PROBLEM TO BE SOLVED: To obtain a vehicle frame structure capable of finely transmitting a collision load by preventing or suppressing the folding of a supporting portion at a rear end portion of a front side member body portion upon a font surface collision of a vehicle, even when the front side member body portion is arranged while inclining to the vehicle width direction outer side toward a vehicle front side.SOLUTION: A front side member root portion 44 connects a rear end portion of an outer side wall portion 46A of a front side connecting portion 46 joined with a front side member body portion 42 and a front end flange portion 50A of a rear side first connecting portion 50 joined with a locker 24, with a first curved wall portion 54; and connects a rear end portion of an inner side wall portion 46B of the front side connecting portion 46 and a front end portion of a rear side second connecting portion 52 joined with a tunnel 22, with a second curved wall portion 56. The minimum curvature radius R1 in a curved shape of the first curved wall portion 54 is set to be larger than the minimum curvature radius R2 in the curved shape of the second curved wall portion 56.SELECTED DRAWING: Figure 1

    【課題】フロントサイドメンバ本体部を車体前方側へ向けて車体幅方向外側に傾斜させて配置しても、車両の前面衝突時にフロントサイドメンバ本体部の後端部の支持部の折れ曲がりを防止又は抑制することで衝突荷重を良好に伝達することができる車両骨格構造を得る。【解決手段】フロントサイドメンバ根元部44は、フロントサイドメンバ本体部42に接合された前側接続部46の外側側壁部46Aの後端部と、ロッカ24に接合された後側第一接続部50の前端フランジ部50Aとを、第一湾曲壁部54で繋ぐと共に、前側接続部46の内側側壁部46Bの後端部と、トンネル22に接合された後側第二接続部52の前端部とを、第二湾曲壁部56で繋いでいる。第一湾曲壁部54の湾曲形状における最小の曲率半径R1は第二湾曲壁部56の湾曲形状における最小の曲率半径R2よりも大きく設定されている。【選択図】図1


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    Titel :

    VEHICLE FRAME STRUCTURE


    Weitere Titelangaben:

    車両骨格構造


    Beteiligte:
    SASAKI TAKASHI (Autor:in)

    Erscheinungsdatum :

    2017-04-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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