Omega-Shaped Headliner Bracket for Clip-Free Installation
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Solution Overview
Problem
Existing vehicle headliner attachment methods are difficult to install, require clips or locators, and are not easily serviceable or removable, leading to manufacturing and repair challenges.
Innovation Solution
A vehicle headliner assembly with omega-shaped mounting brackets featuring specific angular wall sections that allow easy installation and dismounting, eliminating the need for clips or locators, and providing enhanced rigidity and vibration absorption through a U-shaped cross-section and tapered design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional headliner attachment methods are used, then the headliner can be securely attached to the vehicle roof, but the installation process becomes complex and difficult
Solution Approach 1:
The mounting bracket is divided into distinct functional segments: a base plate for roof attachment, a protruding portion with omega-shaped cross-section for connector engagement, and wall sections at specific angles for guiding and retaining the headliner. This segmentation allows each part to perform its specific function independently, simplifying the overall installation process while maintaining security.
Solution Approach 2:
The mounting bracket design enables self-aligning and self-retaining functionality. The first pair of wall sections at 30-50° angles automatically guide the connector during insertion, while the second pair at 80-100° angles automatically retains the headliner in position. This eliminates the need for separate clips or locators, allowing the system to install itself without complex tools or procedures.
2Reliability
If traditional attachment methods with clips and locators are used, then the headliner can be securely fixed, but additional components increase device complexity and cost
Solution Approach 1:
The invention merges the functions of multiple separate components (base plate, retaining clips, positioning locators) into a single integrated mounting bracket. The base plate provides attachment to the roof, while the protruding portion with omega-shaped cross-section simultaneously provides connector engagement and headliner retention through its specifically angled wall sections. This consolidation reduces the number of parts while maintaining attachment reliability.
Solution Approach 2:
The mounting bracket is designed as a multi-functional component that performs multiple functions: attaching to the vehicle roof, guiding the connector during installation, retaining the headliner in position, and providing structural support. The omega-shaped cross-section with differently angled wall sections enables the same component to handle both installation guidance and operational retention, eliminating the need for separate specialized components.
3Stability of the object's composition
If traditional headliner attachment systems are used, then the headliner remains fixed during vehicle operation, but the headliner becomes difficult to remove for service or repair
Solution Approach 1:
The mounting bracket provides dynamic retention rather than static fixation. The second pair of wall sections at 80-100° angles creates a retaining configuration that holds the headliner securely during normal vehicle operation, but allows controlled removal when needed. The angular geometry enables the bracket to adapt between a stable retained state during use and a releaseable state during service, facilitating both stability and repairability.
4Strength
If rigid attachment structures are used, then the headliner is securely held, but vibrational noise increases
Solution Approach 1:
The invention changes the geometric parameters of the mounting bracket, specifically the angles of the wall sections. The first pair at 30-50° angles and the second pair at 80-100° angles create a configuration that provides secure attachment while accommodating vibrational movements. This angular parameter optimization allows the rigid bracket structure to maintain strength while reducing the transmission of vibrational noise to the headliner.
Data Source
Figure 1
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Figure 4~5
AI summary
A vehicle headliner assembly (20) comprising a plurality of mounting brackets (1), each mounting bracket (1) comprising a base plate (2) and a protruding portion (4), the protruding portion (4) having a three-dimensional shape comprising an omega-shaped cross-section formed by a plurality of wall sections (w1-w6). The bracket has a first pair of wall sections (w3, w4) facing away from the base plate (2) and defining an angle (α3,4) in the range from 30° to 50° for pushing flexible members of a connector (21) apart during mounting, and has a second pair of wall sections (w2, w5) defining an angle (α2,5) in the range from 80° to 100° for retaining the connector (21) in a releasable manner. A mounting bracket (1) for use in the headliner assembly (20). A vehicle comprising the headliner assembly (20).