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    • 1. 发明专利
    • ウォータポンププーリユニット
    • 水泵单元
    • JP2014224502A
    • 2014-12-04
    • JP2013104249
    • 2013-05-16
    • Ntn株式会社Ntn CorpNtn株式会社
    • ISODA KOJIIZUTSU TOMOYOSHINAKAO GORO
    • F01P5/12F01P5/04F16C19/06F16C35/067
    • F16C13/006F01P5/04F16C19/06F16C2361/63
    • 【課題】樹脂製のプーリを用いて軽量化を図りつつ、耐久性に優れ、製造コストも低減できるウォータポンププーリユニットを提供する。【解決手段】ウォータポンププーリユニット1は、内輪3および外輪4を有する主軸受2と、外輪4側に固定される樹脂製のプーリ6と、外輪4と回転軸8とを連結する連結部材7とを備え、プーリ6で受ける動力を連結部材7を介して回転軸8側に伝達する外輪回転式のユニットであり、連結部材7は、外輪4とプーリ6との間で該外輪4の外径に固定され、プーリ6は連結部材7を介して外輪4側に固定され、プーリ6は、射出成形により連結部材7に一体に成形されている。【選択図】図1
    • 要解决的问题:提供一种耐久性优异且能够降低生产成本的水泵滑轮单元,同时通过使用树脂滑轮节省重量。解决方案:水泵滑轮单元1是外圈旋转型单元,包括: 主轴承2具有内圈3和外圈4; 由固定在外圈4侧的树脂制成的滑轮6; 以及用于连接外圈4和旋转轴8的连接构件7,其中由滑轮6接收的动力通过连接构件7传递到旋转轴8的侧面。连接构件7固定在 外圈4和滑轮6之间的外圈4的外径,滑轮6通过连接构件7固定在外圈4的侧面,并通过注射成型与连接构件7一体地模制。
    • 3. 发明专利
    • Clutch unit
    • 离合器
    • JP2014077506A
    • 2014-05-01
    • JP2012225974
    • 2012-10-11
    • Ntn CorpNtn株式会社
    • KAWAI MASAHIROISODA KOJI
    • F16D41/08B60N2/16F16D41/06
    • PROBLEM TO BE SOLVED: To easily stabilize a lever operation by suppressing increase of play of an operation lever.SOLUTION: A clutch unit includes a lever-side clutch portion disposed at an input side and controlling transmission/blockage of rotary torque input by lever operation, and a brake-side clutch portion disposed at an output side, transmitting the rotary torque from the lever-side clutch portion to the output side, and blocking the rotary torque inversely input from the output side, the lever-side clutch portion includes a lever-side side plate 13 provided with an operation lever, a washer 31 for preventing slip-off of a component of the lever-side clutch portion, is press-fitted into a shaft portion 22a of an output shaft 22 of the brake-side clutch portion, an outer diameter-side end portion of the washer 31 and an inner diameter-side end portion of the lever-side side plate 13 are opposed to each other, and an axial clearance 60 to stabilize the lever operation, is provided between the outer diameter-side end portion of the washer 31 and the inner diameter-side end portion of the lever-side side plate 13.
    • 要解决的问题:通过抑制操作杆的弹奏的增加来容易地稳定杠杆操作。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,并且通过杠杆操作控制输入/阻塞的转矩转矩 以及设置在输出侧的制动器侧离合器部分,将来自杠杆侧离合器部分的旋转扭矩传递到输出侧,并阻止从输出侧反向输入的旋转扭矩,杠杆侧离合器部分包括 设有操作杆的杠杆侧侧板13,用于防止杆侧离合器部件的脱落的垫圈31被压配合到制动侧的输出轴22的轴部22a 离合器部分,垫圈31的外径侧端部和杠杆侧侧板13的内径侧端部彼此相对,并且提供用于稳定杠杆操作的轴向间隙60 在垫圈31的外径侧端部与杆侧侧板13的内径侧端部之间。
    • 4. 发明专利
    • Clutch unit
    • 离合器
    • JP2013224692A
    • 2013-10-31
    • JP2012096612
    • 2012-04-20
    • Ntn CorpNtn株式会社
    • ISODA KOJISAITO TAKAHIDE
    • F16D43/26B60N2/16F16D41/08F16D63/00
    • PROBLEM TO BE SOLVED: To smoothly and reliably transmit rotational torque from an inner ring or interrupt rotational torque from an output shaft.SOLUTION: A clutch unit comprises: a lever-side clutch part for controlling transmission and interruption of rotational torque input by a lever operation; and a brake-side clutch part 12 for transmitting rotational torque from the lever-side clutch part to an output side and for interrupting rotational torque reverse-input from the output side. The brake-side clutch part 12 includes: an inner ring 15 to which the rotational torque from the lever-side clutch part is input; a brake-side outer ring 23 with restricted rotation; an output shaft 22, which outputs rotational torque; an engaging element 27, which is arranged between the brake-side outer ring 23 and the output shaft 22 and which interrupts the rotational torque from the output shaft 22 by engagement and transmits the rotational torque from the inner ring 15 by disengagement; and a coil spring 28 and a cam 29, which engage the engaging element 27 by meshing in concave-convex parts 23a, 27a on interrupting the rotational torque and disengage the engaging element 27 by releasing meshing in the concave-convex parts 23a, 27a on transmitting the rotational torque.
    • 要解决的问题:从内圈平稳可靠地传递旋转扭矩或从输出轴中断转动转矩。解决方案:离合器单元包括:杠杆侧离合器部分,用于控制由杠杆输入的转矩输入的传动和中断 操作; 以及用于将来自杠杆侧离合器部分的旋转扭矩传递到输出侧并用于中断从输出侧反向输入的转矩的制动器侧离合器部分12。 制动侧离合器部12包括:输入来自杆侧离合器部的旋转扭矩的内圈15; 具有限制旋转的制动器侧外圈23; 输出轴22,其输出旋转力矩; 布置在制动器侧外圈23和输出轴22之间并通过接合中断来自输出轴22的旋转扭矩的接合元件27,通过脱离从内圈15传递旋转扭矩; 以及螺旋弹簧28和凸轮29,其通过在中断旋转扭矩的同时在凹凸部23a,27a中啮合而接合接合元件27,并且通过在凹凸部23a,27a中的啮合而脱离啮合元件27 传递转矩。
    • 5. 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
    • 6. 发明专利
    • Clutch unit
    • 离合器
    • JP2014037868A
    • 2014-02-27
    • JP2012180975
    • 2012-08-17
    • Ntn CorpNtn株式会社
    • KAWAI MASAHIROISODA KOJI
    • F16D41/08B60N2/16F16D41/06
    • PROBLEM TO BE SOLVED: To avoid such a trouble that an operation lever does not return into an initial position after lever operation due to inclining of an output shaft.SOLUTION: A clutch unit comprise: a lever side clutch part 11 which is provided on the input side and controls the transmission/cut-off of rotating torque input with lever operation; and a brake side clutch part 12 which is provided on the output side and transmits the rotating torque from the lever side clutch part 11 to the output side and cuts off the rotating torque reversely input from the output side. The brake side clutch part 12 includes an inner ring 15 to which the rotating torque from the lever side clutch part 11 is input, and an output shaft 22 to which the rotating torque from the lever side clutch part 11 is output. A shaft part 22a of the output shaft 22 is internally inserted into a portion of a cylindrical part 15b of the inner ring 15, and a washer 31 is pressed into the lever side end of the cylindrical part 15b of the inner ring 15 for preventing the coming off of a constituent component of the lever side clutch part 11.
    • 要解决的问题:为了避免操作杆由于输出轴倾斜而在操纵杆操作之后不返回到初始位置的问题。解决方案:离合器单元包括:杆侧离合器部分11,其设置在 输入侧,通过杠杆操作控制旋转扭矩输入的传输/切断; 以及设置在输出侧并将来自杠杆侧离合器部11的旋转扭矩传递到输出侧的制动器侧离合器部12,并且切断从输出侧反向输入的转矩。 制动器侧离合器部12包括输入来自杆侧离合器部11的旋转扭矩的内圈15和从杆侧离合器部11输出的转矩的输出轴22。 输出轴22的轴部22a内插入内圈15的圆筒部15b的一部分,并且将垫圈31压入内圈15的圆筒部15b的杆侧端部,以防止 脱离杆侧离合器部件11的构成部件。
    • 7. 发明专利
    • Clutch unit
    • 离合器
    • JP2012067793A
    • 2012-04-05
    • JP2010210816
    • 2010-09-21
    • Ntn CorpNtn株式会社
    • KAWAI MASAHIROMINENO YUMIKOKUBOTA NAOFUMIISODA KOJI
    • F16D15/00F16D41/06F16D41/08
    • PROBLEM TO BE SOLVED: To suppress the generation of abnormal noise due to vibration at the moment when a cylindrical roller is flicked away when the locking condition of the output shaft is canceled.SOLUTION: A clutch unit includes a lever side clutch part arranged in an input side and controlling transmission/cut off of rotational torque to the output side by lever operation and the brake side clutch part 12 arranged in the output side, transmitting input torque from the lever side clutch part to the output side, and cutting off reverse input torque from the output side, the steel made or solid resin made lever 41a is attached to the lever side clutch part 11 with a bolt 41h.
    • 要解决的问题:当输出轴的锁定状态被取消时,抑制在圆柱滚子被弹出的时刻由于振动引起的异常噪声的产生。 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,并通过杆操作控制向输出侧的转矩的传递/切断,以及布置在输出侧的制动器侧离合器部分12, 从杠杆侧离合器部分到输出侧的扭矩,并且从输出侧切断反向输入扭矩,钢制或固体树脂制成的杆41a用螺栓41h附接到杠杆侧离合器部分11。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Clutch unit
    • 离合器
    • JP2012031913A
    • 2012-02-16
    • JP2010170924
    • 2010-07-29
    • Ntn CorpNtn株式会社
    • KAWAI MASAHIROHAMAZAKI HIROMITSUSAITO TAKAHIDEISODA KOJI
    • F16D41/06A47C7/02B60N2/16F16D15/00F16D41/08
    • PROBLEM TO BE SOLVED: To restrain generation of an abnormal sound in a moment when a cylindrical roller is repelled away, by relieving concentration of bearing pressure generated by the cylindrical roller, 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 to the output side by lever operation, and a brake side clutch part 12 arranged on the output side, transmitting input torque from the lever side clutch part to the output side and cutting off inverse input torque from the output side. The brake side clutch part 12 includes the output shaft 22 for outputting torque, a brake side outer ring 23 for restricting rotation, an inner ring 15 for inputting the torque from the lever side clutch part and a plurality of pairs of cylindrical rollers 27 stored in pockets 15eand 15eof the inner ring 15 and controlling the transmission of the input torque from the inner ring 15 and the cutoff of the inverse input torque from the output shaft 22 by engagement-separation in a wedge clearance 26 formed between the brake side outer ring 23 and the output shaft 22. The narrow pocket 15eand the wide pocket 15eare alternately arranged along the peripheral direction.
    • 要解决的问题:通过减轻由圆柱滚子产生的轴承压力的集中,当释放输出轴的锁定状态时,为了抑制在圆筒滚子排出的时刻产生异常声音。 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,并且通过杠杆操作控制到输出侧的转矩的传递切断,以及布置在输出侧的制动器侧离合器部分12, 从杠杆侧离合器部分输出到输出侧的输入扭矩,并从输出侧切断反向输入扭矩。 制动器侧离合器部12包括用于输出扭矩的输出轴22,用于限制旋转的制动器侧外圈23,用于输入来自杆侧离合器部的扭矩的内圈15和存储在 并且控制内圈15的输入转矩的传递,并且控制内圈15的输入扭矩的传递 通过在制动器侧外圈23和输出轴22之间形成的楔形间隙26中的接合分离,从输出轴22切断反向输入扭矩。窄口袋15e 1 和宽口袋15e 2 沿周向方向交替布置。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Clutch unit
    • 离合器
    • JP2012026503A
    • 2012-02-09
    • JP2010165085
    • 2010-07-22
    • Ntn CorpNtn株式会社
    • KAWAI MASAHIROSATO KOJIMINENO YUMIKOISODA KOJI
    • F16D41/06
    • PROBLEM TO BE SOLVED: To prevent the buckling of a leaf spring caused by the flick-out of cylindrical rollers at the release of the lock state of an output shaft, and to suppress the generation of noise caused by vibration at the moment of the flick-out of the cylindrical rollers.SOLUTION: A clutch unit includes a lever-side clutch which is arranged at an input side and controls the transmission and blocking of rotation torque to an output side by a lever operation, and a brake-side clutch 12 which is arranged at an output side, transmits input torque from the lever-side clutch to the output side and blocks reverse input torque from the output side. The brake-side clutch 12 includes an output shaft 22 to which torque is output, a brake-side outer ring 23 whose rotation is constrained, and the cylindrical rollers 27 which are arranged at a wedge clearance 26 between the brake-side outer ring 23a and the output shaft 22, and controls the transmission of the input torque and the block of the reverse input torque by engagement and release between the brake-side outer ring 23 and the output shaft 22. An elastomer member 28 which urges force of separation to the cylinder rollers 27 is interposed between a pair of the cylindrical rollers 27.
    • 要解决的问题:为了防止在释放输出轴的锁定状态时由圆筒形滚筒滑出引起的板簧的弯曲,并且抑制由于此时的振动引起的噪声的产生 的圆柱滚子滑出。 解决方案:一种离合器单元,其包括设置在输入侧的杠杆侧离合器,并且通过杠杆操作来控制向输出侧的转矩的传递和阻挡;以及制动器侧离合器12,其布置在 输出侧将输出扭矩从杠杆侧离合器传递到输出侧,并阻止从输出侧的反向输入转矩。 制动器侧离合器12包括输出扭矩的输出轴22,其旋转被限制的制动器侧外圈23和布置在制动器侧外圈23a之间的楔形间隙26的圆柱形辊27 和输出轴22,通过制动侧外圈23和输出轴22之间的接合和释放来控制输入扭矩和反向输入扭矩的传递。弹性体构件28将促进分离力 圆筒辊27插入在一对圆柱滚子27之间。版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Rolling bearing
    • 滚动轴承
    • JP2014148991A
    • 2014-08-21
    • JP2013016339
    • 2013-01-31
    • Ntn CorpNtn株式会社
    • ISODA KOJI
    • F16C33/78F16C19/04F16J15/32
    • F16C33/7823F16C19/06F16C33/726F16C33/7856
    • PROBLEM TO BE SOLVED: To provide a rolling bearing capable of forming an optimum labyrinth clearance between a seal lip part and a bearing ring by keeping the contact surface pressure of the seal lip part on the bearing ring constant even when there is a variation in interference between the bearing ring and the seal lip part.SOLUTION: At a front end of a seal member body 8, a rolling bearing has a seal lip part 9 whose radial edge 9a has radial contact with an inner ring 1. The seal lip part 9 with a fishhook-shape in cross section has an area 9b which is bent at a waist portion 11 as an intermediate part in the radial direction to form a relief recess 13 in the outside face facing a bearing space, and obliquely extends from the radial edge 9a having radial contact to the outside of the bearing in a folding manner. The seal lip part 9 has a portion on the further front end side than the waist portion 11, as a tapered protruded portion 12 which is gradually narrowed toward the front end. A thickness t1 of the waist portion 11 is within a range of 25%-75% of a thickness t2 at the front end of the seal member body 8.
    • 要解决的问题:为了提供一种滚动轴承,其能够通过将轴承环上的密封唇部的接触面压力保持恒定,即使存在干涉变化,也能够在密封唇部与轴承环之间形成最佳的迷宫间隙 在轴承环和密封唇部之间。解决方案:在密封构件体8的前端,滚动轴承具有密封唇部分9,其径向边缘9a与内环1径向接触。密封唇部分9 具有鱼钩形状的横截面具有区域9b,该区域9b在作为径向的中间部分的腰部部分11处弯曲,以在面向轴承空间的外侧面中形成释放凹部13,并且从径向边缘 9a以折叠的方式径向接触到轴承的外部。 密封唇部9具有比腰部11更靠前端侧的部分,作为向前端逐渐变窄的锥形突出部12。 腰部11的厚度t1在密封构件体8的前端的厚度t2的25%〜75%的范围内。