Assembled well lid

The utility model relates to the technical field of well lids, and discloses a split mounting type well lid which comprises a plurality of cover plates which are sequentially and adjacently arranged on a well mouth and seal the well mouth, each cover plate comprises a frame body, a containing cavity with an opening in the top is formed in each frame body, and the containing cavities are filled with concrete to form concrete blocks. The two sides of each frame body are respectively provided with a straight strip side edge, and the straight strip side edges of the adjacent frame bodies are in butt joint with each other. The split mounting type well lid comprises a plurality of cover plates, according to the size of a well mouth, a proper number of cover plates can be selected to be sequentially arranged and combined to seal the well mouth, and the split mounting type effect of the well lid is achieved. The well lid is arranged in a split mode, each cover plate is small in size and easy to install and operate, w