Lock capable of interchanging lock handle left and right

Abstract

The invention provides a lock capable of interchanging a lock handle left and right. The lock comprises a lock shell, the handle and a transmission shaft. The outer surface of the left end of the transmission shaft is sleeved with a first rolling bearing. A first sleeve is arranged on the upper side of the first rolling bearing. The end of the handle penetrates through a first through hole to be inserted into a blind hole. A limiting rod is arranged in a first limiting groove. The limiting rod penetrates through a round hole and is engaged into a first inner thread cylinder through a second outer thread. A first gear is fixed to the outer surface of the right end of a pin shaft. A second gear is installed on the ring-shaped side face of the transmission shaft. A middle gear is arranged onthe lower side of the second gear. The middle gear is engaged with the second gear. A round rod is fixed to the left end face of the middle gear. The outer surface of the left end of the round rod issleeved with a second rolling bearing. A second sleeve is arranged on the lower side of the second rolling bearing. A second limiting groove is formed in the upper side of the ring-shaped side face ofthe second sleeve. Compared with the prior art, the lock has the following beneficial effects that left and right interchanging of the handle is achieved, local replacement is achieved after the thread is damaged, and safety is improved.

Description

technical field [0001] The invention relates to a lock with left and right interchangeable lock handles, which belongs to the field of locks. Background technique [0002] Fingerprint locks are intelligent locks, which are the perfect crystallization of computer information technology, electronic technology, mechanical technology and modern hardware technology. At present, the direction of the handle on the lock is fixed, and the left and right orientation of the handle cannot be adjusted according to the needs. The versatility is insufficient. At the same time, when the part where the touch screen and the fingerprint reader are installed on the lock case is maliciously damaged, it is easy for criminals to damage other parts inside the lock case. Provide space, poor security. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the object of the present invention is to provide a lock that allows the lock handle to be interchanged between the lef...

AI Technical Summary

Problems solved by technology

At present, the direction of the handle on the lock is fixed, and the left and right orientation of the handle cannot be adjusted according to the needs. The versatility is insufficient. At the same time, when the part where the touch screen and the fingerprint reader are installed on the lock case is maliciously damaged, it is easy for criminals to damage other parts inside the lock case. Provide space, poor security

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