Retractable Shower Curtain Rod With Pressure Locking
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Solution Overview
Problem
Existing shower curtain rods are inconvenient to install and cannot adapt to bathrooms of different sizes, often leaving installation marks on the wall.
Innovation Solution
A retractable shower curtain rod system comprising a first rod, a second rod, and a pressure mechanism that adjusts length and locks in place using a positioning part, locking part, and extruding part to press against the wall, allowing for easy extension and secure attachment without drilling or nailing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If shower curtain rod is fixed on wall by drilling holes and nailing, then installation stability is improved, but wall damage occurs and installation convenience deteriorates
Solution Approach 1:
The patent replaces the traditional mechanical drilling and nailing system with a pressure-based mechanical system. The shower curtain rod uses pressure arms and friction forces against the wall surface to achieve stable installation without penetrating the wall, thereby maintaining reliability while improving ease of operation and avoiding wall damage.
Solution Approach 2:
The patent introduces pressure arms and friction interfaces as intermediary elements between the shower curtain rod and the wall. These intermediaries transfer and distribute the mounting force across a larger surface area, providing stable installation without direct penetration into the wall, thus resolving the contradiction between stability and wall damage.
2Reliability
If shower curtain rod is fixed on wall by drilling holes and nailing, then installation stability is improved, but installation marks are left on wall
Solution Approach 1:
The patent substitutes the penetrating mechanical fastening system (drilling and nailing) with a non-penetrating pressure-based system. The pressure arms apply force against the wall surface without breaking it, achieving stable installation while eliminating wall damage and installation marks.
Solution Approach 2:
The patent converts the potential harm of wall penetration into a beneficial non-penetrating pressure application. By using friction and normal forces against the wall surface instead of penetrating fasteners, the system achieves reliable installation while preserving the wall integrity, turning what would be a harmful invasive action into a harmless surface contact.
3Ease of manufacture
If shower curtain rod uses fixed length design, then manufacturing simplicity is improved, but adaptability to different bathroom sizes deteriorates
Solution Approach 1:
The patent segments the shower curtain rod into multiple adjustable sections or uses a telescopic mechanism with movable components. This segmentation allows the rod to be adjusted to different lengths to fit various bathroom sizes while maintaining relatively simple manufacturing of individual segments, resolving the contradiction between manufacturing simplicity and adaptability.
Solution Approach 2:
The patent employs a dynamic, adjustable length mechanism in the shower curtain rod, allowing it to change its effective length according to the bathroom size. This dynamic capability provides versatility for different installations while the adjustment mechanism itself can be manufactured using standard components, balancing manufacturing simplicity with adaptability.
Data Source
AI summary
This disclosed invention relates to an adjustable shower curtain rod that includes a first rod with a cavity and a second rod that slides within this cavity for length adjustment. Further included are a pressure mechanism comprising positioning, locking, and extruding parts to securely adjust and fix the rod's length. Some embodiments include a friction part with an elastic deformation slot.