Hedge trimmer with replacement structure

The utility model discloses a hedge trimmer with a replacement structure, and relates to the technical field of hedge trimmers, in particular to a hedge trimmer with a replacement structure, which comprises a base plate and a supporting straight plate mounted above the base plate, and a locking groove is formed in the top surface of the supporting straight plate. The supporting straight plate is provided with a trimming mechanism used for trimming green plants through the locking groove, a locking mechanism used for locking the trimming mechanism is arranged on the side face of the supporting straight plate, and the locking mechanism comprises a rectangular sleeve fixed to the side face of the supporting straight plate, a locking spring fixed to the inner side face of the rectangular sleeve and a locking protruding block fixed to the end of the locking spring. The inner side of the rectangular sleeve communicates with the locking through groove, the side face, away from the locking spring, of the locking prot