A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a square-bolt safe-guard door lock, comprising a panel, a housing, a buckled box,a key, a square bolt, a square-bolt carriage, a twisting device and a stroke and axial direction limit device and a safe-guard locking device, wherein the square bolt is internally provided with a square bolt strong magnet; a keyhole is formed in the buckled box and is internally provided with a buckled box magnet; the twisting device comprises a rotary knob spring, a rotary knob lock cylinder and a drive plate connecting the rotary knob spring and the square-bolt carriage; the stroke and axial direction limit device comprises a stroke limit groove, a limit block and a limit torsional spring; the stroke limit groove is arranged on one side of the square-bolt carriage; one end of the limit block is arranged in the stroke limit groove, while the other end thereof is attached to the torsional spring; the safe-guard lock device comprises a sliding block fixedly connected with the square-bolt carriage and a prodding block arranged at the bottom of the sliding block; and the other end of the sliding block is connected with the lock cylinder. By adopting the above structure, radial movement stroke of the square bolt can be limited, the square bolt is tightly pressed and locked axially, the door lock can be locked without a key at the outside, and use is convenient.
The invention discloses a square-bolt safe-guard door lock, comprising a panel, a housing, a buckled box,a key, a square bolt, a square-bolt carriage, a twisting device and a stroke and axial direction limit device and a safe-guard locking device, wherein the square bolt is internally provided with a square bolt strong magnet; a keyhole is formed in the buckled box and is internally provided with a buckled box magnet; the twisting device comprises a rotary knob spring, a rotary knob lock cylinder and a drive plate connecting the rotary knob spring and the square-bolt carriage; the stroke and axial direction limit device comprises a stroke limit groove, a limit block and a limit torsional spring; the stroke limit groove is arranged on one side of the square-bolt carriage; one end of the limit block is arranged in the stroke limit groove, while the other end thereof is attached to the torsional spring; the safe-guard lock device comprises a sliding block fixedly connected with the square-bolt carriage and a prodding block arranged at the bottom of the sliding block; and the other end of the sliding block is connected with the lock cylinder. By adopting the above structure, radial movement stroke of the square bolt can be limited, the square bolt is tightly pressed and locked axially, the door lock can be locked without a key at the outside, and use is convenient.
Square-bolt safe-guard door lock
YANG HERONG (author)
2015-12-30
Patent
Electronic Resource
English
IPC:
E05B
LOCKS
,
Schlösser
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