Antitheft locking structure

The invention discloses an antitheft locking structure which comprises a bottom plate and a support. The support is arranged on the bottom plate, a clamping and compressing plate for clamping and compressing the edge of an article required to be fixed is arranged on the support, a fixing screw hole is formed in the bottom plate, a vertical slide groove is formed in the support, a clamping groove is fixedly formed in the top of the support, a cavity is arranged on the bottom surface of the clamping and compressing plate, a clamping lug is further fixed onto the top wall of the cavity, a sliderconvex column is further fixed onto the top wall of the cavity, a lock insertion hole is fixedly formed in the bottom wall of the vertical slide groove, a lock insertion column is arranged at the bottom of the clamping lug, a V-shaped lock groove is fixedly formed in the outer wall of the lock insertion column, a straight slot which is communicated with the lock insertion hole is formed in the support, an inverted-V-shape