Power Seat Switch With Rotary-Sliding Knob and Single Motor
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Solution Overview
Problem
Existing power seat switch devices require multiple motors and complex wiring for various operations, increasing weight, cost, and assembly complexity, as they need separate output systems for each operation.
Innovation Solution
A switch device with a manipulation knob that can rotate and slide, interconnected with a rotary shaft, allowing a single motor to perform multiple operations through a unified output system by shifting between different driving shafts, using a clutch mechanism and interlocking switches to manage the connection between input and output terminals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple motors are installed for each operation, then operational functionality is achieved, but weight and cost increase
Solution Approach 1:
A single motor is designed to perform multiple operations (seat sliding, reclining, cushion adjustment) by mechanically shifting its output connection to different driving shafts through the manipulation knob's rotation and sliding movements, eliminating the need for separate motors for each function
Solution Approach 2:
Multiple driving functions are merged into a single motor system with a unified output mechanism that can be shifted to connect to different driving shafts, consolidating what would traditionally require multiple separate motor assemblies into one integrated unit
2Adaptability or versatility
If multiple motors are installed for each operation, then operational functionality is achieved, but cost increases
Solution Approach 1:
A single motor is designed to perform multiple operations (seat sliding, reclining, cushion adjustment) by mechanically shifting its output connection to different driving shafts through the manipulation knob's rotation and sliding movements, eliminating the need for separate motors for each function
Solution Approach 2:
Multiple driving functions are merged into a single motor system with a unified output mechanism that can be shifted to connect to different driving shafts, consolidating what would traditionally require multiple separate motor assemblies into one integrated unit
3Ease of operation
If separate output systems are provided for each operation, then operational control is achieved, but device complexity increases
Solution Approach 1:
Multiple output systems are merged into a single unified output mechanism that can be mechanically shifted to connect to different driving shafts, reducing the number of separate electrical systems and wiring harnesses while maintaining full operational control through the manipulation knob
4Ease of operation
If more wires are required between switch device and motors, then operational control is achieved, but assembly complexity increases
Solution Approach 1:
Multiple electrical connections are merged into a single switch device output that controls one motor, dramatically reducing the number of wires and connectors required between the control interface and the actuation system
Data Source
AI summary
A switch device includes a switch shifting a pair of input and output terminals in a housing and a manipulation knob for shifting the switch. The manipulation knob includes a rotating member rotatable to a plurality of rotating positions relative to the housing and a sliding member rotating with the rotating member and slidable along both positive and negative directions at each of the plurality of rotating positions, so that the manipulation knob is interconnected with a rotary shaft member which rotates with the rotating member. The switch gives an output corresponding to each direction according to the sliding of the sliding member in both the positive and negative directions even though the manipulation knob is at any one of the plurality of rotating positions. The rotary shaft member has a shifting unit for driving an external shifting mechanism accompanied by the rotating.