Adjustable Headrest Massage Structure for Vehicle Neck Support
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Solution Overview
Problem
Existing vehicle seats with massage devices in the headrest struggle to effectively massage the neck muscles of passengers due to fixed positioning, which limits the effectiveness of the massage.
Innovation Solution
A vehicle seat with a headrest that adjusts its position and includes air cells that expand and contract to provide targeted neck massages based on passenger height, allowing for customizable massage modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the massage device is disposed in the headrest with fixed positioning, then the structure is simple, but the massage effectiveness on neck muscles is poor
Solution Approach 1:
The headrest is designed with movable components including a body portion that moves vertically along the backrest unit, and a support portion that slides vertically relative to the body portion. This dynamic positioning system allows the massage device to be relocated to different positions on the passenger's neck based on input height information, thereby improving massage effectiveness while maintaining reasonable structural complexity through modular design
Solution Approach 2:
The system changes the position parameters of the headrest components based on passenger height information. The body portion and support portion can be adjusted to different vertical positions, allowing the massage device to adapt its location to match different passenger heights and neck positions, thus resolving the contradiction between fixed simple structure and effective variable positioning
2Adaptability or versatility
If the headrest position is adjusted based on passenger height, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The headrest employs dynamic positioning mechanisms where the body portion moves along the backrest unit and the support portion slides relative to the body portion. These adjustable mechanisms enable the headrest to adapt to different passenger heights while maintaining a manageable level of complexity through standardized motion paths and guided movement
Solution Approach 2:
The position adjustment mechanism serves multiple functions: it adjusts the headrest position for different passenger heights, positions the massage device appropriately on the neck, and maintains proper head support. This multi-functionality reduces the need for separate adjustment systems, thereby limiting the increase in device complexity while improving adaptability
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 seat effectively reduces passenger fatigue by providing tailored neck massages through adjustable positioning and air cell operations, enhancing comfort and relaxation.
Implementation Method 1
first to third air cells disposed on the headrest, and the first air cell is disposed between the second air cell and the third air cell
Data Source
AI summary
A seat for a vehicle includes: an input device for receiving input information including height information of a passenger, a backrest unit configured to support a back of the passenger; and a headrest disposed above the backrest unit, such that in the headrest, a massage device is disposed at a position depending on the height information of the passage for massaging a portion of a body of the passenger.