| 摘要 |
<p>A portable safety lock catch (1), sleeved on a turning knob (21) and a lock core (22) of a door lock, and used to limit the rotation of the turning knob (21) of the door lock, and comprising a lock catch body (11) and a fixing piece (12); the lock catch body (11) is provided with an interlocking part (110) corresponding to the turning knob (21) of the door lock; the fixing piece (12) is connected to one side of the lock catch body (11), and is provided with a through groove (120) thereon; the through groove (120) corresponds to the lock core (22) of the door lock. Therefore, the door lock is prevented from being unlocked by a key from outside or via an external rotation force, thus avoiding the occurrence of social crimes caused by the direct unlocking and intrusion into a rented apartment by a landlord, a former tenant or a dangerous person using an existing key.</p> |
