To provide a vehicle body lower structure of an electric vehicle for protecting a battery in the case of a side collision.SOLUTION: The vehicle body lower structure 1 of an electric vehicle comprises: a pair of right and left side sills 10 that are arranged outside the vehicle in the width direction of a vehicle body and extends in the longitudinal direction of the vehicle body; a battery pack 20 arranged between the side sills 10; a floor cross member 30 that is installed on the side of an upper face of the battery pack 20 and extends in the width direction of the vehicle body; and a ground side cross member 40 that is installed on the side of a bottom face of the battery pack 20 and has a groove shape extending in the width direction of the vehicle body. The floor cross member 30 has a linear groove shape that opens toward the vehicle body lower side and has both ends 30a closed, with both ends 30a coming into contact with lateral faces 10a of the left and right side sills 10. The ground side cross member 40 has a groove shape whose height is increased toward end parts 40a outside the vehicle above the battery pack 20, with the end parts 40a connected to a bottom face 10b of the side sill 10.SELECTED DRAWING: Figure 1

    【課題】側面衝突時にバッテリーを保護する電気自動車の車体下部構造を提供する。【解決手段】本発明に係る電気自動車の車体下部構造1は、車体幅方向の車外側に配設されて車体前後方向に延在する左右一対のサイドシル10と、サイドシル10の間に配設されたバッテリーパック20と、バッテリーパック20の上面側に設置され、車体幅方向に延在するフロアクロスメンバ30と、バッテリーパック20の下面側に設置され、車体幅方向に延在する溝形状を有する地面側クロスメンバ40と、を備えたものであって、フロアクロスメンバ30は、車体下方側に向かって開口し、両先端30aが閉じた直線状の溝形状であり、両先端30aが左右のサイドシル10の側面10aに当接し、地面側クロスメンバ40は、バッテリーパック20よりも車外側において端部40aに向かって溝高さが高くなり、端部40aがサイドシル10の下面10bに接続されているものである。【選択図】 図1


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    Title :

    VEHICLE BODY LOWER STRUCTURE OF ELECTRIC VEHICLE


    Additional title:

    電気自動車の車体下部構造


    Contributors:

    Publication date :

    2024-10-24


    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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