SE441999B - SPRING LEGS FOR MOTOR VEHICLES - Google Patents

SPRING LEGS FOR MOTOR VEHICLES

Info

Publication number
SE441999B
SE441999B SE8402173A SE8402173A SE441999B SE 441999 B SE441999 B SE 441999B SE 8402173 A SE8402173 A SE 8402173A SE 8402173 A SE8402173 A SE 8402173A SE 441999 B SE441999 B SE 441999B
Authority
SE
Sweden
Prior art keywords
sleeve
bushing
inner sleeve
surrounding
attached
Prior art date
Application number
SE8402173A
Other languages
Swedish (sv)
Other versions
SE8402173D0 (en
SE8402173L (en
Inventor
U Agren
S Zetterstrom
Original Assignee
Volvo Ab
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 Volvo Ab filed Critical Volvo Ab
Priority to SE8402173A priority Critical patent/SE441999B/en
Publication of SE8402173D0 publication Critical patent/SE8402173D0/en
Priority to GB08509375A priority patent/GB2158549B/en
Priority to IT47970/85A priority patent/IT1181641B/en
Priority to JP60082109A priority patent/JPS6118509A/en
Priority to DE19853514067 priority patent/DE3514067A1/en
Priority to FR8505883A priority patent/FR2563302B1/en
Publication of SE8402173L publication Critical patent/SE8402173L/en
Publication of SE441999B publication Critical patent/SE441999B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
    • B60G15/068—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit specially adapted for MacPherson strut-type suspension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/14—Independent suspensions with lateral arms
    • B60G2200/142—Independent suspensions with lateral arms with a single lateral arm, e.g. MacPherson type
    • 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
    • B60G2202/30—Spring/Damper and/or actuator Units
    • B60G2202/31—Spring/Damper and/or actuator Units with the spring arranged around the damper, e.g. MacPherson strut
    • B60G2202/312—The spring being a wound spring
    • 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
    • B60G2204/128—Damper mount on 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
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/41—Elastic mounts, e.g. bushings
    • 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
    • B60G2204/418—Bearings, e.g. ball or roller bearings
    • 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
    • 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
    • B60G2204/45021—Stops limiting travel using resilient buffer for limiting upper mount movement of a McPherson strut
    • 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
    • B60G2206/90—Maintenance
    • B60G2206/91—Assembly procedures

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)
  • Fluid-Damping Devices (AREA)

Description

8402173-2 10 15 20 25 30 35 h) Detta uppnås enligt uppfinningen vid en anordning av i inled- ningen angivet slag medelst ett dämpelement av ett elastiskt material med större hårdhet än materialet i bussningen, vilket i fjäderbenets monterade tillstånd är så fixerat relativt in- nerhylsan, att ett litet spel råder mellan dämpelementet och cn relativt hylselementet fixerad anslagsyta för att medge begrän- sad axiell rörelse av innerhylsan innan dämpelementet träffar anslagsytan. 8402173-2 10 15 20 25 30 35 h) This is achieved according to the invention in a device of the type indicated in the introduction by means of a damping element of an elastic material with greater hardness than the material in the bushing, which in the mounted condition of the strut is so fixed relative to the lower sleeve, that a small play prevails between the damping element and a stop surface fixed relative to the sleeve element in order to allow limited axial movement of the inner sleeve before the damping element hits the stop surface.

Vid utförandet enligt uppfinningen tas mindre rörelser och vibra- tioner upp enbart av den mjukare bussninuen, under det att dämp- elementet träder i funktion så snart hydraulisk dämpning sker vid större fjädringsrörelse. Utförandet möjliggör enkel anpass- ning av dämpkarakteristiken till olika bilmodeller genom använd- ning av olika dämpelement och variering av spelet.In the embodiment according to the invention, smaller movements and vibrations are absorbed only by the softer bus nose, while the damping element comes into operation as soon as hydraulic damping takes place during larger suspension movement. The design enables easy adaptation of the damping characteristics to different car models through the use of different damping elements and variation of the game.

Uppfinningen beskrives närmare under hänvisning till på bifoga- de ritning visade utföringsexempel, där figuren visar ett längd- snitt genom den övre delen av ett fjäderben med tillhörande lag- ring.The invention is described in more detail with reference to exemplary embodiments shown in the accompanying drawing, in which the figure shows a longitudinal section through the upper part of a strut with associated bearing.

I figuren betecknar 1 en fjäderbenslagring för ett generellt med 2 betecknat fjäderben av i och för sig känd konstruktion.In the figure, 1 denotes a strut bearing for a strut, generally denoted by 2, of a construction known per se.

Fjäderbenet 2 innefattar en rörformig del 3, vid vars nedre icke visade ände en hjulaxel är fastmonterad. Vid den övre änden av röret 3 är ett säte 4 för den nedre änden av en skruvfjäder 5 fastsvetsat. Röret innehåller en stötdämparcylinder 6, vars kolv- stång 7 skjuter ut genom röret 3 och är infäst i lagringen 1.The spring leg 2 comprises a tubular part 3, at the lower end of which is not shown a wheel axle is fixedly mounted. At the upper end of the tube 3, a seat 4 for the lower end of a coil spring 5 is welded. The tube contains a shock absorber cylinder 6, the piston rod 7 of which projects through the tube 3 and is attached to the bearing 1.

Kolvstângen 7 är omgiven av en gummibuffert 8 och en skydds- manschett 9 i form av en gummibälg. Fjäderns 5 översta varv är upptaget i ett säte 10, som anligger mot en övre stödplatta 11, vilken är utformad med ett säte 12' för ett axiallager 12.The piston rod 7 is surrounded by a rubber buffer 8 and a protective sleeve 9 in the form of a rubber bellows. The uppermost turn of the spring 5 is received in a seat 10, which abuts against an upper support plate 11, which is formed with a seat 12 'for an axial bearing 12.

Fjäderbenslagringen 1 uppvisar ett plåtelement med ett cylind- riskt parti 13 och en ringformig fästfläns 14 avsedd att fast- skruvas i fordonets hjulhus. I det cylindrinka partiet 13 är en gummibussning 15 fixerad under förmedlinq av en plåthylsa 16, vid vilken bussningen 15 är fastvulkad. Såväl bussningen 15 10 15 20 25 Åw 31162173-2 KN' som hylsan 16 har ett radiellt utskjutande flänsparti 17 resp. 18, som utskjuter utanför plåtelementets cyiindriska parti 13, så att hylsans fläns 18 anligger mot undersidan av fästflänsen 14. Delarna hålls på plats genom att hylsan 16 har ett övre kant- parti 19, som är utkragat över den övre kanten på cylínderpartiet 13. Monteringen går till så, att hylsan 16 med bussningen 15 underifrån förs upp i cylinderpartiet 13, varefter hvlsan 16 “nitas" fast genom utkragning av den övre kanten 19.The strut bearing 1 has a plate element with a cylindrical portion 13 and an annular mounting flange 14 intended to be screwed into the wheelhouse of the vehicle. In the cylindrical portion 13, a rubber bushing 15 is fixed by means of a plate sleeve 16, to which the bushing 15 is vulcanized. Both the bushing 15 10 15 20 25 Åw 31162173-2 KN 'and the sleeve 16 have a radially projecting flange portion 17 resp. 18, which projects outside the cylindrical portion 13 of the plate member, so that the flange 18 of the sleeve abuts the underside of the mounting flange 14. The parts are held in place by the sleeve 16 having an upper edge portion 19, which is cantilevered over the upper edge of the cylinder portion 13. so that the sleeve 16 with the bushing 15 is brought up from below into the cylinder portion 13, after which the sleeve 16 is "riveted" by cantilevering the upper edge 19.

Bussningen 15 omger och är fastvulkad vid en innerhylsa 20 av metall, i vilken övre änden av kolvstången 7 inskjuter och är fixerad av en mutter 21, som även fixerar en skålformig plåt- bricka 22 mot hylsans 20 övre kant. Brickan 22 har ett koniskt kantparti 23, vid vilket en ringformig vulst 24 av hårdare gummi än bussningens gummi är fastvulkad. Såsom framgår av figuren finns ett litet spel "s" mellan det utkragade partiets 19 mot vulsten vända yta 25 och motstâende yta 26 på vulsten i delar- nas statiska tillstånd. Dessutom är vulsten utformad med jämnt fördelade spår 27 i sin yta 26.The bushing 15 surrounds and is vulcanized to an inner sleeve 20 of metal, into which the upper end of the piston rod 7 projects and is fixed by a nut 21, which also fixes a cup-shaped plate washer 22 against the upper edge of the sleeve 20. The washer 22 has a conical edge portion 23, in which an annular bead 24 of harder rubber than the rubber of the bushing is vulcanized. As can be seen from the figure, there is a small play "s" between the cantilevered portion 19 facing the bead surface 25 and opposite surface 26 of the bead in the static state of the parts. In addition, the bead is formed with evenly distributed grooves 27 in its surface 26.

Små fjädringsrörelser och vibrationer inom spelet "s upptas sålunda enbart av den mjukare bussningen 15, medan större fjäd- ringsrörelser medför att vulsten 24 träffar det utkragade par- tiet 19, vilket ger stummare dämpning.Small suspension movements and vibrations within the game's are thus absorbed only by the softer bushing 15, while larger suspension movements cause the bead 24 to strike the cantilevered portion 19, which provides duller damping.

På undersidan av bussningen 15 är en konisk bricka 28 inspänd mellan hylsans 20 nederkant och en avsats 29 på kolvstången.On the underside of the bushing 15, a conical washer 28 is clamped between the lower edge of the sleeve 20 and a ledge 29 on the piston rod.

Brickan 28 har en konisk sidoyta, som i statiskt tillstånd lig- ger på avstånd från en motsvarande formad yta 30 på bussningen 15 och som vid viss fjädringsrörelse träffar bussningens yta 30 för att öka motståndet mot rörelse av kolvstången relativt lagringen i riktning uppåt.The washer 28 has a conical side surface, which in the static state is at a distance from a correspondingly shaped surface 30 on the bushing 15 and which, when a certain suspension movement hits the surface 30 of the bushing to increase the resistance to movement of the piston rod relative to the bearing in the upward direction.

Vid den nedre änden av bussningen 15 är en L-formig plâtring 31 invulkad, vilken tjänstgör som förstyvning av ett säte 32 för axiallagret 12. Såsom framgår av figuren är det dämpande gummiskiktet ovanför axiallagret 12 relativt tunt, vilket re- sulterar i stummare dämpning av fjäderlagringen än av kolvstånds- infästningen. iflöß uimufl 8402173-2 10 15 20 I ett alternativt utförande till det på ritningen visade kan den L~formiga förstyvningsringens 31 vertikala fläns på sin utsida vara belagd med ett gummiskikt, som håller axiallagret på plats vid monteringen. Vidare kan hylsan 16 på sin utsida vara belagd med ett gummiskikt, som tjänstgör som isolering mellan hylsan 16 och fästelementet 13, 14. Inom ramen för uppfinningen kan 74 man även ersätta den i ett stycke utformade hylsan 16 med flera axiellt åtskilda cylinder- resp. ringelement som invulkas i bussningen 15 på litet avstånd från dess mantelyta, varvid det översta ringelementet utformas med ett parti, som kan utkragas över cylinderpartiets övre kant, så att ett anslag för vulsten 24 bildas.At the lower end of the bushing 15, an L-shaped plating ring 31 is recessed, which serves as a stiffening of a seat 32 for the thrust bearing 12. As can be seen from the figure, the damping rubber layer above the thrust bearing 12 is relatively thin, which results in duller damping of the spring bearing than of the piston stand attachment. In an alternative embodiment to the one shown in the drawing, the vertical flange of the L-shaped stiffening ring 31 may be coated on its outside with a rubber layer which holds the thrust bearing in place during assembly. Furthermore, the sleeve 16 can be coated on its outside with a rubber layer, which serves as insulation between the sleeve 16 and the fastening element 13, 14. Within the scope of the invention, the one-piece sleeve 16 can also be replaced with several axially separated cylinder resp. ring element which is folded into the bushing 15 at a small distance from its outer surface, the uppermost ring element being formed with a portion which can be cantilevered over the upper edge of the cylinder portion, so that a stop for the bead 24 is formed.

Förutom de i beskrivningsinledningen angivna fördelarna vad gäller möjligheten att optimera dämpningskarakteristiken er- hålles genom uppfinningen en fjäderbenslagring, som kan dimen~ sioneras betydligt mindre än konventionella lagringar. Flera detaljer kan vulkas i verktyget, vilket tillsammans med det ovan angivna enkla monteringsförfarandet genom “nitning" ger ett lågt pris.In addition to the advantages stated in the introduction to the description with regard to the possibility of optimizing the damping characteristics, the invention provides a strut bearing, which can be dimensioned considerably smaller than conventional bearings. Several details can be vulcanized in the tool, which together with the above-mentioned simple assembly procedure by "riveting" gives a low price.

P00 i QUALITYP00 and QUALITY

Claims (6)

10 15 20 25 30 35 XD 8402173~2 Patentkrav10 15 20 25 30 35 XD 8402173 ~ 2 Patent claims 1. Anordning för lagring av ett för ett styrbart fordonshjul avsett fjäderben av det slag, som omfattar en av en skruvfjäder omgiven rörformig del, vars nedre ände uppbär en hjulaxel och vilken innehåller en stötdämparcylinder med kolv och kolvstång, som utskjuter genom den rörformiga delens övre ände, vilken lageranordning innefattar en innerhylsa, som är infäst i en om- givande bussning av elastiskt material och är avsedd att upptaga kolvstångens övre ände, och ett omgivande hylselement, i vilket bussningen är infäst, k ä n n e t e c k n a d av ett dämpelement (24) av ett elastiskt material med större hårdhet än materialet i bussningen (15), vilket i fjäderbenets (2) monterade till- stånd är så fixerat relativt innerhylsan (20), att ett litet spel (s) råder mellan dämpelementet och en relativt hylsele- mentet (16) axiell rörelse av innerhylsan (20) fixerad anslagsyta (25) för att medge begränsad innan dämpelementet träffar anslagsytan.A device for storing a spring leg of the type intended for a steerable vehicle wheel, comprising a tubular part surrounded by a helical spring, the lower end of which carries a wheel axle and which contains a shock absorber cylinder with piston and piston rod projecting through the upper part of the tubular part end, which bearing device comprises an inner sleeve, which is attached to a surrounding bushing of elastic material and is intended to receive the upper end of the piston rod, and a surrounding sleeve element, in which the bushing is attached, characterized by a damping element (24) of an elastic material with greater hardness than the material in the bushing (15), which in the mounted condition of the spring leg (2) is so fixed relative to the inner sleeve (20) that a small clearance (s) prevails between the damping element and a relative sleeve element ( 16) axial movement of the inner sleeve (20) fixed abutment surface (25) to allow limited before the damping element hits the abutment surface. 2. Anordning enligt krav 1, k ä n n e t e c k n a d av att dämp- elementet innefattar en metallbricka (22,23) och en vid denna vidhäftande fäst, ringformig vulst (24) av elastiskt material.Device according to claim 1, characterized in that the damping element comprises a metal washer (22, 23) and an annular bead (24) of elastic material attached to it. 3. Anordning enligt krav 2, k ä n n e t e c k n a d av att bric- kan är skâlformig med en plan botten (22) och en utâtlutande sidokant (23), på vilken vulsten (24) är fäst.Device according to claim 2, characterized in that the tray is shell-shaped with a flat bottom (22) and a sloping side edge (23), to which the bead (24) is attached. 4. Anordning enligt krav 3, k ä n n e t e c k n a d av att hyls- elementet (16) har ett ovanför bussningen (15) uppskjutande flänsparti (19), som är utkragat för att bilda en anslagsyta (25) med samma lutning som brickans sidokant (23).Device according to claim 3, characterized in that the sleeve element (16) has a flange portion (19) projecting above the bushing (15), which is cantilevered to form a stop surface (25) with the same inclination as the side edge (23 of the washer). ). 5. Anordning enligt något av kraven 2-4, k ä n n e t e c k n a d av att brickan (22,23) i fjäderbenets monterade tillstånd är inspänd mellan innerhylsans (19) övre kant och en på kolvstången (7) fastskruvad mutter (21).Device according to one of Claims 2 to 4, characterized in that the washer (22, 23) in the mounted condition of the strut is clamped between the upper edge of the inner sleeve (19) and a nut (21) screwed onto the piston rod (7). 6. Anordning enligt krav 4, k ä n n e t e c k n a d av att buss- _ ningen och hylselementet har ett innerhylsan (20) omgivande, i huvudsak cylindriskt parti och ett vid det cylindriska partiets nederände radiellt utskjutande flänsparti (17,18), som ligger på undersidan av en fläns (14) på ett omgivande fästelement och tillsammans med det ntkragade partiet (19) fixerar hylselementet (16) relativt fästelementet.Device according to claim 4, characterized in that the bushing and the sleeve element have an inner sleeve (20) surrounding, substantially cylindrical portion and a radially projecting flange portion (17, 18) at the lower end of the cylindrical portion, which lies on the underside of a flange (14) on a surrounding fastener and together with the collared portion (19) fixes the sleeve member (16) relative to the fastener.
SE8402173A 1984-04-18 1984-04-18 SPRING LEGS FOR MOTOR VEHICLES SE441999B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE8402173A SE441999B (en) 1984-04-18 1984-04-18 SPRING LEGS FOR MOTOR VEHICLES
GB08509375A GB2158549B (en) 1984-04-18 1985-04-12 Suspension strut mounting for motor vehicles
IT47970/85A IT1181641B (en) 1984-04-18 1985-04-17 SUSPENSION STRUT SUPPORT FOR MOTOR VEHICLES, PARTICULARLY FOR STEERING WHEELS
JP60082109A JPS6118509A (en) 1984-04-18 1985-04-17 Fixture for hanging strut for automobile
DE19853514067 DE3514067A1 (en) 1984-04-18 1985-04-18 HANGING ROD MOUNTING FOR A MOTOR VEHICLE
FR8505883A FR2563302B1 (en) 1984-04-18 1985-04-18 SUSPENSION LEG MOUNT FOR A MOTOR VEHICLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8402173A SE441999B (en) 1984-04-18 1984-04-18 SPRING LEGS FOR MOTOR VEHICLES

Publications (3)

Publication Number Publication Date
SE8402173D0 SE8402173D0 (en) 1984-04-18
SE8402173L SE8402173L (en) 1985-10-19
SE441999B true SE441999B (en) 1985-11-25

Family

ID=20355628

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8402173A SE441999B (en) 1984-04-18 1984-04-18 SPRING LEGS FOR MOTOR VEHICLES

Country Status (6)

Country Link
JP (1) JPS6118509A (en)
DE (1) DE3514067A1 (en)
FR (1) FR2563302B1 (en)
GB (1) GB2158549B (en)
IT (1) IT1181641B (en)
SE (1) SE441999B (en)

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FR2457410A1 (en) * 1979-05-25 1980-12-19 Nadella DEVICE FOR MOUNTING A BEARING STOP
DE8026889U1 (en) * 1980-10-08 1981-02-12 Boge Gmbh, 5208 Eitorf Decoupled elastic bearing for attaching a wheel suspension to the body
JPS57191110A (en) * 1981-05-15 1982-11-24 Nissan Motor Co Ltd Strut mount insulator

Also Published As

Publication number Publication date
DE3514067A1 (en) 1985-10-24
SE8402173D0 (en) 1984-04-18
SE8402173L (en) 1985-10-19
IT8547970A0 (en) 1985-04-17
IT1181641B (en) 1987-09-30
GB8509375D0 (en) 1985-05-15
GB2158549B (en) 1987-11-04
FR2563302B1 (en) 1990-06-15
JPS6118509A (en) 1986-01-27
GB2158549A (en) 1985-11-13
FR2563302A1 (en) 1985-10-25
IT8547970A1 (en) 1986-10-17

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