Password Lock Rotating Case Mechanism for Convenient Code Reset
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Solution Overview
Problem
Existing password locks, such as the coded lock disclosed in Chinese Patent Publication No. CN109184337A, are inconvenient to operate, especially in public applications where frequent password changes are required, as they necessitate manual operation of code change buttons.
Innovation Solution
An improved password lock design featuring a rotatable lock case with an inner cam groove and radial groove system that allows for automatic password wheel resetting by rotating the lock case, enabling password changes without manual button operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual code change buttons are used for password reset, then password can be changed, but operation becomes inconvenient and appearance is affected
Solution Approach 1:
The invention extracts the password change function from the traditional manual button operation and integrates it into the lock case rotation mechanism. The lock case itself becomes the interface for password modification, eliminating the need for separate code change buttons and simplifying the user interaction to a single rotational motion.
Solution Approach 2:
The patent merges the password change function with the lock case rotation operation. By combining these two functions into a single mechanical action, the system allows users to change passwords during the normal locking/unlocking rotation process, thereby improving ease of operation while maintaining password change capability.
2Adaptability or versatility
If manual code change buttons are used for frequent password changes, then password can be updated for different users, but operation becomes inconvenient
Solution Approach 1:
The invention prepares the password change mechanism in advance by integrating it into the lock case structure. The internal components (password wheels, positioning members, lifting rods) are pre-configured to automatically respond to lock case rotation, so when a user needs to change the password, the system is already ready to execute the change during the rotation action without requiring additional time or separate operations.
Solution Approach 2:
The lock case rotation mechanism automatically drives the password wheel resetting process through the lifting rod and positioning member interaction. The system serves itself by using the rotational motion to automatically position the password wheels, eliminating the need for manual button pressing and reducing the time required for frequent password updates.
3Ease of operation
If automatic password resetting is implemented through lock case rotation, then operation becomes convenient, but device complexity increases
Solution Approach 1:
The invention employs dynamic elements including the lifting rod that moves vertically during rotation, the positioning members that engage and disengage based on rotational position, and the spring mechanisms that provide automatic resetting force. These dynamic components work together to automatically reset the password wheels during lock case rotation, achieving convenient operation through controlled mechanical dynamics.
Solution Approach 2:
The lifting rod acts as an intermediary element between the lock case rotation and the password wheel positioning. It translates the rotational motion into vertical movement that engages the positioning members, which in turn control the password wheels. This intermediary mechanism allows the complex function of automatic password resetting to be achieved through a simple rotational user input.
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 improved lock provides a convenient operation method by allowing password changes through rotation of the lock case, enhancing usability in environments with multiple users and frequent password updates.
Implementation Method 1
The lock tongue spring abuts against an inner end of the lock tongue
Implementation Method 2
The password shaft spring is disposed between the password shaft assembly and the stop ring. The password change spring is sleeved on the stop ring. Two ends of the password change spring are pressed against the holder and the stop ring, respectively
Implementation Method 3
The lock case is rotatably fitted in one side of an accommodating cavity of the housing... One end of the lifting rod is inserted in the inner cam groove of the lock case by clearance fit and is moved up and down along with rotation of the lock case
Data Source
AI summary
Disclosed is an improved password lock, comprising a housing, a lock case, a password box, and a tongue; the housing is composed of a shell and a panel; the panel is fixed on the top surface of the shell to form an accommodating cavity of the housing; the middle part of the lock case is rotatably sleeved at one side of the housing; the password box is installed in the accommodating cavity of the housing, and the password box is cooperatively linked with the lock case; and the tongue is fixedly sleeved on a penetrating end, penetrating through the housing, of the lock case. The lock case can drive a slide block in the password box to move horizontally for changing a password, and therefore the operation is convenient.