Hexagonal Engaging Structure for Hand Tool Torque Management
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Solution Overview
Problem
Conventional socket structures cause wear and reduce torque due to sharp stop ribs engaging screw heads, leading to bite marks and decreased contact area.
Innovation Solution
A hand tool engaging structure with a hexagonal main body featuring recesses and faces that distribute torque and prevent wear, allowing for easy tightening and loosening of screw members without causing damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If stop ribs with sharp pointed shape are used to engage screw heads, then the engaging structure can be simple, but the stop ribs easily wear and cause bite marks on the screw heads
Solution Approach 1:
The patent replaces the sharp pointed stop ribs with arcuate (curved) engaging surfaces. The first arcuate face and second arcuate face provide curved contact surfaces that engage the screw head, eliminating the sharp edges that cause wear and bite marks while maintaining structural simplicity
2Device complexity
If stop ribs with sharp pointed shape are used, then the structure is simple, but the contact area with screw heads is reduced, decreasing rotational torque
Solution Approach 1:
The arcuate faces provide curved surfaces that increase the contact area with the screw head compared to sharp pointed ribs. This increased surface area distributes the rotational force more effectively, maintaining or improving torque transmission while keeping the structure simple
Solution Approach 2:
The patent changes the geometric parameters of the engaging surfaces from sharp points to arcuate curves with specific radii. This parameter change increases the contact area and improves torque transmission efficiency while maintaining structural simplicity
Data Source
AI summary
An engaging structure includes a main body including a first side, a second side, a third side, and a fourth side. The first side, the third side, the fourth side, and the second side construct a hexagon. The hexagon has an axis, a fourth length, and a vertical line. The first side is provided with a first recess and a first face. The first recess is situated at a left side of the vertical line. The vertical line passes the first face. The first recess is provided with a first arcuate face and a second arcuate face. The second side is provided with a second recess and a second face. The second recess is situated at a left side of the vertical line. The vertical line passes the second face. The second recess is provided with a first corner and a second corner.