Trim Device Airbag Plate Integration
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Solution Overview
Problem
The existing methods for attaching airbag safety devices to vehicle trim pieces require numerous screws and nuts, leading to increased assembly time, weight, and costs, as well as potential degradation of screws.
Innovation Solution
A trim device with a first housing for the airbag and a second housing with a plate that secures the airbag via a screw and nut, reducing the number of screwing operations and improving ergonomics during assembly, featuring a plate with one end immobilized in the second housing and a hole for the screw, and optionally an L or S-shaped bend for secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple screws and nuts are used to attach the airbag safety device to the trim piece, then the attachment reliability is improved, but the assembly time increases and the ergonomics deteriorate
Solution Approach 1:
The patent combines multiple fastening operations into a single integrated plate component. The plate integrates the airbag safety device attachment function with the trim piece attachment function, allowing both to be secured simultaneously through one screwing operation rather than requiring separate operations for each attachment point.
Solution Approach 2:
The plate serves multiple functions: it acts as the mounting surface for the airbag safety device, provides the attachment interface to the trim piece, and integrates both attachment operations into a single component. This multi-functionality eliminates the need for separate fastening operations.
2Reliability
If multiple screws and nuts are used to attach the airbag safety device to the trim piece, then the attachment reliability is improved, but the device complexity increases
Solution Approach 1:
The patent merges multiple separate components (airbag safety device mounting structure, trim piece attachment structure, multiple screws and nuts) into a single integrated plate component. This reduction in component count simplifies the overall device complexity while maintaining attachment reliability.
Solution Approach 2:
The plate is designed as a universal component that performs multiple attachment functions simultaneously - securing the airbag safety device and attaching to the trim piece in one integrated structure, thereby reducing the total number of parts required.
3Reliability
If multiple screws and nuts are used to attach the airbag safety device to the trim piece, then the attachment reliability is improved, but the weight increases
Solution Approach 1:
The patent combines multiple fastening components (screws and nuts) into a single plate component with integrated fastening features. This consolidation reduces the total material used and the overall weight of the trim device while maintaining the necessary attachment reliability.
Solution Approach 2:
The patent extracts and eliminates redundant fastening components from the assembly. By using the integrated plate design, unnecessary screws and nuts are removed, reducing the total weight of the trim device.
4Reliability
If multiple screws and nuts are used to attach the airbag safety device to the trim piece, then the attachment reliability is improved, but the manufacturing costs increase
Solution Approach 1:
The patent merges multiple separate manufacturing operations into a single integrated plate component. This consolidation reduces the number of parts that need to be manufactured, inventory managed, and assembled, thereby reducing manufacturing costs while maintaining attachment reliability.
Solution Approach 2:
The plate is designed as a multi-functional universal component that replaces multiple specialized fastening parts. This reduces the variety of components needed in the bill of materials, simplifies supply chain management, and reduces manufacturing costs.
Data Source
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AI summary
The invention relates to a trim device (DG) including a trim part (PG) suitable for being rigidly connected to a vehicle structure adjacent to a door entrance and comprising a first cavity (L1) having a first side (C1) provided with a screw (V1) and accommodating an airbag safety device (DS), and a second cavity (L2) adjacent to a second side (C2) of the first cavity (L1), opposite the first side (C1). This device (DG) also includes a plate (PF) rigidly connected to the airbag safety device (DS) and including a first end (E1) locked within the second cavity (L2) and a second end (E2) opposite this first end (E1), comprising a hole (TV) passed through by the screw (V1), and rigidly connected to the trim part (PG) by a nut screwed onto the screw (V1).