Automatic plug -type apron is used to staircase

The utility model discloses an automatic plug -type apron is used to staircase, including first body, first body covers on the frame, and the frame is fixed on the truss of cabin, and first body passes through the connecting piece with the second body and is connected, is equipped with the spout on the second body, and the cover of second body is on the floor floor, the connecting piece includes first body connecting piece and second body connecting piece, and first body connecting piece and second body connecting piece are articulated, be equipped with the mounting hole on the first body connecting piece, the mounting hole is connected with first body, and second body connecting piece is equipped with the guide pulley for on the hollow and second body connecting piece, and the introduction is installed in the spout and can be rolled along spout length direction. Beneficial effect lies in: plug -type apron simple structure, the part is few, and the installation is swift, and the switching is convenient, maint