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Wheelchairs are the main mobility aid but have issues.
Transferring to a bed is inconvenient and depends on others.
It is a bridge for the elderly and disabled, as well as a bridge for building confidence and hope in life.
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Connecting Board (Small, unstable)
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Manual Movement After Binding (Not suitable for those who cannot stand)
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Hammock Type (Unstable)
Background
Target Group
People with disabilities or partial disabilities.
Reasons:
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Large population with high psychological stress.
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Staying indoors weakens their health and increases dependence.
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Prone to sensitivity, negativity, and anxiety.
Function Presets
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Retain the basic functions of the electric wheelchair
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The height of the wheelchair can be adjusted remotely
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The backrest and support plate can be adjusted (lying down)
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The backrest can be adjusted according to the position of the bed
Model Experiment 1
First Material: Sticks, Hinges, Gears
Focus of Structural Experiment:
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Conceal armrests.
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Gear mechanism controls wheelchair height adjustment.
Model Experiment 2
Second Material: Planks, round rods, hinges, acrylic plates, gears, motors, steering gears, syringes
Structure Experiment: The experiment failed; the design of the backrest and support plate was too complex.
Model Experiment 3
The issue from Experiment 2 has been resolved.
Model: Real object 1:4 scale
Use computer modeling to confirm structural connections and scale.
Central Control Structure
A small robotic arm and lifting device are 3D printed, while the motor box and lifting box are cut from transparent acrylic plates.
Lifting Structure with Gears
Assembly of the Chair
The backplate and support plate are fixed, the steering gear and seat plate are secured, and the bearing is connected to the steering gear.
Hide the Extruded Structure Adjust according to the user's leg length.
Third Material: Wood board, acrylic plate, gears, motor, steering transmission, fixed wheel, universal wheel, spring, infrared receiver.
Principle: The small robotic arm connects the seat plate, backplate, and support plate, controlling the back and legs through the steering gear. All movements are controlled via infrared remote control.
Model 3 has already implemented the expected functions.
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