EP0392223B1 - Dispositif pour verrouiller de façon détachable le couvercle au boîtier d'une armature lumineuse allongée - Google Patents

Dispositif pour verrouiller de façon détachable le couvercle au boîtier d'une armature lumineuse allongée Download PDF

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Publication number
EP0392223B1
EP0392223B1 EP90105311A EP90105311A EP0392223B1 EP 0392223 B1 EP0392223 B1 EP 0392223B1 EP 90105311 A EP90105311 A EP 90105311A EP 90105311 A EP90105311 A EP 90105311A EP 0392223 B1 EP0392223 B1 EP 0392223B1
Authority
EP
European Patent Office
Prior art keywords
slide element
rack
housing
slide
longitudinal
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.)
Expired - Lifetime
Application number
EP90105311A
Other languages
German (de)
English (en)
Other versions
EP0392223A1 (fr
Inventor
Heinz Liedtke
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.)
ABB Ceag Licht und Stromversorgungstechnik GmbH
Original Assignee
ABB Ceag Licht und Stromversorgungstechnik 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 ABB Ceag Licht und Stromversorgungstechnik GmbH filed Critical ABB Ceag Licht und Stromversorgungstechnik GmbH
Priority to AT90105311T priority Critical patent/ATE94630T1/de
Publication of EP0392223A1 publication Critical patent/EP0392223A1/fr
Application granted granted Critical
Publication of EP0392223B1 publication Critical patent/EP0392223B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21V17/14—Bayonet-type fastening
    • 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 device according to the preamble of claim 1.
  • a linear luminaire which is to be used in potentially explosive atmospheres, is composed of a housing and a translucent, mostly clear, transparent trough, which are locked together by means of an external locking device that is located inside the housing.
  • the locking device has one or two slides which run inside the housing and which is or are accommodated on a longitudinal side of the housing; on the other long side of the housing or the tub, at least one hinge connecting the housing to the tub is provided.
  • At least one fluorescent lamp is located inside the lamp. If this fluorescent lamp is to be replaced, the locking device is opened and the trough remains connected to the housing by means of the hinge or hinges.
  • the slide elements are arranged on both long sides; in this case, they must be driven at the same time.
  • a drive device a pin is mounted within a side wall of the housing, the rotational movement of which is transmitted to the longitudinal movement of the slide via suitable transmission elements.
  • a locking device for a linear luminaire in which a slide element is slidably guided parallel to one of the longitudinal edges, which engages either with pegs behind hooks formed on the tub or with hooks behind pegs formed on the tub .
  • the slide element has a rack segment which meshes with a gear that can be actuated from the outside.
  • a single slide element is provided, which extends over the entire width of the linear light. This leads to leadership problems and, moreover, the power transmission from the slide element to the projections or hooks on the tub is problematic.
  • a locking device has become known in which a slide element, which has a rack segment, can be displaced in the longitudinal direction by means of a toothed wheel which can be rotated from the outside. It drives two hooks centrally located in the lamp, which grip behind the projections on the tub and lock it in this way.
  • the object of the invention is to provide a device of the type mentioned at the outset, which is as simple as possible and in particular manages with as few different components as possible.
  • the rack element On each slide element, the rack element is arranged at the same point, so that the rack segments only lie opposite one another by simply turning the slide elements with the rack segments so that the gearwheel in between can mesh with both rack segments.
  • Both slide elements on one longitudinal edge are accordingly constructed identically.
  • a special advantage is obtained with such an embodiment of the invention. While if only one slide element is arranged on each longitudinal edge of the housing, the cover trough is loaded in one direction during the closing process or is subjected to a closing force in the closing direction, which can lead to a displacement of the trough relative to the housing, the closing forces act in the inventive training against each other, so that a resulting force acting on the tub is not available. A displacement of the tub is avoided.
  • the rack segment can be integrally formed on the slide element according to claim 4 or mechanically coupled to it according to claim 5.
  • a further embodiment of the invention can be such that, according to claim 6, the rack elements are guided by a guide housing.
  • the structure of the guide housing can be as specified in claim 7.
  • a linear luminaire 10 is composed of a housing 11 and a transparent trough 12, which are connected to one another in a sealed manner with their longitudinal edges with the interposition of a seal 13.
  • the housing 11 has a circumferential, L-shaped cranked edge 14 with a sealing surface 15, whereas the tub 12 has at its edge a circumferential, U-shaped channel 16, the U-shape of which is open to the sealing surface 15 and into which the seal 13 is inserted.
  • power supply devices 18 (which are only partially shown) are fastened via posts 17;
  • a fluorescent lamp 19 and a reflector 20 are located in the area of the tub.
  • slide elements 22, 23 Parallel to the side walls 21 there are slide elements 22, 23 in the interior of the housing, with further slide elements being arranged on the inner surface of the opposite side wall of the housing 11, which cannot be seen here.
  • the slide element 22 is shown in more detail in FIG. 1. It is an elongated rectangular component, on the two longitudinal edges 24 and 25 of which approximately L-shaped recesses 26 and 27 are arranged or introduced, the L-legs 28 and 29 of which are all aligned in one of the longitudinal directions of the slide element 22.
  • a rack segment 30 is attached, which is aligned with the toothless edge 31 with the longitudinal edge 25, whereas the tooth area 32 from the toothless Edge 31 is significantly less than the center line MM.
  • the identically designed slide element 22 can be used for all slide elements 22/23 in the interior of a linear luminaire, so that only a single configuration of a slide element has to be kept in stock and thus the storage is considerably reduced.
  • the slide element can also be shaped as shown in FIG. 2.
  • a molded part 35 is formed on the same narrow edge, which has omega-shaped openings or recesses 36 and 37 which are open towards the narrow side edge.
  • the rack segment 38 is then, as shown in FIG. 3, a separate element which has mushroom-like projections 39 and 40 on its opposite end edges, which can be snapped into the omega-shaped openings 36 and 37.
  • the openings 36 and 37 and the projections 39 and 40 then serve practically as couplings. In the assembled state, a configuration as shown in FIG. 1 is practically achieved.
  • a drive pin 42 In the side wall 21 of the housing 11 there is a bore 41 in which a drive pin 42 is rotatably mounted in a sealed manner.
  • the outer end of the drive pin 42 has a nut profile 43 so that the pin 42 can be rotated by means of a tool.
  • the bore 41 is surrounded by a cylindrical collar 44, which serves as a protective collar.
  • a gear 45 is fastened, to which a drive shaft 46 connects, which is mounted on the opposite side wall in a blind hole (not shown in more detail).
  • the two slide elements 22 and 23 (see FIG. 2), wherein, as mentioned above, the slide element 23 corresponds identically to the slide element 22 and is only installed in a rotated manner, mesh with their rack segments 30 with the gear wheel 45, the rack segment 30 of the slide element 23 at the top and the rack segment 30 of the slide element 22 engage below in the gear 45.
  • the toothed segments have a bar 47 which is narrower than the remaining thickness of the toothed segments and whose free edge is aligned with the longitudinal edge 25.
  • a guide housing 48 is provided, which is penetrated by the drive shaft 46 and has a plate 49; On two opposite side edges, an L-shaped projection 50 and 51 is formed on the plate 49, which formations form a U-shaped groove 52 and 53, which face one another with their open U-shape and accommodate the strips 47 for guidance.
  • the housing 48 accommodates the two rack elements 38 at the top and bottom, and this creates a uniform, prefabricatable toothed drive element with which the two identical slide elements according to FIG. 2 are inserted by inserting the projections 39 and 40 in the openings 36 and 37 are coupled.
  • the tub 12 has in the region of its groove 16 on the inside protruding pins 54 which are arranged so that the L-shaped recesses 26 engage behind them.
  • the number of pins corresponds to the number of L-shaped recesses per two slide elements.
  • An identical housing 48 with the rack elements can of course also be provided on the opposite side wall of the housing 11.
  • the drive shaft extends through the housing parallel to the base part and perpendicular to the longitudinal extension of the linear light 10.
  • each pin 54 is designed as a cylindrical pin with a blind hole 55 into which a projection 56 adapted to it can be snapped, on which a U-shaped tab 57 is formed; one can also say that the projection is formed on the U-shaped tab 57.
  • the other leg is connected to the housing in the area of a post.
  • the tab 55 has two webs having the U-shape, one leg of which is connected by means of a connecting web 59, the projection on the connecting web 59 56 is formed.
  • the other ends of the U-shaped ridges of the U-shaped tab are attached to a support post 60 on the housing.
  • the support post 60 is provided or arranged at a distance from the inner surface of the side wall 21 and has at its upper free end a guide projection 61 directed towards the side wall 21, which engages in the slots 33 and thus serves for the horizontal guidance of the slide elements 22/23 .
  • This post is divided into two; it has a lower post part 60a molded onto the housing base and an upper post part 60b attached to it by means of a screw connection 62, on which the projection 61 is molded.
  • a number of posts 60 corresponding to the number of slots 33 is formed on the housing base with a guide projection 61.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Lasers (AREA)
  • Endoscopes (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (7)

  1. Dispositif pour fixer de manière démontable un hublot translucide sur le boîtier d'un appareil d'éclairage allongé, comportant au moins un élément coulissant qui est guidé avec possibilité de déplacement longitudinal à l'intérieur du boîtier et qui, en position fermée, s'engage par des griffes derrière des saillies aménagées sur le hublot, un dispositif d'entraînement de l'élément coulissant présentant une roue dentée qui peut être actionnée à partir de l'extérieur et engrène avec un segment denté sur l'élément coulissant, l'élément coulissant pouvant être amené de la position verrouillée dans la position déverrouillée et inversement au moyen du dispositif d'entraînement, caractérisé par le fait que pour former les griffes, il est prévu sur les deux grands côtés de chaque élément coulissant (22, 23) des évidements (26) en L orientés dans la même direction, et par le fait que, sur le petit côté situé à l'opposé de la direction de l'aile (29) de chaque évidement, sensiblement parallèle au grand côté voisin, le segment denté (32) est disposé en dehors de l'axe médian longitudinal (M-M) de l'élément coulissant et fait saillie perpendiculairement au petit côté, son bord (31) non denté étant sensiblement aligné avec l'un des bords longitudinaux de l'élément coulissant (22, 23) et la partie dentée (32) étant disposée à distance de l'axe médian longitudinal (M-M).
  2. Dispositif selon la revendication 1, caractérisé par le fait que, sur au moins un grand côté de l'appareil d'éclairage allongé ( 10), deux éléments coulissants (22, 23) identiques sont disposés l'un derrière l'autre en étant alignés et sont guidés avec possibilité de déplacement parallèlement au grand côté, les segments de crémaillère (30) se chevauchant et une roue dentée (45) étant disposée entre deux, laquelle roue dentée engrène avec les deux segments dentés de manière telle que, lors de la rotation en direction de la position verrouillée, les éléments coulissants se déplacent en direction l'un de l'autre.
  3. Dispositif selon la revendication 2, caractérisé par le fait que la largeur de l'élément à crémaillère (30, 38) mesurée perpendiculairement à sa longueur est nettement inférieure à la moitié de la largeur de l'élément coulissant (22).
  4. Dispositif selon l'une des revendications précédentes caractérisé par le fait que l'élément à crémaillère (30) est formé sur l'élément coulissant (22).
  5. Dispositif selon l'une des revendications précédentes caractérisé par le fait que le segment de crémaillère (38) est un élément séparé qui peut être couplé mécaniquement à l'élément coulissant.
  6. Dispositif selon l'une des revendications précédentes caractérisé par le fait qu'il est prévu un boîtier de guidage (48) pour les segments de crémaillère (30, 38).
  7. Dispositif selon revendication 6, caractérisé par le fait que le boîtier de guidage (48) comporte une plaque (49) dont les deux bords latéraux opposés sont conformés chacun en L (50, 51) et forment chacun un U, dont les côtés ouverts sont tournés l'un vers l'autre et qui reçoivent à des fins de guidage les segments de crémaillère (30, 38).
EP90105311A 1989-03-25 1990-03-21 Dispositif pour verrouiller de façon détachable le couvercle au boîtier d'une armature lumineuse allongée Expired - Lifetime EP0392223B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90105311T ATE94630T1 (de) 1989-03-25 1990-03-21 Vorrichtung zum loesbaren verriegeln der wanne an dem gehaeuse einer langfeldleuchte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3909891 1989-03-25
DE3909891A DE3909891A1 (de) 1989-03-25 1989-03-25 Vorrichtung zum loesbaren verriegeln der wanne an dem gehaeuse einer langfeldleuchte

Publications (2)

Publication Number Publication Date
EP0392223A1 EP0392223A1 (fr) 1990-10-17
EP0392223B1 true EP0392223B1 (fr) 1993-09-15

Family

ID=6377225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90105311A Expired - Lifetime EP0392223B1 (fr) 1989-03-25 1990-03-21 Dispositif pour verrouiller de façon détachable le couvercle au boîtier d'une armature lumineuse allongée

Country Status (5)

Country Link
EP (1) EP0392223B1 (fr)
AT (1) ATE94630T1 (fr)
DE (2) DE3909891A1 (fr)
ES (1) ES2046569T3 (fr)
NO (1) NO901358L (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4309034C2 (de) * 1993-03-20 1996-07-18 Braun Ag Elektrogerät
DE102005001192B4 (de) * 2005-01-10 2009-10-29 BöSha Technische Produkte GmbH & Co. KG Zentralverriegelung für explosionsgeschützte Langfeldleuchten

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH335380A (de) * 1954-07-30 1958-12-31 Schneider & Co Dr Ing Zur Verwendung im Freien bestimmte Leuchte
CH439181A (de) * 1964-08-22 1967-07-15 Schuppli Josef Aufhängevorrichtung, insbesondere für Deckenlampen
BE757244A (fr) * 1969-10-22 1971-03-16 Concordia Elektrizitaets Ag Dispositif de verrouillage pour lanternes allongees
DE3230337A1 (de) * 1982-08-14 1984-02-16 Maehler & Kaege Ag, 6507 Ingelheim Verriegelungseinrichtung fuer eine leuchte
EP0199987A3 (fr) * 1985-04-04 1989-02-01 Georg Maurus Serrure, notamment pour valise

Also Published As

Publication number Publication date
NO901358D0 (no) 1990-03-23
NO901358L (no) 1990-09-26
EP0392223A1 (fr) 1990-10-17
DE59002692D1 (de) 1993-10-21
ATE94630T1 (de) 1993-10-15
DE3909891A1 (de) 1990-09-27
ES2046569T3 (es) 1994-02-01

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