PROBLEM TO BE SOLVED: To provide a vehicle body lower part framework structure that can suppress a vehicle interior part in which an occupant exists from being deformed by dispersing efficiently a collision load to a non-collision side of a lower framework part.SOLUTION: The vehicle body lower part framework structure, which supports a lower part of a vehicle interior part 1 in which are arranged a front seat 7 and a rear seat 11, comprises: side members 19 that are arranged in pairs at both sides in a vehicle width direction of the lower part of the vehicle interior part and extend along a longitudinal direction of a vehicle body; a front seat cross member 29 that is extended along the vehicle width direction below the front seat and connects the side members; a rear seat cross member 31 that is extended along the vehicle width direction below the rear seat and connects the side members behind the front seat cross member; and connecting members 45 that are extended along a vehicle longitudinal direction, closer to inside in the vehicle width direction than the side members, and connect the front seat cross member to the rear seat cross member. Sites at both end sides of the front seat cross member and the rear seat cross member are formed respectively into branch structures which are branched in a fork-shape in the vehicle body longitudinal direction.SELECTED DRAWING: Figure 3

    【課題】本発明は、衝突荷重を下部骨格部の非衝突側へ効率よく分散させることにより、乗員の居る車室部の変形を抑制可能とした車体下部骨格構造を提供する。【解決手段】本発明は、フロントシート7、リヤシート11が配置される車室部1の下部を支える構造で、車室部の下部の車幅方向両側に一対で配置され、車体前後方向に沿って延びるサイドメンバ部材19と、フロントシートの下側で車幅方向に沿って延設され、サイドメンバ部材間を連結するフロントシートクロスメンバ29と、リヤシートの下側で車幅方向に沿って延設され、フロントシートクロスメンバの後方でサイドメンバ部材間を連結するリヤシートクロスメンバ31と、サイドメンバ部材より車幅方向内側で車両前後方向に沿って延設され、フロントシートクロスメンバとリヤシートクロスメンバとを連結する連結部材45とを備え、フロントシートクロスメンバおよびリヤシートクロスメンバの車幅両端側の部位をそれぞれ車体前後方向で二股状に分岐する分岐構造とした。【選択図】図3


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    Titel :

    VEHICLE BODY LOWER PART FRAMEWORK STRUCTURE


    Weitere Titelangaben:

    車体下部骨格構造


    Beteiligte:

    Erscheinungsdatum :

    2016-09-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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