Drill Dust Box With Rotating Brush and Depth Stop
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Solution Overview
Problem
Existing electric power tool accessories fail to effectively capture dust and debris during drilling operations, particularly when drilling into ceilings, and lack a reliable mechanism to accurately set the maximum depth of drill bit penetration, leading to cumbersome and error-prone operations.
Innovation Solution
The accessory includes a housing with a dust catcher and a movable brush system that captures dust and debris efficiently, and a depth-setting mechanism using a rail and clamp system to ensure precise control over the drill bit's penetration depth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a fixed brush is used in a dust catcher, then dust and debris can be captured, but dust falls through the brush onto the user when drilling upwardly
Solution Approach 1:
The brush is made movable relative to the housing, allowing it to rotate about its longitudinal axis. This dynamic configuration enables the brush to effectively capture and contain dust and debris during upward drilling operations, preventing dust from falling through onto the user while maintaining reliable dust capture functionality.
2Measurement precision
If no depth control mechanism is provided, then the accessory structure remains simple, but the user cannot accurately determine drill bit penetration depth
Solution Approach 1:
A depth control mechanism is integrated into the accessory, replacing manual depth estimation with a mechanical measurement system. The mechanism includes a scale or indicator that provides accurate visual feedback on drill bit penetration depth, enabling precise depth control without overly complicating the accessory structure.
3Ease of operation
If manual depth control is used, then the accessory structure remains simple, but the drilling operation becomes cumbersome and error-prone
Solution Approach 1:
The depth control mechanism is designed to automatically indicate when the predetermined depth is reached, eliminating the need for continuous manual monitoring and adjustment. The system serves itself by providing clear visual feedback through the scale or indicator, making the drilling operation easier and faster while reducing errors.
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 reduces dust fall on the user during drilling and allows for accurate and adjustable control of the drill bit's depth, enhancing operational safety and precision.
Implementation Method 1
said movable member is releasably engageable with said utility part of said electric power tool for substantially simultaneous rotational movement about a longitudinal axis of said utility part
Data Source
AI summary
An accessory for an electric drill is disclosed as including a dust box for receiving abraded materials produced by an electric drill on a workpiece, the dust box including an internal cavity, a first longitudinal end with a first opening communicating with the internal cavity, an opposite second longitudinal end with a second opening communicating with the internal cavity, and a brush or a disc. When a drill bit of the electric drill is received into the internal cavity of the dust box through the second opening, the brush or disc is releasably engageable with the drill bit for simultaneous rotational movement about a longitudinal axis of the drill bit.