Massage Apparatus Arm Unit Linkage for Posture-Adaptive Positioning
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Solution Overview
Problem
Existing massage devices struggle to effectively provide arm massage for users in both sitting and reclining positions due to fixed arm massage units that cannot adjust to changing user positions.
Innovation Solution
A massage apparatus with a frame connection part, driving shaft, links, and a sliding rail system that allows the arm massage unit to move and adjust position relative to the user's changing posture, enabling effective massage in both sitting and reclining positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the arm massage unit is fixed in position, then the structure is simple and stable, but it cannot effectively provide massage to users in both sitting and reclining positions
Solution Approach 1:
The arm massage unit is transformed from a fixed structure to a dynamic one through the addition of a sliding rail system. The frame holder can move along the sliding rail, allowing the arm massage unit to adjust its position dynamically. This enables the unit to adapt to different user positions (sitting and reclining) while maintaining a relatively simple overall structure, thus resolving the contradiction between adaptability and structural complexity.
2Adaptability or versatility
If the arm massage unit is made movable to adapt to different positions, then versatility improves, but the device complexity increases
Solution Approach 1:
The movable arm massage unit is divided into several independent components: a frame holder, a sliding rail, and connection links. This segmentation allows each component to perform a specific function (the frame holder moves, the sliding rail guides the movement, the links connect components), making the overall system easier to design, manufacture, and maintain. The segmentation reduces the complexity that would otherwise arise from a monolithic movable structure.
3Manufacturing precision
If a sliding rail system is added to enable arm massage unit movement, then positioning accuracy improves, but the number of components increases
Solution Approach 1:
The sliding rail system serves multiple functions simultaneously: it guides the movement of the frame holder, constrains the motion to a specific trajectory, and provides a simple mechanism for achieving positioning accuracy. By making the sliding rail multi-functional, the design avoids adding numerous separate components, thus achieving positioning accuracy while minimizing the increase in device complexity.
Data Source
AI summary
The present disclosure relates to a massage apparatus including an arm massage part, the massage apparatus comprising: a frame connection part which connects a buttock frame provided in a main frame and a back frame provided in the main frame, and which rotates about a frame rotation axis on the basis of the movement of the back frame; a driving shaft which passes through the frame connection part and moves along an arc-shaped driving shaft slot on the basis of the movement of the back frame; and an arm massage frame holder which moves along a sliding rail on the basis of the movement of a plurality of links that transmit the movement of the driving shaft.