JP2002098156A - Thrust needle roller bearing - Google Patents
Thrust needle roller bearingInfo
- Publication number
- JP2002098156A JP2002098156A JP2000291616A JP2000291616A JP2002098156A JP 2002098156 A JP2002098156 A JP 2002098156A JP 2000291616 A JP2000291616 A JP 2000291616A JP 2000291616 A JP2000291616 A JP 2000291616A JP 2002098156 A JP2002098156 A JP 2002098156A
- Authority
- JP
- Japan
- Prior art keywords
- flange
- needle roller
- roller bearing
- thrust needle
- diameter side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/588—Races of sheet metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、軌道輪一体型の
スラスト針状ころ軸受に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thrust needle roller bearing integrated with a bearing ring.
【０００２】[0002]
【従来の技術】スラスト針状ころ軸受には、ハウジング
やシャフトへの組み付けを容易にするために、ころと一
対の軌道輪を非分離とした一体型のものがある。この軌
道輪一体型のスラスト針状ころ軸受は、図６に例示する
ように、保持器５１に保持された複数の針状ころ５２
が、軸方向で対向する一対の軌道輪５３、５４の間に収
納され、軌道輪５３の外径側と軌道輪５４の内径側に設
けられた各鍔５５、５６の先端部に、それぞれ内向きの
爪５７と外向きの爪５８とがステーキングにより形成さ
れ、これらの各爪５７、５８を保持器５１の外径側と内
径側とに互い違いに係合させることにより、保持器５１
を仲介として針状ころ５２と一対の軌道輪５３、５４が
非分離とされている。なお、一対の軌道輪５３、５４が
相対回転できるように、各鍔５５、５６と保持器５１と
の間には、ラジアル隙間が設けられている。2. Description of the Related Art Thrust needle roller bearings include an integral type in which a roller and a pair of races are not separated to facilitate assembly to a housing or a shaft. As shown in FIG. 6, the thrust needle roller bearing integrated with the bearing ring includes a plurality of needle rollers 52 held by a holder 51.
Are housed between a pair of races 53, 54 facing each other in the axial direction, and the inner ends of the flanges 55, 56 provided on the outer diameter side of the race 53 and the inner diameter side of the race 54, respectively. Oriented claws 57 and outward claws 58 are formed by staking, and these claws 57, 58 are alternately engaged with the outer diameter side and inner diameter side of the retainer 51, whereby the retainer 51 is engaged.
, The needle roller 52 and the pair of races 53 and 54 are not separated. A radial gap is provided between each of the flanges 55 and 56 and the retainer 51 so that the pair of bearing rings 53 and 54 can rotate relative to each other.
【０００３】[0003]
【発明が解決しようとする課題】上述した従来の軌道輪
一体型のスラスト針状ころ軸受は、軌道輪間に偏心回転
が発生し、その偏心量が前記各鍔と保持器間に設けられ
たラジアル隙間よりも大きくなると、保持器が周方向の
一点で内外径を２つの鍔に挟持され、円滑な回転が妨げ
られる問題がある。また、保持器に摩耗や変形が発生し
て、保持器の機能が損なわれることもある。In the above-described conventional thrust needle roller bearing integrated with a bearing ring, eccentric rotation occurs between the bearing rings, and the amount of eccentricity is provided between each of the flanges and the retainer. If it is larger than the radial gap, the retainer is sandwiched between the two flanges at one point in the circumferential direction, which hinders smooth rotation. Further, the cage may be worn or deformed, and the function of the cage may be impaired.
【０００４】そこで、この発明の課題は、円滑な回転を
保証でき、かつ、保持器の機能が損なわれない軌道輪一
体型のスラスト針状ころ軸受を提供することである。[0004] It is an object of the present invention to provide a thrust needle roller bearing with an integral bearing ring that can guarantee smooth rotation and does not impair the function of the retainer.
【０００５】[0005]
【課題を解決するための手段】上記の課題を解決するた
めに、この発明は、保持器で保持された複数の針状ころ
が、軸方向で対向する一対の軌道輪の間に放射状に収納
されたスラスト針状ころ軸受において、前記一方の軌道
輪の内径側または外径側に他方の軌道輪側に向く鍔を設
け、前記鍔を内径側に設ける場合は、その先端部に外向
きの複数の爪を形成し、前記鍔を外径側に設ける場合
は、その先端部に内向きの複数の爪を形成して、この爪
を前記他方の軌道輪の内径側または外径側に係合させ
て、前記一対の軌道輪を非分離とする構成を採用した。According to the present invention, a plurality of needle rollers held by a retainer are radially accommodated between a pair of axially opposed races. In the thrust needle roller bearing, a flange is provided on the inner diameter side or outer diameter side of the one orbital ring toward the other orbital ring side. In the case where a plurality of claws are formed and the flange is provided on the outer diameter side, a plurality of inward claws are formed at the distal end thereof, and these claws are engaged with the inner or outer diameter side of the other race. In addition, a configuration is adopted in which the pair of races is not separated.
【０００６】すなわち、一方の軌道輪の内径側または外
径側に鍔を設け、この鍔の先端部に他方の軌道輪と係合
する複数の爪を形成することにより、軌道輪間に偏心回
転が発生しても保持器の内外径が挟持されない構成で、
両軌道輪を針状ころと非分離とした。That is, a flange is provided on the inner diameter side or the outer diameter side of one of the races, and a plurality of claws are formed at the tip of the flange so as to engage with the other race. The inner and outer diameter of the cage is not pinched even if
Both races were not separated from the needle rollers.
【０００７】前記一方の軌道輪に設けた鍔により、前記
他方の軌道輪を径方向に案内することにより、別途の案
内部を不要とし、かつ、軌道輪間の偏心量も小さく規制
することができる。The flange provided on one of the races guides the other race in the radial direction, thereby eliminating the need for a separate guide portion and restricting the amount of eccentricity between the races to be small. it can.
【０００８】前記一方の軌道輪に設けた鍔により、前記
保持器を径方向に案内することもできる。The retainer can be guided in a radial direction by a flange provided on the one raceway.
【０００９】前記鍔を設けた軌道輪の前記鍔とは内外径
反対側にも、前記他方の軌道輪側に向く鍔を設け、この
反対側の鍔により、前記保持器を径方向に案内すること
もできる。[0009] On the inner and outer diameters of the bearing ring provided with the flange, opposite to the inner and outer diameters, a flange facing the other bearing ring is provided, and the retainer is radially guided by the opposite flange. You can also.
【００１０】前記鍔に形成した爪を、前記他方の軌道輪
の内径側または外径側に設けた凹所に係合させることに
より、軸受の端面から爪が突出しないように設計するこ
とができ、軸受をコンパクトで組み付け対象部位の汎用
性が高いものとすることができる。[0010] By engaging the claw formed on the flange with a recess provided on the inner diameter side or the outer diameter side of the other race, it is possible to design so that the claw does not protrude from the end face of the bearing. In addition, the bearing can be made compact and the versatility of the assembly target portion can be made high.
【００１１】前記爪をステーキングで形成することによ
り、その成形加工を容易に行うことができる。[0011] By forming the nail by staking, the forming process can be easily performed.
【００１２】前記鍔に切欠き部を設けて、前記針状ころ
が保持された軸受内部を外部と連通させることにより、
軸受内部に潤滑油をスムーズに流入させることができ
る。爪付きの鍔の内外径反対側にも鍔を形成する場合
は、この反対側の鍔に切欠き部を設けてもよい。By providing a notch in the flange to allow the inside of the bearing holding the needle rollers to communicate with the outside,
Lubricating oil can smoothly flow into the bearing. In the case where a flange is also formed on the opposite side of the inner and outer diameters of the flange with claws, a notch may be provided on the opposite side of the flange.
【００１３】前記爪を形成した鍔を、前記一方の軌道輪
の外径側に設け、この鍔の先端部に外向きの突起を形成
することにより、ハウジング等への軸受の逆組み付けを
防止することができる。この突起もステーキングで形成
することができる。A flange having the claw is provided on the outer diameter side of the one race, and an outward projection is formed at a tip of the flange to prevent reverse mounting of the bearing to a housing or the like. be able to. This projection can also be formed by staking.
【００１４】前記一対の軌道輪のうち、少なくとも前記
鍔を設けた軌道輪を鋼板のプレス成形品とすることによ
り、軸受の製造コストを低減することができる。By making at least one of the pair of races provided with the flange as a press-formed product of a steel plate, the manufacturing cost of the bearing can be reduced.
【００１５】前記スラスト針状ころ軸受は、偏心回転が
発生しやすいトルクコンバータのタービンまたはインペ
ラと、ステータとの間に組み付けられる軸受に好適であ
る。The thrust needle roller bearing is suitable for a bearing which is assembled between a turbine or an impeller of a torque converter in which eccentric rotation easily occurs and a stator.
【００１６】[0016]
【発明の実施の形態】以下、図１乃至図５に基づき、こ
の発明の実施形態を説明する。図１（ａ）、（ｂ）は、
第１の実施形態を示す。このスラスト針状ころ軸受１
は、保持器２に保持された複数の針状ころ３が、軸方向
で対向する一対の軌道輪４、５の間に放射状に収納さ
れ、軌道輪４の外径側に設けられた鍔６の先端部に、内
向きの４つの爪７が周方向等間隔に形成され、これらの
爪７を軌道輪５の軸受端面側外周に設けられた環状凹部
８に係合させることにより、針状ころ３と一対の軌道輪
４、５が非分離とされている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 (a) and (b)
1 shows a first embodiment. This thrust needle roller bearing 1
A plurality of needle rollers 3 held by a retainer 2 are radially housed between a pair of races 4 and 5 facing each other in the axial direction, and a flange 6 provided on the outer diameter side of the race 4 Four inwardly extending pawls 7 are formed at equal intervals in the circumferential direction at the distal end of the bearing. The roller 3 and the pair of races 4, 5 are not separated.
【００１７】前記軌道輪４は薄鋼板をプレス成形したプ
レス成形品であり、各爪７はステーキングにより形成さ
れている。また、保持器２も薄鋼板製であり、環状のブ
ランクの内外径両側に鍔９、１０が折り曲げ折り返しで
形成され、これらの鍔９、１０間の中間環状部がハット
形断面に形成され、このハット形断面の部分に針状ころ
３を収納するポケット（図示省略）が放射状に設けられ
ている。The race 4 is a press-formed product obtained by press-forming a thin steel plate, and each claw 7 is formed by staking. The retainer 2 is also made of a thin steel plate, and flanges 9 and 10 are formed by bending and folding on both inner and outer diameter sides of the annular blank, and an intermediate annular portion between these flanges 9 and 10 is formed in a hat-shaped cross section. A pocket (not shown) for accommodating the needle roller 3 is radially provided in the hat-shaped cross section.
【００１８】このスラスト針状ころ軸受１は、外径がハ
ウジングに組み付けられるハウジング組み付け型のもの
であり、ハウジングへの逆組み付けを防止できるよう
に、鍔６の先端部には、外向きの突起１１が１８０°の
位相で２箇所に設けられている。これらの突起１１もス
テーキングにより形成されている。The thrust needle roller bearing 1 is of a housing-assembled type having an outer diameter assembled to a housing, and has an outwardly projecting protrusion at a tip end of a flange 6 so as to prevent reverse assembly to the housing. 11 are provided at two positions with a phase of 180 °. These projections 11 are also formed by staking.
【００１９】前記鍔６の内径と軌道輪５および保持器２
の外径との間にはラジアル隙間が設けられ、ハウジング
に組み付けられる軌道輪４に対して、軌道輪５と保持器
２が鍔６に径方向を案内されて相対回転するようになっ
ている。また、鍔６には軸受内部へ潤滑油を流入させる
ための切欠き部１２が２箇所に設けられている。The inner diameter of the collar 6, the race 5 and the cage 2
A radial gap is provided between the outer ring and the outer diameter of the outer ring, and the orbital ring 5 and the retainer 2 are guided by the flange 6 in the radial direction and relatively rotate with respect to the orbital ring 4 assembled to the housing. . The flange 6 is provided with two notches 12 for allowing lubricating oil to flow into the bearing.
【００２０】図２（ａ）、（ｂ）は、それぞれ第１の実
施形態の変形例を示す。図２（ａ）の変形例は、軌道輪
５への前記環状凹部８の加工プロセスを省略し、鍔６の
先端部の各爪７を、軌道輪５の軸受端面側外周にそのま
ま係合させたものである。図２（ｂ）の変形例は、軌道
輪４の内径側にも鍔１３がプレス成形で形成され、保持
器２がこの鍔１３に径方向を案内されるようになってい
る。いずれの変形例も、その他の部分は第１の実施形態
と同じであるので、図１と同じ符号で表示した。FIGS. 2A and 2B show modifications of the first embodiment. In the modification of FIG. 2A, the process of forming the annular recess 8 on the bearing ring 5 is omitted, and the claws 7 at the distal end of the flange 6 are directly engaged with the outer periphery of the bearing ring 5 on the bearing end surface side. It is a thing. In the modification of FIG. 2B, a flange 13 is formed by press molding also on the inner diameter side of the bearing ring 4, and the retainer 2 is guided by the flange 13 in the radial direction. Since the other parts of each modified example are the same as those of the first embodiment, they are indicated by the same reference numerals as those in FIG.
【００２１】図３（ａ）、（ｂ）は、第２の実施形態を
示す。このスラスト針状ころ軸受１４はシャフト組み付
け型のものであり、保持器１５に保持された複数の針状
ころ１６が、軸方向で対向する一対の軌道輪１７、１８
の間に収納され、軌道輪１７の内径側に設けられた鍔１
９の先端部に、外向きの３つの爪２０が周方向等間隔に
形成され、これらの爪２０を軌道輪１８の軸受端面側内
周に設けられた環状凹部２１に係合させることにより、
針状ころ１６と一対の軌道輪１７、１８が非分離とされ
ている。FIGS. 3A and 3B show a second embodiment. The thrust needle roller bearing 14 is of a shaft-assembled type, and a plurality of needle rollers 16 held by a retainer 15 are provided with a pair of races 17 and 18 that are opposed in the axial direction.
And a collar 1 provided on the inner diameter side of the bearing ring 17.
9, three outwardly extending claws 20 are formed at regular intervals in the circumferential direction, and these claws 20 are engaged with an annular concave portion 21 provided on the inner periphery of the bearing ring 18 on the bearing end face side.
The needle roller 16 and the pair of races 17, 18 are not separated.
【００２２】シャフトに内径側が組み付けられる軌道輪
１７は薄鋼板のプレス成形品であり、第１の実施形態と
同様に、各爪２０はステーキングにより形成されてい
る。また、保持器１５も第１の実施形態と同様の形状を
した薄鋼板製のものである。The race 17 in which the inner diameter side is assembled to the shaft is a press-formed product made of a thin steel plate, and each claw 20 is formed by staking as in the first embodiment. The retainer 15 is also made of a thin steel plate having the same shape as in the first embodiment.
【００２３】この実施形態では、鍔１９の外径と軌道輪
１８および保持器１５の内径との間にラジアル隙間が設
けられ、軌道輪１８と保持器１５が鍔１９に径方向を案
内されて、軌道輪１７と相対回転するようになってい
る。また、鍔１９には軸受内部へ潤滑油を流入させるた
めの切欠き部２２が３箇所に設けられている。In this embodiment, a radial gap is provided between the outer diameter of the flange 19 and the inner diameters of the bearing ring 18 and the retainer 15, and the bearing ring 18 and the retainer 15 are guided by the flange 19 in the radial direction. , Relative to the bearing ring 17. The flange 19 is provided with three cutouts 22 for allowing lubricating oil to flow into the bearing.
【００２４】図４（ａ）、（ｂ）は、それぞれ第２の実
施形態の変形例を示す。図４（ａ）の変形例は、軌道輪
１８の環状凹部２１を省略し、鍔１９の先端部の各爪２
０を、軌道輪１８の軸受端面側内周にそのまま係合させ
たものである。図４（ｂ）の変形例は、軌道輪１７の外
径側にも鍔２３が形成され、保持器１５がこの鍔２３に
径方向を案内されるようになっている。いずれの変形例
も、その他の部分は第２の実施形態と同じであるので、
図３と同じ符号で表示した。FIGS. 4A and 4B each show a modification of the second embodiment. 4 (a) omits the annular recess 21 of the race 18 and replaces each of the claws 2 at the tip of the flange 19.
0 is directly engaged with the inner circumference of the bearing ring 18 on the bearing end face side. 4B, a flange 23 is also formed on the outer diameter side of the bearing ring 17, and the retainer 15 is guided by the flange 23 in the radial direction. In any of the modifications, the other parts are the same as those of the second embodiment.
The same reference numerals as those in FIG. 3 are used.
【００２５】図５は、第１および第２の実施形態のスラ
スト針状ころ軸受１、１４を、それぞれインペラ２４と
ステータ２５の間、およびタービン２６とステータ２５
の間に組み付けたオートマチックトランスミッションの
トルクコンバータを示す。FIG. 5 shows the thrust needle roller bearings 1 and 14 of the first and second embodiments, respectively, between the impeller 24 and the stator 25, and between the turbine 26 and the stator 25.
1 shows a torque converter of an automatic transmission assembled between the two.
【００２６】このトルクコンバータは、エンジンの出力
軸に連結されるインペラ２４と、トランスミッションの
入力軸に連結されるタービン２６とが対向配置され、ケ
ーシングに固定されるステータシャフトに一方向クラッ
チ２７を介してステータ２５が取り付けられるものであ
り、それぞれ椀状に形成されたインペラブレード２４ａ
とタービンブレード２６ａの間で還流する流体を、これ
らの内径側でタービン２６側からインペラ２４側へ戻す
際に、流体の流れ方向を変えてインペラ２４に順方向の
回転力を付与し、伝達トルクを増幅するものである。In this torque converter, an impeller 24 connected to an output shaft of an engine and a turbine 26 connected to an input shaft of a transmission are arranged to face each other, and a one-way clutch 27 is connected to a stator shaft fixed to a casing. The stator 25 is attached to the impeller blades 24a.
When returning the fluid circulating between the turbine blade 26a and the turbine blade 26a from the turbine 26 side to the impeller 24 side, the flow direction of the fluid is changed to impart a forward rotational force to the impeller 24, thereby transmitting the transmission torque. Is to amplify.
【００２７】前記スラスト針状ころ軸受１は、外周側に
鍔６を設けられた軌道輪４がインペラハブ２４ｂに組み
付けられ、スラスト針状ころ軸受１４は、内周側に鍔１
９を設けられた軌道輪１７がタービンハブ２６ｂに組み
付けられて、インペラ２４とタービン２６とがステータ
２５に対して相対回転できるようになっている。The thrust needle roller bearing 1 has a bearing ring 4 provided with a flange 6 on the outer peripheral side mounted on an impeller hub 24b. The thrust needle roller bearing 14 has a flange 1 on the inner peripheral side.
The bearing ring 17 provided with the bearing 9 is assembled to the turbine hub 26b so that the impeller 24 and the turbine 26 can rotate relative to the stator 25.
【００２８】前記インペラブレード２４ａとタービンブ
レード２６ａに作用する流体圧は、必ずしも周方向で一
様とはならないので、インペラ２４とタービン２６には
偏心回転が生じやすいが、前述したように、本発明に係
るスラスト針状ころ軸受１、１４は、偏心回転が生じて
も保持器２、１５が内外径を挟持されることがないの
で、インペラ２４とタービン２６の円滑な回転を保証で
き、保持器２、１５の機能が損なわれることもない。Since the fluid pressure acting on the impeller blades 24a and the turbine blades 26a is not always uniform in the circumferential direction, the impellers 24 and the turbine 26 are likely to be eccentrically rotated. In the thrust needle roller bearings 1 and 14 according to the above, the cages 2 and 15 do not sandwich the inner and outer diameters even if eccentric rotation occurs, so that the impeller 24 and the turbine 26 can be smoothly rotated. The functions of 2, 15 are not impaired.
【００２９】上述した各実施形態では、一対の軌道輪を
係合する鍔先端部の爪をステーキングにより形成した
が、鍔先端部に切り込みを入れて切り込み部を折り曲げ
る方法等によっても爪を形成することができる。In each of the above-described embodiments, the nail at the tip of the flange for engaging the pair of races is formed by staking. can do.
【００３０】[0030]
【発明の効果】以上のように、この発明のスラスト針状
ころ軸受は、一方の軌道輪の内径側または外径側に鍔を
設け、この鍔の先端部に他方の軌道輪と係合する複数の
爪を形成したので、軌道輪間に偏心回転が発生しても保
持器の内外径が挟持されない構成で、両軌道輪と針状こ
ろとを非分離とすることができる。As described above, in the thrust needle roller bearing of the present invention, a flange is provided on the inner or outer diameter side of one of the races, and the distal end of the flange is engaged with the other race. Since the plurality of claws are formed, the inner and outer diameters of the retainer are not clamped even when eccentric rotation occurs between the races, so that both races and the needle rollers can be inseparable.
【００３１】また、前記一方の軌道輪に設けた鍔によ
り、他方の軌道輪や保持器を径方向に案内することによ
り、別途の案内部を不要とし、かつ、軌道輪間の偏心量
も小さく規制することができる。In addition, the flange provided on one of the races guides the other race and the cage in the radial direction, so that a separate guide is not required and the amount of eccentricity between the races is small. Can be regulated.
【００３２】さらに、前記鍔に形成した爪を、他方の軌
道輪の内径側または外径側に設けた凹所に係合させるこ
とにより、軸受の端面から爪が突出しないように設計す
ることができ、軸受をコンパクトで組み付け対象部位が
汎用性の高いものとすることができる。Further, by designing the claw formed on the flange to engage with a recess provided on the inner diameter side or the outer diameter side of the other race, it is designed so that the claw does not protrude from the end face of the bearing. Thus, the bearing can be made compact and the assembly target portion has high versatility.
【図１】ａは第１の実施形態のスラスト針状ころ軸受を
示す縦断面図、ｂはａの側面図FIG. 1A is a longitudinal sectional view showing a thrust needle roller bearing according to a first embodiment, and FIG. 1B is a side view of a.
【図２】ａ、ｂはそれぞれ図１のスラスト針状ころ軸受
の変形例を示す縦断面図FIGS. 2a and 2b are longitudinal sectional views each showing a modified example of the thrust needle roller bearing of FIG. 1;
【図３】ａは第２の実施形態のスラスト針状ころ軸受を
示す縦断面図、ｂはａの側面図FIG. 3A is a longitudinal sectional view showing a thrust needle roller bearing according to a second embodiment, and b is a side view of a.
【図４】ａ、ｂはそれぞれ図３のスラスト針状ころ軸受
の変形例を示す縦断面図4A and 4B are longitudinal sectional views each showing a modified example of the thrust needle roller bearing of FIG. 3;
【図５】図１および図３のスラスト針状ころ軸受を組み
付けたトルクコンバータを示す縦断面図5 is a longitudinal sectional view showing a torque converter to which the thrust needle roller bearings of FIGS. 1 and 3 are assembled.
【図６】ａは従来のスラスト針状ころ軸受を示す縦断面
図、ｂはａの側面図6A is a longitudinal sectional view showing a conventional thrust needle roller bearing, and FIG. 6B is a side view of a.
１ スラスト針状ころ軸受 ２ 保持器 ３ 針状ころ ４、５ 軌道輪 ６ 鍔 ７ 爪 ８ 環状凹部 ９、１０ 鍔 １１ 突起１２ 切欠き部１３ 鍔 １４ スラスト針状ころ軸受 １５ 保持器 １６ 針状ころ １７、１８ 軌道輪 １９ 鍔 ２０ 爪 ２１ 環状凹部 ２２ 切欠き部 ２３ 鍔 ２４ インペラ ２４ａ インペラブレード ２４ｂ インペラハブ ２５ ステータ ２６ タービン ２６ａ タービンブレード ２６ｂ タービンハブ ２７ 一方向クラッチ DESCRIPTION OF SYMBOLS 1 Thrust needle roller bearing 2 Cage 3 Needle roller 4, 5 Track ring 6 Flange 7 Claw 8 Annular concave part 9, 10 Flange 11 Projection 12 Notch 13 Flange 14 Thrust needle roller bearing 15 Cage 16 Needle roller 17, 18 Track ring 19 Flange 20 Claw 21 Annular concave portion 22 Notch portion 23 Flange 24 Impeller 24a Impeller blade 24b Impeller hub 25 Stator 26 Turbine 26a Turbine blade 26b Turbine hub 27 One-way clutch
Claims (10)
軸方向で対向する一対の軌道輪の間に放射状に収納され
たスラスト針状ころ軸受において、前記一方の軌道輪の
内径側または外径側に他方の軌道輪側に向く鍔を設け、
前記鍔を内径側に設ける場合は、その先端部に外向きの
複数の爪を形成し、前記鍔を外径側に設ける場合は、そ
の先端部に内向きの複数の爪を形成して、この爪を前記
他方の軌道輪の内径側または外径側に係合させて、前記
一対の軌道輪を非分離としたことを特徴とするスラスト
針状ころ軸受。1. A plurality of needle rollers held by a holder,
In a thrust needle roller bearing radially housed between a pair of bearing rings opposed in the axial direction, a flange facing the other bearing ring is provided on the inner diameter side or the outer diameter side of the one bearing ring,
When the flange is provided on the inner diameter side, a plurality of outward claws are formed at the distal end thereof, and when the flange is provided on the outer radial side, a plurality of inward claws are formed at the distal end thereof, A thrust needle roller bearing characterized in that the pawls are engaged with the inner diameter side or the outer diameter side of the other race, so that the pair of races is not separated.
記他方の軌道輪を径方向に案内するようにした請求項１
に記載のスラスト針状ころ軸受。2. A flange provided on one of the races guides the other race in a radial direction.
A thrust needle roller bearing according to item 1.
記保持器を径方向に案内するようにした請求項１または
２に記載のスラスト針状ころ軸受。3. The thrust needle roller bearing according to claim 1, wherein the retainer is guided in a radial direction by a flange provided on the one race.
径反対側にも、前記他方の軌道輪側に向く鍔を設け、こ
の反対側の鍔により、前記保持器を径方向に案内するよ
うにした請求項１または２に記載のスラスト針状ころ軸
受。4. A flange that faces the other bearing ring side is also provided on the inner and outer diameter sides of the bearing ring provided with the flange on the opposite side of the inner and outer diameters, and the retainer is radially moved by the opposite flange. The thrust needle roller bearing according to claim 1 or 2, wherein the thrust needle roller bearing is guided.
輪の内径側または外径側に設けた凹所に係合させた請求
項１乃至４のいずれかに記載のスラスト針状ころ軸受。5. The thrust needle roller according to claim 1, wherein a claw formed on the flange is engaged with a recess provided on an inner diameter side or an outer diameter side of the other race. bearing.
のである請求項１乃至５のいずれかに記載のスラスト針
状ころ軸受。6. The thrust needle roller bearing according to claim 1, wherein said pawls are formed by staking.
ろが保持された軸受内部を外部と連通させた請求項１乃
至６のいずれかに記載のスラスト針状ころ軸受。7. The thrust needle roller bearing according to claim 1, wherein a notch portion is provided in the flange so that the inside of the bearing holding the needle rollers communicates with the outside.
輪の外径側に設け、この鍔の先端部に外向きの突起を形
成した請求項１乃至７のいずれかに記載のスラスト針状
ころ軸受。8. The thrust according to claim 1, wherein a flange having the claw is provided on an outer diameter side of the one race, and an outward projection is formed at a tip of the flange. Needle roller bearing.
記鍔を設けた軌道輪を鋼板のプレス成形品とした請求項
１乃至８のいずれかに記載のスラスト針状ころ軸受。9. The thrust needle roller bearing according to claim 1, wherein at least one of the pair of races provided with the flange is a press-formed product made of a steel plate.
コンバータのタービンまたはインペラと、ステータとの
間に組み付けられたものである請求項１乃至９のいずれ
かに記載のスラスト針状ころ軸受。10. The thrust needle roller bearing according to claim 1, wherein the thrust needle roller bearing is assembled between a turbine or an impeller of a torque converter and a stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000291616A JP2002098156A (en) | 2000-09-26 | 2000-09-26 | Thrust needle roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000291616A JP2002098156A (en) | 2000-09-26 | 2000-09-26 | Thrust needle roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002098156A true JP2002098156A (en) | 2002-04-05 |
Family
ID=18774666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000291616A Withdrawn JP2002098156A (en) | 2000-09-26 | 2000-09-26 | Thrust needle roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002098156A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006200724A (en) * | 2005-01-24 | 2006-08-03 | Ntn Corp | Thrust bearing for automatic transmission |
| WO2009001636A1 (en) * | 2007-06-28 | 2008-12-31 | Ntn Corporation | Rocking bearing outer ring, rocking bearing, air disc brake device, fitting structure for rocking bearing outer ring |
| JP2009168222A (en) * | 2008-01-18 | 2009-07-30 | Nsk Ltd | Thrust roller bearing with race |
| EP2423524A4 (en) * | 2009-04-20 | 2016-09-21 | Nsk Ltd | Thrust roller bearing and method of manufacturing thrust race thereof |
-
2000
- 2000-09-26 JP JP2000291616A patent/JP2002098156A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006200724A (en) * | 2005-01-24 | 2006-08-03 | Ntn Corp | Thrust bearing for automatic transmission |
| WO2009001636A1 (en) * | 2007-06-28 | 2008-12-31 | Ntn Corporation | Rocking bearing outer ring, rocking bearing, air disc brake device, fitting structure for rocking bearing outer ring |
| US8632256B2 (en) | 2007-06-28 | 2014-01-21 | Ntn Corporation | Rocking bearing outer ring, rocking bearing, air disc brake device, and fitting structure of rocking bearing outer ring |
| JP2009168222A (en) * | 2008-01-18 | 2009-07-30 | Nsk Ltd | Thrust roller bearing with race |
| EP2423524A4 (en) * | 2009-04-20 | 2016-09-21 | Nsk Ltd | Thrust roller bearing and method of manufacturing thrust race thereof |
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|---|---|---|---|
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Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040921 |
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Effective date: 20061016 Free format text: JAPANESE INTERMEDIATE CODE: A761 |