Vehicle Shift Assembly for Accurate Position Detection
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Solution Overview
Problem
Existing shift devices face challenges in achieving high detection accuracy of the movement position of a shift body due to misalignment and assembly complexities.
Innovation Solution
A shift device design where the shift body, moving portion, and detection mechanism are assembled to a common assembly body, allowing for precise relative positioning and detection, with separate shift body and moving portion configurations, and a biasing body to maintain accurate shift positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the shift body, moving portion, and detection mechanism are assembled to separate bases, then the assembly flexibility is improved, but the relative positioning accuracy deteriorates
Solution Approach 1:
The patent merges the shift body, moving portion, and detection mechanism onto a single common base structure. This integration ensures that all components share the same reference frame, eliminating cumulative positioning errors that would occur with separate bases. The common base provides unified positioning features that guarantee high relative positioning accuracy among all assembled components.
Solution Approach 2:
While integrating components onto a common base, the patent maintains functional segmentation by keeping the shift body, moving portion, and detection mechanism as separate assemblies that can be independently manufactured and then precisely positioned on the common base. This allows manufacturing flexibility while achieving positioning accuracy through the unified base structure.
2Device complexity
If the shift body and moving portion are integrated, then the structural complexity is reduced, but the adjustment capability deteriorates
Solution Approach 1:
The patent employs a dynamic connection between the shift body and moving portion through a link mechanism that allows relative movement and adjustment. This dynamic structure enables the components to maintain functional independence for movement adjustment while being structurally integrated through the common base, reducing overall complexity without sacrificing adaptability.
3Adaptability or versatility
If multiple components are assembled from different directions, then the assembly versatility is improved, but the assembly complexity deteriorates
Solution Approach 1:
The patent designs the common base with asymmetric positioning features and component layouts that are optimized for assembly from a single primary direction. This asymmetric design simplifies the assembly process by providing clear assembly sequences and reducing the need for complex multi-directional assembly operations, while still maintaining versatility through the functional design of the components.
Data Source
AI summary
A shift device includes an assembly body that is provided at a vehicle body side, a shift body that is assembled to the assembly body and that is moved to change a shift position, a moving portion that is assembled to the assembly body and that is moved when the shift body is moved, and a detection mechanism that is assembled to the assembly body and that detects a movement position of the shift body by detecting a relative position between the detection mechanism and the moving portion.