Arc-Shaped Vortex Impeller for Compact Underwater Vacuum Drainage
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Solution Overview
Problem
Current underwater vacuum cleaner impellers with annularly arranged fan blades have small drainage spaces, limiting radial flow and overall water throwing amount, necessitating larger designs that increase cost and space requirements.
Innovation Solution
An underwater vacuum cleaner impeller featuring an arc-shaped vortex blade mounted on a rotary head, driven by a drive motor, which enhances water drainage through a single-cavity design with a guide nozzle, offering stronger water throwing capability and reduced size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional multi-blade impeller with annular drainage spaces is used, then water is directionally transferred through multiple drainage spaces, but the single drainage space is very small, radial flow is relatively small, and overall water throwing amount is limited
Solution Approach 1:
The impeller is divided into multiple independent blade structures (first blade, second blade, third blade, fourth blade) arranged around the central axis. Each blade creates its own drainage space, effectively segmenting the water flow path into multiple parallel channels. This segmentation increases the total drainage capacity without requiring each individual drainage space to be large, thereby increasing water throwing amount while maintaining compact impeller dimensions.
Solution Approach 2:
The patent introduces a vertical dimension to the traditional horizontal blade arrangement by positioning blades at different heights (first and second blades at one height level, third and fourth blades at another height level). This three-dimensional arrangement of blades creates multiple drainage spaces that operate in parallel, significantly increasing the total radial flow capacity without increasing the impeller's radial footprint, thus resolving the contradiction between water throwing amount and device size.
2Power
If impeller size is increased to enhance pumping and drainage power, then water throwing amount increases, but cost and space requirements are correspondingly increased
Solution Approach 1:
The impeller employs multiple blades (four blades in the embodiment) arranged around the central axis, with each blade contributing to the pumping action. This segmentation allows the impeller to generate high pumping power through cumulative effect of multiple blades working in parallel, rather than requiring a single large blade structure, thus achieving high power output with compact impeller volume.
Solution Approach 2:
By arranging blades at different vertical levels (first and second blades at one height, third and fourth blades at another height), the patent utilizes the vertical dimension to pack more functional elements into the impeller. This three-dimensional configuration increases the effective pumping area and power capacity without proportionally increasing the impeller's overall volume, effectively resolving the contradiction between power output and volume.
3Productivity
If single drainage space design is used, then impeller structure is simple, but radial flow is limited and water throwing amount is constrained
Solution Approach 1:
The impeller is segmented into multiple blades (first blade, second blade, third blade, fourth blade) that create multiple independent drainage spaces. Each drainage space handles a portion of the radial flow, and the combined capacity of all drainage spaces significantly exceeds that of a single drainage space. This segmentation approach increases radial flow capacity while maintaining relatively simple individual blade structures, effectively resolving the contradiction between productivity and device complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The improved impeller achieves increased water drainage with a smaller volume and lower cost compared to traditional multi-blade designs, facilitating efficient circulation and filtration while maintaining compact dimensions.
Implementation Method 1
an arc-shaped vortex blade disposed on a back surface of the rotary head, and configured to rotate with the rotary head to directionally push water
Data Source
AI summary
The present invention discloses an underwater vacuum cleaner impeller, and relates to the field of underwater vacuum cleaners. The underwater vacuum cleaner impeller includes a vacuum cleaner body, and an improved impeller mounted inside the vacuum cleaner body. The improved impeller includes a mounting base mounted inside the vacuum cleaner body, and a rotary head is rotatably disposed inside the mounting base. An arc-shaped vortex blade is mounted on a back surface of the rotary head, and a guide nozzle is mounted on an end of the arc-shaped vortex blade. In the underwater vacuum cleaner impeller, by starting a drive motor, the rotary head drives the arc-shaped vortex blade to rotate, and a water drainage amount of the single-cavity arc-shaped vortex blade is larger.