Hinged Locking Element for Vibration-Resistant Lock Security
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Solution Overview
Problem
Existing lock systems with followers can be manipulated through external vibrations, allowing unauthorized access, as the interaction element can be momentarily displaced, enabling the follower to allow unauthorized movement of the latch.
Innovation Solution
A security system for locks that includes a hinged locking element with a hinge shaft, a support portion, and a locking portion, configured to rotate and lock the interaction element when excessive vibrations are detected, preventing unauthorized movement of the follower and latch.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a follower mechanism is used to transmit opening movement to the latch, then the lock can be opened smoothly, but the interaction element can be momentarily displaced by external vibrations allowing unauthorized access
Solution Approach 1:
The locking element is designed to rotate between two positions: a first position where it allows follower movement for normal opening, and a second position where it blocks the interaction element to prevent vibration-based manipulation. This dynamic switching capability resolves the contradiction by adapting the lock's behavior based on operational needs versus security threats.
Solution Approach 2:
The system applies preliminary anti-action by detecting vibrations before they can cause unauthorized opening and responding by rotating the locking element to a blocking position. This preemptive measure counteracts the harmful effect of vibrations before they can exploit the interaction element's momentary displacement.
2Ease of operation
If the interaction element is allowed to move freely in the recess, then the follower can transmit movement easily, but the lock becomes vulnerable to manipulation through vibration
Solution Approach 1:
The locking element dynamically changes its position based on detected vibrations. During normal operation, it remains in the first position allowing free movement of the follower and interaction element. When vibrations are detected, it rotates to the second position to block the interaction element, thus adapting to different operational states to maintain both ease of operation and security.
Solution Approach 2:
The locking element acts as an intermediary between the follower mechanism and the interaction element. It mediates their interaction by allowing movement during normal operation but blocking it when vibrations are detected, thus protecting the system from harmful vibrations while maintaining normal functionality.
3Reliability
If a security mechanism is added to prevent vibration manipulation, then resistance to unauthorized access improves, but the device complexity increases
Solution Approach 1:
The locking element combines multiple functions into a single component: it serves as both a movement transmission element during normal operation and a blocking element when vibrations are detected. This merging of functions avoids adding separate complex security mechanisms while still providing protection against vibration-based manipulation.
Solution Approach 2:
The locking element is designed with multi-functionality, serving different purposes in different operational states. In the first position, it enables normal follower movement; in the second position, it blocks the interaction element to prevent unauthorized access. This universal design reduces overall device complexity while maintaining high reliability.
Data Source
AI summary
The present relates to a security system for locks having a latch, a follower a recess, an interaction element configured for being inserted into the recess and a hinged locking element a hinge shaft, a support portion and a locking portion.