A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Safety lock cylinder
The invention discloses a safety lock cylinder. The safety lock cylinder comprises an outer sleeve, a middle sleeve positioned in the outer sleeve, an inner sleeve positionedin the middle sleeve, a lock hole formed in the inner sleeve, a lock rod sleeve penetratingupwards from the upper end of the inner sleeve, and a limiting ring which sleeves the lock rod sleeve and is provided with a 90-degree unfilled corner, wherein two opposite mechanical positioning teeth are formed on the inner wall of the lower end of the lock hole; a first accommodating cavity and a second accommodating cavity are formed in the joint of the upper ends of the inner sleeve and the outer sleeve; the position of the first accommodating cavity is higher than that of the second accommodating cavity; a first spring is arranged at the bottom of the first accommodating cavity; a third magnetic pillar is arranged at the top of the first accommodating cavity; the bottom end of the third magnetic pillaris propped against the first spring; a second spring is arranged at the bottom of the second accommodating cavity; a fourth magnetic pillar is arranged at the top of the second accommodating cavity; the bottom end of the fourth magnetic pillar is propped against the second spring; the third magnetic pillar and the fourth magnetic pillar are in magnetic cooperation with a first magnetic pillar and a second magnetic pillar of a key which is matched with the safety lock cylinder.
Safety lock cylinder
The invention discloses a safety lock cylinder. The safety lock cylinder comprises an outer sleeve, a middle sleeve positioned in the outer sleeve, an inner sleeve positionedin the middle sleeve, a lock hole formed in the inner sleeve, a lock rod sleeve penetratingupwards from the upper end of the inner sleeve, and a limiting ring which sleeves the lock rod sleeve and is provided with a 90-degree unfilled corner, wherein two opposite mechanical positioning teeth are formed on the inner wall of the lower end of the lock hole; a first accommodating cavity and a second accommodating cavity are formed in the joint of the upper ends of the inner sleeve and the outer sleeve; the position of the first accommodating cavity is higher than that of the second accommodating cavity; a first spring is arranged at the bottom of the first accommodating cavity; a third magnetic pillar is arranged at the top of the first accommodating cavity; the bottom end of the third magnetic pillaris propped against the first spring; a second spring is arranged at the bottom of the second accommodating cavity; a fourth magnetic pillar is arranged at the top of the second accommodating cavity; the bottom end of the fourth magnetic pillar is propped against the second spring; the third magnetic pillar and the fourth magnetic pillar are in magnetic cooperation with a first magnetic pillar and a second magnetic pillar of a key which is matched with the safety lock cylinder.
Safety lock cylinder
CHEN QIANFENG (author) / LI FANGBO (author)
2015-04-08
Patent
Electronic Resource
English