Cylindrical Protection Sheath for Switch Wire Connection
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Solution Overview
Problem
Conventional switch wire connection devices face issues with dust, water, and moisture infiltration due to a large wire plug-in hole diameter, leading to compromised electro-conductive performance and increased complexity, cost, and space occupation, with existing solutions failing to provide effective protection and structural strength.
Innovation Solution
A cylindrical protection sheath with a head, belly, and tail section, featuring a recessed mouth, guide hole, and annular ribs for enhanced structural strength, securely encloses the switch wire connection device, preventing dust and moisture ingress while allowing easy assembly and operation, and omitting the need for an additional case.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the wire plug-in hole diameter is made larger to accommodate different wire diameters, then the adaptability is improved, but dust and water infiltration increases
Solution Approach 1:
The protection sheath is nested within the switch wire connection device, with the sheath's outer surface fitting into the device's inner cavity. This nested structure allows the protection sheath to seal the wire plug-in hole effectively while accommodating wires of different diameters, resolving the contradiction between adaptability and protection against harmful factors.
2Object-affected harmful factors
If an additional case is added to enclose the switch device for protection, then the protection against dust and water is improved, but the device complexity and occupied space increase
Solution Approach 1:
The protection sheath integrates multiple functions into a single component: it seals the wire plug-in hole, protects against dust and water infiltration, and provides structural support. By merging these functions into one element rather than adding separate protective cases, the invention reduces device complexity while maintaining effective protection.
Solution Approach 2:
The protection sheath serves multiple purposes simultaneously: it acts as a seal for the wire plug-in hole, provides environmental protection against dust and water, and reinforces the structural integrity of the device. This multi-functionality eliminates the need for additional protective components, reducing overall device complexity.
3Ease of operation
If the wire plug-in hole diameter is made larger, then the ease of operation is improved, but the reliability of electro-conductive performance deteriorates
Solution Approach 1:
The protection sheath acts as an intermediary element between the wire and the environment. It allows wires of various diameters to pass through the wire plug-in hole easily while simultaneously sealing the space around the wire, preventing dust and water from compromising electro-conductive performance. This mediator structure resolves the contradiction between ease of operation and reliability.
Data Source
AI summary
A protection sheath structure for switch wire connection device provides dustproof and waterproof effects and enhances the assembling security between the switch wire connection device and the conductive wire. The protection sheath has the form of a cylindrical body including a head section having a mouth section, a belly section connected with the head section and a tail section connected with the belly section. The head section and the belly section together define a chamber for assembling with the switch wire connection device. The tail section defines a guide hole permitting the conductive wire to plug into the protection sheath. Multiple annular ribs are disposed on a circumference of the tail section to enhance the structural strength of the protection sheath (or the tail section), whereby the tail section is able to bear external force produced in wiring operation of the conductive wire.