Eccentric Locking Lever Belt Buckle for Wear-Resistant Self-Locking
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Solution Overview
Problem
Existing belt buckles, particularly needle and sliding buckles, face issues such as poor fit, complexity in operation, and loss of self-locking functionality due to surface wear, leading to belt slippage and inconvenience.
Innovation Solution
A belt buckle with a locking mechanism featuring a locking lever with eccentrically arranged rotating shafts that adjusts pressure through self-rotation, combined with a gear mechanism for enhanced self-locking and a detachable locking system to maintain functionality despite wear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a sliding buckle is used, then the structure is simpler than needle buckle, but the distance between the locking structure and the belt is fixed, causing loss of self-locking functionality after long-term use
Solution Approach 1:
The patent applies the dynamics principle by making the locking structure adjustable rather than fixed. The locking lever can rotate around an eccentric shaft, allowing the distance between the locking structure and the belt to be dynamically adjusted. This dynamic adjustment enables the locking structure to maintain proper contact pressure with the belt even after surface wear occurs during long-term use, thereby preserving self-locking functionality while keeping the overall structure relatively simple.
2Duration of action of stationary object
If the locking structure surface becomes smooth after long-term use, then friction decreases, but the belt cannot self-lock and slips
Solution Approach 1:
The patent applies the parameter changes principle by introducing an eccentric shaft that allows adjustment of the locking structure's position relative to the belt. This parameter adjustment compensates for the decrease in friction caused by surface smoothness over time. By changing the positional parameter of the locking structure through rotation of the eccentric shaft, the system maintains adequate contact pressure and self-locking capability throughout the entire service life, preventing belt slippage even when surfaces wear smooth.
3Ease of manufacture
If needle buckles are used, then the belt can be fastened, but gaps exist between the buckle and body, requiring manual addition and complicating the structure
Solution Approach 1:
The patent applies the merging principle by integrating the locking structure directly into the buckle body as a unified component. The locking lever with the eccentric shaft is formed as one piece with the buckle body, eliminating the gaps and separate components found in needle buckles. This integration simplifies the overall structure by removing the need for manual addition of separate locking elements, while still maintaining the ability to fasten the belt securely.
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 belt buckle ensures reliable self-locking and durability by adapting to surface wear, simplifying operation, and allowing easy adjustment, thereby preventing slippage and enhancing user experience.
Implementation Method 1
the rotating shafts are eccentrically arranged on end faces of the adjusting part, so that when the adjusting part is at an angle of squeezing the belt, the rotating shafts are eccentric to a side adjacent to a head end of the body
Implementation Method 2
a locking lever for adjusting a pressure on a surface of the belt by self-rotation so as to adjust a locking state of the belt
Data Source
AI summary
The present disclosure provides a belt buckle and a belt, comprising a body and a locking mechanism, wherein the body is provided with a connecting part for fixing the fixed end of a belt; the locking mechanism comprises a locking lever for adjusting the pressure on the surface of the belt through self-rotation, the locking lever is provided with an adjusting part for squeezing the belt, both ends of the adjusting part are provided with rotating shafts by which the adjusting part can rotate by itself on the body, and the rotating shafts are eccentrically arranged on the end faces of the adjusting part.