Bumper Assembly Skeleton Design for Transport Stability
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Solution Overview
Problem
As the number of divisions in bumper assemblies increases, transportability decreases due to deformation and bending loads on joint portions, making it difficult to handle and support the assembly without risking breakage.
Innovation Solution
A bumper assembly configuration featuring a skeletal component that extends across the vehicle width, with decorative components assembled to it, allowing for improved transportability and design freedom by eliminating the need for additional support structures and allowing the absorber to absorb collision loads without interfering with the skeleton.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the number of divisions in bumper assembly increases, then design flexibility is improved, but transportability deteriorates due to deformation and bending loads on joint portions
Solution Approach 1:
The bumper assembly is divided into multiple decorative components (upper bumper, lower bumper, side bumpers) that can be assembled to the skeleton component. This segmentation allows for design flexibility while the skeleton component serves as a rigid backbone that maintains transportability by providing structural support during handling.
Solution Approach 2:
The skeleton component acts as an intermediary structure between the decorative components and the vehicle body. It provides a rigid framework that supports the decorative parts during transport, preventing deformation at joint portions while allowing the decorative components to be designed independently for flexibility.
2Adaptability or versatility
If the number of divisions in bumper assembly increases, then design freedom is improved, but assembly complexity increases making it difficult to handle
Solution Approach 1:
The bumper is segmented into decorative components that attach to the skeleton component. Each decorative component can be designed independently for maximum design freedom, while the skeleton component provides a standardized attachment interface that simplifies assembly despite the multiple divisions.
Solution Approach 2:
The skeleton component serves multiple functions: it provides structural support during transport, serves as a mounting platform for multiple decorative components, and provides attachment points for the absorber and wire harness. This multi-functionality reduces overall assembly complexity by consolidating support structures.
3Reliability
If additional support structures are added to prevent breakage during transport, then reliability is improved, but device complexity increases
Solution Approach 1:
The skeleton component is designed as a multi-functional element that simultaneously provides structural support during transport and serves as the mounting framework for decorative components. This eliminates the need for separate support structures, maintaining reliability while avoiding increased complexity.
Solution Approach 2:
The support function and the decorative mounting function are merged into the skeleton component. By combining these functions into a single rigid structure, the patent prevents breakage during transport without adding separate support structures that would increase complexity.
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
This configuration suppresses the deterioration in transportability even with increased divisions, enhancing the assembly's impact absorption capabilities and design flexibility.
Implementation Method 1
the absorber collapses and deforms in the front-rear direction to absorb the impact
Data Source
AI summary
The bumper assembly comprises the skeleton component and a plurality of the decorative parts. The skeleton component extends from the center in the vehicle width direction to both sides. A plurality of the decorative parts are incorporated into the skeleton component. In addition, each of the decorative parts has the exposed surface. The exposed surface is part of the vehicle appearance.