FR2794689A1 - Suspension, for vehicle axles, has single length of bar formed, with bends, into sections to form various functions, spring sections, anti-roll sections and longitudinal sections. - Google Patents

Suspension, for vehicle axles, has single length of bar formed, with bends, into sections to form various functions, spring sections, anti-roll sections and longitudinal sections. Download PDF

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Publication number
FR2794689A1
FR2794689A1 FR9907294A FR9907294A FR2794689A1 FR 2794689 A1 FR2794689 A1 FR 2794689A1 FR 9907294 A FR9907294 A FR 9907294A FR 9907294 A FR9907294 A FR 9907294A FR 2794689 A1 FR2794689 A1 FR 2794689A1
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FR
France
Prior art keywords
suspension
transverse
bar
vehicle wheel
arm
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.)
Pending
Application number
FR9907294A
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French (fr)
Inventor
Jean Normand
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 FR9907294A priority Critical patent/FR2794689A1/en
Publication of FR2794689A1 publication Critical patent/FR2794689A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/001—Suspension arms, e.g. constructional features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/18—Resilient suspensions characterised by arrangement, location or kind of springs having torsion-bar springs only
    • B60G11/20—Resilient suspensions characterised by arrangement, location or kind of springs having torsion-bar springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055—Stabiliser bars
    • B60G21/0551—Mounting means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/13—Independent suspensions with longitudinal arms only
    • B60G2200/132—Independent suspensions with longitudinal arms only with a single trailing arm
    • B60G2200/1322—Independent suspensions with longitudinal arms only with a single trailing arm with a wishbone or triangular arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/13—Torsion spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10—Type of spring
    • B60G2202/13—Torsion spring
    • B60G2202/135—Stabiliser bar and/or tube
    • B60G2202/1351—Stabiliser bar and/or tube comprising at least two stabiliser bars parallel to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/122—Mounting of torsion springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/129—Damper mount on wheel suspension or knuckle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/143—Mounting of suspension arms on the vehicle body or chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/14—Mounting of suspension arms
    • B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43—Fittings, brackets or knuckles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43—Fittings, brackets or knuckles
    • B60G2204/4302—Fittings, brackets or knuckles for fixing suspension arm on the vehicle body or chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/10—Constructional features of arms
    • B60G2206/124—Constructional features of arms the arm having triangular or Y-shape, e.g. wishbone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/42—Springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/50—Constructional features of wheel supports or knuckles, e.g. steering knuckles, spindle attachments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/70—Materials used in suspensions
    • B60G2206/72—Steel
    • B60G2206/724—Wires, bars or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

Suspension has each wheel carried by intermediate spindle (1), mounted on hub carrier (2). Hub carrier is linked to structure of vehicle using roughly longitudinal arm (4) and transverse arm (6). Suspension is completed by spring bars (5). All lengths of bar (4, 5, 6) are formed from one length of bar formed with several bends (7, 8, 9).

Description

L'invention se rapporte à une suspension pour train de roues de véhicule. The invention relates to a suspension for a vehicle wheel train.

L'invention concerne plus particulièrement une suspension, notamment pour train de roues arrières, de structure simplifiée, particulièrement adaptée aux véhicules légers. The invention relates more particularly to a suspension, in particular for rear wheels, of simplified structure, particularly suitable for light vehicles.

II est connu du document FR 2 752 545 une suspension pour train de roues de véhicule dans laquelle chaque porte- moyeu est relié à la structure du véhicule, d'une part par un bras sensiblement transversal solidaire d'une barre de torsion longitudinale et, d'autre part, par un bras sensiblement longitudinal prolongeant une barre anti-dévers transversale commune. Cette suspension se caractérise par le fait que chaque bras transversal est un prolongement replié sensiblement à angle droit de la barre de torsion longitudinale associée. Document FR 2 752 545 discloses a suspension for a vehicle wheel train in which each hub carrier is connected to the structure of the vehicle, on the one hand by a substantially transverse arm secured to a longitudinal torsion bar and, on the other hand, by a substantially longitudinal arm extending a common transverse anti-roll bar. This suspension is characterized by the fact that each transverse arm is a folded extension substantially at right angles to the associated longitudinal torsion bar.

La suspension selon le document FR 2 752 545 constitue certes un dispositif simple, léger et peu coûteux, cependant, elle nécessite malgré tout un nombre relativement important de pièces constitutives. The suspension according to document FR 2 752 545 certainly constitutes a simple, light and inexpensive device, however, it still requires a relatively large number of component parts.

Un but de la présente invention est de proposer une suspension pour train de roues de structure plus économique et plus simple que les dispositifs de suspension du type de l'art antérieur relevé ci-dessus. An object of the present invention is to provide a suspension for a train of wheels with a more economical and simpler structure than the suspension devices of the type of the prior art noted above.

Ce but est atteint par le fait que, dans la suspension pour train de roues de véhicule, du type dans lequel chacune des deux roues est portée par l'intermédiaire d'une fusée par un porte-moyeu, le porte-moyeu étant relié à la structure du véhicule par l'intermédiaire, d'une part d'un bras sensiblement longitudinal, et d'autre part par un bras sensiblement transversal, la suspension comportant des moyens anti-dévers et des moyens ressort; les moyens anti-dévers, les moyens ressort, les deux barres longitudinales et les deux barres transversales sont formés par une unique barre comportant une pluralité de coudes. This object is achieved by the fact that, in the suspension for a vehicle wheel train, of the type in which each of the two wheels is carried by means of a spindle by a hub carrier, the hub carrier being connected to the structure of the vehicle via, on the one hand a substantially longitudinal arm, and on the other hand by a substantially transverse arm, the suspension comprising anti-tilt means and spring means; the anti-tilt means, the spring means, the two longitudinal bars and the two transverse bars are formed by a single bar comprising a plurality of elbows.

Selon une autre particularité la barre coudée décrit deux parties sensiblement symétriques par rapport à un plan vertical perpendiculaire aux axes des fusées. According to another particular feature, the bent bar describes two parts that are substantially symmetrical with respect to a vertical plane perpendicular to the axes of the rockets.

Selon une autre particularité chacune des deux parties symétriques comporte une portion transversale sensiblement parallèle aux axes des fusées, chaque portion transversale 5 se prolongeant, après un premier coude, par le bras longitudinal, l'extrémité du bras longitudinal se prolongeant, après un second coude, par le bras sensiblement transversal correspondant. According to another particular feature, each of the two symmetrical parts comprises a transverse portion substantially parallel to the axes of the rockets, each transverse portion 5 extending, after a first bend, by the longitudinal arm, the end of the longitudinal arm extending, after a second bend , by the corresponding substantially transverse arm.

Selon une autre particularité les deux extrémités de chaque portion transversale sont rendues solidaires chacune de la structure du véhicule, une première extrémité étant maintenue fixe dans un premier moyen de liaison, la seconde extrémité étant maintenue dans un second moyen de liaison du type pallier, autorisant une légère rotation de la barre autour de son axe lors d'un effort de torsion. According to another particular feature, the two ends of each transverse portion are each made integral with the structure of the vehicle, a first end being held fixed in a first connection means, the second end being held in a second connection means of the landing type, allowing a slight rotation of the bar around its axis during a torsional force.

Selon une autre particularité les premières extrémités des deux portions transversales constituent respectivement les deux extrémités de la barre coudée, chacun des deux premiers moyens de liaison accueillant la première extrémité de l'une des portions transversales et la seconde extrémité de l'autre portion transversale. According to another particular feature, the first ends of the two transverse portions respectively constitute the two ends of the bent bar, each of the first two connecting means receiving the first end of one of the transverse portions and the second end of the other transverse portion.

Selon une autre particularité le premier coude fait un angle sensiblement égal à 90 degrés, et le second coude un angle d'environ 45 degrés. According to another particular feature, the first elbow makes an angle substantially equal to 90 degrees, and the second elbow an angle of approximately 45 degrees.

Selon une autre particularité la portion de la barre formant la transition entre un bras longitudinal et le bras transversal correspondant est rendu solidaire du porte-moyeu associé. Selon une autre particularité le bras longitudinal et son bras transversal associé sont fixés au porte-moyeu correspondant. According to another particular feature, the portion of the bar forming the transition between a longitudinal arm and the corresponding transverse arm is made integral with the associated hub carrier. According to another particular feature, the longitudinal arm and its associated transverse arm are fixed to the corresponding hub holder.

Selon une autre particularité l'un des bras transversaux est le prolongement replié sensiblement à 90 degrés de l'une des extrémités de l'autre bras transversal. According to another particular feature, one of the transverse arms is the extension folded substantially at 90 degrees from one of the ends of the other transverse arm.

Selon une autre particularité la portion de la barre constituant la transition entre les deux bras transversaux est rendue solidaire de la structure du véhicule par un moyen de liaison du type pallier, autorisant une légère rotation de la barre au niveau de son point de liaison, autour d'un axe sensiblement parallèle aux axes fusées. According to another particular feature, the portion of the bar constituting the transition between the two transverse arms is made integral with the structure of the vehicle by a connecting means of the landing type, allowing a slight rotation of the bar at its connection point, around an axis substantially parallel to the rocket axes.

D'autres particularités et avantages apparaîtront à la lecture de la description ci-après, faite en référence aux figures dans lesquelles - la figure 1 représente une vue partielle, schématique et en perspective, d'une suspension conforme à l'invention, - la figure 2 représente une vue en coupe longitudinale d'un pallier de maintien de la barre coudée constituant la suspension de la figure 1, - la figure 3 représente une vue en coupe, selon un plan vertical et parallèle aux axes des fusées, d'un détail de la suspension de la figure 1, illustrant la liaison de la barre coudée à un porte-moyeu, - la figure 4 représente une vue d'un détail de la suspension de la figure 1, illustrant la liaison des bras transversaux sur la structure du véhicule, - la figure 5 représente une vue en coupe longitudinale d'une variante de réalisation d'un pallier de maintien de la barre coudée de la figure 1. Other features and advantages will appear on reading the description below, made with reference to the figures in which - Figure 1 shows a partial, schematic and perspective view of a suspension according to the invention, - the 2 shows a view in longitudinal section of a bearing for holding the bent bar constituting the suspension of FIG. 1, FIG. 3 represents a view in section, along a vertical plane and parallel to the axes of the rockets, of a detail of the suspension in FIG. 1, illustrating the connection of the bent bar to a hub carrier, - FIG. 4 represents a view of a detail of the suspension in FIG. 1, illustrating the connection of the transverse arms to the structure of the vehicle, - Figure 5 shows a longitudinal sectional view of an alternative embodiment of a bearing for maintaining the bent bar of Figure 1.

La suspension représentée à la figure 1 comporte classiquement un porte-moyeu 2 associé à chaque roue (non représentées) au moyen d'une fusée 1, et un amortisseur 3 sensiblement vertical reliant le châssis du véhicule (non représenté) au porte-moyeu 2. La suspension est du type dans laquelle le porte-moyeu 2 est relié à la structure du véhicule par l'intermédiaire, d'une part d'un bras sensiblement longitudinal 4 relié à des moyens anti-dévers et, d'autre part, par un bras sensiblement transversal 6. The suspension shown in FIG. 1 conventionally comprises a hub carrier 2 associated with each wheel (not shown) by means of a rocket 1, and a substantially vertical damper 3 connecting the chassis of the vehicle (not shown) to the hub carrier 2 The suspension is of the type in which the hub carrier 2 is connected to the structure of the vehicle via, on the one hand, a substantially longitudinal arm 4 connected to anti-tilt means and, on the other hand, by a substantially transverse arm 6.

Selon l'invention, les moyens anti-dévers, les deux barres longitudinales 4 et les deux barres transversales 6 sont formés par une unique barre comportant une pluralité de coudes 7, 8, 9. La barre coudée peut être constituée, par exemple, d'acier du type de celui utilisé pour former des ressorts. According to the invention, the anti-tilt means, the two longitudinal bars 4 and the two transverse bars 6 are formed by a single bar comprising a plurality of bends 7, 8, 9. The bent bar can be constituted, for example, by steel of the type used to form springs.

Comme représenté à la figure 1, la barre coudée peut décrire deux parties sensiblement symétriques par rapport à un plan vertical perpendiculaire aux axes des fusées 1. Par soucis de simplification, les éléments identiques de chacune des deux parties symétriques sont désignés par les même références numériques. As shown in FIG. 1, the bent bar can describe two parts which are substantially symmetrical with respect to a vertical plane perpendicular to the axes of the rockets 1. For the sake of simplification, the identical elements of each of the two symmetrical parts are designated by the same reference numerals .

En particulier, chacune des deux parties symétriques peut comporter une portion 5 dite transversale qui est sensiblement parallèle aux axes des fusées 1. La portion transversale 5 se prolonge, après un premier coude 7 faisant un angle de l'ordre par exemple de 90 degrés, par le bras longitudinal 4. L'extrémité du bras longitudinal 4 se prolonge, après un second coude 8 faisant un angle de l'ordre par exemple de 45 degrés, par le bras sensiblement transversal 6 associé. In particular, each of the two symmetrical parts may comprise a so-called transverse portion 5 which is substantially parallel to the axes of the rockets 1. The transverse portion 5 is extended, after a first bend 7 making an angle of the order of, for example, 90 degrees, by the longitudinal arm 4. The end of the longitudinal arm 4 is extended, after a second bend 8 making an angle of the order of, for example, 45 degrees, by the associated substantially transverse arm 6.

Les deux extrémités de chaque portion transversale 5 sont rendues solidaires chacune de la structure du véhicule. Une première extrémité 13, qui constitue une des extrémité de la barre coudée, est maintenue fixe en rotation et en translation dans un premier moyen de liaison 15. Le premier moyen de liaison peut être constitué d'un palier 15 comportant un orifice cannelé apte à accueillir une portion cannelée complémentaire formée à l'extrémité 13 de la barre coudée. Ainsi, le trou cannelé constitue un palier anti-rotation pour l'extrémité 13 de la portion transversale 5 de la barre. Le palier 15 peut comporter deux pattes situées respectivement de part et d'autre du logement cannelé et pourvues chacune d'un trou 18, 19 pour une vis de fixation sur la caisse du véhicule (figure 2). The two ends of each transverse portion 5 are each made integral with the structure of the vehicle. A first end 13, which constitutes one end of the bent bar, is kept fixed in rotation and in translation in a first connection means 15. The first connection means can consist of a bearing 15 comprising a grooved orifice capable of accommodate a complementary fluted portion formed at the end 13 of the bent bar. Thus, the grooved hole constitutes an anti-rotation bearing for the end 13 of the transverse portion 5 of the bar. The bearing 15 may comprise two lugs situated respectively on either side of the grooved housing and each provided with a hole 18, 19 for a fixing screw on the vehicle body (FIG. 2).

La seconde extrémité 14 de la portion transversale 5 est maintenue dans un second moyen de liaison 16 du type pallier, autorisant une rotation de la barre autour de son axe lors d'un effort de torsion. Le second moyen de liaison peut être constitué d'une pièce 16 sensiblement identique au premier palier 15 décrit ci-dessus. La seconde extrémité 14 de la portion transversale 5 est disposée dans un orifice lisse du second palier 16. Ainsi, le trou lisse du second palier 16 guide la barre dans la direction de son axe tout en laissant cette dernière libre en rotation autour de ce même axe. Les première 13 et seconde 14 extrémités de l'autre portion transversale 5 de la barre coudée sont fixées de la même façon sur la caisse du véhicule au moyen de paliers. The second end 14 of the transverse portion 5 is held in a second connecting means 16 of the landing type, allowing rotation of the bar around its axis during a torsional force. The second connecting means may consist of a part 16 substantially identical to the first bearing 15 described above. The second end 14 of the transverse portion 5 is disposed in a smooth orifice of the second bearing 16. Thus, the smooth hole of the second bearing 16 guides the bar in the direction of its axis while leaving the latter free to rotate around the same axis. The first 13 and second 14 ends of the other transverse portion 5 of the bent bar are fixed in the same way on the vehicle body by means of bearings.

Avantageusement, chaque premier moyen de liaison, qui accueille la première extrémité 13 de l'une des portions transversales 5, peut être conformé pour accueillir la seconde extrémité 14 de l'autre portion transversales 5. C'est-à-dire que chacun des paliers 15, 16 comporte un trou cannelé pour la première extrémité 13 d'une portion transversales 5, et un trou lisse pour la seconde extrémité 14 de l'autre portion transversale 5. Advantageously, each first connecting means, which receives the first end 13 of one of the transverse portions 5, can be shaped to accommodate the second end 14 of the other transverse portion 5. That is to say that each of the bearings 15, 16 comprises a grooved hole for the first end 13 of a transverse portion 5, and a smooth hole for the second end 14 of the other transverse portion 5.

Les trous cannelés et les trous lisses peuvent être disposés symétriquement d'un palier 15 à l'autre 16 par rapport à un plan vertical perpendiculaire aux axes des fusées 1. C'est-à-dire que les deux portions transversales 5 ne sont pas parallèles mais se croisent légèrement. The grooved holes and the smooth holes can be arranged symmetrically from one bearing 15 to the other 16 with respect to a vertical plane perpendicular to the axes of the rockets 1. That is to say that the two transverse portions 5 are not parallel but slightly cross.

Le coude 8 de la barre formé entre un bras longitudinal 4 et le bras transversal 6 associé est rendu solidaire du porte- moyeu 2 correspondant. Comme représenté à la figure 3, le porte-moyeu 2 peut être constitué d'un profilé métallique repliée en forme générale de S retourné d'un quart de tour. L'amortisseur 3 peut-être fixé entre deux flancs plans, adjacents et sensiblement parallèles du S décrit par le porte moyeu 2. La fusée 1 peut être fixée quant à elle sur le troisième flanc plan formé par le S, c'est-à-dire sur le flanc tourné vers l'extérieur du véhicule. The elbow 8 of the bar formed between a longitudinal arm 4 and the associated transverse arm 6 is made integral with the corresponding hub holder 2. As shown in Figure 3, the hub holder 2 can be made of a metal profile folded in the general shape of S returned by a quarter turn. The damper 3 can be fixed between two planar, adjacent and substantially parallel flanks of the S described by the hub carrier 2. The rocket 1 can be fixed on the third plane flank formed by the S, ie - say on the side facing the outside of the vehicle.

Les parties du bras longitudinal 4 et du bras transversal 6 associé qui sont situées au niveau du coude 8 peuvent être fixés au porte-moyeu 2 par soudage ou tout autre moyen équivalent. Par exemple, le bras longitudinale 4 et le bras transversal peuvent être soudée sur la partie inférieure du porte-moyeu 2. The parts of the longitudinal arm 4 and of the associated transverse arm 6 which are located at the elbow 8 can be fixed to the hub carrier 2 by welding or any other equivalent means. For example, the longitudinal arm 4 and the transverse arm can be welded to the lower part of the hub carrier 2.

Comme représenté à la figure 3, le bras transversal 6 peut comporter une forme aplatie ou toute autre forme équivalente, de façon à augmenter la surface de soudage du bras 6 sur le porte-moyeu 2. Bien entendu, le bras longitudinal 4 peut également être conformé de manière à améliorer son soudage sur le porte-moyeu 2. As shown in FIG. 3, the transverse arm 6 can have a flattened shape or any other equivalent shape, so as to increase the welding surface of the arm 6 on the hub carrier 2. Of course, the longitudinal arm 4 can also be shaped so as to improve its welding on the hub holder 2.

De préférence, l'un des bras transversaux 6 est le prolongement replié sensiblement à 90 degrés de l'une des extrémités de l'autre bras transversal 6 (figure 1). Le troisième coude 9 de la barre constituant la transition entre les deux bras transversaux 6 est rendu solidaire de la structure du véhicule. Le moyen de liaison 10, 11, 12 de ce troisième coude 9 sur la structure est conformé pour autoriser une légère rotation de la barre au niveau de son point de liaison, autour d'un axe sensiblement parallèle aux axes des fusées 1. Preferably, one of the transverse arms 6 is the extension folded substantially at 90 degrees from one of the ends of the other transverse arm 6 (FIG. 1). The third bend 9 of the bar constituting the transition between the two transverse arms 6 is made integral with the structure of the vehicle. The connecting means 10, 11, 12 of this third bend 9 on the structure is shaped to allow a slight rotation of the bar at its connection point, around an axis substantially parallel to the axes of the rockets 1.

Par exemple, une patte de fixation 12 peut être rendue solidaire de la barre au niveau du troisième coude 9, par soudage ou tout autre moyen (figure 4). La patte de fixation 12 comporte un trou prévu pour le passage d'une vis d'un ensemble 11 vis et écrou. La patte 12 est prévue pour être fixée entre les deux flancs parallèles d'une pièce métallique 11 en forme de U. A cet effet, les deux flancs de la pièce support 11 en U comportent chacun un trou de passage pour la vis. Par ailleurs, des moyens d'amortissement, tel qu'un ou plusieurs blocs 19 de caoutchouc comprimé du type SILENTBLOC, peuvent être disposé dans et/ou de part et d'autre de l'orifice de la patte 12. C'est-à-dire que, la vis peut traverser le ou les blocs de caoutchouc qui assurent un amortissement entre la chape 11 et la patte 12. Le support 11 en U peut être fixé par soudage ou tout autre moyen connu sur la structure du véhicule. For example, a fixing lug 12 can be made integral with the bar at the third elbow 9, by welding or any other means (FIG. 4). The fixing lug 12 has a hole provided for the passage of a screw of a set 11 screws and nut. The tab 12 is designed to be fixed between the two parallel sides of a metal part 11 in the form of a U. To this end, the two sides of the support part 11 in a U each have a passage hole for the screw. Furthermore, damping means, such as one or more blocks 19 of compressed rubber of the SILENTBLOC type, can be arranged in and / or on either side of the orifice of the tab 12. This is that is, the screw can pass through the rubber block or blocks which provide damping between the yoke 11 and the tab 12. The U-shaped support 11 can be fixed by welding or any other known means on the structure of the vehicle.

On conçoit donc que la suspension selon l'invention présente une structure très simple et peu coûteuse, en raison notamment du nombre peu important de pièces différentes qui la constituent. It is therefore understandable that the suspension according to the invention has a very simple and inexpensive structure, in particular because of the small number of different parts which constitute it.

On comprend aisément que du fait que les portions transversales 5 peuvent pivoter autour de leurs axes respectifs, chaque triangle constitué par un bras longitudinal et le bras transversal associé peut avoir un mouvement de débattement dans un plan sensiblement vertical. L'unique barre coudée assure donc les fonctions de barre de torsion, de barre anti-dévers, de ressort de suspension et de bras de suspension. It is easily understood that, because the transverse portions 5 can pivot around their respective axes, each triangle constituted by a longitudinal arm and the associated transverse arm can have a movement of movement in a substantially vertical plane. The single bent bar therefore performs the functions of torsion bar, anti-roll bar, suspension spring and suspension arm.

Cette suspension est particulièrement adaptée au trains de roues arrières de véhicules automobiles légers. Dans ce cas, les portions 5 transversales de la barre coudée sont orientées vers l'avant du véhicule, tandis que les seconds coudes 8 sont tournés vers l'arrière du véhicule. Cependant, on peut également envisager l'application de ce type de suspension pour un train de roues avant. This suspension is particularly suitable for the rear wheel sets of light motor vehicles. In this case, the transverse portions 5 of the bent bar are oriented towards the front of the vehicle, while the second elbows 8 are turned towards the rear of the vehicle. However, one can also consider the application of this type of suspension for a front wheel train.

De préférence, la suspension est montée dans un plan sensiblement horizontal, situé entre les fusées 1 de support des roues et le châssis du véhicule. Preferably, the suspension is mounted in a substantially horizontal plane, situated between the rockets 1 for supporting the wheels and the chassis of the vehicle.

Par ailleurs, l'invention ne saurait se limiter à l'exemple de réalisation décrit ci-dessus. Ainsi, par exemple, la figure 5 illustre une variante de réalisation du palier assurant la liaison de la portion transversale 5 de la barre à la structure du véhicule. Le palier 25 de la figure 5 se distingue de ceux des figures 1 et 2 par le fait qu'il ne comporte qu'un seul trou de guidage de la barre. Les autres éléments, qui sont identiques à ceux décrits ci-dessus, sont désignés par les même références numériques. Furthermore, the invention cannot be limited to the embodiment described above. Thus, for example, FIG. 5 illustrates an alternative embodiment of the bearing ensuring the connection of the transverse portion 5 of the bar to the structure of the vehicle. The bearing 25 of Figure 5 differs from those of Figures 1 and 2 in that it has only one guide hole of the bar. The other elements, which are identical to those described above, are designated by the same reference numerals.

L'unique trou est cannelé et est prévu pour accueillir la première extrémité 13 de la portion transversale 5 de la barre coudée. Le second logement lisse du palier 25 est formé quant à lui par une concavité de la surface extérieure du palier 25, et une pièce de maintien 17 rapportée sur le palier 25. C'est-à- dire que la seconde extrémité 14 de l'autre portion transversale 5 est guidée entre un flanc concave du palier 25 et une pièce 17 de maintien. La pièce 17 de maintien, qui est par exemple métallique, peut avoir sensiblement la forme d'un S. L'une des extrémité de la pièce de maintien 17 est fixée sur le palier 25, par exemple par soudage. L'autre extrémité de la pièce de maintien 17 peut comporter un orifice qui vient coïncider avec un 18 des trous 18, 19 de passage d'une vis de fixation du palier 25 sur la structure. The single hole is grooved and is intended to accommodate the first end 13 of the transverse portion 5 of the bent bar. The second smooth housing of the bearing 25 is formed in turn by a concavity of the outer surface of the bearing 25, and a holding part 17 attached to the bearing 25. That is to say that the second end 14 of the another transverse portion 5 is guided between a concave flank of the bearing 25 and a holding part 17. The retaining part 17, which is for example metallic, may have substantially the shape of an S. One of the ends of the retaining part 17 is fixed to the bearing 25, for example by welding. The other end of the retaining part 17 may include an orifice which coincides with one of the holes 18, 19 for the passage of a bearing fixing screw 25 on the structure.

Ainsi, bien que l'invention ait été décrite en liaison avec des modes de réalisation particuliers, elle comprend tous les équivalents techniques des moyens décrits.Thus, although the invention has been described in connection with particular embodiments, it includes all the technical equivalents of the means described.

Claims (10)

<B><U>REVENDICATIONS</U></B><B><U>REVENDICATIONS</U> </B> 1. Suspension pour train de roues de véhicule, du type dans lequel chacune des deux roues est portée par l'intermédiaire d'une fusée (1) par un porte-moyeu (2), le porte-moyeu (2) étant relié à la structure du véhicule par l'intermédiaire, d'une part d'un bras sensiblement longitudinal (4), et d'autre part par un bras sensiblement transversal (6), la suspension comportant des moyens anti-dévers et des moyens ressort, caractérisé en ce que les moyens anti-dévers (6), les moyens ressort (5), les deux barres longitudinales (4) et les deux barres transversales (6) sont formés par une unique barre comportant une pluralité de coudes (7, 8, 9).1. Suspension for a vehicle wheel train, of the type in which each of the two wheels is carried by means of a rocket (1) by a hub carrier (2), the hub carrier (2) being connected to the structure of the vehicle via, on the one hand a substantially longitudinal arm (4), and on the other hand by a substantially transverse arm (6), the suspension comprising anti-tilt means and spring means, characterized in that the anti-tilt means (6), the spring means (5), the two longitudinal bars (4) and the two transverse bars (6) are formed by a single bar comprising a plurality of elbows (7, 8 , 9). 2. Suspension pour train de roues de véhicule selon la revendication 1, caractérisé en ce que la barre coudée décrit deux parties sensiblement symétriques par rapport à un plan vertical perpendiculaire aux axes des fusées (1).2. Suspension for a vehicle wheel train according to claim 1, characterized in that the bent bar describes two parts which are substantially symmetrical with respect to a vertical plane perpendicular to the axes of the rockets (1). 3. Suspension pour train de roues de véhicule selon la revendication 2, caractérisé en ce que chacune des deux parties symétriques comporte une portion (5) transversale sensiblement parallèle aux axes des fusées (1), chaque portion transversale 5 se prolongeant, après un premier coude (7), par le bras longitudinal (4), l'extrémité du bras longitudinal (4) se prolongeant, après un second coude (8), par le bras sensiblement transversal (6) correspondant.3. Suspension for a vehicle wheel train according to claim 2, characterized in that each of the two symmetrical parts comprises a transverse portion (5) substantially parallel to the axes of the rockets (1), each transverse portion 5 extending after a first elbow (7), by the longitudinal arm (4), the end of the longitudinal arm (4) extending, after a second elbow (8), by the corresponding substantially transverse arm (6). 4. Suspension pour train de roues de véhicule selon la revendication 3, caractérisé en ce que les deux extrémités de chaque portion transversale (5) sont rendues solidaires chacune de la structure du véhicule, une première extrémité (13) étant maintenue fixe dans un premier moyen de liaison (15), la seconde extrémité (14) étant maintenue dans un second moyen de liaison (16) du type pallier, autorisant une légère rotation de la barre autour de son axe lors d'un effort de torsion.4. Suspension for a vehicle wheel assembly according to claim 3, characterized in that the two ends of each transverse portion (5) are each made integral with the structure of the vehicle, a first end (13) being held fixed in a first connecting means (15), the second end (14) being held in a second connecting means (16) of the landing type, allowing a slight rotation of the bar around its axis during a torsional force. 5. Suspension pour train de roues de véhicule selon la revendication 4, caractérisé en ce que les premières extrémités (13) des deux portions transversales (5) constituent respectivement les deux extrémités de la barre coudée, chacun des deux premiers moyens de liaison (15, 16) accueillant la première extrémité (13) de l'une des portions transversales (5) et la seconde extrémité (14) de l'autre portion transversale (5).5. Suspension for vehicle wheel train according to claim 4, characterized in that the first ends (13) of the two transverse portions (5) respectively constitute the two ends of the bent bar, each of the first two connecting means (15 , 16) receiving the first end (13) of one of the transverse portions (5) and the second end (14) of the other transverse portion (5). 6. Suspension pour train de roues de véhicule selon l'une quelconque des revendications 3 à 5, caractérisé en ce que le premier coude (7) fait un angle sensiblement égal à 90 degrés, et le second coude (8) un angle d'environ 45 degrés.6. Suspension for vehicle wheel train according to any one of claims 3 to 5, characterized in that the first elbow (7) makes an angle substantially equal to 90 degrees, and the second elbow (8) an angle of about 45 degrees. 7. Suspension pour train de roues de véhicule selon l'une quelconque des revendications 3 à 6, caractérisé en ce que la portion (8) de la barre formant la transition entre un bras longitudinal (4) et le bras transversal (6) correspondant est rendu solidaire du porte-moyeu (2) associé.7. Suspension for vehicle wheel train according to any one of claims 3 to 6, characterized in that the portion (8) of the bar forming the transition between a longitudinal arm (4) and the transverse arm (6) corresponding is secured to the associated hub carrier (2). 8. Suspension pour train de roues de véhicule selon la revendication 7, caractérisé en ce que le bras longitudinal (4) et son bras transversal (6) associé sont fixés au porte-moyeu (2) correspondant.8. Suspension for a vehicle wheel train according to claim 7, characterized in that the longitudinal arm (4) and its associated transverse arm (6) are fixed to the corresponding hub carrier (2). 9. Suspension pour train de roues de véhicule selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'un des bras transversaux (6) est le prolongement replié sensiblement à 90 degrés de l'une des extrémités de l'autre bras transversal (6).9. Suspension for a vehicle wheel train according to any one of claims 1 to 8, characterized in that one of the transverse arms (6) is the extension folded substantially at 90 degrees from one of the ends of the another transverse arm (6). 10. Suspension pour train de roues de véhicule selon la revendication 9, caractérisé en ce que la portion (9) de la barre constituant la transition entre les deux bras transversaux (6) est rendue solidaire de la structure du véhicule par un moyen de liaison (10, 11, 12) du type pallier, autorisant une légère rotation de la barre au niveau de son point de liaison, autour d'un axe sensiblement parallèle aux axes fusées (1).10. Suspension for vehicle wheel train according to claim 9, characterized in that the portion (9) of the bar constituting the transition between the two transverse arms (6) is made integral with the vehicle structure by a connecting means (10, 11, 12) of the landing type, allowing a slight rotation of the bar at its connection point, around an axis substantially parallel to the rocket axes (1).
FR9907294A 1999-06-10 1999-06-10 Suspension, for vehicle axles, has single length of bar formed, with bends, into sections to form various functions, spring sections, anti-roll sections and longitudinal sections. Pending FR2794689A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9907294A FR2794689A1 (en) 1999-06-10 1999-06-10 Suspension, for vehicle axles, has single length of bar formed, with bends, into sections to form various functions, spring sections, anti-roll sections and longitudinal sections.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9907294A FR2794689A1 (en) 1999-06-10 1999-06-10 Suspension, for vehicle axles, has single length of bar formed, with bends, into sections to form various functions, spring sections, anti-roll sections and longitudinal sections.

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FR9907294A Pending FR2794689A1 (en) 1999-06-10 1999-06-10 Suspension, for vehicle axles, has single length of bar formed, with bends, into sections to form various functions, spring sections, anti-roll sections and longitudinal sections.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2843086A1 (en) * 2002-08-05 2004-02-06 Auto Chassis Int Method for manufacturing automobile composite part comprises separately making different functional elements and wire connecting elements and rigidly connecting functional elements with wire elements
EP1679209A1 (en) * 2005-01-10 2006-07-12 Renault S.A.S. Mounting device for stabiliser bars
EP2311670A1 (en) * 2009-10-15 2011-04-20 Ford Global Technologies, LLC Suspension system

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Publication number Priority date Publication date Assignee Title
US3116071A (en) * 1958-10-18 1963-12-31 Daimler Benz Ag Axle suspension for vehicles, especially motor vehicles
US4022494A (en) * 1975-07-07 1977-05-10 Ford Motor Company Motor vehicle rear suspension system
GB2010759A (en) * 1977-12-23 1979-07-04 Ford Motor Co Torsion bar for a vehicle suspensions
FR2702709A1 (en) * 1993-03-17 1994-09-23 Peugeot Motor vehicle rear axle assembly of the type with trailing arms
FR2752545A1 (en) 1996-08-22 1998-02-27 Peugeot Suspension unit for wheel axle, particularly for vehicles

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3116071A (en) * 1958-10-18 1963-12-31 Daimler Benz Ag Axle suspension for vehicles, especially motor vehicles
US4022494A (en) * 1975-07-07 1977-05-10 Ford Motor Company Motor vehicle rear suspension system
GB2010759A (en) * 1977-12-23 1979-07-04 Ford Motor Co Torsion bar for a vehicle suspensions
FR2702709A1 (en) * 1993-03-17 1994-09-23 Peugeot Motor vehicle rear axle assembly of the type with trailing arms
FR2752545A1 (en) 1996-08-22 1998-02-27 Peugeot Suspension unit for wheel axle, particularly for vehicles

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2843086A1 (en) * 2002-08-05 2004-02-06 Auto Chassis Int Method for manufacturing automobile composite part comprises separately making different functional elements and wire connecting elements and rigidly connecting functional elements with wire elements
EP1679209A1 (en) * 2005-01-10 2006-07-12 Renault S.A.S. Mounting device for stabiliser bars
FR2880586A1 (en) * 2005-01-10 2006-07-14 Renault Sas SUSPENSION DEVICE FOR TORSION BAR
EP2311670A1 (en) * 2009-10-15 2011-04-20 Ford Global Technologies, LLC Suspension system

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