Belt Holding Structure With Biasing Third Bar
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Solution Overview
Problem
Conventional belt holding structures are prone to instability when the belt is positioned in certain directions, leading to loosening due to inadequate contact with the base part, resulting in an unstable belt tightening state.
Innovation Solution
A belt holding structure with a base part and moving part configuration, including a first bar, second bar, and third bar, where the moving part is rotated about a support part, and the leading end part is biased towards the first bar, with a biasing part generating force to maintain belt tension, ensuring stable contact and preventing loosening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the belt is positioned in the second direction C, then the belt can be adjusted freely, but the belt becomes unstable and loosens due to inadequate contact with the base part
Solution Approach 1:
The invention introduces a third bar extending in a direction different from the first and second bars, creating a three-dimensional bar structure. This spatial arrangement ensures that the belt contacts multiple bars (first, second, and third bars) simultaneously, providing stability in multiple directions while maintaining adjustability. The third bar specifically addresses the instability issue when the belt is positioned in the second direction C by providing additional contact points.
Solution Approach 2:
Different bars are positioned at specific locations to address local stability needs. The first bar provides contact for one direction, the second bar for another direction, and the third bar for the problematic second direction C. Each bar serves a localized function to ensure comprehensive belt stability across all possible belt positions and directions.
2Ease of operation
If the moving part is made movable to allow belt adjustment, then the belt can be tightened and loosened, but the belt may come off due to insufficient contact points
Solution Approach 1:
By adding the third bar extending in a different spatial direction from the first and second bars, the invention creates a multi-dimensional contact system. This ensures that the movable leading end part maintains continuous contact with the belt through multiple bars, preventing the belt from coming off while still allowing controlled movement for adjustment purposes.
Solution Approach 2:
The invention combines multiple bars (first, second, and third bars) into a unified base part structure that works together to retain the belt. The bars are integrated to provide collective support, ensuring that the belt is held securely by the combined action of all bars rather than relying on a single contact point.
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 configuration effectively maintains a stable belt tightening state by ensuring consistent contact between the belt and the base part, even when the belt is pulled in different directions, preventing loosening and allowing for wide-range movement without compromising stability.
Implementation Method 1
a biasing part extending while being curved from the support part toward the second bar
Data Source
AI summary
In a cross-section perpendicular to the extending direction of a support part, a first bar has a holding part that holds a belt together with a leading end part and a winding part on which the belt is wound. A third bar is positioned on one side of a virtual line α connecting a point at the holding part at which the belt is held together with the leading end part of a moving part and a point at the support part of the moving part before being moved. An operating part of the moving part extends from the support part to the other side relative to the virtual line α, and a biasing part of the moving part generates biasing force in such a direction that the leading end part is moved toward the first bar.