EP0621442B1 - Ceiling recessed light fixture - Google Patents

Ceiling recessed light fixture Download PDF

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Publication number
EP0621442B1
EP0621442B1 EP94105496A EP94105496A EP0621442B1 EP 0621442 B1 EP0621442 B1 EP 0621442B1 EP 94105496 A EP94105496 A EP 94105496A EP 94105496 A EP94105496 A EP 94105496A EP 0621442 B1 EP0621442 B1 EP 0621442B1
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EP
European Patent Office
Prior art keywords
light fixture
ceiling
housing
insert unit
luminaire
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
EP94105496A
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German (de)
French (fr)
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EP0621442A1 (en
Inventor
Gottfried Müller
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.)
Siteco Beleuchtungstechnik GmbH
Original Assignee
Siemens AG
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Filing date
Publication date
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Publication of EP0621442A1 publication Critical patent/EP0621442A1/en
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Expired - Lifetime legal-status Critical Current

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    • 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
    • F21V17/107—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 using hinge 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
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • 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

Definitions

  • the invention relates to a recessed ceiling light according to the preamble of claim 1.
  • recessed ceiling lights are often constructed in such a way that they can be inserted from below into a given ceiling opening and can be attached to the ceiling.
  • a certain edge remains between the housing of the installed recessed ceiling light and the ceiling surface, or a fastening flange is provided on the underside of the recessed ceiling light, which then covers the ceiling opening.
  • cover rings are often provided, which can be screwed into this housing flange when the ceiling light is installed and can mainly be fixed there by means of a bayonet catch.
  • a luminaire insert is provided on the underside of the recessed ceiling light, inserted in the luminaire housing, which carries lighting elements such as cover glasses or the like, which thus also determines the lighting technology of the recessed luminaire and which covers the light source for the viewer, so that it does not directly is visible.
  • the light source is therefore not freely accessible from below.
  • a luminaire insert with the cover ring is often a constructive one Unit, which is then attached to the luminaire housing by a bayonet lock or by fastening screws accessible from below.
  • the latter possibility is structurally simpler than a relatively complex bayonet lock, which is often realized by injection molded parts, but is often not used for optical reasons.
  • a luminaire for compact fluorescent lamps is described there, in whose light outlet opening in the form of a grid of regular arrangement, a plurality of reflector elements are used, which define the emission characteristics of the luminaire.
  • the entire reflector system is formed in two parts, i.e. it has a pot-shaped main reflector, into which an inner body can be inserted as a removable unit in the light outlet opening of the lamp and is fixed via detent elements so that it can be removed again.
  • a spot lamp which, lying in front of the actual light exit opening of the lamp, has attachments, such as lenses, screen shutters and the like.
  • these attachments are attached to a pair of mounting rails, which are positioned parallel to the lamp axis when the lamp is ready for operation and are guided in sliding swivel bearings that are provided on the outside of a lamp housing.
  • the mounting rods with the attachments fixed on them are pulled out of these sliding swivel bearings parallel to the lamp axis up to predetermined stops and then laterally pivoted by a pivoting movement in the radial direction from the light exit opening of the lamp.
  • the interaction of the guide angle and the associated latching element brings about two latching positions in the inserted state or in the state of the anti-dazzle ring removed along the center axis of the lamp.
  • the locking elements also have resilient end stops, so that the cover plate can be completely removed from the lamp housing when the spring force of these stops is overcome.
  • the latching position in which the anti-dazzle ring is pulled off the lamp housing, it can be pivoted about an axis perpendicular to the lamp center axis due to the rotatable connection to the pair of latching elements, so that the interior of the lamp housing e.g. is accessible for a lamp change.
  • the present invention is therefore based on the object of specifying a further solution for fastening luminaire inserts to luminaire housings for a ceiling luminaire of the type mentioned at the outset, which is functionally reliable, structurally simple as possible and yet both optically satisfactory and functional with regard to unavoidable maintenance work, such as For example, a tool-free lamp change meets all requirements.
  • This solution according to the invention enables the luminaire insert, which is attached to the luminaire housing and is invisible to the viewer, from the mounted downlight to the bottom deduct and swivel the luminaire insert to the side away from the ceiling opening as it is rotatably mounted.
  • the light source and the reflector of the recessed ceiling light are easily accessible.
  • the swung out lamp insert hangs safely on the ceiling and in no way hinders a lamp change. It is particularly advantageous for the fitter that he does not have to put down the lower part of the lamp that is pulled out for changing the lamp, ie the lamp insert as a separate part.
  • a ceiling recessed luminaire shown in cross section in FIG. 1 and inserted into a ceiling 1 has a luminaire housing 2 with an outer flange 210 covering a ceiling opening 110 and an inwardly angled inner flange 220 arranged at a predetermined distance from the ceiling.
  • a U-shaped angled sheet metal angle 230 is fixed at its leg ends, which has an outwardly angled tongue 240 at its upper end near its base surface, on which connection terminals 3 for the line feed and optionally further electrical components are fixed.
  • a mounting bracket 4 which is trapezoidal in cross section, is screwed, which carries a lamp holder 5.
  • This light source 6 is surrounded by a cup-shaped lamp reflector 7.
  • the recessed ceiling luminaire with its housing 2 described is fixed in the ceiling opening 110 of the ceiling 1 by means of a double-angled mounting bracket 8 in cooperation with the outer flange 210 of the luminaire housing 2.
  • This mounting bracket 8 is longitudinally displaceably guided on a threaded rod 9, which is arranged parallel to the central axis of the recessed ceiling light and can be rotated through the ceiling opening 110, and is braced by rotating this threaded rod 9 on the top of the ceiling 1, as a result of which the outer flange 210 of the lamp housing 2 is on the underside of the ceiling 1 is used in a force-fitting manner.
  • the ceiling recessed luminaire described has a removable luminaire insert 10.
  • This has a housing cylinder 101, which is cranked several times on average, with a cover ring 102 attached to it on the outer edge and a flange 103 on the luminaire side.
  • a guide rod 11 with one end is rotatably mounted as a guide element on the edge and parallel to the axis.
  • the other end of this guide rod 11 is movably fixed in receiving bores of a double-angled bearing bracket 12, which in turn is fixed on the upper side of the inner flange 220 of the lamp housing 2.
  • a securing element 13 for example a snap ring, is fixed. This secures the guide rod against falling out of the bearing bracket 12 downwards.
  • the length of the guide rod 11 is dimensioned such that the lamp insert 10 freely in the disengaged state on the ceiling hangs and can be swiveled parallel to the ceiling, as indicated by an arrow.
  • FIG. 3 the ceiling light described is shown in a view from above.
  • This view clarifies - in addition to the housing and fastening components already described - in a comparison, in particular with the illustration in FIG. 2, how the lamp insert 10 is fixed to the lamp housing 2 in the engaged state.
  • two mandrels 14 are arranged symmetrically with respect to the guide rod 11 on the circumference of the flange 103 of the lamp insert 10. Only one of these spikes 14 is visible in the cross-sectional illustration in FIG. However, the view of FIG. 3 illustrates the position of these mandrels 14 with respect to the guide rod 11.
  • these mandrels also have a conical shape at their upper end for the purpose of simple centering, approximately at the level of the flange 103 of the lamp insert 10 each have a radially circumferential groove 114 or 114 '. These grooves 114 and 114 'of the guide rod 11 and the mandrels 14 form locking surfaces for locking the lamp insert 10 on the inner flange 220 of the lamp housing 2.
  • a wire spring 15 is provided on the upper side of the inner flange 220 of the lamp housing 2 as a latching means for the mandrels 14 and also the guide rod 11.
  • This is bent in a U-shape and has a fastening eyelet at the bent end, with which it is fixed by means of a fastening screw 16 on the upper side of the inner flange 220 of the lamp housing is.
  • the wire springs 15 cover with their parallel legs a receiving bore 17 for the mandrels 14 - the same applies to the guide rod 11 - and are clamped with their free, angled ends into a cutout 18 in the inner flange 220 of the lamp housing 2.
  • the configuration of this cutout 18 is also important for the spring force of the wire springs 15 acting on the mandrels 14. Because of the radial expansion of the cutouts 18, it is in the hand to preload the two legs of the wire springs 15 accordingly. If the luminaire insert 10 is now pivoted in under the ceiling opening - as shown in FIG. 2 - then it can simply be pushed upwards into the luminaire housing 2 of the recessed ceiling luminaire. The guide rod 11 slides upwards in the bearing bracket 12 until the mandrels 14 and also the guide rod 11 engage with their respective groove 114 or 114 'on the respective wire spring 15 and are then held there in a locking manner.
  • the light insert 10 is pulled out of the recessed ceiling light as a unit, in which the latching forces of the wire springs 15 are overcome. As shown clearly in FIG. 5, the lamp insert 10 is pivoted away from the ceiling opening 110 in its disengaged position. The light source 6 and also the lamp reflector 7 are thus freely accessible from below. A simple lamp change does not pose any difficulties. The lamp insert 10 is then swiveled in again and into the lamp housing 2 inserted, the mandrels 14 with their tapered ends insert themselves centering into their receiving bores 17 and finally snap into the wire springs 15.
  • the exemplary embodiment described above relates to a preferred embodiment. What is essential here is the possibility of pulling down a lamp insert held by latching means in the lamp housing without it falling out of the lamp and then being able to swing it out laterally for maintenance work. It is clear to the person skilled in the art on the basis of the exemplary embodiment described above that, for example, the type of fixing of this disengageable lamp insert 10 with the aid of guide pins and wire-shaped retaining springs is by no means the only embodiment within the scope of the invention. Other locking devices are also available.

Abstract

In built-in ceiling luminaires a cover ring or also a luminaire insert having light-shaping elements is often provided in the light exit opening, which have to be removed for lamp replacement or for other maintenance for the inside of the luminaire to become accessible. This is to be made possible in a simple manner and in a way which does not require any tools and facilitates maintenance. For this purpose, a guide element (11) is provided for fastening the luminaire insert (10) and/or the cover ring (102). Said guide element is mounted on the luminaire housing (2) so as to be displaceable in an axially parallel manner and carries at the free end the luminaire insert which is fastened rotatably and can be pivoted out laterally in the disengaged state. In the engaged state, the luminaire insert is centred at the luminaire housing and releaseably locked by means of locking elements (14, 15, 114). The solution can be used in the case of all ceiling luminaires which have to be serviced from the underside of the ceiling. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Deckeneinbauleuchte gemäß dem Oberbegriff des Patentanspruches 1.The invention relates to a recessed ceiling light according to the preamble of claim 1.

Selbst bei abgehängten Decken ist der Raum über der Decke im allgemeinen für Montagezwecke nicht leicht zugänglich. Deshalb sind bekannte Deckeneinbauleuchten vielfach derart aufgebaut, daß sie von unten her in eine vorgegebene Deckenöffnung einsetzbar und an der Decke befestigbar sind. Aus Montagegründen verbleibt damit zwischen dem Gehäuse der montierten Deckeneinbauleuchte und der Deckenfläche ein gewisser Rand oder aber es ist ein Befestigungsflansch auf der Unterseite der Deckeneinbauleuchte vorgesehen, der dann die Deckenöffnung überdeckt. Optisch ist auch diese Lösung meist nicht voll befriedigend, weshalb häufig Abdeckringe vorgesehen sind, die im eingebauten Zustand der Deckenleuchte in diesen Gehäuseflansch eindrehbar und vorwiegend mittels eines Bajonettverschlusses dort festlegbar sind.Even with suspended ceilings, the space above the ceiling is generally not easily accessible for installation purposes. Therefore, known recessed ceiling lights are often constructed in such a way that they can be inserted from below into a given ceiling opening and can be attached to the ceiling. For installation reasons, a certain edge remains between the housing of the installed recessed ceiling light and the ceiling surface, or a fastening flange is provided on the underside of the recessed ceiling light, which then covers the ceiling opening. Visually, this solution is also usually not completely satisfactory, which is why cover rings are often provided, which can be screwed into this housing flange when the ceiling light is installed and can mainly be fixed there by means of a bayonet catch.

In vielen Fällen ist auf der Unterseite der Deckeneinbauleuchte, in das Leuchtengehäuse eingesetzt, ein Leuchteneinsatz vorgesehen, der lichttechnische Elemente, wie Abdeckgläser oder dergleichen trägt, der damit die Lichttechnik der Einbauleuchte mitbestimmt und der die Lichtquelle für den Betrachter abdeckt, so daß sie direkt nicht sichtbar ist. Die Lichtquelle ist damit aber auch von unten her nicht frei zugänglich. Fur Wartungsarbeiten bildet deshalb häufig ein solcher Leuchteneinsatz mit dem Abdeckring eine konstruktive Einheit, die dann an dem Leuchtengehäuse eben durch einen Bajonettverschluß oder auch durch von unten zugängliche Befestigungsschrauben befestigt ist. Letztere Möglichkeit ist zwar konstruktiv einfacher als ein relativ aufwendiger, häufig durch Spritzgußteile verwirklichter Bajonettverschluß, wird aber aus optischen Gründen dennoch vielfach nicht eingesetzt.In many cases, a luminaire insert is provided on the underside of the recessed ceiling light, inserted in the luminaire housing, which carries lighting elements such as cover glasses or the like, which thus also determines the lighting technology of the recessed luminaire and which covers the light source for the viewer, so that it does not directly is visible. The light source is therefore not freely accessible from below. For maintenance work, such a luminaire insert with the cover ring is often a constructive one Unit, which is then attached to the luminaire housing by a bayonet lock or by fastening screws accessible from below. The latter possibility is structurally simpler than a relatively complex bayonet lock, which is often realized by injection molded parts, but is often not used for optical reasons.

Ein Beispiel aus dem Stand der Technik ist in DE-U-88 17 065 offenbart. Dort ist eine Leuchte für Kompakt-Leuchtstofflampen beschrieben, in deren Lichtaustrittsöffnung in Form eines Rasters regelmäßiger Anordnung eine Mehrzahl von Reflektorelementen eingesetzt ist, die die Abstrahlcharakteristik der Leuchte definieren. Um diese Abstrahlcharakteristik durch Abwandlung dieses Reflektorrasters verändern zu können, ist das gesamte Reflektorsystem zweiteilig ausgebildet, d.h. es weist einen topfförmigen Hauptreflektor auf, in den in der Lichtaustrittsöffnung der Leuchte als abnehmbare Einheit ein Innenkörper eingesetzbar ist und über Rastelemente, damit wieder herausnehmbar, festgelegt ist.An example from the prior art is disclosed in DE-U-88 17 065. A luminaire for compact fluorescent lamps is described there, in whose light outlet opening in the form of a grid of regular arrangement, a plurality of reflector elements are used, which define the emission characteristics of the luminaire. In order to be able to change this radiation characteristic by modifying this reflector grid, the entire reflector system is formed in two parts, i.e. it has a pot-shaped main reflector, into which an inner body can be inserted as a removable unit in the light outlet opening of the lamp and is fixed via detent elements so that it can be removed again.

Weiterhin ist aus EP-A-0 442 169 eine Strahlerleuchte bekannt, die, vor der eigentlichen Lichtaustrittsöffnung der Leuchte liegend, Vorsatzteile, wie Linsen, Rasterblenden und dergleichen aufweist. Zum leichteren Montieren beim Auswechseln der Lampe sind diese Vorsatzteile auf einem Paar von Montageschienen befestigt, die im betriebsbereiten Zustand der Leuchte parallel zur Leuchtenachse positioniert sind und in Schiebe-Schwenklagern, die auf der Außenseite eines Leuchtengehäuses gehäusefest vorgesehen sind, geführt sind. Zum Freigeben der Lichtaustrittsöffnung der Leuchte werden die Montagestangen mit den darauf festgelegten Vorsatzteilen parallel zur Leuchtenachse aus diesen Schiebe-Schwenklagern bis zu vorgegebenen Anschlägen herausgezogen und dann seitlich durch eine Schwenkbewegung in radialer Richtung von der Lichtaustrittsöffnung der Leuchte abgeschwenkt.Furthermore, from EP-A-0 442 169 a spot lamp is known which, lying in front of the actual light exit opening of the lamp, has attachments, such as lenses, screen shutters and the like. For easier mounting when replacing the lamp, these attachments are attached to a pair of mounting rails, which are positioned parallel to the lamp axis when the lamp is ready for operation and are guided in sliding swivel bearings that are provided on the outside of a lamp housing. To release the light outlet opening of the lamp, the mounting rods with the attachments fixed on them are pulled out of these sliding swivel bearings parallel to the lamp axis up to predetermined stops and then laterally pivoted by a pivoting movement in the radial direction from the light exit opening of the lamp.

Schließlich ist aus der US-A-2 960 361 eine Deckeneinbauleuchte der eingangs genannten Art bekannt. Auch bei dieser Leuchte sind in der Lichtaustrittsöffnung der Leuchte angeordnete Vorsatzteile, wie ein Blendring und eine Abdeckscheibe, am Leuchtengehäuse rastend und damit wieder lösbar zu befestigen. Einander diagonal gegenüberstehend und in das Innere hineinragend, ist am Leuchtengehäuse ein Paar von Führungswinkeln angeordnet. Diese weisen Schlitze auf, in den relativ komplex aufgebaute, blattförmige Rastelemente geführt sind, die ihrerseits an senkrecht vom Abblendring nach innen abstehenden Winkeln drehbar angelenkt sind. Das Zusammenwirken von Führungswinkel und zugeordnetem Rastelement bewirkt zwei Rastpositionen im eingeschobenen Zustand bzw. im längs der Leuchtenmittelachse herausgenommenen Zustand des Abblendringes. Die Rastelemente besitzen außerdem federnde Endanschläge, so daß die Abdeckscheibe bei Überwindung der Federkraft dieser Anschläge vollständig von dem Leuchtengehäuse abziehbar ist. In der Rastposition, in der der Abblendring von dem Leuchtengehäuse abgezogen ist, ist dieser aufgrund der drehbeweglichen Verbindung mit dem Rastelementpaar um eine zur Leuchtenmittelachse senkrechte Achse schwenkbar, so daß das Innere des Leuchtengehäuses z.B. für einen Lampenwechsel zugänglich ist.Finally, from US-A-2 960 361 a recessed ceiling light of the type mentioned is known. With this luminaire, too, attachments arranged in the light exit opening of the luminaire, such as a blind ring and a cover plate, have to be snapped onto the luminaire housing and thus releasably attached. Opposing each other diagonally and projecting into the interior, a pair of guide brackets is arranged on the lamp housing. These have slots in which relatively complex, leaf-shaped latching elements are guided, which in turn are rotatably articulated at angles protruding inwards vertically from the anti-dazzle ring. The interaction of the guide angle and the associated latching element brings about two latching positions in the inserted state or in the state of the anti-dazzle ring removed along the center axis of the lamp. The locking elements also have resilient end stops, so that the cover plate can be completely removed from the lamp housing when the spring force of these stops is overcome. In the latching position, in which the anti-dazzle ring is pulled off the lamp housing, it can be pivoted about an axis perpendicular to the lamp center axis due to the rotatable connection to the pair of latching elements, so that the interior of the lamp housing e.g. is accessible for a lamp change.

Die bekannten, vorstehend skizzierten Lösungen für den Dekkenabschluß von Deckeneinbauleuchten sind entweder konstruktiv einfach und damit kostengünstig, wie beispielsweise die genannte Schraubverbindung, aber gestalterisch unbefriedigend oder von der Gestaltung her zwar befriedigend, dann aber aufwendig in der Herstellung, wie beispielsweise der genannte Bajonettverschluß.The known solutions outlined above for the ceiling closure of recessed ceiling lights are either structurally simple and therefore inexpensive, such as the screw connection mentioned, but are unsatisfactory from a design point of view, or satisfactory from the design point of view, but then complex to manufacture, such as the bayonet fitting mentioned.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, für eine Deckenleuchte der eingangs genannten Art eine weitere Lösung für die Befestigung von Leuchteneinsätzen an Leuchtengehäusen anzugeben, die funktionssicher ist, konstruktiv möglichst einfach und dennoch sowohl optisch befriedigend als auch funktionell im Hinblick auf unvermeidbare Wartungsarbeiten, wie beispielsweise einen werkzeuglosen Lampenwechsel alle Anforderungen erfüllt.The present invention is therefore based on the object of specifying a further solution for fastening luminaire inserts to luminaire housings for a ceiling luminaire of the type mentioned at the outset, which is functionally reliable, structurally simple as possible and yet both optically satisfactory and functional with regard to unavoidable maintenance work, such as For example, a tool-free lamp change meets all requirements.

Erfindungsgemäß wird diese Aufgabe bei einer Deckeneinbauleuchte der eingangs genannten Art durch die im Kennzeichen des Patentanspruches 1 beschriebenen Merkmale gelöst.According to the invention, this object is achieved in a recessed ceiling light of the type mentioned by the features described in the characterizing part of patent claim 1.

Diese erfindungsgemäße Lösung ermöglicht, den an dem Leuchtengehäuse für den Betrachter unsichtbar befestigten Leuchteneinsatz von der montierten Deckeneinbauleuchte nach unten abzuziehen und den Leuchteneinsatz, da er drehbeweglich gelagert ist, nach der Seite von der Deckenöffnung weg herauszuschwenken. In der ausgeschwenkten Lage des Leuchteneinsatzes sind die Lichtquelle und der Reflektor der Deckeneinbauleuchte einwandfrei zugänglich. Dabei ist es von Vorteil, daß der ausgeschwenkte Leuchteneinsatz sicher an der Decke hängt und beispielsweise einen Lampenwechsel keineswegs behindert. Für den Monteur ist es besonders vorteilhaft, daß er das für den Lampenwechsel herausgezogene Leuchtenunterteil, d. h. den Leuchteneinsatz nicht als Einzelteil eigens ablegen muß. Dies kann in an sich bekannter Weise zwar auch vermieden werden, indem man einen solchen herausnehmbaren Leuchteneinsatz beispielsweise mittels eines Bändchens mit dem Leuchtengehäuse verbindet. Dann aber hängt der von dem Leuchtengehäuse abgezogene Leuchteneinsatz unterhalb der Deckenöffnung frei in der Luft und behindert dennoch den Monteur bei seinen Wartungsarbeiten. Im vorliegenden Fall erlaubt der zur Seite geschwenkte Leuchteneinsatz ein bequemes und ungestörtes Arbeiten.This solution according to the invention enables the luminaire insert, which is attached to the luminaire housing and is invisible to the viewer, from the mounted downlight to the bottom deduct and swivel the luminaire insert to the side away from the ceiling opening as it is rotatably mounted. In the swiveled-out position of the luminaire insert, the light source and the reflector of the recessed ceiling light are easily accessible. It is advantageous that the swung out lamp insert hangs safely on the ceiling and in no way hinders a lamp change. It is particularly advantageous for the fitter that he does not have to put down the lower part of the lamp that is pulled out for changing the lamp, ie the lamp insert as a separate part. This can also be avoided in a manner known per se by connecting such a removable lamp insert to the lamp housing, for example by means of a ribbon. Then, however, the luminaire insert pulled off the luminaire housing hangs freely in the air below the ceiling opening and still hinders the fitter in his maintenance work. In the present case, the luminaire insert swiveled to the side allows comfortable and undisturbed work.

Vorteilhafte Weiterbildungen der Erfindung sind in Unteransprüchen beschrieben. Sie werden im folgenden in ihrer Ausgestaltung und mit ihren Vorteilen an einem bevorzugten Ausführungsbeispiel naher erläutert.Advantageous developments of the invention are described in the subclaims. They are explained in more detail below in terms of their design and their advantages using a preferred exemplary embodiment.

Ein solches Ausführungsbeispiel wird nachstehend anhand der Zeichnung im einzelnen beschrieben. Dabei zeigt

  • Figur 1 einen Schnitt durch eine erfindungsgemäß ausgebildete und in eine Decke bereits eingesetzte Deckeneinbauleuchte im Betriebszustand,
  • Figur 2 die Deckeneinbauleuchte nach Figur 1, bei der ein von dem Leuchtengehäuse abziehbarer Leuchteneinsatz nach unten herausgezogen ist,
  • Figur 3 eine Ansicht der Deckeneinbauleuchte von oben,
  • Figur 4 einen Ausschnitt aus der Ansicht von Figur 3, in dem die Verriegelung des abziehbaren Leuchteneinsatzes in dem Leuchtengehäuse verdeutlicht ist und
  • Figur 5 eine weitere Schnittansicht der Deckeneinbauleuchte gemäß Figur 1, bei der der ausrückbare Leuchteneinsatz zu Wartungszwecken von der Deckenöffnung abgeschwenkt ist.
Such an embodiment is described below with reference to the drawing. It shows
  • FIG. 1 shows a section through a recessed ceiling light designed according to the invention and already inserted into a ceiling in the operating state,
  • FIG. 2 shows the recessed ceiling light according to FIG. 1, in which a light insert that can be pulled off the light housing is pulled downwards,
  • FIG. 3 shows a view of the recessed ceiling light from above,
  • Figure 4 shows a detail of the view of Figure 3, in which the locking of the removable lamp insert in the lamp housing is illustrated and
  • 5 shows a further sectional view of the recessed ceiling light according to FIG. 1, in which the disengageable light insert is pivoted away from the ceiling opening for maintenance purposes.

Ein in Figur 1 im Querschnitt dargestellte und in eine Decke 1 eingesetzte Deckeneinbauleuchte weist ein Leuchtengehäuse 2 mit einem eine Deckenöffnung 110 abdeckenden Außenflansch 210 sowie einen in einem vorgegebenen Abstand von der Decke angeordneten, nach innen abgewinkelten Innenflansch 220 auf. An diesem Innenflansch 220 ist ein U-förmig abgewinkelter Blechwinkel 230 an seinen Schenkelenden festgelegt, der an seinem oberen Ende nahe seiner Basisfläche eine nach außen abgewinkelte Zunge 240 aufweist, an der Anschlußklemmen 3 für die Leitungszuführung und gegebenenfalls weitere elektrische Bauelemente festgelegt sind. Auf der Unterseite der Basisfläche des Blechwinkels 230 ist ein im Querschnitt trapezförmig ausgebildeter Befestigungswinkel 4 angeschraubt, der eine Lampenfassung 5 trägt. Diese dient zur Aufnahme der Lichtquelle 6 der Deckeneinbauleuchte, die beispielsweise als Punktlichtquelle in Form einer Niederspannungs-Halogenglühlampe ausgebildet ist. Diese Lichtquelle 6 ist von einem topfförmig ausgebildeten Leuchtenreflektor 7 umgeben.A ceiling recessed luminaire shown in cross section in FIG. 1 and inserted into a ceiling 1 has a luminaire housing 2 with an outer flange 210 covering a ceiling opening 110 and an inwardly angled inner flange 220 arranged at a predetermined distance from the ceiling. On this inner flange 220, a U-shaped angled sheet metal angle 230 is fixed at its leg ends, which has an outwardly angled tongue 240 at its upper end near its base surface, on which connection terminals 3 for the line feed and optionally further electrical components are fixed. On the underside of the base surface of the sheet metal bracket 230, a mounting bracket 4, which is trapezoidal in cross section, is screwed, which carries a lamp holder 5. This serves to receive the light source 6 of the recessed ceiling light, which is designed, for example, as a point light source in the form of a low-voltage halogen incandescent lamp. This light source 6 is surrounded by a cup-shaped lamp reflector 7.

Zu ergänzen ist, daß die Deckeneinbauleuchte mit ihrem beschriebenen Gehäuse 2 in der Deckenöffnung 110 der Decke 1 mittels doppelt abgekröpfter Montagewinkel 8 im Zusammenwirken mit dem Außenflansch 210 des Leuchtengehäuses 2 festgelegt ist. Dieser Montagewinkel 8 ist an einer parallel zur Zentralachse der Deckeneinbauleuchte angeordneten, durch die Deckenöffnung 110 hindurch drehbaren Gewindestange 9 längsverschiebbar geführt und verspannt sich durch Drehen dieser Gewindestange 9 an der Oberseite der Decke 1, wodurch der Außenflansch 210 des Leuchtengehäuses 2 an die Unterseite der Decke 1 kraftschlüssig anliegend herangezogen wird.It should be added that the recessed ceiling luminaire with its housing 2 described is fixed in the ceiling opening 110 of the ceiling 1 by means of a double-angled mounting bracket 8 in cooperation with the outer flange 210 of the luminaire housing 2. This mounting bracket 8 is longitudinally displaceably guided on a threaded rod 9, which is arranged parallel to the central axis of the recessed ceiling light and can be rotated through the ceiling opening 110, and is braced by rotating this threaded rod 9 on the top of the ceiling 1, as a result of which the outer flange 210 of the lamp housing 2 is on the underside of the ceiling 1 is used in a force-fitting manner.

Wie in Figur 2 deutlich erkennbar ist, besitzt die beschriebene Deckeneinbauleuchte einen abnehmbaren Leuchteneinsatz 10. Dieser weist einen im Schnitt mehrfach abgekröpften Gehäusezylinder 101 mit einem daran am Außenrand festgelegten Abdeckring 102 sowie einem leuchtenseitigen Flansch 103 auf. An diesem Flansch 103 des Leuchteneinsatzes 10 ist randseitig und achsenparallel als Führungselement eine Führungsstange 11 mit einem Ende drehbeweglich gelagert. Das andere Ende dieser Führungsstange 11 ist in Aufnahmebohrungen eines doppelt abgewinkelten Lagerwinkels 12 beweglich festgelegt, der seinerseits auf der Oberseite des Innenflansches 220 des Leuchtengehäuses 2 festgelegt ist. An dem diesem Lagerwinkel 12 zugeordneten Ende der Führungsstange 11 ist ein Sicherungselement 13, beispielsweise ein Sprengring festgelegt. Dieses sichert die Führungsstange gegen ein Herausfallen aus dem Lagerwinkel 12 nach unten. Wie Figur 2 verdeutlicht, ist die Länge der Führungsstange 11 derart bemessen, daß der Leuchteneinsatz 10 im ausgerückten Zustand frei an der Decke hängt und deckenparallel, wie durch einen Pfeil angedeutet, abschwenkbar ist.As can be clearly seen in FIG. 2, the ceiling recessed luminaire described has a removable luminaire insert 10. This has a housing cylinder 101, which is cranked several times on average, with a cover ring 102 attached to it on the outer edge and a flange 103 on the luminaire side. On this flange 103 of the luminaire insert 10, a guide rod 11 with one end is rotatably mounted as a guide element on the edge and parallel to the axis. The other end of this guide rod 11 is movably fixed in receiving bores of a double-angled bearing bracket 12, which in turn is fixed on the upper side of the inner flange 220 of the lamp housing 2. At the end of the guide rod 11 associated with this bearing bracket 12, a securing element 13, for example a snap ring, is fixed. This secures the guide rod against falling out of the bearing bracket 12 downwards. As Figure 2 illustrates, the length of the guide rod 11 is dimensioned such that the lamp insert 10 freely in the disengaged state on the ceiling hangs and can be swiveled parallel to the ceiling, as indicated by an arrow.

In Figur 3 ist die beschriebene Deckeneinbauleuchte in einer Ansicht von oben dargestellt. Diese Ansicht verdeutlicht - neben den bereits beschriebenen Gehäuse- und Befestigungsbauteilen - bei einem Vergleich insbesondere mit der Darstellung in Figur 2, wie der Leuchteneinsatz 10 im eingerückten Zustand an dem Leuchtengehäuse 2 festgelegt ist. Neben der Führungsstange 11 sind dazu zwei Dorne 14 in bezug auf die Führungsstange 11 auf dem Umfang des Flansches 103 des Leuchteneinsatzes 10 symmetrisch verteilt angeordnet. Von diesen Dornen 14 ist in der Querschnittsdarstellung von Figur 2 lediglich einer sichtbar. Die Ansicht von Figur 3 verdeutlicht aber die Lage dieser Dorne 14 in bezug auf die Führungsstange 11. Wie die Führungsstange 11 so besitzen auch diese Dorne, die zum Zwecke eines einfaches Zentrierens an ihrem oberen Ende kegelförmig zulaufend ausgebildet sind, etwa in Höhe des Flansches 103 des Leuchteneinsatzes 10 je eine radial umlaufende Nut 114 bzw. 114'. Diese Nuten 114 und 114' der Führungsstange 11 bzw. der Dorne 14 bilden Rastflächen zur Arretierung des Leuchteneinsatzes 10 am Innenflansch 220 des Leuchtengehäuses 2.In Figure 3, the ceiling light described is shown in a view from above. This view clarifies - in addition to the housing and fastening components already described - in a comparison, in particular with the illustration in FIG. 2, how the lamp insert 10 is fixed to the lamp housing 2 in the engaged state. In addition to the guide rod 11, two mandrels 14 are arranged symmetrically with respect to the guide rod 11 on the circumference of the flange 103 of the lamp insert 10. Only one of these spikes 14 is visible in the cross-sectional illustration in FIG. However, the view of FIG. 3 illustrates the position of these mandrels 14 with respect to the guide rod 11. Like the guide rod 11, these mandrels also have a conical shape at their upper end for the purpose of simple centering, approximately at the level of the flange 103 of the lamp insert 10 each have a radially circumferential groove 114 or 114 '. These grooves 114 and 114 'of the guide rod 11 and the mandrels 14 form locking surfaces for locking the lamp insert 10 on the inner flange 220 of the lamp housing 2.

Wie in Figur 3 und insbesondere in einem in Figur 4 dargestellten Ausschnitt aus Figur 3 gezeigt ist, ist jeweils an der Oberseite des Innenflansches 220 des Leuchtengehäuses 2 als Rastmittel für die Dorne 14 und auch die Führungsstange 11 eine Drahtfeder 15 vorgesehen. Diese ist U-förmig gebogen und weist am abgebogenen Ende eine Befestigungsöse auf, mit der sie mittels einer Befestigungsschraube 16 an der Oberseite des Innenflansches 220 des Leuchtengehäuses festgelegt ist. Die Drahtfedern 15 überdecken mit ihren parallelen Schenkeln eine Aufnahmebohrung 17 für die Dorne 14 - analoges gilt für die Führungsstange 11 - und sind mit ihren freien, abgewinkelten Enden in einen Ausschnitt 18 im Innenflansch 220 des Leuchtengehäuses 2 eingespannt.As shown in FIG. 3 and in particular in a detail from FIG. 3 shown in FIG. 4, a wire spring 15 is provided on the upper side of the inner flange 220 of the lamp housing 2 as a latching means for the mandrels 14 and also the guide rod 11. This is bent in a U-shape and has a fastening eyelet at the bent end, with which it is fixed by means of a fastening screw 16 on the upper side of the inner flange 220 of the lamp housing is. The wire springs 15 cover with their parallel legs a receiving bore 17 for the mandrels 14 - the same applies to the guide rod 11 - and are clamped with their free, angled ends into a cutout 18 in the inner flange 220 of the lamp housing 2.

Neben der federnden Länge, der Materialcharakteristik und dem Durchmesser der Drahtfedern 15 ist auch die Ausgestaltung dieses Ausschnittes 18 für die auf die Dorne 14 wirkende Federkraft der Drahtfedern 15 von Bedeutung. Denn über die radiale Ausdehnung der Ausschnitte 18 hat man es in der Hand, die beiden Schenkel der Drahtfedern 15 entsprechend vorzuspannen. Wird nun der Leuchteneinsatz 10 unter die Deckenöffnung eingeschwenkt - wie in Figur 2 dargestellt - dann kann er in das Leuchtengehäuse 2 der Deckeneinbauleuchte einfach nach oben eingeschoben werden. Dabei läuft die Führungsstange 11 im Lagerwinkel 12 gleitend nach oben, bis die Dorne 14 und auch die Führungsstange 11 mit ihrer jeweiligen Nut 114 bzw. 114' an der jeweiligen Drahtfeder 15 einrasten und dort dann arretierend gehalten werden.In addition to the resilient length, the material characteristics and the diameter of the wire springs 15, the configuration of this cutout 18 is also important for the spring force of the wire springs 15 acting on the mandrels 14. Because of the radial expansion of the cutouts 18, it is in the hand to preload the two legs of the wire springs 15 accordingly. If the luminaire insert 10 is now pivoted in under the ceiling opening - as shown in FIG. 2 - then it can simply be pushed upwards into the luminaire housing 2 of the recessed ceiling luminaire. The guide rod 11 slides upwards in the bearing bracket 12 until the mandrels 14 and also the guide rod 11 engage with their respective groove 114 or 114 'on the respective wire spring 15 and are then held there in a locking manner.

Wird ein Lampenwechsel oder eine sonstige Wartung der Deckeneinbauleuchte erforderlich, so wird der Leuchteneinsatz 10 als Einheit nach unten aus der Deckeneinbauleuchte herausgezogen, in dem die Rastkräfte der Drahtfedern 15 überwunden werden. Wie in Figur 5 verdeutlichend dargestellt ist, wird der Leuchteneinsatz 10 in seiner ausgerückten Position von der Deckenöffnung 110 abgeschwenkt. Damit sind die Lichtquelle 6 und auch der Leuchtenreflektor 7 von unten her frei zugänglich. Ein einfacher Lampenwechsel bietet somit keine Schwierigkeiten. Anschließend wird der Leuchteneinsatz 10 wieder eingeschwenkt und in das Leuchtengehäuse 2 eingeschoben, wobei die Dorne 14 mit ihren kegelförmig angespitzten Enden sich selbst zentrierend in ihre Aufnahmebohrungen 17 einschieben und schließlich an den Drahtfedern 15 einrasten.If a lamp replacement or other maintenance of the recessed ceiling light is required, the light insert 10 is pulled out of the recessed ceiling light as a unit, in which the latching forces of the wire springs 15 are overcome. As shown clearly in FIG. 5, the lamp insert 10 is pivoted away from the ceiling opening 110 in its disengaged position. The light source 6 and also the lamp reflector 7 are thus freely accessible from below. A simple lamp change does not pose any difficulties. The lamp insert 10 is then swiveled in again and into the lamp housing 2 inserted, the mandrels 14 with their tapered ends insert themselves centering into their receiving bores 17 and finally snap into the wire springs 15.

Das vorstehend beschriebene Ausführungsbeispiel bezieht sich auf eine bevorzugte Ausführungsform. Wesentlich ist dabei die Möglichkeit, einen durch Rastmittel in dem Leuchtengehäuse gehaltenen Leuchteneinsatz nach unten abziehen, ohne daß er aus der Leuchte herausfällt und ihn dann für Wartungsarbeiten seitlich ausschwenken zu können. Dem Fachmann wird aufgrund des vorstehend beschriebenen Ausführungsbeispieles deutlich, daß beispielsweise die Art der Festlegung dieses ausrückbaren Leuchteneinsatzes 10 mit Hilfe von Führungsdornen und drahtförmig ausgebildeten Haltefedern keineswegs die einzige im Rahmen der Erfindung liegende Ausführungsform darstellt. Ihm stehen auch andere Rastmittel zur Verfügung. So wäre es beispielsweise denkbar, statt der mit drahtförmig ausgebildeten Haltefedern 15 zusammenwirkenden Dorne 14 auch am Flansch 103 des Leuchteneinsatzes 10 festgelegte, abgekröpfte Blattfedern zu verwenden, die beim Einrücken des Leuchteneinsatzes in entsprechende Ausschnitte im Innenflansch 220 des Leuchtengehäuses einrasten. Auch diese Lösungsmöglichkeit ist lediglich beispielhaft. So wäre es auch denkbar, an der Unterseite des Innenflansches 220 einzelne Federelemente vorzusehen, die den Flansch 103 des Leuchteneinsatzes im eingerückten Zustand von außen herumgreifen und federnd arretieren. Diese Beispiele belegen, daß die vorstehend beschriebene Ausführungsform lediglich ein bevorzugtes Erfindungsbeispiel darstellt.The exemplary embodiment described above relates to a preferred embodiment. What is essential here is the possibility of pulling down a lamp insert held by latching means in the lamp housing without it falling out of the lamp and then being able to swing it out laterally for maintenance work. It is clear to the person skilled in the art on the basis of the exemplary embodiment described above that, for example, the type of fixing of this disengageable lamp insert 10 with the aid of guide pins and wire-shaped retaining springs is by no means the only embodiment within the scope of the invention. Other locking devices are also available. It would be conceivable, for example, to use cranked leaf springs fixed to the flange 103 of the lamp insert 10 instead of the mandrels 14 which cooperate with wire-shaped holding springs 15 and which snap into corresponding cutouts in the inner flange 220 of the lamp housing when the lamp insert is inserted. This solution is also only an example. It would also be conceivable to provide individual spring elements on the underside of the inner flange 220, which grip around the flange 103 of the lamp insert from the outside in the engaged state and lock it in a springy manner. These examples demonstrate that the embodiment described above is only a preferred example of the invention.

Claims (7)

  1. Ceiling-recessed light fixture having a light source (6), which is arranged in a main reflector (7), and a light fixture insert unit (10) which is arranged underneath the light source and covers it, is detachably fastened to a light fixture housing (2) and contains technical lighting elements, a guide element (11) being provided on the light fixture housing (2) for the attachment of the light fixture insert unit (10), characterized in that this guide element is mounted on the light fixture housing in the direction of the main beam axis of the ceiling-recessed light fixture so as to be longitudinally displaceable as far as an extended limit position, and the light fixture insert unit is attached to its end which is remote from the housing in an asymmetrical and rotationally movable fashion, the length of this guide element being dimensioned with respect to the recessing depth of the light fixture insert unit in such a way that in the extended state the light fixture insert unit can be pivoted away from the ceiling opening, and that latching means (14, 114, 114', 15) are provided with which, in the retracted state, the light fixture insert unit is detachably fastened to the light fixture housing.
  2. Ceiling-recessed light fixture according to Claim 1, characterized in that the latching means (14, 114, 114', 15) comprise at least one elastically deformable element (15) which is fastened to the light fixture housing (2) and latches to the light fixture insert unit (10), or is fastened to the light fixture insert unit (10), with prestressing and latches to the light fixture housing (2) with sprung prestressing.
  3. Ceiling-recessed light fixture according to Claim 2, characterized in that an inner flange (103) which is arranged on the reflector side and in whose edge the guide element (11) is mounted in a rotationally movable fashion, but is arranged so as to be axially fixed, is provided on the light fixture insert unit (10).
  4. Ceiling-recessed light fixture according to one of the preceding claims, characterized by a bearing bracket (12) which is bent in a U shape, is secured to the light fixture housing (2) and in whose legs coaxial receiving holes are provided as guide surfaces for the guide element (11).
  5. Ceiling-recessed light fixture according to one of the preceding claims, characterized in that the light fixture housing (2) has a flange (220) and the latter has a through-hole (for example 17) for the guide element (11), in that a latching spring (15) is arranged on this housing flange (220) so as to cover the through-hole, and in that a groove-shaped neck (114) which runs radially all around is provided, into which neck (114) the latching spring engages in the retracted state of the light fixture insert unit (10).
  6. Ceiling-recessed light fixture according to Claim 5, characterized in that further guide elements (14) are provided as centring means and further latching means on the flange (103) of the light fixture insert unit (10), rotationally symmetrically with respect to the guide element (11), said further guide elements (14) engaging in a centring fashion in corresponding receiving holes (17) in the flange (220) of the light fixture housing (2).
  7. Ceiling-recessed light fixture according to Claim 6, characterized in that these further guide elements (14) are each assigned a further latching spring (15).
EP94105496A 1993-04-21 1994-04-08 Ceiling recessed light fixture Expired - Lifetime EP0621442B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4313052 1993-04-21
DE4313052 1993-04-21

Publications (2)

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EP0621442A1 EP0621442A1 (en) 1994-10-26
EP0621442B1 true EP0621442B1 (en) 1997-11-05

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AT (1) ATE160008T1 (en)
DE (1) DE59404501D1 (en)

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Publication number Priority date Publication date Assignee Title
FR2825137B1 (en) * 2001-05-22 2004-01-23 Newmat Sa ASSEMBLY FOR MOUNTING A SELF-SUPPORTING SPOT ON A TIGHT CEILING
DE202009016318U1 (en) * 2009-12-01 2011-04-14 Zumtobel Lighting Gmbh Luminaire with movable holding element for a light exit element
US8662714B1 (en) * 2011-06-13 2014-03-04 Jack V. Miller U-turn lens for a recessed light fixture
CN113324206B (en) * 2021-06-28 2022-09-02 中建五局安装工程有限公司 Lighting device

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Publication number Priority date Publication date Assignee Title
US2960361A (en) * 1957-03-11 1960-11-15 Thomas Industries Inc Spring fastener and supplemental support
DE8817065U1 (en) * 1987-08-13 1992-06-04 Wila Leuchten Gmbh, 5860 Iserlohn, De
DE4005355A1 (en) * 1990-02-16 1991-09-26 Sill Franz Gmbh LIGHT, IN PARTICULAR DISPLAY SPOTLIGHTS

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EP0621442A1 (en) 1994-10-26
ATE160008T1 (en) 1997-11-15

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