Modular Vehicle Seat Headrest Coupling for Comfort Adaptation
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Solution Overview
Problem
Existing vehicle seats struggle to provide high comfort levels across various driving conditions and passenger sizes, often compromising on either comfort or lateral support.
Innovation Solution
A vehicle seat design featuring a rigid base structure with interchangeable upholstery components, including a coupling system using magnets and rotation constraints, allowing quick and easy attachment of replaceable headrests and detachable restraining elements to adapt to different driving conditions and passenger needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed seat design is used to ensure structural stability, then reliability is improved, but adaptability deteriorates
Solution Approach 1:
The seat is divided into a fixed base structure and interchangeable upholstery components. The base structure includes a rigid frame with coupling mechanisms, while the upholstery components (seats, backrests, headrests) can be detached and replaced. This segmentation allows the stable base to remain fixed while the upholstery elements are swapped to adapt to different driving conditions and passenger needs.
Solution Approach 2:
The seat system transitions from a static fixed design to a dynamic reconfigurable system. The coupling mechanisms (magnetic couplings, rotation constraints) enable the upholstery components to be easily attached and detached, allowing the seat configuration to change dynamically based on driving conditions, passenger size, and comfort requirements.
2Ease of operation
If a complex coupling system is used to enable quick attachment, then ease of operation is improved, but device complexity increases
Solution Approach 1:
Traditional mechanical fastening systems (screws, clips, latches) are replaced with magnetic coupling mechanisms. The magnetic couplings provide automatic alignment and attachment forces, eliminating the need for complex manual fastening operations. The rotation constraint works passively with the magnetic coupling to provide directional guidance, creating a simple yet effective attachment system that is easy to operate without requiring multiple components or complex procedures.
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 provides enhanced comfort and adaptability by allowing quick customization of upholstery components, ensuring optimal support and appearance for diverse driving scenarios and passenger preferences.
Implementation Method 1
a magnetic coupling element (13, 15) and a counter-magnetic coupling element (13, 15) arranged opposite one another so as to attract one another when in engagement with one another
Data Source
AI summary
A seat of a vehicle having: a base structure, which is rigid and is configured to be fixed to a floorboard of the vehicle; and an upholstery, which is elastically deformable, at least partially covers the base structure and constitutes the outermost part of the seat that comes into contact with a body of a passenger of the seat. The upholstery has a cushion, a backrest and a headrest, which are separate from and independent of one another. The headrest of the upholstery is fixed to the base structure in a separable manner by means of a coupling system. The base structure has an upper portion, which is configured to support the headrest and, at the same time, is configured, in the absence of the headrest, to accommodate a helmet worn by the passenger sitting on the seat.