Cable Bushing Assembly With Rotatable Clasp Seal
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Solution Overview
Problem
Existing cable connectors are often complex to manufacture, not rated for certain locations, and primarily designed for low data transmission capabilities, lacking versatility and safety features for high-data transmission applications, especially in hazardous environments.
Innovation Solution
A cable bushing assembly featuring a rotatable exterior shell with a clasp and packing material to securely seal coaxial cables within an interior shell, preventing separation and ensuring reliable data transmission while being intrinsically safe for hazardous locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional cable connectors are used, then manufacturing simplicity is improved, but data transmission capability deteriorates
Solution Approach 1:
The cable connector is divided into separate interior and exterior shell components that can be manufactured independently using simple processes, then assembled together. This segmentation allows each part to be made with straightforward manufacturing methods while the complete assembly provides advanced data transmission capabilities through its modular structure.
Solution Approach 2:
The interior shell is nested within the exterior shell, creating a compact multi-functional assembly. This nesting arrangement allows the connector to maintain a simple external form factor while housing multiple functional elements inside that support high data transmission capabilities, effectively combining simplicity with advanced performance.
2Device complexity
If cable connectors are designed for basic applications, then device complexity is reduced, but reliability in hazardous locations deteriorates
Solution Approach 1:
The clasp mechanism is pre-configured to automatically engage and lock the interior shell within the exterior shell upon assembly. This preliminary action ensures that the sealed environment required for hazardous location safety is established during the basic assembly process, without requiring additional complex safety systems or procedures.
Solution Approach 2:
The clasp and sealing structures are designed to self-engage and self-seal when the connector is assembled, automatically creating the protective environment needed for hazardous locations. This self-service mechanism eliminates the need for additional complex safety devices while ensuring reliable protection against ignition risks.
3Stability of the object's composition
If exterior shell is fixed relative to interior shell, then structural stability is improved, but ease of assembly deteriorates
Solution Approach 1:
The connector transitions from a dynamic assembly state to a static operational state. During assembly, the exterior and interior shells can move relative to each other as the clasp engages. Once assembled, the clasp locks the shells in a fixed stable configuration. This dynamic-to-static transition allows easy assembly while maintaining structural stability during use.
Solution Approach 2:
The clasp acts as an intermediary element between the interior and exterior shells. It provides a temporary degree of freedom during assembly to facilitate easy connection, then transforms into a rigid connector that ensures structural stability when engaged, mediating between the requirements for easy assembly and stable operation.
4Device complexity
If packing material is omitted, then device complexity is reduced, but protection against environmental hazards deteriorates
Solution Approach 1:
The packing material functions as a flexible sealing film that conforms to the cable and housing interfaces. This flexible sealing layer provides effective protection against environmental hazards such as moisture and dust without requiring complex rigid sealing structures, maintaining simplicity while ensuring environmental protection.
Data Source
AI summary
A cable bushing assembly and a method of sealing a cable penetration through a housing are provided. The bushing assembly includes an interior shell, a central cavity and at least one aperture between a first face and a second face. At least one cable passes through the bushing assembly. The bushing assembly also includes an exterior shell at least partially circumscribing the interior shell. A clasp is located between the interior shell and the exterior shell to prevent separation of the exterior shell from the interior shell. Packing material seals the at least one cable within the interior shell. A method of sealing a cable penetration includes providing a housing with an opening, inserting a bushing assembly into the opening, and securing the cable bushing.