FR3100773A1 - fitting of bumper for motor vehicle - Google Patents

Abstract

The invention relates to a bumper arrangement (1) comprising a bumper skin extension detachably attached to a bumper skin (11) via a hinge (151) forming a fastener (15) and allowing a rotational movement of the bumper skin extension (12) relative to the bumper skin (11) relative to an axis of rotation (O). The bumper skin extension (12) extending in line with the bumper skin (11) to locate an upper longitudinal end (121) of said bumper skin extension (12) in close proximity to a lighting and / or signaling device (10), so as to close at least a lower part (101) thereof. According to a second aspect, the invention also relates to a motor vehicle comprising such a bumper arrangement (1). Figure to be published with the abstract: Fig. 3

Description

fitting of bumper for motor vehicle

The technical context of the present invention is that of protective devices for automotive vehicle lighting devices. More particularly, the invention relates to a bumper arrangement.

In the prior art, lighting and / or signaling devices for motor vehicles are known. Such lighting and / or signaling devices generally comprise at least one lighting source and an optical system making it possible to shape a projected lighting beam intended to illuminate a part of the road located in front of the motor vehicle and / or emit a light signaling signal, such as for example a flashing light.

In known manner, such lighting and / or signaling devices are then encapsulated in a case and welded to a closing glass in order to protect the lighting and / or signaling devices during the operation of the motor vehicle.

Depending on the geometry of the closing windows of the lighting and / or signaling devices, the technical connection between a bumper element located below these lighting and / or signaling devices may be difficult to obtain. More specifically, depending on the range of finishes of the same vehicle, the shape and geometry of the closing glass of the lighting and / or signaling device varies, making it impossible to keep the same bumper elements between them. different ranges of the same vehicle. The object of the present invention is to propose a new arrangement for a bumper for a motor vehicle in order to respond at least to a large extent to the above problems and also to lead to other advantages.

Another aim of the invention is to provide a modular solution that can be used in the different ranges of the same motor vehicle in order to protect the lighting and / or signaling devices during their operation.

Another object of the invention is to facilitate the assembly of such a bumper arrangement on a motor vehicle in order to reduce manufacturing costs.

According to a first aspect of the invention, at least one of the aforementioned objectives is achieved with a bumper arrangement for a motor vehicle, the bumper arrangement comprising (i) a front lighting and / or signaling device, ( ii) a bumper skin located below the lighting and / or signaling device, (iii) a bumper skin extension fixed integrally to an upper longitudinal end of the bumper skin by means of an organ fixing, the bumper skin extension being configured to protect a lower part of the motor vehicle lighting and / or signaling device. In the bumper arrangement according to the first aspect of the invention, the member for fixing the bumper skin extension to the bumper skin forms a hinge

The fastener thus makes it possible to fix the bumper skin extension integrally on the bumper skin through an articulated connection which allows mobility of the bumper skin extension relative to the bumper skin. More specifically, in the context of the invention, the member for attaching the bumper skin extension to the bumper skin forms a hinge in order to allow the bumper skin extension to be pivoted relative to the bumper skin. bumper.

The hinge forming the attachment member of the bumper skin extension to the bumper skin is thus configured to take any angular configuration between an open configuration and a closed configuration. The angular configuration of the hinge is understood to be its rotation around its axis of rotation. In the open angular configuration of the hinge, the bumper skin extension is free to rotate about the axis of rotation of the hinge. This angular configuration corresponds to an assembly configuration of the bumper arrangement. In the closed angular configuration of the hinge, the bumper skin extension is configured in its assembled and final configuration, as found when the bumper arrangement is implemented on the motor vehicle with which it is intended. to collaborate.

In the context of the invention, the protection of the lighting and / or signaling device of the motor vehicle means the extension of the bumper skin configured to cover at least a lower part of the lighting device and / or signaling during assembly. In other words, the bumper skin extension is configured to close at least the lower part of the lighting and / or signaling device.

This advantageous configuration thus makes it possible to protect the lighting and / or signaling device during the operation of the motor vehicle. In addition, the production of such an extension of the bumper skin located at the level of the longitudinal end of the bumper skin allows it to be adapted to numerous geometries and / or shapes and / or location of the lighting device and / or signaling, thus avoiding leaving openings on the front face of the motor vehicle when the lighting and / or signaling device is mounted therein. Consequently, the invention in accordance with its first aspect makes it possible to optimize production costs and facilitate its industrialization.

In the context of the invention, the lower part of the lighting and / or signaling device is that located near the bumper, relative to an upper part of said lighting and / or signaling device which is located near the bumper. a windshield of the motor vehicle.

The bumper arrangement in accordance with the first aspect of the invention advantageously comprises at least one of the improvements below, the technical characteristics forming these improvements being able to be taken alone or in combination:

- An axis of rotation of the hinge forming the fixing member is parallel or substantially parallel to the upper longitudinal end of the bumper skin;

- the hinge forming the fastener comprises a first hinge member formed on the upper longitudinal end of the bumper skin, and a second hinge member formed on the lower longitudinal end of the bumper skin extension. The first hinge member is configured to collaborate with the second hinge member to integrally secure the bumper skin extension to the bumper skin while allowing relative rotational movement between them. More particularly, a collaboration of the first hinge member with the second hinge member is of the type of a pivot;

- the hinge is of the type of a clip hinge, the first hinge element being configured to be detachably attached to the second hinge element. This advantageous configuration makes it easier to assemble the bumper skin extension to the bumper skin. By way of non-limiting example, the first hinge element can take the form of at least one cylindrical bearing surface extending along an axis of rotation, and the second hinge element can take the form of at least one collaborating clip. with each at least one cylindrical bearing forming the first hinge element, each clip forming a jaw capable of pivoting around the corresponding cylindrical bearing with which it collaborates by engaging complementary shapes. Advantageously, the first hinge element comprises two coaxial cylindrical surfaces; and the second hinge element comprises two clips located opposite. Alternatively, the second hinge element may comprise at least one cylindrical bearing surface - and preferably two coaxial cylindrical bearing surfaces - and the first hinge element may comprise at least one clip - and preferably two clips - forming a jaw capable of pivoting around the cylindrical bearing surface. correspondent with whom he collaborates;

- the first hinge element is configured to be snapped with the second hinge element;

the bumper arrangement in accordance with the first aspect of the invention comprises a fixing support configured to allow a detachable fixing of the bumper skin extension on said fixing support, the fixing support being secured to the bumper skin . Thus, the bumper skin extension is fixed to the fixing support by means of a clipping, the bumper skin extension comprising clipping members collaborating with complementary clipping members located on the fixing support. . In this case, in the open angular configuration of the hinge forming the attachment member of the bumper skin extension to the bumper skin, the bumper skin extension is not integrally attached to the attachment bracket; and in the closed angular configuration of the hinge, the bumper skin extension is securely attached to the mounting bracket;

- The bumper arrangement in accordance with the first aspect of the invention comprises a bumper reinforcement on which the bumper skin is secured. Advantageously, the fixing support is detachably attached to the bumper reinforcement. Thus, when the hinge forming the member for fixing the bumper skin extension on the bumper skin is in its closed angular configuration, the bumper skin extension is on the one hand fixed integrally and removably to the bumper skin by means of the fixing member forming the hinge, and on the other hand the bumper skin extension is fixed to the fixing support which is itself fixedly attached to the bumper reinforcement on which the bumper skin is attached. This advantageous configuration makes it possible to be able to couple a plurality of different shapes for the extension of the bumper skin - depending on the different types of motor vehicles - with the bumper skin while guaranteeing a good level of quality, robustness and durability of these. different technical parts;

- the mounting bracket is attached to the bumper reinforcement via at least one mounting screw. Preferably, the mounting bracket is attached to the bumper reinforcement by means of exactly two mounting screws;

- the bumper reinforcement is located below the bumper skin, so that the bumper reinforcement is not visible when the bumper skin is secured to it. Preferably, the bumper skin is clipped onto the bumper reinforcement;

- the bumper skin extension is formed by a plastic part. This configuration advantageously reduces manufacturing costs and facilitates the manufacturing processes of the bumper skin extension. Generally, the bumper skin extension and / or the mounting bracket and / or the bumper reinforcement and / or the bumper skin are formed from plastic.

According to a second aspect of the invention, there is proposed a motor vehicle comprising at least one bumper arrangement according to the first aspect of the invention or according to any one of its improvements, each at least one bumper arrangement being associated with one of the front lighting and / or signaling devices of the motor vehicle in order to close at least the lower part of the corresponding lighting and / or signaling device.

Various embodiments of the invention are provided, integrating, according to all of their possible combinations, the various optional features set out here.

Other characteristics and advantages of the invention will become apparent from the following description on the one hand, and from several exemplary embodiments given by way of indication and not limiting with reference to the appended schematic drawings on the other hand, in which :

illustrates a perspective view of a motor vehicle according to the second aspect of the invention and comprising an arrangement according to the first aspect of the invention;

illustrates a sectional view of the arrangement according to the first aspect of the invention and being assembled on the motor vehicle, the hinge forming the fixing member being in its open angular configuration;

illustrates a sectional view of the arrangement of FIGURE 2 mounted on the motor vehicle, the hinge forming the fixing member being in its closed angular configuration;

illustrates a rear perspective view of the arrangement shown in FIGURE 3.

Of course, the characteristics, the variants and the different embodiments of the invention can be associated with one another, in various combinations, insofar as they are not incompatible or mutually exclusive. It is in particular possible to imagine variants of the invention comprising only a selection of characteristics described below in isolation from the other characteristics described, if this selection of characteristics is sufficient to confer a technical advantage or to differentiate the invention from in the state of the prior art.

In particular, all of the variants and all of the embodiments described can be combined with each other if there is nothing to prevent this combination from a technical point of view.

In the figures, the elements common to several figures retain the same reference.

With reference to FIGURE 1, a motor vehicle 2 according to the second aspect of the invention comprises a bumper arrangement 1 associated with each of the lighting and / or signaling devices 10 before the motor vehicle 2. Each bumper arrangement 1 comprises a bumper skin 11 located below the corresponding lighting and / or signaling device 10 and a bumper skin extension 12 located at an upper longitudinal end of the bumper skin 12 in order to close at least a lower part 101 of the lighting and / or signaling device 10 of the motor vehicle 2.

The bumper arrangement 1 will now be described in more detail with reference to FIGURES 2 to 4.

In general, the bumper arrangement 1 in accordance with the first aspect of the invention comprises (i) the front lighting and / or signaling device 10 of a motor vehicle 2, the bumper skin 11 and the extension of bumper skin 12 to protect the lower part 101 of the lighting and / or signaling device 10. The bumper skin extension 12 is integrally fixed to an upper longitudinal end 121 of the bumper skin by means of 'a fixing member 15 forming a hinge 151.

In the exemplary embodiment illustrated and visible more particularly in FIGURE 2, the bumper arrangement 1 is particularly suited to lighting and / or signaling devices 10 of the type provided with closing glass 103: the extension of bumper skin 12 extends longitudinally to a lower end of a lighting beam projected by the lighting and / or signaling device 10 in order to prevent the bumper skin extension 12 from cutting said lighting beam. As visible in FIGURE 3, an upper longitudinal end 121 of the bumper skin extension 12 is located near the lower part 101 of the lighting and / or signaling device 10 in order to prevent open areas of said device. lighting and / or signaling device 10 are present on the front face of the motor vehicle 2. In other words, the upper longitudinal end 121 of the bumper skin extension 12 is located near and just below a shaping optic 102 of the lighting and / or signaling device 10.

The bumper skin extension 12 is advantageously made of plastic.

In order to facilitate its assembly, the bumper skin extension 12 is secured to the bumper skin 11 by means of the fixing member 15 forming the hinge 151. It is thus possible to cause the hinge 151 to pivot around it. its axis of rotation O in order to configure it in any angular configuration between an open configuration visible in FIGURE 2, and a closed configuration visible in FIGURE 3.

The axis of rotation O of the hinge 151 forming the fixing member 15 is parallel or substantially parallel to the upper longitudinal end 112 of the bumper skin 11.

The hinge 151 includes a first hinge member formed on the upper longitudinal end 112 of the bumper skin 11, and a second hinge member formed on the lower longitudinal end 122 of the bumper skin extension 12. The first hinge element is configured to collaborate with the second hinge element in order to fix integrally the bumper skin extension 12 on the bumper skin 11 while allowing a rotational movement between them, relative to the axis of rotation O.

The hinge 151 is of the type of a clip hinge, the first hinge member being configured to be releasably attached to the second hinge member. The first hinge element can take the form of one or more coaxial cylindrical seat (s) and extending along the axis of rotation O, and the second hinge element can take the form of one or more a clip collaborating with each cylindrical bearing forming the first hinge element. In other words, each clip forms a jaw capable of pivoting around the corresponding cylindrical seat with which it collaborates by engaging complementary shapes.

The first hinge member is configured to snap into place with the second hinge member.

In addition to its connection via the hinge 151, the bumper skin extension 12 is also indirectly secured to the bumper skin 11 by means of an intermediate fixing piece located between the bumper skin 11 and the skin extension. bumper 12. In the exemplary embodiment illustrated in FIGURES 2 to 4, the bumper arrangement 1 comprises:

a fixing support 13 visible in FIGURES 2 to 4 and configured to allow a detachable fixing of the bumper skin extension 12 on said fixing support 13. Thus, in this case, the skin extension of bumper 12 is then - on the one hand - integrally linked to the bumper skin 11 by means of the hinge 151 forming the fixing member 13; and - on the other hand - the bumper skin extension 12 is fixedly and detachably attached to the fixing support 13 when the hinge 151 is in its closed angular configuration;

- A bumper reinforcement 14 visible in FIGURE 4 and secured to the bumper skin 11, the fixing support 13 being detachably attached to the bumper reinforcement 14.

Advantageously, when the hinge 151 is configured in its closed angular configuration, the bumper skin extension 12 is fixed to the fixing support 13 by means of a clipping, the bumper skin extension 12 comprising clipping members 125 collaborating with complementary clipping members 131 located on the fixing support 13.

The bumper reinforcement 14 and the mounting bracket 13 are located below the bumper skin 11 and the bumper skin extension 12, so that the bumper reinforcement 14 and the mounting bracket 13 are not visible when the bumper skin extension 12 is assembled on the bumper skin 11 through them.

The mounting bracket 13 is attached to the bumper reinforcement 14 via at least one mounting screw. In the exemplary embodiment shown in FIGURE 4, the mounting bracket 13 is attached to the bumper reinforcement 14 by means of two mounting screws 132 working with threaded protrusions 141 located opposite the bumper reinforcement 14.

In order to assemble the bumper arrangement 1 according to the first aspect of the invention, and as visible in FIGURE 2, the bumper extension 12 is first engaged on the bumper skin 11, respectively at the level of the bumper. the lower longitudinal end 122 of the bumper skin extension 11 and of the upper longitudinal end 112 of the bumper skin 11, via the hinge 151. The hinge 151 is then placed in its open angular configuration, so that the upper longitudinal end 121 of the bumper extension 12 remains free and disconnected from the closing glass 103 of the lighting and / or signaling device 10. Then, the assembly formed in particular by the bumper skin 11 and the bumper skin extension 12 - and possibly the fixing support 13 - is brought to bear against the closing glass 103 of the lighting and / or signaling device 10 according to a displacement X illustrated by the arrow on the figure. FIGURE 2 towards said lighting and / or signaling device 10.

Once in position against the lighting and / or signaling device 10, and as visible in FIGURE 3, the bumper skin extension 12 is pivoted about the axis of rotation O of the hinge 151 in order to configure said hinge 151 in its closed angular configuration. The pivoting of the bumper skin extension 12 around the axis of rotation O of the hinge 151 is illustrated in FIGURE 3 by the arrow R. In this angular configuration, the bumper skin extension 12 is then clipped. on the fixing support 13 by means of the clipping members 125 located at a distance from the hinge 151, on the side of the upper longitudinal end 121 of the bumper skin extension 12.

In summary, the invention relates to a bumper arrangement 1 comprising an extension of the bumper skin 12 detachably attached to a bumper skin 11 by means of a hinge 151 forming a fastening member 15 and allowing movement of the bumper. rotation of the bumper skin extension 12 relative to the bumper skin 11 relative to an axis of rotation O. The bumper skin extension 12 extends in the extension of the bumper skin 11 in order to locate a upper longitudinal end 121 of said extension of the bumper skin 12 in the immediate vicinity of a lighting and / or signaling device 10, so as to close at least a lower part 101 thereof. According to a second aspect, the invention also relates to a motor vehicle 2 comprising such a bumper arrangement 1.

Of course, the invention is not limited to the examples which have just been described and numerous modifications can be made to these examples without departing from the scope of the invention. In particular, the different characteristics, shapes, variants and embodiments of the invention can be associated with each other in various combinations as long as they are not incompatible or mutually exclusive. In particular, all the variants and embodiments described above can be combined with one another.

Claims (8)

Arrangement of a bumper (1) for a motor vehicle (2), the fitting of a bumper (1) comprising:
- a front lighting and / or signaling device (10);
- a bumper skin (11) located below the lighting and / or signaling device (10);
- a bumper skin extension (12) integrally fixed to an upper longitudinal end (112) of the bumper skin (11) by means of a fixing member, the bumper skin extension (12) being configured to protect a lower part (101) of the lighting and / or signaling device (10) of a motor vehicle (2),
characterized in that the member for fixing the bumper skin extension (12) to the bumper skin (11) forms a hinge. Bumper arrangement (1) according to the preceding claim, wherein the hinge forming the fixing member comprises a first hinge element formed on the upper longitudinal end (112) of the bumper skin (11), and a second element hinge formed on the lower longitudinal end of the bumper skin extension (11). A bumper arrangement (1) according to the preceding claim, wherein the hinge is of the type of a clip hinge, the first hinge member being configured to be releasably attached to the second hinge member. A bumper arrangement (1) according to the preceding claim, wherein the first hinge member is configured to snap into place with the second hinge member. A bumper arrangement (1) according to the preceding claim, wherein the bumper arrangement (1) comprises an attachment bracket (13) configured to allow releasable attachment of the bumper skin extension (12) to said bumper support (12). fixing (13), the fixing support (13) being secured to the bumper skin (11). Bumper arrangement (1) according to any one of the preceding claims, in which the bumper arrangement (1) comprises a bumper reinforcement (14) to which the bumper skin (11) is secured. A bumper arrangement (1) according to the preceding claim taken in combination with claim 5, wherein the mounting bracket (13) is releasably attached to the bumper reinforcement (14). Motor vehicle (2) comprising at least one bumper arrangement (1) according to any one of the preceding claims, each at least one bumper arrangement (1) being associated with one of the lighting and / or signaling devices (10) front of the motor vehicle (2) in order to close at least the lower part (101) of the corresponding lighting and / or signaling device (10).