DE29923576U1 - Air suspension strut for motor vehicle wheel suspensions - Google Patents

Air suspension strut for motor vehicle wheel suspensions

Info

Publication number
DE29923576U1
DE29923576U1 DE29923576U DE29923576U DE29923576U1 DE 29923576 U1 DE29923576 U1 DE 29923576U1 DE 29923576 U DE29923576 U DE 29923576U DE 29923576 U DE29923576 U DE 29923576U DE 29923576 U1 DE29923576 U1 DE 29923576U1
Authority
DE
Germany
Prior art keywords
guide
air
suspension strut
strut according
ring
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.)
Expired - Lifetime
Application number
DE29923576U
Other languages
German (de)
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.)
Daimler AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority to DE29923576U priority Critical patent/DE29923576U1/en
Priority claimed from DE19908607A external-priority patent/DE19908607B4/en
Publication of DE29923576U1 publication Critical patent/DE29923576U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • F16F9/062—Bi-tubular units
    • 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
    • B60G13/003—Arrangements for attachment of dampers characterised by the mounting on the vehicle body or chassis of the damper unit
    • 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
    • B60G15/08—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring
    • B60G15/12—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring and fluid damper
    • B60G15/14—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring and fluid damper the damper being connected to the stub axle and the spring being arranged around the damper
    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3207—Constructional features
    • F16F9/3235—Constructional features of cylinders
    • F16F9/325—Constructional features of cylinders for attachment of valve units
    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/38—Covers for protection or appearance
    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
    • 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
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/54—Arrangements for attachment
    • 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
    • B60G2202/20—Type of damper
    • B60G2202/23—Friction Damper
    • 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
    • B60G2202/314—The spring being a pneumatic 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
    • B60G2204/126—Mounting of pneumatic springs
    • B60G2204/1262—Mounting of pneumatic springs on a damper
    • 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
    • B60G2204/423—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
    • 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
    • B60G2206/424—Plunger or top retainer construction for bellows or rolling lobe type air springs

Landscapes

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

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (19)

1. Luftfederbein für Radaufhängungen von Kraftfahrzeugen mit einem gegen die Fahrzeugkarosserie abgestützten Luftfederkopf und einer diesem zugeordneten Außenführung für einen Luftfederbalg, dessen Innenführung durch einen Luftfeder­ kolben gebildet ist, der einen mit seiner Kolbenstange im Bereich des Luftfederkopfes karosserieseitig abgestützten Dämpfer umschließt und im Bereich seines vom Luftfederkopf abgelegenen Endes gegen das den Dämpferkolben aufnehmende Dämpferrohr dichtend abgestützt ist, das mit der Radführung der Radaufhängung verbunden ist, dadurch gekennzeichnet, daß die Verbindung des Luftfederkolbens (6) zum Dämpferrohr (9) kardanisch beweglich ist und der Luftfederkolben (6) im Bereich seines balgseitigen Endes gegen eine zum Luftfederkopf (2) feststehende Führung (Führungshülse 14) axial verschieblich radial abstützbar ist.1. Air suspension strut for wheel suspensions of motor vehicles with an air spring head supported against the vehicle body and an associated outer guide for an air bellows, the inner guide of which is formed by an air spring piston which encloses a damper supported on the body side with its piston rod in the area of the air spring head and in the area of the damper Air spring head at the remote end is sealingly supported against the damper tube receiving the damper piston, which is connected to the wheel guide of the wheel suspension, characterized in that the connection of the air spring piston ( 6 ) to the damper tube ( 9 ) is gimbal-movable and the air spring piston ( 6 ) in the area of its Bellows-side end against an air spring head ( 2 ) fixed guide (guide sleeve 14 ) is axially displaceably supported radially. 2. Luftfederbein nach Anspruch 1, dadurch gekennzeichnet, daß die Führung durch eine die Kolbenstange (12) des Dämpferkolbens (11) umgebende Führungshülse (14) gebildet ist. 2. Air suspension strut according to claim 1, characterized in that the guide is formed by a piston rod ( 12 ) of the damper piston ( 11 ) surrounding the guide sleeve ( 14 ). 3. Luftfederbein nach Anspruch 2, dadurch gekennzeichnet, daß die Führungshülse (14) auf einen nach innen vorspringenden Ringbund (13) des Luftfederkopfes (2) aufgepresst ist, in dem das Ende der Kolbenstange (12) elastisch gehalten und abgestützt ist.3. Air suspension strut according to claim 2, characterized in that the guide sleeve ( 14 ) is pressed onto an inwardly projecting annular collar ( 13 ) of the air spring head ( 2 ), in which the end of the piston rod ( 12 ) is held and supported elastically. 4. Luftfederbein nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Abstützung des Luftfederkolbens (6) gegenüber der Führung (Führungshülse 14, Abstützhülse 22) durch einen die Führung (Führungshülse 14, Abstützhülse 22) mit Spiel umschließenden Führungsring (15) gebildet ist.4. Air suspension strut according to one of the preceding claims, characterized in that the support of the air spring piston ( 6 ) relative to the guide (guide sleeve 14 , support sleeve 22 ) is formed by a guide ring (guide sleeve 14 , support sleeve 22 ) with play surrounding guide ring ( 15 ) . 5. Luftfederbein nach Anspruch 4, dadurch gekennzeichnet, daß der Führungsring (15) durch einen Gleitring gebildet ist.5. Air suspension strut according to claim 4, characterized in that the guide ring ( 15 ) is formed by a slide ring. 6. Luftfederbein nach Anspruch 5, dadurch gekennzeichnet, daß der Gleitring (Führungsring 15) als Kunststoffring ausgebildet ist.6. Air suspension strut according to claim 5, characterized in that the sliding ring (guide ring 15 ) is designed as a plastic ring. 7. Luftfederbein nach Anspruch 6, dadurch gekennzeichnet, daß der Gleitring (Führungsring 15) innerhalb des oberen Endbereiches des Luftfederkolbens (6) liegt.7. Air suspension strut according to claim 6, characterized in that the slide ring (guide ring 15 ) lies within the upper end region of the air spring piston ( 6 ). 8. Luftfederbein nach Anspruch 7, dadurch gekennzeichnet, daß der Gleitring (Führungsring 15) in den oberen Endbereich des Luftfederkolbens (6) einklipsbar ist.8. Air suspension strut according to claim 7, characterized in that the sliding ring (guide ring 15 ) in the upper end region of the air spring piston ( 6 ) can be clipped. 9. Luftfederbein nach einem der Ansprüche 4 bis 8, dadurch gekennzeichnet, daß der Gleitring (Führungsring 15) in der Konstruktionslage des Luftfederbeines (1) in axialer Überdeckung zur Führungshülse (14) liegt.9. Air suspension strut according to one of claims 4 to 8, characterized in that the sliding ring (guide ring 15 ) in the construction position of the air suspension strut ( 1 ) lies in axial overlap with the guide sleeve ( 14 ). 10. Luftfederbein nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Kolbenstange (12) eine als Verlängerung zur Führungshülse (14) wirkende Abstützhülse (22) zugeordnet ist.10. Air suspension strut according to one or more of the preceding claims, characterized in that the piston rod ( 12 ) is associated with a support sleeve ( 22 ) acting as an extension to the guide sleeve ( 14 ). 11. Luftfederbein nach Anspruch 10, dadurch gekennzeichnet, daß die Abstützhülse (22) anschließend an die Führungshülse (14) vorgesehen ist.11. Air suspension strut according to claim 10, characterized in that the support sleeve ( 22 ) is then provided on the guide sleeve ( 14 ). 12. Luftfederbein nach Anspruch 11, dadurch gekennzeichnet, daß die Führungshülse (14) im Übergang auf die Abstützhülse (22) im Durchmesser verjüngt ist.12. Air spring strut according to claim 11, characterized in that the guide sleeve (14) is tapered in the transition to the supporting sleeve (22) in diameter. 13. Luftfederbein nach Anspruch 11 oder 12, dadurch gekennzeichnet, daß die Abstützhülse (22) ausgehend von ihrem der Führungshülse (14) benachbarten Ende einen sich im Durchmesser aufweitenden Übergangsbereich (Endbereich 26) aufweist.13. Air spring strut according to claim 11 or 12, characterized in that the support sleeve (22) from its guide sleeve (26 end region) (14) adjacent the end of a widening in the diameter transition region starting. 14. Luftfederbein nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, daß die Abstützhülse (22) an ihrem der Führungshülse (14) zugewandten Ende geschlossen und als Aufnahme für einen den Federweg der Kolbenstange (12) begrenzenden Anschlagpuffer (23) ausgebildet ist.14. Air suspension strut according to one of claims 10 to 13, characterized in that the support sleeve ( 22 ) at its end facing the guide sleeve ( 14 ) is closed and is designed as a receptacle for a spring travel of the piston rod ( 12 ) limiting stop buffer ( 23 ). 15. Luftfederbein nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der als Spiel zwischen Führungshülse (14) und Führungsring (15) vorgesehene Ringspalt eine kleinere Spaltweite aufweist als der im Bereich der Führungshülse (14) durch Außenführung (3) und Innenführung (5) bestimmte Spalt zwischen den über diese abgestützten Wandteilen (17 und 18) des Luftfederbalges (4).15. Air suspension strut according to one or more of the preceding claims, characterized in that the annular gap provided as a play between the guide sleeve ( 14 ) and guide ring ( 15 ) has a smaller gap width than that in the region of the guide sleeve ( 14 ) by the outer guide ( 3 ) and inner guide ( 5 ) certain gap between the wall parts ( 17 and 18 ) of the air bellows ( 4 ) supported by these. 16. Luftfederbein nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der als Spiel zwischen Abstützhülse (22) und Führungsring (15) im Bereich der Abstützhülse (22) gegebene Radialabstand kleiner ist als der durch Außenführung (3) und Innenführung (5) im entsprechenden Federbereich bestimmte Abstand zwischen den über diese abgestützten Wandteilen (17, 18) des Luftfederbalges (4). 16. Air suspension strut according to one or more of the preceding claims, characterized in that the radial distance given as play between the support sleeve ( 22 ) and guide ring ( 15 ) in the region of the support sleeve ( 22 ) is smaller than that provided by the outer guide ( 3 ) and the inner guide ( 5 ) in the corresponding spring area, a certain distance between the wall parts ( 17 , 18 ) of the air bellows ( 4 ) supported by these. 17. Luftfederbein nach Anspruch 15 oder 16, dadurch gekennzeichnet, daß die Breite des Ringspaltes zwischen Führungshülse (14) bzw. Abstützhülse (22) und Führungsring (15) nahezu die Größe des Radialabstandes zwischen den entsprechenden Wandteilen (17, 18) des Luftfederbalges (4) erreicht.17. Air suspension strut according to claim 15 or 16, characterized in that the width of the annular gap between the guide sleeve ( 14 ) or support sleeve ( 22 ) and guide ring ( 15 ) almost the size of the radial distance between the corresponding wall parts ( 17 , 18 ) of the air bellows ( 4 ) reached. 18. Luftfederbein nach einem oder mehreren der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die kardanisch bewegliche Verbindung des Luftfederkolbens (6) zum Dämpferrohr (9) durch ein elastisches Lager (Ringkörper 10) gebildet ist.18. Air strut according to one or more of the preceding claims, characterized in that the gimbal connection of the air spring piston ( 6 ) to the damper tube ( 9 ) is formed by an elastic bearing (ring body 10 ). 19. Luftfederbein nach Anspruch 18, dadurch gekennzeichnet, daß das elastische Lager durch einen elastischen Ringkörper (10) gebildet ist.19. Air suspension strut according to claim 18, characterized in that the elastic bearing is formed by an elastic ring body ( 10 ).
DE29923576U 1999-02-27 1999-02-27 Air suspension strut for motor vehicle wheel suspensions Expired - Lifetime DE29923576U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29923576U DE29923576U1 (en) 1999-02-27 1999-02-27 Air suspension strut for motor vehicle wheel suspensions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29923576U DE29923576U1 (en) 1999-02-27 1999-02-27 Air suspension strut for motor vehicle wheel suspensions
DE19908607A DE19908607B4 (en) 1999-02-27 1999-02-27 Air strut for suspension of motor vehicles

Publications (1)

Publication Number Publication Date
DE29923576U1 true DE29923576U1 (en) 2000-12-07

Family

ID=26052099

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29923576U Expired - Lifetime DE29923576U1 (en) 1999-02-27 1999-02-27 Air suspension strut for motor vehicle wheel suspensions

Country Status (1)

Country Link
DE (1) DE29923576U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10132061A1 (en) * 2001-07-05 2003-01-16 Phoenix Ag Air spring arrangement
CN108104797A (en) * 2017-12-12 2018-06-01 重庆举程科技发展有限公司 A kind of acoustic logging instrument with anticollision mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10132061A1 (en) * 2001-07-05 2003-01-16 Phoenix Ag Air spring arrangement
CN108104797A (en) * 2017-12-12 2018-06-01 重庆举程科技发展有限公司 A kind of acoustic logging instrument with anticollision mechanism

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010111

R150 Term of protection extended to 6 years

Effective date: 20020402

R151 Term of protection extended to 8 years

Effective date: 20050307

R152 Term of protection extended to 10 years

Effective date: 20070309

R071 Expiry of right