The utility model provides an electronic
musical instrument keyboard, including the face shell and bottom shell who
butt joint into the casing, still include gyro wheel support structure, be located in the bottom shell inside, functional
potentiometer, rotatable installation in gyro wheel support structure, cross section is semicircular functional gyro wheel, functional gyro wheel bottom direct surface sinks in the bottom shell inside, functional gyro wheel top stretches out the face shell upwards, functional gyro wheel center installation in functional
potentiometer, gyro wheel reset spare, connect in gyro wheel support structure and functional gyro wheel between, reset buffer spare, be located in gyro wheel reset spare and gyro wheel support structure junction. The utility model provides electronic
musical instrument keyboard under the
diameter and rotation angle
stroke limit optimization functional gyro wheel
layout, realize
MIDI keyboard
thinning and portable, eliminate the larger rebound
noise of shorter elastic arm in the limited space, satisfy individualized color selection while reducing the cost, realize
assembly tolerance control, avoid partial deformation, warping in the
assembly process, realize circuit board device integration module stacking and guarantee the plug
assembly in place.