Overhead Panel Positioning Structure for Sag Prevention
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Solution Overview
Problem
The installation of overhead vehicle panels, such as headliners, is complicated by their size and position overhead, which can obscure the installation process and lead to sagging, making it difficult to affix them properly.
Innovation Solution
A positioning structure with a base, stem, and an enlarged head that pivots between a catch and insertion configuration, allowing temporary support of the headliner in a pre-installation position until it is fully installed, thereby preventing sagging and facilitating the installation process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If headliners are installed overhead, then the vehicle interior is completed, but the installation process becomes obscured and difficult to access
Solution Approach 1:
The patent applies preliminary action by using positioning structures (clips or blocks) to temporarily hold the headliner in place before final installation. These positioning structures are attached to the roof panel and provide reference points that guide the installation process, making it easier to align and secure the headliner without obscuring the work area.
2Stability of the object's composition
If headliners are positioned overhead, then vehicle interior coverage is achieved, but sagging occurs and complicates installation
Solution Approach 1:
The positioning structures are installed beforehand on the roof panel to provide stable reference points. These structures prevent the headliner from sagging during installation by maintaining proper spacing and alignment, thereby simplifying the installation process while ensuring position stability.
Solution Approach 2:
The positioning structures act as intermediary elements between the roof panel and the headliner. They mediate the installation process by providing temporary support and alignment, preventing direct contact issues between the headliner and roof panel that would cause sagging.
3Ease of operation
If positioning structures are used for temporary placement, then installation accessibility is improved, but additional components are required
Solution Approach 1:
The positioning structures are designed as separate, modular components that can be independently attached to the roof panel. This segmentation allows for easy installation and removal of the positioning aids without complicating the overall headliner assembly process.
Solution Approach 2:
The positioning structures are designed as simple, inexpensive components that serve their temporary purpose during installation and are then removed or discarded. They are not permanent parts of the vehicle interior, reducing overall complexity while providing necessary installation assistance.
Data Source
AI summary
A method of installing an overhead panel to another panel is provided. The method includes connecting a base of a positioning structure to a surface of the overhead panel. The positioning structure includes the base, a stem that extends outwardly from the base and an enlarged head that extends outwardly from the stem and overhangs the base. The enlarged head of the positioning structure is moved against a ledge of the another panel. The ledge contacts the enlarged head and moves the enlarged head from a catch configuration to an insertion configuration where the enlarged head reduces in dimension. The enlarged head is passed by the ledge such that the enlarged head moves from the insertion configuration to the catch configuration of increased dimension. The enlarged head is hung on the ledge such that the positioning structure supports the overhead panel in a pre-installation position that is different from an installed position.