Vehicle Door Handle Assembly with Adjustable Fastening
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Solution Overview
Problem
Existing door handle systems for vehicles require complex assembly processes, making them difficult and time-consuming to mount securely on movable parts like doors or hatchback doors.
Innovation Solution
A door handle system with a carrier on the inner side and a handle on the outer side, featuring a fastening element with release and fixing positions, and an adjustment element to facilitate easy and secure attachment, using connection means and guiding mechanisms for precise alignment and attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex composition and multiple mounting steps are used to assemble the door handle at the carrier, then the door handle can be securely fixed, but the assembly process becomes time-consuming and difficult
Solution Approach 1:
The door handle system is divided into separate components: the door handle itself, the carrier, connection means (such as pins or clips), and a fastening element. This segmentation allows each component to be independently manufactured and assembled through simplified steps, reducing overall assembly time while maintaining secure fixation through the coordinated interaction of these modular elements.
Solution Approach 2:
The connection means are pre-configured on the door handle before assembly, and the carrier is prepared with corresponding receptacles. This preliminary preparation of components enables a quicker assembly process where the door handle can be rapidly attached to the carrier without requiring complex on-site composition or multiple mounting steps.
2Reliability
If a complex composition and multiple mounting steps are used to assemble the door handle at the carrier, then the door handle can be securely fixed, but the assembly process becomes difficult
Solution Approach 1:
By dividing the door handle system into discrete, pre-fabricated components (door handle, carrier, connection means, fastening element), the assembly process becomes simpler and more straightforward. Each component is designed to fit together in a predetermined manner, reducing the skill level and time required for assembly while ensuring reliable fixation through the engineered interface between components.
Solution Approach 2:
The fastening element is designed to automatically secure the door handle to the carrier through its own structural features, such as self-latching mechanisms or snap-fit designs. This self-service fastening capability eliminates the need for complex manual assembly steps or specialized tools, making the assembly process easier while maintaining secure fixation.
3Ease of operation
If a fastening element with release and fixing positions is used, then the door handle can be easily adjusted and mounted, but the device complexity increases
Solution Approach 1:
The fastening element incorporates movable components that can transition between different positions (release and fixing) to provide adjustability. This dynamic design allows the door handle to be easily adjusted during assembly or operation while the overall mechanism remains relatively simple through the use of straightforward mechanical movements rather than complex control systems.
Solution Approach 2:
The fastening element provides more adjustment capability than strictly necessary for basic fixation, allowing for partial adjustments or positioning variations. This excessive action in terms of adjustability simplifies the assembly process and ensures proper alignment, while the underlying mechanism remains simple through the use of basic mechanical elements rather than complex systems.
Data Source
AI summary
A door handle system for actuation of a moveable part of a vehicle particularly a door or a hatchback door or suchlike, comprises: a carrier which can be assembled at the inner side of the movable part; a door handle which can be assembled at the outer side of the moveable part by the carrier, wherein the door handle comprises two ends over its longitudinal extension at which connection means are intended respectively for the assembly at the carrier; a fastening element which serves for the assembly of the door handle by at least a connection means at the carrier, wherein the fastening element comprises at least one release position and a fixing position; and an adjustment element which serves for an adjustment of the fastening element between the release position and the fixing position.