Binding-free spool type composite insulator

The utility model discloses a binding-free spool type composite insulator. Including a base, mounting bolts are arranged at the bottom of the base; the base is composed of a left base body and a rightbase body which are buckled together. At least one right wire slot is formed above the right base; two arc-shaped clamping jaws are arranged above the right wire slot; a clamping groove is formed between the two arc-shaped clamping jaws; a buckle plate is arranged at the top of the left base; the buckle plate is matched with the clamping groove in shape and size; at least one left wire slot is formed above the left base; the left wire duct and the right wire duct are the same in structure, the sections of the left wire duct and the right wire duct are semi-arc-shaped and are in one-to-one correspondence in position, bushings are arranged in the left wire duct, convex columns are arranged on the faces, making contact with the left wire duct, of the bushings, grooves matched with the convexcolumns are formed in the