JPH11125258A - Bearing structure - Google Patents
Bearing structureInfo
- Publication number
- JPH11125258A JPH11125258A JP30499597A JP30499597A JPH11125258A JP H11125258 A JPH11125258 A JP H11125258A JP 30499597 A JP30499597 A JP 30499597A JP 30499597 A JP30499597 A JP 30499597A JP H11125258 A JPH11125258 A JP H11125258A
- Authority
- JP
- Japan
- Prior art keywords
- needle
- bearing structure
- support member
- slope
- retainer
- 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.)
- Pending
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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
-
- 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
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
- F16C19/463—Needle bearings with one row or needles consisting of needle rollers held in a cage, i.e. subunit without race rings
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】本発明は、例えば、オートマ
チック・トランスミッションのブレーキのドラムを受け
るラジアルベアリングのような軸受構造に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bearing structure such as a radial bearing for receiving a brake drum of an automatic transmission.
【０００２】[0002]
【従来の技術】従来のこの種の軸受構造としては、実開
昭６２−１６７９５９号公報の開示技術の第１図のよう
なものがある。すなわち、この軸受構造は、図１２に示
すように多板ブレーキ３０のドラム３１が、出力軸３２
に固着された支持部材３３にラジアルベアリング（ニー
ドルベアリング）３４を介して受けられている。2. Description of the Related Art As a conventional bearing structure of this type, there is one shown in FIG. 1 of the technology disclosed in Japanese Utility Model Laid-Open No. 62-167959. That is, in this bearing structure, as shown in FIG.
Is supported via a radial bearing (needle bearing) 34.
【０００３】このラジアルベアリング３４は、図８に示
すように多数個のニードル（ニードル）３５をニードル
保持器３６で回転可能に保持して構成してある。このニ
ードル保持器３６の内径寸法Ｘ１と、ニードル保持器３
６で保持された状態でのニードル３５の内径寸法Ｘ２と
の間には寸法差Ａがある。また、従来のラジアルベアリ
ング３４として図９に示すものもある。As shown in FIG. 8, the radial bearing 34 has a plurality of needles (needle) 35 rotatably held by a needle holder 36. The inner diameter X1 of the needle holder 36 and the needle holder 3
There is a dimensional difference A between the needle 35 and the inner diameter X2 of the needle 35 held therein. FIG. 9 shows another conventional radial bearing 34.
【０００４】[0004]
【発明が解決しようとする課題】上記のようにラジアル
ベアリング３４には、そのニードル保持器３６の内径寸
法Ｘ１とニードル３５の内径寸法Ｘ２との間に寸法差Ａ
があるために、このラジアルベアリング３４を相手部品
である支持部材３３に軸方向に挿入組み付ける際に、寸
法差Ａの部分、すなわちニードル３５の端面３５Ａの内
半分の部位３５ａが支持部材３３の角部３３ａに引っ掛
かり、組み付けができない場合があった。As described above, the radial bearing 34 has a dimensional difference A between the inner diameter X1 of the needle holder 36 and the inner diameter X2 of the needle 35.
Therefore, when the radial bearing 34 is inserted and assembled in the axial direction to the support member 33 as a mating part, the portion of the dimensional difference A, that is, the inner half portion 35 a of the end surface 35 A of the needle 35 is There was a case where it was caught by the part 33a and could not be assembled.
【０００５】また、ラジアルベアリング３４の支持部材
３３への組み付けを容易にするために、図１０に示すよ
うに支持部材３３の角部３３ａを面取りをすることがあ
るが、この場合、図１１に示すように支持部材３３にお
いて、径方向に面取り部３７の高さ寸法Ｈ、また、軸方
向に面取り部３７の幅寸法Ｂだけ余分に大きくしなけれ
ばならず、無駄になるという問題点があった。Further, in order to facilitate assembling the radial bearing 34 to the support member 33, a corner 33a of the support member 33 may be chamfered as shown in FIG. 10. In this case, FIG. As shown in the figure, in the support member 33, the height H of the chamfered portion 37 in the radial direction and the width B of the chamfered portion 37 in the axial direction need to be excessively increased. Was.
【０００６】本発明は、上記の問題点に着目して成され
たものであって、その目的とするところは、相手部材の
角部に面取り加工した場合に生じた、面取り部の高さ寸
法分、また、面取り部の幅寸法分をなくすことができ
て、この相手部材を小さくすることができ、軸受構造を
組み込んだ機構部の寸法を小さくすることに寄与する軸
受構造を提供することにある。The present invention has been made in view of the above problems, and an object thereof is to provide a height dimension of a chamfered portion generated when a corner of a mating member is chamfered. The present invention provides a bearing structure that can eliminate the width dimension of the chamfered portion, thereby reducing the size of the mating member, and contributing to reducing the size of the mechanical portion incorporating the bearing structure. is there.
【０００７】[0007]
【課題を解決するための手段】上記の目的を達成するた
めに、請求項１の発明に係る軸受構造は、多数個のニー
ドルをニードル保持器で回転可能に保持し支持部材に軸
方向に挿入組付けする軸受構造であって、前記ニードル
保持器を、リング状の保持器本体に、周方向に所定の間
隔をおいて多数のニードル保持孔を設けて構成し、前記
ニードル保持孔を挟んだ左右の部位の、少なくとも前記
支持部材に挿入組付けする側の端部の内周部に、その保
持器本体の軸方向に内側から外側に向かって、その内径
が大きくなる斜面を形成したことを特徴とする。In order to achieve the above object, a bearing structure according to the first aspect of the present invention comprises a plurality of needles rotatably held by a needle holder and inserted in a support member in an axial direction. A bearing structure to be assembled, wherein the needle retainer is configured by providing a large number of needle retaining holes at predetermined intervals in a circumferential direction on a ring-shaped retainer main body, and sandwiching the needle retaining hole. In the left and right portions, at least on the inner peripheral portion of the end portion on the side to be inserted and assembled to the support member, a slope whose inner diameter increases from the inside to the outside in the axial direction of the retainer body is formed. Features.
【０００８】かかる構成により、軸受構造を支持部材に
組み付ける場合には、保持器本体の斜面が支持部材の角
部に当接しても、この斜面が案内になって、ニードルを
容易に支持部材の組付け位置に位置させることができ
る。With this configuration, when the bearing structure is assembled to the support member, even if the inclined surface of the retainer body contacts the corner of the support member, the inclined surface serves as a guide, and the needle can be easily connected to the support member. It can be located at the assembly position.
【０００９】このために、支持部材の角部に面取り加工
をする必要がなくなる。このために、支持部材の角部に
面取り加工した場合に生じた、面取り部の高さ寸法分、
また、面取り部の幅寸法分をなくすことができて、この
支持部材を小さくすることができ、軸受構造を組み込ん
だ機構部の寸法を小さくすることに寄与することができ
る。For this reason, it becomes unnecessary to chamfer the corners of the support member. For this reason, by the height dimension of the chamfered portion generated when chamfering the corner of the support member,
Further, the width dimension of the chamfered portion can be eliminated, and the size of the support member can be reduced, which contributes to the reduction in the size of the mechanical portion incorporating the bearing structure.
【００１０】また、軸受構造が支持部材に組み付けられ
た状態では、斜面の最小径である内端が支持部材の周面
に近接して、この間の隙間が小さくなるために、軸受構
造内の潤滑油が逃げにくくなり、ニードルの耐焼付性が
向上する。Further, when the bearing structure is assembled to the support member, the inner end, which is the minimum diameter of the slope, is close to the peripheral surface of the support member, and the gap therebetween is reduced. It is difficult for oil to escape, and the seizure resistance of the needle is improved.
【００１１】また、上記の目的を達成するために、請求
項２の発明に係る軸受構造は、請求項１に記載の軸受構
造において、前記斜面を、その保持器本体を含めて合成
樹脂で一体に成形した。In order to achieve the above object, a bearing structure according to a second aspect of the present invention is the bearing structure according to the first aspect, wherein the slope is integrally formed of a synthetic resin including its retainer body. Molded.
【００１２】かかる構成により、上記した請求項１の発
明の作用と同様な作用を奏し得るばかりか、斜面を有す
るニードル保持器の製作が容易になる。With this configuration, not only can the same effect as the above-described invention of claim 1 be obtained, but also the manufacture of the needle holder having the inclined surface is facilitated.
【００１３】また、上記の目的を達成するために、請求
項３の発明に係る軸受構造は、請求項１に記載の軸受構
造において、前記保持器本体が金属を材料としている場
合に、前記保持器本体の前記ニードル保持孔を挟んだ左
右の部位を折り曲げることにより、その保持器本体の軸
方向に内側から外側に向かって、その内径が大きくなる
斜面を形成した。According to a third aspect of the present invention, there is provided a bearing structure according to the first aspect of the present invention, wherein the retainer body is made of a metal material. By bending left and right portions of the container main body with the needle holding hole interposed therebetween, a slope having an inner diameter increasing from the inside to the outside in the axial direction of the retainer body was formed.
【００１４】かかる構成により、上記した請求項１の発
明の作用と同様な作用を奏し得るばかりか、保持器本体
が金属を材料としている場合に、斜面の製作が容易にな
る。According to this structure, not only the same effect as the above-mentioned invention of claim 1 can be obtained, but also the slope can be easily manufactured when the retainer body is made of metal.
【００１５】また、上記の目的を達成するために、請求
項４の発明に係る軸受構造は、請求項１又は請求項２又
は請求項３に記載の軸受構造において、前記斜面の最小
径の寸法Ｘ３と前記ニードルの内径寸法Ｘ４との寸法差
Ｙを、前記ニードルの端部の周縁部の丸みの半径Ｒに略
等しくした。In order to achieve the above object, a bearing structure according to a fourth aspect of the present invention is the bearing structure according to the first, second, or third aspect, wherein the minimum diameter of the slope is smaller than that of the first or second aspect. The dimensional difference Y between X3 and the inner diameter dimension X4 of the needle was made substantially equal to the radius R of the roundness of the peripheral portion at the end of the needle.
【００１６】かかる構成により、上記した請求項１の発
明の作用と同様な作用を奏し得るばかりか、斜面の最小
径の寸法Ｘ３と前記ニードルの内径寸法Ｘ４との寸法差
Ｙが、ニードルの端部の周縁部の丸みの半径Ｒに略等し
くしてあるために、この寸法差Ｙが、支持部材の組付け
位置の周面と保持器本体との間の隙間になり、軸受構造
内の潤滑油が逃げにくくなり、ニードルの耐焼付性が向
上する。With this configuration, not only can the same operation as the above-mentioned invention of claim 1 be achieved, but also the dimensional difference Y between the minimum diameter X3 of the slope and the inner diameter X4 of the needle is reduced by the end of the needle. This dimensional difference Y becomes a gap between the peripheral surface at the mounting position of the support member and the retainer main body, and is substantially equal to the radius R of the roundness of the peripheral portion of the portion. It is difficult for oil to escape, and the seizure resistance of the needle is improved.
【００１７】[0017]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。図１は本発明に係る軸受構造の斜
視図、図２は図１のＦ−Ｆ線に沿う断面図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a bearing structure according to the present invention, and FIG. 2 is a sectional view taken along line FF of FIG.
【００１８】本発明に係る軸受構造としてのラジアルベ
アリング１は、図１に示すように多数個のニードル（コ
ロ）２をニードル保持器３で回転可能に保持して構成し
てある。このニードル保持器３は、図２に示すように帯
状体４をリング状に形成した保持器本体５に、周方向に
所定のピッチをおいて多数個にニードル保持孔６が設け
てあり、これらのニードル保持孔６に円筒体状のニード
ル２が挿入してあり、ニードル２が保持器本体５に回転
可能に保持されている。A radial bearing 1 as a bearing structure according to the present invention is configured by rotatably holding a plurality of needles (rollers) 2 by a needle holder 3 as shown in FIG. As shown in FIG. 2, the needle holder 3 has a plurality of needle holding holes 6 provided at a predetermined pitch in the circumferential direction on a holder main body 5 having a band-like body 4 formed in a ring shape. The needle 2 having a cylindrical shape is inserted into the needle holding hole 6, and the needle 2 is rotatably held by the holder main body 5.
【００１９】そして、保持器本体５のニードル保持孔６
を挟んだ左右の部位５ａ、５ｂの内周部は、その内端イ
から外端ロに向かってその内径が大きくなる斜面（テー
パ面）７に成されている。そして、この斜面７の内端イ
の内径寸法Ｘ３は、図５に示すようにニードル保持器３
で保持された状態でのニードル２の内径寸法Ｘ４より大
きく、その寸法差Ｙは、ニードル２の端部の周縁部の丸
み８の半径Ｒと略等しくしてある。The needle holding hole 6 of the retainer body 5
The inner peripheral portions of the left and right portions 5a and 5b sandwiching the inner surface are formed as inclined surfaces (tapered surfaces) 7 whose inner diameters increase from the inner end a toward the outer end b. And, as shown in FIG. 5, the inner diameter X3 of the inner end a of the slope 7 is
Is larger than the inner diameter dimension X4 of the needle 2 in the state where the needle 2 is held, and the dimensional difference Y is substantially equal to the radius R of the roundness 8 at the peripheral edge of the end of the needle 2.
【００２０】また、ラジアルベアリング１を組み付ける
相手部品である支持部材９の角部９Ａには面取り加工は
成されていない。The corner 9A of the support member 9, which is the mating part to which the radial bearing 1 is to be assembled, is not chamfered.
【００２１】そして、支持部材９にラジアルベアリング
１を組み付ける場合には、保持器本体５の斜面７が支持
部材９の角部９Ａに当接しても、この斜面７が案内にな
って、ニードル２を容易に支持部材９の組付け位置に位
置させる。When the radial bearing 1 is mounted on the support member 9, even if the inclined surface 7 of the retainer body 5 contacts the corner 9A of the support member 9, the inclined surface 7 serves as a guide and the needle 2 Is easily located at the position where the support member 9 is assembled.
【００２２】また、ラジアルベアリング１が支持部材９
の組み付けられた状態では、図４及び図５に示すよう
に、斜面７の内端イの内径寸法Ｘ３とニードル２の内径
寸法Ｘ４との寸法差Ｙが、ニードル２の端部の周縁部の
丸み８の半径Ｒに略等しくしてあり、この寸法差Ｙが、
支持部材９の組付け位置の周面１０と保持器本体５との
間の隙間Ｃになるために、ラジアルベアリング１内の潤
滑油が逃げにくくなり、ニードル２の焼き付きが防止さ
れる。The radial bearing 1 is supported by a support member 9.
In the assembled state, as shown in FIGS. 4 and 5, the dimensional difference Y between the inner diameter dimension X3 of the inner end A of the slope 7 and the inner diameter dimension X4 of the needle 2 is It is substantially equal to the radius R of the roundness 8, and this dimensional difference Y is
Since the clearance C is formed between the peripheral surface 10 at the mounting position of the support member 9 and the retainer main body 5, the lubricating oil in the radial bearing 1 does not easily escape, and seizure of the needle 2 is prevented.
【００２３】また、ラジアルベアリング１のニードル保
持器３は、その斜面７を含めて合成樹脂で一体に成形し
たものであるが、ニードル保持器３が金属を材料として
いる場合には、図６及び図７に示すように保持器本体５
のニードル保持孔６を挟んだ左右の部位５ａ、５ｂを折
り曲げることにより、保持器本体５の幅方向に内端イか
ら外端ロに向かってその内径が大きくなる斜面（テーパ
面）７を形成する。The needle holder 3 of the radial bearing 1 is integrally formed of a synthetic resin including the slope 7 thereof. When the needle holder 3 is made of metal, the needle holder 3 shown in FIGS. As shown in FIG.
By bending the left and right portions 5a and 5b sandwiching the needle holding hole 6, a slope (tapered surface) 7 whose inner diameter increases from the inner end to the outer end in the width direction of the retainer body 5 is formed. I do.
【００２４】このように保持器本体５のニードル保持孔
６を挟んだ左右の部位５ａ、５ｂを折り曲げて斜面（テ
ーパ面）７を形成した場合も、ニードル保持器３を、そ
の斜面７を含めて合成樹脂で一体に成形した場合と同様
の作用効果を有する。Even when the left and right portions 5a and 5b of the retainer body 5 sandwiching the needle holding hole 6 are bent to form a slope (tapered surface) 7, the needle holder 3 including the slope 7 is also included. The same operation and effect as when integrally molded with synthetic resin are obtained.
【００２５】上記した実施の形態例によれば、ラジアル
ベアリング１を支持部材９に組み付ける場合には、斜面
７が支持部材９の角部９Ａに当接しても、この斜面９Ａ
が案内になって、ニードル２を容易に支持部材９の組付
け位置に位置させることができる。According to the above-described embodiment, when the radial bearing 1 is assembled to the support member 9, even if the slope 7 contacts the corner 9 A of the support member 9, the slope 9 A
Guides the needle 2 so that the needle 2 can be easily positioned at the position where the support member 9 is assembled.
【００２６】このために、支持部材９の角部９Ａに面取
り加工をする必要がなくなる。このために、支持部材９
の角部９Ａに面取り加工した場合に生じた、面取り部３
７の高さ寸法Ｈ分、また、面取り部３７の幅寸法Ｂ分を
なくすことができて、この支持部材９を小さくすること
ができ、支持部材９を組み込んだオートマチック・トラ
ンスミッション（機構部）のローアンドリバースブレー
キの寸法を小さくすることに寄与することができる。For this reason, it is not necessary to chamfer the corner 9A of the support member 9. For this purpose, the support member 9
Chamfered portion 3 generated when chamfering is performed on corner 9A of
7 and the width B of the chamfered portion 37 can be eliminated, so that the support member 9 can be made smaller, and the automatic transmission (mechanical unit) incorporating the support member 9 can be reduced. This can contribute to reducing the size of the low and reverse brake.
【００２７】[0027]
【発明の効果】以上説明したように、請求項１の発明に
係る軸受構造によれば、多数個のニードルをニードル保
持器で回転可能に保持した軸受構造であって、軸受構造
を支持部材に組み付ける場合には、保持器本体の斜面が
支持部材の角部に当接しても、この斜面が案内になっ
て、ニードルを容易に支持部材の組付け位置に位置させ
ることができる。As described above, according to the bearing structure according to the first aspect of the present invention, a bearing structure in which a large number of needles are rotatably held by a needle holder, wherein the bearing structure is used as a support member. In the case of assembling, even if the inclined surface of the retainer body abuts on the corner of the support member, the inclined surface serves as a guide, so that the needle can be easily positioned at the attachment position of the support member.
【００２８】このために、支持部材の角部に面取り加工
をする必要がなくなる。このために、支持部材の角部に
面取り加工した場合に生じた、面取り部の高さ寸法分、
また、面取り部の幅寸法分をなくすことができて、この
支持部材を小さくすることができ、軸受構造を組み込ん
だ機構部の寸法を小さくすることに寄与することができ
る。For this reason, it is not necessary to chamfer the corners of the support member. For this reason, by the height dimension of the chamfered portion generated when chamfering the corner of the support member,
Further, the width dimension of the chamfered portion can be eliminated, and the size of the support member can be reduced, which contributes to the reduction in the size of the mechanical portion incorporating the bearing structure.
【００２９】また、軸受構造が支持部材に組み付けられ
た状態では、斜面の最小径である内端が支持部材の周面
に近接して、この間の隙間が小さくなるために、軸受構
造内の潤滑油が逃げにくくなり、ニードルの耐焼付性が
向上する。Further, when the bearing structure is assembled to the support member, the inner end, which is the minimum diameter of the slope, is close to the peripheral surface of the support member, and the gap therebetween is reduced, so that the lubrication inside the bearing structure is reduced. It is difficult for oil to escape, and the seizure resistance of the needle is improved.
【００３０】また、請求項２の発明に係る軸受構造によ
れば、上記した請求項１の発明の効果と同様な効果を奏
し得るばかりか、斜面を有するニードル保持器の製作が
容易になる。According to the bearing structure according to the second aspect of the present invention, not only the same effects as those of the first aspect of the present invention can be obtained, but also the manufacture of the needle holder having the inclined surface is facilitated.
【００３１】また、請求項３の発明に係る軸受構造によ
れば、上記した請求項１の発明の効果と同様な効果を奏
し得るばかりか、保持器本体が金属を材料としている場
合に、斜面の製作が容易になる。According to the bearing structure according to the third aspect of the present invention, not only can the same effect as the above-mentioned effect of the first aspect of the present invention be obtained, but also if the retainer body is made of metal, the slope can be reduced. Is easy to manufacture.
【００３２】また、請求項４の発明に係る軸受構造によ
れば、上記した請求項１の発明の効果と同様な効果を奏
し得るばかりか、斜面の最小径の寸法Ｘ３とニードルの
内径寸法Ｘ４との寸法差Ｙが、ニードルの端部の周縁部
の丸みの半径Ｒに略等しくしてあるために、この寸法差
Ｙが、支持部材の組付け位置の周面と保持器本体との間
の隙間になり、軸受構造内の潤滑油が逃げにくくなり、
ニードルの耐焼付性が向上する。According to the bearing structure of the fourth aspect of the present invention, not only can the same effect as the above-mentioned effect of the first aspect of the present invention be obtained, but also the minimum diameter X3 of the slope and the inner diameter X4 of the needle. Is approximately equal to the radius R of the roundness of the peripheral portion of the end of the needle, the dimensional difference Y is caused by the difference between the peripheral surface of the mounting position of the support member and the retainer body. And the lubricating oil in the bearing structure is difficult to escape,
The seizure resistance of the needle is improved.
【図１】本発明に係る軸受構造の斜視図である。FIG. 1 is a perspective view of a bearing structure according to the present invention.
【図２】図１のＦ−Ｆ線に沿う断面図である。FIG. 2 is a cross-sectional view taken along the line FF of FIG.
【図３】本発明に係る軸受構造を支持部材に装着する前
の状態に説明図である。FIG. 3 is an explanatory view showing a state before the bearing structure according to the present invention is mounted on a support member.
【図４】同装着状態に説明図である。FIG. 4 is an explanatory view in the same mounting state.
【図５】図４のＧ部の拡大図である。FIG. 5 is an enlarged view of a portion G in FIG. 4;
【図６】本発明に係る軸受構造の他の実施例の断面図で
ある。FIG. 6 is a sectional view of another embodiment of the bearing structure according to the present invention.
【図７】本発明に係る軸受構造の別の他の実施例の断面
図である。FIG. 7 is a sectional view of another embodiment of the bearing structure according to the present invention.
【図８】従来の軸受構造を支持部材に装着する前の状態
に説明図である。FIG. 8 is an explanatory view showing a state before a conventional bearing structure is mounted on a support member.
【図９】従来の別の軸受構造の断面図である。FIG. 9 is a cross-sectional view of another conventional bearing structure.
【図１０】支持部材の説明図である。FIG. 10 is an explanatory diagram of a support member.
【図１１】従来の軸受構造を支持部材に装着した状態に
説明図である。FIG. 11 is an explanatory view showing a state where a conventional bearing structure is mounted on a support member.
【図１２】軸受構造を組み込んだオートマチック・トラ
ンスミッションの一部省略した断面図である。FIG. 12 is a partially omitted sectional view of an automatic transmission incorporating a bearing structure.
２ ニードル（コロ） ３ ニードル保持器 ４ 帯状体 ５ 保持器本体 ６ ニードル保持孔 ７ 斜面 ８ 丸み ９支持部材 2 Needle (roller) 3 Needle holder 4 Belt 5 Holder body 6 Needle holding hole 7 Slope 8 Roundness 9 Support member
Claims (4)
転可能に保持し支持部材に軸方向に挿入組付けする軸受
構造であって、前記ニードル保持器を、リング状の保持
器本体に、周方向に所定の間隔をおいて多数のニードル
保持孔を設けて構成し、前記ニードル保持孔を挟んだ左
右の部位の、少なくとも前記支持部材に挿入組付けする
側の端部の内周部に、その保持器本体の軸方向に内側か
ら外側に向かって、その内径が大きくなる斜面を形成し
たことを特徴とする軸受構造。1. A bearing structure in which a plurality of needles are rotatably held by a needle holder and inserted and assembled in a support member in an axial direction, wherein the needle holder is attached to a ring-shaped holder body by a peripheral member. A large number of needle holding holes are provided at predetermined intervals in the direction, and the left and right portions sandwiching the needle holding holes, at least on the inner peripheral portion of the end portion on the side inserted and assembled to the support member, A bearing structure, wherein a slope is formed such that the inner diameter increases from the inside to the outside in the axial direction of the retainer body.
成樹脂で一体に成形した請求項１に記載の軸受構造。2. The bearing structure according to claim 1, wherein the slope is integrally formed of a synthetic resin including its retainer body.
場合に、前記保持器本体の前記ニードル保持孔を挟んだ
左右の部位を折り曲げることにより、その保持器本体の
軸方向に内側から外側に向かってその内径が大きくなる
斜面を形成した請求項１に記載の軸受構造。3. When the cage main body is made of metal, the left and right portions of the cage main body sandwiching the needle holding hole are bent from the inside to the outside in the axial direction of the cage main body. The bearing structure according to claim 1, wherein a slope is formed such that an inner diameter of the slope increases.
ドルの内径寸法Ｘ４との寸法差Ｙを、前記ニードルの端
部の周縁部の丸みの半径Ｒに略等しくした請求項１又は
請求項２又は請求項３に記載の軸受構造。4. The needle according to claim 1, wherein a dimensional difference Y between a minimum diameter X3 of the slope and an inner diameter X4 of the needle is substantially equal to a radius R of a rounded edge of the end of the needle. The bearing structure according to claim 2 or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30499597A JPH11125258A (en) | 1997-10-20 | 1997-10-20 | Bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30499597A JPH11125258A (en) | 1997-10-20 | 1997-10-20 | Bearing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11125258A true JPH11125258A (en) | 1999-05-11 |
Family
ID=17939819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30499597A Pending JPH11125258A (en) | 1997-10-20 | 1997-10-20 | Bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11125258A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010270904A (en) * | 2009-04-22 | 2010-12-02 | Ntn Corp | Needle bearing and needle bearing device |
| WO2012034728A1 (en) * | 2010-09-17 | 2012-03-22 | Schaeffler Technologies Gmbh & Co. Kg | Mounting of a shaft, in particular mass-balance shaft, by means of rolling contact bearings |
| JP2015092088A (en) * | 2013-10-04 | 2015-05-14 | 日本精工株式会社 | Cage for radial roller bearing, and radial roller bearing |
-
1997
- 1997-10-20 JP JP30499597A patent/JPH11125258A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010270904A (en) * | 2009-04-22 | 2010-12-02 | Ntn Corp | Needle bearing and needle bearing device |
| WO2012034728A1 (en) * | 2010-09-17 | 2012-03-22 | Schaeffler Technologies Gmbh & Co. Kg | Mounting of a shaft, in particular mass-balance shaft, by means of rolling contact bearings |
| JP2015092088A (en) * | 2013-10-04 | 2015-05-14 | 日本精工株式会社 | Cage for radial roller bearing, and radial roller bearing |
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