Vehicle Lamp Housing Alignment for Fascia-Free Bulb Service
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing vehicle lamp assemblies are not efficiently serviceable, making it difficult to replace light bulbs without disassembling the entire fascia assembly.
Innovation Solution
A vehicle lamp assembly with a T-shaped connector and slot mechanism that allows the housing to align with the fascia assembly, enabling easy servicing by allowing the housing to be fastened onto the vehicle using fasteners, while utilizing alignment pins and grommets for precise alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the lamp assembly is securely fastened to the vehicle using multiple fasteners, then the reliability of the connection is improved, but the ease of serviceability deteriorates because the entire fascia assembly must be removed to access light bulbs
Solution Approach 1:
The connection system is segmented into two independent mechanisms: fasteners for secure mounting and a T-shaped connector/slot for alignment and serviceability. This allows the lamp housing to be independently removed from the fascia assembly without removing the entire fascia, resolving the contradiction between secure connection and ease of service.
2Stability of the object's composition
If the lamp housing is tightly integrated with the fascia assembly, then the structural stability is improved, but the ease of operation deteriorates as servicing requires complete disassembly
Solution Approach 1:
The T-shaped connector acts as an intermediary element between the lamp housing and fascia assembly. It provides a dedicated interface that maintains structural integration during normal operation while enabling independent removal of the housing for servicing, thus resolving the contradiction between stability and ease of operation.
3Manufacturing precision
If alignment features are added to ensure precise positioning, then the manufacturing precision is improved, but the device complexity increases
Solution Approach 1:
Alignment precision is achieved through localized features (alignment pins and grommets) at specific critical points rather than through complex overall design. The T-shaped connector provides precise alignment in the critical lateral direction while keeping the overall structure simple and easy to manufacture.
Data Source
AI summary
A vehicle lamp assembly generally includes a housing having a light transmissive lens and one or more light bulb receptacles. One or more light bulbs are located in the one or more light bulb receptacles. A fascia assembly is configured to be assembled onto a vehicle. A T-shaped connector is provided on one of the housing and the fascia assembly, and a T-shaped slot is provided on the other of the housing and the fascia assembly. The T-shaped connector is configured to engage the T-shaped slot to allow the housing to align with the fascia assembly to allow servicing the lamp assembly. One or more fasteners are configured to fasten the housing onto the vehicle without removing the fascia assembly.