JP2009095221A5 - - Google Patents

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Publication number
JP2009095221A5
JP2009095221A5 JP2008069421A JP2008069421A JP2009095221A5 JP 2009095221 A5 JP2009095221 A5 JP 2009095221A5 JP 2008069421 A JP2008069421 A JP 2008069421A JP 2008069421 A JP2008069421 A JP 2008069421A JP 2009095221 A5 JP2009095221 A5 JP 2009095221A5
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JP
Japan
Prior art keywords
cotter
actuator according
actuator
power transmission
housing
Prior art date
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Application number
JP2008069421A
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Japanese (ja)
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JP2009095221A (en
JP5263652B2 (en
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Priority to JP2008069421A priority Critical patent/JP5263652B2/en
Priority claimed from JP2008069421A external-priority patent/JP5263652B2/en
Publication of JP2009095221A publication Critical patent/JP2009095221A/en
Publication of JP2009095221A5 publication Critical patent/JP2009095221A5/ja
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Publication of JP5263652B2 publication Critical patent/JP5263652B2/en
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Claims (11)

被駆動部材を駆動するアクチュエータにおいて、
ハウジングと、
前記ハウジングに取り付けられ、回転軸を有する電動モータと、
前記回転軸に連結されて回転する回転要素と、
前記被駆動部材に連結され、前記回転要素の回転に応じて軸線方向に移動する軸線方向移動要素と、を有し、
前記軸線方向移動要素は、前記被駆動部材を内包しており、且つ前記内外周を連通する貫通溝を形成しており、
前記貫通溝内に挿入されたコッタが、前記被駆動部材に係合することを特徴とするアクチュエータ。
In an actuator that drives a driven member,
A housing;
An electric motor attached to the housing and having a rotating shaft;
A rotating element connected to the rotating shaft and rotating;
An axial movement element coupled to the driven member and moving in the axial direction in accordance with the rotation of the rotation element;
The axial direction moving element includes the driven member, and forms a through groove that communicates the inner and outer circumferences.
An actuator, wherein a cotter inserted in the through groove engages with the driven member.
前記コッタは半月状であり、周方向において切断された環状の抑え部材が、前記貫通構内に挿入された前記コッタを内包するようにして、前記軸線方向移動要素に取り付けられることを特徴とする請求項1に記載のアクチュエータ。   The cotter has a half-moon shape, and an annular holding member cut in a circumferential direction is attached to the axial movement element so as to include the cotter inserted in the penetrating structure. Item 10. The actuator according to Item 1. 環状の抑え部材が、前記貫通溝内に挿入された前記コッタを内包するようにして、前記軸線方向移動要素に取り付けられ、
前記抑え部材は、内外周を貫通する孔又は切欠を有していることを特徴とする請求項に記載のアクチュエータ。
An annular restraining member is attached to the axial movement element so as to enclose the cotter inserted in the through groove,
The actuator according to claim 1 , wherein the holding member has a hole or a notch penetrating the inner and outer peripheries.
前記抑え部材は樹脂製であって、前記ハウジングに対して摺動することを特徴とする請求項2又は3に記載のアクチュエータ。   The actuator according to claim 2, wherein the holding member is made of resin and slides with respect to the housing. 前記被駆動部材は、前記コッタが係合する掛かり溝を有することを特徴とする請求項1〜4のいずれかに記載のアクチュエータ。   The actuator according to any one of claims 1 to 4, wherein the driven member has a hanging groove with which the cotter is engaged. 被駆動部材を駆動するアクチュエータにおいて、
ハウジングと、
前記ハウジングに取り付けられ、回転軸を有する電動モータと、
前記回転軸の回転力を伝達する動力伝達部材と、
前記動力伝達部材を介して回転力を伝達される回転要素と、
前記被駆動部材に連結され、前記回転要素の回転に応じて軸線方向に移動する軸線方向移動要素と、
前記ハウジングに対して前記回転要素を回転自在に支持する軸受とを有し、
前記回転要素の外周に係合したコッタにより、前記軸受と前記回転要素との相対軸線方向移動が阻止されており、前記コッタの少なくとも一部は前記動力伝達部材に内包されていることを特徴とするアクチュエータ。
In an actuator that drives a driven member,
A housing;
An electric motor attached to the housing and having a rotating shaft;
A power transmission member for transmitting the rotational force of the rotary shaft;
A rotating element to which a rotational force is transmitted via the power transmission member ;
An axial movement element coupled to the driven member and moving in the axial direction in response to rotation of the rotation element;
A bearing that rotatably supports the rotating element with respect to the housing;
Relative axial movement of the bearing and the rotating element is prevented by a cotter engaged with the outer periphery of the rotating element, and at least a part of the cotter is included in the power transmission member. Actuator to do.
前記動力伝達部材は、前記コッタの外周の一部のみを包囲することを特徴とする請求項6に記載のアクチュエータ。   The actuator according to claim 6, wherein the power transmission member surrounds only a part of the outer periphery of the cotter. 前記動力伝達部材はギヤであり、前記ギヤに設けた中空円筒部が前記コッタの外周の一部のみを包囲することを特徴とする請求項7に記載のアクチュエータ。   The actuator according to claim 7, wherein the power transmission member is a gear, and a hollow cylindrical portion provided in the gear surrounds only a part of an outer periphery of the cotter. 前記中空円筒部は、前記コッタの軸線方向端部側のみを包囲することを特徴とする請求項7に記載のアクチュエータ。   The actuator according to claim 7, wherein the hollow cylindrical portion surrounds only the axial end portion side of the cotter. 前記中空円筒部には、切欠もしくは孔が形成されていることを特徴とする請求項7に記載のアクチュエータ。   The actuator according to claim 7, wherein the hollow cylindrical portion is formed with a notch or a hole. 前記動力伝達部材は、軸線方向に延在し且つ前記コッタの側面に形成された凹部に係合する凸部を有することを特徴とする請求項6に記載のアクチュエータ。   The actuator according to claim 6, wherein the power transmission member has a convex portion that extends in an axial direction and engages with a concave portion formed on a side surface of the cotter.
JP2008069421A 2007-05-17 2008-03-18 Actuator Active JP5263652B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008069421A JP5263652B2 (en) 2007-05-17 2008-03-18 Actuator

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2007131818 2007-05-17
JP2007131818 2007-05-17
JP2007245147 2007-09-21
JP2007245147 2007-09-21
JP2008069421A JP5263652B2 (en) 2007-05-17 2008-03-18 Actuator

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2012243382A Division JP5545603B2 (en) 2007-05-17 2012-11-05 Actuator

Publications (3)

Publication Number Publication Date
JP2009095221A JP2009095221A (en) 2009-04-30
JP2009095221A5 true JP2009095221A5 (en) 2011-05-12
JP5263652B2 JP5263652B2 (en) 2013-08-14

Family

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Family Applications (2)

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JP2008069421A Active JP5263652B2 (en) 2007-05-17 2008-03-18 Actuator
JP2012243382A Active JP5545603B2 (en) 2007-05-17 2012-11-05 Actuator

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JP2012243382A Active JP5545603B2 (en) 2007-05-17 2012-11-05 Actuator

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5807424B2 (en) * 2010-07-23 2015-11-10 日本精工株式会社 Actuator
JP5866852B2 (en) * 2010-08-18 2016-02-24 日本精工株式会社 Actuator
JP5853616B2 (en) * 2010-11-29 2016-02-09 日本精工株式会社 Actuator and manufacturing method thereof
JP5982291B2 (en) * 2013-01-29 2016-08-31 日本精工株式会社 Toroidal continuously variable transmission
CN106949216B (en) * 2016-01-06 2023-08-01 深圳市兆威机电股份有限公司 Transmission mechanism
WO2018174039A1 (en) * 2017-03-21 2018-09-27 ミネベアミツミ株式会社 Linear actuator
EP3901490B1 (en) * 2020-04-20 2023-03-01 elero GmbH Linear drive
JP7375992B1 (en) 2023-07-20 2023-11-08 日本精工株式会社 Rotary linear motion converter and shift actuator

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JPS62114248U (en) * 1986-01-11 1987-07-21
JP2593328B2 (en) * 1988-03-02 1997-03-26 本田技研工業株式会社 ball bearing
JPH087164Y2 (en) * 1990-12-11 1996-03-04 三輪精機株式会社 Power shift device for transmission operation
JP2000145914A (en) * 1998-11-17 2000-05-26 Tsubakimoto Chain Co Bearing linear actuator with backstop mechanism
JP2000161461A (en) * 1998-11-30 2000-06-16 Nsk Ltd Ball screw type linear actuator
JP4711465B2 (en) * 1999-09-05 2011-06-29 本田技研工業株式会社 Swash plate drive device for swash plate type hydrostatic continuously variable transmission
JP2001200911A (en) * 1999-11-11 2001-07-27 Honda Motor Co Ltd Axial direction positioning structure of member to be fixed
JP2003113917A (en) * 2001-10-04 2003-04-18 Dyadic Systems Co Ltd Motor-driven cylinder
JP2004100931A (en) * 2002-09-13 2004-04-02 Asmo Co Ltd Linear actuator
JP4273779B2 (en) * 2003-01-31 2009-06-03 いすゞ自動車株式会社 Punch press equipment
JP4042820B2 (en) * 2003-09-10 2008-02-06 株式会社ツバキエマソン Electric cylinder
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JP5234249B2 (en) * 2007-03-22 2013-07-10 日本精工株式会社 Actuator

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