Fixed type hinge

The utility model discloses a fixed type hinge. The fixed type hinge comprises a fixing strip, a window sash arm and a first connecting rod. The fixed type hinge is characterized by further comprising a second connecting rod and a third connecting rod. The front end of the first connecting rod is hinged to the middle of the window sash arm. A sliding chute which is formed in the length direction of the fixing strip is formed in the inner end portion of the fixing strip, the rear end of the first connecting rod is connected in the sliding chute and can slide along the sliding chute, the front end of the second connecting rod is hinged to the rear end of the window sash arm, the rear end of the second connecting rod is hinged to the middle of the fixing strip, the front end of the third connecting rod is hinged to the middle of the first connecting rod, and the rear end of the third connecting rod is hinged to the middle of the fixing strip. The fixed type hinge meets the using requirement of a flat-opened wind