Oscillating rotation sprinkler that allows the start of the sprinkler even when it is mounted on drainpipes with the nozzle facing the terrain. It comprises a nozzle (4) which controls the passage of water and allows for the outlet of the water running through the drainpipes, an inner body (5) on which the nozzle (4) is mounted, a plate holder (1) arranged around the inner body (5) and a deflector plate (2) which is joined to one end of the plate holder (1) by means of support columns (13) and comprising a plurality of channels (7) that receive and direct the water coming out of the nozzle (4). It also comprises a warped ring (8) arranged between the inner body (5) and the plate holder (1).
