Plane scanning probe unit

The utility model provides a plane scanning probe unit belongs to inspection equipment technical field, including consecutive probe dish, rotor shaft and motor element, the edge of probe dish is equipped with the magnetic core sheath, be equipped with sensor coil in the magnetic core sheath, the outside cover of rotor shaft is equipped with rotor magnetic core and the stator core who mutually supports, the rotor magnetic core is gone up around there being the coil with stator core, and stator core is located the outside of rotor magnetic core, stator core's clearance department is equipped with the stator copper packing, the clearance department of rotor magnetic core is equipped with the rotor copper packing, and motor element includes the motor connecting piece, be located the motor sideshaft coupling of motor connecting piece one end, be located the trigger seat between motor connecting piece and the rotor shaft, and trigger seat in the rotor shaft tip outside, be equipped with thepiece that tests the spee