Magnetic Blocking Fastener for Secure Latching and Easy Release
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Solution Overview
Problem
Existing fastening devices for applications like bicycle fenders lack a reliable and easy-to-use mechanism for securing and releasing the fastening assembly, often resulting in insecure attachment and cumbersome detachment processes.
Innovation Solution
A fastening device incorporating a blocking part with magnetic elements and a fixing element that interacts with latching elements to secure the connection between the base part and the fastening assembly, allowing for easy attachment and secure release through magnetic attraction and threaded engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a latching element is used to produce positive connection between base part and fastening assembly, then reliable fastening is achieved, but the fastening becomes difficult to release
Solution Approach 1:
The fastening device is divided into functionally independent parts: a base part with latching elements for secure attachment, and a separate blocking part that can be independently attached to lock the latching elements. This segmentation allows the fastening function to be separated from the locking function, enabling reliable fastening while maintaining easy release capability through the separate blocking part.
Solution Approach 2:
The blocking part acts as an intermediary element between the base part and the fastening assembly. It mediates the locking function by interacting with the latching elements without being permanently integrated into either component. This intermediary blocking part can be easily attached and detached to control the locked state, solving the contradiction between secure fastening and easy release.
2Ease of operation
If magnetic elements are used to connect blocking part to base part, then easy attachment is achieved, but connection strength may be insufficient under shock loads
Solution Approach 1:
The magnetic elements provide preliminary attraction that guides and facilitates the initial attachment of the blocking part to the base part. This preliminary magnetic action makes the attachment process easy and intuitive. Once attached, the mechanical interlocking through the fixing element and latching elements takes over to provide the necessary strength under shock loads, combining the benefits of both magnetic and mechanical connection methods.
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 solution provides a reliable and easy-to-use fastening mechanism that securely attaches the fastening assembly to the base part while allowing for simple detachment, enhancing user convenience and resistance to shock loads.
Implementation Method 1
the base part and/or the fastening assembly includes a first magnetic element and the blocking part includes a second magnetic element, which cooperate with each other in a magnetically attracting manner when the base part and the blocking part are connected to each other
Data Source
AI summary
A fastening device includes a base part and a fastening assembly, which can be fitted to each other along a fitting direction, and at least one latching element which is arranged on the base part or the fastening assembly. The base part and the fastening assembly in a fitted position are positively connected to each other via the at least one latching element. There is additionally provided a blocking part which in the fitted position of the base part and the fastening assembly can be connected to the base part, where at least one of the base part and/or the fastening assembly includes a first magnetic element and the blocking part includes a second magnetic element, which cooperate with each other in a magnetically attracting manner when the base part and the blocking part are connected to each other, where the blocking part includes a fixing element.