Mouse scroll wheel mechanism

Abstract

A mouse scroll wheel mechanism is provided, including: a wheel base and a wheel body, wherein the wheel base is provided with an axial hole, and a plurality of bearings are arranged at different positions in the axial hole; a rotating shaft extending outward is arranged at the center of the wheel body, and the rotating shaft is arranged in the plurality of bearings, so that the wheel body can rotate outside the wheel base, and the rotating shaft can also move in the bearing in an axial direction over a short distance so that the wheel body can move to a first position and a second position; a mechanical pressure traction structure is provided between the wheel body and the wheel base, the first position is a flywheel mode wherein the wheel body rotates freely, and the second position is a toggle mode wherein the wheel body rotates intermittently.

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