Eccentric Bracket Percussive Massage Device With Elastic Guider
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Solution Overview
Problem
Existing percussive massage devices lack a novel structure that effectively combines motor-driven eccentric components with elastic deformation to provide a gentle and efficient tapping massage, limiting their ability to quickly and effectively relieve muscle soreness and enhance recovery.
Innovation Solution
A percussive massage device featuring a massage head, base, motor, eccentric wheel, and an elastically deformable guider, where the motor drives the eccentric wheel and bracket to rotate, moving the base and massage head horizontally, and the guider deforms to facilitate gentle tapping, utilizing a thermoplastic polyester elastomer for effective elastic deformation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a motor-driven eccentric mechanism is used to generate percussive motion, then the massage effectiveness is improved, but the device complexity increases
Solution Approach 1:
The patent combines the motor, eccentric wheel, bracket, and guider into an integrated assembly where components work together as a unified system. The motor drives the eccentric wheel which rotates the bracket, and the guider constrains the motion path, merging multiple functions into a compact structure that reduces overall device complexity while maintaining massage effectiveness.
Solution Approach 2:
The patent employs dynamic elements including the rotating eccentric wheel that converts rotational motion into reciprocating linear motion, and the elastically deformable guider that dynamically adapts to movement constraints. This dynamic mechanism provides effective percussive massage action while keeping the structural design relatively simple through motion transformation.
2Ease of operation
If an elastically deformable guider is added to enable gentle tapping, then the massage gentleness is improved, but the device complexity increases
Solution Approach 1:
The patent changes the physical parameter of the guider by using an elastically deformable material that can flex and return to its original shape. This elastic deformation property allows the guider to absorb and modulate the percussive forces, providing gentle tapping action without requiring complex cushioning mechanisms or additional components.
3Speed
If the base and massage head are moved horizontally through eccentric rotation, then the massage speed is improved, but the structural complexity increases
Solution Approach 1:
The patent utilizes mechanical vibration generated by the rotating eccentric wheel to produce rapid reciprocating motion of the bracket and connected components. This vibration-based mechanism achieves high-speed percussive action through the dynamic imbalance of the eccentric mass, eliminating the need for complex reciprocating mechanisms or high-speed actuators.
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 device provides a quick and gentle tapping massage, enhancing muscle recovery by increasing blood flow and reducing muscle soreness, with the elastic deformation mechanism ensuring effective movement and cost-effective production.
Implementation Method 1
the motor drives the eccentric wheel and the eccentric bracket to rotate
Implementation Method 2
the guider elastically deforms forward or backward at the same time
Data Source
AI summary
A percussive massage device, including a massage head, a base and a motor, the massage head is fastened and connected to the base, and further including an eccentric wheel, an eccentric bracket, a movable member and an elastically deformable guider. The base, the guider and the movable member are arranged from the front to the rear in sequence and are fixedly connected. The movable member is provided with a supporting shaft. The motor, the eccentric wheel and the eccentric bracket are linked arranged in sequence. The eccentric bracket is provided with a first mounting hole at the front end. The supporting shaft penetrates into the first mounting hole through a first bearing. Since the base and the massage head can move horizontally forward or backward, and the guider elastically deforms forward or backward at the same time, thereby the human body can be quickly and gently massaged by tapping.