Rolling Shutter Torsion Spring Adjuster With Locking Wheel
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Solution Overview
Problem
Existing methods for adjusting torsion springs in rolling shutter systems are hazardous and inefficient, lacking a suitable mechanism for safe and precise tension adjustment.
Innovation Solution
A torsion spring adjuster system comprising a support plate with a wheel that has locking pin and winding bar recesses, allowing for controlled rotation and locking of the torsion spring shaft, enabling safe and precise adjustment of spring tension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual adjustment of torsion spring is performed without a control mechanism, then adjustment can be made, but the risk of injury and safety hazards increase significantly
Solution Approach 1:
A control mechanism is introduced as an intermediary between the operator and the torsion spring adjustment process. This mechanism provides controlled access to the adjustment function, allowing operators to make necessary adjustments while preventing uncontrolled spring release that could cause injury. The control mechanism mediates the interaction to ensure safety.
Solution Approach 2:
The control mechanism is designed to prevent harmful actions before they can occur. By requiring specific operational sequences or conditions to be met before adjustment can proceed, the system proactively blocks potential injury-causing scenarios. The control mechanism anticipates and prevents uncontrolled spring release rather than merely reacting to it.
2Device complexity
If traditional manual adjustment methods are used, then simplicity is maintained, but adjustment precision and control are insufficient
Solution Approach 1:
The control mechanism incorporates dynamic elements that allow for precise control of the adjustment process. The mechanism can transition between different states (locked, adjusting, locked-in-position) and provides feedback or resistance that helps operators achieve precise tension settings. This dynamic control enables fine-tuning of spring tension while maintaining manageable device complexity.
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
Facilitates safe and precise adjustment of torsion spring tension, reducing the risk of injury and improving operational efficiency in rolling shutter systems.
Implementation Method 1
Torsion springs are coil springs that store and release mechanical energy. Unlike a traditional coil spring that stores energy by pulling the ends apart, a torsion spring stores energy by twisting one end relative to the other.
Implementation Method 2
The coil spring 1002 winds by the fact that one end is rotating while the other end is fixed. When the curtain 1012 is later lifted to move from the deployed position to the retracted position, coil spring 1002 unwinds and the mechanical energy pulls the curtain 1012 upwards.
Data Source
AI summary
A torsion spring adjuster for a rolling shutter is provided. A support plate has a first flange with a hole. A wheel is rotatably mountable on the support plate. The wheel has: a drive recess shaped to engage an end of a torsion spring; a first set of recesses around a circumference of the wheel, the first set of recesses being a first lateral distance from a first end of the wheel; a second set of recesses around a circumference of the wheel, the second set of recesses being a second lateral distance from the first end of the wheel. When the wheel is mounted on the support plate the first lateral distance aligns the first set of recesses with the hole of the first flange of the support plate, and the second lateral distance aligns the second set of recess past the first flange of the support plate.