| 摘要 |
PROBLEM TO BE SOLVED: To provide a front pillar structure with a front pillar formed by aluminum alloy die-casting, allowing the efficient absorption of impact energy and sufficiently suppressing the deformation of a front door opening. SOLUTION: The front pillar structure comprises the front pillar 11 formed by the aluminum alloy die-casting for connecting a floor side member 13 of a vehicle body to a side rail 12, wherein a load on an upper front end 11c of the front pillar 11 at the front side of a vehicle can be transmitted via an upper rear end 11a of the front pillar 11 to the side rail 12 and a reinforcing material 21b provided on a belt line of a front door assembled on the front pillar 11. The upper rear end 11a of the front pillar 11 is in a highly rigid structure, and a deformable portion 11h inferior in strength to the reinforcing material 21b and the upper rear end 11a and capable of absorbing energy is provided between the upper rear end 11a and the upper front end 11c.
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