Vehicle headlamp projector

Abstract

The invention relates to a vehicle headlamp projector (1) comprising: - a housing (2), comprising: an inner surface (20), delimiting a receiving volume, and comprising at least one indexing cavity; an outer surface (21), comprising at least one protuberance (210) formed by the indexing cavity; - a mask (3), arranged to mask at least part of the inner surface (20), and comprising an indexing element (30) arranged in the indexing cavity; - a set of optical modules; - a headlamp projector glass (4) mounted on the housing (2) above the mask (3) and the set of optical modules; - at least one elastically deformable interface part (5) intended to be interposed between the outer surface (21) of the housing (2) and an element of the vehicle such as a bodyshell side; characterized in that the interface part (5) is glued to the protuberance (210) formed by the indexing cavity.

Description

[0001] DESCRIPTION

[0002] TITLE: Vehicle Headlight Projector

[0003] The present invention claims priority from French application 2301820 filed on 02 / 28 / 2023, the content of which (text, drawings and claims) is incorporated herein by reference.

[0004] Technical field

[0005] The invention relates to the technical field of vehicle headlight projectors.

[0006] The invention finds its application in particular in the rear headlights of a motor vehicle.

[0007] State of the art

[0008] A vehicle headlight projector, particularly a rear headlight, typically includes interface parts between the headlight housing and a vehicle component (e.g. body side, fender, bumper, etc.). These interface parts are generally made in the form of elastically deformable tabs, and make it possible to attenuate or even eliminate vibrations caused by a collision between the housing and the vehicle component. Such collisions generate unpleasant or even disturbing noises for vehicle passengers. Furthermore, such collisions can cause damage (or even breakage) to the headlight glass, which then requires replacement of the headlight glass in an after-sales service. The more fragile the headlight glass, the greater the risk of damage or breakage.

[0009] A headlight projector of a vehicle known from the state of the art, in particular from document FR 3 118 733 A1, comprises ribs or walls which serve as support for the elastically deformable tabs on the periphery of the housing.

[0010] Such a headlight projector of a vehicle of the state of the art is not entirely satisfactory insofar as the presence of such ribs (or walls) complicates the design of the housing.

[0011] Statement of the invention

[0012] The invention aims to remedy all or part of the aforementioned drawbacks. To this end, the invention relates to a vehicle headlight projector, comprising:

[0013] - a housing, comprising: an internal surface, delimiting a receiving volume, and comprising at least one indexing cavity; an external surface, opposite the internal surface, comprising at least one protuberance formed by the indexing cavity;

[0014] - a mask, arranged in the receiving volume to mask at least part of the internal surface, and comprising an indexing element arranged in the indexing cavity;

[0015] - a set of optical modules, arranged in the reception volume, each optical module being intended to provide a lighting function or a signaling function;

[0016] - a projector glass, mounted on the housing above the mask and the set of optical modules;

[0017] - at least one elastically deformable interface part, intended to be interposed between the external surface of the housing and an element of the vehicle such as a body side; remarkable in that the interface part is glued to the protuberance formed by the indexing cavity.

[0018] Thus, such a projector according to the invention makes it possible to simplify the design of the housing by taking advantage of the protuberance formed by the indexing cavity to serve as a support for the interface part, for example an elastically deformable tab.

[0019] The projector according to the invention may comprise one or more of the following characteristics.

[0020] According to a characteristic of the invention, the protuberance formed by the indexing cavity has a flat surface on which the interface part is glued.

[0021] Thus, one advantage provided is the stability and ease of bonding provided by such a flat surface.

[0022] According to a characteristic of the invention, the flat surface has a rectangular section. Thus, an advantage provided is ease of adaptation to the shape of the interface part. According to a characteristic of the invention, the indexing cavity has a rectangular section.

[0023] Thus, one advantage provided is the ease of manufacturing such an indexing cavity.

[0024] According to a characteristic of the invention, the interface part is made of an elastomer material.

[0025] Thus, an advantage provided is to obtain elastic deformation of the interface part at lower cost.

[0026] According to a characteristic of the invention, the interface part is produced in the form of an elastic block, preferably parallelepiped.

[0027] Thus, one advantage provided is to facilitate the bonding of such an interface part.

[0028] According to a feature of the invention, the indexing element is produced in the form of a tenon. Thus, an advantage provided is to facilitate the mounting of the indexing element in the corresponding indexing cavity.

[0029] According to a characteristic of the invention, the indexing element comprises at least one rib.

[0030] Thus, one advantage is to be able to simply impose a specific orientation on the mask, in cooperation with the indexing cavity.

[0031] The invention also relates to a vehicle comprising at least one headlight according to the invention.

[0032] According to a characteristic of the invention, the projector is arranged at the rear of the vehicle.

[0033] Definitions

[0034] The term “vehicle” means any type of vehicle, in particular a motor vehicle, with a passenger compartment suitable for accommodating at least one occupant transported by the vehicle.

[0035] By "elastically deformable" we mean that the interface part is designed to deform under normal conditions of use. The deformation is elastic, that is, the interface part can return to its original shape after being deformed (reversible deformation).

[0036] By "indexing cavity" is meant a cavity designed to receive an indexing element of the mask such that the cooperation between the indexing element and the indexing cavity imposes a specific orientation on the mask.

[0037] A "headlight projector" means an optical unit adapted to form a front headlight (with the front lights) or a rear headlight (with the rear lights). Front lights include, in particular, position lights (also called "sidelights"), dipped beam headlights (also called "low beams"), main beam headlights (also called "headlights"), and fog lights. Rear lights include, in particular, brake lights, reversing lights, and fog lights.

[0038] Brief description of the drawings

[0039] Other features and advantages will become apparent in the detailed description of various embodiments of the invention, the description being accompanied by examples and references to the attached drawings.

[0040] Figure 1 is a schematic perspective view (in transparency) of a projector according to the invention, oriented towards the internal surface of the housing.

[0041] Figure 2 is a schematic sectional view of a projector according to the invention. Figure 3 is an enlarged scale view of Figure 2, illustrating in particular the protrusion and the interface part.

[0042] Figure 4 is a schematic perspective view of a projector according to the invention, oriented towards the external surface of the housing.

[0043] Figure 5 is an enlarged scale view of Figure 4, illustrating in particular the protrusion and the interface piece.

[0044] Figure 6 is an enlarged perspective view of an indexing cavity fitted to a projector according to the invention.

[0045] Figure 7 is a perspective view of a mask fitted to a projector according to the invention. Figure 8 is a perspective view on an enlarged scale of Figure 7, illustrating an indexing element of the mask.

[0046] It should be noted that the drawings described above are schematic, and are not necessarily to scale for the sake of readability and to simplify their understanding.

[0047] Detailed description of the implementation methods

[0048] Identical elements or those providing the same function will bear the same references for the different embodiments, for the sake of simplification.

[0049] An object of the invention is a headlight projector 1 of a vehicle, comprising:

[0050] - a housing 2, comprising: an internal surface 20, delimiting a receiving volume, and comprising at least one indexing cavity 200; an external surface 21, opposite the internal surface 20, comprising at least one protuberance 210 formed by the indexing cavity 200;

[0051] - a mask 3, arranged in the receiving volume to mask at least part of the internal surface 20, and comprising an indexing element 30 arranged in the indexing cavity 200;

[0052] - a set of optical modules, arranged in the reception volume, each optical module being intended to provide a lighting function or a signaling function;

[0053] - a projector glass 4, mounted on the housing 2 above the mask 3 and the set of optical modules;

[0054] - at least one interface part 5, elastically deformable, intended to be interposed between the external surface 21 of the housing 2 and an element of the vehicle such as a body side; remarkable in that the interface part 5 is glued to the protuberance 210 formed by the indexing cavity 200. Housing

[0055] Box 2 includes:

[0056] - an internal surface 20, delimiting a receiving volume, and comprising at least one indexing cavity 200;

[0057] - an external surface 21, opposite the internal surface, comprising at least one protuberance 210 formed by the indexing cavity 200.

[0058] The protuberance 210 formed by the indexing cavity 200 advantageously has a flat surface, forming a support surface on which the interface part 5 is bonded. The flat surface advantageously has a rectangular section.

[0059] The indexing cavity 200 advantageously has a rectangular section.

[0060] The projector according to the invention may comprise several indexing cavities 200 arranged on the internal surface 20 of the housing 2, thus forming several protuberances 210 facing them on the external surface 21 of the housing 2. The indexing cavities 200 and the associated protuberances 210 are preferably produced by molding.

[0061] Mask

[0062] The mask 3 is arranged in the receiving volume to mask at least a portion of the internal surface 20. The mask 3 comprises an indexing element 30 arranged in the indexing cavity 200.

[0063] The indexing element 30 is advantageously produced in the form of a tenon. The tenon can be produced in the form of a tab.

[0064] The indexing element 30 advantageously comprises at least one rib 300. By way of non-limiting example, the indexing element 30 may comprise two ribs 300 extending parallel to each other.

[0065] Optical modules

[0066] The set of optical modules (not shown) is arranged in the receiving volume.

[0067] Each optical module is intended to provide a lighting function or a signaling function.

[0068] The set of optical modules may each comprise a light source emitting in the visible range. The light source of each optical module advantageously comprises a set of emitters, which may be light-emitting diodes.

[0069] The transmitter assembly is mounted on an electronic card.

[0070] As non-limiting examples, optical modules can provide the following functions:

[0071] - signaling, in particular to signal braking, a change of direction, etc.,

[0072] - conventional lighting, allowing users to be seen in cases of low light intensity (dusk, night, tunnel, etc.),

[0073] - anti-fog lighting, mainly allowing users to be seen in fog, heavy rain, snowfall, etc.

[0074] Projector glass

[0075] The projector glass 4 is mounted on the housing 2 above the mask 3 and the set of optical modules.

[0076] By way of non-limiting example, the projector glass 4 may be made of polymethyl methacrylate (PMMA).

[0077] Interface part

[0078] The elastically deformable interface part 5 is intended to be interposed between the external surface 21 of the housing 2 and an element of the vehicle such as a body side, a wing, a bumper, etc. The interface part 5 is glued to the protuberance 210 formed by the indexing cavity 200, for example using an adhesive film.

[0079] The interface part 5 is advantageously made of an elastomeric material such as rubber.

[0080] The interface part 5 is advantageously produced in the form of an elastic block (“pad” in English), preferably parallelepiped.

[0081] Vehicle

[0082] An object of the invention is a vehicle comprising at least one headlight 1 according to the invention. The headlight 1 is advantageously arranged at the rear of the vehicle.

[0083] The invention is not limited to the embodiments disclosed. Those skilled in the art are able to consider their technically effective combinations and to substitute equivalents for them.

Claims

CLAIMS 1. Headlight (1) of a vehicle, comprising: - a housing (2), comprising: an internal surface (20), delimiting a receiving volume, and comprising at least one indexing cavity (200); an external surface (21), opposite the internal surface (20), comprising at least one protuberance (210) formed by the indexing cavity (200); - a mask (3), arranged in the receiving volume to mask at least part of the internal surface (20), and comprising an indexing element (30) arranged in the indexing cavity (200); - a set of optical modules, arranged in the reception volume, each optical module being intended to provide a lighting function or a signaling function; - a projector glass (4), mounted on the housing (2) above the mask (3) and the set of optical modules; - at least one interface part (5), elastically deformable, intended to be interposed between the external surface (21) of the housing (2) and an element of the vehicle such as a body side; characterized in that the interface part (5) is glued to the protuberance (210) formed by the indexing cavity (200).

2. Projector (1) according to claim 1, in which the protuberance (210) formed by the indexing cavity (200) has a flat surface on which the interface part (5) is glued.

3. Projector (1) according to claim 2, wherein the flat surface has a rectangular section.

4. Projector (1) according to one of claims 1 to 3, in which the indexing cavity (200) has a rectangular section.

5. Projector (1) according to one of claims 1 to 4, in which the interface part (5) is made of an elastomeric material.

6. Projector (1) according to one of claims 1 to 5, in which the interface part (5) is produced in the form of an elastic block, preferably parallelepiped.

7. Projector (1) according to one of claims 1 to 6, wherein the indexing element (30) is in the form of a tenon.

8. Projector (1) according to one of claims 1 to 7, wherein the indexing element (30) comprises at least one rib (300).

9. Vehicle, comprising at least one headlight (1) according to one of claims 1 to 8.

10. Vehicle according to claim 9, in which the headlight (1) is arranged at the rear of the vehicle.

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