Water drop structure for automatic filtering, regulation and storage of channel for sponge city construction

The invention discloses a water drop structure for automatic filtering, regulation and storage of a channel for sponge city construction. The water drop structure comprises reinforced concrete structure walls on the two sides and a rubble masonry wall arranged between the reinforced concrete structure walls on the two sides, wherein the space between the rubble masonry wall and the reinforced concrete structure walls on the two sides is filled with rubble water filtering layers; a water passing pipe communicating with the rubble water filtering layers on the two sides is arranged in the rubblemasonry wall; and water drop stone is arranged at the top of the rubble masonry wall. According to the water drop structure for automatic filtering, regulation and storage of the channel, the water drop structure for automatic filtering, regulation and storage of the channel is designed by utilizing the sponge city construction concept according to the current situation that existing city water drop does not have the reg