Quick-detachable door lock transmission mechanism

The utility model relates to a quick-detachable door lock transmission mechanism which comprises a front drum, a rear drum and a transmission shaft. One end of the transmission shaft is connected and fixed with the front drum in a riveting manner while the other end of the transmission shaft is connected and fixed with the rear drum via a snap spring structure. The snap spring structure comprises a snap spring, an insert hole arranged at one end of the transmission shaft and a clamp hole arranged at corresponding position of the rear drum, and the snap spring is inserted into and penetrates through the clamp hole and the insert hole sequentially so that the transmission shaft is connected and fixed with the rear drum. The door lock transmission mechanism is easy, convenient and quick to assemble and detach, is simple in structure and easy to machine. Besides, detachment difficulty is lowered greatly, and mounting and maintenance efficiency of a door lock is improved effectively.