Wire supporting rod

The technical scheme of the utility model provides a lead stay bar, which comprises a double-end telescopic rod and claw assemblies, the claw assemblies are arranged at two ends of the double-end telescopic rod and comprise seat bodies and semi-ring claws, the seat bodies are connected with the double-end telescopic rod, the inner sides of a pair of the semi-ring claws are oppositely hinged on the seat bodies, and the inner sides of the pair of the semi-ring claws are oppositely hinged on the seat bodies. A pair of semi-ring claws are arranged on the base body, elastic pieces are further arranged between the semi-ring claws and the base body, so that the semi-ring claws are elastically closed, clamping cylinders are arranged on the tops of the semi-ring claws, the tops of the clamping cylinders extend towards the periphery to form limiting edges, and clamping grooves matched with the limiting edges are formed in the inner sides of the semi-ring claws. According to the utility model, the clamping grooves are f