Instrument Panel Airbag Retainer Opening for Tray Clip Verification
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Solution Overview
Problem
The assembly process of the instrument panel is inefficient due to the difficulty in verifying the secure fixation of the tray to the panel main body, as the clip is hidden by the airbag retainer, leading to reduced operation efficiency.
Innovation Solution
An instrument panel design with an airbag retainer that includes an opening portion allowing visual confirmation of the tray's secure fixation to the panel main body using a fastening tool, and the tray is aligned with the air outlet in the vehicle width direction to reduce the panel's up-down length.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the airbag retainer is attached to the panel main body before the tray, then the tray can be securely fixed to the panel main body, but the clip is hidden by the airbag retainer making it impossible to visually verify the fixation
Solution Approach 1:
The airbag retainer is segmented with an opening portion that separates the structure to allow visual access to the clip attachment area. This segmentation enables the verification function while maintaining the structural integrity and fixation reliability of the airbag retainer-tray-panel assembly.
Solution Approach 2:
The opening portion acts as an intermediary element that provides a visual pathway from the exterior to the clip attachment area. This intermediary structure allows operators to verify clip positioning without direct access to the hidden area, solving the detection difficulty while preserving the fixation reliability.
2Length of stationary object
If the air outlet and tray are disposed to be aligned in the left-right direction, then the length of the instrument panel in the vehicle up-down direction is shortened, but the tray must be longer in the vehicle up-down direction increasing the risk of collision with the airbag
Solution Approach 1:
The design transitions from vertical alignment (up-down direction) to horizontal alignment (left-right direction) of the air outlet and tray. This dimensional change allows the instrument panel to achieve compact vertical dimensions for improved visibility while the horizontal arrangement provides sufficient separation distance between the tray and airbag, eliminating collision risk.
3Device complexity
If the tray is attached with the airbag retainer already attached to the panel main body, then the assembly process is simplified, but the space for attachment is narrow requiring the tray to be split into upper and lower trays
Solution Approach 1:
The tray is segmented into an upper tray and a lower tray, allowing the lower tray to be attached first to provide adequate attachment space, followed by the upper tray. This segmentation resolves the space constraint issue while maintaining the simplified assembly sequence of attaching components with the airbag retainer already in place.
Solution Approach 2:
The airbag retainer is attached to the panel main body in advance before the tray attachment process. This preliminary action simplifies the overall assembly by establishing a stable base structure, and the subsequent tray segmentation accommodates the limited attachment space created by this preliminary positioning.
Data Source
AI summary
An airbag retainer for attaching the airbag main body and a tray disposed below the airbag retainer are attached to the panel main body of the instrument panel of the vehicle. The upper tray is attached to the panel main body by clips. The airbag retainer is formed with an opening portion through which the clip can be viewed.