Hand-operated outward-hung window capable of preventing rainwater from flowing backwards

The utility model discloses a hand-operated type external suspended sash window capable of preventing rainwater from flowing backwards, and relates to the technical field of suspended sash windows. Comprising a window frame and a window sash, water retaining strips are fixedly connected to the inner walls of the periphery of the window frame, a bottom slope is arranged at the bottom of the window frame, a plurality of drainage grooves are formed in the surface of the top of the bottom slope, a protruding block is fixedly connected to the bottom of one side of the window sash, and a round hole is formed in the middle of the protruding block; the two ends of the top of the window sash are fixedly connected with first connecting blocks. Rainwater can be rapidly drained through the design of the inclined face at the bottom of the window frame, the drainage groove in the inclined face can increase the drainage speed of the rainwater, the water retaining strip on the inner side of the window can prevent the risk th