-
公开(公告)号：JP2010286083A
公开(公告)日：2010-12-24
申请号：JP2009142039
申请日：2009-06-15
Inventor： IKEDA YOSHINORI , SHIMIZU TATSUNORI
Abstract: PROBLEM TO BE SOLVED: To provide an electric actuator for improving reliability by enhancing position detecting accuracy without using a multistage gear even if using a potentiometer by directly detecting a position.
SOLUTION: A ball screw mechanism 8 is constituted of a screw shaft 15 connected to an electric motor 3, integrally supported to a drive shaft 7 so as to be non-rotatable with respect to a housing 2 and movable in the axial direction, and a nut 16 out-fitted to the screw shaft 15 via a large number of balls 17 and supported so as to be rotatable and immovable in the axial direction via a rolling bearing 18. The potentiometer 9 is positioned on and fixed to a reverse surface of the housing 2 in an upper part of the drive shaft 7. A tip of a joint part 11 is arranged so as to project to the inside of the housing 2, and one end of a rocking link 12 is connected to the tip. The other end of the rocking link is engaged with a pin 13 projected on the driving shaft 7, and arranged so that a pendulum motion can be performed by being interlocked with the linear motion of the drive shaft 7.
COPYRIGHT: (C)2011,JPO&INPITAbstract translation: 要解决的问题：即使通过直接检测位置来使用电位计，也可以提供一种通过提高位置检测精度而不使用多级齿轮来提高可靠性的电致动器。 解决方案：滚珠丝杠机构8由连接到电动机3的螺纹轴15构成，一体地支撑在驱动轴7上，以便相对于壳体2不能旋转并且可沿轴向移动 ，螺母16经由大量的滚珠17排出螺纹轴15，并通过滚动轴承18在轴向上可转动和不可移动。电位计9位于并固定在反向 壳体2的表面在驱动轴7的上部。接合部11的前端被布置成突出到壳体2的内部，摇摆连杆12的一端连接到尖端。 摆动连杆的另一端与突出在驱动轴7上的销13接合，并且布置成可以通过与驱动轴7的直线运动互锁来执行摆动。
版权所有（C ）2011，JPO＆INPIT
-
公开(公告)号：JP2010032012A
公开(公告)日：2010-02-12
申请号：JP2008196926
申请日：2008-07-30
Applicant: Honda Motor Co Ltd , Mitsuba Corp , Ntn Corp , Ntn株式会社 , 本田技研工業株式会社 , 株式会社ミツバ
Inventor： IKEDA YOSHINORI , HAYASHI TETSUYA , IIJIMA MASAKI
Abstract: PROBLEM TO BE SOLVED: To provide an electric linear actuator and an assembly method thereof that implement increased productivity by improved assembly.
SOLUTION: The method of assembling the electric linear actuator 1 having a two-shaft structure including a screw shaft 4 of a ball screw 7 and a rod shaft 8 disposed in parallel with the screw shaft 4 includes the steps of: setting balls 6 in a screw groove 5a of a nut 5 and inserting a pipe-like temporary shaft 14 into the nut 5 such that the balls 6 will not dislodge to assemble a nut subunit 15; and engaging the nut 5 of the nut subunit 15 with a coupling arm 9 pivoted outward of an opening 13 of a casing 2 by the pendulum motion on the axis of the rod shaft 8 to assemble the nut subunit 15. A wide assembly space can thus be secured irrespective of the casing 2 to implement improved assembly and increased productivity.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：提供一种电线性致动器及其组装方法，其通过改进的组装实现提高的生产率。 解决方案：具有包括滚珠丝杠7的螺杆轴4和与螺杆轴4平行设置的杆轴8的双轴结构的电动线性致动器1的组装方法包括以下步骤：将球 在螺母5的螺纹槽5a中插入管状临时轴14到螺母5中，使得球6不会移动以组装螺母子单元15; 并且将螺母子单元15的螺母5与通过杆轴8的轴线上的摆动运动枢转于壳体2的开口13的外侧枢转的联接臂9组合，从而组装螺母子单元15.因此，宽的组装空间可以 无论套管2如何实现改进的组装和提高的生产率。 版权所有（C）2010，JPO＆INPIT
-
公开(公告)号：JP2010007769A
公开(公告)日：2010-01-14
申请号：JP2008168184
申请日：2008-06-27
Applicant: Honda Motor Co Ltd , Ntn Corp , Ntn株式会社 , 本田技研工業株式会社
Inventor： IKEDA YOSHINORI , HAYASHI TETSUYA
Abstract: PROBLEM TO BE SOLVED: To provide an electric linear actuator with high reliability capable of dissolving a pressure variation in a boot when a rod shaft is actuated without deteriorating a dust-prevention property, a rust-prevention property, and airtightness.
SOLUTION: In a constitution of this electric linear actuator, a projecting portion 81 projecting outside a housing of a rod shaft 8 is covered with a bellows part 21, and the bellows part 21 is shrunk together with a reciprocating movement of the rod shaft 8. A ventilation hole 40 communicating a boot interior space S with a housing interior space is provided to the housing 2, and a filter mounting part 30 is provided to the ventilation hole 40.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：提供一种具有高可靠性的电动线性致动器，其能够在杆轴被致动时溶解靴子中的压力变化，而不会降低防尘性，防锈性和气密性。 解决方案：在这种电动线性致动器的结构中，突出在杆轴8的壳体外部的突出部分81被波纹部分21覆盖，并且波纹管部分21随着杆的往复运动而收缩 将壳体内部空间S与通风孔内部空间S连通的通气孔40设置在壳体2上，并且将过滤器安装部30设置在通风孔40上。（C）2010，JPO＆INPIT
-
公开(公告)号：JP2009270709A
公开(公告)日：2009-11-19
申请号：JP2008268309
申请日：2008-10-17
Applicant: Honda Motor Co Ltd , Ntn Corp , Ntn株式会社 , 本田技研工業株式会社
Inventor： HAYASHI TETSUYA , KAMOSHITA TORU , YONEYAMA TATSUYA , IKEDA YOSHINORI , TATEISHI YASUSHI
Abstract: PROBLEM TO BE SOLVED: To provide an electric linear actuator equipped with a compact stopper structure with high reliability even in a strength aspect without increasing the number of parts of a stopper member or the like. SOLUTION: The electric linear actuator is equipped with an electric motor 3, a screw shaft 4 supported freely rotatably and unable to move in an axial direction with respect to a housing 2, a ball screw 7 comprising a nut 5 fit on the screw shaft 4 via a multiplicity of balls and unrotatably supported so as to freely move in an axial direction, a rod shaft 8 provided in parallel with the screw shaft 4 of the ball screw 7, and a connection member 9 connecting the rod shaft 8 and a support shaft 12 projecting to the nut 5. It is composed such that rotational motion of the electric motor 3 is converted into axial movement of the rod shaft 8 via the ball screw 7. It is composed to regulate actual movement of the nut 5 by providing a stopper part 13 in a nut side connection part of the connection member 9, and abutting the stopper part 13 on an inner wall of the housing 2. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 要解决的问题：即使在强度方面，即使在不增加止动部件等的数量的情况下，也能够提供具有高可靠性的紧凑型止动器结构的电动线性致动器。 电动线性致动器配备有电动马达3，螺杆轴4，其自由旋转地支撑，并且不能相对于壳体2在轴向方向上移动;滚珠丝杠7，包括螺母5， 螺杆轴4通过多个滚珠，并且不可旋转地支撑以沿轴向方向自由移动;杆轴8，其与滚珠丝杠7的螺杆轴4平行设置;连接构件9，连接杆轴8和 支撑轴12突出到螺母5.它被构造成使得电动机3的旋转运动通过滚珠丝杠7转换成杆轴8的轴向运动。其构成是通过以下方式来调节螺母5的实际运动： 在连接构件9的螺母侧连接部分中设置止动件13，并且将止动件13抵靠在壳体2的内壁上。（C）2010年，JPO和INPIT
-
公开(公告)号：JP2009228767A
公开(公告)日：2009-10-08
申请号：JP2008074282
申请日：2008-03-21
Applicant: Nissan Motor Co Ltd , Ntn Corp , Ntn株式会社 , 日産自動車株式会社
Inventor： IKEDA YOSHINORI , TATEISHI YASUSHI , TANAKA YOSHIAKI
Abstract: PROBLEM TO BE SOLVED: To provide an actuator for an automobile capable of improving reliability in a system, by avoiding control trouble, by dispensing with a troublesome adjustment of a stopper position.
SOLUTION: A circular cover-shaped stopper 11 is arranged in an illustrated upper end part of a housing 7. A cylindrical projection part 11a is arranged on the outer periphery of an inner wall surface of the stopper 11, and is pressed in a recessed part 7a of an end part of the housing 7. When a ball screw shaft 4 is pulled in, an end part of the ball screw shaft 4 abuts on the inner wall surface of the stopper 11. A ring stopper 12 is arranged in an illustrated lower end part of the housing 8. A through-hole 12b is arranged in the substantial center of the stopper 12, and a shaft part 4d of the ball screw shaft 4 is inserted and fitted. When the ball screw shaft 4 projects, a shoulder part 4c of the ball screw shaft 4 abuts on an inner wall surface of the stopper 12.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题：为了提供一种能够提高系统可靠性的汽车的致动器，通过避免控制麻烦，通过分配停止位置的麻烦的调整。 解决方案：在壳体7的所示上端部设置有圆形的盖形止动器11.在止动器11的内壁面的外周配置有圆筒状突起部11a，并且被压入 壳体7的端部的凹部7a。当滚珠丝杠轴4被拉入时，滚珠丝杠轴4的端部与止动件11的内壁面抵接。环形挡块12配置在 壳体8的下端部示出。止动件12的大致中央配置有贯通孔12b，并且插入并安装滚珠丝杠轴4的轴部4d。 当滚珠丝杠轴4突出时，滚珠丝杠轴4的肩部4c与止动件12的内壁面抵接。（C）2010，JPO＆INPIT
-
Patent Agency Ranking
公开(公告)号：JP2008169862A
公开(公告)日：2008-07-24
申请号：JP2007001130
申请日：2007-01-09
Inventor： IKEDA YOSHINORI , TATEISHI YASUSHI
Abstract: PROBLEM TO BE SOLVED: To stably guide the movement of a rack shaft of a helical-tooth rack and pinion mechanism with small resistance.
SOLUTION: A holding member for holding the back face of a rack 1a is a roller member 5 having rolling contact with the back face of the rack 1a. Radial load applied from the rack shaft 1 to the roller member 5 and thrust load in both axial directions are supported by a needle roller bearing 9 and a pair of thrust needle roller bearings 10a, 10b. Thus, the movement of the rack shaft 1 of the helical-tooth rack and pinion mechanism can be stably guided with small resistance.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：为了稳定地引导具有小阻力的螺旋齿齿条和小齿轮机构的齿条轴的运动。 解决方案：用于保持齿条1a的背面的保持构件是与架子1a的背面滚动接触的辊构件5。 从齿条轴1向辊构件5施加的径向载荷和两个轴向的推力负载由滚针轴承9和一对推力滚针轴承10a，10b支撑。 因此，可以以较小的阻力稳定地引导螺旋齿齿条和小齿轮机构的齿条轴1的移动。 版权所有（C）2008，JPO＆INPIT
-
公开(公告)号：JP2007303514A
公开(公告)日：2007-11-22
申请号：JP2006130974
申请日：2006-05-10
Inventor： IKEDA YOSHINORI , TATEISHI YASUSHI
Abstract: PROBLEM TO BE SOLVED: To provide an electric linear actuator which can stably eliminate an axial backlash of a bearing for supporting a rotatable nut.
SOLUTION: The rotatable nut 5 of a ball screw mechanism 50 is rotatably supported by roller bearings 9, 10 fitted to inner peripheral surfaces of circular concave portions 11a, 12a formed in a housing 1. A tightening nut 13 is screwed into a female screw 12b formed at the inner peripheral surface of the circular concave portion 12a so as to urge the roller bearing 10 against a surface in the circular concave portion 12a vertical to the axial direction. Fastening pieces 12c are provided on the opening edge of the circular concave portion 12a of the housing 1. The fastening pieces 12c are fastened in recess portions 13b formed at the end surface of the tightening nut 13.
COPYRIGHT: (C)2008,JPO&INPITAbstract translation: 要解决的问题：提供一种能够稳定地消除用于支撑可旋转螺母的轴承的轴向间隙的电动线性致动器。 解决方案：滚珠丝杠机构50的可旋转螺母5由与形成在壳体1中的圆形凹部11a，12a的内周面嵌合的滚子轴承9,10可旋转地支撑。紧固螺母13旋入 阴螺纹12b形成在圆形凹部12a的内周面上，以将滚子轴承10推压在与轴向垂直的圆形凹部12a中的表面上。 紧固件12c设置在壳体1的圆形凹部12a的开口边缘上。紧固件12c紧固在形成于紧固螺母13的端面的凹部13b中。（C）2008 ，JPO＆INPIT
-
公开(公告)号：JP2007255605A
公开(公告)日：2007-10-04
申请号：JP2006081350
申请日：2006-03-23
Inventor： IKEDA YOSHINORI , SATO KOJI
Abstract: PROBLEM TO BE SOLVED: To facilitate size reduction and size management of a reverse input cutoff clutch by a simple means. SOLUTION: In this mounting structure of the reverse input cutoff clutch 20, the reverse input cutoff clutch 20 is housed in a housing 40. In the reverse input cutoff clutch 20, an input shaft 22 and an output shaft 23 are stored in a forward and backward rotatable manner in a fixed outer ring 21 in which rotation is restricted, the output shaft 23 is locked with respect to a reverse input torque from the output shaft 23, the locked state is released with respect to an input torque of the input shaft 22, and the input torque is transmitted to the output shaft 23. A cutout recess 43 is integrally formed on an axial opening end of the fixed outer ring 21, and a protrusion 44 is formed on a rim of a bottom part of a recess 41 of the housing 40. By fitting the protrusion 44 of the housing 40 to the cutout recess 43 of the fixed outer ring 21, the rotation of the reverse input cutoff clutch 20 is stopped with respect to the housing 40. COPYRIGHT: (C)2008,JPO&INPIT
Abstract translation: 要解决的问题：通过简单的手段便于反向输入切断离合器的尺寸减小和尺寸管理。
解决方案：在反向输入切断离合器20的安装结构中，反向输入切断离合器20容纳在壳体40中。在反向输入切断离合器20中，输入轴22和输出轴23被存储在 在旋转被限制的固定外圈21中以向前和向后可旋转的方式，输出轴23相对于来自输出轴23的反向输入扭矩被锁定，锁定状态相对于输入轴23的输入扭矩被释放 输入轴22，输入转矩传递给输出轴23.在固定外圈21的轴向开口端一体地形成有切口凹部43，在底部的边缘上形成有突起部44 通过将壳体40的突起44装配到固定外圈21的切口凹部43上，反向输入切断离合器20的旋转相对于壳体40停止。
COPYRIGHT （C）2008，JPO＆INPIT
-
公开(公告)号：JP2007239796A
公开(公告)日：2007-09-20
申请号：JP2006059882
申请日：2006-03-06
Inventor： IKEDA YOSHINORI , SATO KOJI
IPC: F16D41/08
Abstract: PROBLEM TO BE SOLVED: To facilitate miniaturization and dimension management of a reverse input cutoff clutch by a simple means. SOLUTION: This mounting structure of the reverse input cutoff clutch 20 houses the reverse input cutoff clutch 20 housing an input shaft 22 and an output shaft 23 in a fixed outer ring 21 of which rotation is restricted so as to rotate in normal and reverse directions and locking the output shaft 23 with respect to reverse input from the output shaft 23 and releasing a lock state with respect to input torque from the input shaft 22 and transmitting the input torque to the output shaft 23 in a housing 40. A protrusion 43 is integrally formed on an outside diameter of the fixed outer ring 21 along the axial direction, and the protrusion 43 is fitted into a recession groove 44 formed on an inner surface of the housing 40 along the axial direction, and thereby, the reverse input cutoff clutch 20 is prevented from being rotated with respect to the housing 40. COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题：通过简单的手段便于反向输入切断离合器的小型化和尺寸管理。 解决方案：反向输入切断离合器20的这种安装结构容纳反向输入切断离合器20，该反向输入切断离合器20将输入轴22和输出轴23容纳在固定的外环21中，该固定外环21的旋转被限制以便正常旋转， 相对于输出轴23的反向输入锁定输出轴23并且相对于来自输入轴22的输入转矩释放锁定状态，并将输入转矩传递到壳体40中的输出轴23.突起 43一体地形成在固定外圈21的轴向外径上，突起43嵌合在形成于壳体40的轴向的内表面的凹部槽44内， 防止离合器20相对于壳体40旋转。版权所有（C）2007，JPO＆INPIT
-
公开(公告)号：JP2007232085A
公开(公告)日：2007-09-13
申请号：JP2006054423
申请日：2006-03-01
Inventor： TATEISHI YASUSHI , IKEDA YOSHINORI
Abstract: PROBLEM TO BE SOLVED: To provide an inexpensive deflector-type ball screw having improved reliability while improving the rigidity of arms on a deflector member and securing the positioning accuracy and fixing force of the deflector member relative to a nut.
SOLUTION: The deflector-type ball screw comprises the deflector member 5 fitted to a deflector window 6 formed in a shell portion of the nut 3 and having a connection groove 5a using a rolling passage as a circuit. The deflector window 6 has an approximately circular cross section, and the deflector member 5 has an approximately circular cross section formed corresponding thereto with MIM of a sintered alloy. The pair of arms 9 are protruded on both sides of the deflector member 5, and ribs 9a are formed on both sides of the arms 9 extending along the axial direction and hung over in an annular space formed between the nut 3 and a screw shaft 2 to contact a land portion 3b of the nut 3. This improves the rigidity of the arms 9 on the deflector member 5 and sufficiently secures the positioning accuracy and fixing force of the deflector member 5 relative to the nut 3.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供一种廉价的偏转器型滚珠丝杠，其具有改进的可靠性，同时提高了偏转器构件上的臂的刚性并且确保了偏转构件相对于螺母的定位精度和固定力。 解决方案：偏转器型滚珠丝杠包括安装在形成在螺母3的外壳部分中的偏转窗6上并具有使用滚动通道作为回路的连接槽5a的偏转器构件5。 偏转器窗6具有近似圆形的横截面，并且偏转器构件5具有与烧结合金的MIM相应形成的大致圆形横截面。 一对臂9在偏转构件5的两侧突出，并且肋9a形成在沿着轴向延伸的臂9的两侧，并且悬挂在形成在螺母3和螺杆轴2之间的环形空间中 接触螺母3的陆部3b。这提高了偏转构件5上的臂9的刚度，并且充分地确保了偏转构件5相对于螺母3的定位精度和固定力。版权所有（ C）2007，JPO＆INPIT
-
-
-
-
-
-
-
-
-
Search Results
72
records
(took 0.044 seconds)
