Vacuum Cleaner Disposal Bag Punching Device for Pressure Equalization
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Solution Overview
Problem
Conventional construction vacuum cleaners face issues with disposal bags being sucked into the turbine due to negative pressure, leading to bag movement and increased costs with specialized bags to prevent this, which can delay replacements and affect vacuum cleaner functionality.
Innovation Solution
A punching device with a stamp and die structure is used to introduce openings in standard disposal bags, equalizing pressure between the bag and the collecting container, preventing the bag from being sucked in by the turbine, allowing for the use of cost-effective standard bags.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If standard disposal bags are used without pre-made openings, then cost is reduced, but the bag is sucked into the turbine due to negative pressure
Solution Approach 1:
The punching device creates openings in the disposal bag before the vacuum cleaner operates. This preliminary action equalizes pressure between the inside and outside of the bag, preventing the bag from being sucked into the turbine during operation, thus maintaining reliability while using standard bags
Solution Approach 2:
The punching device acts as an intermediary mechanism between the disposal bag and the vacuum cleaner operation. It prepares the bag by creating openings that allow pressure equalization, serving as a mediator that enables standard bags to function reliably without modifications to the bags themselves
2Reliability
If specialized disposal bags with pre-made openings are used, then bag stability is improved, but cost increases
Solution Approach 1:
The invention enables the use of inexpensive standard disposal bags by adding a simple punching mechanism to the vacuum cleaner. The punching device creates the necessary openings in ordinary bags, eliminating the need for expensive pre-made specialized bags while maintaining operational reliability
Solution Approach 2:
The invention changes the physical state of the disposal bag by creating openings through the punching process. This parameter change (from sealed to perforated) enables pressure equalization and prevents bag suction, allowing standard bags to perform as reliably as specialized ones
3Reliability
If openings are created in the disposal bag, then pressure equalization is achieved, but the bag structure is modified
Solution Approach 1:
The punching device creates localized openings at specific positions on the disposal bag rather than modifying the entire bag structure. This local modification achieves pressure equalization while preserving the overall integrity and sealing properties of the bag in other areas
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 effectively prevents the disposal bag from being sucked into the turbine, enabling the use of inexpensive standard bags, reducing operational and consumption costs while maintaining vacuum cleaner functionality.
Implementation Method 1
the components configured to correspond to one another comprise an open structure, the open structure being configured to effect pressure equalization between a first region and a second region of the collection container
Data Source
Figure 1
Figure 2~2b
Figure 3
AI summary
The present invention relates to a device for making openings in a disposal bag for a vacuum cleaning device, wherein the vacuum cleaning device comprises a suction head and collection container. The device is characterised in that it has mutually corresponding components, wherein the mutually corresponding components of the device have an open structure, wherein the open structure is designed to bring about pressure equalisation between a first region and a second region of the collection container. It is preferred in the context of the invention for the device according to the invention to have a punch and a die, wherein the punch is arranged in the suction head and the die is arranged in the collection container. In a second aspect, the invention relates to a vacuum cleaning device which has at least one device according to the invention. In another aspect, the invention relates to a method for making openings in a disposal bag for a vacuum cleaning device.