Improved impact structure

The invention discloses an improved impact structure. The improved impact structure comprises a transmission shaft, an impact disc, a driving disc, an output shaft and an impact spring, wherein the driving disc is cylindrical, two symmetrical first inclined planes are arranged on the lower surface of the driving disc, and the first inclined planes are V-shaped; two second inclined planes matched with the first inclined planes are arranged in a middle hole of the impact disc, the two second inclined planes are symmetrically arranged, and the sections of the second inclined planes are V-shaped;the output end of the transmission shaft is movably connected with the output shaft after penetrating through the impact disc; the driving disc is fixedly mounted on the transmission shaft; one end, close to the impact disc, of the output shaft is provided with a first impact block in the circumferential direction; a second impact block is arranged at the upper end face of the impact disc in the circumferential direction;