JPH09105420A - Propeller shaft - Google Patents
Propeller shaftInfo
- Publication number
- JPH09105420A JPH09105420A JP26290795A JP26290795A JPH09105420A JP H09105420 A JPH09105420 A JP H09105420A JP 26290795 A JP26290795 A JP 26290795A JP 26290795 A JP26290795 A JP 26290795A JP H09105420 A JPH09105420 A JP H09105420A
- Authority
- JP
- Japan
- Prior art keywords
- spline
- propeller shaft
- tooth
- shaft
- toothless
- 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.)
- Granted
Links
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 238000007755 gap coating Methods 0.000 claims description 19
- 239000004519 grease Substances 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、互いに嵌合するス
プラインシャフト及びスプラインスリーブを有し、スプ
ラインスリーブの内面に樹脂コーティングを施したプロ
ペラシャフトに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a propeller shaft having a spline shaft and a spline sleeve which are fitted to each other, and a resin coating is applied to the inner surface of the spline sleeve.
【０００２】[0002]
【従来の技術】従来の摺動自在のプロペラシャフトにお
いては、負荷がかかった状態での回転動作時に、スライ
ド抵抗を低減しかつ耐摩耗性を向上するため、スプライ
ンシャフトの外面又はスプラインスリーブの内面に全面
的に樹脂コーティングを施している。2. Description of the Related Art A conventional slidable propeller shaft has a spline shaft outer surface or an inner surface of a spline sleeve in order to reduce sliding resistance and improve wear resistance during rotational operation under load. The entire surface is resin coated.
【０００３】[0003]
【発明が解決しようとする課題】しかし、従来の樹脂コ
ーティングした摺動自在のプロペラシャフトは、スプラ
インシャフトとスプラインスリーブとの間に回転方向の
若干のクリアランス（バックラッシュ）が存在する。こ
のため無負荷状態での回転動作時に、このバックラッシ
ュに起因して回転方向にガタを生じ、騒音や摩耗の原因
となっていた。However, in the conventional resin-coated slidable propeller shaft, there is some clearance (backlash) in the rotational direction between the spline shaft and the spline sleeve. For this reason, at the time of rotating operation in a no-load state, this backlash causes play in the rotating direction, which causes noise and wear.
【０００４】従って、本発明の目的は、負荷がかかった
状態での動作でスライド抵抗を低減しかつ耐摩耗性を向
上するとともに、無負荷状態での回転動作時の回転方向
ガタを排除することができるプロペラシャフトを得るに
ある。Therefore, an object of the present invention is to reduce the slide resistance and improve the wear resistance in the operation under load, and to eliminate the play in the rotational direction during the rotation operation under no load. To get a propeller shaft that can
【０００５】[0005]
【課題を解決するための手段】この目的を達成するた
め、本発明プロペラシャフトは、スプラインスリーブの
互いにほぼ等間隔離れた少なくとも２個の内方突出歯を
除去して欠歯部分を設け、これら欠歯部分に嵌合するス
プラインシャフトの歯との間の回転方向のクリアランス
を排除するよう厚さを増大した填隙コーティング部を前
記欠歯部分に設けたことを特徴とする。To achieve this object, the propeller shaft of the present invention is provided with a toothless portion by removing at least two inwardly projecting teeth of the spline sleeve that are substantially equidistant from each other. It is characterized in that a gap coating portion having an increased thickness is provided in the toothless portion so as to eliminate a rotational clearance between the tooth and the tooth of the spline shaft fitted in the toothless portion.
【０００６】[0006]
【発明の実施の形態】本発明プロペラシャフトの実施に
あたり、前記欠歯部分の両側の窪み側面に、他のコーテ
ィング部分よりも厚さを増大した填隙コーティング部を
設ける。このとき、前記欠歯部分における一方の窪み側
面に他方の窪み側面よりも厚さを増大した填隙コーティ
ング部を窪み側面の全面にわたり又は部分的にわたって
設けるとよい。BEST MODE FOR CARRYING OUT THE INVENTION In carrying out the propeller shaft of the present invention, gap coating portions having a thickness greater than those of other coating portions are provided on the recessed side surfaces on both sides of the toothless portion. At this time, a gap coating portion having a thickness larger than that of the other recess side surface may be provided on one recess side surface of the toothless portion over the whole or a part of the recess side surface.
【０００７】本発明プロペラシャフトの実施にあたり、
前記スプラインシャフト及びスプラインスリーブのスプ
ライン大径面を摺動接触金属面とし、スプラインシャフ
トの大径面を除くスプラインシャフトの外面又はスプラ
インスリーブの大径面を除くスプラインスリーブの内面
のいずれか一方に樹脂コーティングを施すとよい。In carrying out the propeller shaft of the present invention,
The spline large diameter surface of the spline shaft and the spline sleeve is a sliding contact metal surface, and a resin is provided on either the outer surface of the spline shaft excluding the large diameter surface of the spline shaft or the inner surface of the spline sleeve other than the large diameter surface of the spline sleeve. It is good to apply a coating.
【０００８】この実施の形態の他に、前記欠歯部分の大
径面の中央に、スプラインシャフトの歯のピッチに相当
する範囲にわたって大径面の他の部分よりも厚さを増大
した填隙コーティング部を設けてもよい。In addition to this embodiment, in the center of the large diameter surface of the toothless portion, a gap having a thickness larger than that of the other portions of the large diameter surface over a range corresponding to the tooth pitch of the spline shaft. You may provide a coating part.
【０００９】[0009]
【実施例】次に、図面につき本発明の好適な実施例を説
明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings.
【００１０】図１は、本発明によるプロペラシャフト１
の実施例を示し、スプラインシャフト２を有するシャフ
ト部材と、このスプラインシャフト２に嵌合するスプラ
インスリーブ３を有するシャフト部材とにより構成し、
各シャフト部材の端部にはそれぞれユニバーサルジョイ
ント４を設ける。FIG. 1 shows a propeller shaft 1 according to the present invention.
Of the embodiment, a shaft member having a spline shaft 2 and a shaft member having a spline sleeve 3 fitted to the spline shaft 2,
A universal joint 4 is provided at each end of each shaft member.
【００１１】本発明によれば、スプラインスリーブ３の
内面に樹脂コーティング５を施したプロペラシャフト１
において、スプラインスリーブ３の互いに等間隔離れた
少なくとも２個の内方突出歯を除去して少なくとも２個
の欠歯部分６を設け、この欠歯部分６に嵌合するスプラ
インシャフト２の少なくとも２個の歯２ａとの間の回転
方向のクリアランスを排除するよう厚さを増大した填隙
コーティング部７を欠歯部分６に設ける。According to the present invention, the propeller shaft 1 having the resin coating 5 on the inner surface of the spline sleeve 3 is used.
In, at least two inwardly projecting teeth of the spline sleeve 3 that are equally spaced apart from each other are removed to provide at least two toothless portions 6, and at least two of the spline shafts 2 that fit into these toothless portions 6 The tooth gap portion 6 is provided with a gap coating portion 7 having an increased thickness so as to eliminate the clearance in the rotational direction between the tooth 2a and the tooth 2a.
【００１２】図２は、欠歯部分６の両側の窪み側面に、
他の樹脂コーティング部分５よりも厚さを増大した填隙
コーティング部７を設けた（図２の（ａ）参照）実施例
を示す。図２の（ｂ）は、欠歯部分６以外のスプライン
嵌合部分の拡大部分横断面を示す。FIG. 2 shows the side surfaces of the recesses on both sides of the toothless portion 6,
An example in which the gap coating portion 7 having a thickness larger than that of the other resin coating portion 5 is provided (see FIG. 2A) will be shown. FIG. 2B shows an enlarged partial cross section of the spline fitting portion other than the toothless portion 6.
【００１３】図２の（ｂ）に示すように、欠歯部分６以
外のスプライン嵌合部分では、スプラインシャフトの歯
２ａの両側に、スプラインスリーブ３の窪み側面との間
にクリアランス（バックラッシュ）が存在するが、これ
ら欠歯部分６以外のスプライン嵌合部分にバックラッシ
ュが存在しても、スプラインスリーブ欠歯部分６におけ
るスプラインシャフトの２個の歯２ａの互いに背反する
側面との間は、填隙コーティング部７でバックラッシュ
が存在しないので、無負荷状態での回転動作時のスプラ
インシャフトとスプラインスリーブとの間の回転ガタを
抑止することができる。As shown in FIG. 2B, in the spline fitting portion other than the toothless portion 6, a clearance (backlash) is formed between both sides of the tooth 2a of the spline shaft and the recessed side surface of the spline sleeve 3. However, even if there is backlash in the spline fitting portion other than the toothless portion 6, between the opposite sides of the two teeth 2a of the spline shaft in the spline sleeve toothless portion 6, Since there is no backlash in the gap filling portion 7, it is possible to prevent the rotation play between the spline shaft and the spline sleeve during the rotation operation in the unloaded state.
【００１４】図３は、欠歯部分６の対の互いに直径方向
に対向する一方の窪み側面６ａを他方の窪み側面６ｂよ
りも厚さを増大した（Ｔ＋Ａ）填隙コーティング部７を
設けた実施例を示す。この場合、欠歯部分６以外のスプ
ライン嵌合部分では、スプラインシャフトの歯２ａの一
方の側面側のみにクリアランス（バックラッシュ）が存
在する。しかし、これら欠歯部分６以外のスプライン嵌
合部分にバックラッシュが存在しても、スプラインスリ
ーブ欠歯部分６におけるスプラインシャフトの２個の歯
２ａの互いに背反する側面との間は、填隙コーティング
部７及び反対側の通常の厚さＴの樹脂コーティング部分
５でクリアランスが埋められてバックラッシュが存在し
ないので、無負荷状態での回転動作時のスプラインシャ
フトとスプラインスリーブとの間の回転ガタを抑止する
ことができる。FIG. 3 shows an embodiment in which a gap coating portion 7 is provided in which one recess side surface 6a of the pair of toothless portions 6 which is diametrically opposed to each other is made thicker than the other recess side surface 6b (T + A). Here is an example: In this case, in the spline fitting portion other than the toothless portion 6, there is a clearance (backlash) only on one side surface side of the tooth 2a of the spline shaft. However, even if there is backlash in the spline fitting portion other than the toothless portion 6, the gap coating is performed between the two opposite sides of the two teeth 2a of the spline shaft in the spline sleeve toothless portion 6. Since the clearance is filled with the portion 7 and the resin coating portion 5 having the normal thickness T on the opposite side, and there is no backlash, the rotation play between the spline shaft and the spline sleeve during the rotation operation in the unloaded state is prevented. Can be deterred.
【００１５】図４（ａ）は、スプラインスリーブ３の欠
歯部分６において、一方の窪み側面に全体的に厚さを増
大した填隙コーティング部７を設けた実施例、図４
（ｂ）は、スプラインスリーブ３の欠歯部分６におい
て、一方の窪み側面に部分的に厚さを増大した填隙コー
ティング部７を設け実施例を示す。FIG. 4 (a) shows an embodiment in which a gap coating portion 7 having an overall increased thickness is provided on the side surface of one recess in the toothless portion 6 of the spline sleeve 3, FIG.
(B) shows an embodiment in which a gap coating portion 7 having a partially increased thickness is provided on one side surface of the recess in the toothless portion 6 of the spline sleeve 3.
【００１６】図５は、スプラインスリーブ３の欠歯部分
６の大径面の中央に、スプラインシャフト２の歯２ａの
ピッチに相当する範囲にわたって大径面の他の部分より
も厚さを増大した填隙コーティング部７を設けた実施例
を示す。この実施例の場合、スプラインスリーブ３の欠
歯部分６に嵌合するスプラインシャフトの２個の歯２ａ
の互いに背反する側面との間、及び欠歯部分６以外のス
プライン嵌合部分におけるスプラインシャフトの歯２ａ
の両側の側面との間にバックラッシュが存在しても、欠
歯部分６の大径面の中央の填隙コーティング部７の存在
によってバックラッシュが排除されるため、無負荷状態
での回転動作時のスプラインシャフトとスプラインスリ
ーブとの間の回転ガタを抑止することができる。In FIG. 5, the thickness is increased in the center of the large diameter surface of the toothless portion 6 of the spline sleeve 3 over the range corresponding to the pitch of the teeth 2a of the spline shaft 2 as compared with the other portions of the large diameter surface. An example in which the gap coating section 7 is provided will be shown. In the case of this embodiment, the two teeth 2a of the spline shaft that fit into the toothless portion 6 of the spline sleeve 3
Teeth 2a of the spline shaft between the opposite side surfaces of the spline and in the spline fitting portion other than the toothless portion 6.
Even if there is a backlash between both side surfaces of the tooth, the backlash is eliminated due to the presence of the gap coating portion 7 in the center of the large diameter surface of the toothless portion 6, so that the rotation operation in the unloaded state Rotational play between the spline shaft and the spline sleeve at the time can be suppressed.
【００１７】[0017]
【発明の効果】本発明プロペラシャフトによれば、スプ
ラインスリーブの互いに等間隔離れた少なくとも２個の
内方突出歯を除去して欠歯部分を設け、この欠歯部分に
嵌合するスプラインシャフトの歯との間の回転方向のク
リアランスを排除するよう厚さを増大した填隙コーティ
ング部を欠歯部分に設けたため、欠歯部分以外のスプラ
インシャフトとスプラインスリーブとのスプライン嵌合
部分におけるバックラッシュが排除され、無負荷状態で
の回転動作時のスプラインシャフトとスプラインスリー
ブとの間の回転ガタを抑止することができ、回転ガタに
よる騒音及び摩耗を防止することができる。According to the propeller shaft of the present invention, at least two inwardly projecting teeth of the spline sleeve that are equally spaced apart from each other are removed to provide a toothless portion, and a spline shaft fitted to the toothless portion is provided. Since a gap coating part with an increased thickness is provided in the toothless part to eliminate the clearance in the direction of rotation with the tooth, backlash at the spline fitting part between the spline shaft and the spline sleeve other than the toothless part is eliminated. It is possible to prevent rotation play between the spline shaft and the spline sleeve during rotation operation under no load condition, and to prevent noise and wear due to rotation play.
【００１８】更に、本発明プロペラシャフトによれば、
欠歯部分は大量のグリースを沈めておくグリース溜めを
なすため、プロペラシャフトの摩耗を防止し、寿命を増
大することができるという利点もある。Further, according to the propeller shaft of the present invention,
Since the toothless portion forms a grease reservoir for sinking a large amount of grease, it also has an advantage that the wear of the propeller shaft can be prevented and the life can be extended.
【図１】本発明による摺動自在のプロペラシャフトの側
面図である。FIG. 1 is a side view of a slidable propeller shaft according to the present invention.
【図２】本発明プロペラシャフトの第１実施例を示し、
（ａ）はスプライン嵌合部分の横断面、（ｂ）は（ａ）
の欠歯部分以外のスプライン嵌合部分の拡大部分横断面
図である。FIG. 2 shows a first embodiment of the propeller shaft of the present invention,
(A) is a cross section of the spline fitting part, (b) is (a)
FIG. 7 is an enlarged partial transverse sectional view of a spline fitting portion other than the toothless portion of FIG.
【図３】本発明摺動自在のプロペラシャフトの第２実施
例のスプライン嵌合部分の横断面図である。FIG. 3 is a transverse sectional view of a spline fitting portion of a second embodiment of the slidable propeller shaft of the present invention.
【図４】（ａ）は、欠歯部分の窪み側面の一方に全面的
に填隙コーティングを設けた拡大部分横断面図であり、
（ｂ）は欠歯部分の窪み側面の一方に部分的に填隙コー
ティングを設けた拡大部分横断面図である。FIG. 4 (a) is an enlarged partial cross-sectional view in which a gap filling coating is entirely provided on one of the concave side surfaces of the toothless portion,
(B) is an enlarged partial transverse sectional view in which a gap coating is partially provided on one of the recessed side surfaces of the toothless portion.
【図５】本発明プロペラシャフトの更に他の実施例を示
し、（ａ）はスプライン嵌合部分の横断面、（ｂ）は
（ａ）の欠歯部分のスプライン嵌合部分の拡大部分横断
面図である。5A and 5B show still another embodiment of the propeller shaft of the present invention, wherein FIG. 5A is a cross section of a spline fitting portion, and FIG. 5B is an enlarged partial cross section of a spline fitting portion of the toothless portion of FIG. It is a figure.
１ プロペラシャフト ２ スプラインシャフト ３ スプラインスリーブ ４ ユニバーサルジョイント ５ 樹脂コーティング ６ 欠歯部分 ７ 填隙コーティング部 1 Propeller shaft 2 Spline shaft 3 Spline sleeve 4 Universal joint 5 Resin coating 6 Partial tooth portion 7 Gap coating part
Claims (6)
プラインスリーブを有し、スプラインスリーブの内面に
樹脂コーティングを施したプロペラシャフトにおいて、
スプラインスリーブの互いにほぼ等間隔離れた少なくと
も２個の内方突出歯を除去して欠歯部分を設け、これら
欠歯部分に嵌合するスプラインシャフトの歯との間の回
転方向のクリアランスを排除するよう厚さを増大した填
隙コーティング部を前記欠歯部分に設けたことを特徴と
するプロペラシャフト。1. A propeller shaft having a spline shaft and a spline sleeve which are fitted to each other, and a resin coating on the inner surface of the spline sleeve,
At least two inwardly projecting teeth of the spline sleeve that are approximately equidistant from each other are removed to provide a toothless portion, and a rotational clearance between the tooth and the tooth of the spline shaft that fits in the toothless portion is eliminated. The propeller shaft is characterized in that a gap coating portion having an increased thickness is provided on the toothless portion.
ーティング部分よりも厚さを増大した填隙コーティング
部を設けた請求項１記載のプロペラシャフト。2. The propeller shaft according to claim 1, wherein gap-filling coating portions having a thickness greater than that of other coating portions are provided on the recessed side surfaces on both sides of the toothless portion.
方の窪み側面よりも厚さを増大した填隙コーティング部
を設けた請求項１記載のプロペラシャフト。3. The propeller shaft according to claim 1, wherein a gap coating portion having a thickness greater than that of the other recess side surface is provided on one recess side surface of the toothless portion.
した填隙コーティング部を設けた請求項３記載のプロペ
ラシャフト。4. The propeller shaft according to claim 3, wherein a gap coating portion having an increased thickness is provided on the side surface of the one recess.
した填隙コーティング部を設けた請求項３記載のプロペ
ラシャフト。5. The propeller shaft according to claim 3, wherein a gap coating portion having a partially increased thickness is provided on a side surface of the one recess.
ンシャフトの歯のピッチに相当する範囲にわたって大径
面の他の部分よりも厚さを増大した填隙コーティング部
を設けた請求項１記載のプロペラシャフト。6. A gap coating portion having a thickness larger than that of the other portion of the large diameter surface over a range corresponding to the pitch of the teeth of the spline shaft is provided at the center of the large diameter surface of the toothless portion. Item 1. The propeller shaft according to Item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26290795A JP3768569B2 (en) | 1995-10-11 | 1995-10-11 | Propeller shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26290795A JP3768569B2 (en) | 1995-10-11 | 1995-10-11 | Propeller shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09105420A true JPH09105420A (en) | 1997-04-22 |
| JP3768569B2 JP3768569B2 (en) | 2006-04-19 |
Family
ID=17382270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26290795A Expired - Fee Related JP3768569B2 (en) | 1995-10-11 | 1995-10-11 | Propeller shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3768569B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013500053A (en) * | 2009-07-24 | 2013-01-07 | ナイキ インターナショナル リミテッド | Removable and replaceable connection for golf club head and shaft |
| CN105620738A (en) * | 2016-01-05 | 2016-06-01 | 中国航空动力机械研究所 | Reducer connecting structure for helicopter and helicopter with same |
| JP2016109226A (en) * | 2014-12-08 | 2016-06-20 | 株式会社デンソー | Rotary actuator |
-
1995
- 1995-10-11 JP JP26290795A patent/JP3768569B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013500053A (en) * | 2009-07-24 | 2013-01-07 | ナイキ インターナショナル リミテッド | Removable and replaceable connection for golf club head and shaft |
| JP2016109226A (en) * | 2014-12-08 | 2016-06-20 | 株式会社デンソー | Rotary actuator |
| CN105620738A (en) * | 2016-01-05 | 2016-06-01 | 中国航空动力机械研究所 | Reducer connecting structure for helicopter and helicopter with same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3768569B2 (en) | 2006-04-19 |
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