TELESCOPIC ACTUATOR
PROBLEM TO BE SOLVED: To reduce abnormal noise and sound caused by wedge effect occurring on a thread surface of a slide portion between a feed screw shaft and a feed nut.SOLUTION: A telescopic actuator includes: a housing 30 which slidably holds an output rod 32 and restricts rotation of the output...
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Main Author | |
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Format | Patent |
Language | English Japanese |
Published |
04.04.2016
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Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To reduce abnormal noise and sound caused by wedge effect occurring on a thread surface of a slide portion between a feed screw shaft and a feed nut.SOLUTION: A telescopic actuator includes: a housing 30 which slidably holds an output rod 32 and restricts rotation of the output rod 32 in a circumferential direction; an end member 25a which connects the housing 30 with a vehicle body through a vehicle body side rubber bush joint 26a; and an end member 25b which connects the output rod 32 with a knuckle through a knuckle side rubber bush joint 26b. A rotation allowable part 31, which allows the housing 30 to rotate around an axis line L of the housing 30 only by a predetermined angle in the circumferential direction, is provided between the housing 30 and the vehicle body side rubber bush joint 26a.SELECTED DRAWING: Figure 3
【課題】送りねじ軸と送りナットとの摺動部位のねじ面に発生するくさび効果による異音や騒音等の発生を低減すること。【解決手段】出力ロッド32を摺動可能に保持すると共に、出力ロッド32の周方向への回転を規制するハウジング30と、車体側のゴムブッシュジョイント26aを介して、ハウジング30と車体とを接続するエンド部材25aと、ナックル側のゴムブッシュジョイント26bを介して、出力ロッド32とナックルとを接続するエンド部材25bとを備え、ハウジング30と車体側のゴムブッシュジョイント26aとの間には、ハウジング30の軸線Lを回動中心としてハウジング30が周方向へ所定角度だけ回動することを許容する回動許容部31が設けられる。【選択図】図3 |
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Bibliography: | Application Number: JP20140169045 |