JPH02129408A - Constant velocity joint - Google Patents
Constant velocity jointInfo
- Publication number
- JPH02129408A JPH02129408A JP28286888A JP28286888A JPH02129408A JP H02129408 A JPH02129408 A JP H02129408A JP 28286888 A JP28286888 A JP 28286888A JP 28286888 A JP28286888 A JP 28286888A JP H02129408 A JPH02129408 A JP H02129408A
- Authority
- JP
- Japan
- Prior art keywords
- ball
- cage
- outer joint
- ball holding
- connecting member
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram 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
- 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
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/226—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part
- F16D3/227—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part the joints being telescopic
-
- 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
- F16D2300/00—Special features for couplings or clutches
- F16D2300/10—Surface characteristics; Details related to material surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
Description
【発明の詳細な説明】 〈産業上の利用分野〉 本発明は、等速ジヨイントに関するものである。[Detailed description of the invention] <Industrial application field> The present invention relates to a constant velocity joint.
〈従来の技術〉
従来この種の等速ジヨイントにおいては、内外両継手部
材間にケージを嵌合し、このケージのボール保持窓にト
ルク伝達ボールを保持する構造となっている。<Prior Art> Conventionally, this type of constant velocity joint has a structure in which a cage is fitted between the inner and outer joint members, and a torque transmission ball is held in a ball holding window of the cage.
〈発明が解決しよ・うとする課題〉
このものにおいては、第4図および第5図に示すように
、ケージ1のケージ窓2の幅が広いため、内外両継手部
材3がスライドした場合には、トルク伝達ボール7を保
持するケージ窓2と外方継手部材4のボール溝5のエツ
ジ部6が当接してしまい、このエツジ部6の当接が大き
な抵抗となり、この等速ジヨイントを動力伝達系に使用
した場合には、振動、騒音が生じたりする恐れがあった
。<Problems to be Solved by the Invention> In this device, as shown in FIGS. 4 and 5, since the cage window 2 of the cage 1 is wide, when both the inner and outer joint members 3 slide, In this case, the edge portion 6 of the ball groove 5 of the outer joint member 4 comes into contact with the cage window 2 that holds the torque transmission ball 7, and this contact of the edge portion 6 creates a large resistance, causing the constant velocity joint to become unpowered. When used in a transmission system, there is a risk of vibration and noise being generated.
く課題を解決するだめの手段〉
本発明は、」二連した問題点を解決するためになされた
もので、外方継手部材のボール溝の円周方向両側部の前
記ボール保持窓と対向する面に面取部を形成したもので
ある。Means for Solving the Problems> The present invention has been made in order to solve two consecutive problems. A chamfered portion is formed on the surface.
く作用〉
面取部により、外方継手部材とボール保持窓との当接を
防止し、スライド抵抗を低減させる。Effect> The chamfer prevents contact between the outer joint member and the ball holding window, reducing sliding resistance.
〈実施例〉 以下本発明の実施例を図面に基づいて説明する。<Example> Embodiments of the present invention will be described below based on the drawings.
第2図において、10は被動輪を示し、この被動軸IO
の一端には内外両継手部材11がスプライン係合されて
いる。この内外両継手部材11の外周は被動軸10の軸
心上の点01を曲率中心とする突球面12に形成され、
この突球面12の円周上には複数(6つ)のボール溝1
3が軸方向に沿って形成されている。In FIG. 2, 10 indicates a driven wheel, and this driven shaft IO
Both inner and outer joint members 11 are spline engaged with one end. The outer periphery of both the inner and outer joint members 11 is formed into a convex spherical surface 12 whose center of curvature is a point 01 on the axis of the driven shaft 10,
A plurality (six) ball grooves 1 are provided on the circumference of this convex spherical surface 12.
3 is formed along the axial direction.
14は駆動軸を示し、この駆動軸14の一端には円筒状
の外方継手部材15が形成され、この外方継手部材15
の内周面16には前記内外両継手部材11の各ボール溝
13にそれぞれ対応する複数のボール溝17が軸方向に
沿って形成されている。Reference numeral 14 indicates a drive shaft, and a cylindrical outer joint member 15 is formed at one end of this drive shaft 14.
A plurality of ball grooves 17 corresponding to the respective ball grooves 13 of the inner and outer joint members 11 are formed along the axial direction on the inner circumferential surface 16 of the inner and outer joint members 11 .
18は内方および外方継手部材11.15の間に介在さ
れたケージで、このケージ18の外周は外方継手部材1
5の内周面16にスライド可能に嵌合する部分突球面1
9を備えた截頭円錐状をなし、その突球面19の曲率中
心は前記被動軸10の軸心上に位置し、かつ前記点01
から一定距離隔てられた点02となっている。またケー
ジ1Bの内周は内外両継手部材11の突球面12に合致
嵌合する凹球面20に形成されており、両者の嵌め合い
は隙間嵌合となっている。18 is a cage interposed between the inner and outer joint members 11.15, and the outer periphery of this cage 18 is the outer joint member 1.
Partially convex spherical surface 1 that slidably fits into the inner circumferential surface 16 of 5.
9, the center of curvature of the convex spherical surface 19 is located on the axis of the driven shaft 10, and the point 01
Point 02 is located a certain distance away from the point 02. Further, the inner periphery of the cage 1B is formed into a concave spherical surface 20 that fits into the convex spherical surface 12 of both the inner and outer joint members 11, and the fit between the two is a clearance fit.
前記ケージ18には、第1図に示すように、円周上等角
度間隔に複数(6つ)のボール保持窓21が形成され、
これらボール保持窓21にトルク伝達用のボール22が
保持され、これらボール22は前記内方および外方継手
部材11.15の両ボール溝13.17に係合されてい
る。As shown in FIG. 1, the cage 18 has a plurality (six) ball holding windows 21 formed at equal angular intervals on the circumference.
Torque transmitting balls 22 are held in these ball holding windows 21, and these balls 22 are engaged in both ball grooves 13.17 of the inner and outer joint members 11.15.
前記外方継手部材15のボール溝17の円周方向両側に
は、第1図に示すように、隣接するボール溝17間を結
ぶ直線状の面取部23が形成され、ケージ18はボール
保持窓21と外方継手部材15が対向しない位置で点接
触により支持されるようになっている。As shown in FIG. 1, linear chamfered portions 23 connecting adjacent ball grooves 17 are formed on both circumferential sides of the ball grooves 17 of the outer joint member 15, and the cage 18 holds the balls. The window 21 and the outer joint member 15 are supported by point contact at positions where they do not face each other.
以上の構成により、内外両継手部材11がスライドして
も、ボール保持窓21とボール溝17の両側のエツジ部
が当接しないので、継手のスライド抵抗は大きくならな
い。With the above configuration, even if both the inner and outer joint members 11 slide, the edge portions on both sides of the ball holding window 21 and the ball groove 17 do not come into contact with each other, so that the sliding resistance of the joint does not increase.
なお、この実施例では、面取部の形状が直線状のものに
ついて述べたが、この面取部の断面形状は、第3図(a
)〜(C)に示すように、隣接するボール溝間に外方継
手部材の内径rよりも大きい円弧R1、あるいは外方継
手部材の内周の接線りよりも所定角度αのテーパ、ボー
ル溝の両側面に外方継手部材の内径R1よりも径の小さ
い円弧R2にしても良い。In this embodiment, the chamfered portion has a linear shape, but the cross-sectional shape of this chamfered portion is shown in Fig. 3 (a).
) to (C), there is a circular arc R1 larger than the inner diameter r of the outer joint member between the adjacent ball grooves, or a taper or ball groove of a predetermined angle α than the tangent to the inner circumference of the outer joint member. An arc R2 having a smaller diameter than the inner diameter R1 of the outer joint member may be formed on both sides of the outer joint member.
〈発明の効果〉
上記詳述したように本発明は、外方継手部材のボール溝
の円周方向両側部の前記ボール保持窓と対向する面に面
取部を形成したので、内外両継手部材のスライド時にお
けるスライド抵抗を低減できる利点がある。<Effects of the Invention> As detailed above, in the present invention, chamfered portions are formed on the surfaces facing the ball holding windows on both circumferential sides of the ball groove of the outer joint member. This has the advantage of reducing sliding resistance during sliding.
第1図は本発明の実施例を示す第2図のI−I線に沿っ
た等速ジヨイントの断面図、第2図は等速ジヨイントの
縦断面図、第3図は他の面取部の形状例を説明するため
の図、第4図は従来の等速ジョインを示す断面図、第5
図は第4図のV−■である。
11・・・内外両継手部材、15・・・外方継手部材、
17・・・ボール溝、18・・・ケージ、21・・・ボ
ール保持窓、22・・・ボール、23・・・面取部。Fig. 1 is a sectional view of a constant velocity joint taken along line I-I in Fig. 2 showing an embodiment of the present invention, Fig. 2 is a longitudinal sectional view of the constant velocity joint, and Fig. 3 is a cross-sectional view of another chamfered portion. Figure 4 is a cross-sectional view showing a conventional constant velocity join, Figure 5 is a diagram for explaining an example of the shape of
The figure is V-■ in FIG. 4. 11...Both inner and outer joint members, 15...Outer joint members,
17... Ball groove, 18... Cage, 21... Ball holding window, 22... Ball, 23... Chamfered portion.
Claims (1)
に外方継手部材を設け、これら内外両継手部材に形成さ
れたボール溝間にケージを嵌合し、このケージのボール
保持窓にトルク伝達ボールを保持した等速ジョイントに
おいて、前記外方継手部材のボール溝の円周方向両側部
の前記ボール保持窓と対向する面に面取部を形成したこ
とを特徴とする等速ジョイント。(1) An inner joint member is provided on one side of the two intersecting shafts, an outer joint member is provided on the other side, a cage is fitted between the ball grooves formed in both the inner and outer joint members, and the cage holds the balls. A constant velocity joint in which a torque transmission ball is held in a window, characterized in that a chamfered portion is formed on a surface facing the ball holding window on both circumferential sides of the ball groove of the outer joint member. Joint.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28286888A JPH02129408A (en) | 1988-11-09 | 1988-11-09 | Constant velocity joint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28286888A JPH02129408A (en) | 1988-11-09 | 1988-11-09 | Constant velocity joint |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02129408A true JPH02129408A (en) | 1990-05-17 |
Family
ID=17658128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP28286888A Pending JPH02129408A (en) | 1988-11-09 | 1988-11-09 | Constant velocity joint |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02129408A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011142375A1 (en) * | 2010-05-13 | 2011-11-17 | Ntn株式会社 | Sliding-type constant-velocity universal joint |
-
1988
- 1988-11-09 JP JP28286888A patent/JPH02129408A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011142375A1 (en) * | 2010-05-13 | 2011-11-17 | Ntn株式会社 | Sliding-type constant-velocity universal joint |
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