Connector Housing Protrusions Prevent Warping Without Hindering Insertion
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Solution Overview
Problem
Connectors for plate-like connection objects face issues with insertability due to narrow insertion openings and vulnerability to warping, where projections near the insertion opening hinder insertion and may be damaged by warping forces.
Innovation Solution
A connector design featuring a housing with a receiving portion that is open upward, allowing easy alignment and insertion of the connection object, and protruding portions located between rotating shafts to prevent warping, enhancing strength and insertability without compromising the connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If projections are provided near the insertion opening to prevent warping, then warping resistance is improved, but insertability deteriorates due to hindered insertion
Solution Approach 1:
The patent relocates the protruding portions from the front (insertion opening side) to the rear part of the receiving portion, changing their spatial position along the insertion direction. This dimensional relocation allows the protruding portions to prevent warping without interfering with the insertion process, as they are positioned behind the insertion path of the connection object.
2Manufacturing precision
If the insertion opening is made narrow to define the insertion path, then alignment precision is improved, but insertability deteriorates
Solution Approach 1:
The patent divides the receiving portion into different functional zones: a front insertion region with a wide opening that facilitates easy insertion, and a rear region with protruding portions that provide alignment precision and warping prevention. This segmentation allows each zone to optimize its function without compromising the other.
3Strength
If protruding portions are made strong to prevent warping, then warping resistance is improved, but the risk of damage during insertion increases
Solution Approach 1:
By relocating the protruding portions to the rear part of the receiving portion, the patent ensures they are not in the insertion path of the connection object. This positional change allows the protruding portions to be made strong for warping prevention without creating damage risk during insertion, as they only engage with the connection object after insertion is complete.
Data Source
AI summary
A connector is for connection to a plate-like connection object. The connector includes contacts, a housing holding the contacts, and an operating member for connecting the connection object to the contacts. The operating member has a pair of rotating shaft portions spaced apart from each other in a right-left direction and is rotatably supported by the housing so as to be displaceable between an initial position and a connecting position. The housing has a receiving portion which is open upward. The receiving portion is adapted to receive, from obliquely front, insertion of the connection object and to receive the operating member when the operating member is in the connecting position. The housing further has protruding portions in the rear part of the receiving portion for preventing upward warping of the connection object. The protruding portions are located between the pair of rotating shaft portions.