Oil filler structure and diesel vehicle

The utility model provides an oil filler structure and a diesel vehicle, the oil filler structure comprises an oil filler box and an oil filler door, a diesel oil filling port and a urea injection port are arranged in the oil filler box, the diesel oil filling port is provided with an oil filling port cap, and the urea injection port is provided with an injection port cap; the oil filling port box is movably connected with the oil filling port door, and the inner side of the oil filling port door is provided with a cap containing part used for containing the oil filling port cap and/or the injection port cap. The oil filling port structure integrates two placement modes of clamping and hooking, can meet the placement requirements of the oil filling port cap of a diesel vehicle type, can also meet the placement requirements of the oil filling port cap and can also meet the placement requirements at the same time, and the problem that one oil tank cap placement structure of a diesel vehicle cannot meet the plac