Landscape is with sewer well lid structure that has sight

Landscape is with sewer well lid structure that has sight, including well lid body, reference column and spacing post, the circular limit mouth of four symmetric distributions is offered at the borderon the well lid body, the central through hole has been seted up at well lid body center, and the central through hole passes the well lid body and extends downwards, the around the Center through -hole is provided with the crescent's of three symmetric distribution floating valve on the well lid body, and detains in petal -like recess in the floating valve, two limit mouths at both ends respectively are provided with a set of claviform recess within a definite time about well lid body upper surface, the overflow tank of the peripheral cask of the extension end form of well lid body bottom floating valve, overflow tank open -top goes up fixed welding has three spacing posts, and the middle part of spacing post is corresponding with the reference column that sets up in the floating valve bottom. The utility model