JPH11141563A - Rotor fixture - Google Patents

Rotor fixture

Info

Publication number
JPH11141563A
JPH11141563A JP9304397A JP30439797A JPH11141563A JP H11141563 A JPH11141563 A JP H11141563A JP 9304397 A JP9304397 A JP 9304397A JP 30439797 A JP30439797 A JP 30439797A JP H11141563 A JPH11141563 A JP H11141563A
Authority
JP
Japan
Prior art keywords
slit
diameter
cylindrical portion
diameter cylindrical
peripheral surface
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
Application number
JP9304397A
Other languages
Japanese (ja)
Inventor
Takahiro Nishikawa
隆博 西川
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.)
Tsubakimoto Chain Co
Original Assignee
Tsubakimoto Chain Co
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 Tsubakimoto Chain Co filed Critical Tsubakimoto Chain Co
Priority to JP9304397A priority Critical patent/JPH11141563A/en
Priority to IT98GE000091 priority patent/IT1304387B1/en
Priority to DE1998151355 priority patent/DE19851355A1/en
Publication of JPH11141563A publication Critical patent/JPH11141563A/en
Pending 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
    • F16D1/00Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/08Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
    • F16D1/0852Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft
    • F16D1/0864Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft due to tangential loading of the hub, e.g. a split hub

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
  • Forging (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Dowels (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a rotor fixture of simple structure which enables quick and easy assembling of a rotor on a shaft whose outside diameter is enlarged at the two ends, does not require any working space in the axial direction when the assembling work is conducted, and allows establishing a sturdy coupling of the shaft with rotor. SOLUTION: A shaft hole 2 is formed in the center of a minor diametric cylinder part 4, which is positioned beside a major diametric cylinder part 3 and whose periphery can be fitted in the center hole of a rotor. The major and minor cylinder parts are split by a first slit S1 into two segments each, which are coupled together separably by fastening bolt 5 on the major side. The first slit is formed wider on the bolt side of the major cylinder part than the same side of the minor cylinder part, and a second slit S2 is cut from a position on the peripheral surface of the minor cylinder part where the first slit opens and which is positioned near the fastening bolt of the major cylinder part to a position beyond the center of the shaft hole upon intruding into the major cylinder part, and it is possible that the parts on the sides of the second slit make elastic deformation individually.

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、回転体を軸に固定
するための回転体固定具に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotator fixing device for fixing a rotator to a shaft.

【0002】[0002]

【従来の技術】従来、プーリやスプロケット、歯車等の
回転体を軸に固定する手段としては、例えば、実公昭6
2−6338号公報に示されているように、軸外周面に
嵌合されるインナーレースと回転体のボス内周に嵌合さ
れるアウターレースの両外側にそれぞれ楔状テーパ面を
形成して、それぞれの楔状テーパ面間に一対のテーパリ
ングを両側から多数の締付ボルトによって楔合させ、イ
ンナーレース内周面を拡径させて軸外周面に圧接させる
とともに、アウターレース外周面をボスの内周面に圧接
させて、軸とボスとを締結する構造の回転体固定具が提
案されている。
2. Description of the Related Art Conventionally, means for fixing a rotating body such as a pulley, a sprocket, and a gear to a shaft is disclosed in, for example,
As shown in JP-A-6-3338, wedge-shaped tapered surfaces are formed on both outer sides of an inner race fitted on the outer peripheral surface of the shaft and an outer race fitted on the inner periphery of the boss of the rotating body. A pair of tapered rings are wedge-fitted from each side by a number of tightening bolts between the respective wedge-shaped tapered surfaces, and the inner peripheral surface of the inner race is expanded and pressed against the outer peripheral surface of the shaft. A rotating body fixture having a structure in which a shaft and a boss are fastened by being pressed against a peripheral surface has been proposed.

【0003】[0003]

【発明が解決しようとする課題】前述した実公昭62−
6338号公報に記載されている構造の回転体固定具
は、軸の端部からインナーレースを装着する構造である
ため、回転体固定具を固定する位置の両側で外径が拡大
されている軸には取り付けることができず、また、締付
ボルトが多数用いられているため締付け作業に時間を要
し、しかも、締付ボルトが軸に平行に配置されているた
め、回転体固定具の軸方向両側に作業空間を必要とする
問題があった。
Problems to be Solved by the Invention
The rotating body fixture having the structure described in Japanese Patent No. 6338 has a structure in which an inner race is mounted from the end of the shaft. Therefore, a shaft whose outer diameter is enlarged on both sides of the position where the rotating body fixture is fixed. Cannot be mounted on the shaft, and because a large number of tightening bolts are used, time is required for tightening work. Further, since the tightening bolts are arranged parallel to the shaft, the shaft of the rotating body fixing device is not provided. There was a problem that required a work space on both sides in the direction.

【0004】そこで本発明は、前述した従来技術の問題
を解決し、両端で外径が拡大されている軸に回転体を迅
速且つ容易に組付可能で、組付作業を行う際に軸方向の
作業空間を必要とせずに、軸と回転体とを強固に結合す
ることができる構造が簡単な回転体固定具を提供するこ
とを目的とする。
Accordingly, the present invention solves the above-mentioned problems of the prior art, and enables a rotating body to be quickly and easily mounted on a shaft whose outer diameter is enlarged at both ends. It is an object of the present invention to provide a rotating body fixing device having a simple structure capable of firmly connecting a shaft and a rotating body without requiring a working space.

【0005】[0005]

【課題を解決するための手段】前記目的を達成するた
め、本発明の回転体固定具は、軸に適合する軸孔が中心
部を貫通して形成され、弾性変形可能な略円筒状の外周
面を有する大径筒部と前記大径筒部より小径で且つ回転
体の中心孔に適合する前記軸孔と略同心の円筒状外周面
を有する小径筒部とが軸方向に連設されているととも
に、前記軸孔を直径方向に横断する第1のスリットによ
って大径筒部と小径筒部とがそれぞれ2つの部分に分割
され、大径筒部の軸孔から偏った位置で第1のスリット
を横断する締付ボルトによって前記2つの部分どうしが
締付け及び分離可能に連結されているとともに、大径筒
部の締付ボルトが横断する側では第1のスリットの間隔
が小径筒部の同じ側よりも広く形成され、小径筒部外周
面の第1のスリットが開口し且つ大径筒部の締付ボルト
側に近い位置から第1のスリットと交差する方向で且つ
途中から大径筒部へ侵入して軸孔中心を越える位置まで
第2のスリットが切込み形成されて第2スリットを挟ん
だ両側の部分が個別に弾性変形可能とされているもので
ある。
In order to achieve the above object, a rotating body fixing device according to the present invention has a shaft hole adapted to a shaft formed through a central portion thereof, and has a substantially cylindrical outer periphery which is elastically deformable. A large-diameter cylindrical portion having a surface and a small-diameter cylindrical portion having a cylindrical outer peripheral surface substantially concentric with the shaft hole having a diameter smaller than that of the large-diameter cylindrical portion and adapted to the center hole of the rotating body are continuously provided in the axial direction. At the same time, the large-diameter cylindrical portion and the small-diameter cylindrical portion are each divided into two portions by a first slit traversing the shaft hole in the diameter direction, and the first portion is located at a position deviated from the shaft hole of the large-diameter cylindrical portion. The two portions are connected in a separable manner by a tightening bolt that crosses the slit, and the gap between the first slits is the same as that of the small-diameter cylindrical portion on the side of the large-diameter cylindrical portion where the tightening bolt crosses. The first slit on the outer peripheral surface of the small-diameter cylindrical portion A second slit is cut from a position close to the tightening bolt side of the large-diameter cylindrical portion in a direction intersecting the first slit and into the large-diameter cylindrical portion from the middle and beyond the center of the shaft hole. The portions on both sides of the second slit are individually elastically deformable.

【0006】前記回転体固定具においては、第2のスリ
ットの幅方向内側部分は大径筒部内で軸孔中心を越えた
途中位置まで切込まれているとともに、前記内側部分の
両外側は第2のスリットの切込み方向に大径筒部外周面
まで達していることが望ましい。
In the rotating body fixing device, an inner portion in the width direction of the second slit is cut into an intermediate position beyond the center of the shaft hole in the large-diameter cylindrical portion, and both outer sides of the inner portion are formed in the second portion. It is desirable to reach the outer peripheral surface of the large-diameter cylindrical portion in the cutting direction of the second slit.

【0007】また、本発明の回転体固定具は、軸に適合
する軸孔が中心部を貫通して形成され、弾性変形可能な
略円筒状の外周面を有する大径筒部と前記大径筒部より
小径で且つ回転体の中心孔に適合する前記軸孔と略同心
の円筒状外周面を有する小径筒部とが軸方向に連設され
ているとともに、前記軸孔を直径方向に横断する第1の
スリットによって大径筒部と小径筒部とがそれぞれ2つ
の部分に分割され、大径筒部の軸孔から偏った位置で第
1のスリットを横断する締付ボルトによって前記2つの
部分どうしが締付け及び分離可能に連結されているとと
もに、大径筒部の締付ボルトが横断する側では第1のス
リットの間隔が小径筒部の同じ側よりも広く形成され、
大径筒部の軸孔に対する締付ボルト側と反対側で且つ小
径筒部近傍において、大径筒部外周面と軸孔内周面とを
半径方向に連通する一対のネジ孔が第1スリットの中心
面に対して両側に鋭角をなすように対称的に形成され、
第1のスリットで分割されている前記2つの部分のそれ
ぞれにおいて、小径筒部外周面の大径筒部の締付ボルト
側に近い位置からネジ孔の中心軸線と直交する方向に第
2のスリットが切込まれ、第2のスリットの終端部がネ
ジ孔内に連通するように形成されて第2スリットを挟ん
だ両側の部分が個別に弾性変形可能とされ、前記一対の
ネジ孔の径は第2のスリットの間隔より大きく形成され
ているとともに、これらのネジ孔内部に止ネジが螺合さ
れているものである。
Further, in the rotating body fixing device of the present invention, a large-diameter cylindrical portion having a substantially cylindrical outer peripheral surface having a substantially cylindrical outer peripheral surface which is formed with a shaft hole passing through a central portion and adapted to a shaft. The shaft hole having a smaller diameter than the cylindrical portion and adapted to the center hole of the rotating body and a small-diameter cylindrical portion having a substantially concentric cylindrical outer peripheral surface are continuously provided in the axial direction, and traverse the shaft hole in the diameter direction. The large-diameter tube portion and the small-diameter tube portion are each divided into two portions by the first slit, and the two bolts cross the first slit at a position deviated from the shaft hole of the large-diameter tube portion. The parts are connected so as to be tightenable and separable, and the interval between the first slits is formed wider on the side where the tightening bolt of the large diameter cylinder crosses than on the same side of the small diameter cylinder,
A pair of screw holes that radially communicate the outer peripheral surface of the large-diameter tube portion and the inner peripheral surface of the shaft hole in a direction opposite to the tightening bolt side with respect to the shaft hole of the large-diameter tube portion and near the small-diameter cylinder portion. Is formed symmetrically so as to form an acute angle on both sides with respect to the center plane of
In each of the two portions divided by the first slit, a second slit is formed in a direction perpendicular to the center axis of the screw hole from a position near the tightening bolt side of the large-diameter cylindrical portion on the outer peripheral surface of the small-diameter cylindrical portion. Is formed so that the terminal end of the second slit communicates with the inside of the screw hole, and the portions on both sides sandwiching the second slit can be individually elastically deformed. The diameter of the pair of screw holes is The screw holes are formed larger than the interval between the second slits, and set screws are screwed into these screw holes.

【0008】[0008]

【作用】回転体を軸に固定する場合には、回転体固定具
から締付ボルトを外して2つの部分に分解した状態で軸
を両側から挟み込んで軸孔内に位置させ、次いで締付ボ
ルトによって前記2つ部分を一つに連結する。この際、
締付ボルトは緩めておく。
When the rotating body is fixed to the shaft, the fastening bolt is removed from the rotating body fixing tool, and the shaft is sandwiched from both sides in a state of being disassembled into two parts, and is positioned in the shaft hole. Connects the two parts together. On this occasion,
Loosen the tightening bolt.

【0009】次いで、小径筒部の外周面に回転体の中心
孔を嵌合させ、回転体固定具の位置を軸方向に調整して
軸に対する回転体の取付位置を決めた後、締付ボルトを
レンチ等の工具で締め付けていく。
Next, the center hole of the rotating body is fitted into the outer peripheral surface of the small-diameter cylindrical portion, and the position of the rotating body fixture is adjusted in the axial direction to determine the mounting position of the rotating body with respect to the shaft. With a tool such as a wrench.

【0010】そうすると、大径筒部の第1のスリット両
側の対向面どうしの締付ボルト近傍は、互いに引き寄せ
されるため、スリットで分割されている回転体固定具の
2つの部分にはそれぞれ軸の回りに互いに反対向きの回
動変位を生じる。
[0010] Then, the vicinity of the tightening bolt between the opposing surfaces on both sides of the first slit of the large-diameter cylindrical portion is attracted to each other. Around each other.

【0011】その結果、軸に対して締付ボルトが貫通し
ている側では第1のスリットの間隔は次第に狭まるが、
大径筒部の締付ボルト側では、第1のスリットの間隔は
あらかじめ小径筒部の同じ側よりも広く形成されている
ため、締付ボルト周囲の対向面どうしが当接する前に、
小径筒部で締付ボルト側の対向面どうしが当接する。
As a result, on the side where the tightening bolt penetrates the shaft, the interval between the first slits gradually decreases,
On the tightening bolt side of the large-diameter cylindrical portion, the interval between the first slits is previously formed wider than the same side of the small-diameter cylindrical portion, so before the opposing surfaces around the tightening bolt come into contact with each other,
The opposing surfaces on the side of the tightening bolt come into contact with each other in the small-diameter cylindrical portion.

【0012】この状態から締付ボルトをさらに締め付け
ていくと、対向面が当接している側と軸を挟んで反対側
では、大径筒部側から第1のスリットを拡げようとする
力が伝達されるので、小径筒部は僅かに弾性変形してそ
の外周面が第1のスリットの左右両側で回転体の中心孔
内周面に押し付けられる。
In this state, when the tightening bolt is further tightened, a force for expanding the first slit from the large-diameter cylindrical portion on the side opposite to the side where the opposing surface is in contact and the side opposite to the shaft is sandwiched. As a result, the small-diameter cylindrical portion is slightly elastically deformed, and its outer peripheral surface is pressed against the inner peripheral surface of the center hole of the rotating body on both the left and right sides of the first slit.

【0013】その結果、小径筒部の外周面は回転体の中
心孔内周面に両外側への変位が拘束され、軸に対して締
付ボルトと反対側の第1のスリットの間隔はそれ以上拡
がることができなくなる。
As a result, the outer peripheral surface of the small-diameter cylindrical portion is restricted by the inner peripheral surface of the center hole of the rotating body to both outward displacements, and the distance between the first slit on the side opposite to the tightening bolt with respect to the shaft is reduced. The above cannot be expanded.

【0014】一方、第1のスリットで分割されている小
径筒部の両側部分は、第1のスリット両側の第2のスリ
ットの終端と大径筒部外周面との間に残された部分で、
大径筒部の両側部分と連続しているため、締付ボルトの
締結力は、大径筒部の第1のスリットで分割されている
両側部分を内側に弾性変形させて軸孔の内周面で両側か
ら軸を締付け、回転体固定具を介して回転体と軸が強固
に連結される。
On the other hand, both side portions of the small-diameter cylindrical portion divided by the first slit are portions left between the end of the second slit on both sides of the first slit and the outer peripheral surface of the large-diameter cylindrical portion. ,
Since it is continuous with both side portions of the large-diameter cylindrical portion, the fastening force of the tightening bolt causes the both side portions divided by the first slit of the large-diameter cylindrical portion to elastically deform inward, thereby forming the inner periphery of the shaft hole. The shaft is fastened from both sides on the surface, and the rotating body and the shaft are firmly connected via the rotating body fixture.

【0015】[0015]

【実施例】以下、図面に基づいて本発明の実施例を説明
する。図1は、本発明の回転体固定具の第1実施例を示
す斜視図、図2はその分解斜視図、図3は側面図であっ
て、回転体固定具1は、鋼やアルミニウム等の弾性変形
可能な強度の高い材料で形成されている。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a first embodiment of a rotating body fixture of the present invention, FIG. 2 is an exploded perspective view thereof, and FIG. 3 is a side view. It is made of a high strength material that can be elastically deformed.

【0016】これらの図に示す回転体固定具1は、スプ
ロケット、ギヤ、プーリ等の回転体と、前記回転体が固
定される軸との間に介装して、回転体を軸に固定するも
のであって、軸に適合する軸孔2が中心部を貫通して形
成され、略円筒状の大径筒部3とこれより外径の小さい
小径筒部4とが軸方向に連設された形状になっている。
The rotating body fixing tool 1 shown in these figures is interposed between a rotating body such as a sprocket, a gear, a pulley and a shaft to which the rotating body is fixed, and fixes the rotating body to the shaft. A shaft hole 2 adapted to the shaft is formed through the center portion, and a large-diameter cylindrical portion 3 having a substantially cylindrical shape and a small-diameter cylindrical portion 4 having a smaller outer diameter than the large-diameter cylindrical portion 3 are provided continuously in the axial direction. Shape.

【0017】前記回転体固定具1は、軸孔2を直径方向
に分割する第1のスリットS1によって大径筒部3と小
径筒部4とがそれぞれに2つの部分に分割されており、
図2に示すように分解可能になっている。
The large-diameter cylindrical portion 3 and the small-diameter cylindrical portion 4 are divided into two parts by a first slit S1 which divides the shaft hole 2 in the diameter direction.
It can be disassembled as shown in FIG.

【0018】大径筒部3には、軸孔2から偏った位置
で、第1のスリットS1を横断する締付ボルト5が装着
されるようになっており、回転体固定具1のスリットS
1で分割された片方の部分1A側の大径筒部3には、前
記締付ボルト5を挿通するためのボルト挿通孔6が外周
面と第1のスリットS1との間を貫通して形成されてお
り、外周面側には締付ボルト5の頭部5Aが収容される
切欠部7が設けられている。
At the position deviated from the shaft hole 2, a tightening bolt 5 traversing the first slit S 1 is mounted on the large-diameter cylindrical portion 3.
A bolt insertion hole 6 for inserting the tightening bolt 5 is formed in the large-diameter cylindrical portion 3 on one side 1A divided by 1 through the outer peripheral surface and the first slit S1. A notch 7 is provided on the outer peripheral surface side for accommodating the head 5A of the tightening bolt 5.

【0019】また、図4は大径筒部3の端面図であり、
同図に示すように、第1のスリットS1によって2分割
されている回転体固定具1の片方の部分1Aと他方の部
分1Bの対向面C1,C2は平面に仕上げられており、
ボルト挿通孔6は前記対向面C1に対して垂直に形成さ
れているとともに、締付ボルト5の首下の径よりやや大
きめに形成されている。
FIG. 4 is an end view of the large-diameter cylindrical portion 3.
As shown in the figure, the opposing surfaces C1 and C2 of one part 1A and the other part 1B of the rotating body fixture 1 divided into two by the first slit S1 are finished to be flat.
The bolt insertion hole 6 is formed perpendicular to the facing surface C1, and is formed slightly larger than the diameter of the fastening bolt 5 below the neck.

【0020】一方、前記ボルト挿通孔6と対向して、対
向面C2には締付ボルト5が螺合されるネジ孔8が大径
筒部3の外周面まで貫通形成されている。また、前記対
向面C2は、前記ネジ孔8の周囲を除いて対向面C1と
平行する平面に形成されており、これらの対向面C1,
C2間で形成されている第1のスリットS1の幅は、2
つの部分1A,1Bを合わせて軸孔2内周面が略真円と
なる状態で0.8mm程度に設定されている。
On the other hand, a screw hole 8 into which the fastening bolt 5 is screwed is formed through the outer surface of the large-diameter cylindrical portion 3 so as to face the bolt insertion hole 6 on the opposite surface C2. The opposite surface C2 is formed in a plane parallel to the opposite surface C1 except for the periphery of the screw hole 8, and the opposite surfaces C1,
The width of the first slit S1 formed between C2 is 2
It is set to about 0.8 mm in a state where the inner peripheral surface of the shaft hole 2 including the two portions 1A and 1B is substantially circular.

【0021】また、小径筒部4の外周面の第1のスリッ
トS1が開口し且つ大径筒部3の締付ボルト5側に近い
位置Pから第1のスリットS1と交差する方向で且つ途
中から大径筒部3へ侵入して軸孔2中心を越える位置Q
まで第2のスリットS2が切込み形成されている。
Further, the first slit S1 on the outer peripheral surface of the small-diameter cylindrical portion 4 is opened and a position P close to the tightening bolt 5 side of the large-diameter cylindrical portion 3 intersects with the first slit S1 in the middle. Position Q which enters the large-diameter cylindrical part 3 from the
A second slit S2 is formed by cutting.

【0022】部分1B側の対向面C2は、スリットS2
を境にしてネジ孔8側が半径方向外側に向けて、対向面
C1との間隔が拡大するように傾斜しており、図4に示
すようにこの部分で、第1のスリットS1の間隔が小径
筒部4の同じ側の部分よりも広く形成されている。
The facing surface C2 on the side of the portion 1B is formed by a slit S2
The screw hole 8 side is inclined toward the outside in the radial direction so that the distance from the opposing surface C1 increases, and the distance between the first slits S1 is small at this point as shown in FIG. It is formed wider than the portion on the same side of the tube portion 4.

【0023】前記ネジ孔8は対向面C2に対して垂直に
形成されており、締付ボルト5を締め付けていない状態
においては、ネジ孔8の方向はボルト挿通孔6の方向に
対して僅かに傾いている。
The screw hole 8 is formed perpendicular to the facing surface C2. When the tightening bolt 5 is not tightened, the direction of the screw hole 8 is slightly different from the direction of the bolt insertion hole 6. Leaning.

【0024】なお、本実施例の回転体固定具1では、段
付軸に装着する場合に小径筒部4の端面を前記段付軸の
段部に当接できるように、小径筒部4の軸孔2の開口部
周囲に段部のアールとの干渉を防ぐ面取り2Aが施され
ている。
In the rotary member fixing device 1 of the present embodiment, the small-diameter cylindrical portion 4 is mounted on the stepped shaft so that the end surface of the small-diameter cylindrical portion 4 can abut on the step of the stepped shaft. A chamfer 2A is provided around the opening of the shaft hole 2 to prevent interference with the radius of the step.

【0025】図5は前述したように構成されている回転
体固定具1を用いて、軸Xに回転体としての伝動チェー
ンが掛け渡されるスプロケットRを取り付けた状態を示
している。
FIG. 5 shows a state in which a sprocket R around which a transmission chain as a rotating body is wound is attached to the axis X by using the rotating body fixing device 1 having the above-described structure.

【0026】同図に示すように軸XにスプロケットRを
固定するためには、回転体固定具1を図2のように2つ
の部分1A,1Bに分解しておいて、軸Xを左右両側か
ら挟み込んで軸孔2内に位置させ、次いで締付ボルト5
に座金9を装着した状態で、回転体固定具1の一方の部
分1Aのボルト挿通孔6へ大径筒部3の外周側から差し
込んで、第1のスリットS1を横断して他方の部分1B
のネジ孔8へ螺合し、2つの部分1A,1Bを一つに連
結する。この際、締付ボルト5はまだ緩めた状態にして
おく。なお、前記座金9には、締付ボルト5を少ないト
ルクで楽に締め付けられるように滑性を高める表面処理
が施されている。
In order to fix the sprocket R to the shaft X as shown in FIG. 2, the rotating body fixture 1 is disassembled into two parts 1A and 1B as shown in FIG. , And positioned in the shaft hole 2, and then tighten the tightening bolt 5.
In the state where the washer 9 is attached to the rotary body fixture 1, the rotary body fixing tool 1 is inserted into the bolt insertion hole 6 of the one portion 1A from the outer peripheral side of the large-diameter cylindrical portion 3 and crosses the first slit S1 to the other portion 1B.
And the two parts 1A and 1B are connected to one. At this time, the tightening bolt 5 is still loosened. The washer 9 is provided with a surface treatment for enhancing the lubrication so that the tightening bolt 5 can be easily tightened with a small torque.

【0027】次いで、小径筒部4の外周面をスプロケッ
トRに形成されている中心孔Hに嵌合させ、この状態で
回転体固定具1の位置を軸方向に調整して、軸Xに対す
るスプロケットRの取付位置を決めた後、締付ボルト5
をレンチ等の工具で締め付けていく。
Next, the outer peripheral surface of the small-diameter cylindrical portion 4 is fitted into a center hole H formed in the sprocket R, and in this state, the position of the rotating body fixture 1 is adjusted in the axial direction, and the sprocket with respect to the axis X is adjusted. After determining the mounting position of R, tighten the tightening bolt 5
With a tool such as a wrench.

【0028】そうすると、図6に示すように、大径筒部
3の第1のスリットS1で2分割されている締付ボルト
5近傍では、対向面C1,C2どうしが互いに引き寄せ
されるため、回転体固定具1の2つの部分1A,1Bに
はそれぞれ軸Xの回りに互いに反対向きの回動変位を生
じる。
Then, as shown in FIG. 6, in the vicinity of the tightening bolt 5 divided into two by the first slit S1 of the large-diameter cylindrical portion 3, the opposing surfaces C1 and C2 are attracted to each other. The two parts 1 </ b> A and 1 </ b> B of the body fixing tool 1 are respectively rotated about the axis X in opposite directions.

【0029】前記回動変位によって、スプロケットRの
中心孔H内に嵌合されている小径筒部4では、図7に示
すように、軸Xに対して締付ボルト5と同じ側で2つの
部分1A,1Bの対向面C1,C2どうしが当接する。
As shown in FIG. 7, the small-diameter cylindrical portion 4 fitted in the center hole H of the sprocket R by the rotational displacement has two bolts on the same side as the tightening bolt 5 with respect to the axis X, as shown in FIG. The opposing surfaces C1 and C2 of the portions 1A and 1B come into contact with each other.

【0030】そして、この状態から締付ボルト5をさら
に締め付けていくと、対向面C1,C2が当接している
側と軸Xを挟んで反対側で大径筒部3側から第1のスリ
ットS1を拡げようとする力が伝達されているため、小
径筒部4は僅かに弾性変形して外周面が第1のスリット
S1の左右両側でスプロケットRの中心孔Hの内周面に
押し付けられる。
When the tightening bolt 5 is further tightened from this state, the first slit is formed from the side of the large-diameter cylindrical portion 3 on the side opposite to the side where the opposing surfaces C1 and C2 are in contact with the axis X. Since the force for expanding S1 is transmitted, the small-diameter cylindrical portion 4 is slightly elastically deformed, and the outer peripheral surface is pressed against the inner peripheral surface of the center hole H of the sprocket R on both the left and right sides of the first slit S1. .

【0031】その結果、小径筒部4の外周面はスプロケ
ットRの中心孔内周面に両外側への変位を拘束され、軸
Xに対して締付ボルト5と反対側の第1のスリットS1
の間隔はそれ以上拡がらなくなる。
As a result, the outer peripheral surface of the small-diameter cylindrical portion 4 is restricted by the inner peripheral surface of the center hole of the sprocket R from being displaced outward and outward, and the first slit S1 on the opposite side of the axis X from the tightening bolt 5 is restrained.
Does not expand any further.

【0032】一方、小径筒部4の第1のスリットS1で
分割されている両側部分は、図6に示すように、第1の
スリットS1の両側で大径筒部3の外周面と第2のスリ
ットの終端との間に形成されている連続部Mで大径筒部
3と連結されているため、締付ボルト5の締結力は、大
径筒部3の第1のスリットS1で分割されている両側部
分を内側に弾性変形させて、軸孔2の内周面で両側から
軸Xを締め付け、スプロケットRが回転体固定具1を介
して軸Xに強固に摩擦固定される。
On the other hand, as shown in FIG. 6, both sides of the small-diameter cylindrical portion 4 divided by the first slit S1 are formed on both sides of the first slit S1 with the outer peripheral surface of the large-diameter cylindrical portion 3 and the second slit S1. Is connected to the large-diameter cylindrical portion 3 by the continuous portion M formed between the large-diameter cylindrical portion 3 and the end of the large-diameter cylindrical portion 3. The sprockets R are firmly frictionally fixed to the shaft X via the rotating body fixing tool 1 by elastically deforming the both side portions inwardly and tightening the shaft X from both sides on the inner peripheral surface of the shaft hole 2.

【0033】次に、図8は本発明の回転体固定具の第2
実施例を示す側面図、図9は、図8の回転体固定具を大
径筒部側から見た端面図であって、本実施例の回転体固
定具1’は、第2のスリットS’2の形状が、第1実施
例のものと異なっている。なお、図8及び図9中で、第
1実施例の回転体固定具1と同一構造の部分は、図1〜
図4中の番号と同一番号で示している。
Next, FIG. 8 shows a second embodiment of the rotating body fixture of the present invention.
FIG. 9 is a side view showing the embodiment, and FIG. 9 is an end view of the rotator fixing device of FIG. 8 as viewed from the large-diameter cylindrical portion side. The shape of '2 is different from that of the first embodiment. In FIGS. 8 and 9, parts having the same structure as the rotating body fixture 1 of the first embodiment are the same as in FIGS.
The numbers are the same as those in FIG.

【0034】本実施例においては、小径筒部4側から切
り込まれて大径筒部3’側へ侵入している第2のスリッ
トS’2の幅方向内側部分が大径筒部側軸孔中心を越え
る途中位置Tまで切り込まれているとともに、前記内側
部分の両外側部分は第2のスリットS’の切込み方向に
大径筒部3’外周面まで達している。
In this embodiment, the inner portion in the width direction of the second slit S'2 cut from the small-diameter tube portion 4 side and invading the large-diameter tube portion 3 'side is a large-diameter tube portion side shaft. It is cut to an intermediate position T beyond the center of the hole, and both outer portions of the inner portion reach the outer peripheral surface of the large-diameter cylindrical portion 3 'in the cutting direction of the second slit S'.

【0035】前述した第1実施例のものでは、図4に示
すようにスリットS2の両側と大径筒部3の外周面との
間でそれぞれ形成される角部Vの角度αが鋭角になり、
スリットS2の終端の厚み方向の隅の角度が略90度に
形成されることと複合されて、これらの角部Vに応力が
集中するが、本実施例においては、図9に示すように、
第2のスリットS’2の端と大径筒部3’の外周面との
間で形成される両側の角部V’の角度α’は鈍角とな
り、応力集中を緩和できるため、回転体固定具1’の強
度を高めることができる。
In the above-described first embodiment, the angle α of the corner V formed between both sides of the slit S2 and the outer peripheral surface of the large-diameter cylindrical portion 3 becomes an acute angle as shown in FIG. ,
Combining that the angle of the corner in the thickness direction at the end of the slit S2 is formed to be approximately 90 degrees, stress concentrates on these corners V. In this embodiment, as shown in FIG.
The angle α 'of the corner V' on both sides formed between the end of the second slit S'2 and the outer peripheral surface of the large-diameter cylindrical portion 3 'is obtuse, and stress concentration can be alleviated. The strength of the tool 1 'can be increased.

【0036】なお、この実施例では、前記途中位置Tま
で切り込まれている第2のスリットS’2の幅方向内側
部分の両側に生じる角部Wは略90度になっているが、
これらの角部Wを図9に仮想線Fで示すように面取りし
てもよい。
In this embodiment, the corners W formed on both sides of the widthwise inner portion of the second slit S'2 cut to the intermediate position T are substantially 90 degrees.
These corners W may be chamfered as shown by a virtual line F in FIG.

【0037】更に、図10は、本発明の回転体固定具の
第3実施例を示す側面図、図11は、図10の回転体固
定具を大径筒部側から見た端面図であって、本実施例の
回転体固定具1”は、第2のスリットS”2の形状が、
前述した各実施例のものと異なっており、また、大径筒
部3”側には、軸孔2に対して締付ボルト5が配置され
ている側と反対側の小径筒部4”の近傍において、大径
筒部3”外周面と軸孔2内周面とを連通する半径方向の
ネジ孔10が第1のスリットS1の中心面Nに対してそ
れぞれ両側に鋭角βをなすように対称的に形成されてい
る。
FIG. 10 is a side view showing a third embodiment of the rotating body fixing device of the present invention, and FIG. 11 is an end view of the rotating body fixing device of FIG. In this embodiment, the rotating body fixture 1 ″ has the shape of the second slit S ″ 2,
This is different from that of each of the above-described embodiments, and the large-diameter cylindrical portion 3 ″ has a small-diameter cylindrical portion 4 ″ opposite to the side on which the tightening bolt 5 is disposed with respect to the shaft hole 2. In the vicinity, the radial screw holes 10 communicating the outer peripheral surface of the large-diameter cylindrical portion 3 ″ and the inner peripheral surface of the shaft hole 2 form acute angles β on both sides with respect to the center plane N of the first slit S1. It is formed symmetrically.

【0038】これらの2つのネジ孔10の径は等しく、
また、第2のスリットS”2の間隔よりも大きい径に形
成されている。なお、図10及び図11中で、第1実施
例の回転体固定具1と同一構造の部分は、図1〜図4中
の番号と同一番号で示している。
The diameters of these two screw holes 10 are equal,
In addition, it is formed to have a diameter larger than the interval between the second slits S ″ 2. In FIGS. 10 and 11, the portions having the same structure as the rotating body fixture 1 of the first embodiment are the same as those in FIG. 4 to the same numbers as those in FIG.

【0039】本実施例の回転体固定具1”では、第2の
スリットS”2は、第1のスリットS1によって分割さ
れている2つの部分1”A,1”Bのそれぞれに対して
別々に切込み形成された2つのスリット部分から構成さ
れていて、それぞれ、小径筒部4”外周面の大径筒部
3”の締付ボルト5側に近い位置からネジ孔10の中心
軸線と直交する方向に切込まれて終端部がネジ孔10に
連通するように形成されている。
In the rotator fixing device 1 "of the present embodiment, the second slit S" 2 is separately provided for each of the two portions 1 "A, 1" B divided by the first slit S1. , And each of the slits is orthogonal to the central axis of the screw hole 10 from a position close to the tightening bolt 5 side of the small-diameter cylindrical portion 4 ″ on the outer peripheral surface of the large-diameter cylindrical portion 3 ″. It is formed so that it is cut in the direction and the terminal end communicates with the screw hole 10.

【0040】すなわち、この実施例の回転体固定具1”
では、第2のスリットS”2の各スリット部分は単一の
平面内に形成されておらず、これらのスリット部分の中
心面は、第1のスリットS1の中心面Nで互いに交差し
ている。
That is, the rotating body fixture 1 "of this embodiment.
In this case, the respective slit portions of the second slit S ″ 2 are not formed in a single plane, and the center planes of these slit portions intersect each other at the center plane N of the first slit S1. .

【0041】図12に示すように、それぞれのネジ孔1
0の内部には、2本の止ネジ11が螺合されている。こ
れらの止ネジ11はそれぞれ、大径筒部3”の外周側と
軸孔2の内周側から互いに反対向きにネジ孔10内に螺
入され、先端どうし当接した状態で締付け固定されてい
る。
As shown in FIG. 12, each screw hole 1
Two set screws 11 are screwed into the inside of 0. These set screws 11 are respectively screwed into the screw holes 10 in opposite directions from the outer peripheral side of the large-diameter cylindrical portion 3 ″ and the inner peripheral side of the shaft hole 2, and are fastened and fixed in a state where the tips are in contact with each other. I have.

【0042】本実施例では、第2のスリットS”2の終
端がその間隔よりも径が大きいネジ孔10に連続してい
るため、第2のスリット2”の終端への応力集中を緩和
することができるとともに、ネジ孔10内に螺合されて
いる止ネジ11が、第2のスリットS”2を挟んだ大径
筒部3”側と小径筒部4”側との間に生じるひずみeを
抑制してネジ孔10の段差を解消する働きをするため、
回転体固定具1”の強度と耐久性を高めることができ
る。
In this embodiment, since the end of the second slit S ″ 2 is continuous with the screw hole 10 having a diameter larger than the interval, the concentration of stress on the end of the second slit 2 ″ is reduced. And the set screw 11 screwed into the screw hole 10 causes the strain generated between the large-diameter cylindrical portion 3 "side and the small-diameter cylindrical portion 4" side sandwiching the second slit S "2. e to suppress the step of the screw hole 10 by suppressing e,
The strength and durability of the rotating body fixture 1 "can be increased.

【0043】なお、本実施例では、それぞれのネジ孔1
0に緩みを防ぐため2つずつ止ネジ11を用いている
が、締付ボルト5を締め付けたときには、ネジ孔10の
ネジ面が僅かに歪んで螺合されている止ネジ11の回転
が阻止されるため、ネジ孔10の全長に近い長さの止ネ
ジを一つだけ用いてもよい。
In this embodiment, each screw hole 1
Although two setscrews 11 are used to prevent loosening to zero, when the tightening bolt 5 is tightened, the screw surface of the screw hole 10 is slightly distorted and the set screw 11 that is screwed is prevented from rotating. Therefore, only one set screw having a length close to the entire length of the screw hole 10 may be used.

【0044】[0044]

【発明の効果】以上に説明したように、本発明の回転体
固定具は軸の両側に2つの部分に分解できるため、軸側
に嵌合されるインナーレースと回転体側に嵌合されるア
ウターレースのそれぞれの両側面間に楔合する一対のテ
ーパリングを、多数のボルトで軸方向から締め付けるよ
うにした従来の回転体固定具では不可能であった、両側
の径が中央部分の径よりも大きい軸の中央部分に対して
も回転体を固定することができる。
As described above, since the rotating body fixing device of the present invention can be disassembled into two parts on both sides of the shaft, the inner race fitted on the shaft side and the outer race fitted on the rotating body side. A pair of tapered rings that are wedge-fitted between the two sides of each race are not able to be tightened in the axial direction with a large number of bolts. The rotating body can also be fixed to the central portion of the larger shaft.

【0045】また、一方の締付ボルトを締め付けるだけ
で、広い受圧面積で軸と回転体とを強固に結合すること
ができるとともに、組付作業を迅速且つ容易に行うこと
ができ、しかも、軸に回転体を組み付ける作業を、軸の
側方から締付ボルトを締め付けて行うことができるた
め、軸方向の作業空間を必要とせず、狭い場所にも使用
することができる。
Further, by simply tightening one of the tightening bolts, the shaft and the rotating body can be firmly connected with a wide pressure receiving area, and the assembling operation can be performed quickly and easily. Since the work of assembling the rotating body can be performed by tightening the tightening bolts from the side of the shaft, the working space in the axial direction is not required, and it can be used even in a narrow place.

【0046】また、第2のスリットは、小径筒部側から
締付ボルトが装着される大径筒部側に傾斜させて切込み
形成して、その終端と大径筒部の外周面との間に形成さ
れる連続部の断面積を広くしたことにより、大きな強度
と耐久性が得られる。さらに、本発明の回転体固定具
は、部品点数が少なく構造が簡単で、製造が容易である
ため、製造コストを安くできる長所もある。
Further, the second slit is formed so as to be inclined from the small-diameter tube portion side to the large-diameter tube portion side on which the tightening bolt is mounted, and formed between the terminal end and the outer peripheral surface of the large-diameter tube portion. By increasing the cross-sectional area of the continuous portion formed on the substrate, large strength and durability can be obtained. Furthermore, since the rotating body fixing device of the present invention has a small number of parts, has a simple structure, and is easy to manufacture, there is an advantage that the manufacturing cost can be reduced.

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

【図1】 本発明の回転体固定具の第1実施例を示す斜
視図。
FIG. 1 is a perspective view showing a first embodiment of a rotating body fixture of the present invention.

【図2】 図1に示す回転体固定具の分解斜視図。FIG. 2 is an exploded perspective view of the rotating body fixture shown in FIG.

【図3】 図1に示す回転体固定具の側面図。FIG. 3 is a side view of the rotating body fixture shown in FIG. 1;

【図4】 図1に示す回転体固定具の大径筒部側から見
た端面図。
FIG. 4 is an end view of the rotating body fixture shown in FIG. 1 as viewed from a large-diameter cylindrical portion side.

【図5】 図1に示す回転体固定具によって軸に回転体
を締結した状態を示す図。
FIG. 5 is a diagram showing a state in which the rotating body is fastened to the shaft by the rotating body fixing tool shown in FIG. 1;

【図6】 図5のA−A線位置における矢印方向に見た
断面図。
6 is a cross-sectional view taken along the line AA in FIG.

【図7】 図5のB−B線位置における矢印方向に見た
断面図。
FIG. 7 is a sectional view taken along the line BB in FIG.

【図8】 本発明の回転体固定具の第2実施例を示す側
面図。
FIG. 8 is a side view showing a second embodiment of the rotating body fixture of the present invention.

【図9】 図8に示す回転体固定具の大径筒部側から見
た端面図。
9 is an end view of the rotator fixing device shown in FIG. 8 as viewed from the large-diameter cylindrical portion side.

【図10】 本発明の回転体固定具の第3実施例を示す
側面図。
FIG. 10 is a side view showing a third embodiment of the rotating body fixture of the present invention.

【図11】 図10に示す回転体固定具の大径筒部側か
ら見た端面図。
11 is an end view of the rotating body fixing device shown in FIG. 10 as viewed from the large-diameter cylindrical portion side.

【図12】 図11のC−C線位置における矢印方向に
見た部分断面図。
FIG. 12 is a partial cross-sectional view as viewed in the direction of the arrow at the position of line CC in FIG. 11;

【符号の説明】[Explanation of symbols]

1,1’,1” 回転体固定具 1A,1B,1’A,1’B,1”A,1”B 部分 2 軸孔 2A
面取り 3,3”,3” 大径筒部 4,
4” 小径筒部 5 締付ボルト 5A
頭部 6 ボルト挿通孔 7
切欠部 8 ネジ孔 9
座金 10 ネジ孔 11
止ネジ C1,C2 対向面 S1
第1のスリット S2 第2のスリット
1, 1 ', 1 "Rotating body fixture 1A, 1B, 1'A, 1'B, 1" A, 1 "B Part 2 Shaft hole 2A
Chamfer 3,3 ", 3" Large diameter cylinder 4,
4 "small-diameter tube part 5 Tightening bolt 5A
Head 6 Bolt insertion hole 7
Notch 8 Screw hole 9
Washer 10 Screw hole 11
Set screw C1, C2 Opposite surface S1
First slit S2 Second slit

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 軸に適合する軸孔が中心部を貫通して形
成され、弾性変形可能な略円筒状の外周面を有する大径
筒部と前記大径筒部より小径で且つ回転体の中心孔に適
合する前記軸孔と略同心の円筒状外周面を有する小径筒
部とが軸方向に連設されているとともに、前記軸孔を直
径方向に横断する第1のスリットによって大径筒部と小
径筒部とがそれぞれ2つの部分に分割され、 大径筒部の軸孔から偏った位置で第1のスリットを横断
する締付ボルトによって前記2つの部分どうしが締付け
及び分離可能に連結されているとともに、大径筒部の締
付ボルトが横断する側では第1のスリットの間隔が小径
筒部の同じ側よりも広く形成され、 小径筒部外周面の第1のスリットが開口し且つ大径筒部
の締付ボルト側に近い位置から第1のスリットと交差す
る方向で且つ途中から大径筒部へ侵入して軸孔中心を越
える位置まで第2のスリットが切込み形成されて第2ス
リットを挟んだ両側の部分が個別に弾性変形可能とされ
ていることを特徴とする回転体固定具。
1. A large-diameter cylindrical portion having a substantially cylindrical outer peripheral surface which is elastically deformable and has a smaller diameter than the large-diameter cylindrical portion. The shaft hole conforming to the center hole and a small-diameter tube portion having a substantially concentric cylindrical outer peripheral surface are connected in the axial direction, and the large-diameter tube is formed by a first slit diametrically crossing the shaft hole. And the small-diameter cylindrical portion are each divided into two portions, and the two portions are connected to each other by a tightening bolt crossing the first slit at a position deviated from the shaft hole of the large-diameter cylindrical portion so that the two portions can be tightened and separated. In addition, the gap between the first slits is formed wider on the side where the tightening bolt of the large diameter cylinder crosses than on the same side of the small diameter cylinder, and the first slit on the outer peripheral surface of the small diameter cylinder is opened. And a first slit from a position close to the tightening bolt side of the large-diameter cylindrical portion. A second slit is cut into the large-diameter cylindrical portion in the inserting direction and from the middle to a position beyond the center of the shaft hole, and both sides of the second slit are individually elastically deformable. A rotating body fixture characterized by the above-mentioned.
【請求項2】 第2のスリットの幅方向内側部分は大径
筒部内で軸孔中心を越えた途中位置まで切込まれている
とともに、前記内側部分の両外側は第2のスリットの切
込み方向に大径筒部外周面まで達していることを特徴と
する請求項1記載の回転体固定具。
2. A widthwise inner portion of the second slit is cut to a position midway beyond the center of the shaft hole in the large-diameter cylindrical portion, and both outer sides of the inner portion are cut by the second slit. 2. The rotating body fixing device according to claim 1, wherein the outer peripheral surface of the rotating member reaches the outer peripheral surface of the large-diameter cylindrical portion.
【請求項3】 軸に適合する軸孔が中心部を貫通して形
成され、弾性変形可能な略円筒状の外周面を有する大径
筒部と前記大径筒部より小径で且つ回転体の中心孔に適
合する前記軸孔と略同心の円筒状外周面を有する小径筒
部とが軸方向に連設されているとともに、前記軸孔を直
径方向に横断する第1のスリットによって大径筒部と小
径筒部とがそれぞれ2つの部分に分割され、 大径筒部の軸孔から偏った位置で第1のスリットを横断
する締付ボルトによって前記2つの部分どうしが締付け
及び分離可能に連結されているとともに、 大径筒部の締付ボルトが横断する側では第1のスリット
の間隔が小径筒部の同じ側よりも広く形成され、 大径筒部の軸孔に対する締付ボルト側と反対側で且つ小
径筒部近傍において、大径筒部外周面と軸孔内周面とを
半径方向に連通する一対のネジ孔が第1スリットの中心
面に対して両側に鋭角をなすように対称的に形成され、 第1のスリットで分割されている前記2つの部分のそれ
ぞれにおいて、小径筒部外周面の大径筒部の締付ボルト
側に近い位置からネジ孔の中心軸線と直交する方向に第
2のスリットが切込まれ、第2のスリットの終端部がネ
ジ孔内に連通するように形成されて第2スリットを挟ん
だ両側の部分が個別に弾性変形可能とされ、 前記一対のネジ孔の径は第2のスリットの間隔より大き
く形成されているとともに、これらのネジ孔内部に止ネ
ジが螺合されていることを特徴とする回転体固定具。
3. A large-diameter cylindrical portion having a substantially cylindrical outer peripheral surface capable of being elastically deformed and having a smaller diameter than the large-diameter cylindrical portion, wherein a shaft hole adapted to the shaft is formed through the central portion. The shaft hole conforming to the center hole and a small-diameter tube portion having a substantially concentric cylindrical outer peripheral surface are connected in the axial direction, and the large-diameter tube is formed by a first slit diametrically crossing the shaft hole. And the small-diameter cylindrical portion are each divided into two portions, and the two portions are connected to each other by a tightening bolt crossing the first slit at a position deviated from the shaft hole of the large-diameter cylindrical portion so that the two portions can be tightened and separated. On the side where the tightening bolt of the large-diameter cylinder crosses, the interval between the first slits is formed wider than the same side of the small-diameter cylinder, and the gap between the first slit and the tightening bolt with respect to the shaft hole of the large-diameter cylinder is formed. On the opposite side and in the vicinity of the small-diameter cylinder, the outer periphery of the large-diameter cylinder and the inner periphery of the shaft hole A pair of screw holes communicating radially with the surface are formed symmetrically so as to form acute angles on both sides with respect to the center plane of the first slit, and each of the two portions divided by the first slit In the above, a second slit is cut in a direction perpendicular to the center axis of the screw hole from a position close to the tightening bolt side of the large-diameter cylindrical portion on the outer peripheral surface of the small-diameter cylindrical portion, and the terminal end of the second slit has a screw hole. Are formed so as to communicate with each other, and the portions on both sides of the second slit are individually elastically deformable. The diameter of the pair of screw holes is formed to be larger than the interval between the second slits. Wherein a set screw is screwed into the inside of the screw hole.
JP9304397A 1997-11-06 1997-11-06 Rotor fixture Pending JPH11141563A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9304397A JPH11141563A (en) 1997-11-06 1997-11-06 Rotor fixture
IT98GE000091 IT1304387B1 (en) 1997-11-06 1998-11-04 FIXING DEVICE FOR ROTATING ELEMENTS.
DE1998151355 DE19851355A1 (en) 1997-11-06 1998-11-06 Fixture for rotary element, with shaft and sleeve elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9304397A JPH11141563A (en) 1997-11-06 1997-11-06 Rotor fixture

Publications (1)

Publication Number Publication Date
JPH11141563A true JPH11141563A (en) 1999-05-25

Family

ID=17932532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9304397A Pending JPH11141563A (en) 1997-11-06 1997-11-06 Rotor fixture

Country Status (3)

Country Link
JP (1) JPH11141563A (en)
DE (1) DE19851355A1 (en)
IT (1) IT1304387B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012081986A (en) * 2010-10-13 2012-04-26 Sanko Kikai Kk Movable longitudinal seal roll mechanism in roll type automatic packaging machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1715197A1 (en) * 2005-04-21 2006-10-25 Tecnoingranaggi Riduttori S.r.l. (con Unico Socio) Drive member with fastening device comprising two half-shells for coupling the member to an output shaft of a reduction gear
DE102022115716A1 (en) 2022-06-23 2023-12-28 Karl Storz Se & Co. Kg Adjusting device for adjusting optical components of an optical instrument and device arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012081986A (en) * 2010-10-13 2012-04-26 Sanko Kikai Kk Movable longitudinal seal roll mechanism in roll type automatic packaging machine

Also Published As

Publication number Publication date
IT1304387B1 (en) 2001-03-15
ITGE980091A1 (en) 2000-05-04
DE19851355A1 (en) 1999-05-27

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