To provide a shaft connection structure that can absorb an alignment error, can connect a pair of shafts without increasing the number of components, and can shorten the entire length of a connection part.SOLUTION: A male spline connection part 76 provided at the rear end part of an upper output shaft 73, which is formed by forming a plurality of male spline teeth 78 on the outer surface of a hemispherical convex part 77, and a female spline connection part 21 provided at the front end part of a lower shaft 19, which is formed by forming a plurality of female spline teeth 23 on the inner surface of a hemispherical concave part 22, are connected by inserting the hemispherical convex part 77 into the hemispherical concave part 22 and spline-engaging each of the male spline teeth 78 and each of the female spline teeth 23.SELECTED DRAWING: Figure 12
【課題】アライメント誤差を吸収できるとともに、1対のシャフト同士を部品点数を増加させることなく接続でき、かつ、接続部の全長を短くできる、シャフト接続構造を提供する。【解決手段】複数の雄スプライン歯78を半球状凸部77の外面に形成してなる、アッパ側出力シャフト73の後側の端部に備えられた雄スプライン接続部76と、複数の雌スプライン歯23を半球状凹部22の内面に形成してなる、ロアシャフト19の前側の端部に備えられた雌スプライン接続部21とを、半球状凹部22の内側に半球状凸部77を挿入し、かつ、雄スプライン歯78のそれぞれと雌スプライン歯23のそれぞれとをスプライン係合させることにより接続する。【選択図】図12
SHAFT CONNECTION STRUCTURE, MOTOR WITH SPEED REDUCER, ELECTRIC POWER STEERING DEVICE, AND STEERING UNIT FOR STEER-BY-WIRE
シャフト接続構造、減速機付モータ、電動式パワーステアリング装置及びステアバイワイヤ用操舵ユニット
2022-05-19
Patent
Electronic Resource
Japanese
CONTROL UNIT, ELECTRIC POWER STEERING DEVICE, STEERING SYSTEM, AND STEER-BY-WIRE SYSTEM
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