JPS5910412Y2 - Gear coupling device - Google Patents

Gear coupling device

Info

Publication number
JPS5910412Y2
JPS5910412Y2 JP3176080U JP3176080U JPS5910412Y2 JP S5910412 Y2 JPS5910412 Y2 JP S5910412Y2 JP 3176080 U JP3176080 U JP 3176080U JP 3176080 U JP3176080 U JP 3176080U JP S5910412 Y2 JPS5910412 Y2 JP S5910412Y2
Authority
JP
Japan
Prior art keywords
gear
retainers
outer cylinder
side gear
seal receiving
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.)
Expired
Application number
JP3176080U
Other languages
Japanese (ja)
Other versions
JPS56134422U (en
Inventor
哲夫 笠谷
知之 高橋
好人 佐藤
充幸 村田
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP3176080U priority Critical patent/JPS5910412Y2/en
Publication of JPS56134422U publication Critical patent/JPS56134422U/ja
Application granted granted Critical
Publication of JPS5910412Y2 publication Critical patent/JPS5910412Y2/en
Expired legal-status Critical Current

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  • Sealing Devices (AREA)

Description

【考案の詳細な説明】 本考案は、可撓継手として大偏心量の吸収と限られたス
ペースで高トルクを伝達できるギヤカップリング装置に
関するもので、その目的とするところは、コンパクト化
が可能であり、またワークスペースの少ない場所での切
離しが可能であり、さらにはギヤカップリング装置の両
側部に介装するOリングに無理な力が作用せずこれの損
傷が防止されると共に、Oリングの圧縮率が、ギヤカッ
プリングの偏心量に影響されることなく安定したシール
性能を確保できるようにしたギヤカップリング装置を提
供することにある。
[Detailed description of the invention] This invention relates to a gear coupling device that can absorb large eccentricity and transmit high torque in a limited space as a flexible joint, and its purpose is to make it compact. In addition, it is possible to disconnect the O-rings in a place with limited work space, and furthermore, no excessive force is applied to the O-rings installed on both sides of the gear coupling device, preventing damage to the O-rings. It is an object of the present invention to provide a gear coupling device in which the compression ratio of a ring can ensure stable sealing performance without being affected by the amount of eccentricity of the gear coupling.

以下その構戒を図面に示した実施例に基づいて説明する
The structure will be explained below based on the embodiment shown in the drawings.

図中1は入力軸、2は出力軸で゛、これらにそれぞれ入
力側ギャ3、出力側ギャ4が固着してある。
In the figure, 1 is an input shaft, 2 is an output shaft, and an input side gear 3 and an output side gear 4 are fixed to these, respectively.

この両ギャ3,4の歯3a,4aは歯筋方向に凸状に彎
曲してある。
The teeth 3a, 4a of both gears 3, 4 are curved in a convex shape in the direction of the tooth trace.

5は内面に上記両ギャ3,4に噛合する内歯を有する外
筒であり、両ギャ3,4はこの外筒5にて偏心可能に接
続される。
Reference numeral 5 denotes an outer cylinder having internal teeth on its inner surface that mesh with the gears 3 and 4, and the gears 3 and 4 are eccentrically connected through the outer cylinder 5.

上記両ギャ3,4のそれぞれの歯3a,4aより軸方向
外側のボス部にそれぞれが逆向きにした傾斜したシール
受面6,7が形或してある。
The boss portions of the gears 3 and 4, which are axially outer than the respective teeth 3a and 4a, are formed with inclined seal receiving surfaces 6 and 7 that are oriented in opposite directions.

上記外筒5の両端部には上記各ギャ3,4のシール受面
6,7を囲繞するリテーナ8,9が固着してある。
Retainers 8 and 9 that surround the seal receiving surfaces 6 and 7 of the gears 3 and 4 are fixed to both ends of the outer cylinder 5.

リテーナ8,9の内面は第2図に示すように軸方向断面
形状で折り曲げ凹部8a,9aが形或されている。
As shown in FIG. 2, the inner surfaces of the retainers 8 and 9 have bent recesses 8a and 9a in an axial cross-sectional shape.

この折り曲げ角度α1,α2はシール受面6,7の傾斜
角βに対してα1〈β〈α2の関係にしてある。
The bending angles α1 and α2 have a relationship of α1<β<α2 with respect to the inclination angle β of the seal receiving surfaces 6 and 7.

上記各ギャ3,4のシール受面6,7とリテーナ8,9
の折り曲げ凹部8a,9aの間にOリング10, 11
が嵌合してある。
Seal receiving surfaces 6, 7 of each gear 3, 4 and retainers 8, 9
O-rings 10 and 11 are placed between the bent recesses 8a and 9a.
are fitted.

なおシール受面6,7は第3図に示すように大きな半径
Rの球面としてもよい。
Note that the seal receiving surfaces 6 and 7 may be spherical surfaces with a large radius R as shown in FIG.

上記構或において、入力軸1に入った入力は入力側ギャ
3、外筒5、出力側ギャ4、出力軸2に伝達される。
In the above structure, input into the input shaft 1 is transmitted to the input side gear 3, the outer cylinder 5, the output side gear 4, and the output shaft 2.

またOリング10,11の反発力にまり外筒5のフラツ
キおよび抜け出るのが防止される。
Further, the outer cylinder 5 is prevented from fluctuating and coming off due to the repulsive force of the O-rings 10 and 11.

上記人、出力軸1,2を分離するには、外筒5から一方
のリテーナをはずすことによりなされる。
The above-mentioned output shafts 1 and 2 can be separated by removing one retainer from the outer cylinder 5.

また上記入、出力軸1,2の軸心が傾斜すると各ギャ3
,4のシール受面6,7とリテーナ8,9の内面とが相
対向にずれるためOリング10,11も軸方向にずれる
Also, as stated above, if the axes of output shafts 1 and 2 are tilted, each gear 3
, 4 and the inner surfaces of the retainers 8, 9 are displaced from each other, so that the O-rings 10, 11 are also displaced in the axial direction.

このときのOリング10,11のずれと圧縮率とを示す
と第4図のようになる。
The displacement of the O-rings 10, 11 and the compression ratio at this time are shown in FIG.

図中A, BはOリング10.11のセット位置に対す
る変位量であり、CはこのときのOリング10,11の
圧縮率を示す。
In the figure, A and B indicate the amount of displacement of the O-rings 10 and 11 relative to the set position, and C indicates the compression ratio of the O-rings 10 and 11 at this time.

この図から明らかなようにOリング10,11がいずれ
の方向に変位してもその圧縮率は略一様に増加してシー
ル効果は減じない。
As is clear from this figure, no matter which direction the O-rings 10, 11 are displaced, their compression ratio increases almost uniformly and the sealing effect does not decrease.

なお図中Dはシール受面6,7とリテーナ8,9の相方
の面が平面状に傾斜している場合の圧縮率を示すもので
、この場合Oリング10,11の変位によってその圧縮
率が減してしまう。
Note that D in the figure indicates the compression ratio when the seal receiving surfaces 6, 7 and the mating surfaces of the retainers 8, 9 are inclined in a plane. will decrease.

本考案は以上のようになり、入力軸1および出力軸2の
それぞれの端部に設けた入力側ギャ3と出力側ギャ4の
両歯3a,4aを、内歯を有する外筒5にて偏心可能に
接続し、上記入力側ギャ3およひ゛出力側ギャ4のボス
部にそれぞれを逆向きに傾斜したシール受面6,7を形
威し、また外筒5の両端部に上記各シール受面6,7を
囲繞するノテーナ8,9を固着し、このリテーナ8,9
の内面を軸方向断面形状で凹状に形或し、このリテーナ
8,9と上記シール受面6,7の間にOリング10.1
1を介装してギヤカップリング装置を構戊したから、外
筒5はOリング10,11で軸方向に弾性的に支持され
、この外筒5のフラツキをばねを用いることなく防止さ
れ、装置全体をコンパク1・化が可能である。
The present invention is as described above, and the teeth 3a and 4a of the input side gear 3 and the output side gear 4 provided at the respective ends of the input shaft 1 and the output shaft 2 are connected by an outer cylinder 5 having internal teeth. The input side gear 3 and the output side gear 4 have seal receiving surfaces 6 and 7 that are inclined in opposite directions on the boss portions of the input side gear 3 and the output side gear 4, respectively. A nottainer 8,9 surrounding the surfaces 6,7 is fixed, and the retainer 8,9
An O-ring 10.1 is formed between the retainer 8, 9 and the seal receiving surfaces 6, 7.
1 is interposed to construct the gear coupling device, the outer cylinder 5 is elastically supported in the axial direction by the O-rings 10 and 11, and fluctuation of the outer cylinder 5 can be prevented without using a spring. The entire device can be made compact.

また入力軸1と出力軸2との分離は一方のリテーナを外
筒5からはずすだけでよく、ワークスペースの少ない場
所での切離しが可能である。
Further, the input shaft 1 and the output shaft 2 can be separated by simply removing one retainer from the outer cylinder 5, and separation can be performed in a place with little work space.

さらにOリング10.11の外側を押さえるリテーナ8
,9の内面を軸方向断面形状で凹状に形戊したことによ
り、Oリング10.11に無理な力が作用せずこれの損
傷が防止されると共に、Oリングの圧縮率が、ギヤカッ
プリングの偏心量に影響されることなく、安定したシー
ル性能を確保できる。
Furthermore, the retainer 8 that holds down the outside of the O-ring 10.11
, 9 has a concave shape in the axial cross-section, no excessive force is applied to the O-ring 10, 11, preventing damage to the O-ring 10, 11, and the compressibility of the O-ring is lower than that of the gear coupling. Stable sealing performance can be ensured without being affected by eccentricity.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本考案の実施例を示すもので、第1図は断面図、
第2図は要部の拡大断面図、第3図は他の実施例の要部
を示す拡大断面図、第4図はOリングの変位に対する圧
縮率を示す線図である。 1は入力軸、2は出力軸、3は入力側ギヤ、4は出力側
ギヤ、5は外筒、6,7はシール受面、8,9はリテー
ナ、10, 11はOリング。
The drawings show an embodiment of the present invention, and FIG. 1 is a sectional view;
FIG. 2 is an enlarged sectional view of the main part, FIG. 3 is an enlarged sectional view showing the main part of another embodiment, and FIG. 4 is a diagram showing the compression ratio with respect to the displacement of the O-ring. 1 is an input shaft, 2 is an output shaft, 3 is an input side gear, 4 is an output side gear, 5 is an outer cylinder, 6 and 7 are seal receiving surfaces, 8 and 9 are retainers, and 10 and 11 are O-rings.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 人力軸1および出力軸2のそれぞれの端部に設けた入力
側ギャ3と出力側ギャ4の両歯3a,4aを、内歯を有
する外筒5にて偏心可能に接続し、上記人力側ギャ3お
よび出力側ギャ4のボス部にそれぞれ逆向きに傾斜した
シール受面6,7を形或し、また外筒5の両端部に上記
各シール受面6,7を囲繞するリテーナ8,9を固着し
、このリテーナ8,9の内面を軸方向断面形状で凹状に
形或し、このリテーナ8,9と上記シール受面6,7の
間にOリング10, 11を介装したことを特徴とする
ギヤカップリング装置。
Both the teeth 3a and 4a of the input side gear 3 and the output side gear 4 provided at the respective ends of the human power shaft 1 and the output shaft 2 are eccentrically connected by an outer cylinder 5 having internal teeth, and the human power side The boss portions of the gear 3 and the output side gear 4 are formed with seal receiving surfaces 6, 7 that are inclined in opposite directions, respectively, and retainers 8, which surround the respective seal receiving surfaces 6, 7 are provided at both ends of the outer cylinder 5. 9, the inner surfaces of the retainers 8 and 9 are shaped concave in the axial cross-section, and O-rings 10 and 11 are interposed between the retainers 8 and 9 and the seal receiving surfaces 6 and 7. A gear coupling device featuring:
JP3176080U 1980-03-13 1980-03-13 Gear coupling device Expired JPS5910412Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3176080U JPS5910412Y2 (en) 1980-03-13 1980-03-13 Gear coupling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3176080U JPS5910412Y2 (en) 1980-03-13 1980-03-13 Gear coupling device

Publications (2)

Publication Number Publication Date
JPS56134422U JPS56134422U (en) 1981-10-12
JPS5910412Y2 true JPS5910412Y2 (en) 1984-04-02

Family

ID=29627602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3176080U Expired JPS5910412Y2 (en) 1980-03-13 1980-03-13 Gear coupling device

Country Status (1)

Country Link
JP (1) JPS5910412Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4997471B2 (en) * 2006-12-28 2012-08-08 株式会社ジェイテクト Grinding wheel mounting device

Also Published As

Publication number Publication date
JPS56134422U (en) 1981-10-12

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