Drainage gutter structure for greenhouse

The utility model discloses a drainage gutter structure for a greenhouse. The connecting structure comprises a U-shaped groove, a ridge connecting piece and a mounting seat, the ridge connecting pieceis arranged at the top of the U-shaped groove; the two ends of the U-shaped groove are connected with the top ends of the two side edges of the U-shaped groove respectively. The top ends of the two side edges of the U-shaped groove are each provided with a first groove, the appearance of the installation base is matched with the U-shaped groove, the end portions of the two side edges of the installation base are each provided with a first buckle, the U-shaped groove is wrapped with the installation base, and the first buckles are arranged in the first grooves to achieve connection between theinstallation base and the U-shaped groove. The two ends of the drainage gutter are connected with the ridge herringbone beams on the two sides at the same time through the buckle structures, connection of the two ridges is ac