Curling Outlet Assembly With Coanda Airflow Distribution
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Solution Overview
Problem
Existing hair curling devices have complex airflow structures that lead to high design and production costs due to their intricate designs.
Innovation Solution
A hair curling device with a tubular sleeve and integrated separating element featuring connect frames, guide frames, and blocking fins that evenly distribute airflow through an outlet slit, utilizing the Coanda effect for automatic hair wrapping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complicated airflow limiting structure and many parts are used in the hair curling device, then the airflow control function is improved, but the design cost and device complexity increase
Solution Approach 1:
The patent combines multiple airflow control functions (airflow limiting, hair guiding, and styling) into a single integrated brush head assembly. The brush head includes bristles that serve multiple purposes: limiting airflow, guiding hair, and providing styling function. This integration reduces the number of separate components while maintaining effective airflow control.
Solution Approach 2:
The brush head is designed as a multi-functional component that simultaneously performs airflow limitation, hair guidance, and styling operations. The bristles are configured to create airflow paths while also serving as the styling element that directly contacts and styles the hair, eliminating the need for separate airflow limiting structures.
2Ease of manufacture
If an integrated forming member is used as the separating element, then the manufacturing cost is reduced, but the airflow distribution uniformity may be affected
Solution Approach 1:
The integrated forming member is designed with segmented or structured features including multiple bristle groups and specific geometric configurations that create controlled airflow paths. The brush head incorporates structured elements like toothed edges or segmented bristle arrangements that ensure uniform airflow distribution while maintaining an integrated construction for cost-effective manufacturing.
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 solution reduces production costs and ensures uniform airflow for natural hair wrapping without excessive pulling, enhancing styling efficiency and reducing turbulence.
Implementation Method 1
portion of peripheral wall of the separating element and inner wall of the sleeve collectively define an outlet slit, the outlet slit is communicated to the outlet
Implementation Method 2
utilizing the Coanda effect for automatic hair wrapping
Data Source
AI summary
An outlet assembly comprising: an outlet head provided with an air channel, the outlet head has an air inlet and an air outlet at both ends of the air channel; a first adjusting element arranged in the air channel and rotatably connected to the outlet head, the first adjusting element has a first side and a second side opposite to the first side, the second side is located at the air outlet; a second adjusting element arranged in the air channel and rotatably connected to the outlet head, the first and the second adjusting element are arranged opposite and in parallel, the second adjusting element has a third side and a fourth side opposite to the fourth side, the fourth side is located at the air outlet; an operating element movably connected to the outlet head, the operating element is connected to the first and the second adjusting element respectively.