Sliding Tool Extension Rod for Multi-Size Fastener Holding
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Solution Overview
Problem
Existing tool extension rods require multiple units for rotating fastening elements of different sizes, lacking adaptability for varying sizes and secure attachment.
Innovation Solution
A tool extension rod with two connecting sleeves of different sizes and a magnetic assembly that moves axially to securely engage workpieces of varying sizes, allowing selection of the appropriate sleeve based on workpiece size and ensuring firm attraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single-size tool extension rod is used, then the device complexity is reduced, but the adaptability for different workpiece sizes deteriorates
Solution Approach 1:
The tool extension rod is designed with two connecting sleeves of different sizes (first connecting sleeve and second connecting sleeve) that can be selectively positioned, allowing a single rod to accommodate multiple workpiece sizes. The sliding sleeve mechanism enables switching between the two sleeves, making the tool universal for different fastening elements without requiring multiple specialized rods.
Solution Approach 2:
The sliding sleeve is designed to be movable along the longitudinal axis, allowing dynamic repositioning between the first and second connecting sleeves. This dynamic adjustment capability enables the tool to adapt to different workpiece sizes during operation, transforming a static single-size design into a flexible multi-size solution.
2Device complexity
If the magnetic assembly is fixed in position, then the device complexity is reduced, but the ability to securely engage workpieces of different sizes deteriorates
Solution Approach 1:
The magnetic assembly is designed to move axially along with the sliding sleeve, allowing it to dynamically adjust its position relative to the connecting sleeves. This ensures that the magnetic assembly remains properly positioned to securely engage workpieces regardless of which connecting sleeve (first or second) is being used, maintaining reliable engagement across different workpiece sizes.
3Adaptability or versatility
If multiple tool extension rods are prepared for different sizes, then the adaptability for different workpiece sizes is improved, but the loss of time for exchanging rods deteriorates
Solution Approach 1:
By integrating two connecting sleeves of different sizes into a single tool extension rod with a sliding mechanism, the invention eliminates the need to exchange between multiple specialized rods. Users can simply slide the sleeve to select the appropriate size, reducing time loss while maintaining full adaptability for different workpiece sizes.
Solution Approach 2:
The sliding mechanism allows rapid switching between the first and second connecting sleeves without requiring tool removal or exchange. This dynamic adjustment capability significantly reduces the time penalty associated with adapting to different workpiece sizes, as users can quickly reposition the sleeve rather than exchanging entire tools.
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
Enables the use of a single tool extension rod to rotate fastening elements of different sizes securely, preventing workpieces from falling by adjusting the magnetic assembly's position to match the workpiece size, thus eliminating the need for multiple rods.
Implementation Method 1
the magnetic assembly is axially movable to attract the workpiece firmly
Data Source
AI summary
A tool extension rod includes a main piece, a sliding sleeve, and a magnetic assembly. The sliding sleeve is slidably sleeved onto the main piece. When the sliding sleeve moves between a first position and a second position, the magnetic assembly is movable along an axial direction.