Inspection shaft lid for municipal works

The utility model discloses an inspection shaft lid for municipal works, it is including installing the base plate on well head step face, and the centre of base plate sets up an axle sleeve, and the both ends of axle sleeve respectively set up a buckle, an installation well lid in the well head step face, the well lid seals whole well head, the lower extreme both sides of base plate respectively set up a limiting plate, and the limiting plate is " L " type, and limiting plate one end connection base plate one end is inserted in the well head inner wall, the bottom of axle sleeve sets up a screw, and through screw thread fit connection between a movable mounting double -screw bolt in the screw, double -screw bolt and screw, the both sides of double -screw bolt respectively set up a guard plate, and two guard plate accessible double -screw bolts are realized and axle sleeve 360 degrees rotations within a definite time. The utility model discloses simple structure, with the well lid suit in the axle sleeve, acc