FR2902475A1 - Motor vehicle parts e.g. body, articulation for being mounted on articulation clevis, has end comprising flange ring with side that contacts lateral wall during vehicle operation and is processed by flocking with fibers, which are short - Google Patents

Motor vehicle parts e.g. body, articulation for being mounted on articulation clevis, has end comprising flange ring with side that contacts lateral wall during vehicle operation and is processed by flocking with fibers, which are short Download PDF

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Publication number
FR2902475A1
FR2902475A1 FR0652148A FR0652148A FR2902475A1 FR 2902475 A1 FR2902475 A1 FR 2902475A1 FR 0652148 A FR0652148 A FR 0652148A FR 0652148 A FR0652148 A FR 0652148A FR 2902475 A1 FR2902475 A1 FR 2902475A1
Authority
FR
France
Prior art keywords
articulation
fibers
flocking
short
motor vehicle
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
FR0652148A
Other languages
French (fr)
Other versions
FR2902475B1 (en
Inventor
Gilbert Bryz
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 FR0652148A priority Critical patent/FR2902475B1/en
Publication of FR2902475A1 publication Critical patent/FR2902475A1/en
Application granted granted Critical
Publication of FR2902475B1 publication Critical patent/FR2902475B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F16F1/3842—Method of assembly, production or treatment; Mounting thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/02—Attaching arms to sprung part of vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F16F1/387—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type comprising means for modifying the rigidity in particular directions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/02—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together
    • F16F7/04—Vibration-dampers; Shock-absorbers with relatively-rotatable friction surfaces that are pressed together in the direction of the axis of rotation
    • 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
    • B60G2204/143—Mounting of suspension arms on the vehicle body or chassis
    • B60G2204/1434—Mounting of suspension arms on the vehicle body or chassis in twist-beam axles arrangement
    • 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
    • B60G2204/41—Elastic mounts, e.g. bushings
    • B60G2204/4104—Bushings having modified rigidity in particular directions
    • 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
    • B60G2204/423—Rails, tubes, or the like, for guiding the movement of suspension elements
    • B60G2204/4232—Sliding mounts
    • 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
    • B60G2204/45—Stops limiting travel
    • B60G2204/4502—Stops limiting travel using resilient buffer

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Springs (AREA)

Abstract

The articulation (1) has an end (7a) comprising a flange ring (4) placed close to and facing a lateral wall (3a) of an articulation clevis (3). The flange ring has a side (5) that contacts with one of lateral walls (3a, 3b), during an operation of a motor vehicle and is processed by flocking with fibers (6). The articulation has a shape of a cylindrical sleeve that is mounted around an axle fixed transversal by its ends (2a, 2b) to the respective lateral walls (3a, 3b). The fibers are oriented perpendicular to the side. The fibers are short and are made of a friction favoring material.

Description

"Articulation élastique montée en liaison au sol dans un véhicule"Elastic joint mounted on the ground in a vehicle

automobile".automobile ".

L'invention concerne une articulation élastique qui est montée dans un véhicule automobile en étant solidaire d'une première pièce en liaison au sol et d'une deuxième pièce du véhicule. Dans un véhicule automobile, de nombreuses articulations élastiques en liaison au sol sont utilisées. En général, ces articulations présentent la forme d'un manchon cylindrique monté sur un axe et sont montées solidaire à une première pièce en liaison au sol et à une deuxième pièce du véhicule.  The invention relates to an elastic hinge which is mounted in a motor vehicle being secured to a first piece in connection with the ground and a second part of the vehicle. In a motor vehicle, many elastic joints in connection with the ground are used. In general, these joints have the shape of a cylindrical sleeve mounted on an axis and are mounted integral with a first part in connection with the ground and a second part of the vehicle.

L'une des parois d'extrémité d'une telle articulation est proche soit de la première pièce en liaison au sol, soit de la deuxième pièce, et est couverte d'une collerette en caoutchouc. Lors du fonctionnement du véhicule, la collerette peut venir en contact sur la pièce de laquelle elle est située à proximité, mais lorsque ce contact est accompagné d'un frottement, une source de bruit devient perceptible à l'intérieur de l'habitacle du véhicule. Plusieurs solutions ont déjà été développées pour pallier à ce problème. L'interface de contact peut être graissée mais la durée de fonctionnement d'un tel système est limitée par le rinçage à l'eau en fonctionnement. Il est également possible d'enduire la collerette d'un vernis dont le frottement ne provoque pas de bruit, mais la durée de fonctionnement d'une telle surface est limitée par l'usure. Enfin, des composants lubrifiants peuvent être ajoutés dans la formulation du caoutchouc mais un tel ajout engendre des modifications dans les propriétés du caoutchouc. L'invention permet de pallier les inconvénients précités en proposant une articulation élastique dont les caractéristiques intrinsèques ne sont pas modifiées mais pour lequel un contact avec une pièce en liaison direct ou indirect au sol ne provoque pas de bruit audible dans l'habitacle du véhicule et ce, pendant une durée acceptable.  One of the end walls of such a joint is close to either the first piece in connection with the ground or the second piece, and is covered with a rubber collar. During operation of the vehicle, the flange can come into contact with the part of which it is located nearby, but when this contact is accompanied by friction, a source of noise becomes perceptible inside the passenger compartment of the vehicle . Several solutions have already been developed to overcome this problem. The contact interface can be greased but the operating time of such a system is limited by the rinsing with water in operation. It is also possible to coat the flange with a varnish whose friction does not cause noise, but the operating time of such a surface is limited by wear. Finally, lubricating components may be added in the rubber formulation, but such an addition causes changes in the properties of the rubber. The invention makes it possible to overcome the aforementioned drawbacks by proposing an elastic hinge whose intrinsic characteristics are not modified but for which contact with a part connected directly or indirectly with the ground does not cause audible noise in the passenger compartment of the vehicle and this, for an acceptable duration.

A cet effet, l'invention porte sur une articulation élastique montée dans un véhicule automobile en étant solidaire d'une première pièce en liaison au sol et d'une deuxième pièce du véhicule, qui est essentiellement caractérisée en ce que la face de cette articulation qui est susceptible de venir en contact avec l'une de ces deux pièces au cours du fonctionnement du véhicule, a été traitée par flocage. De préférence, la dite articulation présente la forme d'un manchon cylindrique dont l'une de ces deux d'extrémité est recouverte d'une collerette en matériau élastomère dont la face en regard de la pièce contre laquelle l'articulation est susceptible de venir en contact, a été traitée par flocage. Avantageusement, la collerette est en caoutchouc.  For this purpose, the invention relates to an elastic joint mounted in a motor vehicle being secured to a first piece in connection with the ground and a second part of the vehicle, which is essentially characterized in that the face of this joint which is likely to come into contact with one of these two parts during the operation of the vehicle, has been treated by flocking. Preferably, said hinge has the shape of a cylindrical sleeve, one of which is end-covered with a flange of elastomeric material whose face opposite the part against which the hinge is likely to come in contact, was treated by flocking. Advantageously, the collar is made of rubber.

Selon un mode de réalisation avantageux, les fibres faisant l'objet du flocage sont orientées sensiblement perpendiculairement à la face traitée. Dans ce cas, de façon préférentielle, les fibres faisant l'objet du flocage sont courtes et réalisées en 30 un matériau favorable au frottement. En outre, les fibres peuvent être en polyamide ou en PTFE. L'invention sera mieux comprise, et d'autres buts, caractéristiques, détails et avantages de celle-ci 35 apparaîtront plus clairement au cours de la description explicative qui va suivre faite en référence aux dessins schématiques annexés donnés uniquement à titre d'exemple illustrant un mode de réalisation de l'invention et dans lesquels : - la figure 1 est une vue en perspective de l'articulation de l'invention montée dans une chape d'articulation, et - la figure 2 est une vue en perspective de l'articulation de l'invention de la figure 1.  According to an advantageous embodiment, the fibers being flocked are oriented substantially perpendicularly to the treated face. In this case, preferably, the flocked fibers are short and made of a material that is favorable to friction. In addition, the fibers may be polyamide or PTFE. The invention will be better understood, and other objects, features, details and advantages thereof will appear more clearly in the following explanatory description made with reference to the accompanying diagrammatic drawings given solely by way of illustrative example. an embodiment of the invention and in which: - Figure 1 is a perspective view of the articulation of the invention mounted in a hinge clevis, and - Figure 2 is a perspective view of the articulation of the invention of FIG.

En référence à ces figures, l'articulation élastique 1 de l'invention présente la forme d'un manchon cylindrique monté autour d'un axe 2 fixé transversalement par chacune de ses deux extrémités 2a, 2b à deux parois latérales respectives 3a ,3a d'une chape d'articulation 3 solidaire de la caisse du véhicule automobile non représentée. L'articulation 1 est également solidaire du train arrière déformable du véhicule par une liaison non représentée sur les figures.  With reference to these figures, the elastic articulation 1 of the invention has the shape of a cylindrical sleeve mounted around an axis 2 fixed transversely by each of its two ends 2a, 2b to two respective side walls 3a, 3a of a joint yoke 3 secured to the body of the motor vehicle not shown. The hinge 1 is also secured to the deformable rear axle of the vehicle by a link not shown in the figures.

L'une des deux extrémités 7a,7b de cette articulation 1 comporte une collerette en caoutchouc 4 disposée proche et en regard de l'une 3a des deux parois latérales 3a, 3b de la chape d'articulation 3. La face 5 de la collerette 4 en regard de la paroi de la chape 3a est traitée par flocage de fibres courtes d'une longueur de l'ordre du millimètre et dont la matière facilitera le glissement, par exemple en polyamide, PTFE ou un matériau équivalent. Un tel traitement permet de modifier la nature de la surface de contact de sorte qu'elle passe de lisse et homogène à chaotique et hétérogène du fait de la présence des fibres 6, de l'air et du passage de l'air entre ces fibres 6. Ce traitement permet de réduire considérablement 35 les sources aéroacoustiques provenant du contact et du frottement entre la chape d'articulation 3 et la collerette 4 de l'articulation 1 sans modifier les propriétés intrinsèques du caoutchouc de la collerette 4. Par ailleurs, le procédé de flocage de cette collerette 4, par ailleurs bien connu de l'homme du métier, ne nécessitera pas l'utilisation d'adhésifs de fixation des fibres 6 du fait de la présence du caoutchouc. La pièce d'articulation de l'invention a été décrite précédemment dans le cadre d'une liaison entre la caisse et le train arrière déformable du véhicule mais peut également s'appliquer à une articulation élastique d'amortisseur, à une articulation élastique de bras et triangles de suspension, à une articulation élastique entre une barre anti-roulis et un bras de suspension, et en particulier des essieux Mac Pherson ou encore à toute articulation le nécessitant.  One of the two ends 7a, 7b of this hinge 1 comprises a rubber collar 4 disposed near and opposite one of the 3a of the two side walls 3a, 3b of the hinge clevis 3. The face 5 of the collar 4 opposite the wall of the yoke 3a is treated by flocking short fibers of a length of the order of a millimeter and whose material will facilitate sliding, for example polyamide, PTFE or equivalent material. Such a treatment makes it possible to modify the nature of the contact surface so that it goes from smooth and homogeneous to chaotic and heterogeneous because of the presence of the fibers 6, air and the passage of air between these fibers. 6. This treatment makes it possible to reduce considerably the aeroacoustic sources resulting from the contact and the friction between the articulation clevis 3 and the collar 4 of the joint 1 without modifying the intrinsic properties of the rubber of the collar 4. Moreover, the Flocking method of this flange 4, also well known to those skilled in the art, will not require the use of fiber fixing adhesives 6 due to the presence of rubber. The articulating part of the invention has been described previously in the context of a connection between the body and the deformable rear axle of the vehicle but can also be applied to an elastic shock absorber articulation, to an elastic arm articulation and suspension wishbones, with an elastic articulation between an anti-roll bar and a suspension arm, and in particular Mac Pherson axles or any articulation that requires it.

Claims (6)

REVENDICATIONS 1. Articulation élastique montée dans un véhicule, notamment un véhicule automobile, en étant solidaire d'une première pièce en liaison au sol et d'une deuxième pièce du véhicule, caractérisée en ce que la face (5) de la dite articulation (1) qui est susceptible de venir en contact avec l'une de ces deux pièces (3,3a) au cours du fonctionnement du véhicule, a été traitée par flocage.  1. Elastic joint mounted in a vehicle, in particular a motor vehicle, being integral with a first piece in connection with the ground and a second part of the vehicle, characterized in that the face (5) of said hinge (1 ) which is capable of coming into contact with one of these two parts (3,3a) during the operation of the vehicle, has been treated by flocking. 2. Articulation élastique selon la revendication 1, caractérisée en ce qu'elle présente la forme d'un manchon cylindrique dont l'une (7a) de ces deux d'extrémité (7a,7b) est recouverte d'une collerette en matériau élastomère (4) dont la face (5) en regard de la pièce (3,3a) contre laquelle l'articulation (1) est susceptible de venir en contact, a été traitée par flocage (6).  2. Elastic joint according to claim 1, characterized in that it has the shape of a cylindrical sleeve, one of which (7a) of these two end (7a, 7b) is covered with a collar of elastomeric material (4) whose face (5) facing the piece (3,3a) against which the joint (1) is likely to come into contact, has been treated by flocking (6). 3. Articulation selon la revendication 2, caractérisée en ce que la collerette (4) est en caoutchouc.  3. Articulation according to claim 2, characterized in that the flange (4) is rubber. 4. Articulation élastique selon l'une quelconque des revendications 1 à 3, caractérisée en ce que les fibres (6) faisant l'objet du flocage sont orientées sensiblement perpendiculairement à la face traitée (5).  4. Elastic joint according to any one of claims 1 to 3, characterized in that the fibers (6) being flocked are oriented substantially perpendicular to the treated face (5). 5. Articulation selon l'une quelconque des revendications 1 à 4, caractérisée en ce que les fibres (6) faisant l'objet du flocage sont courtes et réalisées en un matériau favorable au frottement.  5. Articulation according to any one of claims 1 to 4, characterized in that the fibers (6) being flocked are short and made of a material favorable to friction. 6. Articulation selon la revendication 5, caractérisé en ce que les fibres (6) sont en polyamide ou en PTFE.  6. Articulation according to claim 5, characterized in that the fibers (6) are polyamide or PTFE.
FR0652148A 2006-06-15 2006-06-15 ELASTIC JOINT MOUNTED IN GROUND CONNECTION IN A MOTOR VEHICLE Expired - Fee Related FR2902475B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0652148A FR2902475B1 (en) 2006-06-15 2006-06-15 ELASTIC JOINT MOUNTED IN GROUND CONNECTION IN A MOTOR VEHICLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0652148A FR2902475B1 (en) 2006-06-15 2006-06-15 ELASTIC JOINT MOUNTED IN GROUND CONNECTION IN A MOTOR VEHICLE

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FR2902475A1 true FR2902475A1 (en) 2007-12-21
FR2902475B1 FR2902475B1 (en) 2008-09-26

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039831A (en) * 1957-08-09 1962-06-19 American Metal Prod Insulated bushing
US3130991A (en) * 1961-02-07 1964-04-28 Riv Officine Di Villar Perosa Resilient joints, more particularly for motor vehicle suspension
US3190137A (en) * 1958-10-28 1965-06-22 Raybestos Manhattan Inc Rubber faced belt with fiber traction surface
US3300257A (en) * 1962-11-07 1967-01-24 Clevite Harris Products Inc Lubricated rubber bearing
GB2045365A (en) * 1979-03-30 1980-10-29 Skf Ab Seal
JPH11210794A (en) * 1998-01-26 1999-08-03 Toyo Tire & Rubber Co Ltd Rubber bush
US20030139242A1 (en) * 2000-04-03 2003-07-24 Reinhard Teves Frictionally engaged driving belt

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3039831A (en) * 1957-08-09 1962-06-19 American Metal Prod Insulated bushing
US3190137A (en) * 1958-10-28 1965-06-22 Raybestos Manhattan Inc Rubber faced belt with fiber traction surface
US3130991A (en) * 1961-02-07 1964-04-28 Riv Officine Di Villar Perosa Resilient joints, more particularly for motor vehicle suspension
US3300257A (en) * 1962-11-07 1967-01-24 Clevite Harris Products Inc Lubricated rubber bearing
GB2045365A (en) * 1979-03-30 1980-10-29 Skf Ab Seal
JPH11210794A (en) * 1998-01-26 1999-08-03 Toyo Tire & Rubber Co Ltd Rubber bush
US20030139242A1 (en) * 2000-04-03 2003-07-24 Reinhard Teves Frictionally engaged driving belt

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Publication number Publication date
FR2902475B1 (en) 2008-09-26

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