Patent ID: 8672354
Filing Date: 2014-03-18
Classification: B60K,B60L,B62D,Y02T

Abstract:
1. An underbody for an electric vehicle, comprising: a multiply divided battery mounting portion enabling multiply divided and selective mounting of batteries, and forming a portion of the underbody; and an underbody portion connected to the battery mounting portion and forming another portion of the underbody, wherein the multiply divided battery mounting portion comprises: an upper floor member and a lower floor member defining a battery sliding mounting space; and a plurality of floor cross members bonded between the upper and lower floor members with predetermined intervals therebetween, and defining at least one battery mounting space, for maintaining strength, wherein the underbody portion is a reinforcing underbody portion comprising at least a partial extending portion, wherein the reinforcing underbody portion comprises a front and rear side member bonded to and extending from both sides of a multiply divided battery mounting portion provided as a floor portion, the front and rear side member comprising an extending portion formed on at least a portion thereof for reinforcing strength, and wherein the side member is bonded to either side floor cross member provided on the multiply divided battery mounting portion provided as a floor portion, and comprises a curved portion for reinforcing strength against bending and a horizontal portion for mounting auxiliary components, and the extending portion is provided at the bonding portion of the floor cross member.