Radial Fan Motor Mount Cable Routing Hook Groove
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Solution Overview
Problem
Existing motor mounting systems for radial fans in extractor hoods fail to securely fix cables without kinks or loads and require additional fastening means, complicating assembly and manufacturing.
Innovation Solution
A motor mount with a single support arm featuring a hook and groove design that securely fixes cables, allowing them to be routed without kinks and eliminating the need for additional fastening means, while being easy to manufacture and assemble.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a clamp is used to hold the cable on the support arm, then the cable can be secured, but additional fastening means are required which complicates assembly and manufacturing
Solution Approach 1:
The cable fixation function is merged into the support arm itself by integrating a hook and groove directly into the support arm structure. This eliminates the need for separate clamps or fastening means, reducing assembly complexity while maintaining reliable cable fixation. The support arm now performs both its structural function and cable securing function through integrated features.
2Reliability
If a clamp is used to hold the cable, then the cable can be secured, but the cable routing becomes more complex with additional components
Solution Approach 1:
The cable fixation features (hook and groove) are merged into the support arm as integrated elements. The groove is formed as part of the support arm's cross-section, and the hook is integrated into the support arm structure. This eliminates the need for separate manufactured components like clamps, simplifying the manufacturing process while ensuring reliable cable fixation.
3Reliability
If the cable is routed without severe kinks, then the cable durability is improved, but the routing structure becomes more complex
Solution Approach 1:
The groove in the support arm is designed with a curved cross-section that guides the cable along a smooth arc. This curved geometry naturally routes the cable without sharp kinks or severe bends, protecting the cable from damage while maintaining a simple routing structure. The hook at the end of the groove provides a natural termination point that completes the smooth cable path.
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
A motor suspension (13) for a blower motor (3) of a radial blower (2) of a cooker hood (1), with at least one first support arm (14) which has a hook (35) and a groove (27) for fixing a cable (41) for the blower motor (3).