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A spring lock cylinder is mainly formed by an outer drum, an active inner drum, a spring, marbles and a graphite cylinder or together with a driven shaft, a driving gear and a driven gear. In marble holes in an opened state, a marble between the spring and the driven shaft is positioned between the spring and the driven shaft, a driven shaft marble is positioned in the driven shaft, a marble between the driven shaft and the active inner drum is positioned between the driven shaft and the active inner drum, and an inner drum marble is positioned in the active inner drum. The cross sections of the marble hole and the marble are square. The upper surfaces and the lower surfaces of the marbles are provided with marble grooves; and a left opening of the marble hole of the active inner drum and two port openings of the marble hole of the driven shaft are provided with rotatable grooves and clamping opening protrusions. The driving gear and the driven gear sleeve the active inner drum and the driven shaft respectively and are snapped with each other, and the reference diameter ratio of the driving gear to the driven gear is not smaller than 1; and when a key rotates through one round to unlock a lock, the ratio is equal to the ratio of the diameter of the active inner drum to the diameter of the driven shaft and is equal to 1, 1.5, 2, 2.5 or 3. The graphite cylinder is positioned in the spring. The spring lock cylinder has the advantages of being simple and practical in structure and capable of preventing technical unlocking.
A spring lock cylinder is mainly formed by an outer drum, an active inner drum, a spring, marbles and a graphite cylinder or together with a driven shaft, a driving gear and a driven gear. In marble holes in an opened state, a marble between the spring and the driven shaft is positioned between the spring and the driven shaft, a driven shaft marble is positioned in the driven shaft, a marble between the driven shaft and the active inner drum is positioned between the driven shaft and the active inner drum, and an inner drum marble is positioned in the active inner drum. The cross sections of the marble hole and the marble are square. The upper surfaces and the lower surfaces of the marbles are provided with marble grooves; and a left opening of the marble hole of the active inner drum and two port openings of the marble hole of the driven shaft are provided with rotatable grooves and clamping opening protrusions. The driving gear and the driven gear sleeve the active inner drum and the driven shaft respectively and are snapped with each other, and the reference diameter ratio of the driving gear to the driven gear is not smaller than 1; and when a key rotates through one round to unlock a lock, the ratio is equal to the ratio of the diameter of the active inner drum to the diameter of the driven shaft and is equal to 1, 1.5, 2, 2.5 or 3. The graphite cylinder is positioned in the spring. The spring lock cylinder has the advantages of being simple and practical in structure and capable of preventing technical unlocking.
Spring lock cylinder
SONG TIANSHUN (author)
2015-08-26
Patent
Electronic Resource
English
IPC:
E05B
LOCKS
,
Schlösser
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