Rotating Position-Limiting Fastener for Repeated Quick Release
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Solution Overview
Problem
Existing position-limiting devices are difficult to assemble and disassemble due to their inseparable nature, which hinders rapid and repeated coupling and separation of objects.
Innovation Solution
A position-limiting device comprising a position-limiting element and a body with blocking and fitting portions that allow for easy assembly and disassembly by rotating the position-limiting element, which penetrates a position-limited component to block or position-limit it, and includes a resilient component for enhanced functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If screws are used to fix two objects together firmly, then the coupling strength is improved, but the ease of assembly and disassembly deteriorates
Solution Approach 1:
The position-limiting element is designed to rotate between a blocking state (during assembly) and a position-limiting state (during operation). This dynamic transformation allows the device to transition from an assembly mode where the element can rotate freely to an operational mode where it restricts movement, enabling both strong coupling and easy disassembly without screws
Solution Approach 2:
The coupling device is divided into separate functional components: a body, a position-limiting element with distinct blocking and position-limiting portions. This segmentation allows the blocking portion to perform assembly function while the position-limiting portion maintains operational coupling, resolving the contradiction between strong coupling and ease of assembly
2Stability of the object's composition
If a position-limiting element is used to restrict movement, then the stability of coupling is improved, but the ease of repeated assembly and disassembly deteriorates
Solution Approach 1:
The position-limiting element dynamically switches between blocking mode (allowing assembly) and position-limiting mode (providing stability). During assembly, the element rotates to the blocking state; during operation, it transitions to the position-limiting state. This dynamic behavior enables both stable coupling and repeated assembly/disassembly operations
Solution Approach 2:
The blocking portion performs the preliminary action of guiding the position-limiting element into place during assembly. Once assembled, the element automatically transitions to its position-limiting function, providing stability without requiring additional operations for repeated assembly and disassembly
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
Enables rapid and repeated coupling and separation of objects by generating an opposing force during rotation, allowing for easy assembly and disassembly while maintaining secure coupling.
Implementation Method 1
the resilient component having two ends abutting against the position-limiting element and the body, respectively, to provide the position-limiting element with resilience or damping force
Implementation Method 2
when rotated, the restricting portion generates an opposing force and thereby blocks a surface of the position-limited component
Data Source
AI summary
A position-limiting device includes a position-limiting element and a body. The position-limiting element has a position-limiting portion and a blocking portion. The body has a corresponding blocking portion and a fitting portion. The blocking portion of the position-limiting element and the corresponding blocking portion of the body block each other such that the position-limiting element and the body are fitted together. The fitting portion is fitted to an object. The position-limiting element penetrates a position-limited component before being rotated to block or position-limit the position-limited component. Therefore, the body is fitted to the object, and the position-limiting element is rotated to position-limit or move away from the position-limited component, so as to couple together and separate the object and the position-limited component, thereby allowing two objects to be coupled together and separated repeatedly and rapidly.