The utility model belongs to the technical field of the electric power tool technique and specifically relates to a modular electric power action bars, including insulator spindle and connecting rod, there is bushing spare on the top of insulator spindle through the screw fastening connection, the inner wall of bushing spare open have with bushing spare inner wall vertically spout, the inner chamber fixedly connected with slide bar of spout, the outer wall of slide bar has cup jointed spring and go -between, the one end of spring and the inner wall fixed connection of spout, the other end of spring and one side wall connection of go -between, another lateral wall fixedly connected with card pearl of go -between, it has the spliced eye to open on the card pearl, and the slide bar inserts the inner chamber of spliced eye, the inner chamber at bushing spare is inserted to the one end of connecting rod, the other end AND operation pole fixed connection of connecting rod, the recess that has with card pearl joint is opened to the outer wall of connecting rod, it is abundant that the current action bars of this modular electric power action bars contrast has the function, the dismouting is easy, advantages such as portable.