Protective well lid for water supply and drainage

The utility model discloses a protective well lid for water supply and drainage, and relates to the technical field of water supply and drainage engineering, the protective well lid for water supply and drainage comprises a well lid main body, the outer wall of the top end of the well lid main body is contacted with a base, the outer wall of the bottom end of the base is fixedly connected with a plurality of groups of non-slip mats, and the outer wall of the top end of the base is elastically connected with a wedge block A through a spring A; the outer wall of the top end of the base is connected with a plurality of sets of blocking strips in a clamped mode, two sets of clamping grooves A are formed in the outer wall of the bottom end of each blocking strip, and the inner wall of the top end of each blocking strip is elastically connected with a wedge block B through a spring B. The clamping grooves A are connected with the wedge blocks A in a clamped mode, the wedge blocks B are connected with the clamping g