JPH094646A - Constant velocity universal joint - Google Patents

Constant velocity universal joint

Info

Publication number
JPH094646A
JPH094646A JP8209568A JP20956896A JPH094646A JP H094646 A JPH094646 A JP H094646A JP 8209568 A JP8209568 A JP 8209568A JP 20956896 A JP20956896 A JP 20956896A JP H094646 A JPH094646 A JP H094646A
Authority
JP
Japan
Prior art keywords
constant velocity
drive
velocity joint
drive pin
shaft
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.)
Granted
Application number
JP8209568A
Other languages
Japanese (ja)
Other versions
JP2927248B2 (en
Inventor
Naonobu Kanamaru
尚信 金丸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8209568A priority Critical patent/JP2927248B2/en
Publication of JPH094646A publication Critical patent/JPH094646A/en
Application granted granted Critical
Publication of JP2927248B2 publication Critical patent/JP2927248B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/02Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
    • F16D3/08Couplings for intersecting shafts, provided with intermediate bars bent in an angle corresponding with the angle of intersection

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reciprocating Pumps (AREA)
  • Hydraulic Motors (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a constant velocity universal joint for transmitting rotation at constant velocity even when an inclined angle of a drive shaft changes by coupling a drive member and a member to be driven by at least three or more drive pins arranged so that one end of which moves at least slidably and other end moves turnably and slidably. SOLUTION: An input shaft 1 and an output shaft 2 are arranged with a designated tilt angle, whereby, a drive pin 5 alternately and gradually changes compression springs 6, 8 within the range from maximum compression to minimum compression according to its tilt position upon rotation of the input shaft 1 and transmits rotational drive force to the output shaft 2. At this time compression force of the compression springs 6 and 8 are normally arranged in balance, so that the drive pin 5 moves axially and positioned normally at floating condition in the center of a drive part and a ball point part 7 normally moves on a locus on a concentric circle correctly and a turn constant velocity universal joint may be implemented.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は機械相互の回転軸を
結合するに好適な等速継手に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a constant velocity joint suitable for connecting rotating shafts of machines to each other.

【0002】[0002]

【従来の技術】従来、駆動軸と被駆動軸の軸方向にピン
挿入孔を設け、その孔にバネを介して可変屈折可能な連
結ピンの両端をそれぞれ孔内を摺動するように挿入した
等速継手は特公昭46−6210号公報で知られている。
2. Description of the Related Art Conventionally, a pin insertion hole is provided in the axial direction of a drive shaft and a driven shaft, and both ends of a variable refraction connecting pin are inserted into the hole so as to slide in the hole. The constant velocity joint is known from Japanese Patent Publication No. 46-6210.

【0003】また特開昭63−308220号公報で知られてい
る等速継手は、対向する駆動軸の間にガイドピンを挾ん
で一対の駆動ピンを配設し、その駆動ピンの一端を軸方
向に摺動自在にして設け、他端を球頭にして回動自在で
かつ半径方向に移動可能な構造にしている。
Further, in a constant velocity joint known in Japanese Patent Laid-Open No. 63-308220, a pair of drive pins are arranged with a guide pin sandwiched between opposing drive shafts, and one end of the drive pin is an axis. It is provided so as to be slidable in any direction, and has a structure in which the other end is a spherical head and is rotatable and movable in the radial direction.

【0004】[0004]

【発明が解決しようとする課題】上記第1の従来技術
は、2つの連結ピンがピン軸を介して屈折して配置され
ているため、ピン軸の挿入方向が常にそれぞれ同一方向
でなければ回転継手が成立せず、常にメカニカルロック
が生じないように2つの連結ピンの継手回転バランスと
同期回転が要求される。
In the first prior art described above, since the two connecting pins are arranged so as to bend through the pin shafts, the pin shafts must rotate in the same direction unless they are inserted in the same direction. The joint rotation balance and the synchronous rotation of the two connecting pins are required so that the joint is not established and the mechanical lock does not always occur.

【0005】上記第2の従来技術は、駆動軸(継手軸)
の傾き角度の変化に対応して変位する駆動ピンのピッチ
径差を吸収できるように構成しているものの、1回転当
り2回の速度変化が生じ、必ずしも等速で回転を伝達で
きない問題があった。
The second prior art described above is based on a drive shaft (joint shaft).
Although it is configured to absorb the pitch diameter difference of the drive pin that is displaced in accordance with the change of the tilt angle of, the speed change occurs twice per rotation, and there is a problem that the rotation cannot always be transmitted at a constant speed. It was

【0006】後記した自在継手では、駆動軸の傾転角を
大きくとれない。駆動ピン挿入穴の壁面を利用してトル
クを伝達するので機械的損失が大きい等の問題もある。
In the universal joint described later, the tilt angle of the drive shaft cannot be made large. Since torque is transmitted using the wall surface of the drive pin insertion hole, there is a problem that mechanical loss is large.

【0007】本発明の目的は、駆動軸の傾き角が変化し
ても等速で回転伝達を行える等速継手を構造容易にして
提供するにある。
SUMMARY OF THE INVENTION It is an object of the present invention to provide a constant velocity joint capable of transmitting rotation at a constant speed even when the inclination angle of a drive shaft changes, with a simplified structure.

【0008】[0008]

【課題を解決するための手段】本発明は駆動部材と被駆
動部材の軸方向に複数本のシリンダ孔を設け、該シリン
ダ孔に圧縮手段を介して駆動ピンを配設し両部材間を機
械的に連結してなる自在継手であって、前記駆動部材と
被駆動部材間は、一方端を少なくともスライド自在に、
他端を回動及びスライド自在に運動する様に配置された
少なくとも3本以上の駆動ピンにより連結することによ
って達成される。
SUMMARY OF THE INVENTION According to the present invention, a plurality of cylinder holes are provided in the axial direction of a driving member and a driven member, and a driving pin is arranged in the cylinder hole via a compression means so that the two members are mechanically connected to each other. A universal joint in which at least one end is slidable between the driving member and the driven member,
This is achieved by connecting the other end with at least three drive pins arranged for pivotal and slidable movement.

【0009】この等速継手の駆動ピンの一方端は、それ
ぞれが駆動軸あるいは被駆動軸のシリンダ孔で自転しな
がら一定の軌跡にそって回転し、スライドする。そして
他端球頭部は被駆動軸あるいは駆動軸のシリンダ孔(ボ
ール受孔)で回動運動する。従って、それぞれの駆動軸
あるいは被駆動軸の回転に応じて駆動ピンは直線的スラ
イド運動を持続し、他端球頭部は被駆動軸あるいは駆動
軸に駆動中心を浮動状態に保つように保持される。
One end of the drive pin of this constant velocity joint rotates and slides along a fixed locus while rotating in a cylinder hole of the drive shaft or the driven shaft, and slides. The other end of the ball head is rotated by a driven shaft or a cylinder hole (ball receiving hole) of the drive shaft. Therefore, the drive pin continues the linear sliding motion according to the rotation of the respective drive shaft or driven shaft, and the other end ball head is held on the driven shaft or the drive shaft so as to keep the drive center in a floating state. It

【0010】それによって、それぞれのピストンはある
一定の軌跡を描いて駆動されるので等速継手が可能とな
り、機械的振動が皆無となる。
As a result, the respective pistons are driven along a certain locus, so that a constant velocity joint is possible and no mechanical vibration occurs.

【0011】[0011]

【発明の実施の形態】以下、本発明の第1の実施例を図
1及び図2に基づき説明する。
DETAILED DESCRIPTION OF THE INVENTION A first embodiment of the present invention will be described below with reference to FIGS.

【0012】別途設置される駆動手段と機械的に連結さ
れる入力軸(駆動部)1及び出力軸(被駆動部)2は冷
間鍛造加工あるいは切削加工等により成形されている。
該入力軸1には軸と平行して一方を開口するシリンダ孔
3を同心円上に均等割に4個にスライス加工等により形
成している。他方出力軸2も同様にして成形され、前記
シリンダ孔3と相対する面の同等位置にシリンダ孔4を
同様に形成している。駆動ピン5は一端がそれぞれ圧縮
バネ6を介して前記シリンダ孔3に挿入配置され、他端
球頭部7は同様前記出力軸2のシリンダ孔4の開口端に
それぞれ圧縮バネ8を介して配置されている。ここで前
記圧縮バネ8と6の圧縮はほぼ均一(出力軸側のバネ8
が多少弱くてもよい)で、駆動ピン5を常に中心部に浮
動状態で支持する様にバランスさせている。
An input shaft (driving part) 1 and an output shaft (driven part) 2 which are mechanically connected to separately installed driving means are formed by cold forging or cutting.
The input shaft 1 is formed with a cylinder hole 3 which is open in parallel with the shaft and which is open on one side into four concentric circles by evenly slicing. On the other hand, the output shaft 2 is formed in the same manner, and the cylinder hole 4 is similarly formed at the same position on the surface facing the cylinder hole 3. One end of the drive pin 5 is inserted into the cylinder hole 3 through a compression spring 6, and the other end spherical head 7 is similarly arranged at the open end of the cylinder hole 4 of the output shaft 2 through a compression spring 8. Has been done. Here, the compression of the compression springs 8 and 6 is substantially uniform (the spring 8 on the output shaft side is
However, the drive pin 5 is always balanced in the center so as to be supported in a floating state.

【0013】また、バネ座9は輪状からなり駆動ピンの
球頭部7とシリンダ孔の内周部に圧縮バネ8が割込み球
頭部の運動を阻害しない様にシリンダ孔に摺動配置され
ている。しかしバネ形状あるいは球頭部との関係が適切
であればこれを廃止しても差し支えない。
Further, the spring seat 9 has a ring shape, and a compression spring 8 is slidably arranged in the cylinder hole on the inner peripheral portion of the ball head 7 of the drive pin and the cylinder hole so as not to hinder the movement of the interrupting ball head. There is. However, if the relationship with the spring shape or the ball head is appropriate, this can be abolished.

【0014】上記構成において、駆動ピン5の好ましく
は図2に示す如く同心円上に均等割に配置されている
が、駆動ピンは3本以上であればよく、偶数本の場合は
対の物がバランスする様に対向して配置されていればよ
い。また、球頭部7は必要強度に応じて大きさが決定さ
れ、ピストン部と共に必要に応じ焼入れ、チタンコーテ
ィング等の表面加工処理あるいは適切な材料が選ばれ
る。
In the above structure, the driving pins 5 are preferably arranged concentrically on a concentric circle as shown in FIG. 2. However, the number of driving pins may be three or more, and in the case of an even number, a pair of objects is required. It suffices if they are arranged so as to face each other in a balanced manner. The size of the ball head 7 is determined in accordance with the required strength, and quenching, surface treatment such as titanium coating, or an appropriate material is selected as necessary together with the piston.

【0015】図1の様に入力軸1と出力軸2を所定の傾
転角θを持って配置し、入力軸1を回転させると駆動ピ
ンは傾転位置に応じて圧縮バネ6,8を最大圧縮から最
小圧縮の範囲を交互に徐々に変化させ、回転駆動力を出
力軸2に伝達する。この時前記圧縮バネ6と8は常に圧
縮力はバランスする強さにしてあるため、駆動ピン5は
軸方向に移動して常に駆動部中心に浮動状態で位置し、
球頭部7は常に同心円上の軌跡を正しく運動し真の等速
継手が実現される。
As shown in FIG. 1, the input shaft 1 and the output shaft 2 are arranged with a predetermined tilt angle θ, and when the input shaft 1 is rotated, the drive pin moves the compression springs 6 and 8 in accordance with the tilt position. The range from the maximum compression to the minimum compression is gradually changed alternately, and the rotational driving force is transmitted to the output shaft 2. At this time, since the compression springs 6 and 8 are always set to have a strength to balance the compression force, the drive pin 5 moves in the axial direction and is always located at the center of the drive unit in a floating state.
The ball head 7 always moves correctly on a concentric trajectory to realize a true constant velocity joint.

【0016】尚、実施例では圧縮バネを有するものを主
体に説明してあるが、球頭部側のバネは傾転角が5°以
上ある場合はシリンダ孔が球頭部の軸方向の動きを規制
するので必ずしも必要としない。
In the embodiment, the one having a compression spring is mainly described, but the spring on the ball head side has a cylinder hole which moves in the axial direction of the ball head when the tilt angle is 5 ° or more. It is not necessary because it regulates.

【0017】前述の実施例では4本の駆動ピン5を同心
円上に配列しているものを示したが、駆動ピンは3本以
上であればよく、奇数配列の場合は均等ピッチで配列す
るのが応力バランスが良く好ましい。
Although the four drive pins 5 are arranged concentrically in the above embodiment, the number of drive pins may be three or more, and in the case of an odd number arrangement, they are arranged at a uniform pitch. Is preferable because of good stress balance.

【0018】図3は他の実施態様を示すもので、駆動ピ
ンの球頭部7はスリッパ10を介してシリンダ孔4に挿
入され、該スリッパ10が圧縮バネ8を受けている。
尚、スリッパ10はC状あるいは半割のものが用いら
れ、予め球頭部に組込んだ後シリンダ孔に挿入される。
FIG. 3 shows another embodiment, in which the ball head 7 of the drive pin is inserted into the cylinder hole 4 through the slipper 10, and the slipper 10 receives the compression spring 8.
Note that the slipper 10 is C-shaped or half-split, and is inserted into a cylinder hole after being assembled in a ball head in advance.

【0019】この様にすることによって球頭部のスライ
ド性がよくなり、バネ座も兼用できるので動きが滑らか
になる。
By doing so, the slidability of the ball head is improved and the spring seat can also be used, so that the movement becomes smooth.

【0020】図4,図5は、前記圧縮バネ6に変えて油
圧を作用させたもので、図5に示す如くシリンダ孔3の
底部を交叉する通路11で結びシリンダ孔に液体(油)
12を封入したものである。この場合ピストン部は液体
が漏れない様にOリング13を設ける必要がある。
FIGS. 4 and 5 show a case where hydraulic pressure is applied instead of the compression spring 6, and as shown in FIG. 5, a passage (11) crossing the bottom of the cylinder hole 3 connects the liquid (oil) to the cylinder hole.
12 is enclosed. In this case, it is necessary to provide an O-ring 13 in the piston portion so that the liquid does not leak.

【0021】従って、駆動ピン間の圧縮バランスがよ
く、かつより機械振動を吸収し易く、低騒音の等速継手
が得られる。
Therefore, a constant velocity joint having good compression balance between the drive pins, easily absorbing mechanical vibration, and low noise can be obtained.

【0022】図6は、圧縮バネ6を設けるタイプで、ピ
ストン部のスライドを滑らかにするためシリンダ孔3に
軸受メタル14を圧入したもので、該メタル14を介し
てピストン部を支承したものである。
FIG. 6 shows a type in which a compression spring 6 is provided, in which a bearing metal 14 is press-fitted into the cylinder hole 3 in order to smooth the sliding of the piston portion, and the piston portion is supported through the metal 14. is there.

【0023】従って、ピストン部のスライドが良好で、
機械ロスの小さいものとなり、しいては騒音低減にも効
果的である。
Therefore, the piston portion slides well,
It reduces mechanical loss and is effective in reducing noise.

【0024】次に前述した等速継手を用いた実施例を図
7,図8に基づき説明する。
Next, an embodiment using the above-described constant velocity joint will be described with reference to FIGS.

【0025】図は斜軸式ピストンポンプ装置を示すもの
で、図において囲体21は吸入孔22a及び吐出口22
bを有するサイドカバー22と、該サイドカバー22と
気密的に結合されるカップ状のハウジング23とから構
成されている。前記サイドカバー22の中心部には内側
空間に向けてシリンダピン24が垂直に植設され、該シ
リンダピン24にはバルブプレート25を介してシリン
ダバレル26が回転可能に装着されている。前記シリン
ダバレル26は円柱体からなり、同一円周上に等間隔に
前記バルブプレート25を介して吸入孔22aもしくは
吐出口22bに連通されるシリンダ孔26aが偶数個
(8個)形成されている。そして中央部のシリンダピン
24の同心円上には複数個(4個)のシリンダ挿入孔2
6bが等間隔に形成されている。ピストンサポート27
aを一体に形成した駆動軸27はニードルベアリング2
8を介して傾転板29に回転自在に保持され、該傾転板
30は半球面31を介して前記ハウジング23の半球面
32と接している。
The drawing shows an oblique shaft type piston pump device. In the drawing, an enclosure 21 has a suction hole 22a and a discharge port 22.
It is composed of a side cover 22 having b and a cup-shaped housing 23 that is hermetically coupled to the side cover 22. A cylinder pin 24 is vertically implanted in the center of the side cover 22 toward the inner space, and a cylinder barrel 26 is rotatably mounted on the cylinder pin 24 via a valve plate 25. The cylinder barrel 26 is formed of a columnar body, and an even number (eight) of cylinder holes 26a communicating with the suction holes 22a or the discharge ports 22b via the valve plate 25 are formed on the same circumference at equal intervals. . A plurality of (4) cylinder insertion holes 2 are provided on the concentric circle of the cylinder pin 24 in the central portion.
6b are formed at equal intervals. Piston support 27
The drive shaft 27 integrally formed with a has a needle bearing 2
The tilting plate 30 is rotatably held by the tilting plate 29 via the plate 8, and the tilting plate 30 is in contact with the hemispherical surface 32 of the housing 23 via the hemispherical surface 31.

【0026】33はシリンダ孔26aに挿入配置された
ピストンで、シールリング34を介して回動自在に配置
され、他端球頭部33aはピストンサポート27aに回
動自在に配置され、抜止板36により保持されている。
Reference numeral 33 is a piston inserted into the cylinder hole 26a and rotatably arranged through a seal ring 34. The other end spherical head 33a is rotatably arranged on the piston support 27a and a retaining plate 36. Is held by.

【0027】37は前記ピストン33の内径側の同心円
上に配置された駆動ピンで、ピストン部を圧縮バネ38
を介して駆動ピン挿入孔39に挿入し、他端球頭部37
aをピストンサポート27aの端面に形成したボール受
孔27bに圧縮バネ39Aを介して挿入配置されてい
る。
Reference numeral 37 is a drive pin arranged on a concentric circle on the inner diameter side of the piston 33.
Into the drive pin insertion hole 39 through the
A is inserted and arranged in a ball receiving hole 27b formed in the end surface of the piston support 27a via a compression spring 39A.

【0028】尚、前記駆動ピン挿入孔39及びボール受
孔27bはそれぞれ後方に油通路40,41を形成し、
潤滑能力を向上させている。
The drive pin insertion hole 39 and the ball receiving hole 27b respectively form oil passages 40 and 41 in the rear,
Improves lubrication capacity.

【0029】上記構成において、駆動軸27を回転する
とピストンサポート27aおよび駆動ピン37を介して
回転力がシリンダバレル26に伝達され、同期回転され
る。一方駆動ピン37およびピストン33はピストンサ
ポート27aが傾斜しているため回動運動につれて軸方
向にスライドを始め、ピストン33はバルブプレート2
5を介して吸入−吐出作用を行う。
In the above structure, when the drive shaft 27 is rotated, the rotational force is transmitted to the cylinder barrel 26 via the piston support 27a and the drive pin 37, and the cylinder barrel 26 is synchronously rotated. On the other hand, the drive pin 37 and the piston 33 start to slide in the axial direction along with the rotational movement because the piston support 27a is inclined, so that the piston 33 moves toward the valve plate 2
The suction-discharge action is performed via 5.

【0030】上記作用においてピストンサポート27a
の傾転角θが変化した時に生じるシリンダ孔26aのピ
ッチ円と球頭部33aのピッチ円との差は、ピストン3
3が自由運動することで吸収される。他方、駆動ピン3
7は軸方向にスライドすることにより吸収され、駆動軸
27からシリンダバレル26へ駆動力がスムーズに伝達
される。
In the above operation, the piston support 27a
The difference between the pitch circle of the cylinder hole 26a and the pitch circle of the ball head 33a that occurs when the tilt angle θ of the piston 3 changes
3 is absorbed by free movement. On the other hand, drive pin 3
7 is absorbed by sliding in the axial direction, and the driving force is smoothly transmitted from the driving shaft 27 to the cylinder barrel 26.

【0031】本実施例のポンプ装置は所謂可変容量形
で、駆動軸27を左,右に動かすことによりピストンス
トロークが任意に変化し吐出容量を変える。
The pump device of this embodiment is a so-called variable displacement type, and by moving the drive shaft 27 to the left or right, the piston stroke is arbitrarily changed to change the discharge capacity.

【0032】なお図3では最大22°の位置にストッパ
21aを設け傾転板30の一端を係止する様にしてい
る。
In FIG. 3, a stopper 21a is provided at a position of maximum 22 ° so that one end of the tilting plate 30 is locked.

【0033】本実施例によれば、等速継手において駆動
ピン37が楕円運動するにもかかわらず、球頭部が軸方
向に移動するため無理な力が働くことなくスムーズに回
動され、機械的振動が低減される。
According to the present embodiment, even though the drive pin 37 makes an elliptic motion in the constant velocity joint, the ball head moves in the axial direction, so that the ball head is smoothly rotated without exerting an unreasonable force. Vibration is reduced.

【0034】また、駆動ピンは容量吐出ピストンとは別
としているため必要以上に装置を大型化することなくし
て高出力のポンプ装置が安価に提供できる。
Further, since the drive pin is provided separately from the capacity discharge piston, a high output pump device can be provided at a low cost without unnecessarily enlarging the device.

【0035】一般には、第1の実施例も含めて囲体はア
ルミニウム材等の金属体で形成されるが、更に軽量化す
るためにはプラスチック材を用いても主目的は達成し得
る。さらに、前記した実施例で、駆動側を被駆動側に置
換しても主目的を達成し得ることは言うまでもない。
Generally, the enclosure including the first embodiment is formed of a metal body such as an aluminum material, but the plastic material may be used to achieve the main purpose in order to further reduce the weight. Further, it is needless to say that the main purpose can be achieved by replacing the driving side with the driven side in the above-described embodiment.

【0036】[0036]

【発明の効果】本発明によれば、駆動ピンの変速的な回
転運動からくる歪応力を駆動ピンの前後の移動により吸
収できるので、駆動軸の傾き角が変化しても回転を等速
で伝達できる効果がある。
As described above, according to the present invention, the strain stress caused by the variable speed rotational movement of the drive pin can be absorbed by the forward and backward movement of the drive pin, so that the rotation can be performed at a constant speed even if the tilt angle of the drive shaft changes. There is an effect that can be transmitted.

【0037】また、回転力を確実に同期して伝達できる
ので、部品相互間のがた付きがなく、低振動低騒音化の
製品が簡単な構成にて実現できる効果がある。
Further, since the rotational force can be surely transmitted in synchronization with each other, there is an effect that there is no rattling between parts and a product with low vibration and noise can be realized with a simple structure.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例を示す等速継手の要部断面
図。
FIG. 1 is a sectional view of a main part of a constant velocity joint according to an embodiment of the present invention.

【図2】図1のII−II断面図。FIG. 2 is a sectional view taken along line II-II of FIG.

【図3】等速継手の要部の他の実施例を示す断面図。FIG. 3 is a sectional view showing another embodiment of the main part of the constant velocity joint.

【図4】等速継手の要部の他の実施例を示す断面図。FIG. 4 is a sectional view showing another embodiment of the main part of the constant velocity joint.

【図5】等速継手の要部の他の実施例を示す断面図。FIG. 5 is a cross-sectional view showing another embodiment of the main part of the constant velocity joint.

【図6】等速継手の要部の他の実施例を示す断面図。FIG. 6 is a sectional view showing another embodiment of the main part of the constant velocity joint.

【図7】斜軸式ピストンポンプ・モータ装置の半縦断面
図。
FIG. 7 is a semi-longitudinal sectional view of the oblique shaft type piston pump / motor device.

【図8】図7のIV−IV断面図。8 is a sectional view taken along line IV-IV in FIG.

【符号の説明】[Explanation of symbols]

1…駆動部、2…被駆動軸、3,4…シリンダ孔、5…
駆動ピン、6,8…圧縮バネ、7…球頭部。
DESCRIPTION OF SYMBOLS 1 ... Drive part, 2 ... Driven shaft, 3, 4 ... Cylinder hole, 5 ...
Driving pins, 6, 8 compression spring, 7 ball head.

Claims (7)

【特許請求の範囲】[Claims] 【請求項1】駆動部材と被駆動部材の軸方向に複数本の
シリンダ孔を設け、該シリンダ孔に圧縮手段を介して駆
動ピンを配設し両部材間を機械的に連結してなる自在継
手であって、前記駆動部材と被駆動部材間は、一方端を
少なくともスライド自在に、他端を回動及びスライド自
在に運動する様に配置された少なくとも3本以上の駆動
ピンにより連結されていることを特徴とした等速継手。
1. A free member formed by providing a plurality of cylinder holes in the axial direction of a driving member and a driven member, and arranging a driving pin in the cylinder hole through a compression means to mechanically connect both members. A joint, wherein the driving member and the driven member are connected by at least three or more driving pins arranged so that one end is at least slidable and the other end is rotatable and slidable. Constant velocity joint characterized by
【請求項2】請求項1記載において、シリンダ孔はそれ
ぞれが導通路を介して連結され、液体が封入されている
ことを特徴とした等速継手。
2. A constant velocity joint according to claim 1, wherein the cylinder holes are connected to each other through a conduction path and liquid is sealed therein.
【請求項3】請求項1もしくは2記載において、駆動ピ
ンは軸受を介して円筒穴に挿入配置されていることを特
徴とした等速継手。
3. The constant velocity joint according to claim 1 or 2, wherein the drive pin is inserted and arranged in the cylindrical hole through a bearing.
【請求項4】請求項1もしくは2記載において、駆動ピ
ンの球頭部はバネ座を介して圧縮バネに対接しているこ
とを特徴とした等速継手。
4. The constant velocity joint according to claim 1, wherein the ball head of the drive pin is in contact with the compression spring via a spring seat.
【請求項5】請求項1もしくは2記載において、駆動ピ
ンの球頭部はスリッパを介してシリンダ孔に配置される
ことを特徴とした等速継手。
5. The constant velocity joint according to claim 1, wherein the ball head portion of the drive pin is arranged in the cylinder hole through a slipper.
【請求項6】駆動軸と被駆動軸間に駆動ピンを配設して
両部材間を機械的に連結してなる自在継手において、そ
れぞれの同一円周上に等間隔に、かつ軸心に平行に延び
るシリンダ孔を形成した前記対向する一対の駆動軸と、
前記いずれか一方の駆動軸のシリンダ孔に圧縮バネを介
して挿入配置される円柱体部分と、該円柱体部分の一端
に形成され、他方のシリンダ孔に圧縮バネを介して挿入
配置される球頭部を有してなる駆動ピンとからなること
を特徴とした等速継手。
6. A universal joint in which a drive pin is disposed between a drive shaft and a driven shaft to mechanically connect both members to each other, at equal intervals on the same circumference, and at the shaft center. A pair of opposing drive shafts having cylinder holes extending in parallel,
A cylindrical portion inserted into a cylinder hole of one of the drive shafts via a compression spring, and a sphere formed at one end of the cylindrical portion and inserted into the other cylinder hole via a compression spring. A constant velocity joint comprising a drive pin having a head.
【請求項7】請求項6記載において、球頭部の駆動中心
は浮動状態に保たれていることを特徴とした等速継手。
7. The constant velocity joint according to claim 6, wherein the driving center of the ball head is kept in a floating state.
JP8209568A 1996-08-08 1996-08-08 Constant velocity joint Expired - Fee Related JP2927248B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8209568A JP2927248B2 (en) 1996-08-08 1996-08-08 Constant velocity joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8209568A JP2927248B2 (en) 1996-08-08 1996-08-08 Constant velocity joint

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP3115820A Division JP2624015B2 (en) 1990-05-21 1991-05-21 Constant velocity joint and axial piston pump / motor device using the joint

Publications (2)

Publication Number Publication Date
JPH094646A true JPH094646A (en) 1997-01-07
JP2927248B2 JP2927248B2 (en) 1999-07-28

Family

ID=16574993

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8209568A Expired - Fee Related JP2927248B2 (en) 1996-08-08 1996-08-08 Constant velocity joint

Country Status (1)

Country Link
JP (1) JP2927248B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002077415A1 (en) * 2001-03-06 2002-10-03 Honda Giken Kogyo Kabushiki Kaisha Expansion machine
KR100464463B1 (en) * 2000-12-22 2004-12-31 주식회사 만도 Universal joint
JP2007100796A (en) * 2005-10-03 2007-04-19 Ntn Corp Tripod type universal joint
US7304077B2 (en) 2000-09-04 2007-12-04 Astrazeneca Ab Chemical compounds
JP2019195864A (en) * 2018-05-08 2019-11-14 三菱電機株式会社 Joint mechanism and multiple-joint mechanism

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7304077B2 (en) 2000-09-04 2007-12-04 Astrazeneca Ab Chemical compounds
KR100464463B1 (en) * 2000-12-22 2004-12-31 주식회사 만도 Universal joint
WO2002077415A1 (en) * 2001-03-06 2002-10-03 Honda Giken Kogyo Kabushiki Kaisha Expansion machine
US7406911B2 (en) 2001-03-06 2008-08-05 Honda Giken Kogyo Kabushiki Kaisha Expander
JP2007100796A (en) * 2005-10-03 2007-04-19 Ntn Corp Tripod type universal joint
JP2019195864A (en) * 2018-05-08 2019-11-14 三菱電機株式会社 Joint mechanism and multiple-joint mechanism

Also Published As

Publication number Publication date
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