Metal buckle

The utility model discloses a metal buckle, include by long strip shaped metal board bend form have an open -ended retaining snap ring, retaining snap ring is in the open -ended left and right sides has mutually the first folded plate and the second folded plate of outside fold privately respectively, first folded plate with form the first draw -in groove of indent between the retaining snap ring, the second folded plate with form the second draw -in groove of indent between the retaining snap ring, retaining snap ring is in the open -ended left and right sides also has relatively the third folded plate and the fourth folded plate of inside fold respectively, the tip of the inside extension of third folded plate with the tip of the inside extension of fourth folded plate is inconsistent. The metal buckle who adopts this embodiment connects elevator sedan -chair wall, need not operate very convenience with the help of the instrument, but also firm in connection, has improved production efficiency greatly.