JPS60208633A - Coupling structure between input shaft of reduction gear unit and rotary shaft - Google Patents
Coupling structure between input shaft of reduction gear unit and rotary shaftInfo
- Publication number
- JPS60208633A JPS60208633A JP59065186A JP6518684A JPS60208633A JP S60208633 A JPS60208633 A JP S60208633A JP 59065186 A JP59065186 A JP 59065186A JP 6518684 A JP6518684 A JP 6518684A JP S60208633 A JPS60208633 A JP S60208633A
- Authority
- JP
- Japan
- Prior art keywords
- input shaft
- shaft
- reducer
- rotary
- rotating 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.)
- Pending
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 21
- 238000010168 coupling process Methods 0.000 title claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 21
- 239000003638 chemical reducing agent Substances 0.000 claims description 41
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
Description
【発明の詳細な説明】
発明の技術分野
本発明は減速機の入力軸と回転シャフトとの結合構造に
関する。DETAILED DESCRIPTION OF THE INVENTION Technical Field of the Invention The present invention relates to a coupling structure between an input shaft and a rotating shaft of a speed reducer.
従来技術と問題点
一般に、減速機は回転シャフトに結合させるための筒状
の入力軸を有している。例えば、サイクロ減速機（登録
商標）と呼ばれる減速機は、ハウジングにベアリングを
介して回転可能に支持された筒状の入力軸の外周に、該
入力軸の軸心に対して偏心したヘアリング保持面が形成
され、このヘアリング保持面にベアリングを介して回転
板が支持されている。回転板の外周には回転板の軸心を
中心とする円周に沿って連続波形のカム面が形成されて
おり、また、回転板の板面には複数個の穴が回転板の軸
心を中心とする円周に沿って周方向に間隔をありで形成
されている。ハウジングには回転板のカム面の波数より
も数が１つ多い外ピンが入力軸の軸心を中心とする円周
に沿って間隔をあけて配設されており、回転板のカム面
は外ピンに噛み合っている。ハウジングには入力軸と同
軸に配置された出力軸がベアリングを介して回転可能に
支持されており、出力軸には回転板の各穴に遊嵌する内
ピンが出力軸の軸心を中心とする円周に沿って間隔をあ
けて配設されている。Prior Art and Problems Generally, a speed reducer has a cylindrical input shaft for coupling to a rotating shaft. For example, a reducer called a Cyclo Reducer (registered trademark) has a hair ring that is eccentrically attached to the outer periphery of a cylindrical input shaft that is rotatably supported in a housing via a bearing. A rotating plate is supported on this hair ring holding surface via a bearing. A continuous wave-shaped cam surface is formed on the outer periphery of the rotating plate along the circumference centered on the axis of the rotating plate, and multiple holes are formed on the surface of the rotating plate along the circumference centered on the axis of the rotating plate. It is formed with dovetails at intervals in the circumferential direction along the circumference with the center at . Outer pins, the number of which is one more than the wave number of the cam surface of the rotary plate, are arranged in the housing at intervals along the circumference of the input shaft, and the cam surface of the rotary plate is It engages with the outer pin. The output shaft, which is arranged coaxially with the input shaft, is rotatably supported in the housing via a bearing, and the output shaft has an inner pin that loosely fits into each hole of the rotary plate and rotates around the axis of the output shaft. They are arranged at intervals along the circumference.
このような構造のサイクロ減速機の入力軸を回転シャフ
ト、例えばモータの出力軸に結合させるために、従来は
筒状の入力軸内にモータの出力軸を差し込んでキー結合
していたが、ガタや弛み等が生じる虞れがあった。サイ
クロ減速機の入力軸とモータの出力軸とを強固に結合さ
せる方法として、例えば、外周をテーパ状に形成したモ
ータの出力軸と内周をテーパ状に形成したサイクロ減速
機の入力軸との間に嵌め代を設けてモータの出力軸をサ
イクロ減速機の入力軸内に打込むことが考えられるが、
この方法の場合出力軸や入力軸を支持するベアリング等
に無理な衝撃力が加わって損傷する虞れがある。また、
サイクロ減速機の入力軸内に圧入したモータの出力軸は
その入力軸から抜き取ることも困難となる。In order to connect the input shaft of a cyclo reducer with this type of structure to a rotating shaft, such as the output shaft of a motor, conventionally the output shaft of the motor was inserted into a cylindrical input shaft and the key was connected. There was a risk that the material would become loose or loose. As a method for firmly coupling the input shaft of a cyclo reducer and the output shaft of a motor, for example, the output shaft of a motor having a tapered outer periphery and the input shaft of a cyclo reducer having a tapered inner periphery can be combined. It is conceivable to drive the output shaft of the motor into the input shaft of the cyclo reducer with a fit allowance in between.
In this method, there is a risk that excessive impact force will be applied to the bearings that support the output shaft and the input shaft, resulting in damage. Also,
It is also difficult to remove the output shaft of the motor that is press-fitted into the input shaft of the cyclo reducer from the input shaft.
発明の目的
上記従来技術の問題点に鑑み、本発明は、減速機の入力
軸と回転シャフトとの組付は時には、回転シャフトや入
力軸を支持するためのベアリング等に無理な力を加える
ことなく、減速機の入力軸に対し回転シャフトを強固に
結合させることができ、しかも、減速機の入力軸と回転
シャフトとの分解時には、回転シャフトを減速機の入力
軸内から容易に抜き取ることができる減速機の入力軸と
回転シャフトとの結合構造を提供することを目的とする
。Purpose of the Invention In view of the above-mentioned problems of the prior art, the present invention provides a method for assembling the input shaft and the rotating shaft of a reducer, which sometimes involves applying excessive force to the rotating shaft and the bearings for supporting the input shaft. The rotary shaft can be firmly connected to the input shaft of the reducer, and when the input shaft of the reducer and the rotary shaft are disassembled, the rotary shaft can be easily pulled out from within the input shaft of the reducer. The purpose of the present invention is to provide a coupling structure between an input shaft and a rotary shaft of a speed reducer.
発明の構成
上記目的は、本発明によれば、減速機の入力軸と回転シ
ャフトとの結合構造において、筒状に形成した前記入力
軸の一端部内側には前記回転シャフトの先端部外周に嵌
合する嵌合面部を形成し、該嵌合面部と前記回転シャフ
トの先端部との間に、前記回転シャフトの軸方向相対移
動を許容し且つ相対回転を規制する回転規制手段を設け
、前記回転シャフトの先端部に第１ねじ部を形成し、前
記入力軸の他端面に当接させた締イ」用ねし部材を前記
回転シャフトの第１ねじ部に螺合させて締め込むことに
より前記回転シャフトと前記入力軸とを強固に結合させ
、前記入力軸の他端部には、前記回転シャフトの先端面
に当接して該回転シャフトを前記入力軸の貫通孔内から
押し出すための分解用ねじ部利を螺合させる第２ねじ部
を形成したことを特徴とする減速機の入力軸と回転シャ
フトとの結合構造により達成される。According to the present invention, in a coupling structure between an input shaft and a rotary shaft of a speed reducer, an inner side of one end of the input shaft formed in a cylindrical shape is fitted with an outer periphery of a tip of the rotary shaft. A rotation regulating means is provided between the mating surface portion and the distal end portion of the rotary shaft for permitting relative axial movement of the rotary shaft and restricting relative rotation; A first threaded portion is formed at the tip of the shaft, and a tightening screw member that is in contact with the other end surface of the input shaft is screwed into the first threaded portion of the rotating shaft and tightened. The rotary shaft and the input shaft are firmly connected, and the other end of the input shaft is provided with a disassembly device for abutting against the distal end surface of the rotary shaft and pushing out the rotary shaft from the through hole of the input shaft. This is achieved by a coupling structure between the input shaft and the rotary shaft of the reducer, which is characterized by forming a second threaded portion into which the threaded portion is screwed together.
発明の実施例 以下、図面を参照して本発明の詳細な説明する。Examples of the invention Hereinafter, the present invention will be described in detail with reference to the drawings.
第１図は本発明をサイクロ減速機とモータの出力軸との
結合構造に適用した一実施例を示すものである。この図
を参照すると、サイクロ減速機１１は、ハウジング１１
を備えており、ハウジング１１には筒状の入力軸１２が
ベアリング１３を介して入力軸１２の軸心周りに回転可
能に支持されている。入力軸１２の外周側には２つのヘ
アリング保持面１４がそれぞれ入力軸１２の軸心に対し
偏心状態で形成されている。２つのヘアリング保持面１
４の偏心方向は１８０°ずれている。各ヘアリング保持
面１４にはベアリング１５の内輪が嵌着されており、ベ
アリング１５の外輪には回転板１６が嵌着されている。FIG. 1 shows an embodiment in which the present invention is applied to a coupling structure between a cyclo reducer and an output shaft of a motor. Referring to this figure, the cyclo reducer 11 has a housing 11
A cylindrical input shaft 12 is rotatably supported by the housing 11 via a bearing 13 around the axis of the input shaft 12. Two hair ring holding surfaces 14 are formed on the outer peripheral side of the input shaft 12 in an eccentric state with respect to the axis of the input shaft 12, respectively. 2 hair ring holding surfaces 1
The eccentric direction of No. 4 is shifted by 180°. An inner ring of a bearing 15 is fitted into each hair ring holding surface 14, and a rotary plate 16 is fitted into an outer ring of the bearing 15.
回転板１６の外周には回転板１６の軸心を中心とする円
周に沿って連続波形のカム面１７が形成されている。ハ
ウジング１１には回転板１６のカム面１７の波数よりも
１つ多い数の外ピン１８がカム面１７と滑らかに噛み合
うように入力軸１２の軸心を中心とする円周に沿って配
設されている。一方、回転＠１６には複数個の穴１９が
回転板１６の軸心を中心とする円周に沿って配設されて
おり、入力軸１２に対し同軸に配置され且つベアリング
２０を介してハウジング１１に回転可能に支持された出
力軸２１には各穴１９に遊嵌する内ビン２２が出力軸２
１の軸心を中心とする円周に沿って配設されている。A continuous wave-shaped cam surface 17 is formed on the outer periphery of the rotary plate 16 along a circumference centered on the axis of the rotary plate 16 . In the housing 11, outer pins 18, the number of which is one more than the wave number of the cam surface 17 of the rotary plate 16, are arranged along the circumference around the axis of the input shaft 12 so as to smoothly mesh with the cam surface 17. has been done. On the other hand, in the rotation@16, a plurality of holes 19 are arranged along the circumference centered on the axis of the rotary plate 16, and are arranged coaxially with the input shaft 12 and connected to the housing via a bearing 20. An inner pin 22 that loosely fits into each hole 19 is attached to the output shaft 21 rotatably supported by the output shaft 11.
They are arranged along a circumference centered on the 1st axis.
出力軸２１はヘアリング２３を介して入力軸１２に回転
可能に連結されている。この公知のサイクロ減速機にお
いては、回転板１６のカム面１７の波数をＮとすると、
出力軸２１は１／Ｈの減速比で入力軸１２と反対方向に
回転する。偏心位相が１８０°ずれた２つの回転板１６
はバックラッシュの除去に役立つが、回転板１６は１つ
のみであってもよい。The output shaft 21 is rotatably connected to the input shaft 12 via a hair ring 23. In this known cyclo reducer, if the wave number of the cam surface 17 of the rotating plate 16 is N, then
The output shaft 21 rotates in the opposite direction to the input shaft 12 at a reduction ratio of 1/H. Two rotary plates 16 with eccentric phase shifted by 180°
Although this helps to eliminate backlash, only one rotary plate 16 may be used.
上述した筒状の入力！ｌｌ＋ １２の一端部内側にはモ
ータ４０の出力軸４１の先端部外周に嵌合する嵌合面部
２４が形成されている。モータ４０の先端部外周及び入
力軸１２の嵌合面部２４は同一テーパ各のテーバ面とさ
れている。The cylindrical input mentioned above! A fitting surface portion 24 that fits onto the outer periphery of the tip end of the output shaft 41 of the motor 40 is formed inside one end portion of the ll+ 12 . The outer periphery of the tip end of the motor 40 and the fitting surface 24 of the input shaft 12 are tapered surfaces with the same taper.
入力軸１２の嵌合面部２４とモータ４０の出力軸４１の
先端部外周との間には出力軸４１の軸方向相対移動を許
容し且つ相対回転を規制する回転規制手段が設けられて
いる。ここでは、回転規制手段は出力軸４１の先端部外
周に一部埋め込まれたキー２５と、人力軸１２の嵌合面
部２４に形成されたキー溝２６とからなっている。キー
溝２６はテーバ面に沿って軸方向に延びている。回転規
制手段はスプライン結合のためのスプライン歯であって
もよい。A rotation restricting means is provided between the fitting surface portion 24 of the input shaft 12 and the outer periphery of the distal end portion of the output shaft 41 of the motor 40 for allowing relative axial movement of the output shaft 41 and restricting relative rotation. Here, the rotation regulating means includes a key 25 partially embedded in the outer periphery of the tip end of the output shaft 41 and a keyway 26 formed in the fitting surface 24 of the human power shaft 12. The keyway 26 extends in the axial direction along the Taber surface. The rotation restricting means may be spline teeth for spline connection.
モータ４０の出力軸４■の先端部には第１ねし部として
の雄ねじ部４２が形成されている。モータ４０の出力軸
４１とサイクロ減速機１０の入力軸１２とを強固に結合
させるために締付は用ねし部材２７が用いられる。締付
用ねし部材２７の一端部側には雌ねじ部２８が形成され
ており、他端部には入力軸１２の他端面（第１図中左端
面）に当接可能なフランジ部２９が形成されている。フ
ランジ部２９はレンチ等の工具に係合するように、例え
ば六角ナンド状に形成されている。この締付用ねじ部材
２７の雌ねじ部２８を出力軸４１の雄ねじ部４２に螺合
させ、締付用ねし部材２７のフランジ部２９を入力軸１
２の他端面に当接させて出力軸４１に対し締め込むこと
により、出力軸４１の先端テーバ部を入力軸１２のテー
バ状嵌合面部２４に強固に結合させる。このような方法
によれば、出力軸４１や入力軸１２を支持するベアリン
グ等に何ら無理な力を加えることなく、支持４１と入力
軸１２とを強固に結合させることができる。A male threaded portion 42 serving as a first threaded portion is formed at the tip of the output shaft 4 2 of the motor 40 . A tightening member 27 is used to firmly connect the output shaft 41 of the motor 40 and the input shaft 12 of the cyclo reducer 10. A female screw portion 28 is formed at one end of the tightening screw member 27, and a flange portion 29 that can come into contact with the other end surface (the left end surface in FIG. 1) of the input shaft 12 is formed at the other end. It is formed. The flange portion 29 is formed in, for example, a hexagonal NAND shape so as to be engaged with a tool such as a wrench. The female threaded portion 28 of this tightening screw member 27 is screwed into the male threaded portion 42 of the output shaft 41, and the flange portion 29 of the tightening screw member 27 is connected to the input shaft 1.
2 and tightened onto the output shaft 41, the tip tapered portion of the output shaft 41 is firmly coupled to the tapered fitting surface portion 24 of the input shaft 12. According to such a method, the support 41 and the input shaft 12 can be firmly connected without applying any unreasonable force to the bearings that support the output shaft 41 and the input shaft 12.
モータ４０の出力軸４１をサイクロ減速１ａＩＯの入力
軸１２円から抜き取るときには、第２図に示す分解用ね
し部材３０が用いられる。分解用ねじ部材３０は雄ねじ
部３１を有しており、雄ねじ部３１の一側には工具を係
合させるための例えば六角ナンド状の頭部３２が形成さ
れている。サイクロ減速機１０の入力軸１２の他端部内
側には分解用ねし部材３０の雄ねじ部３１に螺合可能な
第２ねじ部としての雌ねじ部３３が形成されている。When extracting the output shaft 41 of the motor 40 from the input shaft 12 of the cyclo reducer 1aIO, a disassembly screw member 30 shown in FIG. 2 is used. The disassembly screw member 30 has a male threaded portion 31, and on one side of the male threaded portion 31, a head 32 in the shape of, for example, a hexagonal NAND is formed for engaging a tool. Inside the other end of the input shaft 12 of the cyclo reducer 10, a female screw portion 33 is formed as a second screw portion that can be screwed into the male screw portion 31 of the screw member 30 for disassembly.
モータ４０の出力軸４１をサイクロ減速機１０の入力軸
１２内から抜き取るときは、上述した締付用ねし部材２
７を入力軸１２から抜き取り、人力軸１２の雌ねじ部３
３に分解用ねし部材３０の雄ねし部３１を螺合させて分
解用ねし部材３０の先端部を出力軸４１の先端面に当接
させる。そして、入力軸１２に対し分解用ねし部材３０
をさらに締め込むごとにより、出力軸４１を入力軸１２
円から押し出す。このような方法によれば、出力軸４１
や入力軸１２を支持するヘアリング等に何ら無理な力を
加えることなく、出力軸４１を容易に抜き取ることがで
きる。When removing the output shaft 41 of the motor 40 from inside the input shaft 12 of the cyclo reducer 10, use the tightening screw member 2 described above.
7 from the input shaft 12, and insert the female screw part 3 of the human power shaft 12.
3 is screwed onto the male threaded part 31 of the disassembling threaded member 30 to bring the tip of the disassembling threaded member 30 into contact with the distal end surface of the output shaft 41. Then, the disassembly screw member 30 is attached to the input shaft 12.
By further tightening the output shaft 41 and input shaft 12,
Push out from the circle. According to such a method, the output shaft 41
The output shaft 41 can be easily pulled out without applying any excessive force to the input shaft 12 or the hair ring supporting the input shaft 12.
締付用ねじ部材２７を締め込む際には出力軸４１を回転
不能に固定する必要がある。また、分解用ねし部材３０
を入力軸１２内に締め込む際には入力軸１２を回転不能
に固定する必要がある。このため、第３図に詳細に示す
ように、入力軸１２の他端部側外周にはレンチ等の工具
に係合させるための係合部３４が形成されている。ここ
では、係合部３４は互いに平行な２つの切欠部からなっ
ている。したがって、締付用ねし部材２７を出力軸４１
に対して締め込む場合には、この２つの切欠部に図示し
ないレンチ等を係合させて入力軸１２を回転不能に拘束
する。出力軸４１ばキー結合によって入力軸１２４二対
し回転不能となっているので、入力軸１２の固定によっ
て出力軸４１を回転不能に拘束することができる。一方
、分が用ねじ部材３０を入力軸１２に対して締め込む場
合にも、レンチ等の工具をこの係合部３４に係合させる
ごとにより、入力軸１２を容易に回転不能に拘束するこ
とができる。When tightening the tightening screw member 27, it is necessary to fix the output shaft 41 so that it cannot rotate. In addition, the screw member 30 for disassembly
When tightening the input shaft 12 into the input shaft 12, it is necessary to fix the input shaft 12 so that it cannot rotate. For this reason, as shown in detail in FIG. 3, an engaging portion 34 for engaging a tool such as a wrench is formed on the outer periphery of the other end of the input shaft 12. Here, the engaging portion 34 consists of two notches parallel to each other. Therefore, the tightening screw member 27 is attached to the output shaft 41.
When tightening the input shaft 12, a wrench or the like (not shown) is engaged with these two notches to restrain the input shaft 12 from rotating. Since the output shaft 41 cannot rotate relative to the input shaft 124 due to the key connection, the output shaft 41 can be restrained from rotating by fixing the input shaft 12. On the other hand, even when tightening the threaded member 30 onto the input shaft 12, the input shaft 12 can be easily restrained from rotating by engaging a tool such as a wrench with the engaging portion 34. I can do it.
以上、一実施例につき説明したが、本発明は上記実施例
の態様のみに限定されるものではなく、例えば、第４図
に示すように、入力軸１２の端部に形成される保合部３
４は２つのピン穴であってもよい。この場合、２つのピ
ンを有する工具３５をこのピン穴に係合させて入力軸１
２０回転を拘束することができる。Although one embodiment has been described above, the present invention is not limited to the aspect of the above embodiment. For example, as shown in FIG. 3
4 may be two pin holes. In this case, a tool 35 having two pins is engaged with this pin hole to
20 rotations can be restricted.
また、出力軸と入力軸との結合強度を高めるためには、
出力軸と減速機の入力軸との係合は上記図示実施例の如
（テーパ面により行なうことが好ましいが、特にこれに
限定されることはない。In addition, in order to increase the coupling strength between the output shaft and input shaft,
The engagement between the output shaft and the input shaft of the speed reducer is preferably carried out by a tapered surface as in the above illustrated embodiment, but is not particularly limited thereto.
また、出力軸の第１ねじ部は雌ねじであってもよく、入
力軸の第２ねじ部は雄ねじであってもよい。Further, the first threaded portion of the output shaft may be a female thread, and the second threaded portion of the input shaft may be a male thread.
また、本発明はサイクロ減速機以外の減速機の入力軸と
モータの出力軸との結合にも同様に適用できるとともに
、これら各種の減速機の入力軸とモータの出力軸以外の
回転シャフトとの結合にも同様に通用できる。Furthermore, the present invention can be similarly applied to the connection between the input shaft of a reduction gear other than a cyclo reduction gear and the output shaft of a motor, and the connection between the input shaft of these various reduction gears and a rotating shaft other than the output shaft of a motor. The same applies to combinations.
発明の効果
以上の説明から明らかなように、本発明は、減速機の入
力軸と回転シャフトとの結合構造において、筒状に形成
した前記入力軸の一端部内側には前記回転シャフトの先
端部外周に嵌合する嵌合面部を形成し、該嵌合面部と前
記回転シャフトの先′端部との間に、前記回転シャフト
の軸方向相対移動を許容し且つ相対回転を規制する回転
規制手段を設け、前記回転シャフトの先端部に第１ねじ
部を形成し、前記入力軸の他端面に当接させた締付用ね
じ部材を前記回転シャフトの第１ねじ部に螺合させて締
め込むことにより前記回転シャフトと前記入力軸とを強
固に結合させ、前記入力軸の他端部には、前記回転シャ
フトの先端面に当接して該回転シャフトを前記入力軸の
貫通孔内から押し出すための分解用ねし部材を螺合させ
る第２ねじ部を形成したことを特徴とするものであるか
ら、減速機の入力軸と回転シャフトとの組付は時には、
回転シャフトや入力軸を支持するためのベアリング等に
無理な力を加えることな（、減速機の入力軸に対し回転
シャフトを強固に結合させることができ、しかも、減速
機の入力軸と回転シャフトとの分解時には、回転シャフ
トを減速機の入力軸内から容易に抜き取ることができる
減速機の入力軸と回転シャフトとの結合構造を提供する
ことができることとなる。Effects of the Invention As is clear from the above description, the present invention provides a coupling structure between an input shaft and a rotary shaft of a reducer, in which a tip portion of the rotary shaft is located inside one end of the input shaft formed into a cylindrical shape. a rotation regulating means forming a fitting surface portion that fits on the outer periphery, and allowing relative axial movement of the rotating shaft and restricting relative rotation between the fitting surface portion and the tip end portion of the rotating shaft; a first threaded portion is formed at the tip of the rotating shaft, and a tightening screw member that is in contact with the other end surface of the input shaft is screwed into the first threaded portion of the rotating shaft and tightened. By this, the rotary shaft and the input shaft are firmly coupled, and the other end of the input shaft is provided with a screw for pushing the rotary shaft out of the through hole of the input shaft by abutting against the distal end surface of the rotary shaft. Since the second screw part is formed to screw the disassembly screw member of
The rotating shaft can be firmly connected to the input shaft of the reducer without applying excessive force to the bearings used to support the rotating shaft or the input shaft. When disassembled, it is possible to provide a coupling structure between the input shaft of the reducer and the rotating shaft, which allows the rotating shaft to be easily extracted from the input shaft of the reducer.
第１図は本発明の一実施例を示す減速機の入力軸と回転
シャフトとの結合構造の要部断面正面図、第２図は第１
図に示す減速機の入力軸と回転シャフトとを分解する状
態を示す要部断面正面図、第３図は第１図に示す減速機
の入力軸に設けられた係合部の斜視図、第４図は係合部
の変形例を示す端面図である。
１０−サイクロ減速機、
１１・−ハウジング、
１２−人力軸、
２４−・−嵌合面部、
２５・−キー、
２６−・キー溝、
２７−・−締付用ねし部材、
３０−・・分解用ねし部材、
３３−・−雌ねじ部（第２ねじ部）、
３４−係合部、
４０−モータ、
４１・・−出力軸、
４２−雄ねじ部（第１ねじ部）。
特許出願人
ファナソク株式会社
特許出願代理人
弁理士 青 木 朗
弁理士西舘 和之
弁理士西岡 押開
弁理士 山 口 昭 之
弁理士凸出 雅也
嘆１図FIG. 1 is a cross-sectional front view of a main part of a coupling structure between an input shaft and a rotary shaft of a reducer showing an embodiment of the present invention, and FIG.
FIG. 3 is a cross-sectional front view of essential parts showing a disassembled state of the input shaft and rotary shaft of the reducer shown in FIG. FIG. 4 is an end view showing a modification of the engaging portion. 10-Cyclo reducer, 11--housing, 12-human power shaft, 24--fitting surface section, 25--key, 26--key groove, 27--tightening screw member, 30-- Screw member for disassembly, 33--Female threaded part (second threaded part), 34-Engaging part, 40-Motor, 41...-Output shaft, 42- Male threaded part (first threaded part). Patent Applicant Fanasoku Co., Ltd. Patent Application Representative Patent Attorney Akira Aoki Patent Attorney Kazuyuki Nishidate Patent Attorney Nishioka Oshikai Patent Attorney Akira Yamaguchi Patent Attorney Masaya Dekode Illustration 1
Claims (1)
いて、筒状に形成した前記入力軸の一端部内側には前記
回転シャフトの先端部外周に嵌合する嵌合面部を形成し
、該嵌合面部と前記回転シャ／″ フトの先端部との間に、前記回転シャフトの軸方向相対
移動を許容し且つ相対回転を規制する回転規制手段を設
け、前記回転シャフトの先端部に第１ねじ部を形成し、
前記入力軸の他端面に当接させた締イ１用ねし部材を前
記回転シャフトの第１ねじ部に螺合させて締め込むこと
により前記回転シャフトと前記入力軸とを強固に結合さ
せ、前記入力軸の他端部には、前記回転シャフトの先端
面に当接して該回転シャフトを前記入力軸の貫通孔内か
ら押し出すための分解用ねし部材を螺合させる第２ねじ
部を形成したことを特徴とする減速機の入力軸と回転シ
ャフトとの結合構造。 ２、前記入力軸には工具を係合させるための切欠部又は
ピン穴が形成されていることを特徴とする特許請求の範
囲第１項に記載の減速機の入力軸と回転シャフトとの結
合構造。 ３、前記回転シャフトはモータの出力軸であることを特
徴とする特許請求の範囲第１項に記載の減速機の入力軸
と回転シャフトとの結合構造。 ４、前記入力軸は減速機のハウジングに回転可能に支持
されており、前記入力軸の外周側にはベアリング保持面
が入力軸の軸心に対し偏心状態で形成されており、該ベ
アリング保持面にはベアリングの内輪が嵌着されており
、該ベアリングの外輪には回転板が嵌着されており、該
回転板の外周には回転板の軸心を中心とする円周に沿っ
て連続波形のカム面が形成されており、前記ハウジング
には前記回転板のカム面の波数よりも多い数の外ビンが
前記カム面と噛み合うように前記入力軸の軸心を中心と
する円周に沿って配設されており、前記回転板には複数
個の穴が回転板の軸心を中心とする円周に沿って配設さ
れており、前記入力軸に対し同軸に配置され且つ前記ハ
ウジングに回転可能に支持された出力軸には前記各穴に
遊嵌する内ピンが前記出力軸の軸心を中心とする円周に
沿って配設されていることを特徴とする特許請求の範囲
第１項に記載の減速機の入力軸と回転シャフトとの結合
構造。 ５、前記回転シャフトの先端部及び前記入力軸の一端部
側嵌合面部はテーパ状に形成されていることを特徴とす
る特許請求の範囲第１項に記載の減速機の入力軸と回転
シャフトとの結合構造。 ６、前記回転規制手段は前記回転シャフトの先α１１１
部外周面に嵌着されたキーと前記入力軸の一端部側嵌合
面部に形成されたキー溝とからなっていることを特徴と
する特許請求の範囲第１項に記載の減速機の人力軸と回
転シャフトとの結合構造。 ７、 前記第１ねじ部は前記回転シャフトの先端部に突
設された雄ねじ体であることを特徴とする特許請求の範
囲第１項に記載の減速機の入力軸と回転シャフトとの結
合構造。 ８、前記第２ねじ部は前記入力軸の他端部内面に形成さ
れた雌ねじ部であることを特徴とする特許請求の範囲第
１項に記載の減速機の入力軸と回転シャフトとの結合構
造。[Scope of Claims] 1. In a coupling structure between an input shaft and a rotating shaft of a reducer, a fitting surface portion that fits on the outer periphery of a tip end of the rotating shaft is provided inside one end of the input shaft formed in a cylindrical shape. A rotation regulating means for permitting relative axial movement of the rotating shaft and restricting relative rotation is provided between the fitting surface portion and the tip of the rotating shaft; forming a first threaded portion at the tip;
The rotary shaft and the input shaft are firmly connected by screwing and tightening a screw member for the fastener 1 that is brought into contact with the other end surface of the input shaft into the first threaded portion of the rotary shaft; A second threaded portion is formed at the other end of the input shaft, into which a disassembly screw member that comes into contact with the distal end surface of the rotary shaft and pushes out the rotary shaft from the through hole of the input shaft is screwed. A coupling structure between an input shaft and a rotating shaft of a reducer, which is characterized by: 2. The connection between the input shaft of the reducer and the rotary shaft according to claim 1, wherein the input shaft is formed with a notch or a pin hole for engaging a tool. structure. 3. The coupling structure of an input shaft and a rotating shaft of a speed reducer according to claim 1, wherein the rotating shaft is an output shaft of a motor. 4. The input shaft is rotatably supported by the housing of the reducer, and a bearing holding surface is formed eccentrically with respect to the axis of the input shaft on the outer peripheral side of the input shaft, and the bearing holding surface The inner ring of the bearing is fitted into the outer ring of the bearing, the rotating plate is fitted into the outer ring of the bearing, and the outer periphery of the rotating plate has a continuous wave pattern along the circumference centered on the axis of the rotating plate. A cam surface is formed on the housing, and a number of outer bins that are larger in number than the wave number of the cam surface of the rotary plate are formed along a circumference around the axis of the input shaft so as to mesh with the cam surface. A plurality of holes are arranged in the rotary plate along a circumference centered on the axis of the rotary plate, and are arranged coaxially with the input shaft and in the housing. The rotatably supported output shaft is provided with inner pins that are loosely fitted into the respective holes and arranged along a circumference centered on the axis of the output shaft. A coupling structure between an input shaft and a rotating shaft of the reducer according to item 1. 5. The input shaft and rotary shaft of the reducer according to claim 1, wherein the distal end of the rotary shaft and the fitting surface on one end side of the input shaft are formed in a tapered shape. Combined structure with. 6. The rotation regulating means is located at the tip α111 of the rotating shaft.
A manual reduction gear according to claim 1, characterized in that the reducer comprises a key fitted on the outer peripheral surface of the input shaft and a key groove formed on the fitting surface on one end side of the input shaft. A joint structure between an axis and a rotating shaft. 7. The coupling structure between the input shaft and the rotating shaft of the reducer according to claim 1, wherein the first threaded portion is a male threaded body protruding from the tip of the rotating shaft. . 8. The connection between the input shaft and rotating shaft of the reducer according to claim 1, wherein the second threaded portion is a female threaded portion formed on the inner surface of the other end of the input shaft. structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59065186A JPS60208633A (en) | 1984-04-03 | 1984-04-03 | Coupling structure between input shaft of reduction gear unit and rotary shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59065186A JPS60208633A (en) | 1984-04-03 | 1984-04-03 | Coupling structure between input shaft of reduction gear unit and rotary shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60208633A true JPS60208633A (en) | 1985-10-21 |
Family
ID=13279635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59065186A Pending JPS60208633A (en) | 1984-04-03 | 1984-04-03 | Coupling structure between input shaft of reduction gear unit and rotary shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60208633A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374278A (en) * | 2010-08-11 | 2012-03-14 | 住友重机械工业株式会社 | Speed reducing device |
| JP2014077496A (en) * | 2012-10-10 | 2014-05-01 | Sumitomo Heavy Ind Ltd | Eccentric oscillation type speed reducer |
| CN105485258A (en) * | 2014-10-01 | 2016-04-13 | 住友重机械工业株式会社 | Driving device of stirring shaft |
| JP2022049228A (en) * | 2020-09-16 | 2022-03-29 | ナブテスコ株式会社 | Speed reducer |
| JP2023148137A (en) * | 2022-03-30 | 2023-10-13 | 住友重機械工業株式会社 | Decelerator |
-
1984
- 1984-04-03 JP JP59065186A patent/JPS60208633A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374278A (en) * | 2010-08-11 | 2012-03-14 | 住友重机械工业株式会社 | Speed reducing device |
| EP2418400A3 (en) * | 2010-08-11 | 2012-05-30 | Sumitomo Heavy Industries, LTD. | Speed reducing device |
| JP2014077496A (en) * | 2012-10-10 | 2014-05-01 | Sumitomo Heavy Ind Ltd | Eccentric oscillation type speed reducer |
| CN105485258A (en) * | 2014-10-01 | 2016-04-13 | 住友重机械工业株式会社 | Driving device of stirring shaft |
| JP2022049228A (en) * | 2020-09-16 | 2022-03-29 | ナブテスコ株式会社 | Speed reducer |
| CN114263721A (en) * | 2020-09-16 | 2022-04-01 | 纳博特斯克有限公司 | Speed reducer |
| JP2023148137A (en) * | 2022-03-30 | 2023-10-13 | 住友重機械工業株式会社 | Decelerator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5647814A (en) | Four pinion mate differential gear assembly having a one-piece differential case | |
| US5006007A (en) | Vibration-proof coupling | |
| JPS6048651B2 (en) | Mounting device | |
| US6298751B1 (en) | Drive transmission apparatus for twin-screw extruder | |
| US20160341267A1 (en) | Speed reducer with a brake | |
| US4978329A (en) | Limited slip differential | |
| JP2004522921A (en) | Pinion with double-sided fixed tapered roller bearing for differential gears. | |
| JP2001140835A (en) | Bolt and fastening device with this bolt | |
| JPH0727121A (en) | Screw for tightening | |
| JPH06503406A (en) | Connection member for forced and constrained connection of outer member and shaft | |
| JPH0440565B2 (en) | ||
| JP2563865Y2 (en) | Rotary pump | |
| US11207975B2 (en) | Portal gear for model vehicles | |
| EP2669522B1 (en) | Single-shaft eccentric screw pump | |
| JP2017511449A (en) | Rotating shaft coupling device | |
| US4338036A (en) | Tapered bushing and hub assembly for sheaves, gears, sprockets, couplings and similar machine elements | |
| WO2012075370A1 (en) | Hub clamp assembly | |
| JPH02217622A (en) | Fitting structure of power transmission member at rotary shaft | |
| JPS60208633A (en) | Coupling structure between input shaft of reduction gear unit and rotary shaft | |
| JPS6124571B2 (en) | ||
| WO1990002272A2 (en) | Shaft positioning and coupling device | |
| DE10335810A1 (en) | Powertrain with a motor-generator rotor that has a fastening ring for torque transmission | |
| CN109514480B (en) | Detachable nut screwing device | |
| US3858300A (en) | Jackscrew device | |
| JPH08135766A (en) | Connecting method and connecting mechanism for rotating member |