Buckle Clamping Web Segmentation for High Tensile Force Retention
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Solution Overview
Problem
Existing buckles fail to effectively absorb high tensile forces without causing the band to slip out or become damaged, especially under increased torque conditions.
Innovation Solution
The buckle features a clamping web with a protruding clamping leg and a pivotable design, along with a surface featuring elevations and depressions to increase contact area, enhancing retention forces and torque transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the contact surface area of the band on the clamping web is increased, then the retention forces are increased, but the device complexity is increased
Solution Approach 1:
The clamping web is segmented into a clamping web main body and a separate clamping leg that protrudes beyond the main body. This segmentation allows the clamping leg to specifically engage with the band, increasing the contact surface area and retention forces without significantly complicating the overall device structure.
Solution Approach 2:
The clamping leg extends in a direction perpendicular to the main body surface, adding a dimensional element that increases contact area with the band. This protruding structure engages the band in multiple dimensions, enhancing retention forces while maintaining structural simplicity.
2Force
If the clamping web is made pivotable about a pivot axis, then the torque transmission is increased, but the device complexity is increased
Solution Approach 1:
The clamping web is designed to be pivotable about a pivot axis, transforming it from a static component to a dynamic one. This pivotability allows the clamping web to rotate and engage the band more effectively, increasing torque transmission capability while adding minimal mechanical complexity through a simple pivot connection.
3Strength
If the surface of the clamping web has elevations and depressions, then the contact surface area is increased, but the manufacturing precision requirements are increased
Solution Approach 1:
Instead of modifying the entire clamping web surface, elevations and depressions are applied locally to specific regions of the clamping web that contact the band. This localized surface modification increases the contact surface area and tensile force absorption capability while minimizing the impact on manufacturing precision requirements, as only specific areas require detailed geometric control.
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
This configuration allows the buckle to absorb significantly higher tensile forces without slippage or damage to the band, providing a strong and adjustable connection.
Implementation Method 1
the contact surface area of the band on the clamping web is increased. As a result, the retention forces are increased
Implementation Method 2
the band which is under tension may transmit a higher torque onto the clamping web via the clamping leg, thereby additionally reinforcing the clamping action
Implementation Method 3
the surface of the clamping web that faces the band which is guided around the clamping web and/or the optionally provided opposing web has at least regionally a succession of elevations and depressions for increasing the contact surface area
Data Source
AI summary
A buckle (1) for fixing at least one band (2), the buckle (1) having at least one buckle main part (3) and at least one clamping web (5) which is mounted on the buckle main part (3) in a movable manner in at least one movement direction (4) in order to clamp the band (2) that is guided around the clamping web (5). The clamping web (5) has at least one clamping web main part (6) that is mounted on the buckle main part (3) in a movable manner and a clamping leg (7) that projects beyond the clamping web main part (6) in order to contact the band (2) that is guided around the clamping web (5).