Rotatable Dust Cap for Telecommunications Jacks
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Solution Overview
Problem
Electrical connectors, such as RJ-type connectors, are prone to contamination by dust and dirt, leading to corrosion and component adhesion issues when exposed, especially in wall cavities during construction.
Innovation Solution
A dust cap with a rotatable cover portion and adhesive attachment to the telecommunications jack, featuring securing features for retention and a handle for easy operation, designed to cover and protect the jack recess from contaminants.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the connector is left exposed for easy access, then ease of operation is improved, but contamination and corrosion increase
Solution Approach 1:
The dust cap is pre-installed on the connector to provide protection before any contamination can occur. The cap is positioned in advance to cover the exposed cavity, preventing dust and dirt from contacting the conductive elements during building works or normal operation.
Solution Approach 2:
The dust cap acts as an intermediary barrier between the connector and the external environment. It physically separates the conductive elements inside the connector from contaminants in the wall cavity, allowing the connector to remain protected while still being accessible when needed.
2Object-affected harmful factors
If a dust cap is added to protect the connector, then protection from contamination is improved, but device complexity increases
Solution Approach 1:
The dust cap is designed as a separate, independent component that can be easily attached to and removed from the connector. This segmentation allows the protective function to be added without modifying the connector's internal structure, maintaining simplicity while providing protection.
Solution Approach 2:
The dust cap serves as a simple intermediary component that provides protection without adding complexity to the connector itself. It is a standalone element that interfaces with the connector externally, avoiding the need to complicate the connector's internal design.
3Reliability
If adhesive is used to attach the dust cap, then reliability of attachment is improved, but ease of installation and removal worsens
Solution Approach 1:
The dust cap incorporates a hinge mechanism that allows it to dynamically move between open and closed positions. This dynamic capability enables the cap to be easily swung open for access and automatically return to the closed protective position, providing both secure attachment and ease of operation.
Solution Approach 2:
The hinge mechanism provides self-service by automatically returning the dust cap to the closed position after it has been opened for access. This eliminates the need for manual repositioning and ensures the protective function is restored without additional effort from the user.
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
Effectively prevents contamination and corrosion by securely covering the jack recess, allowing easy access when needed, while maintaining a compact design suitable for retrofit applications.
Implementation Method 1
an adhesive located on a rear face of the hinge base that is configured to engage with a front face of the telecommunications jack to secure the dust cap to the telecommunications jack
Data Source
AI summary
A dust cap (100) for covering a jack recess (206) in a telecommunications jack (200) is disclosed. In one embodiment, the dust cap (100) includes a cover portion (110) attached to a hinge base (150). The cover portion (110) is rotatable from a closed position, wherein the cover portion (110) covers the jack recess (206), to an open position, wherein the jack recess (206) is exposed. The cover portion (110) may include a securing feature (114, 116) configured to engage with the jack recess (206) to retain the cover portion (110) in the closed position. The front face (110a) of the cover portion (110) may also include a handle (112). The dust cap (100) may also include an adhesive (156) located on a rear face (150b) of the hinge base (150) that is configured to engage with a front face (204) of the telecommunications jack (200) to secure the dust cap (100) to the telecommunications jack (200).