Umbrella Shaft Angle Adjuster with Rotating Locking Connectors
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Solution Overview
Problem
Umbrella shafts are typically fixed and require frequent relocation to adjust for changing solar radiation angles, causing user fatigue and joint pain.
Innovation Solution
An angle adjuster comprising a first connector, a second connector, and a locking assembly that allows the connectors to rotate and lock/unlock, enabling adjustable angles for the umbrella shaft.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the umbrella shaft is made as a fixed straight pole, then the structure is simple and stable, but the user must frequently relocate the umbrella to adjust for changing solar radiation angles, causing user fatigue and joint pain
Solution Approach 1:
The patent applies the dynamics principle by transforming the fixed straight pole into a multi-section shaft with adjustable angles. The shaft is divided into multiple sections that can rotate relative to each other around a transverse axis, allowing the umbrella to dynamically adapt to different solar radiation angles without requiring the user to physically relocate it, thereby reducing user fatigue and joint pain.
Solution Approach 2:
The patent applies segmentation by dividing the umbrella shaft into multiple independent sections (first shaft section, second shaft section, etc.) that can move independently relative to each other. This segmentation enables each section to be adjusted to different angles while maintaining connection through connectors, providing adaptability without compromising structural integrity.
2Adaptability or versatility
If the umbrella shaft is made adjustable with multiple sections and connectors, then the adaptability to different solar angles is improved, but the device complexity increases
Solution Approach 1:
The patent uses dynamics to create an adjustable shaft system where sections can rotate relative to each other. This dynamic capability allows the umbrella to adapt to different solar angles while maintaining a relatively simple connector design that enables movement without requiring complex mechanisms.
Solution Approach 2:
The patent segments the shaft into multiple sections connected by simple connectors rather than using a single complex adjustable mechanism. This segmentation approach distributes the adjustment function across multiple simple connection points, reducing the complexity of each individual component while achieving overall adaptability.
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 adjustable umbrella shaft angles without frequent relocation, alleviating user fatigue and joint pain by allowing the umbrella cover to maintain a desirable sunshade position.
Implementation Method 1
a friction force between the adjusting member and the gear disc, so as to drive the gear disc to rotate
Implementation Method 2
a first spring arranged between the button and the first connector, the first spring being pushed by the button, and two ends of the first spring being respectively connected to the button and the first connector
Data Source
AI summary
The disclosure provides an angle adjuster for adjusting an umbrella shaft, the angle adjuster including a first connector, a second connector, and a locking assembly, where the first connector has one end configured to be connected to one section of an external umbrella shaft, the second connector has one end rotatably connected to the other end of the first connector, and the other end configured to be connected to the other section of the external umbrella shaft, and the locking assembly is movably connected to the first connector and the second connector and is configured to lock or unlock the first connector from the second connector.


