Dovetail Guide for Motor Vehicle Sensor Cover

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Solution Overview

Problem

Existing motor vehicle exterior components with receiving openings for electronic sensors face challenges in adjusting camera systems due to positional tolerances, requiring larger openings that compromise aesthetics and drag coefficient, and are inaccessible after installation.

Innovation Solution

A component with a receiving opening that can be closed by a cover or carrier, both of which fit into a dovetail guide, allowing for flush closure and easy integration of functional elements with trapezoidal shapes and hooks for secure alignment, accommodating various sensors and light sources.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If larger mounting openings are provided in the radiator grille to compensate for positional tolerances, then the camera system can be adjusted after installation, but the openings disturb the optics, compromise aesthetics, and increase drag coefficient

Engineering Contradiction:
Improveadjustability of camera systemVSAvoiddrag coefficient and aesthetic appearance
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The component is divided into a fixed housing and a movable carrier that can be independently adjusted. The carrier holds the camera and can be positioned within the receiving opening without requiring the entire opening to be large, thus maintaining aesthetic appearance while enabling adjustment.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Instead of providing a large opening in the radiator grille, the invention uses a dovetail guide mechanism that enables adjustment in a different dimensional space - the carrier can move along the dovetail guide within the confines of a smaller, aesthetically pleasing opening.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Object-affected harmful factors

If the receiving opening is closed with a cover, then the aesthetic appearance is improved and drag coefficient is reduced, but the opening cannot accommodate functional sensor components

Engineering Contradiction:
Improvedrag coefficient and aesthetic appearanceVSAvoidfunctional capability of the opening
Core Design Contradiction:
Object-affected harmful factorsVSAdaptability or versatility

Solution Approach 1:

The component is designed with multi-functionality: it can serve as an aesthetic closure when fitted with a cover, or as a functional mounting structure when the carrier with sensor is installed. The dovetail guide mechanism enables both configurations to be securely fitted within the same receiving opening.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The carrier with sensor nests within the housing and can be removed to allow installation of a cover. The dovetail guide enables the carrier to be inserted and secured within the confines of the housing, creating a nested structure that provides both aesthetic closure and functional capability.

Inventive Principle:
Principle #7Nested doll (Nesting)

Data Source

PatentEP3045354B1Variable component cover
Publication Date: 2017.10.11 MAGNA EXTERIORS GMBH
  • EP3045354B1 patent drawingFigure 1~2
  • EP3045354B1 patent drawingFigure 3~4
  • EP3045354B1 patent drawingFigure 5~7

AI summary

A component (1) for the exterior of a motor vehicle is proposed, which has at least one receiving opening (4) for receiving an electrical component (17) for the exterior, wherein the component (1) can be closed with both a non-functional cover (2) and a carrier (3) for the electrical component (1), and both the cover (2) and the carrier (3) can be inserted into a dovetail guide (5) of the component (1).