Segmented Exterior Mirror Housing With Snap-Fit Locking Connections
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Solution Overview
Problem
Current exterior rear view mirror assembly methods for motor vehicles are time-consuming and costly due to complex connection methods between individual components.
Innovation Solution
The exterior rear view mirror housing is designed in at least two parts with locking connections between the housing parts and the base bracket, allowing for a simple and cost-effective assembly through snap-in or clip connections, which facilitate secure and aligned assembly without requiring intricate connection methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex connection methods are used between housing parts and base bracket, then connection strength and reliability are improved, but assembly time and manufacturing cost increase
Solution Approach 1:
The housing is divided into multiple parts (first housing part and second housing part) that can be assembled separately and then connected to the base bracket. This segmentation allows for simplified individual components that are easier to manufacture and assemble, while the locking connections ensure reliable assembly when components are joined together.
Solution Approach 2:
Traditional complex mechanical connection methods (such as multiple screws, bolts, or intricate fastening mechanisms) are replaced with locking connections that provide sufficient connection strength through simplified mechanical interlocking. This substitution reduces assembly complexity and time while maintaining the necessary connection reliability.
2Reliability
If complex connection methods are used between housing parts and base bracket, then connection strength and reliability are improved, but manufacturing cost increases
Solution Approach 1:
Dividing the housing into separate manufacturable parts allows each component to be produced using optimal manufacturing processes for that specific part, reducing overall manufacturing complexity and cost. The locking connections are designed to be simple features that can be integrated into standard manufacturing workflows.
Solution Approach 2:
Replacing complex mechanical connection systems with simpler locking connections reduces the number of manufacturing steps, fewer specialized fasteners are needed, and assembly operations are simplified, all of which contribute to reduced manufacturing costs while maintaining connection strength.
3Stability of the object's composition
If housing is formed in one piece, then structural integrity is improved, but assembly complexity and cost increase
Solution Approach 1:
The housing is segmented into multiple parts that can be manufactured separately with optimized processes for each component. The locking connections provide structural integrity by creating rigid joints between parts, effectively replacing the monolithic structure while allowing for modular assembly and easier manufacturing.
Data Source
AI summary
An exterior rear view mirror, for a motor vehicle, with an exterior rear view mirror housing formed in at least two parts, which comprises an opening for a mirror glass, and houses at least one base bracket, on which the mirror glass is adjustably arranged. The exterior rear view mirror housing consists at least of a first housing part and a second housing part, which are connected to both each other as well as to the base bracket, in each case. Locking connections are provided at least between the first housing part and the second housing part, as well as between the housing parts and the base bracket, in each case.