Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses an anti-theft lock. The anti-theft lock comprises a shell; a core sleeve and an inner core form a lock core; an open hole is formed at the middle of the shell; the inner core is inserted into the core sleeve; the core sleeve is inserted into the open hole; an internal pressing limiting block is inserted into an insertion hole; a bit is inserted into a trench hole; unlocking blades are located at the outer side of the inner core; a clamp spring is located at one side of the shell and sleeves one end of the core sleeve; sliders and the internal pressing limiting block are respectively provided with an inner pressing element; the sliders are inserted into slide grooves; the slide grooves and the insertion hole are located on the shell; the inner core is provided with a plurality of blade pits for accommodating the unlocking blades; two sets of unlocking blades are arranged in each blade pit; the two sets of unlocking blades are of a complete circle structure which is formed through combining four semicircle-shaped structures; one inner circular arc of each unlocking blade is provided with a limiting protrusion; the limiting protrusions are matched with tooth slots of one key; and the edges of each set of unlocking blades are provided with a plurality of unlocking grooves. The anti-theft lock of the invention can be prevented from being unlocked freely, and anti-theft performance can be improved, and error unlocking rate can be decreased.
The invention discloses an anti-theft lock. The anti-theft lock comprises a shell; a core sleeve and an inner core form a lock core; an open hole is formed at the middle of the shell; the inner core is inserted into the core sleeve; the core sleeve is inserted into the open hole; an internal pressing limiting block is inserted into an insertion hole; a bit is inserted into a trench hole; unlocking blades are located at the outer side of the inner core; a clamp spring is located at one side of the shell and sleeves one end of the core sleeve; sliders and the internal pressing limiting block are respectively provided with an inner pressing element; the sliders are inserted into slide grooves; the slide grooves and the insertion hole are located on the shell; the inner core is provided with a plurality of blade pits for accommodating the unlocking blades; two sets of unlocking blades are arranged in each blade pit; the two sets of unlocking blades are of a complete circle structure which is formed through combining four semicircle-shaped structures; one inner circular arc of each unlocking blade is provided with a limiting protrusion; the limiting protrusions are matched with tooth slots of one key; and the edges of each set of unlocking blades are provided with a plurality of unlocking grooves. The anti-theft lock of the invention can be prevented from being unlocked freely, and anti-theft performance can be improved, and error unlocking rate can be decreased.
Anti-theft lock
LI HAOYUAN (Autor:in)
12.08.2015
Patent
Elektronische Ressource
Englisch
IPC:
E05B
LOCKS
,
Schlösser