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    • 5. 发明专利
    • Electric linear actuator
    • 电线式执行器
    • JP2006266310A
    • 2006-10-05
    • JP2005081815
    • 2005-03-22
    • Ntn CorpNtn株式会社
    • TATEISHI YASUSHI
    • F16H25/22F16H25/20F16H25/24
    • F16H25/2204F16H25/24F16H57/0006F16H2025/2043Y10T74/18576
    • PROBLEM TO BE SOLVED: To provide an electric linear actuator capable of suppressing occurrence of vibration and noise even when load and alternate load accompanying with vibration are applied to a ball screw to improve its quality. SOLUTION: This electric linear actuator 1 is provided with the ball screw 3 connected coaxially with an electric motor 5 and composed of a screw shaft 7, a nut 8 having a supporting shaft 12 for supporting a one end part of a link 2 at the outer periphery, and a ball 9 stored between the nut 8 and the screw shaft 7 to swing and move a link 2 through the supporting shaft 12 and a pair of supporting bearings 10, 11 for supporting the screw shaft 7 rotatably so as to prevent its travel in the axial direction. The supporting bearing 10 on an electric motor 5 side is used as a double row angular ball bearing and the supporting bearing 11 on the other side is used as a slide bearing among the pair of supporting bearings 10, 11. A chamfered part of 45° or less for an outer peripheral part is formed in a boundary part between an outer peripheral part of the screw shaft 7 forming a screw groove 7a and a supporting part 20 of the slide bearing 11. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供即使当伴随振动的负载和交替载荷施加到滚珠丝杠上以提高其质量时,也能够抑制振动和噪声的发生。 解决方案:该电动线性致动器1设置有与电动机5同轴连接的滚珠丝杠3,螺杆3由螺杆轴7,具有用于支撑连杆2的一个端部的支撑轴12的螺母8组成 并且在螺母8和螺杆轴7之间存储有用于使支撑件2通过支撑轴12摆动和移动的滚珠9,以及一对支承轴承10,11,用于可旋转地支承螺杆轴7以便 防止其在轴向移动。 电动机5侧的支撑轴承10用作双列角球轴承,另一侧的支撑轴承11用作一对支撑轴承10,11中的滑动轴承。45°的倒角部 在形成螺纹槽7a的螺杆轴7的外周部与滑动轴承11的支撑部20之间的边界部分形成有外周部。另外,(C)2007,JPO&INPIT
    • 9. 发明专利
    • 船外機の転舵装置および船外機艇
    • 外框电机的转向装置,外置电机
    • JP2016130061A
    • 2016-07-21
    • JP2015004298
    • 2015-01-13
    • ヤマハ発動機株式会社
    • ▲高▼瀬 裕章
    • B63H20/08B63H25/42
    • F16H25/2204B63H20/10B63H20/12B63H25/02F16H2025/2043F16H21/44F16H25/22
    • 【課題】船外機をチルトアップした場合に、船外機が船内にオーバーハングする量が大きくなるのを抑制することが可能な船外機の転舵装置を提供する。 【解決手段】この船外機の転舵装置200は、クランプブラケット34と、チルト軸341を介してクランプブラケット34に回動可能に支持されるスイベルブラケット35と、ステアリング軸351を介してスイベルブラケット35に回動可能に支持される転舵アーム36に連結された転舵機構部2とを備える。そして、転舵機構部2は、チルト軸341に対して前方で、かつ、略平行に配置されたガイド部21と、第1ピボット軸221を介して第2アーム部363に回動可能に連結され、ガイド部21に沿って移動する移動体22と、チルト軸341に対してオフセットした第2ピボット軸241周りにガイド部21を回動可能に支持する支持ブラケット23とを含む。 【選択図】図3
    • 要解决的问题:提供一种舷外马达的转向装置,其能够抑制舷外马达在船内的突出,当舷外马达向上倾斜时。舷外马达的转向装置200配备有 夹具支架34; 旋转支架35,其通过倾斜轴341由夹具支架34可旋转地支撑; 以及转向机构部分2,其联接到通过转向轴351由转动支架35可旋转地支撑的转向臂36.转向机构部分2包括设置在倾斜轴341之前并与之平行的引导部分21; 移动体22,通过第一枢轴221可旋转地联接到第二臂363,并且沿着引导部21移动; 以及支撑托架23,其支撑引导部分21,以绕偏置于倾斜轴341的第二枢转轴241旋转。图3
    • 10. 发明专利
    • Electric actuator
    • 电动执行器
    • JP2011114921A
    • 2011-06-09
    • JP2009268344
    • 2009-11-26
    • Ntn CorpNtn株式会社
    • TAKAHASHI TORUIKEDA YOSHINORISHIMIZU TATSUNORI
    • H02K7/06F16H25/20H02K11/00
    • F16H25/2015F16H25/2204F16H2025/2031F16H2025/2043F16H2025/2081H02K7/06H02K11/215Y10T74/18664
    • PROBLEM TO BE SOLVED: To provide an electric actuator that protects a rotating sensor from an external atmosphere, has a position detection mechanism, and is low in price and wide in general versatility. SOLUTION: The electric actuator has a ball screw mechanism 8 which converts the rotational motion of an electric motor 3 into the linear motion of a drive shaft 7 in the axial direction. An opening 21 is formed at a housing 2, a sensor case 22 composed of a synthetic resin is attached to the electric actuator so as to close the opening 21, the rotating sensor 9 is arranged in and resin-molded to a recess 27 of the sensor case 22, an oscillating link 13 engaged with a pin 12 which is protrusively arranged at the drive shaft 7 is arranged so as to be operable in an manner of pendular motion in conjunction with the linear motion of the drive shaft 7, a magnet 18 is attached to the end of a rotating shaft 17 which is a reference point of the pendular motion, the rotating sensor 9 is made to oppose the magnet 18 via a prescribed air gap, and a position of the drive shaft 7 is detected. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种保护旋转传感器免受外界气氛的电致动器,具有位置检测机构,并且价格低廉且通用性广泛。 解决方案:电致动器具有滚珠丝杠机构8,其将电动机3的旋转运动转换成驱动轴7沿轴向的直线运动。 在壳体2上形成开口21,将由合成树脂构成的传感器壳体22安装在电致动器上以闭合开口21,旋转传感器9布置在树脂模制到凹部27中 传感器壳体22与突出地布置在驱动轴7处的销12接合的摆动连杆13被布置成可与驱动轴7,磁体18的直线运动相结合的摆动运动 附接到作为摆动运动的基准点的旋转轴17的端部,旋转传感器9经由规定的气隙与磁体18相对,并且检测驱动轴7的位置。 版权所有(C)2011,JPO&INPIT