Circle structure of well festival of snake bone

The utility model relates to a circle structure of well festival of snake bone, including annular body, the both ends of annular body are equipped with first engaging lug of two and two second engaging lug respectively, a connecting shaft hole is provided on the first engaging lug, be equipped with the 2nd connecting shaft hole on the second engaging lug, just the 2nd connecting shaft hole's aperture is greater than a connecting shaft hole's aperture, its innovation point lies in: also be equipped with on the first engaging lug and clamp the opening with a connecting shaft hole goes through mutually, an axial threading groove is provided on the inside wall of annular body. The utility model has the advantages of the dress of need not riveting, be convenient for to join in marriage, and production efficiency is high to and manufacturing cost has been reduced.