Patent ID: 9646786
Date: 2017-05-09
CPC Classifications: H01H,H03K

Claim:
1. A Hall Principle-based LED lit mechanical keyboard switch, wherein it comprises a keymodule, permanent magnet, housing, LED lamp, Hall switch, elastic strip, top cover and spring; The said keymodule consists of a plunger and a slider, the said plunger and slider are either fixedly or movably connected; the said plunger has a key on its top and a first locating pole at its bottom; the said slider has magnet mounting slot on its side wall, and the said permanent magnet is provided in the said magnet mounting slot; a second locating pole is provided at the bottom center inside the said housing, the said second locating pole is provided with a guide hole at its center, and a LED lamp mounting hole is provided on one side in the said housing, which is intended for mounting the said LED lamp; Hall switch mounting hole and plunger slideway are provided on the neighboring side next to the side of the said housing on which the said LED lamp mounting hole is provided, the said Hall switch mounting hole is used for mounting the said Hall switch, and the said plunger and plunger slideway are in a sliding fit; elastic strip mounting hole is provided on the side opposite the side of the said housing on which the said LED lamp mounting hole is provided, which is used for mounting the said elastic strip; the said top cover is removably covered on the said housing, and the said top cover and the housing are engaged to form a cavity; inside the said cavity, the said key passes through the top of the said top cover, and the said first locating pole is embedded in the guide hole, and the said first locating pole can move up and down along the said guide hole; the said spring is located between the said keymodule and the housing, one end of the said spring is connected with the said first locating pole, and its other end is connected with the said second locating pole.