JPH0623572B2 - Drive shaft - Google Patents
Drive shaftInfo
- Publication number
- JPH0623572B2 JPH0623572B2 JP60161762A JP16176285A JPH0623572B2 JP H0623572 B2 JPH0623572 B2 JP H0623572B2 JP 60161762 A JP60161762 A JP 60161762A JP 16176285 A JP16176285 A JP 16176285A JP H0623572 B2 JPH0623572 B2 JP H0623572B2
- Authority
- JP
- Japan
- Prior art keywords
- ball
- shaft
- collar
- mating member
- spring
- 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 - Fee Related
Links
- 230000013011 mating Effects 0.000 claims description 14
- 230000000452 restraining effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 2
- 229920004943 Delrin® Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000010959 steel Substances 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
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
- F16D1/116—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts including a continuous or interrupted circumferential groove in the surface of one of the coupling 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
- 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
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/387—Fork construction; Mounting of fork on shaft; Adapting shaft for mounting of fork
-
- 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
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は例えばトラクターの出力軸に使用し、作業機械
の軸を駆動するのに特に好適な駆動軸に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive shaft which is particularly suitable for driving an output shaft of a tractor and driving a shaft of a working machine.
（従来の技術とその問題点） 回転動力を伝達する軸は種々の機械に使用されている
が、連結部は一般に狭いところが多く、また汚れないよ
うカバーを設けることが多いため、連結操作は困難であ
り危険を伴なうことが多い。このような問題を解決する
ため、連結を安全確実に行なうための種々のものが提案
されている。例えば実公昭５６−５０１７９号、特開昭
５４−１４５８３９号ではヨークとスプライン軸との連
結をピンによって行ない、その着脱にできるだけピンの
操作を省略できる連結装置が開示されている。また一層
操作を容易にするため、ピンを操作する代りに、スライ
ドカラーを軸線方向に摺動させるようにしたものが提案
されている。(Prior art and its problems) The shaft that transmits rotational power is used in various machines, but the connecting part is often narrow, and a cover is often provided to prevent contamination, so the connecting operation is difficult. It is often dangerous. In order to solve such a problem, various things have been proposed for ensuring a secure connection. For example, Japanese Utility Model Publication No. 56-50179 and Japanese Unexamined Patent Publication No. 54-145839 disclose a connecting device in which the yoke and the spline shaft are connected by a pin and the operation of the pin can be omitted to attach and detach the pin. In order to further facilitate the operation, a slide collar is slid in the axial direction instead of operating the pin.
しかし、上述したようにこれ等の駆動軸を使用する場所
は狭く、カバーがあるため操作が困難であり、スライド
カラーを軸線方向に摺動させるよりも、一層構造が簡単
で、信頼性がある駆動軸が要望されている。従って、本
発明の目的は軸線方向スライドカラーに代るロック手段
を有し、構造が一層簡単でありかつ動作の信頼性が高い
駆動軸を得るにある。However, as mentioned above, the places where these drive shafts are used are small, and the cover makes it difficult to operate, and the structure is simpler and more reliable than sliding the slide collar in the axial direction. A drive shaft is desired. Accordingly, it is an object of the present invention to provide a drive shaft having locking means which replaces the axial slide collar and which is simpler in construction and more reliable in operation.
（問題点を解決するための手段） 上述の目的を達成するため、本発明駆動軸は、互いに軸
線方向に摺動し得るが相対的に回転しないよう嵌合する
軸及び相手部材と、この相手部材に収容され前記軸の溝
に一部を突出して前記軸が前記相手部材から抜け出るの
を防止するボールと、前記ボールを収容する前記相手部
材の部分の周りに周方向に摺動回転可能であり、前記軸
の溝から前記ボールが抜け出ないよう押える抑止内面及
び前記溝から抜け出た前記ボールの一部を収容するため
前記抑止内面の一部に形成した少なくとも１個のボール
収容孔を有する摺動回転カラーと、前記相手部材の周縁
方向の一部に配置し、一方の端部を前記相手部材に圧着
させ、他方の端部を前記一方の端部から周方向にずれた
位置で前記摺動回転カラーに圧着させたばねであって、
前記抑止内面が前記ボールに対向する位置に前記摺動カ
ラーを周方向に押圧偏倚させるばねを具え、更に、前記
抑止内面には、前記ばねによって周方向に押圧偏倚され
る方向に前記ボール収容孔に向け徐々に半径を大きくし
た片寄面を設けたことを特徴とする。(Means for Solving the Problems) In order to achieve the above-mentioned object, the drive shaft of the present invention includes a shaft and a mating member that can slide in the axial direction but are fitted so as not to rotate relative to each other, and the mating member. A ball that is housed in a member and partially projects into the groove of the shaft to prevent the shaft from slipping out of the mating member; and a ball that is slidably rotatable in the circumferential direction around the part of the mating member that houses the ball. And a slide having at least one ball accommodating hole formed in a part of the restraining inner surface for accommodating a part of the ball that has come out of the groove and a restraining inner surface that presses the ball so as not to come out of the groove of the shaft. The rotating collar and a part of the mating member in the peripheral direction are arranged so that one end is crimped to the mating member and the other end is slid at a position displaced in the circumferential direction from the one end. Crimped on a rotating collar A spring,
A spring for biasing the sliding collar in the circumferential direction is provided at a position where the restraining inner surface faces the ball, and further, the restraining inner surface has the ball accommodating hole in the direction biased in the circumferential direction by the spring. It is characterized in that it is provided with an offset surface with a gradually increasing radius toward.
回転カラーの内面をばねによって回転駆動される方向に
ボール収容孔に向け徐々に半径を大きくした片寄面にす
るのが有利である。It is advantageous to make the inner surface of the rotary collar a biased surface having a gradually increasing radius toward the ball receiving hole in the direction in which it is rotationally driven by the spring.
（作 用） 本発明は摺動回転カラー（以下「回転カラー」と略称す
る）の操作により軸を相手部材に対し着脱できるように
したから、ピンを押したり、スライドカラーを軸線方向
に摺動させる操作に比較し、最も単純な回転カラーの回
転操作によって確実な操作を行なうことができる。(Operation) Since the present invention enables the shaft to be attached to and detached from the mating member by operating the sliding rotary collar (hereinafter referred to as "rotary collar"), the pin is pushed or the slide collar is slid in the axial direction. As compared with the operation to be performed, a reliable operation can be performed by the simplest rotation operation of the rotating collar.
（実施例） 本発明駆動軸を自在継手のヨークとスプライン軸とに適
用した場合を図面につき説明する。(Example) A case where the drive shaft of the present invention is applied to a yoke and a spline shaft of a universal joint will be described with reference to the drawings.
第１図のヨーク２のスプライン孔４にスプライン軸６を
挿入し、ヨーク側からスプライン軸側に又はスプライン
軸側からヨーク側に回転トルクを伝えることができるよ
うにする。第１図はヨーク２に途中までスプライン軸６
を挿入した状態を示す。The spline shaft 6 is inserted into the spline hole 4 of the yoke 2 of FIG. 1 so that the rotational torque can be transmitted from the yoke side to the spline shaft side or from the spline shaft side to the yoke side. FIG. 1 shows a spline shaft 6 halfway on the yoke 2.
Shows a state in which is inserted.
第１図の状態にするにはヨーク２の周りに回転できる回
転カラー８をばね10の力に抗して回転し、回転カラー８
のボール収容孔12をヨークのボール14に対向するよう保
持し、次にスプライン軸６を挿入する。スプライン軸６
の先端から面取り部16がボール14を外方に押圧するから
ボールはボール収容孔12内に一部入り、スプライン軸を
挿入することができる。この状態になれば、ボール収容
孔12内に一部入ったボール14が回転カラー８の復帰運動
を阻止するから、回転カラー８を押えている手を離して
もよい。尚回転カラー８を回転してボール収容孔12をボ
ールに対向させる際、その位置にストッパー（図示せ
ず）を設けて、手さぐりでもその位置に停止するように
するのがよい。また、スプライン軸を挿入しない時にボ
ール14がヨーク２内で内方に落ちないよう、ヨーク２の
ボール孔17の内端を18に示すように内方に突出させる。In order to obtain the state shown in FIG. 1, the rotating collar 8 which can be rotated around the yoke 2 is rotated against the force of the spring 10 so that the rotating collar 8 is rotated.
The ball receiving hole 12 is held so as to face the ball 14 of the yoke, and then the spline shaft 6 is inserted. Spline shaft 6
Since the chamfered portion 16 pushes the ball 14 outward from the tip of the ball, the ball partially enters the ball housing hole 12 and the spline shaft can be inserted. In this state, the balls 14 that have partially entered the ball receiving holes 12 prevent the return movement of the rotating collar 8, so that the hand holding the rotating collar 8 may be released. Incidentally, when the rotary collar 8 is rotated to make the ball accommodating hole 12 face the ball, it is preferable to provide a stopper (not shown) at that position so that the ball can be stopped at that position even by hand scooping. Further, the inner end of the ball hole 17 of the yoke 2 is projected inward as shown by 18 so that the ball 14 does not fall inward in the yoke 2 when the spline shaft is not inserted.
更にスプライン軸６をヨーク２のスプライン孔４内に挿
入するとボール14はスプライン軸６の溝20に入る。回転
カラー８の復帰を阻止していたボール14が内方に移動し
たためばね10の作用によって回転カラー８は回転復帰し
第２図の状態になる。ボール14は回転カラー８の抑止内
面（以下「内面」と略称する）22に掛合して外方に移動
できないから、スプライン軸６はヨーク２に対し確実に
ロック連結される。Further, when the spline shaft 6 is inserted into the spline hole 4 of the yoke 2, the balls 14 enter the groove 20 of the spline shaft 6. Since the ball 14 that has prevented the return of the rotary collar 8 has moved inward, the action of the spring 10 causes the rotary collar 8 to return to the rotational state and the state shown in FIG. Since the ball 14 engages with the restraining inner surface (hereinafter abbreviated as “inner surface”) 22 of the rotating collar 8 and cannot move outward, the spline shaft 6 is securely locked to the yoke 2.
尚第１及び２図から明らかなように回転カラー８をヨー
ク２の周りに回転する際の案内としてリング24，26を設
ける。As is apparent from FIGS. 1 and 2, rings 24 and 26 are provided as guides for rotating the rotary collar 8 around the yoke 2.
また第３図（b ）に示すように回転カラー８の内面22を
ばね10によって駆動される方向（第３図（b ）に矢印で
示す）にボール収容孔12に向け徐々に半径を大きくした
片寄面28にする（最初の半径Ｒ０に対し最大半径
Ｒ１）。このようにすることによってボール14を回転カ
ラー８の内面22に食込ませ、ボール14を確実に保持する
ことができる。また回転カラー８にはばね収容部30を設
け、第４図に示すようなばね10をヨーク２の円周に沿っ
て収容する。しかし、回転カラーを円周方向に駆動する
ものであればいかなる形式のばねを使用してもよい。ば
ね10の一端は回転カラー８に連結し、他端はヨーク２に
連結する。図示の例では回転カラー８にボール収容孔12
を３個設けたが、必ずしも３個でなくともよい。Further, as shown in FIG. 3 (b), the inner surface 22 of the rotary collar 8 is gradually increased in radius in the direction driven by the spring 10 (indicated by an arrow in FIG. 3 (b)) toward the ball receiving hole 12. The one side 28 is formed (the maximum radius R 1 with respect to the initial radius R 0 ). By doing so, the ball 14 can be bitten into the inner surface 22 of the rotating collar 8 and the ball 14 can be held securely. Further, the rotary collar 8 is provided with a spring accommodating portion 30 to accommodate a spring 10 as shown in FIG. 4 along the circumference of the yoke 2. However, any type of spring that drives the rotating collar circumferentially may be used. One end of the spring 10 is connected to the rotating collar 8 and the other end is connected to the yoke 2. In the illustrated example, the rotary collar 8 has a ball receiving hole 12
Although three are provided, the number is not necessarily three.
尚回転カラー８は鋼製又はデルリンのようなプラスチッ
ク材料で造ることができる。The rotating collar 8 can be made of steel or a plastic material such as Delrin.
尚回転カラー８の外側にカバー32を回転カラー８に対し
回転し得るよう取付ける。これは回転カラーに何等かの
原因で外力が加わった特に回転カラー８とカバー32とが
相対的に回転し、安全であるためである。またカバー32
に窓34をあけ、回転カラー８のローレット面36を露出さ
せてもよい。A cover 32 is attached to the outside of the rotary collar 8 so as to be rotatable with respect to the rotary collar 8. This is because the rotating collar 8 and the cover 32 are relatively rotated because an external force is applied to the rotating collar for some reason, which is safe. Also cover 32
A window 34 may be opened in the inner wall of the rotary collar 8 to expose the knurled surface 36 of the rotary collar 8.
次にスプライン軸６をヨーク２のスプライン孔４から抜
き取る時は、第２図に示す位置から回転カラー８を回転
し、回転カラー８のボール収容孔12をボール14に対向さ
せてから、スプライン軸を抜く方向に引張る。ボール14
は溝20から押出されて回転カラー８のボール収容孔12内
に一部が突出し、スプライン軸６は自由に抜くことがで
きる。ボール14がボール収容孔内に突出すれば回転カラ
ー８を手から離してもよい。Next, when the spline shaft 6 is pulled out from the spline hole 4 of the yoke 2, the rotary collar 8 is rotated from the position shown in FIG. 2 so that the ball accommodating hole 12 of the rotary collar 8 faces the ball 14, and then the spline shaft 6 is removed. Pull in the direction to pull out. Ball 14
Is extruded from the groove 20 and partially protrudes into the ball receiving hole 12 of the rotary collar 8, so that the spline shaft 6 can be freely pulled out. The rotating collar 8 may be released from the hand as long as the ball 14 projects into the ball receiving hole.
（効 果） 本発明は以上のように構成したから、回転カラーの回転
という最も簡単な操作で、確実に相手部材（ヨーク）と
軸（スプライン軸）とを連結し、離脱させることがで
き、実用上の効果は大である。(Effect) Since the present invention is configured as described above, the mating member (yoke) and the shaft (spline shaft) can be reliably connected and separated by the simplest operation of rotating the rotating collar. The practical effect is great.
【図面の簡単な説明】 第１図は本発明駆動軸の一実施例の断面図で軸を連結し
ている途中の状態を示し、 第２図は第１図の駆動軸を連結した状態を示す断面図、 第３図（a ），（b ）は第１図の実施例に使用する回転
カラーの横断面図及び縦断面図、 第４図（a ），（b ）は第１図の実施例に使用するばね
の側面図及び正面図である。 2……ヨーク（相手部材） 4……スプライン孔、 6……スプライン軸（軸） 8……摺動回転カラー、10……ばね 12……ボール収容孔、14……ボール 16……面取り部、17……ボール孔 20……溝、22……抑止内面 24，26……リング、28……片寄面 30……ばね収容部、32……カバーBRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of an embodiment of a drive shaft according to the present invention showing a state in which shafts are being connected, and FIG. 2 shows a state in which drive shafts in FIG. 1 are connected. Sectional views shown in FIGS. 3 (a) and 3 (b) are horizontal and vertical sectional views of the rotary collar used in the embodiment of FIG. 1, and FIGS. 4 (a) and 4 (b) are shown in FIG. It is the side view and front view of the spring used for an Example. 2 …… Yoke (mate) 4 …… Spline hole, 6 …… Spline shaft (axis) 8 …… Sliding rotation collar, 10 …… Spring 12 …… Ball receiving hole, 14 …… Ball 16 …… Chamfer , 17 ...... Ball hole 20 ...... Groove, 22 ...... Restraining inner surface 24, 26 ...... Ring, 28 ...... One side surface 30 ...... Spring accommodating part, 32 ...... Cover
Claims (1)
転しないよう嵌合する軸(6) 及び相手部材(2) と、 この相手部材(2) に収容され前記軸(6)の溝(20)に一部
を突出して前記軸(6) が前記相手部材(2) から抜け出る
のを防止するボール(14)と、 前記ボール(14)を収容する前記相手部材(2) の部分の周
りに周方向に摺動回転可能であり、前記軸(6)の溝(20)
から前記ボール(14)が抜け出ないよう押える抑止内面(2
2)及び前記溝(20)から抜け出た前記ボール(14)の一部を
収容するため前記抑止内面(22)の一部に形成した少なく
とも１個のボール収容孔(12)を有する摺動回転カラー
(8) と、 前記相手部材(2) の周縁方向の一部に配置し、一方の端
部を前記相手部材(2) に圧着させ、 他方の端部を前記一方の端部から周方向にずれた位置で
前記摺動回転カラー(8)に圧着させたばねであって、前
記抑止内面(22)が前記ボール(14)に対向する位置に前記
摺動カラー(8) を周方向に押圧偏倚させるばね(10)と を具え、更に、 前記抑止内面(22)には、前記ばね(10)によって周方向に
押圧偏倚される方向に前記ボール収容孔(12)に向け徐々
に半径を大きくした片寄面(28)を設けた ことを特徴とする駆動軸。1. A shaft (6) and a mating member (2) which can slide in the axial direction but are fitted so as not to rotate relative to each other, and a shaft (6) housed in the mating member (2). A ball (14) protruding partly into the groove (20) to prevent the shaft (6) from slipping out of the mating member (2), and a part of the mating member (2) accommodating the ball (14). Is slidable and rotatable in the circumferential direction around the groove (20) of the shaft (6).
The inner surface (2) that holds the ball (14) from the
2) and sliding rotation having at least one ball accommodating hole (12) formed in a part of the restraining inner surface (22) for accommodating a part of the ball (14) that has come out of the groove (20) Color
(8) and a part of the mating member (2) in the circumferential direction, one end of which is crimped to the mating member (2), and the other end of which is circumferentially arranged from the one end. A spring that is pressed against the sliding rotation collar (8) at a displaced position, and biases the sliding collar (8) circumferentially at a position where the restraining inner surface (22) faces the ball (14). The restraining inner surface (22) has a gradually increasing radius toward the ball accommodating hole (12) in a direction biased in the circumferential direction by the spring (10). A drive shaft characterized in that it is provided with an offset surface (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60161762A JPH0623572B2 (en) | 1985-07-24 | 1985-07-24 | Drive shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60161762A JPH0623572B2 (en) | 1985-07-24 | 1985-07-24 | Drive shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6224029A JPS6224029A (en) | 1987-02-02 |
| JPH0623572B2 true JPH0623572B2 (en) | 1994-03-30 |
Family
ID=15741410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60161762A Expired - Fee Related JPH0623572B2 (en) | 1985-07-24 | 1985-07-24 | Drive shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623572B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63154816U (en) * | 1987-03-30 | 1988-10-12 | ||
| AU2001242765A1 (en) * | 2000-03-24 | 2001-10-03 | Kyoto Tool Co., Ltd. | Connection structure of socket wrench |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5163045U (en) * | 1974-11-13 | 1976-05-18 | ||
| JPS521937U (en) * | 1975-06-20 | 1977-01-08 |
-
1985
- 1985-07-24 JP JP60161762A patent/JPH0623572B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6224029A (en) | 1987-02-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |