Modular Vehicle Seat Backrest for Easy Cushion Replacement
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Solution Overview
Problem
Existing vehicle seats are difficult to replace and repair, especially in limited spaces, due to the integral design of backrest cushions which require replacing the entire seat.
Innovation Solution
A vehicle seat design where the backrest part is releasably connected to the base frame, allowing for independent removal and replacement without disassembling the base frame, and the seat part can also be separated for cleaning or adjustment, with a guide device facilitating easy displacement and adjustment of the backrest inclination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the backrest cushion is integrated into the base frame as a single unit, then the structural stability is improved, but the ease of repair and replacement deteriorates
Solution Approach 1:
The vehicle seat is divided into separate modular components: a base frame and a backrest part that can be detached from each other. The backrest part includes its own frame and cushion assembly that can be independently removed and replaced without affecting the base frame, enabling easy repair while maintaining structural integrity during use
2Adaptability or versatility
If the entire vehicle seat is replaced to change the backrest cushion, then the functionality is improved, but the cost and complexity increase
Solution Approach 1:
The backrest part is designed as a separate replaceable module with its own frame and cushion assembly. This segmentation allows the backrest cushion to be changed by replacing only the backrest part rather than the entire seat, reducing replacement complexity and cost while maintaining full functionality
Solution Approach 2:
The design enables the backrest part to be easily discarded (removed) and replaced with a new or different backrest cushion assembly. The base frame is retained and reused, recovering the valuable structural components while replacing only the worn or damaged cushion elements
3Strength
If the backrest cushion is fixed to the base frame, then the structural integrity is improved, but the ease of operation deteriorates
Solution Approach 1:
The connection between the backrest part and base frame is designed as a detachable interface rather than a permanent fixed connection. This allows the backrest part to be easily operated (attached and detached) while maintaining strong structural integrity when connected, resolving the contradiction between fixed attachment and ease of operation
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
Enables easy replacement and adjustment of the backrest cushion, simplifies assembly and disassembly, and enhances comfort with adjustable lumbar support, reducing the need for complete seat replacement and improving usability in confined spaces.
Implementation Method 1
The support part is provided and designed to deform a central region of the backrest cushion, wherein the deformation can be brought about by means of a displacement of the seat part
Implementation Method 2
a guide device facilitating easy displacement and adjustment of the backrest inclination
Data Source
Figure 1A~1B
Figure 2A~2C
Figure 3
AI summary
The invention relates to a vehicle seat comprising a base frame, which includes a seat frame and a backrest frame, and a seat section that is movable relative to the base frame. The vehicle seat includes a backrest section, wherein the backrest section is designed and configured to be detachably connected to the backrest frame and the seat section.