Bag type air spring formed by integral vulcanization

The utility model relates to the technical field of bladder type air springs, in particular to an integrally vulcanized bladder type air spring. According to the bag type air spring formed through integral vulcanization, a cord fabric layer is connected with an upper cover shell and a lower cover shell, the whole cord fabric layer is I-shaped, and a waist ring steel ring is arranged in the middle of the cord fabric layer; the upper cover outer shell is connected with an upper cover inner shell, an upper-layer steel ring is arranged at the joint of the upper cover outer shell and the upper cover inner shell, and an air inlet is formed in the upper cover inner shell; the lower cover outer shell is connected with the lower cover inner shell, and a lower-layer steel ring is arranged at the joint of the lower cover outer shell and the lower cover inner shell; and a plurality of connecting holes are formed in the lower cover inner shell. The air bag has the beneficial effects that the structural design is reasonabl