Metal buckle

The utility model belongs to the technical field of fasteners. The metal inserting buckle comprises a male buckle and a female buckle, the male buckle is provided with a protrusion, the protrusion comprises an assembling face and an abutting block, an elastic arm is pivoted to the assembling face, a torsional spring is arranged between the assembling face and the elastic arm, a protruding buckle part is arranged at the top end of the elastic arm, a pressing part is arranged on the outer side of the elastic arm, and a guide sliding part is arranged between the protruding buckle part and the pressing part. The female buckle comprises a buckling cavity, the buckling cavity is provided with an inserting opening, abutting parts are arranged on the two sides in the inserting opening, pressing openings are formed in the two sides of the buckling cavity, guiding buckle blocks are arranged in the pressing openings, each guiding buckle block comprises a guiding part and a buckling part, and theprotruding buckle parts s