VEHICLE FRAME STRUCTURE

摘要

A frame structure of a vehicle has: a frame member that is formed in a closed cross-sectional shape having plural first wall portions and plural first corner portions, and that configures a frame of a vehicle; and a reinforcing member that is made of a fiber reinforced resin, and that is formed in a closed cross-sectional shape having plural second wall portions and plural second corner portions, and that is disposed within the closed cross-sectional shape of the frame member such that the plural second corner portions contact the plural first wall portions or the plural first corner portions respectively, the plural second wall portions facing the plural first wall portions or the plural first corner portions respectively, forming plural closed cross-sectional shapes.

主权项

1. A vehicle frame structure comprising:
a frame member that is formed in a closed cross-sectional shape with a plurality of first wall portions and a plurality of first corner portions, the frame member configuring a vehicle frame; and a reinforcing member that is made of a fiber reinforced resin, the reinforcing member being formed in a closed cross-sectional shape with a plurality of second wall portions and a plurality of second corner portions, the reinforcing member being disposed within the closed cross-sectional shape of the frame member such that the plurality of second corner portions contact the plurality of first wall portions or the plurality of first corner portions respectively, and the plurality of second wall portions facing the plurality of first wall portions or the plurality of first corner portions respectively, forming a plurality of closed cross-sectional shapes; wherein, as seen in a cross-section viewed from a length direction of the frame member, wall surfaces of the plurality of second wall portions, that face the plurality of first wall portions or the plurality of first corner portions respectively, are formed in shapes of curved surfaces that are recessed toward an inner side of the frame member.