Liner tube mounting structure of connecting tube of mower connecting rod and mower connecting rod

The utility model discloses a liner tube mounting structure of a connecting tube of a connecting rod of a mower and the connecting rod of the mower, and aims to provide the liner tube mounting structure of the connecting tube of the connecting rod of the mower and the connecting rod of the mower, which can simplify the liner tube mounting process and improve the liner tube mounting efficiency under the condition of meeting the safety requirement of liner tube mounting. The connecting pipe comprises a liner pipe inserted into the end part of the connecting pipe, an axial limiting structure anda radial limiting structure. The axial limiting structure comprises a positioning hole formed in the side wall of the connecting pipe, a first elastic arm arranged on the liner pipe and a positioningblock arranged on the first elastic arm and used for being matched with the positioning hole. The radial limiting structure comprises a bayonet formed in the side wall of the connecting pipe, a secondelastic arm arranged on th