chain lock

Abstract

The invention discloses an interlink lock which comprises a key, a lock cylinder and a lock body. The lock body is provided with a lock panel, the lock panel is provided with a lock tongue hole and a latch column hole, the front of the lock body is provided with the lock cylinder in a lock cylinder hole, the inside of the lock body is provided with a cipher disk, a cipher disk unlocking piece, a door handle cam set, a lock tongue and a counter lock pin, the cipher disk is in transmission connection with the lock cylinder, the cipher disk is connected with the counter lock pin, the cipher disk unlocking piece is fixedly installed on the upper portion of the lock body, the lower side of the cipher disk unlocking piece is provided with an insertion column inserted into the cipher disk, one end of the lock tongue is connected with the rotary door handle cam set, the door handle cam set is connected with three integrated latch columns, the front end of the key is inserted into the key hole of the lock cylinder, an unlocking insertion tongue is inserted into the key, a positioning cross is connected to the middle of the lock cylinder, the outside of the positioning cross is provided with a gear, a clamp spring is installed between the positioning cross and the two sections of the locking cylinder, and one side of the bottom of the lock cylinder is provided with a lock cylinder pin tumbler and a spring. The interlock lock has the advantages of being reasonable in structure and high in safety.

Description

technical field [0001] The invention belongs to the technical field of locks, and in particular relates to chain locks. Background technique [0002] Modern people are busy with their careers outside the home, and the rest time at home is very short. Due to the advanced technology, there are many lock making and unlocking experts at home and abroad, who have developed various locks and unlocking tools. Some unscrupulous businessmen use these high-tech unlocking tools to sell to locksmiths. and some people who don't know their purpose to earn a lot of ill-gotten wealth, which creates a convenient door for some criminals who have the purpose of harming others and disrupting social order, so that they cause a lot of losses to others and the society. In view of such reasons, the lock industry of various countries has produced various high-tech anti-theft locks to supply the market, but it will not take long for various unlocking tools for such locks to be manufactured, which mak...

AI Technical Summary

Problems solved by technology

[0005] The main mechanical locks on the market are to unscrew the lock core to open the whole lock, so now all kinds of anti-theft doors only consider the lock and the anti-theft door to cooperate firmly, so as to thicken the bolt and thicken the steel plate to prove that the anti-theft door has good anti-theft function , but that only works for ordinary people, not for people who are good at picking locks

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