Hinged Lid Dust Box for Electric Tool Filter Access
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Solution Overview
Problem
Existing dust collecting devices for electric tools, such as drills, face difficulties in discarding accumulated powder dust and cleaning the filter, as the filter is often fixed and cumbersome to access.
Innovation Solution
A dust collecting device with a removable dust box and a lid body hinged to the box body, where the filter is attached to the lid, allowing easy access and removal for cleaning and dust disposal, featuring a pre-filter and main filter configuration for enhanced usability and filter longevity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the filter is fixed in the dust collecting case, then the dust collecting device is compact and simple, but it is difficult to discard powder dust and clean the filter
Solution Approach 1:
The dust collecting case is divided into a box body and a lid body that can be separated from each other. The filter is attached to the lid body, which can be opened independently from the box body. This segmentation allows the filter to be accessed and cleaned without removing the entire dust collecting case, resolving the contradiction between ease of operation and device complexity.
Solution Approach 2:
The filter is extracted from the box body and attached to the lid body instead. This extraction allows the filter to be easily accessed by simply opening the lid body, making dust disposal and filter cleaning convenient operations without requiring disassembly of the entire dust collecting case structure.
2Ease of repair
If the filter is removable from the lid body, then filter cleaning and replacement becomes easier, but the attachment mechanism becomes more complex
Solution Approach 1:
The filter attachment mechanism uses a dynamic design with engagement protrusions and recesses that allow the filter to be easily inserted and removed from the lid body. The attachment structure provides secure fixation during operation but enables quick release for cleaning and replacement, balancing ease of repair with acceptable structural complexity.
3Duration of action of stationary object
If a pre-filter is added upstream of the main filter, then the main filter life is extended, but the device complexity increases
Solution Approach 1:
The filtration system is segmented into two distinct filters: a pre-filter positioned upstream and a main filter positioned downstream. The pre-filter captures larger particles and contaminants, protecting the main filter from rapid clogging. This segmentation extends the main filter's service life while adding only moderate complexity to the overall filter system structure.
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
Facilitates easy disposal of powder dust and cleaning of filters, improving usability and convenience, while extending the life of the main filter by allowing easy replacement and maintenance of both filters.
Implementation Method 1
a vent channel equipped with a filter and constituting part of the dust collecting route
Data Source
AI summary
A dust box joined to a dust collecting device is formed of a box body, and a lid body that is joined to the box body by a hinge and can open and close an opening of the box body, and a main filter and a pre-filter are attached to the lid body.