Electronic Assembly Stylus Magnetic Fixation Mechanism
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Solution Overview
Problem
Existing electronic devices lack a secure fixation mechanism for styluses, leading to frequent falling out of reserved spaces, which complicates user interaction and device design.
Innovation Solution
An electronic assembly with a stylus that includes a sleeve and pen rod, utilizing magnetic connections and sliding mechanisms to securely accommodate the stylus within a receiving groove, ensuring tight fixation and minimal space occupation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a stylus is placed in a reserved space of an electronic device, then the stylus can be conveniently stored and accessed, but the stylus is liable to fall out due to lack of secure fixation
Solution Approach 1:
The patent replaces traditional mechanical fixation mechanisms (such as clips, latches, or friction-fit structures) with a magnetic field-based connection system. The housing contains a first magnetic portion that magnetically attracts the second magnetic portion on the stylus, providing secure retention without complex mechanical parts. This substitution maintains reliability while preserving ease of operation, as the magnetic force automatically engages when the stylus is inserted and releases when pulled out.
2Reliability
If a secure fixation mechanism is added to prevent stylus from falling out, then the reliability of stylus retention is improved, but the device complexity increases
Solution Approach 1:
The patent simplifies the fixation mechanism by replacing complex mechanical structures with a magnetic field-based system. The first magnetic portion integrated into the housing and the second magnetic portion on the stylus create a simple yet effective connection that requires no moving parts, springs, or intricate assembly, thereby reducing device complexity while maintaining high reliability.
Solution Approach 2:
The magnetic connection system serves multiple functions: it provides secure retention of the stylus, enables easy insertion and removal, and requires no additional control mechanisms. This multi-functionality reduces the overall complexity of the fixation system compared to mechanical alternatives that would require separate components for engagement, disengagement, and positioning.
3Reliability
If a magnetic connection system is used to fix the sleeve to the housing, then the fixation reliability is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The magnetic connection system tolerates greater dimensional variations compared to mechanical fixation methods. Magnetic forces can effectively engage over larger gaps and with less precise alignment than mechanical interlocking structures, thereby reducing manufacturing precision requirements while maintaining reliable fixation.
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 secure and space-efficient accommodation of the stylus, enhancing user interaction by preventing accidental falls and allowing for a thinner, lighter electronic device design.
Implementation Method 1
the first connecting element includes a first magnetic portion, the second connecting element includes a second magnetic portion corresponding to the first magnetic portion, and the second magnetic portion and the first magnetic portion are magnetically attracted to fix the sleeve to the housing
Implementation Method 2
the electronic device further includes a third magnetic portion disposed corresponding to the receiving groove, the pen rod includes a fourth magnetic portion corresponding to the third magnetic portion, and the fourth magnetic portion is disposed at the first end, when the sleeve sleeves the second end, and the first end is located in the receiving groove, the fourth magnetic portion and the third magnetic portion are magnetically attracted to position the first end in the receiving groove
Data Source
AI summary
An electronic assembly including an electronic device and a stylus is provided. The electronic device includes a housing having a receiving groove and an opening, the opening communicating with the receiving groove, and a first connecting element disposed around the opening. The stylus includes a sleeve and a pen rod. The sleeve has a second connecting element and corresponds to the receiving groove. The second connecting element is combined with the first connecting element to fix the sleeve to the housing. The pen rod is slidably disposed in the sleeve and has a first end and a second end opposite to each other, and a third connecting element located at the first end.