Safety handle for mechanical lock

The utility model relates to a safety handle for a mechanical lock, which belongs to the technical field of mechanical locks and particularly comprises a handle shifting wheel mounted on a mechanical lock fixing plate, an annular control plate is arranged on the circumference of the handle shifting...

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Bibliographic Details
Main Authors ZHU QIAOHUI, YUAN JING, XU CHANGJIE, WEN ANDA
Format Patent
LanguageChinese
English
Published 05.11.2021
Subjects
ACCESSORIES THEREFOR
FIXED CONSTRUCTIONS
HANDCUFFS
KEYS
LOCKS
SAFES
WINDOW OR DOOR FITTINGS
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Summary:The utility model relates to a safety handle for a mechanical lock, which belongs to the technical field of mechanical locks and particularly comprises a handle shifting wheel mounted on a mechanical lock fixing plate, an annular control plate is arranged on the circumference of the handle shifting wheel, a shifting V-shaped groove is arranged on the annular control plate, and a step through hole is arranged in the center of the handle shifting wheel. An inner rotating column and an outer rotating column are further installed in the step through hole, non-conducting square shaft holes are formed in the inner rotating column and the outer rotating column respectively and used for connecting an inner door opening rotating square shaft and an outer door opening rotating square shaft respectively, the inner rotating column is connected with the handle shifting wheel through a limiting mechanism, and two limiting column arc-shaped grooves are formed in the circumference of the outer rotating column; two limiting c
Bibliography:Application Number: CN202120405160U