To provide a vehicular propulsion shaft which improves productivity and allows an intermediate bearing to be disengaged in a frontal collision.SOLUTION: A vehicle propulsion shaft 100 of the present invention formed by connecting a plurality of pipe members divided in the front and back by a universal joint, comprises: an intermediate bearing body 20 rotatably supporting a shaft member 10 of a universal joint; and a torsional damper 30 disposed in front of the intermediate bearing body 20. The intermediate bearing body 20 comprises: a bearing 21 externally fitted to the shaft member 10; a vibration isolation member 22 externally fitted to the bearing 21; an annular part 23 to which an outer ring 22b of the vibration isolation member 22 is internally fitted; and a bracket 24 joined to the annular part 23 and having legs pointing to the left and right. The torsional damper 30 includes a large diameter part 34 formed larger than an outer diameter R1 of the outer ring 22b.SELECTED DRAWING: Figure 2

    【課題】生産性の向上を図りつつ、前方衝突時に中間軸受が離脱する車両用推進軸を提供することを目的とする。【解決手段】本発明は、前後に分割された複数のパイプ材を自在継手により接続してなる車両用推進軸100であって、自在継手の軸部材10を回転自在に支持する中間軸受体20と、中間軸受体20の前方に配置されたトーショナルダンパ30とを備え、中間軸受体20は、軸部材10に外嵌された軸受21と、軸受21に外嵌された防振部材22と、防振部材22の外環22bが内嵌される円環部23と、円環部23と接合し、左右に指向する脚部を有するブラケット24と、を備え、トーショナルダンパ30は、外環22bの外径R1よりも大径に形成された大径部34を備えていることを特徴とする。【選択図】図2


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    Titel :

    VEHICULAR PROPULSION SHAFT


    Weitere Titelangaben:

    車両用推進軸


    Beteiligte:
    KONDO TOMOYA (Autor:in)

    Erscheinungsdatum :

    04.07.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F16F SPRINGS , Federn / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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