JPH05306720A - Rotary shaft installation structure of revolution transmission member - Google Patents
Rotary shaft installation structure of revolution transmission memberInfo
- Publication number
- JPH05306720A JPH05306720A JP4113501A JP11350192A JPH05306720A JP H05306720 A JPH05306720 A JP H05306720A JP 4113501 A JP4113501 A JP 4113501A JP 11350192 A JP11350192 A JP 11350192A JP H05306720 A JPH05306720 A JP H05306720A
- Authority
- JP
- Japan
- Prior art keywords
- tightening
- transmitting member
- transmission member
- rotation
- rotation transmitting
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0018—Shaft assemblies for gearings
- F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
Landscapes
- Clamps And Clips (AREA)
- Gears, Cams (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、スプロケット、ギ
ヤ、プーリ、カム、レバーあるいはハンドルといった回
転伝達部材と、回転軸との取付け構造、特に、回転伝達
部材の軸穴と回転軸とにキー加工を行うことなく、回転
伝達部材を回転軸に固定することができる回転伝達部材
の回転軸取付け構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for a rotation transmitting member such as a sprocket, a gear, a pulley, a cam, a lever or a handle, and a rotating shaft, and more particularly, a keying on a shaft hole and a rotating shaft of the rotating transmitting member. The present invention relates to a rotation shaft mounting structure of a rotation transmission member, which can fix the rotation transmission member to a rotation shaft without performing the above.
【０００２】[0002]
【従来の技術】回転伝達部材の軸穴と回転軸とにキー加
工を行うことなく、回転伝達部材を回転軸に固定する手
段として、従来、図４及び図５に示すように、ロックス
リーブ２を、回転伝達部材１の軸穴３と回転軸４間に嵌
め入れて固定する方法がある。2. Description of the Related Art Conventionally, as shown in FIGS. 4 and 5, a lock sleeve 2 is used as a means for fixing a rotation transmitting member to a rotation shaft without keying the shaft hole and the rotation shaft of the rotation transmitting member. Is fixed between the shaft hole 3 and the rotation shaft 4 of the rotation transmitting member 1 by fixing.
【０００３】この方法は、回転伝達部材１の軸穴３の内
面と、ロックスリーブ２の外面がテーパーになってお
り、締付けボルト５を締付けると、回転伝達部材１がテ
ーパー面を摺動しながら移動し、くさび作用により回転
伝達部材１と回転軸４とを固定するというものである。In this method, the inner surface of the shaft hole 3 of the rotation transmitting member 1 and the outer surface of the lock sleeve 2 are tapered, and when the tightening bolt 5 is tightened, the rotation transmitting member 1 slides on the tapered surface. It moves and fixes the rotation transmission member 1 and the rotation shaft 4 by a wedge action.
【０００４】[0004]
【発明が解決しようとする課題】ところが、上記のよう
にロックスリーブ２を使用して回転伝達部材１と回転軸
４とを固定する場合、締付けボルト５を締付けると、回
転伝達部材１がテーパー面を摺動しながら移動するの
で、回転伝達部材１に芯ずれを生じる。However, when the rotation transmitting member 1 and the rotating shaft 4 are fixed by using the lock sleeve 2 as described above, when the tightening bolt 5 is tightened, the rotation transmitting member 1 has a tapered surface. Since it moves while sliding, the rotation transmission member 1 is misaligned.
【０００５】回転伝達部材１に芯ずれが生じると、組立
て誤差が大きくなってチェーンやベルト等に無理な力が
かかって、チェーン等の寿命を短くしたり、回転伝達部
材１自身も偏摩耗するという大きな問題がある。When the rotation transmitting member 1 is misaligned, an assembly error becomes large and an unreasonable force is applied to the chain, the belt, etc., so that the life of the chain or the like is shortened and the rotation transmitting member 1 itself is unevenly worn. There is a big problem.
【０００６】そこで、この発明は、ロックスリーブの締
付けボルトを締付けても、回転伝達部材が芯ずれしない
ようにして組立て精度を向上させようとするものであ
る。Therefore, the present invention is intended to improve the assembling accuracy by preventing the rotation transmitting member from misaligning even when the tightening bolt of the lock sleeve is tightened.
【０００７】[0007]
【課題を解決するための手段】この発明は、上記の課題
を解決するために、回転伝達部材の少なくとも一方の側
面に、外面をテーパーに形成した縮径リング部を軸穴に
連続するように設け、上記縮径リング部の外面に、内面
をテーパーに形成した締付けリングを嵌め、この締付け
リングと回転伝達部材とを締付けボルトによって締結す
るようにしたのである。SUMMARY OF THE INVENTION In order to solve the above problems, according to the present invention, at least one side surface of a rotation transmitting member is provided with a diameter-reduced ring portion having a tapered outer surface continuous with a shaft hole. The tightening ring having the tapered inner surface is fitted to the outer surface of the reduced diameter ring portion, and the tightening ring and the rotation transmitting member are fastened with the tightening bolt.
【０００８】[0008]
【作用】上記の各手段によると、締付けボルトの締付け
により、締付けリングが回転軸に対して移動し、回転伝
達部材は移動しない。そして、締付けリングと回転伝達
部材の縮径リング部との当接面は互いにテーパー形成さ
れているので、締付けリングが移動すると、縮径リング
部が径方向に変形して回転軸を外周から締付ける。According to each of the above means, the tightening bolt moves the tightening ring with respect to the rotating shaft, and the rotation transmitting member does not move. Since the contact surfaces of the tightening ring and the reduced diameter ring portion of the rotation transmitting member are tapered with each other, when the tightening ring moves, the reduced diameter ring portion is deformed in the radial direction and the rotating shaft is tightened from the outer periphery. .
【０００９】[0009]
【実施例】以下、この発明をスプロケットに適用した実
施例について説明するが、この発明はスプロケットと同
様に、ギヤ、プーリ、カム、レバー、ハンドルといった
各種の回転伝達部材に適用できる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a sprocket will be described below. However, like the sprocket, the present invention can be applied to various rotation transmitting members such as gears, pulleys, cams, levers and handles.
【００１０】図１及び図２に示す、この発明の実施例に
ついて説明する。An embodiment of the present invention shown in FIGS. 1 and 2 will be described.
【００１１】スプロケット１１は、ボス部１２と、その
一側に設けた歯部１３とからなる。The sprocket 11 comprises a boss portion 12 and a tooth portion 13 provided on one side thereof.
【００１２】上記スプロケット１１のボス部１２側の側
面には、締付けリング１４を収容する環状の凹所１５が
形成され、この凹所１５によって軸穴１６に連続して縮
径リング部１７が形成されている。An annular recess 15 for accommodating the tightening ring 14 is formed on a side surface of the sprocket 11 on the boss portion 12 side, and the recess 15 forms a diameter-reduced ring portion 17 continuously with the shaft hole 16. Has been done.
【００１３】縮径リング部１７の外面はボス部１２側の
側面に向かって縮径するテーパーに形成されている。一
方、縮径リング部１７に嵌められる締付けリング１４の
内面も、ボス部１２側の側面に向かって縮径するテーパ
ーに形成されている。The outer surface of the reduced diameter ring portion 17 is formed in a taper whose diameter decreases toward the side surface on the boss portion 12 side. On the other hand, the inner surface of the tightening ring 14 fitted in the reduced diameter ring portion 17 is also formed in a taper whose diameter decreases toward the side surface on the boss portion 12 side.
【００１４】上記縮径リング部１７には、軸方向に割溝
１８が、所定の間隔で複数設けられている。この割溝１
８は、縮径リング部１７の厚さが、締付けリング１４の
締付けによって変形し得る程度の厚さであれば必ずしも
必要でない。The reduced diameter ring portion 17 is provided with a plurality of split grooves 18 in the axial direction at predetermined intervals. This split groove 1
No. 8 is not necessarily required if the thickness of the reduced diameter ring portion 17 is such that it can be deformed by the tightening of the tightening ring 14.
【００１５】また、上記スプロケット１１と締付けリン
グ１４とは、締付けボルト１９によって締結される。上
記スプロケット１１と締付けリング１４には、図２に示
すように、締付けボルト１９の頭部が嵌まる頭部係止穴
２０と、締付けボルト１９の雄ねじが螺合するねじ穴２
１とが、軸穴１６の周囲にそれぞれ交互に形成され、図
１に示すように、締付けリング１４側からスプロケット
１１に向かって締付けボルト１９を挿し入れることも、
図３に示すように、スプロケット１１側から締付けリン
グ１４に向かって締付けボルト１９を挿し入れることも
できるようになっている。The sprocket 11 and the tightening ring 14 are fastened by tightening bolts 19. As shown in FIG. 2, the sprocket 11 and the tightening ring 14 have a head engaging hole 20 into which the head of the tightening bolt 19 is fitted, and a screw hole 2 into which a male screw of the tightening bolt 19 is screwed.
1 and 1 are alternately formed around the shaft hole 16, and as shown in FIG. 1, the tightening bolt 19 may be inserted from the tightening ring 14 side toward the sprocket 11.
As shown in FIG. 3, the tightening bolt 19 can be inserted from the sprocket 11 side toward the tightening ring 14.
【００１６】図１及び図２に示すように、締付けリング
１４をスプロケット１１の縮径リング部１７に嵌め入れ
た状態で、スプロケット１１の軸穴１６に回転軸２２を
挿し入れ、締付けボルト１９によって締付けリング１４
をスプロケット１１に対して締付けていくと、締付けリ
ング１４が、縮径リング部１７の外面のテーパーに沿っ
て軸方向に移動し、縮径リング部１７が径方向に変形し
て回転軸２２の外面に押し付けられる。したがって、締
付けボルト１９を締付けることにより、スプロケット１
１が回転軸２２に対して回転不能に固定される。As shown in FIGS. 1 and 2, with the tightening ring 14 fitted in the reduced diameter ring portion 17 of the sprocket 11, the rotary shaft 22 is inserted into the shaft hole 16 of the sprocket 11, and the tightening bolt 19 is used. Tightening ring 14
When tightening the sprocket 11 against the sprocket 11, the tightening ring 14 moves in the axial direction along the taper of the outer surface of the diameter reducing ring portion 17, and the diameter reducing ring portion 17 is deformed in the radial direction to rotate the rotating shaft 22. It is pressed against the outer surface. Therefore, by tightening the tightening bolt 19, the sprocket 1
1 is non-rotatably fixed to the rotary shaft 22.
【００１７】[0017]
【発明の効果】以上のように、この発明によれば、締付
けボルトを締付けても、回転伝達部材が芯ずれせず、組
立て精度がよいので、回転伝達部材と係合するチェーン
等にこじれ等による無理な力がかからず、回転伝達部材
及びチェーン等の偏摩耗を防止できるという効果があ
る。As described above, according to the present invention, even when the tightening bolt is tightened, the rotation transmitting member does not become misaligned and the assembling accuracy is high, so that the chain or the like engaged with the rotation transmitting member is twisted. There is an effect that uneven rotation of the rotation transmitting member and the chain can be prevented without applying unreasonable force.
【図１】この発明の実施例を示す部分縦断正面図FIG. 1 is a partial vertical sectional front view showing an embodiment of the present invention.
【図２】同上の平面図FIG. 2 is a plan view of the same as above.
【図３】締付けボルトの挿し入れ方向を逆にした同上の
部分縦断正面図FIG. 3 is a partially longitudinal front view of the same as the above with the tightening bolt inserting direction reversed.
【図４】従来例の分解断面図FIG. 4 is an exploded sectional view of a conventional example.
【図５】回転軸との取付け状態を示す従来例の断面図FIG. 5 is a cross-sectional view of a conventional example showing a mounting state with a rotating shaft.
１１ スプロケット １２ ボス部 １３ 歯部 １４ 締付けリング １５ 凹所 １６ 軸穴 １７ 縮径リング部 １８ 割溝 １９ 締付けボルト ２０ 頭部係止穴 ２１ ねじ穴 ２２ 回転軸 11 Sprocket 12 Boss 13 Teeth 14 Tightening ring 15 Recess 16 Shaft hole 17 Reduced diameter ring 18 Split groove 19 Tightening bolt 20 Head locking hole 21 Screw hole 22 Rotating shaft
Claims (3)
に、外面をテーパーに形成した縮径リング部を軸穴に連
続するように設け、上記縮径リング部の外面に、内面を
テーパーに形成した締付けリングを嵌め、この締付けリ
ングと回転伝達部材とを締付けボルトによって締結する
ことを特徴とする回転伝達部材の回転軸取付け構造。1. A reduced diameter ring portion having an outer surface tapered is provided on at least one side surface of the rotation transmitting member so as to be continuous with the shaft hole, and an inner surface is formed tapered on the outer surface of the reduced diameter ring portion. A rotating shaft mounting structure for a rotation transmitting member, characterized in that a tightening ring is fitted and the tightening ring and the rotation transmitting member are fastened together with tightening bolts.
割溝を形成したことを特徴とする請求項１に記載の回転
伝達部材の回転軸取付け構造。2. The rotary shaft mounting structure for a rotation transmitting member according to claim 1, wherein a split groove in the axial direction of the rotary shaft is formed in the reduced diameter ring portion.
ヤ、プーリ、カム、レバー又はハンドルである請求項１
又は２に記載の回転伝達部材の回転軸取付け構造。3. The rotation transmission member is a sprocket, a gear, a pulley, a cam, a lever or a handle.
Alternatively, the rotation shaft mounting structure for the rotation transmission member according to item 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4113501A JPH05306720A (en) | 1992-05-06 | 1992-05-06 | Rotary shaft installation structure of revolution transmission member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4113501A JPH05306720A (en) | 1992-05-06 | 1992-05-06 | Rotary shaft installation structure of revolution transmission member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05306720A true JPH05306720A (en) | 1993-11-19 |
Family
ID=14613928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4113501A Pending JPH05306720A (en) | 1992-05-06 | 1992-05-06 | Rotary shaft installation structure of revolution transmission member |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05306720A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179563A (en) * | 1998-12-14 | 2000-06-27 | Sakai Seisakusho:Kk | Shaft tightening device of shaft coupling |
| JP2007139164A (en) * | 2005-11-22 | 2007-06-07 | Toyota Motor Corp | Planetary differential screw type rotation-linear motion conversion mechanism member and its manufacturing method |
| US11320036B2 (en) * | 2019-09-23 | 2022-05-03 | Ovg Vacuum Technology (Shanghai) Co., Ltd | Transmission structure of motor connection of roots pump |
-
1992
- 1992-05-06 JP JP4113501A patent/JPH05306720A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179563A (en) * | 1998-12-14 | 2000-06-27 | Sakai Seisakusho:Kk | Shaft tightening device of shaft coupling |
| JP2007139164A (en) * | 2005-11-22 | 2007-06-07 | Toyota Motor Corp | Planetary differential screw type rotation-linear motion conversion mechanism member and its manufacturing method |
| JP4670605B2 (en) * | 2005-11-22 | 2011-04-13 | トヨタ自動車株式会社 | Planetary differential screw type rotation-linear motion conversion mechanism member and manufacturing method thereof |
| US11320036B2 (en) * | 2019-09-23 | 2022-05-03 | Ovg Vacuum Technology (Shanghai) Co., Ltd | Transmission structure of motor connection of roots pump |
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