Connecting Device Movable Part Protection Walls

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Solution Overview

Problem

Connecting devices with C-clip shaped movable parts are prone to deformation under external forces, leading to unstable connections due to loss of elasticity and potential plastic deformation, which can result in faulty connections.

Innovation Solution

Incorporating a support structure with protecting walls and extensions that guide the movable part close to the external contact terminal, along with a base part to reinforce the support, which reduces excessive movement and maintains elasticity by minimizing deformation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the movable part is made flexible to enable movement and contact with the external contact terminal, then the ease of operation is improved, but the reliability deteriorates due to deformation under external forces and loss of elasticity from repetitive pressing

Engineering Contradiction:
Improvemovability of contacting partVSAvoidconnection stability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The movable part is divided into distinct functional segments: the contacting part for making contact, the elastic part for providing restoring force, and the support part for structural stability. This segmentation allows each part to be optimized independently - the contacting part remains flexible for operation while the support part provides rigidity to prevent deformation and maintain connection reliability.

Inventive Principle:
Principle #1Segmentation

2Reliability

If the elastic part is made more elastic to restore the contacting part after pressing, then the reliability is improved, but the device complexity increases due to additional components needed to maintain and protect the elastic part

Engineering Contradiction:
Improveelastic restoration capabilityVSAvoidstructure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The support part is merged with the elastic part to form an integrated structure where the support part serves dual functions: providing structural stability and protecting the elastic part from excessive deformation. This merging eliminates the need for separate protective components, maintaining high reliability through elastic restoration while avoiding increased device complexity.

Inventive Principle:
Principle #5Merging (Combining)

3Reliability

If the movable part is restricted to prevent deformation under external forces, then the reliability is improved, but the ease of operation deteriorates due to limited movement capability

Engineering Contradiction:
Improveresistance to deformationVSAvoidmovement freedom
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

Different parts of the movable structure have different mechanical properties tailored to their specific functions. The contacting part is designed with high flexibility to enable easy movement and contact operations. The elastic part has moderate elasticity to provide restoration force. The support part has high rigidity to resist deformation under external forces. This local differentiation of mechanical properties allows the device to achieve both operational ease and reliability simultaneously.

Inventive Principle:
Principle #3Local quality

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 effectively restricts abnormal movements and maintains the elasticity of the connecting device, preventing deformation and ensuring stable connections by reducing the impact of external forces and repetitive pressing.

Implementation Method 1

an elastic part connected to the movable part and configured to provide an elastic force enabling movement of the movable part

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentUS10673156B2Connecting device and electronic device including the same
Publication Date: 2020.06.02 SAMSUNG ELECTRONICS CO LTD
  • US10673156B2 patent drawing
  • US10673156B2 patent drawing
  • US10673156B2 patent drawing

AI summary

A connecting device is provided that includes a movable part contacting an external contact terminal, and an elastic part connected to the movable part and configured to provide an elastic force enabling movement of the movable part. The connecting device also includes a support connected to the elastic part, and at least one protecting wall connected to the support and configured to protect the movable part from external forces. The connecting device further includes an extension extending from the at least one protecting wall in a direction along which the movable part moves and configured to bring the movable part close to the external contact terminal, and a base part provided within the extension and configured to reinforce the support.