| 摘要 |
An outer handle structure of a lock that may be idle includes an inner handle set provided with an inner handle for driving an inner drive shaft to rotate. The inner drive shaft drives a retractor to operate. The inner handle set is additionally provided with a press button that may be pressed to drive a safety bar to push a limit plate and a lock snap plate. A outer handle set is provided with an outer handle for driving an outer drive shaft to rotate. The outer drive shaft defines an annular slot and a straight slot arranged in a T-shape. A latch release set is provided with a retractor for drawing a lock tongue of a lock latch to operate, and has two ends respectively pivoted with the inner drive shaft of the inner handle set and the outer drive shaft of the outer handle set. The outer drive shaft receives an inner shaft barrel and a lock snap disk therein. The inner shaft barrel receives an elastic member, a follower plate, and a lock snap plate therein which are prevented from being detached from the inner shaft barrel by the limit plate. The follower plate is provided with a follower block which protrudes outward from a straight slot defined in the inner shaft barrel, and may be locked in the annular slot or the straight slot of the outer drive shaft. The follower plate defines two depressions for allowing passage of two locking legs of the lock snap plate. The two locking legs of the lock snap plate may be locked in or detached from two locking holes of the lock snap disk. The inner shaft barrel has wing plates that may press the retractor.
|
