Flexible stair of automation of assembled building

The utility model provides a flexible stair of automation of assembled building, it include fixed mounting at the fixed plate at building edge, inwards cave in and have the installation frid in the middle part of fixed plate, articulated base is installed to the symmetry on the inside wall of installation frid, the articulated hydro -cylinder of installing on the articulated base, the piston rod of hydro -cylinder links to each other with lever actuating mechanism, lever actuating mechanism links to each other with the flexible stair device of the multistage rhombus that is used for stair to extend to it is flexible to drive it. The automatic flexible stair of here are installed at the assembled building, and the convenience of its operation has been improved to its automatic stretching out and drawing back of realization that can be convenient, and its simple structure is stable high, safe in utilization moreover. 本实用新型提供了装配式楼阁的自动伸缩楼梯，它包括固定安装在楼阁边缘的固定板，所述固定板的中间部位向内凹陷有安装槽板，所述安装槽板的内侧壁上对称安装有铰接底座，所述铰接底座上铰接安装有油缸，所