Vehicle Trim Airbag Chute Coupling With Molded Rib Interface
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current vehicle trim components do not effectively secure an airbag chute during deployment, which can lead to inefficient airbag deployment and potential damage to the vehicle interior.
Innovation Solution
A vehicle trim component comprising a structural substrate made of fibers, an airbag chute made of thermoplastic polyolefin, and a rib injection-molded structure that couples the airbag chute to the substrate, providing a reinforced interface for secure bonding and facilitating airbag deployment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a simple panel structure is used for the vehicle interior trim component, then manufacturing is easier and cost is lower, but the airbag chute cannot be securely attached during deployment
Solution Approach 1:
The panel is divided into distinct functional zones: a first region for the airbag chute attachment and a second region for structural support. This segmentation allows the attachment structure to be optimized independently for securing the chute while maintaining overall panel simplicity.
Solution Approach 2:
The attachment structure incorporates varying thickness and material properties in specific local regions. The first region has enhanced structural characteristics (increased thickness or reinforced material) specifically where the airbag chute needs secure attachment, while other regions maintain standard panel properties.
2Reliability
If a reinforced attachment structure is added to secure the airbag chute, then deployment reliability improves, but manufacturing complexity increases
Solution Approach 1:
The attachment structure is integrated directly into the panel during the same manufacturing process rather than being added as a separate component. This merging of functions into a single molded part simplifies assembly and reduces manufacturing steps while providing the necessary reinforcement.
Solution Approach 2:
The attachment structure serves multiple functions simultaneously: it provides structural support for the panel, creates secure attachment points for the airbag chute, and maintains the overall aesthetic and functional integrity of the interior trim component.
3Reliability
If the airbag chute is securely coupled to the panel, then deployment effectiveness improves, but the risk of damage to vehicle interior during deployment increases
Solution Approach 1:
The airbag chute is pre-positioned and securely attached to the panel in a controlled manufacturing environment. This preliminary secure attachment ensures proper alignment and positioning before deployment, allowing the airbag to deploy effectively through the intended path without erratic movement that could cause interior damage.
Solution Approach 2:
The attachment structure is designed with specific mechanical properties (strength, flexibility, thickness) that balance secure attachment with controlled deployment forces. The structural parameters are optimized to hold the chute firmly during normal conditions while allowing safe deployment during airbag activation.
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 ensures secure attachment and effective deployment of the airbag, minimizing damage to the vehicle interior by providing a robust and structured interface between the airbag chute and the structural substrate, enhancing the deployment process.
Implementation Method 1
The structure comprises a rib injection molded onto the structural substrate
Implementation Method 2
The airbag chute may be welded to the structure; the airbag chute may be welded to the structure and the structural substrate
Implementation Method 3
It is known to form the trim component with fibers by a compression forming process
Data Source
Figure 1A~1F
Figure 2A~2D
Figure 3A~3C
AI summary
A component for a vehicle interior is disclosed. The component may comprise a structural substrate, an airbag chute and a structure coupling the chute and structural substrate. The structure may comprise a rib injection molded onto the structural substrate; the structure may be bonded to the structural substrate. The chute may be welded to the structure and/or the structural substrate. The structural substrate may comprise a panel comprised of fibers; the structure may be comprised of resin. The structure may comprise an interface bonding the chute and structural substrate; the interface may comprise a molded feature/resin feature/mounting area on the structural substrate; a structure/material/rib injection molded on the structural substrate; a bond; an attachment; a composite or resin material; a material comprising fibers; polypropylene with fibers. The component may comprise a trim component; an instrument panel; a trim panel.