Rotating Cable Retraction Assembly to Prevent Twist and Breakage
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Solution Overview
Problem
Existing cable retraction systems for mobile devices are inconvenient due to cable twisting or breaking, especially when extending or retracting, and are often complex in design, making it difficult to manage the cable without resistance or structural issues.
Innovation Solution
A cable retraction unit assembly with a guide housing and withdrawal unit mounted on a table, featuring a rotatable guide unit with a locking mechanism and ball bearings to reduce friction, and rollers for smooth cable retraction and extension, allowing the cable to rotate freely and adjust to different table thicknesses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cable is extended or retracted in conventional cable management systems, then the cable can be moved to different positions, but the cable twists or breaks due to friction and rotation resistance
Solution Approach 1:
The guide unit is designed to rotatably guide the cable, allowing it to dynamically adjust its orientation as the cable is extended or retracted. This rotational capability prevents the cable from twisting or breaking by accommodating natural cable movement and tension changes, thereby maintaining cable integrity while enabling easy extension and retraction operations.
Solution Approach 2:
The system changes the friction parameter by using a smooth guide surface in the guide unit that minimizes resistance to cable movement. By reducing the coefficient of friction between the cable and the guide structure, the cable can be extended and retracted smoothly without accumulating twist or experiencing breaking forces, thus improving both ease of operation and cable reliability.
2Device complexity
If a fixed guide structure is used for cable management, then the structure is simple, but the cable experiences high friction and rotation resistance
Solution Approach 1:
The guide unit incorporates a rotational capability that allows it to dynamically adjust its orientation in response to cable movement. This dynamic feature reduces friction and rotation resistance by aligning the guide surface with the cable's natural movement path, thereby improving ease of operation without significantly increasing structural complexity.
Solution Approach 2:
The guide unit modifies the friction parameter through its design, creating a low-friction interface between the cable and the guide structure. This parameter change enables smooth cable extension and retraction while maintaining a relatively simple overall device structure, balancing complexity and operational ease.
3Reliability
If the cable is constrained to prevent twisting, then cable reliability improves, but the ease of operation decreases due to increased resistance
Solution Approach 1:
Rather than rigidly constraining the cable, the guide unit provides a dynamic rotational guide that allows the cable to move freely while preventing excessive twisting. The rotational capability accommodates natural cable movement during extension and retraction, maintaining cable integrity without creating operational resistance, thus achieving both reliability and ease of operation simultaneously.
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 prevents cable twisting and breaking, reduces frictional forces, and allows easy handling of mobile devices by minimizing resistance, while being adaptable to various table thicknesses, enhancing user convenience and durability.
Implementation Method 1
a guide unit rotatably provided within the guide housing, wherein the guide unit is configured to rotate in response to a rotating direction of the cable when the cable rotates
Implementation Method 2
rollers for smooth cable retraction and extension, allowing the cable to rotate freely
Data Source
AI summary
Provided is a cable retraction unit assembly connected to a table for displaying a mobile device. The cable retraction unit assembly includes: a cable connected to a mobile device; a guide housing and a withdrawal unit respectively mounted to an upper portion and a lower portion of a table, with the cable penetrating through the guide housing and the withdrawal unit; and a guide unit rotatably provided within the guide housing, wherein the guide unit is configured to rotate in response to a rotating direction of the cable when the cable rotates, thereby being capable of preventing twisting or breaking of the cable.