EP0856123B1 - Porte-lampe d'un projecteur pour vehicules a moteur - Google Patents

Porte-lampe d'un projecteur pour vehicules a moteur Download PDF

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Publication number
EP0856123B1
EP0856123B1 EP97942862A EP97942862A EP0856123B1 EP 0856123 B1 EP0856123 B1 EP 0856123B1 EP 97942862 A EP97942862 A EP 97942862A EP 97942862 A EP97942862 A EP 97942862A EP 0856123 B1 EP0856123 B1 EP 0856123B1
Authority
EP
European Patent Office
Prior art keywords
ring
lamp
light
holding ring
retaining ring
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
EP97942862A
Other languages
German (de)
English (en)
Other versions
EP0856123A1 (fr
Inventor
Heiko Briese
Fritz Krukenbaum
Josef Wieneke
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 EP0856123A1 publication Critical patent/EP0856123A1/fr
Application granted granted Critical
Publication of EP0856123B1 publication Critical patent/EP0856123B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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
    • F21S41/194—Bayonet attachments

Definitions

  • the invention relates to a lamp holder of a headlamp for vehicles according to the preamble of claim 1.
  • Such a lamp holder of a headlight for vehicles is from DE 34 25 291 A1 became known.
  • the lamp holder is on a reflector of the Headlamp arranged and has a made of plastic Socket ring, which by means of a bayonet lock in an opening of the Reflector is fixed.
  • the mounting ring is made in one piece with the reflector.
  • a lamp with its glass bulb in front of the socket ring lies on a fixing surface of the Setting ring.
  • a retaining ring placed on the mounting ring is by means of a twist lock is attached to the frame ring and lies with molded resilient elements under tension on the base and presses the base towards the direction of insertion of the lamp against the socket ring.
  • the lamp would have to be as in that from DE 28 53 227 A1 known lamp holder radially against a fixing surface of the socket ring be pressed.
  • a spring element attached to the reflector is used separate spring element.
  • a headlight is known from DE - C1 - 4436409, in which the retaining ring is made of Spring plate is made and with radially outward hook on the Claws inside of the socket ring. This makes the retaining ring unsolvable on the Setting ring fixed. So that the retaining ring is secure after installing the lamp is held on the mounting ring, the retaining ring between the mounting ring and a lid releasably attached to the mounting ring. The lamp is locked axially and radially by the retaining ring.
  • the retaining ring is only securely attached to the mounting ring by an additional cover is supported.
  • DE-A1-4123379 describes a lamp holder for a headlight is known, in which a lid serves as a retaining ring, the bayonet-like on the Mount ring is put on and with molded resilient elements underneath Bias is applied to the base. The retaining ring pushes the base towards the Direction of insertion of the lamp against the holder ring.
  • the object of the invention is that described in the preamble of claim 1
  • the retaining ring holds the lamp both against the opposite direction of attachment Retaining ring directed fixation surface of the socket ring as well as against
  • the lamp is the radially inward-facing fixing surface of the holder ring focused very precisely to a reflection surface of the reflector.
  • the assembly of the Retaining ring is smooth and the radial fixation of the lamp is secure when on the retaining ring is molded onto a spring element which has the contact surface, which presses the lamp against the fixing surface of the holder ring.
  • the entire retaining ring is radial Longitudinal axis is designed to be resilient. This makes the retaining ring itself a Spring element and lies with its contact surface under tension on the lamp and on the abutment surface of the mounting ring.
  • the retaining ring is in his End position held against unwanted loosening when the abutment surface of the Socket ring together with a support on the abutment surface
  • Surface section of the retaining ring forms a locking device which consists of a Locking trough and an automatically engaging in the locking trough Latching approach exists.
  • An unwanted loosening of the retaining ring from it End position is not possible if a Fastening opening for a fastener is attached, which in a Clearance of the retaining ring or lampholder engages. This must be done before the locking means can be released by unscrewing the retaining ring.
  • a bowl-shaped reflector (3) made of plastic is adjustable in one Headlight housing, not shown.
  • the reflector points in Vertex area on an opening (14) which on the back of a reflector on the reflector (3) molded reflector neck (15) and one on the outer edge of the reflector neck (15) molded ring (2) is surrounded by the Reflector neck (15) is directed radially outwards. From the back of the reflector (3) ago is in the opening (14) of the reflector (3) or the mounting ring (2)
  • Lamp (1) which is a gas discharge lamp, is used.
  • the lamp (1) is located with a circumferential flange (16) of its base (17) on an opposite Direction of insertion of the lamp (1) directed fixing surface (18) of the holder ring (2) lies.
  • the fixing means (20) is in the installed position of the reflector (3) in the upper Area of the mounting ring (2) arranged.
  • the mounting ring (2) has in his lower area has an upwardly directed fixing surface (6) on which the flange (16) of the base (17) abuts with its outer narrow side surface.
  • the fixing surface (6) is formed by two lugs molded onto the mounting ring (2) (21) formed, which are spaced apart and in the light exit direction a vertical center plane of the reflector (3) are arranged symmetrically.
  • the lamp (1) is attached by a retaining ring (4) placed on the holder ring (2) the mounting ring (2).
  • the retaining ring (4) is made of an elastic compliant plastic made and has one in its mounting direction facing outer peripheral edge portion (22).
  • the retaining ring (4) is fixed to the mounting ring (2) by means of a bayonet-type twist lock.
  • the twist lock is formed by on the inside of the outer edge portion (22) molded projections (23), which are provided with corresponding recesses the mounting ring (2) can be passed and after turning the Grip the retaining ring (4) behind the mounting ring (2).
  • the retaining ring (22) is with a Approach (23) up to a stop formed on the reflector (3) (not shown) rotatable into its end position.
  • the retaining ring (4) has a downward facing on the inner edge area Increase (25) with a contact surface (5), which on the lateral surface of the Base (17) of the lamp (1) and the flange (16) against the fixing surface (6) of the two approaches (21) holds.
  • the retaining ring (4) is supported with a Surface section (9) of the inside of the edge section (22) on a radially after the abutment surface (7) facing the mounting ring (2).
  • the Holding ring (4) presses with its contact surface (5) against the base (17) Lamp (1), since the retaining ring (4) is elastically flexible transversely to its mounting direction is executed.
  • the outer surface of a sleeve-shaped serves as the abutment surface (7) Latching approach (26), which is formed in one of the abutment surface (7) Locking recess of the edge section (22) of the retaining ring (4) engages.
  • the sleeve-shaped Locking approach (26) without play in a recess (27) in the inside of the Edge section (22) of the retaining ring (4).
  • the sleeve-shaped latching attachment (26) slides clockwise with its Lateral surface on a sliding surface (13) of the surface section (9) of the retaining ring (4) along until the sleeve-shaped latching attachment (26) automatically into that of the Abutment surface (7) engages formed recess.
  • the retaining ring In this end position of the Retaining ring (4), the retaining ring can be secured against unwanted loosening, by in the sleeve-shaped latching projection (26) as a locking means (11) serving fastening screw is inserted.
  • the head protrudes Fixing screw into a clearing (12) of the retaining ring (4).
  • the Resilient elements (24) have openings (28) through which the Inside of the projections (23) can be removed from the mold.
  • an electrical connector (29) On the base (17) of the lamp (1) by means of a bayonet lock, not shown, an electrical connector (29) attached.
  • the entire retaining ring (4) is largely rigid, it is advantageous to if the contact surface (5) of the retaining ring (4) from one to the retaining ring (4) molded finger-like spring element is formed, which in the direction of rotation Retaining ring (4) runs.
  • the radial holding of the lamp (1) against the fixing surface (6) of the Socket ring (2) can both through the contact surface (5) of the retaining ring (4) and / or by the raised fixing means (20) of the mounting ring (2) respectively.
  • the raised fixing means (20) is used for radial locking of the Base (17) of the lamp (1) when the raised fixing means (20) with the side surfaces facing away (30) converging to the bottom of the recess (19) or extends to the longitudinal axis of the lamp (1) and with the side surfaces (30) the outer lateral edge regions (31) of the recess (19) are adjacent.
  • the sublime Connecting means (20) is slight across its wide side surfaces (30) resilient when the raised fixation means (20) from two to the Socket ring (2) molded ribs, which on the opposite Pages that have side surfaces (30).

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Ce porte-lampe comporte, pour loger une lampe (1), une bague de support (2) montée sur un réflecteur (3). La lampe est montée sur la bague de support dans le sens de son axe longitudinal. Un anneau de blocage (4) est monté sur la bague de support (2) et bloque la lampe (1) sur cette dernière dans le sens de son axe longitudinal et dans un sens radial par rapport à l'axe de lampe. Pour pouvoir bloquer la lampe radialement par rapport à son axe sur la bague de support, l'anneau de blocage (4) présente une surface d'appui (5) orientée radialement vers l'intérieur et appuyant la lampe (1) contre une surface de fixation (6) de la bague de support (2), orientée radialement vers l'intérieur. L'anneau de blocage (4) prend alors appui contre une surface de butée (7) de la bague de support, orientée radialement.

Claims (6)

  1. Support de lampe d'un projecteur pour véhicules, comportant une bague de douille (2) d'un réflecteur (3), servant à recevoir une lampe (1), et une bague de retenue (4) qui peut être placée avec jeu radial sur la bague de douille (2), qui est peut être tournée par une fermeture rotative existant entre la bague de retenue (4) et la bague de douille (2) jusque dans une position terminale et qui bloque la lampe (1) sur la bague de douille (2) en direction de son axe longitudinal, caractérisé en ce que la bague retenue (4), qui peut être placée sur la bague de douille au moyen d'une fermeture rotative, presse, dans sa position finale et avec une surface d'appui (5) agencée sur sa région de bord intérieure et orientée radialement vers l'intérieur, la lampe (1) contre une surface de fixation (6) dirigée radialement vers l'intérieur, de la bague de douille (2) et prend appui avec la face intérieure d'un tronçon de bord extérieur (22) sur une surface de contre-butée (7) dirigée radialement vers l'extérieur, de la bague de douille (2).
  2. Support de lampe selon la revendication 1, caractérisé en ce que sur la bague de retenue (4) est formé un élément ressort (8) présentant la surface d'appui (5).
  3. Support selon l'une ou l'autre des revendication 1 et 2, caractérisé en ce que la bague de retenue (4) tout entière est réalisée élastiquement souple radialement à l'axe longitudinal de la lampe (1) et presse sa surface d'appui (5) contre la lampe (1).
  4. Support de lampe selon l'une des revendications 1 à 3, caractérisé en ce que la surface de contre-butée (7) de la bague de douille (2) forme un dispositif d'enclenchement conjointement avec un tronçon de surface (9) de la bague de retenue (4) prenant appui sur la surface de contre-butée (7).
  5. Support de lampe selon la revendication 4, caractérisé en ce que le dispositif d'enclenchement (10) est constitué par un creux d'enclenchement et par un talon d'enclenchement (26) s'engageant automatiquement dans le creux d'enclenchement.
  6. Support de lampe selon la revendication 5, caractérisé en ce que dans le talon d'enclenchement (26) est ménagée une ouverture de fixation pour un moyen de blocage (11) qui s'engage dans un dégagement (12) de la bague de retenue (4) ou de la bague de douille (2), respectivement.
EP97942862A 1996-08-16 1997-08-14 Porte-lampe d'un projecteur pour vehicules a moteur Expired - Lifetime EP0856123B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19632907A DE19632907A1 (de) 1996-08-16 1996-08-16 Lampenhalter eines Scheinwerfers für Fahrzeuge
DE19632907 1996-08-16
PCT/EP1997/004457 WO1998008021A1 (fr) 1996-08-16 1997-08-14 Porte-lampe d'un projecteur pour vehicules a moteur

Publications (2)

Publication Number Publication Date
EP0856123A1 EP0856123A1 (fr) 1998-08-05
EP0856123B1 true EP0856123B1 (fr) 2003-06-11

Family

ID=7802705

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97942862A Expired - Lifetime EP0856123B1 (fr) 1996-08-16 1997-08-14 Porte-lampe d'un projecteur pour vehicules a moteur

Country Status (3)

Country Link
EP (1) EP0856123B1 (fr)
DE (2) DE19632907A1 (fr)
WO (1) WO1998008021A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10027979B4 (de) * 2000-06-06 2010-09-30 Volkswagen Ag Vorrichtung zum Wechseln von Leuchtmitteln für Fahrzeugscheinwerfer und-leuchten
DE10200831A1 (de) 2002-01-02 2003-07-17 Philips Intellectual Property Lampe und Scheinwerfer zur einfachen Montage
DE102006060030A1 (de) * 2006-12-19 2008-06-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Kunststoffsockelteil
DE102009010960A1 (de) * 2009-02-28 2010-09-02 Bender & Wirth Gmbh & Co. Elektrische Beleuchtungseinrichtung
DE102012109059B4 (de) * 2012-09-26 2022-02-03 HELLA GmbH & Co. KGaA Halterung eines Leuchtmittels in der Öffnung eines Reflektors
AT513723B1 (de) * 2012-12-10 2014-09-15 Zizala Lichtsysteme Gmbh Vorrichtung zum Festlegen einer Lampe

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1568218A (fr) * 1968-03-18 1969-05-23
FR2411361A1 (fr) * 1977-12-08 1979-07-06 Seima Dispositif de fixation des lampes des projecteurs d'automobiles ou analogues
DE2850165A1 (de) * 1978-11-18 1980-06-04 Bosch Gmbh Robert Optischer einsatz fuer hauptscheinwerfer von kraftfahrzeugen
DE2853227A1 (de) * 1978-12-09 1980-06-19 Daimler Benz Ag Befestigung einer gluehfadenlampe an einem reflektor eines fahrzeugscheinwerfers
DE2940249C2 (de) * 1979-10-04 1986-03-06 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Scheinwerfer, insbesondere Kraftfahrzeugscheinwerfer mit einem Kunststoffreflektor
DE3425291A1 (de) * 1984-07-10 1986-01-16 Robert Bosch Gmbh, 7000 Stuttgart Scheinwerfer fuer fahrzeuge, insbesondere fuer kraftfahrzeuge
DE3719767C2 (de) * 1987-06-13 1995-03-16 Bosch Gmbh Robert Lampenbefestigung an einem Reflektor in einem Kraftfahrzeugscheinwerfer
DE9104169U1 (fr) * 1991-04-06 1992-07-30 Robert Bosch Gmbh, 7000 Stuttgart, De
DE4123379A1 (de) * 1991-07-15 1993-01-21 Bosch Gmbh Robert Gluehlampenbefestigung an einem scheinwerferreflektor
DE4436409C1 (de) * 1994-10-12 1995-12-07 Hella Kg Hueck & Co Halterung einer Lampe in einer Öffnung eines Reflektors eines Fahrzeug-Scheinwerfers

Also Published As

Publication number Publication date
WO1998008021A1 (fr) 1998-02-26
DE59710264D1 (de) 2003-07-17
DE19632907A1 (de) 1998-02-19
EP0856123A1 (fr) 1998-08-05

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