JPH05272529A - Thrust bearing - Google Patents
Thrust bearingInfo
- Publication number
- JPH05272529A JPH05272529A JP9729192A JP9729192A JPH05272529A JP H05272529 A JPH05272529 A JP H05272529A JP 9729192 A JP9729192 A JP 9729192A JP 9729192 A JP9729192 A JP 9729192A JP H05272529 A JPH05272529 A JP H05272529A
- Authority
- JP
- Japan
- Prior art keywords
- case
- guide ring
- inner peripheral
- cage
- peripheral edge
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はスラスト軸受に関し、特
に自動車のサスペンションなどに用いられる弾性ケース
付のスラスト軸受に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thrust bearing, and more particularly to a thrust bearing with an elastic case used for automobile suspensions and the like.
【０００２】[0002]
【従来の技術】この種のスラスト軸受としては図２に示
す構造のものが一般に知られている。2. Description of the Related Art As a thrust bearing of this type, one having a structure shown in FIG. 2 is generally known.
【０００３】図示のように、当該スラスト軸受は、相対
面する１対の軌道輪１０１及び１０２と、該両軌道輪１
０１、１０２の間に介在する転動体としてのころ１０３
と、ころ１０３を保持案内する環状の保持器１０４と、
両軌道輪１０１及び１０２の一方ずつを一体的に収容
し、且つ、保持器１０４の外周部を被覆して該両軌道輪
間をシールする１対のケース１０５及び１０６とから構
成されている。As shown in the figure, the thrust bearing comprises a pair of bearing rings 101 and 102 facing each other and both bearing rings 1
Roller 103 as a rolling element interposed between 01 and 102
And an annular cage 104 that holds and guides the rollers 103,
Each of the bearing rings 101 and 102 is integrally housed, and is composed of a pair of cases 105 and 106 for covering the outer peripheral portion of the cage 104 to seal between the bearing rings.
【０００４】前記軌道輪１０１及び１０２は金属からな
り、ころ１０３に上下から各々当接しており、ころ１０
３は例えば円周方向に等間隔にて保持器１０４に形成さ
れた保持孔（図示せず）内に各々収められて該保持器の
全周にわたり複数個配設されている。従って、１対の軌
道輪１０１及び１０２は、このころ１０３を介して互い
に回転自在である。The bearing rings 101 and 102 are made of metal and are in contact with the roller 103 from above and below, respectively.
For example, a plurality of 3 are housed in holding holes (not shown) formed in the cage 104 at equal intervals in the circumferential direction, and a plurality of them are arranged all around the cage. Therefore, the pair of bearing rings 101 and 102 are rotatable with respect to each other via the rollers 103.
【０００５】上記のケース１０５及び１０６は弾性を有
する合成樹脂材から成り、一方のケース１０５の外周側
壁１０７が上記保持器１０４の外周縁部１０８を覆い、
他方のケース１０６の内周側壁１０９が保持器１０４の
内周縁部１１０を覆い、この外周側壁１０７と内周側壁
１０９とで保持器１０４を位置規制しつつ案内し、両ケ
ース１０５、１０６が互いに内部をシールすると共にス
ラスト軸受として一体化している。The cases 105 and 106 are made of an elastic synthetic resin material, and the outer peripheral side wall 107 of one case 105 covers the outer peripheral edge portion 108 of the cage 104.
The inner peripheral side wall 109 of the other case 106 covers the inner peripheral edge portion 110 of the retainer 104, and the outer peripheral side wall 107 and the inner peripheral side wall 109 guide the retainer 104 while controlling the position thereof. The inside is sealed and integrated as a thrust bearing.
【０００６】[0006]
【発明が解決しようとする課題】上記した従来のスラス
ト軸受においては、保持器１０４の位置規制及び案内
を、一方のケース１０５の内周側壁１０９と他方のケー
ス１０６の外周側壁１０７とで行っているため、スラス
ト軸受の使用によってこれら内周側壁１０９及び外周側
壁１０７が摩耗し、回転トルクムラが発生する恐れがあ
る。特に保持器１０４が金属でケース１０５及び１０６
が合成樹脂材であれば、摩耗の進行が早く、スラスト軸
受としての寿命が短くなり、実用に耐えないものとな
る。In the conventional thrust bearing described above, the cage 104 is restricted in position and guided by the inner peripheral side wall 109 of one case 105 and the outer peripheral side wall 107 of the other case 106. Therefore, the use of the thrust bearing may wear the inner peripheral side wall 109 and the outer peripheral side wall 107, which may cause uneven rotation torque. In particular, the cage 104 is made of metal and the cases 105 and 106 are
If is a synthetic resin material, the progress of wear is short, the life as a thrust bearing is shortened, and it becomes unusable for practical use.
【０００７】本発明は上記した従来の技術の欠点に鑑み
てなされたもので、保持器に対するケースの耐摩耗性の
向上を達成したスラスト軸受の提供を目的としている。The present invention has been made in view of the above-mentioned drawbacks of the prior art, and an object thereof is to provide a thrust bearing in which the wear resistance of the case with respect to the cage is improved.
【０００８】[0008]
【課題を解決するための手段】本発明は、相対面する１
対の軌道輪と、該軌道輪間に介在する複数の転動体と、
軌道輪間に介在し前記転動体を保持案内する保持器と、
各々合成樹脂の弾性体からなり前記軌道輪各々の一方ず
つを一体的に収容すると共に前記保持器の周縁部を被覆
して前記軌道輪間をシールする１対のケースとを備えた
スラスト軸受において、前記保持器の周縁部とケースと
の間に案内リングを介在せしめた構成としている。SUMMARY OF THE INVENTION The present invention is directed toward
A pair of bearing rings, and a plurality of rolling elements interposed between the bearing rings,
A cage that is interposed between the bearing rings and holds and guides the rolling element,
A thrust bearing comprising a pair of cases each of which is made of an elastic body of synthetic resin and integrally accommodates one of each of the bearing rings and covers the peripheral portion of the cage to seal between the bearing rings. A guide ring is interposed between the peripheral portion of the cage and the case.
【０００９】[0009]
【実施例】以下図面を参照して本発明の実施例を説明す
る。Embodiments of the present invention will be described below with reference to the drawings.
【００１０】図１は本発明の実施例としてのスラスト軸
受の断面図である。図において、当該スラスト軸受の基
本的構造は図２に示した従来例と同様であり、１対の軌
道輪１及び２、ころ３、保持器４、１対のケース５及び
６を具備し、ケース５の外周側壁７とケース６の内周側
壁９とにより軌道輪１、２間をシールすることにより軸
受として一体化しているものである。FIG. 1 is a sectional view of a thrust bearing as an embodiment of the present invention. In the figure, the basic structure of the thrust bearing is the same as that of the conventional example shown in FIG. 2, and includes a pair of bearing rings 1 and 2, a roller 3, a cage 4, and a pair of cases 5 and 6. The outer peripheral side wall 7 of the case 5 and the inner peripheral side wall 9 of the case 6 seal the space between the bearing rings 1 and 2 to be integrated as a bearing.
【００１１】本実施例の特徴は、ケース６の内周側壁９
と保持器４の内周縁部１０との間に介在する案内リング
１１にある。この案内リング１１は、例えば金属からな
り、一方の軌道輪１の内側端部とケース５の内周側壁１
２の間に挾装され、一体的に収容固定される。このよう
に、案内リング１１を、軌道輪１とケース５により挾ん
で固定する構成の故、該案内リングを固定するための特
別な部材を必要とせず、部品点数が少く抑えられてい
る。The feature of this embodiment is that the inner peripheral side wall 9 of the case 6 is
And a guide ring 11 interposed between the inner peripheral edge portion 10 of the cage 4 and the inner peripheral edge portion 10 of the cage 4. The guide ring 11 is made of, for example, a metal, and the inner end portion of one race ring 1 and the inner peripheral side wall 1 of the case 5.
It is mounted between the two and is housed and fixed integrally. As described above, since the guide ring 11 is sandwiched between the bearing ring 1 and the case 5 and fixed, a special member for fixing the guide ring is not required, and the number of parts is kept small.
【００１２】また、案内リング１１は、これを更に大径
のものとして保持器４の外周縁部８とケース５の外周側
壁７との間に設けてもよいし、更に、保持器４の内外両
周縁部に夫々対応するように２つ設けてもよいが、上記
のように保持器４の内周縁部１０に対応するように設け
たことにより、該案内リング１１の径が小さくなり、ス
ラスト軸受全体としての小型化及び軽量化が図られてい
る。The guide ring 11 may be provided between the outer peripheral edge portion 8 of the cage 4 and the outer peripheral side wall 7 of the case 5 with a larger diameter. Two pieces may be provided so as to correspond to both peripheral edge portions, respectively, but by providing so as to correspond to the inner peripheral edge portion 10 of the retainer 4 as described above, the diameter of the guide ring 11 becomes smaller, and the thrust is reduced. The overall size and weight of the bearing have been reduced.
【００１３】なお、この案内リング１１の材質として
は、上記のように金属の他に、例えば合成樹脂や、セラ
ミックス等の使用も可能である。As the material of the guide ring 11, in addition to metal as described above, for example, synthetic resin, ceramics or the like can be used.
【００１４】案内リング１１の一部は保持器４の内周縁
部１０に近接する位置に突出し、この突出した部分の外
周面が保持器４の内周縁部１０に対する半径方向の位置
規制と、円周方向への案内とを行う。一方、保持器４の
外周縁部８とケース５の外周側壁７との間にはクリアラ
ンス１３が形成され、このクリアランス１３により保持
器４とケース５とが接触することはない。A part of the guide ring 11 projects to a position close to the inner peripheral edge portion 10 of the cage 4, and the outer peripheral surface of this projecting portion restricts the radial position of the retainer 4 with respect to the inner peripheral edge portion 10 and a circle. Provides guidance in the circumferential direction. On the other hand, a clearance 13 is formed between the outer peripheral edge portion 8 of the cage 4 and the outer peripheral side wall 7 of the case 5, and the cage 13 does not contact the cage 4 due to the clearance 13.
【００１５】従って、１対の軌道輪１及び２の相対回転
時には、保持器４はその内周縁部１０のみが案内リング
１１によって案内され、両者間における摩耗は微少であ
ってトルクムラのない軸受作用を発揮する。Therefore, at the time of relative rotation of the pair of bearing rings 1 and 2, only the inner peripheral edge portion 10 of the cage 4 is guided by the guide ring 11, wear between them is very small, and there is no torque unevenness in the bearing action. Exert.
【００１６】なお、本実施例では案内リング１１を一方
のケース５側に固定したが、両方のケース５及び６の双
方に対応するように複数設けてもよい。Although the guide ring 11 is fixed to one case 5 side in this embodiment, a plurality of guide rings 11 may be provided so as to correspond to both cases 5 and 6.
【００１７】[0017]
【発明の効果】以上説明したように、本発明によれば、
案内リングによって保持器が規制案内されるため、耐摩
耗性に優れ、耐久性の高いスラスト軸受が得られという
効果がある。As described above, according to the present invention,
Since the cage is regulated and guided by the guide ring, there is an effect that a thrust bearing having excellent wear resistance and high durability can be obtained.
【図１】図１は、本発明の実施例としてのスラスト軸受
の断面図である。FIG. 1 is a sectional view of a thrust bearing as an embodiment of the present invention.
【図２】図２は、従来のスラスト軸受の部分断面図であ
る。FIG. 2 is a partial cross-sectional view of a conventional thrust bearing.
１、２ 軌道輪 ３ ころ（転動体） ４ 保持器 ５、６ ケース ８ 外周縁部 １０ 内周縁部 １１ 案内リング 1, 2 orbital rings 3 Rollers (rolling elements) 4 Cages 5, 6 Case 8 Outer peripheral edge 10 Inner peripheral edge 11 Guide ring
─────────────────────────────────────────────────────
─────────────────────────────────────────────────── ───
【手続補正書】[Procedure amendment]
【提出日】平成４年５月７日[Submission date] May 7, 1992
【手続補正１】[Procedure Amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】請求項１[Name of item to be corrected] Claim 1
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【手続補正２】[Procedure Amendment 2]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００５[Correction target item name] 0005
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００５】上記のケース１０５及び１０６は合成樹脂
材あるいはゴムなどの弾性体から成り、一方のケース１
０５の外周側壁１０７が上記保持器１０４の外周縁部１
０８を覆い、他方のケース１０６の内周側壁１０９が保
持器１０４の内周縁部１１０を覆い、この外周側壁１０
７と内周側壁１０９とで保持器１０４を位置規制しつつ
案内し、両ケース１０５、１０６が互いに内部をシール
すると共にスラスト軸受として一体化している。The cases 105 and 106 are made of an elastic material such as synthetic resin material or rubber.
The outer peripheral side wall 107 of 05 is the outer peripheral edge portion 1 of the cage 104.
08, the inner peripheral side wall 109 of the other case 106 covers the inner peripheral edge portion 110 of the cage 104, and the outer peripheral side wall 10
7 and the inner peripheral side wall 109 guide the cage 104 while restricting its position, and both cases 105 and 106 seal the inside of each other and are integrated as a thrust bearing.
【手続補正３】[Procedure 3]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００６[Correction target item name] 0006
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００６】[0006]
【発明が解決しようとする課題】上記した従来のスラス
ト軸受においては、保持器１０４の位置規制及び案内
を、一方のケース１０５の内周側壁１０９と他方のケー
ス１０６の外周側壁１０７とで行っているため、スラス
ト軸受の使用によってこれら内周側壁１０９及び外周側
壁１０７が摩耗し、回転トルクムラが発生する恐れがあ
る。特に保持器１０４が金属でケース１０５及び１０６
が合成樹脂材等であれば、摩耗の進行が早く、スラスト
軸受としての寿命が短くなり、実用に耐えないものとな
る。In the conventional thrust bearing described above, the cage 104 is restricted in position and guided by the inner peripheral side wall 109 of one case 105 and the outer peripheral side wall 107 of the other case 106. Therefore, the use of the thrust bearing may wear the inner peripheral side wall 109 and the outer peripheral side wall 107, which may cause uneven rotation torque. In particular, the cage 104 is made of metal and the cases 105 and 106 are
If is a synthetic resin material or the like , the progress of wear is short, the life as a thrust bearing is shortened, and it becomes unusable for practical use.
【手続補正４】[Procedure amendment 4]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】０００８[Correction target item name] 0008
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【０００８】[0008]
【課題が解決するための手段】本発明は、相対面する１
対の軌道輪と、該軌道輪間に介在する複数の転動体と、
軌道輪間に介在し前記転動体を保持案内する保持器と、
各々弾性体からなり前記軌道輪各々の一方ずつを一体的
に収容すると共に前記保持器の周縁部を被覆して前記軌
道輪間をシールする１体位のケースとを備えたスラスト
軸受において、前記保持器の周縁部とケースとの間に案
内リングを介在せしめた構成としている。The present invention is directed toward
A pair of bearing rings, and a plurality of rolling elements interposed between the bearing rings,
A cage that is interposed between the bearing rings and holds and guides the rolling element,
A thrust bearing having a one-body case which is made of an elastic material and integrally accommodates one of each of the races and covers the peripheral portion of the cage to seal between the races. A guide ring is interposed between the peripheral portion of the container and the case.
【手続補正５】[Procedure Amendment 5]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１０[Correction target item name] 0010
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００１０】図１は本発明の実施例としてのスラスト軸
受の断面図である。図において、当該スラスト軸受の基
本的構造は図２に示した従来例と同様であり、１対の軌
道輪１及び２、ころ３、保持器４、合成樹脂あるいはゴ
ムなどの弾性体からなる１対のケース５及び６を具備
し、ケース５の外周側壁７とケース６の内周側壁９とに
より軌道輪１、２間をシールすることにより軸受として
一体化しているものである。FIG. 1 is a sectional view of a thrust bearing as an embodiment of the present invention. In the figure, the basic structure of the thrust bearing is the same as that of the conventional example shown in FIG. 2, and a pair of bearing rings 1 and 2, rollers 3, a cage 4, a synthetic resin or a goth
A pair of cases 5 and 6 made of an elastic body such as a rubber is provided, and the outer peripheral side wall 7 of the case 5 and the inner peripheral side wall 9 of the case 6 seal between the bearing rings 1 and 2 to integrally form a bearing. There is something.
【手続補正６】[Procedure Amendment 6]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】００１６[Correction target item name] 0016
【補正方法】変更[Correction method] Change
【補正内容】[Correction content]
【００１６】なお、本実施例では案内リング１１を一方
のケース５側に固定したが、両方のケース５及び６の双
方に対応するように複数設けてもよい。また、ケース６
の外周部にはテーパ面６ａが形成されており、他方のケ
ース５にはこのテーパ面６ａに臨むように内側に突出し
た突部５ａが形成されている。かかる構成により、当該
スラスト軸受の組立後に両者がアキシャル方向に分離す
ることがなく、また、クリアランス１３を含む内部空間
にグリースを充填して潤滑性を良好とすることができ
る。 Although the guide ring 11 is fixed to one case 5 side in this embodiment, a plurality of guide rings 11 may be provided so as to correspond to both cases 5 and 6. Also, case 6
A tapered surface 6a is formed on the outer peripheral portion of the
On the base 5, project inward so as to face the tapered surface 6a.
A protruding portion 5a is formed. With this configuration,
After assembling the thrust bearing, they are separated in the axial direction.
Internal space including clearance 13
Can be filled with grease to improve lubricity.
It
Claims (4)
に介在する複数の転動体と、軌道輪間に介在し前記転動
体を保持案内する保持器と、各々合成樹脂の弾性体から
なり、前記軌道輪各々の一方ずつを一体的に収容すると
共に前記保持器の周縁部を被覆して前記軌道輪間をシー
ルする１対のケースとを備えたスラスト軸受であって、
前記保持器の周縁部と前記ケースとの間に案内リングを
介在せしめたことを特徴とするスラスト軸受。1. A pair of bearing rings facing each other, a plurality of rolling elements interposed between the bearing rings, a cage interposed between the bearing rings for holding and guiding the rolling elements, and elastic members made of synthetic resin. A thrust bearing comprising a body and a pair of cases that integrally accommodates each of the bearing rings and covers the peripheral portion of the cage to seal between the bearing rings.
A thrust bearing, wherein a guide ring is interposed between the peripheral portion of the cage and the case.
徴とする請求項１記載のスラスト軸受。2. The thrust bearing according to claim 1, wherein the guide ring is made of metal.
部に対応して設けられていることを特徴とする請求項１
又は請求項２記載のスラスト軸受。3. The guide ring is provided so as to correspond to an inner peripheral edge portion of the retainer.
Alternatively, the thrust bearing according to claim 2.
ースとの間に介装されていることを特徴とする請求項１
乃至請求項３のうちいずれか１記載のスラスト軸受。4. The guide ring is interposed between the bearing ring and the case.
The thrust bearing according to any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04097291A JP3088832B2 (en) | 1992-03-25 | 1992-03-25 | Thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04097291A JP3088832B2 (en) | 1992-03-25 | 1992-03-25 | Thrust bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05272529A true JPH05272529A (en) | 1993-10-19 |
| JP3088832B2 JP3088832B2 (en) | 2000-09-18 |
Family
ID=14188403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04097291A Expired - Lifetime JP3088832B2 (en) | 1992-03-25 | 1992-03-25 | Thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3088832B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5474390A (en) * | 1994-03-31 | 1995-12-12 | The Torrington Company | Thrust bearing assembly |
| US5803621A (en) * | 1996-01-17 | 1998-09-08 | Skf Gmbh | Axial roller bearing assembly |
| US7114854B2 (en) * | 2002-11-07 | 2006-10-03 | Ntn Corporation | Thrust roller bearing and cage |
| WO2012157430A1 (en) * | 2011-05-13 | 2012-11-22 | 株式会社椿本チエイン | Annular raceway ring module and axial roller bearing |
-
1992
- 1992-03-25 JP JP04097291A patent/JP3088832B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5474390A (en) * | 1994-03-31 | 1995-12-12 | The Torrington Company | Thrust bearing assembly |
| US5803621A (en) * | 1996-01-17 | 1998-09-08 | Skf Gmbh | Axial roller bearing assembly |
| US7114854B2 (en) * | 2002-11-07 | 2006-10-03 | Ntn Corporation | Thrust roller bearing and cage |
| WO2012157430A1 (en) * | 2011-05-13 | 2012-11-22 | 株式会社椿本チエイン | Annular raceway ring module and axial roller bearing |
| JP2012237432A (en) * | 2011-05-13 | 2012-12-06 | Tsubakimoto Chain Co | Annular bearing ring module, and axial roller bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3088832B2 (en) | 2000-09-18 |
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