Locking component with protection function

The utility model discloses a locking part with a protection function, which relates to the technical field of plastic molds and comprises a base and a clamping groove I. A cavity is formed in the base, a fixed vertical rod is mounted in the middle of the interior of the cavity, and limiting blocks are arranged at the upper end and the lower end of the fixed vertical rod. A positioning hole is formed in the outer side, close to the limiting block, of the cavity, a positioning column is installed in the positioning hole, the first clamping groove is located in the inner side surface of the positioning column, and a protection assembly used for reducing collision abrasion between the limiting block and the first clamping groove is arranged on the outer surface of the limiting block. And the protection assembly comprises an adhesive layer, a rubber sleeve and a polytetrafluoroethylene coating, the rubber sleeve is installed outside the adhesive layer, and the polytetrafluoroethylene coating is arranged on the ou