Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Provided is an armored lock. A linkage fork is arranged in a lock shell and can simultaneously pull a main insertion bolt assembly, a sky insertion pin and a ground insertion pin to stretch out of or retract to a side plate under the action of a middle shifting fork, a safety pin linkage transmission block, a main linkage arm and an auxiliary linkage arm are arranged in the lock shell, and therefore a safety pin is opened under the action of the middle shifting fork, and an inner lever handle of the armored lock is operated indoors to lock or open a door. Thus, the armored lock is reasonable in structure, the inner lever handle is very conveniently operated to open or lock the door indoors, the situation that under emergency circumstances, people look around for a key and rotate a safety shifting fork with hand to open a door and consequently people are in a great bustle is avoided, and escape efficiency can be improved under emergency circumstances.
Provided is an armored lock. A linkage fork is arranged in a lock shell and can simultaneously pull a main insertion bolt assembly, a sky insertion pin and a ground insertion pin to stretch out of or retract to a side plate under the action of a middle shifting fork, a safety pin linkage transmission block, a main linkage arm and an auxiliary linkage arm are arranged in the lock shell, and therefore a safety pin is opened under the action of the middle shifting fork, and an inner lever handle of the armored lock is operated indoors to lock or open a door. Thus, the armored lock is reasonable in structure, the inner lever handle is very conveniently operated to open or lock the door indoors, the situation that under emergency circumstances, people look around for a key and rotate a safety shifting fork with hand to open a door and consequently people are in a great bustle is avoided, and escape efficiency can be improved under emergency circumstances.
SECURITY LOCK FOR A CLOSING ELEMENT, IN PARTICULAR AN ARMORED DOOR
| Europäisches Patentamt | 2020
Engineering Index Backfile | 1943