Rear Vehicle Floor C-Ring Crossbeam Integration
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Solution Overview
Problem
The traditional C-ring structure of the steel body vehicle, composed of multiple sheet metal parts welded together, is complex and costly, hindering the achievement of high integration, lightweight, and improved NVH and stiffness performance.
Innovation Solution
A rear vehicle floor with a C-ring crossbeam integrated into a one-piece structure, which includes a rear floor body and a C-ring crossbeam cast together, along with a damper mounting portion, to enhance integration, reduce weight, and improve stiffness and NVH performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If multiple sheet metal parts are welded together to form the C-ring structure, then the structural strength and stability are improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent merges the C-ring crossbeam and rear floor body into a single integrated component. The C-ring crossbeam is directly formed as part of the rear floor body structure, eliminating the need for separate sheet metal parts and welding operations. This integration reduces structural complexity while maintaining the strength requirements through the unified design.
2Stability of the object's composition
If multiple sheet metal parts are welded together to form the C-ring structure, then the structural stability is improved, but the manufacturing cost and tooling investment increase
Solution Approach 1:
The patent combines multiple components into a single molded part, eliminating welding operations and reducing tooling requirements. The integrated C-ring crossbeam and rear floor body can be manufactured as one piece using injection molding or similar forming processes, significantly reducing manufacturing complexity and cost compared to assembling multiple welded parts.
3Strength
If traditional welded C-ring structure is used, then the structural strength is maintained, but the weight reduction and lightweight achievement are hindered
Solution Approach 1:
The patent employs composite material construction for the rear floor body and C-ring crossbeam. The integrated structure uses materials such as aluminum alloys or composite panels that provide high strength-to-weight ratio, enabling weight reduction while maintaining the structural strength required for the C-ring configuration.
4Ease of operation
If multiple separate components are used for the rear floor and C-ring, then the ease of assembly is improved, but the integration degree and lightweight achievement are reduced
Solution Approach 1:
The patent integrates the C-ring crossbeam and rear floor body into a single unified structure, maximizing the integration degree. This eliminates the need for assembly operations between separate components, and while the design is more complex, the manufacturing process is simplified through single-piece production methods.
Data Source
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AI summary
A rear vehicle floor, and a vehicle. The rear vehicle floor comprises a rear floor body (1) and a C-ring cross beam (2) arranged on the rear floor body; and the rear floor body and the C-ring cross beam are of an integral structure. According to the rear vehicle floor, the rear floor body and the C-ring cross beam are provided as an integral structure, such that integration and the property of lightweight of a vehicle body can be achieved, and the rigidity and NVH performance of the entire vehicle can be improved.