Combination Lock Password Retrieval via V-Groove Engagement
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Solution Overview
Problem
Existing mechanical combination locks do not provide a straightforward method for users to retrieve their password if they forget it, leading to security issues when changing or opening the lock.
Innovation Solution
A combination lock structure featuring a round lock base, housing, fixing seat, lock cylinder, clamping plate, hasp plate, character wheels, pivot, inner sleeves, and latch, allowing users to retrieve their password by engaging V-shaped angles and grooves, and utilizing a compression spring and elastic mechanisms to facilitate unlocking and password retrieval.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mechanical combination lock is used with high security, then security is improved, but the user cannot retrieve the password if forgotten
Solution Approach 1:
The patent introduces an intermediary mechanism (the indicator window and character wheel system) that mediates between the secure locked state and the password retrieval need. When the correct combination is entered, the mechanism automatically displays the password through the indicator window, allowing retrieval without compromising security. This intermediary system bridges the gap between high security and user convenience.
2Reliability
If the lock requires correct password entry to change password, then security is maintained, but users who forget password cannot open or change the lock
Solution Approach 1:
The lock mechanism provides self-service password recovery through the indicator window system. When the correct combination is entered, the system automatically displays the password through the indicator window without requiring external intervention or compromising security protocols. This allows users to retrieve their own passwords while maintaining the security of the locking mechanism.
3Ease of operation
If character wheels are pivotally connected to allow rotation, then password input flexibility is improved, but the structure becomes more complex
Solution Approach 1:
The patent merges multiple functions into the character wheels: they serve as both the password input interface (rotating to select digits) and the password display mechanism (through the indicator window that reveals characters on the wheels). This consolidation reduces overall system complexity while maintaining operational flexibility for password input and retrieval.
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
Enables users to easily retrieve their password by rotating character wheels and engaging mechanisms, ensuring secure operation and password recall without needing to remember the exact sequence, thus enhancing user convenience and security.
Implementation Method 1
A compression spring is mounted between the clamping plate and the fixing seat. The clamping plate can be pushed by the compression spring to disengage the angular stop from the engaging notch.
Implementation Method 2
The hasp is connected to the hasp plate through an elastic plate. When the lock cylinder is turned to an unlocked position, the protrusion urges the convex point to move upward and the hasp is moved upward so that the hasp is pressed against the cylindrical flange.
Data Source
AI summary
A combination lock structure for simple password retrieval is provided. An inner sleeve is formed with a V-shaped groove. A clamping plate is provided with a V-shaped angle corresponding to the V-shaped groove. A hasp plate is provided with a hasp. A cylindrical flange of the inner sleeve is formed with a hasp groove for engagement of the hasp. A lower end of the hasp plate is provided with a convex point. A lock cylinder is formed with a protrusion corresponding to the convex point. When the lock cylinder is turned to an unlocked position, the protrusion urges the convex point to move upward and the hasp is moved upward so that the hasp is pressed against the cylindrical flange. When the hasp is engaged in the hasp groove, the V-shaped angle is engaged in the V-shaped groove.