The utility model discloses a take guide pulley's lock structure aims at providing a compact structure, locks take guide pulley's lock structure effectual and long service life. The utility model discloses a cabinet body and cabinet door, the cabinet door is provided with the lock, the lock includes planking, inner panel, handle, guide pulley, locking lever, a plurality of guiding axle and horizontal spring bolt, the inner panel with the position of planking is corresponding, the handle sets up on the planking, the locking lever includes locking lever no. 1 and locking lever no. 2, horizontal spring bolt is located the middle part of inner panel, a locking lever draw locking lever no. 2 all is equipped with the guide rail, and is a plurality of the guiding axle set up in the back of cabinet door and respectively with guide rail looks adaptation, guide pulley includes pulley no. 1 and pulley no. 2, the upper end of locking lever no. 1 with a pulley transmission is connected, the lower extreme of locking lever no. 2 with two transmissions on the pulley are connected. The utility model discloses be applied to the technical field of power distribution cabinet door lock.