| 摘要 |
PROBLEM TO BE SOLVED: To provide a protective lid capable of being surely prevented from slipping out of an opening with a simple structure, and capable of surely preventing inflow of rainwater into the opening.SOLUTION: A water cut-off protective lid 1 includes a lid body 20 and a fixing pedestal 30. The lid body 20 is formed to cover an opening of a floor sleeve 3. A seal part 26 brought into contact with an upper surface of an attachment surface 2 and a columnar part 23 downward protruded and having a male screw 24 on a peripheral surface thereof are provided on a lower surface of the lid body 20. The fixing pedestal 30 has a cylindrical part 31 inserted into the floor sleeve 3, and a female screw 33 into which the male screw 24 is screwed from the upper side. By screwing the male screw 24 into the female screw 33, a part of the cylindrical part 31 is extended to the radially outer side. |
