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A platform for research: civil engineering, architecture and urbanism
Protection lock bolt for burglary prevention
The invention discloses a protection lock bolt for burglary prevention. The protection lock bolt comprises a casing, a lengthened lock bolt, a threaded hole, a position limiting baffle plate, a connecting cylindrical rod, external screw threads, a support frame, a left support block, a right support block, a guide round hole, a reset spring, an auxiliary force spring, a swinging opening rod, a support opposite clamp plate, a moving chute, a clamping and fixing baffle plate, a square slide rod, a pull rope and a steering cylinder. The protection lock bolt has the advantages that the structure is simple, the manufacturing and the modification are convenient, firstly, the primary insurance is realized through the lengthened lock bolt, and meanwhile, the reverse thrust intensity is enhanced through two layers of springs, so that the external lock picking intensity is enhanced, in addition, a limiting mechanism is set for the lock bolt locking, the lock bolt cannot be moved under the condition without a key, and the safety grade of the lock is greatly improved through multiple protection.
Protection lock bolt for burglary prevention
The invention discloses a protection lock bolt for burglary prevention. The protection lock bolt comprises a casing, a lengthened lock bolt, a threaded hole, a position limiting baffle plate, a connecting cylindrical rod, external screw threads, a support frame, a left support block, a right support block, a guide round hole, a reset spring, an auxiliary force spring, a swinging opening rod, a support opposite clamp plate, a moving chute, a clamping and fixing baffle plate, a square slide rod, a pull rope and a steering cylinder. The protection lock bolt has the advantages that the structure is simple, the manufacturing and the modification are convenient, firstly, the primary insurance is realized through the lengthened lock bolt, and meanwhile, the reverse thrust intensity is enhanced through two layers of springs, so that the external lock picking intensity is enhanced, in addition, a limiting mechanism is set for the lock bolt locking, the lock bolt cannot be moved under the condition without a key, and the safety grade of the lock is greatly improved through multiple protection.
Protection lock bolt for burglary prevention
WANG YONGDE (author)
2015-07-15
Patent
Electronic Resource
English
IPC:
E05B
LOCKS
,
Schlösser
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