In a lower vehicle-body structure of an automotive vehicle which comprises a third tunnel reinforcement provided at a lower-face side of a floor tunnel and a first seat-attaching bracket connecting the floor tunnel and a floor panel, the third tunnel reinforcement comprises a front-side contact portion, a middle contact portion, and a rear-side contact portion which respectively contact the floor tunnel, and a first protrusion portion and a second protrusion portion which respectively protrude in a direction leaving from a lower face of the floor tunnel, which are formed integrally. Further, a flange portion of the first seat-attaching bracket is connected to the front-side contact portion, the middle contact portion, and the rear-side contact portion of the third tunnel reinforcement through the floor tunnel.
Lower vehicle-body structure of automotive vehicle
2020-04-14
Patent
Electronic Resource
English