EP2638345B1 - Lighting unit for a large electrical device - Google Patents

Lighting unit for a large electrical device Download PDF

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Publication number
EP2638345B1
EP2638345B1 EP11773298.2A EP11773298A EP2638345B1 EP 2638345 B1 EP2638345 B1 EP 2638345B1 EP 11773298 A EP11773298 A EP 11773298A EP 2638345 B1 EP2638345 B1 EP 2638345B1
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EP
European Patent Office
Prior art keywords
base part
top part
lighting unit
engage
engagement elements
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EP11773298.2A
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German (de)
French (fr)
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EP2638345A2 (en
Inventor
Alexander Heinrich
Matthias Wiedenmann
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2638345A2 publication Critical patent/EP2638345A2/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/08—Devices for easy attachment to any desired place, e.g. clip, clamp, magnet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D27/00—Lighting arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Definitions

  • the present invention relates to a lighting device for a large electric appliance, with a lower part receiving the luminous means and an upper part which can be fastened to the lower part.
  • the present invention particularly relates to an interior lighting device for a refrigeration device.
  • a lighting device of the type in question is z. B. from the DE 10 2006 013 231 U1 known.
  • a disadvantage of the lighting device known therefrom is a relatively large height, whereby z. B. the assembly is difficult.
  • the publication EP 1 816 421 A2 shows a lighting assembly for a household appliance, wherein a lamp cover is attached to a base body.
  • the publication EP 0 892 230 A1 shows a refrigerator with an inner cover for lighting. On the inner cover, a top and a bottom are attached to opposite sides of the cover.
  • the publication JP 2007 285 632 A shows a refrigerator with a bulb that is attached to a plate.
  • the plate with the lamp is slidably mounted on a ceiling of the refrigerator.
  • An object of the invention is therefore to provide a lighting device of the type in question, which allows easy installation.
  • a lighting device which comprises a lower part and a lower part attachable upper part, wherein it is provided that a plurality of corresponding interlocking elements are arranged on the upper part and on the lower part, which serve to attach the upper part to the lower part these form-fitting elements can be brought into engagement by longitudinal displacement of the upper part in the connecting plane relative to the lower part.
  • the connecting plane is the transverse plane and in particular perpendicular to the direction of attachment extending parting plane (contact plane) between the upper part and lower part.
  • the engagement of the corresponding positive-locking elements is non-destructively releasable again.
  • the release of the interventions can be accomplished by appropriate force on the upper part, which can be done by means of a tool, but preferably without the aid of a tool.
  • the upper part can be removed at any time from the lower part to z. B. to replace a defective bulb.
  • the embodiment of the illumination device according to the invention provides that at least two Greifphoken or the like are formed on the upper part with respect to the displacement direction (for fastening) in the front region, which could be brought into engagement with corresponding positive locking elements on the lower part.
  • the intervention preferably takes place in that the form-locking elements formed on the lower part are engaged by the gripping hooks.
  • At the upper part at least one recess is formed with respect to the displacement direction in the rear region, in which corresponding gripping hooks or the like engage on the lower part. It is envisaged that a plurality of gripping hooks formed on the lower part engage in this recess on the upper part.
  • At the lighting device according to the invention preferably at least one effective between the upper part and lower part latching mechanism is provided, which causes ein.Fixtechnik of the upper part relative to the lower part.
  • the cause by the locking mechanism Fixing is to prevent the upper part can be pushed back in a simple manner against the direction of displacement (for fastening).
  • the upper part and the lower part are held in their engagement position to each other non-positively, in particular by spring force, counter to the engagement direction in the engaged position.
  • the securing force is preferably achieved by the elastic deformation of the upper part and / or lower part.
  • this latching mechanism has a rigid latching projection formed on the lower part and a rigid latching section formed on the upper part.
  • stiff is meant that these locking elements are not designed to be resilient in the usual way.
  • the latching portion on the upper part and the latching projection on the lower part slide on the longitudinal displacement of the upper part relative to the lower part and thereby cause first an elastic bending of the upper part (pushing away the upper part of the lower part) until the locking portion on the upper part of the locking projection on the lower part form-fitting behind, wherein the latching force is generated from the elastic deflection of the upper part.
  • the upper part can then no longer be pushed back in a simple manner, but it must first the fixation by lifting the upper part, whereby a release of the positive connection between locking portion and locking projection is effected, be solved with a tool (eg. With a flat-head screwdriver), but preferably without the aid of a tool is possible.
  • a tool eg. With a flat-head screwdriver
  • the upper part is a flat and flat cover.
  • the height of the cover is z. B. maximum 5 mm, preferably not more than 4 mm and in particular not more than 3 mm.
  • this cover is at least partially formed of a translucent material.
  • the lower part is a backing part.
  • a backing part serves for fastening the illumination device to a housing wall. For this purpose, this Schulegteil is positioned behind a matching opening in the housing wall and is supported on the edge of this opening.
  • the upper part and the lower part are preferably formed of a cold-resistant plastic material.
  • the lower part is a one-piece injection-molded part.
  • the upper part can likewise be an integral injection-molded part or a multi-part component made of individual pieces joined together.
  • the solution to the abovementioned object also extends to a refrigeration appliance, in particular a refrigerator, a wine storage cabinet or a freezer, which has at least one lighting device according to the invention.
  • This illumination device is, in particular, an interior lighting device which is arranged in the cooled interior and preferably on the inner container wall of the refrigeration device.
  • the solution of the above-mentioned object also extends to a method for mounting a lighting device according to the invention on the housing wall of a large electrical device and in particular to a method for mounting a lighting device according to the invention (interior lighting device) on the inner container wall of a refrigerator, wherein initially positioned the lower part of the housing wall and subsequently the upper part is fastened to the lower part, for which purpose the upper part is placed on the lower part and is displaced in the connecting plane relative to the lower part, whereby the arranged on the upper part and the lower part corresponding interlocking elements engage with each other.
  • Fig. 1 shows a generally designated 10 lower part of a lighting device according to the invention, which is a so-called. Backing part, as already explained above.
  • the lower part 10 has a body 11 for receiving a light bulb, not shown. With 12 in the body 11 integrated reflector section is designated. With 14a to 14h holding elements are referred to, which serve the attachment of the lower part 10 behind a matching opening in a housing wall, which is the subject of another patent application. With 13 a trained on the body circumferential sealing lip for supporting the backing part 10 is designated on the housing wall and for sealing the opening in the housing wall.
  • the lower part 10 is integrally formed as a plastic injection molded part.
  • Fig. 2 shows a to the lower part 10 of Fig. 1 belonging and generally designated 20 upper part of the lighting device.
  • the upper part 20 has a likewise integrally formed as a plastic injection molded part frame 21, which carries a clear window 22.
  • the frame 21 and the window 22 are z. B. glued together and / or welded.
  • 24a and 24b two gripping hooks are referred to, which are formed opposite to the two longitudinal sides of the frame 21.
  • With 25 is formed on the left broad side of the frame 21 and concealed in the representation shown recess which extends over almost the entire width of the upper part 20.
  • On the right broad side 21a of the frame 21 a latching mechanism belonging to a latching portion 27 is formed.
  • two spacers 27a and 27b for the spacing to the lower part 10 are further included.
  • Fig. 4 shows the attached to the lower part 10 and fixed upper part 20.
  • the lighting device formed from the lower part 10 and upper part 20 is designated 100 in total.
  • the connection plane between upper part 20 and lower part 10 is shown with a dash-dot line and designated E.
  • E the connection plane between upper part 20 and lower part 10
  • Fig. 4 is very good the flat and even education of the upper part 20 to recognize. If the lighting device 100 shown is used as interior lighting for a refrigeration appliance, then the upper part 20 protrudes only slightly into the interior of the refrigeration appliance, which leads to a good space yield in the interior of the refrigeration appliance. In Fig. 4 is also very good to recognize the relatively low height of the lower part 10, whereby z. B. a simple installation on a housing wall, not shown, is made possible. 17 with a connector on the lower part 10 is designated for the electrical contact.
  • the right or front frame section 21a first has to be raised in order to bring about a cancellation of the positive connection between the latching section 27 and the latching projection or holding element 14e.
  • a recess or a slit
  • the upper part 20 can be pushed back in the direction opposite to the direction of displacement 2, whereby the interlocking positive locking elements (as explained above) are disengaged. Subsequently, the upper part 20 can be lifted off the lower part 10.

Description

Die vorliegende Erfindung betrifft eine Beleuchtungseinrichtung für ein Großelektrogerät, mit einem das Leuchtmittel aufnehmenden Unterteil und einem am Unterteil befestigbaren Oberteil. Die vorliegende Erfindung betrifft insbesondere eine Innenbeleuchtungseinrichtung für ein Kältegerät.The present invention relates to a lighting device for a large electric appliance, with a lower part receiving the luminous means and an upper part which can be fastened to the lower part. The present invention particularly relates to an interior lighting device for a refrigeration device.

Eine Beleuchtungseinrichtung der betreffenden Art ist z. B. aus der
DE 10 2006 013 231 U1 bekannt. Nachteilig an der hieraus bekannten Beleuchtungseinrichtung ist eine relativ große Bauhöhe, wodurch z. B. die Montage erschwert wird.A lighting device of the type in question is z. B. from the
DE 10 2006 013 231 U1 known. A disadvantage of the lighting device known therefrom is a relatively large height, whereby z. B. the assembly is difficult.

Die Offenlegungsschrift EP 1 816 421 A2 zeigt eine Beleuchtungsbaugruppe für ein Haushaltsgerät, wobei eine Lampenabdeckung an einem Grundkörper befestigt ist.The publication EP 1 816 421 A2 shows a lighting assembly for a household appliance, wherein a lamp cover is attached to a base body.

Die Offenlegungsschrift EP 0 892 230 A1 zeigt ein Kältegerät mit einer inneren Abdeckung für eine Beleuchtung. An der inneren Abdeckung sind ein Oberteil und ein Unterteil an jeweils gegenüberliegenden Seiten der Abdeckung befestigt.The publication EP 0 892 230 A1 shows a refrigerator with an inner cover for lighting. On the inner cover, a top and a bottom are attached to opposite sides of the cover.

Die Offenlegungsschrift JP 2007 285 632 A zeigt ein Kältegerät mit einem Leuchtmittel, das an einer Platte befestigt ist. Die Platte mit dem Leuchtmittel ist verschiebbar an einer Decke des Kältegeräts befestigt.The publication JP 2007 285 632 A shows a refrigerator with a bulb that is attached to a plate. The plate with the lamp is slidably mounted on a ceiling of the refrigerator.

Eine Aufgabe der Erfindung ist es daher, eine Beleuchtungseinrichtung der betreffenden Art anzugeben, die eine einfache Montage ermöglicht.An object of the invention is therefore to provide a lighting device of the type in question, which allows easy installation.

Diese Aufgabe wird gelöst von einer Beleuchtungseinrichtung mit den Merkmalen des Anspruchs 1. Bevorzugte Weiterbildungen und Ausgestaltungen sind in den abhängigen Ansprüchen angegeben. Gemäß den nebengeordneten Ansprüchen erstreckt sich die Lösung der Aufgabe auch auf ein Kältegerät und auf ein Verfahren zur Montage der erfindungsgemäßen Beleuchtungseinrichtung. Bevorzugte Weiterbildungen und Ausgestaltungen ergeben sich hierfür analog.This object is achieved by a lighting device with the features of claim 1. Preferred developments and refinements are specified in the dependent claims. According to the independent claims, the solution of the problem also extends to a refrigeration device and to a method for mounting the illumination device according to the invention. Preferred developments and refinements are analogous to this.

Zur Lösung der Aufgabe wird eine Beleuchtungseinrichtung vorgeschlagen, die ein wenigstens ein Leuchtmittel aufnehmendes Unterteil und ein am Unterteil befestigbares Oberteil umfasst, wobei vorgesehen ist, dass am Oberteil und am Unterteil mehrere korrespondierende Formschlusselemente angeordnet sind, die der Befestigung des Oberteils am Unterteil dienen, wobei diese Formschlusselemente durch ein Längsverschieben des Oberteils in der Verbindungsebene relativ zum Unterteil in Eingriff gebracht werden können.To solve the problem, a lighting device is proposed which comprises a lower part and a lower part attachable upper part, wherein it is provided that a plurality of corresponding interlocking elements are arranged on the upper part and on the lower part, which serve to attach the upper part to the lower part these form-fitting elements can be brought into engagement by longitudinal displacement of the upper part in the connecting plane relative to the lower part.

Die Verbindungsebene ist die sich quer und insbesondere senkrecht zur Aufsetzrichtung erstreckende Trennebene (Kontaktebene) zwischen Oberteil und Unterteil. Indem die Formschlusselemente der erfindungsgemäßen Beleuchtungseinrichtung durch eine Längsverschiebung des Oberteils in der Verbindungsebene relativ zum Unterteil in Eingriff bringbar sind, kann die erfindungsgemäße Beleuchtungseinrichtung und insbesondere deren Oberteil extrem flach ausgeführt werden, da die herkömmlichen quer zur Trennebene ausgerichteten und somit hochbauenden Rastelemente, sowie die hierzu korrespondierenden Anlaufschrägen zu deren Auslenkung, wie z. B. in der DE 10 2006 013 231 U1 gezeigt, nicht benötigt werden. Die erfindungsgemäße Beleuchtungseinrichtung lässt sich daher, insbesondere auch an schwer zugänglichen Stellen, sehr einfach und rationell montieren. Gleichwohl wird bei der erfindungsgemäßen Beleuchtungseinrichtung nach dem In-Eingriff-Bringen bzw. Schließen der Formschlusselemente eine hervorragende Befestigung des Oberteils am Unterteil erzielt. Das Oberteil kann hiernach nicht mehr angehoben werden. Die erzielte Befestigung des Oberteils am Unterteil erweist sich zudem als äußerst transportsicher.The connecting plane is the transverse plane and in particular perpendicular to the direction of attachment extending parting plane (contact plane) between the upper part and lower part. By the positive locking elements of the illumination device according to the invention by a longitudinal displacement of the upper part in the connecting plane relative to the lower part in engagement can be brought, the lighting device according to the invention and in particular its upper part can be made extremely flat, since the conventional aligned transversely to the parting plane and thus highly constructive locking elements, and the corresponding thereto run-on slopes to the deflection, such. B. in the DE 10 2006 013 231 U1 shown, not needed. The lighting device according to the invention can therefore be very simple and efficient, especially in hard to reach places. Nevertheless, in the lighting device according to the invention after the engagement or closing of the interlocking elements an excellent attachment of the upper part is achieved on the lower part. The top can not be lifted thereafter. The achieved attachment of the upper part on the lower part also proves to be extremely safe to transport.

Bevorzugt ist vorgesehen, dass der Eingriff der korrespondierenden Formschlusselemente zerstörungsfrei wieder lösbar ist. Das Lösen der Eingriffe kann durch entsprechende Krafteinwirkung auf das Oberteil bewerkstelligt werden, was mittels eines Werkzeugs, bevorzugt jedoch ohne Zuhilfenahme eines Werkzeugs erfolgen kann. Somit kann das Oberteil jederzeit vom Unterteil abgenommen werden, um z. B. ein defektes Leuchtmittel auszutauschen.It is preferably provided that the engagement of the corresponding positive-locking elements is non-destructively releasable again. The release of the interventions can be accomplished by appropriate force on the upper part, which can be done by means of a tool, but preferably without the aid of a tool. Thus, the upper part can be removed at any time from the lower part to z. B. to replace a defective bulb.

Die Ausgestaltung der erfindungsgemäßen Beleuchtungseinrichtung sieht vor, dass am Oberteil bezüglich der Verschieberichtung (zum Befestigen) im vorderen Bereich wenigstens zwei Greifhäken oder dergleichen ausgebildet sind, welche mit korrespondierenden Formschlusselementen am Unterteil in Eingriff gebracht werden könnten. Der Eingriff erfolgt bevorzugt dadurch, dass die am Unterteil ausgebildeten Formschlusselemente von den Greifhaken untergriffen werden. Am Oberteil ist bezüglich der Verschieberichtung im hinteren Bereich wenigstens eine Ausnehmung ausgebildet, in welche korrespondierende Greifhaken oder dergleichen am Unterteil eingreifen. Es ist vorgesehen, dass mehrere am Unterteil ausgebildete Greifhaken in diese eine Ausnehmung am Oberteil eingreifen.The embodiment of the illumination device according to the invention provides that at least two Greifhäken or the like are formed on the upper part with respect to the displacement direction (for fastening) in the front region, which could be brought into engagement with corresponding positive locking elements on the lower part. The intervention preferably takes place in that the form-locking elements formed on the lower part are engaged by the gripping hooks. At the upper part, at least one recess is formed with respect to the displacement direction in the rear region, in which corresponding gripping hooks or the like engage on the lower part. It is envisaged that a plurality of gripping hooks formed on the lower part engage in this recess on the upper part.

An der erfindungsgemäßen Beleuchtungseinrichtung ist bevorzugt wenigstens ein zwischen Oberteil und Unterteil wirksamer Rastmechanismus vorgesehen, der eine.Fixierung des Oberteils relativ zum Unterteil bewirkt. Die durch den Rastmechanismus herbeiführbare Fixierung soll verhindern, dass das Oberteil in einfacher Weise entgegen der Verschieberichtung (zum Befestigen) zurückgeschoben werden kann.At the lighting device according to the invention preferably at least one effective between the upper part and lower part latching mechanism is provided, which causes ein.Fixierung of the upper part relative to the lower part. The cause by the locking mechanism Fixing is to prevent the upper part can be pushed back in a simple manner against the direction of displacement (for fastening).

Nach einer vorteilhaften Ausgestaltung der Erfindung ist vorgesehen, dass das Oberteil und das Unterteil in ihrer Eingriffsposition zueinander kraftschlüssig, insbesondere durch Federkraft, entgegen der Eingriffsrichtung in Eingriffsposition gehalten sind. Die sichernde Kraft wird bevorzugt durch die elastische Verformung von Oberteil und/oder Unterteil erreicht.According to an advantageous embodiment of the invention, it is provided that the upper part and the lower part are held in their engagement position to each other non-positively, in particular by spring force, counter to the engagement direction in the engaged position. The securing force is preferably achieved by the elastic deformation of the upper part and / or lower part.

Gemäß einer bevorzugten Ausgestaltung weist dieser Rastmechanismus einen am Unterteil ausgebildeten steifen Rastvorsprung und einen am Oberteil ausgebildeten steifen Rastabschnitt auf. Mit "steif" ist gemeint, dass diese Rastelemente nicht in der sonst üblichen Weise federelastisch ausgebildet sind. Der Rastabschnitt am Oberteil und der Rastvorsprung am Unterteil gleiten beim Längsverschieben des Oberteils relativ zum Unterteil aufeinander ab und bewirken hierbei zunächst ein elastisches Durchbiegen des Oberteils (Wegdrücken des Oberteils vom Unterteil), bis der Rastabschnitt am Oberteil den Rastvorsprung am Unterteil form schlüssig hintergreifen kann, wobei die Rastkraft aus der elastischen Durchbiegung des Oberteils erzeugt wird. Durch dieses Hintergreifen erfolgt die Fixierung zwischen Oberteil und Unterteil. Das Oberteil kann dann nicht mehr in einfacher Weise zurückgeschoben werden, sondern es muss zunächst die Fixierung durch Anheben des Oberteils, wodurch ein Aufheben des Formschlusses zwischen Rastabschnitt und Rastvorsprung bewirkt wird, gelöst werden, was mit einem Werkzeug (bspw. mit einem Schlitzschraubendreher), bevorzugt jedoch ohne Zuhilfenahme eines Werkzeugs möglich ist.According to a preferred embodiment, this latching mechanism has a rigid latching projection formed on the lower part and a rigid latching section formed on the upper part. By "stiff" is meant that these locking elements are not designed to be resilient in the usual way. The latching portion on the upper part and the latching projection on the lower part slide on the longitudinal displacement of the upper part relative to the lower part and thereby cause first an elastic bending of the upper part (pushing away the upper part of the lower part) until the locking portion on the upper part of the locking projection on the lower part form-fitting behind, wherein the latching force is generated from the elastic deflection of the upper part. By this engagement behind the fixation between the upper part and lower part. The upper part can then no longer be pushed back in a simple manner, but it must first the fixation by lifting the upper part, whereby a release of the positive connection between locking portion and locking projection is effected, be solved with a tool (eg. With a flat-head screwdriver), but preferably without the aid of a tool is possible.

Bevorzugt ist vorgesehen, dass das Oberteil eine flache und ebene Abdeckung ist. Die Höhe der Abdeckung beträgt z. B. maximal 5 mm, bevorzugt maximal 4 mm und insbesondere maximal 3 mm. Bevorzugt ist diese Abdeckung zumindest teilweise aus einem lichtdurchlässigen Material gebildet. Ebenso ist bevorzugt vorgesehen, dass das Unterteil ein Hinterlegteil ist. Ein Hinterlegteil dient der Befestigung der Beleuchtungseinrichtung an einer Gehäusewand. Hierzu wird dieses Hinterlegteil hinter einer passenden Öffnung in der Gehäusewand positioniert und stützt sich am Rand dieser Öffnung ab.It is preferably provided that the upper part is a flat and flat cover. The height of the cover is z. B. maximum 5 mm, preferably not more than 4 mm and in particular not more than 3 mm. Preferably, this cover is at least partially formed of a translucent material. Likewise, it is preferably provided that the lower part is a backing part. A backing part serves for fastening the illumination device to a housing wall. For this purpose, this Hinterlegteil is positioned behind a matching opening in the housing wall and is supported on the edge of this opening.

Das Oberteil und das Unterteil sind bevorzugt aus einem kältefesten Kunststoffmaterial gebildet. Insbesondere handelt es sich bei dem Unterteil um ein einstückiges Spritzgussteil. Bei dem Oberteil kann es sich ebenfalls um ein einstückiges Spritzgussteil oder um ein mehrstückiges Bauteil aus miteinander gefügten Einzelstücken handeln.The upper part and the lower part are preferably formed of a cold-resistant plastic material. In particular, the lower part is a one-piece injection-molded part. The upper part can likewise be an integral injection-molded part or a multi-part component made of individual pieces joined together.

Die Lösung der oben genannten Aufgabe erstreckt sich auch auf ein Kältegerät, wie insbesondere einen Kühlschrank, einen Weinlagerschrank oder einen Gefrierschrank, das wenigstens eine erfindungsgemäße Beleuchtungseinrichtung aufweist. Bei dieser Beleuchtungseinrichtung handelt es sich insbesondere um eine Innenbeleuchtungseinrichtung, die im gekühlten Innenraum und zwar vorzugsweise an der Innenbehälterwand des Kältegeräts angeordnet ist.The solution to the abovementioned object also extends to a refrigeration appliance, in particular a refrigerator, a wine storage cabinet or a freezer, which has at least one lighting device according to the invention. This illumination device is, in particular, an interior lighting device which is arranged in the cooled interior and preferably on the inner container wall of the refrigeration device.

Die Lösung der oben genannten Aufgabe erstreckt sich zudem auch auf ein Verfahren zur Montage einer erfindungsgemäßen Beleuchtungseinrichtung an der Gehäusewand eines Großelektrogeräts und insbesondere auf ein Verfahren zur Montage einer erfindungsgemäßen Beleuchtungseinrichtung (Innenbeleuchtungseinrichtung) an der Innenbehälterwand eines Kältegeräts, wobei zunächst das Unterteil an der Gehäusewand positioniert wird und nachfolgend das Oberteil am Unterteil befestigt wird, wozu das Oberteil auf das Unterteil aufgesetzt wird und in der Verbindungsebene relativ zum Unterteil verschoben wird, wodurch die am Oberteil und am Unterteil angeordneten korrespondierenden Formschlusselemente miteinander in Eingriff gelangen.The solution of the above-mentioned object also extends to a method for mounting a lighting device according to the invention on the housing wall of a large electrical device and in particular to a method for mounting a lighting device according to the invention (interior lighting device) on the inner container wall of a refrigerator, wherein initially positioned the lower part of the housing wall and subsequently the upper part is fastened to the lower part, for which purpose the upper part is placed on the lower part and is displaced in the connecting plane relative to the lower part, whereby the arranged on the upper part and the lower part corresponding interlocking elements engage with each other.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden, beispielhaften Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die beigefügten Figuren. Es zeigen:

Fig. 1
die Draufsicht auf die Oberseite des Unterteils einer erfindungsgemäßen Beleuchtungseinrichtung;
Fig. 2
eine Draufsicht auf die Unterseite des zum Unterteil der Fig. 1 zugehörigen Oberteils;
Fig. 3
die Montage des Oberteils der Fig. 2 am Unterteil der Fig. 1; und
Fig. 4
das am Unterteil der Fig. 1 befestigte Oberteil der Fig. 2.
Further features and advantages of the invention will become apparent from the following, exemplary description of an embodiment with reference to the accompanying figures. Show it:
Fig. 1
the top view of the top of the lower part of a lighting device according to the invention;
Fig. 2
a plan view of the bottom of the lower part of the Fig. 1 associated upper part;
Fig. 3
the assembly of the upper part of the Fig. 2 at the bottom of the Fig. 1 ; and
Fig. 4
at the bottom of the Fig. 1 attached shell of the Fig. 2 ,

Die im Folgenden verwendeten Richtungsangaben beziehen sich auf die in den Figuren gezeigten Darstellungen.The directions used below refer to the representations shown in the figures.

Fig. 1 zeigt ein insgesamt mit 10 bezeichnetes Unterteil einer erfindungsgemäßen Beleuchtungseinrichtung, wobei es sich um ein sog. Hinterlegteil handelt, wie bereits obenstehend erläutert. Das Unterteil 10 weist einen Korpus 11 für die Aufnahme eines nicht dargestellten Leuchtmittels auf. Mit 12 ist ein im Korpus 11 integrierter Reflektorabschnitt bezeichnet. Mit 14a bis 14h sind Halteelemente bezeichnet, die der Befestigung des Unterteils 10 hinter einer passenden Öffnung in einer Gehäusewand dienen, was Gegenstand einer anderen Patentanmeldung ist. Mit 13 ist eine am Korpus ausgebildete umlaufende Dichtlippe zur Abstützung des Hinterlegteils 10 an der Gehäusewand und zur Abdichtung der Öffnung in der Gehäusewand bezeichnet. Das Unterteil 10 ist einstückig als Kunststoff-Spritzgussteil ausgebildet. Fig. 1 shows a generally designated 10 lower part of a lighting device according to the invention, which is a so-called. Backing part, as already explained above. The lower part 10 has a body 11 for receiving a light bulb, not shown. With 12 in the body 11 integrated reflector section is designated. With 14a to 14h holding elements are referred to, which serve the attachment of the lower part 10 behind a matching opening in a housing wall, which is the subject of another patent application. With 13 a trained on the body circumferential sealing lip for supporting the backing part 10 is designated on the housing wall and for sealing the opening in the housing wall. The lower part 10 is integrally formed as a plastic injection molded part.

Fig. 2 zeigt ein zum Unterteil 10 der Fig. 1 gehörendes und insgesamt mit 20 bezeichnetes Oberteil der Beleuchtungseinrichtung. Das Oberteil 20 weist einen ebenfalls einstückig als Kunststoff Spritzgussteil ausgebildeten Rahmen 21 auf, der ein klares Fenster 22 trägt. Der Rahmen 21 und das Fenster 22 sind z. B. miteinander verklebt und/oder verschweißt. Mit 24a und 24b sind zwei Greifhaken bezeichnet, die gegenüberliegend an den beiden Längsseiten des Rahmens 21 ausgebildet sind. Mit 25 ist eine an der linken Breitseite des Rahmens 21 ausgebildete und in der gezeigten Darstellung verdeckte Ausnehmung bezeichnet, die sich nahezu über die gesamte Breite des Oberteils 20 erstreckt. An der rechten Breitseite 21a des Rahmens 21 ist ein zu einem Rastmechanismus gehörender Rastabschnitt 27 ausgebildet. Am Rahmen 21 sind ferner zwei Abstandshalter 27a und 27b für die Beabstandung zum Unterteil 10 umfasst. Fig. 2 shows a to the lower part 10 of Fig. 1 belonging and generally designated 20 upper part of the lighting device. The upper part 20 has a likewise integrally formed as a plastic injection molded part frame 21, which carries a clear window 22. The frame 21 and the window 22 are z. B. glued together and / or welded. With 24a and 24b two gripping hooks are referred to, which are formed opposite to the two longitudinal sides of the frame 21. With 25 is formed on the left broad side of the frame 21 and concealed in the representation shown recess which extends over almost the entire width of the upper part 20. On the right broad side 21a of the frame 21 a latching mechanism belonging to a latching portion 27 is formed. On the frame 21, two spacers 27a and 27b for the spacing to the lower part 10 are further included.

Zum Befestigen des Oberteils 20 am Unterteil 10 wird dieses auf das Unterteil 10 aufgesetzt und anschließend in der Verbindungsebene verschoben, wie nachfolgend im Zusammenhang mit der Fig. 3 erläutert. Die in der Fig. 3 dargestellten Schnitte entsprechen den in den Fig. 1 und Fig. 2 angegebenen Schnittverläufen.To attach the upper part 20 on the lower part 10, this is placed on the lower part 10 and then moved in the connection plane, as described below in connection with the Fig. 3 explained. The in the Fig. 3 shown sections correspond to those in the Fig. 1 and Fig. 2 specified cutting progressions.

Fig. 3 zeigt die Ausgangsposition zum Befestigen des Oberteils 20 am Unterteil 10. Ausgehend von dieser Ausgangsposition wird das Oberteil 20 auf das Unterteil 10 aufgesetzt, was durch den Bewegungspfeil 1 verdeutlicht ist. Anschließend wird das Oberteil 20 in der Verbindungsebene (siehe Fig. 4) bezüglich des Unterteils 10 nach rechts verschoben, was durch den Bewegungspfeil 2 verdeutlicht ist. Beim Verschieben untergreifen die Greifhaken 24a und 24b im bezüglich der Verschieberichtung 2 vorderen Bereich des Oberteils 20 die Halteelemente 14d und 14f (siehe Fig. 1) des Unterteils 10. Ferner greifen die Halteelemente 14h, 14a und 14b des Unterteils 10 (siehe Fig. 1) in die Ausnehmung 25 am Oberteil 20 ein. Durch den sich einstellenden Eingriff der annähernd gleichmäßig verteilten Formschlusselemente wird in jedem Abschnitt eine optimale Befestigung des Oberteils 20 am Unterteil 10 erzielt. Die gezeigte Ausbildung und Anordnung der Formschlusselemente ist jedoch nur beispielhaft. Die Halteelemente 14a, 14b, 14d, 14f und 14h am Unterteil 10 dienen einerseits der Befestigung des Unterteils 10 an der Gehäusewand und andererseits der Befestigung des Oberteils 20 am Unterteil 10. Fig. 3 Starting from this initial position, the upper part 20 is placed on the lower part 10, which is illustrated by the movement arrow 1. Subsequently, the upper part 20 in the connection plane (see Fig. 4 ) with respect to the lower part 10 is shifted to the right, which is illustrated by the movement arrow 2. When moving engage the gripping hooks 24a and 24b in relation to the direction of the front 2 region of the upper part 20, the holding elements 14d and 14f (see Fig. 1 ) of the lower part 10. Furthermore, the holding elements 14h, 14a and 14b of the lower part 10 engage (see Fig. 1 ) in the recess 25 on the upper part 20 a. As a result of the self-adjusting engagement of the approximately evenly distributed positive-locking elements, an optimal fastening of the upper part 20 to the lower part 10 is achieved in each section. The embodiment and arrangement of the positive locking elements shown, however, is only an example. The holding elements 14a, 14b, 14d, 14f and 14h on the lower part 10 serve on the one hand for fastening the lower part 10 to the housing wall and on the other hand for fastening the upper part 20 on the lower part 10.

Beim Verschieben des Oberteils 20 relativ zum Unterteil 10 in der Verschieberichtung 2 gleitet der Rastabschnitt 27 am Oberteil 20 auf dem als Rastvorsprung ausgebildeten Halteelement 14e (siehe Fig. 1) am Unterteil 10 ab. Hierbei wird das bezüglich der Verschieberichtung 2 vordere Rahmenabschnitt 21a des Oberteils 20 elastisch angehoben. Da die Greifhaken 24a und 24b bereits die korrespondierenden Formschlusselemente 14d und 14f des Unterteils 10 untergreifen, kommt es zur Durchbiegung bzw. Wölbung des vorderen Rahmenabschnitts 21 nach oben, was in Fig. 3 durch den Pfeil 3 verdeutlicht ist. Hierdurch wird eine elastische Rückstellkraft erzeugt, die dafür sorgt, dass beim Weiterverschieben des Oberteils 20 in der Verschieberichtung 2 der Rastabschnitt 27 schließlich den Rastvorsprung bzw das Halteelement 14e am Unterteil 10 formschlüssig hintergreifen kann, wodurch die Verschiebebewegung 2 wahrnehmbar beendet und das Oberteil 20 zum Unterteil 10 fixiert ist. Eine Arretierung in seitlicher Richtung wird im Übrigen durch den Eingriff der Greifhaken 24a und 24b unter die Halteelemente 14d und 14f, sowie durch den Eingriff der Halteelemente 14h und 14b in die Ausnehmung 25 bewerkstelligt.When moving the upper part 20 relative to the lower part 10 in the displacement direction 2, the latching portion 27 slides on the upper part 20 on the latching projection 14e designed as a retaining element (see Fig. 1 ) on the lower part 10. Here, with respect to the direction of displacement 2 front frame portion 21a of the upper part 20 is raised elastically. Since the gripping hooks 24a and 24b already engage under the corresponding form-fit elements 14d and 14f of the lower part 10, the bending or curvature of the front frame section 21 is upwards, which results in Fig. 3 is illustrated by the arrow 3. As a result, an elastic restoring force is generated, which ensures that upon further displacement of the upper part 20 in the direction 2, the locking portion 27 finally the locking projection or the holding element 14e can engage behind the lower part 10 positively, whereby the sliding movement 2 perceptibly terminated and the upper part 20 to the lower part 10 is fixed. Incidentally, locking in the lateral direction is accomplished by the engagement of the gripping hooks 24a and 24b under the holding elements 14d and 14f, as well as by the engagement of the holding elements 14h and 14b in the recess 25.

Fig. 4 zeigt das am Unterteil 10 befestigte und fixierte Oberteil 20. Die aus Unterteil 10 und Oberteil 20 gebildete Beleuchtungseinrichtung ist insgesamt mit 100 bezeichnet. In Fig. 4 ist die Verbindungsebene zwischen Oberteil 20 und Unterteil 10 strichpunkliniert dargestellt und mit E bezeichnet. In Fig. 4 ist sehr gut die flache und ebene Ausbildung des Oberteils 20 zu erkennen. Wird die gezeigte Beleuchtungseinrichtung 100 als Innenbeleuchtung für ein Kältegerät verwendet, so ragt das Oberteil 20 nur wenig in den Innenraum des Kältegeräts hinein, was zu einer guten Platzausbeute im Innenraum des Kältegeräts führt. In Fig. 4 ist ferner auch sehr gut die verhältnisnmäßig geringe Bauhöhe des Unterteils 10 zu erkennen, wodurch z. B. eine einfache Montage an einer nicht dargestellten Gehäusewand ermöglicht wird. Mit 17 ist ein Anschlussstück am Unterteil 10 für die elektrische Kontaktierung bezeichnet. Fig. 4 shows the attached to the lower part 10 and fixed upper part 20. The lighting device formed from the lower part 10 and upper part 20 is designated 100 in total. In Fig. 4 the connection plane between upper part 20 and lower part 10 is shown with a dash-dot line and designated E. In Fig. 4 is very good the flat and even education of the upper part 20 to recognize. If the lighting device 100 shown is used as interior lighting for a refrigeration appliance, then the upper part 20 protrudes only slightly into the interior of the refrigeration appliance, which leads to a good space yield in the interior of the refrigeration appliance. In Fig. 4 is also very good to recognize the relatively low height of the lower part 10, whereby z. B. a simple installation on a housing wall, not shown, is made possible. 17 with a connector on the lower part 10 is designated for the electrical contact.

Um das Oberteil 20 vom Unterteil 10 abnehmen zu können, muss zunächst der rechte bzw. vordere Rahmenabschnitt 21a angehoben werden, um eine Aufhebung des Formschlusses zwischen dem Rastabschnitt 27 und dem Rastvorsprung bzw. Halteelement 14e herbeizuführen. Um das Anheben des vorderen Rahmenabschnitts 21a zu erleichtern, kann an dessen Unterseite eine Ausnehmung (bzw. ein Schlitz) ausgebildet sein, die den Eingriff eines Werkzeugs (z. B. eines Schlitzschraubendrehers) erlaubt. Hiernach lässt sich das Oberteil 20 in der der Verschieberrichtung 2 entgegengesetzten Richtung zurückschieben, wobei die im Eingriff befindlichen Formschlusselemente (wie obenstehend erläutert) außer Eingriff gebracht werden. Anschließend lässt sich das Oberteil 20 vom Unterteil 10 abheben.In order to be able to remove the upper part 20 from the lower part 10, the right or front frame section 21a first has to be raised in order to bring about a cancellation of the positive connection between the latching section 27 and the latching projection or holding element 14e. In order to facilitate the lifting of the front frame portion 21a, a recess (or a slit) may be formed on the underside thereof which allows engagement of a tool (eg, a slotted screwdriver). After this, the upper part 20 can be pushed back in the direction opposite to the direction of displacement 2, whereby the interlocking positive locking elements (as explained above) are disengaged. Subsequently, the upper part 20 can be lifted off the lower part 10.

Claims (9)

  1. Lighting unit (100) for a large electrical household appliance, in particular an interior lighting unit for a household refrigeration appliance, with a base part (10) which receives the luminous element and a top part (20) which can be attached to the base part (10),
    wherein a number of corresponding positive engagement elements are arranged on the top part (20) and on the base part (10), which serve to attach the top part (20) to the base part (10), said positive engagement elements being able to be made to engage by displacing the top part (20) longitudinally (2) in the connection plane (E) relative to the base part (10), wherein two gripping hooks (24a, 24b) are configured on the top part (20) in the front region in respect of the displacement direction (2), which can be made to engage with corresponding positive engagement elements (14d, 14f) on the base part (10), wherein the gripping hooks (24a, 24b) engage below the positive engagement elements (14d, 14f) configured on the base part (10), characterised in that a recess (25) is configured on the top part (20) in the rear region in respect of the displacement direction (2), wherein a number of gripping hooks (14a, 14b, 14h) are configured on the base part (10), which gripping hooks (14a, 14b, 14h) can engage into said one recess (25).
  2. Lighting unit (100) according to claim 1,
    characterised in that
    the engagement of the corresponding positive engagement elements can be released non-destructively.
  3. Lighting unit (100) according to one of the preceding claims,
    characterised in that
    at least one latching mechanism, which acts between top part (20) and base part (10) is provided, bringing about fixing of the top part (20) relative to the base part (10).
  4. Lighting unit (100) according to one of the preceding claims, characterised in that the top part (20) and base part (10) are secured in their engagement positions with a force fit, in particular by spring force, counter to the engagement direction.
  5. Lighting unit (100) according to one of the preceding claims,
    characterised in that
    the latching mechanism has a stiff latching projection (14e) configured on the base part (10) and a corresponding stiff latching segment (27) configured on the top part (20), which slide onto one another when the top part (20) is displaced longitudinally (2) relative to the base part (10), hereby initially bringing about elastic deflection (3) of the top part (20), bringing about the force fit securing of the engagement position, until the latching segment (27) can engage behind the latching projection (14e).
  6. Lighting unit (100) according to one of the preceding claims,
    characterised in that
    the top part (20) is a flat and smooth cover.
  7. Lighting unit (100) according to one of the preceding claims,
    characterised in that
    the base part (10) is a backing piece.
  8. Refrigeration appliance, in particular a household refrigerator or freezer, having at least one lighting unit (100) according to one of the preceding claims.
  9. Method for fitting a lighting unit (100) according to one of claims 1 to 7 on the housing wall of a large electrical appliance, with the base part (10) being positioned on the housing wall first and the top part (20) then being attached to the base part (10), to which end the top part (20) is positioned on the base part (10) and displaced in the connection plane (E) relative to the base part (10), with the result that the corresponding positive engagement elements arranged on the top part (20) and on the base part (10) engage with one another, wherein the gripping hooks (24a, 24b) engage below the positive engagement elements (14d, 14f) configured on the base part (10), wherein the gripping hooks (14a, 14b, 14h) engage into said one recess (25) on the top part (20).
EP11773298.2A 2010-11-08 2011-10-25 Lighting unit for a large electrical device Active EP2638345B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010043545A DE102010043545A1 (en) 2010-11-08 2010-11-08 Lighting device for a large electrical appliance
PCT/EP2011/068652 WO2012062570A2 (en) 2010-11-08 2011-10-25 Lighting unit for a large electrical device

Publications (2)

Publication Number Publication Date
EP2638345A2 EP2638345A2 (en) 2013-09-18
EP2638345B1 true EP2638345B1 (en) 2016-09-14

Family

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Application Number Title Priority Date Filing Date
EP11773298.2A Active EP2638345B1 (en) 2010-11-08 2011-10-25 Lighting unit for a large electrical device

Country Status (6)

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US (1) US9689561B2 (en)
EP (1) EP2638345B1 (en)
CN (1) CN103201574B (en)
DE (1) DE102010043545A1 (en)
RU (1) RU2539922C1 (en)
WO (1) WO2012062570A2 (en)

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Also Published As

Publication number Publication date
EP2638345A2 (en) 2013-09-18
WO2012062570A3 (en) 2012-12-13
CN103201574A (en) 2013-07-10
WO2012062570A2 (en) 2012-05-18
CN103201574B (en) 2016-03-23
US9689561B2 (en) 2017-06-27
RU2539922C1 (en) 2015-01-27
RU2013123883A (en) 2014-12-20
DE102010043545A1 (en) 2012-05-10
US20130208446A1 (en) 2013-08-15

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