JP5602497B2 - 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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- JP5602497B2 JP5602497B2 JP2010121576A JP2010121576A JP5602497B2 JP 5602497 B2 JP5602497 B2 JP 5602497B2 JP 2010121576 A JP2010121576 A JP 2010121576A JP 2010121576 A JP2010121576 A JP 2010121576A JP 5602497 B2 JP5602497 B2 JP 5602497B2
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- cage
- joint member
- joint
- ball
- constant velocity
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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
- F16D3/2237—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 where the grooves are composed of radii and adjoining straight lines, i.e. undercut free [UF] type joints
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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
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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
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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
- F16D2003/22303—Details of ball cages
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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
- F16D2250/00—Manufacturing; Assembly
-
- 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
- F16D2300/00—Special features for couplings or clutches
- F16D2300/10—Surface characteristics; Details related to material surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Heat Treatment Of Articles (AREA)
Description
22、25、72,75 トラック溝
23、73 外側継手部材
24、74 外球面
26、76 内側継手部材
27、77 トルク伝達ボール
28、78 ケージ
28a 外球面
28b 内球面
29、79 ポケット
50 熱硬化処理部
50a 内径部
50b 継手奥側端面
50c 継手開口側端面
55 凸部
Claims (12)
- 内球面に軸方向に延びた複数のトラック溝を形成した外側継手部材と、外球面に軸方向に延びた複数のトラック溝を形成した内側継手部材と、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との対で形成されるボールトラックに1個ずつ配置した複数のトルク伝達ボールと、前記外側継手部材の内球面と前記内側継手部材の外球面との間に介在すると共に前記トルク伝達ボールを保持するケージを備え、前記内側継手部材の内径面にはトルク伝達部位である雌セレーション又は雌スプラインが形成された固定式等速自在継手であって、
前記トルク伝達ボールのピッチ円直径(PCDBALL)と前記トルク伝達ボールの直径(DBALL)との比r1(=PCDBALL/DBALL)を、3.0≦r1≦3.3の範囲に設定するとともに、熱処理後の内側継手部材において、継手奥側の端部から継手開口側のトラック溝開口端部までの前記トルク伝達部位を含む内径部の炭素含有量を0.5%以上とし、かつ、前記内径部を、表面硬度がHV130〜HV650である未硬化又は未浸炭からなる未硬化部とするとともに、前記未硬化部を省いて、継手奥側の端面、継手開口側の端面、トラック溝、及び外球面を、表面硬度がHV650以上の熱処理による硬化部としたことを特徴とする固定式等速自在継手。 - 前記内側継手部材の芯部硬度をHV130以上とし、内径部の表面硬度をHV250〜HV650としたことを特徴とする請求項1に記載の固定式等速自在継手。
- 前記内側継手部材の芯部硬度をHV440〜HV650とし、内径部の表面硬度をHV250〜HV650としたことを特徴とする請求項1に記載の固定式等速自在継手。
- 内側継手部材の継手奥側の端面に継手奥側に突出する凸部を設け、複数個の内側継手部材が、一の内側継手部材の継手奥側の端面の凸部が他の内側継手部材の開口側の端面に当接するように軸方向に沿って配設され、この状態で表面硬化処理が施されてなることを特徴とする請求項1〜請求項3のいずれか1項に記載の固定式等速自在継手。
- 前記熱処理が浸炭焼入焼戻し処理であることを特徴とする請求項1〜請求項4のいずれか1項に記載の固定式等速自在継手。
- 前記熱処理が高周波焼入焼戻し処理であることを特徴とする請求項1〜請求項3のいずれか1項に記載の固定式等速自在継手。
- 前記外側継手部材の外径(D OUTER )と前記トルク伝達ボールの直径(D BALL )との比r2(=D OUTER /D BALL )を、4.6≦r2≦4.8の範囲に設定したことを特徴とする請求項1〜請求項6のいずれか1項に記載の固定式等速自在継手。
- 継手作動角が0°の状態における、前記ケージの内外球面の曲率中心と前記トルク伝達ボールの中心を結ぶ直線と、前記トルク伝達ボールの中心と継手中心とを結ぶ直線とが成すケージのオフセット角θ CAGE を、2.7°≦θ CAGE ≦5.7°の範囲に設定したことを特徴とする請求項1〜請求項7のいずれか1項に記載の固定式等速自在継手。
- ケージのポケット中心位置におけるケージ肉厚をt CAGE とするとともに、作動角が0°のときのボールのピッチ円半径をPCR BALL とし、この比であるt CAGE /PCR BALL を0.20以上0.23以下としたことを特徴とする請求項1〜請求項8のいずれか1項に記載の固定式等速自在継手。
- 外側継手部材のトラック溝の曲率中心と内側継手部材のトラック溝の曲率中心とを、継手中心に対して等距離だけ軸方向に逆向きにオフセットさせるとともに、ケージの外球面の曲率中心とケージの内球面の曲率中心とを、継手中心に対して等距離だけ軸方向に逆向きにオフセットさせ、このケージのオフセット量をトラック溝のオフセット量と略同一としたことを特徴とする請求項1〜請求項9のいずれか1項に記載の固定式等速自在継手。
- 内外継手部材の各トラック溝を、周方向不等ピッチに配設すると共に、狭いピッチ内に配設されたケージの柱部を除去したことを特徴とする請求項1〜請求項10のいずれか1項に記載の固定式等速自在継手。
- 前記内外継手部材の各トラック溝相互間のピッチのうち、2つのピッチの位相を60°以下に設定すると共に、残りの4つのピッチの位相を60°以上に設定したことを特徴とする請求項11に記載の固定式等速自在継手。
Priority Applications (2)
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JP2010121576A JP5602497B2 (ja) | 2010-05-27 | 2010-05-27 | 固定式等速自在継手 |
PCT/JP2011/062055 WO2011149005A1 (ja) | 2010-05-27 | 2011-05-26 | 固定式等速自在継手 |
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JP2010121576A JP5602497B2 (ja) | 2010-05-27 | 2010-05-27 | 固定式等速自在継手 |
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JP2011247360A JP2011247360A (ja) | 2011-12-08 |
JP5602497B2 true JP5602497B2 (ja) | 2014-10-08 |
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Families Citing this family (4)
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KR101467913B1 (ko) | 2013-09-11 | 2014-12-02 | 한국델파이주식회사 | 등속 유니버설 조인트 |
JP6199159B2 (ja) * | 2013-11-05 | 2017-09-20 | Ntn株式会社 | 固定式等速自在継手 |
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 |
JP2023183780A (ja) * | 2022-06-16 | 2023-12-28 | Ntn株式会社 | 摺動式等速自在継手 |
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JP2010106890A (ja) * | 2008-10-28 | 2010-05-13 | Ntn Corp | 固定式等速自在継手 |
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- 2011-05-26 WO PCT/JP2011/062055 patent/WO2011149005A1/ja active Application Filing
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JP2011247360A (ja) | 2011-12-08 |
WO2011149005A1 (ja) | 2011-12-01 |
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