JPH02199321A - Universal coupling - Google Patents
Universal couplingInfo
- Publication number
- JPH02199321A JPH02199321A JP1501489A JP1501489A JPH02199321A JP H02199321 A JPH02199321 A JP H02199321A JP 1501489 A JP1501489 A JP 1501489A JP 1501489 A JP1501489 A JP 1501489A JP H02199321 A JPH02199321 A JP H02199321A
- Authority
- JP
- Japan
- Prior art keywords
- driving force
- rotating shaft
- universal joint
- slide guide
- guide groove
- 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 abstract description 4
- 238000010168 coupling process Methods 0.000 title abstract description 4
- 238000005859 coupling reaction Methods 0.000 title abstract description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000009189 diving Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/36—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected in which each pivot between the coupling parts and the intermediate member comprises a single ball
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は自在軸継手に関し、特にＮ４造簡単且つ組立て
容易で低コスト化が可能な自在軸継手に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a universal shaft joint, and more particularly to a universal shaft joint that is simple in N4 construction, easy to assemble, and can be manufactured at low cost.
〔従来の技術及び発明が解決しようとする課題〕従来、
自在軸継手は原動軸と従動軸とが角度（継手角）をなす
各種回転駆動力伝達機構において広く利用されている。[Problems to be solved by conventional techniques and inventions] Conventionally,
Universal joints are widely used in various rotational drive force transmission mechanisms in which a driving shaft and a driven shaft form an angle (joint angle).
この様な継手の代表的なものとしていわゆるフック型の
自在軸継手がある。A typical example of such a joint is a so-called hook-type universal joint.
しかし、フック型の継手は原動軸端部と従動軸端部との
間に駆動力伝達のための十字形の部材を配置し、該駆動
力伝達部材の一方の対向する２箇所の端部な軸受構造に
より原動軸端部に接続しｎつ他方の対向する２箇所の端
部な軸受構造により従動輪端部に接続しており、結局４
つの軸受構造が必要となる。従って、構造が複雑で組立
てが面倒でコスト高であるという難点があった。However, hook-type joints have a cross-shaped member for transmitting driving force arranged between the end of the driving shaft and the end of the driven shaft, and two opposite ends of one of the driving force transmitting members. One is connected to the end of the driving shaft by a bearing structure, and the other is connected to the end of the driven wheel by a bearing structure at two opposing ends.
Two bearing structures are required. Therefore, the structure is complicated, the assembly is troublesome, and the cost is high.
そこで、本発明は、上記従来技術の問題点に鑑み、構造
が簡単で組立てが容易で低コスト化が可能な自在軸継手
を提供することを目的とするものである。SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, it is an object of the present invention to provide a universal shaft joint that has a simple structure, is easy to assemble, and can be manufactured at low cost.
［課題を解決するための手段］
本発明によれば、以−Ｆの如き目的は、第１の回転軸と
第２の回転軸とを接続する自在軸継手において、第１の
回転軸の端部にはそ回転中心を含む面内にて該回転中心
方向と直交する方向のまわりに円弧状に延びている駆動
力伝達駒用スライドガイド溝が設けられおり、第２の回
転軸の端部にはその回転中心方向を横切る或る方向に該
方向と上記第２の回転軸回転中心方向との交点に関し対
称の位置に１対の駆動力伝達駒保持部が設けられており
、該駆動力伝達駒保持部と上記スライドガイド溝との間
には該溝に対しスライド可能且つ該スライドガイド溝及
び／または−Ｆ記駆動力伝達駒保持部に対し上記或る方
向のまわりに回動可能に１対の駆動力伝達駒が介在して
いることを特徴とする。自在軸継手。[Means for Solving the Problems] According to the present invention, the following object is to provide a universal joint that connects a first rotating shaft and a second rotating shaft. A slide guide groove for the driving force transmission piece is provided in the end portion of the second rotating shaft and extends in an arc shape in a plane including the rotation center in a direction perpendicular to the direction of the rotation center. is provided with a pair of driving force transmitting piece holding parts in a certain direction transverse to the direction of the rotation center thereof, at symmetrical positions with respect to the intersection between the direction and the direction of the rotation center of the second rotating shaft, and Between the transmission piece holding part and the slide guide groove, the part is slidable in the groove and rotatable around the certain direction with respect to the slide guide groove and/or the -F driving force transmission piece holding part. It is characterized by a pair of driving force transmission pieces interposed therebetween. Universal joint.
により達成される。This is achieved by
本発明においては、第１の回転軸端部がリング形状をな
しており、その内周面にスライドガイド溝が形成されて
いるものとすることができ、更に第２の回転軸端部が第
１の回転軸のリング形状端部に対し一方の側から該リン
グ形状内側へと延びているものとすることができる。In the present invention, the first rotary shaft end may have a ring shape, and a slide guide groove may be formed on the inner peripheral surface thereof, and the second rotary shaft end may have a ring shape. The ring-shaped end portion of the first rotating shaft may extend from one side toward the inside of the ring-shaped end portion.
また、本発明においては、第２の回転軸端部がリング形
状をなしており、その内周面に駆動力伝達駒保持部が形
成されているものとすることができ、更に第１の回転軸
端部が第２の回転軸のリング形状端部に対し一方の側か
ら該リング形状内側へと延びているものとすることがで
きる。Further, in the present invention, the end of the second rotating shaft may have a ring shape, and the driving force transmitting piece holding portion may be formed on the inner circumferential surface of the second rotating shaft end. The shaft end may extend from one side of the ring-shaped end of the second rotating shaft into the ring-shaped end.
また１本発明においては、駆動力伝達駒がボールである
ものとすることができる。Further, in one aspect of the present invention, the driving force transmission piece may be a ball.
［実施例］
以下１図面を参照しながら本発明の具体的実施例を説明
する。[Example] A specific example of the present invention will be described below with reference to one drawing.
第１図は本発明による自在軸継手の第１の実施例を示す
概略分解斜視図であり、第２図はその非分解状態の概略
部分断面図である。FIG. 1 is a schematic exploded perspective view showing a first embodiment of a universal joint according to the present invention, and FIG. 2 is a schematic partial sectional view of the same in an undisassembled state.
これらの図において、２は原動軸であり、２′はその回
転中心である。また、４は従動軸であり、４゛はその回
転中心である。これら原動軸２と従動軸４と；ま互いに
一端部が対向し口つ回転中心２′、４’が合致する様に
配置されている。In these figures, 2 is the driving shaft and 2' is its center of rotation. Further, 4 is a driven shaft, and 4' is its rotation center. The driving shaft 2 and the driven shaft 4 are arranged such that one end thereof faces each other and their rotation centers 2' and 4' coincide with each other.
原動軸２の先端１こは端部部材６が固定されている。該
端部部材はｘ−ｚ面に沿って偏平な形状であり、ｘ−ｚ
面にて分割された２つの部分６ａ。An end member 6 is fixed to one end of the driving shaft 2. The end member has a flat shape along the x-z plane, and
Two parts 6a divided by a plane.
６ｂからなり１部分６ａが原動軸２に対し固着されてお
り、部分６ｂが部分６ａに対しビス止めにより着脱可能
に取付けられている。該端部部材６はｙ方向のまわりに
リング状の形状をなしており、その内周面に駆動力伝達
駒たるボール１２ａ、＋２ｂのためのスライドガイド溝
７がリング状に延びて形成されている。該溝７は部分６
ａ。6b, one portion 6a is fixed to the driving shaft 2, and the portion 6b is removably attached to the portion 6a with screws. The end member 6 has a ring shape around the y direction, and a slide guide groove 7 for the balls 12a and +2b, which are driving force transmission pieces, is formed in the inner peripheral surface of the end member 6 and extends in a ring shape. There is. The groove 7 is part 6
a.
６ｂにそれぞれ均等に形成された溝半部７ａ、７ｂから
なり、第２図に示されている様に該満７の断面はボール
１２ａ、１２ｂの外形に対応する形状である。The groove half portions 7a and 7b are formed equally in each half of the groove 6b, and as shown in FIG. 2, the cross section of the groove half portion 7a has a shape corresponding to the outer shape of the balls 12a and 12b.
従動軸４の端部にはアーム８が固定されており、該アー
ムの先端には球状体ＩＯが固定されている。該球状体は
上記原動軸２のリング形状端部部材６の内側に配置され
ている。Ｐは該球状体ｌ０の中心であり、原動軸回転中
心２′及び従動輪回転中心４′は常にＰを通る様になっ
ている。そして、該球状体１０にはＺ方向の両端部に１
対の駆動力伝達駒たるボール１２ａ、１２ｂのための保
持部１１ａ、ｌｌｂが形成されている。該ボール保持部
は第２図に示されている様に上記ボール＋２ａ、＋２ｂ
の外形に対応する形状の凹球面塵である。尚、上記アー
ム８は原動軸側端部部材６の部分６ａ側から球状体１０
に接続されている。An arm 8 is fixed to the end of the driven shaft 4, and a spherical body IO is fixed to the tip of the arm. The spherical body is arranged inside the ring-shaped end member 6 of the driving shaft 2. P is the center of the spherical body 10, and the driving shaft rotation center 2' and the driven wheel rotation center 4' always pass through P. The spherical body 10 has 1 at both ends in the Z direction.
Holding portions 11a and llb are formed for balls 12a and 12b, which are a pair of driving force transmission pieces. The ball holding portion holds the balls +2a and +2b as shown in FIG.
It is a concave spherical dust whose shape corresponds to the outer shape of . The arm 8 is connected to the spherical body 10 from the portion 6a side of the end member 6 on the driving shaft side.
It is connected to the.
また、該球状体の直径は」−記リング状端部部材６の開
口の内径よりもわずかに小さく形成されている。Further, the diameter of the spherical body is slightly smaller than the inner diameter of the opening of the ring-shaped end member 6.
上記ボール保持部１１ａ、ｌｌｂにはそれぞれ駆動力伝
達駒たるボールＩ２ａ、＋２ｂが収容されており、該ボ
ールはＬ記スライドガイド満７にも適合されている。従
って、これらボール１２ａ、＋２ｂは該溝７内をｙ方向
のまわりにスライドまたは転勤可能である。また、ボー
ル１２ａ。Balls I2a and +2b, which are driving force transmission pieces, are accommodated in the ball holding portions 11a and 11b, respectively, and these balls are also adapted to the L slide guide 7. Therefore, these balls 12a, +2b can slide or move within the groove 7 around the y direction. Also, the ball 12a.
１２ ｂはスライドガイド溝７及びボール保持部ｌＩａ
、ｌｌｂに対しＺ軸方向のまわりに回動可能である。12b is the slide guide groove 7 and the ball holding part lIa
, llb around the Z-axis direction.
以」二により原動軸２と従動軸４とは球状体１０の中心
Ｐを通る２つの方向のまわりに関し独立に相対的に回動
自在とされており、かくして自在軸継手の機能が発揮さ
れる。As a result of the above, the driving shaft 2 and the driven shaft 4 are independently and relatively rotatable about two directions passing through the center P of the spherical body 10, and thus the function of a universal joint is exhibited. .
第３図は第１図の状態から従動軸４をＺ方向のまわりに
角度αだけ回転させ史にｘ−ｙ面内方向のまわりに角度
βだけ回転させた状態を示す概略斜視図である。FIG. 3 is a schematic perspective view showing a state in which the driven shaft 4 is rotated by an angle α around the Z direction from the state shown in FIG. 1, and then rotated by an angle β around the x-y plane direction.
本実施例において、原動軸２が回転すると、その回転力
は端部部材６．ボール＋２ａ、＋２ｂ、球状体１０及び
アーム８を経て従動軸４へと伝達される。In this embodiment, when the driving shaft 2 rotates, the rotational force is applied to the end member 6. The signal is transmitted to the driven shaft 4 via the balls +2a, +2b, the spherical body 10, and the arm 8.
以上の様な本実施例の継手は、第１図に示されている様
に、端部部材部分６ａから端部部材部分６ｂを取外した
状態にて部分６ｂ側から球状体１０を挿入し、次いで該
球状体のボール保持部１１ａ、Ｉｌｂ内にそれぞれボー
ル＋２ａ、１２ｂを収容し、しかる後に部分６ｂを部分
６ａに対し固定することにより、極めて容易に組立てる
ことができる。As shown in FIG. 1, in the joint of this embodiment as described above, with the end member portion 6b removed from the end member portion 6a, the spherical body 10 is inserted from the portion 6b side. Next, the balls +2a and 12b are accommodated in the ball holding portions 11a and Ilb of the spherical body, respectively, and then the portion 6b is fixed to the portion 6a, thereby making assembly extremely easy.
第４図は本発明による自在軸継手の第２の実施例を示す
概略分解斜視図である。本図において。FIG. 4 is a schematic exploded perspective view showing a second embodiment of the universal joint according to the present invention. In this figure.
上記第１の実施例と同様の部材には同〜の符号が付され
ている。The same members as in the first embodiment are designated by the same reference numerals.
本実施例においては、原動軸側のリング形状の端部部材
６の内周面のＺ方向対向位置に１対のボール保持部たる
球面座が形成されている。一方の球面座は部分６ａに形
成された球面座半部７ｃｌと部分６ｂに形成された球面
座半部７ｃｍ２（図示されていない）とからなり、同様
に他方の球面座は部分６ａに形成された球面座半部７ｄ
−１と部分６ｂに形成された球面座半部７ｄ−２（図示
されていない）とからなる、また１球状体１０には外周
面にｙ方向のまわりにリング状に延びているスライドガ
イド溝１１ｃが形成されている。In this embodiment, a pair of spherical seats serving as ball holding portions are formed on the inner peripheral surface of the ring-shaped end member 6 on the drive shaft side at opposing positions in the Z direction. One spherical seat consists of a spherical seat half 7cl formed in the portion 6a and a spherical seat half 7cm2 (not shown) formed in the portion 6b, and similarly, the other spherical seat is formed in the portion 6a. Spherical seat half 7d
-1 and a spherical seat half 7d-2 (not shown) formed on the portion 6b, and the spherical body 10 has a slide guide groove extending in a ring shape around the y direction on the outer peripheral surface of the spherical body 10. 11c is formed.
本実施例は上記第１の実施例に対してスライドガイド溝
と球面座とが逆の部材に形成されているものに相当する
。本実施例も上記第１の実施例と同様の作用をなすこと
は明らかである。This embodiment corresponds to the first embodiment described above, in which the slide guide groove and the spherical seat are formed on opposite members. It is clear that this embodiment also functions in the same way as the first embodiment.
以ｌ−の様な２つの本発明実施例では原動軸側の端部部
材６がリング形状をなしているので、該部材の強度が十
分に高（、このため該部材を細くしても十分な駆動力伝
達が可能であり、軽量化が可能である。但し、本発明で
は、上記軽量化が格別必要ないならば、端部部材６はリ
ング状でなく先端が切断された形状でもよい。In the two embodiments of the present invention as shown in l- below, the end member 6 on the drive shaft side has a ring shape, so the strength of this member is sufficiently high (for this reason, even if the member is made thin, the end member 6 is ring-shaped). However, in the present invention, if the above-mentioned weight reduction is not particularly necessary, the end member 6 may have a shape with a cut off tip instead of a ring shape.
また、以上の様な２つの本発明実施例では球状体１０が
１つのアーム８によりいわゆる片持ちされており、構造
が簡単であり且つ軽量化が可能である。Furthermore, in the two embodiments of the present invention as described above, the spherical body 10 is so-called cantilevered by one arm 8, so that the structure is simple and the weight can be reduced.
以上の様な本実施例の自在軸継手は、比較的小さな駆動
力の伝達に極めて有効に適用される。The universal joint of this embodiment as described above is extremely effectively applied to transmitting a relatively small driving force.
尚、上記実施例において、原動軸と従動輪とを逆にして
も同様の効果が得られることは明らかである。It is clear that the same effect can be obtained even if the driving shaft and the driven wheel are reversed in the above embodiment.
「発明の効果Ｊ
以」二の様な本発明によれば、構造が簡単で組立てが容
易で低コスト化が可能な自在軸継手が提供される６According to the present invention as described in "Effects of the Invention J" (2), a universal shaft joint is provided that has a simple structure, is easy to assemble, and can be manufactured at low cost.
第１図は本発明による自在軸継手の第１の実施例を示す
概略分解斜視図であり、第２図はその非分解状態の概略
部分断面図である。
第３図は第１図の状態から従動軸４をＺ方向のまわりに
角度αだけ回転させ更にｘ−ｙ面内方向のまわりに角度
βだけ回転させた状態を示す概略斜視図である。
第４図は本発明による自在軸継手の第２の実施例を示す
概略分解斜視図である。
第
図
２：原動軸、 ２′ ：原動軸回転中心、４：従動
軸、 ４゛ ：従動輪回転中心、６：端部部材、
７：スライドガイド溝、８：アーム、 １０：
球状体、
１１ａ、ｌｌｂ：ボール保持部、
１２ａ、１２ｂ：ポール。
手続補正
特許庁長官 吉 Ｆｉｌ 文 殺ｌ 事件の
表示
特願平１−１５０１４号
２ 発明の名称
自在軸継手
３ 補正をする者
事件との関係 特許出願人
名称 株式会社 ケイセブン
４ 代理人
ｐ↑
平成
６ 補正の内容
（１）明細書の特許請求の範囲を別紙の通り訂正する。
（２）明細書第４頁３行目の「そ回転」を「その回転」
と訂正する。
（３）明細書第４頁４行目の「回転中心方向と直交する
」を「回転中心方向を横切る」と訂正する。
（４）明ＩＢ書第６頁下１行目の「内側に配置されてい
る。」を［内側に形成された凹球面部により該球面部に
対し摺動回転自在に保持されて位置決めされている。」
と訂正する。
（５）明細書第７頁９行目の「６ａ」を「６ｂ」と訂正
する。
（６）明細書第７頁１０〜１２行目の「また、該球状体
・やＣ・形成されている。」を削除する。
（７）明細書第９頁１行目の「できる、」を「できる、
尚、上記球状体１０の挿入に際しては端部部材部分６ｂ
を加熱して膨張させリング内径を球状体１０の直径より
もわずかに大きくした後に球状体を挿入し、しかる後に
端部部材部分６ｂを冷却して収縮させる。」と訂正する
。
（８）明細書第１０頁１２行目と１３行目との間に以下
の文を挿入する。
「第５図は本発明による自在軸継手の第３の実施例を示
す概略分解斜視図である。本図において、上記第１の実
施例と同様の部材には同一の符号が付されている。
本実施例においては、従動軸４の端部に従動軸回転中心
４′に関し対称的なアーム８が固定されており、該アー
ムの両方の先端にはそれぞれロッド９の各端が着脱可能
に取付けられている。該ロッドの中央には球状体１０が
固定されている。
本実施例は、球状体ｌＯが片持ちではなく両持ちである
点のみ上記第１の実施例と異なる。」（９）明細書第１
１頁１２行目と１３行目との間に以下の文を挿入する。
「第５図は本発明による自在軸継手の第３の実施例を示
す概略分解斜視図である。」
（１０）第２図を別紙の通り訂正する。
（１１）別紙の第５図を特徴する
特許請求の範囲：
（１）第１の回転軸と第２の回転軸とを接続する自在軸
継手におい、て、ｆ５１の回転軸の端部には±Ｑ回転中
心を含む面内にて該回転中心方向を姓舅盃方向のまわり
に円弧状に延びている駆動力伝達駒用スライドガイド溝
が設けられおり、第２の回転軸の端部にはその回転中心
方向を横切る或る方向に該方向と上記第２の回転軸回転
中心方向との交点に関し対称の位とに１対の駆動力伝達
駒保持部が設けられており、該駆動力伝達駒保持部と上
記スライドガイド溝との間には該溝に対しスライド可能
且つ該スライドガイド溝及び／または上記駆動力伝達駒
保持部に対し上記或る方向のまわりに＠勤可鋤に１対の
ｇＡ駆動力伝達駒介在していることを特徴とする、自在
軸継手。
（２）第１の回転軸端部がリング形状をなしており、そ
の内周面にスライドガイド溝が形成されている、請求項
１に記載の自在軸継手。
（３）第２の回転軸端部が第１の回転軸のリング形状端
部に対し一方の側から該リング形状内側ヘト延びている
。請求項２に記載の自在軸継手・（４）第２の回転軸端
部がリング形状をなしており、その内周面に駆動力伝達
駒保持部が形成されている、請求項１に記載の自在軸継
手。
（５）第１の回転軸端部が第２の回転軸のリング形状端
部に対し一方の側から該リング形状内側へと延びている
。請求項４に記載の自在軸継手。
（６）駆動力伝達駒がボールである、請求項１に記載の
自在軸継手。
ｂ
第
図FIG. 1 is a schematic exploded perspective view showing a first embodiment of a universal joint according to the present invention, and FIG. 2 is a schematic partial sectional view of the same in an undisassembled state. FIG. 3 is a schematic perspective view showing a state in which the driven shaft 4 is rotated by an angle α around the Z direction from the state shown in FIG. FIG. 4 is a schematic exploded perspective view showing a second embodiment of the universal joint according to the present invention. Figure 2: Driving shaft, 2': Driving shaft rotation center, 4: Driven shaft, 4゛: Driven wheel rotation center, 6: End member,
7: Slide guide groove, 8: Arm, 10:
Spherical body, 11a, llb: ball holding part, 12a, 12b: pole. Procedural amendment Commissioner of the Japan Patent Office Yoshi Fil Text Indication of the case Patent application No. 1-15014 2 Name of the invention Universal shaft coupling 3 Person making the amendment Relationship with the case Patent applicant name K-Seven 4 Co., Ltd. Agent p↑ 1994 Contents of amendment (1) The scope of claims in the specification is corrected as shown in the attached sheet. (2) "That rotation" on page 4, line 3 of the specification is "that rotation"
I am corrected. (3) In the fourth line of page 4 of the specification, "perpendicular to the rotation center direction" is corrected to "cross the rotation center direction." (4) Mei IB, page 6, bottom 1st line, "located inside." is defined as "positioned by being slidably and rotatably held relative to the spherical part by the concave spherical part formed inside." There is. ”
I am corrected. (5) "6a" on page 7, line 9 of the specification is corrected to "6b". (6) Delete "Also, the spherical bodies are formed." from lines 10 to 12 on page 7 of the specification. (7) Change “dekiru” in line 1 of page 9 of the specification to “dekiru,”
Note that when inserting the spherical body 10, the end member portion 6b
The ring is heated and expanded to make the inner diameter of the ring slightly larger than the diameter of the spherical body 10, and then the spherical body is inserted, and then the end member portion 6b is cooled and contracted. ” he corrected. (8) Insert the following sentence between lines 12 and 13 on page 10 of the specification. 5 is a schematic exploded perspective view showing a third embodiment of the universal joint according to the present invention. In this figure, the same members as in the first embodiment are designated by the same reference numerals. In this embodiment, an arm 8 symmetrical with respect to the driven shaft rotation center 4' is fixed to the end of the driven shaft 4, and each end of a rod 9 is detachably attached to each end of the arm. A spherical body 10 is fixed to the center of the rod. This embodiment differs from the first embodiment only in that the spherical body 10 is not cantilevered but supported on both sides. 9) Specification No. 1
Insert the following sentence between the 12th and 13th lines of page 1. ``Figure 5 is a schematic exploded perspective view showing a third embodiment of the universal joint according to the present invention.'' (10) Figure 2 is corrected as shown in the attached sheet. (11) Claims characterized by FIG. 5 of the attached sheet: (1) In the universal joint connecting the first rotating shaft and the second rotating shaft, at the end of the rotating shaft of f51, A slide guide groove for the driving force transmission piece is provided in a plane including the ±Q rotation center and extends in an arc shape in the direction of the rotation center in the direction of the front and rear cups, and at the end of the second rotation shaft. is provided with a pair of driving force transmitting piece holding parts in a certain direction that crosses the direction of the rotation center thereof, and symmetrically with respect to the intersection between the direction and the direction of the rotation center of the second rotating shaft, and Between the transmission piece holding part and the slide guide groove, there is a part that can be slid in the groove and can be moved around the certain direction with respect to the slide guide groove and/or the driving force transmission piece holding part. A universal joint characterized in that a pair of gA driving force transmission pieces are interposed. (2) The universal joint according to claim 1, wherein the first rotating shaft end has a ring shape, and a slide guide groove is formed on the inner circumferential surface of the first rotating shaft end. (3) The second rotating shaft end extends from one side toward the ring-shaped end of the first rotating shaft. The universal joint according to claim 2 (4) according to claim 1, wherein the second rotary shaft end portion has a ring shape, and a driving force transmission piece holding portion is formed on the inner circumferential surface thereof. Universal joint. (5) The first rotating shaft end extends from one side toward the ring-shaped end of the second rotating shaft. The universal joint according to claim 4. (6) The universal joint according to claim 1, wherein the driving force transmission piece is a ball. b Figure
Claims (6)
継手において、第１の回転軸の端部にはそ回転中心を含
む面内にて該回転中心方向と直交する方向のまわりに円
弧状に延びている駆動力伝達駒用スライドガイド溝が設
けられおり、第２の回転軸の端部にはその回転中心方向
を横切る或る方向に該方向と上記第２の回転軸回転中心
方向との交点に関し対称の位置に１対の駆動力伝達駒保
持部が設けられており、該駆動力伝達駒保持部と上記ス
ライドガイド溝との間には該溝に対しスライド可能且つ
該スライドガイド溝及び／または上記駆動力伝達駒保持
部に対し上記或る方向のまわりに回動可能に１対の駆動
力伝達駒が介在していることを特徴とする、自在軸継手
。(1) In a universal joint that connects a first rotating shaft and a second rotating shaft, the end of the first rotating shaft is attached in a direction perpendicular to the direction of the rotational center within a plane that includes the rotational center. A slide guide groove for the driving force transmission piece is provided extending in an arc shape around the second rotating shaft, and the end of the second rotating shaft is provided with a slide guide groove for the driving force transmitting piece extending in an arc shape. A pair of driving force transmission piece holding parts are provided at symmetrical positions with respect to the intersection with the shaft rotation center direction, and the driving force transmission piece holding part and the slide guide groove are slidable in the groove. A universal joint characterized in that a pair of driving force transmitting pieces are interposed in the slide guide groove and/or the driving force transmitting piece holding part so as to be rotatable around the certain direction.
の内周面にスライドガイド溝が形成されている、請求項
１に記載の自在軸継手。(2) The universal joint according to claim 1, wherein the first rotating shaft end has a ring shape, and a slide guide groove is formed on the inner circumferential surface of the first rotating shaft end.
部に対し一方の側から該リング形状内側へと延びている
、請求項２に記載の自在軸継手。(3) The universal joint according to claim 2, wherein the second rotary shaft end extends from one side toward the ring-shaped end of the first rotary shaft.
の内周面に駆動力伝達駒保持部が形成されている、請求
項１に記載の自在軸継手。(4) The universal joint according to claim 1, wherein the second rotary shaft end has a ring shape, and the driving force transmission piece holding portion is formed on the inner circumferential surface of the second rotary shaft end.
部に対し一方の側から該リング形状内側へと延びている
、請求項４に記載の自在軸継手。(5) The universal joint according to claim 4, wherein the first rotating shaft end extends from one side toward the ring-shaped end of the second rotating shaft.
自在軸継手。(6) The universal joint according to claim 1, wherein the driving force transmission piece is a ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1501489A JPH02199321A (en) | 1989-01-26 | 1989-01-26 | Universal coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1501489A JPH02199321A (en) | 1989-01-26 | 1989-01-26 | Universal coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02199321A true JPH02199321A (en) | 1990-08-07 |
Family
ID=11877023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1501489A Pending JPH02199321A (en) | 1989-01-26 | 1989-01-26 | Universal coupling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02199321A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3071289A1 (en) * | 2017-09-19 | 2019-03-22 | Eaton Intelligent Power Limited | CARDAN SEAL AND METHOD |
-
1989
- 1989-01-26 JP JP1501489A patent/JPH02199321A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3071289A1 (en) * | 2017-09-19 | 2019-03-22 | Eaton Intelligent Power Limited | CARDAN SEAL AND METHOD |
| US11873925B2 (en) | 2017-09-19 | 2024-01-16 | Eaton Intelligent Power Limited | Gimbal joint and method |
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