To provide a vehicle body frame structure which can be applied for various kinds of vehicles.SOLUTION: A vehicle body frame structure of a saddle-riding type vehicle comprises: a main frame including a first frame part extended in a vehicle body longitudinal direction, and a second frame part extended downward of a vehicle body from a rear portion of the first frame part; and a seat rail including a first rail part which is joined to the first frame part and is extended in the vehicle body longitudinal direction, and a second rail part which is joined to the second frame part and is extended in vehicle body rear upward. At least two of a junction between the first frame part and the first rail part, a junction between the second frame part and the second rail part, and a junction between the first rail part and the second rail part have a planar shape, and sizes of planes of respective members at respective junctions are different from each other.SELECTED DRAWING: Figure 3

    【課題】様々な車種に適用可能な車体フレーム構造を提供する。【解決手段】鞍乗型車両の車体フレーム構造であって、車体前後方向に延設された第1フレーム部と前記第1フレーム部の後方部から車体下方に延設された第2フレーム部とを含むメインフレームと、前記第1フレーム部と接合し車体前後方向に延設された第1レール部と、前記第2フレーム部と接合し車体後上方に延設された第2レール部とを含むシートレールと、を備え、前記第1フレーム部と前記第1レール部との接合部、前記第2フレーム部と前記第2レール部との接合部、及び前記第1レール部と前記第2レール部との接合部のうち、少なくとも2つが平面形状を有し、各接合部において接合する各部材の平面の大きさが異なる。【選択図】図3


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    Title :

    VEHICLE BODY FRAME STRUCTURE OF SADDLE-RIDING TYPE VEHICLE


    Additional title:

    鞍乗型車両の車体フレーム構造


    Contributors:

    Publication date :

    2022-10-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62K Fahrräder , CYCLES



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