Connecting structure for outer sunshade stand column and gutter of multi-span film greenhouse

The utility model discloses a connecting structure of an external sunshade stand column and a gutter of a multi-span film greenhouse, and relates to the field of film greenhouse structures. The device comprises a bottom plate arranged at the bottom of an external sunshade stand column of the thin film greenhouse, a drainage gutter structure and a hot galvanizing bolt for fixed connection, scraping edges attached to inclined side walls arranged on the inner side of the drainage gutter structure are arranged on the two sides of the bottom plate, through holes are formed in the scraping edges, and the scraping edges are fixedly connected with the side walls of the drainage gutter structure after hot galvanizing bolts penetrate through the through holes. A drainage spacing with a safe distance is vertically arranged between the bottom plate and the inner bottom surface of the drainage gutter structure; the bottom plate is a hot-dip galvanized steel plate. The roof gutter structure has good corrosion resistance, t