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Anti-prying lock
The invention relates to a hardware lock, in particular to an anti-prying lock. The anti-prying lock is mainly composed of a lock cylinder, a lock cylinder sleeve, a lock bolt, a lock bolt sleeve, an anti-prying base and an anti-prying base cover. One end of the lock bolt is connected with a lock cylinder shaft, and a spring bolt capable of rotating in the radial direction or a spring bolt capable of stretching and contracting in the radial direction is arranged at the other end of the lock bolt, one end of the lock bolt sleeve is connected with the lock cylinder, a special-shaped boss is arranged at the other end of the lock bolt sleeve, and the lock cylinder sleeve is arranged at the position of the opposite face of the anti-prying base cover. The anti-prying lock is characterized in that the anti-prying base is arranged in the anti-prying base cover, the anti-prying base is provided with a special-shaped hole for the special-shaped boss on the lock bolt sleeve to be inserted therein, a spring bolt shoulder for preventing receding of the spring bolt is arranged at the special-shaped hole in the anti-prying base, a disengaging preventing device preventing the anti-prying base from disengaging from the anti-prying base cover is arranged between the anti-prying base and the anti-prying base cover, and a damping device is arranged between the anti-prying base and the anti-prying base cover. When a thief uses a violent tool to screw forcefully, the lock bolt drives the anti-prying base to rotate along with the violent tool after the resistance set by the damping device is overcome, the violent tool rotates as well, and therefore the lock cylinder can be prevented from being screwed damaged.
Anti-prying lock
The invention relates to a hardware lock, in particular to an anti-prying lock. The anti-prying lock is mainly composed of a lock cylinder, a lock cylinder sleeve, a lock bolt, a lock bolt sleeve, an anti-prying base and an anti-prying base cover. One end of the lock bolt is connected with a lock cylinder shaft, and a spring bolt capable of rotating in the radial direction or a spring bolt capable of stretching and contracting in the radial direction is arranged at the other end of the lock bolt, one end of the lock bolt sleeve is connected with the lock cylinder, a special-shaped boss is arranged at the other end of the lock bolt sleeve, and the lock cylinder sleeve is arranged at the position of the opposite face of the anti-prying base cover. The anti-prying lock is characterized in that the anti-prying base is arranged in the anti-prying base cover, the anti-prying base is provided with a special-shaped hole for the special-shaped boss on the lock bolt sleeve to be inserted therein, a spring bolt shoulder for preventing receding of the spring bolt is arranged at the special-shaped hole in the anti-prying base, a disengaging preventing device preventing the anti-prying base from disengaging from the anti-prying base cover is arranged between the anti-prying base and the anti-prying base cover, and a damping device is arranged between the anti-prying base and the anti-prying base cover. When a thief uses a violent tool to screw forcefully, the lock bolt drives the anti-prying base to rotate along with the violent tool after the resistance set by the damping device is overcome, the violent tool rotates as well, and therefore the lock cylinder can be prevented from being screwed damaged.
Anti-prying lock
SUN JIANHUA (author) / SHEN QIHENG (author)
2015-09-30
Patent
Electronic Resource
English
IPC:
E05B
LOCKS
,
Schlösser
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