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WO2008087748A1 - 電動式パワーステアリング装置 - Google Patents

電動式パワーステアリング装置 Download PDF

Info

Publication number
WO2008087748A1
WO2008087748A1 PCT/JP2007/058554 JP2007058554W WO2008087748A1 WO 2008087748 A1 WO2008087748 A1 WO 2008087748A1 JP 2007058554 W JP2007058554 W JP 2007058554W WO 2008087748 A1 WO2008087748 A1 WO 2008087748A1
Authority
WO
WIPO (PCT)
Prior art keywords
power steering
steering device
parts
electric power
peripheral surface
Prior art date
Application number
PCT/JP2007/058554
Other languages
English (en)
French (fr)
Inventor
Toru Segawa
Original Assignee
Nsk Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nsk Ltd. filed Critical Nsk Ltd.
Publication of WO2008087748A1 publication Critical patent/WO2008087748A1/ja

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0409—Electric motor acting on the steering column
    • 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
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/22—Toothed members; Worms for transmissions with crossing shafts, especially worms, worm-gears
    • F16H55/24—Special devices for taking up backlash
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/081—Structural association with bearings specially adapted for worm gear drives
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
    • H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
    • 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
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/16—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising worm and worm-wheel
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F16H2057/0213—Support of worm gear shafts
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
    • F16H2057/126—Self-adjusting during operation, e.g. by a spring
    • F16H2057/127—Self-adjusting during operation, e.g. by a spring using springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Power Steering Mechanism (AREA)
  • Springs (AREA)
  • Gear Transmission (AREA)
  • Gears, Cams (AREA)

Abstract

　コイル部２２とこのコイル部２２の中心を挟んで両側部分に設けられた１対の係止部１３ａ、１３ａとを備えたコイルばね１０ａは、押圧スリーブ１５を介して、上記ウォーム軸７ａの先端部外周面と、ハウジング３ａに設けた保持円筒部１４の内周面との間に装着される。この構成により、ウォーム軸７ａの先端部をウォームホイールに向け弾性的に押圧する為の押圧機構の部品点数を少なくして、部品製作、部品管理、組立作業を何れも容易にして低コスト化を図ることができる。
PCT/JP2007/058554 2007-01-16 2007-04-19 電動式パワーステアリング装置 WO2008087748A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-007303 2007-01-16
JP2007007303A JP2008174024A (ja) 2007-01-16 2007-01-16 電動式パワーステアリング装置

Publications (1)

Publication Number Publication Date
WO2008087748A1 true WO2008087748A1 (ja) 2008-07-24

Family

ID=39635757

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/058554 WO2008087748A1 (ja) 2007-01-16 2007-04-19 電動式パワーステアリング装置

Country Status (2)

Country Link
JP (1) JP2008174024A (ja)
WO (1) WO2008087748A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016047189A1 (ja) * 2014-09-26 2016-03-31 日本精工株式会社 電動式パワーステアリング装置
CN109563910A (zh) * 2016-07-19 2019-04-02 日本精工株式会社 蜗轮减速器

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5210185B2 (ja) * 2009-01-22 2013-06-12 株式会社ショーワ 電動パワーステアリング装置
JP5210186B2 (ja) * 2009-01-22 2013-06-12 株式会社ショーワ 電動パワーステアリング装置
JP4866931B2 (ja) * 2009-03-24 2012-02-01 日立オートモティブシステムズ株式会社 パワーステアリング装置
KR101028632B1 (ko) 2009-09-09 2011-04-11 한국델파이주식회사 스티어링 기어용 랙바 가이드
KR102540394B1 (ko) 2018-10-10 2023-06-08 현대자동차주식회사 전동식 조향장치의 소음방지 구조

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002145082A (ja) * 2000-11-08 2002-05-22 Koyo Seiko Co Ltd 電動式動力舵取装置
WO2003047948A1 (fr) * 2001-12-03 2003-06-12 Nsk Ltd. Dispositif de direction electrique
WO2004074071A2 (en) * 2003-02-20 2004-09-02 Nsk Ltd. Electric-powered power steering apparatus
JP2005088820A (ja) * 2003-09-19 2005-04-07 Hitachi Unisia Automotive Ltd 電動パワーステアリング装置
JP2006103391A (ja) * 2004-10-01 2006-04-20 Nsk Ltd 電動パワーステアリング装置
JP2006103395A (ja) * 2004-10-01 2006-04-20 Nsk Ltd 電動式パワーステアリング装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002145082A (ja) * 2000-11-08 2002-05-22 Koyo Seiko Co Ltd 電動式動力舵取装置
WO2003047948A1 (fr) * 2001-12-03 2003-06-12 Nsk Ltd. Dispositif de direction electrique
WO2004074071A2 (en) * 2003-02-20 2004-09-02 Nsk Ltd. Electric-powered power steering apparatus
JP2005088820A (ja) * 2003-09-19 2005-04-07 Hitachi Unisia Automotive Ltd 電動パワーステアリング装置
JP2006103391A (ja) * 2004-10-01 2006-04-20 Nsk Ltd 電動パワーステアリング装置
JP2006103395A (ja) * 2004-10-01 2006-04-20 Nsk Ltd 電動式パワーステアリング装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016047189A1 (ja) * 2014-09-26 2016-03-31 日本精工株式会社 電動式パワーステアリング装置
JPWO2016047189A1 (ja) * 2014-09-26 2017-04-27 日本精工株式会社 電動式パワーステアリング装置
CN106687358A (zh) * 2014-09-26 2017-05-17 日本精工株式会社 电动式助力转向装置
EP3173313A4 (en) * 2014-09-26 2017-11-08 NSK Ltd. Electric power steering device
US10183693B2 (en) 2014-09-26 2019-01-22 Nsk Ltd. Electric power steering device
CN106687358B (zh) * 2014-09-26 2019-05-31 日本精工株式会社 电动式助力转向装置
CN109563910A (zh) * 2016-07-19 2019-04-02 日本精工株式会社 蜗轮减速器
CN109563910B (zh) * 2016-07-19 2022-04-12 日本精工株式会社 蜗轮减速器

Also Published As

Publication number Publication date
JP2008174024A (ja) 2008-07-31

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