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A platform for research: civil engineering, architecture and urbanism
The invention discloses a mechanical door opening device which comprises a lock body (900), and further comprises a rotary knob (801), a connecting rod (802), a sleeve (803), a fork (701) and a driving stem (804), wherein the rotary knob (801), the connecting rod (802), the sleeve (803) and the driving stem (804) are sequentially connected; and the fork (701) can drive the sleeve (803) to move, so that the connecting rod (802) and the driving stem (804) can be separated or connected. The door opening device disclosed by the invention is applicable to conventional door opening or emergency door opening, for example, and the door opening device can solve the problems that a fingerprint lock cannot be unlocked in case of faults and the like. The door opening device is simple in structure, reliable in running and easy in processing.
The invention discloses a mechanical door opening device which comprises a lock body (900), and further comprises a rotary knob (801), a connecting rod (802), a sleeve (803), a fork (701) and a driving stem (804), wherein the rotary knob (801), the connecting rod (802), the sleeve (803) and the driving stem (804) are sequentially connected; and the fork (701) can drive the sleeve (803) to move, so that the connecting rod (802) and the driving stem (804) can be separated or connected. The door opening device disclosed by the invention is applicable to conventional door opening or emergency door opening, for example, and the door opening device can solve the problems that a fingerprint lock cannot be unlocked in case of faults and the like. The door opening device is simple in structure, reliable in running and easy in processing.
Mechanical door opening device
HE CHUNLEI (author)
2015-05-20
Patent
Electronic Resource
English
IPC:
E05B
LOCKS
,
Schlösser
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