The utility model discloses a kind of quick-mounting connecting pieces of driving rotary shaft and driven synchronous shaft, belong to connecting piece technical field, including pin, seal ring, cover and E-type snap spring;The pin includes shaft body,
tail cover and the
insertion portion of buckle groove;The seal ring is equipped with the cover installation groove,
insertion portion through groove and shaft body abutting groove in intercommunication;The convex part is set in the middle of the cover, and convex part sets pin let -go hole;The E-type snap spring is open ring, and buckle part is set in inside;The cover is placed in cover installation groove,
insertion portion passes through shaft body abutting groove, insertion portion through groove and pin let -go hole in sequence, E-type snap spring is clamped between cover and cover installation groove, its through -hole is guided expansion by insertion portion taper surface, buckle part is clamped into groove after completely through and realizes fixedness.This utility model is installed quickly, few parts, using snap spring elasticity automatic clamping, and installation
position tolerance is good;Chamfer
processing reserve weld, and connection strength is high, and
shear capacity is strong;Compact cooperation,
impact is small.