Pocket Hole Jig With Tilted Orifices And Push Rod
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Solution Overview
Problem
Conventional drill tools for wooden workpieces are prone to offset drilling paths and require cumbersome adjustments with extension blocks of various sizes, leading to operational inconvenience.
Innovation Solution
A pocket hole jig comprising a base with a first fixing assembly, a drilling assembly, and a second fixing assembly, featuring a push rod, tilted orifices, upright mounts, a slider with dovetail grooves, and adjustable abutting seats, allowing for quick alignment and drilling of oblique holes at specific angles based on workpiece thickness and screw size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional drill tool is used to manually drill holes on a wooden workpiece, then the drilling operation can be performed, but it is easy to cause an offset drilling path
Solution Approach 1:
The patent introduces a guide column as an intermediary component between the drill and the workpiece. The guide column includes a guiding sleeve that guides the drill head, ensuring the drill bit follows a precise predetermined path. This intermediary structure eliminates the offset drilling path problem while maintaining ease of operation through the template-based positioning system.
Solution Approach 2:
The patent replaces the purely manual drilling operation with a guided mechanical system. The template with guide column and guiding sleeve creates a mechanical constraint system that automatically ensures accurate drilling path, substituting the need for manual precision with a structured mechanical guidance mechanism.
2Adaptability or versatility
If a conventional drill mold is used with extension blocks of various sizes to adjust drilling position, then the drilling position can be adjusted, but it causes using inconvenience
Solution Approach 1:
The patent changes the adjustment parameter from horizontal distance (using extension blocks) to vertical distance (using positioning blocks of different heights). The template can be positioned at different heights on the guide column, and positioning blocks with various heights allow quick adjustment of drilling depth and position without requiring multiple extension block sizes, significantly improving ease of operation.
Solution Approach 2:
The patent inverts the adjustment mechanism from horizontal extension blocks to vertical positioning blocks. Instead of extending the template horizontally with blocks of various sizes, the template is positioned vertically at different heights on the guide column, and the drilling angle and depth are controlled by the vertical positioning rather than horizontal extension.
3Adaptability or versatility
If a guide column with accommodation aperture and extension blocks is used, then the horizontal distance between guide column and workpiece edge can be changed, but it requires mating with extension blocks of various sizes
Solution Approach 1:
The patent makes the guide column universal by providing positioning blocks that can be applied at multiple locations and orientations. The same positioning block system works for different drilling angles and positions by simply changing the height selection, eliminating the need for multiple specialized extension blocks. The guiding sleeve also serves multiple functions: guiding the drill, positioning the template height, and accommodating different drilling configurations.
Solution Approach 2:
The patent extracts the adjustment function from the extension block system and relocates it to the positioning block system on the guide column. The accommodation aperture and extension blocks are removed, and instead, positioning blocks of various heights are used on the guide column, simplifying the overall system while maintaining adjustability.
4Adaptability or versatility
If multiple extension blocks of various sizes are used for adjustment, then different drilling configurations can be achieved, but it leads to operational inconvenience
Solution Approach 1:
The patent applies preliminary action by pre-positioning multiple positioning blocks of different heights on the guide column before the drilling operation. The operator can quickly select and attach the appropriate positioning block based on the required drilling depth and angle, eliminating the need for measuring and calculating during operation. This pre-prepared system significantly reduces adjustment time while maintaining various drilling configuration options.
Data Source
AI summary
A pocket hole jig in contains: a base, a first fixing assembly, a drilling assembly, and a second fixing assembly. The first fixing assembly and the drilling assembly are arranged on two ends of the base respectively, and an operation space is defined between the first fixing assembly and the drilling assembly of the base so as to accommodate a wooden workpiece. The first fixing assembly includes a push rod, the drilling assembly includes at least one tilted orifice, wherein an inlet segment of the at least one tilted orifice is located on an upper end of the drilling assembly, and an outlet segment of the at least one tilted orifice is located on one side of the drilling assembly. The second fixing assembly is located on one side of the base and includes an abutting seat configured to abut against the wooden workpiece.