Panel Lock Assembly Synchronous Displacement Mechanism
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Solution Overview
Problem
Existing panel lock mechanisms often fail to securely lock a panel in a closed position relative to a strike jamb, especially under extreme conditions of forceful or rapid closure, and may not provide reliable deadlock functionality without additional mechanisms.
Innovation Solution
A panel lock assembly with a synchronous displacement mechanism that initiates the locking element's motion during the panel's closing motion, ensuring the locking element is fully engaged before the panel reaches the closed position and transitioning into a deadlock state, utilizing a bistable spring configuration and unidirectional linkages for reliable locking and unlocking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional lock mechanism is used, then the structure is simple, but the locking reliability under extreme conditions is insufficient
Solution Approach 1:
The synchronous displacement mechanism initiates the locking element's motion during the panel's closing motion, ensuring the locking element is fully engaged before the panel reaches the closed position. This preliminary action ensures reliable locking before extreme forces are applied.
Solution Approach 2:
The mechanism uses a bistable spring configuration that transitions between unlocked and locked states dynamically during the closing motion. The spring configuration changes its mechanical properties based on the panel's position, providing automatic locking without complex control systems.
2Reliability
If the locking element engages early during closing motion, then the locking reliability is improved, but the risk of premature engagement before proper alignment is increased
Solution Approach 1:
The synchronous displacement mechanism acts as an intermediary between the panel closing motion and the locking element actuation. It uses the panel's own closing motion as the actuating force, ensuring proper alignment is achieved naturally during closure before the locking element engages.
Solution Approach 2:
The mechanism provides inherent feedback through the synchronous displacement linkage, which only allows the locking element to engage when the panel has reached the correct position in its closing motion. The geometry of the linkage ensures proper sequencing without additional sensors or controls.
3Manufacturing precision
If a synchronous displacement mechanism is implemented, then the locking timing is improved, but the device complexity increases
Solution Approach 1:
The synchronous displacement mechanism uses the panel's own closing motion to actuate the locking element, eliminating the need for separate motors, sensors, or control systems. The mechanism serves itself by converting the closing motion's energy and movement into the locking action.
Solution Approach 2:
The mechanism combines the closing motion and locking actions into a single integrated system. The synchronous displacement linkage merges these two functions, reducing the number of separate components and simplifying the overall device architecture.
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 provides reliable and secure locking by ensuring the locking element is fully engaged before the panel is closed, maintaining the lock even under extreme conditions, and allows for efficient unlocking using various release mechanisms, enhancing the panel's security and operational reliability.
Implementation Method 1
a resilient biasing element associated with the strike jamb or the panel and deployed to be elastically deformed by the further part of the closing motion so that the resilient biasing element biases the panel to return towards the first position
Implementation Method 2
the locking element is interposed between surfaces of the panel and the strike jamb to oppose forces directed to displace the panel towards the open position, thereby locking the panel to the strike jamb
Data Source
AI summary
An apparatus for locking a panel to a strike jamb includes a synchronous displacement mechanism associated with a locking element (108) which is responsive to part of a closing motion of a panel (104) from an open position towards a closed position to initiate a motion of locking element (108) towards the locked position during the closing motion of the panel prior to the panel reaching its closed position. The synchronous displacement mechanism preferably has a “deadlock state” when the locking element is in the locked position which prevents displacement of the locking element towards the unlocked position.