PROBLEM TO BE SOLVED: To provide a vehicle body frame structure of a saddle-riding type vehicle that can secure a vehicle body rigidity as well as vehicle body light weighting, improve fuel consumption, and suppress a material cost.SOLUTION: In a vehicle body structure 11 of a saddle-riding type vehicle, where the front frame part 4 and the rear frame part 5 formed of pipe-like members with a power unit mounted, in the rear frame part 5, on the front side bracket 25 provided on the rear frame front part 5f and the rear side bracket provided on the rear frame rear part. The outer diameter of the rear frame part 5 is formed larger than the outer diameter of the front frame part 4, and the front frame rear part 4r of the front frame part 4 is inserted inside of the rear frame front part 5f to be coupled by welding.

    【課題】車体の軽量化とともに車体剛性を確保でき、燃費性能の向上並びに材料コストを抑えることのできる鞍乗型車両の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11であって、フロントフレーム部4およびリアフレーム部5はパイプ状の部材で形成され、リアフレーム部5には、リアフレーム前部5fに設けられた前側ブラケット25およびリアフレーム後部に設けられた後側ブラケットにパワーユニットが取付けられ、リアフレーム部5の外径は、フロントフレーム部4の外径よりも大径に形成され、リアフレーム前部5fの内側にフロントフレーム部4のフロントフレーム後部4rが挿入され溶接結合される。【選択図】図7


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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 :

    2015-09-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62K Fahrräder , CYCLES



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