Retractable Cable Lock Reset Mechanism
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Solution Overview
Problem
Conventional combination locks with cables lack a mechanism for easy retraction and resetting of the combination code without manual adjustment, making them cumbersome and prone to incorrect code changes.
Innovation Solution
A retractable cable lock with a combination mechanism featuring a lock body, a wheel, clutches, and dials, along with a reset mechanism comprising a reset button, retract button, and release button, allowing for secure locking, easy retraction, and independent dial rotation for code changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cable lock uses a combination mechanism with clutches and dials for secure locking, then the security and reliability are improved, but the device complexity increases and makes resetting the combination code difficult
Solution Approach 1:
A reset button is introduced as an intermediary component that, when pressed, forces the clutches to disengage from the dials. This allows the combination code to be reset without requiring manual manipulation of the complex clutch and dial mechanism, thereby maintaining security while simplifying the resetting operation.
2Reliability
If the cable is retractable into the lock body for secure storage, then the security and compactness are improved, but the ease of operation deteriorates due to lack of easy retraction control
Solution Approach 1:
The wheel is designed to automatically retract the cable into the lock body when rotated in the retraction direction. This self-service mechanism eliminates the need for manual cable management while maintaining secure storage, thereby improving ease of operation without compromising security.
3Reliability
If the dials are engaged with clutches to prevent unauthorized code changes, then the reliability is improved, but the ease of operation worsens when code changes are needed
Solution Approach 1:
The reset button serves as a mediator that temporarily overrides the engagement between dials and clutches. When pressed, it forces disengagement, allowing code changes. After resetting, the mechanism automatically re-engages, maintaining reliability while enabling easy code changes when needed.
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 secure locking and unlocking with a retractable cable, allowing users to change the combination code easily and independently, enhancing user convenience and security.
Implementation Method 1
One end of the cable is securely attached to the wheel so that it can be rewound by the wheel under a spring action
Data Source
AI summary
A cable lock has lock body, a cable and a wheel. The first end of the cable can be securely latched to the lock body and the second end is securely attached to the wheel so that the cable can be retracted into the lock body when the lock is in the open mode. The lock has a plurality of clutches and a plurality of dials to control the rotational movement of the clutches. The dials and clutches form a combination mechanism to control the locking and the unlocking of the lock using a combination code. When the setting of the dials matches the combination code, a release button can be used to release the first end of the cable from the lock body. The lock also has a retract button to enable the retraction of the cable, and a reset button to disengage the dials from the clutches.