Spring-Loaded Plunger Cable Connector Wear Reduction
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Solution Overview
Problem
Conventional cable connectors with threaded portions suffer from wear out and corrosion, leading to a short operation life due to direct contact and exposure, which results in a loose fitting and reduced durability.
Innovation Solution
A cable connector with a spring-loaded plunger mechanism, comprising a sleeve with a spring bore portion and a plunger module that includes an elastic member and a lid, providing a protrusion that retracts and relaxes to reduce wear and includes a waterproof gasket for enhanced sealing and protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If threaded portions are used to connect cable sections, then the connector can be assembled and disassembled, but the serrated teeth wear out over time leading to loose fitting
Solution Approach 1:
A plunger with protrusion acts as an intermediary element between the threaded portions. The protrusion engages with grooves on the cable sections to provide mechanical retention, while the threaded portions maintain threading engagement. This dual-mechanism approach distributes the retention load, reducing wear on the threaded serrated teeth and preventing loose fitting over time.
2Ease of operation
If threaded portions are exposed for connection, then the connector can be easily connected, but the exposed fitting is prone to corrosion and external damage
Solution Approach 1:
A protective cover made of corrosion-resistant material (such as stainless steel or coated metal) encloses the threaded portions. The cover can be opened or removed when connection is needed, providing protection against corrosion and external damage during storage and operation, while maintaining accessibility when required.
3Device complexity
If direct contact between threaded portions is used, then the structure is simple, but the rate of unit worn out increases
Solution Approach 1:
The plunger with protrusion serves as a mediator that reduces direct contact and friction between the threaded portions during assembly and disassembly. The protrusion engages with corresponding grooves to guide and support the connection process, distributing mechanical stress and reducing wear rates on the threaded serrated teeth, thereby extending operation life-expectancy.
4Ease of manufacture
If threaded portions are used without additional protection, then the manufacturing cost is low, but the connector lacks resistance to external damage
Solution Approach 1:
A protective cover encloses the threaded portions, providing resistance to external damage such as impacts, moisture, and contamination. The cover can be made from durable materials and integrated into the existing connector structure, adding protection without significantly increasing manufacturing complexity or cost.
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
The spring-loaded plunger mechanism effectively decreases the rate of unit wear, prolongs the operation life of the cable connector, and prevents fluid entry, thereby enhancing durability and sealing.
Implementation Method 1
an elastic member and a lid, providing a protrusion that retracts and relaxes to reduce wear
Data Source
AI summary
A cable connector with spring-loaded plunger comprises a sleeve and a plunger module. The sleeve is a hollow cylinder with two open ends and formed with a spring bore portion. The plunger module is disposed in the spring bore portion and comprises a plunger slidably disposed in the spring bore portion. The plunger partially penetrates the spring bore portion toward the center of the sleeve. One end of the sleeve thickens inwardly to form a plug connector retaining portion. The cable connector with spring-loaded plunger can effectively decrease the rate of unit aging in connection and disconnection.