Door and window corner waterproof structure

The utility model discloses a door and window corner waterproof structure which comprises an installation frame, a first connecting base is fixedly installed on the front face of the top of the installation frame, a first sliding groove is formed in the bottom of the front face of the first connecting base, a linkage structure is installed in the first sliding groove in a sliding mode, and the linkage structure is composed of two sliding blocks, two connecting rods and a rotating shaft. The two sliding blocks slide correspondingly to drive the two connecting rods to move, so that the rainproof cloth is opened, the sleeve and the sleeve rod stretch out and draw back to play a role in fixing, impact of rainwater on the door and window is reduced, the waterproof effect of the door and window is enhanced, ventilation can be conducted without closing the door and window, when the window slides, the fixing block and the sponge are driven to move, and the fixing effect is good. Rainwater in the second sliding groove