Pivoting Fastening Hook Prevents Breakage
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Solution Overview
Problem
Conventional fastening devices used for assembling and disassembling casing bodies are prone to breakage due to improper force application during assembly or disassembly, particularly affecting the arm portions of engaging hooks.
Innovation Solution
A fastening device comprising a lower engaging hook with a push portion and first hook portion, paired with upper engaging hooks connected pivotally between fixing plates, allowing for quick assembly and disassembly by preventing breakage through the use of inverted L-shaped arms and resilient clamp members that pivot to engage and disengage securely.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the arm portion of the engaging hook is fixed to the casing body, then the engaging hook can be retained in the engaging groove through restoring force, but the arm portion may easily break when force is applied during assembly or disassembly
Solution Approach 1:
The engaging hook is designed with a pivotable connection to the casing body instead of a fixed connection. The hook can rotate about a pivot point, allowing it to dynamically adapt to assembly and disassembly forces. This dynamic mechanism enables the hook to be pushed outward by inclined faces during engagement while maintaining retention capability through its restoring force, thereby preventing breakage of the arm portion.
2Device complexity
If conventional fastening devices are used for assembling casing bodies, then the structure can be simplified, but the arm portions are prone to breakage due to improper force application
Solution Approach 1:
The engaging hook is designed with a pivotable connection to the casing body instead of a fixed connection. The hook can rotate about a pivot point, allowing it to dynamically adapt to assembly and disassembly forces. This dynamic mechanism enables the hook to be pushed outward by inclined faces during engagement while maintaining retention capability through its restoring force, thereby preventing breakage of the arm portion.
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 enables secure and quick assembly and disassembly of articles without auxiliary tools, preventing breakage of engaging hooks by allowing the upper engaging hooks to pivot outward during assembly and disengage during disassembly, enhancing the stability and usability of the fastening device.
Implementation Method 1
The upper engaging hook is connected pivotally to and disposed between the fixing plates
Implementation Method 2
The push portion pushes upward the second arm
Implementation Method 3
at least one upper engaging hook, wherein the upper engaging hook includes first and second arms formed as an inverted L-shaped configuration
Data Source
AI summary
A fastening device includes a lower engaging hook adapted to be provided on a first article and including a push portion, and at least one first hook portion spaced apart from and disposed below the push portion. Fixing plates are adapted to be provided on a second article disposed above the first article. At least one upper engaging hook is connected pivotally to and disposed between the fixing plates, and includes first and second arms formed as an inverted L-shaped configuration. The first arm extends downwardly from the second arm, and has a second hook portion to engage detachably the first hook portion. The second arm is engageable with the push portion. The upper engaging hook is pivotal to move the second hook portion to engage and move away from the first hook portion when the push portion engages and disengages from the second arm, respectively.