Mistaken pulling prevention structure of small-sized converter

The invention relates to a mistaken pulling prevention structure of a small-sized converter. The mistaken pulling prevention structure comprises a shell, a wiring frame is arranged on the inner side of a wiring end of the shell, and a wire pressing screw extending into the wiring frame is in threaded connection with the wiring end of the shell. The mistaken pulling prevention structure is characterized by further comprising a rotating shaft, a crank, a connecting rod, a buckle, a sliding block and a reset spring; the rotating shaft is rotatably mounted on the wiring end of the shell, and the two ends of the rotating shaft extend to the inner side and the outer side of the shell respectively; the crank is rotatably mounted on the rotating shaft and located on the inner side of the shell; the two ends of the connecting rod are rotatably mounted on the side edge of the crank and the upper end of the buckle respectively and can move up and down under the driving of the crank; the buckle is arranged below the cran