Air Blower Cleaning Device with Elastic Support to Prevent Bag Curling
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Solution Overview
Problem
Existing cleaning devices with flexible connecting bags are prone to airflow blockage when users hold an air blower and the device simultaneously, disrupting air flow.
Innovation Solution
A cleaning device featuring an elastic supporting portion connected to a flexible connecting bag with a conical design, a locking mechanism with an adjustable ring band, and an extendable pipe system, allowing for adaptable use with various air blowers and environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a flexible connecting bag is used, then the device can be combined with various air blowers for versatile use, but the connecting bag will be blocked when the user holds both the air blower and the device, affecting air flow passage
Solution Approach 1:
The connecting bag is divided into multiple sections with expansion chambers that can independently expand and contract. This segmentation allows the bag to maintain structural integrity and air flow channels even when compressed during dual-handed operation, preventing complete blockage while preserving flexibility for connecting to various air blowers.
Solution Approach 2:
The connecting bag incorporates dynamic expansion chambers that can change volume in response to compression forces. When the user holds both the air blower and device, the bag dynamically adjusts its shape and volume to maintain open air flow passages, rather than remaining rigid or completely collapsing.
2Ease of operation
If the connecting bag is made flexible for easy connection, then the device can adapt to different blower types, but the flexible bag may curl and block the air flow
Solution Approach 1:
The connecting bag features a conical shape with smooth curved surfaces that naturally guide air flow from the wider opening to the narrower opening. This curved geometry prevents the flexible material from curling inward and blocking the air passage, while maintaining flexibility for easy connection to different blower types.
Solution Approach 2:
The connecting bag uses a flexible shell structure with integrated support ribs or stiffening elements that prevent excessive curling. These thin film structures maintain enough rigidity to keep air flow passages open while remaining flexible enough for convenient connection and adaptation to various blower types.
3Ease of manufacture
If the connecting bag structure is simplified for ease of manufacture, then production cost decreases, but the bag may collapse and block air flow under compression
Solution Approach 1:
The connecting bag is constructed with segmented expansion chambers that can be manufactured using simple molding processes. Each segment contains air flow channels that remain open even when compressed, preventing complete collapse while maintaining manufacturing simplicity through standardized modular sections.
Solution Approach 2:
The connecting bag utilizes changes in material properties or structural parameters at different locations - such as varying wall thickness or incorporating localized stiffening - to prevent collapse in critical areas while maintaining overall flexibility and ease of manufacture in other sections.
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
Ensures unobstructed airflow and versatility in cleaning applications by preventing bag curling and accommodating different blower types and scenarios through adjustable and detachable components.
Implementation Method 1
the supporting portion is an elastic supporting portion, and the connecting bag is a flexible connecting bag
Data Source
AI summary
The present disclosure provides a cleaning device, including a connecting bag, a supporting portion, a middle portion, and an extending portion. By the connecting bag, the product can be combined for use with various different kinds of air blowers. The supporting portion is arranged inside the connecting bag to avoid the connecting bag from being curled to affect smooth passing of an air flow. In addition, by extension of the extending portion, the cleaning device can adapt to different working environments, so as to well clean an eave.