Meter box structure equipped with rotatable protective cover

Provided is a meter box structure equipped with a rotatable protective cover. The meter box structure equipped with a rotatable protective cover comprises a protective cover and a box cover. A round of protruded block is disposed on the central position of the box cover and surrounds a groove the interior of which is in a regular inverted-trapezoid-table shape. A round of step is arranged on the inner wall of the groove. A round of sealing flange is disposed on the edge of the horizontal surface of the step and vertical to the horizontal surface. A rectangular through hole is disposed on the bottom of the groove. A plurality of broken bars symmetrical about the rectangular through hole are arranged on the two sides of the rectangular through hole. The protruded block is equipped with a lock slot used for locking the protective cover. A lock ring is arranged in the lock slot. The sealing structure of the protective cover is in a rectangular plate shape. A round of sealing surrounding edge in cooperation with t