Theftproof warning inspection shaft lid

The utility model provides a theftproof warning inspection shaft lid belongs to inspection shaft lid field, it has solved the yi stolen problem of current inspection shaft lid. The utility model discloses an inspection shaft lid and cast iron seat, the inspection shaft lid upwards is equipped with the fixed slot in week, the fixed slot notch is equipped with to keep off follows, there is the bolt through spring elastic connection in the fixed slot, be equipped with the locating hole on the cast iron seat, cast iron seat periphery still is connected with fixed box, locating hole one end is located fixed box, the bolt stretches into in the fixed box through the locating hole, and it is fixed through the nut, still be equipped with main articulated portion and vice articulated portion on the cast iron seat, still warn pole and pair warning pole including the owner who articulates respectively in main articulated portion and vice articulated portion, the main warning still is equipped with the torsional spring between pole and the main articulated portion, the one end that vice articulated portion was kept away from to vice warning pole is connected with the cast iron seat through the buckle of establishing on the cast iron seat, the main pole of warning supports respectively on the inspection shaft covers the bottom with vice warning pole and is the cross setting. This inspection shaft lid can avoid stolen, and can in time warn after stolen.