Flush-Fitted Vehicle Door Glazing With Integrated Panel Guiding
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Solution Overview
Problem
Existing vehicle door designs combining a glazed fixed part and a vertically mobile panel face challenges in ensuring effective guiding, sealing, safety, and ease of assembly, particularly when integrating a lower edge opening, while minimizing attachment parts and maintaining reliability.
Innovation Solution
A glazed device with a mobile panel encapsulated by overmoulding, featuring stops and guide pads, facilitates easy assembly and secure mounting, utilizing encapsulation to integrate with the window lifting mechanism and reduce frame size, ensuring reliable guiding and sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a mobile panel is integrated with a fixed glazed part to create an opening, then the clear opening is maximized, but the complexity of guiding, sealing, and mounting increases
Solution Approach 1:
The guide pads are integrated directly into the mobile panel structure, eliminating separate guiding components. The encapsulation integrates multiple functions including sealing, guiding, and mounting retention, reducing the number of separate components needed for the door assembly.
Solution Approach 2:
The encapsulation serves multiple functions simultaneously: it provides sealing between the mobile panel and door shell, guides the mobile panel movement, and provides mounting retention through integrated stops. This multi-functionality reduces the overall complexity of the system.
2Reliability
If the mobile panel is securely retained during movement, then reliability is improved, but the ease of assembly and disassembly deteriorates
Solution Approach 1:
The encapsulation includes discrete stops positioned at specific locations to provide retention during movement. These stops are integrated into the encapsulation structure but function as separate retention points, allowing the panel to be securely held while maintaining ease of assembly through the integrated design.
Solution Approach 2:
The encapsulation structure automatically provides retention and guiding functions through its integrated design, eliminating the need for separate complex mounting mechanisms. The stops and guide pads work together to ensure reliable retention while simplifying the assembly process.
3Area of stationary object
If the frame size is reduced to maximize clear opening, then the area is improved, but the effectiveness of guiding and sealing deteriorates
Solution Approach 1:
Instead of requiring a large frame for guiding and sealing, the solution concentrates the necessary functions into localized guide pads and encapsulation features at critical points. This allows the frame to be minimized while maintaining effective guiding and sealing through strategically placed components.
Solution Approach 2:
The guiding and sealing functions are merged into the encapsulation structure, eliminating the need for a large separate frame. The encapsulation integrates these functions directly at the mobile panel, allowing for a minimized frame size while maintaining effective guiding and sealing.
4Reliability
If multiple attachment parts are used to ensure reliable mounting, then reliability is improved, but the device complexity increases
Solution Approach 1:
Multiple attachment and retention functions are merged into the integrated encapsulation structure. The encapsulation combines sealing, guiding, and mounting retention functions into a single integrated component, reducing the number of separate parts while maintaining mounting reliability through the combined functionality.
Data Source
AI summary
A glazed device for a vehicle door including a mobile panel configured to be movable relative to a fixed panel and a frame for guiding the mobile panel within the door. The device comprises at least one guide rail secured to the fixed panel and configured to receive the mobile panel in sliding engagement. A rail mount is fixed to the inner side of the fixed panel and extends substantially parallel to the guide rail. The rail mount includes a mounting interface for coupling the guide rail to the fixed panel. The configuration simplifies assembly, improves structural integration, and facilitates secure retention of the mobile panel during operation. The invention also relates to a vehicle door incorporating the glazed device.