| 摘要 |
PURPOSE: An odor prevention lid for a sewer is provided to prevent the odor from coming out of the sewer, thereby reliving the displeasure of people. CONSTITUTION: An odor prevention lid for a sewer comprises a lid(10), a hinge(20), a sinker(30), and a fastening unit(40). The lid prevents the odor from escaping into ambient air, and is connected to the outer barrel of the hinge together with the sinker. The hinge helps the lid to be opened when it rains, and includes an inner barrel(21) and an outer barrel(22). The sinker let the lid be closed, and is connected to the outer barrel of the hinge together with the lid. The fastening unit is connected to the inner barrel of the hinge and is configured to fasten the odor prevention lid for a sewer in the inside of the sewer. |
