Portable refueling device

The utility model discloses a portable refueling device which comprises an explosion-proof shell, one surface of the explosion-proof shell is provided with an installation part, a telescopic pull rod is arranged in the installation part, the bottom of the explosion-proof shell is provided with a containing cavity used for containing a movable wheel, and the two sides of the bottom of the explosion-proof shell are respectively provided with a supporting piece. An oil injection port is formed in the top of the explosion-proof shell, a sealing ring is welded to the position, corresponding to the oil injection port, of the explosion-proof shell, and the sealing ring is connected with a sealing cover in a threaded connection mode. According to the oil filling device, the movable wheels are arranged at the bottom of the oil filling device, so that a user can conveniently move the oil filling device, the movable wheels are matched with the telescopic pull rod, the effect of being convenient to transfer and carry is