Centralized breathing device of vehicle

A centralized breathing device of a vehicle comprises a seat which is fixed on a vehicle and is higher than air balance-requiring parts, such as a terminal transmission case, a gearbox, an oil tank and the like, a plurality of through holes are arranged on the seat; two ports of each of the through holes are provided with screw threads and are vertical, the upper ports of the through holes are in threaded connection with breathers, the side ports of the through holes are connected with hollow joints, one end of a flexible pipe is separately connected with the air balance-requiring parts respectively, such as the terminal transmission case, the gearbox, the oil tank and the like on the vehicle, and the other end of the flexible pipe is connected with the joints. The centralized breathing device of the vehicle can rapidly detect and maintain different air balance-requiring parts on the vehicle in a centralized manner, therefore, can effectively reduce the labor intensity of maintenance personnel when maintainin