JPS61153018A - Equi-speed joint for applying initial pressure against ball - Google Patents
Equi-speed joint for applying initial pressure against ballInfo
- Publication number
- JPS61153018A JPS61153018A JP27343984A JP27343984A JPS61153018A JP S61153018 A JPS61153018 A JP S61153018A JP 27343984 A JP27343984 A JP 27343984A JP 27343984 A JP27343984 A JP 27343984A JP S61153018 A JPS61153018 A JP S61153018A
- Authority
- JP
- Japan
- Prior art keywords
- ball
- joint
- groove
- yoke
- ball groove
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/24—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts comprising balls, rollers, or the like between overlapping driving faces, e.g. cogs, on both coupling parts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、ジヨイント角度（入出力ヨークがなす角）が
高角度でかつ回転方向の遊びを問題とする用途、例えば
自動車用ハンドルジヨイントに使用する等速ジヨイント
に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention is applicable to applications where the joint angle (the angle formed by the input/output yoke) is high and play in the rotational direction is a problem, such as steering wheel joints for automobiles. Concerning the constant velocity joint to be used.
従来、自動車用等速ジヨイントとして種々の形式が使用
されているが、例えばワイス型等速ジヨイントに関して
も一般に等速性が良好で、なめらかに回転することが知
られている。Conventionally, various types of constant velocity joints for automobiles have been used, and it is known that, for example, Weiss type constant velocity joints generally have good uniformity and rotate smoothly.
例えば第３図ａ、ｂに示すように、ワイス型等速ジヨイ
ントは入出力ヨーク１１．１２とボール１３．１４とよ
り成る。ヨーク１１．１２は軸方向に延長する継手部を
有し、各継手部の側面には互いに共働してボールを保持
するボール溝１５、正、１７．１８が設けられている。For example, as shown in FIGS. 3a and 3b, a Weiss type constant velocity joint consists of an input/output yoke 11.12 and a ball 13.14. The yoke 11.12 has axially extending joints, each of which is provided on its side with ball grooves 15, 17, 18 which co-operate with each other and hold the balls.
溝の断面は半径ｒの円弧で、ボール１９はボール溝Ｉと
只一点で接触している。The cross section of the groove is an arc of radius r, and the ball 19 is in contact with the ball groove I at only one point.
入出力ヨーク１１．１２はジヨイント角αをもって組み
立てられ、ボール１３．１４はそれぞれ溝１５と１６．
１７と１８との交差部分において保持され、りねにその
位置を正確に保持することにより、等速性が保たれ、な
めらかに回転するようになっている。The input and output yokes 11.12 are assembled with a joint angle α, and the balls 13.14 have grooves 15 and 16.1, respectively.
It is held at the intersection of 17 and 18, and by accurately holding that position on the ribs, constant velocity is maintained and smooth rotation is achieved.
ジヨイント角αが小さい場合には、共働するボール溝の
交差角はＡＳＢ側ともにかなシ大きく、ボールはボール
溝の交差点にほぼ正確に保持されとくに問題はない。し
かしながら、ジヨイント角αが大きくなると、Ｂ側に位
置するボ−ル１４は共働するボール溝１７．１８の交差
角が大きくなるため確実に保持されるが、逆にＡ側に位
置するボール１３は共働するボール溝１５．１６の交差
角が極端に小さくなるため、ボールとボール溝との僅か
な寸法差が原因となって遊びが生ずる。When the joint angle α is small, the intersecting angles of the cooperating ball grooves are quite large on both the ASB sides, and the ball is held almost exactly at the intersection of the ball grooves without any particular problem. However, when the joint angle α increases, the ball 14 located on the B side is held securely because the intersecting angle of the cooperating ball grooves 17 and 18 increases, but conversely, the ball 14 located on the A side Since the intersecting angle of the cooperating ball grooves 15, 16 becomes extremely small, play occurs due to slight dimensional differences between the ball and the ball groove.
を九、負荷荷重から生ずるヨーク継手部の僅かな弾性変
形による隙間もボールの遊びを助長し、その念め回転中
ボールが人、出力ヨークのボール溝の交差点に正確に保
持されなくな９、なめらかな回転が不可能となる。9. The gap caused by the slight elastic deformation of the yoke joint caused by the applied load also promotes play of the ball, which may prevent the ball from being held accurately at the intersection of the ball grooves of the output yoke during rotation.9. Smooth rotation becomes impossible.
この現象は、ジヨイント角αが大きくなるほど顕著であ
る。This phenomenon becomes more pronounced as the joint angle α increases.
要するに、ワイス型等速ジヨイントを例えば自動車用ハ
ンドルジヨイントのようにジヨイント角度が高角度でか
つ回転方向の遊びを問題にする用途に適用した場合、従
来のワイス型等速ジヨイントでは第３図ａのＢ側に位置
するボールは問題ないが、Ａ側に位置するボールは、保
持がきわめて不安定（回転中、入出力ヨークのボールが
溝の交差点に正確に保持されなくなる。）となり、なめ
らかな回転ができなくなるという欠点を避けられない。In short, when a Weiss type constant velocity joint is applied to an application where the joint angle is high and play in the rotational direction is a problem, such as a steering wheel joint for an automobile, the conventional Weiss type constant velocity joint cannot be used as shown in Figure 3a. There is no problem with balls located on the B side of The disadvantage of not being able to rotate cannot be avoided.
また、最悪事態として、この反負荷側に位置する上記不
安定なボールが運転中の振動により脱落し、この種等速
ジヨイントとして致命的な不具合が発生する危険性があ
る。In the worst case scenario, the unstable ball located on the opposite load side may fall off due to vibration during operation, causing a fatal problem for this type of constant velocity joint.
本発明は、ジヨイント角度が高角度でかつ回転方向の遊
びを問題とする用途、例えば自動車用ハンドルジヨイン
トに使用しても、上記従来の不具合を生ずることがなく
、つねになめらかに回転を伝達することのできる、等速
ジヨイントを提供する。Even when the present invention is used in applications where the joint angle is high and play in the rotational direction is a problem, such as an automobile handle joint, the above-mentioned conventional problems do not occur, and rotation is always transmitted smoothly. Provides a constant velocity joint that can be used.
〔問題点を解決するための手段および作用〕と、こで例
えばワイス型等速ジヨイントにおけるボールの遊びにつ
いてさらに検討する。[Means and effects for solving the problem] and, for example, the play of the ball in a Weiss type constant velocity joint will be further discussed.
ジヨイント角度αが大きい場合、第３図ａにおいてＡ側
位置のボール１３とボール溝１５．１６の間に隙間が生
ずる。この原因として［ボールとボール溝との間の曲率
半径の差」ならびに「負荷状態時のヨーク継手部の微小
な弾性変形」が問題となる。When the joint angle α is large, a gap is created between the ball 13 at the A side position in FIG. 3a and the ball groove 15,16. The causes of this are the difference in the radius of curvature between the ball and the ball groove and the minute elastic deformation of the yoke joint under load.
「ボールとボール溝との間の曲率半径の差」をなくすに
は、ボールに対するボール溝の曲率を５０係にする必要
がある。しかし、現実にはボール溝の加工公差もあり、
完全には５０慢にすることは難しい。第３図すに示すよ
うにボール溝曲率をいかに５０％に近づけても完全に５
０４にしないかぎ夛、ボールに対する接触は一点接触で
あり、ジヨイント角度が大きくなるにつれ回転方向の遊
びが大きくなる。In order to eliminate the "difference in the radius of curvature between the ball and the ball groove," it is necessary to set the curvature of the ball groove to the ball by a factor of 50. However, in reality, there are machining tolerances for ball grooves,
It is difficult to be completely arrogant. As shown in Figure 3, no matter how close the ball groove curvature is to 50%, it is completely 50%.
If the key is not set to 04, the contact with the ball is a single point contact, and as the joint angle increases, the play in the rotational direction increases.
そこで、ボール′溝形状をボールがボール溝に対して２
点接触（共働するボール溝に対して４点接触）となるよ
うＶ字形成いはゴシックアーチを含む曲面等とし、つね
にボールをボール溝の交差点に正確に保持することが考
えられる。Therefore, we decided to change the shape of the ball groove so that the ball is 2.
It is conceivable to use a V-shape or a curved surface including a gothic arch to ensure point contact (four-point contact with the cooperating ball grooves) so that the ball is always accurately held at the intersection of the ball grooves.
そして、「負荷状態時ジヨイント継手部に生ずる微小な
弾性変形」に対しては、ヨーク継手部に微小な弾性変形
が生じても、なおかつボールに遊びが生じない程度の予
圧をあたえることによシこれを防止することができる。In order to deal with the "minor elastic deformation that occurs in the joint joint under load," the system applies a preload that does not cause any play in the balls even if a slight elastic deformation occurs in the yoke joint. This can be prevented.
従って、本発明によれば、等速ジヨイントにおいてヨー
ク継手部の溝の形状をＶ字部或いはゴシックアーチを含
む曲面等で形成し、ボールがボール溝に対して２点接触
となるようにするとともにボールがつねに予圧をうける
ように初期予圧を加えることにより、ジヨイント角度が
大きい場合にも回転方向の遊びがなくなめらかな回転が
可能になる。Therefore, according to the present invention, in the constant velocity joint, the shape of the groove of the yoke joint part is formed with a V-shaped part or a curved surface including a Gothic arch, so that the ball makes two-point contact with the ball groove. By applying an initial preload so that the ball is always preloaded, even when the joint angle is large, there is no play in the rotational direction and smooth rotation is possible.
以下、第１図および第２図を参照し、実施例に基づいて
本発明を説明する。Hereinafter, the present invention will be described based on examples with reference to FIGS. 1 and 2.
第１図ａ ％ ｅＬは、等速ジヨイント例えばワイス型
等速ジヨイントの継手部に形成される数種類のボール溝
形状およびボール１とボール溝２との接触状態を示し、
ａはＶ形状、ｂは曲率が異なる２つの円弧で形成された
形状、Ｃは中心が異なる２つの円弧で形成された形状（
いわゆるゴシックアーチと称せられるもの）、ｄは楕円
形状のものであり、その他、双曲線形状等ボールがボー
ル溝に対して２点接触（相対するボール溝に対して４点
接触）となるよう、平面或いは曲面を組み合わせること
によシ各種のボール溝形状を形成することができる。Figure 1a % eL shows several types of ball groove shapes formed in the joint of a constant velocity joint, for example a Weiss type constant velocity joint, and the contact state between the ball 1 and the ball groove 2,
a is a V shape, b is a shape formed by two arcs with different curvatures, and C is a shape formed by two arcs with different centers (
(so-called Gothic arch), d is an elliptical shape, and other shapes such as hyperbolic shapes are flat so that the ball makes two-point contact with the ball groove (four-point contact with the opposing ball groove). Alternatively, various ball groove shapes can be formed by combining curved surfaces.
しかしながら、上記の溝形状だけでは負荷回転中にヨー
ク継手部に発生する弾性変形による隙間の発生を完全に
防止するこ六は不可能であり、そのためボールとボール
溝゛の間に弾性変形が発生しても隙間が生じない程度の
予圧をつねに加えておく必要がある。However, with the above groove shape alone, it is impossible to completely prevent the formation of gaps due to elastic deformation that occurs in the yoke joint during load rotation, and as a result, elastic deformation occurs between the ball and the ball groove. It is necessary to always apply a preload to the extent that no gaps occur even if the
第２図ａ −％−Ｃは、ボールに初期予圧を加える九め
の人、出力ヨーク（３，４）のボール保持部の断面を示
すもので、ａではボール溝に保持されたボール（５，６
，７，８）のボール径を調整することによシ予田を加え
るようになっており（点線は通常のボールを示すＬ ｂ
では使用ボール（５，６，７，８）に対してヨーク側か
らかかる予圧が過大になるように制作しておき、ヨーク
継手部３．４に２ケ所（入力側或いは出力側のみ）また
は４ケ所（人、出力側とも）にスリット９を設け、これ
による継手部の弾性変形で必要な予圧を加えるようにし
ており（点線はボール挿入前の状態を示す）、さらに、
Ｃでは使用ボール（５，６，７，８）に対して、ヨーク
３．４間ＫｒＩ！１間が生ずるように製作しておき、ヨ
ーク継手部に設けたスリット９に喫１０を挿入すること
により必要な予圧を加えるようになっている（点線は楔
挿入前の状態を示す）。Figure 2 a-%-C shows the cross section of the ball holding part of the output yoke (3, 4), which is the ninth person who applies initial preload to the ball. ,6
, 7, 8) by adjusting the ball diameter (the dotted line indicates the normal ball).
Then, the preload applied from the yoke side to the balls (5, 6, 7, 8) to be used is made to be excessive, and the yoke joint part 3.4 is made at two locations (only on the input side or output side) or at four A slit 9 is provided at both locations (both on the person and the output side), and the necessary preload is applied through elastic deformation of the joint (the dotted line indicates the state before the ball is inserted).
In C, for the balls used (5, 6, 7, 8), the yoke is 3.4 KrI! The yoke joint is manufactured in such a way that a gap of 1 is generated, and a necessary preload is applied by inserting a slit 10 into a slit 9 provided in the yoke joint (the dotted line shows the state before the wedge is inserted).
上記のように、本発明によれば等速ジヨイントにおいて
ヨーク継手部の溝の形状をＶ字部或いはゴーシックアー
チを含む曲面等で形成し、ボールがボール°溝に対して
２点接触となるようＫするとともにボールがつねに予圧
をうけるように初期予圧を加えることにより、ジヨイン
ト角度が高角度になったときでもボールはつねにボール
溝の交差点に正確に位置し、なめらかな回転が可能にな
る。As described above, according to the present invention, in a constant velocity joint, the shape of the groove of the yoke joint part is formed with a V-shaped part or a curved surface including a gothic arch, so that the ball makes two-point contact with the ball groove. By applying an initial preload so that the ball is always preloaded, the ball is always accurately positioned at the intersection of the ball grooves even when the joint angle is high, and smooth rotation is possible.
そのため、例えばハンドルジヨイントのような高角度で
かつ回転方向の遊びを問題とする個所に等速ジヨイント
を設置しなければならないような場合にも、確実に対応
することができる。Therefore, it is possible to reliably handle cases where a constant velocity joint must be installed at a location such as a handle joint where play at a high angle and in the rotational direction is a problem.
なお、本実施例ではワイス型等速ジヨイントについて説
明したが、ツエツパ型のような他形式のボールを使用し
た等速ジヨイントにおいても、同様に初期予圧を加え、
回転方向の遊びをなくすることが可能である。In this example, a Weiss type constant velocity joint was explained, but a constant velocity joint using other types of balls such as a Tetsuppa type can also be applied by applying an initial preload in the same way.
It is possible to eliminate play in the rotational direction.
第１図ａ−ｄは本発明におけるボールとボール溝の関係
を示す断面図。
第２図ａ ％ ａは同じく人、出力ヨークのボール保持
部の断面図。
第３図ａは従来のワイス型等速ジヨイントの側面図。同
じくｂはボールとボール溝の関係を示す断面図。
１・・・ボール ２・・・ボール溝部３．４・・・
人、出力ヨーク
５．６．７．８・・・ボール
９・・・スリット １０・・・楔
第１因
（０） （ｂ）（Ｃ）
（ｄ）第２図
（ｂ） （Ｃ）
第３図
（ｂ）1A to 1D are cross-sectional views showing the relationship between the ball and the ball groove in the present invention. Figure 2 a % a is a sectional view of the ball holding part of the output yoke. FIG. 3a is a side view of a conventional Weiss type constant velocity joint. Similarly, b is a sectional view showing the relationship between the ball and the ball groove. 1...Ball 2...Ball groove 3.4...
Person, output yoke 5.6.7.8...Ball 9...Slit 10...Wedge 1st factor (0) (b) (C)
(d) Figure 2 (b) (C) Figure 3 (b)
Claims (1)
アーチを含む曲面等で形成してボールがボール溝に対し
て２点接触となるようにするとともに、ボールがつねに
予圧をうけるように初期予圧を加えることを特徴とする
、等速ジョイント。The shape of the ball groove in the yoke joint is formed into a V-shaped part or a curved surface including a gossock arch so that the ball makes two-point contact with the ball groove, and an initial preload is applied so that the ball is always under preload. A constant velocity joint characterized by the addition of:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27343984A JPS61153018A (en) | 1984-12-26 | 1984-12-26 | Equi-speed joint for applying initial pressure against ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27343984A JPS61153018A (en) | 1984-12-26 | 1984-12-26 | Equi-speed joint for applying initial pressure against ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61153018A true JPS61153018A (en) | 1986-07-11 |
Family
ID=17527924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27343984A Pending JPS61153018A (en) | 1984-12-26 | 1984-12-26 | Equi-speed joint for applying initial pressure against ball |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61153018A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4344982C1 (en) * | 1993-12-30 | 1995-06-22 | Gkn Automotive Ag | Synchronising rotary joint for vehicle steering trains |
| WO2009147935A1 (en) * | 2008-06-05 | 2009-12-10 | サンデン株式会社 | Wobble plate type variable displacement compressor |
| US7887423B2 (en) * | 2007-12-17 | 2011-02-15 | Nexteer (Beijing) Technology Co., Ltd. | Universal joint |
-
1984
- 1984-12-26 JP JP27343984A patent/JPS61153018A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4344982C1 (en) * | 1993-12-30 | 1995-06-22 | Gkn Automotive Ag | Synchronising rotary joint for vehicle steering trains |
| US7887423B2 (en) * | 2007-12-17 | 2011-02-15 | Nexteer (Beijing) Technology Co., Ltd. | Universal joint |
| WO2009147935A1 (en) * | 2008-06-05 | 2009-12-10 | サンデン株式会社 | Wobble plate type variable displacement compressor |
| JP2009293519A (en) * | 2008-06-05 | 2009-12-17 | Sanden Corp | Swing plate type variable displacement compressor |
| US20110079139A1 (en) * | 2008-06-05 | 2011-04-07 | Shinji Tagami | Wobble Plate Type Variable Displacement Compressor |
| US8783161B2 (en) | 2008-06-05 | 2014-07-22 | Sanden Corporation | Wobble plate type variable displacement compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4747803A (en) | Tripod homokinetic universal joint with cylindrical rollers and a flat roller guide | |
| US4773890A (en) | Slidable-type homokinetic (universal) tripod joint | |
| JPH02240412A (en) | Uniform joint | |
| CA2094852C (en) | Cross groove constant velocity joint cage having angled ball retaining windows | |
| JPS61153018A (en) | Equi-speed joint for applying initial pressure against ball | |
| JPS6127313A (en) | Drive assembly of pre-load | |
| JP3247605B2 (en) | Elastic shaft coupling device | |
| JP2002005178A (en) | Raceway groove structure of ball | |
| JP3333310B2 (en) | Mounting structure for resin boots | |
| JPS61153019A (en) | Equi-speed joint | |
| JPS60201119A (en) | Elastic joint device of shaft | |
| JPH0736184Y2 (en) | Constant velocity universal joint | |
| JPH06109028A (en) | Constant velocity universal joint | |
| JP2518944Y2 (en) | Constant velocity universal joint | |
| JPH0942261A (en) | Male screw | |
| JP2791593B2 (en) | Ball joint ball seat | |
| JPH0140336Y2 (en) | ||
| JPH06337018A (en) | Shaft coupling | |
| KR100278884B1 (en) | Constant velocity joint | |
| JP2633038B2 (en) | Nut structure | |
| JP2002054641A (en) | Rotating device | |
| GB2086008A (en) | Homokinetic joint | |
| JP2514956Y2 (en) | Constant velocity joint | |
| JPS5954814A (en) | Linearly operating ball bearing | |
| JPS6030493Y2 (en) | constant velocity universal joint |