Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
  • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
  • B60R19/24—Arrangements for mounting bumpers on vehicles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
  • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
  • B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
  • B60R2019/1886—Bumper fascias and fastening means therefor
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
  • B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
  • B60R19/24—Arrangements for mounting bumpers on vehicles
  • B60R2019/245—Arrangements for mounting bumpers on vehicles with adjusting means to compensate manufacturing tolerances, e.g. between bumper and energy absorbers

Definitions

• the invention relates to a part for providing support and positioning of a bodywork part juxtaposed to an opening.
• the invention relates to a motor vehicle bumper support piece intended to be fixed to the body of said vehicle and to be at least partially covered by a bumper skin juxtaposed to a tailgate.
• the invention also relates to a motor vehicle body structure element intended to receive such a support piece.
• the invention relates to a vehicle comprising at least one such support piece.
• the bumper support and the bumper skin must be precisely positioned in relation to the body of a motor vehicle. Their centering makes it possible to comply with the flush clearance requirements with an opening that can take an open position and a closed position on the vehicle, such as a tailgate. It is known to give a rear impact absorber a support function and positioning of the upper range of a rear bumper skin juxtaposed to the tailgate.
• a first solution known as "gabarite” makes it possible to define the positioning of the shock absorber, and consequently of the bumper skin that is attached thereto, relative to the template of the tailgate when it is placed in the closed position. .
• gabarite A first solution, known as "gabarite”, makes it possible to define the positioning of the shock absorber, and consequently of the bumper skin that is attached thereto, relative to the template of the tailgate when it is placed in the closed position. .
• the absorber is then permanently fixed on the vehicle, or more precisely on the element rear body structure. Once the absorber is attached, the elastomer wedge is removed and the bumper skin is attached to the absorber.
• the support piece for example a shock absorber, advantageously comprises a system of spring tabs forming elastic means.
• the shock absorber When the tailgate is open, the shock absorber is placed in an unspecified first position. Closing the tailgate will impose a displacement to a second position by deformation of its elastic means. It is in this second position, or final position, that the shock absorber is permanently fixed on the rear body structure element, and therefore the body part that it supports is centered on the vehicle.
• Another solution, called “indexed” is to use an indexing means to precisely define the position that must take the shock absorber on the rear body structure element.
• the shock absorber is placed in position by clipping on the vehicle body, and is fixed permanently without readjustment of its position.
• the bumper skin and tailgate are sized to meet game requirements based on this predefined position of the shock absorber.
• the object of the invention is to meet the drawbacks presented by the prior art by proposing a new positioning piece that makes it possible to switch to a situation where it is positioned on a body structure element of an "indexed" solution to a solution. of type "gabaréclairagee”.
• the subject of the invention is a piece for supporting and positioning a bodywork part intended to be juxtaposed with a remarkable opening in that it comprises at least one sliding indexing system comprising a skid and a pair of indexing means, the one or more sliding indexing systems being intended to cooperate with one or more rails of a body structure element for positioning and holding said support piece against the body structure element for attachment to said body structure member.
• the support piece may comprise one or more of the following characteristics, taken separately or in any technically possible combination:
• the body part and the opening forms a junction when they are juxtaposed, and the shoe and the pair of indexing means are aligned in the direction of translation authorized by the slide of the body structure element, of preferably in a direction perpendicular to the junction between the bodywork part and the opening.
• the means of the pair of indexing means are arranged on either side of the pad.
• the pair of indexing means comprises at least one elastic locking means, preferably a clip.
• the slide has two ends and the pair of indexing means comprises an indexing pin and a resilient engaging means intended to be inserted into the slide and abut against its ends so as to limit the displacement pad in the slide.
• the pair of indexing means immobilizes the pad in the slideway.
• the indexing pin and the clip are spaced from each other by a distance equivalent to the length of the slide so as to be in abutment against the slide ends.
• At least one means of the pair of indexing means is divisible.
• the indexing pin is breakable and / or the clip is breakable.
• the pad has a head cooperating with the body structure element and / or the slide to retain the support part against said body structure element when the pad is inserted into the slide
• the support part also has spacers.
• the spacers make it possible to define a minimum distance between the support piece and the body structure element when the support piece is positioned against the body structure element.
• the support member further comprises at least one resilient means pushing the piece towards the opening and in a direction perpendicular to the junction between the body part and opening it.
• the elastic means is a spring tab.
• the spring tabs are able to deform in a substantially vertical direction (Z) so as to push the support piece upwards.
• the support member further has final fixing means on the vehicle.
• the final fixing means are holes for the passage of fixing screws.
• the support part is intended to position a rear bodywork part juxtaposed to a vehicle tailgate, or a front bodywork part juxtaposed to a vehicle front cover, or a side bodywork part juxtaposed with a side door of the vehicle.
• the support piece is a shock absorber or a grille grille.
• the support piece is integral with the body part.
• the invention also relates to a vehicle comprising a support and positioning part of a bodywork part intended to be juxtaposed with an opening as defined above, the bodywork part and the opening forming a junction when are juxtaposed, the support member comprising a sliding indexing system, and a body structure member having at least one slide intended to cooperate with at least one sliding indexing system of the support piece.
• the slideway is arranged in a direction perpendicular to the junction between the bodywork part and the opening.
• the sliding indexing system comprises a shoe has a head, and the slide is in the form of an oblong hole with sufficient clearance for the passage of the head of the pad. More preferably, the length of the slide is equivalent to the distance presented by the elements of the pair of indexing means so that said elements of the pair of indexing means can be inserted into the slide and come to abut against the ends of the slide.
• the invention finally relates to a method of positioning a support piece on a body structure element in which:
• an indexing pin and a skid head carried by the support piece are engaged in a slide formed of an oblong hole in the body structure element
• the support piece is pushed along the direction of translation authorized by the slideway until the indexing pin comes into abutment against one of the ends of the slideway limiting the displacement of the support piece in the slide according to a first sense
• a clip carried by the support piece is automatically deployed in the slideway at its opposite end limiting the movement of the support piece in the slide in the second direction of translation, opposite to the first direction,
• the support piece thus immobilized is fixed permanently on the body structure element.
• the invention consists in proposing a support piece for an indexing assembly, corresponding to an "indexed" type solution, implying a predefined positioning of the support piece both in the longitudinal (X), transverse (Y) and vertical (Z) directions with respect to the body structure element.
• the mounting of the support piece on said body structure element involves a translational movement in a guide, for example a slide, carried by the body structure element in a direction perpendicular to the junction between the body part and the opening.
• a guide for example a slide
• a guide on the body structure element cooperating with a pad carried by the support piece, allows the support piece to be positioned in a predefined manner along the longitudinal (X) and transverse ( Y).
• the predefined positioning in the vertical direction (Z) is provided by indexing means associated with the pad and cooperating with the guide, so as to immobilize the pad in the guide.
• the invention therefore consists in proposing an "indexed" solution whose indexing means define the positioning of the support piece on the body structure element only in a direction perpendicular to the junction between the bodywork piece and the body. 'opening.
• the centering in the other directions is provided by the cooperation of at least one pad of the support piece with at least one guide or a dedicated slide of the body structure element. This allows, by cutting said indexing means, to restore the freedom of movement of the support part relative to the body structure element in this direction.
• the support piece, mounted on the body structure element is movable in translation in a direction perpendicular to the junction between the bodywork part and the opening while having a predefined positioning relative to the other two directions perpendicular to its direction of translation.
• the support piece thus has sufficient means to be placed in position according to a mounting method compatible with a "gabarite” type solution.
• the invention consists in providing a support piece with a double positioning means, namely a pad intended to cooperate with a guide or a slide of the body structure element, and a pair of indexing means for limiting the movement of the support piece in both directions of the translation direction allowed by the guide or slide.
• the invention makes it possible to provide the person skilled in the art with a support piece that can be placed in position on a body structure element as well according to an "indexed” solution as "gabaréclairagee" and that enables it to choose the most adapted according to the circumstances.
• the invention is remarkable in that it makes it possible to switch from an "indexed" type solution to a "gabarite” type solution.
• FIG. 1 is a schematic perspective exploded view of part of the constituent elements of the rear body of a motor vehicle.
• FIG. 2 is a schematic perspective view of the front of a portion of a support part according to the invention.
• FIG. 3 is a front view of a body structure member having a slide in which is inserted the sliding indexing system according to the invention.
• FIG 4 is a schematic perspective view of the front of a portion of a support member according to the invention further having spring tabs.
• FIG 1 showing the lower rear part of a vehicle comprising a rear opening (1) or tailgate, a rear element (3) of a vehicle body structure, a support part (5). ) bumper to be positioned and attached to the body structure element (3), and a bumper skin (7) to be mounted on the bumper support piece (5).
• the skin (7) bumper is intended to be juxtaposed to the rear tailgate (1) of the vehicle.
• the tailgate (1) rear can take an open position or a closed position.
• the support piece (5) is a shock absorber.
• the location of the support piece (5) at the rear of the vehicle can not be limited to the invention.
• the support piece can be used to position a front bodywork part, juxtaposed to a front cover.
• the support piece may consist of a grille, an inner rim of bumper skin front, or a technical front supporting a radiator. It is also conceivable to use the support piece according to the invention to ensure the positioning of a side bodywork part with a door.
• the support member (5) has means (19, 21, 23) for cooperating with complementary means (27, shown in Figure 3) located on the element (3) rear body structure for its positioning on said rear body structure element (3) and its holding in position the time of its final fixation.
• the support (5) has at least one sliding indexing system comprising a shoe (21) associated with a pair of indexing means (19, 23).
• the shoe (21) is intended to be inserted into a slide (27) of the body structure element (3).
• the slide (27) is in the form of an oblong hole having a clearance at one of its ends for the passage of the pad (21).
• the shoe (21) is mounted on a support (17) disposed across an opening (13) providing visibility to the fitter for insertion into the clearance of the slide (27).
• the slide (27) is configured to allow a translation of the support piece (5) relative to the body structure element (3) in a direction perpendicular to the junction between the opening, namely the tailgate, and the body part, namely the bumper skin.
• the direction of translation allowed by the slide (27) is in our example a vertical direction along an axis Z.
• the end of the slide (21) having the clearance is disposed greater than the other end in the vertical direction.
• a sliding indexing system predefines the positioning of the support piece (5) on the body structure element (3) in the transverse direction of the vehicle, namely the Y axis direction, by inserting the foot of the shoe (21) in the slide (27).
• the width of the slide (27) is, apart from its clearance, equivalent to the width of the foot of the pad (21).
• the support piece (5) has, on its face (9) intended to be placed facing the body structure element (3), projecting elements or spacers (15), for example ribs (15). ).
• spacers (15) is particularly advantageous for minimizing the areas of friction between the support part (5) and the body structure element (3) during the translation movements of one relative to the other. other during their setting in position.
• the runner-slide assembly (21, 27) therefore serves as a stop in the X and Y directions, perpendicular to the direction of insertion of the support piece (5) into the slide (27).
• the arrows illustrate the direction of depression of the shoe (21) in the slide (27) as seen from the front face (25) of the body structure element (3).
• the positioning of the support piece (5) along the X and Y axes is therefore acquired by the use of a slide system (21, 27), and that the support piece (5) is used for mounting according to a solution "indexed” or according to a solution "gabaréclairagee".
• indexing means (19, 23) associated with the pad (21).
• at least one of these indexing means is an elastic casing element, for example a clip (23).
• one of the indexing means is an indexing pin (19).
• the pin (19) is sized to fit into the slide (27).
• the pin (19) is intended to limit the movement of the support piece (5) downwards along the slide (27) by placing itself in abutment against the lower end of the slide (27).
• the pin (19) and the clip (23) are separated from each other by a distance equivalent to the distance separating the ends of the slide (27).
• the clip (23) unfolds and fits into the slide at its upper end.
• the clip (23) is intended to limit the movement upwards by placing itself in abutment against the upper end of the slide.
• the pair of indexing means inserting into the slide and abutting against both ends of the slide, will therefore prevent any movement of the support piece (5) along the Z axis and thus position it according to a predefined position along the Z axis.
• the sliding indexing system according to the invention is particularly advantageous in that it makes it possible to ensure positioning of the part in all the X, Y and Z directions, and thus isostatic positioning, and thus to maintain it up to to the final fixation.
• the front wall (9) of the support part (5) further has means (1 1) for permanently fixing the body structure element (3).
• the means (1 1) for permanent attachment are for example constituted by a hole for the passage of a fixing screw.
• the pair of indexing means (19, 23) is cut off.
• the removal of the clip (23) and / or the pin (19) is done by any means. Nevertheless, the clip (23) and / or the pin (19) are preferentially configured to be scored.
• the removal of the indexing means in the direction perpendicular to the junction between the opening and the bodywork part - namely the vertical direction in our example - makes it possible to keep only the sliding system compatible with a solution "gabarottie".
• the positioning in X and Y is ensured by the implementation of the pad (21) in the slide (27). An assembler will push the support piece (5) against the tailgate in the closed position (or against the elastomer wedges located under the tailgate) to ensure Z positioning.
• the support piece (5) further comprises on its front face (29) at least one resilient means, preferably a spring tab (33) placed in a window (31). ).
• a spring tab 33 placed in a window (31).
• she includes two to five spring legs.
• the driving direction exerted by the tailgate on the support piece (5) is parallel to the deformation direction of the spring tabs, in our example substantially vertical with respect to the vehicle.
• the elasticity of the spring tabs will allow to push the support piece (5) upwards against the tailgate, based on the body structure element (3).
• the operation of such spring tabs is known to those skilled in the art and will not be detailed further. These tabs are useless as long as the indexing means are used but allow to push the piece upwards if said indexing means have been removed.
• the support piece can be integral with the bodywork part.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Connection Of Plates (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=47263466

Family Applications (1)

Country Status (3)

Families Citing this family (1)

Family Cites Families (5)

• 2011
  • 2011-11-14 FR FR1160343A patent/FR2982575B1/fr not_active Expired - Fee Related
• 2012
  • 2012-11-05 EP EP12794432.0A patent/EP2780217A1/de not_active Withdrawn
  • 2012-11-05 WO PCT/FR2012/052545 patent/WO2013072600A1/fr active Application Filing

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events