WO2008087747A1 - 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

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Publication number
WO2008087747A1
WO2008087747A1 PCT/JP2007/058553 JP2007058553W WO2008087747A1 WO 2008087747 A1 WO2008087747 A1 WO 2008087747A1 JP 2007058553 W JP2007058553 W JP 2007058553W WO 2008087747 A1 WO2008087747 A1 WO 2008087747A1
Authority
WO
WIPO (PCT)
Prior art keywords
worm
worm wheel
electric power
power steering
steering device
Prior art date
Application number
PCT/JP2007/058553
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 WO2008087747A1 publication Critical patent/WO2008087747A1/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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06—Ball or roller 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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
    • F16C2380/27—Motor coupled with a gear, e.g. worm gears
    • 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
    • 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

Landscapes

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

Abstract

　ウォーム軸７ａの先端部を支持する転がり軸受８ａをガイドスリーブ２０の内側に、ウォームホイール４に対し遠近動する方向の変位を可能に支持する。上記転がり軸受８ａが上記ガイドスリーブ２０の内側で、最も上記ウォームホイール４から遠ざかる方向に変位した状態で、上記両転がり軸受８ａ、８ｂの中心軸同士を、互いに一致させる。この構成により、部品点数を少なくしてコスト低減を図り易くすると共に、電動モータ５によりステアリングシャフトに補助力を付与すべく、ウォーム歯６ａからウォームホイール４に回転力を伝達する際に、ウォーム軸７ａの両端部を支持する１対の転がり軸受８ａ、８ｂの中心軸を一致させられる構造を実現することができる。
PCT/JP2007/058553 2007-01-16 2007-04-19 電動式パワーステアリング装置 WO2008087747A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007006553A JP2008173993A (ja) 2007-01-16 2007-01-16 電動式パワーステアリング装置
JP2007-006553 2007-01-16

Publications (1)

Publication Number Publication Date
WO2008087747A1 true WO2008087747A1 (ja) 2008-07-24

Family

ID=39635756

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/058553 WO2008087747A1 (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) JP2008173993A (ja)
WO (1) WO2008087747A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111051185A (zh) * 2017-08-31 2020-04-21 Ｋｙｂ株式会社 动力转向装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5353640B2 (ja) * 2009-11-02 2013-11-27 日本精工株式会社 電動式パワーステアリング装置
KR101509794B1 (ko) 2009-11-02 2015-04-08 현대자동차주식회사 전동식 파워스티어링의 노이즈 저감 구조
KR101509798B1 (ko) * 2009-11-12 2015-04-08 현대자동차주식회사 전동식 파워스티어링의 노이즈 저감 구조
CN103697146A (zh) * 2012-09-27 2014-04-02 苏州工业园区咖乐美电器有限公司 一种用于蜗杆变速器的电机固定结构
CN106660577B (zh) * 2014-09-08 2019-08-09 日本精工株式会社 电动式助力转向装置
KR102543624B1 (ko) * 2016-06-30 2023-06-19 에이치엘만도 주식회사 자동차의 감속기

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002067992A (ja) * 2000-09-04 2002-03-08 Koyo Seiko Co Ltd 電動パワーステアリング装置
WO2003047948A1 (fr) * 2001-12-03 2003-06-12 Nsk Ltd. Dispositif de direction electrique
JP2005042913A (ja) * 2003-06-25 2005-02-17 Nsk Ltd ウォーム減速機及び電動式パワーステアリング装置
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
JP2005104366A (ja) * 2003-09-30 2005-04-21 Koyo Seiko Co Ltd 電動パワーステアリング装置
JP2006027368A (ja) * 2004-07-13 2006-02-02 Koyo Seiko Co Ltd 電動パワーステアリング装置
JP2006118539A (ja) * 2004-10-19 2006-05-11 Jtekt Corp 動力伝達継手およびこれを用いた電動パワーステアリング装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002067992A (ja) * 2000-09-04 2002-03-08 Koyo Seiko Co Ltd 電動パワーステアリング装置
WO2003047948A1 (fr) * 2001-12-03 2003-06-12 Nsk Ltd. Dispositif de direction electrique
JP2005042913A (ja) * 2003-06-25 2005-02-17 Nsk Ltd ウォーム減速機及び電動式パワーステアリング装置
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
JP2005104366A (ja) * 2003-09-30 2005-04-21 Koyo Seiko Co Ltd 電動パワーステアリング装置
JP2006027368A (ja) * 2004-07-13 2006-02-02 Koyo Seiko Co Ltd 電動パワーステアリング装置
JP2006118539A (ja) * 2004-10-19 2006-05-11 Jtekt Corp 動力伝達継手およびこれを用いた電動パワーステアリング装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111051185A (zh) * 2017-08-31 2020-04-21 Ｋｙｂ株式会社 动力转向装置

Also Published As

Publication number Publication date
JP2008173993A (ja) 2008-07-31

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