| 摘要 |
A lock device includes a locking unit, a protective unit surrounding the locking unit, and a key unit extending through the protective unit and engaging the locking unit to lock or unlock the locking unit. The locking unit includes a lock head and a lock core. The protective unit includes a rotation member and a follower. The locking unit is sandwiched between the rotation member and the follower. The rotation member has a central portion provided with a passage aligning with the lock core and has a peripheral wall provided with an opening connected to the passage. Thus, the locking unit is hidden in the protective unit to prevent the lock core from being exposed from the protective unit so that a person cannot see the inner construction of the lock core and cannot unlock the lock core easily.
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