Multi-Arm Spring for Flexible Terminal Grounding
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Solution Overview
Problem
Existing springs used to connect electronic components impose specific insertion direction requirements, leading to reduced assembly and disassembly efficiency and yield, as they often encounter elastic limit deformation or tearing when components are inserted at angles other than the intended direction.
Innovation Solution
The spring design incorporates multiple elastic limiting arms with wing parts and sliding grooves that allow components to be inserted from any side direction, reducing insertion force and difficulty by enabling the arms to slide along inner walls, thereby increasing elasticity and preventing deformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the spring is designed with a single elastic limiting arm structure, then the structure is simple, but the electronic component can only be inserted from a specific direction and assembly efficiency is reduced
Solution Approach 1:
The spring structure is segmented into multiple elastic limiting arms (first elastic limiting arm and second elastic limiting arm) that are disposed at different positions and orientations. Each arm independently limits movement in specific directions, enabling the spring to accept electronic components from multiple insertion directions simultaneously while maintaining structural clarity and functionality.
Solution Approach 2:
The spring is designed with multi-functional elastic limiting arms that can accommodate electronic components inserted from different directions (front, side, or other directions). The first and second elastic limiting arms work together to provide universal insertion capability, making the spring adaptable to various assembly scenarios without requiring direction-specific designs.
2Ease of operation
If the electronic component is inserted from a direction not aligned with the contact part, then assembly flexibility is improved, but the elastic limiting arm encounters deformation or tearing
Solution Approach 1:
The spring is divided into multiple elastic limiting arms with different orientations and functions. The first elastic limiting arm limits movement in one direction while the second elastic limiting arm limits movement in another direction. This segmentation allows the spring to handle insertion forces from multiple directions without causing deformation or tearing to any single arm.
Solution Approach 2:
The first and second elastic limiting arms are asymmetrically positioned and oriented relative to the mounting bracket and contact part. This asymmetric arrangement enables each arm to optimally resist deformation forces from specific insertion directions, providing comprehensive protection against deformation regardless of the insertion direction chosen by the operator.
3Productivity
If multiple elastic limiting arms are added to allow multi-directional insertion, then assembly efficiency is improved, but the structure becomes more complex
Solution Approach 1:
The spring structure is segmented into distinct functional components: mounting bracket, contact part, first elastic limiting arm, and second elastic limiting arm. Each segment has a specific function and can be independently analyzed, which simplifies the design process despite the multi-directional capability. The segmented structure allows for modular manufacturing and assembly.
Solution Approach 2:
Multiple elastic limiting arms are merged into a single integrated spring structure that shares common mounting and support elements. The first and second elastic limiting arms are both connected to the mounting bracket and work in conjunction with the contact part, combining their functions into a unified structure that provides multi-directional insertion capability without requiring separate assemblies.
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 allows for flexible and efficient assembly and disassembly of electronic components from any side direction, enhancing the assembly and disassembly efficiency and yield by reducing the risk of elastic limit deformation and scratching.
Implementation Method 1
at least three elastic limiting arms 3, and the at least three elastic limiting arms 3 are disposed at an even interval on one end that is of the contact part 2 and that is near the mounting bracket 1
Data Source
Figure 1~2
Figure 3~4
Figure 5~6(b)
AI summary
Embodiments of this application relate to the technical field of electric connection structures, and provide a spring. A fitting component can be inserted into the spring in any side direction and elastically connected to the spring, so that a sequence of assembling and disassembling the fitting component can be freely selected. The spring includes a mounting bracket and a contact part that are successively arranged in a first direction, the contact part is connected to the mounting bracket by using at least three elastic limiting arms, and the at least three elastic limiting arms are disposed at an even interval on one end that is of the contact part and that is near the mounting bracket. This application is applied to a grounding connection of a camera inside a terminal.