Bathing auxiliary chair
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Solution Overview
Problem
Conventional bathing auxiliary chairs are difficult to maneuver and unstable, particularly for individuals with impaired mobility, as they are often designed for specific bathtub sizes and lack adjustable features that ensure safe and convenient use.
Innovation Solution
A bathing auxiliary chair with a seating unit and supporting unit that includes snap mechanisms and adjustable frames, allowing the chair to be widened and securely positioned over bathtubs of varying sizes, ensuring stability and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the seat portion is made movable to improve convenience, then ease of operation is improved, but reliability deteriorates because the chair shakes and becomes unstable
Solution Approach 1:
The seat portion is designed to be movable along the longitudinal direction through guide shells and tubes, allowing dynamic adjustment for different bathtub sizes and user positions while maintaining stability through controlled movement paths
Solution Approach 2:
The chair structure allows changing the position parameter of the seat portion along the longitudinal axis, enabling adaptation to different bathtub dimensions while maintaining structural integrity through the guide mechanism
2Manufacturing precision
If the chair is designed for specific bathtub size, then manufacturing precision is improved, but adaptability deteriorates
Solution Approach 1:
The chair is divided into separable components including the seat portion, guide shells, and supporting legs, allowing the seat to be positioned at different locations along the longitudinal axis to fit various bathtub sizes
Solution Approach 2:
The chair design incorporates adjustable features that enable a single chair model to serve multiple bathtub sizes and configurations, with the seat portion movable along the longitudinal direction to adapt to different spatial requirements
3Ease of operation
If the seat portion cannot be fixed properly after position change, then ease of operation is improved, but reliability deteriorates causing danger to user
Solution Approach 1:
The guide shells and tubes are pre-configured with alignment features that automatically guide the seat portion into correct positioning, ensuring proper fixation is achieved through the predetermined path rather than requiring manual alignment
Data Source
AI summary
A bathing auxiliary chair suitable for bathtubs of different sizes generally includes a seating unit and a supporting unit. The seating unit, which allows a user to sit thereon while bathing, is supported by the supporting unit and can be moved between a first position and a second position. The seating unit is provided with a front guide shell and two rear guide shells. In use, when the seating unit is located at the first position or the second position, one of the rear guide shells can abut against a fastener located at a rear tube of the supporting unit, and the front guide shell can be coupled to a front tube of the supporting unit through a button of a snap mechanism, so that the seating unit can be fixed at the position reliably, and the bathing auxiliary chair can be used safely.