EP1957861B1 - Damp-proof luminaire having at least one locking web acting between a trough-shaped housing and a cover - Google Patents

Damp-proof luminaire having at least one locking web acting between a trough-shaped housing and a cover Download PDF

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Publication number
EP1957861B1
EP1957861B1 EP06818853A EP06818853A EP1957861B1 EP 1957861 B1 EP1957861 B1 EP 1957861B1 EP 06818853 A EP06818853 A EP 06818853A EP 06818853 A EP06818853 A EP 06818853A EP 1957861 B1 EP1957861 B1 EP 1957861B1
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EP
European Patent Office
Prior art keywords
edge
housing
web
luminaire according
cover
Prior art date
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Application number
EP06818853A
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German (de)
French (fr)
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EP1957861A1 (en
Inventor
Bernd Walser
Wolfgang Gadner
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Zumtobel Lighting GmbH Austria
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Zumtobel Lighting GmbH Austria
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Publication of EP1957861A1 publication Critical patent/EP1957861A1/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
    • F21V31/00—Gas-tight or water-tight arrangements
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/30—Lighting for domestic or personal use
    • F21W2131/301—Lighting for domestic or personal use for furniture
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Definitions

  • the invention relates to a wet room lamp according to the preamble of claim 1.
  • a wet room lamp of this type is formed with a two-part lighting overall housing, of which one part is a trough-shaped housing, the fastening elements for attachment to a support, for.
  • the other part is formed by an at least partially transparent cover, which is releasably connected by closure elements with the trough-shaped housing.
  • the cover In the overall housing formed by the trough-shaped housing and the cover at least one lamp is arranged, which is mechanically and electrically connected, and emits their radiated during operation light through the transparent cover for room lighting.
  • a wet room lamp of the type specified is z. B. in the EP 0 785 391 A1 described.
  • this prior art lamp are used to attach the cover on the trough-shaped housing in principle C-shaped closure elements, which are formed as separate components, and of which engages an end portion of the C-shape with a locking leg in a pocket-shaped undercut on the trough-shaped housing, over the Dividing joint between the trough-shaped housing and the cover extends beyond and engages with its other end portion of the C-shape edge of the cover with a certain tensile stress and thereby compresses the trough-shaped housing and the cover with a certain elastic clamping voltage.
  • the peripheral wall of the housing branches in the region of the circumferential housing edge with an outer and an inner edge region, which extend transversely to the plane of the housing opening and terminate at the housing edge.
  • the cover has a central edge region which extends in a comb-like manner at a lateral distance between the outer and the inner edge region, wherein the edge of the cover extends to the outer edge region and rests flat against the latter.
  • a luminaire is known with a first half-shell which forms a roof and a second, transparent half-shell which forms a trough.
  • the two half-shells have corresponding edges, which allow the assembly with an interposed elastic seal.
  • the object of the invention is to improve the protection against the ingress of water in the region of the dividing joint between the housing and the cover in the case of a damp-proof luminaire of the type specified at the outset. This object is solved by the features of claim 1. Advantageous developments of the invention are described in the appended subclaims.
  • the edge region of the cover with at least one peripheral edge on the Nutenwandung or the groove bottom.
  • the barrier effect against the ingress of water is improved by the investment of the edge of the central edge region on the outer and / or on the inner taper, because this system results in a circumferential barrier in the sense of a ring seal.
  • Another advantage is that the aforementioned system can form the stops by which the housing and the cover are spaced apart and abut each other in a certain position. Since such a stop extends circumferentially, the investment position is very stable. Special attacks between the housing and the cover can thus be omitted, which contributes to the simplification.
  • the embodiments of the invention are particularly suitable for a ceiling light in which the comb-like interlocking edge regions form a barrier against the ingress of water.
  • a ring clearance in the groove opposite the edge region of the cover. This space can serve to receive a ring seal, which allow a sealing of the dividing joint between the housing and the cover.
  • barrier web in a distance extending along the edge regions from the edge of the cover. This gives the outer edge region the shape of an effective drip edge.
  • trough-shaped housing 2 The main parts of in Fig. 1 in their entirety designated 1 wet room light are a trough-shaped housing 2, a so arranged by a plurality of circumferentially spaced closure devices 3 releasably connected cover 4 and a cavity 5 between the trough-shaped housing 2 and the cover 4 arranged lamp 6, which at least an unillustrated mechanical and electrical connection element is connected and held.
  • the closure devices 3 are present in all embodiments.
  • the embodiment is a wet room light, which meets in this regard special protection requirements, eg. B. against the ingress of splashing u. a. in the region of the dividing joint 7 between the trough-shaped housing 2 and the cover 4 is splash-proof.
  • This protection can in the area of the dividing joint 7 by overlapping and, for. B. comb-like, interlocking and circumferentially extending circumferentially extending edge portions of the housing 2 and the cover 4 be splash-proof.
  • the border areas can z. B. be formed by web walls 8a, 8b, 8c, which form a labyrinth, which provides the ingress of spray water protection.
  • the trough-shaped housing wall 2a branches in its free edge region to two web walls 8a, 8b, which have a transverse distance from one another, which is larger than an edge region 8c bordering the edge regions 8a, 8b of the edge region of the cover 4.
  • the edge regions or web walls 8a, 8b, 8c are transverse to the dividing joint 7 or transversely to the plane of the housing opening of the housing wall or from the edge region of the cover 4 from.
  • the dividing joint 7 may preferably be sealed in addition to the labyrinth by a ring seal having a sealing ring D, the z. B. in the bottom of the existing between the web walls 8a, 8b existing circumferential groove 2b, and against which the web wall 8c presses.
  • the sealing ring D is made of soft material, eg. B. from a foam tape.
  • the outer wall web 8b of the housing wall 2a is part of a widening step 9 in the free edge region of the housing wall 2a.
  • the housing wall 2a has on its a carrier, for. As a ceiling or wall of a room, facing investment side 11 fasteners 12, which serve the attachment to the carrier.
  • the lamp 1 has an elongated and straight-extending shape whose length L1 is a multiple of its width B. Accordingly, the trough-shaped housing 2 and the cover 4 are formed. This consists at least in their housing 2 facing away, z. B. dome-shaped area or in the embodiment of a total of a transparent material, for. As glass or plastic, through which the light of the lamp 6 in the main emission direction S but also radiates to the sides.
  • the closure device 3 a closure element 3a in a generally C-shaped longitudinal cross-sectional shape, whose end portions are designated 3b, 3c, which engages behind the trough-shaped housing 2 with its upper end portion 3b and at the same time, preferably by clamping, in a pocket 13 engages in the housing 2, which is open to the dividing joint 7 side facing away, and with two opposite pocket walls 13a, 13b, which extend approximately parallel to the longitudinal center plane 15, with or without undersize to the size of the end portion 3b is adapted.
  • the recess 13 may extend continuously in the longitudinal direction of the lamp 1.
  • the closure member 3a extends from the end portion 3b substantially in an adapted to the associated outer shape of the housing 2 form the outside of the lamp housing to the cover 4, wherein it extends beyond the dividing joint 7 and with the associated end portion 3c a widening step 10 on the cover 4 engages behind, optionally engages in a recess 10a formed thereon.
  • the latter is done with an angular or curved inward extending, the end portion 3c forming Hintergreifschenkel 3d, which is secured by a securing device 14 in its tuck position.
  • the securing device 14 can be formed in that the Hintergreifschenkel 3d is biased obliquely inwardly against the widening shoulder 10 with respect to the transversely or perpendicular to the dividing joint 7 extending longitudinal center plane 15 of the lamp 1, so that this voltage him inward and not outward draws.
  • This is achieved in that the rear grip of the end portion 3c is arranged at a distance a from the longitudinal center plane 15, which is greater than the distance b of the rear grip of the end portion 3b of the longitudinal center plane 15.
  • Hintergreifschenkel 3d a clamping force 16 the effective direction includes an acute angle W1 with the longitudinal center plane 15.
  • This clamping force can be based on an elastic bending of the end region 3b and / or the end region 3c and / or the shape of the closure element 3a that follows the widening step 9 with respect to the step shape.
  • the closure element 3a is formed by a flat over its entire length extending web 3e, whose thickness is denoted by d.
  • the hook-shaped to the free end portion 3c projecting end portion 3b of the closure element 3a can be locked by a locking device 17 in the pocket 13 against accidental withdrawal and thus loosening.
  • the lock can z. B. based on a transversely to the end portion 3b and against the side walls of the pocket 13 effective clamping action.
  • the transversely extending dimension of the groove 2b is greater than the thickness of the central web wall 8c, which results in a distance c between the inner web wall 8a and the central web wall 8c and between the outer web wall 8b and the middle web wall 8c gives a distance d.
  • the distances c, d give circumferential annular gaps between the comb-like intermeshing web walls 8a, 8b, 8c.
  • the first construction is arranged at a distance d or overlap area between the outer web wall 8b and the middle web wall 8c and according to FIG Fig. 2 and 3 formed by a barrier web 19 which protrudes from one of the two web walls 8b, 8c transversely to the opposite web wall and projecting in the embodiment of the middle web wall 8c to the outer web wall 8b out.
  • the barrier web 19 is preferably arranged in the foot region of the inner web wall 8c. It has proven to be particularly advantageous to arrange the barrier web 19 at a distance e from the free edge of the outer web wall 8b, this design refers to the mounting position of the housing 2 and the cover 4.
  • the parallel to the distance d extending ring height f of the locking ridge 19 is slightly smaller than the distance d, so that between the barrier web 19 and the opposite inner surface of the web wall 8b an annular gap or distance g, which is preferably smaller than half of the distance d.
  • the free edge of the outer web wall 8b facing away from the shoulder surface of the locking ridge 19 is preferably formed to the free edge of the outer web wall 8b inclined.
  • the inner web wall 8a may be dimensioned shorter than the outer web wall 8b, whereby material and weight is saved.
  • a second construction is a modification of the first construction according to Fig. 1 in which a blocking web 19a projects from the outer web wall 8b to the middle web wall 8c instead of the middle web wall 8c.
  • the modification of the embodiment according to Fig. 3 can -. B. without the combination with the barrier rib 19 a - be seen therein that the z. B. protruding from the central wall web 8c barrier web 19 may have a converging to its free end cross-sectional shape, according to Fig. 4 z. B. sawtooth, wherein the free edge of the central web wall 8c facing side surface with respect to the vertical center plane 15 inclined expires, while the side facing away from the free edge of the web wall 8c side surface extends approximately at right angles to the vertical longitudinal center plane 15.
  • Such a cross-sectional shape and design results in a barrier rib 19 in the form of a sealing lip, which - if it is dimensioned so long that their free edge rests against the respectively opposite web wall - during mating of the housing 2 and the cover 4 or the web walls 8a, 8b, 8c is elastically bent without hindering the mating and exerts a sealing function by its elastic restoring force.
  • Fig. 4 shows by way of example that two barrier ribs 19a, 19 arranged one behind the other and can protrude from the opposing web walls 8b, 8c.
  • the preferably elastically ein ⁇ and ausbiegbare barrier rib 19 can be arranged behind the non-ein- and ausbiegbaren barrier rib 19 a, the latter fulfill the function of a locking element and z. B. may have a small dimension h, the z. B. is less than half of the distance d.
  • the barrier rib 19 a can thus be formed by non-circumferential locking elements, which may consist of a plurality of successively arranged peripheral portions in the circumferential direction, for. B. from circumferentially spaced cam, the z. B. an in Fig. 4 have visible round cross-sectional shape or a hemispherical cross-sectional shape.
  • the second construction according to the embodiment Fig. 4 may be provided with the first construction in combination, has on the inside of the outer web wall 8b a taper 23a of the groove 2b, which is formed by a convergent boundary surface 23c of the outer web wall 8b, the middle web wall 8c in its free edge region at the taper 23a is present, preferably with a also convergent to its free end boundary surface 8d, and forms a ring seal.
  • the middle web wall 8c is supported on the inside of the inner web wall 8a, can be achieved with the middle web wall 8c sufficient sealing by a linear or surface contact of the free end portion of the central web wall 8c.
  • the inner web wall 8a of the taper 23a may have a taper 23b bounded by a convergent boundary surface 23d against which the middle web wall 8c bears, preferably likewise with a convergent boundary surface 8e.
  • the boundary surfaces 23c, 23d, 8e, 8d are preferably formed symmetrically with respect to the central axis of the central web wall 8c.
  • Between the middle web wall 8c and the inner web wall 8a is preferably a small distance i present to ensure a clearance during mounting or dismounting.
  • the convergence of the taper 23a may be formed by the outer web wall 8b extending convergently overall in the associated wall area, preferably obliquely Fig. 4 shows.
  • a preferably made of elastic material existing sealing ring against which presses the free edge of the middle web wall 8c and thereby additionally seals the dividing joint 7 thus formed is.
  • a comparable sealing ring can also be used in the second Chamber 22b may be arranged and cooperate with the free edge of the central web wall 8c.
  • the housing 2 and the cover 4 are preferably made of plastic, wherein they are each made with the associated web walls 8a, 8b, 8c and the one or more locking webs 19 by injection molding.

Abstract

The invention relates to a damp-proof luminaire having a trough-shaped housing (2), which is provided with a circumferential marginal groove (18), having a transparent cover (4), which covers the open side of the housing (2), whose circumferential marginal region (8c) enters into the marginal groove (18) of the housing (2) and which is connected to the housing (2) detachably by a plurality of closure apparatuses (3), which are arranged distributed over the circumference, and terminals located in the housing (2) for luminous means (6). In order to improve the protection against the ingress of water in the region of the partition joint between the housing (2) and the cover (4), the marginal region (8c) of the cover (4) bears with at least one marginal edge against the groove wall or the groove rim.

Description

Die Erfindung betrifft eine Feuchtraumleuchte gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a wet room lamp according to the preamble of claim 1.

Eine Feuchtraumleuchte dieser Art ist mit einem aus zwei Teilen bestehenden Leuchten-Gesamtgehäuse ausgebildet, von denen der eine Teil ein wannenförmiges Gehäuse ist, das Befestigungselemente zum Befestigen an einem Träger, z. B. einer Wand oder einer Decke, aufweist, und der andere Teil durch eine wenigstens teilweise transparente Abdeckung gebildet ist, die durch Verschlußelemente mit dem wannenförmigen Gehäuse lösbar verbunden ist. In dem durch das wannenförmige Gehäuse und die Abdeckung gebildeten Gesamtgehäuse ist wenigstens eine Lampe angeordnet, die mechanisch und elektrisch angeschlossen ist, und deren im Betrieb abgestrahltes Licht durch die transparente Abdeckung zur Raumbeleuchtung abstrahlt.A wet room lamp of this type is formed with a two-part lighting overall housing, of which one part is a trough-shaped housing, the fastening elements for attachment to a support, for. As a wall or a ceiling, and the other part is formed by an at least partially transparent cover, which is releasably connected by closure elements with the trough-shaped housing. In the overall housing formed by the trough-shaped housing and the cover at least one lamp is arranged, which is mechanically and electrically connected, and emits their radiated during operation light through the transparent cover for room lighting.

Eine Feuchtraumleuchte der eingangs angegebenen Art ist z. B. in der EP 0 785 391 A1 beschrieben. Bei dieser vorbekannten Leuchte dienen zum Befestigen der Abdeckung am wannenförmige Gehäuse prinzipiell C-förmige Verschlußelemente, die als separate Bauteile ausgebildet sind, und von denen der eine Endbereich der C-Form mit einem Arretierschenkel in eine taschenförmige Hinterschneidung am wannenförmigen Gehäuse eingreift, sich über die Teilungsfuge zwischen dem wannenförmigen Gehäuse und der Abdeckung hinaus erstreckt und mit seinem anderen Endbereich der C-Form einen Rand der Abdeckung mit einer gewissen Zugspannung hintergreift und dadurch das wannenförmige Gehäuse und die Abdeckung mit einer gewissen elastischen Klemmspannung zusammendrückt. Die Umfangswand des Gehäuses verzweigt sich im Bereich des umlaufenden Gehäuserandes mit einem äußeren und einem inneren Randbereich, die sich quer zur Ebene der Gehäuseöffnung erstrecken und am Gehäuserand enden. Die Abdeckung weist einen mittleren Randbereich auf, der sich mit seitlichem Abstand kammartig zwischen den äußeren und den inneren Randbereich erstreckt, wobei der Rand der Abdeckung sich bis zur äußeren Randbereich erstreckt und an diesem stirnseitig flächig anliegt.A wet room lamp of the type specified is z. B. in the EP 0 785 391 A1 described. In this prior art lamp are used to attach the cover on the trough-shaped housing in principle C-shaped closure elements, which are formed as separate components, and of which engages an end portion of the C-shape with a locking leg in a pocket-shaped undercut on the trough-shaped housing, over the Dividing joint between the trough-shaped housing and the cover extends beyond and engages with its other end portion of the C-shape edge of the cover with a certain tensile stress and thereby compresses the trough-shaped housing and the cover with a certain elastic clamping voltage. The peripheral wall of the housing branches in the region of the circumferential housing edge with an outer and an inner edge region, which extend transversely to the plane of the housing opening and terminate at the housing edge. The cover has a central edge region which extends in a comb-like manner at a lateral distance between the outer and the inner edge region, wherein the edge of the cover extends to the outer edge region and rests flat against the latter.

Bei dieser vorbekannten Feuchtraumleuchte bilden zwar die kammartig ineinandergreifenden Randbereiche eine Barriere gegen den Eintritt von Wasser in den Innenraum der Leuchte, jedoch besteht die Gefahr, dass Wasser aufgrund von Kapillarwirkung durch die Fuge zwischen dem Rand der Abdeckung und dem äußeren Randbereich zwischen letzterem und dem mittleren Randbereich eindringt. Diese Gefahr besteht insbesondere im Bereich der C-förmigen Verschlußelemente, die den Rand der Abdeckung untergreifen und sich dabei dicht an der Außenfläche des Leuchtengehäuses erstrecken. Insbesondere zwischen den C-förmigen Verschlußelementen und der Außenfläche des Leuchtengehäuses kann sich Wasser ansammeln und unmittelbar in die vorgenannte Fuge eindringen, was natürlich unerwünscht ist.In this prior art wet room light while the comb-like interlocking edge regions form a barrier against the ingress of water into the interior of the lamp, but there is a risk that water due to capillary action through the joint between the edge of the cover and the outer edge region between the latter and the middle Edge area penetrates. This danger exists in particular in the region of the C-shaped closure elements which engage under the edge of the cover and thereby extend close to the outer surface of the lamp housing. In particular, between the C-shaped closure elements and the outer surface of the lamp housing water can accumulate and penetrate directly into the aforementioned joint, which is of course undesirable.

Aus der EP 0 829 677 A1 ist eine Feuchtraumleuchte mit einem U-förmigen Gehäuse und einer Abdeckwanne bekannt. Einander zugekehrte Randprofile des Gehäuses und der Abdeckung sind ineinandergreifend in Form einer geschlossenen umlaufenden elastischen Rast/Steckverbindung ausgebildet.From the EP 0 829 677 A1 is a wet room light with a U-shaped housing and a cover well known. Mutually facing edge profiles of the housing and the cover are formed interlocking in the form of a closed circumferential elastic latch / plug connection.

Aus der EP 1 052 454 A1 ist eine Leuchte mit einer ersten Halbschale bekannt, die ein Dach bildet und einer zweiten, durchsichtigen Halbschale, die eine Wanne bildet. Die beiden Halbschalen weisen entsprechende Ränder auf, die das Zusammenfügen mit einer dazwischen eingelegten elastischen Dichtung ermöglichen.From the EP 1 052 454 A1 a luminaire is known with a first half-shell which forms a roof and a second, transparent half-shell which forms a trough. The two half-shells have corresponding edges, which allow the assembly with an interposed elastic seal.

Der Erfmdung liegt die Aufgabe zugrunde, bei einer Feuchtraumleuchte der eingangs angegebenen Arten den Schutz gegen das Eindringen von Wasser im Bereich der Teilungsfuge zwischen dem Gehäuse und der Abdeckung zu verbessern. Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind in den zugehörigen Unteransprüchen beschrieben.The object of the invention is to improve the protection against the ingress of water in the region of the dividing joint between the housing and the cover in the case of a damp-proof luminaire of the type specified at the outset. This object is solved by the features of claim 1. Advantageous developments of the invention are described in the appended subclaims.

Bei der erfindungsgemäßen Leuchte nach Anspruch 1 liegt der Randbereich der Abdeckung mit mindestens einer Randkante an der Nutenwandung oder dem Nutengrund. Bei dieser erfmdungsgemäßen Ausgestaltung wird die Sperrwirkung gegen das Eindringen von Wasser durch die Anlage des Randes des mittleren Randbereichs an der äußeren und/oder an der inneren Verjüngung verbessert, weil diese Anlage eine umlaufende Barriere im Sinne einer Ringdichtung ergibt. Ein weiterer Vorteil besteht darin, dass die vorgenannte Anlage die Anschläge bilden kann, durch die das Gehäuse und die Abdeckung voneinander distanziert sind und in bestimmter Position aneinander anliegen. Da ein solcher Anschlag sich umlaufend erstreckt, ist die Anlageposition sehr stabil. Besondere Anschläge zwischen dem Gehäuse und der Abdeckung können somit entfallen, was zur Vereinfachung beiträgt. Die erfindungsgemäßen Ausgestaltungen eignen sich besonders für eine Deckenleuchte, bei der die kammartig ineinandergreifenden Randbereiche eine Barriere gegen das Eindringen von Wasser bilden.In the luminaire according to the invention according to claim 1, the edge region of the cover with at least one peripheral edge on the Nutenwandung or the groove bottom. In this embodiment of the invention, the barrier effect against the ingress of water is improved by the investment of the edge of the central edge region on the outer and / or on the inner taper, because this system results in a circumferential barrier in the sense of a ring seal. Another advantage is that the aforementioned system can form the stops by which the housing and the cover are spaced apart and abut each other in a certain position. Since such a stop extends circumferentially, the investment position is very stable. Special attacks between the housing and the cover can thus be omitted, which contributes to the simplification. The embodiments of the invention are particularly suitable for a ceiling light in which the comb-like interlocking edge regions form a barrier against the ingress of water.

Es führt zu einfachen Ausgestaltungen und zu einer Verbesserung der Sperrwirkung, wenn die umlaufende Nut die Anlage des mittleren Randbereichs ermöglichende Verjüngungen aufweist, die durch konvergente, insbesondere schräge, Flächen begrenzt sind, die auch am Randbereich der Abdeckung vorhanden sein können.It leads to simple embodiments and to an improvement of the blocking effect, when the circumferential groove has the facility of the central edge region enabling tapers, which are limited by convergent, in particular oblique, surfaces, which may also be present at the edge region of the cover.

Dabei ist es im weiteren vorteilhaft, dem Randbereich der Abdeckung gegenüberliegend einen Ringfreiraum in der Nut anzuordnen. Dieser Freiraum kann zur Aufnahme einer Ringdichtung dienen, die ein Abdichten der Teilungsfuge zwischen dem Gehäuse und der Abdeckung ermöglichen.In this case, it is further advantageous to arrange a ring clearance in the groove opposite the edge region of the cover. This space can serve to receive a ring seal, which allow a sealing of the dividing joint between the housing and the cover.

Es ist auch vorteilhaft, den Sperrsteg in einem sich längs den Randbereichen erstreckenden Abstand vom Rand der Abdeckung anzuordnen. Hierdurch erhält der äußere Randbereich die Form einer wirksamen Abtropfkante.It is also advantageous to arrange the barrier web in a distance extending along the edge regions from the edge of the cover. This gives the outer edge region the shape of an effective drip edge.

In weiteren Unteransprüchen sind Merkmale enthalten, die die Sperrwirkung weiter verbessern und dabei zu einfachen und kostengünstig herstellbaren Ausgestaltungen führen. Weiterbildungsmerkmale der Erfindung führen zu einer weiteren Verbesserung von kleinen und sicher funktionierenden Konstruktionen.In further subclaims features are included, which further improve the blocking effect and thereby lead to simple and inexpensive to produce embodiments. Further development features of the invention lead to a further improvement of small and safe working constructions.

Nachfolgend werden vorteilhafte Ausgestaltungen der Erfindung und durch sie erzielbare Vorteile anhand von Ausführungsbeispielen näher erläutert. Es zeigt

Fig. 1
eine erfindungsgemäße Feuchtraumleuchte in perspektivischer Unteransicht;
Fig. 2
die linke Hälfte der Leuchte im vertikalen Querschnitt und in vergrößerter Darstellung;
Fig. 3
den in Fig. 2 mit X gekennzeichneten Teilungsfugenbereich der Leuchte in weiter vergrößerter Darstellung;
Fig. 4
den Teilungsfugenbereich gemäß Fig. 3 in abgewandelter Ausgestaltung und vergrößerter Darstellung.
Below advantageous embodiments of the invention and achievable by them advantages are explained in more detail with reference to embodiments. It shows
Fig. 1
a moisture lamp according to the invention in a perspective bottom view;
Fig. 2
the left half of the luminaire in vertical cross-section and enlarged Presentation;
Fig. 3
the in Fig. 2 with X marked division joint area of the lamp in a further enlarged view;
Fig. 4
the division joint area according to Fig. 3 in a modified embodiment and enlarged view.

Die Hauptteile der in Fig. 1 in ihrer Gesamtheit mit 1 bezeichneten Feuchtraumleuchte sind ein wannenförmiges Gehäuse 2, eine damit durch eine Mehrzahl auf dem Umfang verteilt angeordneter Verschlußvorrichtungen 3 lösbar verbundene Abdeckung 4 und eine im Hohlraum 5 zwischen dem wannenförmigen Gehäuse 2 und der Abdeckung 4 angeordnete Lampe 6, die an wenigstens ein nicht dargestelltes mechanisches und elektrisches Anschlußelement angeschlossen und gehalten ist.The main parts of in Fig. 1 in their entirety designated 1 wet room light are a trough-shaped housing 2, a so arranged by a plurality of circumferentially spaced closure devices 3 releasably connected cover 4 and a cavity 5 between the trough-shaped housing 2 and the cover 4 arranged lamp 6, which at least an unillustrated mechanical and electrical connection element is connected and held.

Die Verschlußvorrichtungen 3 sind bei allen Ausführungsbeispielen vorhanden.The closure devices 3 are present in all embodiments.

Beim Ausführungsbeispiel handelt es sich um eine Feuchtraumleuchte, die diesbezüglich besondere Schutzanforderungen erfüllt, z. B. gegen das Eindringen von Spritzwasser u. a. im Bereich der Teilungsfuge 7 zwischen dem wannenförmigen Gehäuse 2 und der Abdeckung 4 spritzwassergeschützt ist. Dieser Schutz kann im Bereich der Teilungsfuge 7 durch einander überlappende und, z. B. kammartig, ineinandergreifende und sich in die Umfangsrichtung umlaufend erstreckende Randbereiche des Gehäuses 2 und der Abdeckung 4 spritzwassergeschützt sein. Die Randbereiche können z. B. durch Stegwände 8a, 8b, 8c gebildet sein, die ein Labyrinth bilden, das dem Eindringen von Spritzwasser einen Schutz bietet.In the embodiment, it is a wet room light, which meets in this regard special protection requirements, eg. B. against the ingress of splashing u. a. in the region of the dividing joint 7 between the trough-shaped housing 2 and the cover 4 is splash-proof. This protection can in the area of the dividing joint 7 by overlapping and, for. B. comb-like, interlocking and circumferentially extending circumferentially extending edge portions of the housing 2 and the cover 4 be splash-proof. The border areas can z. B. be formed by web walls 8a, 8b, 8c, which form a labyrinth, which provides the ingress of spray water protection.

Beim Ausführungsbeispiel verzweigt sich die wannenförmige Gehäusewand 2a in deren freien Randbereich zu zwei Stegwänden 8a, 8b, die einen Querabstand voneinander aufweisen, der größer ist als eine zwischen die Randbereiche 8a, 8b mit einem Querabstand einfassende Randbereich 8c des Randbereichs der Abdeckung 4. Die Randbereiche bzw. Stegwände 8a, 8b, 8c stehen quer zur Teilungsfuge 7 bzw. quer zur Ebene der Gehäuseöffnung von der Gehäusewand bzw. vom Randbereich der Abdeckung 4 ab.In the embodiment, the trough-shaped housing wall 2a branches in its free edge region to two web walls 8a, 8b, which have a transverse distance from one another, which is larger than an edge region 8c bordering the edge regions 8a, 8b of the edge region of the cover 4. The edge regions or web walls 8a, 8b, 8c are transverse to the dividing joint 7 or transversely to the plane of the housing opening of the housing wall or from the edge region of the cover 4 from.

Die Teilungsfuge 7 kann vorzugsweise zusätzlich zum Labyrinth durch eine Ringdichtung abgedichtet sein, die einen Dichtring D aufweist, der z. B. im Grund der zwischen den Stegwänden 8a, 8b vorhandenen umlaufenden Nut 2b angeordnet ist, und gegen den die Stegwand 8c drückt. Der Dichtring D besteht aus weichem Material, z. B. aus einem Schaumband.The dividing joint 7 may preferably be sealed in addition to the labyrinth by a ring seal having a sealing ring D, the z. B. in the bottom of the existing between the web walls 8a, 8b existing circumferential groove 2b, and against which the web wall 8c presses. The sealing ring D is made of soft material, eg. B. from a foam tape.

Der äußere Wandsteg 8b der Gehäusewand 2a ist Teil einer Verbreiterungsstufe 9 im freien Randbereich der Gehäusewand 2a.The outer wall web 8b of the housing wall 2a is part of a widening step 9 in the free edge region of the housing wall 2a.

Die Gehäusewand 2a weist an ihrer einem Träger, z. B. einer Decke oder Wand eines Raumes, zugewandten Anlageseite 11 Befestigungselemente 12 auf, die der Befestigung am Träger dienen. Beim Ausführungsbeispiel weist die Leuchte 1 eine längliche und sich gerade erstreckende Form auf, deren Länge L1 ein Vielfaches ihrer Breite B beträgt. Entsprechend sind auch das wannenförmige Gehäuse 2 und die Abdeckung 4 geformt. Diese besteht wenigstens in ihrem dem Gehäuse 2 abgewandten, z. B. domförmig gewölbten Bereich oder beim Ausführungsbeispiel insgesamt aus einem transparenten Material, z. B. Glas oder Kunststoff, durch das hindurch das Licht der Lampe 6 in der Hauptabstrahlrichtung S aber auch zu den Seiten hin abstrahlt.The housing wall 2a has on its a carrier, for. As a ceiling or wall of a room, facing investment side 11 fasteners 12, which serve the attachment to the carrier. In the embodiment, the lamp 1 has an elongated and straight-extending shape whose length L1 is a multiple of its width B. Accordingly, the trough-shaped housing 2 and the cover 4 are formed. This consists at least in their housing 2 facing away, z. B. dome-shaped area or in the embodiment of a total of a transparent material, for. As glass or plastic, through which the light of the lamp 6 in the main emission direction S but also radiates to the sides.

Die Mehrzahl der vorhandenen Verschlußvorrichtungen 3 sind einander gleich bzw. auf beiden Seiten spiegelbildlich zueinander angeordnet und ausgebildet. Deshalb reicht es aus, wenn im Folgenden jeweils nur eine Verschlußvorrichtung 3 der verschiedenen Ausführungsbeispiele beschrieben wird.The majority of the existing closure devices 3 are equal to each other and arranged on both sides mirror images of each other and formed. Therefore, it is sufficient if in the following only one closure device 3 of the various embodiments will be described.

Bei allen Ausführungsbeispielen weist die Verschlußvorrichtung 3 ein Verschlußelement 3a in einer prinzipiell C-förmigen Längs-Querschnittsform auf, dessen Endbereiche mit 3b, 3c bezeichnet sind, das mit seinem oberen Endbereich 3b das wannenförmige Gehäuse 2 hintergreift und gleichzeitig, vorzugsweise klemmend, in eine Tasche 13 im Gehäuse 2 eingreift, die zur der Teilungsfuge 7 abgewandten Seite hin offen ist, und mit zwei einander gegenüberliegenden Taschenwänden 13a, 13b, die sich etwa parallel zur Längsmittelebene 15 erstrecken, mit oder ohne Untermaß an die Größe des Endbereichs 3b angepaßt ist. Die Ausnehmung 13 kann sich in der Längsrichtung der Leuchte 1 durchgehend erstrecken.In all embodiments, the closure device 3, a closure element 3a in a generally C-shaped longitudinal cross-sectional shape, whose end portions are designated 3b, 3c, which engages behind the trough-shaped housing 2 with its upper end portion 3b and at the same time, preferably by clamping, in a pocket 13 engages in the housing 2, which is open to the dividing joint 7 side facing away, and with two opposite pocket walls 13a, 13b, which extend approximately parallel to the longitudinal center plane 15, with or without undersize to the size of the end portion 3b is adapted. The recess 13 may extend continuously in the longitudinal direction of the lamp 1.

Das Verschlußelement 3a erstreckt sich vom Endbereich 3b im wesentlichen in einer an die zugehörige Außenform des Gehäuses 2 angepaßten Form außen am Leuchtengehäuse zur Abdeckung 4 hin, wobei es sich über die Teilungsfuge 7 hinaus erstreckt und mit dem zugehörigen Endbereich 3c eine Verbreiterungsstufe 10 an der Abdeckung 4 hintergreift, gegebenenfalls in eine daran ausgebildete Ausnehmung 10a einrastet. Letzteres erfolgt mit einem sich winkelförmig oder gekrümmt nach innen erstreckenden, den Endbereich 3c bildenden Hintergreifschenkel 3d, der durch eine Sicherungsvorrichtung 14 in seiner Hintergreifstellung gesichert ist.The closure member 3a extends from the end portion 3b substantially in an adapted to the associated outer shape of the housing 2 form the outside of the lamp housing to the cover 4, wherein it extends beyond the dividing joint 7 and with the associated end portion 3c a widening step 10 on the cover 4 engages behind, optionally engages in a recess 10a formed thereon. The latter is done with an angular or curved inward extending, the end portion 3c forming Hintergreifschenkel 3d, which is secured by a securing device 14 in its tuck position.

Die Sicherungsvorrichtung 14 kann dadurch gebildet sein, dass der Hintergreifschenkel 3d bezüglich der sich quer bzw. rechtwinklig zur Teilungsfuge 7 erstreckenden Längsmittelebene 15 der Leuchte 1 schräg nach innen elastisch gegen die Verbreiterungsschulter 10 vorgespannt ist, so dass diese Spannung ihn nach innen und nicht nach außen zieht. Dies wird dadurch erreicht, dass der Hintergriff des Endbereichs 3c in einem Abstand a von der Längsmittelebene 15 angeordnet ist, der größer ist als der Abstand b des Hintergriffs des Endbereichs 3b von der Längsmittelebene 15. Hierdurch ergibt sich aufgrund der im elastisch aufgebogenen Zustand mit einer elastischen Spannung an der Verbreiterungsstufe 10 anliegende Hintergreifschenkel 3d eine Spannkraft 16, deren Wirkrichtung einen spitzen Winkel W1 mit der Längsmittelebene 15 einschließt. Diese Spannkraft kann durch eine elastische Aufbiegung des Endbereichs 3b und/oder des Endbereichs 3c und/oder der der Verbreiterungsstufe 9 bezüglich der Stufenform folgenden und ausgebogenen Form des Verschlußelements 3a beruhen.The securing device 14 can be formed in that the Hintergreifschenkel 3d is biased obliquely inwardly against the widening shoulder 10 with respect to the transversely or perpendicular to the dividing joint 7 extending longitudinal center plane 15 of the lamp 1, so that this voltage him inward and not outward draws. This is achieved in that the rear grip of the end portion 3c is arranged at a distance a from the longitudinal center plane 15, which is greater than the distance b of the rear grip of the end portion 3b of the longitudinal center plane 15. This results from the elastically bent state with a elastic clamping voltage applied to the widening step 10 Hintergreifschenkel 3d a clamping force 16, the effective direction includes an acute angle W1 with the longitudinal center plane 15. This clamping force can be based on an elastic bending of the end region 3b and / or the end region 3c and / or the shape of the closure element 3a that follows the widening step 9 with respect to the step shape.

Das Verschlußelement 3a ist durch einen sich über seine gesamte Länge flach erstreckenden Steg 3e gebildet, dessen Dicke mit d bezeichnet ist.The closure element 3a is formed by a flat over its entire length extending web 3e, whose thickness is denoted by d.

Der hakenförmig zum freien Endbereich 3c hin abstehende Endbereich 3b des Verschlußelements 3a kann durch eine Arretiervorrichtung 17 in der Tasche 13 gegen ein ungewolltes Herausziehen und somit Lösen arretiert sein. Die Arretierung kann z. B. auf einer quer zum Endbereich 3b und gegen die Seitenwände der Tasche 13 wirksamen Klemmwirkung beruhen.The hook-shaped to the free end portion 3c projecting end portion 3b of the closure element 3a can be locked by a locking device 17 in the pocket 13 against accidental withdrawal and thus loosening. The lock can z. B. based on a transversely to the end portion 3b and against the side walls of the pocket 13 effective clamping action.

Bei den erfindungsgemäßen Ausgestaltungen kann somit eine Sicherung des Endbereichs 3b in der Tasche 13 gewährleistet sein, die ein ungewolltes Lösen und Verlorengehen des Verschlußelementes 3a verhindert. In den Fällen, in denen jedoch ein Lösen des Endbereichs 3b gewollt ist, ist es vorzugsweise möglich, z. B. mit vergrößerter manueller Zugkraft oder mit einem Werkzeug, den Endbereich 3b aus der Tasche 13 herauszuziehen.In the embodiments according to the invention can thus be ensured in the pocket 13, a backup of the end portion 3b, which prevents accidental loosening and loss of the closure element 3a. In cases where, however, a release of the end portion 3b is intended, it is preferably possible, for. B. with increased manual pulling force or with a tool to pull the end portion 3b from the pocket 13.

Die sich quer erstreckende Abmessung der Nut 2b ist größer als die Dicke der mittleren Stegwand 8c, wodurch sich zwischen der inneren Stegwand 8a und der mittleren Stegwand 8c ein Abstand c ergibt und zwischen der äußeren Stegwand 8b und der mittleren Stegwand 8c ein Abstand d ergibt. Die Abstände c, d ergeben umlaufende Ringspalte zwischen den kammartig ineineindergreifenden Stegwänden 8a, 8b, 8c.The transversely extending dimension of the groove 2b is greater than the thickness of the central web wall 8c, which results in a distance c between the inner web wall 8a and the central web wall 8c and between the outer web wall 8b and the middle web wall 8c gives a distance d. The distances c, d give circumferential annular gaps between the comb-like intermeshing web walls 8a, 8b, 8c.

In Fig. 3 und 4 sind Konstruktionen dargestellt, die Barrieren gegen ein Eindringen von Wasser von außen durch die Teilungsfuge 7 erschweren bzw. verhindern sollen und können.In 3 and 4 Constructions are shown, the barriers against ingress of water from the outside through the dividing joint 7 complicate or prevent and can.

Die erste Konstruktion ist im Abstand d bzw. Überlappungsbereich zwischen der äußeren Stegwand 8b und der mittleren Stegwand 8c angeordnet und gemäß Fig. 2 und 3 durch einen Sperrsteg 19 gebildet, der von einer der beiden Stegwände 8b, 8c quer zur gegenüberliegenden Stegwand hin absteht und beim Ausführungsbeispiel von der mittleren Stegwand 8c zur äußeren Stegwand 8b hin absteht. Der Sperrsteg 19 ist vorzugsweise im Fußbereich der inneren Stegwand 8c angeordnet. Es hat sich als besonders vorteilhaft erwiesen, den Sperrsteg 19 in einem Abstand e vom freien Rand der äußeren Stegwand 8b anzuordnen, wobei diese Bemessung sich auf die Montagestellung des Gehäuses 2 und der Abdeckung 4 bezieht. Die sich parallel zum Abstand d erstreckende Ringhöhe f des Sperrstegs 19 ist etwas kleiner als der Abstand d, so dass zwischen dem Sperrsteg 19 und der gegenüberliegenden Innenfläche der Stegwand 8b ein Ringspalt bzw. Abstand g besteht, der vorzugsweise kleiner ist als die Hälfte des Abstands d. Die dem freien Rand der äußeren Stegwand 8b abgewandte Schulterfläche des Sperrstegs 19 ist vorzugsweise zum freien Rand der äußeren Stegwand 8b hin geneigt ausgebildet.The first construction is arranged at a distance d or overlap area between the outer web wall 8b and the middle web wall 8c and according to FIG Fig. 2 and 3 formed by a barrier web 19 which protrudes from one of the two web walls 8b, 8c transversely to the opposite web wall and projecting in the embodiment of the middle web wall 8c to the outer web wall 8b out. The barrier web 19 is preferably arranged in the foot region of the inner web wall 8c. It has proven to be particularly advantageous to arrange the barrier web 19 at a distance e from the free edge of the outer web wall 8b, this design refers to the mounting position of the housing 2 and the cover 4. The parallel to the distance d extending ring height f of the locking ridge 19 is slightly smaller than the distance d, so that between the barrier web 19 and the opposite inner surface of the web wall 8b an annular gap or distance g, which is preferably smaller than half of the distance d. The free edge of the outer web wall 8b facing away from the shoulder surface of the locking ridge 19 is preferably formed to the free edge of the outer web wall 8b inclined.

Im Falle der Anordnung des Sperrstegs 19 mit dem Abstand e ist zwischen dem Sperrsteg 19 und dem freien Rand der Stegwand 8b ein Freiraum 21 vorhanden, bei dessen Vorhandensein der freie Rand der Stegwand 8b eine sicher funktionierende Abtropfkante bildet. Außerdem kommt hierdurch eine sich bis zum Rand erstreckende Kapillare zwischen der äußeren Stegwand 8b und dem Sperrsteg 19 in Fortfall, durch die insbesondere im Bereich der Verschlußelemente 3a anstehendes Spritzwasser aufsteigen könnte.In the case of the arrangement of the barrier web 19 with the distance e between the barrier web 19 and the free edge of the web wall 8 b, a free space 21 is present, in the presence of the free edge of the web wall 8 b forms a securely functioning drip edge. In addition, this results in an up to the edge extending capillary between the outer web wall 8b and the barrier web 19 in discontinuity, could rise through the particular in the region of the closure elements 3a pending spray water.

Die innere Stegwand 8a kann kürzer bemessen sein als die äußere Stegwand 8b, wodurch Material und Gewicht eingespart wird.The inner web wall 8a may be dimensioned shorter than the outer web wall 8b, whereby material and weight is saved.

Beim Ausführungsbeispiel gemäß Fig. 4, bei dem gleiche oder vergleichbare Teile mit gleichen Bezugszeichen versehen sind, sind zwei voneinander unabhängige Konstruktionen zur Verbesserung des Widerstandes gegen das Eindringen von Wasser vorgesehen. Eine zweite Konstruktion ist eine Abwandlung der ersten Konstruktion gemäß Fig. 1, wobei ein Sperrsteg 19a anstelle von der mittleren Stegwand 8c von der äußeren Stegwand 8b zur mittleren Stegwand 8c hin absteht.According to the embodiment Fig. 4 , in which the same or comparable parts are provided with the same reference numerals, two independent structures for improving the resistance to water ingress are provided. A second construction is a modification of the first construction according to Fig. 1 in which a blocking web 19a projects from the outer web wall 8b to the middle web wall 8c instead of the middle web wall 8c.

Die Abwandlung der Ausgestaltung gemäß Fig. 3 kann - z. B. ohne die Kombination mit dem Sperrsteg 19a - darin gesehen werden, dass der z. B. vom mittleren Wandsteg 8c abstehende Sperrsteg 19 eine zu seinem freien Ende hin konvergierende Querschnittsform aufweisen kann, die gemäß Fig. 4 z. B. sägezahnförmig ist, wobei die im freien Rand der mittleren Stegwand 8c zugewandte Seitenfläche bezüglich der vertikalen Mittelebene 15 geneigt ausläuft, während die dem freien Rand der Stegwand 8c abgewandte Seitenfläche etwa rechtwinklig zur vertikalen Längsmittelebene 15 verläuft. Eine solche Querschnittsform und Ausgestaltung ergibt einen Sperrsteg 19 in der Form einer Dichtlippe, die - wenn sie so lang bemessen ist, dass ihr freier Rand an der jeweils gegenüberliegenden Stegwand anliegt - beim Zusammenstecken des Gehäuses 2 und der Abdeckung 4 bzw. der Stegwände 8a, 8b, 8c elastisch umgebogen wird, ohne das Zusammenstecken zu behindern und durch ihre elastische Rückstellkraft eine Dichtfunktion ausübt.The modification of the embodiment according to Fig. 3 can -. B. without the combination with the barrier rib 19 a - be seen therein that the z. B. protruding from the central wall web 8c barrier web 19 may have a converging to its free end cross-sectional shape, according to Fig. 4 z. B. sawtooth, wherein the free edge of the central web wall 8c facing side surface with respect to the vertical center plane 15 inclined expires, while the side facing away from the free edge of the web wall 8c side surface extends approximately at right angles to the vertical longitudinal center plane 15. Such a cross-sectional shape and design results in a barrier rib 19 in the form of a sealing lip, which - if it is dimensioned so long that their free edge rests against the respectively opposite web wall - during mating of the housing 2 and the cover 4 or the web walls 8a, 8b, 8c is elastically bent without hindering the mating and exerts a sealing function by its elastic restoring force.

Fig. 4 läßt beispielhaft erkennen, dass zwei Sperrstege 19a, 19 hintereinander angeordnet und von den einander gegenüberliegenden Stegwänden 8b, 8c abstehen können. Dabei kann der vorzugsweise elastisch ein- und ausbiegbare Sperrsteg 19 hinter dem nicht ein- und ausbiegbaren Sperrsteg 19a angeordnet sein, wobei letzterer die Funktion eines Rastelements erfüllen und z. B. eine geringe Abmessung h haben kann, die z. B. kleiner ist als die Hälfte des Abstands d. Fig. 4 shows by way of example that two barrier ribs 19a, 19 arranged one behind the other and can protrude from the opposing web walls 8b, 8c. In this case, the preferably elastically ein¬ and ausbiegbare barrier rib 19 can be arranged behind the non-ein- and ausbiegbaren barrier rib 19 a, the latter fulfill the function of a locking element and z. B. may have a small dimension h, the z. B. is less than half of the distance d.

Der Sperrsteg 19a kann somit durch nicht umlaufende Rastelemente gebildet sein, die in der Umfangsrichtung aus einer Mehrzahl hintereinander angeordneter Umfangsabschnitte bestehen können, z. B. aus in Umfangsabständen hintereinander angeordneten Nocken, die z. B. eine in Fig. 4 sichtbare runde Querschnittsform oder eine halbkugelförmige Querschnittsform aufweisen.The barrier rib 19 a can thus be formed by non-circumferential locking elements, which may consist of a plurality of successively arranged peripheral portions in the circumferential direction, for. B. from circumferentially spaced cam, the z. B. an in Fig. 4 have visible round cross-sectional shape or a hemispherical cross-sectional shape.

Innerhalb des Sperrstegs 19 in Form einer Dichtlippe ist durch den Abstand d eine erste Kammer 22a gebildet, wenn ein Dichtring D vorgesehen ist oder die zweite Konstruktion vorgesehen ist.Within the barrier web 19 in the form of a sealing lip is formed by the distance d, a first chamber 22a when a sealing ring D is provided or the second construction is provided.

Die zweite Konstruktion, die beim Ausführungsbeispiel gemäß Fig. 4 mit der ersten Konstruktion in Kombination vorgesehen sein kann, weist innen an der äußeren Stegwand 8b eine Verjüngung 23a der Nut 2b auf, die durch eine konvergente Begrenzungsfläche 23c der äußeren Stegwand 8b gebildet ist, wobei die mittlere Stegwand 8c in ihrem freien Randbereich an der Verjüngung 23a anliegt, vorzugsweise mit einer ebenfalls zu ihrem freien Ende hin konvergenten Begrenzungsfläche 8d, und eine Ringdichtung bildet. Wenn zusätzlich die mittlere Stegwand 8c innenseitig an der inneren Stegwand 8a abgestützt ist, läßt sich mit der mittleren Stegwand 8c eine hinreichende Abdichtung durch eine linien- bzw. flächenförmige Anlage des freien Endbereichs der mittleren Stegwand 8c erreichen.The second construction according to the embodiment Fig. 4 may be provided with the first construction in combination, has on the inside of the outer web wall 8b a taper 23a of the groove 2b, which is formed by a convergent boundary surface 23c of the outer web wall 8b, the middle web wall 8c in its free edge region at the taper 23a is present, preferably with a also convergent to its free end boundary surface 8d, and forms a ring seal. In addition, if the middle web wall 8c is supported on the inside of the inner web wall 8a, can be achieved with the middle web wall 8c sufficient sealing by a linear or surface contact of the free end portion of the central web wall 8c.

Es kann aber auch die innere Stegwand 8a der Verjüngung 23a gegenüberliegend eine Verjüngung 23b aufweisen, die durch eine konvergente Begrenzungsfläche 23d begrenzt ist, an der die mittlere Stegwand 8c anliegt, vorzugsweise ebenfalls mit einer konvergenten Begrenzungsfläche 8e. Die Begrenzungsflächen 23c, 23d, 8e, 8d sind vorzugsweise bezüglich der Mittelachse der mittleren Stegwand 8c symmetrisch ausgebildet.However, it is also possible for the inner web wall 8a of the taper 23a to have a taper 23b bounded by a convergent boundary surface 23d against which the middle web wall 8c bears, preferably likewise with a convergent boundary surface 8e. The boundary surfaces 23c, 23d, 8e, 8d are preferably formed symmetrically with respect to the central axis of the central web wall 8c.

Zwischen der mittleren Stegwand 8c und der inneren Stegwand 8a ist vorzugsweise ein geringer Abstand i vorhanden, um beim Montieren bzw. Demontieren ein Bewegungsspiel zu gewährleisten.Between the middle web wall 8c and the inner web wall 8a is preferably a small distance i present to ensure a clearance during mounting or dismounting.

Die Konvergenz der Verjüngung 23a kann dadurch gebildet sein, dass die äußere Stegwand 8b sich im zugehörigen Wandbereich insgesamt konvergent erstreckt, vorzugsweise schräg, wie es Fig. 4 zeigt.The convergence of the taper 23a may be formed by the outer web wall 8b extending convergently overall in the associated wall area, preferably obliquely Fig. 4 shows.

Durch die Anlage der mittleren Stegwand 8c an der wenigstens einen Verjüngung 23a, 23b ist auch ein Anschlag gegeben, an dem beim Zusammenstecken des Gehäuses 2 und der Abdeckung 4 diese Teile aneinanderliegen und bezüglich ihres Abstands voneinander begrenzt sind. Es können aber auch andere, nicht dargestellte Anschläge zwischen dem Gehäuse 2 und der Abdeckung 4 angeordnet sein, die deren Anlage aneinander definieren, z. B. dann, wenn ein Dichtring D fehlt, der solche Anschläge bilden kann.By the plant of the middle web wall 8c at the at least one taper 23a, 23b, there is also a stop on which, when the housing 2 and the cover 4 are plugged together, these parts lie against one another and are limited in their spacing from one another. But it can also be arranged other stops, not shown, between the housing 2 and the cover 4, which define their abutment against each other, for. B. if a sealing ring D is missing, which can form such attacks.

Es ist im weiteren vorteilhaft, in dieser Anschlag- bzw. Montagestellung die Nut 18 so tief auszubilden, dass vor dem freien Ende der mittleren Stegwand 8c ein Teilnutraum verbleibt, der eine zweite Kammer 22b bildet.It is further advantageous in this stop or mounting position, the groove 18 so deep form that remains before the free end of the central web wall 8c a Teilnutraum, which forms a second chamber 22b.

Je nach Anforderung an die Dichtigkeit des Leuchtengehäuses 2 im Bereich der Teilungsfuge 7 kann im Grund der Nut 2b wahlweise ein vorzugsweise aus elastischem Material bestehender Dichtring angeordnet sein, gegen den der freie Rand der mittleren Stegwand 8c drückt und dadurch die so gebildete Teilungsfuge 7 zusätzlich abgedichtet ist. Ein vergleichbarer Dichtring kann auch in der zweiten Kammer 22b angeordnet sein und mit dem freien Rand der mittleren Stegwand 8c zusammenwirken.Depending on the requirements of the tightness of the lamp housing 2 in the region of the dividing joint 7 may be located in the bottom of the groove 2b optionally a preferably made of elastic material existing sealing ring against which presses the free edge of the middle web wall 8c and thereby additionally seals the dividing joint 7 thus formed is. A comparable sealing ring can also be used in the second Chamber 22b may be arranged and cooperate with the free edge of the central web wall 8c.

Das Gehäuse 2 und die Abdeckung 4 bestehen vorzugsweise aus Kunststoff, wobei sie jeweils mit den zugehörigen Stegwänden 8a, 8b, 8c und dem oder den Sperrstegen 19 einteilig durch Spritzgießen hergestellt sind.The housing 2 and the cover 4 are preferably made of plastic, wherein they are each made with the associated web walls 8a, 8b, 8c and the one or more locking webs 19 by injection molding.

Claims (11)

  1. Moisture-proof luminaire, having
    - a trough-shaped housing (2) which is provided with a circumferential edge groove (18),
    - a transparent cover (4) engaging over the open side of the housing (2), the circumferential edge region (8c) of which enters into the edge groove (18) of the housing (2), and which is releasably connected with the housing (2) by means of a plurality of locking devices (3) arranged distributed on the circumference,
    - and connections for illumination means (6) located in the housing (2),
    characterised in that
    the edge region (8c) of the cover (4) bears with at least one marginal edge on the groove wall or on the groove base.
  2. Moisture-proof luminaire according to claim 1,
    characterised in that
    the groove (18) is bounded on the inside by an inner web wall (8a) of the housing (2), which overlaps the middle wall area (8c) on the inside.
  3. Luminaire according to claim 1 or 2,
    characterised in that
    on one side or on both sides the groove (18) has in each case a taper (23a, 23b) which is formed by a convergent side region of the associated web wall (8a, 8b).
  4. Luminaire according to claim 3,
    characterised in that
    the free edge of the middle edge region bears with a convergent bounding surface (8d) on the taper (23a) on the outer edge region (8b) and/or on the taper (23d) on the inner web wall (8a).
  5. Luminaire according to any of preceding claims 1 to 4,
    characterised in that
    in front of the free edge of the middle edge region (8c) there is present a free space (24) between the outer and the inner edge region (8a, 8b).
  6. Moisture-proof luminaire according to any preceding claim,
    characterised in that
    a blocking web (19) is arranged on one of the two edge regions (8b, 8c) in the overlapping region and extends towards the respective other edge region (8b, 8c).
  7. Moisture-proof luminaire according to claim 6,
    characterised in that
    the blocking web (19) is arranged with spacing (e) to the free edge of the outer edge region (8b).
  8. Luminaire according to any of preceding claims 6 or 7,
    characterised in that
    the dimension (f) of the blocking web (19) extending transversely of the edge regions (8b, 8c) is greater than half the distance (d) between the edge regions (8b, 8c).
  9. Luminaire according to any of preceding claims 6 to 8,
    characterised in that
    the blocking web (19) is formed by a sealing lip the free edge of which bears in sealing manner on the facing side surface of the respective oppositely lying edge region (8b, 8c).
  10. Luminaire according to claim 9,
    characterised in that
    the sealing lip is constituted convergently towards its free edge.
  11. Luminaire according to claim 9 or 10,
    characterised in that
    the sealing lip engages behind a second blocking web (19a) or a plurality of cams arranged distributed on the perimeter.
EP06818853A 2005-12-09 2006-11-27 Damp-proof luminaire having at least one locking web acting between a trough-shaped housing and a cover Active EP1957861B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005058935A DE102005058935A1 (en) 2005-12-09 2005-12-09 Moisture lamp with at least one effective between a trough-shaped housing and a cover barrier web
PCT/EP2006/011363 WO2007065584A1 (en) 2005-12-09 2006-11-27 Damp-proof luminaire having at least one locking web acting between a trough-shaped housing and a cover

Publications (2)

Publication Number Publication Date
EP1957861A1 EP1957861A1 (en) 2008-08-20
EP1957861B1 true EP1957861B1 (en) 2011-01-19

Family

ID=37670946

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06818853A Active EP1957861B1 (en) 2005-12-09 2006-11-27 Damp-proof luminaire having at least one locking web acting between a trough-shaped housing and a cover

Country Status (6)

Country Link
EP (1) EP1957861B1 (en)
KR (1) KR101263055B1 (en)
CN (1) CN101326404B (en)
AT (1) ATE496261T1 (en)
DE (2) DE102005058935A1 (en)
WO (1) WO2007065584A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007036981A1 (en) * 2007-08-06 2009-02-12 Zumtobel Lighting Gmbh Waterproof luminaire
DE102009017405A1 (en) 2009-04-14 2010-10-21 Zumtobel Lighting Gmbh Waterproof luminaire
DE102011083273A1 (en) 2011-09-23 2013-03-28 Zumtobel Lighting Gmbh Luminaire, in particular moisture-proof luminaire, with improved seal
DE202012100138U1 (en) * 2012-01-16 2013-04-22 Zumtobel Lighting Gmbh LED Waterproof luminaire
CN103453504B (en) * 2012-05-31 2018-05-29 欧司朗股份有限公司 Housing for lighting device and the lighting device with the housing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8431426U1 (en) * 1984-10-26 1985-02-28 ITT Reiss International GmbH, 7992 Tettnang MOISTURE LAMP
US5310075A (en) * 1992-11-27 1994-05-10 Distribution Control Systems, Inc. Waterproof, gasketless enclosure
IT242325Y1 (en) * 1996-01-22 2001-06-14 3F Filippi Srl CEILING LAMP WITH PERFECTED DEVICE FOR FIXING THE SCREEN TO THE BASE.
EP0829677B1 (en) * 1996-09-17 2002-08-28 Siteco Beleuchtungstechnik GmbH Lighting fixture for humid environments
EP1052454B1 (en) * 1999-05-11 2007-10-24 Koninklijke Philips Electronics N.V. Industrial indoor lamp

Also Published As

Publication number Publication date
CN101326404A (en) 2008-12-17
DE102005058935A1 (en) 2007-06-14
WO2007065584A1 (en) 2007-06-14
DE502006008780D1 (en) 2011-03-03
ATE496261T1 (en) 2011-02-15
KR20080109714A (en) 2008-12-17
CN101326404B (en) 2011-01-26
EP1957861A1 (en) 2008-08-20
KR101263055B1 (en) 2013-05-09

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