JP7694649B2 - ボールねじ装置 - Google Patents

ボールねじ装置 Download PDF

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Publication number
JP7694649B2
JP7694649B2 JP2023511400A JP2023511400A JP7694649B2 JP 7694649 B2 JP7694649 B2 JP 7694649B2 JP 2023511400 A JP2023511400 A JP 2023511400A JP 2023511400 A JP2023511400 A JP 2023511400A JP 7694649 B2 JP7694649 B2 JP 7694649B2
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JP
Japan
Prior art keywords
circuit
raceway surface
central
ball
nut
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
JP2023511400A
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English (en)
Japanese (ja)
Other versions
JPWO2022210747A1 (https=
JPWO2022210747A5 (https=
Inventor
大輔 阿部
大樹 高橋
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 JPWO2022210747A1 publication Critical patent/JPWO2022210747A1/ja
Publication of JPWO2022210747A5 publication Critical patent/JPWO2022210747A5/ja
Application granted granted Critical
Publication of JP7694649B2 publication Critical patent/JP7694649B2/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
    • F16H25/22—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
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C31/00—Bearings for parts which both rotate and move linearly
    • F16C31/04—Ball or roller bearings
    • F16C31/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
    • 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
    • F16C39/00—Relieving load on 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
    • F16H25/22—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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/70—Diameters; Radii
    • F16C2240/80—Pitch circle diameters [PCD]
    • 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
    • F16C2322/00—Apparatus used in shaping articles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
JP2023511400A 2021-03-30 2022-03-29 ボールねじ装置 Active JP7694649B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021057340 2021-03-30
JP2021057340 2021-03-30
PCT/JP2022/015605 WO2022210747A1 (ja) 2021-03-30 2022-03-29 ボールねじ装置

Publications (3)

Publication Number Publication Date
JPWO2022210747A1 JPWO2022210747A1 (https=) 2022-10-06
JPWO2022210747A5 JPWO2022210747A5 (https=) 2024-01-15
JP7694649B2 true JP7694649B2 (ja) 2025-06-18

Family

ID=83456365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023511400A Active JP7694649B2 (ja) 2021-03-30 2022-03-29 ボールねじ装置

Country Status (5)

Country Link
EP (1) EP4317746A4 (https=)
JP (1) JP7694649B2 (https=)
KR (1) KR102858061B1 (https=)
CN (1) CN116888384A (https=)
WO (1) WO2022210747A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003049920A (ja) 2001-08-03 2003-02-21 Nsk Ltd ボールねじ
JP3381735B2 (ja) 1993-04-12 2003-03-04 日本精工株式会社 ボールねじ装置
JP2004306728A (ja) 2003-04-04 2004-11-04 Nsk Ltd 電動パワーステアリング装置
JP2019015318A (ja) 2017-07-05 2019-01-31 日本精工株式会社 ボールねじ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3019253B2 (ja) * 1997-06-25 2000-03-13 本田技研工業株式会社 電動パワーステアリング装置
JP2017072233A (ja) * 2015-10-09 2017-04-13 日本精工株式会社 ボールねじ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3381735B2 (ja) 1993-04-12 2003-03-04 日本精工株式会社 ボールねじ装置
JP2003049920A (ja) 2001-08-03 2003-02-21 Nsk Ltd ボールねじ
JP2004306728A (ja) 2003-04-04 2004-11-04 Nsk Ltd 電動パワーステアリング装置
JP2019015318A (ja) 2017-07-05 2019-01-31 日本精工株式会社 ボールねじ

Also Published As

Publication number Publication date
JPWO2022210747A1 (https=) 2022-10-06
KR20230153442A (ko) 2023-11-06
WO2022210747A1 (ja) 2022-10-06
CN116888384A (zh) 2023-10-13
KR102858061B1 (ko) 2025-09-11
EP4317746A4 (en) 2025-05-07
EP4317746A1 (en) 2024-02-07

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