Gearing

The utility model discloses a gearing, including the connecting rod rest, main shaft and eccentric cam, the main shaft links with the connecting rod rest dress, eccentric cam and main shaft fixed connection, still include first articulated shaft, the second articulated shaft, eccentric cover, first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod, first trundle axle and secondary drive round pin axle, first articulated shaft and second articulated shaft all with connecting rod rest fixed connection, eccentric cover suit is on eccentric cam, and off -centre is sheathe in and is equipped with the transfer line, the transfer line is articulated with first trundle axle, the one end of first connecting rod is articulated with first articulated shaft, the other end is articulated with first trundle axle, the one end of second connecting rod is articulated with first trundle axle, the other end is articulated with secondary drive round pin axle, the one end of third connecting rod is articulated with the second articulated shaft, the other end is articulated with secondary drive round pin axle, the one end of fourth connecting rod is articulated with secondary drive round pin axle. The utility model discloses whole transmission structure atress is less, improves gearing.