EP1108950A1 - Kraftfahrzeugscheinwerfer mit verbesserten Lampenverriegelungsmitteln - Google Patents

Kraftfahrzeugscheinwerfer mit verbesserten Lampenverriegelungsmitteln Download PDF

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Publication number
EP1108950A1
EP1108950A1 EP00403193A EP00403193A EP1108950A1 EP 1108950 A1 EP1108950 A1 EP 1108950A1 EP 00403193 A EP00403193 A EP 00403193A EP 00403193 A EP00403193 A EP 00403193A EP 1108950 A1 EP1108950 A1 EP 1108950A1
Authority
EP
European Patent Office
Prior art keywords
ring
lamp
reflector
elastically deformable
projector according
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
EP00403193A
Other languages
English (en)
French (fr)
Other versions
EP1108950B1 (de
Inventor
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 EP1108950A1 publication Critical patent/EP1108950A1/de
Application granted granted Critical
Publication of EP1108950B1 publication Critical patent/EP1108950B1/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
    • 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 present invention relates to vehicle headlights automobile.
  • the invention relates to a projector comprising improved means of fixing a lamp in a reflector of the projector.
  • the angular position of the lamp relative to the reflector is fixed by coding means, and the spring prevents removing the lamp.
  • the object of the invention is to make it possible to produce a spotlight for motor vehicle comprising means for fixing a lamp standard such as those used in a known manner with springs of locking, while significantly reducing the associated inconvenience to fixings by locking springs.
  • the invention proposes a spotlight for motor vehicle comprising a lamp mounted in a reflector and means for locking the position of the lamp in the reflector, characterized in that the locking means comprise an element elastically deformable and a rigid element, the two elements being movable relative to each other according to at least one degree of freedom and cooperating together during their relative movement relative to each other to deform the elastically deformable element and bring parts of this element covering a part of the lamp, so as to lock the position of the lamp with respect to the reflector, and in that the elastically deformable element comprises fingers engaged in respective openings of the rigid element, said openings extending along median lines that do not correspond to arcs of a circle centered on the center of the rigid element, so that when rotating the elastically deformable element relative to the rigid element, the cooperation of each finger and the walls of the respective opening in which the finger is engaged causes the element to deform elastically deformable.
  • the locking means comprise an element elastically deformable and a rigid element, the two elements being movable relative to
  • Figures 1 and 2 show the layout structure carried by the rear surface of a reflector wall 10 of a headlamp according to the invention, Figure 1 being an elevation view from behind.
  • thermoset registered trademark
  • Figures 4 to 6 show all or part of a ring 30 intended to be placed and maintained between the rear fittings of the reflector and cover 20.
  • This ring made of a material elastically deformable such as flexible steel or plastic, has a circular geometry in the absence of any external constraint.
  • Figure 4 shows the ring in its state called “of unlocking "(we will specify later in this text what the lock and how it is obtained).
  • the ring 30 is made in one piece, and comprises two fingers 31 and 32 projecting perpendicularly out of the same surface of the ring (corresponding to the surface 300 facing the observer on the Figure 4), the two fingers being diametrically opposite.
  • Figure 5 shows the geometry of the finger 31 in the particular example described here; however the fingers can have different geometry.
  • the outside radius of the ring 30 is constant, but its radius interior is not: the ring has indeed two sections 310 and 320 diametrically opposite and whose width between the outer edge of the section and its inner edge has a first value I, but also two other diametrically opposite sections 311 and 321, which join the two sides of the ring sections 310 and 320, the width L of sections 311 and 312 being greater than I, their internal radius being less than that of sections 310 and 320.
  • the fingers 31 and 32 are located in the zones medians of the respective sections 311 and 312.
  • Figure 6 shows the ring 30 when applying a inward radial stress on each finger 31, 32 (such constraints being represented by arrows). Under the effect of such opposite constraints, the ring deforms and takes an elliptical shape, Sections 311 and 312 then approach. In this figure, we have shown in dotted lines the shape of the ring in the absence of any constraint.
  • Figures 4 and 6 show the ring with two different angular positions relative to a linked reference axis X to the housing 20. The meaning of these two angular positions will appear below.
  • Figures 7 and 8 show, seen from the rear, the means for locking according to the invention a lamp 40 of the “H7” standard type engaged in the opening 11 of the wall of the reflector.
  • the cover 20 and the ring 30 have been assembled to cooperate together so that the cup can be selectively blocked 41 of the lamp 40 so that any movement of the lamp backwards is prohibited.
  • Said cup is supported on the surface 12 of the wall of the reflector, through bosses. Since everything movement of the lamp in a plane parallel to that of the cup is by otherwise prohibited by the cooperation of conventional legs B of the cup of the lamp, with complementary arrangements of the reflector (said reflector arrangements being only partially shown on the shown by the notch 120 in the peripheral wall of the opening 11), prohibition of lamp movements in one direction perpendicular to the plane of the cup 41 is equivalent to locking the lamp.
  • the ring 30 is mounted on the crown 13 so as to surround the guides 131 and 132 with which the inner wall of sections 310 and 320 of the ring cooperates to guide the ring in rotation around an axis coinciding with the axis of the lamp.
  • the cover 20 (only part of which is shown in FIG. 7) has been mounted behind the ring 30 so as to cover it from the rear, the fingers 31 and 32 of the ring being during this assembly of the cover engaged in the two respective hood openings (only opening 211 being shown in Figure 7).
  • the grooved portion 22 of the cover was then fitted into the groove 14 in the wall of the reflector, so that the cover is fixed relative to to the reflector and holds the ring 30.
  • the invention is not limited to the embodiment particular shown above in which a fixed rigid element (cover 20) cooperates with an elastically deformable and mobile element (ring 30). It is in particular possible to provide a mobile rigid element, while the elastically deformable element and covering selectively part of the lamp cup is fixed relative to to the reflector.
  • the rigid element differently (corresponding here to the casing 20) and the elastically deformable element whose a part partially covers the cup of the lamp in order to lock its position, the important thing is that during the relative movement of the elastically deformable element relative to the rigid element, these two elements cooperate to deform the elastically deformable element so that certain parts of it at least partially cover the cup 41 of the lamp and lock, thus its position in the reflector.
  • the relative movement of the elastically deformable element relative to the rigid element is a rotation around an axis coincident with that of the lamp as in the example described above; it is also possible to combine these two elements so that they cooperate according to any other degree of freedom (translation, translation-rotation, screwing, ).

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP00403193A 1999-12-15 2000-11-16 Kraftfahrzeugscheinwerfer mit verbesserten Lampenverriegelungsmitteln Expired - Lifetime EP1108950B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9915811A FR2802614B1 (fr) 1999-12-15 1999-12-15 Projecteur de vehicule automobile comprenant des moyens perfectionnes de verrouillage de lampe
FR9915811 1999-12-15

Publications (2)

Publication Number Publication Date
EP1108950A1 true EP1108950A1 (de) 2001-06-20
EP1108950B1 EP1108950B1 (de) 2006-11-29

Family

ID=9553284

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00403193A Expired - Lifetime EP1108950B1 (de) 1999-12-15 2000-11-16 Kraftfahrzeugscheinwerfer mit verbesserten Lampenverriegelungsmitteln

Country Status (4)

Country Link
EP (1) EP1108950B1 (de)
DE (1) DE60032104T2 (de)
ES (1) ES2276667T3 (de)
FR (1) FR2802614B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101900284B (zh) * 2009-05-27 2012-08-29 市光工业株式会社 车辆用灯具

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1231463A (de) * 1967-05-08 1971-05-12
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1231463A (de) * 1967-05-08 1971-05-12
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101900284B (zh) * 2009-05-27 2012-08-29 市光工业株式会社 车辆用灯具

Also Published As

Publication number Publication date
ES2276667T3 (es) 2007-07-01
FR2802614A1 (fr) 2001-06-22
DE60032104D1 (de) 2007-01-11
DE60032104T2 (de) 2007-06-28
FR2802614B1 (fr) 2002-05-24
EP1108950B1 (de) 2006-11-29

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