EP0303561B1 - Light fixture - Google Patents

Light fixture Download PDF

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Publication number
EP0303561B1
EP0303561B1 EP88730177A EP88730177A EP0303561B1 EP 0303561 B1 EP0303561 B1 EP 0303561B1 EP 88730177 A EP88730177 A EP 88730177A EP 88730177 A EP88730177 A EP 88730177A EP 0303561 B1 EP0303561 B1 EP 0303561B1
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EP
European Patent Office
Prior art keywords
connecting profile
holding heads
light fitting
ring web
profile
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
EP88730177A
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German (de)
French (fr)
Other versions
EP0303561A3 (en
EP0303561A2 (en
Inventor
August Inh. Klaus Gärtner Gärtner
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GAERTNER, AUGUST INH. KLAUS GAERTNER
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Individual
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Publication of EP0303561A2 publication Critical patent/EP0303561A2/en
Publication of EP0303561A3 publication Critical patent/EP0303561A3/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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0075—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources
    • F21V19/008—Fastening of light sources or lamp holders of tubular light sources, e.g. ring-shaped fluorescent light sources of straight tubular light sources, e.g. straight fluorescent tubes, soffit lamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/12—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures of slot type
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • 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
    • F21V17/06—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the lampholder

Definitions

  • Such a lamp is known from EP-A-0 169 165.
  • the solution according to the invention enables the light failure of the lamp to be adjusted in a desired direction by the axial rotatability of the connecting profile, while at the same time and under all circumstances it is ensured that the live parts in the holding heads or at the outer ends of the lamp tube are protected against contact.
  • the arrangement of a connecting profile between the holding heads ensures great stability of the lamp when assembled, while the type of connection of the connecting profile with the holding heads ensures easy assembly and disassembly of the individual parts of the lamp.
  • the connecting profile is designed as an extruded profile, the parts of the ring web remaining there continuing after a recess for reaching behind it and also webs running in the longitudinal direction over the length of the connecting profile, since then a particularly simple manufacture is possible.
  • the connecting profile 3 or the holding heads 2 By rotating the connecting profile 3 or the holding heads 2 by 90 ° with respect to the position shown in FIG. 4, the ring webs 24, 25 are brought out of engagement with the annular groove 32 of the connecting profile 3, and the connecting profile can be perpendicular to the longitudinal and connecting axis of the Retaining heads 2a, 2b can be removed from these, since in this position the flattened surfaces of the retaining heads 2 are between the chamfers 31 of the profile body 30 of the connecting profile 3 and thus permit removal.
  • FIG. 8 The embodiment shown in perspective in FIG. 8 is a luminaire design, which corresponds in principle to the representation according to FIG. 1.
  • the elements that are not described in greater detail correspond to the elements of the exemplary embodiment described above, which are provided with a reference symbol reduced by 100.
  • the arrangement of these recesses which interrupt the ring web corresponds to the arrangement of parts 127, 128, 129, 129a of a ring web which are provided on the ends of the connecting profile 103 which receive the holding heads 102a, 102b.
  • the arrangement of the remaining areas of the ring web 124, 125, 124a, 125a, 126a on the holding heads 102, 102a also corresponds to the arrangement of recesses interrupting the ring web 127 to 129, 129a at the ends of the connecting profile 103, so that in the assembled state the light engages behind the parts of the ring web of the holding heads those of the connecting profile.
  • the arrangement of the parts of the ring web and the recesses is equidistant in the circumferential direction.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Lasers (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Finger-Pressure Massage (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

Light fixture having an optically transparent luminaire tube in which a plurality of series-connected glass bulb lamps are arranged, and whose ends have in the capacity of supply terminals receptacles with an internal, central, electrically conductive plug-in contact, it being the case that in the assembled state of the light fixture the plug-in contacts contact receptacles which are arranged in a retaining head and are connected to an electrical lead, and having a connecting section, which forms a circular segment in cross-section and in the assembled state of the light fixture is arranged rotatably about the luminaire tube, it being the case that the retaining heads (2a, 2b) can be plugged into the ends of the connecting section (3) and can be connected in a positive fashion to the connecting section (3) by rotating the connecting section (3) and/or the retaining heads (2a, 2b). <IMAGE>

Description

Die Erfindung betrifft eine Leuchte der im Oberbegriff des Anspruchs 1 angegebenen Art.The invention relates to a lamp of the type specified in the preamble of claim 1.

Eine derartige Leuchte ist aus der EP-A-0 169 165 bekannt.Such a lamp is known from EP-A-0 169 165.

Sie weist ein lichtdurchlässiges Leuchtenrohr auf, in dem mehrere Glaskolbenlämpchen in Reihe geschaltet und in separaten Kammern einer Kunststoffleiste angeordnet sind. An den Enden des lichtdurchlässigen Leuchtenrohres sind Steckhülsen vorgesehen, die als Stromanschlüsse dienen und einen innerhalb einer Kunststoffhülse zentral angeordneten elektrisch leitenden Steckkontakt enthalten, der von der Kunststoffhülse überragt wird. Im montierten Zustand der Leuchte stellen die Steckkontakte einen elektrischen Kontakt mit Steckbuchsen her, die jeweils einem Haltekopf zugeordnet und mit einer elektrischen Zuleitung verbunden sind. Aus Gründen der Berührungssicherheit sind die Steckbuchsen in den Halteköpfen versenkt angeordnet.It has a translucent lamp tube in which several glass bulb lamps are connected in series and arranged in separate chambers of a plastic strip. At the ends of the translucent luminaire tube, plug sleeves are provided which serve as power connections and contain an electrically conductive plug contact arranged centrally within a plastic sleeve, which is surmounted by the plastic sleeve. In the assembled state of the lamp, the plug contacts make electrical contact with sockets, each of which is assigned to a holding head and is connected to an electrical feed line. For reasons of safety when touching, the sockets are recessed in the holding heads.

Die Halteköpfe sind mit Rohrarmen verbunden, über die die Leuchte mit Halteschellen an einer Wand oder in beliebiger anderer Weise befestigbar ist.The holding heads are connected with tubular arms, by means of which the lamp can be fastened to a wall or in any other manner using holding clips.

Die Halterung der Leuchte wird durch die beiden Halteköpfe und ein die Halteköpfe miteinander verbindendes, das Leuchtenrohr umgebendes Verbindungsprofil gebildet, das als Strangprofil aus Aluminium oder metallisierten. Kunststoff ausgebildet ist und im Querschnitt ein Kreisringsegment bildet. An den Endbereichen und im mittleren Bereich weist das Verbindungsprofil Stege auf, die Aussparungen zur klemmenden Aufnahme von Schrauben oder Stiften umgeben. Das Verbindungsprofil der bekannten Leuchte ist jedoch aufgrund der festen Verbindung mit den Halteköpfen nicht drehbar, so daß das aus der Kreissegmentöffnung des Verbindungsprofils austretende, von den Glaskolbenlämpchen abgegebene Licht nur in einer vorgegebenen Richtung von der Leuchte abstrahlt.The holder of the lamp is formed by the two holding heads and a connecting profile which connects the holding heads to one another and surrounds the lamp tube and which is made of aluminum or metallized as an extruded profile. Plastic is formed and forms a circular ring segment in cross section. At the end areas and in the middle area, the connecting profile has webs which surround recesses for the clamping reception of screws or pins. However, the connection profile of the known lamp is not rotatable due to the fixed connection to the holding heads, so that the light emerging from the circular segment opening of the connection profile and emitted by the glass bulb lamps only radiates from the lamp in a predetermined direction.

Aus der EP-A-0 043 072 ist eine Leuchte mit mehreren als Lichtquellen in Reihe hintereinander in einem Leuchtenrohr angeordneten Soffitenlampen bekannt, bei der das Leuchtenrohr in Haltekörper eingesteckt ist, die an den Enden von elastisch biegbaren Befestigungsarmen angeordnet sind. Und zwar ist bei dieser bekannten Leuchte keine Berührungssicherheit gegen blanke elektrische Zuleitungen in den Halteköpfen für den Fall gewährleistet, daß das Leuchtenrohr durch Auseinanderbiegen der Rohrarme ausgebaut wird.From EP-A-0 043 072 a luminaire with a plurality of tubular lamps arranged as light sources in series in a luminaire tube is known, in which the luminaire tube is inserted into holding bodies which are arranged at the ends of elastically bendable fastening arms. In fact, in this known luminaire there is no protection against accidental contact against bare electrical leads in the holding heads in the event that the luminaire tube is removed by bending the tubular arms apart.

Aus US-A-2 046 184 ist eine Leuchte mit einem herkömmlichen Lampenschirm, der einseitig in einer auch die Fassung des Leuchtmittels (der "Glühbirne") aufnehmenden Halterung sicher, aber zum Auswechseln des Leuchtmittels wiederholt entfernbar zu verankern ist, bekannt.From US-A-2 046 184 a luminaire with a conventional lampshade is known, which is securely anchored on one side in a holder which also holds the socket of the illuminant (the "light bulb"), but can be repeatedly removed to replace the illuminant.

Die Verankerung des Schirms an der Halterung erfolgt durch eine Art Bajonettverschluß mit einer zusätzlichen, durch eine federgelagerte Kugel an der Halterung und eine entsprechende Ausnehmung am Befestigungsmittel des Lampenschirms gebildeten Rastvorrichtung.The shade is anchored to the holder by a type of bayonet lock with an additional locking device formed by a spring-mounted ball on the holder and a corresponding recess on the fastening means of the lampshade.

Diese Lösung ermöglicht es weder, eine geeignete Verbindung zwischen Halterung und Lampenschirm zur freien Einstellung der Abstrahlrichtung zu realisieren, noch ein gleichzeitiges, leichtes und sicheres Verbinden des Lampenschirms mit zwei Halteköpfen vorzunehmen.This solution does not make it possible to implement a suitable connection between the holder and the lampshade for free adjustment of the radiation direction, nor to simultaneously, easily and securely connect the lampshade to two holding heads.

Aus US-A-2 308 986 ist eine stabförmige Nachttischleuchte mit einem eine Leuchtstoffröhre in einem bestimmten Winkelbereich koaxial umgebenden, um die Längsachse der Leuchtstoffröhre drehbaren Reflektor bekannt, bei der der Schwenkbereich des Reflektors begrenzt und der Reflektor nur unter Demontage der Leuchte entfernbar ist, bei der aber vor allem zur Verbindung der seitlichen Halterungen und Fassungen der Leuchtstoffröhre ein zusätzliches Profilteil nötig ist.From US-A-2 308 986 is a rod-shaped bedside lamp with a fluorescent tube in a certain angular range known coaxially surrounding, rotatable about the longitudinal axis of the fluorescent tube, in which the pivoting range of the reflector is limited and the reflector can only be removed by disassembling the lamp, but in which an additional profile part is necessary above all to connect the lateral holders and sockets of the fluorescent tube.

Der Erfindung liegt die Aufgabe zugrunde, eine Leuchte der eingangs genannten Art zu schaffen, die ein axiales Verdrehen des Verbindungsprofils zum Einstellen des Lichtausfalls der Leuchte gewährleistet, im zusammengebauten Zustand eine, ihr allein durch das eine Verbindungsprofil verliehene, große Stabilität aufweist, bei der die spannungsführenden Teile vor Berührung geschützt sind und die leicht montier- bzw. demontierbar ist.The invention has for its object to provide a lamp of the type mentioned, which ensures an axial rotation of the connection profile for adjusting the light failure of the lamp, in the assembled state, which is given solely by the one connection profile, great stability in which the live parts are protected against contact and are easy to assemble or disassemble.

Diese Aufgabe wird durch das kennzeichnende Merkmal des Anspruchs 1 gelöst.This object is achieved by the characterizing feature of claim 1.

Die erfindungsgemäße Lösung ermöglicht durch die axiale Verdrehbarkeit des Verbindungsprofils ein Einstellen des Lichtausfalls der Leuchte in eine gewünschte Richtung, wobei gleichzeitig und unter allen Umständen sichergestellt ist, daß die spannungsführenden Teile in den Halteköpfen bzw. an den äußeren Enden des Leuchtenrohrs vor Berührung geschützt sind. Durch die Anordnung eines Verbindungsprofils zwischen den Halteköpfen ist eine große Stabilität der Leuchte im zusammengebauten Zustand sichergestellt, während die Art der Verbindung des Verbindungsprofils mit den Halteköpfen ein leichtes Zusammen- bzw. Auseinanderbauen der Einzelteile der Leuchte gewährleistet.The solution according to the invention enables the light failure of the lamp to be adjusted in a desired direction by the axial rotatability of the connecting profile, while at the same time and under all circumstances it is ensured that the live parts in the holding heads or at the outer ends of the lamp tube are protected against contact. The arrangement of a connecting profile between the holding heads ensures great stability of the lamp when assembled, while the type of connection of the connecting profile with the holding heads ensures easy assembly and disassembly of the individual parts of the lamp.

Die Erfindung beruht dabei auf der Erkenntnis, daß durch die Verdrehung von Verbindungsprofil und Halteköpfen relativ zueinander eine Befestigung erzielbar ist, bei der in vorgebenen relativen Positionen der gegenseitigen Rotation Halteelemente entsprechende Elemente am anderen Teil hintergreifen und in axialer Richtung gegen Zugkräfte arretiert halten.The invention is based on the finding that by rotating the connecting profile and holding heads relative to each other, a fastening can be achieved, in which holding elements reach behind corresponding elements on the other part in the predetermined relative positions of the mutual rotation and hold them locked in the axial direction against tensile forces.

Eine vorteilhafte Ausgestaltung der erfindungsgemäßen Lösung ist dadurch gekennzeichnet, das die Verbindung der Halteköpfe mit den Enden des Verbindungsprofils nach Art eines Bajonettverschlusses erfolgt, wobei besonders vorteilhaft der in das Verbindungsprofil einsteckbare Teil der Halteköpfe eine zylindrische Oberfläche mit zwei gegenüberliegenden Abflachungen und zwei die Abflachungen verbindenden Ringstegen aufweist, die im zusammengebauten Zustand der Leuchte in korrespondierenden Ringnuten eingreifen, die in der Innenseite nahe der Enden des Verbindungsprofils angeordnet sind. Diese Form der Verbindung zwischen Verbindungsprofil und Halteköpfen ist sehr stabil, da sie einerseits formschlüssig ausgeführt ist und andererseits der in das Verbindungsprofil einsteckbare Teil der Halteköpfe auf einer größeren Länge an der Innenfläche des Verbindungsprofils anliegt. Gleichzeitig wird eine eine geschlossene und eine schlanke Ausführung der Leuchte gestattende Verbindung zwischen Halteköpfen und Verbindungsprofil ermöglicht. Trotz Verdrehbarkeit des Verbindungsprofils sind die spannungsführenden Teile des Haltekopfes und der Enden des Leuchtenrohres versenkt und damit berührungssicher angeordnet. Bei dieser Ausführung einer "Bajontett"-Kupplung wird das Verbindungsprofil zunächst in Querrichtung eingeschoben, bevor es durch eine zusätzliche Drehung in eine Position gelangt, in der durch gegenseitiges "Hintergreifen" die Sicherung in axialer Richtung bewirkt wird.An advantageous embodiment of the solution according to the invention is characterized in that the connection of the holding heads to the ends of the connecting profile takes place in the manner of a bayonet lock, the part of the holding heads which can be inserted into the connecting profile being particularly advantageous having a cylindrical surface with two opposing flats and two ring webs connecting the flats has which engage in the assembled state of the lamp in corresponding ring grooves, which are arranged on the inside near the ends of the connecting profile. This form of connection between the connecting profile and holding heads is very stable, since on the one hand it is designed to be form-fitting and on the other hand the part of the holding heads that can be inserted into the connecting profile rests on the inner surface of the connecting profile over a greater length. At the same time, a closed and a slim design of the luminaire is made possible between the holding heads and the connecting profile. Despite the rotatability of the connection profile the live parts of the holding head and the ends of the lamp tube are sunk and arranged so that they are safe to touch. In this version of a "bayonet" coupling, the connecting profile is first inserted in the transverse direction before it is brought into a position by an additional rotation in which the mutual engagement "behind" the securing in the axial direction is effected.

Weitere, vorteilhafte Ausgestaltungen der erfindungsgemäßen Lösung sind den Merkmalen der Ansprüche 4 und 5 zu entnehmen.Further advantageous refinements of the solution according to the invention can be found in the features of claims 4 and 5.

Eine andere vorteilhafte Ausführungsvariante ist in Anspruch 6 angegeben. Hier werden die Halteköpfe bei der Montage nicht in seitlicher Richtung von der Öffnungsseite in das Verbindungsrohr, sondern von dessen Stirnseiten her eingesetzt.Another advantageous embodiment variant is specified in claim 6. Here, the mounting heads are not inserted in the lateral direction from the opening side into the connecting tube during assembly, but from the front sides thereof.

Besonders günstig ist dabei, wenn das Verbindungsprofil als Strangprofil ausgebildet ist, wobei sich die dort verbleibenden Teile des Ringstegs nach einer Aussparung zu dessen Hintergreifen als auch in Längsrichtung verlaufende Stege über die Länge des Verbindungsprofils fortsetzen, da dann eine besonders einfache Herstellbarkeit gegeben ist.It is particularly favorable if the connecting profile is designed as an extruded profile, the parts of the ring web remaining there continuing after a recess for reaching behind it and also webs running in the longitudinal direction over the length of the connecting profile, since then a particularly simple manufacture is possible.

Die erfindungsgemäße Leuchte eignet sicht bevorzugt für die Herstellung kleiner, zierlicher Bildleuchten, Notpultleuchten, Klavierleuchten, Stufenbeleuchtung, Vitrinenbeleuchtung, Regalleuchten, Schrankleuchten, Nischenleuchten sowie kleinerer Leuchtbänder.The luminaire according to the invention is preferably suitable for the production of small, delicate picture lights, emergency desk lights, piano lights, step lighting, display case lighting, shelf lights, cabinet lights, niche lights and smaller light strips.

Anhand eines in der Zeichnung dargestellten Ausführungsbeispieles soll der der Erfindung zugrundeliegende Gedanke näher erläutert werden. Es zeigen:

  • Figur 1 eine Seitenansicht der erfindungsgemäßen Leuchte mit einem Leuchtenrohr und einer aus zwei Halteköpfen und einem Verbindungsprofil zusammengesetzten Halterung;
  • Figur 2 einen Schnitt durch ein Ende des Leuchtenrohres gemäß Figur 1;
  • Figur 3 einen Schnitt durch einen Haltekopf mit einem teilweise geschnittenen Ende des Verbindungsprofils;
  • Figur 4 einen Querschnitt durch die Darstellung gemäß Figur 3 entlang der Linie A-A;
  • Figur 5 eine teilweise geschnittene Darstellung des Haltekopfgehäuses;
  • Figur 6 einen Schnitt durch das Haltekopf-Gehäuse gemäß Figur 5;
  • Figur 7 eine teilweise geschnittene Darstellung der Enden des Verbindungsprofils sowie
  • Figur 8 eine weitere Ausführungsform der Erfindung in perspektivischer Darstellung.
The idea on which the invention is based will be explained in more detail with reference to an exemplary embodiment shown in the drawing. Show it:
  • Figure 1 is a side view of the lamp according to the invention with a lamp tube and a holder composed of two holding heads and a connecting profile;
  • FIG. 2 shows a section through one end of the lamp tube according to FIG. 1;
  • Figure 3 shows a section through a holding head with a partially cut end of the connecting profile;
  • FIG. 4 shows a cross section through the illustration according to FIG. 3 along the line AA;
  • Figure 5 is a partially sectioned view of the holding head housing;
  • FIG. 6 shows a section through the holding head housing according to FIG. 5;
  • Figure 7 is a partially sectioned view of the ends of the connecting profile and
  • Figure 8 shows another embodiment of the invention in perspective.

Die in Figur 1 dargestellte Leuchte weist ein Leuchtenrohr 1 auf, in dem mehrere Glaskolbenlämpchen 8 in einem Glasrohr in Reihe geschaltet angeordnet sind. Die konstruktive Ausgestaltung des Leuchtenrohres entspricht vorzugsweise der des in der EP-0 169 165-A1 dargestellten und beschriebenen Leuchtenrohres. Die Enden des Leuchtenrohres 1 sind in Halteköpfe 2a, 2b eingesteckt, die über ein Verbindungsprofil 3 miteinander verbunden sind. In die Halteköpfe 2a, 2b sind Rohrarme 4a, 4b gesteckt, die in beliebiger Weise ausgebildet sein können und über Schellen oder dergleichen an einer Wand oder einem Gegenstand befestigbar sind. Durch die Rohrarme sind Kabel zu den Halteköpfen gezogen und mit den Steckkontakten in den Halteköpfen leitend verbunden.The lamp shown in Figure 1 has a lamp tube 1, in which several glass bulb lamps 8 in one Glass tube are arranged in series. The structural design of the lamp tube preferably corresponds to that of the lamp tube shown and described in EP-0 169 165-A1. The ends of the lamp tube 1 are inserted into holding heads 2a, 2b, which are connected to one another via a connecting profile 3. Tubular arms 4a, 4b are inserted into the holding heads 2a, 2b, which can be designed in any manner and can be fastened to a wall or an object by means of clamps or the like. Cables are pulled through the tubular arms to the holding heads and conductively connected to the plug contacts in the holding heads.

Das um das Leuchtenrohr 1 angeordnete, im Querschnitt kreissegmentförmige Verbindungsprofil 3 ist axial drehbar mit den Halteköpfen 2a, 2b verbunden und ermöglicht somit ein Verstellen des Lichtausfalls durch den freien Kreissegmentausschnitt.The connection profile 3, which is arranged around the lamp tube 1 and has a circular segment cross-section, is axially rotatably connected to the holding heads 2a, 2b and thus enables the light loss to be adjusted by the free circular segment cutout.

Da das Leuchtrohr leicht auswechselbar sein muß, befinden sich an beiden Enden zentrale, isolierte Steckverbinder 11a, 11b, die auch gleichzeitig zur Halterung des Leuchtenrohrs in einer Fassung dienen. Die Einzelheiten einer der beiden Steckverbinder sind in Figur 2 dargestellt.Since the light tube must be easy to replace, there are central, insulated plug connectors 11a, 11b at both ends, which also serve to hold the light tube in a socket at the same time. The details of one of the two connectors are shown in Figure 2.

Jeder Steckverbinder enthält eine in das Ende des Leuchtenrohres 1 eingeschobene Kunststoffhülse 15 mit zentralem, elektrisch leitendem Steckkontakt 16. Die Hülse bildet ein Kunststoffdrehteil, in das der zentrale Steckkontakt 16 eingeschoben ist. Die vorstehende Kunststoffhülse bildet gleichzeitig einen Berührungsschutz, während als Schutz des Leuchtenrohres 1 beidseitig eine Schutzhülse 17, vorzugsweise aus Aluminium, aufgeschoben wird.Each plug connector contains a plastic sleeve 15 inserted into the end of the lamp tube 1 with a central, electrically conductive plug contact 16. The sleeve forms a plastic turned part into which the central plug contact 16 is inserted. The above plastic sleeve also forms a protection against contact, while as Protection of the lamp tube 1, a protective sleeve 17, preferably made of aluminum, is pushed on both sides.

Das Ende des die verschiedenen in Serie geschalteten Glaskolbenlämpchen 8 versorgenden Drahtes 9 ist an dem Steckerteil 16 mittels einer Klemmschraube 12 befestigt, welche in eine entsprechende Aussparung 13 der Kunststoffhülse 15 eingreift und die Anordnung gegen Verschieben sichert. Zusätzlich ist die Kunststoffhülse 15 mit einem O- oder Sprengring 19 versehen, der beim Einsetzen in die Halterung eine Sicherung gegen unbeabsichtigtes Herausgleiten bildet. Um sicherzustellen, daß die Anordnung frei von in Längsrichtung wirkenden, die Glaslämpchen 8 aus dem Leuchtenrohr hinausbewegenden Kräften ist, ist ein Kunststoffprofil 10 in das Leuchtenrohr eingeschoben und stützt sich im Innern des Leuchtenrohrs 1 stabil ab. Durch das Kunststoffprofil 10 wird die Anordnung der Glaskolbenlämpchen 8 gleichzeitig stabilisiert und gegen Stöße geschützt.The end of the wire 9 which supplies the various glass bulb lamps 8 connected in series is fastened to the plug part 16 by means of a clamping screw 12 which engages in a corresponding recess 13 in the plastic sleeve 15 and secures the arrangement against displacement. In addition, the plastic sleeve 15 is provided with an O- or snap ring 19, which forms a safeguard against unintentional sliding out when inserted into the holder. In order to ensure that the arrangement is free of forces acting in the longitudinal direction, the glass lamps 8 moving out of the lamp tube, a plastic profile 10 is inserted into the lamp tube and is supported in a stable manner inside the lamp tube 1. The arrangement of the glass bulb lamps 8 is simultaneously stabilized and protected against impacts by the plastic profile 10.

Figur 3 zeigt einen vergrößerten Querschnitt durch einen der beiden Halteköpfe 2a bzw. 2b mit der darin befindlichen Fassungsbuchse sowie ein Ende des Verbindungsprofils 3. Vergrößerte Einzelheiten des in Figur 3 dargestellten Haltekopfes sind den Figuren 5 und 6 zu entnehmen.Figure 3 shows an enlarged cross section through one of the two holding heads 2a and 2b with the socket therein and one end of the connecting profile 3. Enlarged details of the holding head shown in Figure 3 can be seen in Figures 5 and 6.

Der Haltekopf besteht aus einem zylindrischen Endstück 20, an das sich ein in das Verbindungsprofil 3 einsteckbarer Teil 24 anschließt. Sowohl das zylindrische Endstück 20 als auch das in das Verbindungsprofil 3 einsteckbare Teil besteht vorzugsweise aus Aluminium oder einem metallisierten Kunststoff und weist im Bereich des zylindrischen Endstückes 20 eine radiale Bohrung 26 auf, in die ein Rohrarm 4 gesteckt ist. Eine axiale Bohrung 27 dient zur Aufnahme einer Isoliertülle 50, in der eine Buchsenhalterung 51 aus Kunststoff angeordnet ist. Die Buchsenhalterung 51 dient zur Aufnahme eines Muffenstiftes 51, die den in Figur 2 dargestellten Steckerstift 16 des Leuchtenrohrs 1 kontaktiert und die mittels einer Schraube 53 an ein durch den Rohrarm 4 gezogenes Führungskabel 6 angeschlossen ist.The holding head consists of a cylindrical end piece 20, which is followed by a part 24 which can be inserted into the connecting profile 3. Both the cylindrical end piece 20 and the part which can be inserted into the connecting profile 3 consists preferably of aluminum or a metallized plastic and has a radial bore 26 in the region of the cylindrical end piece 20, into which a tubular arm 4 is inserted. An axial bore 27 serves to receive an insulating sleeve 50, in which a socket holder 51 made of plastic is arranged. The socket holder 51 serves to receive a socket pin 51 which contacts the plug pin 16 of the lamp tube 1 shown in FIG. 2 and which is connected by means of a screw 53 to a guide cable 6 drawn through the tubular arm 4.

Wie insbesondere der Darstellung gemäß Figur 4 zu entnehmen ist, die einen Querschnitt durch die Darstellung gemäß Figur 3 entlang der Linie A-A zeigt, weist das in das Verbindungsprofil 3 einsteckbare Teil 21 des Haltekopfes 2 zwei gegenüberliegende Abflachungen 22, 23 auf, die über zwei Ringstege 24, 25 miteinander verbunden sind. Die Länge und Anordnung der Ringstege auf der Außenfläche des in daß Verbindungsprofil 3 einsteckbaren Teils 21 ist auf eine in dem Verbindungsprofil 3 vorgesehene Ringnut 32 so abgestimmt, daß im zusammengebauten Zustand eine feste Verbindung zwischen dem Verbindungsprofil 3 und dem jeweiligen Haltekopf gewährleistet ist, wobei das stirnseitige Ende des Verbindungsprofils 3 fest an der durch das zylindrische Endstück 20 des Haltekopfes 2 gebildeten Schulter anliegt.As can be seen in particular from the illustration according to FIG. 4, which shows a cross section through the illustration according to FIG. 3 along the line AA, the part 21 of the holding head 2 which can be inserted into the connection profile 3 has two opposite flats 22, 23 which are connected by two ring webs 24, 25 are interconnected. The length and arrangement of the ring webs on the outer surface of the part 21 which can be inserted into the connecting profile 3 is matched to an annular groove 32 provided in the connecting profile 3 so that in the assembled state a firm connection between the connecting profile 3 and the respective holding head is ensured, the the front end of the connecting profile 3 bears firmly against the shoulder formed by the cylindrical end piece 20 of the holding head 2.

Figur 7 zeigt eine teilweise geschnittene Seitenansicht des Verbindungsprofils 3 und verdeutlicht die Zuordnung der Verbindungsteile zwischen dem Verbindungsprofil 3 und den Halteköpfen 2a, 2b. Das Verbindungsprofil 3 bildet im Querschnitt ein Kreissegment räumlich gesehen also ein Hohlzylindersegment, das über einen Winkelbereich von etwa 270° geschlossen ist, wobei der Außendurchmesser des Profilkörpers 30 vorzugsweise gleich dem Außendurchmesser des zylindrischen Endstücks 20 des Haltekörpers 2 ist, so daß ein nahtloser Übergang zum zylindrischen Endstück 20 des Haltekörpers 2 auf das Verbindungsprofil 3 gewährleistet ist. Die Längskanten des Hohlzylindersegments sind jeweils derart mit einer Anfasung 31 versehen, daß diese beim Einstecken der Halteköpfe an den Abflachungen 22, 23 der Halteköpfe 2 anliegen. Dabei ist der Abstand a der Abflachungen 22, 23 der Halteköpfe 2 gemäß Figur 4 vorzugsweise gleich oder geringfügig kleiner als der Abstand b der nahezu parallelen Anfasungen 31 des Verbindungsprofils 3.Figure 7 shows a partially sectioned side view of the connecting profile 3 and illustrates the assignment of the connecting parts between the connecting profile 3 and the holding heads 2a, 2b. The connection profile 3 forms in Cross-section a circular segment spatially seen a hollow cylinder segment, which is closed over an angular range of about 270 °, the outer diameter of the profile body 30 is preferably equal to the outer diameter of the cylindrical end piece 20 of the holding body 2, so that a seamless transition to the cylindrical end piece 20 of the holding body 2 on the connection profile 3 is guaranteed. The longitudinal edges of the hollow cylinder segment are each provided with a chamfer 31 such that they rest on the flats 22, 23 of the holding heads 2 when the holding heads are inserted. The distance a between the flats 22, 23 of the holding heads 2 according to FIG. 4 is preferably the same or slightly smaller than the distance b between the almost parallel chamfers 31 of the connecting profile 3.

Der Innendurchmesser C der Ringnut 32 ist vorzugsweise gleich dem Außendurchmesser der Ringstege 24, 25 an dem in das Verbindungsprofil 3 einsteckbaren Teil 21 der Halteköpfe 2a, 2b.The inner diameter C of the annular groove 32 is preferably equal to the outer diameter of the annular webs 24, 25 on the part 21 of the holding heads 2a, 2b which can be inserted into the connecting profile 3.

Anhand der Darstellungen gemäß den Figuren 3 und 4 soll die Montage bzw. Demontage der Einzelteile der erfindungsgemäßen Leuchte näher erläutert werden.The assembly or disassembly of the individual parts of the lamp according to the invention will be explained in more detail with the aid of the representations according to FIGS. 3 and 4.

Durch Verdrehen des Verbindungsprofils 3 oder der Halte-Köpfe 2 um 90° gegenüber der in Fig.4 gezeigten Stellung werden die Ringstege 24, 25 außer Eingriff mit der Ringnut 32 des Verbindungsprofils 3 gebracht, und das Verbindungsprofil kann senkrecht zur Längs- und Verbindungsachse der Halteköpfe 2a, 2b von diesen abgezogen werden, da in dieser Stellung die abgeflachten Flächen der Halteköpfe 2 zwischen den Anfasungen 31 des Profilkörpers 30 des Verbindungsprofils 3 stehen und somit ein Abziehen gestatten.By rotating the connecting profile 3 or the holding heads 2 by 90 ° with respect to the position shown in FIG. 4, the ring webs 24, 25 are brought out of engagement with the annular groove 32 of the connecting profile 3, and the connecting profile can be perpendicular to the longitudinal and connecting axis of the Retaining heads 2a, 2b can be removed from these, since in this position the flattened surfaces of the retaining heads 2 are between the chamfers 31 of the profile body 30 of the connecting profile 3 and thus permit removal.

Der Zusammenbau erfolgt im umgekehrter Reihenfolge. Durch Drehen des Verbindungsprofils 3 oder des bzw. der Halteköpfe 2 um 90° greifen die Ringstege 24, 25 in die Ringnut 32 des Verbindungsprofils 3 ein und stellen eine formschlüssige Verbindung zwischen Verbindungsprofil 3 und Haltekopf 2 her, die gegen ein axiales Auseinanderziehen gesichert ist. Gleichwohl kann das Verbindungsprofil 3 um die in das Verbindungsprofil 3 eingesteckten Teile 21 der Halteköpfe 2 gedreht werden, so daß die Lichtausfallrichtung variiert werden kann.The assembly takes place in the reverse order. By rotating the connecting profile 3 or the or the holding heads 2 by 90 °, the annular webs 24, 25 engage in the annular groove 32 of the connecting profile 3 and establish a positive connection between the connecting profile 3 and the holding head 2, which is secured against axial pulling apart. Nevertheless, the connection profile 3 can be rotated around the parts 21 of the holding heads 2 inserted into the connection profile 3, so that the direction of light failure can be varied.

Die Länge der erfindungsgemäßen Leuchte sowie die Anzahl der in dem Leuchtenrohr angeordneten, in Reihe geschalteten Glaskolbenlämpchen ist nahezu beliebig, wobei selbst bei sehr langen Leuchten durch die feste Verbindung des Verbindungsprofils 3 mit den Halteköpfen 2 eine Außenstabilität der Leuchte bei gleichzeitiger Verstellbarkeit des Lichtausfalls gewährleistet ist.The length of the luminaire according to the invention and the number of glass bulb lamps arranged in series in the luminaire tube is virtually arbitrary, even with very long luminaires the external connection of the luminaire is ensured by the fixed connection of the connection profile 3 with the holding heads 2, while the light failure can be adjusted at the same time .

Bei dem in Figur 8 perspektivisch dargestellten Ausführungsbeispiel handelt es sich um eine Leuchtenausführung, die prinzipiell der Darstellung gemäß Figur 1 entspricht. Die nicht näher beschriebenen Elemente entsprechen den Elementen des vorbeschriebenen AUsführungsbeispiels, die mit einem um 100 verminderten Bezugszeichen versehen sind.The embodiment shown in perspective in FIG. 8 is a luminaire design, which corresponds in principle to the representation according to FIG. 1. The elements that are not described in greater detail correspond to the elements of the exemplary embodiment described above, which are provided with a reference symbol reduced by 100.

Im Gegensatz zu dem zuvor dargestellten Ausführungsbeispiel, bei dem die Bajonett-Kupplung nach einem Einschieben des Verbindungsprofils zwischen die Halteköpfe in Querrichtung wirksam wurde, erfolgt hier ein Zusammenführen bei der Montage in axialer Richtung.In contrast to the exemplary embodiment shown above, in which the bayonet coupling became effective in the transverse direction after the connecting profile had been inserted between the holding heads, the assembly is brought together in the axial direction here.

Dazu weist der in das Verbindungsprofil der in das Verbindungsprofil 103 einsteckbare Teil 121, 121a der Halteköpfe 102a, 102b einen umlaufenden Ringsteg 124, 125, 124a, 125a, 126a mit den Ringsteg unterbrechenden Ausnehmungen 140, 140a, 141a, 142a auf.For this purpose, the part 121, 121a of the holding heads 102a, 102b which can be inserted into the connecting profile 103 has a circumferential ring web 124, 125, 124a, 125a, 126a with recesses 140, 140a, 141a, 142a which interrupt the ring web.

Die Anordnung dieser den Ringsteg unterbrechenden Ausnehmungen korrespondiert dabei mit der Anordnung von Teilen 127, 128, 129, 129a eines Ringstegs, die an den die Halteköpfe 102a, 102b aufnehmenden Enden des Verbindungsprofils 103 vorgesehen sind. Damit korrespondiert die Anordnung der verbleibenden Bereiche des Ringstegs 124, 125, 124a, 125a, 126a an den Halteköpfen 102, 102a auch mit der Anordnung von den Ringsteg 127 bis 129, 129a unterbrechenden Ausnehmungen an den Enden des Verbindungsprofils 103, so daß im montierten Zustand der Leuchte die Teile des Ringstegs der der Halteköpfe diejenigen des Verbindungsprofils hintergreifen. Insbesondere ist die Anordung der Teile des Ringstegs und der Ausnehmungen in Umfangsrichtung äquidistant.The arrangement of these recesses which interrupt the ring web corresponds to the arrangement of parts 127, 128, 129, 129a of a ring web which are provided on the ends of the connecting profile 103 which receive the holding heads 102a, 102b. The arrangement of the remaining areas of the ring web 124, 125, 124a, 125a, 126a on the holding heads 102, 102a also corresponds to the arrangement of recesses interrupting the ring web 127 to 129, 129a at the ends of the connecting profile 103, so that in the assembled state the light engages behind the parts of the ring web of the holding heads those of the connecting profile. In particular, the arrangement of the parts of the ring web and the recesses is equidistant in the circumferential direction.

Da die den Ringsteg unterbrechenden Ausnehmungen 140 der Halteköpfe in Umfangsrichtung kleiner sind als dessen verbleibende Bereiche bzw. daß die den Ringsteg des Verbindungsprofils unterbrechenden Ausnehmungen in Umfangsrichtung größer sind als die dort verbleibenden Bereiche, können bei Ausbildung des Verbindungsprofils 103 als Strangprofil die dort verbleibenden Teile des Ringstegs sich nach einer entsprechend zu erzeugenden Aussparung 132, 132a zu dessen Hintergreifen als ebenfalls in Längsrichtung verlaufende Stege 143 über die Länge des Verbindungsprofils fortsetzen, um dessen Steifigkeit zu erhöhen. Entsprechend erstreckt sich in günstiger Weise der Öffnungsbereich 144 des Verbindungsprofils zwischen zwei verbleibenden Ringstegbereichen 127, 129.Since the recesses 140 of the holding heads which interrupt the ring web are smaller in the circumferential direction than its remaining areas or that the recesses interrupting the ring web of the connecting profile are larger in circumferential direction than the areas remaining there, when the connecting profile 103 is formed as an extruded profile, the parts of the remaining there After a correspondingly generated recess 132, 132a for engaging behind the ring web, they continue as webs 143 also running in the longitudinal direction over the length of the connecting profile in order to increase its rigidity. Correspondingly, the opening area 144 of the connecting profile extends between two remaining ring web areas 127, 129.

Es ist ersichtlich, daß zur Montage der Leuchte lediglich die Halteköpfe in geeigneter Position in das Verbindungsprofil eingeführt werden müssen und durch eine einfache Drehung um einen beliebigen Winkel die Arretierung gewährleistet ist. Eine Demontage ist lediglich in drei vorgegebenen, eng begrenzten Winkelbereichen möglich. Hierzu ist aber ein Zug ein axialer Richtung auf die Halteköpfe auszuüben, der bei normaler Benutzung der Leuchte nicht auftritt.It can be seen that only the holding heads have to be inserted into the connecting profile in a suitable position for mounting the lamp and the locking is ensured by a simple rotation through any angle. Disassembly is only possible in three predefined, narrowly defined angular ranges. For this purpose, however, a pull is to be exerted on the holding heads in an axial direction, which does not occur during normal use of the lamp.

Claims (9)

  1. Light fitting with a transparent light tube (1), in which a plurality of small glass-bulb lamps (8) are connected in series and the ends of which comprise connector sleeves (11a, 11b), which serve as current connections, with an internal, central, electrically conductive plug contact (16), and, when the light fitting is in the assembled state, the plug contacts (16) contact plug sockets (52) which are arranged in a respective holding head (2a, 2b) and connected to an electrical supply line, and with a connecting profile (3) which forms a circular ring segment in cross section, characterised in that the connecting profile (3) is arranged such that it can rotate about the light tube (1) when the light fitting is in the assembled state, and that the holding heads (2a, 2b) can be inserted in the ends of the connecting profile (3) and, by rotating the connecting profile (3) and/or the holding heads (2a, 2b), can be positively connected to the connecting profile (3) such that the connecting profile (3) can be freely rotated about the longitudinal and connecting axis of the holding heads (2a, 2b).
  2. Light fitting according to claim 1, characterised in that the positive connection between the holding heads (2a, 2b) and the connecting profile (3) is formed like a bayonet catch.
  3. Light fitting according to any one of the preceding claims, characterised in that a part (21) of the holding heads (2a, 2b) which can be inserted in the connecting profile (3) comprises a cylindrical surface with two opposite flattened portions (22, 23) and two ring webs (24, 25) which connect the flattened portions (22, 23) and which, when the light fitting is in the assembled state, engage in corresponding ring grooves (32) which are disposed in the inner wall near the ends of the connecting profile (3).
  4. Light fitting according to any one of the preceding claims, characterised in that the connecting profile (3) is provided with a respective chamfer (31) in the longitudinal direction at the longitudinal edges of the circular ring segment at least in the area of its ends which accommodate the holding heads (2a, 2b) such that the chamfers are at least almost parallel and the spacing (a) of the flattened portions (22, 23) on the holding heads (2a, 2b) is slightly smaller than or equal to the spacing (b) between the chamfers (31) at the longitudinal edges of the circular ring segment of the connecting profile (3).
  5. Light fitting according to claim 2, characterised in that the part (121, 121a) of the holding heads (102a, 102b) which can be inserted in the connecting profile (103) comprises a circumferential ring web (124, 125, 124a, 125a, 126a) with recesses (140, 140a, 141a, 142a) which interrupt the ring web, that the arrangement of the recesses which interrupt the ring web corresponds to the arrangement of parts (127, 128, 129, 129a) of a ring web which are provided at the ends of the connecting profile (3) which accommodate the holding heads (102a, 102b), and that the arrangement of the remaining areas of the ring web (124, 125, 124a, 125a, 126a) at the holding heads (102, 102a) corresponds to the arrangement of recesses at the ends of the connecting profile (103) which interrupt the ring web (127 to 129, 129a), so that the parts of the ring web of the holding heads (102a, 102b) engage behind those of the connecting profile (103) when the light fitting is in the assembled state.
  6. Light fitting according to claim 5, characterised in that the parts of the ring web and the recesses of these parts are arranged equidistantly in the circumferential direction.
  7. Light fitting according to claim 6, characterised in that the recesses (140) of the holding heads which interrupt the ring web are smaller in the circumferential direction than the remaining areas of the latter, and that the recesses which interrupt the ring web of the connecting profile are larger in the circumferential direction than the areas remaining there.
  8. Light fitting according to claim 7, characterised in that the connecting profile (103) is formed as an extruded profile, and the remaining parts of the ring web continue over the length of the connecting profile, after a groove (132, 132a) provided so that the ring web can be engaged at the rear, as webs (143) which extend in the longitudinal direction.
  9. Light fitting according to claim 7, characterised in that the opening area (144) of the connecting profile (103) extends between two remaining ring web areas (127, 129).
EP88730177A 1987-08-10 1988-08-09 Light fixture Expired - Lifetime EP0303561B1 (en)

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DE8711021U DE8711021U1 (en) 1987-08-10 1987-08-10 lamp
DE8711021U 1987-08-10

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EP0303561A2 EP0303561A2 (en) 1989-02-15
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EP0303561B1 true EP0303561B1 (en) 1994-07-06

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AT (1) ATE108259T1 (en)
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Also Published As

Publication number Publication date
DE3850536D1 (en) 1994-08-11
ATE108259T1 (en) 1994-07-15
EP0303561A3 (en) 1990-02-07
DE8711021U1 (en) 1987-12-03
EP0303561A2 (en) 1989-02-15
US4943900A (en) 1990-07-24

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