Vacuum Cleaner Bag Holding Plate With Airflow Deflection
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Solution Overview
Problem
Conventional vacuum cleaner filter bags require specific holding plates for different types of vacuum cleaners, leading to increased manufacturing complexity and limited service life due to uneven dust distribution.
Innovation Solution
A holding plate with a base plate, fastening device, and deflection device that deflects air flow, ensuring even distribution of filter cake and extending the service life of the filter bag by allowing it to be used with various vacuum cleaners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If different holding plates are provided for different vacuum cleaner types, then the filter bag can be securely held in each vacuum cleaner, but the manufacturing complexity and inventory requirements increase
Solution Approach 1:
The holding plate is designed with a universal base plate that can be attached to different holding devices through a standardized mounting mechanism. The deflection device is detachably connected to the base plate, allowing it to be adapted to various vacuum cleaner types while maintaining a single base design. This enables one holding plate design to serve multiple vacuum cleaner models.
Solution Approach 2:
The holding plate is divided into separate functional components: a universal base plate for mounting and a detachable deflection device for air flow control. This segmentation allows the base plate to remain standardized while the deflection device can be adjusted or replaced for different vacuum cleaner types, reducing the need for completely different holding plate designs.
2Device complexity
If air flow enters the filter bag directly through the holding plate, then the structure is simple, but the dust particles are unevenly distributed causing premature filter clogging
Solution Approach 1:
The deflection device serves as an intermediary element between the air flow inlet and the filter bag interior. It redirects the incoming air flow to distribute particles more evenly across the filter surface, preventing localized clogging while adding only minimal structural complexity to the holding plate assembly.
Solution Approach 2:
The deflection device is positioned to preliminarily redirect air flow before it enters the filter bag. By pre-distributing the particle-laden air stream, the system prevents uneven dust accumulation from occurring in the first place, extending filter bag service life without requiring complex post-installation adjustments.
3Duration of action of stationary object
If the deflection device is permanently integrated into the holding plate, then the particle distribution is optimized, but the adapter cannot be used with different filter bag types
Solution Approach 1:
The deflection device is designed with detachable connections to the base plate, allowing it to be dynamically adjusted or removed based on the specific filter bag type being used. This dynamic configuration maintains optimal particle distribution when needed while enabling versatility across different filter bag designs.
Solution Approach 2:
The deflection device provides localized particle redistribution only in the region where it is installed. By making it detachable rather than permanently integrated, the system allows selective application of this local quality improvement without compromising the overall adaptability of the holding plate to different filter bag types.
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 deflection device in the holding plate enhances filtration properties and increases the service life of the vacuum cleaner filter bag by evenly distributing particles and reducing stress on the bag walls, allowing for a universal filter bag to be used across different vacuum cleaners.
Implementation Method 1
a deflection device which at least partially surrounds the through-opening, which is connected to the base plate and is designed in such a way that, after the holding plate has been connected to a vacuum cleaner filter bag, it is at least partially arranged in the interior of the bag and an air flow entering the deflector device through the through-opening is in the The deflection device can be deflected
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The plate (1) has a base plate (2) in which a passage opening (7) for an air flow is formed. An attachment unit (4) is connected with the base plate and detachably connects the plate with a vacuum cleaner filter bag (5) in a non-destructive manner. A deflecting unit (3) partially surrounds the opening, and is connected with the base plate. The deflecting unit is formed such it is arranged partially inside the bag after connecting the plate (1) with the bag and the air flow entering into the deflecting unit via the opening is thus deflectable. An independent claim is also included for a vacuum cleaner filter bag for connecting with a holding plate and comprising a counter attachment device.