Shower curtain rod
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Solution Overview
Problem
Traditional shower curtain rods are fixed in length and require laborious twisting force for retraction, making them difficult to adapt to various bathroom sizes and shapes.
Innovation Solution
A shower curtain rod with a telescopic mechanism using a spring and fixation pin, allowing for easy length adjustment by rotating the telescopic rod relative to the fixed rod, without the need for tools or complicated operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a threaded retractable structure is used, then the shower curtain rod can be retracted, but the user needs to use a certain amount of force for twisting which is more laborious
Solution Approach 1:
The patent replaces the traditional threaded mechanical retraction system with a spring-based elastic recovery system. The spring (13) automatically pushes the telescopic rod (112) back to its original position after extension, eliminating the need for forceful twisting to retract the rod. Users only need to gently push or pull the rod to extend it, and the spring automatically retracts it.
Solution Approach 2:
The spring mechanism provides self-service by automatically retracting the telescopic rod without requiring user intervention for the retraction action. The spring (13) stores elastic potential energy when compressed during extension and automatically converts this energy to kinetic energy to push the rod back, making the system partially autonomous.
2Adaptability or versatility
If a fixed length shower curtain rod is used, then the structure is simple, but it can't be adapted to various different sizes and shapes of the bathroom space
Solution Approach 1:
The shower curtain rod is divided into two segments: a fixed rod (111) and a telescopic rod (112). The telescopic rod can be extended or retracted to adjust the overall length, allowing the same basic structure to adapt to different bathroom sizes. The rod can be configured in different lengths by extending or retracting the telescopic portion.
Solution Approach 2:
The patent transforms the static fixed-length rod into a dynamic adjustable-length rod through the telescopic mechanism. The telescopic rod (112) can dynamically change its length by extending outward or retracting inward, allowing the shower curtain rod to adapt to various bathroom dimensions while maintaining a relatively simple overall structure.
3Ease of operation
If a telescopic rod is rotated to extend or retract, then the length can be adjusted, but the fixation pin needs to penetrate into the spring gap which requires precise positioning
Solution Approach 1:
The spring gap (131) is designed to maintain a consistent radial position regardless of the telescopic rod's extension state. As the spring (13) compresses or expands, its outer surface remains at a relatively constant radius, creating an equipotential surface for the fixation pin (1120). This allows the pin to engage with the spring gap at any extension position without requiring complex positioning mechanisms.
Solution Approach 2:
The spring gap (131) acts as an intermediary element between the fixation pin (1120) and the telescopic rod structure. Instead of requiring the pin to directly engage with specific features on the rod, the spring gap provides a flexible, always-available engagement point that accommodates different extension positions while maintaining reliable connection.
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
Enables easy length adjustment to fit different bathroom sizes with improved user experience, reducing labor and enhancing usability.
Implementation Method 1
a spring is installed in the fixed rod, a fixation pin is installed in the telescopic rod, the fixation pin penetrates into a spring gap of the spring, and when the telescopic rod is rotated, the fixation pin rotates in the spring gap, so that the telescopic rod performs a telescopic movement relative to the fixed rod
Data Source
AI summary
A retractable shower curtain rod includes a first support rod. The first support rod includes a fixed rod and a telescopic rod, the telescopic rod is coaxially sleeved in the fixed rod, a spring is installed in the fixed rod, and a fixation pin is installed in the telescopic rod, the fixation pin penetrates into a spring gap of the spring. When the telescopic rod is rotated, the fixation pin rotates in the spring gap so that the telescopic rod performs a telescopic movement relative to the fixed rod. When using it, the users can adjust a length of the shower curtain rod to match bathrooms of different sizes with a simple rotation, no additional tools or complicated operations are required, thus greatly enhancing the user experience.