Adjustable Cable Clamp for LED Drivers
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Solution Overview
Problem
Existing cable clamps for LED drivers are often difficult to install, have limited adjustability, and degrade over time, restricting their reliability and flexibility in accommodating various cable sizes and diameters.
Innovation Solution
A cable clamp design featuring a clamp cover and gear with an adjustable bracket that can be positioned perpendicular to the cable, utilizing a clip for secure locking without screws, and guided by inclined guiding portions to accommodate different cable sizes and shapes, ensuring easy installation and reliable clamping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If screws are used to lock the clamp cover and clamp gear, then the clamping force can be adjusted, but the installation process becomes time-consuming and complex
Solution Approach 1:
The patent replaces the traditional screw-based mechanical fastening system with a snap-fit mechanism consisting of clip openings and clip noses. This substitution eliminates the need for tools and multiple tightening steps while maintaining secure connection, directly resolving the contradiction between ease of installation and reliable clamping.
Solution Approach 2:
The cable clamp is designed to be self-adjusting through the bracket mechanism that automatically positions itself to accommodate different cable diameters. The snap-fit connection also provides self-locking capability, eliminating the need for manual adjustment and securing operations, thereby simplifying the installation process while maintaining strong clamping force.
2Ease of operation
If clips are used instead of screws, then the installation becomes easier, but the achievable pressing force is restricted
Solution Approach 1:
The patent incorporates an adjustable bracket that can move along the cable axis to accommodate different cable diameters. This dynamic adjustment capability allows the clip mechanism to optimize its clamping position and maximize pressing force for each specific cable size, overcoming the limitation of fixed-geometry clip designs.
Solution Approach 2:
The bracket's position along the cable axis is variable, allowing the clamping parameters to be adjusted according to different cable diameters. This parameter change enables the same clip mechanism to generate sufficient pressing force across a range of cable sizes by optimizing the lever arm and contact points.
3Device complexity
If the cable clamp is designed for certain cable diameters, then the structure can be simplified, but the adaptability to different cable sizes is reduced
Solution Approach 1:
The cable clamp is divided into modular components: a clamp cover, a clamp gear, and an adjustable bracket. This segmentation allows the bracket to be independently positioned to accommodate different cable diameters while the overall structure remains relatively simple. Each component maintains basic geometric forms, avoiding excessive complexity.
Solution Approach 2:
The adjustable bracket serves multiple functions: it accommodates different cable diameters, provides strain relief, and maintains proper cable positioning. This multi-functionality allows a single device design to handle various cable sizes without requiring multiple specialized clamp variants, achieving versatility with minimal structural complexity.
Data Source
AI summary
A cable clamp for holding a cable, preferably for an LED driver, including a clamp cover and a clamp gear which can be joined together, thereby defining an inner space for accommodating a portion of the cable, and a bracket placed inside the inner space and configured to apply a clamping force on the cable, wherein the bracket is adjustable in a direction perpendicular to the axial direction of the cable such that the bracket can take different positions in the joined state.