PROBLEM TO BE SOLVED: To enhance transfer efficiency of a collision load between a connection member and a front side member, the connection member connecting an apron upper member and the front side member.SOLUTION: In a vehicle body front structure 10, in a case that a collision load F upon a head-on collision is inputted to front parts 50F of connection members 50 which extend from a front end part of an apron upper member 36, projection members 54 which project from a front part of a side member body 28 to a vehicle width outside direction can be let interfere with the front parts 50F from a vehicle rear side. By means of this, transfer efficiency of the collision load F between the connection members 50 and the front side members 20 can be enhanced. Furthermore, since the connection members 50 are formed in a hollow shape, deformation of the front parts 50F due to the collision load F can be suppressed. Therefore, the load transfer efficiency in a case of transferring the collision load F to the front side members 20 through the projection members 54, from the front parts 50F can be enhanced.

    【課題】エプロンアッパメンバとフロントサイドメンバとを連結する連結部材とフロントサイドメンバとの間での衝突荷重の伝達効率を向上させる。【解決手段】車体前部構造10では、エプロンアッパメンバ36の前端部から延出された連結部材50の前部50Fに対して前面衝突時の衝突荷重Fが入力された際には、サイドメンバ本体28の前部から車幅方向外側へ突出した突出部材54を、前部50Fに対して車両後方側から干渉させることができる。これにより、連結部材50とフロントサイドメンバ20との間での衝突荷重Fの伝達効率を向上させることができる。しかも、連結部材50は中空状に形成されているため、衝突荷重Fによって前部50Fが変形することを抑制できる。それにより、前部50Fから突出部材54を介してフロントサイドメンバ20に衝突荷重Fを伝達する際の荷重伝達効率を向上させることができる。【選択図】図1


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    Title :

    VEHICLE BODY FRONT STRUCTURE OF AUTOMOBILE


    Additional title:

    自動車の車体前部構造


    Contributors:

    Publication date :

    2015-12-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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