PROBLEM TO BE SOLVED: To provide a rear axle housing capable of alleviating stress concentration at a mutual connecting portion without increasing a weight even if suspension mounting seat portions are adjacent to a differential gear mounting portion.SOLUTION: In a rear axle housing 1, a differential gear mounting portion 2 for housing a differential gear is provided at the middle part in a vehicle width direction. Also, suspension mounting seat portions 4 are formed for coupling to a suspension side at a bottom surface of a base end portion of each axle portion 3 protruding on both sides in the vehicle width direction from the differential gear mounting portion 2. Coupling portions 4' for coupling to the suspension side are left on both sides of the suspension mounting seat portions 4. A groove portion 15 is formed by thinning a mutual area between the coupling portions 4'. A curvature of the connecting portion to the differential gear mounting portion 2 is gradually changed in the groove portion 15.SELECTED DRAWING: Figure 1

    【課題】デフ取付部にサス取付シート部が隣接していても、相互の繋ぎ部分における応力集中を重量増加を招くことなく緩和し得るリヤアクスルハウジングを提供する。【解決手段】デファレンシャルギヤを収容するためのデフ取付部2を車幅方向中間部に備え且つ該デフ取付部2から車幅方向両側に張り出す各軸部3の基端部下面にサスペンション側との締結を図るためのサス取付シート部4を形成したリヤアクスルハウジング1に関し、サス取付シート部4の前後にサスペンション側との締結部4’を残して該締結部4’の相互間を肉抜きすることで溝部15を形成し、該溝部15内で前記デフ取付部2に対する繋ぎ部分の曲率を徐変させる。【選択図】図1


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    Titel :

    REAR AXLE HOUSING


    Weitere Titelangaben:

    リヤアクスルハウジング


    Beteiligte:
    SAITO KOICHI (Autor:in) / UJIIE TAKATOSHI (Autor:in) / TAKEI KIYOSHI (Autor:in)

    Erscheinungsdatum :

    2018-07-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge / B60B VEHICLE WHEELS , Räder für Fahrzeuge



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