EP1284388B1 - Vehicle lighting device - Google Patents

Vehicle lighting device Download PDF

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Publication number
EP1284388B1
EP1284388B1 EP02016046A EP02016046A EP1284388B1 EP 1284388 B1 EP1284388 B1 EP 1284388B1 EP 02016046 A EP02016046 A EP 02016046A EP 02016046 A EP02016046 A EP 02016046A EP 1284388 B1 EP1284388 B1 EP 1284388B1
Authority
EP
European Patent Office
Prior art keywords
retaining ring
housing
lighting equipment
socket
elements
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
EP02016046A
Other languages
German (de)
French (fr)
Other versions
EP1284388A3 (en
EP1284388A2 (en
Inventor
Carsten Ludwig
Thomas Niedenzu
Olaf Koch
Alwin Vrielmann
Arnd-Claus Büchner
Markus Deuter
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Publication of EP1284388A2 publication Critical patent/EP1284388A2/en
Publication of EP1284388A3 publication Critical patent/EP1284388A3/en
Application granted granted Critical
Publication of EP1284388B1 publication Critical patent/EP1284388B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/19—Attachment of light sources or lamp holders
    • F21S43/195—Details of lamp holders, terminals or connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/19—Attachment of light sources or lamp holders
    • F21S41/192—Details of lamp holders, terminals or connectors
    • 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
    • F21V27/00—Cable-stowing arrangements structurally associated with lighting devices, e.g. reels 

Definitions

  • the invention relates to a lighting device for vehicles, comprising a housing, with a light element carrying socket which is releasably secured to the edge region of an opening of the housing and carries second electrical contact elements, against which first electrical contact elements, and with a retaining ring, the carries first contact elements, surrounds the opening in the interior of the housing and engages with radially resilient latching elements in Verrastungsmarken the edge region of the opening of the housing.
  • the light element is an incandescent lamp, which is inserted with a socket in a socket.
  • the socket is inserted bayonet-like together with the light element from the outside of a housing forth in an opening of the housing and engages behind with radially projecting lugs the edge region of the opening, wherein the socket rests on the outside of the housing with a resilient sealing element at the edge region of the opening and pushes the lugs against the inner edge region of the opening.
  • resilient first contact elements are mounted, which bear resiliently against second contact elements.
  • the second contact elements are attached to electrical cables of a wiring harness, arranged in the interior of the housing and each inserted into a holding device of the housing.
  • the assembly is cumbersome and time-consuming and it may happen that the second contact elements are not securely fixed to the housing and can be detached from the housing or the second contact elements occupy an inaccurate position and no secure contact with the first contact elements of the socket out.
  • a lighting device for vehicles in which the second contact elements are attached to a retaining ring which surrounds the opening of the housing and is latched from the inside of the housing forth with with the edge region of the opening.
  • resilient locking elements of the retaining ring engage in Verrastungmarken the edge region of the opening.
  • the attached to the socket resilient contact elements are designed to be radially resilient and can bend during assembly of the version.
  • the object of the invention is to improve the lighting device for vehicles described in the preamble of claim 1 such that is ensured without additional control device that the first contact elements occupy their desired position to the socket.
  • This object is achieved according to the invention in that the distance between the locking elements of the retaining ring to the socket is smaller than the radial travel of the locking elements instagigen locking with the Verrastungsmarken.
  • the first contact elements have a precise position relative to the second contact elements of the socket, since the lamp socket can be produced with very close tolerances for a part securing the latching elements in their locking position and the retaining ring.
  • the socket can not be fixed to the housing, because then the not latched locking element far into the opening in the housing, that the socket is not inserted far enough into the opening or can not be brought into its locking position. In this case, the retaining ring can be pressed completely out of the housing through the socket.
  • the installation of the lighting device is simple and quick to carry out, since the already equipped with the first contact elements retaining ring is only to lock with the housing.
  • the retaining ring is fixed rattle-free in its mounting direction on the housing when resilient elements are integrally formed on the retaining ring or the edge region of the housing, which bear resiliently against a contact surface of the housing or the retaining ring and press the locking elements of the retaining ring against axial surfaces of the Verrastungsmarken.
  • the resilient elements of the retaining ring are formed by tongues whose roots are integrally formed on the bottom of a recess of the retaining ring and protrude with its free end of the recess.
  • the spring travel of the resilient elements is particularly large in the mounting direction of the retaining ring when the resilient elements protrude over most of their length laterally from the recess and extend at an acute angle to the mounting direction of the retaining ring.
  • the socket extends adjacent to the interior of the housing with a conically tapered lateral surface portion adjacent to the latching elements, wherein the latching elements extend in a äuqidistanten distance to the conical lateral surface portion of the socket.
  • the second contact elements are radially elastically yielding, as seen from the rear side of the illumination device are covered by the edge region of the opening and are arranged in the interior of the retaining ring.
  • the elastic second contact elements are arranged protected against damage before, during and after the mounting of the retaining ring.
  • the first contact elements are rigidly connected to the socket.
  • the retaining ring is easily latched to the housing and the locking elements are securely locked transversely to the mounting direction of the retaining ring when the elastic locking elements in the mounting direction of the retaining ring-facing arms which engage with locking lugs in the Verrastungsmarken, in a recess of the edge region of the opening of the housing are arranged.
  • a serving as lighting device for vehicles headlamp has an existing plastic cup-shaped housing 1, the front side is covered by a translucent cover plate, not shown.
  • an unillustrated light module for a low beam light and a flashing light is arranged in the interior of the cup-shaped housing 1.
  • the flashing light has a holding device 12 for a light element 2, which is an incandescent lamp on.
  • the light element 2 is inserted with a base 17 in a plastic version 3 existing.
  • the socket 3 is inserted together with the light element 2 from the back of the housing 1 forth in an opening 5 of the housing 1.
  • the frame 3 rests with a sealing ring 18 on an outer edge region 4 of the opening 5 and engages behind the edge region 4 with radially projecting lugs 19.
  • the socket 3 is fixed by means of a rotary closure to the edge region 4 of the opening 5.
  • the light element 2 protrudes with a glass bulb 20 into the interior of the housing 1.
  • electrical second contact elements 8 are mounted, which are designed to be largely rigid, in the insertion direction of the socket 3, the radially projecting lugs 19 are upstream and protected behind radially projecting projections 24 of the version 3 are arranged. As a result, the second contact elements 8 can not be damaged when mounting the socket 3.
  • first contact elements 7 are arranged protected from damage, which rest under prestress against the second contact elements 8 of the socket 3.
  • the first contact elements 7 are held firmly in receptacles 22 of the retaining ring 9.
  • the electrical leads 21 connected to the contact elements 7 and 8 are additionally supported in a receiving projection 23 of the retaining ring 9.
  • no vibrations of the electrical lines 21 can be transmitted to the second contact elements 8 when driving.
  • the retaining ring 9 is automatically fixed by means of locking elements 10 on Verrastungsmarken 11 of the edge portion 4 of the opening 5 of the housing 1.
  • latching elements 10 serve three in the mounting direction of the retaining ring 9 facing resilient arms, which have a locking lug 6 at the free end.
  • the locking elements 10 and the Verrastungsmarken 11 are arranged in a recess of the edge portion 4 of the opening 5.
  • the socket 3 adjoins the resilient latching elements 10 at a distance from a conical lateral surface section 16 that tapers in the direction of insertion. The distance between the locking elements 10 and the conical lateral surface portion 16 is smaller than the radial travel of the locking elements 10 instägtigen latching with the Verrastungsmarken 11.
  • the version 3 can with its conical Jacket surface portion 16 abut directly on one or more locking elements 10.
  • the retaining ring 9 rests with formed resilient elements 13 on the inside of the edge region 4 of the opening 5 of the housing 5 under prestress.
  • resilient elements 13 are tongues which are formed with its root at the bottom of a recess 15 and laterally projecting outwardly from the recess 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Spacing of the retaining ring catch from the holder (3) is less than the radially-sprung path of the catch during automatic engagement with the catch marks (11).

Description

Die Erfindung betrifft eine Beleuchtungseinrichtung für Fahrzeuge, mit einem Gehäuse, mit einer ein Lichtelement tragenden Fassung, die an dem Randbereich einer Öffnung des Gehäuses lösbar befestigt ist und zweite elektrische Kontaktelemente trägt, an denen ersten elektrische Kontaktelementen anliegen, und mit einem Haltering, der die ersten Kontaktelemente trägt, im Inneren des Gehäuses die Öffnung umgibt und mit radial federnden Rastelementen in Verrastungsmarken des Randbereichs der Öffnung des Gehäuses eingreift.The invention relates to a lighting device for vehicles, comprising a housing, with a light element carrying socket which is releasably secured to the edge region of an opening of the housing and carries second electrical contact elements, against which first electrical contact elements, and with a retaining ring, the carries first contact elements, surrounds the opening in the interior of the housing and engages with radially resilient latching elements in Verrastungsmarken the edge region of the opening of the housing.

Eine Beleuchtungseinrichtung für Fahrzeuge ist aus der DE - A- 44 18 399 bekannt. Als Lichtelement dient eine Glühlampe, die mit einem Sockel in eine Fassung eingesetzt ist. Die Fassung ist zusammen mit dem Lichtelement von der Außenseite eines Gehäuses her in eine Öffnung des Gehäuses bajonettartig eingesetzt und hintergreift mit radial abstehenden Ansätzen den Randbereich der Öffnung, wobei die Fassung auf der Außenseite des Gehäuses mit einem federnden Dichtelement an dem Randbereich der Öffnung anliegt und die Ansätze gegen den innern Randbereich der Öffnung drückt. An der Fassung sind federnde erste Kontaktelemente angebracht, die federnd an zweiten Kontaktelementen anliegen. Die zweiten Kontaktelemente sind an elektrische Kabel eines Kabelbaums angebracht, im Inneren des Gehäuse angeordnet und jeweils in eine Halteeinrichtung des Gehäuse eingesetzt. Dadurch ist die Montage umständlich und zeitaufwendig und es kann vorkommen, dass die zweiten Kontaktelemente nicht sicher am Gehäuse festgesetzt sind und sich vom Gehäuse lösen können bzw. die zweiten Kontaktelemente eine ungenaue Lage einnehmen und keine sichere Kontaktierung zu den ersten Kontaktelementen der Fassung hin besteht. Weiterhin ist aus der Praxis eine Beleuchtungseinrichtung für Fahrzeuge bekannt, bei der die zweiten Kontaktelemente an einen Haltering angebracht sind, der die Öffnung des Gehäuses umgibt und von der Innenseite des Gehäuses her mit mit dem Randbereich der Öffnung verrastet ist.An illumination device for vehicles is known from DE-A-44 18 399. The light element is an incandescent lamp, which is inserted with a socket in a socket. The socket is inserted bayonet-like together with the light element from the outside of a housing forth in an opening of the housing and engages behind with radially projecting lugs the edge region of the opening, wherein the socket rests on the outside of the housing with a resilient sealing element at the edge region of the opening and pushes the lugs against the inner edge region of the opening. On the socket resilient first contact elements are mounted, which bear resiliently against second contact elements. The second contact elements are attached to electrical cables of a wiring harness, arranged in the interior of the housing and each inserted into a holding device of the housing. As a result, the assembly is cumbersome and time-consuming and it may happen that the second contact elements are not securely fixed to the housing and can be detached from the housing or the second contact elements occupy an inaccurate position and no secure contact with the first contact elements of the socket out. Furthermore, from practice a lighting device for vehicles is known in which the second contact elements are attached to a retaining ring which surrounds the opening of the housing and is latched from the inside of the housing forth with with the edge region of the opening.

Dabei greifen federnde Rastelemente des Halterings in Verrastungmarken des Randbereichs der Öffnung ein. In der Massenfertigung kann es vorkommen, dass nicht sämtliche Rastelemente in die Verrastungsmarken eingreifen und somit der Haltering durch die im Fahrbetrieb auftretenden Vibrationen sich selbsttätig vom Gehäuse lösen kann bzw. eine Kontaktierung zwischen den Kontaktelementen nicht sicher ist. Die an die Fassung angebrachten federnden Kontaktelemente sind radial federnd ausgeführt und können sich bei der Montage der Fassung verbiegen.In this case, resilient locking elements of the retaining ring engage in Verrastungmarken the edge region of the opening. In mass production, it may happen that not all locking elements engage in the Verrastungsmarken and thus the retaining ring can be solved by the vibrations occurring during driving automatically from the housing or a contact between the contact elements is not sure. The attached to the socket resilient contact elements are designed to be radially resilient and can bend during assembly of the version.

Aufgabe der Erfindung ist es, die im Oberbegriff des Anspruchs 1 beschriebene Beleuchtungseinrichtung für Fahrzeuge derart zu verbessern, dass ohne zusätzliche Kontrolleinrichtung gewährleistet ist, dass die ersten Kontaktelemente ihre Solllage zur Fassung einnehmen. Diese Aufgabe wird nach der Erfindung dadurch gelöst, dass der Abstand der Rastelemente des Halterings zu der Fassung kleiner ist als der radiale Federweg der Rastelemente beim selbsttägtigen Verrasten mit der Verrastungsmarken. Die ersten Kontaktelemente weisen eine genaue Lage zu den zweiten Kontaktelementen der Fassung auf, da die Lampenfassung ein die Rastelemente in ihrer Verriegelungsstellung sicherndes Teil und der Haltering mit sehr engen Toleranzen herstellbar ist. Wenn nicht alle bzw. nur eines der Rastelemente nach der Montage des Halterings nicht mit dem Randbereich der Öffnung des Gehäuses verrastet ist, kann die Fassung nicht an dem Gehäuse festgesetzt werden, weil dann das nicht verrastete Rastelement soweit in die Öffung in dem Gehäuse hineinsteht, dass die Fassung nicht weit genug in die Öffnung einsteckbar ist bzw. nicht in ihre Verriegelungslage bringbar ist. Dabei kann der Haltering durch die Fassung vollständig aus dem Gehäuse heraus gedrückt werden. Die Montage der Beleuchtungseinrichtung ist einfach und schnell durchführbar,da der bereits mit den ersten Kontaktelementen bestückte Haltering nur noch mit dem Gehäuse zu verrasten ist.The object of the invention is to improve the lighting device for vehicles described in the preamble of claim 1 such that is ensured without additional control device that the first contact elements occupy their desired position to the socket. This object is achieved according to the invention in that the distance between the locking elements of the retaining ring to the socket is smaller than the radial travel of the locking elements in selbsttagigen locking with the Verrastungsmarken. The first contact elements have a precise position relative to the second contact elements of the socket, since the lamp socket can be produced with very close tolerances for a part securing the latching elements in their locking position and the retaining ring. If not all or only one of the locking elements is not locked after mounting the retaining ring with the edge region of the opening of the housing, the socket can not be fixed to the housing, because then the not latched locking element far into the opening in the housing, that the socket is not inserted far enough into the opening or can not be brought into its locking position. In this case, the retaining ring can be pressed completely out of the housing through the socket. The installation of the lighting device is simple and quick to carry out, since the already equipped with the first contact elements retaining ring is only to lock with the housing.

Der Haltering ist in seiner Montagerichtung klapperfrei an dem Gehäuse festgesetzt, wenn an den Haltering oder den Randbereich des Gehäuses federnde Elemente angeformt sind, die an einer Anlagefläche des Gehäuses bzw. des Halterings federnd anliegen und die Rastelemente des Halterings gegen axiale Flächen der Verrastungsmarken drücken. Dadurch kann im Fahrbetrtieb über den Haltering keine Bewegung auf das zweite Kontaktelement übertragen werden, durch welches dann die Kontaktstelle zwischen den beiden Kontaktelementen in Folge von Reibung so stark korrodieren kann, dass keine sichere elektrische Kontaktierung mehr gegeben ist.The retaining ring is fixed rattle-free in its mounting direction on the housing when resilient elements are integrally formed on the retaining ring or the edge region of the housing, which bear resiliently against a contact surface of the housing or the retaining ring and press the locking elements of the retaining ring against axial surfaces of the Verrastungsmarken. As a result, no movement can be transmitted to the second contact element in the driving operation via the retaining ring, through which the contact point between the two contact elements can corrode as a result of friction so much that no reliable electrical contacting is provided.

Für die federnden Elemente sind keine separaten Bauteile notwendig, wenn die federnden Elemente des Halterings von Zungen gebildet sind, deren Wurzel an den Grund einer Aussparung des Halterings angeformt sind und mit ihrem freien Ende aus der Aussparung herrausragen. Der Federweg der federnden Elemente ist in Montagerichtung des Halterings besonders groß, wenn die federnden Elemente über den größten Teil ihrer Länge seitlich aus der Aussparung hervorstehen und in einem spitzen Winkel zur Montagerichtung des Halterings verlaufen.For the resilient elements no separate components are necessary if the resilient elements of the retaining ring are formed by tongues whose roots are integrally formed on the bottom of a recess of the retaining ring and protrude with its free end of the recess. The spring travel of the resilient elements is particularly large in the mounting direction of the retaining ring when the resilient elements protrude over most of their length laterally from the recess and extend at an acute angle to the mounting direction of the retaining ring.

Bei einer besonders vorteilhaften Weiterbildung der Erfindung verläuft die Fassung mit einem zum Inneren des Gehäuses hin sich konisch verjüngenden Mantelflächenabschnitt zu den Rastelementen benachbart, wobei die Rastelemente in einem äuqidistanten Abstand zu dem konischen Mantelflächenabschnitt der Fassung verlaufen. Sind nach einer Montage des Halterings nicht alle Rastelemente mit dem Gehäuse verrastet, drückt bei einer Montage der Fassung diese mit ihrem konischen Mantelflächenabschnitt gegen die Rastelemente und die noch nicht mit dem Randbereich der Öffnung des Gehäuses verrasteten federnden Rastelemente des Halterings verrasten zwangsweise.In a particularly advantageous embodiment of the invention, the socket extends adjacent to the interior of the housing with a conically tapered lateral surface portion adjacent to the latching elements, wherein the latching elements extend in a äuqidistanten distance to the conical lateral surface portion of the socket. Are not all locking elements locked to the housing after assembly of the retaining ring, presses with an assembly of the socket with its conical lateral surface portion against the locking elements and not latched with the edge region of the opening of the housing resilient locking elements of the retaining ring forcibly.

Weiterhin ist es vorteilhaft, wenn die zweiten Kontaktelemente radial elastisch nachgiebig sind, von der Rückseite der Beleuchtungseinrichtung her gesehen durch den Randbereich der Öffnung abgedeckt sind und im Inneren des Halterings angeordnet sind. Dadurch sind die elastischen zweiten Kontaktelemente vor, während und nach der Montage des Halterings geschützt vor einer Beschädigung angeordnet. Beim Einführen der Fassung der Lampe in die Öffnung ist keine Beschädungsmöglichkeit der Kontaktfedern gegeben. In diesem Zusammenhang ist es weiterhin vorteilhaft, wenn die ersten Kontaktelemente starr mit der Fassung verbunden sind.Furthermore, it is advantageous if the second contact elements are radially elastically yielding, as seen from the rear side of the illumination device are covered by the edge region of the opening and are arranged in the interior of the retaining ring. As a result, the elastic second contact elements are arranged protected against damage before, during and after the mounting of the retaining ring. When inserting the version of the lamp in the opening no possibility of damage of the contact springs is given. In this context, it is also advantageous if the first contact elements are rigidly connected to the socket.

Der Haltering ist leichtgängig mit dem Gehäuse verrastbar und die Rastelemente sind quer zur Montagerichtung des Halterings sicher arretiert, wenn die elastischen Rastelemente in Montagerichtung des Halterings weisende Arme sind, die mit Rastnasen in die Verrastungsmarken eingreifen, die in einer Vertiefung des Randbereichs der Öffnung des Gehäuses angeordnet sind.The retaining ring is easily latched to the housing and the locking elements are securely locked transversely to the mounting direction of the retaining ring when the elastic locking elements in the mounting direction of the retaining ring-facing arms which engage with locking lugs in the Verrastungsmarken, in a recess of the edge region of the opening of the housing are arranged.

Ein Ausführungsbeispiel nach der Erfindung ist in der Zeichnung dargestellt, und zwar zeigen:

  • Figur 1 in einer perspektivischen Teilansicht eine Halteeinrichtung für eine Fassung einer Lichtquelle einer Beleuchtungseinrichtung,
  • Figur 2 in einer perspektivischen Ansicht einen Haltering der Halteeinrichtung in Figur 1,
  • Figur 3 in einer perspektivischen Ansicht eine für eine Lichtquelle diende Fassung, die in der Halteeinrichtung lösbar festsetzbar ist und
  • Figur 4 in einem Mittelschnitt einen Teil der Halteeinrichtung in Figur 1, die in die Halteinrichtung eingesetzte Fassung in Figur 3 und eine als Lichtquelle diende Lampe.
An embodiment of the invention is shown in the drawing, in which:
  • 1 shows a perspective partial view of a holding device for a socket of a light source of a lighting device,
  • FIG. 2 shows a perspective view of a holding ring of the holding device in FIG. 1,
  • FIG. 3 shows a perspective view of a socket that leads away from a light source and that can be releasably fixed in the holding device, and
  • FIG. 4 shows in a central section a part of the holding device in FIG. 1, the holder inserted into the holding device in FIG. 3 and a lamp serving as a light source.

Ein als Beleuchtungseinrichtung für Fahrzeuge dienender Scheinwerfer, weist ein aus Kunststoff bestehendes topfförmiges Gehäuse 1 auf, dessen vordere Seite von einer nicht dargestellten lichtdurchlässigen Abschlussscheibe abgedeckt ist. Im Inneren des topfförmigen Gehäuses 1 ist ein nicht dargestelltes Lichtmodul für ein Abblendlichtlicht und eine Blinkleuchte angeordnet. Die Blinkleuchte weist eine Halteeinrichtung 12 für ein Lichtelement 2, welches eine Glühlampe ist, auf. Das Lichtelement 2 ist mit einem Sockel 17 in eine aus Kunststoff bestehende Fassung 3 eingesetzt. Die Fassung 3 ist zusammen mit dem Lichtelement 2 von der Rückseite des Gehäuses 1 her in eine Öffnung 5 des Gehäuses 1 eingesetzt. Dabei liegt die Fassung 3 mit einem Dichtungsring 18 an einem äußeren Randbereich 4 der Öffnung 5 an und hintergreift den Randbereich 4 mit radial abstehenden Ansätzen 19. Die Fassung 3 ist mittels eines Drehverschlusses an dem Randbereich 4 der Öffnung 5 festgesetzt. Das Lichtelement 2 ragt mit einem Glaskolben 20 in das Innere des Gehäuses 1. An die Fassung 3 sind elektrische zweite Kontaktelemente 8 angebracht, die weitestgehend starr ausgeführt sind, in Einsetzrichtung der Fassung 3 den radial abstehenden Ansätzen 19 vorgelagert sind und geschützt hinter radial abstehenden Vorsprüngen 24 der Fassung 3 angeordnet sind. Dadurch können die zweiten Kontaktelemente 8 beim Montieren der Fassung 3 nicht beschädigt werden können.A serving as lighting device for vehicles headlamp, has an existing plastic cup-shaped housing 1, the front side is covered by a translucent cover plate, not shown. In the interior of the cup-shaped housing 1, an unillustrated light module for a low beam light and a flashing light is arranged. The flashing light has a holding device 12 for a light element 2, which is an incandescent lamp on. The light element 2 is inserted with a base 17 in a plastic version 3 existing. The socket 3 is inserted together with the light element 2 from the back of the housing 1 forth in an opening 5 of the housing 1. The frame 3 rests with a sealing ring 18 on an outer edge region 4 of the opening 5 and engages behind the edge region 4 with radially projecting lugs 19. The socket 3 is fixed by means of a rotary closure to the edge region 4 of the opening 5. The light element 2 protrudes with a glass bulb 20 into the interior of the housing 1. To the socket 3, electrical second contact elements 8 are mounted, which are designed to be largely rigid, in the insertion direction of the socket 3, the radially projecting lugs 19 are upstream and protected behind radially projecting projections 24 of the version 3 are arranged. As a result, the second contact elements 8 can not be damaged when mounting the socket 3.

Im Inneren eines aus Kunststoff bestehenden Halterings 9 sind geschützt vor Beschädigungen federnde erste Kontaktelemente 7 angeordnet, die unter Vorspannung an den zweiten Kontaktelementen 8 der Fassung 3 anliegen. Die ersten Kontaktelemente 7 sind in Aufnahmen 22 des Halterings 9 fest gehalten. Die mit den Kontaktelementen 7 und 8 verbundenen elektrischen Leitungen 21 sind zusätzlich in einem Aufnahmevorsprung 23 des Halterings 9 gehaltert. Dadurch können sich im Fahrbetrieb keine Vibrationen der elektrischen Leitungen 21 auf die zweiten Kontaktelemente 8 übertragen. Bei der Montage des Halterings 9 sind die ersten Kontaktelementen 7 bereits an dem Haltering 9 befestigt, der dann ein Teil einer Leitungsgruppe ist, welche in der Endmontage des Scheinwerfers einfach und schnell an dem Gehäuse 1 festsetzbar ist. Der Haltering 9 ist mittels Rastelementen 10 an Verrastungsmarken 11 des Randbereichs 4 der Öffnung 5 des Gehäuses 1 selbsttätig festsetzbar. Als Rastelemente 10 dienen drei in Montagerichtung des Halterings 9 weisende federnde Arme, die am freien Ende eine Rastnase 6 aufweisen. Die Rastelemente 10 bzw. die Verrastungsmarken 11 sind in einer Vertiefung des Randbereichs 4 der Öffnung 5 angeordnet. Die Fassung 3 grenzt in einem Abstand mit einem in Einsetzrichtung sich verjüngenden konischen Mantelflächenabschnitt 16 an die federnden Rastelemente 10 an. Die federnden Rastelemente 10 verlaufen in einem äuqidistanten Abstand zu dem konischen Mantelflächenabschnitt 16. Der Abstand zwischen den Rastelementen 10 und dem konischen Mantelflächenabschnitt 16 ist kleiner als der radiale Federweg der Rastelemente 10 beim selbsttägtigen Verrasten mit den Verrastungsmarken 11. Die Fassung 3 kann mit ihrem konischen Mantelflächenabschnitt 16 unmittelbar an einem oder mehreren Rastelementen 10 anliegen. Der Haltering 9 liegt mit angeformten federnden Elementen 13 an der Innenseite des Randbereichs 4 der Öffnung 5 des Gehäuses 5 unter Vorspannung an. Als federnde Elemente 13 dienen Zungen, die mit ihrer Wurzel an dem Grund einer Aussparung 15 angeformt sind und seitlich nach außen aus der Aussparung 15 hervorstehen.Inside a retaining ring 9 made of plastic resilient first contact elements 7 are arranged protected from damage, which rest under prestress against the second contact elements 8 of the socket 3. The first contact elements 7 are held firmly in receptacles 22 of the retaining ring 9. The electrical leads 21 connected to the contact elements 7 and 8 are additionally supported in a receiving projection 23 of the retaining ring 9. As a result, no vibrations of the electrical lines 21 can be transmitted to the second contact elements 8 when driving. When mounting the retaining ring 9, the first contact elements 7 are already attached to the retaining ring 9, which is then a part of a line group, which is easily and quickly fixed to the housing 1 in the final assembly of the headlamp. The retaining ring 9 is automatically fixed by means of locking elements 10 on Verrastungsmarken 11 of the edge portion 4 of the opening 5 of the housing 1. As latching elements 10 serve three in the mounting direction of the retaining ring 9 facing resilient arms, which have a locking lug 6 at the free end. The locking elements 10 and the Verrastungsmarken 11 are arranged in a recess of the edge portion 4 of the opening 5. The socket 3 adjoins the resilient latching elements 10 at a distance from a conical lateral surface section 16 that tapers in the direction of insertion. The distance between the locking elements 10 and the conical lateral surface portion 16 is smaller than the radial travel of the locking elements 10 in selbsttägtigen latching with the Verrastungsmarken 11. The version 3 can with its conical Jacket surface portion 16 abut directly on one or more locking elements 10. The retaining ring 9 rests with formed resilient elements 13 on the inside of the edge region 4 of the opening 5 of the housing 5 under prestress. As resilient elements 13 are tongues which are formed with its root at the bottom of a recess 15 and laterally projecting outwardly from the recess 15.

Bezugszeichenliste:

1
. Gehäuse
2.
Lichtelement
3.
Fassung
4.
Randbereich
5.
Öffnung
6.
Rastnasen
7.
Erstes Kontaktelement
8.
Zweites Kontaktelement
9.
Haltering
10.
Rastelemente
11.
Verrastungsmarken
12.
Halteeinrichtung
13.
Federnde Elemente
14.
Stirnfläche
15.
Aussparung
16.
Mantelflächenabschnitt
17.
Sockel
18.
Dichtungsring
19.
Ansatz
20.
Glaskolben
21.
Leitung
22.
Aufnahme
23.
Aufnahmevorsprung
24.
Vorsprung
LIST OF REFERENCE NUMBERS
1
, casing
Second
light element
Third
version
4th
border area
5th
opening
6th
locking lugs
7th
First contact element
8th.
Second contact element
9th
retaining ring
10th
locking elements
11th
locking notches
12th
holder
13th
Springing elements
14th
face
15th
recess
16th
Lateral surface section
17th
base
18th
sealing ring
19th
approach
20th
flask
21st
management
22nd
admission
23rd
receiving projection
24th
head Start

Claims (11)

  1. . Lighting equipment for vehicles made up of a housing (1), a socket (3) a light element holder (2), where the socket is attached to the edge (4) of an opening (5) in the housing (1) so that the socket can be removed and carries a second set of electrical interlocks (8) contacted by a first set of electrical interlocks (7), and further made up of a retaining ring (9) that the first set of interlocks (7) is attached to and that frames the opening (5) inside the housing (1), featuring locating elements (10) that are elastic in radial direction and that rest in locking notches (11) along the edge (4) of the opening (5) in the housing (1), wherein the distance between the locating elements (10) on the retaining ring (9) and the socket (3) is smaller than the radial spring travel of the locating elements (10) as they automatically snap on to the locking notches (11).
  2. . Lighting equipment as in claim 1, wherein buffer elements (13) are molded to the retaining ring (9) or the edge of the housing, where the buffer elements (13) make elastic contact with an abutment area of the housing (1) or the retaining ring and press the locating elements (10) of the retaining ring (9) against axial surfaces of the locking notches (11).
  3. . Lighting equipment as in claims 1 or 2, wherein a face (14) of the retaining ring (9) rests between the buffer elements (13) and borders on the inner surface of the housing (1).
  4. . Lighting equipment as in claims 2 or 3, wherein the buffer elements (13) on the retaining ring (9) are made in the shape of studs whose root is molded to the bottom of a recess (15) in the retaining ring (9) and whose free end sticks out from the recess (15).
  5. . Lighting equipment as in claim 4, wherein most of the length of the buffer elements (13) extends beyond the end of the recess (15).
  6. . Lighting equipment as in claims 1 to 5, wherein the socket (3) runs parallel with the locating elements (10) and a section of a lateral surface (16) that tapers towards the inside of the housing (1).
  7. . Lighting equipment as in claim 6, wherein the locating elements (10) keep an equal distant to the tapering section of the lateral surface (16) all the way along to the socket (3).
  8. . Lighting equipment as in one of claims 1 to 7, wherein the second set of interlocks (8) are elastic in the radial direction and covered by the edge (4) of the opening (5) as seen from the rear of the lighting equipment.
  9. . Lighting equipment as in one of claims 1 to 8, wherein the second set of interlocks (8) is located inside the retaining ring (9).
  10. . Lighting equipment as in one of claims 1 to 8, wherein the first set of interlocks (7) is rigidly connected to the socket (3).
  11. . Lighting equipment as in one of claims 1 to 10, wherein the elastic locating elements (10) are made like arms pointing in the mounting direction of the retaining ring (9), where the locating elements have locking cams (6) that rest in the locking notches (11) located in a recess in the edge (4) of the opening (5) in the housing (1).
EP02016046A 2001-08-16 2002-07-19 Vehicle lighting device Expired - Lifetime EP1284388B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10140273 2001-08-16
DE10140273A DE10140273A1 (en) 2001-08-16 2001-08-16 Lighting device for vehicles

Publications (3)

Publication Number Publication Date
EP1284388A2 EP1284388A2 (en) 2003-02-19
EP1284388A3 EP1284388A3 (en) 2005-09-14
EP1284388B1 true EP1284388B1 (en) 2007-03-07

Family

ID=7695683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02016046A Expired - Lifetime EP1284388B1 (en) 2001-08-16 2002-07-19 Vehicle lighting device

Country Status (4)

Country Link
EP (1) EP1284388B1 (en)
AT (1) ATE356319T1 (en)
DE (2) DE10140273A1 (en)
ES (1) ES2283488T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20313185U1 (en) 2003-08-23 2003-12-24 Oechsler Ag Lamp socket

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3715532C2 (en) * 1987-05-09 1995-08-31 Bosch Gmbh Robert Light for motor vehicles, in particular front parking and / or position lights for passenger vehicles
DE4418399A1 (en) * 1994-05-26 1995-11-30 Bosch Gmbh Robert Vehicle lighting fixture

Also Published As

Publication number Publication date
ATE356319T1 (en) 2007-03-15
DE10140273A1 (en) 2003-03-06
EP1284388A3 (en) 2005-09-14
EP1284388A2 (en) 2003-02-19
DE50209634D1 (en) 2007-04-19
ES2283488T3 (en) 2007-11-01

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