Vehicle Dashboard Beam Closed Section for Shock Absorber Mounting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing vehicle body front part structures are heavy and difficult to reinforce for supporting shock absorbers, especially under increased load conditions, as they require larger and heavier components to enhance strength.
Innovation Solution
A lightweight closed cross-sectional beam part is introduced, comprising a dashboard upper part and a reinforcing beam member attached to damper housings, which forms a beam with a first closed cross-section and includes hole portions for attaching shock absorbers, and an adhesive is used to prevent water ingress, enhancing structural strength and reducing weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the bar body is made thick and heavy to provide given strength, then the strength is improved, but the overall weight of the bar assembly increases
Solution Approach 1:
The invention uses a composite structure combining a metal pipe bar body with plastic attachment members. The metal pipe provides the necessary structural strength while the plastic attachment members reduce overall weight compared to all-metal construction. This composite approach allows the bar body to be thinner than solid metal bars while maintaining required strength through the combined properties of metal and plastic components.
Solution Approach 2:
The bar assembly is segmented into distinct functional components: the metal pipe bar body for structural support, and separate plastic attachment members for mounting. This segmentation allows optimization of each component's material and thickness independently, enabling the bar body to be thinner and lighter while the attachment members provide the necessary connection strength.
2Force
If the bar body is made larger in size to support larger loads, then the load-bearing capacity is improved, but the weight and difficulty of reinforcement increase
Solution Approach 1:
The plastic attachment members with integrated reinforcement ribs provide enhanced load-bearing capacity without increasing the metal pipe diameter. The reinforcement ribs in the plastic members create a composite structure that distributes and withstands larger loads, allowing the metal pipe to remain slender while the overall assembly handles increased forces.
Solution Approach 2:
The reinforcement ribs are strategically placed in specific locations within the plastic attachment members where stress concentration occurs. This local reinforcement provides the necessary strength for larger loads without requiring the entire bar body to be thicker or heavier, optimizing the weight-strength ratio.
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
The solution provides a lighter and stronger structure for supporting shock absorbers, effectively addressing the weight and reinforcement challenges while maintaining structural integrity and preventing water entry into the engine space.
Implementation Method 1
an adhesive is interposed between the dashboard upper part and each of the right and left damper housings. By virtue of this adhesive, rainwater or the like having flowed along the dashboard upper part and reached clearances between the dash-board upper part and the damper housings is prevented from entering the engine space
Data Source
AI summary
A front part structure of a vehicle body includes a dashboard upper part attached to right and left damper housings. The dashboard upper part includes a front part positioned forwardly of the vehicle body, and a reinforcing beam member. Jointly with the front part, the reinforcing beam defines a closed cross section.