WO2008049985A1 - Motor vehicle dashboard - Google Patents

Motor vehicle dashboard Download PDF

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Publication number
WO2008049985A1
WO2008049985A1 PCT/FR2007/001525 FR2007001525W WO2008049985A1 WO 2008049985 A1 WO2008049985 A1 WO 2008049985A1 FR 2007001525 W FR2007001525 W FR 2007001525W WO 2008049985 A1 WO2008049985 A1 WO 2008049985A1
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WO
WIPO (PCT)
Prior art keywords
vis
dashboard
sections
steering column
vehicle
Prior art date
Application number
PCT/FR2007/001525
Other languages
French (fr)
Inventor
Laurent Baudart
Original Assignee
Faurecia Interieur Industrie
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 Faurecia Interieur Industrie filed Critical Faurecia Interieur Industrie
Publication of WO2008049985A1 publication Critical patent/WO2008049985A1/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
    • B62D25/14—Dashboards as superstructure sub-units
    • B62D25/145—Dashboards as superstructure sub-units having a crossbeam incorporated therein

Definitions

  • the invention relates generally to the dashboards of a motor vehicle.
  • the invention relates to a dashboard of a motor vehicle, comprising at least one substantially transverse cross member and at least one instrumentation panel.
  • dashboards have two overlapping rails, parallel to each other. These sleepers are secured to one another by amounts, rigidly attached to both ends of each cross. The transverse forces are taken up by the lower rail, especially in case of side impact on the wing of the vehicle or on the door.
  • the invention aims to provide a dashboard whose architecture is such that it allows a reduction in the vertical dimensions of said dashboard.
  • the invention relates to a dashboard of the aforementioned type, characterized in that the crossmember comprises two transverse sections disposed substantially in the extension of one another, the two sections having respective inner ends in screws vis-à-vis defining between it a reception space in which is disposed the instrumentation panel.
  • the dashboard may also have one or more of the following features, considered individually or in any technically feasible combination: -
  • the dashboard comprises a transverse lower crossbar, and means for rigidly securing to each other the first cross and the lower cross;
  • the lower cross is continuous throughout its length;
  • the lower rail is placed under the first cross and defines therewith a plane substantially perpendicular to the running surface of the vehicle;
  • the dashboard comprises a support part of the steering column of the vehicle, rigidly fixed to the two inner ends vis-à-vis the cross sections, and at least partially defining the receiving space;
  • the support part is welded to the two inner ends vis-à-vis cross sections;
  • the dashboard comprises two support flanges of the vehicle steering column arranged vis-à-vis one of the other and defining between them a receiving volume of the steering column, each flange being rigidly fixed on the bottom rail and on the support piece;
  • the dashboard comprises two support flanges of the vehicle steering column arranged opposite one another and defining between them a receiving volume of the steering column, the two flanges being rigidly fixed to the lower cross member and to the respective inner ends of the two cross sections; and
  • the dashboard comprises a single crossmember and a vehicle steering column support part, said support part being rigidly fixed to the two inner ends facing the sections of the crossmember, the support part being at least partially delimiting the reception space.
  • FIG. 1 is a sectional view in a vertical longitudinal plane of a dashboard according to the invention
  • FIG. 2 is a perspective view of the sleepers and uprights of the dashboard of FIG. 1;
  • FIG. 3 is a perspective view similar to that of FIG. 2, on which the support flanges of the steering column of the vehicle have been represented, for a first embodiment of the invention.
  • Figure 4 is a view similar to that of Figure 3, for a second embodiment of the invention.
  • the dashboard 10 shown in Figure 1 is housed in the passenger compartment of the motor vehicle, under the windshield 12, immediately to the rear of the deck 14 which separates the engine compartment from the passenger compartment.
  • the dashboard 10 extends over substantially the entire transverse width of the passenger compartment.
  • the dashboard comprises a structure 16 (shown in FIGS. 2 and 3) conferring on said dashboard its mechanical strength, covering panels 18 carried by the structure 16, and at least one instrumentation panel 20 fixed on the structure 16 or on the panels 18.
  • the panels 18 are plastic panels, defining the external volume of the dashboard. They usually have a decorated face turned towards the cockpit and intended to be seen by the passengers.
  • the instrumentation panel 20 typically includes indicators such as the speedometer, the tachometer, the fuel gauge, etc.
  • the structure 16 comprises upper and lower crosspieces 26 arranged one above the other, and posts 28 solidarizing the upper and lower cross members one to the other. other.
  • the crosspieces 24 and 26 are transverse tubes parallel to one another, and together define a plane substantially perpendicular to the rolling plane of the vehicle.
  • the left and right transverse ends of each of the crosspieces 24 and 26 are rigidly fixed to the uprights 28.
  • the uprights 28 are rigidly fixed to structural parts of the vehicle, or are themselves parts of the vehicle structure.
  • the upper cross member 24 comprises left and right sections 30 and 32 transverse, disposed substantially in the extension of one another.
  • the left section 30 has an outer transverse end 34 rigidly fixed to the left upright and defining the left transverse end of the crossbar 24. It has an inner transverse end 36, opposite the end 34.
  • the straight section 32 has a external transverse end 38 fixed to the right upright 28 and defining the right transverse end of the crossbar 24. It also has an inner transverse end 40, disposed vis-à-vis the inner end 36 of the left section, and opposite to the outer transverse end 38.
  • the inner ends 36 and 40 of the two sections define between them a receiving space 42 in which the instrumentation panel 20 is arranged.
  • the bottom rail 26 is a tube which extends without interruption from the right upright to the left upright.
  • the dashboard comprises a support part 44 of the steering column 46 of the vehicle, rigidly attached to the two inner ends 36 and 40 vis-à-vis sections 30 and 32, and two flanges 48 for supporting the steering column arranged opposite one another and defining between them a receiving volume of the steering column 46.
  • the support piece 44 is a U-shaped box having a bottom 50 and opposite lateral wings 52 and 54.
  • the bottom 50 extends in a plane substantially parallel to the cross-members 24 and 26, and also substantially parallel to the axis 56 of the steering column or slightly inclined relative thereto.
  • the wings 52 and 54 rise from the bottom 50 and extend substantially perpendicularly to the cross member 24.
  • the inner ends 36 and 40 of the two sections are respectively welded to the wings 52 and 54.
  • the box 44 thus defines downwards, to the left and to the right the receiving space 42 in which the instrumentation panel is disposed.
  • the flanges 48 and 49 are also perpendicular to the crossbar 24, and are respectively substantially coplanar with the wings 52 and 54.
  • Each of the flanges 48 and 49 is rigidly fixed on the lower cross member 26 by a lower end 58. The lower ends are welded or screwed onto the cross member 26.
  • Each of the flanges 48 and 49 is delimited upwards by an edge 60 pressed under the bottom 50 and rigidly fixed to the bottom 50.
  • Each edge 60 is for example welded or screwed to the bottom 50.
  • Each of the flanges 48 and 49 is also rigidly fixed to the deck 14 by an upper end 62 ( Figure 1).
  • This upper end 62 is substantially at the same level vertically as the crossbar 24, and is shifted forward relative to the crossbar 24.
  • the ends 62 are each for example screwed or welded to the deck 14.
  • the ends 62 of the two Flanges 48 and 49 may for example be secured to one another by a rigid transverse plate 64 ( Figure 3). This plate is pressed against the deck 14.
  • the two flanges 48 and 49 are for example recessed in their center.
  • the spacing between the two flanges 48 and 49 in the transverse direction is substantially the same as the transverse spacing between the flanges 52 and 54 of the support piece 44.
  • the steering column 46 has a fixed portion 66 and a rotatable portion 68 rotatable about the axis 56 relative to the fixed portion 66.
  • the rotary portion 68 includes the flywheel 70 and a shaft steering 72 connected to the steering wheel and guided in rotation in the fixed part 66.
  • the shaft 72 extends along the axis 56. As shown in FIGS. 1 and 3, the shaft
  • the steering column 46 extends from the steering wheel down and towards the front of the vehicle.
  • the steering column 46 passes between the two flanges 48 and 49 and between the two crosspieces 24 and 26.
  • the fixed part 66 of the steering column is rigidly fixed on the support 44, in particular on the bottom 50, and on the flanges 48. and 49.
  • the instrument panel 20 extends substantially perpendicular to the axis of the steering column 56 or is slightly inclined with respect to the plane perpendicular to the column 56. It has a small thickness along the axis 56. It is arranged above the bottom 50, between the wings 52 and 54 of the For example, it is arranged between the inner ends 36 and 40 of the two sections of the crosspiece 24.
  • the flanges 48 and 49 may be made of steel. They are in this case either screwed on the bottom rail 26 or welded by a MAG process (Metal Active Gas).
  • the flanges 48 and 49 can also be made of aluminum or magnesium. In this case, they are either screwed or welded to the bottom rail 26 by a welding process known as CMT (CoId Metal Transfer).
  • the flanges 48 and 49 are screwed or welded to the upper cross member 24 or to the piece 44 using the same techniques.
  • the dashboard 10 in the second embodiment does not include a support piece 44 of the steering column separate from the flanges 48 and 49.
  • the wings 52 and 54 on which are rigidly fixed the inner ends 36 and 40 of the two sections of the crosspiece 24 are constituted by areas respectively flanges 48 and 49.
  • the wings 52 and 54 are not connected by a bottom 50.
  • the inner ends 36 and 40 are screwed or welded on the wings 52 and 54.
  • the dashboard described above has multiple advantages. Because the crossmember comprises two transverse sections having inner ends facing each other defining a receiving space for the instrument panel, it is possible to house this instrument panel further forward. and more downward if the transom consisted of a single section. This result is highlighted in FIG. 1, in which the position of the instrument panel for a dashboard with a monobloc cross member has been shown in broken lines, and the position of the instrument panel for a crossbar in two. sections according to the invention has been shown in solid lines. The offset of the instrumentation panel 20 forwards and downwards makes it possible to lower About 50 mm the trim panel 18 delimiting the dashboard upwards.
  • the size of the dashboard in the transverse and longitudinal directions is not changed.
  • the performance of the dashboard is not changed either.
  • the transverse forces, especially in case of impact on the wings or on the opening, are taken up by the lower rail.
  • the division of the upper rail in two sections does not affect the performance of the dashboard in the event of a side impact.
  • the deflection of the steering column in the event of a longitudinal or lateral impact is not modified.
  • dashboard interfaces with other vehicle subassemblies are not changed.
  • the dashboard of the invention easily adapts to existing vehicle assembly lines.
  • the dashboard is made using existing technologies, particularly for welding flanges.
  • the dashboard can have multiple variants. It may have only one cross. In this case, the forces in the event of lateral shocks pass through said single crossmember, and the connecting piece between the two sections of the single crossmember must be sized to pass the maximum dimensioning forces in the event of a side impact.
  • the sleepers may be rectilinear or non-rectilinear, each of the sleepers may have bends and / or baffles.
  • the support piece 44 can have all kinds of shapes. It may not be U-shaped but have a square, oval section, or any other section, provided that it is possible to house the instrumentation panel 20 in the space defined by the part 44.
  • flanges 48 and 49 can have all kinds of shapes.
  • the support piece 44 and the flanges 48 and 49 may be integral. Also in the first embodiment of the invention, the flanges 48 and 49 can be respectively fixed directly on the left and right sections 32 of the crossmember 24, and not on the support part 44.

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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

The motor vehicle dashboard comprises at least one first substantially transverse crossmember (24) and at least one instrument panel (20). The first crossmember (24) comprises two transverse sections (30, 32) arranged substantially in the continuation of one another, the two sections (30, 32) having respective inner ends (36, 40) facing one another and together defining a reception space (42) in which the instrument panel (20) is arranged.

Description

Planche de bord de véhicule automobile Dashboard of a motor vehicle
L'invention concerne en général les planches de bord de véhicule automobile.The invention relates generally to the dashboards of a motor vehicle.
Plus précisément, l'invention concerne une planche de bord de véhicule automobile, comprenant au moins une traverse sensiblement transversale et au moins un panneau d'instrumentation.More specifically, the invention relates to a dashboard of a motor vehicle, comprising at least one substantially transverse cross member and at least one instrumentation panel.
Certaines planches de bord comportent deux traverses superposées, parallèles l'une à l'autre. Ces traverses sont solidarisées l'une à l'autre par des montants, rigidement fixés aux deux extrémités de chaque traverse. Les efforts transversaux sont repris par la traverse inférieure, notamment en cas de choc latéral sur l'aile du véhicule ou sur la portière.Some dashboards have two overlapping rails, parallel to each other. These sleepers are secured to one another by amounts, rigidly attached to both ends of each cross. The transverse forces are taken up by the lower rail, especially in case of side impact on the wing of the vehicle or on the door.
Pour des raisons d'ergonomie, les constructeurs automobiles cherchent à réduire l'encombrement vertical des planches de bord. Cette réduction permet d'abaisser le niveau de la planche de bord, et d'améliorer la visibilité pour le conducteur. A cette fin, il est nécessaire de repousser le panneau d'instru- mentation vers l'arrière et vers le bas, parallèlement à la colonne de direction. Le déplacement du panneau d'instrumentation est très difficile dans les planches de bord à deux traverses superposées, car le panneau interfère alors avec la traverse supérieure.For reasons of ergonomics, car manufacturers seek to reduce the vertical dimensions of the dashboards. This reduction allows lowering the level of the dashboard, and improve visibility for the driver. To this end, it is necessary to push the instrument panel backwards and downwards parallel to the steering column. The displacement of the instrumentation panel is very difficult in the dashboards with two overlapping crosspieces, because the panel then interferes with the top rail.
Dans ce contexte, l'invention vise à proposer une planche de bord dont l'architecture est telle qu'elle permet une réduction de l'encombrement vertical de ladite planche de bord.In this context, the invention aims to provide a dashboard whose architecture is such that it allows a reduction in the vertical dimensions of said dashboard.
A cette fin, l'invention porte sur une planche de bord du type précité, caractérisée en ce que la traverse comprend deux tronçons transversaux disposés sensiblement dans le prolongement l'un de l'autre, les deux tronçons présentant des extrémités intérieures respectives en vis-à-vis définissant entre elle un espace de réception dans lequel est disposé le panneau d'instrumentation.To this end, the invention relates to a dashboard of the aforementioned type, characterized in that the crossmember comprises two transverse sections disposed substantially in the extension of one another, the two sections having respective inner ends in screws vis-à-vis defining between it a reception space in which is disposed the instrumentation panel.
La planche de bord peut également présenter une ou plusieurs des caractéristiques ci-dessous, considérées individuellement ou selon toutes les combinaisons techniquement possibles : - la planche de bord comprend une traverse inférieure transversale, et des moyens pour fixer rigidement l'une à l'autre la première traverse et la traverse inférieure ;The dashboard may also have one or more of the following features, considered individually or in any technically feasible combination: - The dashboard comprises a transverse lower crossbar, and means for rigidly securing to each other the first cross and the lower cross;
- la traverse inférieure est continue sur toute sa longueur ; - la traverse inférieure est placée sous la première traverse et définit avec celle-ci un plan sensiblement perpendiculaire au plan de roulement du véhicule ;- the lower cross is continuous throughout its length; - The lower rail is placed under the first cross and defines therewith a plane substantially perpendicular to the running surface of the vehicle;
- la planche de bord comprend une pièce de support de la colonne de direction du véhicule, rigidement fixée aux deux extrémités intérieures en vis- à-vis des tronçons de traverse, et délimitant au moins partiellement l'espace de réception ;- The dashboard comprises a support part of the steering column of the vehicle, rigidly fixed to the two inner ends vis-à-vis the cross sections, and at least partially defining the receiving space;
- la pièce de support est soudée sur les deux extrémités intérieures en vis-à-vis des tronçons de traverse ;- The support part is welded to the two inner ends vis-à-vis cross sections;
- la planche de bord comprend deux flasques de support de la colonne de direction du véhicule disposés en vis-à-vis l'un de l'autre et définissant entre eux un volume de réception de la colonne de direction, chaque flasque étant rigidement fixé sur la traverse inférieure et sur la pièce de support ;- The dashboard comprises two support flanges of the vehicle steering column arranged vis-à-vis one of the other and defining between them a receiving volume of the steering column, each flange being rigidly fixed on the bottom rail and on the support piece;
- la planche de bord comprend deux flasques de support de la colonne de direction du véhicule disposés en vis-à-vis l'un de l'autre et définissant en- tre eux un volume de réception de la colonne de direction, les deux flasques étant rigidement fixés sur la traverse inférieure et sur les extrémités intérieures respectives des deux tronçons de traverse ; etthe dashboard comprises two support flanges of the vehicle steering column arranged opposite one another and defining between them a receiving volume of the steering column, the two flanges being rigidly fixed to the lower cross member and to the respective inner ends of the two cross sections; and
- la planche de bord comprend une seule traverse et une pièce de support de colonne de direction du véhicule, ladite pièce de support étant rigide- ment fixée aux deux extrémités intérieures en vis-à-vis des tronçons de la traverse, la pièce de support délimitant au moins partiellement l'espace de réception.the dashboard comprises a single crossmember and a vehicle steering column support part, said support part being rigidly fixed to the two inner ends facing the sections of the crossmember, the support part being at least partially delimiting the reception space.
D'autres caractéristiques et avantages de l'invention ressortiront de la description qui en est donnée ci-dessous, à titre indicatif et nullement limitatif, en référence aux figures annexées, parmi lesquelles :Other features and advantages of the invention will emerge from the description given below, by way of indication and in no way limiting, with reference to the appended figures, among which:
- la figure 1 est une vue en coupe dans un plan longitudinal vertical d'une planche de bord selon l'invention ; - la figure 2 est une vue en perspective des traverses et des montants de la planche de bord de la figure 1 ;- Figure 1 is a sectional view in a vertical longitudinal plane of a dashboard according to the invention; FIG. 2 is a perspective view of the sleepers and uprights of the dashboard of FIG. 1;
- la figure 3 est une vue en perspective similaire à celle de la figure 2, sur laquelle ont été représentés en outre les flasques de support de la colonne de direction du véhicule, pour un premier mode de réalisation de l'invention ; etFIG. 3 is a perspective view similar to that of FIG. 2, on which the support flanges of the steering column of the vehicle have been represented, for a first embodiment of the invention; and
- la figure 4 est une vue similaire à celle de la figure 3, pour un second mode de réalisation de l'invention.- Figure 4 is a view similar to that of Figure 3, for a second embodiment of the invention.
La planche de bord 10 représentée sur la figure 1 est logée dans l'habitacle du véhicule automobile, sous le pare-brise 12, immédiatement à l'arrière du tablier 14 qui sépare le compartiment moteur de l'habitacle. La planche de bord 10 s'étend sur sensiblement toute la largeur transversale de l'habitacle.The dashboard 10 shown in Figure 1 is housed in the passenger compartment of the motor vehicle, under the windshield 12, immediately to the rear of the deck 14 which separates the engine compartment from the passenger compartment. The dashboard 10 extends over substantially the entire transverse width of the passenger compartment.
Dans la description qui va suivre, l'avant, l'arrière, la droite, la gauche, les directions longitudinale et transversale seront entendus en référence au sens de déplacement normal du véhicule. La planche de bord comprend une structure 16 (représentée sur les figures 2 et 3) conférant à ladite planche de bord sa résistance mécanique, des panneaux d'habillage 18 portés par la structure 16, et au moins un panneau d'instrumentation 20 fixé sur la structure 16 ou sur les panneaux 18.In the following description, the front, the rear, the right, the left, the longitudinal and transverse directions will be heard with reference to the normal direction of movement of the vehicle. The dashboard comprises a structure 16 (shown in FIGS. 2 and 3) conferring on said dashboard its mechanical strength, covering panels 18 carried by the structure 16, and at least one instrumentation panel 20 fixed on the structure 16 or on the panels 18.
Les panneaux 18 sont des panneaux en matière plastique, définissant le volume extérieur de la planche de bord. Ils présentent généralement une face décorée tournée vers l'habitacle et destinée à être vue par les passagers.The panels 18 are plastic panels, defining the external volume of the dashboard. They usually have a decorated face turned towards the cockpit and intended to be seen by the passengers.
Le panneau d'instrumentation 20 comporte typiquement des indicateurs tels que le compteur de vitesse, le compte-tours, la jauge à essence, etc ...The instrumentation panel 20 typically includes indicators such as the speedometer, the tachometer, the fuel gauge, etc.
Comme le montrent les figures 2 et 3, Ia structure 16 comprend des tra- verses supérieure 24 et inférieure 26 disposées l'une au-dessus de l'autre, et des montants 28 solidarisant les traverses supérieure et inférieure l'une à l'autre. Les traverses 24 et 26 sont des tubes transversaux parallèles l'un à l'autre, et définissent ensemble un plan sensiblement perpendiculaire au plan de roulement du véhicule. Les extrémités transversales gauche et droite de chacune des traverses 24 et 26 sont rigidement fixées sur les montants 28.As shown in FIGS. 2 and 3, the structure 16 comprises upper and lower crosspieces 26 arranged one above the other, and posts 28 solidarizing the upper and lower cross members one to the other. other. The crosspieces 24 and 26 are transverse tubes parallel to one another, and together define a plane substantially perpendicular to the rolling plane of the vehicle. The left and right transverse ends of each of the crosspieces 24 and 26 are rigidly fixed to the uprights 28.
Les montants 28 sont rigidement fixés sur des pièces de structure du véhicule, ou constituent eux-mêmes des pièces de structure du véhicule. Comme le montre la figure 2, la traverse supérieure 24 comprend des tronçons gauche et droite 30 et 32 transversaux, disposés sensiblement dans le prolongement l'une de l'autre. Le tronçon gauche 30 présente une extrémité transversale externe 34 rigidement fixée au montant gauche et définissant l'ex- trémité transversale gauche de la traverse 24. Il présente une extrémité transversale interne 36, opposée à l'extrémité 34. Le tronçon droit 32 présente une extrémité transversale externe 38 fixée au montant droit 28 et définissant l'extrémité transversale droite de la traverse 24. Il présente également une extrémité transversale interne 40, disposée en vis-à-vis de l'extrémité interne 36 du tronçon gauche, et opposée à l'extrémité transversale externe 38.The uprights 28 are rigidly fixed to structural parts of the vehicle, or are themselves parts of the vehicle structure. As shown in Figure 2, the upper cross member 24 comprises left and right sections 30 and 32 transverse, disposed substantially in the extension of one another. The left section 30 has an outer transverse end 34 rigidly fixed to the left upright and defining the left transverse end of the crossbar 24. It has an inner transverse end 36, opposite the end 34. The straight section 32 has a external transverse end 38 fixed to the right upright 28 and defining the right transverse end of the crossbar 24. It also has an inner transverse end 40, disposed vis-à-vis the inner end 36 of the left section, and opposite to the outer transverse end 38.
Comme visible sur la figure 3, les extrémités intérieures 36 et 40 des deux tronçons définissent entre elles un espace de réception 42 dans lequel est disposé le panneau d'instrumentation 20.As can be seen in FIG. 3, the inner ends 36 and 40 of the two sections define between them a receiving space 42 in which the instrumentation panel 20 is arranged.
Au contraire, la traverse inférieure 26 est un tube qui s'étend sans inter- ruption depuis le montant droit jusqu'au montant gauche.On the contrary, the bottom rail 26 is a tube which extends without interruption from the right upright to the left upright.
Dans un premier mode de réalisation de l'invention représenté sur les figures 2 et 3, la planche de bord comprend une pièce 44 de support de la colonne de direction 46 du véhicule, rigidement fixée aux deux extrémités intérieures 36 et 40 en vis-à-vis des tronçons 30 et 32, et deux flasques 48 de support de la colonne de direction disposés en vis-à-vis l'un de l'autre et définissant entre eux un volume de réception de la colonne de direction 46.In a first embodiment of the invention shown in Figures 2 and 3, the dashboard comprises a support part 44 of the steering column 46 of the vehicle, rigidly attached to the two inner ends 36 and 40 vis-à-vis sections 30 and 32, and two flanges 48 for supporting the steering column arranged opposite one another and defining between them a receiving volume of the steering column 46.
La pièce de support 44 est un caisson en U présentant un fond 50 et des ailes latérales opposées 52 et 54. Le fond 50 s'étend dans un plan sensiblement parallèle aux traverses 24 et 26, et également sensiblement parallèle à l'axe 56 de la colonne de direction ou légèrement incliné par rapport à celle- ci. Les ailes 52 et 54 se dressent à partir du fond 50 et s'étendent sensiblement perpendiculairement à la traverse 24. Les extrémités intérieures 36 et 40 des deux tronçons sont respectivement soudées sur les ailes 52 et 54.The support piece 44 is a U-shaped box having a bottom 50 and opposite lateral wings 52 and 54. The bottom 50 extends in a plane substantially parallel to the cross-members 24 and 26, and also substantially parallel to the axis 56 of the steering column or slightly inclined relative thereto. The wings 52 and 54 rise from the bottom 50 and extend substantially perpendicularly to the cross member 24. The inner ends 36 and 40 of the two sections are respectively welded to the wings 52 and 54.
Le caisson 44 définit ainsi vers le bas, vers la gauche et vers la droite l'espace de réception 42 dans lequel est disposé le panneau d'instrumentation. Les flasques 48 et 49 sont eux aussi perpendiculaires à la traverse 24, et sont respectivement sensiblement coplanaires aux ailes 52 et 54. Chacun des flasques 48 et 49 est rigidement fixé sur la traverse inférieure 26 par une extrémité inférieure 58. Les extrémités inférieures sont soudées ou vissées sur la traverse 26.The box 44 thus defines downwards, to the left and to the right the receiving space 42 in which the instrumentation panel is disposed. The flanges 48 and 49 are also perpendicular to the crossbar 24, and are respectively substantially coplanar with the wings 52 and 54. Each of the flanges 48 and 49 is rigidly fixed on the lower cross member 26 by a lower end 58. The lower ends are welded or screwed onto the cross member 26.
Chacun des flasques 48 et 49 est délimité vers le haut par un bord 60 plaqué sous le fond 50 et rigidement fixé au fond 50. Chaque bord 60 est par exemple soudé ou vissé au fond 50.Each of the flanges 48 and 49 is delimited upwards by an edge 60 pressed under the bottom 50 and rigidly fixed to the bottom 50. Each edge 60 is for example welded or screwed to the bottom 50.
Chacun des flasques 48 et 49 est également rigidement fixé au tablier 14 par une extrémité supérieure 62 (figure 1 ). Cette extrémité supérieure 62 se trouve sensiblement au même niveau verticalement que la traverse 24, et est décalée vers l'avant par rapport à la traverse 24. Les extrémités 62 sont chacune par exemple vissées ou soudées sur le tablier 14. Les extrémités 62 des deux flasques 48 et 49 peuvent être par exemple solidarisées l'une à l'autre par une plaque rigide transversale 64 (figure 3). Cette plaque est plaquée contre le tablier 14. Les deux flasques 48 et 49 sont par exemple évidés en leur centre.Each of the flanges 48 and 49 is also rigidly fixed to the deck 14 by an upper end 62 (Figure 1). This upper end 62 is substantially at the same level vertically as the crossbar 24, and is shifted forward relative to the crossbar 24. The ends 62 are each for example screwed or welded to the deck 14. The ends 62 of the two Flanges 48 and 49 may for example be secured to one another by a rigid transverse plate 64 (Figure 3). This plate is pressed against the deck 14. The two flanges 48 and 49 are for example recessed in their center.
L'écartement entre les deux flasques 48 et 49 suivant la direction transversale est sensiblement le même que l'écartement transversal entre les ailes 52 et 54 de la pièce de support 44.The spacing between the two flanges 48 and 49 in the transverse direction is substantially the same as the transverse spacing between the flanges 52 and 54 of the support piece 44.
Comme le montre la figure 1 , la colonne de direction 46 comporte une partie fixe 66 et une partie rotative 68 mobile en rotation autour de l'axe 56 par rapport à la partie fixe 66. La partie rotative 68 comprend le volant 70 et un arbre de direction 72 lié au volant et guidé en rotation dans la partie fixe 66.As shown in Figure 1, the steering column 46 has a fixed portion 66 and a rotatable portion 68 rotatable about the axis 56 relative to the fixed portion 66. The rotary portion 68 includes the flywheel 70 and a shaft steering 72 connected to the steering wheel and guided in rotation in the fixed part 66.
L'arbre 72 s'étend selon l'axe 56. Comme le montrent les figures 1 et 3, l'arbreThe shaft 72 extends along the axis 56. As shown in FIGS. 1 and 3, the shaft
72 s'étend à partir du volant vers le bas et vers l'avant du véhicule. La colonne de direction 46 passe entre les deux flasques 48 et 49 et entre les deux traverses 24 et 26. La partie fixe 66 de la colonne de direction est rigidement fixée sur le support 44, notamment sur le fond 50, et sur les flasques 48 et 49.72 extends from the steering wheel down and towards the front of the vehicle. The steering column 46 passes between the two flanges 48 and 49 and between the two crosspieces 24 and 26. The fixed part 66 of the steering column is rigidly fixed on the support 44, in particular on the bottom 50, and on the flanges 48. and 49.
Le panneau d'instrumentation 20 s'étend sensiblement perpendiculai- rement à l'axe de la colonne de direction 56 ou légèrement incliné par rapport au plan perpendiculaire à la colonne 56. Il présente une faible épaisseur suivant l'axe 56. Il est disposé au-dessus du fond 50, entre les ailes 52 et 54 de la pièce de support 44. Par exemple, il est disposé entre les extrémités intérieures 36 et 40 des deux tronçons de la traverse 24.The instrument panel 20 extends substantially perpendicular to the axis of the steering column 56 or is slightly inclined with respect to the plane perpendicular to the column 56. It has a small thickness along the axis 56. It is arranged above the bottom 50, between the wings 52 and 54 of the For example, it is arranged between the inner ends 36 and 40 of the two sections of the crosspiece 24.
Les flasques 48 et 49 peuvent être réalisées en acier. Ils sont dans ce cas soit vissés sur la traverse inférieure 26, soit soudés par un procédé MAG (Métal Active Gas). Les flasques 48 et 49 peuvent également être réalisés en aluminium ou en magnésium. Dans ce cas, ils sont soit vissés, soit soudés sur la traverse inférieure 26 par un procédé de soudage connu sous le sigle CMT (CoId Métal Transfert).The flanges 48 and 49 may be made of steel. They are in this case either screwed on the bottom rail 26 or welded by a MAG process (Metal Active Gas). The flanges 48 and 49 can also be made of aluminum or magnesium. In this case, they are either screwed or welded to the bottom rail 26 by a welding process known as CMT (CoId Metal Transfer).
Les flasques 48 et 49 sont vissés ou soudés sur la traverse supérieure 24 ou sur la pièce 44 en utilisant les mêmes techniques.The flanges 48 and 49 are screwed or welded to the upper cross member 24 or to the piece 44 using the same techniques.
Un second mode de réalisation de l'invention va maintenant être décrit en référence à la figure 4.A second embodiment of the invention will now be described with reference to FIG. 4.
Seules les différences par rapport au premier mode de réalisation de l'invention seront précisées, les éléments identiques ou de même fonction dans les deux modes de réalisation étant désignés par les mêmes références. La planche de bord 10, dans le second mode de réalisation, ne comprend pas de pièce 44 de support de la colonne de direction distincte des flasques 48 et 49. Les ailes 52 et 54 sur lesquelles sont rigidement fixées les extrémités intérieures 36 et 40 des deux tronçons de la traverse 24 sont consti- tuées par des zones respectivement des flasques 48 et 49. Les ailes 52 et 54 ne sont pas reliées par un fond 50. Comme précédemment, les extrémités intérieures 36 et 40 sont vissées ou soudées sur les ailes 52 et 54.Only the differences with respect to the first embodiment of the invention will be specified, the identical elements or the same function in the two embodiments being designated by the same references. The dashboard 10, in the second embodiment, does not include a support piece 44 of the steering column separate from the flanges 48 and 49. The wings 52 and 54 on which are rigidly fixed the inner ends 36 and 40 of the two sections of the crosspiece 24 are constituted by areas respectively flanges 48 and 49. The wings 52 and 54 are not connected by a bottom 50. As before, the inner ends 36 and 40 are screwed or welded on the wings 52 and 54.
La planche de bord décrite ci-dessus présente de multiples avantages. Du fait que la traverse comprend deux tronçons transversaux présen- tant des extrémités intérieures en vis-à-vis définissant entre elles un espace de réception pour le panneau d'instrumentation, il est possible de loger ce panneau d'instrumentation plus vers l'avant et plus vers le bas que si la traverse était constituée d'un seul tronçon. Ce résultat est mis en évidence sur la figure 1 , sur laquelle la position du panneau d'instrumentation pour une plan- che de bord avec traverse monobloc a été représentée en traits interrompus, et la position du panneau d'instrumentation pour une traverse en deux tronçons conforme à l'invention a été représentée en traits pleins. Le décalage du panneau d'instrumentation 20 vers l'avant et vers le bas permet de baisser de 50 mm environ le panneau d'habillage 18 délimitant la planche de bord vers le haut.The dashboard described above has multiple advantages. Because the crossmember comprises two transverse sections having inner ends facing each other defining a receiving space for the instrument panel, it is possible to house this instrument panel further forward. and more downward if the transom consisted of a single section. This result is highlighted in FIG. 1, in which the position of the instrument panel for a dashboard with a monobloc cross member has been shown in broken lines, and the position of the instrument panel for a crossbar in two. sections according to the invention has been shown in solid lines. The offset of the instrumentation panel 20 forwards and downwards makes it possible to lower About 50 mm the trim panel 18 delimiting the dashboard upwards.
L'encombrement de la planche de bord suivant les directions transversale et longitudinale n'est en revanche pas modifié. Les performances de la planche de bord ne sont pas modifiées non plus. Les efforts transversaux, notamment en cas de choc sur les ailes ou sur les ouvrants, sont repris par la traverse inférieure. La division de la traverse supérieure en deux tronçons n'altère pas en conséquence les performances de la planche de bord en cas de choc latéral. Par ailleurs, le débattement de la colonne de direction en cas de choc longitudinal ou latéral n'est pas modifié.The size of the dashboard in the transverse and longitudinal directions, however, is not changed. The performance of the dashboard is not changed either. The transverse forces, especially in case of impact on the wings or on the opening, are taken up by the lower rail. The division of the upper rail in two sections does not affect the performance of the dashboard in the event of a side impact. Moreover, the deflection of the steering column in the event of a longitudinal or lateral impact is not modified.
Ces résultats sont obtenus sans augmentation significative du poids ou du coût de la planche de bord.These results are achieved without a significant increase in the weight or cost of the dashboard.
Les interfaces de la planche de bord avec les autres sous-ensembles du véhicule ne sont pas modifiées. En conséquence, la planche de bord de l'invention s'adapte facilement aux chaînes d'assemblages de véhicules existantes.Dashboard interfaces with other vehicle subassemblies are not changed. As a result, the dashboard of the invention easily adapts to existing vehicle assembly lines.
La planche de bord est réalisée à l'aide de technologies existantes, en particulier pour le soudage des flasques.The dashboard is made using existing technologies, particularly for welding flanges.
La planche de bord peut présenter de multiples variantes. Elle peut ne comporter qu'une seule traverse. Dans ce cas, les efforts en cas de chocs latéraux passent par ladite unique traverse, et la pièce de liaison entre les deux tronçons de la traverse unique doivent être dimensionnée pour passer les efforts maximaux de dimensionnement en cas de choc latéral. Les traverses peuvent être rectilignes ou non rectilignes, chacune des traverses pouvant présenter des coudes et/ou des chicanes.The dashboard can have multiple variants. It may have only one cross. In this case, the forces in the event of lateral shocks pass through said single crossmember, and the connecting piece between the two sections of the single crossmember must be sized to pass the maximum dimensioning forces in the event of a side impact. The sleepers may be rectilinear or non-rectilinear, each of the sleepers may have bends and / or baffles.
La pièce de support 44 peut présenter toutes sortes de formes. Elle peut ne pas être en U mais présenter une section carrée, ovale, ou n'importe quelle autre section, sous réserve qu'il soit possible de loger le panneau d'instrumentation 20 dans l'espace délimité par la pièce 44. De même, les flasques 48 et 49 peuvent présenter toutes sortes de formes.The support piece 44 can have all kinds of shapes. It may not be U-shaped but have a square, oval section, or any other section, provided that it is possible to house the instrumentation panel 20 in the space defined by the part 44. flanges 48 and 49 can have all kinds of shapes.
Dans le premier mode de réalisation de l'invention, la pièce de support 44 et les flasques 48 et 49 peuvent être venus de matière. Egalement dans le premier mode de réalisation de l'invention, les flasques 48 et 49 peuvent être fixés respectivement directement sur les tronçons gauche 30 et droite 32 de la traverse 24, et non sur la pièce de support 44. In the first embodiment of the invention, the support piece 44 and the flanges 48 and 49 may be integral. Also in the first embodiment of the invention, the flanges 48 and 49 can be respectively fixed directly on the left and right sections 32 of the crossmember 24, and not on the support part 44.

Claims

REVENDICATIONS
1. Planche de bord de véhicule automobile, comprenant au moins une première traverse (24) sensiblement transversale et au moins un panneau d'instrumentation (20), caractérisée en ce que la première traverse (24) com- prend deux tronçons transversaux (30, 32) disposés sensiblement dans le prolongement l'un de l'autre, les deux tronçons (30, 32) présentant des extrémités intérieures (36, 40) respectives en vis-à-vis définissant entre elles un espace de réception (42) dans lequel est disposé le panneau d'instrumentation (20).Motor vehicle dashboard, comprising at least a first substantially transverse cross-member (24) and at least one instrumentation panel (20), characterized in that the first cross-member (24) comprises two transverse sections (30). , 32) arranged substantially in the extension of one another, the two sections (30, 32) having respective inner ends (36, 40) vis-à-vis defining between them a receiving space (42) in which the instrumentation panel (20) is disposed.
2. Planche de bord selon la revendication 1 , caractérisée en ce qu'elle comprend une traverse inférieure (26) transversale, et des moyens (28, 48,2. Dashboard according to claim 1, characterized in that it comprises a transverse lower crossbar (26), and means (28, 48,
49) pour fixer rigidement l'une à l'autre la première traverse (24) et la traverse inférieure (26).49) for rigidly securing to each other the first cross member (24) and the lower cross member (26).
3. Planche de bord selon la revendication 2, caractérisée en ce que la traverse inférieure (26) est continue sur toute sa longueur. 3. Dashboard according to claim 2, characterized in that the bottom rail (26) is continuous along its entire length.
4. Planche de bord selon la revendication 2 ou 3, caractérisée en ce que la traverse inférieure (26) est placée sous la première traverse (24) et définit avec celle-ci un plan sensiblement perpendiculaire au plan de roulement du véhicule.4. Dashboard according to claim 2 or 3, characterized in that the bottom rail (26) is placed under the first crossbar (24) and defines therewith a plane substantially perpendicular to the running surface of the vehicle.
5. Planche de bord selon l'une quelconque des revendications 2 à 4, ca- ractérisée en ce qu'elle comprend une pièce (44) de support de la colonne de direction du véhicule (46), rigidement fixée aux deux extrémités intérieures (36, 40) en vis-à-vis des tronçons (30, 32) de traverse, et délimitant au moins partiellement l'espace de réception (42).5. Dashboard according to any one of claims 2 to 4, characterized in that it comprises a support part (44) of the steering column of the vehicle (46), rigidly fixed to the two inner ends ( 36, 40) opposite cross-section sections (30, 32) and at least partially delimiting the receiving space (42).
6. Planche de bord selon la revendication 5, caractérisée en ce que la pièce de support (44) est soudée sur les deux extrémités intérieures (36, 40) en vis-à-vis des tronçons de traverse (30, 32).6. Dashboard according to claim 5, characterized in that the support member (44) is welded to the two inner ends (36, 40) vis-à-vis cross sections (30, 32).
7. Planche de bord selon la revendication 5 ou 6, caractérisée en ce qu'elle comprend deux flasques (48, 49) de support de la colonne de direction (46) du véhicule disposés en vis-à-vis l'un de l'autre et définissant entre eux un volume de réception de la colonne de direction (46), chaque flasque (48 49) étant rigidement fixé sur la traverse inférieure (26) et sur la pièce de support (44). 7. Dashboard according to claim 5 or 6, characterized in that it comprises two flanges (48, 49) for supporting the steering column (46) of the vehicle arranged vis-à-vis one of the and defining between them a receiving volume of the steering column (46), each flange (48 49) being rigidly fixed to the lower rail (26) and the support member (44).
8. Planche de bord selon l'une quelconque des revendications 2 à 6, caractérisée en ce qu'elle comprend deux flasques (48, 49) de support de la colonne de direction (46) du véhicule disposés en vis-à-vis l'un de l'autre et définissant entre eux un volume de réception de la colonne de direction (46), les deux flasques (48, 49) étant rigidement fixés sur la traverse inférieure (26) et sur les extrémités intérieures (36, 40) respectives des deux tronçons (30, 32) de traverse.8. Dashboard according to any one of claims 2 to 6, characterized in that it comprises two flanges (48, 49) for supporting the steering column (46) of the vehicle arranged vis-à-vis the one another and defining between them a receiving volume of the steering column (46), the two flanges (48, 49) being rigidly fixed on the lower crossbar (26) and on the inner ends (36, 40). ) respectively of the two cross sections (30, 32).
9. Planche de bord selon la revendication 1, caractérisée en ce qu'elle comprend une seule traverse (24) et une pièce (44) de support de colonne de direction (46) du véhicule, ladite pièce de support (44) étant rigidement fixée aux deux extrémités intérieures (36, 40) en vis-à-vis des tronçons (30, 32) de la traverse (24), Ia pièce de support (44) délimitant au moins partiellement l'espace de réception (42).9. Dashboard according to claim 1, characterized in that it comprises a single cross member (24) and a part (44) for supporting the steering column (46) of the vehicle, said support member (44) being rigidly attached to the two inner ends (36, 40) facing the sections (30, 32) of the cross member (24), the support piece (44) defining at least partially the receiving space (42).
10. Véhicule automobile comprenant une planche de bord selon l'une quelconque des revendications 1 à 9. 10. Motor vehicle comprising a dashboard according to any one of claims 1 to 9.
PCT/FR2007/001525 2006-10-20 2007-09-19 Motor vehicle dashboard WO2008049985A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0609243 2006-10-20
FR0609243A FR2907412B1 (en) 2006-10-20 2006-10-20 DASHBOARD OF MOTOR VEHICLE.

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WO2008049985A1 true WO2008049985A1 (en) 2008-05-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2937610A1 (en) * 2008-10-28 2010-04-30 Faurecia Interieur Ind DASHBOARD TRAILER ASSEMBLY FOR A MOTOR VEHICLE, DASHBOARD DEVICE, VEHICLE, AND MANUFACTURING METHOD THEREOF
FR2972993A1 (en) * 2011-03-21 2012-09-28 Faurecia Interieur Ind Assembly for assembling hollow tubes of fascia on structure of motor vehicle, has fastener including leg fixed at elongate part, where end part of cross-piece is fixed to one of posts such that leg is prestressed in contact with panel
DE102018116025A1 (en) * 2018-07-03 2020-01-09 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Vehicle part structure with at least one cockpit mounting bracket

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Publication number Priority date Publication date Assignee Title
DE19601800A1 (en) * 1995-01-26 1996-08-01 Volkswagen Ag Safety device for vehicle
US20040178652A1 (en) * 2003-03-10 2004-09-16 Takahiro Yoshida Reinforcing structure for automotive vehicles
US7048325B1 (en) * 2004-10-21 2006-05-23 Chain Singh Sandhu Adjustable vehicle cross beam

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Publication number Priority date Publication date Assignee Title
DE19601800A1 (en) * 1995-01-26 1996-08-01 Volkswagen Ag Safety device for vehicle
US20040178652A1 (en) * 2003-03-10 2004-09-16 Takahiro Yoshida Reinforcing structure for automotive vehicles
US7048325B1 (en) * 2004-10-21 2006-05-23 Chain Singh Sandhu Adjustable vehicle cross beam

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2937610A1 (en) * 2008-10-28 2010-04-30 Faurecia Interieur Ind DASHBOARD TRAILER ASSEMBLY FOR A MOTOR VEHICLE, DASHBOARD DEVICE, VEHICLE, AND MANUFACTURING METHOD THEREOF
WO2010049626A1 (en) * 2008-10-28 2010-05-06 Faurecia Interieur Industrie Dashboard crossbar assembly for an automobile, and corresponding dashboard device, vehicle, and manufacturing method
US8317256B2 (en) 2008-10-28 2012-11-27 Faurecia Interieur Industrie Dashboard crossbar assembly for a motor vehicle, and corresponding dashboard device, motor vehicle, and manufacturing method
FR2972993A1 (en) * 2011-03-21 2012-09-28 Faurecia Interieur Ind Assembly for assembling hollow tubes of fascia on structure of motor vehicle, has fastener including leg fixed at elongate part, where end part of cross-piece is fixed to one of posts such that leg is prestressed in contact with panel
DE102018116025A1 (en) * 2018-07-03 2020-01-09 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Vehicle part structure with at least one cockpit mounting bracket

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FR2907412A1 (en) 2008-04-25

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