Pole saw

A pole saw, comprising:

• a cutting assembly;
• and
• a support assembly;
• wherein the cutting assembly comprises a serrated cutter and a sheath;
• the serrated cutter is rotatably connected to the sheath;
• the sheath is provided with a first groove for accommodating the serrated cutter;
• the serrated cutter is configured to rotate with respect to the sheath to move into or out of the first groove so as to make the serrated cutter sheathed or exposed;
• and the sheath is detachably arranged on the support assembly;
• the cutting assembly further comprises a first locking structure;
• the first locking structure comprises a rotating shaft, a first locking part, a first elastic part, and a clamping shaft the rotating shaft is arranged on the sheath, and the first locking part is rotatably arranged on the rotating shaft the first locking part is provided with a pressing end and a butting end;
• the first elastic part is connected between the sheath and the pressing end;
• the clamping shaft is connected to the butting end;
• the serrated cutter is provided with a first clamping groove and a second clamping groove arranged oppositely;
• as the first locking part rotates by pressing the pressing end, when the first clamping groove is clamped with the clamping shaft, the serrated cutter is locked in a folding state, and when the second clamping groove is clamped with the clamping shaft, the serrated cutter is locked in an opening state;
• and
• the cutting assembly further comprises a first baffle and a second baffle which are oppositely arranged in the first groove;
• the first baffle is further provided with a first flanged edge and a second flanged edge separated from each other;
• and the first elastic part is in face contact with the first flanged edge to prevent the first elastic part from being caught between the first flanged edge and the second baffle.