Traction rod for subway rail vehicle

The invention discloses a traction rod for a subway rail vehicle. The traction rod comprises a rod body, two drawing rings, mounting holes and an elastic node, the two drawing rings are integrally formed at two ends of the rod body, the mounting holes are formed in the middles of the drawing rings, one group of first inclined rod bodies and one group of second inclined rod bodies are arranged at the upper end and the lower end of the drawing ring of one side of the rod body, one group of second inclined rod bodies and one group of first inclined rod bodies are arranged at the upper end and thelower end of the drawing ring of the other side of the rod body, fixing rings are integrally formed at the tail ends of one group of first inclined rod bodies, fixing rings are integrally formed at the tail ends of one group of second inclined rod bodies, the fixing ring are arranged on the screws in a sleeving manner, arc-shaped sections are integrally formed in the middles of straight rod bodies, a plurality of buffer