Oil filling pipe assembly and automobile

The utility model provides an oil filling pipe assembly and an automobile and relates to the technical field of automobiles, the oil filling pipe assembly comprises an oil filling pipe body, a breather pipe, a circulating pipe and a one-way flow limiting structure, the bottom end of the oil filling pipe body is used for being communicated with a fuel tank, the top end of the oil filling pipe body is an oil filling port, and the breather pipe is used for being communicated with the fuel tank. One end of the circulating pipe is used for communicating with the breather pipe, the other end of the circulating pipe communicates with the oil filling pipe body and is close to the oil filling port, and the one-way flow limiting structure is arranged at the communicating position of the circulating pipe and the oil filling pipe body and used for limiting oil from entering the circulating pipe from the oil filling pipe body. When the oil filling gun fills oil into the oil filling port, the one-way flow limiting structur