PROBLEM TO BE SOLVED: To provide a vehicle body lower part structure that can suppress deformation of a vehicle interior and improve collision safety performance at the time of a side collision of a vehicle.SOLUTION: A vehicle body lower part structure 10 comprises: a lower skelton member 20, formed in a closed cross-section shape extending in a longitudinal direction of a vehicle body, which has guide parts 25 in inner surfaces of wall parts constituting the closed cross-section shape and is arranged at a lower side of the vehicle body; a battery frame 16 arranged inside in a vehicle width direction of the lower skelton member 20 and mounted with a battery 14; and a reinforcement member 30, formed in a closed cross-section shape extending in the longitudinal direction of the vehicle body and provided in the closed cross section of the lower skelton member 20 while being supported by the guide parts 25, at least part of which is overlapping with the battery 14 in a side view when viewed from the vehicle width direction.SELECTED DRAWING: Figure 2

    【課題】車室の変形を抑制でき、車両の側面衝突時における衝突安全性能を向上できる車体下部構造を得る。【解決手段】車体前後方向に延在する閉断面形状に形成されるとともに、その閉断面形状を構成する壁部の内面にガイド部25を有し、車体下方側に配置された下部骨格部材20と、下部骨格部材20の車幅方向内側に配置され、バッテリ14が搭載されたバッテリフレーム16と、車体前後方向に延在する閉断面形状に形成されるとともに、下部骨格部材20の閉断面内にガイド部25に支持された状態で設けられ、車幅方向から見た側面視で、少なくとも一部が、バッテリ14とオーバーラップしている補強部材30と、を備えた車体下部構造10とする。【選択図】図2


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    Titel :

    VEHICLE BODY LOWER PART STRUCTURE


    Weitere Titelangaben:

    車体下部構造


    Beteiligte:

    Erscheinungsdatum :

    2018-06-14


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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