JP2014007789A - 電動リニアアクチュエータ - Google Patents
電動リニアアクチュエータ Download PDFInfo
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- JP2014007789A JP2014007789A JP2012139827A JP2012139827A JP2014007789A JP 2014007789 A JP2014007789 A JP 2014007789A JP 2012139827 A JP2012139827 A JP 2012139827A JP 2012139827 A JP2012139827 A JP 2012139827A JP 2014007789 A JP2014007789 A JP 2014007789A
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- JP
- Japan
- Prior art keywords
- housing
- gap portion
- gap
- linear actuator
- curable material
- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2003/1034—Materials or components characterised by specific properties
- C09K2003/1059—Heat-curable materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/068—Containing also other elements than carbon, oxygen or nitrogen in the polymer main chain
- C09K2200/0685—Containing silicon
-
- 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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
- F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
- F16H15/08—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B is a disc with a flat or approximately flat friction surface
- F16H15/14—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B is a disc with a flat or approximately flat friction surface in which the axes of the members are parallel or approximately parallel
-
- 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
- F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
- F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
- F16H15/04—Gearings providing a continuous range of gear ratios
- F16H15/40—Gearings providing a continuous range of gear ratios in which two members co-operative by means of balls, or rollers of uniform effective diameter, not mounted on 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
- 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
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
- Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
- Gear Transmission (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
【解決手段】ハウジング2に対して回転不可に、かつ軸方向移動可能に支持されたねじ軸10とで構成された電動リニアアクチュエータ1において、ハウジング2が、第1のハウジング2aと、その端面に衝合された第2のハウジング2bとからなり、これら第1のハウジング2aと第2のハウジング2bの接合面35、36に、断面略半円形に形成された第1の空隙部37と、これに連通し、断面略三角形に形成された第2の空隙部38が対向配置され、第1の空隙部37にシリコーン系液体ガスケットからなる硬化性材料39が充填されると共に、この硬化性材料39が、第1の空隙部37の体積よりも多く、第1の空隙部37と第2の空隙部38の体積よりも少なく設定されている。
【選択図】図5
Description
図1は、本発明に係る電動リニアアクチュエータの一実施形態を示す縦断面図、図2は、図1のアクチュエータ本体を示す縦断面図、図3は、図1の中間歯車部を示す縦断面図、図4は、図3の変形例を示す要部拡大図、図5は、図1のハウジングの接合部を示す要部拡大図である。
2 ハウジング
2a 第1のハウジング
2b 第2のハウジング
3 入力歯車
3a モータ軸
4、29 中間歯車
4a、29a 中間歯車の内径
4b、29b 歯部
5 出力歯車
6 減速機構
7 駆動軸
8 ボールねじ機構
9 アクチュエータ本体
10 ねじ軸
10a、18a ねじ溝
11、12 袋孔
13、23 転がり軸受
14 キー
15 係止ピン
16 止め輪
17 スリーブ
17a 凹溝
18 ナット
18b ナットの外周面
19 ボール
20 支持軸受
20a シールド板
21 駒部材
22 歯車軸
24 外輪
25 保持器
26 針状ころ
27、28 ワッシャ
30 滑り軸受
35 第1のハウジングの接合面
36 第2のハウジングの接合面
37 第1の空隙部
38 第2の空隙部
39 硬化性材料
50 電動アクチュエータ
51 電動モータ
52 出力軸
53 減速機構
54 ギヤケーシングの開口部
55 ギヤケーシング
56 エンドカバー
57 中間カバー
58 回転位置検出装置
59 ボルト
60 溝部
61 パッキン
D ワッシャの内径
d 支持軸受の内輪外径
Claims (4)
- ハウジングと、
このハウジングに取り付けられた電動モータと、
この電動モータの回転力をモータ軸を介して伝達する減速機構と、
この減速機構を介して前記電動モータの回転運動を駆動軸の軸方向の直線運動に変換するボールねじ機構とを備え、
このボールねじ機構が、前記ハウジングに装着された支持軸受を介して回転可能に、かつ軸方向移動不可に支持され、内周に螺旋状のねじ溝が形成されたナットと、
このナットに多数のボールを介して内挿され、前記駆動軸と同軸状に一体化され、外周に前記ナットのねじ溝に対応する螺旋状のねじ溝が形成され、前記ハウジングに対して回転不可に、かつ軸方向移動可能に支持されたねじ軸とで構成された電動リニアアクチュエータにおいて、
前記ハウジングが、第1のハウジングと、その端面に衝合された第2のハウジングとからなり、これら第1のハウジングと第2のハウジングの接合面が液体の硬化性材料を硬化させることにより密封されていることを特徴とする電動リニアアクチュエータ。 - 前記硬化性材料がシリコーン系液体ガスケットである請求項1に記載の電動リニアアクチュエータ。
- 前記第1のハウジングと第2のハウジングの接合面に、第1の空隙部と、この第1の空隙部に連通する第2の空隙部が対向して形成され、前記第1の空隙部に前記硬化性材料が充填されると共に、充填される硬化性材料が、前記第1の空隙部の体積よりも多く、かつ、前記第1の空隙部と第2の空隙部の体積よりも少なく設定されている請求項1に記載の電動リニアアクチュエータ。
- 前記第1の空隙部が断面略半円形に形成されると共に、前記第2の空隙部が断面略三角形に形成されている請求項3に記載の電動リニアアクチュエータ。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012139827A JP5877763B2 (ja) | 2012-06-21 | 2012-06-21 | 電動リニアアクチュエータ |
| PCT/JP2013/066271 WO2013191066A1 (ja) | 2012-06-21 | 2013-06-12 | 電動リニアアクチュエータ |
| CN201910624194.5A CN110375047A (zh) | 2012-06-21 | 2013-06-12 | 电动直线致动器 |
| KR1020157001393A KR102055838B1 (ko) | 2012-06-21 | 2013-06-12 | 전동 선형 액츄에이터 |
| CN201380032935.1A CN104396124A (zh) | 2012-06-21 | 2013-06-12 | 电动直线致动器 |
| EP13806587.5A EP2866330B1 (en) | 2012-06-21 | 2013-06-12 | Electric linear actuator |
| US14/578,350 US10648545B2 (en) | 2012-06-21 | 2014-12-20 | Electric linear actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012139827A JP5877763B2 (ja) | 2012-06-21 | 2012-06-21 | 電動リニアアクチュエータ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2014007789A true JP2014007789A (ja) | 2014-01-16 |
| JP5877763B2 JP5877763B2 (ja) | 2016-03-08 |
Family
ID=49768665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012139827A Active JP5877763B2 (ja) | 2012-06-21 | 2012-06-21 | 電動リニアアクチュエータ |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10648545B2 (ja) |
| EP (1) | EP2866330B1 (ja) |
| JP (1) | JP5877763B2 (ja) |
| KR (1) | KR102055838B1 (ja) |
| CN (2) | CN110375047A (ja) |
| WO (1) | WO2013191066A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016046939A (ja) * | 2014-08-25 | 2016-04-04 | Ntn株式会社 | 電動アクチュエータ |
| JP2020033934A (ja) * | 2018-08-30 | 2020-03-05 | パナソニックIpマネジメント株式会社 | 電動ポンプ |
| KR20240098277A (ko) * | 2022-12-20 | 2024-06-28 | 피에이치에이 주식회사 | 충전구 도어용 액추에이터 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6779645B2 (ja) * | 2016-03-30 | 2020-11-04 | Ntn株式会社 | 電動アクチュエータ |
| US10774833B2 (en) | 2017-01-11 | 2020-09-15 | James William Bush | Scroll-type machine |
| CN111212994B (zh) * | 2017-11-24 | 2023-05-02 | 加特可株式会社 | 驱动力传递装置 |
| DE102017130073B3 (de) * | 2017-12-15 | 2018-11-22 | Schaeffler Technologies AG & Co. KG | Niveauverstellvorrichtung für ein Kraftfahrzeug |
| JP6841806B2 (ja) * | 2018-10-05 | 2021-03-10 | ファナック株式会社 | 回転力伝達部品 |
| JP2020120574A (ja) * | 2019-01-28 | 2020-08-06 | フスコ オートモーティブ ホールディングス エル・エル・シーHUSCO Automotive Holdings LLC | リニアアクチュエータのシステムと方法 |
| DE102019205972A1 (de) * | 2019-04-25 | 2020-10-29 | Robert Bosch Gmbh | Elektromechanischer Bremsdruckerzeuger für ein hydraulisches Bremssystem eines Fahrzeugs sowie Fahrzeug umfassend einen elektromechanischen Bremsdruckerzeuger |
| US11719044B2 (en) | 2020-03-19 | 2023-08-08 | Canrig Robotic Technologies As | Robotic system including an electrical clamping system |
| US11836018B2 (en) | 2020-03-19 | 2023-12-05 | Canrig Robotic Technologies As | Robotic system including an internal cooling system |
| KR20220100432A (ko) | 2021-01-08 | 2022-07-15 | 삼성전자주식회사 | 로봇용 관절 장치 |
| US12509950B2 (en) | 2022-09-30 | 2025-12-30 | Nabors Drilling Technologies Usa, Inc. | Dual speed linear actuator assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000087643A (ja) * | 1998-09-14 | 2000-03-28 | Mitsuba Corp | 電動モータユニット |
| JP2008228557A (ja) * | 2007-02-13 | 2008-09-25 | Nsk Ltd | アクチュエータ |
| JP2010068559A (ja) * | 2008-09-08 | 2010-03-25 | Mitsuba Corp | 電動アクチュエータ |
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-
2012
- 2012-06-21 JP JP2012139827A patent/JP5877763B2/ja active Active
-
2013
- 2013-06-12 KR KR1020157001393A patent/KR102055838B1/ko active Active
- 2013-06-12 CN CN201910624194.5A patent/CN110375047A/zh active Pending
- 2013-06-12 WO PCT/JP2013/066271 patent/WO2013191066A1/ja not_active Ceased
- 2013-06-12 EP EP13806587.5A patent/EP2866330B1/en active Active
- 2013-06-12 CN CN201380032935.1A patent/CN104396124A/zh active Pending
-
2014
- 2014-12-20 US US14/578,350 patent/US10648545B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000087643A (ja) * | 1998-09-14 | 2000-03-28 | Mitsuba Corp | 電動モータユニット |
| JP2008228557A (ja) * | 2007-02-13 | 2008-09-25 | Nsk Ltd | アクチュエータ |
| JP2010068559A (ja) * | 2008-09-08 | 2010-03-25 | Mitsuba Corp | 電動アクチュエータ |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016046939A (ja) * | 2014-08-25 | 2016-04-04 | Ntn株式会社 | 電動アクチュエータ |
| JP2020033934A (ja) * | 2018-08-30 | 2020-03-05 | パナソニックIpマネジメント株式会社 | 電動ポンプ |
| JP7186342B2 (ja) | 2018-08-30 | 2022-12-09 | パナソニックIpマネジメント株式会社 | 電動ポンプ |
| KR20240098277A (ko) * | 2022-12-20 | 2024-06-28 | 피에이치에이 주식회사 | 충전구 도어용 액추에이터 |
| KR102826080B1 (ko) * | 2022-12-20 | 2025-07-01 | 피에이치에이 주식회사 | 충전구 도어용 액추에이터 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5877763B2 (ja) | 2016-03-08 |
| US20150101428A1 (en) | 2015-04-16 |
| WO2013191066A1 (ja) | 2013-12-27 |
| EP2866330A1 (en) | 2015-04-29 |
| CN110375047A (zh) | 2019-10-25 |
| EP2866330A4 (en) | 2017-06-28 |
| US10648545B2 (en) | 2020-05-12 |
| EP2866330B1 (en) | 2022-09-14 |
| KR102055838B1 (ko) | 2020-01-08 |
| KR20150033657A (ko) | 2015-04-01 |
| CN104396124A (zh) | 2015-03-04 |
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