Hub anti-theft lock convenient to use

A hub anti-theft lock convenient to use comprises a fixed rod and a movable rod parallel to the fixed rod, a transverse rod is fixedly installed on the lower portion of one side of the fixed rod, a case is fixedly installed on the lower portion of the other side of the fixed rod, and a movable plate is fixedly installed on the lower portion of the side end of the movable rod; the device has the advantages that the case is arranged, the small motor in the case drives the lead screw to rotate through the speed reducer, so that the sliding block is driven to slide along the sliding groove, the sliding block moves to drive the movable plate to move, the movable rod is driven to move, and the distance between the movable rod and the fixed rod can be adjusted; the hubs are conveniently clamped by the calipers on the fixed rod and the movable rod, the distance is automatically adjusted, and adjustment is convenient; the small motor is controlled through the mobile phone terminal, control is convenient, common mechan