JP6587679B2 - リニア・アクチュエータ - Google Patents
リニア・アクチュエータ Download PDFInfo
- Publication number
- JP6587679B2 JP6587679B2 JP2017508012A JP2017508012A JP6587679B2 JP 6587679 B2 JP6587679 B2 JP 6587679B2 JP 2017508012 A JP2017508012 A JP 2017508012A JP 2017508012 A JP2017508012 A JP 2017508012A JP 6587679 B2 JP6587679 B2 JP 6587679B2
- Authority
- JP
- Japan
- Prior art keywords
- spindle
- linear actuator
- quick release
- adjusting element
- transmission
- 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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Links
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000004913 activation Effects 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 230000002441 reversible effect Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 description 21
- 238000010168 coupling process Methods 0.000 description 21
- 238000005859 coupling reaction Methods 0.000 description 21
- 230000007246 mechanism Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000000472 traumatic effect Effects 0.000 description 2
- 206010019280 Heart failures Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
Images
Classifications
-
- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/015—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame divided into different adjustable sections, e.g. for Gatch position
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/018—Control or drive mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
-
- 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
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
- F16H25/2454—Brakes; Rotational locks
-
- 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
-
- 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
- H02K7/08—Structural association with bearings
- H02K7/081—Structural association with bearings specially adapted for worm gear drives
-
- 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
- F16H2025/2037—Actuator supports or means for fixing piston end, e.g. flanges
-
- 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
- F16H2025/2071—Disconnecting drive source from the actuator, e.g. using clutches for release of drive connection during manual control
-
- 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
- F16H2025/209—Arrangements for driving the actuator using worm gears
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nursing (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
- Invalid Beds And Related Equipment (AREA)
- Fluid-Damping Devices (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Description
上記搬送面は、背もたれ部6、関節接合された足掛け部7、およびこれらの間の固定中間部8を含む。上記背もたれ部6および足掛け部7は、それぞれリニア・アクチュエータ9,10によって調節可能であり、その結果、上記搬送面は、矢印5で示されるさまざまな外形をとることができる。上記上部フレーム4は、関節接合部11,12によりその各端部において下部フレーム3に連結されている。上記上部フレーム4は、上記関節接合部11,12に連結された1対のアクチュエータ13,14により昇降可能である。上記アクチュエータ9,10,11,12は、本線に接続するための動力電源、再充電可能なバッテリー・パック、およびコントローラを含む制御ボックス15に接続されている。ハンド・コントローラ16のような操作ユニット、手すり17における固定制御パネル、およびアンダーベッド・ライトのような考えられる他の周辺機器が上記制御ボックス15に接続されている。
Claims (5)
- 逆転可能な電動モータ(20)、トランスミッション(21)および非自動ロック型スピンドル(22)を含むリニア・アクチュエータであって、上記電動モータ(20)は上記トランスミッション(21)を介して上記非自動ロック型スピンドル(22)を駆動するとともに、当該リニア・アクチュエータは上記スピンドル(22)上のスピンドル・ナット(23)および回転不能に固定された調節要素(24)を含み、上記調節要素(24)は軸方向に移動可能であるとともに上記スピンドル(22)上の上記スピンドル・ナット(23)に連結されるかまたは一体であり、当該リニア・アクチュエータはさらに上記調節要素(24)を上記逆転可能な電動モータ(20)から連結解除するクィック・リリース(27)を含むとともに上記トランスミッション(21)の一部が上記逆転可能な電動モータ(20)から上記クィック・リリース(27)へ延出していて、上記スピンドル(22)が上記調節要素(24)への荷重下で回転させられるようになっており、かつ、当該リニア・アクチュエータは上記クィック・リリース(27)の起動時、外部荷重下で上記調節要素(24)の速度を制御するためのブレーキ手段を含むものにおいて、上記ブレーキ手段は、外側本体部における液体充填中空部内に配置された内側本体部を含む流体式回転ダンパー(45)で構成されており、一方の本体部が上記スピンドル(22)または上記スピンドル(22)から上記クィック・リリース(27)へ延びる上記トランスミッションの部分と駆動連結状態にあるとともに、上記クィック・リリース(27)の起動の結果として当該本体部が他方の本体部に対して回転させられるとき、上記スピンドル(22)ないし上記調節要素(24)の速度を鈍化させる粘性減衰作用がなされることを特徴とする、リニア・アクチュエータ。
- 逆転可能な電動モータ、トランスミッションおよびスピンドルを含むリニア・アクチュエータであって、上記逆転可能な電動モータはトランスミッションを介して上記スピンドルを駆動するとともに、当該リニア・アクチュエータは、上記スピンドル上のスピンドル・ナットおよび軸方向に移動可能な筒状調節要素(48)を含み、当該筒状調節要素はその後端において上記スピンドル(22)上の上記スピンドル・ナットに連結されており、当該リニア・アクチュエータは上記筒状調節要素(48)の外方端に連結された前部取り付け部(49)および上記筒状調節要素(48)を上記前部取り付け部(49)から連結解除するために上記筒状調節要素(48)の外方端と上記前部取り付け部(49)との間に配置されたクィック・リリースを含んでいて、上記筒状調節要素(48)がこれへの荷重下で回転させられるようになっており、かつ、当該リニア・アクチュエータは上記クィック・リリース(50)の起動時、外部荷重下で上記調節要素(48)の速度を制御するためのブレーキ手段を含むものにおいて、上記ブレーキ手段は、外側本体部における液体充填中空部内に配置された内側本体部を含む回転ダンパー(51)で構成されており、一方の本体部が上記筒状調節要素(48)と駆動連結状態にあるとともに、上記クィック・リリース(50)の起動の結果として当該本体部が他方の本体部に対して回転させられるとき、上記筒状調節要素(48)の速度を鈍化させる粘性減衰作用がなされることを特徴とする、リニア・アクチュエータ。
- 上記スピンドル(22)または上記スピンドル(22)から上記クィック・リリース(27)へ延びる上記トランスミッションの部分と駆動連結状態にある上記本体部が、上記調節要素(24)が上記荷重に対抗して動くときに停止するように、フリー・ホイール式ベアリングが配置されていることを特徴とする、請求項1に記載のリニア・アクチュエータ。
- 上記調節要素(48)と駆動連結状態にある上記本体部が、上記調節要素(48)が上記荷重に対抗して動くときに停止するように、フリー・ホイール式ベアリングが配置されていることを特徴とする、請求項2に記載のリニア・アクチュエータ。
- 上記フリー・ホイール式ベアリングは上記回転ダンパー(45,51)に組み込まれていることを特徴とする、請求項3または4に記載のリニア・アクチュエータ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA201400457 | 2014-08-19 | ||
DKPA201400457 | 2014-08-19 | ||
PCT/DK2015/000034 WO2016026495A2 (en) | 2014-08-19 | 2015-08-19 | Linear actuator |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017525906A JP2017525906A (ja) | 2017-09-07 |
JP6587679B2 true JP6587679B2 (ja) | 2019-10-09 |
Family
ID=54207272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017508012A Active JP6587679B2 (ja) | 2014-08-19 | 2015-08-19 | リニア・アクチュエータ |
Country Status (6)
Country | Link |
---|---|
US (1) | US10153678B2 (ja) |
EP (1) | EP3183475B1 (ja) |
JP (1) | JP6587679B2 (ja) |
CN (1) | CN106659625B (ja) |
DK (1) | DK3183475T3 (ja) |
WO (1) | WO2016026495A2 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105715754B (zh) * | 2014-11-12 | 2017-10-31 | 力纳克传动系统(深圳)有限公司 | 线性传动器系统 |
WO2017024103A1 (en) | 2015-08-04 | 2017-02-09 | Kyntec Corporation | Mechanical spring actuator |
JP6679380B2 (ja) * | 2016-03-30 | 2020-04-15 | Ntn株式会社 | 電動アクチュエータ |
US10292500B2 (en) * | 2016-04-21 | 2019-05-21 | L&P Property Management Company | Quick-exit assembly for reclining furniture |
EP3762629B1 (en) | 2018-03-08 | 2023-11-29 | Linak A/S | Linear actuator |
TWM582549U (zh) | 2018-07-06 | 2019-08-21 | 第一傳動科技股份有限公司 | Linear actuator with buffer mechanism |
AU2019300527A1 (en) | 2018-07-13 | 2021-02-11 | Umano Medical Inc. | System for adjusting a configuration of a patient support apparatus |
EP3870128A1 (en) * | 2018-10-25 | 2021-09-01 | Linak A/S | Actuator system |
USD923677S1 (en) * | 2018-12-19 | 2021-06-29 | Timotion Technology Co., Ltd. | Linear actuator |
DE102019105560A1 (de) * | 2019-03-05 | 2020-09-10 | Ewellix AB | Linearantrieb |
WO2020182258A1 (en) | 2019-03-13 | 2020-09-17 | Linak A/S | Linear actuator |
CN117383486A (zh) * | 2019-04-05 | 2024-01-12 | 奥斯克什公司 | 升降车 |
DE202019103359U1 (de) * | 2019-06-14 | 2020-09-15 | Dewertokin Gmbh | Linearantrieb mit Kupplung |
DE202019103358U1 (de) * | 2019-06-14 | 2020-09-15 | Dewertokin Gmbh | Linearantrieb |
USD956118S1 (en) * | 2019-11-18 | 2022-06-28 | Dewertokin Kft | Fitting for furniture |
USD944302S1 (en) * | 2020-05-21 | 2022-02-22 | Linak A/S | Linear actuator |
TWD219249S (zh) * | 2020-05-21 | 2022-06-11 | 丹麥商林納克公司 | 線性致動器 |
TWD215723S (zh) * | 2020-05-21 | 2021-12-01 | 丹麥商林納克公司 | 線性致動器 |
US11525497B2 (en) * | 2020-05-22 | 2022-12-13 | Hti Technology And Industries, Inc. | Linear actuating member driven by a rotating helix |
DE102020118449A1 (de) * | 2020-07-13 | 2022-01-13 | Ewellix AB | Linearaktuator, Gehäuse, Betätigungssystem und Zusammenbauverfahren |
USD919683S1 (en) * | 2021-02-23 | 2021-05-18 | Timotion Technology Co., Ltd. | Linear actuator |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5329657A (en) * | 1992-10-21 | 1994-07-19 | Stryker Corporation | Quick release coupling for head section of a hospital bed |
JP3421484B2 (ja) * | 1995-09-01 | 2003-06-30 | 株式会社ニフコ | 回転ダンパー |
DK151096A (da) * | 1996-12-23 | 1998-07-17 | Linak As | Lineær aktuator |
EP1322876B1 (en) * | 2000-10-03 | 2005-08-10 | Linak A/S | A linear actuator |
DK174879B1 (da) * | 2001-10-03 | 2004-01-19 | Linak As | Aktuator |
WO2007037214A1 (ja) * | 2005-09-28 | 2007-04-05 | Mitsuba Corporation | リニアアクチュエータ |
TWM296325U (en) * | 2005-12-27 | 2006-08-21 | Jaeger Ind Co Ltd | Linear transmission device with quick-release function |
GB0618572D0 (en) | 2006-09-21 | 2006-11-01 | Goodrich Actuation Systems Ltd | Actuator |
JP5225599B2 (ja) * | 2007-03-30 | 2013-07-03 | 株式会社ミツバ | ベッド用リニアアクチュエータ |
ES2400869T3 (es) * | 2008-01-12 | 2013-04-15 | Linak A/S | Accionador lineal |
US8567011B2 (en) * | 2008-11-14 | 2013-10-29 | Joseph Talpe | Door closing mechanism |
US8091444B2 (en) * | 2009-10-06 | 2012-01-10 | T-Motion Technology Co. Ltd. | Transmission mechanism having deceleration function |
JP5738884B2 (ja) * | 2009-12-04 | 2015-06-24 | リナック エー/エス | リニアアクチュエータ |
FR2976040B1 (fr) * | 2011-06-06 | 2015-05-22 | Messier Bugatti Dowty | Actionneur telescopique. |
TWI577901B (zh) * | 2015-06-22 | 2017-04-11 | 第一傳動科技股份有限公司 | 用於電動缸馬達的制動裝置 |
-
2015
- 2015-08-19 US US15/504,986 patent/US10153678B2/en active Active
- 2015-08-19 EP EP15771504.6A patent/EP3183475B1/en active Active
- 2015-08-19 CN CN201580044111.5A patent/CN106659625B/zh active Active
- 2015-08-19 JP JP2017508012A patent/JP6587679B2/ja active Active
- 2015-08-19 DK DK15771504.6T patent/DK3183475T3/da active
- 2015-08-19 WO PCT/DK2015/000034 patent/WO2016026495A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US10153678B2 (en) | 2018-12-11 |
CN106659625A (zh) | 2017-05-10 |
DK3183475T3 (en) | 2020-01-27 |
CN106659625B (zh) | 2019-06-18 |
US20170331350A1 (en) | 2017-11-16 |
JP2017525906A (ja) | 2017-09-07 |
WO2016026495A3 (en) | 2016-04-07 |
EP3183475B1 (en) | 2019-10-30 |
WO2016026495A2 (en) | 2016-02-25 |
EP3183475A2 (en) | 2017-06-28 |
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