Security door anti-opening device and anti-theft method by means of security door anti-opening device

Abstract

The invention discloses a security door anti-opening device comprising a digital steering engine, the digital steering engine comprises a steering engine arm, the steering engine arm is connected with a metal rod, and the end of the metal rod is opposite to the end of a dead bolt of a door lock. The metal rod is driven by the steering engine arm, the motion direction of the metal rod and the motion direction of the dead bolt of the door lock are in the same straight line, in a normal state, the metal rod blocks the retreat path of the dead bolt of the door lock, and the door lock cannot be opened by keys. The security door anti-opening device also comprises a remote control module used for sending remote control instructions to a master control module, and the master control module used for receiving the remote control instructions sent by the remote control module and outputting control instructions to the digital steering engine. By employing the security door anti-opening device, thieves cannot use novel tools such as tools, skeleton keys, tinfoil and the like to open the security door, if the anti-theft protection function is not relieved, the door lock cannot be opened by any tools and keys, even original keys cannot open the security door, and an alarm is triggered to give a sound alarm. The security door anti-opening device is compact in structure and low in installation and manufacture cost.

Description

technical field [0001] The invention relates to an anti-theft door lock, in particular to an anti-theft door anti-opener designed to prevent thieves from opening the door lock with tools, master keys, tin foil, etc. and a method for anti-theft using the anti-theft door anti-opener. Background technique [0002] Anti-theft doors are suitable for civil buildings, residences, high-rise buildings, confidential rooms, financial departments, etc. The biggest feature of anti-theft doors is strong security, durable, flexible opening, and beautiful appearance. In real life, thieves often use tools, master keys, tin foil, etc. to open the anti-theft door lock. [0003] According to the "General Technical Conditions for Anti-theft Safety Doors", a qualified anti-theft door cannot be pried open by ordinary hand tools such as chisels, screwdrivers, crowbars, and portable electric tools such as electric hand drills within 15 minutes or a 615 square millimeter hole can be opened on the doo...

AI Technical Summary

Problems solved by technology

[0003] According to the "General Technical Conditions for Anti-theft Safety Doors", a qualified anti-theft door cannot be pried open by ordinary hand tools such as chisels, screwdrivers, crowbars, and portable electric tools such as electric hand drills within 15 minutes or a 615 square millimeter hole can be opened on the door leaf. Opening, or open an opening of 38 square millimeters within a semicircle of 150 square millimeters at the locking point, that is to say, the existing anti-theft door can still be opened, but some will give an alarm when it is opened, but the anti-theft door has been opened. to the ultimate anti-theft effect

[0004] Existing anti-theft locks have complex structures, high installation and production costs, cumbersome use, and poor security

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