Vehicle Firewall Bridging Structure for Floor Space Conflicts
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Solution Overview
Problem
Existing methods for producing vehicle body units require time and expense to mount firewall supports individually, and the increasing space requirements for vehicle batteries and electronic components in the floor region compete with the space needed for support installations.
Innovation Solution
A method involving a bridging unit and a supporting element are used to form a multi-piece supporting unit that transmits forces from the firewall to the vehicle floor, allowing preassembly and modular attachment, reducing installation space and simplifying production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If firewall supports are mounted individually and in full on the firewall and vehicle floor, then the firewall support function is ensured, but production time and expense increase
Solution Approach 1:
The firewall support structure is divided into multiple segments: a bridging unit with first and second support elements that can be mounted separately and connected together. This segmentation allows partial assembly and modular installation, reducing production complexity while maintaining structural integrity and support function.
Solution Approach 2:
The bridging unit is prepared in advance with support elements positioned and connected before installation on the vehicle. This preliminary assembly reduces on-site mounting operations and simplifies the production process while ensuring proper alignment and structural performance.
2Productivity
If interior modules with vehicle batteries are preassembled and attached modularly, then production efficiency is improved, but spatial conflict with firewall support occurs
Solution Approach 1:
The support structure is segmented into distributed support elements rather than a single monolithic support. This allows the support function to be achieved with reduced spatial footprint, enabling coexistence with preassembled interior modules and vehicle batteries in the floor region.
Solution Approach 2:
The bridging unit extends in the longitudinal direction of the vehicle, utilizing the length dimension rather than occupying floor space. This dimensional reorientation allows the support structure to function without conflicting with interior modules mounted on the vehicle floor.
3Adaptability or versatility
If additional electronic components are arranged in the vehicle floor, then functional requirements are met, but space for support installation is reduced
Solution Approach 1:
The support structure utilizes the longitudinal space above the vehicle floor rather than occupying floor area. By extending in the vertical and longitudinal dimensions, the support elements provide necessary structural function without competing for space with electronic components arranged on the vehicle floor.
Solution Approach 2:
The bridging unit serves multiple functions: it provides firewall support, bridges mounting spaces for functional units, and accommodates the presence of electronic components. This multi-functionality allows the structure to adapt to varying spatial requirements without compromising support capability.
Data Source
AI summary
A method for producing a body unit for a vehicle, the body unit having a firewall unit for frontally delimiting a passenger compartment and having a floor structure for defining a vehicle floor. A bridging unit is mounted for bridging a mounting space for mounting of a functional unit of the vehicle in a force transmission region of the firewall unit for transmitting a force from the firewall unit to the bridging unit such that the bridging unit extends, at least in sections, from the force transmission region toward the passenger compartment. A vehicle is also provided.