Adjustable Height Transfer Machine for Elderly Care
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Solution Overview
Problem
Existing transfer machines in the medical device field have a limited functionality and cannot adapt the foot pedal height to match the required height of the main body assembly, restricting their application in elderly care.
Innovation Solution
The proposed transfer machine includes a main body assembly with two lifting rods and seat plates that can rotate, a lifting assembly with a base, connecting rod, and control assembly, allowing the main body assembly to adjust its height by moving the lifting rods up and down, thus accommodating the required height.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the foot pedal height is fixed in the main body assembly, then the structure is simple, but the adaptability to different height requirements is poor
Solution Approach 1:
The patent applies the dynamics principle by transforming the fixed foot pedal structure into an adjustable one. The foot pedal height can be dynamically changed through the lifting rod mechanism, allowing the transfer machine to adapt to different height requirements while maintaining operational simplicity through controlled adjustment mechanisms.
Solution Approach 2:
The patent implements parameter changes by modifying the height parameter of the foot pedal. Through the lifting rod and connecting rod mechanism, the height of the foot pedal can be adjusted to match different main body assembly heights, thereby improving adaptability without significantly complicating the overall structure.
2Ease of operation
If the main body assembly height is adjustable, then the usability for different positions is improved, but the device complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the height adjustment function into separate components: the lifting rod, connecting rod, and foot pedal assembly. This modular approach allows independent adjustment of each component, improving usability while keeping the overall assembly complexity manageable through functional decomposition.
Solution Approach 2:
The patent implements universality by designing the lifting rod mechanism to serve multiple functions: it adjusts the foot pedal height, supports the main body assembly, and enables position changes. This multi-functional design improves usability across different应用场景 without proportionally increasing assembly complexity.
Data Source
AI summary
A transfer machine includes a main body assembly and a lifting assembly. The main body assembly includes two lifting rods capable of moving up and down and two seat plates facing the lifting rods. Each seat plate can rotate around the corresponding lifting rod thereby enabling the two seat plates to close or separate from each other. The lifting assembly includes a base, a connecting rod and a control assembly fixedly connected to the lifting rods. The base includes two guiding rods extending up and down, and each lifting rod can move in the up-down direction along the guiding rod. The control assembly includes a pushing rod, connected to the connecting rod; and a drive arm, driving the lifting rods to move in the up-down direction, thereby driving the main body assembly to move up and down. The connecting rod includes two foot sections.