WO2013051332A1 - 電動ベッド - Google Patents

電動ベッド Download PDF

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Publication number
WO2013051332A1
WO2013051332A1 PCT/JP2012/069595 JP2012069595W WO2013051332A1 WO 2013051332 A1 WO2013051332 A1 WO 2013051332A1 JP 2012069595 W JP2012069595 W JP 2012069595W WO 2013051332 A1 WO2013051332 A1 WO 2013051332A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor
electric bed
actuator
crank handle
power generator
Prior art date
Application number
PCT/JP2012/069595
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
長岡　浩
佳宜 石橋
和幸 長瀬
孝樹 松本
Original Assignee
パラマウントベッド株式会社
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 パラマウントベッド株式会社 filed Critical パラマウントベッド株式会社
Priority to EP12838567.1A priority Critical patent/EP2752136B1/de
Priority to CN201280003305.7A priority patent/CN103167817B/zh
Publication of WO2013051332A1 publication Critical patent/WO2013051332A1/ja

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/04—Extensible bedsteads, e.g. with adjustment of length, width, height
    • A47C19/045—Extensible bedsteads, e.g. with adjustment of length, width, height with entire frame height or inclination adjustments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/04—Force
    • F04C2270/042—Force radial
    • F04C2270/0421—Controlled or regulated

Definitions

  • the present invention relates to an electric bed, and more particularly to an electric bed capable of moving up and down and raising and lowering even in an emergency such as a power failure.
  • Various types of electric beds have been proposed and used in the past for raising and lowering and raising and lowering the floor using an actuator having a DC motor, a speed reduction mechanism, and a rotation-linear motion conversion mechanism.
  • a controller for operating the DC motor of the actuator using a commercial power source is provided, and a predetermined DC voltage is obtained from the commercial power source by this controller and applied to the DC motor.
  • a predetermined DC voltage is obtained from the commercial power source by this controller and applied to the DC motor.
  • 24V is widely used as the DC voltage.
  • a connecting hole for detachably connecting the end of the crank handle is formed at the rear of the actuator so that the output shaft of the motor can be rotated by a manual handle. ing.
  • a gear transmission mechanism is provided on the main drive shaft from the output shaft of the electric motor to the screw shaft constituting the rotation-linear motion conversion mechanism, and the crank handle is provided in the lateral direction of the main drive shaft.
  • the sub drive shaft which can be connected is comprised.
  • Patent Document 3 the battery described in Patent Document 3 is provided with a battery for supplying power during a power failure.
  • Other documents have proposed a solar cell as a battery.
  • the problem to be solved by the present invention is that the conventional electric bed has a low degree of design freedom including the installation position of the crank handle for manual operation at the time of a power failure or the like.
  • the purpose is to expand the degree.
  • the rotation side of the rotation-linear motion conversion mechanism of the actuator is We propose an electric bed that consists of a DC motor and a speed reduction mechanism, and that selectively supplies power to the DC motor using a controller connected to a commercial power source and a manual generator driven by a crank handle.
  • a plurality of actuators are installed corresponding to the raising and lowering and undulation portions, and the power supply to the DC motor of each of the plurality of actuators is performed by a controller connected to a commercial power source.
  • An electric bed configured to be selectively performed from a common manual power generator via a changeover switch is proposed.
  • the manual power generator stores the DC motor capable of reversible operation and the speed increasing mechanism connected to the rotating shaft of the manual power generator.
  • a crank handle connected to the input shaft of the speed mechanism and a power supply cable connected to the power source side of the DC motor are provided, and a connector that can be connected to the power source side connector of the DC motor is provided at the front end side of the power supply cable.
  • the speed increasing mechanism proposes an electric bed in which the crank handle side is configured as a worm wheel and the DC motor side is configured as a worm, and the worm is configured as a plurality of screws. Propose an electric bed.
  • the present invention proposes an electric bed in which the DC motor and speed increasing mechanism of the manual power generator are the same as those of the actuator DC motor and speed reducing mechanism in the above configuration.
  • the manual power generator proposes an electric bed in which the crank handle is installed at an appropriate position of the operable bed or is detachably supported at an appropriate position of the bed.
  • the DC power of the actuator is fed to the DC motor of the actuator from the commercial power source through the controller, and the floor is moved up and down and undulated. Therefore, the floor controller can be moved up and down and undulated using a remote controller in the same way as a normal electric bed.
  • both the actuator and the manual power generation device provided with the crank handle may be connected by a power supply cable, both the actuator and the manual power generation device are highly flexible.
  • the manual power generator can be installed in a suitable place on the bed, or can be removably supported in a suitable place and can be held by hand during use, making it very easy for the operator to operate the crank handle. it can.
  • the manual power generator may be provided in each case when there are a plurality of places where the floor portion is lifted or lowered, and the connection of the power supply cable to the manual power generator is selected by the connector.
  • the speed increasing mechanism constituting the manual power generator can be greatly reduced in size and weight by being constituted by a worm gear mechanism in which the crank handle side is a worm wheel and the DC motor side is a worm.
  • the worm can be configured as two or more threads, that is, a plurality of threads, and the effect of friction can be reduced by increasing the torsion angle.
  • the number of revolutions required as a power generator is at least 1500 rpm (25 Hz), for example, and the input revolutions possible with a manual device is considered to be close to the limit value of 120 rpm (2 Hz).
  • the speed increase ratio should be 12.5 or more.
  • a manual power generator that satisfies the above-described requirements in size and structure that can be easily operated by increasing the speed ratio and transmission efficiency by using two or more threads as the worm. Can be realized.
  • the direct current motor and the speed increasing mechanism of the manual power generator can be configured in the same manner as the direct current motor and the speed reduction mechanism of the actuator, and thus the cost can be significantly reduced.
  • FIG. 1 is an explanatory view conceptually showing the configuration and operation of an example of a manual power generator used in an electric bed according to the present invention.
  • FIG. 2 is an external view of the main body of an example of the manual power generator used in the electric bed according to the present invention.
  • FIG. 3 is a longitudinal sectional view of an example of a manual power generator used in the electric bed according to the present invention.
  • FIG. 4 is a front view showing a configuration of a DC motor and a speed increasing mechanism which are components of an example of a manual power generator used in the electric bed according to the present invention.
  • FIG. 5 is a plan view showing a configuration of a DC motor and a speed increasing mechanism, which are components of an example of a manual power generator used in the electric bed according to the present invention.
  • FIG. 1 is an explanatory view conceptually showing the configuration and operation of an example of a manual power generator used in an electric bed according to the present invention.
  • FIG. 2 is an external view of the main body of an example of the manual
  • FIG. 6 is a left side view showing a configuration of a DC motor and a speed increasing mechanism which are components of an example of a manual power generator used in the electric bed according to the present invention.
  • FIG. 7 is an explanatory view conceptually showing an embodiment of the electric bed of the present invention.
  • FIG. 8 is an explanatory view conceptually showing another embodiment of the electric bed of the present invention.
  • FIG. 9 is an explanatory diagram conceptually showing a state in which the manual power generator is installed on the bed in the embodiment of the electric bed of the present invention.
  • FIG. 10 is an explanatory view conceptually showing another state in which the manual power generator is installed on the bed in the embodiment of the electric bed of the present invention.
  • FIG. 11 is an explanatory view conceptually showing another embodiment of the electric bed of the present invention.
  • FIG. 12 is an explanatory view conceptually showing still another embodiment of the electric bed of the present invention.
  • reference numeral 1 generally indicates a manual power generator
  • the manual power generator 1 is a reversible DC motor 2.
  • the speed increasing mechanism 4 connected to the rotating shaft 3 is stored in the container 5.
  • a crank handle 7 connected to the input shaft 6 of the speed increasing mechanism 4 and a power supply cable 8 connected to the power source side of the DC motor 2 are provided outside the body 5.
  • a power supply connector 12 that can be connected to a power supply side connector 11 of a DC motor 10 that constitutes an actuator 9 for performing raising and lowering and raising / lowering operations of the floor in the electric bed of the present invention is provided on the distal end side of the power supply cable 8.
  • Reference numeral 13 denotes a power receiving cable
  • 14 denotes a speed reduction mechanism that is a component of the actuator 9.
  • Reference numeral 18 denotes a controller connected to a commercial power source, and a power supply cable 19 from the controller 18 is connected to the DC motor 10 constituting the actuator 9.
  • the body 5 of the manual power generator 1 has a configuration in which a pair of shell bodies divided in the longitudinal direction are coupled with screws (not shown) to support each element in a retracted state.
  • the speed increasing mechanism 4 uses the crank handle 7 side as a worm wheel 15 and projects the input shaft 6 against the worm wheel 15.
  • the dc motor 2 side is configured as a worm 16 that meshes with the worm wheel 15. Since the worm 16 is configured as a double thread and its torsion angle is larger than the friction angle, the worm gear mechanism can be reversibly operated. In such a worm gear mechanism, for example, a large speed increase ratio (reduction ratio) of 1/32 can be easily obtained.
  • a member denoted by reference numeral 17 indicated by a two-dot chain line in the figure indicates a support member for the input shaft 6, the worm wheel 15 and the worm 16.
  • FIG. 7 is an explanatory view conceptually showing an embodiment of the electric bed of the present invention.
  • a floor portion that is rotatably supported by the floor portion support frame 20 and corresponds to the back of the user.
  • 21 shows a configuration in which 21 is rotated by a linear motion member 23 of an actuator 9 connected to a push-up arm 22 provided on the lower side of the rotation fulcrum side.
  • the DC electric motor 10 of the actuator 9 is supplied with DC power from the commercial power source through the controller 18 through the power supply cable 19 to perform the raising and lowering and undulating operation of the floor. Make it. Therefore, the floor controller 2 can be lifted and lowered by using a remote controller in the same manner as a normal electric bed.
  • the controller 18 when the commercial power supply is interrupted, for example, when a person lying on the floor of the bed is prevented from using the remote controller to move the floor up and down and undulate, the controller 18 is used.
  • the manual power generator 1 connects the power supply connector 12 of the power supply cable 8 to the actuator 9 as shown in FIGS. After connecting to the power source side connector 11 of the DC motor 10 to be configured, the device 5 is held and the crank handle 7 is driven to rotate.
  • the rotation of the crank handle 7 is accelerated by the speed increasing mechanism 4 and the electromotive force is generated by rotating the rotor of the DC generator 2.
  • the generated DC power is received from the power supply cable 8 and the connectors 12 and 11. 13 is supplied to the DC motor 10 constituting the actuator 9 through 13 to operate the actuator 9.
  • the floor 21 can be rotated and raised by the push-up arm 22, and the crank handle 7 is rotated in the reverse direction.
  • the floor 21 can be rotated and lowered by the reverse operation to the above.
  • the actuator 9 and the manual power generation device 1 provided with the crank handle 7 may be connected by the power feeding cable 8. Therefore, both the actuator 9 and the manual power generation device 1 have a degree of freedom in their installation. high.
  • the power supply cable 8 can be connected and disconnected without using a connector as shown in FIG.
  • the manual power generator 1 is installed on the end side in the longitudinal direction of the bed so that the crank handle 7 can be operated from the outside of the foot board 24 on the foot side of the bed.
  • the crank handle 7 can be installed from the side of the bed so that it can be operated at the end in the width direction of the bed, or can be installed at an appropriate place on the bed. Or, it is not installed immovably in the proper place of the bed, but it can be detachably supported in the proper place of the bed and can be removed by hand during use, making it very easy for the operator to operate the crank handle 7. be able to.
  • the floor portion to be rotated corresponds to the floor portion 21 and the thigh portion of the user.
  • the manual power generator 1 may be provided at a plurality of locations, in this case, each of the floor portions 21 and 26, or an actuator.
  • the actuator 9 to which the power supply connector 12 is connected is selected, so that the common manual power generator 1 can lift and lower the plurality of positions. Or it can be made to respond
  • the common manual power generator 1 and the DC motors of the plurality of actuators 9 can be easily connected by the power feeding cable 8 using the changeover switch 27.
  • Manual input 10 to 50 [N]
  • Manual input shaft speed 30 to 120 [rpm]
  • Reduction ratio speed increase ratio
  • Number of rotations of rotating shaft 465 to 1860 [rpm]
  • Power generation 10-30 [VA]
  • the speed increasing mechanism 4 constituting the manual power generator 1 is large by being constituted by a worm gear mechanism in which the crank handle 7 side is a worm wheel 15 and the DC motor 2 side is a double threaded worm 16. Therefore, the manual power generator 1 that can satisfy the above-described specifications can be realized by storing the components in the container 5 having a size that can be held by hand. .
  • the manual power generator 1 has the same DC motor 2 and speed increasing mechanism 4 as the DC motor 10 and the speed reducing mechanism 14 of the actuator 9 that performs the raising / lowering and raising / lowering operations of the floor. It can be set as a structure, and a significant reduction in cost can be aimed at by carrying out like this.
  • the electric bed has a high degree of design freedom, including a position of a crank handle that is manually operated in the event of a power failure of the commercial power supply, and has a high performance and safety. It has a feature that it can be provided at a low cost, and is very highly usable as an electric bed for hospitals and homes.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
PCT/JP2012/069595 2011-10-03 2012-08-01 電動ベッド WO2013051332A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12838567.1A EP2752136B1 (de) 2011-10-03 2012-08-01 Elektrisches bett
CN201280003305.7A CN103167817B (zh) 2011-10-03 2012-08-01 电动床

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011219647A JP5665133B2 (ja) 2011-10-03 2011-10-03 電動ベッド
JP2011-219647 2011-10-03

Publications (1)

Publication Number Publication Date
WO2013051332A1 true WO2013051332A1 (ja) 2013-04-11

Family

ID=48043503

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/069595 WO2013051332A1 (ja) 2011-10-03 2012-08-01 電動ベッド

Country Status (4)

Country Link
EP (1) EP2752136B1 (de)
JP (1) JP5665133B2 (de)
CN (1) CN103167817B (de)
WO (1) WO2013051332A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104866004A (zh) * 2015-03-27 2015-08-26 嘉兴礼海电气科技有限公司 无线电动沙发、床用绑定及更换驱动器出入方向的方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103662110B (zh) * 2013-11-25 2015-08-12 杭州电子科技大学 一种空间合作目标运动再现的跨尺度控制实验台
CN108294890B (zh) * 2017-01-12 2024-02-27 上海理工大学 双动型转速可控移位机
CN106579861A (zh) * 2017-02-24 2017-04-26 邢川明 能调卧角的床及其床头靠板装置
CN107669014A (zh) * 2017-02-24 2018-02-09 邢川明 能调卧角的床及其床头靠板装置
JP7109864B2 (ja) * 2018-12-06 2022-08-01 アール・ビー・コントロールズ株式会社 電力供給装置
CN109984512B (zh) * 2019-03-29 2021-08-31 杨松 电动床和电动床的复位方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58196648U (ja) 1982-06-23 1983-12-27 木村寝台工業株式会社 寝台等に於ける床部の昇降用駆動機構
JP2670759B2 (ja) 1995-03-16 1997-10-29 パラマウントベッド株式会社 非常時の操作機能を有する電動アクチュエータ
JP2832908B2 (ja) 1996-01-31 1998-12-09 パラマウントベッド株式会社 電池駆動型兼用の電動式床部起伏機構
JP2000123229A (ja) * 1998-10-16 2000-04-28 Fuji Electric Co Ltd 自動販売機
JP3121100U (ja) * 2006-02-02 2006-04-27 株式会社グルマンディーズ 携帯発電器
JP2006325383A (ja) * 2005-05-20 2006-11-30 Seiyuu:Kk 携帯電話機の充電方法

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FR2769498B1 (fr) * 1997-10-14 1999-12-31 Le Couviour Ets Lit de soins, notamment pour hopital ou institution medicalisee, equipe d'au moins un moteur electrique
DE20013673U1 (de) * 2000-08-09 2001-12-13 Dewert Antriebs Systemtech Möbel
CN2732227Y (zh) * 2004-09-30 2005-10-12 上海美桥商贸有限公司 电动医疗床的驱动装置
JP2007117182A (ja) * 2005-10-25 2007-05-17 Paramount Bed Co Ltd 昇降起伏式電動ベッド
CN200962999Y (zh) * 2006-08-11 2007-10-24 孙权庆 可电动或手摇多用沙发床
CN201609231U (zh) * 2009-12-10 2010-10-20 胜利石油管理局电力管理总公司东区供电公司 电动遥控升降床

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58196648U (ja) 1982-06-23 1983-12-27 木村寝台工業株式会社 寝台等に於ける床部の昇降用駆動機構
JP2670759B2 (ja) 1995-03-16 1997-10-29 パラマウントベッド株式会社 非常時の操作機能を有する電動アクチュエータ
JP2832908B2 (ja) 1996-01-31 1998-12-09 パラマウントベッド株式会社 電池駆動型兼用の電動式床部起伏機構
JP2000123229A (ja) * 1998-10-16 2000-04-28 Fuji Electric Co Ltd 自動販売機
JP2006325383A (ja) * 2005-05-20 2006-11-30 Seiyuu:Kk 携帯電話機の充電方法
JP3121100U (ja) * 2006-02-02 2006-04-27 株式会社グルマンディーズ 携帯発電器

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2752136A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104866004A (zh) * 2015-03-27 2015-08-26 嘉兴礼海电气科技有限公司 无线电动沙发、床用绑定及更换驱动器出入方向的方法

Also Published As

Publication number Publication date
EP2752136A1 (de) 2014-07-09
CN103167817B (zh) 2016-05-11
EP2752136B1 (de) 2016-04-27
JP5665133B2 (ja) 2015-02-04
JP2013078451A (ja) 2013-05-02
CN103167817A (zh) 2013-06-19
EP2752136A4 (de) 2015-02-25

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