Roller Module Bracket Layout for Compact Roller Spacing
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Solution Overview
Problem
Conventional roller designs face challenges in achieving a compact arrangement due to the restricted spacing distance between rollers caused by the width of the push switch, which is typically located under the roller shaft.
Innovation Solution
The push switch is positioned away from the roller shaft, and a bracket mechanism is used to trigger it, allowing for a compact arrangement by reducing the spacing distance between rollers through a fulcrum and load part system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the push switch is located under the roller shaft, then the triggering mechanism is simple, but the spacing distance between rollers is large
Solution Approach 1:
The push switch is repositioned from a vertical arrangement (under the roller shaft) to a horizontal arrangement (at the end of the bracket), changing the spatial dimension of the triggering mechanism. This dimensional shift allows the roller shaft and push switch to be offset, enabling closer roller spacing while maintaining the triggering function through the bracket's rotational movement.
2Length of moving object
If the push switch is positioned away from the roller shaft, then the spacing distance between rollers is reduced, but the triggering mechanism becomes more complex
Solution Approach 1:
The bracket is designed to perform multiple functions: it supports the roller shaft for rotation, provides a rotational linkage mechanism, and directly triggers the push switch through its load part. This multi-functionality consolidates what would otherwise require separate components (support structure, linkage, and trigger), thereby reducing overall mechanism complexity despite the repositioned push switch.
3Area of stationary object
If a bracket mechanism is used to trigger the push switch, then the roller arrangement becomes compact, but the structure becomes more complex
Solution Approach 1:
The bracket merges the support function for the roller shaft with the triggering function for the push switch into a single integrated component. By combining these functions, the design eliminates the need for separate support structures and linkage mechanisms, reducing overall structural complexity while achieving compact roller arrangement.
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 design enables a more compact arrangement of rollers by reducing the spacing between them, saving space in electronic devices and facilitating a labor-saving and accurate triggering mechanism.
Implementation Method 1
The bracket includes a fulcrum part, an effort part and a load part. The effort part is arranged between the fulcrum part and the load part.
Data Source
AI summary
A roller module includes a roller, a circuit board and a bracket. The roller includes an operating part and a turntable part. The operating part and the turntable part are rotatable synchronously along a rotation axis line. A first rotating shaft and a second rotating shaft are respectively protruded from two opposite sides of the turntable part along the rotation axis line. An encoder and a push switch are disposed on the circuit board. The first rotating shaft is connected with the encoder. The bracket includes a fulcrum part, an effort part and a load part. The effort part is arranged between the fulcrum part and the load part. The effort part includes a sleeve. The second rotating shaft is accommodated within the sleeve. The load part is contacted with a top side of the push switch.