Wiper device for a windscreen wiper with a spray function

A wiper device (10) for a windscreen of a vehicle, the wiper device (10) having a wiper arm (12) and a wiper blade device (14), wherein the wiper blade device (14) has a wiper strip (16), a spoiler (18) which is fastenable thereto, and a wiper blade (20) which is fastenable to the wiper strip (16) or to the spoiler (18), and wherein the wiper blade device (14) furthermore has an adapter (22) which has a fluid inlet (24) and two fluid outlets (26), (28) to conduct fluid introduced into the fluid inlet (24) through the fluid outlets (26, 28) into fluid channels (30) of the spoiler (18), characterized in that the adapter (22) is of multi-part design in such a manner that the adapter (22) has a first part (32), which has the fluid inlet (24), a first outlet region (36) and a second outlet region (38), wherein the first part (32) furthermore has a deflection geometry (40) for conducting a fluid entering the fluid inlet (24) to the first outlet region (36) and the second outlet region (38), and wherein the adapter (22) furthermore has a second part (33) and a third part (34), wherein the second part (33) closes the first outlet region (36) and has the first fluid outlet (26), and wherein the third part (34) closes the second outlet region (38) and has the second fluid outlet (28).