Connector Securing Structure for Circuit Boards
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing connector-securing structures for circuit boards face issues with reliability due to repeated connection and disconnection forces causing loosening or damage, and the through-hole method can lead to short circuits on multi-layer boards, increasing manufacturing costs.
Innovation Solution
A connector-securing structure with a perpendicularly bent holding portion and a corresponding holding slot on the circuit board, which keeps the soldering area isolated from potential short circuits and distributes connection forces away from the soldering points, using a fixing pin to secure the connector in a gap of the circuit board.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the through-hole method is used to secure the connector, then the connector can be firmly fixed to the circuit board, but the soldering point may electrically connect the grounding layer and the signal layer causing short circuits
Solution Approach 1:
The invention divides the securing function into two separate components: the fixing pin provides mechanical anchoring through the circuit board, while the holding portion provides additional retention. This segmentation allows the soldering point to focus solely on electrical connection without bearing mechanical stress, preventing short circuits while maintaining strong fixation.
Solution Approach 2:
The invention extracts the mechanical securing function from the soldering joint by introducing a dedicated fixing pin and holding portion structure. The soldering point is taken out from the dual role of both electrical connection and mechanical support, eliminating the short circuit risk while preserving the connector's firm attachment.
2Reliability
If securing posts are used to reduce force on soldering points, then the connector can be repeatedly connected and disconnected, but the roots of the securing posts tend to crack and break
Solution Approach 1:
The holding portion is pre-formed as an integral part of the fixing pin structure, creating a reinforced geometry before the connector is installed. This preliminary structural preparation ensures that the securing mechanism can withstand repeated connection and disconnection forces without cracking or breaking during operation.
3Adaptability or versatility
If the through-hole is specially processed to prevent short circuit, then the connector can be applied to all scopes of the circuit board, but the manufacturing costs increase
Solution Approach 1:
The invention replaces expensive special processing of through-holes with a simple, low-cost structural design of the fixing pin and holding portion. This approach achieves universal applicability across all circuit board areas without requiring additional manufacturing steps or specialized materials, thereby reducing production costs while maintaining versatility.
Data Source
AI summary
An electrical device includes a connector, a circuit board and a connector-securing structure. The connector includes a body and a fixing pin extending from the body for fixing the connector on the circuit board. The circuit board defines a gap corresponding to an outer profile of the connector for receiving the connector. The connector-securing structure is provided for securing the connector in the gap of the circuit board. The connector-securing structure includes a holding portion and a holding slot. The holding portion is perpendicular to and extends from the fixing pin. The holding slot is defined through the circuit board in a position corresponding to the holding portion. The holding slot is engaged with the gap of the circuit board for receiving and holding the holding portion.