JP2527963Y2 - Synthetic resin cage for ball bearings - Google Patents
Synthetic resin cage for ball bearingsInfo
- Publication number
- JP2527963Y2 JP2527963Y2 JP1990054278U JP5427890U JP2527963Y2 JP 2527963 Y2 JP2527963 Y2 JP 2527963Y2 JP 1990054278 U JP1990054278 U JP 1990054278U JP 5427890 U JP5427890 U JP 5427890U JP 2527963 Y2 JP2527963 Y2 JP 2527963Y2
- Authority
- JP
- Japan
- Prior art keywords
- retainer
- synthetic resin
- ball
- claw
- 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.)
- Expired - Lifetime
Links
- 229920003002 synthetic resin Polymers 0.000 title claims description 9
- 239000000057 synthetic resin Substances 0.000 title claims description 9
- 210000000078 claw Anatomy 0.000 claims description 24
- 230000000694 effects Effects 0.000 description 4
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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
- F16C33/38—Ball cages
- F16C33/3806—Details of interaction of cage and race, e.g. retention, centring
-
- 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
- F16C33/38—Ball cages
- F16C33/41—Ball cages comb-shaped
- F16C33/412—Massive or moulded comb cages, e.g. snap ball cages
- F16C33/414—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages
- F16C33/416—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages made from plastic, e.g. injection moulded comb cages
-
- 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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
- F16C43/08—Placing rolling bodies in cages or bearings by deforming the cages or the races
-
- 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
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
-
- 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
- F16C33/583—Details of specific parts of races
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、玉軸受用の合成樹脂製保持器に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION [Industrial application field] The present invention relates to a synthetic resin cage for a ball bearing.
〔従来の技術〕 合成樹脂製保持器の従来技術として、第10図および第
11図に示したもが知られている。この保持器は、ボール
保持部20と柱部21とを周方向に交互に形成し、各ボール
保持部20にポケット22を設け、そのポケット22に球形内
面23を形成すると共に、ポケット22の入口24を同一側に
位置させた構成としてある。[Prior Art] As a prior art of a synthetic resin cage, FIG. 10 and FIG.
The one shown in FIG. 11 is known. In this cage, ball holding portions 20 and pillar portions 21 are alternately formed in the circumferential direction, a pocket 22 is provided in each ball holding portion 20, a spherical inner surface 23 is formed in the pocket 22, and an entrance of the pocket 22 is formed. 24 are located on the same side.
上記保持器の組込みは、ポケット22の入口24を前面に
してその保持器を外輪26と内輪27間に挿入し、ボール28
の外側にポケット22を嵌合させるようにしている。The retainer is assembled by inserting the retainer between the outer ring 26 and the inner ring 27 with the entrance 24 of the pocket 22 facing the front, and
The pocket 22 is fitted to the outside of the.
ところで、上記従来の保持器においては、ポケット入
口24の両側に設けられた一対の爪部25とボール28の係合
によって保持器を抜け止めする構成であり、一対の爪部
25の間隔を小さくすると、抜け止め効果を高めることが
できるが、保持器の組込みが困難になるため、一対の爪
部25の間隔を必要以上に小さくすることができない。By the way, in the above-mentioned conventional retainer, the retainer is prevented from coming off by engagement of a pair of claw portions 25 provided on both sides of the pocket entrance 24 and the ball 28, and a pair of claw portions is provided.
If the distance between the hooks 25 is reduced, the retaining effect can be enhanced, but it becomes difficult to assemble the retainer. Therefore, the distance between the pair of claw portions 25 cannot be reduced more than necessary.
このため、保持器の抜け止め効果が悪いという問題が
ある。For this reason, there is a problem that the retaining effect of the retainer is poor.
この考案は上記の問題点を解決、合成樹脂製保持器の
抜け止め効果を高めることを技術的課題としている。It is a technical object of the present invention to solve the above-mentioned problem and to enhance the retaining effect of the synthetic resin cage.
上記の課題を解決するために、この考案においては、
ボール保持部間に形成された柱部の保持器組込み時の挿
入方向前面側に保持器軸方向に延びる弾性片を設け、そ
の弾性片の先端部に軌道輪のみぞの肩の外端部に形成し
た環状凹部の側面と係合可能な爪を設け、その爪を環状
凹部内に収納可能な大きさとした構成を採用したのであ
る。In order to solve the above problems, in this invention,
An elastic piece extending in the retainer axial direction is provided on the front side in the insertion direction when the retainer is assembled into the pillar portion formed between the ball retaining portions, and the distal end of the elastic piece is provided at the outer end of the shoulder of the raceway groove groove. The configuration is such that a claw that can be engaged with the side surface of the formed annular recess is provided, and the claw is sized to be housed in the annular recess.
上記の構成から成る保持器は、ボール保持器のポケッ
ト入口を前面として外輪と内輪間に挿入し、ボール保持
器のポケットを外輪と内輪間に組込まれたボールの外側
に嵌合し、かつ弾性片の爪を環状凹部の側面に係合し、
その係合によって保持器を抜け止めする。The cage having the above configuration is inserted between the outer ring and the inner ring with the pocket entrance of the ball retainer facing the front, the pocket of the ball retainer is fitted to the outside of the ball incorporated between the outer ring and the inner ring, and the elasticity is improved. Engage one claw with the side of the annular recess,
The engagement prevents the retainer from coming off.
以下、この考案の実施例を第１図乃至第９図に基づい
て説明する。An embodiment of the present invention will be described below with reference to FIGS.
第１図および第２図に示すように、外輪１と内輪２と
の間にはボール３と、そのボール３を保持する合成樹脂
製の保持器10とが組込まれている。As shown in FIGS. 1 and 2, between the outer ring 1 and the inner ring 2, a ball 3 and a retainer 10 made of a synthetic resin for holding the ball 3 are incorporated.
第３図および第４図は保持器10を示す。この保持器10
は、ボール保持部11と柱部12とを周方向に交互に設けた
構成とされ、各ボール保持部11にはポケット13が係合さ
れ、そのポケット13の内面14は球形とされている。ま
た、各ポケット13の入口15は、同一側に配置され、その
入口15の両側に設けられた一対の爪部16の間隔はボール
３の球径より小さくなっている。3 and 4 show the retainer 10. FIG. This cage 10
Has a configuration in which ball holding portions 11 and pillar portions 12 are provided alternately in the circumferential direction. A pocket 13 is engaged with each ball holding portion 11, and an inner surface 14 of the pocket 13 has a spherical shape. The entrance 15 of each pocket 13 is arranged on the same side, and the interval between a pair of claw portions 16 provided on both sides of the entrance 15 is smaller than the ball diameter of the ball 3.
前記柱部12には、ポケット入口15と同一側の側面に一
対の弾性片17a、17bが保持器10の径方向で対向するよう
設けられ、外径側の弾性片17aの先端部には、外輪１の
みぞの肩の外端部に形成した環状凹部1aの側面と係合す
る爪18aが設けられている。In the pillar portion 12, a pair of elastic pieces 17a, 17b are provided on the side surface on the same side as the pocket entrance 15 so as to face in the radial direction of the retainer 10, and at the tip of the elastic piece 17a on the outer diameter side, A claw 18a is provided which engages with a side surface of an annular recess 1a formed at the outer end of the shoulder of the groove of the outer ring 1.
また、内径側の弾性片17bの先端部には、内輪２のみ
ぞの肩の外端部に形成した環状凹部2aの側面と係合する
爪18bが設けられている。A claw 18b is provided at the tip of the elastic piece 17b on the inner diameter side to engage with the side surface of the annular recess 2a formed at the outer end of the shoulder of the groove of the inner ring 2.
ここで、爪18aおよび爪18bは環状凹部1a、2a内に収納
可能な大きさとされている。Here, the claws 18a and 18b are sized to be accommodated in the annular recesses 1a and 2a.
上記の構成から成る保持器10の組立てに際しては、第
５図に示すように、外輪１と内輪２の環状凹部1a、2aの
側面を形成した側の反対側に保持器10を配置し、その保
持器10のポケット入口15を前面にして上記保持器10を外
輪１と内輪２間に挿入し、ボール３の外側にポケット13
を嵌合させると共に、各弾性片17a、17bの先端の爪18
a、18bを環状凹部1a、2aの側面に係合させる。In assembling the retainer 10 having the above-described configuration, as shown in FIG. 5, the retainer 10 is arranged on the side opposite to the side on which the side surfaces of the annular concave portions 1a and 2a of the outer ring 1 and the inner ring 2 are formed. The cage 10 is inserted between the outer ring 1 and the inner ring 2 with the pocket entrance 15 of the cage 10 facing the front, and the pocket 13 is inserted outside the ball 3.
And the claw 18 at the tip of each elastic piece 17a, 17b.
a, 18b are engaged with the side surfaces of the annular concave portions 1a, 2a.
上記のような保持器10の組立てにより、保持器10は、
爪18a、18bと環状凹部1a、2aの側面の係合およびボール
３と爪部16の係合によって抜け止めされる。By the assembly of the cage 10 as described above, the cage 10
The engagement between the pawls 18a, 18b and the side surfaces of the annular concave portions 1a, 2a and the engagement between the ball 3 and the claw portion 16 prevent the hooks from coming off.
第６図乃至第９図はこの考案に係る保持器10の他の実
施例を示す。6 to 9 show another embodiment of the retainer 10 according to the present invention.
第６図に示す実施例では、各柱部12の外径側に弾性片
17aを設け、その弾性片17aの先端部に外輪１の環状凹部
1aの側面と係合する爪18aを係合した構成としている。In the embodiment shown in FIG. 6, an elastic piece is provided on the outer diameter side of each pillar 12.
17a, and an annular concave portion of the outer race 1 is provided at the tip of the elastic piece 17a.
The configuration is such that a claw 18a engaging with the side surface of 1a is engaged.
第７図に示す実施例では、各柱部12の内径側に弾性片
17bを設け、その弾性片17bの先端部に内輪２の環状凹部
2aの側面と係合する爪18bを形成した構成としている。In the embodiment shown in FIG.
17b, and an annular recess of the inner ring 2 is provided at the tip of the elastic piece 17b.
The configuration is such that a claw 18b engaging with the side surface of 2a is formed.
第８図に示す実施例では、複数の柱部12に外輪１の環
状凹部1aの側面と係合する爪18aを有する弾性片17aと内
輪２の環状凹部2aの側面に係合する爪18bを有する弾性
片17bを交互に設けた構成としてある。In the embodiment shown in FIG. 8, a plurality of pillars 12 are provided with an elastic piece 17a having a claw 18a engaging with the side surface of the annular recess 1a of the outer ring 1 and a claw 18b engaging with the side surface of the annular recess 2a of the inner ring 2. Elastic pieces 17b are provided alternately.
第９図に示す実施例では、複数の柱部12のうち、一つ
の柱部12に一対の弾性片17a、17bを設け、一方弾性片17
aの先端部に外輪１の係合溝1aと係合する爪18aを形成
し、他方弾性片17bの先端部に内輪２の環状凹部2aの側
面と係合する爪18bを設けた構成としている。In the embodiment shown in FIG. 9, a pair of elastic pieces 17a and 17b are provided on one
At the tip of a, a claw 18a that engages with the engagement groove 1a of the outer ring 1 is formed, and at the tip of the elastic piece 17b, a claw 18b that engages with the side surface of the annular recess 2a of the inner ring 2 is provided. .
以上のように、この考案に係る合成樹脂製保持器によ
れば、柱に形成した弾性片の先端部の爪を軌道輪に設け
た環状凹部の側面に係合させるようにしたので、ポケッ
トの入口に設けられた一対の爪部の間隔を大きくして保
持器の組付けを容易とした場合でも、保持器を確実に抜
け止めすることができる。また、爪は環状凹部内に収納
可能な大きさであるため、爪が軸受の回転を阻害すると
いう不都合の発生はなく、軸受を常に円滑に回転させる
ことができる。As described above, according to the synthetic resin cage according to the present invention, the claw at the distal end of the elastic piece formed on the pillar is engaged with the side surface of the annular concave portion provided on the track ring, so that the pocket Even when the interval between the pair of claw portions provided at the inlet is increased to facilitate the assembly of the retainer, the retainer can be reliably prevented from coming off. Further, since the claw is large enough to be accommodated in the annular concave portion, there is no inconvenience that the claw hinders rotation of the bearing, and the bearing can always be smoothly rotated.
第１図は、この考案に係る合成樹脂製保持器の第１の実
施例を示す断面図、第２図は同上の正面図、第３図は第
１図のIII-III線に沿った断面図、第４図は同上保持器
の一部分を示す斜視図、第５図は同上保持器の組立て状
態を示す断面図、第６図乃至第９図は同上の保持器の他
の例を示す図、第10図は従来の保持器を示す断面図、第
11図は第10図のXI-XI線に沿った断面図である。 １……外輪、２……内輪、1a、2a……係合溝、３……ボ
ール、11……ボール保持部、12……柱部、13……ポケッ
ト、15……入口、17a、17b……弾性片、18a、18b……
爪。FIG. 1 is a sectional view showing a first embodiment of a synthetic resin cage according to the present invention, FIG. 2 is a front view of the same, FIG. 3 is a sectional view taken along the line III-III of FIG. FIG. 4 is a perspective view showing a part of the cage, FIG. 5 is a cross-sectional view showing an assembled state of the cage, and FIGS. 6 to 9 are views showing another example of the cage. FIG. 10 is a sectional view showing a conventional cage, and FIG.
FIG. 11 is a sectional view taken along the line XI-XI in FIG. DESCRIPTION OF SYMBOLS 1 ... Outer ring, 2 ... Inner ring, 1a, 2a ... Engagement groove, 3 ... Ball, 11 ... Ball holding part, 12 ... Column part, 13 ... Pocket, 15 ... Inlet, 17a, 17b …… Elastic pieces, 18a, 18b ……
nail.
Claims (1)
け、各ボール保持部に形成されたポケットの入口を同一
側に位置させた玉軸受用の合成樹脂製保持器において、
前記柱部のポケット入口と同一側の側面に保持器軸方向
に延びる弾性片を形成し、その弾性片の先端部に軌道輪
のみぞの肩の外端部に形成した環状凹部の側面と係合可
能な爪を設け、その爪を上記環状凹部内に収納可能な大
きさとしたことを特徴とする玉軸受用の合成樹脂製保持
器。1. A synthetic resin cage for a ball bearing, wherein a ball holding portion and a column portion are alternately provided in a circumferential direction, and an entrance of a pocket formed in each ball holding portion is located on the same side.
An elastic piece extending in the retainer axial direction is formed on the same side surface as the pocket entrance of the pillar portion, and a tip of the elastic piece is engaged with a side surface of an annular recess formed at an outer end of a shoulder of a raceway groove groove. A synthetic resin retainer for a ball bearing, wherein the retainer is provided with a pair of engageable claws and the claws are sized to be accommodated in the annular recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990054278U JP2527963Y2 (en) | 1990-05-24 | 1990-05-24 | Synthetic resin cage for ball bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990054278U JP2527963Y2 (en) | 1990-05-24 | 1990-05-24 | Synthetic resin cage for ball bearings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0413820U JPH0413820U (en) | 1992-02-04 |
| JP2527963Y2 true JP2527963Y2 (en) | 1997-03-05 |
Family
ID=31576199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990054278U Expired - Lifetime JP2527963Y2 (en) | 1990-05-24 | 1990-05-24 | Synthetic resin cage for ball bearings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2527963Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008138519A1 (en) * | 2007-05-11 | 2008-11-20 | Schaeffler Kg | Double row, angular contact ball bearing with two plastic comb cages with retaining tabs |
| DE102013202726A1 (en) * | 2013-02-20 | 2014-08-21 | Aktiebolaget Skf | A cage component and a needle bearing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58100350U (en) * | 1981-12-26 | 1983-07-08 | 株式会社東芝 | Image forming machine paper feed device |
| JPS607423U (en) * | 1983-06-28 | 1985-01-19 | 光洋精工株式会社 | tapered roller bearing |
| JPS6330816U (en) * | 1986-08-14 | 1988-02-29 | ||
| JPH0620865Y2 (en) * | 1987-06-25 | 1994-06-01 | 松下電工株式会社 | Mounting structure for traveling member of folding door |
-
1990
- 1990-05-24 JP JP1990054278U patent/JP2527963Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0413820U (en) | 1992-02-04 |
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