A two separation and reunion derailleurs that be used for vehicle with jackshaft structural style

The utility model provides a two separation and reunion derailleurs that be used for vehicle with jackshaft structural style, it has two clutches (K1, K2), and its inlet side is connected with drive shaft (AN) and the outlet side is connected with one of two transmission input shaft (EW1, EW2) coaxial for main shaft axis (10) respectively, and these transmission input shaft relevance respectively have a branch derailleur. In addition, set up two at least jackshafts (VW1, VW2) and a plurality of gear plane (I, II, III, IV), a plurality of positive gear drive levels and a plurality of switching device are distributed to a plurality of gear planes to can put through at least eight fenders that go forward. In addition, set up at least one driven shaft (AB), it is connected with the jackshaft through driven gear plane (V). According to the utility model discloses, for at least one distribution at least one hollow shaft (HW) in the jackshaft, it includes at least three idler gear (Z1, Z4, Z7), and its accessible switching device (S1, S2, S3) in relevancy be connected with the hollow shaft.