Compact Fascia Gun with Eccentric Drive and Damping
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Solution Overview
Problem
Existing handheld massage tools are complex, costly, and inconvenient due to their large size, restricted usage, and noise, with fixed massage heads and high vibration.
Innovation Solution
A compact fascia gun with a simple structure, featuring a motor-driven eccentric gear system, a percussion stick, and a detachable massage head, allowing for easy handling and storage, with a shock absorber for reduced noise and improved user experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a miniature motor is used to drive an eccentric hammer to rotate and generate inertial force for massage, then massage function is achieved, but the structure becomes complex and production cost increases
Solution Approach 1:
The patent extracts and eliminates unnecessary complex components from the massage device. By using a simple motor directly driving an eccentric block without complex transmission mechanisms, the design achieves massage function while significantly reducing structural complexity and production cost.
2Ease of operation
If handheld massage sticks are made small in size for portability, then convenience improves, but vibration and noise increase
Solution Approach 1:
The patent incorporates cushioning elements and damping structures in advance within the device design. These pre-installed cushioning components effectively reduce vibration and noise during operation, allowing the device to maintain a compact portable size while minimizing harmful vibrations and noise levels.
3Ease of manufacture
If massage heads are made fixed in shape for simplicity, then manufacturing is easier, but adaptability for different massage needs is reduced
Solution Approach 1:
The patent implements replaceable massage heads with different shapes and functions. This dynamic configuration allows users to switch between different massage heads according to different massage needs, thereby achieving both ease of manufacture for each individual head and high adaptability for various massage applications.
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 fascia gun provides effective percussion massage with a portable, low-cost design, enhancing user convenience and market competitiveness while reducing noise and prolonging device lifespan.
Implementation Method 1
use a miniature motor to drive an eccentric hammer to rotate to generate an inertial force to make an oscillating body oscillate periodically
Implementation Method 2
drive an eccentric hammer to rotate to generate an inertial force
Implementation Method 3
the guide rail passes through the axle hole... enable the percussion stick to slide back and forth along a length direction of the guide rail
Data Source
AI summary
The invention discloses a fascia gun, which comprises a case, a motor, an eccentric gear, a guide rail, a percussion stick, a massage head group and a circuit board. A rotating shaft of the motor is connected with the eccentric gear. The percussion stick comprises a connector, a guide seat and a connecting rod. An eccentric shaft of the eccentric gear is fitted in an oblong hole of the connector. The guide rail is fitted in an axle hole of the guide seat. One end of the connecting rod is connected with the guide seat, and the other end of the connecting rod is connected with the massage head group. The fascia gun disclosed by the invention has the advantages of simple structure, beautiful appearance, small size and low cost.