Vehicle Door Module With Pre-Assembled Shaft Seal Integration
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Solution Overview
Problem
The existing assembly process for vehicle doors is inefficient due to the need for additional steps to install the shaft seal between the door parapet and window glass, which increases production time and complexity.
Innovation Solution
A door module with a device carrier that extends up to the door parapet line, featuring a pre-assembled flange with a shaft seal that integrates the sealing function, reducing the need for separate assembly steps and enhancing the sealing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the shaft seal is assembled separately on the door carcass by the OEM, then the sealing function is achieved, but the assembly process requires additional steps increasing production time and complexity
Solution Approach 1:
The shaft seal is integrated into the door module by being pre-assembled on the flange of the device carrier, merging the sealing function with the door module assembly. This eliminates the need for separate shaft seal installation steps at the OEM, reducing assembly complexity while maintaining reliable sealing between the door parapet shaft and window glass
Solution Approach 2:
The shaft seal is pre-assembled on the flange of the device carrier before the door module is installed in the vehicle door. This preliminary action ensures the sealing function is already in place, allowing the OEM to simply install the complete door module without additional sealing steps, thereby reducing production time and complexity
2Reliability
If the shaft seal is assembled separately on the door carcass, then the sealing is provided, but the production time increases due to additional assembling steps
Solution Approach 1:
The shaft seal is merged with the door module assembly through pre-assemblage on the device carrier flange. This integration allows the sealing function to be delivered as part of the standard door module installation process, eliminating redundant assembly steps and improving OEM productivity without compromising sealing reliability
Solution Approach 2:
The shaft seal is pre-installed on the device carrier flange during door module manufacturing. This preliminary action transfers the sealing assembly task from the OEM production line to the door module manufacturing process, thereby increasing overall productivity by reducing the number of assembly operations required at the vehicle assembly plant
Data Source
AI summary
A door module for a vehicle door includes an assembly carrier which extends up to a door parapet line in an assembled state. A flange which substantially projects vertically from the assembly carrier has a pre-mounted shaft seal for sealing a door parapet shaft against a windowpane. A vehicle door for a motor vehicle is also provided.