Handheld Accessory Airflow Continuity in Folded Warm-Air Combs
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Solution Overview
Problem
Existing warm-air combs with foldable handheld accessories suffer from fluid obstruction and wind loss when the accessory is folded, leading to reduced air volume and impaired hair care performance.
Innovation Solution
A handheld accessory with a hollow folding portion containing a motor fan assembly, a first air inlet, and a first air outlet, which form a fluid channel that remains continuous even when the accessory is folded, preventing fluid obstruction and wind loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the handheld accessory is made foldable to improve ergonomics and adjustability, then the ease of operation is improved, but fluid obstruction and wind loss occur when folded, worsening the air volume performance
Solution Approach 1:
The handheld accessory is divided into a first portion and a second portion that can rotate relative to each other. The air inlet is specifically positioned in the first portion, separating the air intake function from the folding joint, so that airflow is not blocked when the portions are folded relative to each other.
Solution Approach 2:
The air inlet is arranged in a specific spatial dimension (in the first portion) that maintains airflow path independence from the folding motion. This dimensional separation ensures that the folding operation in one dimension does not interfere with the airflow in another dimension.
2Device complexity
If the air inlet is positioned at the lower end of the handheld accessory to simplify the structure, then the device complexity is reduced, but fluid obstruction occurs when folded, worsening the air flow performance
Solution Approach 1:
The handheld accessory is segmented into a first portion containing the air inlet and a second portion containing the folding joint. This segmentation ensures that the air inlet is positioned away from the folding joint, preventing fluid obstruction while maintaining structural simplicity.
3Adaptability or versatility
If the folding portion is made hollow to accommodate the motor fan assembly, then the device integration is improved, but the manufacturing complexity increases, worsening the ease of manufacture
Solution Approach 1:
The motor fan assembly is merged with the folding portion by placing it inside the hollow interior of the folding portion. This integration allows the folding portion to serve dual functions as both a structural component and a housing for the motor fan assembly, improving adaptability while managing manufacturing 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 solution ensures consistent air volume and improved hair care performance by maintaining airflow continuity through the accessory, even in its folded state, thereby addressing the issues of fluid obstruction and wind loss.
Implementation Method 1
the first air inlet, the inside of the folding portion, and the first air outlet form a fluid channel that is from the first air inlet to the first air outlet in sequence and is arranged in the motor fan assembly in a penetrating manner
Data Source
AI summary
The present disclosure discloses a handheld accessory with good air inlet performance and a warm-air comb applying same, and relates to the technical field of hair-care devices. The handheld accessory with good air inlet performance includes a handheld accessory body; the handheld accessory body includes a grip portion and a folding portion rotatably connected to one end of the grip portion; the folding portion is of a hollow structure, and a motor fan assembly is arranged in the folding portion; a first air outlet is provided in one end of the folding portion away from the grip portion; a first air inlet is provided in one end of the folding portion that is connected to the grip portion.