Binding Component Concavo-Convex Fitting Hinge Damage
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Solution Overview
Problem
Conventional binding components with flexible hinge portions are prone to damage when subjected to loads from any direction, particularly when a booklet is dropped, as the hinge portion is not adequately supported to absorb impacts from various angles.
Innovation Solution
The binding component incorporates ring back portions connected by first and second ring arm portions with hinge portions, featuring concavo-convex fitting portions that guide the closure and distribute loads, reducing the stress on the hinge portions by using convex and concave surfaces to absorb impacts from any direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a flexible hinge portion is used to connect ring parts, then the ring part can be opened and closed easily, but the hinge portion is damaged when a load is applied from any direction (e.g., when the booklet is dropped)
Solution Approach 1:
The patent applies beforehand cushioning by providing load receiving surfaces (convex and concave surfaces) at the fitting portions before loads are applied. These surfaces are pre-positioned to absorb and distribute loads from any direction, preventing the hinge portion from being damaged when the booklet is dropped or subjected to impact forces.
Solution Approach 2:
The patent uses an intermediary mechanism by introducing fitting portions with convex and concave load receiving surfaces between the ring back portion and ring arm portions. These fitting portions act as intermediaries that receive and distribute loads, preventing direct transmission of impact forces to the hinge portion while maintaining the connection between components.
2Reliability
If a lock mechanism is provided in the hinge portion, then loads from a certain direction can be received, but it is difficult to correspond to loads from any direction
Solution Approach 1:
The patent applies universality by designing fitting portions with convex and concave load receiving surfaces that can receive loads from any direction. This multi-directional load receiving capability makes the structure universal in handling various impact directions, replacing the limited single-direction lock mechanism with a versatile multi-directional load distribution system.
Solution Approach 2:
The patent transitions from a single-direction lock mechanism to a multi-dimensional load receiving system by providing convex and concave surfaces that can accommodate loads from multiple directions. This dimensional expansion allows the fitting portions to handle impacts from any angle, not just a predetermined direction.
3Device complexity
If the ring arm portions are connected to the ring back portion by hinge portions, then the structure remains simple, but the hinge portion is not adequately supported to absorb impacts
Solution Approach 1:
The patent provides beforehand cushioning by equipping the fitting portions with convex and concave load receiving surfaces that are positioned in advance to absorb impacts. These surfaces are pre-configured to distribute impact forces, providing adequate support to the hinge portion without significantly increasing structural complexity.
Solution Approach 2:
The patent introduces an intermediary structure by adding fitting portions with load receiving surfaces between the ring arm portions and ring back portion. These fitting portions serve as intermediaries that absorb and distribute impact forces, protecting the hinge portion from direct impact loads while maintaining relative structural simplicity.
Data Source
AI summary
A binding component includes ring back portions, first ring arm portions, second ring arm portions and a back part to which the ring back portions are connected. Each ring back portion, each first ring arm portion and each second ring arm portion forms an annular ring part. Each ring part includes fitting portions at places where the ring back portion and the first and second ring arm portions are connected. The fitting portions are configured to be fitted by an operation of opening and closing the first and second ring arm portions with hinge portions of the ring back portion. Each fitting portion includes at least one first fitting convex portion, at least one first fitting concave portion to engage with the first fitting convex portion, at least one second fitting convex portion and a second fitting concave portion to engage with the second fitting convex portion.