EP2644984A1 - Verrouillage pour un couvercle de lampe - Google Patents

Verrouillage pour un couvercle de lampe Download PDF

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Publication number
EP2644984A1
EP2644984A1 EP13157346.1A EP13157346A EP2644984A1 EP 2644984 A1 EP2644984 A1 EP 2644984A1 EP 13157346 A EP13157346 A EP 13157346A EP 2644984 A1 EP2644984 A1 EP 2644984A1
Authority
EP
European Patent Office
Prior art keywords
housing
cover
spring element
side wall
luminaire according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13157346.1A
Other languages
German (de)
English (en)
Other versions
EP2644984B1 (fr
Inventor
Jochen Holzbauer
Martin Kroke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram SBT GmbH
Original Assignee
Siteco Beleuchtungstechnik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siteco Beleuchtungstechnik GmbH filed Critical Siteco Beleuchtungstechnik GmbH
Publication of EP2644984A1 publication Critical patent/EP2644984A1/fr
Application granted granted Critical
Publication of EP2644984B1 publication Critical patent/EP2644984B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures

Definitions

  • the present invention relates to a luminaire with a luminaire housing and a transparent cover which closes the luminaire housing at a light exit side.
  • Lights of the type mentioned are used as indoor or outdoor lights, especially as wall or ceiling lights.
  • a moisture-proof or dust-tight seal between the housing and the transparent cover is often desirable for the protection of the lighting components.
  • wet room lights are known, which have on the outside of the housing knee lever locks to press the transparent cover to a peripheral edge on a seal on the housing. Due to the external closures such lights are often less aesthetically pleasing.
  • the toggle locks are relatively cumbersome to operate, because the fitter on the one hand must hold the cover of the housing and on the other hand, the toggle locks must close successively.
  • Object of the present invention is to provide a luminaire of the type mentioned, which is easier to handle and also a closed luminaire design, in particular without external fasteners allows.
  • a lamp in particular a lamp for lighting purposes for interiors or outdoor spaces, in particular ceiling recessed or surface-mounted, pendant, floor or wall lamp, with a lamp housing and an at least partially transparent cover, which is connected to side walls of the lamp housing to the To close the housing, wherein the cover has two or more hooks, which cooperate with closure elements on the housing, wherein the housing-side closure elements each have a spring element which extends from the side wall of the housing in the direction of the housing interior and cooperates with one of the hooks to the Cover to keep the housing.
  • the luminaire according to the invention has in particular an advantage that by the use of the spring element, an interaction of the housing-side closure elements with the hook on the cover is possible without a manual access to the closure elements is necessary. Therefore, the housing-side closure elements can be integrated with the spring element in the side wall of the housing, wherein the spring element facing inward. Access to the closure elements to close the lamp is not necessary.
  • the closure element is formed separately from the housing and held in a section of the side wall.
  • the closure element can be produced inexpensively in this way.
  • the closure element from the housing interior in the cutout of the side wall can be mounted. This has the advantage that in the manufacture of the lamp, the housing does not have to be rotated.
  • the closure element can also be changed later from the inside of the luminaire, without it being necessary to disassemble a recessed luminaire to replace the closure element.
  • the closure element is formed from a single sheet-metal stamped part.
  • a sheet metal spring steel is used, which has the necessary elasticity for the spring element.
  • the housing-side closure element is inserted into at least two, preferably four, slots in the housing wall.
  • the housing-side closure element in the form of a sheet-metal stamping part can have two or four hooks which are hooked into two or four slots, one or two on each side of a cut-out in the housing wall. At least four slots are preferred in order to prevent twisting or tilting of the closure element in the mounting position in the housing side wall.
  • the hooks of the closure element extend counter to a direction of the spring bias, ie the hooks of the closure element extend from the inside of the housing through the side wall to the outside. This allows the mounting of the closure element from the interior of the luminaire.
  • the undercuts of the hook in the sheet metal stamping part in the same direction as the insertion of the cover on the housing.
  • the housing-side closure elements not pushed out of its mounting position in the housing side wall when inserting the transparent cover.
  • the housing-side closure element may have at least one or two, preferably opposite the housing side wall angled stops which abut an edge of the housing side wall when the housing-side closure element is moved when removing the cover from the housing in the direction of the cover.
  • the spring element has at least one stop, which bears against an outer wall of the housing side wall. By the stop a defined bias of the spring is adjusted in the direction of the spring travel for cooperation with the hook of the cover.
  • the closure element is inserted in a section of the side wall.
  • the cutout above the spring element on the side facing the cover against the spring element is cut out so far, so that insertion of the closure element and a displacement of the closure element with undercut hook is made possible in the above-mentioned slots in the side wall.
  • the closure element although parts of it also have from the side wall facing out, can be completely mounted from the inside.
  • the cutout in the side wall is widened above the spring element on the side facing the cover by the height of the undercut of the hooks of the closure element relative to the spring element.
  • the cutout in the side wall above the spring element on the side facing the cover is cut out by at least 12 mm with respect to the spring element, so that it is possible to reach through the side wall for detecting the spring element.
  • the spring element can be engaged to release the lock between the hook and the spring element to remove the transparent cover from the lamp.
  • the spring element on a run-on slope which cooperates with the hook during insertion of the cover to deflect the spring element along a spring travel in the direction against the hook.
  • the cover can be inserted into the housing without gripping the Spring element for locking the cover is necessary. The cover engages independently on all hooks in the associated closure elements.
  • one or two insertion webs are provided laterally next to the spring element, which facilitate the positioning of the respective hook of the cover on the spring element for locking the hook.
  • the spring element has a recessed edge, which rests in the mounted state of the cover on an edge of the hook. This ensures a latching connection between the hook and the spring element, which counteracts a removal of the cover from the housing.
  • the edge of the spring element and / or the hook with the side wall forms an angle, measured on the side facing away from the cover, of more than 90 °.
  • a disassembly of the cover against the Einschiebterrorism of the hook is possible in the closure element, because the obtuse angle between the latched edges allows an independent spring back of the spring element when a force is exerted on the transparent cover against the insertion movement.
  • the angle the force necessary to disassemble the cover can be adjusted. At an angle that is very close to 90 °, the force to pull off the cover is relatively high. At blunt angles, the force to disassemble the cover is correspondingly lower.
  • the position of the closure element in the housing defines the depth stop of the cover.
  • an edge of one or two of the aforementioned guide webs of the closure element can serve as a depth stop for the cover.
  • an elastic seal is provided between an edge of the cover and the side wall of the housing.
  • a gasket is squeezed between the edge of the cover and the side wall of the housing. This not only serves to seal, but can also ensure, by the frictional force between the edge of the cover and the side wall of the housing, that the forces for pulling off the cover from the closure element are increased.
  • FIG. 1 a transparent cover 2 of a luminaire according to an embodiment of the invention is shown.
  • the transparent cover 2 is formed by a substantially flat plate, which is made of a transparent plastic, in particular PMMA.
  • the cover 2 has on the housing (in the Figures 1 and 2 not shown) side facing a circumferential edge, at which point towards the housing several hooks 4 connect.
  • the hooks 4, which are formed integrally with the cover, serve to lock the cover 2 with a lamp housing. More specifically, the hooks 4 are for connection to housing-side shutter members 6 integrated in a cutout of a side wall 8 of the housing, as in FIG FIG. 3 , which shows a section of a housing side wall 8, is shown.
  • Each of the hooks 4 has a run-on slope 10 and a recessed edge 12, which cooperate with a spring element 14 of the closure element 6 in order to form a frictional connection between the hook 4 and the spring element 14.
  • the spring element 14 of the closure element 6 also has a run-on slope 16, which corresponds approximately to the angle of the run-on slope 10 relative to the side wall 8. Further, the spring element 14 has a recessed edge 18, which occupies about the same angle relative to the side wall 8 as the recessed edge 12 of the hook 4. To indentation of the cover on the housing is by the contact of the run-on slope 10 with the run-on slope 16, the spring element 14 deflected from the inside of the housing to the outside until the recessed edge 18 of the spring element 14 engages over the edge 12 of the hook 4. The latched in the spring element 14 hook 4 is in a cross section in FIG. 5 shown.
  • the closure element 6 is made of a single sheet metal stamping made of a spring steel. It is fastened in a cutout in the side wall 8 of the luminaire housing. As in the Figures 3 and 4 is shown, the side wall 8 a cutout 20 which is adapted to the shape of the spring element 14.
  • Four slots 22 and 23 are also formed laterally to the cutout 20, wherein the lower slots 23 have a wedge-shaped cutout for easier insertion of the closure element 6.
  • the closure element 6 has four, made of a simple sheet metal hook 24 (see FIG. 5 ), with which the closure element is inserted into the slots 22. Preferably, the undercut of the hook 24 in a direction which faces away from the cover 4.
  • the closure element is not moved out of a mounting position of the side wall 8.
  • the lower of the two hooks 24 have an outwardly directed V-shaped portion 25 (perpendicular to the image plane of FIG. 4 ), wherein the V-shaped portion 25 surrounds the side wall 8 from both sides to stabilize the closure member.
  • the V-shaped portions 25 can be inserted in both slots 23, since the slots 23 have a wedge-shaped cutout.
  • the closure element 6 also has two angled sheet metal tongues 28, which by a fold (from the image plane of FIG. 4 out) define a stop against an inwardly projecting edge of the cutout 20 when the lower portion of the closure member 6 is twisted by the action of the deflected spring member.
  • the closure element 6 has two sheet metal tongues 30, which serve as lateral guide webs 30 for engaging the hook 4.
  • the sheet metal tongues 30 point from the closure element 6 in the side wall 8 in the direction of the inside of the housing. If, during insertion of the cover 2, the hooks 4 are not exactly aligned with the housing-side closure elements 6, the hooks 4 are guided laterally in the direction of the spring element 14 by the guide webs 30. At the same time, the edge of the two sheet metal tongues 20 facing the cover defines the depth stop of the cover. It is advantageous that the depth stop and the spring element 14 are integrally formed in the closure element 6 in order to exclude manufacturing tolerances. Such tolerances can lead to an undefined adhesion between the spring element 14 and the hook 4.
  • the spring element 14 also has two lateral sheet metal tongues 32, which rest on the outside of the housing side wall 8 adjacent to the cutout 20 (see FIGS. 4 and the cross section after FIG. 6 ). By this stop 32, a defined bias of the spring element 14 is specified. Thereby, the force necessary for engaging the cover-side hook 4 in the shutter member 6 is defined.
  • the recessed edges 12 and 18 of the closure member 6 are arranged at an angle to the side wall 8, which is slightly greater than 90 ° (on the side facing away from the cover in the cross section FIG. 5 measured). Through this angle, a disengagement of the cover 2 is possible. However, the force to disengage the cover 2 is much higher than for engagement, because the angle relative to the side wall 8 compared to the run-on slopes 10 and 16 is much closer to 90 °.
  • the stop 32 on the housing wall which limits the tension of the spring element, the force is also defined, which is necessary for engagement or disengagement of the hook in or out of the spring element 14.
  • the cutout 20 is as in FIG FIG. 4 shown above the spring element 14 so far cut over the upper edge, so that the closure element can be inserted from the inside into the cutout with the hooks 24 in the slots and can be moved down.
  • the spring element 14 is movable from outside to inside through the side wall, it is still possible to mount the closure element 6 only from the inside of the housing.
  • the cutout is above the Spring element even so large that a passing through the side wall 8 from the outside is possible to take the spring element 14 at its upper edge of the run-on slope 16 and deflect outwards. As a result, the detent connection between the hook 4 and the spring element 14 can be released manually in order to disassemble the cover 2.
  • a circumferential seal 34 is provided on the edge of the cover 2, wherein the seal 34 in the assembled state of the cover 2 between the side wall 8 and the cover 2 inserts.
  • the seal 34 seals the gap between the cover 2 and the side wall 8.
  • the seal has the advantage that it increases the frictional force between the cover 2 and the side wall 8. As a result, the cover is held not only by the spring force of the closure element 6, but also by the frictional force which causes the seal between the peripheral edge of the cover 2 and the housing side wall 8.
  • the shape of the cover 2, as in FIG. 1 shown may vary.
  • the concept can also be transferred to trough lamps, which have an approximately trough-shaped transparent cover.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
EP13157346.1A 2012-03-29 2013-03-01 Verrouillage pour un couvercle de lampe Active EP2644984B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201210102696 DE102012102696A1 (de) 2012-03-29 2012-03-29 Verriegelung für eine Leuchtenabdeckung

Publications (2)

Publication Number Publication Date
EP2644984A1 true EP2644984A1 (fr) 2013-10-02
EP2644984B1 EP2644984B1 (fr) 2015-06-17

Family

ID=47912928

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13157346.1A Active EP2644984B1 (fr) 2012-03-29 2013-03-01 Verrouillage pour un couvercle de lampe

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EP (1) EP2644984B1 (fr)
DE (1) DE102012102696A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013010053U1 (de) 2013-11-06 2015-02-10 Zumtobel Lighting Gmbh Anordnung zur Lichtabgabe für unterschiedliche Montageformen sowie Leuchte mit einer solchen Anordnung
DE102018106180B4 (de) 2018-03-16 2022-12-08 Trilux Gmbh & Co. Kg Leuchte, insbesondere Feuchtraumleuchte
FR3136003A1 (fr) * 2022-05-31 2023-12-01 Psa Automobiles Sa Vehicule automobile avec un support de poignée de porte collé par un élément de fixation thermoplastique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446955A (en) * 1966-04-29 1969-05-27 Rotaflex Ltd Lamp housing
EP0785391A1 (fr) * 1996-01-22 1997-07-23 3F Filippi S.r.l. Dispositif de fixation d'un écran d'une lampe de plafond sur sa base
DE202009014225U1 (de) * 2009-10-21 2011-03-17 Zumtobel Lighting Gmbh Leuchtengehäuse Halteelement zur Halterung einer Abdeckung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748460A (en) * 1971-08-10 1973-07-24 E Price Recessed suspended lighting fixture
AT339999B (de) * 1973-04-27 1977-11-25 Trilux Lenze Gmbh & Co Kg Leuchte mit einem leuchtengehause und einer kunststoffabdeckwanne
US3918751A (en) * 1974-09-20 1975-11-11 Gen Electric Latch device
DE7910697U1 (de) * 1979-04-11 1979-07-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Langfeldleuchte
DE3611813A1 (de) * 1986-04-08 1987-10-15 Thorn Emi Licht Gmbh Elektrische leuchte
EP2177824B1 (fr) * 2008-10-16 2011-06-22 Osram Gesellschaft mit beschränkter Haftung Agencement de montage pour dispositifs d'éclairage, dispositif d'éclairage correspondant et procédé
DE202008015390U1 (de) * 2008-11-19 2009-02-05 Cleanlight Gmbh Geschlossene Leuchte

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446955A (en) * 1966-04-29 1969-05-27 Rotaflex Ltd Lamp housing
EP0785391A1 (fr) * 1996-01-22 1997-07-23 3F Filippi S.r.l. Dispositif de fixation d'un écran d'une lampe de plafond sur sa base
DE202009014225U1 (de) * 2009-10-21 2011-03-17 Zumtobel Lighting Gmbh Leuchtengehäuse Halteelement zur Halterung einer Abdeckung

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Publication number Publication date
DE102012102696A1 (de) 2013-10-02
EP2644984B1 (fr) 2015-06-17

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