High performance curtain austral window, sliding sash system

The utility model discloses a high performance curtain austral window, sliding sash system, including window frame and push -and -pull fan, the window frame is fixed on the crossbeam and stand of curtain, sets up the guide rail on the window frame, and the push -and -pull fan sets up in the window frame to through the guide part on the push -and -pull fan with guide rail cooperation on the window frame forms push -pull configuration, push -and -pull fan is including push -and -pull fan frame and glass board, sets up joint strip on the circumference contact surface of glass board and push -and -pull fan frame, and joint strip be U type section, and joint strip's three side sets up respectively on the terminal surface of glass board and two sides, seals firmly the gap between glass board and the push -and -pull fan frame, push -and -pull fan frame with set up the sealing strip between the window frame and realize among them sealed. The utility model discloses obviously improved watertight that the curtain pushe