Mouse Wheel Fast Scrolling Module with Magnetic Positioning
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Solution Overview
Problem
Conventional mouse wheel structures are complex and difficult to switch quickly between ratchet mode and free-spin mode, limiting the ability to control switching components by flicking the wheel due to reliance on elastic forces and complicated adjustment mechanisms.
Innovation Solution
A wheel device with a fixing unit, wheel unit, and mobile unit, where the mobile unit translates between positions to engage or disengage with a ratchet tooth surface, allowing for simple and fast switching between modes, and includes a magnetic positioning system for easy mode shifting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional mouse wheel structures use elastic forces and complicated adjustment mechanisms to switch between ratchet mode and free-spin mode, then the wheel can control switching components, but the structure becomes complex and difficult to switch quickly
Solution Approach 1:
The patent extracts the elastic force mechanism from the wheel device, eliminating the need for complicated adjustment mechanisms. The mobile unit translates under user input directly to engage or disengage the ratchet tooth surface, removing the elastic force component while maintaining the switching function between ratchet mode and free-spin mode.
Solution Approach 2:
The patent replaces the elastic force-based mechanical system with a direct translation mechanism. The mobile unit translates linearly to control engagement with the ratchet tooth surface, substituting the complex elastic force adjustment system with a simpler direct mechanical translation system that responds immediately to user input.
2Speed
If the wheel structure relies on elastic forces to maintain ratchet mode engagement, then the wheel can control scrolling, but the switching to free-spin mode is slow and difficult
Solution Approach 1:
The patent extracts the elastic force element from the system, eliminating the delay associated with elastic force discharge. The mobile unit translates directly under user input to disengage the ratchet tooth surface, enabling immediate switching to free-spin mode without waiting for elastic force release.
Solution Approach 2:
The mobile unit is positioned to translate directly upon user input, preparing the engagement/disengagement action in advance. This preliminary positioning allows the wheel to switch modes immediately when the user applies force, without requiring intermediate elastic force adjustment steps.
3Adaptability or versatility
If conventional wheel structures use complicated adjustment mechanisms to control lever position, then ratchet mode can be maintained, but the ability to flick the wheel for fast scrolling is limited
Solution Approach 1:
The patent removes the complicated adjustment mechanism that controlled lever position perpendicular to the gear tooth surface. Instead, the mobile unit translates directly to control engagement, enabling the wheel to be flicked freely for fast scrolling while maintaining the ability to engage ratchet mode when needed.
Solution Approach 2:
The patent makes the engagement mechanism dynamic by allowing the mobile unit to translate freely in response to user input. This dynamic translation enables the wheel to switch between locked ratchet mode and free-spin mode as needed, providing both controlled scrolling and fast scrolling capabilities.
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 quick and easy switching between ratchet and free-spin modes, allowing the wheel to control a switch without resistance, providing a clear click feeling and simplifying the structure for user-friendly operation.
Implementation Method 1
an elastic supportive body (52) disposed on the moving body (51)... the elastic supportive body (52) pushes against the ratchet tooth surface (42)
Implementation Method 2
includes a magnetic positioning system for easy mode shifting
Data Source
AI summary
A wheel device with fast scrolling module, comprises a fixing unit, a wheel unit, and a mobile unit. The wheel unit includes a wheel disposed on the fixing unit, and a ratchet tooth surface disposed on the wheel. The wheel rotates relative to a first bracket. The mobile unit is translated relative to the wheel unit, including a moving body disposed on the fixing unit, and an elastic supportive body disposed on the moving body. The mobile unit is movable between a first position and a second position. When the mobile unit is at the first position, the elastic supportive body touches the ratchet tooth surface, so that the wheel unit switches to ratchet mode. When the mobile unit is at the second position, the elastic supportive body is separated from the ratchet tooth surface, so that the wheel unit switches to free-spin mode.