Automatic alarm double-key interlocking anti-theft lock

Abstract

The invention discloses an automatic alarm double-key interlocking anti-theft lock. A lock body is arranged in a fixed shell of the anti-theft lock, a fixed contact is fixed on the lock body, a rotary contact is fixed on a lock cylinder, the lock cylinder is arranged in the lock body, the front portions of the lock body and the lock cylinder are provided with interlocking covers, the interlocking covers are provided with interlocking key holes and abutting-against needle bearing holes, a locking needle hole is formed in an ejection column, an interlocking hole is formed in the lock body, a channel of the interlocking hole and the centre hole is provided with an interlocking spring, a centre, a locking needle and an abutting-against needle, the back end of the locking cylinder is connected with a link mechanism, and the interlocking key holes are used for unlocking interlocking devices; an electronic telecontrol device, the rotary contact and the fixed contact are connected into a power supply circuit of an electromagnet, and an iron core of the electromagnet is connected with a locking transverse piece. The ejection column can be transversely locked through the centre and the locking needle, the circuit of the electromagnet is disconnected through the electronic telecontrol device, an interlocking key is separated from a specially-matched key, alarming, theft prevention, hiding and interlocking are achieved through the arrangement of an alarm circuit, a theft and an unlocking person cannot unlock the interlocking device and rotate the lock cylinder, and a circuit of the electromagnet cannot be connected.

Description

technical field [0001] The invention relates to an automatic alarm double-key interlocking anti-theft lock in the field of anti-theft locks. Background technique [0002] There are many kinds of anti-theft locks that are used now, but basically the key that adopts rotates to drive the dead bolt to open the anti-theft lock, so that a thief or the king of unlocking has just opened the anti-theft lock easily. There are basically no anti-theft locks that thieves and unlocking kings cannot open. Contents of the invention [0003] The purpose of the present invention is to provide a kind of anti-theft lock with automatic alarm double-key interlocking anti-theft lock that cannot be opened by thieves and unlocking kings and its method. [0004] In order to achieve the above object, the automatic alarm double-key interlock anti-theft lock of the present invention mainly includes a fixed shell, a lock body, a lock cylinder, a lock holding hole, a bullet, a top post, a top post spri...

AI Technical Summary

Problems solved by technology

[0002] There are many kinds of anti-theft locks in use now, but basically the key is rotated to drive the bolt to open the anti-theft lock, so that the thief or the locksmith can easily The anti-theft lock is opened

There are basically no anti-theft locks that can't be opened by thieves and locksmiths.

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