Aircraft fuel tank sediment discharging device

The utility model discloses an aircraft fuel tank sediment discharging device which comprises an oil collecting funnel, a drainage pipe and an ejector pin, the oil collecting funnel comprises a funnel body and a discharge spout, the lower end of the drainage pipe is connected with the upper end of the discharge spout, the ejector pin is installed on the end portion of the upper end of the drainage pipe, and a first air flow guide pipe is arranged in a drainage cavity of the drainage pipe. A second air flow guide pipe is arranged in the oil leakage cavity of the discharge spout, the side wall of the flow guide pipe is provided with an air hole and a plurality of first flow guide holes, the second air flow guide pipe is communicated with the air hole through the first air flow guide pipe, and the oil collection cavity in the funnel body is communicated with the oil leakage cavity through the first flow guide holes and the flow guide cavity. According to the device, the air guide pipe is arranged on the drainage