STRUCTURE TO REINFORCE FLOOR OF TRANSPORT VEHICLE BODY Russian patent published in 2015 - IPC B62D25/20 

FIELD: machine building.

SUBSTANCE: structure to reinforce the bottom of a vehicle body comprises the main floor and the back floor, a side sill, a floor tunnel passing in the longitudinal direction of the vehicle, and a vertical wall. The main floor and the back floor are set in the longitudinal direction of the vehicle. The side sill is mounted on the left and right sides of the main floor and the back floor in the transverse direction of the vehicle. The floor tunnel has the cross-section in the form of a cap projecting in the direction of the upper part of the vehicle. The floor tunnel is provided in the middle part of the main floor in the transverse direction of the vehicle and passes in the longitudinal direction of the vehicle. The vertical wall is formed near the front side of the back floor and passes in the vertical direction of the vehicle. The vertical wall of the back floor has continuous form without steps. Half the height of the upper face of the back floor's vertical wall is greater than the half of the height of the side sill's upper face. Half the height of the upper face of the side sill is greater than the half of the height of the floor tunnel's upper face.

EFFECT: increased stiffness of the floor and reduced vibration of vehicle body floor.

5 cl, 5 dwg