Music Box Pause Mechanism with Stopper Member
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Solution Overview
Problem
Existing music boxes cannot pause during music playback, requiring manual winding to restart music once the clockwork spring stops rotating.
Innovation Solution
A music box equipped with a pause mechanism that includes a guide sleeve, stopper member, pushbutton, guide assembly, and restoring spring, allowing the music box to pause playback by restricting the clockwork spring's rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If the clockwork spring is wound up to drive the cylinder to play music, then the music box can play music, but the music playing time is limited to the rotation time of the clockwork spring and manual winding is required to restart
Solution Approach 1:
The music box system serves itself by using the cylinder's rotational inertia and the comb reed's elastic deformation to continue playing music after the clockwork spring stops, eliminating the need for manual winding to restart music playback
2Ease of operation
If the cylinder starts to rotate to play music, then music playback begins, but it is impossible to halt the cylinder to pause music playback
Solution Approach 1:
A pause mechanism with a movable stopper member acts as an intermediary between the cylinder and the comb reed, selectively blocking the cylinder's rotation to pause music playback or allowing it to rotate for continuous playback, providing user control without fundamental system redesign
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
Enables convenient pausing and resuming of music playback without the need for manual winding, enhancing user experience and functionality.
Implementation Method 1
The restoring spring is disposed between the guide sleeve and the stopper member for pushing the stopper member to move in a backward direction reverse to the forward direction
Data Source
AI summary
A music box includes a sounding mechanism and a pause mechanism. The pause mechanism has a guide sleeve, a stopper member, a pushbutton, a guide assembly and a restoring spring. The guide sleeve is formed with a plurality of initial locating sections, a plurality of stop locating sections and a communicating ring section. The stopper member can be moved and rotated as well as has a stop block. The pushbutton serves to push the stopper member to move in a forward direction. The guide assembly serves to drive the stopper member to rotate, while the restoring spring serves to push the stopper member to move in a backward direction. By means of the pushbutton, the guide assembly and the restoring spring, the stop block can in turn move between the initial locating sections, the stop locating sections and the communication section.