EP0578552A2 - Kfz-Scheinwerfer mit einstellbarem Reflektor - Google Patents

Kfz-Scheinwerfer mit einstellbarem Reflektor Download PDF

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Publication number
EP0578552A2
EP0578552A2 EP93401734A EP93401734A EP0578552A2 EP 0578552 A2 EP0578552 A2 EP 0578552A2 EP 93401734 A EP93401734 A EP 93401734A EP 93401734 A EP93401734 A EP 93401734A EP 0578552 A2 EP0578552 A2 EP 0578552A2
Authority
EP
European Patent Office
Prior art keywords
reflector
face
seal
integral
support part
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
EP93401734A
Other languages
English (en)
French (fr)
Other versions
EP0578552B1 (de
EP0578552A3 (de
Inventor
Laurent Duchenne
Jacques Schiettecatte
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 EP0578552A2 publication Critical patent/EP0578552A2/de
Publication of EP0578552A3 publication Critical patent/EP0578552A3/xx
Application granted granted Critical
Publication of EP0578552B1 publication Critical patent/EP0578552B1/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
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/50—Waterproofing
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/29—Attachment thereof
    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/67—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors
    • F21S41/675—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on reflectors by moving reflectors

Definitions

  • the present invention generally relates to headlamps in particular for motor vehicles, of the "optical unit” type, comprising an orientable reflector pivotally assembled on a support part mounted on a closing glass, and sealing means arranged between the reflector and said support part.
  • European patent EP 0 224 739 discloses a projector of this type, comprising a reflector connected to an annular support by two pivoting bearings and capable of pivoting by means of an adjustment device around a horizontal pivot axis in the mounting position. of the projector.
  • Said annular support is closed towards the exit of the light by a closing glass and has a part turned towards the reflector, facing a part of the reflector by covering it, an annular seal being disposed between said parts.
  • the overlapping surfaces have a generally cylindrical shape of revolution or not from their respective edge so as to allow, when mounting the projector or else during the orientation by pivoting of the reflector, a rolling movement of the annular seal. sealing between said surfaces. It should be noted that the interval between the two overlapping surfaces has a width slightly less than the diameter of the section of the annular seal so that said slightly crushed seal remains in contact with the two surfaces during its movement. rolling.
  • the present invention proposes a headlamp in particular for a motor vehicle comprising a reflector assembled with a support part, said reflector being orientable relative to said part by pivoting around at least one pivot axis.
  • an elastic peripheral seal being disposed between a face integral with the reflector and a face integral with the support part facing each other and the normals of which are appreciable: ent perpendicular to said optical axis, characterized in that said seal is fixed relative to one of the two faces, and comprises on a surface in contact with the second opposite face at least two elastic lips allowing an angular offset of one of the faces relative to the other and a sliding in a direction substantially parallel to the optical axis of the second face relative to to that which pivots, caused by the changes of orientation of the reflector.
  • the interval between the two facing faces is such that during mounting of the projector the lips of said seal are slightly compressed. Therefore, when orienting the reflector, one of the lips extends radially while the other is compressed so as to allow the angular offset of one of said faces relative to the other and the sliding of the other face, and maintain the seal between said reflector and the support part.
  • the seal comprises on said surface three elastic lips constituted by two lips adjacent to the lateral edges of said seal and a central lip.
  • the surface of said seal is a substantially cylindrical surface.
  • the pivot axis of the reflector is included in the plane of the joint.
  • said seal is fixed relative to the integral face of the reflector, and is then positioned so that its substantially cylindrical surface is in contact with the reflector and that one of its lateral edges is wedged against a stop provided on the integral face of said reflector, the surface carrying said lips being in contact with the integral face of the support part, then allowing the angular offset of the integral face of the reflector relative to the face secured to said support part and the sliding of the face secured to the support part relative to that of the reflector, caused by changes in orientation of the reflector.
  • a headlight 100 of the type "optical unit” in particular for a motor vehicle comprising a reflector 110 of optical axis XX 'carrying a lamp 120 fixed in a socket 121 placed at the bottom of said reflector.
  • This reflector 110 is assembled with a support part 130, itself connected to a closing glass 160 by means of an intermediate piece 150.
  • said reflector comprises two lateral holding fingers 111 which are capable of sliding in lateral slides 131 of said support part 130.
  • the two slides 131 advantageously have a profile in an arc of a circle, the centers of curvature of the arcs of a circle defining a horizontal axis Y-Y ', crossing the optical axis XX' perpendicular to it.
  • the reflector guided by the slides, can tilt by pivoting about the axis Y-Y 'to perform a beam adjustment in elevation.
  • the headlight 100 includes a peripheral elastic seal 140 here of essentially cylindrical shape and disposed between a solid face 112 of the reflector 110 and a solid face 132 of the support part 130 opposite one of the other, and whose normals N1, N2 are essentially perpendicular to the optical axis X-X '.
  • This cylindrical seal 140 is fixed relative to one of the faces, here the integral face 112 of the reflector 110, and comprises, as best shown in Figure 3, on an outer surface 142 in contact with the second opposite face, here the face 132 of the support part 130, three elastic lips 142a, 142b, 142c, allowing an angular offset of one of the faces with respect to the other and a sliding in a direction substantially parallel to the optical axis XX 'of the second face relative to that which pivots, caused by the changes in orientation of the reflector 110.
  • the inner surface 141 of said seal 140 opposite said outer surface 142 carrying said lips 142a, 142b, 142c is a substantially cylindrical surface.
  • the elastic lips are distributed regularly over said radial surface 142 of said seal. More particularly, in FIG. 3 there are two elastic lips 142a, 142c adjacent to the lateral edges 140a, 140b, of said seal and a central lip 142b.
  • the seal 140 is positioned so that its substantially planar inner surface is in contact with said reflector 110, that one of its side edges 140b is wedged against a stop 113 provided on the integral face 112 of the reflector 110, the external surface 142 carrying said lips 142a, 142b, 142c being in contact with the integral face 132 of the support part 130.
  • the pivoting of the reflector 110 around the axis YY ' causes an angular offset of the optical axis XX' of said reflector 110 relative to an axis substantially perpendicular to the closing glass 160.
  • the reflector 110 is oriented in such a way that its optical axis XX ′ has an angular offset ⁇ 1 equal to approximately -5 degrees relative to the axis ⁇ .
  • the upper part of the reflector 110 and of the seal 140 have slid slightly forward relative to the adjacent part of the support 130, while in the lower region, a rearward sliding s 'is produced relative to its position shown in Figure 4, in which the reflector is oriented so that its optical axis XX' is coincident with the axis ⁇ .
  • the lip 142c of said seal adjacent to the edge 140b in contact with the stop 113 has compressed radially at the top and relaxed radially at the bottom while the lip 142a of said seal adjacent to the outer edge 140a facing the closing glass 160 has relaxed, at the top and compressed at the bottom and this way the joint maintains the seal between the two parts.
  • the reflector 110 is oriented in such a way that its optical axis XX ′ has an angular offset ⁇ 2 equal to approximately + 5 degrees relative to the axis ⁇ .
  • ⁇ 2 angular offset
  • the lips 142a and 142c behave in the opposite way to that illustrated in FIG. 5, and here again the seal 140 maintains the seal between the two parts.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP93401734A 1992-07-06 1993-07-05 Kfz-Scheinwerfer mit einstellbarem Reflektor Expired - Lifetime EP0578552B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR929208312A FR2693253B1 (fr) 1992-07-06 1992-07-06 Projecteur pour véhicule automobile, comprenant un réflecteur orientale.
FR9208312 1992-07-06

Publications (3)

Publication Number Publication Date
EP0578552A2 true EP0578552A2 (de) 1994-01-12
EP0578552A3 EP0578552A3 (de) 1994-03-23
EP0578552B1 EP0578552B1 (de) 1996-10-02

Family

ID=9431583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93401734A Expired - Lifetime EP0578552B1 (de) 1992-07-06 1993-07-05 Kfz-Scheinwerfer mit einstellbarem Reflektor

Country Status (4)

Country Link
EP (1) EP0578552B1 (de)
DE (1) DE69305114T2 (de)
ES (1) ES2095600T3 (de)
FR (1) FR2693253B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0745511A3 (de) * 1995-05-30 1997-11-05 Robert Bosch Gmbh Beleuchtungseinrichtung für Fahrzeuge
EP0838368A3 (de) * 1996-10-22 1999-05-06 Hella KG Hueck & Co. Scheinwerfer für Fahrzeuge
DE19519655B4 (de) * 1995-05-30 2010-04-08 Automotive Lighting Reutlingen Gmbh An einem Frontteil eines Fahrzeugs angeordnete Beleuchtungseinrichtung
WO2011065924A1 (en) * 2009-11-24 2011-06-03 Hella Saturnus Slovenija, Proizvodnja Svetlobne Opreme Za Motorna In Druga Vozila, D.O.O. A motor vehicle light with a sealing ring between a casing and adjustable reflector

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1235402A (fr) * 1959-05-25 1960-07-08 Machal Projecteurs Projecteur étanche notamment pour véhicules automobiles
FR2445484A1 (fr) * 1978-12-27 1980-07-25 Cibie Projecteurs Perfectionnements aux projecteurs de vehicules automobiles
IT1221123B (it) * 1983-06-24 1990-06-21 Limaverne Investment Proiettore per autoveicoli regolabile e almeno parzialmente smontabile
DE3542784A1 (de) * 1985-12-04 1987-06-11 Hella Kg Hueck & Co Scheinwerfer fuer kraftfahrzeuge

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0745511A3 (de) * 1995-05-30 1997-11-05 Robert Bosch Gmbh Beleuchtungseinrichtung für Fahrzeuge
DE19519655B4 (de) * 1995-05-30 2010-04-08 Automotive Lighting Reutlingen Gmbh An einem Frontteil eines Fahrzeugs angeordnete Beleuchtungseinrichtung
EP0838368A3 (de) * 1996-10-22 1999-05-06 Hella KG Hueck & Co. Scheinwerfer für Fahrzeuge
WO2011065924A1 (en) * 2009-11-24 2011-06-03 Hella Saturnus Slovenija, Proizvodnja Svetlobne Opreme Za Motorna In Druga Vozila, D.O.O. A motor vehicle light with a sealing ring between a casing and adjustable reflector

Also Published As

Publication number Publication date
EP0578552B1 (de) 1996-10-02
DE69305114D1 (de) 1996-11-07
EP0578552A3 (de) 1994-03-23
FR2693253B1 (fr) 1994-09-30
FR2693253A1 (fr) 1994-01-07
DE69305114T2 (de) 1997-03-13
ES2095600T3 (es) 1997-02-16

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