Motor Bracket Opening for Terminal Springiness
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Solution Overview
Problem
The challenge is to create a compact motor with a female terminal structure that maintains sufficient springiness to prevent plastic deformation, allowing for easy handling and connection to other members, while minimizing the motor's size and avoiding damage to the resin bracket.
Innovation Solution
The motor design includes a bracket with an outer peripheral surface featuring an opening portion, where a terminal is partially arranged inside, and a frame that houses an electronic component like a resistor between contact portions of the terminals, ensuring the terminal's springiness and preventing plastic deformation during handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the terminal is arranged in a narrow space to reduce motor size, then the motor size is reduced, but the springiness of the terminal is impaired
Solution Approach 1:
The terminal is arranged partially inside the opening portion of the bracket, utilizing the spatial dimension created by the opening to accommodate the terminal in a configuration that maintains springiness while reducing overall motor size. The terminal extends from inside the bracket through the opening portion, effectively using the bracket's opening as an additional spatial dimension for terminal arrangement.
2Volume of stationary object
If the bracket volume is reduced to increase terminal arrangement space, then the terminal arrangement space is increased, but the bracket is easily damaged
Solution Approach 1:
The bracket is designed with an opening portion that segments the bracket structure, creating a distinct region (the opening) that provides space for terminal arrangement without compromising the overall structural integrity of the bracket. This segmentation allows the bracket to maintain sufficient volume for strength while providing dedicated space for the terminal.
3Volume of moving object
If the terminal springiness is small, then the motor size can be reduced, but the terminal is easily plastically deformed
Solution Approach 1:
By arranging the terminal partially inside the opening portion, the terminal gains additional spatial freedom that allows it to maintain adequate springiness and deformation resistance even in a compact motor design. The opening portion provides the necessary dimensional space for the terminal to function reliably.
Data Source
AI summary
A motor is provided with a bracket, a terminal provided at the bracket, and a frame. The bracket is fixed to the frame. The terminal is electrically connectable to an outside. The bracket is provided with an outer peripheral surface including an opening portion. A part of the terminal is arranged inside the opening portion.