Retractable Scroll Wheel Switching Assembly
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Solution Overview
Problem
The exposed scroll wheel on traditional mice is prone to damage during carrying and movement due to external impacts, necessitating a protective mechanism to accommodate and safeguard the component.
Innovation Solution
A switching assembly comprising a fixing member, first and second guiding rods, and a moving member that allows the scroll wheel to be retractable within the mouse casing, utilizing a spiral-toothed structure to transition between operational and protective states, ensuring the scroll wheel's protection and usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the scroll wheel is exposed outside the casing for easy operation, then the ease of operation is improved, but the reliability deteriorates due to vulnerability to external impacts during carrying and movement
Solution Approach 1:
The scroll wheel is designed to be movable relative to the casing, transitioning between an exposed operational state and a retracted protective state. The switching assembly enables dynamic reconfiguration of the scroll wheel position based on whether the device is being used or transported, resolving the contradiction between accessibility and protection.
Solution Approach 2:
The scroll wheel can be nested within the casing when not in use, with the switching assembly providing the mechanical means for retraction. This nesting approach allows the vulnerable component to be housed within the protective casing structure, maintaining reliability while preserving operational accessibility when needed.
2Reliability
If the scroll wheel is retracted within the casing for protection, then the reliability is improved, but the ease of operation deteriorates due to additional switching operations required
Solution Approach 1:
The switching assembly is integrated with the scroll wheel mechanism itself, allowing the scroll wheel to serve dual functions: both as the operational component and as part of the switching mechanism. This self-service approach minimizes additional operational steps while enabling the protective retraction function.
3Reliability
If a protective mechanism is added to accommodate the scroll wheel, then the reliability is improved, but the device complexity increases due to additional components
Solution Approach 1:
The protective mechanism is merged with the existing scroll wheel assembly by integrating the switching assembly directly into the scroll wheel structure. This combining approach allows the protective function to be achieved without adding completely separate mechanisms, thereby limiting the increase in device complexity while still improving reliability.
Data Source
AI summary
A switching assembly for changing relative states of a first object and a second object is provided. The switching assembly includes a fixing member fixed on the first object, a first guiding rod, a second guiding rod, and a moving member movably disposed on the first object. The fixing member has a guiding rib with an extension direction parallel to a first axis, and the first guiding rod is slidably coupled to the guiding rib to move along the first axis. The second object is movably coupled to and driven by the moving member. The second guiding rod is pivoted between the first guiding rod and the moving member in the first axis. The first guiding rod is suited for being forced to move the second guiding rod and the moving member, so as to rotate the second guiding rod relative to the first guiding rod and the moving member.