Patent ID: 8511413

Claim:
A battery mounting structure for an electric automobile, the battery mounting structure comprising: a battery case containing a battery cell; a battery case holder arranged in a vehicle body of the electric automobile, wherein the battery case holder is capable of accommodating the battery case; a battery fastening mechanism that fastens the battery case, which is accommodated in the battery case holder, to the vehicle body; and a battery case guiding mechanism that guides the battery case to the battery case holder when the battery case is raised from below the vehicle body and accommodated in the battery case holder, wherein the battery case includes four side surfaces facing front, rear, left, and right directions, a first corner formed by two first side surfaces, among the four side surfaces, intersecting each other at a right angle, and a second corner formed by two remaining second side surfaces, among the four side surfaces, intersecting each other at a right angle, wherein the battery case guiding mechanism includes a case side member arranged at a portion of each of the first side surfaces near the first corner and a portion of each of the second side surfaces near the second corner, and a vehicle body side member arranged on the vehicle body, wherein the vehicle body side member can contact the case side member, and wherein one of the case side member and the vehicle side member includes a convex-curved surface, and the other one of the case side member and the vehicle side member includes an inclined surface that can contact the convex-curved surface.