Elastic Buffering Structure for Low-Vibration Hand Tools
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Solution Overview
Problem
Existing massage guns cause hand discomfort and injury due to high-frequency vibrations during use, as the hand holding the tool is also vibrated simultaneously.
Innovation Solution
A hand tool design featuring a casing with a buffering section made of an elastic material to absorb vibrations, a driving module, a power module, and a workpiece connected to a handle, which reduces vibration transmission to the hand by using a buffering mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If high frequency vibration is continuously generated by the driving module, then the massaging function is effective, but the hand holding the tool experiences vibration and discomfort
Solution Approach 1:
The buffering section serves as an intermediary element positioned between the driving module (vibration source) and the rear section (hand grip). It absorbs and attenuates vibrations transmitted through the casing, reducing the harmful vibrations reaching the user's hand while allowing the driving module to maintain effective massaging power at the workpiece.
Solution Approach 2:
The buffering section utilizes the vibration energy as a harmful factor and converts it into a beneficial damping effect. By incorporating elastic materials with appropriate damping characteristics, the system transforms the harmful vibration transmission into useful vibration absorption, protecting the user's hand while maintaining the massaging function.
2Object-affected harmful factors
If a buffering section made of elastic material is added to reduce hand vibration, then hand comfort is improved, but the device complexity increases
Solution Approach 1:
The casing is segmented into three distinct sections: the front section (housing the driving module), the buffering section (with damping function), and the rear section (for hand grip). This segmentation allows each part to perform its specific function independently while maintaining overall structural integrity, making the addition of vibration reduction features more manageable.
Solution Approach 2:
The buffering section is designed with specific local qualities - using elastic materials with particular damping characteristics positioned at the critical location between the vibration source and the hand grip. This localized approach to vibration control provides effective hand protection without requiring the entire device structure to be complex.
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
The design effectively reduces hand vibration and minimizes the risk of injury by absorbing vibrations through the elastic buffering section, ensuring comfortable operation.
Implementation Method 1
a buffering section (13) connected between the front and rear sections (11, 12), wherein the buffering section (13) is made of an elastic material
Implementation Method 2
The buffering section (13) is made of an elastic material
Data Source
AI summary
A hand tool for reducing hand vibration, including a casing, a driving module, a power module and a workpiece. The casing includes a front section, a rear section, and a buffering section connected between the front and rear sections. The buffering section is made of an elastic material. The rear section is adapted for gripping. The driving module is disposed on the front section. The power module is disposed on the rear section, and is electrically connected to the driving module to supply electricity to the driving module. The workpiece is connected to the driving module, extends out of the front section, and is driven by the driving module to operate.