CN114099184A - Nursing bed and operation method thereof - Google Patents

Abstract

The present application relates to a care bed and a method of operating the same. The nursing bed comprises: the bed body comprises a bed head, a bed tail, a first side rod and a second side rod which are respectively arranged on two sides, and a bed surface which is formed by enclosing the bed head, the bed tail and the first side rod and the second side rod; the lifting mechanism is fixedly arranged on the bed body, and output ends vertically extend upwards from four corners of the bed body to execute a lifting function; the first and the second rotating pipes are rotatably supported on the output ends of the paired lifting mechanisms on the corresponding side along the extension direction of the first side rod of the bed body; and first and second motors coaxially connected to the first and second rotary pipes, respectively, to drive the first and second rotary pipes to rotate. The first and second rotating pipes are driven by the first and second motors, respectively, to wind the sheet around the outer wall thereof. The first and second rotary pipes are lifted and lowered in accordance with the lifting and lowering of the lifting mechanism. The lift mechanism, the first and second motors are electrically connected to and controlled by the controller. The nursing bed of the application can be applied to various medical beds.

Description

Nursing bed and operation method thereof

Priority declaration

The present application claims priority of chinese patent application No.2020108607145 entitled "a novel auxiliary turn-over device and method of operation thereof" filed on 25.8.2020.

Technical Field

The present application relates to medical devices, and in particular, to a nursing bed and a method of operating the same.

Background

Postoperative patients and patients lying in bed for a long time all need to turn over the body regularly, and postoperative patients promote the healing of wound through turning over the body, and the patient that lies in bed for a long time need avoid appearing blood circulation unsmooth, local anesthesia and the phenomenon such as bedsore because of the long-term extrusion of health through turning over the body, consequently needs a device that can assist the body to turn over.

The existing turnover assisting device has the following problems:

1) the structure is complex, the occupied space is large, and the cost investment is high;

2) the application range is small, and the bed body structure matched with the bed body structure needs to be customized for matching;

3) the operation steps are complex, and a lot of steps and time are needed for turning over once, so that the aim of simply turning over is difficult to realize.

Disclosure of Invention

The technical problem that this application will be solved is to develop a nursing bed that installs simple and conveniently, simple structure, and occupation space is little, is applicable to the self-service of not unidimensional, not isostructure and stands up.

To solve the above technical problem, according to an aspect of the present application, there is provided a nursing bed including: the bed body comprises a bed head, a bed tail, a first side rod and a second side rod which are respectively connected with the bed head and the bed tail on two sides, and a bed surface which is formed by enclosing the bed head, the bed tail, the first side rod and the second side rod; the lifting mechanism is fixedly arranged on the bed body, and output ends vertically extend upwards from four corners of the bed body to execute a lifting function; the first rotating pipe is rotatably supported on the output ends of the paired lifting mechanisms on the corresponding side along the extension direction of the first side rod of the bed body; the second rotating pipe is rotatably supported on the output ends of the paired lifting mechanisms on the corresponding side along the extension direction of the second side rod of the bed body; the first motor is coaxially connected with the first rotating pipe so as to drive the first rotating pipe to rotate; and a second motor coaxially connected with the second rotary pipe to drive the second rotary pipe to rotate. The first rotating pipe and the second rotating pipe are driven by the first motor and the second motor respectively to enable the outer wall of the first rotating pipe and the second rotating pipe to be wound on the bed sheet through the connecting piece. The first rotating pipe and the second rotating pipe are lifted along with the lifting mechanism. The lift mechanism, the first motor, and the second motor are electrically connected to and controlled by the controller to operate.

According to an embodiment of the present application, the nursing bed may further include a first rotating mechanism disposed on the first rotating tube and a second rotating mechanism disposed on the second rotating tube. The first rotating mechanism and the second rotating mechanism are respectively and fixedly connected with the first rotating pipe and the first rotating motor and the second rotating pipe and the second motor through rotating connecting pieces.

According to embodiments of the application, the lifting mechanism may be hydraulically driven or may be driven by an electric motor.

According to the embodiment of the application, the lifting mechanism can be lifters arranged at four corners of the bed body and driven respectively.

According to an embodiment of the application, the lifting mechanism is synchronously driven at two corners of the head of the bed and synchronously drivable at two corners of the foot of the bed. Or the two angles on one side of the bed body in the lifting mechanism can be synchronously driven, and the two angles on the other side of the bed body can be synchronously driven.

According to an embodiment of the present application, the nursing bed may further include a first sensor provided on the first rotating mechanism to recognize a motion state of the first motor, and a second sensor provided on the second rotating mechanism to recognize a motion state of the second motor.

According to an embodiment of the present application, the controller may receive signals from the first and second sensors, and control rotation of the first and second motors and elevation of the elevation mechanism in a manual or automatic manner.

According to the embodiment of the application, the controller can be in wireless communication with a remote controller or a mobile phone APP.

According to an embodiment of the present application, the nursing bed may further include an adhesive means provided on the outer walls of the first and second rotating pipes to be combined with the bed sheet. The bonding means may comprise hook and loop fasteners or quick-action clips.

According to another aspect of the present application, there is provided a method of operating a care bed, comprising the steps of: 1) winding the side edge of the bed sheet on the tube walls of the first rotating tube and the second rotating tube; 2) a user inputs an operation instruction for turning over through the controller; 3) the controller controls the first motor and the second motor to rotate so as to straighten the bed sheet; 4) the controller controls the output end of the lifting mechanism to ascend so as to drive the first rotating pipe and the second rotating pipe to ascend; 5) one of the first rotating pipe and the second rotating pipe loosens the winding of the bed sheet, and the other of the first rotating pipe and the second rotating pipe further winds the bed sheet so as to realize the inversion of the human body on the bed sheet; 6) the controller controls the lifting mechanism to descend so that the bed sheet and the human body on the bed sheet return to the plane of the bed body.

According to an embodiment of the present application, the method of operating a care bed may further include: 7) the motion state of the first rotating motor is monitored by the first sensor, the motion state of the second rotating motor is monitored by the second sensor, and a detection signal is sent to the controller, so that the controller automatically controls the human body on the bed sheet to turn over along with the motion of the bed sheet.

Compared with the prior art, the application can realize the following beneficial effects:

1. according to the nursing bed and the operation method thereof, the lifting mechanism and the rotating mechanism are adopted to be matched with the bed sheet wound on the rotating pipe, so that a person with mobility disability can be assisted to turn over, bedsores caused by long-term bed lying of the person with mobility disability can be avoided, the structure is simple, the nursing bed is suitable for different bed bodies, and the installation is simple and convenient;

2. the nursing bed and the operation method thereof have the advantages that the nursing bed is in modular design, occupies a small space and is convenient to transport;

3. the nursing bed and the operation method thereof are suitable for bed bodies with different sizes and structures, can be assembled and spliced on site, and are simple and convenient to install;

4. the nursing bed and the operation method thereof have the advantages of simple structure, ingenious design and remarkable effect;

5 the nursing bed and the operation method thereof related to this application, it is simple to make, easily processing and assembly, with low costs, the practicality is strong, is fit for promoting on a large scale.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below, and it is apparent that the drawings in the following description only relate to some embodiments of the present application and are not limiting on the present application.

FIG. 1 is a perspective view of a nursing bed;

FIG. 2 is a schematic top view of the structure of the nursing bed;

FIG. 3 is a schematic connection diagram of the lifting mechanism, the rotating tube, the one-way joint and the drawable rotating mechanism in the nursing bed;

FIG. 4 is a first schematic view of the nursing bed in a half-lying state;

FIG. 5 is a second schematic view of the nursing bed in a semi-reclined state;

FIG. 6 is a first schematic view of the nursing bed in a turning-over state;

fig. 7 is a schematic diagram II of the nursing bed in a turning state.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings of the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the application without any inventive step, are within the scope of protection of the application.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and claims of this patent application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

Fig. 1 is a perspective view of a nursing bed, fig. 2 is a top view of the nursing bed, fig. 3 is a schematic view of the connection of a lifting mechanism, a rotating tube, a one-way joint and a drawable rotating mechanism in the nursing bed, fig. 4 is a schematic view of the nursing bed in a half lying state, fig. 5 is a schematic view of the nursing bed in a half lying state, fig. 6 is a schematic view of the nursing bed in a turning state, and fig. 7 is a schematic view of the nursing bed in a turning state.

As shown in fig. 1 to 7, a nursing bed according to an embodiment of the present application includes a bed body 8, a lifting mechanism 1, a rotating mechanism 3, and a rotating tube (a first rotating tube and a second rotating tube) 5.

The lifting mechanism 1 can be provided with 4 independent drives, and is respectively fixedly arranged at the head and the tail end of the bed of two side rods of the bed body 8 through the mounting clamp plates 11, and the number of the lifting mechanism 1 can be 1 or 2 as an option. When the lifting mechanism 1 is one, 4 output ends extend upwards from four bed corners of the bed body 8 through the transmission mechanism. When the number of the lifting mechanisms 1 is two, one of the lifting mechanisms extends upwards to form a pair of output ends at two bed corners (the head end and the tail end) of one side of the bed body 8, and the other lifting mechanism extends upwards to form another pair of output ends at two bed corners of the other side of the bed body 8. Or, when there are two lifting mechanisms 1, one of them extends a pair of output ends upwards on two corners at the head end of the bed body 8, and the other extends a pair of output ends upwards on two corners at the tail end of the bed body 8. Those skilled in the art can flexibly select the design according to the needs, and the application is not limited to this.

The rotating pipe 5 can include a first rotating pipe and a second rotating pipe which are arranged in parallel with each other along two sides of the bed body 8, the first rotating pipe and the second rotating pipe are respectively arranged above two side rods of the bed body 8, a bed sheet 9 is wound between the two rotating pipes 5, two ends of the rotating pipe 5 are respectively connected and fixed with the output end of the lifting mechanism 1, one end of the rotating pipe is provided with a rotating mechanism 3, the rotating mechanism 3 comprises a rotating connecting piece 32 and a rotating motor (a first motor and a second motor) 31 for driving the rotating pipe 5 to rotate, and the rotating motor 31 is fixedly connected with the rotating pipe 5 through the rotating connecting piece 32. The first rotary pipe and the second rotary pipe may be rigid pipes which are not bendable, or may be a combination of two or more pipes with a hinge connection at a predetermined position. The hinged connection may be a one-way joint, as described in more detail below.

Further, bed body 8 can be including the back board, the leg rest board and/or the footrest that have angle modulation, and its angle modulation accessible manual or automatically regulated realizes, when bed body 8 is the angle of automatically regulated back board, leg rest board and/or footrest, carries out angle modulation through the electronic pole of being connected with back board, leg rest board and/or footrest.

Further, the nursing bed according to the embodiment of the present application may further include a clutch switching mechanism 2, a movable mechanism 4, a one-way joint 6, and a drawable rotating mechanism 7. The rotating pipe 5 is divided into a plurality of sections and connected through a one-way joint 6, and two drawable rotating mechanisms 7 are respectively arranged at the other end of the rotating pipe (a first rotating pipe and a second rotating pipe) 5. The movable mechanism 4 is provided on the backrest plate. The clutch switching mechanism 2 may include a first clutch and a second clutch, and the rotary tube 5 may be locked or unlocked with the movable mechanism 4 and the lifting mechanism 1 provided at the head of the bed through the first clutch and the second clutch, respectively. The drawable rotating mechanism 7 is fixedly arranged with the lifting mechanism 1 arranged at the bed tail. Alternatively, the drawable rotation mechanism 7 may be disposed at an end of the rotary tube 5 near the head of the bed, and the drawable rotation mechanism 7 may be locked or unlocked with the movable mechanism 4 and the lifting mechanism 1 disposed at the head of the bed through the first clutch and the second clutch, respectively. Meanwhile, the rotating mechanism 3 is fixedly arranged with the lifting mechanism 1 arranged at the tail of the bed.

Further, as shown in fig. 3, in the case where the first and second rotary pipes are bendable, the drawable rotary mechanism 7 may include a drawable motor 71, a mounting bracket 72, a connecting shaft 73, a trapezoidal screw 74, a wire rope 75, a spring 76, and a drawable guide post 77. Set up trapezoidal lead screw 74 in the rotatory pipe 5 that is close to but pull rotary mechanism 7 one end, set up spring chamber and the pull guide post 77 that holds spring 76 in the rotatory pipe 5 that is close to rotary mechanism 3 one end, the one end and the 6 butt of one-way festival of spring 76, the other end is connected with pull guide post 77, the one end in spring chamber is equipped with the direction mouth that supplies pull guide post 77 to pass through, pull motor 71 passes through connecting axle 73 and is connected with trapezoidal lead screw 74, trapezoidal lead screw 74 is connected with wire rope 75, wire rope 75 passes one-way festival 6 and spring chamber in proper order and is connected fixedly with pull guide post 76, but pull rotary mechanism 7 is fixed with elevating system 1 that the tailstock of bed body 8 set up through installing support 72. The drawing guide post is preferably ejected by a spring, but the spring is not limited to the case that the guide post is ejected by the spring. The locking of the one-way joint to keep the rotating pipe in the same horizontal direction can be realized in various ways, for example, a clutch mechanism can be adopted to replace the one-way joint to keep rigidity, and the one-way joint can be separated when being bent; or adopt spring catch mechanism, when back or shank need do the angular rotation, trigger latch mechanism, the rotatory pipe just can change along with the angle, then keeps the state of rigid connection at ordinary times.

Furthermore, the movable mechanism 4 includes a telescopic guide rail 41 and a reinforcing plate 42, the number of the telescopic guide rails 41 is 2, the telescopic guide rails 41 are respectively fixed on two sides of the backrest plate of the bed body 8 through guide rail fixing members, and the reinforcing plate 42 is connected with the two telescopic guide rails 41.

Furthermore, a connecting plate 12 is arranged between the two lifting mechanisms 1 which are symmetrically arranged at the left side rod and the right side rod of the bed body 8 at the head and the tail of the bed for connection.

Further, the reinforcing plate 42 and the connecting plate 12 are length-adjustable expansion plates. The expansion plate is a guide rail type expansion plate or an expansion plate which is divided into a left section and a right section and is connected through an adjustable plate, and the adjustable plate is connected with the left section of expansion plate and the right section of expansion plate through a waist-shaped hole arranged on the adjustable plate so as to adjust the length of the expansion plate. The length of reinforcing plate and connecting plate can come the adjustment according to the different width of bed and change, and can select the length of rotatory pipe according to the length of bed to this matches the bed of different length, makes the nursing bed according to this application embodiment can adapt to different sizes, including the hand shaking table (one book bed, two book bed etc. can according to the folding number of bed corresponding one-way festival of adaptation can), the electric rocking bed etc. of different length and width. The reinforcing plate and the connecting plate are both made of high-strength rigid materials, so that the lifting mechanism and the telescopic guide rail can be more stable and firm; the telescopic rod of the lifting mechanism is restrained by the anti-torsion lengthened sliding sleeve, the one-way joint is pinned by the positioning pin, the strength of 100KG body weight can be borne, and a series of actions such as turning over and the like can be safely and stably carried out.

Further, the first clutch and the second clutch may be vacuum suction type clutches or magnetic suction type clutches. When first clutch and second clutch were for magnetism to inhale formula clutch, it all included the electro-magnet and easily inhaled the piece, and the easy piece of inhaling in the first clutch is connected fixedly with reinforcing plate 42 on the movable mechanism 4, and the electro-magnet in the first clutch and the easy piece of inhaling in the second clutch are connected fixedly through fixed bolster and rotatory pipe 5, and the electro-magnet setting in the second clutch is on the top of elevating system 1's telescopic link. If some equipment matched with the nursing bed is in conflict with the electromagnet, the vacuum suction type clutch can be used, and the functions of separation and suction can be realized.

Further, the rotating mechanism 3 may be provided with a first sensor for identifying a moving state of the rotating motor 31, the drawable rotating mechanism 7 may be provided with a second sensor for identifying a moving state of the drawable motor 71, and the connecting plate 12 may be provided with a third sensor for identifying a moving state of the movable mechanism 4. First sensor, second sensor, third sensor, rotary motor 31, pull motor 71, elevating system 1 and the electric pole on the bed body 8 all are connected with the controller through the pencil, and controller and control button, remote controller or cell-phone APP communication connection or wireless communication are connected. The controller and the user terminal can be connected through various communication modes.

Further, the bed sheet 9 is fixedly connected with the rotating tube 5 through a hook and loop fastener (hook and loop fastener) or a quick chuck. The bed sheet is antibacterial and easy to manage, the bed sheet is convenient to disassemble, the fixing modes of the bed sheet are various and can be freely selected by a user, for example, the A surface of the hook-and-loop fastener is adhered on the rotating pipe, the B surface of the hook-and-loop fastener is fixed on the bed sheet, when the bed sheet is disassembled, the bed sheet can be pulled once being torn, and when the bed sheet is installed, the bed sheet can be attached to the aligning position. When the rapid chuck is adopted, the rapid chuck can be rapidly separated from or fixed on a bed sheet only by slightly pressing during installation or disassembly. However, the embodiments of the present application are not limited thereto, and the magnetic connection may be adopted, that is, the magnetic material is respectively arranged on the edge of the bed sheet and the wall of the rotating tube 5 to realize the quick connection with each other.

Furthermore, the bending angle of the one-way joint 6 is 0-90 degrees, and self-service adjustment can be performed according to the requirements of users. The number that one-way section 6 set up is set for according to the folding face number of bed body, when setting up back board, leg backup plate and footrest simultaneously, supplementary extension length's telescopic rail (promptly movable mechanism) only set up on the back board can.

Furthermore, the lifting mechanism 1 can be a manual push-pull type lifting mechanism or an automatic lifting mechanism, and the automatic lifting mechanism is an electric push rod lifting mechanism, an air cylinder lifting mechanism or a hydraulic cylinder lifting mechanism, is not limited to the three types, and can save time and labor as long as being electrically operated.

Further, the rotating pipe 5 can be connected and fixed with the one-way joint 6 through threads, bolts or glue.

Under the condition of independent driving, the four lifting mechanisms are respectively fixed on bed side rods near 4 supporting legs of the bed body, electric poles in the four lifting mechanisms rise or fall simultaneously (or every two lifting mechanisms on the left side and the right side of the bed body rise and fall simultaneously), and the rotary pipe can be driven to lift.

In order to achieve the above object, the present embodiment further provides a method for operating a nursing bed, wherein the turning-over action includes the following steps, as shown in fig. 6 and 7:

step one, a user inputs an operation instruction for turning over at a user side;

step two, the controller controls the pull motor 71 to rotate forwards, the pull motor 71 drives the steel wire rope 75 to move by driving the trapezoidal lead screw 74 to rotate, the steel wire rope 75 pulls the pull guide post 77 to move towards the spring cavity in the direction of the one-way joint 6 and compress the spring 76, the second sensor monitors the motion state of the pull motor 71 and sends a detection signal to the controller, when the second sensor monitors that the rotation angle of the pull motor 71 enables the pull guide post 77 to be inserted into the inner hole of the one-way joint 6 to lock the one-way joint 6, the controller controls the pull motor 71 to stop rotating, the one-way joint 6 does not axially rotate along the rotating pipe 5 at the moment, and the rotating pipes 5 are kept in the same horizontal direction; therefore, when a person lies on the bed sheet, the one-way joints are not bent, so that the rotating pipes connected through the one-way joints can keep the same horizontal direction;

step three, the controller controls the second clutch to be electrified, so that the rotary pipe 5 and the lifting mechanism 1 are fixedly attracted, and controls the first clutch to be powered off, so that the rotary pipe 5 and the movable mechanism 4 are separated;

step four, the controller controls 4 lifting mechanisms 1 to ascend simultaneously, and the lifting mechanisms 1 drive the rotating pipes 5 on the two sides of the bed body to ascend along with the lifting mechanisms;

step five, the controller controls the rotation motor 31 of the rotation mechanism 3 to rotate to drive the rotation pipes 5 to rotate, so that one rotation pipe 5 releases cloth, the other rotation pipe 5 synchronously receives cloth, the first sensor monitors the motion state of the rotation motor 31 and sends a detection signal to the controller, when the first sensor monitors the rotation angle of the rotation motor 31, the controller controls the rotation motor 31 to stop rotating after a patient lying on the bed sheet 9 turns over along with the motion of the bed sheet 9, and if necessary, a nursing worker can slightly push the patient to complete the turning over action;

and step six, the controller controls the lifting mechanism 1 to descend to the original position.

When the auxiliary turnover device only comprises the lifting mechanism, the rotating mechanism and the rotating pipe, the second step and the third step are omitted.

Further, the semi-reclining motion includes the following steps, as shown in fig. 4 and 5:

step one, a user inputs an operation instruction for semi-lying at a user end, and a controller controls an electric rod on the bed body 8 to automatically adjust the angles of a back plate, a leg rest plate and/or a footrest, or the user manually adjusts the angles of the back plate, the leg rest plate and/or the footrest of the bed body 8;

secondly, a third sensor monitors the horizontal position of the backrest plate and transmits a detection signal to a controller, the controller controls a second clutch to be powered off, so that the rotary pipe 5 is separated from the lifting mechanism 1, and controls a first clutch to be powered on, so that the rotary pipe 5 and the movable mechanism 4 are fixedly attracted;

step three, the controller controls the drawing motor 71 to rotate reversely, the drawing motor 71 releases the tension of the trapezoidal lead screw 74 and the steel wire rope 75, the drawing guide post 77 is ejected out of the spring cavity by the pushing force of the spring 76 under the condition that the tension of the drawing motor 71 does not exist, and the drawing guide post 77 releases the locking of the one-way joint 6;

step four, the one-way joint 6 is subjected to angle steering along with the folding of the backrest plate, the leg rest plate and/or the footrest, and the movable mechanism 4 rises to drive the telescopic guide rail 41 to extend; the extension of the telescopic guide rail compensates the length shortage of the back plate, the leg rest plate and/or the footrest caused by rising and inclining, and when the back plate, the leg rest plate and/or the footrest fall down, the telescopic guide rail retracts, so that the patient can be better assisted to realize a half-lying state;

and step five, when the third sensor monitors that the backrest plate, the leg rest plate and/or the footrest are folded to a set angle, the controller controls the electric rod to stop running, or the user stops manually adjusting the angle of the backrest plate, the leg rest plate and/or the footrest of the bed body 8.

The horizontal position of back-up plate is judged to the third sensor, when back-up plate, leg back-up plate and/or footrest need rise angle of adjustment, back-up plate, leg back-up plate and/or footrest leave the third sensor this moment, and third sensor transmission signal gives the controller, can take place the operating instruction to first clutch, second clutch, pull motor, the electric pole on the bed body after the controller analysis, controls its operation step operation according to the action of partly lying.

The rotating mechanism and the one-way joint are connected together through the rotating pipe, namely the rotating angle of the rotating mechanism is the same as that of the one-way joint, when the first sensor identifies the rotating angle of the rotating motor and transmits the rotating angle to the controller, the controller can analyze the position angle of the one-way joint, the number of turns of the rotating motor in left and right rotation and the curling length of the bed sheet, so that the first clutch, the second clutch, the lifting mechanism, the drawing motor and the rotating motor are controlled to operate according to the operation steps of turning over.

The controller can be set by a program to control the auxiliary turning-over device to move according to the setting requirements, for example, the auxiliary turning-over device can regularly turn over in the daytime so as to prevent skin sores of long-term bedridden patients, and can be matched with detection equipment such as a heart rate cushion and the like at night to passively prevent snoring and the like by turning over.

The embodiment has the following beneficial effects:

(1) the whole device adopts 4 independent lifting mechanisms and rotating mechanisms to match with a bed sheet wound on a rotating pipe, so that a person with mobility disability can be assisted to turn over, bedsores caused by long-term bed rest of the person with mobility disability are avoided, the structure is simple, the device is suitable for different bed bodies, and the installation is simple and convenient;

(2) the nursing bed with the height of the backrest plate adjusted by adopting the one-way joint and the movable mechanism in a matching way can assist people who have inconvenient actions to lie on the bed for eating, reading, watching TV and the like; the one-way section is locked through the drawable rotating mechanism, and the turning-over and half-lying functions are realized simultaneously;

(3) the modular design is adopted, the occupied space is small, and the transportation is convenient;

(4) the bed body is suitable for bed bodies with different sizes and structures, can be assembled and spliced on site, and is simple and convenient to install;

(5) the structure is simple, the design is ingenious, and the effect is obvious;

(6) according to the type of the adopted nursing bed and the actual requirements, if a back rest plate, a leg rest plate and/or a footrest are required to be arranged, one-way sections can be correspondingly added, the nursing bed is flexible and changeable, various use requirements are met, and the practicability is high;

(7) the manufacturing is simple, the processing and the assembly are easy, the cost is low, the practicability is high, and the method is suitable for large-scale popularization.

The above description is only exemplary of the present application and is not intended to limit the scope of the present application, which is defined by the appended claims.

Claims (14)

1. A care bed, comprising:

the bed body comprises a bed head, a bed tail, a first side rod and a second side rod which are respectively connected with the bed head and the bed tail on two sides, and a bed surface which is formed by enclosing the bed head, the bed tail, the first side rod and the second side rod;

the lifting mechanism is fixedly arranged on the bed body, and output ends vertically extend upwards from four corners of the bed body to execute a lifting function;

the first rotating pipe is rotatably supported on the output ends of the paired lifting mechanisms on the corresponding side along the extension direction of the first side rod of the bed body;

the second rotating pipe is rotatably supported on the output ends of the paired lifting mechanisms on the corresponding side along the extension direction of the second side rod of the bed body;

the first motor is coaxially connected with the first rotating pipe so as to drive the first rotating pipe to rotate; and

a second motor coaxially connected with the second rotary pipe to drive the second rotary pipe to rotate,

wherein the first rotating pipe and the second rotating pipe are respectively driven by the first motor and the second motor to enable the outer wall of the first rotating pipe and the second rotating pipe to be wound on the bed sheet through the connecting piece,

wherein the first and second rotary pipes are lifted and lowered in accordance with the lifting and lowering of the lifting and lowering mechanism, and

wherein the lift mechanism, the first motor, and the second motor are electrically connected to and controlled in operation by a controller.

2. The care bed of claim 1, further comprising a first swivel mechanism disposed on the first swivel tube and a second swivel mechanism disposed on the second swivel tube, wherein the first and second swivel mechanisms fixedly connect the first swivel tube and the first swivel motor and the second swivel tube and the second motor, respectively, by a swivel connection.

3. The care bed of claim 1, wherein the lift mechanism is hydraulically driven.

4. The care bed of claim 1, wherein the lift mechanism is driven by a motor.

5. The nursing bed of claim 1, wherein the lifting mechanisms are lifters disposed at four corners of the bed body to be driven respectively.

6. The care bed of claim 1, wherein the lifting mechanism is synchronously driven at two corners of the head and at two corners of the foot.

7. A care bed as claimed in claim 1, wherein the lifting mechanisms are synchronously driven on two corners of one side of the bed and on two corners of the other side of the bed.

8. The care bed of claim 2, further comprising a first sensor disposed on the first rotational mechanism to identify a state of motion of a first motor, and a second sensor disposed on the second rotational mechanism to identify a state of motion of a second motor.

9. The care bed of claim 8, wherein the controller receives signals from the first and second sensors, controls rotation of the first and second motors and elevation of the elevation mechanism manually or automatically.

10. The care bed according to claim 9, wherein the controller communicates wirelessly with a remote control or a cell phone APP.

11. The nursing bed of claim 1, further comprising an adhesive means disposed on the outer wall of the first and second rotary tubes to bond with the bed sheet.

12. The care bed of claim 10, wherein the adhesive means comprises hook and loop fasteners or quick clips.

13. A method of operating a care bed comprising the steps of:

1) winding the side edge of the bed sheet on the tube walls of the first rotating tube and the second rotating tube;

2) a user inputs an operation instruction for turning over through the controller;

3) the controller controls the first motor and the second motor to rotate so as to straighten the bed sheet;

4) the controller controls the output end of the lifting mechanism to ascend so as to drive the first rotating pipe and the second rotating pipe to ascend;

5) one of the first rotating pipe and the second rotating pipe loosens the winding of the bed sheet, and the other of the first rotating pipe and the second rotating pipe further winds the bed sheet so as to realize the inversion of the human body on the bed sheet;

6) the controller controls the lifting mechanism to descend so that the bed sheet and the human body on the bed sheet return to the plane of the bed body.

14. The method of operating a care bed of claim 13, further comprising:

7) the motion state of the first rotating motor is monitored by the first sensor, the motion state of the second rotating motor is monitored by the second sensor, and a detection signal is sent to the controller, so that the controller automatically controls the human body on the bed sheet to turn over along with the motion of the bed sheet.

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