Rotary Button Indicating Mechanism for Clamping Force Control
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Solution Overview
Problem
Conventional rotary buttons lack an effective indication of the urging force applied, leading to potential damage from over-tightening or insufficient clamping force, resulting in instability during assembly or clamping of external objects.
Innovation Solution
A rotary button design incorporating a housing, a rotating member, and an indicating mechanism with reference and indicating portions, where the rotating member is non-rotatably disposed on the housing and includes a threaded portion for screwing with a threaded rod, and an indicating mechanism that interferes with the rotating member to drive the indicating portion to correspond with the reference portion, providing a visual confirmation of the urging force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the rotary button is turned tight to increase clamping force, then the clamping stability is improved, but the components may be damaged due to over-tightening
Solution Approach 1:
The indicating mechanism provides visual feedback through the alignment of indicating portions with reference portions, showing the user when the rotary button has reached the appropriate tightening position. This feedback loop prevents over-tightening by clearly indicating when sufficient clamping force has been achieved, thereby improving reliability without causing component damage.
Solution Approach 2:
The indicating mechanism is pre-configured with specific indicating portions and reference portions that align at the optimal tightening position. This preliminary setup guides the user to stop rotation at the correct point before damage occurs, preventing the harmful effect of over-tightening while ensuring adequate clamping stability.
2Object-affected harmful factors
If the rotary button is not turned tight enough to avoid damage, then component safety is improved, but the clamping force becomes insufficient
Solution Approach 1:
The indicating mechanism provides clear visual feedback when the optimal clamping force is achieved through alignment of indicating and reference portions. This eliminates uncertainty about whether sufficient clamping force has been applied, ensuring reliability without compromising component safety.
Solution Approach 2:
The patent replaces subjective mechanical judgment (feeling whether the button is tight enough) with an objective visual indication system. This substitution ensures that users can reliably determine the correct tightening point without risking either over-tightening or under-tightening.
3Device complexity
If no indication mechanism is provided to simplify the structure, then device complexity is reduced, but the user cannot determine appropriate urging force
Solution Approach 1:
The indicating mechanism uses visual indicators (indicating portions that align with reference portions) to convey information about the urging force status. This visual signaling system provides clear information feedback without requiring complex mechanical or electronic systems, maintaining structural simplicity while preventing information loss.
4Loss of information
If an indication mechanism is added to provide visual confirmation, then the urging force information is improved, but the device complexity increases
Solution Approach 1:
The indicating mechanism uses simple visual elements (indicating portions and reference portions) that align to provide urging force information. This approach provides clear information feedback through a relatively simple structure, minimizing the increase in device complexity while effectively preventing information loss.
Solution Approach 2:
The indicating mechanism is integrated into the rotary button structure itself, using the rotation and axial movement of existing components to drive the indication. This self-service approach provides urging force information without requiring separate complex indication systems.
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 design ensures appropriate urging force is applied, preventing damage from over-rotation and ensuring stable assembly or clamping by visually indicating when the desired force is reached, thereby enhancing the operational safety and effectiveness of the rotary button.
Implementation Method 1
The rotating member is movable relative to the housing in the axial direction and includes a threaded portion configured to be screwed with a threaded rod
Data Source
AI summary
A rotary button is provided, including: a housing, a rotating member and an indicating mechanism. The housing includes at least one reference portion. The rotating member defines an axial direction and is non-rotatably disposed on the housing. The rotating member is movable relative to the housing in the axial direction and includes a threaded portion configured to be screwed with a threaded rod. The indicating mechanism is disposed on the housing and is axially interferable with the rotating member. The indicating mechanism includes at least one indicating portion. When the housing is rotated to drive the rotating member to move relative to the threaded rod and be abutted against an external object, the rotating member is axially interfered with the indicating mechanism and drives at least one said indicating portion to correspond to at least one said reference portion.