CN201775734U - Multifunctional electric nursing bed - Google Patents

Multifunctional electric nursing bed Download PDF

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Publication number
CN201775734U
CN201775734U CN201020290950XU CN201020290950U CN201775734U CN 201775734 U CN201775734 U CN 201775734U CN 201020290950X U CN201020290950X U CN 201020290950XU CN 201020290950 U CN201020290950 U CN 201020290950U CN 201775734 U CN201775734 U CN 201775734U
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China
Prior art keywords
bed board
rollover
bed
multifunctional electric
side link
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Expired - Fee Related
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CN201020290950XU
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Chinese (zh)
Inventor
辛绍杰
黄舜
关丽萍
朱振军
林骁雯
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Shanghai Dianji University
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Shanghai Dianji University
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Priority to CN201020290950XU priority Critical patent/CN201775734U/en
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Abstract

The utility model provides a multifunctional electric nursing bed, which comprises a bed plate and a control device, wherein the bed plate includes a lateral turning portion, a back lifting portion and a leg bending portion which act respectively and independently. Flexible parts are arranged at rotary centers of the portions which are correspondingly provided with actuating mechanisms for actuating corresponding action, wherein the actuating mechanisms are driven by respectively corresponding linear push rods. The control device includes a micro control unit (MCU), a storage device and a motor driving device, wherein the MCU outputs control signals to the corresponding motor driving device for controlling a corresponding motor to act. As the flexible parts are arranged near the rotary centers, the flexible parts are driven to cling to the human body by the aid of gravity of the human body, and the integral contact area is expanded. The portions of the bed plate are driven by the linear push rods, actual body turning action is simulated by curves of the connecting rods, and the multifunctional electric nursing bed integrates various functions of leg bending, back lifting and side turning.

Description

Multifunctional electric care bed
Technical field
This utility model relates to the technical field of service robot, and particularly to be used to alleviate the employing connecting rod that the nursing staff nurses intensity multifunctional electric care bed for the flexible bed board of carrying out member relevant for a kind of.
Background technology
Multifunction nursing bed can be at the old people who can't take care of oneself, critical patient, paralytic's specific demand, based on the Human Physiology motion structure, back and shank and health rollover angle that can the regulated at will bed.The nursing staff can control the motion of bed by the controller of bedside, has made things convenient for nursing.Night also can be by the program that configures, and carry out the generation of periodic position converting motion with the prevention decubital ulcer to sufferer, has alleviated nursing staff's burden, has characteristics such as multiple functional, easy to operate, simple for structure, safety height.
At present, electric care bed mainly contain relevant with this utility model: the one, adopt electronic or manual mode to drive the appropriate section motion of bed board by driving-chain, make human body be in seats, posture such as for sleeping in; The 2nd, adopt servomotor to slow down and increase square rear drive linkage through decelerator, drive the appropriate section motion of bed board, realize the conversion of bed person's position; The 3rd, adopt the side link of line handspike drive link mechanism, drive each bed board motion, finish whole functional.
The deficiency of above-mentioned electric care bed existence is: when (1) adopts the side link of linkage to finish actions such as lifting the back of the body, rollover, bent lower limb as driving link, according to ergonomics, usually can be because human body center of rotation and mechanism's rotation be inconsistent, causing human body to have the back when lifting the back of the body, rollover, bent lower limb has extruding or draws the sensation of dragging; The lower leg portion bed board is for being rigidly connected when (2) upsweeping lower limb, and the patient in use is easy to generate the sensation of extruding; (3) adopt driven by servomotor,, cause electric care bed cost too high, be difficult to promote because the price of servomotor is more expensive; (4) function of whole bed is comparatively single, only lifts the back of the body or stands up function, can't satisfy the needs of most patients, and the marketing degree is not high.
Summary of the invention
In view of this, it is a kind of multifunctional electric care bed that this utility model provides, and by flexible piece is set near center of rotation, relies on human body self gravity, makes flexible piece partly press close to the person, increases whole contact area.Utilize linear push rod to drive each bed board, simulate the action of truly standing up by coupler-point curve, collect bent lower limb, lift the back of the body, the multiple function of rollover with all over the body.
For achieving the above object, the technical scheme taked of this utility model is:
A kind of multifunctional electric care bed, comprise bed board and control device.Wherein, bed board be divided into self contained function separately the rollover part, lift back portion and bent shank branch.The center of rotation place of various piece is provided with flexible piece.Various piece is all to there being the actuator of carrying out corresponding actions.Actuator is driven by each self-corresponding linear push rod.Linear push rod comprises motor, worm and worm gear and trapezoidal screw mechanism, and the rotor of motor connects worm and worm gear and trapezoidal screw mechanism respectively.Control device comprises MCU, memorizer and motor driver.Memorizer is connected to MCU.MCU outputs control signals to corresponding motor driver, to control corresponding motor action.
In this utility model, described flexible piece is the bed board along the bending of bed board length direction, and its underpart is supported by each corresponding balanced support frame, realizes the bending of flexible piece by human body self gravity.
In this utility model, described flexible piece comprises the flexible bed board in back of the body middle part, central flexible bed board, the buttocks flexible bed board in middle part and the flexible bed board of shank.
In this utility model, described bed board comprises back of the body left side bed board, back of the body right side bed board, buttocks left side bed board, buttocks right side bed board and foot's bed board, is movably hinged respectively between each bed board and the flexible piece.
In this utility model, the actuator of described rollover part also comprises rollover side link and rollover support link, and an end of described linear push rod is articulated in the rollover support link, and the rollover support link is hinged with the rollover side link.Linear push rod promotes to make rollover actuator partly to drive the bed board rollover and finishes whole motion process.
In this utility model, described actuator of lifting back portion comprises that also lifting the back of the body assists side link, lifts back of the body auxiliary connecting rod, lifts back of the body side link, lifts back of the body support link and lift back of the body master connecting-rod, one end of described linear push rod is articulated in to be lifted the auxiliary side link of the back of the body and lifts back of the body auxiliary connecting rod, lifts back of the body auxiliary connecting rod, lifts the main side link of the back of the body, lifts back of the body support link and lift back of the body master connecting-rod together mutually hinged.Linear push rod promotes to lift the auxiliary side link of the back of the body and lifts back of the body auxiliary connecting rod and makes and lift the motion of back of the body master connecting-rod, thereby makes the back bed board move according to coupler-point curve, this moment central flexible piece through human body gravity, bending forming is finished the whole back of the body action of lifting.
In this utility model, the actuator that described bent shank divides also comprises parallelogram levers group, bent leg connecting rod and bent lower limb side link, one end of described linear push rod is articulated in bent lower limb side link, the middle part of one end of curve connecting rod and parallelogram levers group lower pole is carried out hinged, and the other end and bent lower limb side link are hinged.Realize moving up and down of bed board by linear push-and-pull, reach the function of bent lower limb and following bent lower limb.
In this utility model, described MCU adopts close-loop control mode.The mode of employing closed loop realizes lifting back of the body action and must realize under the prerequisite of left and right horizontal.About the rollover in, by to about the controls of linear push rod of two cover rollover mechanisms, overturn the rollover angle of side rollover mechanism bigger, thereby make three states that form a similar V font in left, center, right of bed board, improve the comfort level of patient when using this function than opposite side.
This utility model changes the deficiency in the existing electric care bed motor function design, improves the comfortableness that nursing bed uses, and reduces the cost of product, and helps multifunctional electric care bed popularization, and its beneficial effect is specific as follows:
(1) changed the deficiency that existing electric care bed motor function designs: the common nursing bed normally adopts the side link of linkage to be used as carrying out member and finishes actions such as lifting the back of the body, rollover, bent lower limb.But according to ergonomics, when finishing above action, usually can cause human body lifting the back of the body because human body center of rotation and mechanism rotate inconsistently by side link, rollover, having the back during bent lower limb has extruding or draws the sensation of dragging.Therefore in this utility model,, rely on human body self gravity near center of rotation by flexible piece is set, make flexible piece partly press close to the person, increase whole contact area, utilize the connecting rod of linkage to drive panel then, simulate the action of truly standing up by coupler-point curve.
(2) change being rigidly connected of existing bent leg-training energy, adopted the method that is flexible coupling, improved patient's comfortableness in use, and had the dual-use function that the bent lower limb in bent lower limb rising back is stopped over.
(3) rollover mechanism adopts the modular structure design, and having solved on the market, part adopts the nursing bed of connecting rod driving bed board can't have the rollover function.Owing to lift back of the body mechanism in this utility model and rollover mechanism all adopts connecting rod to drive bed board, utilize coupler-point curve to cooperate flexible panel to simulate the action of human body when lifting the back of the body and rollover.Yet utilize connecting rod to drive bed board, that bed board must weld cooperation with drive link, both drive link and bed board were moved as one, therefore when using same linear push rod to drive buttocks and back rollover panel, lift unlucky moving back panel and buttocks panel and will interfere phenomenon, so back bed panel and buttocks bed panel just can not drive by same motor, 4 identical four-bar mechanisms of rollover mechanism's employing therefore of the present utility model drive 4 mechanisms respectively by 4 identical mini linear push rods.This utility model designs back and buttocks rollover mechanism respectively as two frameworks.Lifting unluckyly when moving, allowing back rollover framework integral body lift, finishing and wholely lift unlucky movingly, lifting the unlucky interference problem of back panel and buttocks panel moving the time thereby solved with lifting back of the body connecting rod.By with electric-linked mode, reduced the complexity of mechanism, alleviated the weight of whole bed, reduced production cost.
(4) replaced servomotor with linear push rod, used plane hinge mechanism, and drive mechanism, frame, bed board framework etc. adopt metal material and composite manufacturing, hinged selection standard spare screw bolt and nut and bearing pin, greatly reduce production cost, helped the popularization and the industrialization production of product.
Description of drawings
Figure 1 shows that structural representation of the present utility model.
Figure 2 shows that the side view of Fig. 1.
Figure 3 shows that the structural representation of the rollover part among Fig. 1.
Figure 4 shows that rollover of the present utility model part moves sketch map.
Figure 5 shows that the back of the body, the bent lower limb interlock sketch map lifted of the present utility model.
Figure 6 shows that the back portion action sketch map of lifting of the present utility model.
Figure 7 shows that bent shank of the present utility model divides the action sketch map.
Figure 8 shows that the circuit diagram of control device of the present utility model.
The specific embodiment
For above-mentioned and other purpose, feature and advantage of the present utility model can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
In conjunction with Fig. 1~Fig. 7, this utility model provides a kind of flexible piece that has, the song that connecting rod drives rises lower limb, stands up, lifts the multifunctional electric care bed of the back of the body, comprise bed board, play frame bedstead 13, linear push rod, lift carry on the back mechanism, turn on one's side mechanism and bent leg mechanism.Wherein, bed board is made of back bed board, buttocks bed board, foot's bed board and flexible piece.The back bed board is made up of two parts altogether, is respectively back of the body left side bed board 15, back of the body right side bed board 2.The buttocks bed board is made up of two parts altogether, is respectively buttocks left side bed board 14, buttocks right side bed board 5.But foot's bed board 8 is bed boards of an oscilaltion.Flexible piece always has four parts and forms, the flexible bed board 3 in back of the body middle part, central flexible bed board 4, the flexible bed board 6 in buttocks middle part, the flexible bed board 7 of shank, they all can be along the bed board of bed length direction bending, is beneathly supported by each balanced support frame, realizes the case of bending of bed board by human body self gravity.Be movably hinged with screw between above-mentioned each bed board and the flexible bed board.Linear push rod and each mechanism all are arranged at the below of bed board.
As shown in Figure 1, bed board also comprises head board 1 and tailstock plate 9, and the below of bedstead 13 is equipped with castor 12, is convenient to move.Tailstock board mount 11 places are provided with brake pedal 10, in order to the stop motion of control this utility model.
In conjunction with Fig. 3 and Fig. 4, rollover mechanism comprises: the linear push rod 40 of turning on one's side, about rollover bar member, the flexible bed board in middle part, left and right sides bed board and related part bedstead.One end of linear push rod 40 is articulated on the bedstead 13 by rollover linear push rod bearing 39, and the other end is articulated on the rollover member.The other end of rollover member is hinged.Specifically, the rollover member comprises rollover side link I31, rollover side link II32, rollover support link I33, rollover outside framework 34, rollover support link II 35, rollover side link III 36, rollover side link IV 37, rollover horizontal support 38.Rollover horizontal support 38 is dead with the bed board weldering, and the flexible bed board in middle part is hinged with left and right sides bed board, keeps smooth under the level by the horizontal support 38 of turning on one's side.The linear push rod 40 of turning on one's side promotes to make rollover mechanism to drive the bed board rollover and finishes whole motion process.
As shown in Figure 2, lift that back of the body mechanism comprises back rollover frame module 17, lifts back of the body side link I18, lifts back of the body support link 19, lifts back of the body side link II20, lifts back of the body auxiliary connecting rod 21, lifts the auxiliary side link 22 of the back of the body, lifts lineback push rod 23, buttocks rollover frame module 24 and lift the flat gripper shoe 30 of backwater.As shown in Figure 6, lift lineback push rod 23 and promote to lift back of the body auxiliary connecting rod 21 and lift the auxiliary side link 22 of the back of the body and drive and lift the motion of back of the body side link, thereby make the back bed board move according to coupler-point curve, this moment, central flexible piece was through human body gravity, bending forming is finished the whole back of the body action of lifting.
In conjunction with Fig. 2 and Fig. 7, bent leg mechanism comprises: the linear push rod 29 of bent lower limb, bent lower limb side link 28, bent leg connecting rod 27 and parallelogram levers group 26.The two ends of parallelogram levers group 26 are articulated in frame respectively, and it is hinged respectively that the other end and bed board and bed board extend supporting plate.Bent leg connecting rod 27 1 ends and parallelogram levers group 26 lower poles carry out hinged at the middle part, the other end and bent lower limb side link 28 carry out hinged.One end of the linear push rod 29 of song lower limb is hinged with an end that connects bent lower limb side link 28, realizes moving up and down of bed board by linear push-and-pull, reaches the function of bent lower limb and following bent lower limb.
The linear push rod of above-mentioned each mechanism is the power of link gear, is made up of 24V motor, worm and worm gear and trapezoidal screw mechanism.Particularly, the rotor of motor connects worm and worm gear and trapezoidal screw mechanism.In this utility model, linear push rod makes the rotation amplitude of back bed board reach 0 °~70 °, and the rotation amplitude of back side plate plate reaches 0 °~36 °, and the shank bed board rotation amplitude that makes progress is 0 °~30 °, and the amplitude of rotating is 0 °~60 °.
As shown in Figure 8, this utility model also comprises control device, and control device comprises MCU, memorizer and motor driver.Memorizer is connected to MCU, outputs control signals to corresponding 24V motor driver by MCU, to control corresponding 24V motor action.Control device in this utility model adopts the mode of closed loop to realize lifting back of the body action and must realize under the prerequisite of left and right horizontal.About the rollover in, by to about the controls of linear push rod of two cover rollover mechanisms, overturn the rollover angle of side rollover mechanism bigger, thereby make three states that form a similar V font in left, center, right of bed board, improve the comfort level of patient when using this function than opposite side.
Concrete case study on implementation only is a preferable case study on implementation of the present utility model described in this utility model, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of this utility model claim change and modification, all should be as technology category of the present utility model.

Claims (8)

  1. One kind multifunctional electric care bed, comprise bed board, it is characterized in that, described bed board be divided into self contained function separately the rollover part, lift back portion and bent shank branch, the center of rotation place of various piece is provided with flexible piece; Described various piece is all to there being the actuator of carrying out corresponding actions;
    Described actuator is driven by each self-corresponding linear push rod, and described linear push rod comprises motor, worm and worm gear and trapezoidal screw mechanism, and the rotor of motor connects worm and worm gear and trapezoidal screw mechanism respectively;
    The multifunctional electric care bed control device that also comprises, described control device comprises MCU, memorizer and motor driver, described memorizer is connected to MCU; MCU outputs control signals to corresponding motor driver, to control corresponding motor action.
  2. 2. according to claim 1 multifunctional electric care bed, it is characterized in that described flexible piece is the bed board along the bending of bed board length direction, its underpart is supported by each corresponding balanced support frame, realizes the bending of flexible piece by human body self gravity.
  3. 3. according to claim 1 multifunctional electric care bed, it is characterized in that described flexible piece comprises the flexible bed board in back of the body middle part, central flexible bed board, the buttocks flexible bed board in middle part and the flexible bed board of shank.
  4. 4. according to claim 1 multifunctional electric care bed, it is characterized in that described bed board comprises back of the body left side bed board, back of the body right side bed board, buttocks left side bed board, buttocks right side bed board and foot's bed board, is movably hinged respectively between each bed board and the flexible piece.
  5. 5. according to claim 1 multifunctional electric care bed, it is characterized in that, the actuator of described rollover part also comprises rollover side link and rollover support link, and an end of described linear push rod is articulated in the rollover support link, and the rollover support link is hinged with the rollover side link.
  6. 6. according to claim 1 multifunctional electric care bed, it is characterized in that, described actuator of lifting back portion comprises that also lifting the back of the body assists side link, lifts back of the body auxiliary connecting rod, lifts back of the body side link and lift back of the body support link, one end of described linear push rod is articulated in to be lifted the auxiliary side link of the back of the body and lifts back of the body auxiliary connecting rod, lifts back of the body auxiliary connecting rod, lifts back of the body side link and lift back of the body support link together mutually hinged.
  7. 7. according to claim 1 multifunctional electric care bed, it is characterized in that, the actuator that described bent shank divides also comprises parallelogram levers group, bent leg connecting rod and bent lower limb side link, one end of described linear push rod is articulated in bent lower limb side link, the middle part of one end of curve connecting rod and parallelogram levers group lower pole is carried out hinged, and the other end and bent lower limb side link are hinged.
  8. 8. according to claim 1 multifunctional electric care bed, it is characterized in that described MCU adopts close-loop control mode.
CN201020290950XU 2010-08-13 2010-08-13 Multifunctional electric nursing bed Expired - Fee Related CN201775734U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102319157A (en) * 2011-08-22 2012-01-18 南昌大学 Back raising mechanism for nursing wheel chair bed
CN105380762A (en) * 2014-09-05 2016-03-09 深圳市格兰莫尔寝室用品有限公司 Automatically-regulated bed and regulation method thereof
CN105455982A (en) * 2015-12-24 2016-04-06 广州市安埗自动化设备有限公司 Nursing bed and control method thereof
CN105997398A (en) * 2016-07-28 2016-10-12 江苏若博机器人科技有限公司 Wireless single-core three-wheel drive multifunctional electric sickbed
CN106726229A (en) * 2016-12-12 2017-05-31 江苏科技大学 A kind of multifunctional medical nursing bed
CN108309615A (en) * 2018-03-26 2018-07-24 柯文光 It is a kind of to assist the automation sick bed that patient turns over by wireless terminal
CN108578106A (en) * 2018-03-13 2018-09-28 江西德泰科技有限公司 A kind of back of the body leg linkage mechanism of electric bed for medical purpose
CN108992272A (en) * 2018-08-09 2018-12-14 辽宁工程技术大学 A kind of Multi-function bed for recovery nursing
CN110584911A (en) * 2019-09-20 2019-12-20 长春理工大学 Intelligent nursing bed based on prone position recognition

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102319157A (en) * 2011-08-22 2012-01-18 南昌大学 Back raising mechanism for nursing wheel chair bed
CN102319157B (en) * 2011-08-22 2012-11-28 南昌大学 Back raising mechanism for nursing wheel chair bed
CN105380762A (en) * 2014-09-05 2016-03-09 深圳市格兰莫尔寝室用品有限公司 Automatically-regulated bed and regulation method thereof
CN105455982A (en) * 2015-12-24 2016-04-06 广州市安埗自动化设备有限公司 Nursing bed and control method thereof
CN105997398A (en) * 2016-07-28 2016-10-12 江苏若博机器人科技有限公司 Wireless single-core three-wheel drive multifunctional electric sickbed
CN106726229A (en) * 2016-12-12 2017-05-31 江苏科技大学 A kind of multifunctional medical nursing bed
CN108578106A (en) * 2018-03-13 2018-09-28 江西德泰科技有限公司 A kind of back of the body leg linkage mechanism of electric bed for medical purpose
CN108309615A (en) * 2018-03-26 2018-07-24 柯文光 It is a kind of to assist the automation sick bed that patient turns over by wireless terminal
CN108992272A (en) * 2018-08-09 2018-12-14 辽宁工程技术大学 A kind of Multi-function bed for recovery nursing
CN108992272B (en) * 2018-08-09 2020-12-22 辽宁工程技术大学 Multifunctional rehabilitation nursing bed
CN110584911A (en) * 2019-09-20 2019-12-20 长春理工大学 Intelligent nursing bed based on prone position recognition

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Granted publication date: 20110330

Termination date: 20130813