Portable Drill Guide With Pivot Alignment for Accurate Angled Holes
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Solution Overview
Problem
Woodworkers face difficulties in drilling precise and accurate straight or angled holes in workpieces using portable power drills, as existing assisting devices require multiple tools and increase project time and effort.
Innovation Solution
A multifunctional drill guide that includes a base plate, pivot assembly, guide columns, and a chuck carrier, allowing for adjustable alignment and angling of the drill bit, reducing the need for multiple assisting devices and simplifying the drilling process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple assisting devices are used to drill different holes, then drilling precision is improved, but device complexity and time consumption increase
Solution Approach 1:
The drill guide is designed as a universal device that can drill holes at various locations (center, offset, multiple workpieces) and at different angles (0-45 degrees) using a single apparatus. The pivot assembly allows angular adjustment while the base plate with centering mechanisms handles different positioning requirements, eliminating the need for multiple specialized assisting devices.
Solution Approach 2:
The drill guide incorporates dynamic adjustment capabilities through the pivot assembly that allows the guide columns and chuck carrier to be pivoted to different angles (0-45 degrees) relative to the base plate. This dynamic reconfiguration enables the same device to adapt to different drilling requirements without requiring multiple static devices.
2Manufacturing precision
If multiple assisting devices are used for different drilling tasks, then drilling accuracy is improved, but project completion time increases
Solution Approach 1:
The single drill guide device performs multiple functions including center drilling, offset drilling, and angled drilling across various workpieces. The base plate with centering buttons handles positioning for different workpiece centers, while the pivot assembly manages angular requirements, allowing a woodworker to complete diverse drilling tasks without switching between multiple devices.
Solution Approach 2:
The drill guide incorporates preliminary centering mechanisms (centering buttons and alignment features) that pre-establish the correct position and angle before drilling begins. This preliminary setup ensures accuracy is built into the system rather than requiring multiple adjustment steps during the drilling process.
3Device complexity
If a single multifunctional drill guide is used, then device complexity is reduced, but maintaining precision across multiple functions becomes challenging
Solution Approach 1:
The drill guide is segmented into functionally independent but coordinated components: the base plate with centering mechanisms for positioning, the pivot assembly for angular adjustment, and the guide columns with chuck carrier for drill support. Each segment maintains its own precision features (alignment holes, pivot points, guide surfaces) that work together to ensure consistent accuracy across all functions.
Solution Approach 2:
The invention replaces complex mechanical adjustment systems with simpler geometric constraints and alignment features. The centering buttons use radial alignment, the pivot assembly uses fixed pivot points, and the guide columns use predetermined angles, eliminating the need for complex mechanical adjustments while maintaining precision.
Data Source
AI summary
The present disclosure relates to a portable drill guide that is useable to enable a user to more accurately use a portable drill to drill a substantially vertical hole or angled hole into a workpiece in a controlled straight line. The portable drill guide includes a base plate; a pivot assembly selectively moveable with the base plate; at least one guide column operably engaged with the at least one guide column; and a chuck carrier operably engaged with the at least one guide column and being linearly moveable relative to the base plate. The chuck carrier and the at least one guide column of the portable drill guide are pivot with the pivot assembly relative to the base plate. Additional assemblies and components may be operably engaged with the portable drill guide for assisting in drilling substantially vertical hole or angled hole into a workpiece in a controlled straight line.