FR2519588A1 - MACPHERSON-TYPE SUSPENSION LEG FOR DRIVEN STEERING WHEEL OF MOTOR VEHICLES - Google Patents
MACPHERSON-TYPE SUSPENSION LEG FOR DRIVEN STEERING WHEEL OF MOTOR VEHICLES Download PDFInfo
- Publication number
- FR2519588A1 FR2519588A1 FR8300349A FR8300349A FR2519588A1 FR 2519588 A1 FR2519588 A1 FR 2519588A1 FR 8300349 A FR8300349 A FR 8300349A FR 8300349 A FR8300349 A FR 8300349A FR 2519588 A1 FR2519588 A1 FR 2519588A1
- Authority
- FR
- France
- Prior art keywords
- wall
- upper wall
- side wall
- macpherson
- lower wall
- 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
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 5
- 239000006096 absorbing agent Substances 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
- B60G13/005—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit
- B60G13/006—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit on the stub 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
- B60G2204/10—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
- 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
- B60G2206/722—Plates
-
- 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
- B60G2206/80—Manufacturing procedures
- B60G2206/81—Shaping
- B60G2206/8103—Shaping by folding or bending
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
Description
La présente invention a trait à une jambe de suspension du type MacPherson pour roue menée directrice de véhicules à moteur, du type comprenant un montant métallique tubulaire, un bras de direction et un dlément support de roue en acier embouti qui comprend, entre autres, une paroi supérieure à laquelle est fixée une partie inférieure du montant, une paroi inférieure, une paroi latérale servant de bride de fixation à un roulement, et deux joues opposées, chacune d'elle étant reliée en sa partie supérieure à la paroi supérieure, en sa partie inférieure à la paroi inférieure, et latéralement à la paroi latérale. The present invention relates to a suspension strut of the MacPherson type for a steered driving wheel for motor vehicles, of the type comprising a tubular metal upright, a steering arm and a stamped steel wheel support element which comprises, inter alia, a upper wall to which is fixed a lower part of the upright, a lower wall, a side wall serving as a fixing flange to a bearing, and two opposite cheeks, each of them being connected in its upper part to the upper wall, in its lower part to the lower wall, and laterally to the side wall.
Dans toute la description qui suit comme dans les revendications, les termes "supérieur", "inférieur", 'horizontal", "vertical", et autres termes du même type s'entendent comme faisant référence à un arrangement de la jambe de suspension une fois installée dans un.véhicule. Throughout the following description, as in the claims, the terms "upper", "lower", 'horizontal', 'vertical', and the like are understood to refer to an arrangement of the suspension strut. when installed in a vehicle.
Des supports de ce type font par exemple l'objet de la demande de brevet français nO 79 17346. Supports of this type are for example the subject of French patent application No. 79 17346.
Lorsque des jambes de ce type sont utilisées dans la suspension de roues menées directrices, il convient de les équiper d'un bras de direction pour l'articulation à une tige de liaison au système de direction. La position du bras, ou plus particu lièrement son point d'articulation, est régie par la géométrie du système de direction, laquelle varie d'un véhicule à l'autre. When legs of this type are used in the suspension of steered driven wheels, they should be fitted with a steering arm for articulation with a rod connecting to the steering system. The position of the arm, or more particularly its point of articulation, is governed by the geometry of the steering system, which varies from vehicle to vehicle.
Si la géométrie est telle que le point de l'articulation se trouve au niveau de la partie inférieure du montant tubulaire, il convient de fixer le bras au montant lui-même. Cependant, si le point d'articulation se trouve plus bas que cela,. par exemple au niveau de l'axe de la roue, un bras de direction fixé au montant tubulaire aurait plus ou moins une forme en "S" avec une partie fixée au montant, une partie descendante et une arti -culation horizontale de raccordement. Un bras de ce type serait si long que, de façon à le rendre rigide, il faudrait lui donner un poids considérable alors que, comme on le sait, il est souhaitable de réduire autant que possible le poids de la masse non suspendue d'une suspension.If the geometry is such that the point of the articulation is at the level of the lower part of the tubular upright, the arm should be fixed to the upright itself. However, if the articulation point is lower than that ,. for example at the axis of the wheel, a steering arm fixed to the tubular upright would more or less have an "S" shape with a part fixed to the upright, a descending part and a horizontal articulation connection. An arm of this type would be so long that, in order to make it rigid, it would have to be given considerable weight when, as we know, it is desirable to reduce the weight of the unsprung mass as much as possible. suspension.
Par ailleurs, la fixation d'un bras de direction à l'une des joues de l'élément support de roue n'est pas une solution pratique du fait de la rigidité limitée de ces joues. Il n'est pas non plus pratique de former un bras ayant une partie se prolongeant dans l'élément support de roue entre une joue et l'autre, du fait que l'espace dans l'élément support de roue d'une suspension de roue menée directrice est occupé par une partie du joint homo-cinétique pour le raccordement de la roue à son arbre de transmission. Furthermore, the attachment of a steering arm to one of the cheeks of the wheel support element is not a practical solution due to the limited rigidity of these cheeks. It is also not practical to form an arm having a part extending in the wheel support element between one cheek and the other, because the space in the wheel support element of a suspension of the steered driven wheel is occupied by part of the homo-kinetic joint for the connection of the wheel to its drive shaft.
Le problème qui a servi de point de départ à la présente invention a été la mise au point d'une jambe de suspension du type mentionné ci-dessus, ayant un bras de direction situé sensiblement au niveau de l'axe de la roue et formé d'une structure simple et économique. The problem which has served as a starting point for the present invention has been the development of a suspension strut of the type mentioned above, having a steering arm located substantially at the axis of the wheel and formed of a simple and economical structure.
Conformément à la présente invention, cet objet est atteint au moyen d'une jambe de suspension du type mentionné ci-desgus, caractérisée par le fait que l'une des joues est étirée de façon à former un élément de forme aplatie agissant comme bras de direction, cet élément de forme aplatie ayant généralement une section en C. According to the present invention, this object is achieved by means of a suspension leg of the type mentioned above, characterized in that one of the cheeks is stretched so as to form a flattened element acting as an arm of direction, this flattened element generally having a section in C.
Cette solution permet de réaliser l'élément support de roue de façon économique, d'une seule pièce, par emboutissage, le bras de direction étant situé au niveau désiré. L'espace dans l'élément n'est pas occupé par des pièces risquant d'inter férer avec le joint homo-cinétique. This solution makes it possible to produce the wheel support element economically, in one piece, by stamping, the steering arm being located at the desired level. The space in the element is not occupied by parts likely to interfere with the homo-kinetic joint.
L'invention sera mieux comprise à la lecture de la description détaillée, d'un mode de réalisation particulier, faite à titre d'exemple non limitatif, en se reportant aux figures annexées qui représentent
- la figure 1, une vue en perspective d'une jambe de suspension conforme à l'invention ;
- la figure 2, une vue latérale en élévation
- la figure 3, une coupe verticale prise dans le plan indiqué par la ligne III-III de la figure 2
- la figure 4, une coupe horizontale prise dans le plan indiqué par la ligne IV-IV de la figure 2, et
- la figure 5, une autre coupe verticale à une échelle agrandie, prise dans. le plan indiqué par la ligne V-V de la figure 2.The invention will be better understood on reading the detailed description of a particular embodiment, given by way of nonlimiting example, with reference to the appended figures which represent
- Figure 1, a perspective view of a suspension strut according to the invention;
- Figure 2, a side elevational view
- Figure 3, a vertical section taken in the plane indicated by line III-III of Figure 2
FIG. 4, a horizontal section taken in the plane indicated by line IV-IV of FIG. 2, and
- Figure 5, another vertical section on an enlarged scale, taken in. the plane indicated by line VV in Figure 2.
Si l'on se réfère aux figures 1 à 4, une jambe de suspension du type MacPherson pour une roue menée directrice d'un véhicule à moteur comprend un montant métallique tubulaire 10, qui constitue le cylindre d'un amortisseur hydraulique télescopique, généralement du type à deux tubes. Le montant 10 inclut une-partie inférieure 12 de plus petit.diamètre. Un élément support de roue, généralement indiqué en 14, est associé à cette partie inférieure 12. Referring to FIGS. 1 to 4, a MacPherson type suspension strut for a steered driving wheel of a motor vehicle comprises a tubular metallic upright 10, which constitutes the cylinder of a telescopic hydraulic shock absorber, generally of the two-pipe type. The upright 10 includes a lower portion 12 of smaller diameter. A wheel support element, generally indicated at 14, is associated with this lower part 12.
L'élément support de roue 14 est une pièce de tale forte emboutie qui comprend une paroi supérieure 16, une paroi inférieure 18, une paroi latérale 20 et deux joues opposées 22 et 24. Chacune de ces deux joues est reliée en sa partie supérieure à la paroi supérieure 16, en sa partie inférieure à la paroi inférieure 18 et latéralement à la paroi latérale 20. The wheel support element 14 is a deep-drawn piece of plate which includes an upper wall 16, a lower wall 18, a side wall 20 and two opposite cheeks 22 and 24. Each of these two cheeks is connected in its upper part to the upper wall 16, in its lower part to the lower wall 18 and laterally to the side wall 20.
La paroi latérale 20 est plate et agit comme une bride de fixation pour un roulement B représenté par un tracé discontinu, séparé de la paroi 20. Cette dernière a une large ouverture centrale circulaire 26 pour la fusée de la roue, et des trous 28 pour la fixation d'une bride F du roulement B au moyen des vis S. La bride F a également une paire de pattes E pour la fixation de l'étrier d'un frein à disque.. The side wall 20 is flat and acts as a fixing flange for a bearing B represented by a discontinuous line, separated from the wall 20. The latter has a large circular central opening 26 for the spindle of the wheel, and holes 28 for fixing a flange F of the bearing B by means of screws S. The flange F also has a pair of lugs E for fixing the caliper of a disc brake.
A la paroi supérieure 16 est soudé un manchon conique 30 réalisé en tale forte, qui se termine, en sa partie supérieure, par une bague 32 dans laquelle est ménagée une entaille longitudinale (non représentée). To the upper wall 16 is welded a conical sleeve 30 made of a strong sheet, which ends, in its upper part, by a ring 32 in which is formed a longitudinal notch (not shown).
La partie inférieure 12 du montant tubulaire 10 est introduite dans la bague 32 et dans une ouverture circulaire à bord 34 de la parti supérieure.16. The lower part 12 of the tubular upright 10 is introduced into the ring 32 and into a circular opening on board 34 of the upper part. 16.
Un collier de serrage 35, avec un boulon de serrage 36, entoure la bague 32 en la serrant, grâce à la possibilité de resserement offerte par la fente, autour de la partie inférieure 12 du montant 10, afin de bien fixer ce dernier à l'élément support de roue 14. A clamp 35, with a clamping bolt 36, surrounds the ring 32 by tightening it, thanks to the possibility of tightening offered by the slot, around the lower part 12 of the upright 10, in order to securely fix the latter to the wheel support element 14.
Un épaulement 38, qui délimite l'extrémité supérieure de la partie inférieure 12, appuie sur le bord supérieur de la bague 32 afin d'éviter que le montant 10 s'enfonce dans l'élément support de roue 14. A shoulder 38, which delimits the upper end of the lower part 12, presses on the upper edge of the ring 32 in order to prevent the upright 10 from sinking into the wheel support element 14.
La paroi inférieure 18 possède une ouverture circulaire à rebord 40 pour le montage d'une rotule (non représentée) pour le raccordement inférieur de la jambe au reste de la suspension. The lower wall 18 has a circular opening with a rim 40 for mounting a ball joint (not shown) for the lower connection of the leg to the rest of the suspension.
La joue 24 est définie par une portion de paroi supérieu re 42, une portion de paroi inférieure 44, et une portion de paroi latérale 46. Les deux portions de parois 42 et 44 convergent l'une vers l'autre à l'extérieur de l'élément support de roue 14, à partir de la paroi supérieure 16 et de la paroi inférieure 18 auxquelles elles sont respectivement reliées. The cheek 24 is defined by an upper wall portion 42, a lower wall portion 44, and a side wall portion 46. The two wall portions 42 and 44 converge towards each other outside of the wheel support element 14, from the upper wall 16 and the lower wall 18 to which they are respectively connected.
La portion de la paroi latérale 46, est ainsi également reliée à la paroi latérale ou bride 20.The portion of the side wall 46 is thus also connected to the side wall or flange 20.
Les portions de paroi supérieure et inférieure 42 et 44, ont des extrémités respectives 48 et 50 qui sont parallèles, l'une par rapport à l'autre, sensiblement horizontales, et écartées l'une de l'autre. Les deux extrémités 48 et 50 défi nissent, avec une zone terminale correspondante 52 de la portion de paroi latérale 46, une portion de bout de section en
C que l'on peut mieux voir à la figure 5. Cette portion de bout se trouve effectivement au niveau de l'axe de rotation de la roue, qui passe par le centre de l'ouverture 26.The upper and lower wall portions 42 and 44 have respective ends 48 and 50 which are parallel to one another, substantially horizontal, and spaced from one another. The two ends 48 and 50 define, with a corresponding end zone 52 of the side wall portion 46, a section end portion in
C which can best be seen in FIG. 5. This end portion is effectively located at the axis of rotation of the wheel, which passes through the center of the opening 26.
Aux deux extrémités 48 et 50, des ouvertures circulaires respectives alignées 54 et 56 sont formées, dans lesquelles sont fixés les embouts respectifs d'une bague 58. Ces embouts sont soudés aux bords des ouvertures respectives 54 et 56, comme indiqué aux points 60 et 62. At the two ends 48 and 50, respective aligned circular openings 54 and 56 are formed, in which the respective ends of a ring 58 are fixed. These ends are welded to the edges of the respective openings 54 and 56, as indicated in points 60 and 62.
L'élément de forme aplatie formé par emboutissage de la joue 24 de la façon illustrée et décrite constitue un bras de direction, et la bague 58 avec son axe sensiblement vertical constitue un élément d'articulation à une tige de direction. The flattened element formed by stamping the cheek 24 in the illustrated and described manner constitutes a steering arm, and the ring 58 with its substantially vertical axis constitutes an element for articulation with a steering rod.
La section en C, donnée non seulement à la portion de bout de la joue 24 mais également à la portion conique formée par les parois 42, 44 et 46, confère une rigidité considéra bre au bras ou à l'élément de forme aplatie. Cette rigidité est encore accrue par la bague 58. Une plus grande rigidité est encore apportée par un bord 64 qui est plié à angle droit et qui se prolonge le long de toute la face "découvertew de l'élément support de roue 46. The C section, given not only to the end portion of the cheek 24 but also to the conical portion formed by the walls 42, 44 and 46, gives considerable stiffness to the arm or to the flattened element. This rigidity is further increased by the ring 58. Greater rigidity is further provided by an edge 64 which is folded at right angles and which extends along the entire "discovered" face of the wheel support element 46.
Il est bien évident que toutes les descriptions qui précèdent ont été données qu'à titre d'exemple non limitatif et que de nombreuses variantes peuvent être envisagées sans sortir pour.autant du cadre de l'invention. It is obvious that all of the foregoing descriptions have been given by way of non-limiting example and that numerous variants can be envisaged without departing from the scope of the invention.
Claims (2)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8267023A IT1212651B (en) | 1982-01-11 | 1982-01-11 | MAST FOR MACPHERSON SUSPENSIONS FOR STEERING WHEELS OF MOTOR VEHICLES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2519588A1 true FR2519588A1 (en) | 1983-07-18 |
| FR2519588B3 FR2519588B3 (en) | 1987-04-24 |
Family
ID=11298963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8300349A Expired FR2519588B3 (en) | 1982-01-11 | 1983-01-11 | MACPHERSON SUSPENSION LEG FOR STEERING WHEEL STEERING MOTOR VEHICLES |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE3246065A1 (en) |
| ES (1) | ES269640Y (en) |
| FR (1) | FR2519588B3 (en) |
| IT (1) | IT1212651B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0148825A1 (en) * | 1983-07-05 | 1985-07-24 | Ford Motor Co | Stamped strut and spindle support. |
| EP0477645A1 (en) * | 1990-09-25 | 1992-04-01 | FIAT AUTO S.p.A. | Procedure for constructing a support for the front wheel suspension of a motor vehicle |
| WO2007016903A1 (en) * | 2005-08-10 | 2007-02-15 | Schaeffler Kg | Connection of a suspension strut to a wheel carrier of a motor vehicle |
| FR3070138A1 (en) * | 2017-08-16 | 2019-02-22 | Psa Automobiles Sa | HUB HOLDER FOR VEHICLE WHEEL HUB |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH659442A5 (en) * | 1983-06-24 | 1987-01-30 | Fischer Ag Georg | PIVOT BEARINGS FOR AXLE UNITS IN MOTOR VEHICLES. |
| US5145204A (en) * | 1991-12-26 | 1992-09-08 | Chrysler Corporation | Stamped wheel support bracket for vehicle suspension |
| DE102011007831A1 (en) * | 2011-04-21 | 2012-10-25 | Zf Friedrichshafen Ag | Motor vehicle with at least one wheel-supporting structural unit |
| DE102014007084B4 (en) | 2014-05-14 | 2023-05-17 | Man Truck & Bus Se | Track arm for a steering mechanism of a motor vehicle, steering mechanism with the track arm and method for producing a basic element as or for the track arm |
| JP7185483B2 (en) * | 2018-10-22 | 2022-12-07 | Ｋｙｂ株式会社 | buffer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3865394A (en) * | 1973-06-11 | 1975-02-11 | Gen Motors Corp | Sheet metal steering knuckle with integral steering arm |
| FR2432948A1 (en) * | 1978-07-26 | 1980-03-07 | Iao Industrie Riunite Spa | AMOUNT FOR MAC PHERSON SUSPENSIONS FOR MOTOR VEHICLES |
| IT1118742B (en) * | 1979-05-28 | 1986-03-03 | Iao Industrie Riunite Spa | MAC PHERSON SUSPENSION STAND FOR MOTOR VEHICLES |
| US4276971A (en) * | 1979-11-16 | 1981-07-07 | General Motors Corporation | Vehicle suspension strut with serviceable shock absorber |
| IT1144176B (en) * | 1981-04-21 | 1986-10-29 | Iao Industrie Riunite Spa | MAST FOR MACPHERSON SUSPENSIONS FOR VEHICLES |
-
1982
- 1982-01-11 IT IT8267023A patent/IT1212651B/en active
- 1982-12-13 DE DE19823246065 patent/DE3246065A1/en not_active Withdrawn
-
1983
- 1983-01-10 ES ES1983269640U patent/ES269640Y/en not_active Expired
- 1983-01-11 FR FR8300349A patent/FR2519588B3/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0148825A1 (en) * | 1983-07-05 | 1985-07-24 | Ford Motor Co | Stamped strut and spindle support. |
| EP0148825A4 (en) * | 1983-07-05 | 1985-09-09 | Ford Motor Co | Stamped strut and spindle support. |
| EP0477645A1 (en) * | 1990-09-25 | 1992-04-01 | FIAT AUTO S.p.A. | Procedure for constructing a support for the front wheel suspension of a motor vehicle |
| WO2007016903A1 (en) * | 2005-08-10 | 2007-02-15 | Schaeffler Kg | Connection of a suspension strut to a wheel carrier of a motor vehicle |
| FR3070138A1 (en) * | 2017-08-16 | 2019-02-22 | Psa Automobiles Sa | HUB HOLDER FOR VEHICLE WHEEL HUB |
Also Published As
| Publication number | Publication date |
|---|---|
| ES269640Y (en) | 1984-01-16 |
| DE3246065A1 (en) | 1983-07-21 |
| IT1212651B (en) | 1989-11-30 |
| ES269640U (en) | 1983-07-01 |
| IT8267023A0 (en) | 1982-01-11 |
| FR2519588B3 (en) | 1987-04-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| CN | Change in juridical nature | ||
| TP | Transmission of property | ||
| EM | Correction of a material error concerning inscription in the national patent register |