JPS642974Y2 - - Google Patents
Info
- Publication number
- JPS642974Y2 JPS642974Y2 JP1983056640U JP5664083U JPS642974Y2 JP S642974 Y2 JPS642974 Y2 JP S642974Y2 JP 1983056640 U JP1983056640 U JP 1983056640U JP 5664083 U JP5664083 U JP 5664083U JP S642974 Y2 JPS642974 Y2 JP S642974Y2
- Authority
- JP
- Japan
- Prior art keywords
- recess
- tapered surface
- protrusion
- central
- cage
- 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
Links
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 241001272720 Medialuna californiensis Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000013011 mating Effects 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
- F16C33/46—Cages for rollers or needles
- F16C33/50—Cages for rollers or needles formed of interconnected members, e.g. chains
- F16C33/502—Cages for rollers or needles formed of interconnected members, e.g. chains formed of arcuate segments retaining one or more rollers or needles
- F16C33/504—Cages for rollers or needles formed of interconnected members, e.g. chains formed of arcuate segments retaining one or more rollers or needles with two segments, e.g. two semicircular cage parts
-
- 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
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
- F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
- F16C33/4635—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from plastic, e.g. injection moulded window cages
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Description
【考案の詳細な説明】
この考案は円筒ころ軸受等の２つ割り保持器に
関する。[Detailed Description of the Invention] This invention relates to a two-split cage for cylindrical roller bearings and the like.
自動車のトランスミツシヨン用軸など最近３点
支持方式の軸が増えて来ているが、軸の中央に軸
受を組む場合は少なくとも保持器は２つ割りでな
ければならない。これらの分割された保持器は、
組立後接合するのに従来種々の方式のものがあつ
た。例えば第１図に示す従来の保持器は一方の接
合部１ａの端部に凸部２ａを、他方の接合部１ｂ
の端部に凸部２ａの嵌り込む凹部２ｂを設け、凸
部２ａの両壁に凹み３ａを、凹部の両壁に突起３
ｂを設けて、凸部２ａを凹部２ｂに挿入し、突起
３ｂを凹み３ａに嵌入させて接合するものである
が、凸部と凹部を形成する壁面は部材の円周方向
の端面と平行な面で形成されている。このため接
合部の凹み３ａと突起３ｂの合せ面は半径方向に
ガタが生じて外れ易く、また組付にも支障を生じ
ることが多い。しかも接合部の根元が弱く強度に
も問題がある。また第２図のように半月径の保持
器４ａ，４ｂの側面にナイロンのひも５を付着し
て２つ割り保持器としたものや、第３図のように
１体の保持器６の一方に切欠き７を設け、切欠き
７と180゜対称の位置に割り８を入れて切欠き７を
中心に一時的に保持器を開いて２つ割りの保持器
の機能を果させるものもあつたが、一旦保持器を
開いてしまうと簡単に元に戻らず軸受の組付に支
障を生じた。 The number of shafts supported at three points, such as those used in automobile transmissions, has recently increased, but if a bearing is to be installed in the center of the shaft, at least the cage must be split into two parts. These divided retainers are
Conventionally, various methods have been used for joining after assembly. For example, the conventional cage shown in FIG. 1 has a protrusion 2a at the end of one joint 1a, and
A recess 2b into which the protrusion 2a fits is provided at the end of the recess 2a, a recess 3a on both walls of the protrusion 2a, and a protrusion 3 on both walls of the recess.
b, the protrusion 2a is inserted into the recess 2b, and the protrusion 3b is fitted into the recess 3a to join them. It is formed by a surface. For this reason, the mating surfaces of the recesses 3a and the protrusions 3b at the joints are likely to come off due to looseness in the radial direction, and often cause problems in assembly. Moreover, the base of the joint is weak and there is also a problem in strength. In addition, as shown in Fig. 2, nylon strings 5 are attached to the sides of the half-moon diameter cages 4a and 4b to create a cage split into two, or as shown in Fig. 3, one half of a single cage 6 is used. There is also a type in which a notch 7 is provided, and a split 8 is placed at a position 180° symmetrical to the notch 7, and the cage is temporarily opened around the notch 7 to perform the function of a two-split cage. However, once the cage was opened, it could not be easily returned to its original position, which caused problems in bearing assembly.
さらに、相対する接合面の非対称位置に空部と
これと結合する凹部を形成すると共に、突部の内
側面に小突起を設けて、接合するもの（実開昭53
−104849号）もあるが、組立の際に保持器部材を
ねじつて挿入することが必要であり幅全体でもね
じれ分力が作用する。このため半径方向にずれが
生じたり、部材に膨張、収縮のバラツキがある場
合、接合部にねじれが生じ外径面、内径面に段差
が生じ転動体の円滑な回転を阻害するおそれがあ
る。また、円周方向のガタの発生も不可避であつ
た。さらに、保持器の接合部の一方に半径方向に
平行の壁面をもつて凹所を設け、他方にフツク状
突起を設け、該フツク状突起の弾性を利用して前
記凹所に係合させたもの（特開昭57−86619）も
あるが、径方向の保持器接合部のずれの吸収がで
きない。 Furthermore, a hollow part and a concave part to be joined to the hollow part are formed at an asymmetric position of the opposing joint surfaces, and a small protrusion is provided on the inner surface of the protrusion for joining.
-104849), but it is necessary to twist and insert the retainer member during assembly, and a torsional force acts over the entire width. For this reason, if a deviation occurs in the radial direction or if there is variation in expansion or contraction of the member, there is a risk that the joint will be twisted and a step will be formed on the outer diameter surface and the inner diameter surface, impeding the smooth rotation of the rolling elements. Furthermore, the occurrence of backlash in the circumferential direction was unavoidable. Furthermore, a recess with a wall surface parallel to the radial direction is provided in one of the joint parts of the retainer, and a hook-like protrusion is provided in the other, and the elasticity of the hook-like protrusion is used to engage the recess. There is also a method (Japanese Unexamined Patent Publication No. 57-86619), but it cannot absorb the displacement of the cage joint in the radial direction.
この考案はこのような従来の２つ割り保持器の
欠点を除去し、短時間に２つに割れた保持器の接
合を容易にすると共に、接合された保持器には半
径方向にガタがなく、後工程において軸受の組つ
けに支障を生じない２つ割り保持器を提供しよう
とするもので軸線を含む平面に沿つて２分された
合成樹脂製の２つ割り保持器であつて、一方の部
材の接合部に半径方向外方に向けて拡がる一対の
テーパ面で挟まれた中央突出部を設け、該中央突
出部から円周方向内方に次第に幅狭となるテーパ
面をもつて首部を形成し、他方の部材の接合部に
は前記中央突出部のテーパ面と同一角度のテーパ
面を有する一対の側方突出部により凹所を形成
し、さらに円周方向からみて側方突出部から凹部
壁面に向けて斜外方に延びる斜面で係合部を形成
すると共に、中央突出部を一対の側方突出部の弾
性変形により前記凹所に挿入して中央突出部の首
部のテーパ面を係合部の斜面と係合させた２つ割
り保持器に関する。 This invention eliminates the disadvantages of the conventional two-piece cage, makes it easy to join two cages together in a short time, and ensures that there is no play in the radial direction of the joined cage. , which aims to provide a two-split cage that does not cause problems when assembling a bearing in a subsequent process, and is a two-split cage made of synthetic resin that is divided into two parts along a plane including the axis. A neck portion is provided with a central protrusion sandwiched between a pair of tapered surfaces that widen radially outward at the joint of the members, and a tapered surface that gradually becomes narrower inwardly in the circumferential direction from the central protrusion. A recess is formed at the joining part of the other member by a pair of lateral protrusions having a tapered surface at the same angle as the tapered surface of the central protrusion, and further a lateral protrusion when viewed from the circumferential direction. An engaging portion is formed by a slope extending obliquely outward toward the wall surface of the recess, and the central protrusion is inserted into the recess by elastic deformation of the pair of lateral protrusions, thereby forming a tapered surface of the neck of the central protrusion. This invention relates to a two-split cage that engages with the slope of the engaging portion.
以下この考案の実施例を図面について説明する
と、この考案は第４図に示すように軸心Ｏを含む
平面Ｐに沿つて180゜対称の位置で分割された２つ
割り保持器であり、２つ割り保持器を構成する部
材１１ａ，１１ｂの各対向端部が互いに隣接した
接合部１２ａ，１２ｂとなつている。一方の接合
部１２ａには第５図に示すように断面凸字形をな
す中央突出部１３ａを設け、該中央突出部は半径
方向外方に次第に拡がるテーパ面１４ａ，１４ａ
で挟まれている。さらに、中央突出部１３ａのテ
ーパ面１４ａ，１４ａに続いて保持器の円周方向
内方に向けて次第に幅狭となるように斜めに切り
込まれて切除部１５ａ，１５ａを形成してこれを
係合部となし、該係合部により首部１７が構成さ
れる。 An embodiment of this invention will be described below with reference to the drawings. As shown in Fig. 4, this invention is a two-part cage divided at 180° symmetrical positions along a plane P including the axis O. Opposing ends of the members 11a and 11b constituting the split cage form mutually adjacent joints 12a and 12b. One joint 12a is provided with a central protrusion 13a having a convex cross section as shown in FIG.
It is sandwiched between. Further, cutting portions 15a, 15a are formed by diagonally cutting the tapered surfaces 14a, 14a of the central protruding portion 13a so as to gradually become narrower inward in the circumferential direction of the retainer. The neck portion 17 is constituted by the engaging portion.
他方の部材の接合部１２ｂは第６図に示すよう
に前記中央突出部１３ａのテーパ面１４ａに対応
してこれと等しい角度のテーパ面１４ｂを有し、
中央突出部１３ａを挟み凹部１６を形成する一対
の側方突出部１３ｂ，１３ｂを設ける。前記テー
パ面１４ｂ，１４ｂの基部には凹所１６の壁面１
８に向けて斜外方に延びる斜面１９により係合部
１５ｂが設けられている。 The joint portion 12b of the other member has a tapered surface 14b having an angle equal to the tapered surface 14a of the central protrusion 13a, as shown in FIG.
A pair of side protrusions 13b, 13b are provided which form a recess 16 with the central protrusion 13a in between. A wall surface 1 of the recess 16 is formed at the base of the tapered surfaces 14b, 14b.
An engaging portion 15b is provided by a slope 19 that extends diagonally outward toward 8.
また、中央突出部１３ａのテーパ面１４ａ，１
４ａで挟まれた所定位置における幅寸法は、側方
突出部１３ｂ，１３ｂで挟された凹所１６の対応
位置の幅寸法よりも僅かに幅広としてある。従つ
て中央突出部１３ａを凹所１６に挿入する際、側
方突出部１３ｂ，１３ｂが弾性変形する。 Further, the tapered surfaces 14a, 1 of the central protrusion 13a
The width dimension at the predetermined position sandwiched by 4a is slightly wider than the width dimension at the corresponding position of the recess 16 sandwiched between the lateral protrusions 13b, 13b. Therefore, when inserting the central protrusion 13a into the recess 16, the side protrusions 13b, 13b are elastically deformed.
さらに、接合部１２ａの中央突出部１３ａを上
述のように接合部１２ｂの一対の側方突出部１３
Ｂ，１３ｂの間に弾性変形により挿入すると、第
５図に示す中央突出部１３ａのテーパ面１４ａは
第６図に示す係合部１５ｂに入り、第７図に示す
ように首部１７のテーパ面２０が係合部１５ｂの
斜面１９と係合する。 Further, the central protrusion 13a of the joint 12a is connected to the pair of lateral protrusions 13 of the joint 12b as described above.
When inserted between B and 13b by elastic deformation, the tapered surface 14a of the central protrusion 13a shown in FIG. 5 enters the engaging portion 15b shown in FIG. 20 engages with the slope 19 of the engaging portion 15b.
なお、上記の両部材の係合部がラジアル方向に
ガタを生ずることがなければ、所期の目的を達す
ることができるので、各部材の接合部１２ａ，１
２ｂの端面同士は必ずしも第７図のように当接す
る必要はない。 Note that the intended purpose can be achieved as long as the engaging portions of the two members do not play in the radial direction.
The end faces of 2b do not necessarily need to be in contact with each other as shown in FIG.
この考案は、上述のように２分割された各部材
の対向端部の一方の接合部の半径方向外方に向け
てテーパ面を設けて中央突出部を形成し、他方の
接合部に設けられた一対の側方突出部により形成
された凹所１６に中央突出部を弾性変形により挿
入し、中央突出部のテーパ面２０を係合部の斜面
１９と係合させたので、係合部に半径方向のガタ
を生ずることはなく、軸受回転中に保持器のアン
バランスや転動体のアソビによる回転不良のおそ
れがない。このため、軸受の組付けに支障を生じ
ることもなく、テーパ面により容易に短時間に２
つ割りの保持器を接合することができる。また第
７図に示す如く中央突出部と側方突出部のテーパ
面１４ａ，１４ｂの接合部ｅとｆおよびｇとｈは
組付の最初は干渉するがそれは接合部１２ｂの側
方突出部１３ｂを若干開く方向へ弾性変形させる
ことで容易に組付けることができる。また一旦組
付けると中央突出部１３ａの首部１７のテーパ面
２０と係合部１５ｂの斜面１９が係合するので強
固に係合され、接合部が円周方向に戻ることはな
い。 This idea is to form a central protrusion by providing a tapered surface radially outward at one joint of the opposing ends of each member divided into two as described above, and forming a central protrusion at the other joint. The central protruding part was inserted into the recess 16 formed by the pair of lateral protruding parts by elastic deformation, and the tapered surface 20 of the central protruding part was engaged with the slope 19 of the engaging part. There is no play in the radial direction, and there is no risk of poor rotation due to unbalance of the cage or looseness of the rolling elements during bearing rotation. Therefore, there is no problem in assembling the bearing, and the tapered surface makes it easy to install the bearing in a short time.
It is possible to join split cages. Furthermore, as shown in FIG. 7, the joints e and f and g and h of the tapered surfaces 14a and 14b of the central protrusion and the side protrusions interfere with each other at the beginning of assembly; It can be easily assembled by elastically deforming it in the direction of slightly opening. Furthermore, once assembled, the tapered surface 20 of the neck portion 17 of the central protrusion 13a and the slope 19 of the engaging portion 15b engage with each other, so that they are firmly engaged and the joined portion does not return in the circumferential direction.
さらに側方突出部１３ｂの係合部１５ｂは軸方
向に対し斜めに切られて斜面１９が形成されるの
で、係合部はラジアル方向にガタをもつことはな
い。またこのような係合部１５ａ，１５ｂは保持
器をナイロン等の合成樹脂製とすることにより射
出成形により容易に成形することができる。ま
た、首部１７の係合部１５ａと側方突出部１３ｂ
のテーパ面１４ｂとのなす空間ｅ，ｈ、斜面１９
と中央突出部１３ａのテーパ面１４ａとのなす空
間ｆ，ｇが形成されるので接合完了の際バリ等に
よる干渉の影響を防ぐことができる、など多くの
顕著な効果を奏する。 Further, since the engaging portion 15b of the lateral protruding portion 13b is cut obliquely to the axial direction to form the slope 19, the engaging portion does not have play in the radial direction. Moreover, such engaging portions 15a and 15b can be easily formed by injection molding by making the retainer made of synthetic resin such as nylon. In addition, the engaging portion 15a of the neck portion 17 and the lateral protrusion portion 13b
The spaces e and h formed between the tapered surface 14b and the slope 19
Since the spaces f and g are formed between the tapered surface 14a of the central protrusion 13a and the tapered surface 14a of the central protrusion 13a, there are many remarkable effects such as being able to prevent the influence of interference due to burrs etc. upon completion of joining.
第１図は従来の２つ割り保持器の接合部の説明
図、第２図、第３図は他の従来の２つ割り保持器
の例の正面図、第４図はこの考案の実施例の正面
図、第５図及び第６図はこの考案の実施例の隣接
する接合部の斜視図、第７図は第６図のＸ−Ｘ線
による接合部の断面図である。
１１ａ，１１ｂ……部材、１２ａ，１２ｂ……
接合部、１３ａ……中央突出部、１３ｂ……側方
突出部、１４ａ……中央突出部のテーパ面、１４
ｂ……側方突出部のテーパ面、１５ａ……係合
部、１５ｂ……係合部、１６……凹所、１７……
首部、１８……凹所壁面、１９……係合部の斜
面、２０……首部のテーパ面。
Fig. 1 is an explanatory diagram of the joint part of a conventional two-split cage, Figs. 2 and 3 are front views of other examples of conventional two-split cages, and Fig. 4 is an embodiment of this invention. , FIGS. 5 and 6 are perspective views of adjacent joints of the embodiment of the invention, and FIG. 7 is a sectional view of the joints taken along line X--X in FIG. 6. 11a, 11b... member, 12a, 12b...
Joint portion, 13a...Central protrusion, 13b...Side protrusion, 14a...Tapered surface of central protrusion, 14
b...Tapered surface of side protrusion, 15a...Engaging portion, 15b...Engaging portion, 16...Recess, 17...
Neck, 18... recess wall surface, 19... slope of engaging portion, 20... tapered surface of neck.
Claims (1)
向端部を接合してなる合成樹脂製の２つ割り保持
器において、一方の部材の接合部に半径方向外方
に向けて拡がる一対のテーパ面で挟まれた中央突
出部を設け、該中央突出部から円周方向内方に次
第に幅狭となるテーパ面をもつて首部を形成し、
他方の部材の接合部には前記中央突出部のテーパ
面と同一角度のテーパ面を有する一対の側方突出
部により凹所を形成し、さらに円周方向からみて
側方突出部から凹所壁面に向けて斜外方に延びる
斜面で係合部を形成すると共に、中央突出部を一
対の側方突出部の弾性変形により前記凹所に挿入
して中央突出部の首部のテーパ面を係合部の斜面
と係合させたことを特徴とする２つ割り保持器。 In a synthetic resin two-split cage formed by joining opposite ends of two parts along a plane including the axis, a pair of parts extending radially outward are attached to the joining part of one member. A central protruding portion sandwiched between tapered surfaces is provided, and a neck portion is formed with a tapered surface that gradually becomes narrower inwardly in the circumferential direction from the central protruding portion,
A recess is formed at the joint of the other member by a pair of lateral protrusions having a tapered surface at the same angle as the tapered surface of the central protrusion, and further, when viewed from the circumferential direction, a recess is formed from the lateral protrusion to the recess wall surface. An engaging portion is formed by a slope extending diagonally outward toward the central projection, and the central projection is inserted into the recess by elastic deformation of the pair of lateral projections to engage the tapered surface of the neck of the central projection. A two-part cage, characterized in that it is engaged with a slope of the part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5664083U JPS59163223U (en) | 1983-04-18 | 1983-04-18 | split cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5664083U JPS59163223U (en) | 1983-04-18 | 1983-04-18 | split cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59163223U JPS59163223U (en) | 1984-11-01 |
| JPS642974Y2 true JPS642974Y2 (en) | 1989-01-25 |
Family
ID=30186962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5664083U Granted JPS59163223U (en) | 1983-04-18 | 1983-04-18 | split cage |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59163223U (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009012241A1 (en) * | 2009-03-07 | 2010-09-09 | Werner Beuerlein | Rolling bearing with segmented cage |
| DE102011080168B4 (en) * | 2011-08-01 | 2022-06-30 | Aktiebolaget Skf | Concept for a slotted bearing cage |
| DE102017109529A1 (en) * | 2017-05-04 | 2018-11-08 | Schaeffler Technologies AG & Co. KG | Rolling bearing cage |
| KR102008139B1 (en) * | 2018-04-24 | 2019-10-21 | 셰플러코리아(유) | A Cage For Ball Bearing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5786619A (en) * | 1980-11-06 | 1982-05-29 | Indasutoriiueruku Shietsufurer | Plastic race for ball-and-roller bearing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5833301Y2 (en) * | 1977-01-31 | 1983-07-25 | 日本精工株式会社 | Plastic cage for rolling bearings |
-
1983
- 1983-04-18 JP JP5664083U patent/JPS59163223U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5786619A (en) * | 1980-11-06 | 1982-05-29 | Indasutoriiueruku Shietsufurer | Plastic race for ball-and-roller bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59163223U (en) | 1984-11-01 |
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