Sealed Plug-in Connector Locking Web Tensile Stress
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Solution Overview
Problem
Existing male plug connectors with primary and secondary locking mechanisms are insufficient in withstanding tensile stresses on cables, leading to potential detachment of contact partners from their chambers, even when meeting standard holding force requirements.
Innovation Solution
Incorporation of a locking web on the contact partner that cooperates with the locking element, aligned in the direction of tensile stress, to enhance the absorption and transfer of holding forces, complementing the primary and secondary locking tabs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If primary and secondary locking mechanisms are used, then holding force under normal conditions is improved, but reliability under tensile stress remains insufficient
Solution Approach 1:
The locking mechanism is divided into three independent components: primary locking tab, secondary locking tab, and locking web. Each component engages with the locking element at different positions, distributing the tensile load across multiple engagement points rather than concentrating force on a single tab, thereby significantly improving holding force under tensile stress
Solution Approach 2:
The locking web extends in the longitudinal direction of the contact partner, adding a dimensional element that directly resists tensile forces. This longitudinal extension provides an additional leverage arm and engagement surface that works in conjunction with the transverse locking tabs, creating a multi-dimensional locking structure that effectively counteracts cable pulling forces
2Strength
If locking element is added for secondary locking, then device complexity increases, but holding force under tensile stress is insufficient
Solution Approach 1:
The locking element serves multiple functions simultaneously: it engages with the primary locking tab for initial positioning, engages with the secondary locking tab for enhanced retention, and engages with the locking web for tensile stress resistance. This multi-functional design consolidates what would otherwise require multiple separate locking components into a single element, improving holding force without proportionally increasing device complexity
Solution Approach 2:
The primary locking tab, secondary locking tab, and locking web are merged into a single integrated contact partner structure rather than being separate components. This integration reduces assembly steps and simplifies the overall locking mechanism while maintaining the benefits of multiple locking points for enhanced holding force under various stress conditions
Data Source
AI summary
A male plug connector having a contact support (1) with at least one contact chamber (2), wherein a contact partner (7) is mounted in the at least one contact chamber (2), wherein the contact partner (7) has a primary locking tab (10) that cooperates with its contact chamber (2), wherein a locking element (6) that can be displaced between a prelocking position and a final locking position is mounted on and/or in the contact support (2), wherein the locking element (6) is designed to secondarily lock the contact partner (7) having a secondary locking tab (12) when the contact partner (2) is located in its specified position in its contact chamber (2) and the locking element (6) has been displaced from its prelocking position into its final locking position, characterized in that, in addition to the secondary locking tab (12) of the contact partner (7), a locking web (13) that cooperates with the locking element (6) is mounted on the contact partner (7).