Ratchet Wrench Swing Structure for Stable Angle Locking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing wrench tools face issues with angle adjustment mechanisms that are prone to wear, leading to unstable angle fixation and increased complexity, structural costs, and difficulty in operating in confined spaces.
Innovation Solution
A swing structure for a ratchet wrench utilizing a plurality of connectors and a pivotably connecting unit, with tightening mechanisms to securely fix the wrench at specific angles, allowing easy adjustment and stable operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If an engage rod and engage tooth section mechanism is used for angle adjustment, then the wrench can be adjusted to various angles, but the engaged portions are liable to wear and weaken in fixed effect, causing the angle to change randomly
Solution Approach 1:
The patent extracts the angle adjustment function from the engage rod and engage tooth section mechanism, separating it into an independent adjusting mechanism that can be detached. This allows the main body to maintain stable fixation while the adjusting mechanism provides angle versatility without compromising the reliability of the fixed angle position.
Solution Approach 2:
The patent introduces a dynamic adjusting mechanism that can transition between adjusted and fixed states. The adjusting member can rotate to change angles during operation, then lock into place to maintain stability, providing both adaptability and reliability in different operational phases.
2Reliability
If a pivotably connecting mechanism with teeth and pivoting block is used to fix the wrench angle, then the angle can be fixed stably, but the structure becomes more complex and requires more components
Solution Approach 1:
The patent merges the angle adjustment function and angle fixation function into a single integrated mechanism. The adjusting member combines both the adjustment capability and the fixation feature, eliminating the need for separate teeth and pivoting block components, thus reducing structural complexity while maintaining reliability.
Solution Approach 2:
The adjusting member serves multiple functions: it enables angle adjustment, provides angle fixation, and acts as a structural connector. This multi-functionality reduces the number of components needed, simplifying the overall structure while maintaining stable angle fixation without requiring additional specialized parts.
3Reliability
If the wrench structure is made more complex to provide stable angle fixation, then the fixing force increases, but the operational ease in confined spaces decreases
Solution Approach 1:
The patent segments the wrench into a main body and a detachable adjusting mechanism. This segmentation allows the main body to remain simple and easy to operate in confined spaces, while the adjusting mechanism provides the necessary fixing force when engaged. The segments can be independently optimized for their respective functions.
Solution Approach 2:
The adjusting mechanism is pre-configured with the necessary components to provide stable fixation once engaged. The preliminary design of the adjusting member and its interaction with the main body ensures that when the adjustment is made, the fixing force is automatically generated without requiring additional complex operations, maintaining ease of use while ensuring reliability.
Data Source
AI summary
A swing structure of a ratchet wrench includes a first connector, a second connector, and a pivotably connecting unit. The first connector has two first wing portions, and a first tightening portion. Each first wing portion has a first connecting hole. The first tightening portion has a first tightening hole. The second connector has two second wing portions, and a second tightening portion. Each second wing portion has a second connecting hole. The second tightening portion has a second tightening hole. The second tightening portion and the first tightening portion of the first connector are disposed opposite to each other to form a gap therebetween. The pivotably connecting unit has pivots for fastening the first connector and the second connector to each other, and a fastener for fastening the first tightening hole and the second tightening hole and being tightened to narrow the gap for fixing the angle.