Connecting structure for coating sucker rod

The utility model relates to the technical field of sucker rods, and discloses a connecting structure for wrapping a sucker rod, which comprises a wrapping sucker rod body and an oil pipe, the right sides of the front and rear ends of the oil pipe are fixedly connected with connecting blocks, the inner wall of the bottom end of each connecting block is provided with a chute, and one end of the inner side of each chute is fixedly connected with a fixed cylinder. Tension springs are fixedly connected to the inner walls of the fixing barrels correspondingly, first connecting rods are fixedly connected to the ends, away from the fixing barrels, of the tension springs correspondingly, driving blocks are fixedly connected to the ends, away from the fixing barrels, of the first connecting rods correspondingly, and driving columns are fixedly connected to the top ends of the driving blocks correspondingly. Sleeves are fixedly connected to the left sides of the front end and the rear end of the wrapping sucker rod bod