Right-Angle Connector Vertical Blade Adjustment
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Solution Overview
Problem
Existing right-angle electrical connectors face issues with uneven soldering and soldering defects due to misalignment of connection components on circuit boards, as reaction forces from the board cause stress in the terminals, which cannot move freely.
Innovation Solution
A right-angle electrical connector design where conductive bar members are held by an insulating board or directly in a housing, allowing arm-use blades to move vertically within holding grooves, correcting misalignment and preventing residual stress during soldering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the connection components of different length terminals are positioned to align with the circuit board, then soldering quality is improved, but the terminals cannot accommodate misalignment and generate residual stress
Solution Approach 1:
The patent makes the arm-use blade dynamically movable within holding grooves instead of fixed, allowing it to adjust its position automatically. This dynamic capability enables the blade to correct misalignment during assembly while accommodating dimensional variations, thereby preventing residual stress generation in the terminals during soldering processes.
Solution Approach 2:
The patent changes the positional parameter of the arm-use blade by allowing it to move vertically within the holding grooves. This parameter change enables the blade to adapt its position to match the circuit board alignment requirements, improving manufacturing precision while preventing stress accumulation through automatic adjustment.
2Stability of the object's composition
If the arm-use blades are fixed in position, then structural stability is improved, but misalignment correction capability is lost
Solution Approach 1:
The patent introduces controlled movement capability for arm-use blades within holding grooves, transforming the structure from static to dynamically adjustable. This allows the blades to correct misalignment while maintaining structural stability through the constrained movement paths defined by the grooves, achieving both adaptability and stability simultaneously.
Solution Approach 2:
The holding grooves act as intermediaries between the fixed housing structure and the movable arm-use blades. They provide a controlled environment that allows blade movement for misalignment correction while maintaining overall structural stability, mediating between the conflicting requirements of fixity and adaptability.
Data Source
AI summary
In a housing 10 are formed holding grooves 17A to 17D that permit arm-use blades 20A-1 to 20D-1 of various types of blades 20A to 20D to be inserted from the rear, connection components 33A-1 to 33D-1 provided to the lower ends of legs 33A to 33D of conductive bar members 30A to 30D of the various types of blades 20A to 20D are located outside the housing, the arm-use blades 20A-1 to 20D-1 of the various types of blades 20A to 20D are able to move in the vertical direction over a specific range within the corresponding holding grooves 17A to 17D, and the various types of blades 20A to 20D are able to move within a holding space 17.