Feet Stretching Device Dynamic Angle Adjustment
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Solution Overview
Problem
Existing stretching devices are limited by their inability to dynamically adjust stretching angles, leading to user inconvenience and reduced exercise adherence due to fixed operation modes.
Innovation Solution
A feet stretching device with a base, extendable rod, control device, driving mechanism, and support plate that allows users to dynamically adjust stretching angles via a control panel and driving mechanism, incorporating safety features like photointerrupter safety switches to prevent injury.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If stretching devices use fixed operation modes, then device structure is simple, but user convenience and exercise adherence deteriorate
Solution Approach 1:
The stretching device transitions from fixed static angles to dynamically adjustable angles through an electric drive system. The support plate can be adjusted to different angles (e.g., 0°, 15°, 30°, 45°) and maintains each angle stably, providing users with customized stretching experiences while maintaining structural reliability through a pivot connection between the support plate and base.
Solution Approach 2:
The device enables parameter changes by allowing continuous adjustment of the stretching angle through electric motor control. Users can select from multiple preset angles or customize their own angles, transforming the device from a fixed-parameter tool to a variable-parameter system that adapts to different exercise needs and user preferences.
2Adaptability or versatility
If stretching devices allow manual angle adjustment, then adaptability improves, but ease of operation deteriorates due to complex manual adjustment
Solution Approach 1:
The device replaces manual mechanical angle adjustment with an electric drive system. An electric motor connected to the support plate through a pivot connection automatically adjusts and maintains the desired angle, eliminating the need for users to manually position and hold the plate at different angles, thereby significantly improving ease of operation while maintaining full adaptability.
Solution Approach 2:
The stretching device performs self-service by automatically adjusting and maintaining the support plate at the user-selected angle without requiring continuous manual intervention. The electric drive system autonomously positions the plate and holds it steady throughout the exercise, freeing the user to focus on the stretching routine rather than device operation.
3Adaptability or versatility
If stretching devices have fixed angles, then device complexity is low, but adaptability to different exercise needs deteriorates
Solution Approach 1:
The stretching device achieves universality by incorporating an electric drive system that can accommodate multiple stretching angles and exercise modes within a single device structure. The support plate with pivot connection and motorized adjustment enables the device to serve various stretching needs (different angles, different durations, different intensities) without requiring multiple separate devices, thereby managing complexity through consolidation.
Solution Approach 2:
The device implements feedback control where the control system monitors the support plate position and automatically adjusts it to maintain the user-selected angle. This closed-loop control ensures accurate angle maintenance throughout the exercise, providing adaptability to different exercise needs while managing system complexity through automated position control rather than requiring complex manual adjustment mechanisms.
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
Enhances user convenience by allowing customizable exercise modes and ensures safety through automatic angle adjustment and injury prevention, improving exercise effectiveness and adherence.
Implementation Method 1
The support plate further includes a photointerrupter safety switch electrically connected with the control circuit, and the photointerrupter safety switch can stop each of the sport modes executed by the control circuit and restore the support plate to an initial status when a plurality of loopholes disposed on the support plate are not shielded totally.
Data Source
AI summary
The present invention is to provide a feet stretching device, which includes a base placed on the ground; an extendable rod having an end fixed at a front edge of the base and the other end extended upward; a control device having a control panel fixed at the other end of the extendable rod, two control handles disposed at two sides of the control panel for being held by user's hands, and a control circuit for generating different output signals selected by the user; and a driving mechanism having an end pivotally linked with the base at a position near a back edge of the base and the other end movably and reciprocatingly mounted on a support plate, so as to dynamically kept the angle between the support plate and the base according to the output signal for performing a stretching exercise on user's feet standing on the support plate.