JP2001050296A - Roller clutch - Google Patents
Roller clutchInfo
- Publication number
- JP2001050296A JP2001050296A JP11227179A JP22717999A JP2001050296A JP 2001050296 A JP2001050296 A JP 2001050296A JP 11227179 A JP11227179 A JP 11227179A JP 22717999 A JP22717999 A JP 22717999A JP 2001050296 A JP2001050296 A JP 2001050296A
- Authority
- JP
- Japan
- Prior art keywords
- roller
- elastic body
- retainer
- roller clutch
- tongue
- 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.)
- Granted
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
- F16D41/066—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical
- F16D41/067—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls all members having the same size and only one of the two surfaces being cylindrical and the members being distributed by a separate cage encircling the axis of rotation
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
- F16D2041/0605—Spring details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Rolling Contact Bearings (AREA)
- Springs (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、一方向クラッチ
または二方向クラッチ等のローラクラッチに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller clutch such as a one-way clutch or a two-way clutch.
【０００２】[0002]
【従来の技術】従来、ローラクラッチ形式の一方向クラ
ッチとして、図７，図８に示すものが使用されている。
このクラッチは、外輪５１の内周面に、内輪５２の外周
面との間に楔隙間を形成するカム面５７を設け、その隙
間にローラ５３を介在させ、ローラ５３を、保持器５４
の柱部５４ａに装着された弾性体５５でカム面５７に押
圧するように構成される。弾性体５５は、鋼板等の板ば
ねからなり、保持器５４の柱部５４ａに装着される装着
部５５ａと、この装着部５５ａから二又状に突出した一
対の舌片５５ｂとを有する。舌片５５ｂは、矩形の短冊
状に延びている。2. Description of the Related Art Conventionally, a roller clutch type one-way clutch shown in FIGS. 7 and 8 has been used.
In this clutch, a cam surface 57 that forms a wedge gap between the outer peripheral surface of an inner race 52 and an outer peripheral surface of an inner race 52 is provided on the inner peripheral surface of the outer race 51, and a roller 53 is interposed in the clearance.
The elastic body 55 attached to the column portion 54a of the second embodiment presses the cam surface 57. The elastic body 55 is made of a leaf spring such as a steel plate and has a mounting portion 55a mounted on the column portion 54a of the retainer 54, and a pair of tongue pieces 55b bifurcated from the mounting portion 55a. The tongue piece 55b extends in a rectangular strip shape.
【０００３】[0003]
【発明が解決しようとする課題】この種の一方向クラッ
チは、両端に支持軸受（図示せず）を取付けて使用する
ことが好ましいが、ローラ５３で転がり接触により、内
輪５２あるいは軸を回転自在に支持する機能も備える。
そのため、スペースやコスト等の観点から、軸受による
片持ち支持や、軸受なしで使用されることも多々ある。
このとき、特に、空転時に、軸の振れ回りが生じ、この
振れ回りによって弾性体５５の舌片５５ａの変位が大き
くなる。そのため、舌片５５ａに疲労が生じ易く、耐久
性の面で好ましくない。特に、曲げ応力の大きくなる舌
片５５ａの付け根の部分の耐久性が不足し易い。It is preferable to use a one-way clutch of this type with supporting bearings (not shown) attached to both ends, but the inner ring 52 or the shaft is rotatable by rolling contact with a roller 53. It also has a function to support it.
Therefore, from the viewpoints of space, cost, and the like, there are many cases where the bearing is used cantilevered by a bearing or without a bearing.
At this time, particularly, the shaft whirling occurs during idling, and the whirling increases the displacement of the tongue piece 55a of the elastic body 55. Therefore, the tongue piece 55a tends to be fatigued, which is not preferable in terms of durability. In particular, the durability at the base of the tongue piece 55a where the bending stress becomes large tends to be insufficient.
【０００４】この発明の目的は、ローラ押圧用の弾性体
の耐久性に優れたローラクラッチを提供することであ
る。An object of the present invention is to provide a roller clutch which is excellent in durability of an elastic body for pressing a roller.
【０００５】[0005]
【課題を解決するための手段】この発明のローラクラッ
チは、外輪の内周面、および内輪の外周面のうちの一方
の周面に形成され、他方の周面と楔隙間を形成するカム
面と、前記楔隙間に配置されたローラと、このローラを
保持する保持器と、この保持器の柱部とローラの間に介
在する弾性体とを備えたローラクラッチにおいて、前記
弾性体が一対の舌片を有し、この舌片の幅が、先端に向
かうに従って漸減することを特徴とする。特許請求の範
囲で言う内輪は、シャフトを含む意味である。また、こ
のローラクラッチは、一方向クラッチであっても、二方
向クラッチであっても良い。このように、ローラ押圧用
の舌片を、先端に向かうに従って幅が漸減する形状とし
たため、舌片の根元に作用する応力が小さくなり、舌片
の根元部の疲労が生じ難く、耐久性が向上する。このた
め、このローラクラッチを、軸受と併用せずに、あるい
は軸受で軸を片持ち支持した状態で使用しても、満足す
る耐久性を得ることができる。先端部を細くしても、根
元部の幅を適宜広げることで、全体が矩形の舌片の場合
と同等のローラ押圧力を得ることができる。また、幅の
変化を適宜設計することで、舌片の根元から先端まで等
しい応力のものとすることもできる。A roller clutch according to the present invention is formed on one of an inner peripheral surface of an outer race and an outer peripheral surface of an inner race, and forms a wedge gap with the other peripheral surface. And a roller arranged in the wedge gap, a retainer for holding the roller, and an elastic body interposed between the pillar of the retainer and the roller, wherein the elastic body comprises a pair of elastic bodies. It has a tongue, and the width of the tongue gradually decreases toward the tip. The inner ring referred to in the claims includes the shaft. The roller clutch may be a one-way clutch or a two-way clutch. As described above, since the width of the tongue for pressing the roller is gradually reduced toward the tip, the stress acting on the base of the tongue is reduced, and the root of the tongue is less likely to be fatigued, and durability is reduced. improves. Therefore, satisfactory durability can be obtained even when this roller clutch is used without being used together with a bearing or when the shaft is cantilevered by the bearing. Even if the tip portion is narrowed, by appropriately widening the width of the root portion, it is possible to obtain the same roller pressing force as in the case of a rectangular tongue piece as a whole. By appropriately designing the change in the width, the tongue piece can have the same stress from the root to the tip.
【０００６】この発明において、前記弾性体は、前記保
持器の前記柱部に装着される装着部と、ローラを押圧す
る一対の舌片とを有し、この舌片の幅が、先端に向かう
に従って漸減するものとしても良い。このようにローラ
押圧用の弾性体に、保持器に装着される装着部を設ける
ことで、この弾性体を安定して装着することができる。In the present invention, the elastic body has a mounting portion mounted on the pillar portion of the retainer, and a pair of tongues for pressing a roller, and the width of the tongues is directed toward the tip. It is good also as what decreases gradually according to. By providing the mounting portion to be mounted on the retainer on the elastic body for pressing the roller, the elastic body can be stably mounted.
【０００７】この発明の上記各構成のものにおいて、前
記弾性体が鋼板のプレス成形品であっても良い。鋼板の
プレス成形品であると、舌片は板ばねとなり、また舌片
の幅が漸減するような形状の弾性体を容易に形成するこ
とができる。特に、弾性体が前記の装着部と一対の舌片
とを有するものである場合に、弾性体の全体をプレス加
工で容易に形成することができる。In each of the above structures of the present invention, the elastic body may be a press-formed product of a steel plate. In the case of a press-formed product of a steel plate, the tongue piece becomes a leaf spring, and an elastic body having a shape in which the width of the tongue piece gradually decreases can be easily formed. In particular, when the elastic body has the mounting portion and the pair of tongue pieces, the entire elastic body can be easily formed by press working.
【０００８】この発明の上記各構成のものにおいて、弾
性体を鋼板製とする代わりに、ステンレス鋼板製として
も良い。ステンレス鋼板製とする場合も、舌片は板ばね
となり、また舌片の幅が漸減するような形状の弾性体を
容易に形成することができる。特に、弾性体が前記の装
着部と一対の舌片とを有するものである場合に、弾性体
の全体をプレス加工等で容易に形成することができる。
ステンレス鋼板製とした場合は、弾性体の錆の発生の問
題もなくなる。[0008] In each of the above constructions of the present invention, the elastic body may be made of a stainless steel plate instead of a steel plate. In the case where the tongue piece is made of a stainless steel plate, the tongue piece becomes a leaf spring and an elastic body having a shape in which the width of the tongue piece gradually decreases can be easily formed. In particular, when the elastic body has the mounting portion and the pair of tongue pieces, the entire elastic body can be easily formed by press working or the like.
When made of stainless steel plate, the problem of rust of the elastic body is eliminated.
【０００９】[0009]
【発明の実施の形態】この発明の一実施形態を図１ない
し図３に基づいて説明する。このローラクラッチは、外
輪１と内輪２の間に、複数のローラ３を介在させ、これ
らのローラ３を保持する保持器４と、各ローラ３を押圧
する複数の弾性体５を備えたものである。内輪１は、外
周面が円筒面に形成され、外輪１は、内周面の周方向複
数箇所に、内輪２の外周面との間に楔隙間を形成するカ
ム面７が形成されている。外輪１は、図示の例では鍔付
きとしてあるが、鍔無しであっても良い。ローラ３は、
上記の各楔隙間に配置されている。保持器４は、円筒状
に形成されて、各ローラ３が入る複数のポケット８が形
成されたものであり、隣合うポケット８，８間が柱部４
ａとなっている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. This roller clutch has a plurality of rollers 3 interposed between an outer ring 1 and an inner ring 2, and includes a retainer 4 for holding these rollers 3 and a plurality of elastic bodies 5 for pressing each roller 3. is there. The inner ring 1 has an outer peripheral surface formed into a cylindrical surface, and the outer ring 1 has cam surfaces 7 formed at a plurality of positions on the inner peripheral surface in the circumferential direction so as to form a wedge gap with the outer peripheral surface of the inner ring 2. The outer ring 1 is provided with a flange in the illustrated example, but may be without a flange. Roller 3
It is arranged in each wedge gap described above. The retainer 4 is formed in a cylindrical shape, and is formed with a plurality of pockets 8 into which the respective rollers 3 enter.
a.
【００１０】弾性体５は、保持器４の柱部４ａとローラ
３の間に介在してローラ３を外輪１のカム面７に押し付
けるものである。この例では、弾性体５は、その全体が
一体の鋼板のプレス成形品、またはステンレス鋼板のプ
レス成形品からなる板ばねとされている。弾性体５は、
保持器４の柱部４ａに装着される装着部５ａと、ローラ
３を押圧する一対の舌片５ｂ，５ｂとを有し、これら舌
片５ｂ，５ｂは、その幅が先端に向かうに従って漸減す
る形状とされている。これら舌片５ｂ，５ｂで、ローラ
３を、ローラ配列円の内径側から斜め外径側へ押圧して
いる。装着部５ａは、側面形状が逆Ｕ字状に形成され、
柱部４ａに弾性的に圧入状態に保持器外周側から被さっ
ている。The elastic body 5 is interposed between the column 4a of the retainer 4 and the roller 3, and presses the roller 3 against the cam surface 7 of the outer race 1. In this example, the elastic body 5 is a leaf spring formed entirely of a press-formed product of an integral steel plate or a press-formed product of a stainless steel plate. The elastic body 5
It has a mounting portion 5a mounted on the column 4a of the retainer 4 and a pair of tongue pieces 5b, 5b for pressing the roller 3, and the width of the tongue pieces 5b, 5b gradually decreases as it goes toward the tip. It is shaped. The tongues 5b, 5b press the roller 3 from the inner diameter side of the roller array circle to the oblique outer diameter side. The mounting portion 5a has an inverted U-shaped side shape,
The retainer is elastically pressed into the column portion 4a from the outer periphery of the retainer.
【００１１】図３に弾性体５を各方向から見た図を示す
ように、詳しくは、装着部５ａは、逆Ｕ字状を成す部分
の背面片部５ａａおよび上面片部５ａｂが、弾性体全幅
となる幅広部分とされ、前面片部５ａｃは、幅方向の略
中央部分だけの幅狭形状とされている。また、背面片部
５ａａは、中央の切欠部９で、左右二つの部分に分かれ
ている。背面片部５ａａは、高さ方向の中間に、外側へ
膨らむ膨らみ部１０を有している。なお、保持器柱部４
ａは、膨らみ部１０に係合する突部を有している。一対
の舌片５ｂは、前面片部５ａｃの下端から左右両側へ延
び、その先端が若干斜め上方へ向かうと共に、斜め前側
へ向かっている。さらに詳しく述べると、両舌片５ｂ，
５ｂの基端部５ｂａは、装着部５ａの前面片部５ａｃの
下端から前方へ若干屈曲して続いた矩形部分とされてい
る。舌片５ｂ，５ｂは、この基端部５ｂａから若干前側
へ折れ曲がって延び、基端部５ｂａよりも延びる部分
が、その幅が、先端に向かうに従い漸減する形状とされ
ている。As shown in FIG. 3 which shows the elastic member 5 viewed from each direction, in detail, the mounting portion 5a has an inverted U-shaped back piece 5aa and an upper piece 5ab formed of an elastic material. The front piece 5ac has a wide width that is the entire width, and the front piece 5ac has a narrow shape only at a substantially central portion in the width direction. The rear piece 5aa is divided into two right and left portions by a central cutout 9. The back piece 5aa has a bulging portion 10 bulging outward in the middle in the height direction. The retainer pillar 4
a has a protrusion that engages with the bulging portion 10. The pair of tongue pieces 5b extend to the left and right sides from the lower end of the front piece 5ac, and their tips are slightly diagonally upward and diagonally forward. More specifically, both tongue pieces 5b,
The base end 5ba of 5b is a rectangular portion that is slightly bent forward from the lower end of the front piece 5ac of the mounting portion 5a and continues. The tongue pieces 5b, 5b are bent slightly forward from the base end 5ba, and a portion extending beyond the base end 5ba has a shape whose width gradually decreases toward the front end.
【００１２】このローラクラッチの動作を説明する。図
１（Ａ）の状態では、ローラ３は外輪１のカム面７に弾
性体５で押し付けられて摩擦係合し、ロック状態となっ
ている。このロック状態から、内輪２を外輪１に対して
空転方向（図の時計回り）ａへ回転させると、ローラ３
および保持器４は、摩擦により内輪２と共に回転移動す
る。つまりカム面７による楔隙間の広がり方向へローラ
３が移動する。ローラ３は、カム面７の端部７ａに当た
るまで移動可能であり、このカム面端部７ａに当たった
状態では、ローラ３が内輪２に対してスリップして、内
輪２は自由に回転でき、クラッチは非ロック状態とな
る。すなわち、内輪２の時計回りの回転は自由に許され
る。この非ロック状態から、内輪２をロック方向（図の
反時計回り）ｂへ回転させると、ローラ３および保持器
４が内輪２と共に回転移動して、ローラ３が外輪２のカ
ム面７による楔隙間の奥へ再度押し付けられ、回転ロッ
ク状態となる。したがって、内輪２の反時計方向への回
転は阻止される。このように、一方向ａの回転のみが自
由に許される。The operation of the roller clutch will be described. In the state shown in FIG. 1A, the roller 3 is pressed against the cam surface 7 of the outer race 1 by the elastic body 5 and frictionally engaged, and is in a locked state. When the inner ring 2 is rotated in the idling direction (clockwise in the drawing) with respect to the outer ring 1 from this locked state, the rollers 3
The retainer 4 rotates with the inner race 2 by friction. That is, the roller 3 moves in the direction in which the wedge gap is expanded by the cam surface 7. The roller 3 is movable until it hits the end 7a of the cam surface 7. In the state where the roller 3 hits the end 7a of the cam surface 7, the roller 3 slips with respect to the inner ring 2, and the inner ring 2 can rotate freely. The clutch is unlocked. That is, clockwise rotation of the inner ring 2 is freely permitted. When the inner ring 2 is rotated in the locking direction (counterclockwise in the drawing) b from the unlocked state, the roller 3 and the retainer 4 rotate together with the inner ring 2, and the roller 3 becomes a wedge formed by the cam surface 7 of the outer ring 2. It is pressed again into the gap and enters the rotation locked state. Therefore, rotation of the inner ring 2 in the counterclockwise direction is prevented. Thus, only rotation in one direction a is freely permitted.
【００１３】このクラッチは、非ロック方向の回転に対
しては、ローラ３で内輪２に転がり接触するため、内輪
２を回転自在に支持する機能も備える。そのため、内輪
２を軸受で支持せずに、あるいは内輪２を軸受で片持ち
状態に支持した状態で、このローラクラッチを用いるこ
とができる。このように使用する場合に、特に、内輪２
の空転時には、内輪２が振れ回りを生じて弾性体５の舌
片５ｂの変位が大きくなる。そのため、舌片５ｂの疲
労、特に基端部５ｂａ付近の疲労を考慮する必要があ
る。しかし、この弾性体５の舌片５ｂは、その幅が、先
端に向かうに従い漸減するテーパ形状とされているた
め、舌片５ｂの基端部５ｂａの付近に応力が集中するこ
とが避けられ、耐疲労強度に優れている。The clutch has a function of rotatably supporting the inner ring 2 because the roller 3 comes into rolling contact with the inner ring 2 with respect to rotation in the unlocked direction. Therefore, this roller clutch can be used without supporting the inner ring 2 with a bearing or supporting the inner ring 2 in a cantilevered state with a bearing. In this case, the inner ring 2
During idling, the inner ring 2 whirls, and the displacement of the tongue piece 5b of the elastic body 5 increases. Therefore, it is necessary to consider the fatigue of the tongue piece 5b, especially the fatigue near the base end 5ba. However, since the width of the tongue piece 5b of the elastic body 5 is tapered so that the width gradually decreases toward the distal end, stress is prevented from being concentrated near the base end 5ba of the tongue piece 5b. Excellent fatigue resistance.
【００１４】なお、前記実施形態では、弾性体５は、保
持器柱部４ａに対する装着部５ａを有するものとした
が、装着部５ａは必ずしも設けなくても良い。例えば、
図４，図５の例に示すように、弾性体５は、その全体を
保持器柱部４ａとローラ３の間に介在させるものとして
も良い。また、弾性体５は、同図の実施形態に示すよう
に、一対の舌片５ｂ，５ｂが、本体片５ｃの両端から中
央側へ延びるように設けられたものであっても良い。こ
れら舌片５ｂ，５ｂも、その幅が、先端に向かうに従い
漸減する形状とされている。図４，図５に示す実施形態
における前述した事項の他の事項は、図１の実施形態と
同じである。また、前記各実施形態は、外輪１にカム面
７を形成したが、外輪１の内周面を円筒面とし、内輪２
の外周面にカム面（図示せず）を形成して両輪１，２の
間にローラ３の介在する楔隙間を形成するものとしても
良い。また、上記各実施形態において、外輪回転と内輪
回転のいずれの使用形態としても良い。In the above embodiment, the elastic body 5 has the mounting portion 5a for the retainer column 4a, but the mounting portion 5a is not necessarily required. For example,
As shown in the examples of FIGS. 4 and 5, the elastic body 5 may be entirely interposed between the retainer pillar 4 a and the roller 3. Further, as shown in the embodiment of the figure, the elastic body 5 may be provided with a pair of tongue pieces 5b, 5b extending from both ends of the main body piece 5c toward the center. These tongue pieces 5b, 5b also have a shape whose width gradually decreases toward the tip. Other items described above in the embodiment shown in FIGS. 4 and 5 are the same as those in the embodiment in FIG. Further, in each of the above embodiments, the cam surface 7 is formed on the outer ring 1.
A cam surface (not shown) may be formed on the outer peripheral surface of the wheel to form a wedge gap between the two wheels 1 and 2 with the roller 3 interposed therebetween. Further, in each of the above-described embodiments, any one of the outer ring rotation and the inner ring rotation may be used.
【００１５】[0015]
【実施例】図１〜図３に示す実施形態のローラクラッチ
について、図７，図８に示すローラクラッチと比較して
弾性体の耐久試験を行った結果を説明する。いずれの例
も弾性体５（図１〜図３の例），弾性体５５（図７，図
８の例）は、鋼板のプレス成形品であって、その舌片５
ｂ，５５ｂの板厚は０．０８mm、幅（平均幅）は０．３
５mmである。試験装置としては、図６に示す装置を用
い、被試験体であるローラクラッチＡは、ボールベアリ
ング４１で片持ち状に支持された軸４２の中間に設置
し、軸４２の先端に設けたハンドル４３を、軸４２と同
心のレバー４４で回転させるものとした。レバー４４
は、ハンドル４３の先端部４３ａを半径方向にのみ移動
自在に拘束し、外径側へばね４５で押し付ける状態で回
転を加えるものとした。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The results of a durability test of an elastic body of the roller clutch of the embodiment shown in FIGS. 1 to 3 will be described in comparison with the roller clutch shown in FIGS. In each case, the elastic body 5 (examples of FIGS. 1 to 3) and the elastic body 55 (examples of FIGS. 7 and 8) are press-formed products made of a steel plate.
b, 55b have a thickness of 0.08 mm and a width (average width) of 0.3
5 mm. As a test device, a device shown in FIG. 6 is used, and a roller clutch A to be tested is installed in the middle of a shaft 42 supported in a cantilever manner by a ball bearing 41, and a handle provided at a tip of the shaft 42. 43 is rotated by a lever 44 concentric with the shaft 42. Lever 44
Is such that the distal end portion 43a of the handle 43 is movably restrained only in the radial direction, and is rotated while being pressed against the outer diameter side by a spring 45.
【００１６】このような試験機で試験したところ、従来
形状のばねでは、５０万回転で舌片の折れが発生してい
たが、この実施形態（舌片テーパ形状）のものでは、１
００万回転でも舌片の折れは発生しなかった。When a test was conducted using such a tester, the tongue piece was broken at 500,000 rotations in the spring having the conventional shape.
No bending of the tongue piece occurred even at one million rotations.
【００１７】[0017]
【発明の効果】この発明のローラクラッチは、保持器の
柱部とローラの間に介在する弾性体が一対の舌片を有す
るものにおいて、この舌片の幅が、先端に向かうに従っ
て漸減するものとしたため、ローラ押圧用の弾性体の耐
久性に優れ、例えば、軸受と併用せずに、あるいは軸受
で軸を片持ち支持した状態で使用しても、満足する耐久
性を得ることができる。前記弾性体が、前記保持器の前
記柱部に装着される装着部と、ローラを押圧する一対の
舌片とを有し、この舌片の幅が、先端に向かうに従って
漸減するものとした場合は、弾性体を安定して装着する
ことができる。前記弾性体が鋼板のプレス成形品または
ステンレス鋼板製である場合は、舌片の幅が漸減するよ
うな形状の弾性体を容易に形成することができる。特
に、弾性体が前記の装着部と一対の舌片とを有するもの
である場合も、弾性体の全体をプレス加工で容易に形成
することができる。ステンレス鋼板製の場合は、錆の発
生の問題もなく、海水等で濡れるような用途の場合に
も、良好に使用できる。According to the roller clutch of the present invention, the elastic member interposed between the pillar of the retainer and the roller has a pair of tongue pieces, and the width of the tongue pieces gradually decreases toward the tip. Therefore, the durability of the elastic body for pressing the roller is excellent, and satisfactory durability can be obtained, for example, even when the elastic body is used together with the bearing or the shaft is cantilevered by the bearing. The elastic body has a mounting portion mounted on the pillar portion of the retainer, and a pair of tongue pieces for pressing a roller, and the width of the tongue piece gradually decreases toward the tip. Can stably mount the elastic body. When the elastic body is a press-formed product of a steel plate or a stainless steel plate, an elastic body having a shape in which the width of the tongue piece is gradually reduced can be easily formed. In particular, even when the elastic body has the mounting portion and the pair of tongue pieces, the entire elastic body can be easily formed by press working. In the case of a stainless steel plate, there is no problem of generation of rust, and it can be used favorably even in applications where it is wet with seawater or the like.
【図１】（Ａ）はこの発明の一実施形態にかかるローラ
クラッチの部分破断正面図、（Ｂ）は同部分破断側面図
である。FIG. 1A is a partially broken front view of a roller clutch according to an embodiment of the present invention, and FIG. 1B is a partially broken side view of the same.
【図２】同ローラクラッチの保持器，ローラ，及び弾性
体の関係を示す展開図である。FIG. 2 is a development view showing a relationship between a retainer, a roller, and an elastic body of the roller clutch.
【図３】（Ａ）は同弾性体の平面図、（Ｂ）は同一部切
欠正面図、（Ｃ）は同図（Ｂ）を矢印Ｃ方向に見た拡大
矢視図、（Ｄ）は同図（Ｃ）を矢印Ｄ方向に見た矢視
図、（Ｅ）は同図（Ｃ）を矢印Ｅ方向に見た矢視図であ
る。3A is a plan view of the elastic body, FIG. 3B is a front view of a cutaway view of the same part, FIG. 3C is an enlarged view of FIG. 3B as viewed in the direction of arrow C, and FIG. FIG. 4C is a view as viewed in the direction of arrow D, and FIG. 4E is a view as viewed in the direction of arrow E in FIG.
【図４】この発明の他に実施形態にかかるローラクラッ
チの保持器，ローラ，及び弾性体の関係を示す展開図で
ある。FIG. 4 is a development view showing a relationship between a retainer, a roller, and an elastic body of a roller clutch according to another embodiment of the present invention.
【図５】（Ａ）は同実施形態における弾性体の平面図、
（Ｂ）は同正面図である。FIG. 5A is a plan view of an elastic body according to the embodiment,
(B) is the same front view.
【図６】ローラクラッチの弾性体の耐久試験装置を示す
説明図である。FIG. 6 is an explanatory view showing a durability test apparatus for an elastic body of a roller clutch.
【図７】（Ａ）は従来のローラクラッチの部分破断正面
図、（Ｂ）は同部分破断側面図である。7A is a partially cutaway front view of a conventional roller clutch, and FIG. 7B is a partially cutaway side view of the same.
【図８】（Ａ）は同従来例における弾性体の平面図、
（Ｂ）は同正面図、（Ｃ）は同拡大側面図である。FIG. 8A is a plan view of an elastic body in the conventional example,
(B) is the same front view, (C) is the same enlarged side view.
１…外輪 ２…内輪 ３…ローラ ４…保持器 ４ａ…柱部 ５…弾性体 ５ａ…装着部 ５ｂ…舌片 ７…カム面 DESCRIPTION OF SYMBOLS 1 ... Outer ring 2 ... Inner ring 3 ... Roller 4 ... Cage 4a ... Column part 5 ... Elastic body 5a ... Mounting part 5b ... Tongue piece 7 ... Cam surface
Claims (4)
ちの一方の周面に形成され、他方の周面と楔隙間を形成
するカム面と、前記楔隙間に配置されたローラと、この
ローラを保持する保持器と、この保持器の柱部とローラ
の間に介在する弾性体とを備えたローラクラッチにおい
て、前記弾性体が一対の舌片を有し、この舌片の幅が、
先端に向かうに従って漸減することを特徴とするローラ
クラッチ。A cam surface formed on one of an inner peripheral surface of an outer ring and an outer peripheral surface of the inner ring to form a wedge clearance with the other peripheral surface; and a roller disposed in the wedge clearance. A roller clutch having a retainer for holding the roller, and an elastic body interposed between the pillar portion of the retainer and the roller, wherein the elastic body has a pair of tongue pieces; But,
A roller clutch that gradually decreases as it goes to the tip.
装着される装着部と、ローラを押圧する一対の舌片とを
有し、この舌片の幅が、先端に向かうに従って漸減する
請求項１に記載のローラクラッチ。2. The elastic body has a mounting portion mounted on the pillar portion of the retainer, and a pair of tongues for pressing a roller, and the width of the tongue gradually decreases toward the tip. The roller clutch according to claim 1, wherein:
請求項１または請求項２に記載のローラクラッチ。3. The roller clutch according to claim 1, wherein the elastic body is a press-formed product of a steel plate.
求項１または請求項２に記載のローラクラッチ。4. The roller clutch according to claim 1, wherein the elastic body is made of a stainless steel plate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22717999A JP3883751B2 (en) | 1999-08-11 | 1999-08-11 | Roller clutch |
| DE10039140A DE10039140B4 (en) | 1999-08-11 | 2000-08-07 | roller clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22717999A JP3883751B2 (en) | 1999-08-11 | 1999-08-11 | Roller clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001050296A true JP2001050296A (en) | 2001-02-23 |
| JP3883751B2 JP3883751B2 (en) | 2007-02-21 |
Family
ID=16856736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22717999A Expired - Lifetime JP3883751B2 (en) | 1999-08-11 | 1999-08-11 | Roller clutch |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3883751B2 (en) |
| DE (1) | DE10039140B4 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011149540A (en) * | 2010-01-25 | 2011-08-04 | Jtekt Corp | Retainer assembly and one-way clutch |
| CN102748449A (en) * | 2012-07-02 | 2012-10-24 | 西南大学 | Planetary intelligent self-adaptive two-gear multi-cam automatic speed change driver |
| CN102748450A (en) * | 2012-07-02 | 2012-10-24 | 西南大学 | Mechanical intelligent adaptive two-gear multi-cam automatic speed change driver |
| CN103161847A (en) * | 2013-03-29 | 2013-06-19 | 广西柳工机械股份有限公司 | Overrunning clutch |
| CN109072995A (en) * | 2016-03-28 | 2018-12-21 | Ntn株式会社 | one-way clutch |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005056220A1 (en) * | 2005-11-25 | 2007-06-06 | Schaeffler Kg | Overrunning clutch |
| TWM324136U (en) | 2007-06-27 | 2007-12-21 | Thai Dieng Industry Co Ltd | Unidirectional bearing |
| CN101701612B (en) * | 2009-11-04 | 2011-07-06 | 江苏南方轴承股份有限公司 | Spring leaf and overrunning clutch mounted with spring leafs |
| FR3013787A1 (en) * | 2013-11-25 | 2015-05-29 | Skf Ab | FREE WHEEL WITH ROLLING BODIES AND METHOD OF MANUFACTURING SUCH A FREE WHEEL |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3500977A (en) * | 1968-02-21 | 1970-03-17 | Torrington Co | Retainer for overrunning clutch with spring insert |
| DE6923286U (en) * | 1969-06-11 | 1970-11-12 | Schaeffler Ohg Industriewerk | CLAMPING ROLLERS - FREE WHEEL |
| DE6941547U (en) * | 1969-10-25 | 1971-04-08 | Schaeffler Ohg Industriewerk | FREE WHEEL CLUTCH. |
| US3737015A (en) * | 1972-05-24 | 1973-06-05 | Gen Motors Corp | Spring mounting arrangement for one-way roller clutch |
| DE3615231A1 (en) * | 1986-05-06 | 1987-11-12 | Schaeffler Waelzlager Kg | Cage for a clamping roller freewheel |
| JP2557438Y2 (en) * | 1989-02-22 | 1997-12-10 | 光洋精工株式会社 | Hand clutch retainer |
| JPH07317809A (en) * | 1994-03-30 | 1995-12-08 | Ntn Corp | Roller slip-off preventive device in one-way clutch |
-
1999
- 1999-08-11 JP JP22717999A patent/JP3883751B2/en not_active Expired - Lifetime
-
2000
- 2000-08-07 DE DE10039140A patent/DE10039140B4/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011149540A (en) * | 2010-01-25 | 2011-08-04 | Jtekt Corp | Retainer assembly and one-way clutch |
| CN102748449A (en) * | 2012-07-02 | 2012-10-24 | 西南大学 | Planetary intelligent self-adaptive two-gear multi-cam automatic speed change driver |
| CN102748450A (en) * | 2012-07-02 | 2012-10-24 | 西南大学 | Mechanical intelligent adaptive two-gear multi-cam automatic speed change driver |
| CN103161847A (en) * | 2013-03-29 | 2013-06-19 | 广西柳工机械股份有限公司 | Overrunning clutch |
| CN103161847B (en) * | 2013-03-29 | 2015-07-22 | 广西柳工机械股份有限公司 | Overrunning clutch |
| CN109072995A (en) * | 2016-03-28 | 2018-12-21 | Ntn株式会社 | one-way clutch |
| CN109072995B (en) * | 2016-03-28 | 2021-05-07 | Ntn株式会社 | One-way clutch |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3883751B2 (en) | 2007-02-21 |
| DE10039140B4 (en) | 2013-11-07 |
| DE10039140A1 (en) | 2001-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8303188B2 (en) | Bearing apparatus | |
| JPH05126147A (en) | Roller bearing particularly for steering column | |
| US6068097A (en) | Dual-mode two-way clutch | |
| JP2001050296A (en) | Roller clutch | |
| US4472006A (en) | Roller bearing with an improved cage | |
| JP2003207008A (en) | Holder of loading cam device of toroidal type continuously variable transmission | |
| WO2007013316A1 (en) | Needle roller bearing and bearing structure | |
| JP2021515145A (en) | Roller cages and bearings that maintain high roll parallelism | |
| JPH0558945U (en) | Inclined biased self-aligning bearing | |
| JP2004028342A (en) | Thrust roller bearing | |
| US1169469A (en) | Roller-bearing. | |
| JP2000192965A5 (en) | ||
| JPS6217625Y2 (en) | ||
| JPH0319767Y2 (en) | ||
| KR20170110387A (en) | Bearing Having Preload Value Changing Means | |
| JP2002303326A (en) | Retainer for rolling bearing and rolling bearing | |
| JP2001056025A5 (en) | ||
| JP2001271840A (en) | Thrust-rolling bearing | |
| JPH0464950A (en) | Pinch roll device | |
| JPS5828252Y2 (en) | Gear shift lever click stop device | |
| JPH0211611Y2 (en) | ||
| JPH1198752A (en) | Bearing structure of motor | |
| JPH0740734Y2 (en) | bearing | |
| JP2007170631A (en) | Cage for ball bearing and ball bearing | |
| JPS6120347B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040323 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20060530 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060606 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20060801 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20061114 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20061115 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 3883751 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20091124 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20101124 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20111124 Year of fee payment: 5 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121124 Year of fee payment: 6 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20121124 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131124 Year of fee payment: 7 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |