Rotatable DC Motor Connection Module for Adapter-Free Mounting
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Solution Overview
Problem
Existing DC motors face challenges with fixed designs that require adaptation for different hole patterns, leading to increased installation effort, length, and cost due to the need for adapter plates, and issues with angular position variability of electrical connections, especially in compact installations.
Innovation Solution
A connection module that can be freely rotated and securely attached to the motor housing in any position, eliminating the need for adapter plates and ensuring precise alignment of electrical connections, thereby reducing overall length and installation complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a standardized motor housing design is used, then manufacturing cost and assembly simplicity are improved, but adaptability to different customer drilling patterns deteriorates
Solution Approach 1:
The motor housing is divided into two separate functional components: a standardized motor housing body and a customizable mounting flange. The mounting flange can be detached and replaced with different patterns to suit customer requirements, while the main housing remains unchanged for cost-effective manufacturing.
Solution Approach 2:
The mounting flange serves as a universal interface that can be adapted to different mounting requirements. By providing a standardized connection interface between the housing and flange, the same basic motor housing can support multiple drilling patterns through flange replacement.
2Adaptability or versatility
If an adapter plate is attached to modify the drilling pattern, then adaptability to customer specifications is improved, but device complexity and overall length increase
Solution Approach 1:
The mounting flange is integrated as an inherent part of the motor housing assembly, connected through a standardized interface. This merging eliminates the need for separate adapter plates while maintaining adaptability, as the flange itself is designed to accommodate different drilling patterns.
3Adaptability or versatility
If an adapter plate is used to change the drilling pattern, then customer specifications are met, but assembly effort and installation time increase
Solution Approach 1:
Different mounting flanges with various drilling patterns are pre-manufactured and can be directly attached to the motor housing without requiring on-site modification or complex assembly procedures. The standardized connection interface enables quick attachment and detachment.
4Strength
If the motor housing is machined from a solid block, then structural strength is improved, but manufacturing cost and production time increase
Solution Approach 1:
The motor housing is constructed by assembling multiple components (housing body, mounting flange, and internal parts) rather than machining a single solid block. This segmentation reduces manufacturing cost and production time while maintaining structural integrity through proper connection design.
Data Source
Figure 1~2
Figure 3
AI summary
The motor (1) has a connection module (2) adapted to be installed on a motor housing (3), where the housing comprises a front-sided centering elevation or centering recess which cooperates with another centering recess or centering elevation on the connection module. The connection module is freely rotatable in a mounting state on the housing and is non-rotatably connected to the housing in the mounted state. A bearing (7) for a motor shaft (8) is arranged on a front side (11) of the housing, and forms the centering elevation, where the connection module is attached to the bearing.