FR3006253A1 - SLIDER FIXING DEVICE - Google Patents

SLIDER FIXING DEVICE Download PDF

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Publication number
FR3006253A1
FR3006253A1 FR1355136A FR1355136A FR3006253A1 FR 3006253 A1 FR3006253 A1 FR 3006253A1 FR 1355136 A FR1355136 A FR 1355136A FR 1355136 A FR1355136 A FR 1355136A FR 3006253 A1 FR3006253 A1 FR 3006253A1
Authority
FR
France
Prior art keywords
floor
vehicle
centering
slide
centering pin
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
FR1355136A
Other languages
French (fr)
Other versions
FR3006253B1 (en
Inventor
Nicolas Rilat
Frederic Guidez
Gerard Jeuffe
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
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 Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR1355136A priority Critical patent/FR3006253B1/en
Publication of FR3006253A1 publication Critical patent/FR3006253A1/en
Application granted granted Critical
Publication of FR3006253B1 publication Critical patent/FR3006253B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B60N2/02Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07Slide construction
    • B60N2/0722Constructive details
    • 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
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/4207Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces
    • B60N2/4235Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats characterised by the direction of the g-forces transversal
    • 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
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427Seats or parts thereof displaced during a crash
    • B60N2/42709Seats or parts thereof displaced during a crash involving residual deformation or fracture of the structure
    • 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
    • B60N2/24Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/42Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
    • B60N2/427Seats or parts thereof displaced during a crash
    • B60N2/42772Seats or parts thereof displaced during a crash characterised by the triggering system
    • B60N2/42781Seats or parts thereof displaced during a crash characterised by the triggering system mechanical triggering

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

Dispositif de fixation d'une glissière de siège sur un plancher de véhicule, le dispositif comprenant un pion de centrage agencé pour être solidaire de la glissière et présentant une portion de centrage agencée pour s'engager avec un orifice du plancher pour centrer la glissière sur le plancher de véhicule, caractérisé en ce que la portion de centrage du pion de centrage est sécable et agencée pour se détacher du pion de centrage lors d'un choc du véhicule.Device for fixing a seat slide on a vehicle floor, the device comprising a centering pin arranged to be integral with the slide and having a centering portion arranged to engage with a hole in the floor to center the slide on the vehicle floor, characterized in that the centering portion of the centering pin is breakable and arranged to detach from the centering pin during an impact of the vehicle.

Description

DISPOSITIF DE FIXATION DE GLISSIERE La présente invention concerne de manière générale la fixation d'une glissière de siège de véhicule.The present invention relates generally to the attachment of a vehicle seat slide.

Des dispositifs de fixation de glissières de véhicule sont connus. Par exemple, le document FR2829197 décrit un moyen de fixation d'un rail sur un plancher qui dispose d'un pion de positionnement. Le document FR2884797 décrit une entretoise de fixation fixée d'un côté à un plancher et de côté à un siège et qui dispose de pions de positionnement réalisés directement par emboutissage. Cependant, ces dispositifs présentent notamment l'inconvénient de ne rien prévoir pour limiter l'endommagement de la structure du véhicule lors d'un choc. En effet, la multiplicité des interfaces de fixation et de positionnement provoque un affaiblissement de la structure du plancher du véhicule, et notamment en cas de choc véhicule, la structure du plancher peut perdre son intégrité, ce qui peut conduire à un détachement du siège. Un but de la présente invention est de remédier aux inconvénients des documents de l'art antérieur mentionnés ci-dessus et tout d'abord, de proposer un dispositif de fixation d'une glissière de siège qui préserve la structure du plancher en cas de choc véhicule. A cet effet, un premier aspect de l'invention concerne un dispositif de fixation d'une glissière de siège sur un plancher de véhicule, le dispositif comprenant un pion de centrage agencé pour être solidaire de la glissière et présentant une portion de centrage agencée pour s'engager avec un orifice du plancher pour centrer la glissière sur le plancher de véhicule, caractérisé en ce que la portion de centrage du pion de centrage est sécable et agencée pour se détacher du pion de centrage lors d'un choc du véhicule. La présente mise en oeuvre permet de limiter les efforts exercés par le siège sur la structure du plancher, car lors d'un choc, la portion de centrage du pion de centrage est agencée pour casser, ce qui évite de contraindre le plancher dans la zone de centrage.Vehicle slide fasteners are known. For example, the document FR2829197 describes a means of fixing a rail on a floor which has a positioning pin. The document FR2884797 describes a fixing spacer fixed on one side to a floor and side to a seat and which has positioning pins made directly by stamping. However, these devices have the particular disadvantage of not providing anything to limit the damage to the vehicle structure during an impact. Indeed, the multiplicity of fixing and positioning interfaces causes a weakening of the vehicle floor structure, and particularly in case of vehicle shock, the floor structure can lose its integrity, which can lead to detachment of the seat. An object of the present invention is to overcome the disadvantages of the documents of the prior art mentioned above and first of all, to provide a seat slide fastening device which preserves the floor structure in case of impact vehicle. For this purpose, a first aspect of the invention relates to a device for attaching a seat slide to a vehicle floor, the device comprising a centering pin arranged to be integral with the slide and having a centering portion arranged to engage with a floor opening to center the slide on the vehicle floor, characterized in that the centering portion of the centering pin is breakable and arranged to detach from the centering pin upon impact of the vehicle. The present implementation limits the forces exerted by the seat on the floor structure, because during impact, the centering portion of the centering pin is arranged to break, which avoids forcing the floor in the area centering.

Selon un mode de réalisation le dispositif comprend un boulon agencé pour attacher le dispositif de fixation au plancher du véhicule, et le boulon est agencé pour présenter un jeu avec le plancher du véhicule supérieur à un jeu entre la portion de centrage et l'orifice du plancher lorsque le dispositif est attaché au plancher. Le boulon de la fixation du siège au plancher selon cette mise en oeuvre présente un jeu supérieur au jeu du pion de centrage avec le plancher, c'est à dire que seul le pion de centrage est en contact avec le plancher lors de la vie du véhicule. Lors du choc, la portion de centrage du pion se détache de la glissière, car cette portion de centrage, de même que l'orifice du plancher, n'est pas dimensionnée pour reprendre et supporter les efforts lors du choc. Le détachement de la portion de centrage permet au boulon de venir en contact avec le plancher du véhicule, et ce dernier n'est pas endommagé par le pion de centrage. Cette mise en oeuvre est particulièrement intéressante lorsque l'on a affaire à un plancher fragile, tel qu'un plancher en matériau composite par exemple. Selon un mode de réalisation, le pion de centrage comprend une gorge circulaire pour définir la portion de centrage sécable. Selon un mode de réalisation, la gorge est agencée pour être entre la glissière et une surface supérieure du plancher, lorsque le dispositif est attaché au plancher. Une fois sa portion de centrage détachée, le pion de centrage n'a plus aucune partie en contact avec le plancher. Un second aspect de l'invention est une glissière de siège de véhicule comprenant au moins un dispositif selon le premier aspect de l'invention. Un troisième aspect de l'invention est un véhicule automobile 25 comprenant au moins une glissière de siège selon le second aspect de l'invention. Selon un mode de réalisation, le plancher du véhicule est réalisé en matériau composite. On comprendra mieux l'invention à l'aide de la description, faite ci-après 30 à titre purement explicatif, d'un mode de réalisation de l'invention, en référence aux figures annexées dans lesquelles : - la figure 1 représente une coupe d'une glissière fixée à un plancher de véhicule par un dispositif de fixation selon l'invention ; - la figure 2 représente le dispositif de la figure 1 lors d'un choc latéral.According to one embodiment the device comprises a bolt arranged to attach the fastening device to the floor of the vehicle, and the bolt is arranged to present a clearance with the floor of the vehicle greater than a clearance between the centering portion and the hole of the vehicle. floor when the device is attached to the floor. The bolt of the attachment of the seat to the floor according to this implementation has a greater clearance to the game of the centering pin with the floor, that is to say that only the centering pin is in contact with the floor during the life of the vehicle. During the shock, the centering portion of the pin is detached from the slide, because this centering portion, as well as the hole of the floor, is not dimensioned to resume and withstand the forces during impact. The detachment of the centering portion allows the bolt to contact the floor of the vehicle, and the latter is not damaged by the centering pin. This implementation is particularly interesting when dealing with a fragile floor, such as a floor of composite material for example. According to one embodiment, the centering pin comprises a circular groove for defining the breakable centering portion. According to one embodiment, the groove is arranged to be between the slide and an upper surface of the floor, when the device is attached to the floor. Once its centering portion detached, the centering pin has no part in contact with the floor. A second aspect of the invention is a vehicle seat slide comprising at least one device according to the first aspect of the invention. A third aspect of the invention is a motor vehicle comprising at least one seat slide according to the second aspect of the invention. According to one embodiment, the floor of the vehicle is made of composite material. The invention will be better understood by means of the following description, given purely for explanatory purposes, of one embodiment of the invention, with reference to the appended figures in which: FIG. a slideway fixed to a vehicle floor by a fastening device according to the invention; - Figure 2 shows the device of Figure 1 during a side impact.

La Figure 1 représente une glissière 10 en coupe, attachée à un plancher 20 de véhicule. La glissière 10 est attachée au plancher 20 par un dispositif de fixation qui comprend notamment une embase 31, un pion de centrage 32 et un boulon 35. Le pion de centrage 32 comprend une portion de centrage 32a et une gorge 32b.Figure 1 shows a slider 10 in section, attached to a vehicle floor. The slideway 10 is attached to the floor 20 by a fixing device which comprises in particular a base 31, a centering pin 32 and a bolt 35. The centering pin 32 comprises a centering portion 32a and a groove 32b.

La glissière 10 est fixée à l'embase 31 par une vis de fixation non représentée, et l'ensemble glissière 10 - embase 31 est attaché au plancher 20 par un boulon 35 composé d'une vis 33 et d'un écrou 34, au travers d'un trou 21 du plancher. Le pion de centrage coopère avec un orifice 22 du plancher 20 pour centrer l'embase 31 et donc la glissière 10 sur le plancher 20. Ainsi, la glissière 10 est parfaitement localisée sur le véhicule. Afin de garantir que c'est bien le pion de centrage 32 qui positionne la glissière 10, et également pour éviter un éventuel hyperstatisme, le trou 21 du plancher 20 est agencé pour offrir un jeu du boulon 35 avec le plancher 20 supérieur au jeu entre le pion de centrage 32 et le plancher 20. La Figure 2 représente le montage de la figure 1 lors d'un choc du véhicule. Lors de ce choc, le plancher 20 subit un déplacement brutal vers la gauche représenté par la flèche. En raison de la masse du siège embarqué sur la glissière et de l'accélération imposée par le choc, des efforts importants sont exercés par le pion de centrage 32 sur le plancher 20. En effet, le montage de la portion de centrage 32a sur le plancher avec un faible jeu a pour conséquence que c'est cette portion de centrage qui empêche tout déplacement du siège par rapport au plancher 20. Les efforts en jeu sont très importants et risquent en conséquence de dégrader l'intégrité du plancher 20 et amorcer une rupture au niveau de l'orifice 22 du plancher 20 dans lequel est engagée la portion de centrage 32a.The slideway 10 is fixed to the base 31 by a not shown fixing screw, and the slide assembly 10 - base 31 is attached to the floor 20 by a bolt 35 consisting of a screw 33 and a nut 34, to through a hole 21 of the floor. The centering pin cooperates with an orifice 22 of the floor 20 to center the base 31 and thus the slideway 10 on the floor 20. Thus, the slideway 10 is perfectly located on the vehicle. To ensure that it is the centering pin 32 which positions the slide 10, and also to avoid possible hyperstatism, the hole 21 of the floor 20 is arranged to provide a game of the bolt 35 with the floor 20 greater than the clearance between the centering pin 32 and the floor 20. Figure 2 shows the assembly of Figure 1 during a crash of the vehicle. During this shock, the floor 20 undergoes a sudden displacement to the left represented by the arrow. Due to the mass of the seat on the slide and the acceleration imposed by the shock, significant forces are exerted by the centering pin 32 on the floor 20. In fact, the mounting of the centering portion 32a on the floor with low play means that it is this centering portion that prevents any movement of the seat relative to the floor 20. The efforts involved are very important and therefore risk of degrading the integrity of the floor 20 and initiate a rupture at the orifice 22 of the floor 20 in which is engaged the centering portion 32a.

Pour éviter de solliciter le plancher 20 dans la zone de l'orifice 22 qui reçoit le pion de centrage 32, ce dernier est dimensionné pour se rompre lors de ce choc. A cet effet, la gorge 32b réduit notablement la résistance du pion de centrage 32, et la portion de centrage 32a se détache sous l'effort exercé pendant le choc. L'orifice 22 du plancher 20 ne supporte donc pas les efforts du siège, et son intégrité est préservée. L'invention permet d'éviter de renforcer outre mesure la portion de plancher 20 au voisinage immédiat de l'orifice 22, et offre la possibilité d'amincir et de limiter la résistance du plancher 20 à cet endroit à la seule fonction de centrage de la glissière 10. La présente invention est particulièrement bien adaptée dans le cas d'un plancher en matériau composite, pour lequel les risques de délaminage sont cruciaux. Enfin, la gorge 32b du pion de centrage 32 est dimensionnée de sorte à 15 garantir une bonne tenue mécanique du pion de centrage 32 lors des opérations de manutention, logistique et assemblage, mais pour permettre le détachement de la portion de centrage 32 a lors d'un choc du véhicule. L'invention est décrite dans ce qui précède à titre d'exemple. Il est 20 entendu que l'homme du métier est à même de réaliser différentes variantes de l'invention sans pour autant sortir du cadre du brevet.To avoid soliciting the floor 20 in the area of the orifice 22 which receives the centering pin 32, the latter is sized to break during this impact. For this purpose, the groove 32b significantly reduces the resistance of the centering pin 32, and the centering portion 32a is detached under the force exerted during the shock. The hole 22 of the floor 20 therefore does not support the efforts of the seat, and its integrity is preserved. The invention avoids unduly reinforcing the floor portion 20 in the immediate vicinity of the orifice 22, and offers the possibility of thinning and limiting the resistance of the floor 20 at this location to the sole centering function of the slide 10. The present invention is particularly well suited in the case of a composite material floor, for which the risk of delamination is crucial. Finally, the groove 32b of the centering pin 32 is dimensioned so as to guarantee a good mechanical strength of the centering pin 32 during the handling, logistics and assembly operations, but to allow the detachment of the centering portion 32a during operation. 'a shock of the vehicle. The invention is described in the foregoing by way of example. It is understood that one skilled in the art is able to realize different variants of the invention without departing from the scope of the patent.

Claims (7)

REVENDICATIONS1. Dispositif de fixation d'une glissière (10) de siège sur un plancher (20) de véhicule, le dispositif comprenant un pion de centrage (32) agencé pour être solidaire de la glissière (10) et présentant une portion de centrage (32a) agencée pour s'engager avec un orifice (22) du plancher (20) pour centrer la glissière (10) sur le plancher (20) de véhicule, caractérisé en ce que la portion de centrage (32a) du pion de centrage (32) est sécable et agencée pour se détacher du pion de centrage (32) lors d'un choc du véhicule.REVENDICATIONS1. Device for fixing a seat slide (10) on a vehicle floor (20), the device comprising a centering pin (32) arranged to be integral with the slide (10) and having a centering portion (32a) arranged to engage with an opening (22) of the floor (20) to center the slide (10) on the vehicle floor (20), characterized in that the centering portion (32a) of the centering pin (32) is breakable and arranged to detach from the centering pin (32) during a crash of the vehicle. 2. Dispositif selon la revendication précédente, caractérisé en ce qu'il comprend un boulon (35) agencé pour attacher le dispositif de fixation au plancher (20) du véhicule, et en ce le boulon (35) est agencé pour présenter un jeu avec le plancher (20) du véhicule supérieur à un jeu entre la portion de centrage (32a) et l'orifice (22) du plancher (20) lorsque le dispositif est attaché au plancher (20).2. Device according to the preceding claim, characterized in that it comprises a bolt (35) arranged to attach the fastener to the floor (20) of the vehicle, and in that the bolt (35) is arranged to present a game with the floor (20) of the vehicle greater than a clearance between the centering portion (32a) and the hole (22) of the floor (20) when the device is attached to the floor (20). 3. Dispositif selon l'une des revendications précédentes, caractérisé en ce que le pion de centrage (32) comprend une gorge circulaire pour définir la portion de centrage (32a) sécable.3. Device according to one of the preceding claims, characterized in that the centering pin (32) comprises a circular groove for defining the centering portion (32a) breakable. 4. Dispositif selon la revendication précédente, caractérisé en ce que la gorge est agencée pour être entre la glissière (10) et une surface supérieure du plancher (20), lorsque le dispositif est attaché au plancher (20).4. Device according to the preceding claim, characterized in that the groove is arranged to be between the slide (10) and an upper surface of the floor (20), when the device is attached to the floor (20). 5. Glissière (10) de siège de véhicule comprenant au moins un dispositif selon l'une des revendications précédentes.5. Vehicle seat slide (10) comprising at least one device according to one of the preceding claims. 6. Véhicule automobile comprenant au moins une glissière (10) de siège selon la revendication précédente.6. Motor vehicle comprising at least one seat slide (10) according to the preceding claim. 7. Véhicule selon la revendication précédente, caractérisé en ce que le plancher (20) est réalisé en matériau composite.7. Vehicle according to the preceding claim, characterized in that the floor (20) is made of composite material.
FR1355136A 2013-06-04 2013-06-04 SLIDER FIXING DEVICE Expired - Fee Related FR3006253B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018091845A1 (en) 2016-11-21 2018-05-24 Psa Automobiles Sa Removable reinforcement device for the guide rail of a vehicle seat on a support

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2829197A1 (en) * 2001-09-03 2003-03-07 Renault DEVICE FOR FIXING A RAIL ON A MOTOR VEHICLE FLOOR, AND METHOD USING THE SAME
FR2884797A1 (en) * 2005-04-20 2006-10-27 Faurecia Sieges Automobile Manufacture of stamped stretcher plate for fixing a seat to a vehicle chassis includes two stamping stages for forming fixing pegs
DE102012018007A1 (en) * 2011-09-16 2013-03-21 Faurecia Sièges d'Automobile Distance and mounting bracket for sliding rail of vehicle seat secured at automobile chassis, has elongated metal part extended along vertical direction and incorporated in centering hole of chassis to be received

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2829197A1 (en) * 2001-09-03 2003-03-07 Renault DEVICE FOR FIXING A RAIL ON A MOTOR VEHICLE FLOOR, AND METHOD USING THE SAME
FR2884797A1 (en) * 2005-04-20 2006-10-27 Faurecia Sieges Automobile Manufacture of stamped stretcher plate for fixing a seat to a vehicle chassis includes two stamping stages for forming fixing pegs
DE102012018007A1 (en) * 2011-09-16 2013-03-21 Faurecia Sièges d'Automobile Distance and mounting bracket for sliding rail of vehicle seat secured at automobile chassis, has elongated metal part extended along vertical direction and incorporated in centering hole of chassis to be received

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018091845A1 (en) 2016-11-21 2018-05-24 Psa Automobiles Sa Removable reinforcement device for the guide rail of a vehicle seat on a support

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