Modularized installation system for telescopic indoor metal curtain wall

The utility model provides a telescopic indoor metal curtain wall modular installation system. The telescopic indoor metal curtain wall modular installation system is characterized in that the telescopic indoor metal curtain wall modular installation system comprises a hanging assembly and a metal panel; wherein the hanging assembly comprises a transverse keel, a conversion corner connector and a hanging piece A; the right-angle surface on one side of the conversion corner connector is fixed on the transverse keel; the hooking piece A is fixed on the right-angle surface on the other side of the conversion corner connector; a hanging piece B is fixed on the metal panel; the hooking piece A is matched with the hooking piece B, and detachable assembly is achieved in an inserting mode; an extension strip is arranged on the inner surface of the edge of the metal panel; and the extension strips abut against the inner surfaces of the adjacent metal panels. The telescopic indoor metal curtain wall is installed in a m