Fiber Optic Splice Closure With Integrated Sealing Lock
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Solution Overview
Problem
Existing fiber optic splice protection devices are cumbersome, inconvenient to install on-site, and prone to messy fiber optic jacket management, with high costs and limited mechanical strength and corrosion resistance.
Innovation Solution
A fiber optic splice protection device with a separate cable fixer that allows for rapid on-site installation, featuring a cable fixer with strength member fixation units and a fiber routing management unit to organize cables and prevent tangling, along with a sealing mechanism for the cover and chassis that does not require multiple screws, resulting in a compact, cost-effective design with enhanced mechanical strength and corrosion resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If cable fixers are integrated into the chassis, then structural integrity is improved, but on-site installation convenience deteriorates due to one-by-one fixing requirement
Solution Approach 1:
The cable fixer is separated from the chassis into an independent removable component. This segmentation allows the cable fixer to be pre-assembled with cables off-site, then quickly installed as a complete unit on-site, eliminating the need to fix cables one by one to the chassis during field installation.
2Reliability
If multiple screws are used for cover and chassis sealing, then sealing performance is improved, but installation complexity increases
Solution Approach 1:
The sealing function and locking function are merged into a single sealing structure between the cover and chassis. This integrated sealing mechanism provides both weatherproof sealing and mechanical locking in one component, eliminating the need for multiple separate screws and reducing installation steps.
3Ease of operation
If fiber routing management structure is added, then fiber organization is improved, but device complexity increases
Solution Approach 1:
The cable fixer structure serves multiple functions: it provides mechanical fixation for cables, integrates strength member anchoring, and incorporates fiber routing management capabilities. This multi-functionality achieves organized fiber management without adding separate dedicated structures, thereby avoiding increased device complexity.
4Productivity
If cable fixer is removable from chassis, then on-site installation speed is improved, but structural integrity deteriorates
Solution Approach 1:
The cable fixer is pre-assembled with all cable fixing operations completed before removal from the chassis. This preliminary action ensures that when the cable fixer is installed on the chassis, the cables are already securely fixed, maintaining structural integrity while enabling rapid on-site installation of the complete assembly.
Data Source
AI summary
Disclosed is fiber optic splice protection device, comprising: a closure including a cover and a chassis; wherein a circle of groove is formed on mating edge of four walls of one of the cover and the chassis, and an elastic sealing member is placed in the groove; a circle of projection is formed on mating edge of four walls of another of the cover and the chassis; the cover is locked on the chassis in the way of locking, when the cover is locked on the chassis, the projection is pressed against the elastic sealing member and is embedded into the groove in order to achieve the seal locking between the cover and the chassis. The cover of this application may ease to open repeatedly, and the good seal performance between the cover and the chassis can be achieved.