Shell for rail transit vehicle

The utility model relates to the technical field of rail transit, and discloses a shell for a rail transit vehicle, which solves the problem that at present, when a metro is started or stopped, standing passengers are easy to collide with a metro shell, so that the passengers are easy to be injured, and comprises a shell, vehicle doors are arranged on two sides of the shell at equal intervals, and the metro is arranged in the shell. Buffer mechanisms located on the inner side of the shell are installed on the two sides of the vehicle door correspondingly, each buffer mechanism comprises an installation frame fixed to the inner side of the shell, an installation plate is installed on one side of each installation frame, and a buffer plate is fixedly installed on one side of each installation plate; according to the utility model, through the cooperation between the mounting plate and the fixed plates as well as between the rotating rods and the sliding plates, when a passenger collides with the buffer plate, t