Vehicle seat with securing device for a support element

A vehicle seat (1) comprising a first segment (20), a second segment (18) and a central segment (19), the first segment (20), the second segment (18) and the central segment (19) respectively comprising a seat part (2, 2′, 2″) and wherein the seat part (2′) of the central segment (19) is stowed under the seat part (2) of the first segment (20) when the vehicle seat is in a stowage position, and further wherein the central segment (19) is connected to the first segment (20) when the vehicle seat is in a use position, the central segment (19) comprising a support element (13, 13′, 5) for contacting the second segment (18) when the vehicle seat is in the use position, and wherein the support element (13, 13′, 5), when the vehicle seat is in the use position, is secured relative to a movement in a Z-direction and a Y-direction by means of at least one securing device (12, 12′, 14).