Electrical Connector Terminal Positioning via Protrusion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing electrical connectors for IC chip modules to circuit boards lack a structure to fix the position of clamping portions, leading to deformation or breakage, resulting in poor soldering effects and potential damage to conductive terminals.
Innovation Solution
The electrical connector features receiving holes with protrusions having guiding and abutting surfaces, and terminals with extending arms and clamping portions that deform to fit within passage spaces, ensuring the soldering portion abuts the protrusion, preventing damage and maintaining clamping and positioning effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the clamping portions are positioned in the receiving hole without a fixing structure, then the structure is simple, but the clamping portions may be deformed or broken causing terminal damage
Solution Approach 1:
The patent introduces a protrusion structure in the receiving hole as an intermediary element between the terminal base and the receiving hole wall. This protrusion provides a fixing point that prevents the terminal from moving excessively, thereby preventing deformation or breakage of the clamping portions while maintaining relative structural simplicity.
Solution Approach 2:
The protrusion structure is pre-formed in the receiving hole before the terminal is installed. This preliminary structure prepares the receiving hole to guide and constrain the terminal base, preventing future deformation of the clamping portions during operation.
2Ease of manufacture
If the clamping portions are positioned in the receiving hole without a fixing structure, then the manufacturing process is simple, but the soldering effect is poor due to deformation or breakage
Solution Approach 1:
The protrusion acts as a mediator that ensures proper positioning of the terminal base during assembly. This intermediary structure guides the terminal into the correct position, ensuring that the clamping portions maintain their intended geometry and achieve good soldering contact with the solder ball, thereby improving soldering quality without significantly complicating the manufacturing process.
Solution Approach 2:
The protrusion structure is pre-formed in the receiving hole to guide the terminal base into the correct position during assembly. This preliminary positioning action ensures that the clamping portions are properly aligned before soldering occurs, thereby improving soldering quality while maintaining manufacturing simplicity.
3Ease of operation
If the terminal is allowed to move freely in the receiving hole, then the assembly process is easy, but the clamping and positioning effects on the solder ball are lost
Solution Approach 1:
The protrusion structure serves as an intermediary that provides controlled guidance for the terminal base during assembly. It allows the terminal to be easily inserted while simultaneously preventing excessive movement that would compromise the clamping and positioning effects on the solder ball.
Solution Approach 2:
The protrusion structure is pre-formed to guide the terminal base into the correct position during assembly. This preliminary guidance ensures that the terminal is properly positioned before the clamping portions engage with the solder ball, maintaining both assembly ease and reliable clamping effects.
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 fixes the position of terminals, preventing deformation and ensuring smooth soldering by guiding the terminal's deformation into passage spaces, thus maintaining clamping and positioning effects on solder balls.
Implementation Method 1
The elastic arm extends upwards from the base... At least a part of the soldering portion is positioned below the abutting surface of the protrusion of the receiving hole such that the part of the soldering portion abuts the abutting surface of the protrusion of the receiving hole
Implementation Method 2
The protrusion includes a guiding surface and an abutting surface... a guiding portion corresponding to the guiding surface of the protrusion of the receiving hole
Data Source
AI summary
An electrical connector includes: an insulating body having a plurality of receiving holes disposed thereon, each receiving hole including a protrusion, and the protrusion includes a guiding surface and an abutting surface; a plurality of solder balls; and a plurality of terminals correspondingly received in the plurality of receiving holes. Each terminal includes a base correspondingly received in one of the receiving holes, an extending arm extending downwards from the base, a soldering portion extending from the extending arm, and an elastic arm extending upwards from the base. The soldering portion includes two clamping portions extending laterally to respectively clamp a periphery of the solder ball. At least a part of the soldering portion is positioned below the abutting surface of the protrusion of the receiving hole such that the part of the soldering portion abuts the abutting surface of the protrusion of the receiving hole.