UNDERFLOOR STRUCTURE OF VEHICLE

摘要

PROBLEM TO BE SOLVED: To improve strength for supporting an engine by suppressing lateral vibration of a support member.SOLUTION: An underfloor structure of a vehicle includes: right and left side members 24 extend to a front-back direction of a vehicle; locker rails 29 which extend in a front-back direction of the vehicle at a position on the outside in a vehicle width direction of the side members 24 and form both of right and left end parts of the underfloor of a vehicle chamber; a support member 30 which is bridged between the right and left side members 24 in a state of extending in the vehicle width direction and is connected to the lower parts of the side members 24; an engine mount 35 which is mounted on the top surface of the support member 30 and supports part of an engine Em; and a connection member 40 with which the lower parts of the side members 24 and the locker rails 29 are connected at a position on the line where the support member 30 extends in plan view, or at the front or back of the support member 30.SELECTED DRAWING: Figure 4