Door and window drainage structure

The utility model provides a door and window drainage structure, which belongs to the technical field of doors and windows and comprises a window frame and a window sash, sliding rails are arranged at the upper end and the lower end of the window frame, a plurality of water through holes are arranged on the lower end sliding rail, a drainage channel is arranged at the lower end of the lower end sliding rail, the water through holes are communicated with the drainage channel, and the drainage channel is communicated with a drainage pipe. An anti-blocking structure is arranged in the drainage channel; a pair of slots is formed in the inner wall of the drainage pipe, an anti-blocking ball is arranged in the drainage pipe, a through hole is formed in the middle of the anti-blocking ball, and arc-shaped baffles are arranged at the upper end and the lower end of the through hole in a staggered mode respectively; connecting columns are arranged on the two sides of the anti-blocking ball, two connecting holes corresp