Electric tool

An electric tool comprises a gear adjusting device. The gear adjusting device comprises a gearbox shell, a torsion adjusting nut and a torsion cup, wherein the gearbox shell is fixedly connected to the machine shell and allows the output shaft to penetrate through, the torsion adjusting nut is arranged on the periphery of the gearbox shell in a sleeving mode and is in threaded fit with the gearbox shell, and the torsion cup is arranged on the periphery of the torsion adjusting nut in a sleeving mode and can be stopped from rotating in the circumferential direction by the torsion adjusting nut. The support is arranged in the gearbox shell and can be pushed by the torsion cup to rotate between a second position and a first position, and when the support rotates to the first position, the output shaft can output impact movement in the longitudinal direction outwards; the torsion adjusting nut is provided with an inner wall facing the gearbox shell, the inner wall is provided with a protruding portion extending i