Oil conveying pipe mechanism of airplane auxiliary oil tank

The utility model discloses an airplane auxiliary fuel tank oil delivery pipe mechanism which is characterized in that the airplane auxiliary fuel tank oil delivery pipe mechanism comprises a base (1), an oil delivery pipe (8), a pressing ring (5), a supporting ring (4), a sealing ring (3) and a screw (7), the base (1) is a spherical cavity connected with an auxiliary fuel tank and attached to the oil delivery pipe (8), and the sealing ring (3) and the supporting ring (4) are arranged between the base (1) and a ball head of the oil delivery pipe (8). The base (1) is provided with an oil conveying pipe (8), the pressing ring (5) is a lantern ring matched with the oil conveying pipe (8) and the base (1), the inner side of the pressing ring (5) tightly presses the ball head part of the oil conveying pipe (8) in the base (1), and the pressing ring (5) is installed on the base (1) through a screw (7). The valve has the advantages of being good in sealing performance, high in reliability, easy to machine, good in m