Patent ID: 8511412

Claim:
A frame structure for mounting a battery module in a vehicle, comprising: a pair of left and right side frames that are fixed along vehicle side members extending in a front-back direction of the vehicle on both sides in a width direction of the vehicle; a front frame that is fixed between front end parts of the left and right side frames; a rear frame that is fixed between rear end parts of the left and right side frames; a base frame that is fixed between the front frame and the rear frame; a front mounting frame that extends in the width direction of the vehicle and fixedly carries a front side of the battery module on a front side of the base frame; and a rear mounting frame that extends in the width direction of the vehicle and fixedly carries a rear side of the battery module on a rear side, each one of the pair of left and right side frames being an aluminum extruded material, and integrally formed with a fixing bracket part that is fixed to one of the vehicle side members and a carrying bracket, and both end parts of the front frame being mounted on and fixed to the carrying brackets of the pair of left and right side frames so as to form a bridge between the front end parts of the left and right side frames, and both end parts of the rear frame being mounted on and fixed to the carrying brackets of the pair of left and right side frames so as to form a bridge between the rear end parts of the left and right side frames.