WO2012168611A1 - Motor vehicle body shell lower side member and vehicle equipped with such side members - Google Patents

Motor vehicle body shell lower side member and vehicle equipped with such side members Download PDF

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Publication number
WO2012168611A1
WO2012168611A1 PCT/FR2012/051100 FR2012051100W WO2012168611A1 WO 2012168611 A1 WO2012168611 A1 WO 2012168611A1 FR 2012051100 W FR2012051100 W FR 2012051100W WO 2012168611 A1 WO2012168611 A1 WO 2012168611A1
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WO
WIPO (PCT)
Prior art keywords
spar
reinforcement
spar reinforcement
body side
door
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Application number
PCT/FR2012/051100
Other languages
French (fr)
Inventor
Henri Jacques CELARIER
Original Assignee
Peugeot Citroen Automobiles Sa
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Filing date
Publication date
Application filed by Peugeot Citroen Automobiles Sa filed Critical Peugeot Citroen Automobiles Sa
Publication of WO2012168611A1 publication Critical patent/WO2012168611A1/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
    • B62D25/02—Side panels
    • B62D25/025—Side sills thereof

Definitions

  • the present invention relates to a side sill for a motor vehicle.
  • a first type of rocker spar is shown in Figure 1, in cross section relative to the longitudinal axis of the motor vehicle.
  • This spar comprises three sheets 1, 2, 3 joined to each other by welding along their upper rabbets 1a, 2a, 3a and lower 1b, 2b, 3b.
  • Sheet 1 is the inner spar since it is adjacent to the interior of the vehicle.
  • the sheet 2 is the spar reinforcement which is located between the inner spar 1 and the outer sheet 3 which is located under a door 4 of the vehicle.
  • This sheet 3 is called the body side.
  • the sheet 3 of this body side only provides an aesthetic function, the impact resistance function being guaranteed by the reinforcement of spar 2 and the inner spar 1.
  • the outer sheet constituting the body side instead of being monobloc, is in two parts 3c, 3d respectively constituting the upper and lower part of the body side.
  • connection between these two parts 3c and 3d is provided by visible welding spots and a sealing bead.
  • the sheet metal body side two parts 3c, 3d provides only an aesthetic function.
  • FIG. 1 A third type of spar is shown in FIG. 1
  • the spar reinforcement 6 is partially externally covered by a body side sheet 7 extending between the upper rebate 6a of the spar reinforcement 6 and an area 6b of the latter.
  • This body side plate 7 serves as support for the inner seal 8 of the side door 9.
  • the lower part 7a of the body side plate 7 and the lower part of the spar reinforcement 6 are covered externally by a plastic underbody 10.
  • This plastic underbody 10 is fixed on the body side sheet 7 and on the spar reinforcement 6 by means of staples 1 1, 12.
  • the body side plate 7 and the plastic underbody 10 have only an aesthetic function.
  • the parts of the spar that provide the shock-resistant function namely the spar reinforcement and the inner spar, are masked by a sheet and / or a rocker made of plastic material which ensure an aesthetic function. .
  • the purpose of the present invention is to simplify the structure of a sill spar, reduce its manufacturing cost and reduce its mass.
  • a sill spar for a motor vehicle comprising an inner spar and a spar reinforcement whose upper and lower rebates are welded together to form a hollow body, a portion of the reinforcement of spar being externally covered by a body side sheet whose upper edge is welded to the upper rebate of the spar reinforcement, characterized in that the lower edge of said body side sheet is welded to an upper portion of said spar reinforcement which is intended to be masked by the underside of a side door of the vehicle when the door is closed and in that the remaining portion of the spar reinforcement is discovered and visible from the outside.
  • the spar reinforcement has a portion not covered by the body side sheet, that is to say visible, this reinforcement provides an aesthetic function in addition to its shock resistant function.
  • the manufacture of such a spar is therefore less expensive and has a smaller mass than the sill spars described above.
  • the lower edge of said body side sheet is welded to the upper part of the spar reinforcement by laser brazing.
  • This laser welding technique makes it possible to obtain a weld having a more aesthetic appearance than conventional electric welds.
  • said upper part of the spar reinforcement extends between its upper rabbet and a line which is flush with the lower and outer edge of the door when it is closed and the lower edge of said body side sheet is welded substantially in the middle of this upper part of the spar reinforcement.
  • said upper portion of the spar reinforcement has a shoulder in the area which is covered by said body side sheet, the latter itself having a shoulder facing and spaced from the shoulder of the spar reinforcement.
  • This shoulder of the body side plate can thus have a bearing surface function for a seal of the door.
  • the upper part of the spar reinforcement is connected to a visible side portion of the spar reinforcement which is flush with the outer surface of the door when the latter is closed;
  • the said lateral portion of the spar reinforcement is connected to a lower part whose end comprises the lower rabbet by a portion having a curvature whose convexity is directed downwards to mask said lower rabbet.
  • the invention also relates to a motor vehicle equipped on each side with a sill spar according to the invention.
  • FIG. 4 is a cross-sectional view of a sill spar according to the invention and the lower part of a side door in the closed position.
  • Figure 4 shows a sill spar for a motor vehicle comprising an inner spar 13 and a spar reinforcement 14 whose upper rabbets 13a, 14a and lower 13b, 14b are welded together to form a hollow body.
  • the upper portion 15 of the spar reinforcement 14 is externally covered by a body side plate 16 whose upper edge 16a is welded against the upper rabbet 14a of the spar reinforcement 14.
  • the lower edge 16b of the body side plate 16 is welded to an upper portion 15 of the spar reinforcement 14 which is intended to be masked by the underside 17a of a side door 17 of the vehicle when this door is closed.
  • all this part of the spar reinforcement 14 can be painted in the same color as the rest of the vehicle body.
  • the lower edge 16b of the body side plate 16 is welded to the upper portion 15 of the spar reinforcement 14 by laser welding brazing, which allows to obtain a weld significantly more aesthetic than conventional electrical welds.
  • the upper portion 15 of the spar reinforcement 14 extends between its upper rabbet 14a and a line L which is flush with the lower and outer edge 17b of the door 17 when the latter is closed.
  • the lower edge 16b of the body side plate 16 is welded substantially in the middle of this upper part 15 of the spar reinforcement 14.
  • FIG. 4 also shows that the upper part 15 of the spar reinforcement 14 has a shoulder 15a in the zone which is covered by the body side plate 16.
  • this sheet 16 itself has a shoulder 16c opposite and spaced from the shoulder 15a of the spar reinforcement 14.
  • This shoulder 16c of the body side plate 16 has a bearing surface function for the inner seal 18 of the door 17, as shown in FIG. 4.
  • Figure 4 further shows that the upper portion 15 of the spar reinforcement 14 is connected to a visible side portion 20 of the spar reinforcement which is flush with the outer surface of the door 17 when the latter is closed.
  • the lateral portion 20 of the spar reinforcement 14 is connected to a lower portion 21, one end of which comprises the lower rabbet 14b by a portion 22 having a curvature whose convexity is directed downwards to mask the lower rabbet 14b.
  • This portion 22 having a curvature contributes to impart an aesthetic appearance to the spar reinforcement 14.
  • the spar reinforcement 14 is only slightly covered by the body side sheet 16 has an aesthetic function that adds to its primary function of shock resistance.
  • the body side sheet 16 covers only a small portion of the spar reinforcement 14, the mass of the spar assembly is reduced and the cost of its manufacture is decreased.

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

Abstract

Motor vehicle body shell lower side member comprising an inner side member (13) and a side member reinforcement (14) of which the upper (13a, 14a) and lower (13b, 14b) flanges are welded together to form a hollow body, part (15) of the side member reinforcement (14) being covered on the outside with a body shell side panel (16) of which the upper edge (16a) is welded to the upper flange (14a) of the side member reinforcement (14), characterized in that the lower edge (16b) of said body shell side panel (16) is welded to an upper part (15) of said side member reinforcement (14) which part is intended to be hidden by the lower face (17a) of a side door (17) of the vehicle when this door is closed, and in that the remaining part of the side member reinforcement (14) is uncovered and visible from the outside.

Description

LONGERON DE BAS DE CAISSE POUR VEHICULE AUTOMOBILE ET  BODY LONGERON FOR MOTOR VEHICLE AND
VEHICULE EQUIPE DE TELS LONGERONS  VEHICLE EQUIPPED WITH SUCH LONGERONS
La présente invention concerne un longeron de bas de caisse pour véhicule automobile. The present invention relates to a side sill for a motor vehicle.
On connaît différents types de longerons de bas de caisse.  Different types of sill rails are known.
Un premier type de longeron de bas de caisse est représenté sur la figure 1 , en coupe transversale par rapport à l'axe longitudinal du véhicule automobile.  A first type of rocker spar is shown in Figure 1, in cross section relative to the longitudinal axis of the motor vehicle.
Ce longeron comprend trois tôles 1 , 2, 3 assemblées l'une à l'autre par soudure le long de leurs feuillures supérieures 1 a, 2a, 3a et inférieures 1 b, 2b, 3b.  This spar comprises three sheets 1, 2, 3 joined to each other by welding along their upper rabbets 1a, 2a, 3a and lower 1b, 2b, 3b.
La tôle 1 est le longeron intérieur puisqu'il est adjacent à l'intérieur du véhicule.  Sheet 1 is the inner spar since it is adjacent to the interior of the vehicle.
La tôle 2 est le renfort de longeron qui est situé entre le longeron intérieur 1 et la tôle extérieure 3 qui est située sous une porte 4 du véhicule.  The sheet 2 is the spar reinforcement which is located between the inner spar 1 and the outer sheet 3 which is located under a door 4 of the vehicle.
Cette tôle 3 est appelée côté de caisse.  This sheet 3 is called the body side.
Dans le cas de la figure 1 la tôle 3 du côté de caisse est monobloc.  In the case of Figure 1 the sheet 3 of the body side is monobloc.
La tôle 3 de ce côté de caisse n'assure qu'une fonction esthétique, la fonction de tenue en choc étant garantie par le renfort de longeron 2 et le longeron intérieur 1 .  The sheet 3 of this body side only provides an aesthetic function, the impact resistance function being guaranteed by the reinforcement of spar 2 and the inner spar 1.
Dans le cas de la figure 2, la tôle extérieure constituant le côté de caisse, au lieu d'être monobloc, est en deux parties 3c, 3d constituant respectivement la partie supérieure et la partie inférieure du côté de caisse.  In the case of Figure 2, the outer sheet constituting the body side, instead of being monobloc, is in two parts 3c, 3d respectively constituting the upper and lower part of the body side.
La liaison entre ces deux parties 3c et 3d est assurée par des points de soudure visibles et par un cordon d'étanchéité.  The connection between these two parts 3c and 3d is provided by visible welding spots and a sealing bead.
Dans ce type de longeron, comme dans le cas de celui représenté sur la figure 1 , la tôle du côté de caisse en deux parties 3c, 3d n'assure qu'une fonction esthétique.  In this type of spar, as in the case of that shown in Figure 1, the sheet metal body side two parts 3c, 3d provides only an aesthetic function.
Un troisième type de longeron est représenté sur la figure 3.  A third type of spar is shown in FIG.
Dans ce type de longeron, on retrouve un longeron intérieur 5 et un renfort de longeron 6.  In this type of spar, there is an inner spar 5 and a spar reinforcement 6.
Le renfort de longeron 6 est partiellement recouvert extérieurement par une tôle de côté de caisse 7 s'étendant entre la feuillure supérieure 6a du renfort de longeron 6 et une zone 6b de ce dernier. Cette tôle de côté de caisse 7 sert d'appui pour le joint intérieur 8 de la porte latérale 9. The spar reinforcement 6 is partially externally covered by a body side sheet 7 extending between the upper rebate 6a of the spar reinforcement 6 and an area 6b of the latter. This body side plate 7 serves as support for the inner seal 8 of the side door 9.
Par ailleurs, la partie inférieure 7a de la tôle de côté de caisse 7 et la partie inférieure du renfort de longeron 6 sont recouvertes extérieurement par un bas de caisse en matière plastique 10.  Furthermore, the lower part 7a of the body side plate 7 and the lower part of the spar reinforcement 6 are covered externally by a plastic underbody 10.
Ce bas de caisse en matière plastique 10 est fixé sur la tôle de côté de caisse 7 et sur le renfort de longeron 6 au moyen d'agrafes 1 1 , 12.  This plastic underbody 10 is fixed on the body side sheet 7 and on the spar reinforcement 6 by means of staples 1 1, 12.
Comme dans le cas du longeron, représenté sur les figures 1 et 2, la tôle de côté de caisse 7 et le bas de caisse en matière plastique 10 présentent uniquement une fonction esthétique.  As in the case of the spar, shown in Figures 1 and 2, the body side plate 7 and the plastic underbody 10 have only an aesthetic function.
Seuls le renfort de longeron 6 et le longeron intérieur 5 assurent la fonction de tenue en choc.  Only the spar reinforcement 6 and the inner spar 5 provide the shock resistance function.
Ainsi, dans tous les cas, les parties du longeron qui assurent la fonction tenue en choc, à savoir le renfort de longeron et le longeron intérieur, sont masquées par une tôle et/ou un bas de caisse en matière plastique qui assurent une fonction esthétique.  Thus, in all cases, the parts of the spar that provide the shock-resistant function, namely the spar reinforcement and the inner spar, are masked by a sheet and / or a rocker made of plastic material which ensure an aesthetic function. .
Le but de la présente invention est de simplifier la structure d'un longeron de bas de caisse, de réduire son coût de fabrication et de diminuer sa masse.  The purpose of the present invention is to simplify the structure of a sill spar, reduce its manufacturing cost and reduce its mass.
Ce but est atteint, selon l'invention, grâce à un longeron de bas de caisse pour véhicule automobile comprenant un longeron intérieur et un renfort de longeron dont les feuillures supérieures et inférieures sont soudées ensemble pour former un corps creux, une partie du renfort de longeron étant recouverte extérieurement par une tôle de côté de caisse dont le bord supérieur est soudé à la feuillure supérieure du renfort de longeron, caractérisé en ce que le bord inférieur de ladite tôle de côté de caisse est soudé à une partie supérieure dudit renfort de longeron qui est destinée à être masquée par la face inférieure d'une porte latérale du véhicule lorsque cette porte est fermée et en ce que la partie restante du renfort de longeron est découverte et visible de l'extérieur.  This object is achieved, according to the invention, with a sill spar for a motor vehicle comprising an inner spar and a spar reinforcement whose upper and lower rebates are welded together to form a hollow body, a portion of the reinforcement of spar being externally covered by a body side sheet whose upper edge is welded to the upper rebate of the spar reinforcement, characterized in that the lower edge of said body side sheet is welded to an upper portion of said spar reinforcement which is intended to be masked by the underside of a side door of the vehicle when the door is closed and in that the remaining portion of the spar reinforcement is discovered and visible from the outside.
Etant donné que le renfort de longeron présente une partie non recouverte par la tôle de côté de caisse, c'est-à-dire visible, ce renfort assure une fonction esthétique en plus de sa fonction tenue en choc. La fabrication d'un tel longeron est par conséquent moins coûteuse et il présente une masse moins importante que les longerons de bas de caisse décrits plus haut. Since the spar reinforcement has a portion not covered by the body side sheet, that is to say visible, this reinforcement provides an aesthetic function in addition to its shock resistant function. The manufacture of such a spar is therefore less expensive and has a smaller mass than the sill spars described above.
De préférence, le bord inférieur de ladite tôle de côté de caisse est soudé à la partie supérieure du renfort de longeron par soudo-brasage laser.  Preferably, the lower edge of said body side sheet is welded to the upper part of the spar reinforcement by laser brazing.
Cette technique de soudage laser permet d'obtenir une soudure présentant un aspect plus esthétique que les soudures électriques classiques.  This laser welding technique makes it possible to obtain a weld having a more aesthetic appearance than conventional electric welds.
Dans un mode de réalisation avantageux de l'invention, ladite partie supérieure du renfort de longeron s'étend entre sa feuillure supérieure et une ligne qui affleure le bord inférieur et extérieur de la porte lorsque celle-ci est fermée et le bord inférieur de ladite tôle de côté de caisse est soudé sensiblement au milieu de cette partie supérieure du renfort de longeron.  In an advantageous embodiment of the invention, said upper part of the spar reinforcement extends between its upper rabbet and a line which is flush with the lower and outer edge of the door when it is closed and the lower edge of said body side sheet is welded substantially in the middle of this upper part of the spar reinforcement.
De préférence également, ladite partie supérieure du renfort de longeron présente un épaulement dans la zone qui est recouverte par ladite tôle de côté de caisse, cette dernière comportant elle-même un épaulement en regard et espacé de l'épaulement du renfort de longeron.  Also preferably, said upper portion of the spar reinforcement has a shoulder in the area which is covered by said body side sheet, the latter itself having a shoulder facing and spaced from the shoulder of the spar reinforcement.
Cet épaulement de la tôle de côté de caisse peut ainsi présenter une fonction de surface d'appui pour un joint d'étanchéité de la porte.  This shoulder of the body side plate can thus have a bearing surface function for a seal of the door.
Selon d'autres particularités avantageuses de l'invention :  According to other advantageous features of the invention:
- la partie supérieure du renfort de longeron est reliée à une partie latérale visible de ce renfort de longeron qui affleure la surface extérieure de la porte lorsque celle-ci est fermée ;  - The upper part of the spar reinforcement is connected to a visible side portion of the spar reinforcement which is flush with the outer surface of the door when the latter is closed;
- ladite partie latérale du renfort de longeron est reliée à une partie inférieure dont une extrémité comporte la feuillure inférieure par une partie présentant une courbure dont la convexité est dirigée vers le bas pour masquer ladite feuillure inférieure.  - The said lateral portion of the spar reinforcement is connected to a lower part whose end comprises the lower rabbet by a portion having a curvature whose convexity is directed downwards to mask said lower rabbet.
Selon un autre aspect, l'invention concerne également un véhicule automobile équipé, de chaque côté, d'un longeron de bas de caisse selon l'invention.  According to another aspect, the invention also relates to a motor vehicle equipped on each side with a sill spar according to the invention.
D'autres particularités et avantages de l'invention apparaîtront encore tout au long de la description ci-après.  Other features and advantages of the invention will become apparent throughout the description below.
Aux dessins annexés, donnés à titre d'exemples, non limitatifs : - la figure 4 est une vue en coupe transversale d'un longeron de bas de caisse selon l'invention et de la partie inférieure d'une porte latérale en position fermée. In the accompanying drawings, given by way of nonlimiting examples: - Figure 4 is a cross-sectional view of a sill spar according to the invention and the lower part of a side door in the closed position.
La figure 4 représente un longeron de bas de caisse pour véhicule automobile comprenant un longeron intérieur 13 et un renfort de longeron 14 dont les feuillures supérieures 13a, 14a et inférieures 13b, 14b sont soudées ensemble pour former un corps creux.  Figure 4 shows a sill spar for a motor vehicle comprising an inner spar 13 and a spar reinforcement 14 whose upper rabbets 13a, 14a and lower 13b, 14b are welded together to form a hollow body.
La partie supérieure 15 du renfort de longeron 14 est recouverte extérieurement par une tôle de côté de caisse 16 dont le bord supérieur 16a est soudé contre la feuillure supérieure 14a du renfort de longeron 14.  The upper portion 15 of the spar reinforcement 14 is externally covered by a body side plate 16 whose upper edge 16a is welded against the upper rabbet 14a of the spar reinforcement 14.
Conformément à l'invention, le bord inférieur 16b de la tôle de côté de caisse 16 est soudé à une partie supérieure 15 du renfort de longeron 14 qui est destinée à être masquée par la face inférieure 17a d'une porte latérale 17 du véhicule lorsque cette porte est fermée.  According to the invention, the lower edge 16b of the body side plate 16 is welded to an upper portion 15 of the spar reinforcement 14 which is intended to be masked by the underside 17a of a side door 17 of the vehicle when this door is closed.
En outre, la partie restante du renfort de longeron 14 qui est comprise entre la soudure du bord 16b de la tôle de côté de caisse et la feuillure inférieure 14b est complètement découverte et visible de l'extérieur.  In addition, the remaining portion of the spar reinforcement 14 which is between the edge weld 16b of the body side sheet and the lower rabbet 14b is completely uncovered and visible from the outside.
Ainsi, toute cette partie du renfort de longeron 14 peut être peinte de la même couleur que le reste de la carrosserie du véhicule.  Thus, all this part of the spar reinforcement 14 can be painted in the same color as the rest of the vehicle body.
De préférence, le bord inférieur 16b de la tôle de côté de caisse 16 est soudé à la partie supérieure 15 du renfort de longeron 14 par soudo-brasage laser, ce qui permet d'obtenir une soudure nettement plus esthétique que les soudures électriques classiques.  Preferably, the lower edge 16b of the body side plate 16 is welded to the upper portion 15 of the spar reinforcement 14 by laser welding brazing, which allows to obtain a weld significantly more aesthetic than conventional electrical welds.
La partie supérieure 15 du renfort de longeron 14 s'étend entre sa feuillure supérieure 14a et une ligne L qui affleure le bord inférieur et extérieur 17b de la porte 17 lorsque celle-ci est fermée.  The upper portion 15 of the spar reinforcement 14 extends between its upper rabbet 14a and a line L which is flush with the lower and outer edge 17b of the door 17 when the latter is closed.
Le bord inférieur 16b de la tôle de côté de caisse 16 est soudé sensiblement au milieu de cette partie supérieure 15 du renfort de longeron 14.  The lower edge 16b of the body side plate 16 is welded substantially in the middle of this upper part 15 of the spar reinforcement 14.
Ainsi, lorsque la porte 17 est ouverte, une moitié de la partie supérieure 15 du renfort de longeron 14 est visible et l'autre moitié est masquée par la tôle 16.  Thus, when the door 17 is open, one half of the upper part 15 of the spar reinforcement 14 is visible and the other half is masked by the sheet 16.
La figure 4 montre également que la partie supérieure 15 du renfort de longeron 14 présente un épaulement 15a dans la zone qui est recouverte par la tôle de côté de caisse 16. De plus, cette tôle 16 comporte elle-même un épaulement 16c en regard et espacé de l'épaulement 15a du renfort de longeron 14. FIG. 4 also shows that the upper part 15 of the spar reinforcement 14 has a shoulder 15a in the zone which is covered by the body side plate 16. In addition, this sheet 16 itself has a shoulder 16c opposite and spaced from the shoulder 15a of the spar reinforcement 14.
Cet épaulement 16c de la tôle de côté de caisse 16 présente une fonction de surface d'appui pour le joint d'étanchéité intérieur 18 de la porte 17, comme indiqué sur la figure 4.  This shoulder 16c of the body side plate 16 has a bearing surface function for the inner seal 18 of the door 17, as shown in FIG. 4.
Un autre joint 19 fixé près du bord extérieur 17b de la porte 17 réalise l'étanchéité avec la partie supérieure 15 du renfort de longeron 14.  Another seal 19 fixed near the outer edge 17b of the door 17 seals with the upper part 15 of the spar reinforcement 14.
La figure 4 montre en outre que la partie supérieure 15 du renfort de longeron 14 est reliée à une partie latérale 20 visible de ce renfort de longeron qui affleure la surface extérieure de la porte 17 lorsque celle-ci est fermée.  Figure 4 further shows that the upper portion 15 of the spar reinforcement 14 is connected to a visible side portion 20 of the spar reinforcement which is flush with the outer surface of the door 17 when the latter is closed.
Par ailleurs, la partie latérale 20 du renfort de longeron 14 est reliée à une partie inférieure 21 dont une extrémité comporte la feuillure inférieure 14b par une partie 22 présentant une courbure dont la convexité est dirigée vers le bas pour masquer la feuillure inférieure 14b.  Furthermore, the lateral portion 20 of the spar reinforcement 14 is connected to a lower portion 21, one end of which comprises the lower rabbet 14b by a portion 22 having a curvature whose convexity is directed downwards to mask the lower rabbet 14b.
Cette partie 22 présentant une courbure contribue à conférer un aspect esthétique au renfort de longeron 14.  This portion 22 having a curvature contributes to impart an aesthetic appearance to the spar reinforcement 14.
Les principaux avantages du longeron de bas de caisse que l'on vient de décrire sont les suivants.  The main advantages of the sill spar just described are as follows.
Le renfort de longeron 14 n'étant que faiblement recouvert par la tôle 16 de côté de caisse présente une fonction esthétique qui s'ajoute à sa fonction première de tenue en choc.  The spar reinforcement 14 is only slightly covered by the body side sheet 16 has an aesthetic function that adds to its primary function of shock resistance.
Etant donné que la tôle 16 de côté de caisse ne recouvre qu'une faible partie du renfort de longeron 14, la masse de l'ensemble du longeron est réduite et le coût de sa fabrication est diminué.  Since the body side sheet 16 covers only a small portion of the spar reinforcement 14, the mass of the spar assembly is reduced and the cost of its manufacture is decreased.

Claims

REVENDICATIONS
1 . Longeron de bas de caisse pour véhicule automobile comprenant un longeron intérieur (13) et un renfort de longeron (14) dont les feuillures supérieures (13a, 14a) et inférieures (13b, 14b) sont soudées ensemble pour former un corps creux, une partie (15) du renfort de longeron (14) étant recouverte extérieurement par une tôle de côté de caisse (16) dont le bord supérieur (16a) est soudé à la feuillure supérieure (14a) du renfort de longeron (14), caractérisé en ce que le bord inférieur (16b) de ladite tôle de côté de caisse (16) est soudé à une partie supérieure (15) dudit renfort de longeron (14) qui est destinée à être masquée par la face inférieure (17a) d'une porte latérale (17) du véhicule lorsque cette porte est fermée et en ce que la partie restante du renfort de longeron (14) est découverte et visible de l'extérieur. 1. A sill liner for a motor vehicle comprising an inner spar (13) and a spar reinforcement (14) whose upper (13a, 14a) and lower (13b, 14b) rebates are welded together to form a hollow body, a portion (15) the spar reinforcement (14) being externally covered by a body side plate (16) whose upper edge (16a) is welded to the upper rebate (14a) of the spar reinforcement (14), characterized in that that the lower edge (16b) of said body side plate (16) is welded to an upper portion (15) of said spar reinforcement (14) which is intended to be masked by the underside (17a) of a door side (17) of the vehicle when this door is closed and in that the remaining portion of the spar reinforcement (14) is exposed and visible from the outside.
2. Longeron de bas de caisse, selon la revendication 1 , caractérisé en ce que le bord inférieur (16b) de ladite tôle de côté de caisse (16) est soudé à la partie supérieure (15) du renfort de longeron (14) par soudo-brasage laser.  A rocker liner, according to claim 1, characterized in that the lower edge (16b) of said body side sheet (16) is welded to the upper portion (15) of the spar reinforcement (14) by laser brazing.
3. Longeron de bas de caisse, selon l'une des revendications 1 ou 2, caractérisé en ce que ladite partie supérieure (15) du renfort de longeron (14) s'étend entre sa feuillure supérieure (14a) et une ligne (L) qui affleure le bord inférieur et extérieur (17b) de la porte (17) lorsque celle-ci est fermée et le bord inférieur (16b) de ladite tôle de côté de caisse (16) est soudé sensiblement au milieu de cette partie supérieure (15) du renfort de longeron (14).  Sill beam, according to one of claims 1 or 2, characterized in that said upper portion (15) of the spar reinforcement (14) extends between its upper rabbet (14a) and a line (L). ) which is flush with the lower and outer edge (17b) of the door (17) when the latter is closed and the lower edge (16b) of said body side sheet (16) is welded substantially in the middle of this upper part ( 15) of the spar reinforcement (14).
4. Longeron de bas de caisse, selon l'une des revendications 1 à 3, caractérisé en ce que ladite partie supérieure (15) du renfort de longeron (14) présente un épaulement (15a) dans la zone qui est recouverte par ladite tôle de côté de caisse (16), cette dernière comportant elle-même un épaulement (16c) en regard et espacé de l'épaulement (15a) du renfort de longeron (14).  4. sill length according to one of claims 1 to 3, characterized in that said upper portion (15) of the spar reinforcement (14) has a shoulder (15a) in the area which is covered by said sheet metal body side (16), the latter itself having a shoulder (16c) opposite and spaced from the shoulder (15a) of the spar reinforcement (14).
5. Longeron de bas de caisse, selon la revendication 4, caractérisé en ce que l'épaulement (16c) de la tôle de côté de caisse (16) présente une fonction de surface d'appui pour un joint d'étanchéité (18) de la porte (17).  Sill beam according to claim 4, characterized in that the shoulder (16c) of the body side plate (16) has a bearing surface function for a seal (18). of the door (17).
6. Longeron de bas de caisse selon l'une des revendications 3 à 5, caractérisé en ce que la partie supérieure (15) du renfort de longeron (14) est reliée à une partie latérale (20) visible de ce renfort de longeron qui affleure la surface extérieure de la porte (17) lorsque celle-ci est fermée. Sill beam according to one of claims 3 to 5, characterized in that the upper part (15) of the spar reinforcement (14) is connected to a visible side portion (20) of the spar reinforcement which is flush with the outer surface of the door (17) when it is closed.
7. Longeron de bas de caisse, selon la revendication 6, caractérisé en ce que ladite partie latérale (20) du renfort de longeron (14) est reliée à une partie inférieure (21 ) dont une extrémité comporte la feuillure inférieure (14b) par une partie (22) présentant une courbure dont la convexité est dirigée vers le bas pour masquer ladite feuillure inférieure (14b).  Sill rail according to claim 6, characterized in that said lateral portion (20) of the spar reinforcement (14) is connected to a lower part (21), one end of which comprises the lower rebate (14b) by a portion (22) having a curvature the convexity of which is directed downwardly to obscure said lower rabbet (14b).
8. Véhicule automobile équipé de chaque côté d'un longeron de bas de caisse selon l'une des revendications 1 à 7.  8. Motor vehicle equipped on each side of a side sill according to one of claims 1 to 7.
PCT/FR2012/051100 2011-06-10 2012-05-15 Motor vehicle body shell lower side member and vehicle equipped with such side members WO2012168611A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1155125A FR2976250B1 (en) 2011-06-10 2011-06-10 BODY LONGERON FOR MOTOR VEHICLE AND VEHICLE EQUIPPED WITH SUCH LONGERONS.
FR1155125 2011-06-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103085883A (en) * 2013-01-14 2013-05-08 奇瑞汽车股份有限公司 Hidden type side outer plate
CN106741197A (en) * 2016-11-30 2017-05-31 广州汽车集团股份有限公司 Block threshold formula side-wall outer-plate
WO2018167418A1 (en) 2017-03-13 2018-09-20 Psa Automobiles Sa Motor vehicle structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102440609B1 (en) * 2017-12-27 2022-09-05 현대자동차 주식회사 Side vehicle body reinforcing structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1840003A2 (en) * 2006-03-31 2007-10-03 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Door sill reinforcing element for a car body
EP2014539A1 (en) * 2007-07-11 2009-01-14 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Motor vehicle body with side sills
FR2922509A1 (en) * 2007-10-19 2009-04-24 Peugeot Citroen Automobiles Sa Passenger compartment side for body of motor vehicle, has preformed skin whose lower fixation wing is assembled to reinforcement spar via auxiliary spar parallelly extending on predetermined transverse distance away from bottom edge of spar

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1840003A2 (en) * 2006-03-31 2007-10-03 Dr.Ing.h.c. F. Porsche Aktiengesellschaft Door sill reinforcing element for a car body
EP2014539A1 (en) * 2007-07-11 2009-01-14 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Motor vehicle body with side sills
FR2922509A1 (en) * 2007-10-19 2009-04-24 Peugeot Citroen Automobiles Sa Passenger compartment side for body of motor vehicle, has preformed skin whose lower fixation wing is assembled to reinforcement spar via auxiliary spar parallelly extending on predetermined transverse distance away from bottom edge of spar

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103085883A (en) * 2013-01-14 2013-05-08 奇瑞汽车股份有限公司 Hidden type side outer plate
CN106741197A (en) * 2016-11-30 2017-05-31 广州汽车集团股份有限公司 Block threshold formula side-wall outer-plate
WO2018099294A1 (en) * 2016-11-30 2018-06-07 广州汽车集团股份有限公司 Body-side outer panel with hidden sill
WO2018167418A1 (en) 2017-03-13 2018-09-20 Psa Automobiles Sa Motor vehicle structure

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FR2976250A1 (en) 2012-12-14
FR2976250B1 (en) 2013-06-28

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