Shift Locking Mechanism for Flexible Position Changes
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Solution Overview
Problem
Existing shift devices require complex configurations to match positional relationships between shift positions, limiting the degrees of freedom in the design and increasing the complexity of control mechanisms.
Innovation Solution
The shift device employs separate locking mechanisms for different shift positions, allowing independent actuation and configuration, which simplifies control and enables movement between positions without matching the shift body's configuration to specific positional relationships.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate locking mechanisms are used for different shift positions, then the degrees of freedom for configuration of the shift body are increased, but the device complexity increases due to multiple locking mechanisms
Solution Approach 1:
The control unit serves multiple functions by integrating both the first locking mechanism and the second locking mechanism within a single control unit. This allows the control unit to manage both the park position (first shift position) and neutral position (second shift position) locking operations, reducing the need for separate control units for each locking mechanism and thereby simplifying the overall device complexity while maintaining configuration flexibility
2Reliability
If lock members are disposed at locking positions to lock movement of the shift body, then the reliability of shift position locking is improved, but the ease of operation deteriorates when movement between positions is needed
Solution Approach 1:
The control unit automatically determines and executes the actuation of locking mechanisms based on the detected shift position of the shift body. When the shift body moves to a predetermined position, the control unit self-activates the appropriate locking mechanism without requiring manual intervention from the operator. This ensures reliable automatic locking while maintaining ease of operation, as the system handles the locking/unlocking process autonomously
Data Source
AI summary
There is provided a shift device including: a shift body configured to be moved to change a shift position; a first locking mechanism provided with a first lock member, the first lock member being disposed at a first locking position to lock movement of the shift body from a first shift position; and a second locking mechanism provided with a second lock member, the second lock member being disposed at a second locking position to lock movement of the shift body from a second shift position.