EP0702193A1 - Lampenfassung für Scheinwerfer oder Leuchte, insbesondere Kfz-Scheinwerfer bzw, -Leuchte - Google Patents

Lampenfassung für Scheinwerfer oder Leuchte, insbesondere Kfz-Scheinwerfer bzw, -Leuchte Download PDF

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Publication number
EP0702193A1
EP0702193A1 EP95402078A EP95402078A EP0702193A1 EP 0702193 A1 EP0702193 A1 EP 0702193A1 EP 95402078 A EP95402078 A EP 95402078A EP 95402078 A EP95402078 A EP 95402078A EP 0702193 A1 EP0702193 A1 EP 0702193A1
Authority
EP
European Patent Office
Prior art keywords
reflector
lamp
lamp holder
support body
mounted position
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.)
Granted
Application number
EP95402078A
Other languages
English (en)
French (fr)
Other versions
EP0702193B1 (de
Inventor
Stéphane Castagnede
Daniel Josquin
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision SAS
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 Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP0702193A1 publication Critical patent/EP0702193A1/de
Application granted granted Critical
Publication of EP0702193B1 publication Critical patent/EP0702193B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
    • 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 for a headlamp or light, in particular for a motor vehicle.
  • the invention applies very particularly to the case of projectors situated in a location such that only a very small clearance remains in the rear part of the reflector for removing and replacing the lamp of the projector.
  • This configuration is found more and more often in modern vehicles, where the various components in the engine compartment are very compactly arranged.
  • the invention proposes to overcome this difficulty by providing a headlamp comprising a reflector with a radial notch allowing the introduction of a lamp into the reflector from the outside essentially by a movement of radial displacement relative to the reflector, the assembly lamp and lamp holder then extending axially, on either side of a central opening of the reflector, partly inside the reflector and partly outside the latter.
  • the lamp holder then comprises: a lamp support body, suitable for receiving a lamp and a member for electrical connection thereto; an operating arm, connected to this support body and extending essentially radially with respect to the axis of the reflector; means for axial centering of the support body on the reflector ; means for guiding the support body relative to the reflector, from an insertion position to a mounted position, the passage from the mounted position to the insertion position being effected by a rotation of the body by a fraction of a turn support relative to the reflector; and locking means in the mounted position of the support body on the reflector.
  • the axial centering means may in particular comprise peripheral bearing surfaces of the lamp and lamp holder assembly, which cooperate with bearing surfaces homologous to the opening of the reflector.
  • the guide means may in particular comprise a flange of the support body which cooperates with a retaining piece integral with the reflector preventing any axial displacement, the retaining piece then advantageously comprising elastic blades axially urging the lamp and lamp holder assembly against the reflector .
  • the locking means in the mounted position may in particular comprise a boss secured to the support body and cooperating with a homologous elastic blade secured to the reflector.
  • Figure 1 is a schematic drawing, seen from three-quarters rear, of a reflector, lamp holder and lamp assembly according to the invention, showing the manner in which the lamp holder is inserted into and mounted on the reflector .
  • Figure 2 is an elevational section along the broken line II-II of Figure 4 of the lamp holder assembly and lamp placed in the reflector, in the final mounting position.
  • Figure 3 is a front view of the lamp holder alone, showing the operating arm and the lamp centering means.
  • Figure 4 is a rear view of the same lamp holder mounted on the reflector, the solid line drawing corresponding to the final mounting position of the lamp holder and the phantom drawing corresponding to the insertion position of this door -lamp in the notch of the projector.
  • Figure 5 is a rear view of the reflector alone, in the region of the central opening, showing in particular the bearing faces receiving the lamp and the lamp holder.
  • the headlamp configured according to the invention is shown diagrammatically, generally designated by the reference numeral 1.
  • This essentially comprises, in addition to various elements which will not be described since they do not contribute to the implementation of the invention (means of mounting the projector on the bodywork, closing glass, etc.) a reflector or mirror 2 receiving a lamp holder 3 provided with its lamp 4 (here and in the following, we will always assume that the lamp holder 3 was previously equipped with its lamp 4, this operation being prior to mounting the lamp holder on the reflector 2 of the projector).
  • the lamp holder and lamp assembly is intended to be mounted in a central opening 5 formed in the axis of the reflector, for example in the axis of the paraboloid in the most frequent case of a projector with parabolic reflector.
  • the lamp holder is introduced by a notch 6 formed from the opening 5 and which extends approximately for example along the intersection of the surface of the reflector with a vertical or slightly inclined radial plane.
  • a slight inclination ⁇ (FIG. 4) of the order of 9 °, but without any limiting character.
  • the notch 6 is blind; it extends in an axial direction towards the front of the projector over a length corresponding approximately to the length of the lamp 4. This dimension in fact depends on practical considerations and it will be understood that, if there is a slight clearance in the rear part of the reflector, it is possible to provide a shorter notch in the axial direction.
  • the notch 6 allows the insertion of the lamp essentially by a vertical downward translational movement (arrow 7 in FIG. 1) followed, after positioning of the assembly at the rear of the projector, by a movement of rotation (arrow 8) on a fraction of a turn, to lock the lamp holder in place in the opening 5.
  • the lamp holder 3 essentially comprises a lamp support body 9 receiving the lamp in a manner known per se (for example by plugging in of contacts, as can be seen in the section of FIG. 2) and provided in part rear of electrical connection means to the lamp, which can be either a plug connector or, as shown at 10 in FIG. 1, conductive wires overmolded with the body of the lamp holder and directly coming from a bundle of cables.
  • the lamp holder 3 comprises a flange 11, the role of which will be explained below, as well as an elongated rod or operating arm 12 allowing the user to perform the rotational movement (of arrow 8) when the lamp holder is placed in the opening 5 of the reflector 2, and this despite the small clearance at the rear of the reflector.
  • the flange 11 has an approximately circular and flat shape and slides between, on the one hand, the rear face of the reflector 2 at the periphery of the opening 5 and, on the other hand, a retaining part 13 (FIG. 2 and 4) which is preferably a metal insert fixed to the projector at 14 (FIGS. 2 and 5) by means of screws 15.
  • the retaining piece 13 has surfaces 16 (FIG. 4) which hold the region 17 of the flange 11 pinched between this surface 16 and the rear face opposite the reflector, around the opening 5. This thus prevents axial displacement of the lamp holder, while allowing it to be inserted from above and then pivoted about the central axis; in other words, the retaining part 13 acts in the manner of a receptacle for the lamp holder, the latter being guided radially and axially inside this receptacle by the flange.
  • the retaining part 13 also advantageously comprises elastic blades 18, for example three in number (FIGS. 2 and 4), which come to stress axially a surface facing the lamp 19.
  • the user pivots the arm 12 by an angle ⁇ (FIG. 4) for example of the order of 20 °, until the boss 24 engages under the rounded part of the blade elastic 25.
  • the lamp is disassembled by the exact opposite operation: pivoting of the lamp holder until the arm is brought to a substantially vertical position, then lifting of the latter by passing the reflector to the lamp through the notch 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
EP95402078A 1994-09-16 1995-09-14 Lampenfassung für Scheinwerfer oder Leuchte, insbesondere Kfz-Scheinwerfer bzw, -Leuchte Expired - Lifetime EP0702193B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9411069A FR2724713B1 (fr) 1994-09-16 1994-09-16 Porte-lampe pour projecteur ou feu, notamment de vehicule automobile
FR9411069 1994-09-16

Publications (2)

Publication Number Publication Date
EP0702193A1 true EP0702193A1 (de) 1996-03-20
EP0702193B1 EP0702193B1 (de) 2001-11-07

Family

ID=9466999

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95402078A Expired - Lifetime EP0702193B1 (de) 1994-09-16 1995-09-14 Lampenfassung für Scheinwerfer oder Leuchte, insbesondere Kfz-Scheinwerfer bzw, -Leuchte

Country Status (4)

Country Link
EP (1) EP0702193B1 (de)
DE (1) DE69523704T2 (de)
ES (1) ES2164141T3 (de)
FR (1) FR2724713B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2335027A (en) * 1998-03-02 1999-09-08 Pag Ltd Light assembly with removable bulb holder

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007022028B4 (de) * 2007-05-11 2016-10-20 Automotive Lighting Reutlingen Gmbh Beleuchtungseinrichtung für ein Fahrzeug, insbesondere Kraftfahrzeugscheinwerfer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2223626A1 (en) * 1973-03-28 1974-10-25 Sev Marchal Headlamp with main and auxiliary reflectors - has auxiliary lamp taper plug mounting section fitting in mating socket
DE3410463C1 (de) * 1984-03-22 1985-04-18 Ford-Werke AG, 5000 Köln Scheinwerfer oder Leuchte fuer Kraftfahrzeuge

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2223626A1 (en) * 1973-03-28 1974-10-25 Sev Marchal Headlamp with main and auxiliary reflectors - has auxiliary lamp taper plug mounting section fitting in mating socket
DE3410463C1 (de) * 1984-03-22 1985-04-18 Ford-Werke AG, 5000 Köln Scheinwerfer oder Leuchte fuer Kraftfahrzeuge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2335027A (en) * 1998-03-02 1999-09-08 Pag Ltd Light assembly with removable bulb holder
GB2335027B (en) * 1998-03-02 2001-09-26 Pag Ltd Lamp assembly

Also Published As

Publication number Publication date
ES2164141T3 (es) 2002-02-16
DE69523704D1 (de) 2001-12-13
FR2724713B1 (fr) 1997-01-24
DE69523704T2 (de) 2002-08-08
EP0702193B1 (de) 2001-11-07
FR2724713A1 (fr) 1996-03-22

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