Massage Device Transport Locking Mechanism
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Solution Overview
Problem
Massage devices suffer damage to their gears and rack during transportation due to sudden external forces, leading to wear and breakage, which compromises their functionality.
Innovation Solution
A protective structure is implemented, featuring a bolt with a locking portion that secures the moving base to the base cover, preventing movement during transport, and a shield block with a spring mechanism to cover the fix bore and prevent dust ingress, ensuring the gears and rack remain stationary and protected.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the gears and rack are left free to move during transportation, then the massage device can be easily assembled and disassembled, but the gears and rack will be damaged by sudden external forces
Solution Approach 1:
A locking mechanism is provided that can be engaged before transportation to prevent gear movement, and disengaged before use to allow normal operation. This preliminary action of locking protects the gears during transport without affecting their functionality when in use.
Solution Approach 2:
A damping element is introduced as an intermediary between the moving base and the base cover. This damping element absorbs sudden external forces during transportation, preventing direct transmission of shock to the gears and rack, thus protecting them from damage while maintaining ease of assembly.
2Reliability
If a locking mechanism is added to prevent gear movement during transport, then the gears are protected from damage, but the device complexity increases
Solution Approach 1:
The locking mechanism is designed as a separate, modular component that can be independently engaged or disengaged. This segmentation allows the protection function to be added without fundamentally redesigning the entire device structure, thus minimizing the increase in overall complexity.
Solution Approach 2:
The damping element is designed to automatically engage and disengage based on the presence or absence of sudden external forces. During normal operation, it remains inactive and does not interfere with gear movement. During transportation, it automatically activates to provide protection, reducing the need for complex control mechanisms.
3Productivity
If the fixing bore is left open, then the assembly process is simpler and faster, but dust and contaminants can enter and damage the internal components
Solution Approach 1:
A flexible sealing ring is provided that can be easily installed around the fixing bore to prevent dust and contaminant ingress. This thin film seal maintains protection without adding significant structural complexity or slowing down the assembly process, as it can be quickly placed and secured.
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 protective structure effectively prevents damage to the gears and rack during transportation, ensuring the massage device's integrity and functionality by keeping the components stationary and dust-free, while allowing for easy operation once the bolt is removed.
Implementation Method 1
A spring having a first end and a second end is disposed between the shield and the pivoting shaft, the first end being inserted in the spring-receiving hole and the second end being pressed against the stop post
Data Source
AI summary
A massage device includes a base cover having a fix bore defined in its backside; a guiding device disposed in the base cover; and a moving base received in the base cover and movably mounted on the guiding device. The moving base has a securing hole defined therein. The massage device further includes a bolt with a locking portion, and the locking portion is inserted in both the fix bore and the securing hole.