【発明の詳細な説明】〔産業上の利用分野〕本発明は、互いに軸芯のずれた2つの回転軸を連結し、
一方の回転軸の回転運動を他方の回転軸に伝達する2自
由度接手に関し、特にどちらか1つの回転軸を脱着する
ことのできる脱着可能な2自由度接手に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention connects two rotating shafts whose axes are offset from each other,
The present invention relates to a two-degree-of-freedom joint that transmits rotational motion of one rotating shaft to the other rotating shaft, and particularly relates to a detachable two-degree-of-freedom joint that allows any one rotating shaft to be attached and detached.
従来、互いに軸芯のずれた2つの回転軸を連結し、一方
の回転軸の回転運動を他方の回転軸に伝達する接手は種
々提案されている。第1図、第2図はかかる従来の接手
のり・ちの2自由度接手を模式的に示しておシ、原動側
の回転軸1は軸受2によって支承され、その先端を連結
点3.連結点4を介して軸受5によって支承されている
回転軸6に連結している。すなわち、との接手は第1図
、第2図に示すように回転軸1,6の軸芯が互いにずれ
ていても1回転軸1の回転運動を回転軸6に伝達するよ
うに達成されている。Conventionally, various joints have been proposed that connect two rotating shafts whose axes are offset from each other and transmit the rotational motion of one rotating shaft to the other rotating shaft. FIGS. 1 and 2 schematically show such a conventional two-degree-of-freedom joint, in which a rotary shaft 1 on the driving side is supported by a bearing 2, and its tip is connected to a connecting point 3. It is connected via a connection point 4 to a rotating shaft 6 which is supported by a bearing 5. That is, the joint with the rotary shaft 1 is achieved so that the rotational motion of the rotary shaft 1 is transmitted to the rotary shaft 6 even if the axes of the rotary shafts 1 and 6 are shifted from each other as shown in FIGS. 1 and 2. There is.
ところで、かかる接手は従来回転軸を容易に脱着する構
成にはなっていないため、かかる接手を含む部分の保守
等においてはこれが障害となることがあった。By the way, since such a joint has not conventionally been configured to allow easy attachment and detachment of the rotating shaft, this has sometimes become an obstacle in maintenance of the portion including such a joint.
本発明は、一方の回転軸を容易に脱着するととのできる
脱着可能な2自由度接手を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a detachable two-degree-of-freedom joint that allows one rotating shaft to be easily attached and detached.
本発明では、第1の回転軸の先端に軸芯に対して直角に
固定されたピンが挿入され、該ピンをその両端で摺動可
能に軸支する互いに対向して形成された一対の第1の長
溝および第2の回転軸の先端に軸芯に対して直角に固定
されたピンが挿入され、該ピンをその両端で摺動可能に
軸支し、かつその一端が開放され、前記第1の長溝の対
向方向に対して直角な方向に互いに対向して形成された
一対の第2の長溝を有するカラーと、該カラーを前記第
1の回転軸に対して弾性支持するコイルバネとを具えて
構成される。In the present invention, a pin fixed perpendicularly to the axis is inserted into the tip of the first rotating shaft, and a pair of second rotating shafts formed opposite to each other slidably support the pin at both ends thereof. A pin fixed at right angles to the axis is inserted into the first long groove and the tip of the second rotating shaft, and the pin is slidably supported at both ends, and one end is open. A collar having a pair of second long grooves facing each other in a direction perpendicular to the opposing direction of the first long groove, and a coil spring elastically supporting the collar with respect to the first rotating shaft. It is composed of
以下、本発明の実施例を添付図面を参照して詳細に説明
する。Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
第3図は本発明の脱着可能な動力伝達用接手の一実施例
を示す断面図である。この実施例では回転軸1を軸受2
によって支承し、軸受2を支持板11に固定しており、
支持板11は本体装置の所定位置に配設され固定されて
いる。回転軸1の先端には円盤状の接続部17が形成さ
れ、この接続部17にはピン16が回転軸1の軸芯に対
して垂直にして埋め込まれ固定されている。一方、回転
軸6は磁受5によって支承され、この軸受5は支持板2
2に固定され、支持板22は本体装置に固定したストッ
パー23によって定めらnた位置に配設されたのち、図
示しない機構によって支持されている。回転軸6の先端
には円盤状の接続部21が形成され、こO接続部21に
はピン20が回転軸6に対して垂直にして埋め込まれ固
定されている。これらの回転軸1,6はカラー18を介
して連結される。このカラー18は第5図に示すように
円筒形からなシ、その周面には一端を開放した一対のピ
ン溝19が対向する位置に形成され、また、ピン溝19
から900回転した対向する位置に別の一対のピン溝1
5が形成されている。また、カラー18の一端には段差
27が形成されている。この段差27は第3図に示すよ
うにコイルバネ14の一端を受けて支持するためのもの
である。さて、回転軸1の接続部17はその側面をカラ
ー18の内面に摺接し、接続部17に設けたピン16け
ピン16の直径よりもやや大きい幅のピン溝15に挿入
されており、このためにカラー18は回転軸1に対して
所定角度内で上下左右方向自在に円滑に向きを変えるこ
とができるようになっている。すなわち、回転軸1が回
転するとこの回転運動を所定角度内のカラー18に伝達
することができる。一方、回転軸6の接続部21もその
側面をカラー18の内面VC摺接し、ピン20はピン2
0の直径よりもやや大きい幅のピン溝19によって支持
されている。FIG. 3 is a sectional view showing an embodiment of the detachable power transmission joint of the present invention. In this embodiment, the rotating shaft 1 is connected to the bearing 2.
The bearing 2 is fixed to the support plate 11,
The support plate 11 is arranged and fixed at a predetermined position on the main body device. A disk-shaped connecting portion 17 is formed at the tip of the rotating shaft 1, and a pin 16 is embedded and fixed in this connecting portion 17 perpendicularly to the axis of the rotating shaft 1. On the other hand, the rotating shaft 6 is supported by a magnetic bearing 5, and this bearing 5 is supported by the support plate 2.
After the support plate 22 is disposed at a predetermined position by a stopper 23 fixed to the main body device, it is supported by a mechanism (not shown). A disk-shaped connecting portion 21 is formed at the tip of the rotating shaft 6, and a pin 20 is embedded and fixed in this O-connecting portion 21 perpendicularly to the rotating shaft 6. These rotating shafts 1 and 6 are connected via a collar 18. As shown in FIG. 5, this collar 18 has a cylindrical shape, and a pair of pin grooves 19 with one end open are formed on the circumferential surface of the collar 18 at opposing positions.
Another pair of pin grooves 1 are placed at opposite positions rotated 900 times from
5 is formed. Furthermore, a step 27 is formed at one end of the collar 18. This step 27 is for receiving and supporting one end of the coil spring 14, as shown in FIG. Now, the connecting portion 17 of the rotating shaft 1 has its side surface in sliding contact with the inner surface of the collar 18, and is inserted into a pin groove 15 having a width slightly larger than the diameter of the pin 16 provided on the connecting portion 17. Therefore, the collar 18 can freely and smoothly change its direction within a predetermined angle with respect to the rotating shaft 1 in the vertical and horizontal directions. That is, when the rotating shaft 1 rotates, this rotational movement can be transmitted to the collar 18 within a predetermined angle. On the other hand, the connecting portion 21 of the rotating shaft 6 also has its side surface slidably in contact with the inner surface VC of the collar 18, and the pin 20 is in sliding contact with the inner surface VC of the collar 18.
It is supported by a pin groove 19 whose width is slightly larger than the diameter of the pin.
このために回転軸6けカラー18に対して所定角度内で
上下左右方向自在に円滑に向きを変ることができる。こ
れによってカラー18は回転軸1から伝達された回転運
動を所定角度内の回転軸6に伝達することができる。ま
た、カラー18の段差27によって一端を支持されたコ
イルバネ14は他の一端を円形のバネ受板13に固定し
、バネ受板13は回転軸10所定位置に固定されている
。Therefore, the direction can be freely and smoothly changed in the vertical and horizontal directions within a predetermined angle with respect to the six-piece rotating shaft collar 18. This allows the collar 18 to transmit the rotational motion transmitted from the rotating shaft 1 to the rotating shaft 6 within a predetermined angle. Further, the coil spring 14 whose one end is supported by the step 27 of the collar 18 has its other end fixed to a circular spring receiving plate 13, and the spring receiving plate 13 is fixed at a predetermined position on the rotating shaft 10.
したがって、回転軸lとカラー18との位置関係はバネ
受板13の位置とコイルバネ14の長さによって定まる
ことになる。一方、回転軸6とカラー18との位置関係
はストッパー23の位置によって定まる。なお、ワッシ
ャー12は回転軸1の回転運動を円滑にするためにバネ
受板13と軸受2の間に挿入される。このような構成に
よシ、回転軸1の軸芯と回転軸6の軸芯とが多少ずれて
いても、回転軸1の回転運動はカラー18を介して回転
軸6へ円滑に伝達されることになる。Therefore, the positional relationship between the rotating shaft l and the collar 18 is determined by the position of the spring receiving plate 13 and the length of the coil spring 14. On the other hand, the positional relationship between the rotating shaft 6 and the collar 18 is determined by the position of the stopper 23. Note that the washer 12 is inserted between the spring receiving plate 13 and the bearing 2 in order to smooth the rotational movement of the rotating shaft 1. With such a configuration, even if the axis of the rotating shaft 1 and the axis of the rotating shaft 6 are slightly misaligned, the rotational motion of the rotating shaft 1 is smoothly transmitted to the rotating shaft 6 via the collar 18. It turns out.
ところで、この実施例における回転軸の脱着は第4図に
示すように回転軸6、接続部21、ピン20、軸受5、
支持板22を一体として行う。まず、取シ外す場合は支
持板22を本体装置に支持していた図示しない機構を解
除し、支持板22をストッパー23によって定めた位置
から移動し、回転軸6の接続部21をカラー18から引
き出すとともにピン20をピン溝19から引き出す。次
に、取シ付ける場合はピン20をピン溝19に接しなが
ら押し込むとともに接続部21をカラー18の内部に押
し込み、支持板22をストッzJ? −23によって定
寸った位置に配置して本体装置の図示しない機構で支持
する。このとき、コイルバネ14はカラー18の向きが
定まるように支持しているので、脱着は容易に行われる
。By the way, the rotation shaft in this embodiment is attached and detached as shown in FIG.
The support plate 22 is integrated. First, when removing it, release the mechanism (not shown) that supported the support plate 22 on the main unit, move the support plate 22 from the position determined by the stopper 23, and remove the connection part 21 of the rotating shaft 6 from the collar 18. At the same time, the pin 20 is pulled out from the pin groove 19. Next, when installing, push the pin 20 in contact with the pin groove 19, push the connecting part 21 into the collar 18, and place the support plate 22 in the stock position. -23, and supported by a mechanism (not shown) of the main unit. At this time, since the coil spring 14 supports the collar 18 so that its orientation is determined, attachment and detachment are easily performed.
々お1回転軸の脱着を行う側のピン溝25けカラー24
の側壁を貫通する構成にしなくてもよい。Collar 24 with 25 pin grooves on the side where the rotating shaft is attached and detached
It is not necessary to configure the structure to penetrate the side wall of the.
第6図はこのようにして構成したカラーの他の構成例を
示したものである。FIG. 6 shows another example of the collar constructed in this manner.
以上説明したように本発明によれば、一方の回転軸にカ
ラーとカラーを支持するコイルバネを設け、このカラー
と他方の回転軸の脱着を行えるようにしたので、2つの
回転軸kM易に脱着することができる。As explained above, according to the present invention, one rotating shaft is provided with a collar and a coil spring that supports the collar, and this collar and the other rotating shaft can be attached and detached, so that the two rotating shafts can be easily attached and detached. can do.
第1図、第2図は従来の動力伝達用接手を説明するため
の図、第3図は本発明の脱着可能な動力伝達用接手の一
実施例を示す断面図、第4図は第3図に示した本発明の
一実施例における回転軸の脱着を説明するための図、第
5図は第3図、第4図に示した本発明の一実施例に採用
したカラーの立体図、第6図は他のカラーの立体図であ
る。1.6・・・回転軸、2,5・・・軸受、3,4・・・
連結点、7・・・接手、11・・・支持板、12・・・
ワッシャー、13・・・バネ受板、14・・・コイルバ
ネ、15.19・・・ピン溝、l、 6 、20・・・
ピン溝、17.21・・・接続部、18・・・カラー、
22・・・支持板、23・・・ストツノ4−124・・
・力y −125+ 2 ’6・・・ピン溝、27・・
・段差第1頁の続き0発 明 者 松 島 浩0発 明 者 関 芳 晴粟所内1 and 2 are diagrams for explaining a conventional power transmission joint, FIG. 3 is a sectional view showing an embodiment of the detachable power transmission joint of the present invention, and FIG. FIG. 5 is a three-dimensional diagram of the collar adopted in the embodiment of the present invention shown in FIGS. 3 and 4; FIG. 6 is a three-dimensional diagram in another color. 1.6...Rotating shaft, 2,5...Bearing, 3,4...
Connection point, 7... Joint, 11... Support plate, 12...
Washer, 13... Spring receiving plate, 14... Coil spring, 15.19... Pin groove, l, 6, 20...
Pin groove, 17.21... Connection part, 18... Collar,
22...Support plate, 23...Stock horn 4-124...
・Force y -125+ 2 '6...Pin groove, 27...
・Continued from step 1 page 0 Inventor: Hiroshi Matsushima 0 Inventor: Yoshi Seki Inside Haruaki
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10399584AJPS60249729A (en) | 1984-05-23 | 1984-05-23 | Uncouplable two-freedom joint |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10399584AJPS60249729A (en) | 1984-05-23 | 1984-05-23 | Uncouplable two-freedom joint |
| Publication Number | Publication Date |
|---|---|
| JPS60249729Atrue JPS60249729A (en) | 1985-12-10 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10399584APendingJPS60249729A (en) | 1984-05-23 | 1984-05-23 | Uncouplable two-freedom joint |
| Country | Link |
|---|---|
| JP (1) | JPS60249729A (en) |
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