Vehicle Headlamp Assembly Segmented Connecting Portion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current headlamp assembly designs in vehicles fail to effectively minimize damage and repair costs during low-speed collisions, as they often result in deformation of the fender and damage to the headlamp housing, which increases insurance costs and repair expenses.
Innovation Solution
A headlamp assembly with integrally formed connecting portions and predetermined breaking points allows for separation from adjoining body parts, reducing the load on high-value components and enabling non-destructive detachment, thereby minimizing repair costs and production expenses. The connecting portions are designed to yield under threshold forces during collisions, allowing for replacement of damaged parts without replacing the entire headlamp housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the headlamp housing is rigidly connected to the vehicle body, then the headlamp remains stable during normal operation, but the fender and door suffer damage during low-speed collisions
Solution Approach 1:
The connecting portion is divided into two segments: a first portion integrally formed with the headlamp housing and a second portion integrally formed with the vehicle body. A predetermined breaking point is introduced between these segments, allowing the connection to separate into two distinct parts during collision, protecting the fender and door while maintaining stability during normal operation
Solution Approach 2:
A predetermined breaking point is pre-introduced into the connecting portion during manufacturing. This breaking point is strategically positioned to yield at a specific force threshold during collision, enabling the connection to separate before the fender or door can be damaged, thus preventing harmful effects before they occur
2Object-affected harmful factors
If the headlamp housing is made detachable to protect the vehicle body, then damage to the fender is reduced, but the headlamp housing itself becomes vulnerable to damage
Solution Approach 1:
The connecting portion has non-uniform structural properties: the first portion is integrally formed with the headlamp housing with optimized geometry for strength, while the second portion is integrally formed with the vehicle body. The predetermined breaking point is located at a specific location where the structure is designed to yield, creating different local qualities that protect the headlamp housing while allowing controlled separation
3Manufacturing precision
If the connecting portion is integrally formed with the headlamp housing, then manufacturing precision is improved, but repair costs increase after collision damage
Solution Approach 1:
The connecting portion is segmented into a first portion (integrally formed with headlamp housing) and a second portion (integrally formed with vehicle body), with a predetermined breaking point between them. This segmentation allows the first portion to remain attached to the headlamp housing with high manufacturing precision, while the second portion can be replaced independently after collision, reducing repair costs
Solution Approach 2:
The second portion of the connecting portion is designed to be discarded (separated at the predetermined breaking point) during collision to protect the vehicle body. The first portion remains with the headlamp housing and can be recovered/reused, while only the second portion needs replacement, reducing overall repair costs compared to replacing the entire integrally formed connecting portion
Data Source
AI summary
The invention relates to a component group for a vehicle body, having a headlamp housing, which has at least one connecting portion integrally formed in one piece for connection to an adjoining body part, and a predetermined breaking point for separation of the connecting portion from a neighboring portion. To minimize both the repair costs in the event of a collision at low speed in the region of the headlamp and also the costs for production and assembly, it is provided according to the invention that the neighboring portion has connecting structures for connection to a joining part with which the connecting portion is replaceable after its separation.