Electrical Connector Terminal Insertion Guide
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Solution Overview
Problem
Existing electrical connectors for circuit boards face challenges in stable incorporation of terminals with resilient portions, as the curved and elongated nature of these terminals leads to unstable orientation and potential plastic deformation during incorporation, making smooth insertion difficult and prone to contact issues due to excessive resilient deformation.
Innovation Solution
The electrical connector design features terminals with stationary and movable retained portions, where the movable housing has entry wall portions and terminal holding grooves with projections that guide the resilient portions for easy and reliable insertion, preventing contact between terminals by allowing deformation within defined gaps and restricting excessive deformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If terminals with curved resilient portions are incorporated from below into the movable housing, then the connector can achieve floating capability and resilient deformation, but the unstable orientation of the curved terminals causes incorporation difficulties and potential plastic deformation
Solution Approach 1:
The patent applies preliminary action by providing guiding projections on the inner wall of the movable housing before the terminals are incorporated. These projections预先 guide the curved resilient portions into the correct positions, ensuring stable orientation during incorporation and preventing plastic deformation while maintaining floating capability.
2Adaptability or versatility
If the resilient portions are allowed to deform freely to ensure floating movement, then the movable housing can move relative to the stationary housing, but excessive resilient deformation causes contact between adjacent terminals
Solution Approach 1:
The patent applies local quality by providing guiding projections at specific locations on the inner wall of the movable housing. These projections are positioned to restrict resilient deformation of the curved portions to predetermined ranges, allowing floating movement while preventing excessive deformation that would cause terminal contact.
3Reliability
If projections are provided to restrict excessive resilient deformation, then terminal contact is prevented, but the incorporation process becomes more complex
Solution Approach 1:
The patent applies universality by designing the guiding projections to serve multiple functions: they guide the resilient portions during incorporation, restrict excessive resilient deformation, and prevent terminal contact. This multi-functional design achieves reliability without significantly increasing device complexity.
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 configuration enables easy and reliable incorporation of terminals with resilient portions, preventing contact issues and ensuring stable operation even under considerable resilient deformation, while maintaining effective connection and preventing misalignment-induced resonance.
Implementation Method 1
the resilient portion is also subject to resilient deformation in the terminal array direction
Data Source
AI summary
The movable housing has an entry wall portion that enters the interior space of the stationary housing; terminal holding grooves accommodating a portion of the resilient portions, which extend in the direction of connection to a counterpart connect body, are formed to be arranged in the terminal array direction on one wall surface of the entry wall portion; movable-side terminal holding portions securing the movable-side retained portions of the terminals are formed on the opposite side in the connector width direction perpendicular to said one wall surface; between adjacent terminal holding grooves. When the terminals are attached in the direction of connection from the circuit board side, the projections have gaps formed between them and the resilient portions of the terminals located within the terminal holding grooves in the terminal array direction.