A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
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.
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.
Fixation opening device anti-theft safety door and use method
| European Patent Office | 2020