Slip hinge and use floated window of this slip hinge

The utility model relates to a slip hinge and use floated window of this slip hinge. The slip hinge includes the rocker, and the rocker has the casement hinge point that is used for hinging on the casement and is used for just orbitally to rail portion to the window frame all the time, is equipped with or is connected with the strong point on the rocker, and the strong point is arranged in to theposition of rail portion, with the position that flushes rail portion and keep away from the at least department in position of casement hinge point certainly to rail portion. When the strong point was located rail portion, the strong point and the rocker strong point on the window frame flushed, and the strong point can not flexible deformation outside the window frame, and be located when keeping away from the position of casement hinge point to rail portion at the strong point to the strong point of rocker on the window frame is the fulcrum, and the casement cuts with scissors a little andthe effort mutual equilibr