To provide a vehicle lower part structure capable of improving steering stability and NV characteristics of a vehicle by improving the stiffness of a rear side member.SOLUTION: A vehicle lower part structure 100 includes: a rear side member 104 extending toward forward of a vehicle from the rear end of the vehicle, a suspension stationary part 106 which is joined to the outside of the rear side member in the vehicle width direction and on which an oscillating suspension for rear wheel is fixed; a battery pack 110 that is installed on the lower side of a floor panel 102 forming a floor surface of the vehicle and is positioned on the front side of the vehicle relative to the suspension stationary part; and a bracket 120 joined to the battery pack and the rear side member. The bracket is located within a range La of the suspension stationary part in the vehicle longitudinal direction.SELECTED DRAWING: Figure 1

    【課題】リヤサイドメンバの剛性を高めて、車両の操安性やNV特性を向上させることができる車両下部構造を提供する。【解決手段】車両下部構造100は、車両の後端から車両前方に延びるリヤサイドメンバ104と、リヤサイドメンバの車幅方向外側に接合されていて後輪用の揺動するサスペンションが固定されるサスペンション固定部106と、車両の床面を形成するフロアパネル102の下側に取り付けられサスペンション固定部よりも車両前側に位置するバッテリパック110と、バッテリパックとリヤサイドメンバとに接合されるブラケット120とを備え、ブラケットは、サスペンション固定部の車両前後方向の範囲La内に配置されていることを特徴とする。【選択図】図1


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    Title :

    VEHICLE LOWER PART STRUCTURE


    Additional title:

    車両下部構造


    Contributors:

    Publication date :

    2022-07-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / 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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