Self-Supporting Cabin Module With Continuous Outer Layer
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Solution Overview
Problem
Existing motor vehicle cabin constructions require additional body parts for shape stability, increasing complexity and construction effort.
Innovation Solution
A self-supporting cabin module formed by continuous walls with an inner and outer layer, where the inner layer is interrupted by separating sections and the outer layer remains continuous, allowing for easy assembly and adjustment of dimensions, and optionally incorporating insulation and mounting features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If additional body parts are used to provide shape stability for the covering, then shape stability is improved, but device complexity and construction effort increase
Solution Approach 1:
The covering is divided into modular wall sections that can be assembled from discrete components. Each wall section includes its own support structure, allowing the covering to achieve shape stability through modular assembly rather than requiring a single complex body part to carry the entire load.
Solution Approach 2:
The covering structure is designed to be self-supporting through its own geometric configuration and internal bracing elements. The wall sections incorporate integrated support features that enable the structure to maintain its shape without relying on external body parts for load-bearing support.
2Ease of manufacture
If the inner layer is interrupted by separating sections between walls, then ease of assembly and dimension adjustment are improved, but manufacturing precision requirements increase
Solution Approach 1:
The outer layer is pre-formed with continuous deformation zones and the inner layer is pre-segmented with separating sections at predetermined locations. This preliminary preparation of the layers with built-in alignment features and deformation zones enables precise assembly without requiring high precision during the final assembly process, as the components are designed to self-align.
Data Source
AI summary
A cabin module has the form of a self-supporting structural body of multiple walls which delimit a cabin area. The walls are made of a continuous blank, wherein in the edge regions of walls directly following one another, the outer layer is in each case designed to be continuous and deformed, and the inner layer is interrupted by a separating section. At least one first lateral wall, a base wall, a second lateral wall, and a roof wall are provided. End sections of the blank are connected to one another when the walls are erected. A motor vehicle is equipped with such a cabin module.