Fireproof window with improved fire resistance and heat insulation

The utility model discloses a fireproof window with improved fire resistance and heat insulation, and relates to the technical field of fireproof windows, the fireproof window comprises an upper frame, two groups of side frames, a lower frame and fireproof glass, the left side and the right side of the bottom wall of the upper frame are symmetrically provided with the two groups of side frames, and the other ends of the two groups of side frames are fixedly arranged on the top wall of the lower frame; a mounting groove is defined by an upper frame, a side frame and a lower frame, fireproof glass is fixedly mounted in the mounting groove, a fireproof window body is formed, meanwhile, a double-shaft motor is arranged in the upper frame, the two ends of the double-shaft motor are connected with reels, a circle of pull rope is wound around the surfaces of the reels, and the other end of the pull rope is connected with a stretching mechanism. When a fire disaster occurs, the smoke sensor detects a smoke signal, th