Massage Device Eccentric Drive for Hand-Like Pressure Motion
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Solution Overview
Problem
Existing massage devices fail to effectively mimic hand massaging motion and techniques, leading to inadequate muscle relaxation and discomfort relief.
Innovation Solution
A massage device comprising a housing, a massage sleeve, a transmission connection assembly with a guiding tube member, piston, eccentric wheel, and link component, and a motor that converts rotational motion into linear motion to vary air pressure in the massage sleeve, providing a realistic massage experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple motor-driven mechanism is used, then the device structure is simple, but it fails to effectively mimic hand massaging motion
Solution Approach 1:
The patent employs dynamic components including an eccentric wheel that converts rotational motion into reciprocating linear motion, and a flexible massage sleeve that dynamically adapts to body contours. This dynamic mechanism mimics the natural hand massaging motion while maintaining a relatively simple overall device structure.
Solution Approach 2:
The massage device utilizes periodic reciprocating motion through the piston's back-and-forth movement within the guiding tube, driven by the rotating eccentric wheel. This periodic action replicates the rhythmic nature of hand massaging, providing effective muscle stimulation without requiring complex control systems.
2Reliability
If a complex transmission mechanism is added to mimic hand motion, then massage effectiveness improves, but device complexity increases
Solution Approach 1:
The patent introduces a massage sleeve as an intermediary element between the piston and the body. This flexible sleeve translates the piston's linear reciprocating motion into a gentle massaging action that conforms to body surfaces, achieving effective massage without requiring complex transmission mechanisms.
Solution Approach 2:
The patent replaces complex mechanical transmission systems with a more straightforward approach: a motor directly drives an eccentric wheel that generates reciprocating motion. This substitution simplifies the mechanical system while maintaining massage effectiveness through the intelligent design of the massage sleeve and guiding tube assembly.
3Reliability
If air pressure is varied rapidly to mimic hand motion, then massage realism improves, but energy consumption increases
Solution Approach 1:
The patent controls air pressure parameters within optimal ranges, varying pressure gradually to create realistic massaging sensations. The motor operates at moderate speeds, and the eccentric wheel converts rotational motion into controlled reciprocating motion, avoiding excessive energy consumption while maintaining massage realism through proper parameter management.
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
The device effectively mimics hand massaging motions, relieving fatigue, tension, and promoting blood circulation, while reducing muscle and joint pain, headaches, and providing a soothing sensation.
Implementation Method 1
a transmission connection assembly including: a guiding tube member, a piston movable axially inside the guiding tube member along a long axis, an eccentric wheel, and a link component having a first end coupled with the piston and a second end coupled with the eccentric wheel
Implementation Method 2
drives the piston to move axially inside the guiding tube member along the long axis to change air pressure in the massage sleeve via the transmission connection assembly
Data Source
AI summary
A massage device includes a housing, a massage sleeve having an opening, a transmission connection assembly, and a motor. The transmission connection assembly includes a guiding tube member, a piston movable axially inside the guiding tube member, an eccentric wheel, and a link component coupling the piston on one end and with the eccentric wheel on another end. The motor is coupled with the eccentric wheel via a gear assembly. When the massage device is in operation, the motor causes the piston to move axially inside the guiding tube member to change an air pressure in the massage sleeve via the transmission connection assembly.