushaltsgerätekomponente

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