Tubular busbar inner cone fitting joint

The utility model discloses a tubular busbar inner cone fitting joint, which belongs to the technical field of tubular busbar joints and is characterized by comprising an insulating sleeve, a composite conductive sleeve, a diversion sleeve, a busbar conductor and a contact finger spring. The outer side of one end of the bus conductor is sleeved with a diversion sleeve, the outer side of the diversion sleeve is sleeved with a composite conductive sleeve, the outer end of the composite conductive sleeve is closed, and the outer end of the composite conductive sleeve is provided with a connecting threaded blind hole; the composite conductive sleeve is connected with the diversion sleeve through a contact finger spring; an expansion rubber tube is installed in the contact finger spring, and carbon dioxide gas is injected into the expansion rubber tube. An insulating rubber sleeve is installed between the bus conductor and the large-diameter hole of the stepped through hole of the insulating sleeve, and a semi-con