Offensive odor prevention and foreign body influx interception spill way handguard

摘要

A drainage way cover for the odor prevention and foreign substance inflow prevention is provided that the inflow of foreign material which the volume is small is prevented. A drainage way cover(1) for the odor prevention and foreign substance inflow prevention comprises a cover unit(10) closing the top of drainage way, and a buoyancy unit(20) installed at the lower part waterway of the cover unit, The cover unit prevents the inflow of the foreign material and bad smell is emitted in the normal times. The cover unit opens the covering means in the rain so that drainage smoothly get accomplished. The cover unit comprises an opening/closing plate(15). A plurality of inlet holes(15a) are formed in the opening/closing plate.