Three-bolt lock

The utility model provides a three-rod lock, comprising a front handle (1), a lock bladder (2), a lock tongue part (3), a lock core rod (5), a positioning rod (6), a front retaining cover (7), a rear retaining cover (8), a rear handle (9) and a safety knob (10), a humper (11), a safety cylinder (12)...

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Bibliographic Details
Main Author HUAXUAN LI
Format Patent
LanguageEnglish
Published 09.07.2003
Edition7
Subjects
ACCESSORIES THEREFOR
FIXED CONSTRUCTIONS
HANDCUFFS
KEYS
LOCKS
SAFES
WINDOW OR DOOR FITTINGS
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Summary:The utility model provides a three-rod lock, comprising a front handle (1), a lock bladder (2), a lock tongue part (3), a lock core rod (5), a positioning rod (6), a front retaining cover (7), a rear retaining cover (8), a rear handle (9) and a safety knob (10), a humper (11), a safety cylinder (12), a recovery spring (13) and a safety rubber (14). The humper (11) passes through the lock core rod (5); two ends of the humper (11) are respectively connected with the safety knob (10) and the lock bladder (2); the rear surface of the lock bladder (2) and the humper (11) are sequentially provided with the safety rubber (14), the safety cylinder (12) and the recovery spring (13); a lug boss (16) on the top of the safety cylinder (12) is embedded into a concave trough (15) at the tail of the safety rubber (14); one end of the recovery spring (13) is pressed on the safety cylinder (12) and the other end is pressed on a front blocking plate (4); the upper side and the lower side of the safety cylinder (12) are protruded out of a hook (17) which is embedded into a positioning trough (18) arranged by the front retaining cover (7). The utility model has the advantages of simple structure, more reliable work, low manufacture cost, convenient application and low manufacturing cost.
Bibliography:Application Number: CN2002271807U