Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
  • B60J5/00—Doors
  • B60J5/10—Doors arranged at the vehicle rear
  • B60J5/101—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans
  • B60J5/107—Doors arranged at the vehicle rear for non-load transporting vehicles, i.e. family cars including vans constructional details, e.g. about door frame, panels, materials used, reinforcements
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
  • B60J5/00—Doors
  • B60J5/10—Doors arranged at the vehicle rear
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
  • B60J5/00—Doors
  • B60J5/04—Doors arranged at the vehicle sides
  • B60J5/0412—Lower door structure
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
  • B60J5/00—Doors
  • B60J5/04—Doors arranged at the vehicle sides
  • B60J5/0412—Lower door structure
  • B60J5/0415—Outer panel
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
  • B60J5/00—Doors
  • B60J5/04—Doors arranged at the vehicle sides
  • B60J5/0412—Lower door structure
  • B60J5/0416—Assembly panels to be installed in doors as a module with components, e.g. lock or window lifter, attached thereto

Definitions

• the invention relates to the field of motor vehicle body parts, more specifically openings, such as tailgates or side doors, and in particular the integration of equipment installed therein.
• a motor vehicle tailgate generally comprises an outer panel (also called outer skin) attached to an inner panel, or frame.
• the interior panel has a first opening in the upper part of the tailgate intended to accommodate a rear window.
• this inner panel is usually provided with small recesses allowing local passage for the attachment of components.
• motor vehicle tailgates incorporate, in the lower part of the tailgate, side rear signaling lights, such as brake lights, generally a left light and a right light located symmetrically on either side. another from the tailgate.
• these two lights are located as much as possible along the side edges of the tailgate in order to face, in the closed position of the tailgate, the additional rear light located on the body of the vehicle.
• Such lights are currently manufactured by suppliers in the form of lighting blocks or optical blocks.
• Such optical blocks include a rear part, or casing, in which the lighting device is placed, as well as a window, also called glass, allowing light to pass through when the light is in operation.
• a light signature at the rear of vehicles such as continuous lighting between the side parts of the tailgate.
• a light device is also attached to the outside of the tailgate and may cause sealing problems or not be flush with the rest of the tailgate.
• tailgates can incorporate components to assist in driving (such as radars, lidars, or cameras) or allow communication (such as antennas or screens). All of these components should be integrated on the tailgate in such a way, here again, that they are sealed and flush with the rest of the tailgate.
• tailgate can be generalized to other types of opening, for example side doors in which lighted elements and other driving aid or communication components can also be integrated between the inner panel and the outer panel.
• the object of the invention is in particular to remedy these drawbacks by providing a motor vehicle door allowing the integration in its lower part of equipment, in particular emitters and/or receivers of radiation, in a sealed manner and allowing the aesthetics to be improved. of the vehicle.
• the invention relates to a motor vehicle door comprising:
• an inner panel preferably made of plastic material, provided with an upper part in which a first opening is made to accommodate a bezel and a lower part in which a second opening is made, and
• an outer skin at least partially made of plastic material, attached to the inner panel, comprising an inner surface located opposite an outer surface of the inner panel.
• the opening according to the invention further comprises an equipment support plate attached directly to the internal surface of the outer skin in a sealed manner, preferably by gluing, said plate being placed inside a delimited volume, on the one hand, by the outer surface of an inner panel and, on the other hand, by the inner surface of the outer skin.
• an equipment support plate carried and covered by the outer skin and arranged inside a volume delimited, on the one hand, by the outer surface of an inner panel and, on the other hand , by the inner surface of the skin exterior it is possible to carry lighting, communication or driving assistance devices by the equipment support plate rather than attaching them to the outer skin of the opening, which facilitates their implementation within of the opening, in the desired position for each piece of equipment, since they are assembled beforehand on the plate which is then attached to the outer skin.
• the equipment carried by the support plate is concealed by the outer skin, including, in the case of a tailgate, the rear lights for example when they are not lit. .
• hidden by the outer skin is meant that the equipment is not visible to a user in an obvious manner.
• dry area means a closed volume, sealed from the outside environment.
• all the equipment carried by the support plate is sealed off from the external environment via the sealed connection obtained between the support plate and the outer skin. This is much easier than sealing around each piece of equipment individually, such as lighting blocks. This ultimately preserves this equipment and therefore ensures its proper functioning.
• the support plate makes it possible to share the connectors of the equipment it carries.
• the equipment support plate comprises a device emitting and/or receiving electromagnetic radiation and the outer skin comprises, opposite the device emitting and/or receiving electromagnetic radiation, a transmission zone, made of plastic material, which either at least partially transparent to said electromagnetic radiation;
• - electromagnetic radiation belongs to the non-visible spectrum such as infrared, microwaves, the 76-77 Ghz band of automotive radars, radio or telephone waves;
• the support plate comprises at least one access hole to one of the equipment carried by the support plate, and preferably at least one member for closing said access hole allowing the replacement or adjustment of certain carried elements by the plate. Indeed, certain elements such as radars or lidars, for example, require fine adjustment carried out after the assembly of the opening on the vehicle;
• the interior panel comprises at least one access opening to the delimited volume
• the access opening of the interior panel is facing said at least one access hole of the support plate
• the interior panel further comprises at least one removable hatch allowing the access opening to be closed;
• the trim covers said at least one removable hatch
• the trim covers the access opening and includes a removable part allowing access to the plate and its equipment via the access opening;
• the technical panel bearing for example at least one of the following elements:
• the support plate is in one piece
• the support plate is made in several parts assembled together;
• the outer skin is made of one of the following materials: polypropylene (PP), polyamide (PA), polyethylene (PE), acrylonitrile butadiene styrene (ABS), polyethylene terephthalate (PET), polystyrene (PS), polycarbonate (PC), polymethyl methacrylate (PMMA), cyclo-olefin copolymer (COC), as well as any combination of these materials;
• PP polypropylene
• PA polyamide
• PE polyethylene
• ABS acrylonitrile butadiene styrene
• PET polyethylene terephthalate
• PS polystyrene
• PC polycarbonate
• PMMA polymethyl methacrylate
• COC cyclo-olefin copolymer
• the opening constitutes a tailgate or a side door.
• Figure 1 is a set of schematic views ( Figure 1A exploded and 1B assembled) of an equipment support plate and an outer skin of a tailgate according to one embodiment of the invention ,
• FIG. 2 is an exploded schematic view of a tailgate according to the described embodiment of the invention.
• FIG. 3 is a schematic view of a tailgate assembled according to the embodiment of the invention.
• figure 4 is a set of schematic sections (figure 4A and 4B) produced according to section plane IV-IV of figure 3, representing a tailgate according to two variants of the invention,
• FIG. 5 is a more detailed representation of an equipment support plate used in an opening according to the invention, such as a tailgate described in the previous figures.
• Tailgate 1 includes:
• an inner panel 2 preferably made of plastic material, provided with an upper part 2A in which is made a first opening 21 intended to accommodate a bezel 7 and a lower part 2B in which a second opening 22 is made, and
• the tailgate 1 further comprises a support plate equipment 4 attached directly to the inner surface 31 of the outer skin 3 in a sealed manner, by gluing, said plate 4 being arranged inside an internal volume 5A delimited, on the one hand, by the outer surface 23 of an inner panel 2 and, on the other hand, by the inner surface 31 of the outer skin 3.
• the equipment support plate 4 is a box forming a hollow receptacle and the peripheral edges of which follow the shape of the outer skin 3 on which the plate 4 is attached, as illustrated in FIGS. 1A and 1B.
• the peripheral edges of the plate 4 glued (or adhesive-coated) on the outer skin 3 constitute a rim 51 in the form of a flat receiving the bead of glue 50 (or the adhesive).
• These same flat peripheral edges can also be used to compress a foam seal in the case of fixing the plate by screwing and or clipping (Alternative embodiments of the invention not shown).
• the plate 4 is attached by bonding, using any suitable bonding process known to those skilled in the art.
• the plate comprises several pieces of equipment 6 of which only one is visible in the sections shown in FIGS. 4A and 4B.
• the plate can comprise a single piece of equipment 6 or several pieces of equipment 6 and these can be different from each other.
• It may be, for example, one or more luminous devices which emit electromagnetic radiation in the visible spectrum. These light devices can be distributed over all or part of the width of the plate 4 in order to establish the desired light signature. Thus, it is possible to obtain a light signature with a continuous appearance over the entire width of the tailgate if desired.
• This equipment 6 can also be driving aid devices, such as for example radars (which generally emit electromagnetic radiation between 20 and 80 GHz), lidars (which generally emit electromagnetic radiation belonging to the infrared spectrum) or reversing cameras.
• it can also be communication equipment, such as screens or antennas. In general, this equipment can be any device requiring wave transparency.
• the zone of the outer skin 3 located opposite the equipment 6 is a transmission zone 32 made of plastic material at least partially transparent to the electromagnetic radiation of the equipment, in the case where the latter emits and/or receives electromagnetic radiation. .
• a transmission zone 32 made of plastic material at least partially transparent to the electromagnetic radiation of the equipment, in the case where the latter emits and/or receives electromagnetic radiation.
• this transmission zone 32 allows the passage of a quantity of electromagnetic waves sufficient for the equipment to be able to fulfill the function which is dedicated to it correctly and continuously.
• the support plate 4 can be in one piece, which simplifies its manufacture and avoids the steps of assembling several elements on the outer skin 3.
• the support plate 4 can be made of several parts (41a, 41b and 41c) assembled together (as shown in Figure 5) either before being introduced into the internal volume 5A, or after being introduced into the internal volume 5A.
• This second assembly variant has the advantage of being able to integrate such a plate, even when the first opening 21 of the interior panel is reduced.
• the plate 4 consists of three parts, a central 41a, and two sides 41b and 41c.
• the central part 4a comprises an element forming an illuminated logo 61.
• the lower zone of the side parts 41b and 41c can for example form traffic lights 62 right and left.
• the upper zone of the three parts 41a, 41b and 41c taken together forms a continuous line of lighting 63 transverse to the tailgate 1 and thus producing a light signature.
• This upper part can also make it possible to house a large antenna.
• the support plate 4 is provided with an access hole 42 which allows access to the various equipment carried by the plate 4, for example for their installation or maintenance.
• This access orifice 42 is closed via a closure member 43 which thus makes it possible to create an additional closed internal volume 5B within the main internal volume 5A itself.
• the equipment 6 carried by the support plate 4 is located within a dry and sealed zone which protects them.
• the sealing of volumes 5A and 5B is also ensured thanks to the peripheral and continuous beads 50 connecting the various elements (inner panel 2, outer skin 3 and support plate 4) to each other.
• any other fastening means known to those skilled in the art making it possible to connect these various elements in a sealed manner can be used.
• the interior panel 2 comprises an access opening 24.
• the access opening 24 is located opposite the access orifice 42 of the support plate 4 (FIG. 4B).
• the tailgate according to the invention can have several access openings 24 distributed over the interior panel 2, and several access orifices 42 distributed in the plate 4 opposite each access opening 24, with the aim of be able to easily access all the equipment 6 carried by the plate 4.
• the interior panel 2 comprises a removable hatch 25 provided to cover the access opening 24 of the interior panel.
• a removable hatch 25 provided to cover the access opening 24 of the interior panel.
• the tailgate 1 may also comprise a technical panel 15 as described in document FR 1358548 attached to the outer surface 23 of the inner panel.
• This technical panel 15 allows you to wear a set of technical elements for the passage or fixing of components, such as for example the electrical harness for the equipment of plate 4.
• the tailgate 1 further comprises a trim 44 fixed to the internal wall of the interior panel 2 and covering the second opening 22.
• this trim 44 covers the removable hatch 25 as illustrated in FIG. 4A and thus makes it possible to further guarantee the tightness of the internal volume 5A.
• the trim 44 can be fixed to the lower part 2B of the interior panel 2 in a removable manner, for example by riveting, screwing or snap-fastening.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Vehicle Step Arrangements And Article Storage (AREA)
• Motor Or Generator Frames (AREA)
• Body Structure For Vehicles (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=75438936

Family Applications (1)

Country Status (5)

Families Citing this family (1)

Family Cites Families (5)

• 2020
  • 2020-12-23 FR FR2014055A patent/FR3117944A1/fr active Pending
• 2021
  • 2021-07-30 CN CN202121760784.XU patent/CN217073994U/zh active Active
  • 2021-07-30 CN CN202110872869.5A patent/CN114654978A/zh active Pending
  • 2021-12-20 WO PCT/EP2021/086798 patent/WO2022136276A1/fr active Application Filing
  • 2021-12-20 EP EP21840927.4A patent/EP4267417A1/de active Pending
  • 2021-12-20 US US18/258,980 patent/US20240066963A1/en active Pending

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