SLIDING PLUG DOOR OF PASSENGER VEHICLE Russian patent published in 2024 - IPC B61D19/02 B60J5/06 

FIELD: transport machine building.

SUBSTANCE: invention relates to the field of transport machine building, namely to the structures of the sliding plug door drives of the passenger vehicles. Sliding plug door of a passenger vehicle comprises at least one flap (1) with a drive mounted on the body wall above the opening frame, threshold (3) installed in the lower part of the body door opening frame, means for providing the flap extension from the door opening frame to open the door and the flap leaning against the door opening frame when the door is closed, device for extending the lower part of the flap, which provides movement of the flap extended from the frame of the door opening in parallel to the outer wall of the passenger vehicle when the door is opened, and a device for fixing the closed flap in the frame of the door opening. Flap lower part extension means comprises lever (2) fixed on passenger vehicle body with possibility of rotation around vertical axis, at least one roller is installed on the lever, which interacts with a cam mounted on the flap. Fixation device installed in the lower part of the flap consists of at least one wedge installed on the flap and a mating wedge installed under the threshold.

EFFECT: invention provides for the perception of external loads acting on the flap by the wedge retainers rigidly fixing the lower part of the flap in the closed position.

2 cl, 3 dwg