Percussive Massage Device Spatial Positioning Bracket
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing percussive massage devices face challenges in maintaining consistent operating characteristics due to difficulties in achieving close tolerances in the positioning of their components, particularly when miniaturized, leading to inconsistent performance.
Innovation Solution
A self-contained reciprocation mechanism that includes a spatial positioning bracket, a semi-cylindrical bracket, a piston, a motor, a crank, and a reciprocation linkage, which are assembled as a unit to ensure precise positional relationships and are then installed within an outer body structure, ensuring consistent operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the device is miniaturized to reduce size, then portability is improved, but manufacturing precision deteriorates due to difficulty in achieving close tolerances in component positioning
Solution Approach 1:
The device is divided into separate modules: a motor assembly, a piston-cylinder assembly, and an outer body structure. Each module is manufactured and assembled independently with standard tolerances, then integrated together. This segmentation allows miniaturization of individual components without compounding positioning tolerance issues that would occur in a fully integrated miniaturized design.
Solution Approach 2:
Mounting structures and interface features act as intermediaries between the motor assembly, piston-cylinder assembly, and outer body. These intermediary elements provide standardized mounting interfaces that ensure consistent spatial relationships between components without requiring close tolerances in the final assembly, thus enabling miniaturization while maintaining manufacturing precision.
2Device complexity
If components are interconnected in the final manufacturing process, then device integration is improved, but reliability deteriorates due to inconsistent operating characteristics from positioning variations
Solution Approach 1:
The motor assembly and piston-cylinder assembly are pre-assembled as separate units with their internal components positioned and secured before integration into the final device. This preliminary assembly ensures that critical internal tolerances are established under controlled conditions, improving reliability by preventing positioning variations that would occur during final assembly.
Solution Approach 2:
The motor assembly, piston-cylinder assembly, and mounting structures are merged into a integrated unit through standardized interfaces and mounting features. This merging approach maintains reliability by using consistent interface designs that ensure proper spatial relationships between components, while still allowing for modular manufacturing and assembly.
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
This solution allows for a compact and consistent percussive massage device with improved performance by maintaining precise component positioning, enhancing the reliability and effectiveness of the massage therapy.
Implementation Method 1
an electric motor coupled to drive a reciprocating piston within a cylinder
Implementation Method 2
The crank includes a central bore configured to receive the shaft of the motor such that the crank is positioned below the motor mounting portion of the spatial positioning bracket. The crank further includes a downwardly extending post offset from the central axis of the shaft. The reciprocation linkage has a first linkage end and a second linkage end. The first linkage end is coupled to post of the crank, and the second linkage end is coupled to the first piston end.
Data Source
AI summary
A self-contained reciprocation mechanism is coupleable within an enclosure of a percussive massage device and is configured to receive an applicator head for stimulating a user's muscles. The self-contained reciprocation mechanism includes a spatial positioning bracket, a semi-cylindrical bracket, a piston, a motor, a crank, and a reciprocation linkage. The spatial positioning bracket is configured to receive the other interconnected components of the self-contained reciprocation mechanism and position said components relative to each other at close predetermined tolerances to assure that the interconnected components are properly positioned to provide consistent operating characteristics. The self-contained reciprocation mechanism is coupled within the enclosure using screws which extend through mounting tabs of the spatial positioning bracket.