Electronic Component Assembly Structure Preventing Terminal Damage
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Solution Overview
Problem
In electronic component modules, such as relay modules, the spring portions of terminal fittings are prone to damage due to improper insertion alignment, leading to collisions with the spring portions when the components are inclined during assembly.
Innovation Solution
The electronic component assembly structure includes a housing member with a first chamber guiding the main body section and a second chamber holding the terminal fittings, where the terminal portions have a fitting portion that droops along the side surface, allowing the spring portion to press against a wall portion, thus regulating the inclination direction and preventing collisions with the spring portion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the relay is inserted without regulated inclination direction, then the assembly process is simple, but the spring portion of the terminal fitting is damaged due to collision
Solution Approach 1:
The patent applies preliminary action by providing guide portions on the housing member that regulate the inclination direction of the relay main body before the terminal portions are inserted into the terminal fittings. This preliminary regulation of orientation prevents the terminal portions from colliding with the spring portions during insertion, thereby preventing damage while maintaining assembly simplicity
Solution Approach 2:
The guide portions act as an intermediary element between the relay main body and the terminal fittings. These guide portions regulate the inclination direction of the relay main body, ensuring that the terminal portions approach the terminal fittings in the correct orientation without directly controlling the relay main body's movement, thus preventing spring portion damage
2Volume of moving object
If the terminal portion is positioned close to the main body section, then the module size is reduced, but the fitting portion may collide with the spring portion when inclined
Solution Approach 1:
The guide portions provide preliminary orientation control for the terminal portions as they approach the terminal fittings. This ensures that even when the terminal portions are positioned close to the main body section (reducing module size), they maintain the correct inclination direction and do not collide with the spring portions during insertion
3Reliability
If the spring portion presses the fitting portion strongly, then the connection reliability is improved, but the fitting portion is damaged when inserted at improper angle
Solution Approach 1:
The guide portions perform preliminary orientation regulation of the terminal portions before they engage with the spring portions. This ensures that the fitting portions are inserted at the proper angle, preventing damage from improper insertion while allowing the spring portions to maintain strong pressing force for reliable connections
Solution Approach 2:
The guide portions provide beforehand protection by regulating the inclination direction of the relay main body before the terminal portions contact the spring portions. This preliminary protection prevents damage to the fitting portions from improper angle insertion, allowing the spring portions to exert strong pressing force safely
Data Source
AI summary
An electronic component includes a main body section having a rectangular parallelepiped shape and terminal portions disposed in the main body section. A housing member includes a first housing chamber that guides and accommodates the main body section therein and a second housing chamber that accommodates and holds terminal fittings therein. Each terminal portion includes a fitting portion that droops along a side surface of the main body section with a gap from the side surface and that is fitted to the corresponding terminal fitting. Each terminal fitting includes a spring portion that presses the corresponding fitting portion, and a pressing direction of the spring portion is held to direct to the corresponding wall portion. The electronic component, the terminal fittings, and the housing member are mutually assembled.