WO2013057403A1 - Depressed vehicle floor and method for installation in connection with the shock-absorbers - Google Patents

Depressed vehicle floor and method for installation in connection with the shock-absorbers Download PDF

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Publication number
WO2013057403A1
WO2013057403A1 PCT/FR2012/052205 FR2012052205W WO2013057403A1 WO 2013057403 A1 WO2013057403 A1 WO 2013057403A1 FR 2012052205 W FR2012052205 W FR 2012052205W WO 2013057403 A1 WO2013057403 A1 WO 2013057403A1
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WO
WIPO (PCT)
Prior art keywords
hollow floor
floor
passage lumen
interior space
side edges
Prior art date
Application number
PCT/FR2012/052205
Other languages
French (fr)
Inventor
Vincent Foubert
Nathalie Bannier
Original Assignee
Renault S.A.S.
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 Renault S.A.S. filed Critical Renault S.A.S.
Priority to EP12775790.4A priority Critical patent/EP2760699A1/en
Publication of WO2013057403A1 publication Critical patent/WO2013057403A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • B62D25/087—Luggage compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3072—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats on a lower level of a multi-level vehicle floor
    • B60N2/3077—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats on a lower level of a multi-level vehicle floor stowed in the luggage compartment
    • B60N2/3079—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats on a lower level of a multi-level vehicle floor stowed in the luggage compartment in a recess
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20—Floors or bottom sub-units
    • B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
    • B62D25/2027—Floors or bottom sub-units in connection with other superstructure subunits the subunits being rear structures

Definitions

  • the present invention relates to a hollow floor and a method of installing said floor in the rear body of a motor vehicle.
  • the hollow floors are installed in the rear part of the body of motor vehicles, at the level of the cantilever. These recessed floors have lateral edges delimiting an interior space, which makes it possible to
  • Said rear body part comprises structural elements and in particular a portion of the longitudinal members and sleepers.
  • the motor vehicle includes shock absorbers
  • the recessed floors are made of plastic and they are installed during the assembly of the motor vehicle, after the dampers have been mounted. Indeed, before the installation of the hollow floor, the rear part of the body is relatively free and easy access to
  • a problem that arises and that aims to solve the present invention is to provide a hollow floor that can be installed before mounting the dampers without making it difficult to mount.
  • the present invention proposes, in a first object, a hollow floor intended to be installed in the rear body of a motor vehicle, said hollow floor having side edges defining an interior space of said floor, said a rear part comprising structural elements, said hollow floor being adapted to be relié said structural elements, said motor vehicle further comprising dampers, while said structural elements comprise anchoring zones to be able to anchor said dampers;
  • at least one of said side edges of said hollow floor has a passage lumen; and said hollow floor is adapted to be installed between said structural members so that said passage lumen is adjusted facing one of said anchoring zones so as to be able to pass through said passage lumen to penetrate from the outside said hollow floor and from below said hollow floor to penetrate inside said interior space and to be able to emerge from said interior space through said passage lumen to anchor one of said dampers.
  • a feature of the invention lies in the production of a passage lumen in at least one of said side edges of the hollow floor so as to be able to reach the anchoring zone by traversing locally the interior space of the floor hollow.
  • the damper which is intended to be anchored to the structural element by means of a yoke, for example, is then held in the yoke, while on the one hand, a screw element is introduced from the space.
  • inside the hollow floor through the lumen of passage can be engaged és u it through the yoke and the damper and secondly, it comes from the outside to engage an anchoring tool, for example a screwdriver electric, in the interior space through the passage lumen, to engage with the screw element.
  • the anchoring tool is approached from the hollow floor opposite the interior space of the floor to be first engaged in a first direction in the interior space through the passage lumen and thereafter driving it in a direction substantially perpendicular to the outside of the interior space and still through the passage lumen to be engaged with the screw element.
  • the anchoring tool remains partly in the interior space through the passageway light.
  • the hollow floor is made of a metallic material, which allows a substantial saving compared to the implementation of a plastic floor.
  • the hollow floor has a bottom wall, while said side edges have flanks inclined relative to the normal to said bottom wall.
  • said bottom wall and said inclined sides have an intersection line and said passage lumen extends longitudinally in said inclined sides in a direction substantially perpendicular to said line of intersection. In this way, the passageway made in the inclined flanks allows access from below to the interior of the hollow floor in a direction substantially perpendicular to the bottom wall. In the same way, the passage lumen makes it possible to leave the interior space of the floor in a substantially horizontal direction and towards the anchoring zone.
  • said two opposite lateral edges are terminated by a return fastening edge, and will be explained in more detail in the following description, that the hollow floor can be installed from above the rear part, while the back fastening edge bears against the structural elements.
  • the recessed floor comprises a removable plug piece for mounting through said passage lumen to plug said passage lumen.
  • the removable obturating part makes it possible to make the floor hollow, which preserves the body from corrosion.
  • the hollow floor advantageously comprises a reinforcing piece mounted to ut ou real real transit light to reinforce mechanically said at least one of said side edges. In this way, the edge lateral is reinforced locally in an area where the light of passage had weakened it.
  • the present invention proposes a method of installing a hollow floor in the rear body of a motor vehicle, said motor vehicle further comprising dampers, while said rear part comprises elements of structure, said structural elements comprising anchoring zones for anchoring said dampers, said method being of the type according to which, it provides a hollow floor having lateral edges delimiting an interior space of said floor, and said floor is connected to recessed to said structural members; according to the invention, there is provided a hollow floor having a passage lumen in at least one of said side edges; and said hollow floor is installed between said structural members so that said passage lumen is fitted opposite one of said anchoring zones so as to be able to pass through said passage lumen to penetrate from the outside of said floor into hollow and from below said hollow floor, inside said interior space, and to be able to emerge from said interior through said passage lumen to anchor one of said dampers.
  • an anchoring tool in the interior space through the passage lumen to engage the anchoring tool with a screw element.
  • FIG. 1 is a schematic elevational side view of a hollow floor according to the invention
  • - Figure 2 is a rear schematic perspective view of the hollow floor shown in Figure 1 and in a mounting step
  • FIG. 3 is a schematic cross-sectional view of the hollow floor shown in Figure 2 during the mounting step.
  • FIG. 1 illustrates a rear body part 10 of a motor vehicle comprising, on the one hand, a metal hollow floor 12 defining an interior space 14 and, on the other hand, two third-row rear seats, a first seat. rear 16 in the folded position inside the inner space 14 of the recessed floor 12 and a second rear seat 18 deployed in the seating position above the hollow floor 12.
  • the hollow floor 12 has a bottom wall 20 and a rear edge 22 opposite a front edge 24.
  • the rear edge 22 extends substantially perpendicular to the bottom wall 20, while the front edge 24 is inclined approximately 45 ° to the normal to the bottom wall 20.
  • FIG. 2 where the hollow floor 12 is shown in perspective of three quarters rear. There is found the bottom wall 20 and the front edge 24 opposite the rear edge 22.
  • the hollow floor 12 also has two opposite side edges 26, 28, which have two opposite inclined sides 30, 32 respectively joining obliquely the edge before 24.
  • the inclined flanks 30, 32 are respectively inclined relative to the bottom wall 20 by an angle of about 135 °.
  • Each of the two opposite inclined flanks 30, 32 has an elongate passage opening 36 formed near the front edge 24.
  • the oblong passage lugs 36 are respectively oriented substantially perpendicular to the intersection lines 38, 40 where the inclined flanks meet. 30, 32 and the bottom wall 20.
  • it is intended to equip the hollow floor 12 with a reinforcing piece, not shown, and adapted to be mounted around said passage light 36 for mechanically reinforcing the lateral edges 26, 28.
  • the opposite lateral edges 26, 28 are respectively extended by retaining edges 42, 44. These retaining edges 42, 44, the opposite lateral edges 26, 28 and the bottom wall 20 are shown in a transparent manner and thus appear under the back fastening edges 42, 44 of the structural elements.
  • Two parallel structural elements 46, 48 are respectively extended by two oblique structural elements 50, 52 converging towards one another. These two oblique structural elements 50, 52 are joined together by a transverse structure element 54.
  • the oblique structural elements 50, 52 have anchor zones respectively equipped with yokes 56, 58 for fixing by screwing the coated dampers of the train in H.
  • the hollow floor 12 is mounted in abutment on the structural elements 46, 48, 50, 52 through their retaining edge 42, 44, so that the light of the passag e 36 goes off respectively opposite the yokes 56, 58.
  • the hollow floor 1 2 metal material is mounted and welded to the structural elements 46, 48, 50, 52 in the workshop sheet metal so that you can be immersed with the crate in the cataphoresis baths.
  • the motor vehicle bodies are installed on the assembly lines and the rear shock absorbers, right and left, in particular, are mounted.
  • a screw is introduced from the interior space 14 of the hollow floor 12 through the passage opening 36 to be engaged to through the yoke 56, 58 and the damper.
  • a screwdriver 60 electrically or pneumatically is introduced from below the hollow floor 12, through the passage lumen 36 to be engaged on the screw.
  • FIG. 3 in order to describe in more detail the method of installation of the damper by virtue of the passage apertures 36 of the hollow floor 12.
  • one of the clevises 58 is also seen through which is partially engaged a screw 62 on which is engaged the screwdriver 60.
  • the latter has a head 64 adapted to receive directly the head of the screw 62 and a body 66.
  • the screwdriver 60 could be introduced vertically along the arrow V from the bottom of the hollow floor 12, and through the passage lumen 36 into the interior space 14.
  • the head 64 of the screwdriver 60 has been driven horizontally through the passage lumen 36 to the outside of the hollow floor 12 to be able to engage the screw 62.
  • the screwdriver 60 is maintained in the internal space 14 through the passage lumen 36 during the driving in rotation of the screw 62 and the screwing of the damper in the yoke 58.
  • the screwdriver 60 is disengaged from the screw 62 towards the interior of the hollow floor 12 through the passage opening 36 and is then withdrawn outwards, always through the through-hole 36.
  • the other damper is mounted according to the same procedure thanks to the other passage lumen 36.
  • passage lumens 36 are closed by means of a not shown removable sealing piece, for example made of an elastomeric plastic material, in order to preserve the hollow floor 12 of the water penetrations.
  • the present invention also provides a method of installing a metal hollow floor, and therefore more economical than a hollow plastic floor, and which metal hollow floor has side edges in which are made of passing lights to mount the shock absorbers of the vehicle.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention relates to a depressed floor (12) and to a method for installing said floor, which is intended for being installed in the rear portion of a motor vehicle. The floor has side edges (26, 28), said rear portion including structural elements (46, 48, 50, 52, 54) to which the floor is capable of being connected, said motor vehicle including shock-absorbers, while said structural elements (46, 48, 50, 52, 54) include anchoring areas. According to the invention, at least one of said side edges (26, 28) has a passage opening (36), and said depressed floor (12) is capable of being installed between said structural elements (46, 48, 50, 52, 54) such that said passage opening (36) is adjusted opposite one of said anchoring areas in order to be able to pass through said passage opening (36) to anchor one of said shock-absorbers.

Description

PLANCHER DE VEHICULE EN CREUX ET METHODE D'INSTALLATION EN RELATION AVEC LES VEHICLE FLOOR IN HOLES AND METHOD OF INSTALLATION IN RELATION TO THE
AMORTISSEURS  SHOCK
La présente invention se rapporte à un plancher en creux et à une méthode d'installation dudit plancher dans la partie arrière de caisse d'un 5 véhicule automobile. The present invention relates to a hollow floor and a method of installing said floor in the rear body of a motor vehicle.
Les planchers en creux sont installés dans la partie arrière de caisse des véhicules automobiles, au niveau du porte-à-faux. Ces planchers en creux présentent des bords latéraux délimitant un espace intérieur, lequel permet deThe hollow floors are installed in the rear part of the body of motor vehicles, at the level of the cantilever. These recessed floors have lateral edges delimiting an interior space, which makes it possible to
10 recevoir des sièges de troisième rang en Z, repliés. De la sorte, au-dessus de l'espace intérieur, l'espace est libre tandis que les sièges de troisième rang sont logés à l'intérieur de l'espace intérieur. Ladite partie de caisse arrière comprend des éléments de structure et notamment une partie des longerons et des traverses. En outre, le véhicule automobile comprend des amortisseurs10 receive third row Z seats, folded. In this way, above the interior space, the space is free while the third row seats are housed inside the interior space. Said rear body part comprises structural elements and in particular a portion of the longitudinal members and sleepers. In addition, the motor vehicle includes shock absorbers
15 arrière reliés aux éléments de structure dans des zones d'ancrage. 15 back connected to the structural elements in anchor zones.
Les planchers en creux sont réalisés en matière plastique et ils sont installés au cours du montage du véhicule automobile, après que les amortisseurs ont été montés. En effet, avant l'installation du plancher en creux, la partie arrière de caisse est relativement libre et on accède aisément aux The recessed floors are made of plastic and they are installed during the assembly of the motor vehicle, after the dampers have been mounted. Indeed, before the installation of the hollow floor, the rear part of the body is relatively free and easy access to
20 zones d'ancrage des éléments de structure. 20 anchoring zones of the structural elements.
Or, il s'est avéré que la mise en œuvre d'un plancher en creux réalisé en acier était plus avantageuse économiquement. Cependant, l'installation du plancher en creux doit alors être effectuée avant le montage pour qu'il puisse être plongé avec la caisse dans les bains de cataphorèse. En conséquence, However, it turned out that the implementation of a hollow floor made of steel was more advantageous economically. However, the installation of the recessed floor must be done before assembly so that it can be immersed with the body in the cataphoresis baths. Consequently,
25 lorsque le plancher en creux est installé, il est beaucoup moins aisé de monter les amortisseurs car les zones d'ancrage des éléments de structure sont beaucoup moins accessibles. 25 when the hollow floor is installed, it is much easier to mount the dampers because the anchoring zones of the structural elements are much less accessible.
En outre, pour des raisons économiques, il est impossible de modifier fondamentalement l'architecture très compacte de la voie et du porte-à-faux In addition, for economic reasons, it is impossible to fundamentally change the very compact architecture of the track and cantilever
30 des véhicules automobiles actuels. Aussi, un problème qui se pose et que vise à résoudre la présente invention est de fournir un plancher en creux qui puisse être installé avant le montage des amortisseurs sans pour autant rendre malaisée ce montage. 30 of current motor vehicles. Also, a problem that arises and that aims to solve the present invention is to provide a hollow floor that can be installed before mounting the dampers without making it difficult to mount.
Dans ce but, la présente invention propose, selon un premier objet, un plancher en creux destiné à être installé dans la partie arrière de caisse d'un véhicule automobile, ledit plancher en creux présentant des bords latéraux délimitant un espace intérieur dudit plancher, ladite partie arrière comprenant des éléments de structure, ledit plancher en creux étant apte à être rel ié auxdits éléments de structure, ledit véhicule automobile comprenant en outre des amortisseurs, tandis que lesdits éléments de structure comprennent des zones d'ancrage pour pouvoir ancrer lesdits amortisseurs ; selon l'invention, au moins un desdits bords latéraux dudit plancher en creux présente une lumière de passage ; et ledit plancher en creux est apte à être installé entre lesdits éléments de structure de façon que ladite lumière de passage soit ajustée en regard de l'une desdites zones d'ancrage de manière à pouvoir traverser ladite lumière de passage pour pénétrer depuis l'extérieur dudit plancher en creux et par le dessous dudit plancher en creux pour pénétrer à l'intérieur dudit espace intérieur et à pouvoir ressortir dudit espace intérieur à travers ladite lumière de passage pour venir ancrer l'un desdits amortisseurs. Ainsi, une caractéristique de l'invention réside dans la réalisation d'une lumière de passage dans au moins un desdits bords latéraux du plancher en creux de man ière à pouvoir atteind re la zone d'ancrage en traversant localement l'espace intérieur du plancher en creux. De la sorte, l'amortisseur qui est destiné à être ancré sur l'élément de structure grâce à une chape, par exemple, est alors maintenu dans la chape, tandis que d'une part, on introduit un élément vissable depuis l'espace intérieur du plancher en creux à travers la l u m ière d e passage pou r être engag é ensu ite à travers l a chape et l'amortisseur et d'autre part, on vient engager depuis l'extérieur un outil d'ancrage, par exemple une visseuse électrique, dans l'espace intérieur à travers la lumière de passage, pour la mettre en prise avec l'élément vissable. Ainsi qu'on l'expliquera ci-après, l'outil d'ancrage est approché du plancher en creux à l'opposé de l'espace intérieur du plancher pour être d'abord engagé selon une première direction dans l'espace intérieur à travers la lumière de passage pour ensuite l'entraîner dans une direction sensiblement perpendiculaire vers l'extérieur de l'espace intérieur et toujours à travers la lumière de passage pour être mis en prise avec l'élément vissable. Lors du vissage proprement dit, l'outil d'ancrage demeure en partie dans l'espace intérieur à travers la lumière de passage. For this purpose, the present invention proposes, in a first object, a hollow floor intended to be installed in the rear body of a motor vehicle, said hollow floor having side edges defining an interior space of said floor, said a rear part comprising structural elements, said hollow floor being adapted to be relié said structural elements, said motor vehicle further comprising dampers, while said structural elements comprise anchoring zones to be able to anchor said dampers; according to the invention, at least one of said side edges of said hollow floor has a passage lumen; and said hollow floor is adapted to be installed between said structural members so that said passage lumen is adjusted facing one of said anchoring zones so as to be able to pass through said passage lumen to penetrate from the outside said hollow floor and from below said hollow floor to penetrate inside said interior space and to be able to emerge from said interior space through said passage lumen to anchor one of said dampers. Thus, a feature of the invention lies in the production of a passage lumen in at least one of said side edges of the hollow floor so as to be able to reach the anchoring zone by traversing locally the interior space of the floor hollow. In this way, the damper which is intended to be anchored to the structural element by means of a yoke, for example, is then held in the yoke, while on the one hand, a screw element is introduced from the space. inside the hollow floor through the lumen of passage can be engaged és u it through the yoke and the damper and secondly, it comes from the outside to engage an anchoring tool, for example a screwdriver electric, in the interior space through the passage lumen, to engage with the screw element. As will be explained below, the anchoring tool is approached from the hollow floor opposite the interior space of the floor to be first engaged in a first direction in the interior space through the passage lumen and thereafter driving it in a direction substantially perpendicular to the outside of the interior space and still through the passage lumen to be engaged with the screw element. During the actual screwing, the anchoring tool remains partly in the interior space through the passageway light.
Le plancher en creux est fabriqué dans un matériau métallique, ce qui permet de réaliser une économie substantielle par rapport à la mise en œuvre d'un plancher en matière plastique. En outre, le plancher en creux présente une paroi de fond, tandis que lesdits bords latéraux présentent des flancs inclinés par rapport à la normale à ladite paroi de fond. De plus, ladite paroi de fond et lesdits flancs inclinés présentent une l igne d'intersection et ladite lumière de passage s'étend longitudinalement dans lesdits flancs inclinés selon une direction sensiblement perpendiculaire à ladite ligne d'intersection. De la sorte , la l u m ière de passage pratiquée dans les flancs inclinés permet d'accéder par le dessous à l'intérieur du plancher en creux selon une direction sensiblement perpendiculaire à la paroi de fond. De la même façon, la lumière de passage permet de ressortir de l'espace intérieur du plancher selon une direction sensiblement horizontale et vers la zone d'ancrage. The hollow floor is made of a metallic material, which allows a substantial saving compared to the implementation of a plastic floor. In addition, the hollow floor has a bottom wall, while said side edges have flanks inclined relative to the normal to said bottom wall. In addition, said bottom wall and said inclined sides have an intersection line and said passage lumen extends longitudinally in said inclined sides in a direction substantially perpendicular to said line of intersection. In this way, the passageway made in the inclined flanks allows access from below to the interior of the hollow floor in a direction substantially perpendicular to the bottom wall. In the same way, the passage lumen makes it possible to leave the interior space of the floor in a substantially horizontal direction and towards the anchoring zone.
Par ailleurs, lesdits deux bords latéraux opposés sont terminés par une bordure de fixation en retour, et on expliquera plus en détail dans la suite de la description, que le plancher en creux peut être installé par le dessus de la partie arrière, tandis que la bordure de fixation en retour vient en appui sur les éléments de structure.  Moreover, said two opposite lateral edges are terminated by a return fastening edge, and will be explained in more detail in the following description, that the hollow floor can be installed from above the rear part, while the back fastening edge bears against the structural elements.
En outre, le plancher en creux com prend u ne pièce d 'obtu ration démontable destinée à être montée à travers ladite lumière de passage pour obturer ladite lumière de passage. La pièce d'obturation démontable permet de rendre le plancher en creux étanche, ce qui préserve la caisse de la corrosion. Au surplus, le plancher en creux comprend avantageusement une pièce de renfort montée a utou r d e l ad ite l u m ière d e passag e pou r renforcer mécaniquement ledit au moins un desdits bords latéraux. De la sorte, le bord latéral est renforcé localement dans une zone où la lumière de passage l'avait affaibli. Further, the recessed floor comprises a removable plug piece for mounting through said passage lumen to plug said passage lumen. The removable obturating part makes it possible to make the floor hollow, which preserves the body from corrosion. In addition, the hollow floor advantageously comprises a reinforcing piece mounted to ut ou real real transit light to reinforce mechanically said at least one of said side edges. In this way, the edge lateral is reinforced locally in an area where the light of passage had weakened it.
Selon un autre objet, la présente invention propose une méthode d'installation d'un plancher en creux dans la partie arrière de caisse d'un véhicule automobile, ledit véhicule automobile comprenant en outre des amortisseurs, tandis que ladite partie arrière comprend des éléments de structure, lesdits éléments de structure comprenant des zones d'ancrage pour pouvoir ancrer lesdits amortisseurs, lad ite méthode étant du type selon laquelle, on fourn it un plancher en creux présentant des bords latéraux délimitant un espace intérieur dudit plancher, et on relie ledit plancher en creux auxdits éléments de structure ; selon l'invention, on fournit un plancher en creux présentant une lumière de passage dans au moins un desdits bords latéraux ; et on installe ledit plancher en creux entre lesdits éléments de structure de façon que ladite lumière de passage soit ajustée en regard de l'une desdites zones d'ancrage de manière à pouvoir traverser ladite lumière de passage pour pénétrer depuis l'extérieur dudit plancher en creux et par le dessous dudit plancher en creux, à l'intérieur dudit espace intérieur, et à pouvoir ressortir dudit espace intérieur à travers ladite lumière de passage pour venir ancrer l'un desdits amortisseurs.  According to another object, the present invention proposes a method of installing a hollow floor in the rear body of a motor vehicle, said motor vehicle further comprising dampers, while said rear part comprises elements of structure, said structural elements comprising anchoring zones for anchoring said dampers, said method being of the type according to which, it provides a hollow floor having lateral edges delimiting an interior space of said floor, and said floor is connected to recessed to said structural members; according to the invention, there is provided a hollow floor having a passage lumen in at least one of said side edges; and said hollow floor is installed between said structural members so that said passage lumen is fitted opposite one of said anchoring zones so as to be able to pass through said passage lumen to penetrate from the outside of said floor into hollow and from below said hollow floor, inside said interior space, and to be able to emerge from said interior through said passage lumen to anchor one of said dampers.
Selon une caractéristique de l'invention, on engage depuis l'extérieur un outil d'ancrage dans l'espace intérieur à travers la lumière de passage pour mettre en prise l'outil d'ancrage avec un élément vissable.  According to a feature of the invention, from the outside is engaged an anchoring tool in the interior space through the passage lumen to engage the anchoring tool with a screw element.
On expliquera plus en détail dans la suite de la description des avantages d'une telle méthode.  The advantages of such a method will be explained in more detail below.
D'autres particularités et avantages de l'invention ressortiront à la lecture de la description faite ci-après d'un mode de réalisation particulier de l'invention, donné à titre indicatif mais non limitatif, en référence aux dessins annexés sur lesquels : Other features and advantages of the invention will emerge on reading the following description of a particular embodiment of the invention, given by way of indication but not limitation, with reference to the accompanying drawings in which:
- la Figure 1 est une vue schématique en élévation de côté d'un plancher en creux selon l'invention ; - la Figure 2 est une vue schématique arrière en perspective du plancher en creux représenté sur la Figure 1 et dans une étape de montage ; et, - Figure 1 is a schematic elevational side view of a hollow floor according to the invention; - Figure 2 is a rear schematic perspective view of the hollow floor shown in Figure 1 and in a mounting step; and,
- la Figure 3 est une vue schématique en coupe transversale du plancher en creux illustré sur la Figure 2 durant l'étape de montage.  - Figure 3 is a schematic cross-sectional view of the hollow floor shown in Figure 2 during the mounting step.
La Figure 1 illustre une partie arrière 10 de caisse d'un véhicule automobile comprenant, d'une part, un plancher en creux 12 métallique définissant un espace intérieur 14 et, d'autre part, deux sièges arrière de troisième rang, un premier siège arrière 16 en position repliée à l'intérieur de l'espace intérieur 14 du plancher en creux 12 et un second siège arrière 18 déployé en position d'assise au-dessus du plancher en creux 12. FIG. 1 illustrates a rear body part 10 of a motor vehicle comprising, on the one hand, a metal hollow floor 12 defining an interior space 14 and, on the other hand, two third-row rear seats, a first seat. rear 16 in the folded position inside the inner space 14 of the recessed floor 12 and a second rear seat 18 deployed in the seating position above the hollow floor 12.
Le plancher en creux 12 présente une paroi de fond 20 et un bord arrière 22 opposé à un bord avant 24. Le bord arrière 22 s'étend sensiblement perpendiculairement à la paroi de fond 20, tandis que le bord avant 24 est incliné d'environ 45° par rapport à la normale à la paroi de fond 20.  The hollow floor 12 has a bottom wall 20 and a rear edge 22 opposite a front edge 24. The rear edge 22 extends substantially perpendicular to the bottom wall 20, while the front edge 24 is inclined approximately 45 ° to the normal to the bottom wall 20.
On se reportera sur la figure 2 où le plancher en creux 12 est représenté en perspective de trois quarts arrière. On y retrouve la paroi de fond 20 et le bord avant 24 opposé au bord arrière 22. Le plancher en creux 12 présente en outre deux bords latéraux opposés 26, 28, lesquels comportent deux flancs inclinés opposés 30, 32 rejoignant respectivement en oblique le bord avant 24. Les flancs inclinés 30, 32 sont respectivement inclinés par rapport à la paroi de fond 20 d'un angle voisin de 135°. Chacun des deux flancs inclinés opposés 30, 32 présente une lumière oblongue de passage 36 ménagée près du bord avant 24. Les l um ières oblongues de passage 36 sont respectivement orientées sensiblement perpendiculairement aux lignes d'intersection 38, 40 où se rejoignent les flancs inclinés 30, 32 et la paroi de fond 20. Par ailleurs, dans certaines circonstances, il est prévu d'équiper le plancher en creux 12 d'une pièce de renfort, non représentée, et apte à être montée autour de ladite lumière de passage 36 pour renforcer mécaniquement les bords latéraux 26, 28.  Referring to Figure 2 where the hollow floor 12 is shown in perspective of three quarters rear. There is found the bottom wall 20 and the front edge 24 opposite the rear edge 22. The hollow floor 12 also has two opposite side edges 26, 28, which have two opposite inclined sides 30, 32 respectively joining obliquely the edge before 24. The inclined flanks 30, 32 are respectively inclined relative to the bottom wall 20 by an angle of about 135 °. Each of the two opposite inclined flanks 30, 32 has an elongate passage opening 36 formed near the front edge 24. The oblong passage lugs 36 are respectively oriented substantially perpendicular to the intersection lines 38, 40 where the inclined flanks meet. 30, 32 and the bottom wall 20. Furthermore, in certain circumstances, it is intended to equip the hollow floor 12 with a reinforcing piece, not shown, and adapted to be mounted around said passage light 36 for mechanically reinforcing the lateral edges 26, 28.
Les bords latéraux opposés 26, 28 se prolongent respectivement par des bordures de fixation en retour 42, 44. Ces bordures de fixation en retour 42, 44, les bords latéraux opposés 26, 28 et la paroi de fond 20 sont représentés de manière transparente et ainsi, apparaît sous les bordures de fixation en retour 42, 44 des éléments de structure. Deux éléments de structure parallèles 46, 48 sont respectivement prolongés par deux éléments de structure obliques 50, 52 convergeant l'un vers l'autre. Ces deux éléments de structure obliques 50, 52 sont réunis ensemble par un élément de structure transversal 54. Les éléments de structure obliques 50, 52 présentent des zones d'ancrage respectivement équipées de chapes 56, 58 permettant de fixer par vissage des amortisseurs couchés du train en H. The opposite lateral edges 26, 28 are respectively extended by retaining edges 42, 44. These retaining edges 42, 44, the opposite lateral edges 26, 28 and the bottom wall 20 are shown in a transparent manner and thus appear under the back fastening edges 42, 44 of the structural elements. Two parallel structural elements 46, 48 are respectively extended by two oblique structural elements 50, 52 converging towards one another. These two oblique structural elements 50, 52 are joined together by a transverse structure element 54. The oblique structural elements 50, 52 have anchor zones respectively equipped with yokes 56, 58 for fixing by screwing the coated dampers of the train in H.
Ainsi, le plancher en creux 12 est monté en appui sur les éléments de structure 46, 48, 50, 52 par l'intermédiaire de leur bordure de fixation en retour 42 , 44 , d e fa ço n à ce q u e l es l u m iè res d e passag e 36 s'éte nd ent respectivement en regard des chapes 56, 58. Pour des raisons techniques, le plancher en creux 1 2 en matériau métall ique est monté et soudé sur les éléments de structure 46, 48, 50, 52 en atelier de tôlerie afin de pouvoir être plongé avec la caisse dans les bains de cataphorèse.  Thus, the hollow floor 12 is mounted in abutment on the structural elements 46, 48, 50, 52 through their retaining edge 42, 44, so that the light of the passag e 36 goes off respectively opposite the yokes 56, 58. For technical reasons, the hollow floor 1 2 metal material is mounted and welded to the structural elements 46, 48, 50, 52 in the workshop sheet metal so that you can be immersed with the crate in the cataphoresis baths.
Ensuite, et après au moins un traitement thermique, les caisses de véhicule automobile sont installées sur les chaînes de montage et les amortisseurs arrière, droite et gauche, notamment, sont montés. Pour ce faire, tandis que l'amortisseur est maintenu dans l'une ou l'autre chape 56, 58, une vis est introduite depuis l'espace intérieur 14 du plancher en creux 12 à travers la lumière de passage 36 pour être engagée à travers la chape 56, 58 et l'amortisseur. Puis une visseuse 60 à commande électrique ou pneumatique est introduite par le dessous du plancher en creux 12, à travers la lumière de passage 36 pour être portée en prise sur la vis.  Then, and after at least one heat treatment, the motor vehicle bodies are installed on the assembly lines and the rear shock absorbers, right and left, in particular, are mounted. To do this, while the damper is held in one or the other clevis 56, 58, a screw is introduced from the interior space 14 of the hollow floor 12 through the passage opening 36 to be engaged to through the yoke 56, 58 and the damper. Then a screwdriver 60 electrically or pneumatically is introduced from below the hollow floor 12, through the passage lumen 36 to be engaged on the screw.
On se reportera à présent sur la figure 3 afin de décrire plus en détail le mode d'installation de l'amortisseur grâce aux lumières de passage 36 du plancher en creux 12. On retrouve également sur cette figure l'une des chapes 58 à travers laquelle est partiellement engagée une vis 62 sur laquelle est portée en prise la visseuse 60. Cette dernière présente une tête 64 apte à recevoir directement la tête de la vis 62 et un corps 66. Grâce à la lumière de passage 36, ménagée dans le flanc incliné 32, la visseuse 60 a pu être introduite verticalement selon la flèche V depuis le dessous du plancher en creux 12, et à travers la lumière de passage 36 dans l'espace intérieur 14. Ensuite, la tête 64 de la visseuse 60 a été entraînée horizontalement à travers la lumière de passage 36 à l'extérieur du plancher en creux 12 pour pouvoir venir en prise avec la vis 62. Ainsi, la visseuse 60 est- elle maintenue dans l'espace intérieur 14 à travers la lumière de passage 36 durant l'entraînement en rotation de la vis 62 et le vissage de l'amortisseur dans la chape 58. Reference will now be made to FIG. 3 in order to describe in more detail the method of installation of the damper by virtue of the passage apertures 36 of the hollow floor 12. In this figure, one of the clevises 58 is also seen through which is partially engaged a screw 62 on which is engaged the screwdriver 60. The latter has a head 64 adapted to receive directly the head of the screw 62 and a body 66. Thanks to the passage lumen 36, formed in the inclined flank 32, the screwdriver 60 could be introduced vertically along the arrow V from the bottom of the hollow floor 12, and through the passage lumen 36 into the interior space 14. Then, the head 64 of the screwdriver 60 has been driven horizontally through the passage lumen 36 to the outside of the hollow floor 12 to be able to engage the screw 62. Thus, the screwdriver 60 is maintained in the internal space 14 through the passage lumen 36 during the driving in rotation of the screw 62 and the screwing of the damper in the yoke 58.
Ensuite, la visseuse 60 est dégagée de la vis 62 vers l'intérieur du plancher en creux 12 à travers la lumière de passage 36 puis est retirée vers l'extérieur, toujours à travers la lumière de passage 36.  Then, the screwdriver 60 is disengaged from the screw 62 towards the interior of the hollow floor 12 through the passage opening 36 and is then withdrawn outwards, always through the through-hole 36.
L'autre amortisseur est monté selon la même procédure grâce à l'autre lumière de passage 36.  The other damper is mounted according to the same procedure thanks to the other passage lumen 36.
Ensuite, les lumières de passage 36 sont obturées au moyen d'une pièce d'obturation démontable non représentée, par exemple réal isée dans un matériau plastique élastomère, afin de préserver le plancher en creux 12 des pénétrations d'eau.  Then, the passage lumens 36 are closed by means of a not shown removable sealing piece, for example made of an elastomeric plastic material, in order to preserve the hollow floor 12 of the water penetrations.
Ainsi, la présente invention propose également une méthode d'installation d'un plancher en creux métallique, et par conséquent plus économique qu'un plancher en creux en matière plastique, et lequel plancher en creux métallique présente des bords latéraux dans lesquels sont pratiquées des lumières de passage pour pouvoir monter les amortisseurs du véhicule.  Thus, the present invention also provides a method of installing a metal hollow floor, and therefore more economical than a hollow plastic floor, and which metal hollow floor has side edges in which are made of passing lights to mount the shock absorbers of the vehicle.

Claims

REVENDICATIONS
1 . Plancher en creux (12) destiné à être installé dans la partie arrière (10) de caisse d'un véhicule automobile, ledit plancher en creux (12) présentant des bords latéraux (26, 28) délimitant un espace intérieur (14) dudit plancher, ladite partie arrière (10) comprenant des éléments de structure (46, 48, 50, 52, 54), ledit plancher en creux (12) étant apte à être rel ié auxdits éléments de structure, ledit véhicule automobile comprenant en outre des amortisseurs, tandis que lesdits éléments de structure (46, 48, 50, 52, 54) comprennent des zones d'ancrage pour pouvoir ancrer lesdits amortisseurs ; 1. Recessed floor (12) for installation in the rear body section (10) of a motor vehicle, said hollow floor (12) having side edges (26, 28) defining an interior space (14) of said floor said rear portion (10) comprising structural elements (46, 48, 50, 52, 54), said hollow floor (12) being adapted to be connected to said structural members, said motor vehicle further comprising dampers , while said structural members (46, 48, 50, 52, 54) comprise anchor zones for anchoring said dampers;
caractérisé en ce qu'au moins un desdits bords latéraux (26, 28) dudit plancher en creux (12) présente une lumière de passage (36) ;  characterized in that at least one of said side edges (26, 28) of said hollow floor (12) has a passage lumen (36);
et en ce que ledit plancher en creux (12) est apte à être installé entre lesdits éléments de structure (46, 48, 50, 52, 54) de façon que ladite lumière de passage (36) soit ajustée en regard de l'une desdites zones d'ancrage de manière à pouvoir traverser ladite lumière de passage (36) pour pénétrer depuis l'extérieur dudit plancher en creux (12) et par le dessous dudit plancher en creux (12) pour pénétrer à l'intérieur dudit espace intérieur (14) et à pouvoir ressortir dudit espace intérieur à travers ladite lumière de passage (36) pour venir ancrer l'un desdits amortisseurs.  and in that said hollow floor (12) is adapted to be installed between said structural members (46, 48, 50, 52, 54) so that said passage lumen (36) is fitted opposite one said anchoring zones so as to be able to pass through said passage lumen (36) to penetrate from outside said hollow floor (12) and from below said hollow floor (12) to penetrate inside said interior space (14) and to be able to emerge from said interior space through said passage lumen (36) to anchor one of said dampers.
2. Plancher en creux selon la revendication 1 , caractérisé en ce qu'il est fabriqué dans un matériau métallique. 2. hollow floor according to claim 1, characterized in that it is made of a metallic material.
3. Plancher en creux selon la revendication 1 ou 2, caractérisé en ce qu'il présente une paroi de fond (20), tandis que lesdits bords latéraux (26, 28) présentent des flancs inclinés (30, 32) par rapport à la normale à ladite paroi de fond (20). 3. hollow floor according to claim 1 or 2, characterized in that it has a bottom wall (20), while said side edges (26, 28) have inclined flanks (30, 32) relative to the normal to said bottom wall (20).
4. Plancher en creux selon la revendication 3, caractérisé en ce que ladite paroi de fond (20) et lesdits flancs inclinés (30, 32) présentent une ligne d'intersection (38, 40) et en ce que ladite lumière de passage (36) s'étend longitudinalement dans lesdits flancs inclinés (30, 32) selon une direction sensiblement perpendiculaire à ladite ligne d'intersection (38, 40). 4. hollow floor according to claim 3, characterized in that said bottom wall (20) and said inclined flanks (30, 32) have an intersecting line (38, 40) and in that said passage lumen ( 36) extends longitudinally in said inclined flanks (30, 32) in a direction substantially perpendicular to said intersecting line (38, 40).
5. Plancher en creux selon l'une quelconque des revendications 1 à 4, caractérisé en ce que lesdits deux bords latéraux opposés (26, 28) sont terminés par une bordure de fixation en retour (42, 44). 5. hollow floor according to any one of claims 1 to 4, characterized in that said two opposite side edges (26, 28) are terminated by a return fastening edge (42, 44).
6. Plancher en creux selon la revendication 5, caractérisé en ce que ladite bordure de fixation en retour (42, 44) est apte à venir prendre appui sur lesdits éléments de structure (46, 48, 50, 52, 54). 6. hollow floor according to claim 5, characterized in that said retaining edge (42, 44) is adapted to bear on said structural members (46, 48, 50, 52, 54).
7. Plancher en creux selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'il comprend une pièce d'obturation démontable destinée à être montée à travers ladite lumière de passage (36) pour obturer ladite lumière de passage. 7. hollow floor according to any one of claims 1 to 6, characterized in that it comprises a removable sealing piece intended to be mounted through said passage lumen (36) for closing said passage lumen.
8. Plancher en creux selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il comprend une pièce de renfort montée autour de ladite lumière de passage (36) pour renforcer mécaniquement ledit au moins un desdits bords latéraux (26, 28). 8. hollow floor according to any one of claims 1 to 7, characterized in that it comprises a reinforcement piece mounted around said passage lumen (36) for mechanically reinforcing said at least one of said side edges (26, 28).
9. Méthode d'installation d'un plancher en creux (12) dans la partie arrière (10) de caisse d'un véhicule automobile, ledit véhicule automobile comprenant en outre des amortisseurs, tandis que ladite partie arrière (10) comprend des éléments de structure (46, 48, 50, 52, 54), lesdits éléments de structure comprenant des zones d'ancrage pour pouvoir ancrer lesd its amortisseurs, ladite méthode étant du type selon laquelle, on fournit un plancher en creux (12) présentant des bords latéraux (26, 28) délimitant un espace intérieur (14) dudit plancher (12), et on relie ledit plancher en creux auxdits éléments de structure (46, 48, 50, 52, 54) ; caractérisée en ce qu'on fournit un plancher en creux (12) présentant une lumière de passage (36) dans au moins un desdits bords latéraux (26, 28) et en ce qu'on installe ledit plancher en creux (12) entre lesdits éléments de structure (46, 48, 50, 52, 54) de façon que ladite lumière de passage (36) soit ajustée en regard de l'une desdites zones d'ancrage de manière à pouvoir traverser ladite lumière de passage (36) pour pénétrer depuis l'extérieur dudit plancher en creux (12) et par le dessous dudit plancher en creux (12), à l'intérieur dudit espace intérieur (14) et à pouvoir ressortir dud it espace intérieur à travers ladite lumière de passage (36) pour venir ancrer l'un desdits amortisseurs. 9. A method of installing a recessed floor (12) in the rear body portion (10) of a motor vehicle, said motor vehicle further comprising dampers, while said rear portion (10) comprises elements structure (46, 48, 50, 52, 54), said structural elements including anchor zones for anchoring the said dampers, said method being of the type in which a hollow floor (12) is provided which has side edges (26, 28) defining an interior space (14) of said floor (12), and connecting said hollow floor to said structural members (46, 48, 50, 52, 54); characterized by providing a recessed floor (12) having a passage lumen (36) in at least one of said side edges (26, 28) and in that said hollow floor (12) is installed between said structural members (46, 48, 50, 52, 54) such that said passage lumen (36) is fitted opposite one of said anchor zones so as to be able to pass through said passage lumen (36) for penetrating from outside said hollow floor (12) and from below said hollow floor (12), into said interior space (14) and being able to emerge from said interior space through said passageway (36); ) to anchor one of said dampers.
10. Méthode d'installation selon la revendication 9, caractérisée en ce qu'on engage depuis l'extérieur un outil d'ancrage dans l'espace intérieur à travers la lumière de passage pour mettre en prise l'outil d'ancrage avec un élément vissable. 10. Installation method according to claim 9, characterized in that from the outside engages an anchoring tool in the interior space through the passage lumen to engage the anchoring tool with a screw element.
PCT/FR2012/052205 2011-09-30 2012-09-28 Depressed vehicle floor and method for installation in connection with the shock-absorbers WO2013057403A1 (en)

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EP12775790.4A EP2760699A1 (en) 2011-09-30 2012-09-28 Depressed vehicle floor and method for installation in connection with the shock-absorbers

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FR1158832A FR2980760B1 (en) 2011-09-30 2011-09-30 HOLLOW FLOOR AND INSTALLATION METHOD
FR1158832 2011-09-30

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JPH08133133A (en) * 1994-11-14 1996-05-28 Toyota Motor Corp Rear body structure for automobile
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JP2006044366A (en) * 2004-08-02 2006-02-16 Toyota Motor Corp Shock absorber mounting structure

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JPH07164848A (en) * 1993-12-17 1995-06-27 Nissan Motor Co Ltd Linking part structure of rear suspension
JP4138074B2 (en) * 1998-05-11 2008-08-20 本田技研工業株式会社 Vehicle body structure
DE102010055960A1 (en) * 2010-12-23 2011-08-25 Daimler AG, 70327 Trough part for use in body of motor vehicle i.e. passenger car, has aluminum extruded component connected with aluminum casting component and comprising chambers that are separated by walls, where components form base of trough part

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Publication number Priority date Publication date Assignee Title
JPH08133133A (en) * 1994-11-14 1996-05-28 Toyota Motor Corp Rear body structure for automobile
JPH09220917A (en) * 1996-02-20 1997-08-26 Mitsubishi Motors Corp Car body structure
US20040201259A1 (en) * 2003-01-17 2004-10-14 Keisuke Shibata Vehicle body structure
JP2006044366A (en) * 2004-08-02 2006-02-16 Toyota Motor Corp Shock absorber mounting structure

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FR2980760A1 (en) 2013-04-05
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