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EP-4739543-A1 - MOTOR VEHICLE HEADLIGHT UNIT PROVIDED WITH MEANS FOR RETAINING THE BUMPER COVER

EP4739543A1EP 4739543 A1EP4739543 A1EP 4739543A1EP-4739543-A1

Abstract

The invention relates to a headlight unit (100) for a motor vehicle, including a casing (110) closed by cover lens (120) having a front face (121) intended to be surrounded at least partially by a bumper cover, the cover lens also having an outer rim (122) extending rearwards from and along at least part of the outer contour of the front face; said headlight unit further comprising a plurality of support elements (127) extending below the lower portion of the outer rim of the cover lens and forming bearing surfaces for the lower surface of a flange of a portion of the bumper cover, as well as a plurality of bosses (128) projecting from the lower surface of the lower portion of the outer rim and forming bearing surfaces for the upper surface of said flange, such that the latter is sandwiched vertically between the bosses and the support elements.

Inventors

  • ROYER, GUILLAUME
  • BOUDAN, Julien
  • PERON, RODOLPHE
  • GOURVENNEC, THIBAULT

Assignees

  • Stellantis Auto SAS

Dates

Publication Date
20260513
Application Date
20231208

Claims (10)

  1. [Claim 1] Optical unit (100) of a motor vehicle comprising a housing (110) containing at least one light module (M) and having an opening closed by a cover glass (120) comprising a front facade (121) intended to be surrounded at least partially by a bumper skin (200), said glass (120) also comprising an outer rim (122) extending substantially longitudinally towards the rear from and along at least part of the outer contour of said front facade (121), said optical unit (100) further comprising holding means capable of cooperating with a fallen edge (231) of a portion (230) of said skin (200) so as to manage the clearances and outcrops between this portion (230) of said skin (200) and the lower part of the outer contour of said front facade (121) of the window (120), said holding means comprising several support elements (127) extending in below the lower part of said outer edge (122) of the glass (120) and forming support surfaces for the lower face of said fallen edge (231); characterized in that said holding means also comprise several bosses (128) projecting from the lower face of said lower part of the outer rim (122) and forming bearing surfaces for the upper face of said fallen edge (231), so as to that said fallen edge (231) is sandwiched vertically between said bosses (128) and said support elements (127).
  2. [Claim 2] Optical unit (100) according to claim 1, characterized in that said bosses (128) are arranged staggered opposite said support elements (127).
  3. [Claim 3] Optical unit (100) according to one of claims 1 or 2, characterized in that said support elements (127) are aligned in a transverse direction by being spaced apart in pairs by the same predetermined transverse interval.
  4. [Claim 4] Optical unit (100) according to claim 3, characterized in that said bosses (128) are also aligned in one direction transverse by being spaced two by two from said predetermined transverse interval.
  5. [Claim 5] Optical unit (100) according to one of claims 1 to 4, characterized in that said support elements (127) extend projecting from the front face of the lower part of an external peripheral strip (123). ) the glass (120) extending said outer edge (122) and intended to be covered by said bumper skin (200).
  6. [Claim 6] Optical unit (100) according to claim 5, characterized in that each said support element (127) is in the form of a hollow stud with a longitudinal axis comprising a flat front wall (127A) and a wall side (127B) extending between this front wall (127A) and said lower part of the outer peripheral strip (123).
  7. [Claim 7] Optical unit (100) according to one of claims 1 to 6, characterized in that said support elements (127) and said bosses (128) are molded in a single piece of plastic material with said glass (120).
  8. [Claim 8] Optical unit (100) according to one of claims 1 to 7, characterized in that it comprises anti-indentation ribs (129) each taking root on a corresponding support element (127) projecting from the front of the latter and forming stops for the rear face of said portion (230) of the bumper skin (200).
  9. [Claim 9] Optical unit (100) according to claim 8, characterized in that said anti-indentation ribs (129) are molded in a single piece of plastic with said support elements (127).
  10. [Claim 10] Motor vehicle comprising at least one optical unit (100) according to one of claims 1 to 9.

Description

Description Title of the invention: Optical unit of a motor vehicle equipped with means for holding the bumper skin [Technical area] [1] The present invention claims priority from French application 2300108 filed on 01/05/2023, the content of which (text, drawings and claims) is herein incorporated by reference. The present invention relates generally to the problem of clearances and flushing between an optical unit of a motor vehicle and the bumper skin of this vehicle. It aims in particular at such an optical unit equipped with holding means capable of cooperating with a fallen edge of a portion of said bumper skin, so as to manage the clearances and flushing between this portion of said skin and the lower part of the outer contour of the front panel of the glass of this optical unit. [2] [Prior art] [3] Motor vehicles have a front panel comprising, among other things, two optical units which constitute the front lighting elements of the vehicle, and a bumper skin. [4] Such an optical unit conventionally comprises a housing enclosing at least one light module and having an opening closed by a cover glass comprising a front facade intended to be surrounded at least partially by this bumper skin. [5] Managing the clearances and flushing between these optical units and the bumper skin is essential for the aesthetics of the front of the vehicle. This bumper skin must thus be supported in the vertical direction so that the clearance between the latter and the optical units is zero or at least homogeneous. [6] To achieve this goal, one solution consists of using an intermediate piece which presses the bumper skin onto the glass of each optical unit. This The part most often called a "presser" has the function of ensuring zero play by pressing the bumper skin onto the glass of each optical unit. [7] Document FR 2 783 797 A1 discloses such a solution, the pressers are here fixed in the lower part of the technical front face of the vehicle which is itself connected to the front ends of the stretchers of this vehicle. The dispersion of the length of these stretchers induces a dispersion of the positioning of the pressers and therefore of the bumper skin so that the clearances between the optical units and the bumper skin are not properly controlled and constant. [8] In order to improve the management of the clearances between the optical units and the bumper skin, it is known in particular from document FR 2 914 265 A1 to provide directly on the glass of each optical unit holding means capable of cooperate with a fallen edge of a portion of said skin so as to manage the clearances and flushing between this portion of said skin and the lower part of the exterior contour of the front facade of the glass. [9] These holding means comprise several support elements provided below the lower part of an outer edge of the glass extending substantially longitudinally towards the rear from and along at least part of the outer contour of its front facade, these support elements forming support surfaces for the lower face of said fallen edge. [10] However, certain optical units have windows with a particular geometry and/or layout involving a greater number of flush areas between this glass and the bumper skin, so as to generate certain difficulties in managing clearances. and outcrops between certain portions of said skin and the front facade of the glass. [Disclosure of the invention] [11] The present invention aims to improve the situation. [12] For this purpose, it proposes a motor vehicle optical unit comprising a housing containing at least one light module and having an opening closed by a cover glass comprising a front facade intended to be surrounded at least partially by a bumper skin. shocks, said glass also comprising an outer rim extending substantially longitudinally towards the rear from and along at least part of the external contour of said front facade, said optical unit further comprising holding means capable of cooperating with a fallen edge of a portion of said skin so as to manage the clearances and outcrops between this portion of said skin and the lower part of the outer contour of said front facade of the window, said holding means comprising several support elements extending below the lower part of said outer edge of the window and forming support surfaces for the underside of said flange; characterized in that said holding means also comprise several bosses projecting from the lower face of said lower part of the outer rim and forming bearing surfaces for the upper face of said fallen edge, so that said fallen edge is sandwiched vertically between said bosses and said support elements. [13] The addition of these bosses thus makes it possible to ensure effective pinching of the fallen edge of the portion of bumper skin concerned so as to ensure, without generating hyperstatism, better management of the clearances and flushing between this portion of said skin and the lower part of the exterior conto