FR2920357A1 - Front seat's support for motor vehicle, has cross pieces fixed with stretchers in manner to form assembly fixed on floor on which seat is mounted, where cross pieces are arranged perpendicular to stretchers that are connected to floor - Google Patents

Front seat's support for motor vehicle, has cross pieces fixed with stretchers in manner to form assembly fixed on floor on which seat is mounted, where cross pieces are arranged perpendicular to stretchers that are connected to floor Download PDF

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Publication number
FR2920357A1
FR2920357A1 FR0757211A FR0757211A FR2920357A1 FR 2920357 A1 FR2920357 A1 FR 2920357A1 FR 0757211 A FR0757211 A FR 0757211A FR 0757211 A FR0757211 A FR 0757211A FR 2920357 A1 FR2920357 A1 FR 2920357A1
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FR
France
Prior art keywords
support
floor
seat
stretchers
cross pieces
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR0757211A
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French (fr)
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FR2920357B1 (en
Inventor
Patrice Goujon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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Publication date
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR0757211A priority Critical patent/FR2920357B1/en
Publication of FR2920357A1 publication Critical patent/FR2920357A1/en
Application granted granted Critical
Publication of FR2920357B1 publication Critical patent/FR2920357B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units
    • B62D25/2009Floors or bottom sub-units in connection with other superstructure subunits
    • B62D25/2036Floors or bottom sub-units in connection with other superstructure subunits the subunits being side panels, sills or pillars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/005Arrangement or mounting of seats in vehicles, e.g. dismountable auxiliary seats
    • B60N2/015Attaching seats directly to vehicle chassis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D25/00Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/20Floors or bottom sub-units

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

Abstract

The support (10) has inner and outer stretchers (8, 9) connected to a floor of a vehicle, where the stretchers are arranged substantially parallel to a seat of the vehicle. Two front and rear cross pieces (15, 16) are fixed with the stretchers in a manner to form an assembly fixed on the floor on which the seat is mounted. A guide is arranged in the stretchers for passage of screws for fixing the support with a basement attached to the floor. The cross pieces are arranged perpendicular to the stretchers.

Description

Support pour siège avant de véhicule automobile   Support for front seat of a motor vehicle

La présente invention concerne un support pour siège avant de véhicule automobile. The present invention relates to a support for a front seat of a motor vehicle.

En référence à la figure 1, le siège avant 1 d'un véhicule automobile est monté sur un support 2 solidaire du plancher 3 de ce véhicule automobile. A cet effet, l'ossature du siège 1 est montée sur des brancards 4 permettant le coulissement du siège 1 par rapport au plancher 3, par l'intermédiaire de rails de coulissement (non représentés). Afin de préserver un passager transporté dans le siège 1 lors d'un choc (latéral, frontal...) du véhicule, certains véhicules sont munis d'un plancher 3 déformable. With reference to FIG. 1, the front seat 1 of a motor vehicle is mounted on a support 2 secured to the floor 3 of this motor vehicle. For this purpose, the frame of the seat 1 is mounted on shafts 4 allowing the sliding of the seat 1 relative to the floor 3, by means of sliding rails (not shown). In order to preserve a passenger transported in the seat 1 during a collision (side, front ...) of the vehicle, some vehicles are provided with a deformable floor 3.

Par sa déformation, un tel plancher 3 absorbe de l'énergie issue du choc et préserve en conséquence l'intégrité du passager. Toutefois, des contraintes techniques et/ou économiques peuvent imposer de reconduire un type de plancher utilisé dans un premier véhicule, pour la conception d'un second type de véhicule. Dans ce cas, le second type de véhicule peut ne pas absorber suffisamment d'énergie en cas de choc ou ne pas satisfaire tous les critères réglementaires associés aux chocs ou aux situations de vie sévérisées. La présente invention vise à remédier à cet inconvénient. C'est pourquoi, elle concerne un support pour siège de véhicule automobile comprenant des brancards, sensiblement parallèles, destinées à être reliés d'une part au plancher d'un véhicule et, d'autre part, à un siège de ce véhicule, caractérisé en ce que ce support comprend deux traverses telles que chaque traverse, sensiblement perpendiculaire aux brancards, est fixée aux deux brancards de façon à former un ensemble fixe sur le plancher, sur lequel le siège est monté. Grâce à un tel support, il est possible de préserver de façon accrue le passager d'un siège avant vis-à-vis d'un choc, notamment latéral. De fait, un support conforme à l'invention présente une meilleure résistance à un choc latéral qu'un support connu selon l'art antérieur grâce à la présence des 5 traverses. En outre, chaque brancard est formé par l'agencement d'un brancard supérieur monté sur un brancard inférieur. Dans une réalisation, au moins une traverse est 10 soudée aux brancards. Selon une réalisation, au moins une traverse est soudée aux brancards supérieurs. Dans une réalisation, le support présente des guides dans les brancards pour le passage des vis 15 destinées à fixer le support à son soubassement solidaire du plancher. Selon une réalisation, le support comprend un élément de renforcement situé dans au moins un brancard. L'invention concerne également un véhicule de 20 transport muni d'un support de siège conforme à l'une des réalisations précédentes. L'invention sera mieux comprise et d'autres buts, avantages et caractéristiques apparaîtront plus clairement à la lecture de la description qui suit et qui 25 est faite au regard des dessins annexés et sur lesquels : - la figure 1, déjà décrite, représente un support pour siège automobile selon l'art antérieur, - la figure 2 est une vue schématique de l'ossature d'un support conforme à l'invention, 30 - la figure 3 est une vue éclatée de l'ossature du support décrit à la figure 2, - la figure 4 est un schéma relatif à la fixation d'un support conforme à l'invention à un soubassement, et - les figures 5a et 5b sont des schémas illustrant 35 l'action des forces sur une monture conforme à l'invention en cas de choc. On a représenté à la figure 2 un support 10 de siège d'un véhicule automobile, ce support 10 étant parfois désigné podium ou réhausse de siège par l'homme de l'art. En référence aux figures 2 et 3, un support 10 conforme à l'invention comprend deux brancards 8 et 9 dirigés longitudinalement par rapport à la direction avant-arrière du véhicule. Dans la suite de l'exposé, un premier brancard 8 situé du côté central du véhicule est désigné brancard intérieur 8, et un second brancard 9 situé à proximité de la paroi latérale du véhicule est désigné brancard extérieur 9. Le brancard intérieur 8 est constitué de deux sous-ensembles formant un brancard supérieur 11 monté sur un brancard inférieur 12. De la même façon, le brancard extérieur 9 est constitué de deux sous-ensembles formant un brancard supérieur 13 monté sur un brancard inférieur 14. Les brancards inférieurs 12 et 14 sont destinés à 20 être fixés au plancher d'un véhicule. Notons que le brancard extérieur 14 est muni de cloisons 17 en vis-à-vis des longerons latéraux du véhicule (non représentés) afin de créer un empilement adapté au choc latéral.By its deformation, such a floor 3 absorbs energy from shock and thus preserves the integrity of the passenger. However, technical and / or economic constraints may require the renewal of a type of floor used in a first vehicle, for the design of a second type of vehicle. In this case, the second type of vehicle may not absorb enough energy in case of shock or fail to meet all the regulatory criteria associated with shocks or severe life situations. The present invention aims to remedy this disadvantage. Therefore, it relates to a support for a motor vehicle seat comprising stretches, substantially parallel, intended to be connected on the one hand to the floor of a vehicle and, secondly, to a seat of the vehicle, characterized in that this support comprises two crosspieces such that each cross member, substantially perpendicular to the shafts, is fixed to the two shafts so as to form a fixed assembly on the floor, on which the seat is mounted. With such a support, it is possible to increase the preservation of the passenger of a front seat vis-à-vis a shock, including lateral. In fact, a support according to the invention has a better resistance to lateral impact than a known support according to the prior art due to the presence of the crosspieces. In addition, each stretcher is formed by the arrangement of an upper stretcher mounted on a lower stretcher. In one embodiment, at least one cross member is welded to the stretchers. In one embodiment, at least one cross member is welded to the upper stretchers. In one embodiment, the support has guides in the shafts for the passage of the screws 15 for securing the support to its base joined to the floor. In one embodiment, the support comprises a reinforcing element located in at least one stretcher. The invention also relates to a transport vehicle provided with a seat support according to one of the preceding embodiments. The invention will be better understood and other objects, advantages and features will appear more clearly on reading the description which follows and which is made with reference to the appended drawings and in which: FIG. 1, already described, represents a Car seat support according to the prior art, - Figure 2 is a schematic view of the frame of a support according to the invention; - Figure 3 is an exploded view of the frame of the support described in FIG. 4 is a diagram relating to the fixing of a support according to the invention to a base, and FIGS. 5a and 5b are diagrams illustrating the action of the forces on a frame in accordance with FIG. invention in case of shock. There is shown in Figure 2 a seat support 10 of a motor vehicle, this support 10 is sometimes designated podium or seat riser by one skilled in the art. Referring to Figures 2 and 3, a support 10 according to the invention comprises two shafts 8 and 9 directed longitudinally with respect to the front-rear direction of the vehicle. In the remainder of the disclosure, a first stretcher 8 located on the central side of the vehicle is designated inner stretcher 8, and a second stretcher 9 located near the side wall of the vehicle is designated outer stretcher 9. The inner stretcher 8 is constituted of two subassemblies forming an upper stretcher 11 mounted on a lower stretcher 12. Likewise, the outer stretcher 9 consists of two subassemblies forming an upper stretcher 13 mounted on a lower stretcher 14. The lower struts 12 and 14 are intended to be fixed to the floor of a vehicle. Note that the outer stretcher 14 is provided with partitions 17 vis-à-vis the side rails of the vehicle (not shown) to create a stack adapted to the side impact.

25 Par ailleurs, les brancards intérieurs 8 et extérieur 9 sont reliés entre eux par une traverse avant 15 et une traverse arrière 16. Plus précisément, la traverse avant 15 et la traverse arrière 16, transversales, sont sensiblement 30 parallèles entre elles et perpendiculaires aux brancards 8 et 9. Ainsi, le support 10 présente une résistance accrue à un choc latéral comme décrit ultérieurement à l'aide des figures 5a et 5b.Furthermore, the inner and outer struts 8 and 9 are interconnected by a front cross member 15 and a rear cross member 16. More specifically, the front cross member 15 and the transverse rear cross member 16 are substantially parallel to each other and perpendicular to the Thus, the support 10 has an increased resistance to lateral impact as described later with the aid of FIGS. 5a and 5b.

35 Pour renforcer la résistance du support à un choc latéral, le brancard 8 comprend une plaque de mattage 21 tandis que la traverse arrière 16 présente un renforcement interne 19 associé à un écrou soudé 22 qui contribue à la fixation du siège. Dans cette réalisation, ce renforcement 19 est constitué d'une pièce située à l'intérieur du logement formé par les parois du brancard inférieur 14 et supérieur 13. De façon analogue, des guides 18 - associées à des romaines 20 - sont prévus dans des zones avant et arrière des brancards 8, 9 de façon à guider des vis de fixation introduites au travers de ces brancards pour leur fixation au plancher 3. Les guides 18 délimitent ainsi le passage des vis et empêchent qu'elles ne se perdent dans le corps creux que forme chaque brancard 8, 9. Par l'intermédiaire de ces guides 18, le support 10 15 peut être relié à un soubassement 25 solidaire du plancher 26 comme montré sur la figure 4. Finalement, un siège 27 peut être agencé au support par vissage sur les brancards supérieurs comme montré sur cette figure 4.To enhance the resistance of the support to a side impact, the stretcher 8 includes a matting plate 21 while the rear cross member 16 has an internal reinforcement 19 associated with a welded nut 22 which contributes to the attachment of the seat. In this embodiment, this reinforcement 19 consists of a part located inside the housing formed by the walls of the lower stretcher 14 and upper 13. In a similar way, guides 18 - associated with Roman 20 - are provided in front and rear areas of the shafts 8, 9 so as to guide fastening screws introduced through these shafts for their attachment to the floor 3. The guides 18 and delimit the passage of the screws and prevent them from getting lost in the body the hollow formed by each stretcher 8, 9. Through these guides 18, the support 15 can be connected to a base 25 secured to the floor 26 as shown in FIG. 4. Finally, a seat 27 can be arranged on the support by screwing on the upper stretchers as shown in this figure 4.

20 Grâce à un tel agencement, la sécurité d'un passager transporté dans un siège utilisant un tel support est accrue en cas de choc. De fait, comme montré sur la figure 5a, l'action subie par le support 10 lors d'un choc frontal se propage 25 -flèches représentées - dans le sens longitudinal des brancards. De ce fait, cette énergie est absorbée par les brancards inférieurs 12 et 14, par les brancards supérieurs 11 et 13, par des romaines 20 et la plaque de mattage 21.Thanks to such an arrangement, the safety of a passenger transported in a seat using such a support is increased in the event of impact. In fact, as shown in FIG. 5a, the action undergone by the support 10 during a frontal impact propagates 25 arrows represented in the longitudinal direction of the shafts. As a result, this energy is absorbed by the lower shafts 12 and 14, the upper shafts 11 and 13, the Roman shafts 20 and the matting plate 21.

30 Par ailleurs, comme montré sur la figure 5b, l'action subie par le support lors d'un choc latéral se propage -flèches représentées - dans la traverse avant 15, la traverse arrière 16, les cloisons 17 et le renfort 19. Furthermore, as shown in FIG. 5b, the action undergone by the support during a lateral impact propagates-arrows represented-in the front crossmember 15, the rear crossmember 16, the partitions 17 and the reinforcement 19.

Claims (7)

REVENDICATIONS 1. Support (10) pour siège (27) de véhicule automobile comprenant des brancards (8, 9), sensiblement parallèles, destinés à être reliés d'une part au plancher (26) d'un véhicule et, d'autre part, à un siège (27) de ce véhicule, caractérisé en ce que ce support (10) comprend deux traverses (15, 16) telles que chaque traverse (15, 16), sensiblement perpendiculaire aux brancards (8, 9), est fixée aux deux brancards (8, 9) de façon à former un ensemble fixe sur le plancher (26), sur lequel le siège (27) est monté. Carrier support (10) for a motor vehicle seat (27) comprising substantially parallel stretches (8, 9) intended to be connected on the one hand to the floor (26) of a vehicle and, on the other hand, to a seat (27) of this vehicle, characterized in that this support (10) comprises two crosspieces (15, 16) such that each crossbar (15, 16), substantially perpendicular to the shafts (8, 9), is fixed to two shafts (8, 9) so as to form a fixed assembly on the floor (26), on which the seat (27) is mounted. 2. Support (10) selon la revendication 1 caractérisé en ce que, chaque brancard (8, 9) est formé par l'agencement d'un brancard supérieur (11, 13) monté sur un brancard inférieur (12, 14). 2. Support (10) according to claim 1 characterized in that each stretcher (8, 9) is formed by the arrangement of an upper stretcher (11, 13) mounted on a lower stretcher (12, 14). 3. Support (10) selon la revendication 2 caractérisé en ce qu'au moins une traverse (15, 16) est soudée aux brancards (8, 9). 3. Support (10) according to claim 2 characterized in that at least one cross member (15, 16) is welded to the shafts (8, 9). 4. Support (10) selon la revendication 2, caractérisé en ce qu'au moins une traverse (15, 16) est soudée aux brancards supérieurs. 4. Support (10) according to claim 2, characterized in that at least one cross member (15, 16) is welded to the upper side rails. 5. Support (10) selon l'une quelconque des revendications 2 à 4 caractérisé en ce qu'il présente des guides (18) dans les brancards pour le passage des vis destinées à fixer le support (10) à son soubassement (25) solidaire du plancher (26). 5. Support (10) according to any one of claims 2 to 4 characterized in that it has guides (18) in the shafts for the passage of the screws for fixing the support (10) to its base (25) secured to the floor (26). 6. Support (10) selon l'une des revendications précédentes caractérisé en ce qu'il comprend un élément 30 de renforcement (19, 20) situé dans au moins un brancard (8, 9). 6. Support (10) according to one of the preceding claims characterized in that it comprises a reinforcing element 30 (19, 20) located in at least one stretcher (8, 9). 7. Véhicule (6) de transport muni d'un support de siège (1) conforme à l'une des revendications précédentes. 7. Transport vehicle (6) provided with a seat support (1) according to one of the preceding claims.
FR0757211A 2007-08-28 2007-08-28 CARRIER FOR FRONT SEAT OF MOTOR VEHICLE Expired - Fee Related FR2920357B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0757211A FR2920357B1 (en) 2007-08-28 2007-08-28 CARRIER FOR FRONT SEAT OF MOTOR VEHICLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0757211A FR2920357B1 (en) 2007-08-28 2007-08-28 CARRIER FOR FRONT SEAT OF MOTOR VEHICLE

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FR2920357A1 true FR2920357A1 (en) 2009-03-06
FR2920357B1 FR2920357B1 (en) 2010-02-26

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009048335A1 (en) * 2009-10-06 2011-04-07 GM Global Technology Operations, Inc., Detroit Seat cross beam for fastening seat to body undersurface of motor vehicle, has longitudinal profiles provided with ramp shaped connecting sections that are connected with transverse profile
DE102011089164A1 (en) 2011-12-20 2013-06-20 Bayerische Motoren Werke Aktiengesellschaft Arrangement of seat support frame to vehicle floor for e.g. passenger car, has cross beams that are connected with frame units in transverse direction, such that surface elements are arranged one above other in vertical direction
DE102016223316A1 (en) * 2016-11-24 2018-05-24 Volkswagen Aktiengesellschaft Body floor structure for a vehicle
CN113022390A (en) * 2021-03-31 2021-06-25 东风汽车集团股份有限公司 Independent seat mounting truss and vehicle body mounting structure thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005219521A (en) * 2004-02-03 2005-08-18 Toyota Motor Corp Vehicle body lower part structure
EP1792808A1 (en) * 2005-12-01 2007-06-06 Mazda Motor Corporation Lower vehicle body structure and vehicle provided therewith
DE102006009100A1 (en) * 2006-02-28 2007-08-30 Daimlerchrysler Ag Ground equipment for automobile, has seat arrangement in connecting area of structure components is fixed with tunnel bridge, where seat of automobile is fixed to base structure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005219521A (en) * 2004-02-03 2005-08-18 Toyota Motor Corp Vehicle body lower part structure
EP1792808A1 (en) * 2005-12-01 2007-06-06 Mazda Motor Corporation Lower vehicle body structure and vehicle provided therewith
DE102006009100A1 (en) * 2006-02-28 2007-08-30 Daimlerchrysler Ag Ground equipment for automobile, has seat arrangement in connecting area of structure components is fixed with tunnel bridge, where seat of automobile is fixed to base structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009048335A1 (en) * 2009-10-06 2011-04-07 GM Global Technology Operations, Inc., Detroit Seat cross beam for fastening seat to body undersurface of motor vehicle, has longitudinal profiles provided with ramp shaped connecting sections that are connected with transverse profile
DE102011089164A1 (en) 2011-12-20 2013-06-20 Bayerische Motoren Werke Aktiengesellschaft Arrangement of seat support frame to vehicle floor for e.g. passenger car, has cross beams that are connected with frame units in transverse direction, such that surface elements are arranged one above other in vertical direction
DE102011089164B4 (en) 2011-12-20 2023-10-05 Bayerische Motoren Werke Aktiengesellschaft Arrangement of a seat support frame on a vehicle floor for a motor vehicle
DE102016223316A1 (en) * 2016-11-24 2018-05-24 Volkswagen Aktiengesellschaft Body floor structure for a vehicle
DE102016223316B4 (en) * 2016-11-24 2021-06-24 Volkswagen Aktiengesellschaft Body-floor structure for a vehicle
CN113022390A (en) * 2021-03-31 2021-06-25 东风汽车集团股份有限公司 Independent seat mounting truss and vehicle body mounting structure thereof

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