Clipping Device Switch Mechanism Prevents Accidental Fastener Release
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional clipping devices lack a securing mechanism to prevent accidental disengagement of the fastener between the lock assembly and the first arm, leading to a risk of articles being held falling apart.
Innovation Solution
A clipping device with a switch that shifts between two positions to control the displaceability of the fastener, ensuring secure engagement between the lock assembly and the first arm, preventing accidental release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional clipping device uses a simple fastener engagement mechanism, then the device structure remains simple and easy to manufacture, but the fastener can accidentally disengage due to unintentional operation
Solution Approach 1:
The switch mechanism transforms the static fastener engagement into a dynamic system with two distinct states: a locked state where the fastener is secured and cannot disengage accidentally, and an unlocked state where the fastener can be freely engaged or disengaged. This dynamic state control resolves the contradiction by providing high reliability when locked while maintaining operational flexibility when unlocked.
Solution Approach 2:
The switch acts as an intermediary component between the user's operation and the fastener engagement. It mediates the control of the fastener's displaceability, allowing the system to achieve secure engagement (improving reliability) without requiring the entire structure to be complex, as only the switch mechanism adds complexity rather than the entire device.
2Reliability
If the fastener is made permanently secure to prevent accidental disengagement, then reliability improves, but the ease of operation for intentional release deteriorates
Solution Approach 1:
The system dynamically adjusts the fastener's displaceability based on the switch state. When the switch is in the locked position, the fastener becomes permanently secure, preventing accidental disengagement. When the user needs intentional release, they can operate the switch to the unlocked position, immediately restoring the fastener's displaceability and ease of operation. This dynamic transformation resolves the contradiction between security and operational flexibility.
Solution Approach 2:
The switch mechanism preliminarily prevents accidental disengagement by securing the fastener in the locked state through a design that specifically counteracts unintentional operations. At the same time, it preserves ease of intentional release by providing a dedicated switch operation that users can perform when they need to release the engagement, thus preventing the harmful effect of accidental disengagement while maintaining the beneficial effect of easy intentional release.
Data Source
AI summary
A clipping device includes a first arm having a body portion that includes a connecting portion and a fastener at two ends thereof, respectively; a second arm having a body portion that includes a connecting portion and a fastener-receiving portion at two ends thereof, respectively, wherein the connecting portion is connected to the connecting portion of the first arm; and a lock assembly having a fastener removably engaged with the fastener of the first arm and a switch being shiftable between a first position and a second position. When the switch is at the first position, the fastener of the lock assembly is displaceable, and when the switch is at the second position, the fastener of the lock assembly is not displaceable.