JP5251968B2 - 十字軸自在継手 - Google Patents
十字軸自在継手 Download PDFInfo
- Publication number
- JP5251968B2 JP5251968B2 JP2010272798A JP2010272798A JP5251968B2 JP 5251968 B2 JP5251968 B2 JP 5251968B2 JP 2010272798 A JP2010272798 A JP 2010272798A JP 2010272798 A JP2010272798 A JP 2010272798A JP 5251968 B2 JP5251968 B2 JP 5251968B2
- Authority
- JP
- Japan
- Prior art keywords
- thrust piece
- rigidity
- low
- shaft
- diameter
- 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 - Fee Related
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Classifications
-
- 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
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/385—Bearing cup; Bearing construction; Bearing seal; Mounting of bearing on the intermediate member
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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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
- F16C21/005—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement the external zone of a bearing with rolling members, e.g. needles, being cup-shaped, with or without a separate thrust-bearing disc or ring, e.g. for universal joints
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
- F16C19/466—Needle bearings with one row or needles comprising needle rollers and an outer ring, i.e. subunit without inner ring
-
- 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
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/40—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes
- F16D3/41—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes with ball or roller bearings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
- Power Steering Mechanism (AREA)
Description
高剛性スラストピース72が軸方向に圧縮されて、大きなスラスト荷重を支持することができ、剛性感のある操舵フィーリングが得られる。低剛性スラストピース71は、高剛性スラストピース72とともに軸方向に圧縮されて、スラスト荷重を支持する。従って、大きなスラスト荷重が作用しても、低剛性スラストピース71の圧縮変形量が大きくならないため、低剛性スラストピース71の塑性変形やクリープを抑制できるため、十字軸自在継手15の耐久性が向上する。
12 ステアリングシャフト
12A 雌ステアリングシャフト
12B 雄ステアリングシャフト
13 ステアリングコラム
13A アウターコラム
13B インナーコラム
14 支持ブラケット
15 十字軸自在継手
16 中間シャフト
16A 雄中間シャフト
16B 雌中間シャフト
18 車体
20 アシスト装置
21 ギヤハウジング
23 出力軸
26 電動モータ
261 ケース
30 ステアリングギヤ
31 入力軸
32 タイロッド
4 ヨーク
41 軸受孔
5 十字軸
51 軸部
511 外周面
512 先端面
52 シール
53 軸方向孔
531 底部
6 ニードル軸受
61 外輪
62 ニードル
63 筒状部
631 内側転動面
64 底部
641 底部内面
65 内向き折り曲げ部
7 スラストピース
71 低剛性スラストピース
711 裁頭円錐部
711A 下端面
712 大径軸部
713 小径軸部
714 大径軸部
715 裁頭円錐部
715A 上端面
716、717 突条
718 貫通孔
718A 係合孔
72 高剛性スラストピース
721 上端面
721A 係合爪
722 下端面
723 裁頭円錐部
723A 下端面
724 大径軸部
725 小径軸部
726 小径棒状体
727 突条
Claims (2)
- ヨークに形成された軸受孔、
上記軸受孔に内嵌する有底筒状の外輪を有する軸受、
上記軸受に内嵌する十字状の軸部を有する十字軸、
上記十字軸の軸部の軸心に形成された有底の軸方向孔、
上記有底の軸方向孔に内嵌し、上記軸受外輪の底部内面に当接して、軸方向に圧縮されてスラスト荷重を支持する低剛性スラストピース、
上記低剛性スラストピースの軸心に形成された貫通孔に内嵌し、上記低剛性スラストピースが軸方向に圧縮された後、上記軸受外輪の底部内面に当接し、上記低剛性スラストピースとともに軸方向に圧縮されてスラスト荷重を支持する高剛性スラストピースを備えた十字軸自在継手であって、
上記高剛性スラストピースは、
上記貫通孔に内嵌し、上記軸受外輪の底部内面に当接する球面が形成されている小径棒状体と、
上記軸方向孔に内嵌するとともに、軸方向孔の底部に当接する大径軸部とが一体的に形成されており、
上記低剛性スラストピースの上端面と上記小径棒状体の上面との高さの間に隙間が形成されていること
を特徴とする十字軸自在継手。 - 請求項1に記載された十字軸自在継手において、
上記小径棒状体には、
上記低剛性スラストピースに係合して、高剛性スラストピースを低剛性スラストピースに結合する係合爪が形成されていること
を特徴とする十字軸自在継手。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010272798A JP5251968B2 (ja) | 2010-12-07 | 2010-12-07 | 十字軸自在継手 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010272798A JP5251968B2 (ja) | 2010-12-07 | 2010-12-07 | 十字軸自在継手 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012122527A JP2012122527A (ja) | 2012-06-28 |
JP5251968B2 true JP5251968B2 (ja) | 2013-07-31 |
Family
ID=46504183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010272798A Expired - Fee Related JP5251968B2 (ja) | 2010-12-07 | 2010-12-07 | 十字軸自在継手 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5251968B2 (ja) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6453650U (ja) * | 1987-09-29 | 1989-04-03 | ||
JP3480140B2 (ja) * | 1995-08-25 | 2003-12-15 | 日本精工株式会社 | 自在継手 |
JP2009192063A (ja) * | 2008-02-18 | 2009-08-27 | Nsk Ltd | 自在継手 |
-
2010
- 2010-12-07 JP JP2010272798A patent/JP5251968B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2012122527A (ja) | 2012-06-28 |
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