| 摘要 |
The present invention relates to a two-stage lock cylinder structure, which includes a lock casing, a lock barrel and an actuating unit, wherein a first joining member is located at one end of the lock barrel, and the actuating unit is fitted with a corresponding second joining member. Moreover, a flexible member is located between the lock barrel and the actuating unit, and the displacement distance of the first joining member towards the second joining member is smaller than the center distance of any of two through holes of the lock casing. Accordingly, the flexible member and the actuating unit are used to enable achieving two-stage actuation as an unlocking operation for a locking device, thereby providing the present invention with burglar-proof effectiveness.
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