| 摘要 |
PROBLEM TO BE SOLVED: To ensure a crushing margin of a front side frame while certainly fixing an engine mount on the front side frame. SOLUTION: The front part structure of a vehicle comprises: the front side frame 11 extending in a fore-and-aft direction of a vehicle, and having a closed cross-section S formed by an upper surface portion 11c, a side surface portion 11d, a side surface portion 11e arranged on the outer side in a vehicle width direction than the side surface portion 11d, and a lower surface portion 11f; and the engine mount 21 fastened and fixed on an upper surface portion 11c of the front side frame 11 by a bolt 41 extending in a vertical direction and a nut portion 42 screwed with the bolt 41. The front side frame 11 extends in the fore-and-aft direction of the vehicle, and has throttling portions 11g, 11h wherein middle parts in the vertical direction in the side surface portions 11d, 11e are throttled in a direction narrowing the closed cross-section S. The nut portion 42 is united to inner walls of the throttling portions 11g, 11h. COPYRIGHT: (C)2009,JPO&INPIT
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