Hedge trimmer

A hedge trimmer, comprising:

• a blade assembly, comprising at least one blade and a blade holder,
• a power assembly, comprising a housing, a motor and a transmission assembly the power assembly configured to drive the blade assembly to reciprocate,
• a battery pack, supporting power for the power assembly,
• a casing, comprising a battery pack cavity, a battery pack elastic structure and a battery pack releasing button, configured to accommodate the battery pack in the battery pack cavity,
• a connecting rod, a first end of the connecting rod being fixedly connected with the power assembly and a second end of the connecting rod being connected with the battery pack cavity,
• a handle assembly, fixedly mounted on the second end of the connecting rod and adjacent to the battery pack, configured to control a start and stop of the power assembly, and
• an auxiliary handle, connected with an end of the casing away from the handle assembly, wherein
• the blade holder is fixedly connected with the housing, the at least one blade is mounted on the blade holder,
• the transmission assembly comprises a bull gear, a pinion, two connecting components, two eccentric blocks and two bearings,
• the housing is provided with a gear box and a gear box cover,
• a weight of the power assembly comprises weights of the housing including the gear box and the gear box cover, the motor, and the transmission assembly including the bull gear, the pinion, the two connecting components, the two eccentric blocks and the two bearings, a weight of the hedge trimmer comprises the blade assembly, the power assembly, the battery pack, the casing, the connecting rod, the handle assembly and the auxiliary handle, the power assembly accounts for less than 46% of the weight of the hedge trimmer, the connecting rod is further provided with a hanging holder, a first distance from a center of gravity of the battery pack and the handle assembly to the hanging holder is from 440 mm to 500 mm, a second distance from a center of gravity of the power assembly and the blade assembly to the hanging holder is from 900 mm to 1000 mm, the handle assembly is arranged adjacent to the hanging holder and configured to be held by an operator, a distribution of the weight of power assembly and the first and second distances enables the hedge trimmer to be balanced at a position of the hanging holder and labor-saving during an operation of the operator.