JP7054305B2 - 電動アクチュエータ - Google Patents
電動アクチュエータ Download PDFInfo
- Publication number
- JP7054305B2 JP7054305B2 JP2018124586A JP2018124586A JP7054305B2 JP 7054305 B2 JP7054305 B2 JP 7054305B2 JP 2018124586 A JP2018124586 A JP 2018124586A JP 2018124586 A JP2018124586 A JP 2018124586A JP 7054305 B2 JP7054305 B2 JP 7054305B2
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- JP
- Japan
- Prior art keywords
- case
- shaft
- electric actuator
- recess
- screw shaft
- 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.)
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Classifications
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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
- 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
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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
- 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
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- 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
- F16H57/027—Gearboxes; Mounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0416—Air cooling or ventilation
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0476—Electric machines and gearing, i.e. joint lubrication or cooling or heating thereof
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
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- 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
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- 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
- F16H2025/2031—Actuator casings
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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
- 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
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02034—Gearboxes combined or connected with electric machines
-
- 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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02069—Gearboxes for particular applications for industrial applications
-
- 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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0497—Screw mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- General Details Of Gearings (AREA)
- Power Steering Mechanism (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Description
2 駆動部
3 駆動力伝達機構
4 運動変換機構
5 通気部
6a 出力軸
20 ギヤケース(第一ケース)
30 ねじ軸
32 軸ケース(第二ケース)
34 基部
35 軸収容部
41 ブーツ
46 エア流路
49 第一凹部
50 第二凹部
51 第三凹部
52 第四凹部
53 第一通気孔
55 第二通気孔
57 第三通気孔
60 フィルタ
S ラビリンスシール部
Claims (5)
- 回転可能な出力軸を有する駆動部と、前記出力軸の回転運動を直線運動に変換する運動変換機構と、前記駆動部の駆動力を前記運動変換機構に伝達する駆動力伝達機構と、前記駆動部、前記運動変換機構及び前記駆動力伝達機構を収容する収容空間と、前記運動変換機構の動作に応じて前記収容空間の通気を行う通気部とを備える電動アクチュエータであって、
前記通気部は、前記駆動力伝達機構を区画する隔壁を貫通する通気孔と、前記通気孔に連通するエア流路と、フィルタとを備え、
前記駆動力伝達機構を収容するとともに、前記隔壁及び前記通気孔を有する第一ケースと、前記フィルタを保持する第二ケースと、を備え、
前記第一ケースと前記第二ケースとは重なり合って連結され、前記エア流路は、前記第一ケースと前記第二ケースとの間に形成されることを特徴とする電動アクチュエータ。 - 前記運動変換機構は、直線運動が可能なねじ軸と、前記ねじ軸の移動に応じて伸縮するブーツとを備え、
前記第二ケースは、前記ねじ軸を収容する軸ケースであり、
前記軸ケースは、基部と、前記ねじ軸を収容する軸収容部とを備え、
前記フィルタは、前記軸収容部から離間された位置で前記基部に配置される請求項1に記載の電動アクチュエータ。 - 前記エア流路は、前記第一ケース又は前記第二ケースに形成される複数の凹部を備える請求項1又は2に記載の電動アクチュエータ。
- 前記通気孔は、前記第一ケースに形成される前記凹部の底面に形成される請求項3に記載の電動アクチュエータ。
- 前記運動変換機構は、前記通気部と連通するラビリンスシール部を備える請求項1から4のいずれか一項に記載の電動アクチュエータ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018124586A JP7054305B2 (ja) | 2018-06-29 | 2018-06-29 | 電動アクチュエータ |
CA3103955A CA3103955A1 (en) | 2018-06-29 | 2019-06-25 | Electric actuator |
US17/251,456 US11408492B2 (en) | 2018-06-29 | 2019-06-25 | Electric actuator |
PCT/JP2019/025124 WO2020004379A1 (ja) | 2018-06-29 | 2019-06-25 | 電動アクチュエータ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018124586A JP7054305B2 (ja) | 2018-06-29 | 2018-06-29 | 電動アクチュエータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020003034A JP2020003034A (ja) | 2020-01-09 |
JP7054305B2 true JP7054305B2 (ja) | 2022-04-13 |
Family
ID=68985039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018124586A Active JP7054305B2 (ja) | 2018-06-29 | 2018-06-29 | 電動アクチュエータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US11408492B2 (ja) |
JP (1) | JP7054305B2 (ja) |
CA (1) | CA3103955A1 (ja) |
WO (1) | WO2020004379A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7379204B2 (ja) * | 2020-02-17 | 2023-11-14 | 日立Astemo株式会社 | 電動パワーステアリング装置用のハウジング |
CN116472419A (zh) | 2020-11-18 | 2023-07-21 | 日立安斯泰莫株式会社 | 电动执行机构以及具备该电动执行机构的车辆用鼓式制动器 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013234735A (ja) | 2012-05-10 | 2013-11-21 | Nsk Ltd | アクチュエータ装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4747319A (en) * | 1985-12-16 | 1988-05-31 | Jidosha Kiki Co., Ltd. | Actuator |
JP5615109B2 (ja) * | 2010-09-14 | 2014-10-29 | 株式会社ツバキE&M | 直線作動機 |
JP2018021638A (ja) * | 2016-08-05 | 2018-02-08 | Ntn株式会社 | 電動アクチュエータ |
JP6333918B2 (ja) | 2016-10-31 | 2018-05-30 | Ntn株式会社 | 電動アクチュエータ |
-
2018
- 2018-06-29 JP JP2018124586A patent/JP7054305B2/ja active Active
-
2019
- 2019-06-25 US US17/251,456 patent/US11408492B2/en active Active
- 2019-06-25 WO PCT/JP2019/025124 patent/WO2020004379A1/ja active Application Filing
- 2019-06-25 CA CA3103955A patent/CA3103955A1/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013234735A (ja) | 2012-05-10 | 2013-11-21 | Nsk Ltd | アクチュエータ装置 |
Also Published As
Publication number | Publication date |
---|---|
WO2020004379A8 (ja) | 2020-10-08 |
WO2020004379A1 (ja) | 2020-01-02 |
US11408492B2 (en) | 2022-08-09 |
US20210246973A1 (en) | 2021-08-12 |
CA3103955A1 (en) | 2020-01-02 |
JP2020003034A (ja) | 2020-01-09 |
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