JP7392903B1 - 直動アクチュエータ - Google Patents

直動アクチュエータ Download PDF

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Publication number
JP7392903B1
JP7392903B1 JP2023541120A JP2023541120A JP7392903B1 JP 7392903 B1 JP7392903 B1 JP 7392903B1 JP 2023541120 A JP2023541120 A JP 2023541120A JP 2023541120 A JP2023541120 A JP 2023541120A JP 7392903 B1 JP7392903 B1 JP 7392903B1
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JP
Japan
Prior art keywords
screw shaft
cylindrical portion
stopper
nut
opening
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.)
Active
Application number
JP2023541120A
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English (en)
Japanese (ja)
Other versions
JPWO2023204016A1 (https=
JPWO2023204016A5 (https=
Inventor
幹史 坂井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
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 JPWO2023204016A1 publication Critical patent/JPWO2023204016A1/ja
Application granted granted Critical
Publication of JP7392903B1 publication Critical patent/JP7392903B1/ja
Publication of JPWO2023204016A5 publication Critical patent/JPWO2023204016A5/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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
    • F16H25/2015—Means specially adapted for stopping actuators in the end position; Position sensing means
    • 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
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • 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
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
    • 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
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
    • F16H25/2214—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with elements for guiding the circulating balls
    • 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
    • F16H2025/204—Axial sliding means, i.e. for rotary support and axial guiding of nut or screw shaft
    • 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
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2075—Coaxial drive motors
    • 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
    • F16H2025/2062—Arrangements for driving the actuator
    • F16H2025/2081—Parallel arrangement of drive motor to screw axis

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
JP2023541120A 2022-04-22 2023-04-04 直動アクチュエータ Active JP7392903B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022071135 2022-04-22
JP2022071135 2022-04-22
PCT/JP2023/013952 WO2023204016A1 (ja) 2022-04-22 2023-04-04 直動アクチュエータ

Publications (3)

Publication Number Publication Date
JPWO2023204016A1 JPWO2023204016A1 (https=) 2023-10-26
JP7392903B1 true JP7392903B1 (ja) 2023-12-06
JPWO2023204016A5 JPWO2023204016A5 (https=) 2024-04-01

Family

ID=88419838

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023541120A Active JP7392903B1 (ja) 2022-04-22 2023-04-04 直動アクチュエータ

Country Status (5)

Country Link
US (1) US12072004B1 (https=)
JP (1) JP7392903B1 (https=)
CN (1) CN117693641A (https=)
DE (1) DE112023000635T5 (https=)
WO (1) WO2023204016A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140090501A1 (en) * 2011-06-01 2014-04-03 Sfs Intec Holding Ag Shaft having a journal
JP2019056460A (ja) * 2017-09-22 2019-04-11 Ntn株式会社 電動アクチュエータ
KR20210026057A (ko) * 2019-08-29 2021-03-10 현대모비스 주식회사 차고 조절장치

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009036884A1 (de) * 2009-08-10 2011-05-19 Schaeffler Technologies Gmbh & Co. Kg Kugelgewindetrieb, mit axial abgestützter Gewindespindel
DE102016216496A1 (de) * 2016-09-01 2018-03-01 Schaeffler Technologies AG & Co. KG Gewindetrieb
US11209060B2 (en) * 2018-04-25 2021-12-28 Mando Corporation Electromechanical brake caliper with rolling friction motion converters
JP2020143693A (ja) * 2019-03-04 2020-09-10 Ntn株式会社 直動アクチュエータ
US11536355B2 (en) * 2019-08-28 2022-12-27 Koyo Bearings North America Llc Segmented spring for a ball screw
JP2021042801A (ja) 2019-09-10 2021-03-18 日本精工株式会社 ボールねじ装置
WO2021158788A1 (en) * 2020-02-04 2021-08-12 Koyo Bearings North America Llc Stop pin for a ball screw assembly
US12173777B2 (en) 2020-10-23 2024-12-24 Nsk Ltd. Linear motion actuator
EP4239217B1 (en) * 2021-07-01 2025-08-20 NSK Ltd. Ball screw device
JP7276629B1 (ja) * 2021-08-24 2023-05-18 日本精工株式会社 ボールねじ装置およびその製造方法
US20240060551A1 (en) * 2022-08-19 2024-02-22 Jtekt Bearings North America Llc Linear actuator having wobble joint

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140090501A1 (en) * 2011-06-01 2014-04-03 Sfs Intec Holding Ag Shaft having a journal
JP2019056460A (ja) * 2017-09-22 2019-04-11 Ntn株式会社 電動アクチュエータ
KR20210026057A (ko) * 2019-08-29 2021-03-10 현대모비스 주식회사 차고 조절장치

Also Published As

Publication number Publication date
CN117693641A (zh) 2024-03-12
JPWO2023204016A1 (https=) 2023-10-26
WO2023204016A1 (ja) 2023-10-26
US20240263690A1 (en) 2024-08-08
DE112023000635T5 (de) 2024-11-21
US12072004B1 (en) 2024-08-27

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