Municipal administration well lid

The utility model discloses a municipal administration well lid, including the well lid main part, the outer wall fixed mounting of well lid main part has the fixture block, the upper surface circumference of well lid main part all is equipped with the through -hole, the barrel is installed to the bottom of well lid main part, the closure plate is installed to the inner wall of well lid main part, the free section of thick bamboo of bottom installation of closure plate, the inner chamber of an empty section of thick bamboo is filled has the low -density gaseous, the top outer wall central point of an empty section of thick bamboo puts to install and aerifys the hole, aerify the top in hole and install the seben, the supporting seat is installed to the inboard of barrel, the supporting seat passes through the support body and links to each other with the barrel, the supporting seat passes through resetting means and links to each other with an empty section of thick bamboo, resetting means includes device shel