Permanent buckling structure for ornament

The utility model relates to the technical field of ornament connecting pieces, in particular to a permanent buckling structure for ornaments. The fastener comprises a male fastener body and a female fastener body, the male fastener body comprises a limiting part, extending parts, arc-shaped connecting parts and abutting parts, the extending parts are symmetrically and fixedly connected to the upper end of the limiting part, and the abutting parts are fixedly connected to the upper ends of the two extending parts through the arc-shaped connecting parts; a connecting cavity is formed in the female fastener, a placement groove communicating with the connecting cavity is formed in the outer wall of the female fastener, positioning convex blocks are symmetrically and fixedly connected to the inner wall of the connecting cavity, and the lower ends of the two abutting parts abut against the upper ends of the two positioning convex blocks correspondingly; through the arrangement of the two extending parts, the arc-s