JPH08226454A - Propeller shaft - Google Patents
Propeller shaftInfo
- Publication number
- JPH08226454A JPH08226454A JP7033466A JP3346695A JPH08226454A JP H08226454 A JPH08226454 A JP H08226454A JP 7033466 A JP7033466 A JP 7033466A JP 3346695 A JP3346695 A JP 3346695A JP H08226454 A JPH08226454 A JP H08226454A
- Authority
- JP
- Japan
- Prior art keywords
- spline
- shaft
- propeller shaft
- diameter
- shape member
- 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
- 230000035939 shock Effects 0.000 description 5
- 230000007704 transition Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 1
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は車両のプロペラシャフ
ト、即ち、互いにスプライン嵌合する雌形部材と雄形部
材とを有する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 vehicle propeller shaft, that is, a propeller shaft having a female member and a male member that are spline-fitted to each other.
【０００２】[0002]
【従来の技術】従来のプロペラシャフトは、確実にトル
クを伝達することを主目的としていたため、中空パイプ
により雌形スプラインを形成する場合も、スプライン部
分とシャフト部分との間をストレートに連結するか又は
ほぼ滑らかに移行する遷移部しか設けなかった。2. Description of the Related Art A conventional propeller shaft has a main purpose of reliably transmitting torque. Therefore, even when a female spline is formed by a hollow pipe, the spline portion and the shaft portion are directly connected. Alternatively, only a transition portion that transitions almost smoothly was provided.
【０００３】[0003]
【発明が解決しようとする課題】本発明の目的は、車両
が前後方向の強い衝撃を受けた場合に衝撃を吸収するよ
う軸線方向の変形若しくは破断することができるプロペ
ラシャフトを得るにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a propeller shaft which can be deformed or broken in the axial direction so as to absorb a shock when a vehicle receives a strong shock in the front-rear direction.
【０００４】[0004]
【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、少なくとも雌形部材を
中空パイプにより構成し、この雌形部材のヨーク側のシ
ャフト部分の直径をスプライン部分の大径部の直径より
も大きくしてスプライン部分とシャフト部分との間に段
差部分を生ずるようにしたことを特徴とする。To achieve this object, in the propeller shaft of the present invention, at least the female member is constituted by a hollow pipe, and the diameter of the shaft portion of the female member on the yoke side is larger than that of the spline portion. It is characterized in that it is made larger than the diameter of the diameter portion so that a step portion is formed between the spline portion and the shaft portion.
【０００５】[0005]
【作用】本発明プロペラシャフトのこの構成によれば、
車両が強い前後方向の衝撃を受けた場合、雌形部材の段
差部分で軸線方向の変形若しくは破断して衝撃を和らげ
る。According to this structure of the propeller shaft of the present invention,
When the vehicle receives a strong front-back impact, the stepped portion of the female member deforms or breaks in the axial direction to soften the impact.
【０００６】[0006]
【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。The preferred embodiments of the present invention will now be described with reference to the drawings.
【０００７】図１は、本発明によるプロペラシャフト１
の第１の実施例を示し、雌形部材２に雄形部材３が相互
にスプライン部分２ａ，３ａでスプライン嵌合し、軸線
方向に相対摺動可能に一方の部材のヨーク４から他方の
部材のヨーク４にトルクを伝達する。FIG. 1 shows a propeller shaft 1 according to the present invention.
In the first embodiment, the male member 3 is spline-fitted to the female member 2 at the spline portions 2a, 3a so that the male member 3 is slidably movable in the axial direction from the yoke 4 of one member to the other member. Torque is transmitted to the yoke 4.
【０００８】図１の実施例では、雌形部材を、スプライ
ン部分２ａとシャフト部分２ｂを一体に形成するよう中
空パイプから形成し、本発明によれば、雌形部材２のス
プライン部分２ａの大径部の直径よりもシャフト部分２
ｂの直径を大きくし、両者間に段差部分２ｃを生ずるよ
うに雌形部材２を形成する。In the embodiment of FIG. 1, the female member is formed from a hollow pipe so as to integrally form the spline portion 2a and the shaft portion 2b. According to the present invention, the spline portion 2a of the female member 2 is enlarged. Shaft part 2 than the diameter of the diameter part
The female member 2 is formed so that the diameter of b is increased and a step portion 2c is formed between them.
【０００９】好適な実施例においては、図２の（ａ）の
拡大図に示すように段差部分２ｃの肉厚Ｔ1 をシャフト
部分２ｂの肉厚Ｔ2 よりも小さく、例えば、 Ｔ1 ／Ｔ2 ≦０．９ の関係となるように形成する。In the preferred embodiment, as shown in the enlarged view of FIG. 2A, the wall thickness T 1 of the step portion 2c is smaller than the wall thickness T 2 of the shaft portion 2b, for example, T 1 / T It is formed so as to have a relationship of 2 ≦ 0.9.
【００１０】更に、他の好適な実施例においては、図２
の（ｂ）に示すようにスプライン部分の基端部の内側コ
ーナーが前記シャフト部分の先端部の内側コーナーより
も僅かにシャフト部分の内方に変位した形状にする。Further, in another preferred embodiment, FIG.
(B), the inner corner of the base end portion of the spline portion is slightly inwardly displaced from the inner corner of the tip portion of the shaft portion.
【００１１】図３には、雌形部材２を、２個の中空パイ
プ２Ａ，２Ｂの突き合わせ溶接により形成した実施例を
示し、スプライン部分２ａを形成する中空パイプ２Ａの
基端側領域に、シャフト部分２ｂの先端部分と段差部分
２ｃとを設ける。この段差部分２ｃは、やはり図２の
（ａ）、（ｂ）のように形成する。FIG. 3 shows an embodiment in which the female member 2 is formed by butt welding two hollow pipes 2A and 2B, and the shaft is provided in the proximal end region of the hollow pipe 2A forming the spline portion 2a. A tip portion of the portion 2b and a step portion 2c are provided. The step portion 2c is also formed as shown in FIGS. 2 (a) and 2 (b).
【００１２】図２及び図３の（ａ）に示すプロペラシャ
フトは、通常の動作ではトルクを伝達する際きねじり負
荷に対しては十分な強度を示すが、前後方向に強い衝撃
が加わったとき、図２及び図３の（ｂ）に示すように、
段差部分２ｃで軸線方向の変形若しくは破断し、この軸
線方向の変形若しくは破断の際に衝撃を吸収する。The propeller shaft shown in FIGS. 2 and 3 (a) exhibits sufficient strength against a torsional load when transmitting torque in normal operation, but when a strong shock is applied in the front-rear direction. , As shown in FIGS. 2 and 3 (b),
The step portion 2c deforms or breaks in the axial direction, and the shock is absorbed when the deformation or break in the axial direction occurs.
【００１３】[0013]
【発明の効果】本発明によれば、雌形部材を中空パイプ
により構成し、スプライン部分とシャフト部分との間に
段差部分を形成したため、プロペラシャフトの前後方向
に強い衝撃が加わったときこの段差部分が軸線方向の変
形若しくは破断して衝撃を吸収することができる。According to the present invention, the female member is formed of a hollow pipe and a step portion is formed between the spline portion and the shaft portion. Therefore, when a strong impact is applied in the front-rear direction of the propeller shaft, this step difference is formed. The part can deform or break in the axial direction to absorb the shock.
【図１】本発明によるプロペラシャフトの第１の実施例
を示し、（ａ）は通常の使用状態の一部断面とする側面
図、（ｂ）はプロペラシャフトの前後方向に強い衝撃荷
重が加わり段差部分が軸線方向の変形若しくは破断した
状態を示す一部断面とする側面図である。1A and 1B show a first embodiment of a propeller shaft according to the present invention, FIG. 1A is a side view showing a partial cross section of a normal use state, and FIG. 1B is a front and rear direction of a propeller shaft to which a strong impact load is applied. It is a side view which is a partial cross section showing a state in which a step portion is deformed or broken in the axial direction.
【図２】本発明によるプロペラシャフトの段差部分の部
分拡大断面図である。FIG. 2 is a partially enlarged sectional view of a stepped portion of a propeller shaft according to the present invention.
【図３】本発明によるプロペラシャフトの第２の実施例
を示し、（ａ）は通常の使用状態の一部断面とする側面
図、（ｂ）はプロペラシャフトの前後方向に強い衝撃荷
重が加わり段差部分が軸線方向の変形若しくは破断した
状態を示す一部断面とする側面図である。FIG. 3 shows a second embodiment of a propeller shaft according to the present invention, (a) is a side view showing a partial cross section of a normal use state, and (b) is a case where a strong impact load is applied in the front-rear direction of the propeller shaft. It is a side view which is a partial cross section showing a state in which a step portion is deformed or broken in the axial direction.
１ プロペラシャフト ２ 雌形部材 2A,2B 中空パイプ 2a,3a スプライン部分 2b シャフト部分 2c 段差部分 ３ 雄形部材 ４ ヨーク 1 Propeller shaft 2 Female member 2A, 2B Hollow pipe 2a, 3a Spline part 2b Shaft part 2c Step part 3 Male member 4 Yoke
Claims (4)
形部材とを有するプロペラシャフトにおいて、少なくと
も雌形部材を中空パイプにより構成し、この雌形部材の
ヨーク側のシャフト部分の直径をスプライン部分の大径
部の直径よりも大きくしてスプライン部分とシャフト部
分との間に段差部分を生ずるようにしたことを特徴とす
るプロペラシャフト。1. A propeller shaft having a female member and a male member that are spline-fitted to each other, wherein at least the female member is formed by a hollow pipe, and the diameter of the shaft portion on the yoke side of the female member is set to the spline portion. The propeller shaft is characterized in that the stepped portion is formed between the spline portion and the shaft portion by making the diameter larger than the diameter of the large diameter portion.
の肉厚Ｔ2 よりも小さくした請求項１記載のプロペラシ
ャフト。2. The propeller shaft according to claim 1, wherein the wall thickness T 1 of the step portion is smaller than the wall thickness T 2 of the shaft portion.
の肉厚Ｔ2 とが Ｔ1 ／Ｔ2 ≦０．９ の関係となるように形成した請求項２記載のプロペラシ
ャフト。Wherein the propeller shaft according to claim 2, wherein the thickness T 2 of the wall thickness T 1 and the shaft portion of the stepped portion is formed to have a relation of T 1 / T 2 ≦ 0.9.
ナーが前記シャフト部分の先端部の内側コーナーよりも
僅かにシャフト部分の内方に変位した形状にした請求項
１乃至３のうちのいずれか一項に記載のプロペラシャフ
ト。4. The shape according to claim 1, wherein the inner corner of the base end portion of the spline portion is displaced slightly inward of the shaft portion from the inner corner of the tip end portion of the shaft portion. The propeller shaft according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03346695A JP3583493B2 (en) | 1995-02-22 | 1995-02-22 | Propeller shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03346695A JP3583493B2 (en) | 1995-02-22 | 1995-02-22 | Propeller shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08226454A true JPH08226454A (en) | 1996-09-03 |
| JP3583493B2 JP3583493B2 (en) | 2004-11-04 |
Family
ID=12387333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03346695A Expired - Fee Related JP3583493B2 (en) | 1995-02-22 | 1995-02-22 | Propeller shaft |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3583493B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1040954A2 (en) | 1999-03-30 | 2000-10-04 | Fuji Jukogyo Kabushiki Kaisha | Propeller shaft for automobile |
| KR100471314B1 (en) * | 2001-12-13 | 2005-03-08 | 기아자동차주식회사 | Automobile propeller shaft with a structure for absorbing a shock along with axial direction |
| JP2006132628A (en) * | 2004-11-04 | 2006-05-25 | Jidosha Buhin Kogyo Co Ltd | Propeller shaft |
| JP2016130535A (en) * | 2015-01-13 | 2016-07-21 | Ntn株式会社 | Constant velocity universal joint |
-
1995
- 1995-02-22 JP JP03346695A patent/JP3583493B2/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1040954A2 (en) | 1999-03-30 | 2000-10-04 | Fuji Jukogyo Kabushiki Kaisha | Propeller shaft for automobile |
| US6328656B1 (en) | 1999-03-30 | 2001-12-11 | Fuji Jukogyo Kabushiki Kaisha | Propeller shaft for automobile |
| KR100471314B1 (en) * | 2001-12-13 | 2005-03-08 | 기아자동차주식회사 | Automobile propeller shaft with a structure for absorbing a shock along with axial direction |
| JP2006132628A (en) * | 2004-11-04 | 2006-05-25 | Jidosha Buhin Kogyo Co Ltd | Propeller shaft |
| JP2016130535A (en) * | 2015-01-13 | 2016-07-21 | Ntn株式会社 | Constant velocity universal joint |
| WO2016114049A1 (en) * | 2015-01-13 | 2016-07-21 | Ntn株式会社 | Constant velocity universal joint |
| CN107110230A (en) * | 2015-01-13 | 2017-08-29 | Ntn株式会社 | Constant-speed universal coupling |
| US10626924B2 (en) | 2015-01-13 | 2020-04-21 | Ntn Corporation | Constant velocity universal joint |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3583493B2 (en) | 2004-11-04 |
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