Safe Door Relocking Bracket for Forced-Entry Delay
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Solution Overview
Problem
Existing safes are vulnerable to illegal opening methods, necessitating a solution to enhance safety and delay opening in case of unauthorized access.
Innovation Solution
A safe door equipped with a relocking unit that includes an actuator, relocking bracket, and relocking member to restrict the locking part's movement, combined with safety glass that breaks upon external force, providing a lock protection function and rapid activation of security measures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking device is used to secure the safe door, then the safe can be locked to prevent unauthorized access, but the locking device can be broken or drilled by third parties to unlock it
Solution Approach 1:
The relocking unit is pre-configured with a relocking member positioned to automatically engage with the locking part when the door is forced open. This preliminary positioning ensures that as soon as the locking part moves during an unauthorized opening attempt, the relocking member immediately activates to secure the door in a locked state, preventing complete breach
Solution Approach 2:
The relocking unit applies a counteracting force to the forced opening action. When the locking part is moved by external force, the relocking member engages to create an opposing locking action that prevents the door from opening, directly countering the harmful forcing action
2Ease of operation
If the locking part is moved to open the door, then the door can be opened for authorized access, but the locking part can be forced to move by external force to open illegally
Solution Approach 1:
The relocking unit converts the harmful forced opening action into a beneficial security activation. When external force attempts to move the locking part illegally, this force triggers the relocking member to engage with the locking part, transforming the attempted breach into an activated security mechanism that secures the door
3Reliability
If safety glass is added adjacent to the body part, then the glass breaks upon external force to activate security measures, but the device complexity increases
Solution Approach 1:
The safety glass itself serves as the detection mechanism. When the glass breaks due to external force, the breaking action directly activates the relocking unit through the mechanical connection, eliminating the need for separate sensors, detectors, or control systems. The glass structure performs both its protective function and the security detection function
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution improves safe security by relocking the door and delaying opening, ensuring maximum time to take appropriate measures against unauthorized access.
Implementation Method 1
an elastic spring for elastically supporting the connecting pin in the connecting groove
Data Source
AI summary
A safe door includes: a body part; a locking part configured to be in one of a locked state in which the lock part protrudes from the body part and an open state in which the locking part is deviated from the locked state; and a relocking unit configured to restrict a movement of the locking part. The relocking unit includes: an actuator; a relocking bracket provided in a bracket form covering an outer shape of the actuator and movable by operation of the actuator; and a relocking member mounted on an end of the relocking bracket and configured to restrain the locking part by movement of the relocking bracket.