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    • 2. 发明专利
    • 回転伝達装置
    • 旋转传动装置
    • JP2015038369A
    • 2015-02-26
    • JP2013169701
    • 2013-08-19
    • Ntn株式会社Ntn CorpNtn株式会社
    • KITAYAMA NAOTSUGUSASANUMA KYOHEIFUKUNARI MARINASAITO TAKAHIDESATO KOJIKAWAI MASAHIRO
    • F16D27/112F16D41/06F16D41/08
    • F16D41/088F16D27/108F16D27/112F16D2023/123
    • 【課題】アーマチュアから制御保持器への磁気の漏洩を抑制し、2方向クラッチを精度よく確実に機能させることができるようにした回転伝達装置を提供する。【解決手段】入力軸1と出力軸2に回転の伝達と遮断とを行なう2方向クラッチ10を設け、2方向クラッチの係合と解除を制御する電磁クラッチ50を、2方向クラッチの制御保持器16Aの外周部に形成された筒部24に圧入される連結筒54を外周に有し、連結筒の圧入によって制御保持器に連結されたアーマチュア51と、アーマチュアとの間に間隙をおいて軸方向に対向配置されたロータ52と、ハウジング3に支持されてロータ52と軸方向で対向し、通電によりアーマチュアに磁気吸引力を付与してロータに吸着させる電磁石53とで形成する。アーマチュアの連結筒と筒部の相対的な嵌合量を規制する規制手段60を設けて、アーマチュアの背面から筒部の端面に磁気が漏洩するのを防止する。【選択図】図1
    • 要解决的问题:提供一种旋转传递装置,其能够通过抑制从电枢到控制保持器的磁泄漏来高精度地确保双向离合器的功能。解决方案:双向离合器10设置在输入轴 1和输出轴2传递和阻止旋转,控制双向离合器的接合和分离的电磁离合器50由电枢51组成,电枢51具有压配合到形成在外周上的圆筒部分24的连接圆筒54 双向离合器的控制保持器16A的一部分在其外周上并且通过压配合连接筒而连接到控制保持器,与间隙轴向相对的电枢的转子52和由 壳体3,其与转子52轴向相对,并且通过通电而向电枢施加磁吸引力而吸附到转子。 限制装置60被设置为限制电枢和圆筒部分的连接圆筒的相对装配量,以防止从电枢的背面到圆柱形部分的端面的磁泄漏。
    • 4. 发明专利
    • 回転伝達装置
    • 旋转传动装置
    • JP2014202276A
    • 2014-10-27
    • JP2013078605
    • 2013-04-04
    • Ntn株式会社Ntn CorpNtn株式会社
    • KITAYAMA NAOTSUGUFUKUNARI MARINASASANUMA KYOHEIAKIYOSHI KOJIKAWAI MASAHIROSAITO TAKAHIDESATO KOJIMINENO YUMIKO
    • F16D41/08F16F15/02
    • 【課題】電磁クラッチにより2方向クラッチの係合、解除を制御する回転伝達装置において、電磁クラッチの作動時に発生する衝突音や振動の低減を図ることである。【解決手段】入力軸1と出力軸2の軸端部を覆うハウジング3内に入力軸1から出力軸2への回転の伝達と遮断とを行なう2方向クラッチ10および電磁クラッチ50を設け、その電磁クラッチ50の電磁石53に対する通電によりロータ52にアーマチュア51を吸着して2方向クラッチ10を形成する制御保持器16Aを軸方向に移動させ、その移動に伴ない制御保持器16Aと回転保持器16Bをポケット27の周方向幅が小さくなる方向に相対回転させて一対のローラ15を出力軸2の軸端部に設けられた外輪11の内周および入力軸1の軸端部に設けられた内輪13の外周に対して係合解除させる回転伝達装置において、ハウジング3に剛性の高い高剛性部Hとその高剛性部Hより剛性の低い低剛性部Lを交互に設けてアーマチュアの吸着時に発生する音振動を低減する。【選択図】図1
    • 要解决的问题:为了减少在电磁离合器的操作中产生的碰撞噪声和振动,在旋转传递装置中,双向离合器的接合和分离由电磁离合器控制。解决方案:在旋转传递装置中, 双向离合器10和用于传递和阻止从输入轴1到输出轴2的旋转的电磁离合器50设置在覆盖输入轴1和输出轴2的轴端部的壳体3中,电枢51 通过向电磁离合器50的电磁体53通电而轴向移动形成双向离合器10的控制保持器16A,并且控制保持器16A和旋转保持器16B沿着减小的方向相对旋转而被吸引到转子52 伴随运动的袋27的周向宽度使得一对辊15与外圈11d的内周接合或脱离 喷出在输出轴2的轴端部和设置在输入轴1的轴端部的内环13的外周。具有刚性低刚性部L的刚性高,刚性低的高刚性部H具有刚性低于 高刚性部分H交替地设置在壳体3上,以减少在吸引电枢时产生的声音振动。
    • 5. 发明专利
    • Speed reduction gear
    • 减速齿轮
    • JP2013024291A
    • 2013-02-04
    • JP2011158021
    • 2011-07-19
    • Ntn CorpNtn株式会社
    • SATO KOJISAITO TAKAHIDE
    • F16H13/08F16H35/10
    • PROBLEM TO BE SOLVED: To provide a reliable speed reduction gear capable of preventing outbreaks of a lock phenomenon in a speed reduction mechanism section when an excessive torque is applied to an eccentric disk.SOLUTION: An internal gear 3 is supported by a housing 1 which covers shaft end parts of both of an input shaft 7 and an output shaft 12. The eccentric disk 9, which can rotate in the internal gear 3, is provided in the shaft end part of the input shaft 7, and rolling bodies 19, which can roll along the outer radial surface of an outer ring of a bearing 11, are housed in a plurality of pockets 18 of a cage 14 disposed between the internal gear 3 and the bearing 11, which is pressed into the outer radial surface of the eccentric disk 9, in the shaft end part of the output shaft 12. The rotation of the input shaft 7 is reduced by the number of the internal teeth 4, and is transmitted to the output shaft 12. The eccentric disk 9 is configured to freely rotate relative to the input shaft 7, and a torque limiter mechanism 20, which cuts the transmission of the torque from the input shaft 7 to the eccentric disk 9 when the rotating torque being applied to the eccentric disk 9 exceeds a set torque, is provided between the eccentric disk 9 and the input shaft 7 so as to prevent outbreaks of a lock phenomenon.
    • 要解决的问题:提供一种可靠的减速装置,其能够在对偏心盘施加过大扭矩时能够防止减速机构部中的锁定现象的爆发。 解决方案:内齿轮3由覆盖输入轴7和输出轴12的轴端部的壳体1支撑。可在内齿轮3中旋转的偏心盘9设置在 输入轴7的轴端部分以及能够沿着轴承11的外圈的外径表面滚动的滚动体19被容纳在设置在内齿轮3之间的保持架14的多个凹部18中 以及被压入偏心盘9的外径向表面的轴承11在输出轴12的轴端部。输入轴7的旋转减少内齿4的数量,并且是 传递到输出轴12.偏心盘9构造成相对于输入轴7自由旋转;以及扭矩限制器机构20,其在转动时将转矩从输入轴7传递到偏心盘9 施加到偏心盘9的扭矩超过一定数量 t转矩设置在偏心盘9和输入轴7之间,以防止发生锁定现象。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Reduction device
    • 减速装置
    • JP2012177400A
    • 2012-09-13
    • JP2011039829
    • 2011-02-25
    • Ntn CorpNtn株式会社
    • SATO KOJIAKIYOSHI KOJINAKAKOJI MASAFUMI
    • F16H13/08F16C19/16F16C33/38F16C33/66F16C35/063F16C35/073
    • PROBLEM TO BE SOLVED: To provide a reduction device configured in such a manner that roller guiding bearings which are pressure-fitted on eccentric circular plates of an input shaft are stably installed to suppress reduction in the efficiency due to the coming out of the bearings.SOLUTION: The input shaft 7 is disposed so as to be coaxial with a stationary arranged internal gear 3, two eccentric circular plates 9 which can rotate within the internal gear 3 are provided to the input shaft 7, and roller guiding bearings 11 are pressure-fitted on the respective outer diameter surfaces of the eccentric circular plates 9. A circular protrusion 21 is provided between the two eccentric circular plates 9, and staking protrusions 22 are provided at an axially opposing end of the two eccentric circular plates 9 and an end on the opposite side thereof. The staking protrusions 22 and the annular protrusion 21 prevent the bearing 11 from moving in the axial direction.
    • 要解决的问题:提供一种减速装置,其构造成使得压力安装在输入轴的偏心圆盘上的滚子导向轴承被稳定地安装,以抑制由于出口而导致的效率的降低 轴承。

      解决方案:输入轴7设置成与固定的内齿轮3同轴,在内齿轮3内可旋转的两个偏心圆板9设置在输入轴7上,滚子导向轴承11 被压配合在偏心圆板9的各个外径表面上。圆形突起21设置在两个偏心圆形板9之间,并且铆钉突起22设置在两个偏心圆形板9的轴向相对端 在其相对侧的一端。 铆钉突起22和环形突起21防止轴承11沿轴向移动。 版权所有(C)2012,JPO&INPIT

    • 7. 发明专利
    • Roller type reduction device
    • 滚筒式减速装置
    • JP2012057725A
    • 2012-03-22
    • JP2010201800
    • 2010-09-09
    • Ntn CorpNtn株式会社
    • SATO KOJIUTSUNOMIYA SATOSHI
    • F16H1/32
    • PROBLEM TO BE SOLVED: To make a roller type reduction device compact in its axial length.SOLUTION: An input shaft 7 and an output shaft 11 are disposed so as to be coaxial with both shaft ends opposed, and an internal gear 3 is supported with a housing 1 covering the shaft ends of both shafts. Eccentric circular plates 9 which can rotate within the internal gear 3 are provided to shaft ends of the input shaft 7. The shaft end of the output shaft 11 is provided with a flange 12 and a cage 13 is provided at an outer circumference on one side surface of the flange 12. The cage 13 is formed with a plurality of pockets 16. A roller 17 rotatable along the outer ring outer diameter surface of a bearing 10 is housed in each of the pockets 16. The roller 17 is sequentially meshed with an internal tooth 4 of the internal gear 3 by the rotation of the eccentric circular plate 9 to reduce the speed of rotation of the input shaft 7 to be transmitted to the output shaft 11. On the inner diameter surface of the housing 1, radial bearing surfaces 18, 19 for guiding, with metal contact, the outer diameter surface of an opening side end of the cage 13 and the outer diameter surface of the flange 12 are provided, thus making the axial length compact.
    • 要解决的问题:使辊式减速装置的轴向长度紧凑。 解决方案:输入轴7和输出轴11设置成与两个相对的轴端同轴,内齿轮3由覆盖两个轴的轴端的壳体1支撑。 在内齿轮3内可以旋转的偏心圆板9设置在输入轴7的轴端。输出轴11的轴端设有凸缘12,保持架13设置在一侧的外周 保持架13形成有多个凹穴16.沿着轴承10的外圈外径表面可旋转的辊17容纳在每个凹穴16中。辊17依次与一个 内齿轮3的内齿4通过偏心圆板9的旋转而降低输入轴7的旋转速度以传递到输出轴11.在壳体1的内径表面上,径向支承面 18,19,用于以金属接触方式引导保持架13的开口侧端部的外径表面和凸缘12的外径表面,从而使轴向长度紧凑。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Clutch unit
    • 离合器
    • JP2012031911A
    • 2012-02-16
    • JP2010170921
    • 2010-07-29
    • Ntn CorpNtn株式会社
    • KAWAI MASAHIROSATO KOJIMINENO YUMIKOISODA KOJI
    • F16D41/06F16D41/08
    • PROBLEM TO BE SOLVED: To check generation of an abnormal sound by vibration, by preventing a spring from buckling when a cylindrical roller is repelled away when releasing a lock state of an output shaft.SOLUTION: The clutch unit includes a lever side clutch part arranged on the input side and controlling the transmission-cutoff of rotational torque by lever operation, and a brake side clutch part 12 arranged on the output side, transmitting input torque to the output side and cutting off inverse input torque from the output side. The brake side clutch part 12 includes an output shaft 22 for outputting torque, a brake side outer ring 23, and a plurality of pairs of cylindrical rollers 27 arranged in a wedge clearance 26 between the brake side outer ring 23 and the output shaft 22 and controlling the transmission of the input torque and the cutoff of the inverse input torque by engagement-separation between the brake side outer ring and the output shaft. A spiral spring 28 having a conical shape wound in a spiral shape so as to diametrically contract toward one cylindrical roller 27 from the other cylindrical roller 27 and energizing separation force to the mutual cylindrical rollers 27 making a pair, is interposed between the respective pairs of the cylindrical rollers 27.
    • 要解决的问题:当释放输出轴的锁定状态时,通过防止在圆柱滚子排斥时弹簧弯曲来检查振动产生异常声音。 解决方案:离合器单元包括设置在输入侧的杠杆侧离合器部分并且通过杠杆操作来控制转矩的变速器切断,以及布置在输出侧的制动器侧离合器部分12,将输入转矩传递到 输出侧,并从输出侧切断反向输入转矩。 制动器侧离合器部分12包括用于输出扭矩的输出轴22,制动器侧外圈23和布置在制动器侧外环23和输出轴22之间的楔形间隙26中的多对圆柱滚子27,以及 通过制动器侧外圈和输出轴之间的接合分离来控制输入转矩的传递和反向输入转矩的切断。 螺旋形弹簧28具有螺旋状的螺旋形状,以便从另一个圆柱滚子27向一个圆柱滚子27径向收缩,并且使一对成对的相互圆柱形的滚子27的分力作用在相应的一对 圆柱滚子27. COPYRIGHT:(C)2012,JPO&INPIT
    • 9. 发明专利
    • Reduction gear unit
    • 减速齿轮单元
    • JP2011140982A
    • 2011-07-21
    • JP2010002034
    • 2010-01-07
    • Ntn CorpNtn株式会社
    • SATO KOJISAITO TAKAHIDE
    • F16H1/32F16C19/26F16C19/55F16C33/34
    • PROBLEM TO BE SOLVED: To restrain a torque loss by preventing concentration of a load on a partial area in the peripheral direction of a ball bearing inner race arranged in an outer peripheral part of an eccentric shaft part. SOLUTION: An input shaft 12 and an output shaft 13 rotatably supported by a housing 11 and an internal gear 14 fixed to the housing 11 are coaxially arranged, and the eccentric shaft part 17 of a circular cross section is arranged on the input shaft 12. A ball bearing 19 is arranged in an outer peripheral part of the eccentric shaft part 17 via a roller bearing 18, and a plurality of rollers 21 are interposed between the internal gear 14 and the ball bearing 19 arranged in its inside, and an annular cage part 23 having a pocket 24 for holding the rollers 21 is arranged on the output shaft 13. When rotating the input shaft 12, the ball bearing 19 relatively rotates to the eccentric shaft part 17 by the roller bearing 18, and a partial area in the peripheral direction of an inner race 19a positioned outside in the radial direction of an eccentric part of the eccentric shaft part 17 is displaced in the peripheral direction without being fixed to a fixed position. Thus, a load from the eccentric part of the eccentric shaft part 17 does not continuously act only on the partial area becoming the same position to the peripheral direction among the inner race 19a of the ball bearing 19. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:通过防止设置在偏心轴部的外周部的球轴承内圈的周向的局部区域上的负荷集中来抑制扭矩损失。 解决方案:由壳体11可旋转地支撑的输入轴12和输出轴13同轴地布置,圆形横截面的偏心轴部17布置在输入端 滚珠轴承19经由滚子轴承18布置在偏心轴部17的外周部分中,并且多个辊21插入在内齿轮14和布置在其内部的滚珠轴承19之间,并且 具有用于保持辊21的凹部24的环状的保持架部23配置在输出轴13上。当旋转输入轴12时,滚珠轴承19通过滚子轴承18相对于偏心轴部17旋转, 位于偏心轴部17的偏心部的径向外侧的内圈19a的圆周方向的区域在周向上位移而不固定在固定位置。 因此,来自偏心轴部17的偏心部的负荷不会连续地作用在与滚珠轴承19的内圈19a中的与圆周方向相同的位置的部分区域上。(C) 2011年,JPO&INPIT
    • 10. 发明专利
    • Reverse input cutoff clutch
    • 反向输入切割离合器
    • JP2010242801A
    • 2010-10-28
    • JP2009090092
    • 2009-04-02
    • Ntn CorpNtn株式会社
    • SATO KOJISAITO TAKAHIDE
    • F16D41/06F16D41/08
    • PROBLEM TO BE SOLVED: To achieve the improvement of accuracy of an elastic member and cost reduction with regard to a reverse input cutoff clutch. SOLUTION: The reverse input cutoff clutch includes: input/output shafts 22, 23; a fixed outer ring 21; rollers 30a, 30b provided engageably and disengageably between the fixed outer ring 21 and the output shaft 23; and an elastic member 32 energizing the rollers 30a, 30b in the direction of being engaged between the fixed outer ring 21 and the output shaft 23. The clutch also includes: a lock means, which locks the output shaft 23 to reverse input torque and releases a lock state to the rotary torque from the input shaft 22; a torque transmission means, which is provided between the input/output shafts 22, 23 to transmit the rotary torque from the input shaft 22 to the output shaft 23 in a lock releasing state; and a partition member 33, which makes independent respectively the pressing forces of the elastic member 32 acting on the rollers 30a and 30b on transmission of the torque from the input shaft 22. The elastic member 32 is structured with elastic pieces 32a, 32b, which make the pressing forces act on the rollers 30a, 30b respectively. The elastic pieces 32a, 32b are each secured to the partition member 33 via a connection part 37. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了实现弹性构件的精度的提高和相对于反向输入切断离合器的成本降低。

      解决方案:反向输入切断离合器包括:输入/输出轴22,23; 固定外圈21; 在固定外圈21和输出轴23之间可啮合地和可分离地设置的滚子30a,30b; 以及弹性构件32,其沿着固定外圈21和输出轴23的接合方向对辊30a,30b通电。离合器还包括:锁定装置,其锁定输出轴23以反转输入扭矩并释放 来自输入轴22的旋转扭矩的锁定状态; 设置在输入/输出轴22,23之间以在锁定释放状态下将旋转扭矩从输入轴22传递到输出轴23的扭矩传递装置; 以及分隔构件33,其分别独立于在从输入轴22传递扭矩时作用在辊30a和30b上的弹性构件32的按压力。弹性构件32由弹性片32a,32b构成,弹性构件32 使挤压力分别作用在辊30a,30b上。 弹性片32a,32b各自经由连接部37固定在分隔构件33上。版权所有(C)2011,JPO&INPIT