Wire pressing prevention structure of stepping motor

The utility model relates to the technical field of stepping motors, in particular to a wire pressing prevention structure of a stepping motor, which comprises a coil framework and a wiring block arranged on the outer side of the coil framework, and a contact pin is arranged on the wiring block. The coil framework is provided with a middle wire groove, the wiring block is provided with an upper wire groove, the middle wire groove is opposite to the upper wire groove, the upper wire groove is located on the outer side of the contact pin, and the upper wire groove corresponds to the bottom section of the contact pin; the coil framework is selectively provided with the middle wire groove, and the outer side of the coil framework is provided with the upper wire groove corresponding to the contact pin, so that when the enameled wire of the coil is connected with the contact pin, the enameled wire close to the contact pin directly penetrates through the upper wire groove, and the enameled wire is connected with the