Submergible public sanitary device having at least one closable walk-in position

A public sanitary device, comprising:

• a housing with one or more walk-in positions, each with a receptacle for human excrement and/or urine, wherein the housing comprises:
• a first housing part intended for placing underground,
• a second housing part received movably in the first housing part, and
• a third housing part received movably in the second housing part,
• wherein the sanitary device comprises a drive for moving the second and third housing parts between an underground rest position and an above-ground position of use, characterized in that at least one of the walk-in positions is provided with a door for closing the walk-in position and that the door comprises a first and a second door segment, which door segments are movable in longitudinal direction relative to each other, wherein the second door segment is received slidably in the first door segment, wherein the second housing part comprises the first door segment and wherein the third housing part comprises the second door segment, wherein the second door segment is provided on the underside with a widened base and wherein the first door segment takes a hollow form and is provided on the upper side with a narrowed longitudinal opening in which the base is received, wherein the door is movable in the position of use in transverse direction of the housing between an open position and a closed position, wherein in the open position the door is received at least partially in the housing, wherein the second door segment is mounted on to a rail extending along an inner surface of the third housing part and wherein the first door segment is mounted on to a rail extending over the bottom of the second housing part.