Power Tool Hook Assembly with Dual-Axis Rotation for Flexible Hanging
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Solution Overview
Problem
Existing hook assemblies for power tools have limited angle and flexibility, leading to insufficient convenience and safety when hanging the tool.
Innovation Solution
A hook assembly with a connection shaft and a hook member that can rotate around a central axis, allowing flexible adjustment of the hanging angle and automatically adjusting to the tool's center of gravity for optimal hanging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a dual-axis hook assembly is used to enable multi-directional hanging, then the flexibility and convenience of hanging the tool are improved, but the structure becomes extremely complex and the rotation angle is limited
Solution Approach 1:
The hook assembly is divided into two independent rotational segments: the connection shaft that rotates relative to the housing, and the hook member that rotates relative to the connection shaft. This segmentation allows each component to perform a simpler single-axis rotation rather than requiring a complex dual-axis mechanism, thereby reducing structural complexity while maintaining multi-directional hanging capability
Solution Approach 2:
The rotational function is extracted from a complex integrated dual-axis mechanism and distributed to separate components (connection shaft and hook member). Each component independently provides rotation around its own axis, simplifying the overall structure while achieving the same functional outcome of multi-directional hook positioning
2Ease of operation
If a dual-axis hook assembly with limited angular range is used, then the structure is defined by intersecting axes, but the adjustment flexibility of the hook angle is reduced
Solution Approach 1:
The hook assembly employs dynamic rotational joints that allow continuous adjustment of angles rather than being constrained to fixed angular positions. The connection shaft rotates continuously around the first axis, and the hook member rotates continuously around the second axis, enabling flexible adaptation to various hanging orientations and improving both ease of operation and hanging angle range
Solution Approach 2:
The system allows independent variation of two angular parameters: the angle of the connection shaft relative to the housing, and the angle of the hook member relative to the connection shaft. This dual-parameter adjustment capability provides continuous flexibility in positioning the hook at any desired orientation within the rotational ranges, enhancing both adjustability and adaptability
3Device complexity
If the hook position is fixed according to a slot position, then the structure is simplified, but the angle adjustment capability is limited to a specific range
Solution Approach 1:
Instead of fixing the hook at discrete positions defined by slots, the invention implements dynamic rotational joints that allow continuous angular adjustment. The connection shaft and hook member can rotate through substantial angular ranges, transforming the system from a discrete-position mechanism to a continuous-adjustment mechanism, thereby increasing adaptability without significantly increasing complexity
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
Ensures safe and stable hanging of power tools by automatically adjusting to the tool's center of gravity, minimizing hindrance during use and enhancing convenience.
Implementation Method 1
an elastic component is provided between the first end and the holding part
Implementation Method 2
capable of automatic adjustment of a hanging angle under the action of the weight of the power tool itself
Data Source
AI summary
A hook assembly for a power tool includes a connection shaft having a first end and a second end opposite each other. The first end of the connection shaft is connectable to a housing of the power tool, the second end is connected to a hook member, and the hook member has a handle part and a hook part extending from the handle part. The hook member has a first position and a second position opposite the first position and the hook member is rotatable around a central axis of the connection shaft when in the second position.