JP2015010615A - 固定式等速自在継手 - Google Patents
固定式等速自在継手 Download PDFInfo
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- JP2015010615A JP2015010615A JP2013133808A JP2013133808A JP2015010615A JP 2015010615 A JP2015010615 A JP 2015010615A JP 2013133808 A JP2013133808 A JP 2013133808A JP 2013133808 A JP2013133808 A JP 2013133808A JP 2015010615 A JP2015010615 A JP 2015010615A
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- 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
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/224—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere
- F16D3/2245—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere where the groove centres are offset from the joint centre
-
- 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
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
-
- 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
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D3/224—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts the groove centre-lines in each coupling part lying on a sphere
-
- 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
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22303—Details of ball cages
-
- 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
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
- F16D2003/22309—Details of grooves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
Description
器5の間の球面すきまとの関係を説明する。
づいて説明する。図9は、図1(a)に示す等速自在継手1の継手中心平面Pにおける部分的な横断面図であり、同図中に示すトラック溝7(7A),9(9A)については、トラック溝7(7A),9(9A)のボール軌道中心線X,Yに垂直な断面で描いている。
ックすきまΔTを誇張して描いている。
4と外側継手部材2のトラック溝7(7A)の接触点軌跡CoA’との間には軸方向すきまΔTaoが形成され、ボール4と内側継手部材3のトラック溝9(9A)の接触点軌跡
CiA1との間には軸方向すきまΔTaiが形成される。図示は省略するが、同様に、ボ
ール4と外側継手部材2のトラック溝7(7A)の接触点軌跡CoAとの間には軸方向すきまΔTaoが形成され、ボール4と内側継手部材3のトラック溝9(9A)の接触点軌
跡CiA1’との間には軸方向すきまΔTaiが形成される。
状外周面8と保持器5の球状内周面13との間に球面すきまΔSiが形成されている。こ
の球面すきまΔSiにより、内側継手部材3と保持器5の間には、両者を外側継手部材2
の開口側および奥側(反開口側)においてそれぞれ軸方向に離間させる軸方向すきまΔS
ia1,ΔSia2が形成される。
a1,ΔSia2と、上記のボールトラックすきまΔTによる軸方向すきまΔTao,Δ
Taiとの間に以下の関係式が成立するように形成されている。
ΔSia1>(ΔTao+ΔTai)
ΔSia2>(ΔTao+ΔTai)
ここで、本願の特許請求の範囲で規定している「内側継手部材と保持器の間の軸方向すきまを、ボールとトラック溝の間のボールトラックすきまによる軸方向すきまよりも大きくした」とは、上記の関係式が成立することを意味する。
が正の値に設定されているので、図示しないデファレンシャルギア、摺動式等速自在継手および中間シャフトを介して固定式等速自在継手1の内側継手部材3にアイドリング振動(軸方向の微振動)が伝わっても、ボール4がトラック溝7,9に沿って滑らかに転がることが、すなわち外側継手部材2と内側継手部材3が軸方向に滑らかに相対変位することができる。この相対変位の際、前述のように、内側継手部材3と保持器5の間の軸方向すきまΔSia1,ΔSia2を、それぞれ、ボールトラックすきまΔTによる軸方向すき
ま(ΔTao+ΔTai)よりも大きくしたことにより、上記の相対変位時にも球面間の
軸方向すきまを残存させることができる。これと共に、接触点軌跡CoA,CiAにより形成されるくさび角2γ’および接触点軌跡CoB,CiBにより形成されるくさび角2γ’による保持器5へのボール4の力の釣り合いが保たれることによって、保持器5が軸方向に片寄ることなく上記球面間の軸方向すきまを維持することができる。これらの相互作用により、内側継手部材3の球状外周面8と保持器5の球状内周面13とが接触(球面接触)することなく、両継手部材2,3が軸方向に相対変位することが可能となるので、アイドリング振動のような軸方向の微振幅の振動を円滑に吸収することができる。
ル4とトラック溝7,9の間のボールトラックすきまΔTによる軸方向すきまΔTao,
ΔTaiとが上記の関係式を満たすように設定されているので、外側継手部材2の球状内
周面6と保持器5の球状外周面12との間の球面すきまΔSoは、両継手部材2,3の屈
曲作動(角度変位)に支障がない程度の最小値を確保できていれば良い。
2,22 外側継手部材
3,23 内側継手部材
4,24 ボール
5,25 保持器
6,26 球状内周面
7,27 トラック溝
8,28 球状外周面
9,29 トラック溝
12,32 球状外周面
13,33 球状内周面
20 後輪用ドライブシャフト
40 プロペラシャフト
K 垂線
M 平面(ボール軌道中心線を含む平面)
N 継手の軸線
O 継手中心
P 継手中心平面(作動角0°の状態の継手中心平面)
Q 平面(ボール軌道中心線を含む平面)
X ボール軌道中心線
Y ボール軌道中心線
γ 傾斜角
θ 作動角
ΔT ボールトラックすきま
ΔTai (ボールトラックすきまによる)軸方向すきま
ΔTao (ボールトラックすきまによる)軸方向すきま
ΔSi 球面すきま
ΔSo 球面すきま
ΔSia1 (内側継手部材と保持器の間の)軸方向すきま
ΔSia2 (内側継手部材と保持器の間の)軸方向すきま
Claims (6)
- 球状内周面に軸方向に延びる複数のトラック溝が形成された外側継手部材と、球状外周面に前記外側継手部材のトラック溝と対をなす複数のトラック溝が形成された内側継手部材と、対をなす前記外側継手部材のトラック溝と前記内側継手部材のトラック溝の間に介在してトルクを伝達するボールと、前記外側継手部材の球状内周面に嵌合する球状外周面および前記内側継手部材の球状外周面に嵌合する球状内周面を有する保持器とを備え、前記外側継手部材のトラック溝が、継手中心に対して軸方向にオフセットのない曲率中心をもつ円弧状に形成され、かつ継手の軸線に対して周方向に傾斜すると共にその傾斜方向が周方向に隣り合う前記トラック溝で互いに反対方向に形成されており、前記内側継手部材のトラック溝が、作動角0°の状態の継手中心平面を基準として、前記外側継手部材の対となるトラック溝と鏡像対称に形成された固定式等速自在継手において、
前記外側継手部材のトラック溝と前記内側継手部材のトラック溝の双方が、後輪用ドライブシャフトに求められる最大作動角に対応した長さを有し、かつ、前記内側継手部材と前記保持器の間の軸方向すきまを、前記ボールとトラック溝の間のボールトラックすきまによる軸方向すきまよりも大きくしたことを特徴とする固定式等速自在継手。 - 球状内周面に軸方向に延びる複数のトラック溝が形成された外側継手部材と、球状外周面に前記外側継手部材のトラック溝と対をなす複数のトラック溝が形成された内側継手部材と、対をなす前記外側継手部材のトラック溝と前記内側継手部材のトラック溝の間に介在してトルクを伝達するボールと、前記外側継手部材の球状内周面に嵌合する球状外周面および前記内側継手部材の球状外周面に嵌合する球状内周面を有する保持器とを備え、前記外側継手部材のトラック溝が、継手中心に対して軸方向にオフセットのない曲率中心をもつ円弧状に形成され、かつ継手の軸線に対して周方向に傾斜すると共にその傾斜方向が周方向に隣り合う前記トラック溝で互いに反対方向に形成されており、前記内側継手部材のトラック溝が、作動角0°の状態の継手中心平面を基準として、前記外側継手部材の対となるトラック溝と鏡像対称に形成された固定式等速自在継手において、
前記外側継手部材のトラック溝と前記内側継手部材のトラック溝の双方が、プロペラシャフトに求められる最大作動角に対応した長さを有し、かつ、前記内側継手部材と前記保持器の間の軸方向すきまを、前記ボールとトラック溝の間のボールトラックすきまによる軸方向隙間よりも大きくしたことを特徴とする固定式等速自在継手。 - 前記ボールトラックすきまを正の値としたことを特徴とする請求項1又は2に記載の固定式等速自在継手。
- 前記外側継手部材のトラック溝および前記内側継手部材のトラック溝の曲率中心を、継手の軸線上に配置した請求項1〜3の何れか一項に記載の固定式等速自在継手。
- 前記外側継手部材のトラック溝および前記内側継手部材のトラック溝の曲率中心を、継手の軸線より半径方向にオフセットした位置に配置した請求項1〜3の何れか一項に記載の固定式等速自在継手。
- 前記ボールの個数を、6個、8個、10個又は12個の何れかとした請求項1〜5の何れか一項に記載の固定式等速自在継手。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013133808A JP6114644B2 (ja) | 2013-06-26 | 2013-06-26 | 固定式等速自在継手 |
EP14817130.9A EP3015731B1 (en) | 2013-06-26 | 2014-05-26 | Fixed-type constant velocity universal joint |
US14/899,850 US10260569B2 (en) | 2013-06-26 | 2014-05-26 | Fixed-type constant velocity universal joint |
CN201480036557.9A CN105393010B (zh) | 2013-06-26 | 2014-05-26 | 固定式等速万向联轴器 |
PCT/JP2014/063858 WO2014208242A1 (ja) | 2013-06-26 | 2014-05-26 | 固定式等速自在継手 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2013133808A JP6114644B2 (ja) | 2013-06-26 | 2013-06-26 | 固定式等速自在継手 |
Publications (2)
Publication Number | Publication Date |
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JP2015010615A true JP2015010615A (ja) | 2015-01-19 |
JP6114644B2 JP6114644B2 (ja) | 2017-04-12 |
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JP2013133808A Active JP6114644B2 (ja) | 2013-06-26 | 2013-06-26 | 固定式等速自在継手 |
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US (1) | US10260569B2 (ja) |
EP (1) | EP3015731B1 (ja) |
JP (1) | JP6114644B2 (ja) |
CN (1) | CN105393010B (ja) |
WO (1) | WO2014208242A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016152386A1 (ja) * | 2015-03-20 | 2016-09-29 | Ntn株式会社 | 摺動式等速自在継手 |
CN111156306A (zh) * | 2020-01-06 | 2020-05-15 | 河南烛龙高科技术有限公司 | 一种根切活齿传动啮合副及其生成方法 |
WO2020203221A1 (ja) * | 2019-04-05 | 2020-10-08 | Ntn株式会社 | 固定式等速自在継手 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6114644B2 (ja) * | 2013-06-26 | 2017-04-12 | Ntn株式会社 | 固定式等速自在継手 |
KR102525304B1 (ko) * | 2016-05-24 | 2023-04-26 | 남양넥스모 주식회사 | 차량용 요크 샤프트 |
JP6800789B2 (ja) | 2017-03-17 | 2020-12-16 | Ntn株式会社 | 後輪用ドライブシャフトに用いられる固定式等速自在継手 |
JP7154778B2 (ja) * | 2017-03-17 | 2022-10-18 | Ntn株式会社 | 後輪用ドライブシャフト |
WO2018168640A1 (ja) * | 2017-03-17 | 2018-09-20 | Ntn株式会社 | 後輪用ドライブシャフト |
JP6736509B2 (ja) * | 2017-03-17 | 2020-08-05 | Ntn株式会社 | 後輪用ドライブシャフトに用いられる固定式等速自在継手 |
JP6863785B2 (ja) | 2017-03-17 | 2021-04-21 | Ntn株式会社 | 固定式等速自在継手 |
CN112020613B (zh) * | 2018-04-24 | 2023-11-14 | Ntn株式会社 | 传动轴用滑动式等速万向联轴器 |
DE102018207130B4 (de) * | 2018-05-08 | 2022-11-03 | Airbus Operations Gmbh | Homokinetisches Gelenk |
KR20220001642A (ko) | 2020-06-30 | 2022-01-06 | 현대자동차주식회사 | 차량의 구동륜 액슬장치 |
Citations (4)
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JPH03255226A (ja) * | 1990-03-01 | 1991-11-14 | Toyoda Mach Works Ltd | 等速ジョイント |
JPH09280261A (ja) * | 1996-02-14 | 1997-10-28 | Ntn Corp | 自動車の動力伝達装置およびその等速自在継手 |
JP2005106233A (ja) * | 2003-10-01 | 2005-04-21 | Ntn Corp | 固定型等速自在継手 |
JP2013104462A (ja) * | 2011-11-11 | 2013-05-30 | Ntn Corp | 固定式等速自在継手 |
Family Cites Families (22)
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JP2578286Y2 (ja) * | 1992-03-18 | 1998-08-06 | 日本精工株式会社 | 等速ジョイント |
JPH07317790A (ja) * | 1994-05-31 | 1995-12-08 | Ntn Corp | 等速自在継手 |
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- 2014-05-26 CN CN201480036557.9A patent/CN105393010B/zh active Active
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WO2020203221A1 (ja) * | 2019-04-05 | 2020-10-08 | Ntn株式会社 | 固定式等速自在継手 |
CN111156306A (zh) * | 2020-01-06 | 2020-05-15 | 河南烛龙高科技术有限公司 | 一种根切活齿传动啮合副及其生成方法 |
Also Published As
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WO2014208242A1 (ja) | 2014-12-31 |
EP3015731A1 (en) | 2016-05-04 |
US20160138660A1 (en) | 2016-05-19 |
EP3015731B1 (en) | 2018-07-04 |
CN105393010B (zh) | 2018-04-06 |
US10260569B2 (en) | 2019-04-16 |
JP6114644B2 (ja) | 2017-04-12 |
EP3015731A4 (en) | 2017-04-26 |
CN105393010A (zh) | 2016-03-09 |
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