JPS5838166Y2 - Cage for split type rolling bearings - Google Patents
Cage for split type rolling bearingsInfo
- Publication number
- JPS5838166Y2 JPS5838166Y2 JP13797077U JP13797077U JPS5838166Y2 JP S5838166 Y2 JPS5838166 Y2 JP S5838166Y2 JP 13797077 U JP13797077 U JP 13797077U JP 13797077 U JP13797077 U JP 13797077U JP S5838166 Y2 JPS5838166 Y2 JP S5838166Y2
- Authority
- JP
- Japan
- Prior art keywords
- cage
- circumferential
- type rolling
- flange
- center
- 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
Description
【考案の詳細な説明】
本考案は自動車、二輪車等の内燃機関、コンプレッサー
等のコンロッド大端軸受として用いられる分割型ころが
り軸受の保持器に関するものである。[Detailed Description of the Invention] The present invention relates to a cage for a split rolling bearing used as a connecting rod big end bearing in internal combustion engines such as automobiles and motorcycles, and compressors.
この種の分割型ころがり軸受の保持器は第4図乃至第6
図に示すように、断面形状を略M字状に形成した半円弧
状の2個の保持器半休1aylbからなり、この保持器
半休1a、lbにはその円周面上に等長間隔離隔させて
、針状ころ2が嵌入し得る複数のポケツ)Icがその長
寸方向を保持器の軸方向に一致させて開設されている。The cage for this type of split rolling bearing is shown in Figures 4 to 6.
As shown in the figure, it consists of two semicircular cage half-holes 1aylb with a substantially M-shaped cross section, and the cage half-holes 1a and lb are spaced at equal lengths on their circumferential surface. A plurality of pockets (Ic) into which the needle rollers 2 can be fitted are provided with their longitudinal directions aligned with the axial direction of the cage.
そしてこの2個の保持器半体1atlbは軸体又は内輪
を囲繞するように、前記ポケット1cに針状ころ2を嵌
入させて2個の保持器半休1a、1bの円周方向の端面
を接合させるようにして分割型ころがり軸受を構成して
いる。These two cage halves 1atlb are formed by fitting the needle rollers 2 into the pockets 1c so as to surround the shaft body or inner ring, and joining the circumferential end surfaces of the two cage halves 1a and 1b. A split type rolling bearing is configured in this way.
ところで従来の分割型ころがり軸受の保持器は第6図よ
り明らかなように、各保持器半休1a。By the way, in the cage of the conventional split type rolling bearing, as is clear from FIG. 6, each cage is half-closed 1a.
1bの円周方向の両端には径中心方向に延出する鍔部1
dを有し、この鍔部1dの径方向幅寸法は、その円周方
向の全長にわたり一定寸法になるように形成されていた
。Flange portions 1 extending in the radial center direction are provided at both circumferential ends of 1b.
d, and the radial width dimension of this collar portion 1d was formed to be constant over its entire circumferential length.
而してこのような分割型ころがり軸受が回転運動をした
場合には、保持器は自転の他に公転運動も行い、保持器
に作用する荷重が複雑に作用し、特に2個の保持器半休
1a、1bの円周方向の端面が接合した部分には異常な
衝撃力、加圧力等が加わる。When such a split-type rolling bearing rotates, the cage not only rotates but also revolves, and the load acting on the cage is complex, especially when the two cages are partially idle. Abnormal impact force, pressing force, etc. are applied to the portion where the circumferential end surfaces of 1a and 1b are joined.
その結果半円弧状の保持器半体1at1bの円周方向の
略中間位置には前記衝撃力、加圧力等の応力が集中的に
加ってその部分でクラックが発生したり折損する等して
軸受破損事故に至る虞れがあった。As a result, stress such as the impact force and pressurizing force is concentratedly applied to the semicircular arc-shaped retainer half body 1at1b at an approximately midpoint in the circumferential direction, resulting in cracks or breakage at that portion. There was a risk of bearing damage.
またこの破損事故は分割型ころがり軸受の保持器を使っ
たベンチテストにおいても同様にして破損に至ることが
確認された。It was also confirmed that this failure occurred in a bench test using a cage for a split type rolling bearing.
本考案は前述した問題点に鑑み、分割型ころがり軸受の
保持器を構成する各保持器半休の、径方向中心に延出す
る鍔部の幅寸法を、保持器半休の円周方向の端部から円
周方向の中央部に向うにしたがって次第に広くすること
により、前記クランク等の破損事故を防止し得る新規な
分割型ころがり軸受用保持器を提案したものである。In view of the above-mentioned problems, the present invention is based on the width dimension of the flange extending from the center in the radial direction of each cage half-hoist constituting the cage of a split type rolling bearing. The present invention proposes a new split-type rolling bearing retainer that can prevent damage to the crank and the like by gradually widening the retainer toward the center in the circumferential direction.
以下本考案に係る分割型ころがり軸受用保持器を、実施
例を示す図面に基いて詳しく説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The split rolling bearing retainer according to the present invention will be described in detail below with reference to drawings showing embodiments.
第1図において10a、lObは断面M字状に形成した
半円弧状の保持器半休であり、この保持器半体10a。In FIG. 1, reference numerals 10a and 1Ob are semi-circular retainer halves having an M-shaped cross section, and this retainer half 10a.
10bにはその円周面上に等長間隔離隔させて、針状こ
ろ2が嵌入し得る複数のポケットがその長寸方向を保持
器の軸方向に一致させて開設されている。A plurality of pockets into which the needle rollers 2 can fit are formed on the circumferential surface of the roller 10b at equal length intervals, with the longitudinal direction of the pockets aligned with the axial direction of the cage.
そしてこれらの2個の保持器半休10a。10bにより
保持器を構成している。And these two cage half-holidays 10a. 10b constitutes a cage.
いま、例えば一方の保持器半休10aにおける円周方向
の端部において径中心方向に延出する鍔部10dは、そ
の鍔部10dの外周円が外周中心点0より適長半径Ro
による半円弧で形成されており、また鍔部10dの内周
円は保持器半体10aの円周方向端縁を結ぶ直線に対す
る前記外周中心点Oを通る垂直線上において、外周中心
点0より適長寸法dだげ外方に偏心した位置に内周中心
点O′を定めて、この内周中心点0′より前記Roより
小さい適長の半径Riによる半円弧で形成されている。Now, for example, the flange 10d extending in the radial center direction at the end in the circumferential direction of one of the retainer half-rests 10a has an outer circumferential circle of the flange 10d with an appropriate major radius Ro from the outer periphery center point 0.
The inner circumferential circle of the flange portion 10d is formed by a semicircular arc formed by the outer circumferential center point 0 on a perpendicular line passing through the outer circumferential center point O with respect to the straight line connecting the circumferential edges of the cage half body 10a. An inner circumferential center point O' is set at a position eccentrically outward by the length d, and a semicircular arc is formed from this inner circumferential center point O' with a radius Ri having an appropriate length smaller than the Ro.
また他方の保持器半体10bも前記同様の半円弧により
外周円及び内周円が定められている。Further, the other retainer half 10b also has an outer circumferential circle and an inner circumferential circle defined by semicircular arcs similar to those described above.
また複数のポケットが並ぶ間に設けられた柱部の内接円
の中心は、軸受中心と一致させる必要性から、前記外周
中心点Oと同一位置に定められていて、そのため柱部の
内接円は鍔部10dの外周円と同心状で形成されている
。In addition, the center of the inscribed circle of the column provided between the plurality of pockets is set at the same position as the outer circumference center point O, because it is necessary to match the center of the bearing. The circle is formed concentrically with the outer circumferential circle of the collar portion 10d.
従ってこれらの半円弧状の保持器半体10a、10bは
その円周方向の両端から円周方向の中央部に向うに従い
、保持器半体10a、10bの側端部に形成された鍔部
10cの径方向の幅寸法は次第に広くなっており、円周
方向の中間では円周方向の両端における鍔部10dの幅
寸法に比べて前記偏心させた寸法dより稍々短い寸法だ
け広(形成されている。Therefore, these semicircular arc-shaped retainer halves 10a, 10b have flange portions 10c formed at the side ends of the retainer halves 10a, 10b as they move from both ends in the circumferential direction toward the center in the circumferential direction. The width dimension in the radial direction gradually becomes wider, and in the middle of the circumferential direction, it is widened by a dimension slightly shorter than the eccentric dimension d compared to the width dimension of the flange 10d at both ends in the circumferential direction. ing.
そのため円弧状の保持器半休10 a 、10 bの円
周方向の略中間位置に集中的に加わる衝撃力、加圧力等
の応力に対して充分な補強を行なうことができ、保持器
半体10a、10bの破損を防ぎ得る。Therefore, it is possible to provide sufficient reinforcement against stresses such as impact force and pressurizing force that are intensively applied to the substantially intermediate position in the circumferential direction of the arc-shaped cage half bodies 10a and 10b. , 10b can be prevented from being damaged.
次に本考案に係る分割型ころがり軸受保持器の加工方法
について説明する。Next, a method of processing the split type rolling bearing retainer according to the present invention will be explained.
第2図に示すように断面を略M字状に形成して、所要仕
上り寸法より半径方向に幅広の鍔部相当部11を設け、
また円周面上には少な(とも半円周にわたって複数個の
針状ころ2を嵌入し得るポケットを形成した保持器素体
12を作る。As shown in FIG. 2, the cross section is formed into a substantially M-shape, and a flange equivalent portion 11 is provided that is wider in the radial direction than the required finished dimension,
Further, a cage element body 12 is formed on the circumferential surface thereof to form a small number of pockets into which a plurality of needle rollers 2 can be fitted over a half circumference.
次に保持器素体12の1つの直径と交わる部位において
保持器半休の両端面13a 、 13bとなるべき位置
を決定し、続いてこの両端面13a t 13bを結ぶ
直線、すなわち前記直径に直交する直径上において、こ
の保持器素体12の外周中心点Oより適長寸法dだげ偏
心させた内周中心点0′を中心として適長寸法の半径R
iによって鍔部相当部11に対して旋削加工を行ない外
周面に対して偏心した内周円を形成する。Next, determine the positions where both end faces 13a and 13b of the retainer half-rest should be at a portion that intersects with one diameter of the retainer body 12, and then draw a straight line connecting these both end faces 13a, 13b, that is, orthogonal to the diameter. On the diameter, a radius R of the appropriate length is centered on the inner circumference center point 0', which is eccentric by an appropriate length d from the outer circumference center O of this cage element body 12.
Turning is performed on the flange-corresponding portion 11 by i to form an inner circumferential circle that is eccentric with respect to the outer circumferential surface.
その後、前記両端面13 a t 13 bで切断して
必要とする半円弧状の保持器半体10a又は10bを得
ることができる。Thereafter, it can be cut at both end surfaces 13a and 13b to obtain the required semicircular arc-shaped retainer half 10a or 10b.
但しこの場合、保持器素体12を2等分することにより
1個の保持器半体10a又は10bが得られるが、保持
器素体12の残余の手内部分は廃棄されることになり材
料の歩留りは良くない。However, in this case, one cage half body 10a or 10b can be obtained by dividing the cage body 12 into two, but the remaining inner part of the cage body 12 will be discarded and the material will be The yield is not good.
第3図は上述の如き材料の無駄がない製造方法を示して
いる。FIG. 3 shows a manufacturing method that eliminates the waste of materials as described above.
すなわち第2図について説明したと同様の1個の保持器
素体12を製作し、これを2等分して半円弧状をなす2
個の保持器半体素体12a 、 12bを作る。That is, one cage element body 12 similar to that explained with reference to FIG.
The cage half bodies 12a and 12b are made.
次に長さ2dの適宜形状のスペーサ14,14を両保持
器半体素体12a。Next, spacers 14, 14 of a suitable shape having a length of 2d are attached to both cage half bodies 12a.
12b夫々の各2個の分割端面間に各分割端面が2dだ
げ離隔するように介在させて環状体となして固定する。The divided end faces are interposed between the two divided end faces of each of 12b so as to be separated by 2d, and fixed as an annular body.
然る後この環状体の中心、すなわち保持器半休素体12
at12b夫々の中心0,0を結ぶ線分の中心(0より
dだげ離隔した位置)を内周中心点O′として半径Ri
により鍔部相当部11に対して旋削加工を行い、保持器
半体素体12at12bの外周円に対して偏心した内周
円を形成する。After that, the center of this annular body, that is, the cage semi-dormant body 12
The center of the line segment connecting the centers 0 and 0 of at12b (a position separated by d from 0) is the inner circumference center point O', and the radius Ri
Turning is performed on the flange-corresponding portion 11 to form an inner circumferential circle eccentric to the outer circumferential circle of the retainer half body 12at12b.
そして2個のスペーサ14.14及び保持器半体素体1
2a、12bを夫々分離させることにより、必要とする
形状寸法の2個の保持器半体10a、10bが得られる
。and two spacers 14, 14 and cage half body 1
By separating 2a and 12b, respectively, two cage halves 10a and 10b having the required shape and dimensions are obtained.
この方法によれば、同時に2個の保持器半体10 a
、10 bが得られて、材料の無駄がな(コストダウン
を図り得、多量生産に適している。According to this method, two cage halves 10 a are simultaneously
, 10 b can be obtained, there is no wastage of materials (cost can be reduced, and it is suitable for mass production).
以上詳述したように本考案に係る分割型ころがり軸受用
保持器によれば、保持器半体10a。As described in detail above, according to the split type rolling bearing cage according to the present invention, the cage half body 10a.
10bの側端部において径中心方向に延出する鍔部10
dの幅寸法を、保持器半体10a 、 1 obの円周
方向の端部から円周方向の中央部に向かうに従って漸増
形成したことにより、円周方向の中央部に集中する応力
に対応して機械的強度を補強し得て、保持器半休のクラ
ックや折損等の破損事故を有効に防止できる。Flange portion 10 extending in the radial center direction at the side end portion of 10b
By forming the width dimension of d to gradually increase from the circumferential end of the retainer halves 10a, 1 ob toward the circumferential center, stress concentrated in the circumferential center can be accommodated. The mechanical strength of the cage can be reinforced, and damage accidents such as cracks and breakage of the retainer can be effectively prevented.
逆に保持器の仕様が保持器半休の中央部における強度に
よって規制される場合には保持器半体夫々の端部におけ
る鍔部寸法を狭寸化し得、保持器重量の低減が可能にな
ることになる。On the other hand, if the specifications of the cage are regulated by the strength at the center of the cage half, the dimensions of the flange at the ends of each half of the cage can be narrowed, making it possible to reduce the weight of the cage. become.
以上のように本考案は分割型ころがり軸受用の保持器の
強度向上又は重量軽減に寄与するところ多大である。As described above, the present invention greatly contributes to improving the strength and reducing the weight of cages for split-type rolling bearings.
第1図は本考案に係る分割型ころがり軸受用保持器の正
面図、第2図及び第3図は本考案に係る分割型ころがり
軸受用の保持器半休を機械加工する方法を示す正面図、
第4図は針状ころと共に示す従来の分割型ころがり軸受
用保持器の平面図、第5図は第4図におけるA−A線断
面図、第6図は従来の分割型ころがり軸受保持器の正面
図である。
10a、10b・・・保持器半休、10 d ・・・鍔
部、12・・・保持器素体、14・・・スペーサ。FIG. 1 is a front view of a cage for a split type rolling bearing according to the present invention, and FIGS. 2 and 3 are front views showing a method of machining a cage half-open for a split type rolling bearing according to the present invention.
Fig. 4 is a plan view of a conventional split type rolling bearing cage shown together with needle rollers, Fig. 5 is a sectional view taken along line A-A in Fig. 4, and Fig. 6 is a plan view of a conventional split type rolling bearing cage. It is a front view. 10a, 10b... Cage half-open, 10 d... Flange portion, 12... Cage body, 14... Spacer.
Claims (1)
合して構成し、かつ前記各保持器半休のそれぞれの円周
面上に、ころが嵌入し得る複数個のポケットをその長寸
方向を保持器の軸方向に一致させて開設した分割型ころ
がり軸受用保持器において、前記各保持器半休の側端部
に径中心方向に延出するようにして鍔部を形成するとと
もに、該鍔部の外周円を軸受中心を中心点とする半円弧
で形成し、鍔部の内周円を前記外周円の中心点に対し外
方に偏心した位置を中心点とする半円弧で形成して、前
記各保持器半休の円周方向端部から円周方向中央部に向
かって前記鍔部の径方向の幅寸法が漸増するようにした
ことを特徴とする分割型ころがり軸受用保持器。It is constructed by joining two semi-circular cage half-holes to form a circular shape, and a plurality of pockets into which rollers can be fitted are provided on the circumferential surface of each of the cage half-holes along the length thereof. In a split-type rolling bearing cage opened with its dimensional direction aligned with the axial direction of the cage, a flange is formed at the side end of each half-opened cage so as to extend in the radial center direction, The outer circumferential circle of the flange is formed by a semicircular arc whose center point is the bearing center, and the inner circumferential circle of the flange is formed by a semicircular arc whose center point is eccentrically outward with respect to the center point of the outer circumferential circle. A split type rolling bearing cage, characterized in that the radial width dimension of the collar portion gradually increases from the circumferential end portion of each cage half-opening toward the circumferential center portion. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13797077U JPS5838166Y2 (en) | 1977-10-13 | 1977-10-13 | Cage for split type rolling bearings |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13797077U JPS5838166Y2 (en) | 1977-10-13 | 1977-10-13 | Cage for split type rolling bearings |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5463845U JPS5463845U (en) | 1979-05-07 |
JPS5838166Y2 true JPS5838166Y2 (en) | 1983-08-29 |
Family
ID=29110693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13797077U Expired JPS5838166Y2 (en) | 1977-10-13 | 1977-10-13 | Cage for split type rolling bearings |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5838166Y2 (en) |
-
1977
- 1977-10-13 JP JP13797077U patent/JPS5838166Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5463845U (en) | 1979-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6666584B2 (en) | Roller bearing cage | |
JPH0648182Y2 (en) | Roller bearing cage | |
JPH05318013A (en) | Manufacture of bearing race | |
US4411479A (en) | Double row angular contact ball bearing with one-piece outer ring and one-piece inner ring | |
JP3933336B2 (en) | Cage for thrust needle roller bearing and method for manufacturing the same | |
JP4527912B2 (en) | Roller with cage | |
JP2528882Y2 (en) | Roller bearings for engines | |
JPS5838166Y2 (en) | Cage for split type rolling bearings | |
JP4703521B2 (en) | Roller with cage | |
US4019791A (en) | Ball bearing retention construction | |
JPH07259838A (en) | Manufacture of crankshaft | |
US5218764A (en) | Method of manufacturing a rotary bearing assembly having an insertion hole | |
JP3030486B2 (en) | Roller bearing cage | |
JPS5833301Y2 (en) | Plastic cage for rolling bearings | |
JPS5836893Y2 (en) | Split cage for cylindrical roller bearings | |
JP6224402B2 (en) | Method for manufacturing outer member of wheel bearing device | |
JPH0514009Y2 (en) | ||
WO2018199232A1 (en) | Spherical sliding bearing and method for manufacturing same | |
JP5012265B2 (en) | Crankshaft support structure and crankshaft bearing | |
JPH0536091Y2 (en) | ||
US10955004B2 (en) | Wire-formed bearing cage | |
WO2022044901A1 (en) | Needle bearing | |
JPS5911211Y2 (en) | Synthetic resin cage for rolling bearings | |
JP2004232724A (en) | Half cut retainer for roller bearing, and roller bearing using the same | |
JPH0640458U (en) | Split type rolling bearing device |