CN109044671A - A kind of fluid pressure type nursing bed - Google Patents
A kind of fluid pressure type nursing bed Download PDFInfo
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- CN109044671A CN109044671A CN201811220331.0A CN201811220331A CN109044671A CN 109044671 A CN109044671 A CN 109044671A CN 201811220331 A CN201811220331 A CN 201811220331A CN 109044671 A CN109044671 A CN 109044671A
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1116—Determining posture transitions
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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- 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
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- 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
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- 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
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/16—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto converting a lying surface into a chair
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nursing (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
A kind of fluid pressure type nursing bed, including at least the bed board being arranged on lathe bed, first bed board of the bed board at least by being flexibly connected each other, second bed board, third bed board and the 4th bed board composition, 4th bed board can rotate so that form the first angle between the 4th bed board and the first stationary plane around third bed board based on the first external force, second bed board can rotate so that form the second angle between the second bed board and the first stationary plane around third bed board based on the second external force, the first form of bed board is limited in the case where increasing the first angle and the second angle, the second form of bed board is limited in the case where increasing the first angle and reducing the second angle；In the case where bed board is switched to the second form by the first form, it can at least change the posture of human body and/or inhibit leaning forward for human body.The present invention can in time predict the trend of leaning forward in the case where user is based on tired reason and generates and lean forward, and then be effectively prevented from caused by user excessively leans forward and fall risk.
Description
Technical field
The present invention relates to nursing device technical field more particularly to a kind of fluid pressure type nursing beds.
Background technique
Currently, nursing bed in the market has two classes: one kind is the transmission of hand-rail type controls connecting rod, and transmission is unstable, not easily-controllable
System, arduously.Another kind of is Electronic control link transmission, and noise is big, and transmission speed is unstable, and expensive, general population can not
Receive.Currently, China human mortality ageing phenomenon is increasingly severe, rhythm of life is fast, more next for the treatment of many old men, patient
More arduous, hospital bed becomes an essential product in many old men life, needs a kind of steady easily-controllable, bed of transmission process
It is nursing hospital bed come the drawbacks of improving operating beds to experience good novel and multifunctional fluid pressure type.
There are many kinds of nursing beds in the prior art, and the Chinese patent of Publication No. CN107397640A discloses a kind of shield
The back lifting and song leg mechanism of bed, including bedstead, bedstead chassis and bed board are managed, by back mobile bed plate component, intermediate chair assembly
With leg movements chair assembly and automatic control device, it is characterised in that: the back mobile bed plate component packet frame, back
Plate, intermediate backrest slide plate, back wing plate, slide plate electric push rod mechanism and back lifting electric push rod mechanism, the leg movements bed
Board group part includes the bed board hinged with bedstead and another bed board being hinged with bed board and the bent leg for driving bent leg device
Electric push rod mechanism, the back lifting electric push rod mechanism, slide plate driving electric push rod mechanism and bent leg electric push rod mechanism are equal
It is electrically connected with automatic control device.The characteristics of invention, is: using the nursing bed, the labour that can substantially reduce nursing staff is strong
Degree, and sitting and lying posture that can be relatively comfortable to bed person.But the nursing bed is poor in the stationarity of transmission, bed person is in back lifting
Comfortable experience can not be obtained during bent leg.Meanwhile caused by the nursing bed can not be effectively prevented human body because of fatigue
Excessively leans forward and fall.
Summary of the invention
Word " module " as used herein describes any hardware, software or combination thereof, is able to carry out and " mould
The associated function of block ".
For the deficiencies of the prior art, the present invention provides a kind of fluid pressure type nursing bed, including at least being arranged on lathe bed
Bed board, the bed board are at least made of the first bed board, the second bed board, third bed board and the 4th bed board that are flexibly connected each other.?
In the case that the third bed board is fixed on the first stationary plane of lathe bed, the 4th bed board can be based on the first external force and around institute
Third bed board is stated to rotate so that form the first angle between the 4th bed board and first stationary plane.Second bed board
Shape between second bed board and first stationary plane can be rotated so that around the third bed board based on the second external force
At the second angle, wherein the first form of bed board is limited in the case where increasing first angle and second angle,
The second form of bed board is limited in the case where increasing first angle and reducing second angle；In bed board by described
In the case that first form is switched to second form, it can at least change the posture of human body and/or inhibit leaning forward for human body.
According to a kind of preferred embodiment, the 4th bed board and second bed board are respectively through at least one supporting mechanism
It is connected to the lathe bed.The supporting mechanism is configured as providing described first in the way of increaseing or decreasing its collapsing length
External force and second external force, wherein supporting mechanism corresponding with the 4th bed board and second bed board stretches
When length increases, the 4th bed board makes first angle in increasing in such a way that the direction for being directed away from ground rotates
Main trend, second bed board make second angle become in reduction in such a way that the direction for being directed away from ground rotates
Gesture.
According to a kind of preferred embodiment, in the case where the bed board is in the first form, the fluid pressure type nursing bed
At least inhibit leaning forward for human body in accordance with the following steps: acquiring shoulders of human body respectively and human waist and back is applied to the 4th bed board
On first pressure data and second pressure data, and acquire the third number pressure that human buttock is applied on the third bed board
According to.Determine that the first pressure data are less than institute less than the first moment of the first given threshold and the second pressure data respectively
The second moment for stating the second given threshold, the difference at first moment and second moment be greater than third given threshold and
In the case that the duration that the second pressure data are less than second given threshold is greater than the 4th given threshold, institute is determined
State the variation tendency of third pressure data, wherein in the case where the third pressure data is in lasting increase, described second
Plate cuts the bed board by first form in the way of being directed away from the direction on ground around third bed board rotation
It is changed to second form.The first pressure being respectively applied to by shoulders of human body, human waist and back and human buttock on bed board
Data, second pressure data and third pressure data carry out comprehensive descision to the posture of human body and adopt compared to existing single data
Collection has higher accuracy in a manner of being judged.First given threshold and the second given threshold can be according to actual uses
Situation be flexibly set so as to the prediction leaned forward with in-advance.For example, the first given threshold can be set to zero with
Indicate that shoulders of human body is disengaged with human body completely, the second given threshold can be set to the threshold value greater than zero to avoid human lumbar
Back just executes subsequent operation after disengaging completely with human body, thus second pressure data present persistently reduce trend and
Just subsequent decision is executed when less than the second given threshold, at this point, the small of the back of human body does not completely disengage bed board actually,
It avoids and executes movement again when human body completely disengages after bed board in excessive forward-lean state with the time caused by inhibiting to lean forward too late.
Meanwhile during human body leans forward, human buttock is applied to the pressure on bed board in increase trend, in third pressure data
In the case that presentation is gradually increased, the change of bed board form is executed directly just to inhibit to lean forward.When the execution of bed board morphologic change
Between point it is identical less than the time point of the second given threshold as second pressure data, and then avoid based on third pressure data again
The postponement of time is executed caused by timing judgement.
According to a kind of preferred embodiment, the fluid pressure type nursing bed inhibits leaning forward for human body according further to following steps:
In the case that the third pressure data is in lasting increase, the 4th bed board is according to being directed away from the direction on ground around described the
The mode of three bed boards rotation is so that the small of the back of human body is contacted with the 4th bed board, wherein in the second pressure data
In the case where greater than second given threshold, second bed board and the 4th bed board are respectively according to reduction second folder
Angle and the mode for reducing first angle make the bed board be switched to second form by first form.Human body
Based on fatigue in state of falling asleep, and then in forward-lean state is continued, the second bed board morphologic change is being executed so that user
Before lifting leg, change the form of the 4th bed board in advance so that the back of human body is in contact with it first, then leg movement is lifted in execution
So that user slowly swings back, avoid that layback amplitude is excessive and impact caused by contacting suddenly with the 4th bed board, in turn
User caused by impact is avoided to wake up with a start.I.e. during inhibiting to lean forward, human body is in the state of falling asleep always, ensure that use
Person has optimal usage experience.
According to a kind of preferred embodiment, the supporting mechanism includes at least support rod and the support for being used to support bed board
Disk, the support plate are arranged on the first end of support rod according to hinged mode, and the second end of support rod is according to hinged
Mode be articulated to the lathe bed, wherein the support rod is configured as increasing or reducing in the way of hydraulic-driven
Its collapsing length, in the increased situation of collapsing length of the support rod, the support rod can be according to around its second end
The mode of rotation drives second bed board and/or the 4th bed board according to the side for being directed away from ground by the support plate
To mode rotated around the third bed board.In the case where the collapsing length of the support rod reduces, the support rod can
By around its second end rotation in the way of by the support plate drive second bed board and/or the 4th bed board according to
It is rotated towards the mode in the direction close to ground around the third bed board.
According to a kind of preferred embodiment, the 4th bed board is included at least with the third bed board according to hinged side
The first main body and the second main body that formula is flexibly connected, in the width direction along lathe bed, first main body and second master
Body is symmetrical arranged according to mode mutually hinged, wherein in the collapsing length of the support rod corresponding with first main body
It increases or reduces, and in the case that the collapsing length of the support rod corresponding with second main body remains unchanged, it is described
First main body can increase or reduce its third between second main body in the way of around second main body rotation
Angle；Or it is increased or reduced in the collapsing length of the support rod corresponding with second main body, and with described first
In the case that the collapsing length of the corresponding support rod of main body remains unchanged, second main body can be according to around described first
The mode of main body rotation increases or reduces the third angle.
According to a kind of preferred embodiment, first bed board, second bed board, the third bed board and the described 4th
Bed board is each other and first main body and second main body are complete in the way of linkwork is arranged each other
At described hinged, wherein the linkwork includes at least the first hinge bar, rolling bearing and support, wherein in the rolling
In the case that bearing is embedded in few two supports respectively to form rolling pair according to two end, first hinge bar is pressed
It is flexibly connected in a manner of forming spherical pair with the rolling bearing according to being embedded in the rolling bearing.The linkwork according to
The mode that the support and first hinge bar are fixed on the bed board is configured.
According to a kind of preferred embodiment, the fluid pressure type nursing bed further includes pressure sensor communicatively coupled with one another
And data processing unit, wherein first pressure sensor and second pressure sensor are arranged on the 4th bed board to divide
Do not acquire the first pressure data and the second pressure data, third pressure sensor be arranged on the third bed board with
Acquire the third pressure data.The data processing unit is configured as being generated in accordance with the following steps for controlling bed board state
The control command of switching: determine the first pressure data less than the first moment of the first given threshold and second pressure respectively
Force data is less than the second moment of second given threshold, is greater than the in the difference at first moment and second moment
The duration that three given thresholds and the second pressure data are less than second given threshold is greater than the 4th given threshold
In the case of, determine the variation tendency of the third pressure data, wherein the case where the third pressure data is in persistently increasing
Under, generate the control command for controlling the switching of bed board form.
According to a kind of preferred embodiment, the fluid pressure type nursing bed further includes being communicatively coupled to the data processing list
The control unit of member, in the case where described control unit is electrically connected with the supporting mechanism, described control unit is configured as
At least change the form of bed board in accordance with the following steps: increasing the collapsing length of corresponding with the 4th bed board support rod so that
4th bed board is rotated according to the direction for being directed away from ground around the third bed board, and make the small of the back of human body with it is described
The contact of 4th bed board, wherein in the case where the second pressure data are greater than second given threshold, second bed board
Make the bed board in the way of reducing second angle and reducing first angle respectively with the 4th bed board
Second form is switched to by first form.
According to a kind of preferred embodiment, the fluid pressure type nursing bed further includes first be mounted on the third bed board
Guardrail, wherein first guardrail include at least guardrail ontology and supporting leg, two ends of supporting leg respectively with the guardrail ontology
It is connected with the third bed board, wherein be provided at least one second guardrail in the way of being slidably connected on the supporting leg.
Advantageous effects of the invention:
(1) driving mechanism of fluid pressure type nursing bed of the invention is driven by hydraulic, and hydraulic transmission mode can be kept away
Exempt from the influence for the angle change that the pressure of bed board is turned down with bed board, so as to which it is flat that transmission is presented in the case where load change
Surely, efficient use state, gives the comfortable usage experience of user.
(2) fluid pressure type nursing bed of the invention can the sitting and lying posture to user of service be monitored, in user of service's base
In the case that tired reason is generated and leaned forward, the trend of leaning forward can be predicted in time, and then be effectively prevented from and make
Fall risk caused by excessively being leaned forward with personnel.
(3) fluid pressure type nursing bed of the invention is by being switched to the second form by the first form by the form of bed board to realize
The lift leg of user of service acts, and further leaning forward and promoting human body for human body can be effectively inhibited during slowly lift leg
To layback and homing.By adjust the 4th bed board in advance so that its contacted with human body after force user of service to lift again
Leg, can be effectively avoided because lift leg amplitude it is excessive caused by user of service swing back excessive velocities caused by wake up with a start suddenly, in turn
Avoid certain danger accident caused by after waking up with a start suddenly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of currently preferred fluid pressure type nursing bed；
Fig. 2 is the side view of currently preferred fluid pressure type nursing bed；
Fig. 3 is the structural schematic diagram of currently preferred supporting mechanism；
Fig. 4 is the attachment structure schematic diagram between currently preferred first main body and the second main body；
Fig. 5 is the partial enlargement diagram of region A in Fig. 4；
Fig. 6 is the attachment structure schematic diagram of currently preferred pressure sensor and bed board；
Fig. 7 is the schematic diagram of the third form of currently preferred fluid pressure type nursing bed；
Fig. 8 is the schematic diagram of the second form of currently preferred fluid pressure type nursing bed；
Fig. 9 is the schematic diagram of the first form of currently preferred fluid pressure type nursing bed；
Figure 10 is the connection relationship diagram of currently preferred first main body and the second main body；With
Figure 11 is the modularization connection relationship diagram of currently preferred each electronic component.
Reference signs list
1: lathe bed 2: bed board 3: supporting mechanism
4: 5: the first guardrail 6 of universal wheel: third guardrail
7: the second guardrail, 8: the first main body, 9: the second main body
10: the first hinge bars 11: rolling bearing 12: support
13: 14: the first hinge hole 15 of fixation hole: pressure sensor
16: data processing unit 17: control unit 18: alarm unit
19: the second hinge bar, 20: the second hinge hole 21: linkwork
22: mattress the 1b: the second stationary plane of the 1a: the first stationary plane
2a: the first the 2b: the second bed board of bed board 2c: third bed board
2d: the four bed board 3a: support plate 3b: support rod
3c: first end 3d: the second end 5a: guardrail ontology
5b: supporting leg 15a: first pressure sensor 15b: second pressure sensor
15c: the 15d: the four sensor 19a of 3rd sensor: first end
19b: the second end the β: the second angle of the α: the first angle
θ: third angle
Specific embodiment
It is described in detail with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of fluid pressure type nursing bed, lathe bed 1, bed board 2 and supporting mechanism 3 are included at least,
Wherein, bed board 2 is fixed on lathe bed in the way of being partially fixed on lathe bed.Supporting mechanism 3 is used for the unlocked of bed board 2
Part on lathe bed is supported.Bed board 2 is connect through supporting mechanism 3 with lathe bed.Preferably, lathe bed 1 with ground face contact
The universal wheel 4 for movable hydraulic formula nursing bed is provided on surface.Universal wheel and lathe bed carry out in the way of it can rotate
Connection can push nursing bed to move in the direction when so that applying external force to lathe bed from any direction.The quantity of universal wheel and
Set-up mode can guarantee that stabilizing to principle carries out flexible setting according to the actual situation.For example, the quantity of universal wheel can be 3
Form a and triangular in shape is configured to guarantee stationarity.Alternatively, the quantity of universal wheel can be for 4 and in rectangle or pros
Shape form carries out the stationarity to guarantee movement.Specifically, lathe bed at least has, there are two opposite to each other and each parallel to ground
First stationary plane 1a and the second stationary plane 1b, at least three universal wheel are fixed on the second stationary plane 1b.
Preferably, referring again to Fig. 1, bed board 2 include at least four be flexibly connected the first bed board 2a, the second bed board 2b,
Third bed board 2c and the 4th bed board 2d, wherein the first bed board, the second bed board, third bed board and the 4th bed board each other according to
Hinged mode is flexibly connected so that it can be rotated each other around its respective hinge joint.For example, the first bed board 2a and
Second bed board 2b is used to support the lower limb of human body, and an end of the first bed board and an end of the second bed board are hinged.Third
Bed board 2c is used to support the buttocks of human body, and an end of third bed board and another end of the second bed board are hinged.4th
Plate 2d is used to support the upper limb of human body, and an end of the 4th bed board and another end of third bed board are hinged.
Preferably, third bed board 2c is arranged on the first stationary plane 1a of lathe bed to remain appearance parallel to the ground
State.First bed board 2a, the second bed board 2b and the 4th bed board 2d pass through supporting mechanism 3 and are supported fixation.It is applied in supporting mechanism 3
In the case where adding the external force for being not parallel to the first stationary plane 1a, the first bed board, the second bed board and the 4th bed board at least can be around them
Respective hinge joint is rotated in the way of towards ground motion or far from ground motion.For example, as shown in Figure 1,
In the case that supporting mechanism 3 corresponding to four bed board 2d applies the first external force to face upward perpendicular to ground, the 4th bed board energy
It is enough to carry out rotating so that its in the way of far from ground around its hinge joint and be presented heeling condition, so with the first stationary plane 1a
Between form the first angle α.The supporting mechanism 3 corresponding to the second bed board 2b applies the feelings of the second active force perpendicular to ground
Under condition, the second bed board can also rotate so that it around its hinge joint and form the second angle β between the first stationary plane.
Preferably, as shown in figure 3, supporting mechanism 3 includes at least support plate 3a and support rod 3b, wherein the shape of support plate
Shape is limited by discoid.On the axially extending direction along support plate, two end faces of support plate respectively with bed board and support rod
Connection.The stability to guarantee connection can be attached between support plate and bed board according to welding, clamping or hinged mode.
The situation so that fixed in support plate is attached between support plate and the first end 3c of support rod according to hinged mode
Under, support rod can be around support disc spins.First bed board, the second bed board and third bed board respectively at least one supporting mechanism
Connection is so that the form of the first bed board, the second bed board and third bed board can be changed.
Preferably, support rod is configured as the work for enabling its length to elongate or shorten in the way of hydraulic-driven
Mode, the second end 3d of support rod is connect according to hinged mode with lathe bed 1 so that support rod can be around the hinge with lathe bed
Contact is rotated.Such as support rod can be hydraulic telescopic rod, be provided with hydraulic system in lathe bed, hydraulic telescopic rod it is another
One end is also connect with hydraulic system simultaneously in the case where being attached with lathe bed according to hinged mode, in hydraulic system to liquid
Press support rod in inject high pressure liquid pressure oil when, hydraulic telescopic rod can the high pressure liquid pressure oil based on injection and extend.In hydraulic pressure system
When system is recycled hydraulic oil, hydraulic telescopic rod just can shorten to restore its initial length.In the support rod of supporting mechanism
Just the first external force for drawing the first bed board, the second bed board and the rotation of third bed board is capable of providing in the case where elongating or shortening
With the second external force.For example, the direction that the 4th bed board is directed away from ground rotates and makes when the collapsing length of supporting mechanism increases
The first angle is obtained to increase.Or second bed board be directed away from ground direction rotate so that the second angle reduce.
Preferably, as shown in Fig. 2, fluid pressure type nursing bed further includes the first guardrail 5, third guardrail 6 and the second guardrail 7,
In, it is separately installed with the first guardrail and third guardrail on the length direction along bed board, is installed in the width direction along bed board
There is the second guardrail.The length direction of bed board refers to the sleeping direction lain of human body.After human body crouches and lies on bed board, the first guardrail is corresponding
Human body head side, third guardrail correspond to human leg side, and the second guardrail corresponds to the both hands two sides of human body.First guardrail,
Three guardrails and the second guardrail form comprehensive cladding to entire bed board and drop from nursing bed to avoid the personnel that lie down are unexpected
Risk.First guardrail 5 at least has guardrail ontology 5a and supporting leg 5b, and the shape of guardrail ontology is limited by plate.At least two
One end of supporting leg is fixed on the surface thereof so that guardrail ontology and branch in the way of perpendicular to the surface of guardrail ontology
Leg constitutes U-shaped.Another end of supporting leg is fixed on third bed board 2c so that supporting leg 5b remains parallel to the ground
Posture.In the case where supporting leg is fixed on third bed board 2c, the plate face of guardrail ontology 5a is in vertical with the plate face of third bed board
State, and on perpendicular to ground direction, guardrail ontology has surface more higher than third bed board so that close to first
When guardrail position placement location is, for example, the article of pillow, it will receive the blocking of the first guardrail and can not fall.Supporting leg and third bed
It can be fastened in the way of threaded connection between plate.For example, being provided with threaded hole on the two sides of third bed board, propping up
Fixation hole is provided on leg, screw is threadedly coupled after passing through the fixation hole on supporting leg with the threaded hole on third bed board, from
And the first guardrail is fixed on third bed board.
Preferably, referring again to Fig. 2, the second guardrail 7 positioned at human body two sides along the extending direction of supporting leg according to can come
The mode for returning sliding is fixed on supporting leg.For example, be provided with sliding block on the second guardrail, it is provided with sliding rail on supporting leg, second
Guardrail is movably connected on supporting leg in such a way that its sliding block is embedded in sliding rail so that the second guardrail can be along the extension side of supporting leg
To moving back and forth.Second guardrail can change its position by way of sliding to adapt to different use demands.For example, flat
When lying, by slide the second guardrail be allowed to be located at position corresponding with shoulders of human body at for prevent turn on one's side fall provide it is maximum
Security protection.As shown in Fig. 2, being moved up in third bed board based on the external force that supporting mechanism applies heeling condition is presented
When, heeling condition can be also presented in human body, and the position of the second guardrail has been no longer able to prevent rollover from falling and providing safety at this time
Protection needs to the left to move the second guardrail so that it is at least corresponding with the e.g. waist location of human body, and then can rise
To the risk for preventing personnel from falling.
Preferably, referring again to Fig. 2, the shape of the second guardrail is limited by U-shaped, two ends of the second guardrail according to about
Third bed board is articulated to third bed board in a manner of mirror symmetry.For example, two ends of the second guardrail pass through ratchet-pair
It is flexibly connected with third bed board.When the latch of ratchet-pair is in occlusive state, the second guardrail can be according to the side far from ground
Formula is rotated clockwise around its end.In the case where the latch occlusive state of ratchet-pair releases, the second guardrail can be according to
Close to ground mode around its end rotated counterclockwise and by the integrally-regulated lower section to bed board of the second guardrail in order to making
Movement of leaving the bed is completed with personnel.The placement for placing the e.g. electronic products such as mobile phone or plate is provided on second guardrail
Frame.Rack can be furthered at a distance from human body according to the second guardrail is rotated clockwise just in order to which user operates or looks into
See electronic product.
In order to make it easy to understand, the working principle of nursing bed is discussed in detail.
As shown in Fig. 2, when user needs to stand up, the 4th bed board can based on the external force that its supporting mechanism applies and around
Its hinge joint is rotated counterclockwise to provide required external force of standing up for user.Specifically, the support corresponding to the 4th bed board
Effect of the bar based on high pressure liquid pressure oil and in the case where extending, the 4th bed board is rotated in the counterclockwise direction around its hinge joint,
While four bed boards rotate counterclockwise, corresponding supporting mechanism is also rotated in the counterclockwise direction around its second end 3d.?
Angle between 4th bed board and ground can be realized by adjusting the collapsing length of support rod.Increase in the length of support rod
When, the angle between the 4th bed board and ground increases, the angle when the length of support rod reduces, between the 4th bed board and ground
Reduce.In the case where the 4th bed board is adjusted to required tilt angle, reduce the length of support rod corresponding with the second bed board
So that the second bed board can rotate counterclockwise around its hinge joint between third bed board, enable the leg of user of service
Bending state is changed by straight configuration.During third bed board rotates counterclockwise, support rod corresponding to the first bed board
It is shunk so that according to the length reduction amount of the support rod of the second bed board according to reducing flux matched mode with the length
One bed board remains posture parallel to the ground in the process of movement.So that both feet can step on the first bed board with
Movement of leaving the bed is executed convenient for user.It is understood that reaching finger to save the first bed board, the second bed board and third bed board
Time needed for fixed posture, the first bed board, the second bed board and third bed board can be performed simultaneously its correspondingly posture change it is dynamic
Make.
Embodiment 2
The present embodiment is the further improvement to embodiment 1, and duplicate content repeats no more.
As shown in Figure 1, in lathe bed width direction, the first bed board 2a, the second bed board 2b, third bed board 2c and/or
Four bed board 2d are each configured to have each other in symmetrical first main body 8 and the second main body 9.Pass through the first main body and the second main body point
Not Zhi Cheng human body different parts.For example, the first main body of the 4th bed board can support the corresponding trunk of the left hand of human body, second
Main body can support the corresponding trunk of the right hand of human body.First main body of the first bed board can support the left foot of human body, and second is main
Body can support the right crus of diaphragm of human body.Preferably, the comfort for increasing nursing bed with mattress 22 is additionally provided on bed board.
Preferably, as shown in figure 4, being followed successively by the first bed board 2a, the second bed board 2b, third bed on direction from left to right
Plate 2c and the 4th bed board 2d, respectively the first corresponding main body is located at upside, and the second main body is located at downside.First main body and the
Two main bodys are attached according to hinged mode each other.Specifically, with the first main body and the second main body of the first bed board 2a
For.It is attached between first main body and the second main body according to hinged mode.For example, the first main body 8 with the second main body 9
The first hinge bar 10 is provided on corresponding side.As shown in figure 5, at least two supports 12 are provided in the second main body, two
The line of a support is parallel with the length direction of entire lathe bed.Fixation hole 13 is provided on support so that rolling bearing 11 can
It is connect in the way of in two end insertion fixation hole with the second main body.The situation in support is fixed in rolling bearing 11
Under, rolling bearing can be rotated using two supports as supporting point around its axis.
Preferably, it referring again to Fig. 5, is provided on rolling bearing for being carried out according to articulated manner and the first hinge bar 10
First hinge hole 14 of connection.The shape of first hinge hole is defined by hollow spherical shape.One end of the first hinge bar 10
Portion is spherical.The end of first hinge bar 10 being spherical can be embedded in the first hinge hole 14 to form spherical pair, be made
Obtaining the first hinge bar can rotate 360 ° in the first hinge hole 14.
Preferably, the first main body and the second main body corresponding to the first bed board, the second bed board and the 4th bed board are by least
One supporting mechanism support is to realize its respective self-movement.For example, as shown in Figure 1, the first main body 8 for being located at left side is being protected
Hold position it is motionless in the case where, supporting mechanism corresponding to the second main body 9 positioned at right side can be according to the side elongated or shortened
Formula enables the second main body to rotate around the hinge joint of itself and the first main body, and then changes between the first main body and the second main body
Third angle theta.For example, third angle can be reduced when the supporting mechanism elongation of the second main body.The supporting mechanism of second main body contracts
In short-term, it is capable of increasing third angle.
Preferably, the first bed board, the second bed board, third bed board and the 4th bed board are each other also according to setting linkwork
21 mode is flexibly connected.Linkwork includes at least the first hinge bar 10, rolling bearing 11 and support 12.By that will prop up
Seat and the first hinge bar, which are separately fixed at, can be realized the installation of linkwork and fixes on different bed boards.For example, at first
The first hinge bar can be set on plate, at least two supports can be set on the second bed board.The line direction of support perpendicular to
The length direction of lathe bed.Alternatively, support can be set on the first bed board, the first hinge bar can be set on the second bed board.
In order to make it easy to understand, the working principle of fluid pressure type nursing bed is discussed in detail.
The case where posture of the heeling condition for adjusting each bed board to change user of service is needed along the length direction of lathe bed
Under, its corresponding supporting mechanism can apply applied external force to bed board by way of the length for changing its support rod.Such as
Shown in Fig. 4, by taking the first main body of the first bed board and the second main body as an example.The support pole length corresponding to the first main body 8 increases
And in the case that the length of support rod corresponding with the second main body 9 remains unchanged, the first main body can be simultaneously around both direction
It is rotated to guarantee its self-movement.Specifically, being supported the external force vertically upward of mechanism application in the first main body
In the case of, the first main body can make adjacent thereto second of the first main body by being located at the rotation of the rolling bearing on the right side of it
Slanted angle is formed between bed board.Second main body can also be by being located at the first hinge bar of downside around the direction perpendicular to lathe bed
Longitudinal axis rotation so that being also capable of forming slanted angle between the first main body and the second main body of the first bed board.The
The independent control of one main body and the second main body enables to nursing bed to be able to carry out turn operation, avoids user of service and crouches for a long time
It lies and same position is made to be continuously in pressured state and generate bedsore risk.
Preferably, the first main body and the second main body can carry out cycle operation or base according to preconfigured operating mode
It works in manually controlling.For example, the first bed board, the second bed board and the 4th bed board can be carried out based on the time cycle of setting
Cycle operation.For example, the first bed board, the second bed board and respective first main body of the 4th bed board and/or the second main body are configured as
The operating mode of next state change is just performed simultaneously at interval of period of time T.Preferably, the first bed board, the second bed board and
At least one is provided on four bed boards for acquiring the pressure sensor 15 of pressure data.The pressure that pressure sensor 15 acquires
Data can be transmitted in the data processing unit 16 being set on lathe bed 1 bent to obtain the time-based variation of pressure in real time
Line.Persistently it is higher than holding for setup pressure value by the pressure that the processing to pressure data can at least obtain same pressure sensor
The continuous time.Under in the case that the duration is more than the time value of setting, the control unit 17 being electrically connected with supporting mechanism 3 can
Control supporting mechanism changes its collapsing length in the form of changing corresponding bed board.Human body can be changed by the change of bed board form
With the contact position of bed board, same position is avoided to be in bedsore risk caused by continuous compression state for a long time.Preferably, it supports
Mechanism is arranged to the operating mode being hydraulically operated.Supporting mechanism can also include liquid booster pump, liquid booster pump and control
Unit 17 processed is electrically connected to be adjusted the working condition of liquid booster pump in it.For example, control unit can pass through control
The mode that liquid booster pump processed generates high-voltage oil liquid changes the collapsing length of coupled support rod.Compared to traditional machine
The mode of tool driving, the collapsing length that telescopic rod is controlled by way of hydraulic-driven enable to bed board during whole operation
It is with good stability.
Embodiment 3
The present embodiment is the further improvement to embodiment 1 and embodiment 2, and duplicate content repeats no more.
Preferably, at least provided at least four pressure sensors on the 4th bed board 2d, wherein the of the 4th bed board
At least two pressure sensors are respectively arranged in one main body 8 and the second main body 9.First pressure sensor 15a is arranged first
The position of the close head of a bed of main body and the second main body is with corresponding with the shoulder position of human body.Second pressure sensor 15b setting exists
The position of the close third bed board of first main body and the second main body is with corresponding with the small of the back of human body.First main body 8 and second is main
Body 9 corresponds respectively to the left half body and right half body of human body.Third bed board 2c corresponds to the hip point of human body.It lies low in user
Or sitting and lying is in the case where on nursing bed, the 4th bed board supports the upper limb of human body, and third bed board supports the buttocks of human body pair and big
Leg, the shank of the second bed board and the first bed board support human body.
Preferably, third sensing is provided on third bed board in the way of the left half body and right half body that respectively correspond human body
Device 15c and the 4th sensor 15d.For example, as shown in figure 4,3rd sensor and the 4th mutual line of sensor are perpendicular to bed
The length direction of body.3rd sensor and the 4th sensor be configured according to mode arranged side by side can acquire respectively left half body and
The active force that right half body applies bed board, and then the pressure data that can be acquired by comparing 3rd sensor and the 4th sensor
Size cases determine currently used personnel whether have inclination be inclined to.For example, the pressure data in 3rd sensor acquisition exists
Persistently it is greater than the pressure data of the 4th sensor acquisition in a period of time, then can tentatively judges that currently used personnel are in and roll
Sitting posture or lying posture state, there is certain inclination to fall risk.
Preferably, fluid pressure type nursing bed further includes the alarm unit 18 for alarm.Alarm unit is configured as detecting
Have to currently used personnel and warns in the way of e.g. sound-light alarm currently used person or the in the case where rolling risk
Tripartite caregiver.Alarm unit can be combined aural and visual alarm.Alarm unit 18 can be flexibly arranged according to the actual situation
On nursing bed.For example, alarm unit can be set on the second guardrail of nursing bed, so as in conspicuous mode to current
User carries out early warning.
Preferably, control unit 17, pressure sensor 15 and alarm unit 18 with data processing unit 16 communicatedly
Coupling.The data-signal of each pressure sensor acquisition can be transmitted to data processing unit and be handled to complete to working as
The judgement of preceding user of service's sitting posture or lying posture.It determines that currently used personnel have in data processing unit and rolls risk or the wind that leans forward
In the case where danger, data processing unit can send the control command switched for controlling bed board form to control unit.To
The form of bed board is correspondingly adjusted by supporting mechanism.Preferably, determine that currently used personnel have side in data processing unit
In the case where risk of inclining or the risk that leans forward, data processing unit can also generate warning trigger signal to control alarm unit execution
Sound-light alarm.
Preferably, as shown in fig. 6, third pressure sensor and the 4th pressure sensor are arranged according to hinged mode
So that it can carry out 360 degree rotation around hinge joint on three bed boards.Specifically, being provided on third bed board for fixing
Second hinge hole 20 of two hinge bars 19.Second hinge bar has the first end 19a being spherical and in disk plane shape
The second end 19b.Second hinge bar can be embedded in the second hinge hole in a manner of forming spherical pair with the according to its first end
Three bed boards are flexibly connected.Second hinge bar is configured to the operating mode of the tilt angle of detection the second end.For example, the
The electrolevel for measuring levelness can be set on two hinge bars.It rotates and makes around its hinge joint in the second hinge bar
It obtains in the case where forming angle between the second end and ground, electrolevel is capable of detecting when the situation of change of tilt angle.
3rd sensor or the 4th sensor are provided on the second end.By the second hinge bar can directly to currently used person whether
Judged in the presence of leaning forward, and then can be effectively prevented to lean forward and fall risk.
Preferably, nursing bed can at least be formed based on the state for changing the 4th bed board and correspond respectively to lie low and sitting and lying
Third form and the first form.If Fig. 7 is under third form, the 4th bed board is fixed with the upper surface of human contact and first
Face 1a is parallel.As shown in figure 9, under the first form, the 4th bed board has with the upper surface of human contact with the first stationary plane
Tilt angle.Under third form, the first angle α is equal to 0 °, and the second angle β is equal to 180 °.To increase the first angle and
Just it can make bed board that the first form be presented in the case where second angle.Or in the feelings for increasing the first angle and smaller second angle
Just it can make bed board that the second form be presented under condition.Form by changing bed board just can accordingly change user's thereon
Posture.
Preferably, it in the case where seat is under the first form, leans forward in accordance with the following steps to currently used personnel
Risk carries out early warning.
S1: data processing unit is based on first pressure sensor 15a, second pressure sensor 15b and third pressure sensing
The pressure data that device 15c is respectively acquired obtains variation tendency of the pressure based on time change.
The first pressure data of first pressure sensor acquisition are the pressure that shoulders of human body applies bed board, and second pressure passes
The second pressure data of sensor acquisition are the pressure that human waist and back applies bed board, the third pressure of third pressure sensor acquisition
Force data is the pressure that human buttock applies bed board.First pressure data, second pressure data and third pressure data are through locating
Real-time change of the pressure value within the time cycle of setting can be intuitively shown after reason in a manner of being, for example, trend chart
Change situation.It can be intuitive to see that variation tendency that pressure increases over time or pressure gradually subtract at any time by trend chart
Small variation tendency.
S2: data processing unit records first moment of the real-time pressure value less than the first given threshold of first pressure data
T1, record second moment T of the real-time pressure value less than the second given threshold of second pressure data2, wherein the first moment with
The difference at the second moment is greater than real-time pressure value the holding less than the second given threshold of third given threshold and second pressure data
In the case that the continuous time is greater than the 4th given threshold, the variation tendency of third pressure data is determined.
Preferably, the first given threshold and the second given threshold can be set to zero.The real-time pressure of first pressure data
Value shows that the shoulder of human body has been disengaged with bed board less than the first given threshold.The real-time pressure value of second pressure data is small
Show that the small of the back of human body has been disengaged with bed board in the second given threshold.In user's sitting and lying on nursing bed, and see
When seeing the e.g. electronic equipment of mobile phone being arranged on third guardrail 7, user is easy to be generated and leaned forward based on fatigue.Not
In the case where being subject to prevention, user is easy to produce the risk for leaning forward and falling.When user is based on fatigue and forward lean,
Leaning forward often has the process that slowly leans forward.Third given threshold can be adjusted according to the time of leaning forward conventional after falling asleep or
Person after the correction of nursing bed based on several times to setting.For example, third given threshold can be set as 30s.Or make for the first time
When with nursing bed, user is allowed to be in sitting and lying after on the nursing bed in the first form, by carrying out microsleep test
Acquisition acquires the first moment and the second moment respectively.The difference at the first moment and the second moment is i.e. as suitable for currently used person
Third given threshold.
Preferably, the first moment T1With the second moment T2Difference be greater than third given threshold show that currently used person has
Trend in the state of falling asleep.The real-time pressure value of second pressure data is greater than the 4th less than the duration of the second given threshold
Through a long time is in the state disengaged with bed board, currently used person's tool to the shoulder and the small of the back that given threshold shows human body
There is very big leaning forward to fall risk.
Preferably, it is determined to whether indeed be in currently used person by the variation tendency to third pressure data
The state of falling asleep is further determined that.For example, human body lean forward make shoulder and back be detached from bed board completely when, the forward swing
It may be that movement is left the bed and clear in consciousness in position or execution in order to adjust the electronic equipment being set on third guardrail
In the case of actively executed by currently used person.In human body during leaning forward, pressed from both sides on human body upper body trunk and third bed board
Angle is in be gradually increased trend, and human body is also in be gradually increased trend to the pressure that third bed board applies.In human body upper body trunk
With the upper surface of third bed board in vertical state in the case where, the pressure that human body applies third bed board reaches maximum rating.Cause
This shows persistently leaning forward for human body in the case where the real-time pressure value of third pressure data is in the variation tendency persistently increased
It is to be generated based on fatigue.
S3: in the case where the real-time pressure value of third pressure data is in lasting increase, control unit 17 controls second
Plate 2b rotates so that nursing bed around third bed board 2c in the way of far from ground and is in the second form.As shown in figure 8, first
Bed board and the second bed board correspond to the leg of human body, and during human body leans forward, gravity center of human body can gradually move forward, in order to guarantee
The balance of body, so that the support force that leg provides is gradually increased.First bed board and the second bed board are in the way of far from ground
Contrary reaction force can be leaned forward with human body to leg application to inhibit leaning forward for human body by carrying out rotation.By changing the
The state of two bed boards can be in the state to lean forward to human body and be modified at least so that the waist of human body can be again at
The state contacted with the 4th bed board.The real-time pressure value of the second sensor acquisition of the 4th bed board is detected in data processing unit
In the case where change, control unit can control the corresponding supporting mechanism of the 4th bed board according to the collapsing length for reducing its support rod
Mode towards rotating to reduce the degree that leans forward of human body close to ground direction.Alternatively, control unit can directly control the 4th
Plate is to be at state parallel to the ground, so that human body lies low on bed board.Preferably, in the third number pressure
In the case where in lasting increase, control unit controls the 4th bed board 2d according to being directed away from the direction on ground around third bed first
The mode of plate 2c rotation is so that the small of the back of human body is contacted with the 4th bed board.When second pressure data are greater than the second given threshold
When show that the 4th bed board comes into full contact with human waist and back.The second bed board 2b and the 4th bed board 2d points of control unit control at this time
Bed board 2 is not made to be switched to the second form by the first form in the way of reducing the second angle β and reducing the first angle α.
By adjust the 4th bed board in advance so that its contacted with human body after force again user of service lift leg, can be effectively avoided
Because user of service caused by lift leg amplitude is excessive swings back and wakes up with a start suddenly caused by excessive velocities, and then avoid causing after waking up with a start suddenly
Certain danger accident.
In order to make it easy to understand, the detailed process fallen that prevents from leaning forward of fluid pressure type nursing bed of the invention is discussed in detail
It states.
As shown in Figure 7, Figure 8 and Figure 9, under third form, human body lies low on bed board, when user of service needs to stand up to sit
In the case where sleeping, control unit controls the first bed board, the second bed board and the 4th corresponding supporting mechanism of bed board and executes movement
And bed board is made to be switched to the first form by third form.Angle under the first form, between the 4th bed board and third bed board
The state excessively to lean forward is in for obtuse angle to avoid human body.Angle between 4th bed board and third bed board can pass through control
Unit processed be artificially adjusted so that currently used personnel can based on its own use habit by the 4th bed board adjust to
The state of the most comfortable.
When user is in sitting and lying posture for a long time, inevitably it is in tired state and makes body in nothing
It gradually leans forward in the state of consciousness, is greater than third given threshold, second pressure data in the difference at the first moment and the second moment
Real-time pressure value be greater than the real-time pressure of the 4th given threshold and third pressure data less than the duration of the second given threshold
In the case that force value is in lasting increase, data processing unit determines that currently used person is in a state of fatigue so that body excessively leans forward
And there is the state for the risk that leans forward, data processing unit feedback signal to control unit is so that control unit can pass through control
Corresponding with the second bed board with the first bed board supporting mechanism execute corresponding actions by by bed board by being switched to second in the form of first
Form.During the morphologic change of the first bed board and the second bed board, the leg of user can be inhibited based on lifting upwards
Body persistently leans forward, and user leg is lifted the small of the back of human body is enabled to contact again with the 4th bed board upwards.
In the case where the small of the back of human body and the 4th bed board contact again, control unit controls the 4th bed board towards ground direction first
The upper limb for rotating so that human body is in lying status.In the case where the 4th bed board and ground keeping parallelism state, control is single
Member continues the lower limb that the first bed board of control and the second bed board rotate so that human body simultaneously towards ground direction and is also at lying type
State, and then complete switching of the nursing bed by the second form to third form.The change of nursing bed form is automatically performed,
In form handoff procedure, based on hydraulic-driven the handoff procedure of form is gently stablized, the use that can be improved human body is relaxed
Adaptive.Meanwhile in form handoff procedure, by the slow lifting of the first bed board and the second bed board so that user and the 4th
After bed board generates contact at leisure, then the 4th bed board is rotated so that user of service is in lying status, so that place will not be waken up with a start
In the user for the state of falling asleep.
It should be noted that above-mentioned specific embodiment is exemplary, those skilled in the art can disclose in the present invention
Various solutions are found out under the inspiration of content, and these solutions also belong to disclosure of the invention range and fall into this hair
Within bright protection scope.It will be understood by those skilled in the art that description of the invention and its attached drawing are illustrative and are not
Constitute limitations on claims.Protection scope of the present invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of fluid pressure type nursing bed includes at least the bed board (2) being arranged on lathe bed (1), the bed board (2) is at least by each other
The first bed board (2a), the second bed board (2b), third bed board (2c) and the 4th bed board (2d) composition, the feature being flexibly connected exist
In, in the case where the third bed board (2c) is fixed on the first stationary plane (1a) of lathe bed (1), the 4th bed board (2d) energy
The 4th bed board (2d) and first stationary plane are enough rotated so that around the third bed board (2c) based on the first external force
It is formed between (1a) the first angle (α), second bed board (2b) can be based on the second external force and around the third bed board (2c)
It rotates so that form the second angle (β) between second bed board (2b) and first stationary plane (1a), wherein
The first form that bed board (2) is limited in the case where increasing first angle (α) and second angle (β),
Increase first angle (α) and limits the second form of bed board in the case where reducing second angle (β)；
In the case where bed board (2) is switched to second form by first form, it can at least change the posture of human body
And/or inhibit leaning forward for human body.
2. fluid pressure type nursing bed as described in claim 1, which is characterized in that the 4th bed board (2d) and second bed board
(2b) is connected to the lathe bed (1) through at least one supporting mechanism (3) respectively, and the supporting mechanism (3) is configured as according to increasing
The mode of its small collapsing length of adding deduct provides first external force and second external force, wherein
Increase with the collapsing length of the 4th bed board (2d) and the corresponding supporting mechanism (3) of second bed board (2b)
When, the 4th bed board (2d) makes first angle (α) in increase in such a way that the direction for being directed away from ground rotates
Trend, second bed board (2b) make second angle (β) be in subtract in such a way that the direction for being directed away from ground rotates
Small trend.
3. fluid pressure type nursing bed as claimed in claim 2, which is characterized in that be in the feelings of the first form in the bed board (2)
Under condition, the fluid pressure type nursing bed at least inhibits leaning forward for human body in accordance with the following steps:
It acquires shoulders of human body respectively and human waist and back is applied to the first pressure data and second on the 4th bed board (2d)
Pressure data, and acquire the third pressure data that human buttock is applied on the third bed board (2c)；
First moment T of the first pressure data less than the first given threshold is determined respectively1It is less than with the second pressure data
Second moment T of second given threshold2, it is greater than third in the difference at first moment and second moment and sets threshold
In the case that the duration that value and the second pressure data are less than second given threshold is greater than the 4th given threshold, really
The variation tendency of the fixed third pressure data, wherein
In the case where the third pressure data is in lasting increase, second bed board (2b) is according to the side for being directed away from ground
The bed board (2) is made to be switched to second shape by first form to the mode rotated around the third bed board (2c)
State.
4. fluid pressure type nursing bed as claimed in claim 3, which is characterized in that the fluid pressure type nursing bed is according further to following steps
Inhibit leaning forward for human body:
In the case where the third pressure data is in lasting increase, the 4th bed board (2d) is according to the side for being directed away from ground
To the mode rotated around the third bed board (2c) so that the small of the back of human body is contacted with the 4th bed board, wherein
In the case where the second pressure data are greater than second given threshold, second bed board (2b) and the described 4th
Bed board (2d) makes the bed board in the way of reducing second angle (β) and reducing first angle (α) respectively
(2) second form is switched to by first form.
5. fluid pressure type nursing bed as claimed in claim 4, which is characterized in that the supporting mechanism (3) includes at least support rod
Support rod is arranged according to hinged mode in (3b) and the support plate (3a) for being used to support bed board (2), the support plate (3a)
On the first end (3c) of (3b), the second end (3d) of support rod (3b) is articulated to the lathe bed according to hinged mode
(1), wherein
The support rod (3b) is configured as increasing or reducing its collapsing length in the way of hydraulic-driven, in the support rod
In the increased situation of the collapsing length of (3b), the support rod (3b) can lead in the way of around the rotation of its second end (3d)
Crossing the support plate (3a) drives second bed board (2b) and/or the 4th bed board (2d) according to the side for being directed away from ground
To mode rotated around the third bed board (2c)；
In the case where the collapsing length of the support rod (3b) reduces, the support rod (3b) can be according to around its second end
(3d) rotation mode by the support plate (3a) drive described second bed board (2b) and/or the 4th bed board (2d) according to
It is rotated towards the mode in the direction close to ground around the third bed board (2c).
6. the fluid pressure type nursing bed as described in one of claim 1 to 5, which is characterized in that the 4th bed board (2d) is at least wrapped
Equal the first main body (8) and the second main body (9) being flexibly connected with the third bed board (2c) according to hinged mode is included, along bed
In the width direction of body, first main body (8) and second main body (9) are symmetrical arranged according to mode mutually hinged,
In,
It is increased or reduced in the collapsing length of the support rod (3b) corresponding with the first main body (8), and with described
In the case that the collapsing length of the corresponding support rod (3b) of two main bodys (9) remains unchanged, first main body (8) can be by
Its third angle (θ) between second main body (9) is increased or reduced according to the mode rotated around second main body (9)；
Or
It is increased or reduced in the collapsing length of the support rod (3b) corresponding with the second main body (9), and with described
In the case that the collapsing length of the corresponding support rod (3b) of one main body (8) remains unchanged, second main body (9) can be by
The third angle (θ) is increased or reduced according to the mode rotated around first main body (8).
7. fluid pressure type nursing bed as claimed in claim 6, which is characterized in that first bed board (2a), second bed board
(2b), the third bed board (2c) and the 4th bed board (2d) each other and first main body (8) and described second
Main body (9) is completed in the way of linkwork (21) are arranged described hinged each other, wherein
The linkwork (21) includes at least the first hinge bar (10), rolling bearing (11) and support (12), wherein described
It is described in the case that rolling bearing (11) is embedded in few two supports (12) respectively to form rolling pair according to two end
First hinge bar (10) according to be embedded in the rolling bearing (11) in a manner of forming spherical pair with the rolling bearing (11)
It is flexibly connected；
The linkwork (21) is fixed on the bed board (2) according to the support (12) and first hinge bar (10)
Mode is configured.
8. fluid pressure type nursing bed as claimed in claim 7, which is characterized in that the fluid pressure type nursing bed further includes communicating with one another
The pressure sensor (15) and data processing unit (16) of ground coupling, wherein
First pressure sensor (15a) and second pressure sensor (15b) are arranged on the 4th bed board (2d) with respectively
The first pressure data and the second pressure data are acquired, third pressure sensor (15c) is arranged in the third bed board
To acquire the third pressure data on (2c)；
The data processing unit (16) is configured as generating the control life for controlling the switching of bed board state in accordance with the following steps
It enables:
First moment T of the first pressure data less than the first given threshold is determined respectively1It is less than with the second pressure data
Second moment T of second given threshold2, it is greater than third in the difference at first moment and second moment and sets threshold
In the case that the duration that value and the second pressure data are less than second given threshold is greater than the 4th given threshold, really
The variation tendency of the fixed third pressure data, wherein
In the case where the third pressure data is in lasting increase, the control command for controlling the switching of bed board form is generated.
9. fluid pressure type nursing bed as claimed in claim 8, which is characterized in that the fluid pressure type nursing bed further includes communicatedly coupling
It is bonded to the control unit (17) of the data processing unit (16), in described control unit (17) and the supporting mechanism (3) electricity
In the case where connection, described control unit (17) is configured as at least changing the form of bed board in accordance with the following steps:
Increase the collapsing length of support rod (3b) corresponding with the 4th bed board (2d) so that the 4th bed board (2d) is pressed
It is rotated according to the direction for being directed away from ground around the third bed board (2c), and makes the small of the back and the 4th bed board of human body
(2d) contact, wherein
In the case where the second pressure data are greater than second given threshold, second bed board (2b) and the described 4th
Bed board (2d) makes the bed board in the way of reducing second angle (β) and reducing first angle (α) respectively
(2) second form is switched to by first form.
10. fluid pressure type nursing bed as claimed in claim 9, which is characterized in that the fluid pressure type nursing bed further includes being mounted on
The first guardrail (5) on the third bed board (2c), wherein first guardrail (5) includes at least guardrail ontology (5a) and props up
Leg (5b), two ends of supporting leg (5b) are connect with the guardrail ontology (5a) and the third bed board (2c) respectively, wherein
At least one second guardrail (7) is provided in the way of being slidably connected on the supporting leg (5b).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011081413.9A CN112168546B (en) | 2018-10-12 | 2018-10-12 | Hydraulic supporting device |
| CN201811220331.0A CN109044671B (en) | 2018-10-12 | 2018-10-12 | Hydraulic nursing bed |
| CN202011081412.4A CN112168545B (en) | 2018-10-12 | 2018-10-12 | Bed body control system and method |
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| CN201811220331.0A CN109044671B (en) | 2018-10-12 | 2018-10-12 | Hydraulic nursing bed |
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| CN202011081413.9A Division CN112168546B (en) | 2018-10-12 | 2018-10-12 | Hydraulic supporting device |
| CN202011081412.4A Division CN112168545B (en) | 2018-10-12 | 2018-10-12 | Bed body control system and method |
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| CN109044671A true CN109044671A (en) | 2018-12-21 |
| CN109044671B CN109044671B (en) | 2020-10-30 |
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| CN201811220331.0A Active CN109044671B (en) | 2018-10-12 | 2018-10-12 | Hydraulic nursing bed |
| CN202011081413.9A Active CN112168546B (en) | 2018-10-12 | 2018-10-12 | Hydraulic supporting device |
| CN202011081412.4A Active CN112168545B (en) | 2018-10-12 | 2018-10-12 | Bed body control system and method |
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| CN202011081413.9A Active CN112168546B (en) | 2018-10-12 | 2018-10-12 | Hydraulic supporting device |
| CN202011081412.4A Active CN112168545B (en) | 2018-10-12 | 2018-10-12 | Bed body control system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112587335A (en) * | 2020-12-30 | 2021-04-02 | 广东博方众济医疗科技有限公司 | Control method for changing one-key chair of nursing bed |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112168546B (en) | 2022-02-11 |
| CN112168546A (en) | 2021-01-05 |
| CN112168545A (en) | 2021-01-05 |
| CN109044671B (en) | 2020-10-30 |
| CN112168545B (en) | 2021-12-21 |
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