Plate for installing the filter bag in a vacuum cleaner
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Solution Overview
Problem
Existing filter bag installation plates for vacuum cleaners lack flexibility and efficiency in securing the filter bag hygienically while often requiring excessive plastic usage and complex mold preparation.
Innovation Solution
A plate with a plastic body featuring pivotable mounting wings, spacer plates with latches, and a bolt system that allows for flexible installation and reduced plastic usage, including assembly cutouts and process sockets for easy attachment to the vacuum cleaner and filter bag.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional filter bag installation plates are used, then secure attachment of the filter bag is achieved, but excessive plastic usage and complex mold preparation are required
Solution Approach 1:
The installation plate is divided into a modular system consisting of a base plate and separate mounting wings that can be attached and detached. This segmentation allows the plate structure to be optimized for strength only where needed, reducing overall plastic consumption while maintaining secure attachment capability through the distributed latch mechanisms.
Solution Approach 2:
The plate features variable thickness with reinforced areas strategically positioned at the latches and mounting wings where structural strength is critical, while other areas use thinner plastic. This local quality approach ensures reliable filter bag attachment at key points without requiring excessive plastic throughout the entire structure.
2Reliability
If traditional filter bag installation plates are used, then secure attachment is achieved, but flexibility in installation and ease of assembly are reduced
Solution Approach 1:
The mounting wings are designed to be pivotable rather than fixed, allowing them to move between a stored position and an operational position. This dynamic feature enables easy assembly and disassembly of the filter bag while maintaining secure attachment during operation, significantly improving ease of operation without compromising reliability.
Solution Approach 2:
The latches serve as intermediary elements that mediate between the mounting wings and the filter bag. These simple mechanical latches provide secure attachment through a straightforward engagement mechanism, making the assembly process easy while ensuring reliable fixation when engaged.
3Adaptability or versatility
If pivotable mounting wings and modular components are added, then flexibility and ease of assembly are improved, but device complexity increases
Solution Approach 1:
The pivotable mounting wings are integrated directly into the base plate structure, sharing common latch mechanisms and mounting features. This merging of components provides flexibility and adaptability without proportionally increasing complexity, as the wings and base plate work as a unified system rather than separate complex assemblies.
4Loss of substance
If variable thickness and excisions are implemented, then plastic usage is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The excisions and variable thickness profiles are built into the injection mold design from the beginning, allowing the complex geometry to be formed in a single molding operation. This preliminary action in mold design enables production of the optimized plate structure without requiring subsequent precision machining or assembly steps, actually reducing overall manufacturing complexity.
Data Source
Figure 1~2
Figure 3~4
AI summary
A plate for installing the filter bag in a vacuum cleaner has a plastic body (1) with a hole (3) and spacer plates (4) and a bolt (2) with a hole (13). The body (1) is equipped with pivotable mounting wings (5). The mounting wings (5) and the spacer plates (4) are provided with latches (6). The bottom part of the body (1) has an excision (7). The thickness of the body (1) on the sides of the excision (7) is smaller than in the remaining part of the body (1). The spacer plates (4) are equipped with upper stops (8), and the body (1) has bottom stops (9) at the bottom. In the bottom part of the body (1) there are assembly cutouts (10), and on the sides of the body (1) between the hole (3) and the excision (7) holes (11). The plate has four process sockets (12) on the sides. The bolt (2) below the hole has a crimps (14). The lower part has a lower tenon (15) and lateral tenons (16), and in the upper part, stops (17) and a handle (18).