Power assisting device of nasal feeder

The invention discloses a power assisting device of a nasal feeder. The power assisting device of the nasal feeder is characterized by comprising a shell, a mandrel mounting base and an ejecting blockused for locking a barrel body of the nasal feeder, wherein a needle outlet is formed in the front end of the shell, an opening is formed in the upper half part of the shell, the mandrel mounting base and the ejecting block are respectively arranged in the shell, the front end of the mandrel mounting base is provided with an inserting groove used for inserting connection with a mandrel baffle plate of the nasal feeder, a mandrel axial driving mechanism is arranged on the shell, the mandrel axial driving mechanism is connected with the mandrel mounting base, the ejecting block is arranged at the front side of the mandrel mounting base, a through hole allowing a mandrel of the nasal feeder to pass through is formed in the ejecting block, and a locking mechanism is arranged between the shelland the ejecting block. T