Buckle with String for Securing Folded Strap Excess
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Solution Overview
Problem
Conventional buckles leave a redundant superfluous section of strap that can be hazardous and unsightly, as it may swing, entangle, or hook objects, and lacks a neat arrangement.
Innovation Solution
A buckle design incorporating a first and second buckle member with a string on the engaging portion to securely fix a folded strap, preventing the superfluous section from drooping or swinging by using a flexible nylon loop that can be detached.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional buckle connects two loose ends of a strap, then the strap can be adjusted to fit different users, but a superfluous section of strap is left over that cannot be neatly arranged
Solution Approach 1:
The buckle is divided into two separate members: a first buckle member connected to the shoulder strap and a second buckle member connected to the adjusting strap. This segmentation allows the adjusting strap to be folded and secured separately from the main strap connection, enabling neat arrangement of the superfluous section while maintaining adjustability.
Solution Approach 2:
The superfluous section of the adjusting strap is folded back and nested within the space between the first and second buckle members. The string then secures this nested configuration, keeping the excess strap neatly arranged and preventing it from swinging or entangling.
2Ease of operation
If the superfluous section of the strap is left hanging, then the strap adjustment function is maintained, but the strap may swing, entangle, or hook objects causing safety hazards
Solution Approach 1:
The string is pre-provided on the second buckle member, ready to secure the superfluous section of the adjusting strap. After adjusting the strap to the desired length, the user simply folds the excess strap and uses the pre-positioned string to secure it, preventing swinging and entanglement hazards.
Solution Approach 2:
The string acts as an intermediary element between the buckle members and the superfluous strap section. It mediates by securing the excess strap to the second buckle member, preventing it from becoming a hazard while maintaining the adjustment function.
3Shape
If a string is added to secure the folded strap, then the superfluous section can be neatly fixed, but the device complexity increases
Solution Approach 1:
The string is integrated with the second buckle member by providing it directly on the buckle member rather than as a separate component. This merging of the string with the buckle structure eliminates the need for additional separate parts, reducing device complexity while still achieving neat strap arrangement.
Solution Approach 2:
The second buckle member is designed with the string already attached, making it self-sufficient for securing the superfluous strap section. The buckle member itself provides the means to secure the strap, eliminating the need for external fastening components.
Data Source
AI summary
A buckle capable of fixing a folded strap is disclosed, which includes a first buckle member, a second buckle member, and a string. The first connecting portion has a first connecting portion and a first buckling portion, and is adapted to be connected to a strap. The second buckle member has a second connecting portion, a second buckling portion, and an engaging portion, and is adapted to be connected to the strap or another strap. The second buckling portion is adapted to be detachably engaged with the first buckling portion. The string is provided on the engaging portion, and is adapted to fix the strap or the another strap. Said buckle could be applied with any kind of straps, such as belts, straps of a backpack, or waistbands. After the strap is adjusted, a superfluous section of the strap could be folded and then fixed by the string.