Self-locking type built-in heat preservation structure connecting rod

The invention provides a self-locking type built-in heat preservation structure connecting rod, and relates to the field of building devices. The self-locking type built-in heat preservation structureconnecting rod comprises a connecting rod body, a first rubber ring, a second rubber ring, a fixing disc and insulating caps, wherein the insulating caps are arranged at the two ends of the connecting rod body; the first rubber ring and the second rubber ring are connected to the outer surface of the connecting rod body in a sleeving mode; the surface of the first rubber ring is fixedly connectedwith a sleeve rod; the end, away from the first rubber ring, of the sleeve rod is provided with a threaded part; an inserting hole is formed in the position, close to one end, of the outer surface ofthe connecting rod body; and the end, away from the inserting hole, of the connecting rod body is of a threaded structure. By reasonably designing the connecting rod structure, the connecting rod canwell fix a heat preservatio