Fiber Optic Enclosure Seal Retention Clip for Re-Entry Integrity
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Re-enterable telecommunications enclosures face issues with perimeter seals disengaging, leading to potential contamination and improper re-installation, compromising sealing integrity.
Innovation Solution
The use of seal retention clips that embed into both the enclosure housing and perimeter seal, featuring channels and teeth to securely retain the seal within a groove, preventing disengagement and ensuring proper re-sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the enclosure is made re-enterable with separate access panels, then accessibility to internal components is improved, but the risk of perimeter seal disengagement increases
Solution Approach 1:
The retention clip is pre-installed on the enclosure housing before the perimeter seal is attached. The clip includes engagement features that protrude into the seal's groove, creating a preliminary mechanical constraint that prevents the seal from disengaging when the enclosure is opened for maintenance access.
Solution Approach 2:
The retention clip acts as an intermediary component between the enclosure housing and the perimeter seal. It includes a first set of engagement features that attach to the housing and a second set that engages with the seal's groove, mediating the connection to prevent seal disengagement while allowing enclosure re-entry.
2Adaptability or versatility
If the perimeter seal is made removable for re-entryable access, then maintenance capability is improved, but the risk of seal loss or contamination increases
Solution Approach 1:
The retention clip is pre-positioned on the housing with engagement features extending into the seal groove. This preliminary arrangement ensures that when the seal is removed for maintenance and re-installed, the engagement features guide and constrain the seal, preventing it from becoming lost or contaminated during the removal and re-installation process.
Solution Approach 2:
The retention clip serves as an intermediary that remains attached to the housing while the seal is removed. This intermediary structure prevents the seal from becoming lost or contaminated by providing a controlled re-installation path where the engagement features guide the seal back into its proper position.
3Device complexity
If the perimeter seal is retained within the groove without retention features, then device simplicity is maintained, but sealing integrity is compromised
Solution Approach 1:
The retention clip is a relatively simple intermediary component that attaches to the existing housing groove structure. It includes engagement features that protrude into the seal groove, providing enhanced seal retention without requiring fundamental changes to the enclosure housing design. The clip acts as a mediator that adds retention functionality with minimal structural modification.
Data Source
AI summary
One or more seal retention clips can be used to retain a perimeter seal within a perimeter groove defined by a fiber optic enclosure housing. Certain types of seal retention clips can include portions that embed or bite into the housing of the enclosure, and/or embed or bite into the perimeter seal. In certain examples, the seal retention clip includes tabs or teeth that assist in engaging the housing and the perimeter seal. In certain examples, the seal retention clip defines a channel for receiving the perimeter seal.