EP2157368A1 - Optische Einheit für Fahrzeug, mit einer an dem Leuchtgehäuse aufgehängten Blende - Google Patents

Optische Einheit für Fahrzeug, mit einer an dem Leuchtgehäuse aufgehängten Blende Download PDF

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Publication number
EP2157368A1
EP2157368A1 EP09163529A EP09163529A EP2157368A1 EP 2157368 A1 EP2157368 A1 EP 2157368A1 EP 09163529 A EP09163529 A EP 09163529A EP 09163529 A EP09163529 A EP 09163529A EP 2157368 A1 EP2157368 A1 EP 2157368A1
Authority
EP
European Patent Office
Prior art keywords
screen
mask
lug
fixing
optical block
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.)
Withdrawn
Application number
EP09163529A
Other languages
English (en)
French (fr)
Inventor
Rodolphe Peron
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Publication of EP2157368A1 publication Critical patent/EP2157368A1/de
Withdrawn legal-status Critical Current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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/47—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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof

Definitions

  • the invention relates to motor vehicle light units.
  • Some motor vehicle optical units comprise a mask provided with a rear opening (possibly housing a light source) and a front opening at which is secured a screen, possibly intermediate, providing at least one optical function, as per example hide the focus and diffuse the light emitted by the light source and / or color the light (eg red or orange).
  • the screen completely closes the front opening of the mask, causing heat build-up inside the mask behind the screen.
  • the screen is fixed on the wall of the mask which defines the front opening by means of peripheral tabs clipped into grooves or housed in grooves and welded (for example by ultrasound). Because of their number, the peripheral legs and grooves must be substantially vertical, so that they are partially visible from the outside (formation of a dark area), which affects the aesthetics of the optical block. In addition, the welding of the peripheral tabs in the grooves requires a specific welding tool and prohibits the replacement of the screen when it is damaged or broken or when one wants to change its color to obtain a style effect.
  • the invention therefore aims to provide a motor vehicle optical unit that does not have all or part of the aforementioned drawbacks.
  • an optical unit for a motor vehicle comprising a mask (possibly for a light source) and a screen intended to be secured to the mask at a front opening.
  • the object of the invention is to propose an optical block (BO) intended to be implanted in a motor vehicle.
  • BO optical block
  • the optical block BO is a signal rear lamp to be installed in the rear of a motor vehicle.
  • the invention is not limited to this type of implantation. It also relates to certain optical blocks, such as headlights (or headlights), intended to be installed in the front of a motor vehicle.
  • An optical block BO comprises a housing (not shown) in which a mask is installed (see figures 1 and 4 ) to which at least one EC screen is attached (see figures 2 and 3 ).
  • the optical block BO may optionally further include a mirror (not shown) placed in front of its screen EC and secured to its housing. The EC screen is then called the intermediate screen.
  • the mask M comprises a wall rear PR, in which are defined a possible rear opening OR, intended to receive at least a portion of a possible light source (not shown), and a lower portion of a front opening OA, for receiving the EC screen , and a front wall PV, secured to the rear wall PR and delimiting an upper portion of the front opening OA.
  • a possible rear opening OR intended to receive at least a portion of a possible light source (not shown)
  • a front opening OA for receiving the EC screen
  • a front wall PV secured to the rear wall PR and delimiting an upper portion of the front opening OA.
  • front face FV of the front wall PV is a face which is intended to be oriented towards the outside (see figure 1 ), and the rear face FR of the front wall PV is the face which is intended to be oriented towards the passenger compartment of the motor vehicle (see figure 4 ).
  • the screen EC does not necessarily have dimensions substantially identical to those of the front opening OA. Indeed, as illustrated on figures 8 and 9 it is advantageous for the screen EC to partially close the front opening OA of the mask M in order to prevent the accumulation of heat inside the mask, behind the screen EC.
  • the peripheral edge BP may optionally comprise an inwardly folded portion (for example at about 90 °) which defines a flange RB.
  • the flange RB comprises the lateral sides CL1 and CL2 and the lower side CI of the peripheral edge BP.
  • the main wall PP may optionally comprise (for example on its rear face (or internal)) what the skilled person calls a billage to hide the focus.
  • the peripheral edge BP is provided on its upper side CS with a so-called upper fixing tab PF1.
  • the peripheral edge BP is also provided on at least one of its two lateral sides CLi of at least one locking lug PCi.
  • the peripheral edge BP is provided with a locking tab PCi on each of its two lateral sides CLi.
  • the front wall PV of the mask M is provided with a fixing means MF1.
  • the front wall PV of the mask M is also provided with at least one wedging means MCi.
  • the front wall PV is provided with two setting means MCi placed on either side of its fixing means MF1.
  • the fixing means MF1 is intended to cooperate with the upper fixing lug PF1 in order to fix the screen EC on the mask M in a suspended position at its front opening OA.
  • Each possible setting means MCi is intended to cooperate with the corresponding clamping pad PCi in order to wedge laterally the screen EC with respect to the mask M.
  • the screen EC is suspended from the front wall PV of the mask M, at the front opening OA, thanks to its upper fixing lug PF1, and wedged laterally. thanks to its leg (s) PCi calibration.
  • the upper fixing lug PF1 it is advantageous for the upper fixing lug PF1 to be defined substantially in the middle of the upper side CS of the peripheral edge BP of the screen EC. This central positioning is indeed optimal for the suspension of the EC screen to the extent that it ensures a good balance and prevents it from being rotated.
  • the upper attachment lug PF1 is also advantageous for the upper attachment lug PF1 to be defined in the extension of the upper side CS of the peripheral edge BP (upwards) with a slight inclination towards the rear (that is to say in the direction from the back of the EC screen).
  • the two locking tabs PCi are defined in the extension of the two lateral sides CLi (upwards) on portions which are substantially in continuity with the upper side CS of the peripheral edge BP.
  • the two chocks PCi are erected in a direction that is approximately the same as that of the upper bracket PF1. But this is not obligatory. Indeed, they could for example be erected on portions of the two lateral sides CLi which are approximately perpendicular to the upper side CS, since their function is to position the EC screen laterally.
  • the upper fixing lug PF1 may for example comprise a free end portion which is provided with a lug ER, so as to allow its clipping.
  • the fixing means MF1 may for example comprise at least one through hole TT defined in the front wall PV and arranged to receive and allow the passage of the lug ER of the upper bracket PF1.
  • This through hole TT is slightly larger than the section of the ER pin for dimensional tolerance.
  • This lug ER of the upper fixing lug PF1 is preferably oriented towards the rear face FR of the front wall PV of the mask M. But, an opposite orientation is also conceivable.
  • the fixing means MF1 may also comprise a projection (or a flat part or a step) SA in the vicinity of its through hole TT, on the rear face FR of the front wall PV of the mask M.
  • This projection SA comprises a face which defines a bearing surface for the lug ER of the upper fixing lug PF1.
  • This lug ER can thus be clipped onto the projection SA, after having passed through the through hole TT of the fastening means MF1 during the attachment of the screen EC on the mask M.
  • each clamping means MCi may comprise at least one through-hole TT which is defined in the front wall PV of the mask M and which is intended to receive and allow the passage of the end portion (free) of the corresponding locking lug PCi.
  • This through-hole TT is slightly larger than the section of the terminal portion (free) of the calibration tab PCi for a question of dimensional tolerance and to facilitate the lateral setting of the EC screen.
  • the lateral direction is that which is substantially perpendicular to the erection direction of the upper fixing lug PF1 and which extends substantially between the two lateral sides CLi of the peripheral edge BP.
  • each setting means MCi may also comprise two PC protuberances defined on the rear face FR of the front wall PV of the mask M, on either side of its through hole TT and opposite each other. These two PC protuberances may be substantially identical and substantially parallel to each other. They are intended to improve the lateral setting of the EC screen with respect to the mask M, especially at the beginning of the fixing phase.
  • the free end portions of the locking lugs PCi may also include lugs.
  • the corresponding MCi wedging means do not include a pair of protuberances PC on either side of their through hole TT.
  • the through hole TT of each wedging means MCi has a lateral dimension substantially identical (by a value greater) than that of the corresponding calibration pad PCi (which then contributes to both calibration). (or positioning) and fixing (clipping).
  • the peripheral edge BP of the screen EC may also be provided on its lower side CI with a lower PF2 fixing lug, intended to cooperate with another fixing means MF2 defined in a lower part of the rear wall PR of the mask M.
  • This lower fixing lug PF2 not only makes it possible to immobilize the screen in the lower part, but also to put under stress the upper fixing lug PF1 and the lugs PCi. In addition, it eliminates possible gaps between the mask M and the EC screen and thus eliminate any noise and vibration that these games could induce.
  • the leg of The lower fastening PF2 is defined at one end of the lower side CI of the edge RB of the peripheral edge BP of the screen EC, as illustrated in FIGS. figures 3 , 4 and 9 .
  • This eccentric positioning (and substantially perpendicular to the main wall PP of the EC screen) makes it possible to effectively hide the lower fixing lug PF2 and the associated fixing means MF2.
  • the lower fixing lug PF2 is defined in the extension of the lower side CI of the peripheral edge BP with a slight upward inclination.
  • the lower bracket PF2 may for example comprise a free end portion which is provided with a lug ER, so as to allow its clipping.
  • the fixing means (lower) MF2 may for example comprise a through hole TT defined in the rear wall PR and arranged to receive and allow the passage of the lug ER of the lower bracket PF2.
  • This through hole TT is slightly larger than the section of the ER pin for dimensional tolerance.
  • This lug ER of the lower fixing lug PF2 is preferably oriented substantially parallel to the corresponding portion of the rear face FR 'of the rear wall PR of the mask M.
  • the through hole TT of the fastening means (lower) MF2 can be defined in a step (or a recess) MR of the rear wall PR whose face through which the ER pin opens is substantially perpendicular to the part of the face rear FR '.
  • the face of the MR step which is locally substantially parallel to the local portion of the rear face FR 'of the rear wall PR can serve as a bearing surface for the lug ER of the lower bracket PF2.
  • This lug ER can thus be clipped onto the MR step, after having passed through the through hole TT of the fixing means (lower) MF2 during the final phase of fixing the EC screen on the mask M.
  • the fixing of the EC screen on the mask M can proceed as indicated below.
  • This setting makes it possible to center the screen EC and thus to pass the lug ER of the upper fixing lug PF1 through the through hole TT of the fastening means MF1.
  • the pin ER then comes to rest partially on the "upper" face of the projection SA of the fastening means MF1.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP09163529A 2008-08-21 2009-06-23 Optische Einheit für Fahrzeug, mit einer an dem Leuchtgehäuse aufgehängten Blende Withdrawn EP2157368A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0855662A FR2935114B1 (fr) 2008-08-21 2008-08-21 Bloc avant de vehicule automobile, a ecran suspendu au masque

Publications (1)

Publication Number Publication Date
EP2157368A1 true EP2157368A1 (de) 2010-02-24

Family

ID=40289248

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09163529A Withdrawn EP2157368A1 (de) 2008-08-21 2009-06-23 Optische Einheit für Fahrzeug, mit einer an dem Leuchtgehäuse aufgehängten Blende

Country Status (2)

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EP (1) EP2157368A1 (de)
FR (1) FR2935114B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3453949A1 (de) * 2017-09-12 2019-03-13 PSA Automobiles SA Optische einheit für fahrzeug mit transluzenter abdeckung von einer maske suspendiert

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546284A (en) * 1994-04-19 1996-08-13 Koito Manufacturing Co., Ltd. Automobile headlamp with extension reflector mounted on the front lense
DE19643461A1 (de) * 1996-10-22 1998-04-23 Hella Kg Hueck & Co Scheinwerfer für Fahrzeuge
EP0936402A1 (de) * 1998-02-10 1999-08-18 MAGNETI MARELLI S.p.A. Kraftfahrzeugscheinwerfer
EP0961074A2 (de) * 1998-05-29 1999-12-01 Hella KG Hueck & Co. Beleuchtungseinrichtung für Fahrzeuge
US20020167810A1 (en) * 2001-05-14 2002-11-14 Anatoly Gelfand Lamp assembly with ventilation system
DE10258293A1 (de) * 2002-12-13 2004-06-24 Hella Kg Hueck & Co. Beleuchtungseinrichtung für Fahrzeuge
EP1564483A2 (de) * 2004-02-13 2005-08-17 Valeo Sylvania L.L.C. Halterungsvorrichtung für eine Lichtblende eines Kfz-Scheinwerfers

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5546284A (en) * 1994-04-19 1996-08-13 Koito Manufacturing Co., Ltd. Automobile headlamp with extension reflector mounted on the front lense
DE19643461A1 (de) * 1996-10-22 1998-04-23 Hella Kg Hueck & Co Scheinwerfer für Fahrzeuge
EP0936402A1 (de) * 1998-02-10 1999-08-18 MAGNETI MARELLI S.p.A. Kraftfahrzeugscheinwerfer
EP0961074A2 (de) * 1998-05-29 1999-12-01 Hella KG Hueck & Co. Beleuchtungseinrichtung für Fahrzeuge
US20020167810A1 (en) * 2001-05-14 2002-11-14 Anatoly Gelfand Lamp assembly with ventilation system
DE10258293A1 (de) * 2002-12-13 2004-06-24 Hella Kg Hueck & Co. Beleuchtungseinrichtung für Fahrzeuge
EP1564483A2 (de) * 2004-02-13 2005-08-17 Valeo Sylvania L.L.C. Halterungsvorrichtung für eine Lichtblende eines Kfz-Scheinwerfers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3453949A1 (de) * 2017-09-12 2019-03-13 PSA Automobiles SA Optische einheit für fahrzeug mit transluzenter abdeckung von einer maske suspendiert
FR3071035A1 (fr) * 2017-09-12 2019-03-15 Psa Automobiles Sa Bloc optique de vehicule a ecran translucide suspendu a un masque
CN109484517A (zh) * 2017-09-12 2019-03-19 标致雪铁龙汽车股份有限公司 具有悬挂在遮蔽件上的半透明屏的运输工具光学单元
CN109484517B (zh) * 2017-09-12 2022-06-14 标致雪铁龙汽车股份有限公司 具有悬挂在遮蔽件上的半透明屏的运输工具光学单元

Also Published As

Publication number Publication date
FR2935114B1 (fr) 2011-10-14
FR2935114A1 (fr) 2010-02-26

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