Spring Plate Hollow Leg Design for Push Switch
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Solution Overview
Problem
Conventional spring plates in push switches often impair the surface quality of electrodes due to their design, and there is a need for improved structural configurations that enhance switch stroke length and user feedback, such as click feeling, while maintaining electrical connectivity.
Innovation Solution
The spring plate design features a central portion with outward-projecting leg portions, including hollow portions within their outlines, which allow for better electrode contact and support structures like additional leg portions and slant surfaces to enhance switch functionality and user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional spring plate designs are used, then structural simplicity is maintained, but surface quality of electrodes is impaired
Solution Approach 1:
The spring plate is divided into multiple leg portions (first, second, third, and fourth leg portions) that are positioned around the central portion at regular intervals. Each leg portion includes a hollow portion positioned within its outline, creating segmented contact points that reduce surface impairment while maintaining structural integrity and electrical connectivity.
Solution Approach 2:
The hollow portions are strategically positioned within the outline of each leg portion to create localized contact areas. This local quality modification allows the spring plate to maintain electrical connectivity while minimizing the contact area with electrodes, thereby reducing surface quality impairment.
2Length of moving object
If additional leg portions are added to enhance support, then switch stroke length is improved, but device complexity increases
Solution Approach 1:
The spring plate employs four leg portions positioned at regular intervals around the central portion, creating a symmetric yet functionally asymmetric structure. This configuration optimizes switch stroke length by distributing support points evenly, while the regular interval positioning maintains manufacturing simplicity and avoids excessive complexity.
3Manufacturing precision
If hollow portions are positioned within leg portion outlines, then electrode contact is improved, but manufacturing precision requirements increase
Solution Approach 1:
The hollow portions are nested within the outline of each leg portion, creating a concentric relationship between the hollow space and the leg portion boundary. This nesting configuration ensures that the hollow portions automatically align with the leg portions during manufacturing, improving electrode contact precision while simplifying the positioning process.
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
This design effectively connects electrodes, improves switch stroke length, and provides a better click feeling by minimizing surface impairment and optimizing structural support, thus enhancing the performance and user interaction of push switches.
Implementation Method 1
a spring plate includes a central portion (1); a leg portion (2) projecting outward from an edge (1c) of the central portion (1)
Data Source
AI summary
In a first aspect of the present disclosure, a spring plate includes a central portion; a first leg portion projecting outward from an edge of the central portion; and a second leg portion projecting outward from the edge of the central portion. The first leg portion includes a hollow portion that is positioned within an outline of the first leg portion in a top plan view, and the second leg portion includes a hollow portion that is positioned within an outline of the second leg portion in a top plan view.