CN114099184B - Nursing bed and operation method thereof - Google Patents

Abstract

The present application relates to a care bed and a method for 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 encircling 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 vertically extends out of the output ends at four corners of the bed body upwards to execute a lifting function; first and second rotary pipes rotatably supported on the output ends of the pair of elevating mechanisms at the corresponding sides along the extending direction of the first side bar 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 rotary tubes are driven by the first and second motors, respectively, to wrap the outer walls thereof around the sheet. The first and second rotary pipes are lifted and lowered by the lifting mechanism. The lift mechanism, the first and second, are electrically connected to the controller and are controlled by the controller to operate. The nursing bed of the present application can be applied to various medical beds.

Description

Nursing bed and operation method thereof

Priority statement

The application claims priority of Chinese patent application No.2020108607145 entitled "novel turning-over assisting device and operation method thereof" filed 8/25/2020.

Technical Field

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

Background

The postoperative patient and the patient lying in bed for a long time need to turn over the body regularly, the postoperative patient promotes the healing of wound through turning over the body, and the patient lying in bed for a long time needs to avoid phenomena of unsmooth blood circulation, local tingling, bedsores and the like caused by long-term extrusion of the body through turning over the body, so that a device capable of assisting in turning over is needed.

The existing auxiliary turning-over 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 matched bed body structure is required to be matched;

3) The operation steps are complex, a lot of steps and time are needed for one turn over, and the purpose of simple turn over is difficult to realize.

Disclosure of Invention

The application aims to solve the technical problems of developing a nursing bed which is simple and convenient to install, simple in structure, small in occupied space and suitable for self-help turning over in different sizes and different structures.

To solve the above technical problem, according to one aspect of the present application, there is provided a nursing 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 encircling 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 vertically extends out of the output ends at four corners of the bed body upwards to execute a lifting function; the first rotary pipe is rotatably supported on the output ends of the paired lifting mechanisms at the corresponding side along the extending 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 at the corresponding side along the extending direction of the second side rod of the bed body; the first motor is coaxially connected with the first rotating pipe to drive the first rotating pipe to rotate; and the second motor is coaxially connected with the second rotating pipe to drive the second rotating pipe to rotate. The first rotary tube and the second rotary tube are driven by the first motor and the second motor respectively to enable the outer wall of the first rotary tube and the outer wall of the second rotary tube to be wound on the bed sheet through the connecting piece. The first rotary pipe and the second rotary pipe are lifted along with the lifting of the lifting mechanism. The lifting mechanism, the first motor and the second motor are electrically connected to the controller and the operation thereof is controlled by the controller.

According to an embodiment of the present application, the nursing bed may further include a first rotating mechanism provided on the first rotating tube and a second rotating mechanism provided 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 connectors.

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

According to an embodiment of the present application, the elevating mechanism may be lifters provided at four corners of the bed body to be driven respectively.

According to an embodiment of the application, the lifting mechanism is synchronously driven at two corners of the bed head and synchronously driven at two corners of the bed tail. Or the lifting mechanism is synchronously driven at two corners on one side of the bed body and synchronously driven at two corners on the other side of the bed body.

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 movement state of the first motor, and a second sensor provided on the second rotating mechanism to recognize a movement state of the second motor.

According to an embodiment of the present application, the controller may receive signals from the first sensor and the second sensor, and manually or automatically control the rotation of the first motor and the second motor and the elevation of the elevation mechanism.

According to an embodiment of the application, the controller may communicate wirelessly with a remote control or a mobile phone APP.

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

According to another aspect of the present application, there is provided a method of operating a care bed, comprising the steps of: 1) Wrapping the side edges of the sheet around the walls of the first rotating tube and the second rotating tube; 2) The user inputs an operation instruction for turning over action 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 rise so as to drive the first rotary pipe and the second rotary pipe to rise along with the rising; 5) One of the first rotary tube and the second rotary tube loosens the winding of the bed sheet, and the other of the first rotary tube and the second rotary tube further winds the bed sheet so as to realize the inversion of a 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 operation method of the nursing bed may further include: 7) The motion state of the first rotary motor is monitored by a first sensor, the motion state of the second rotary motor is monitored by a second sensor, and a detection signal is sent to the controller, so that the controller can automatically control 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 has the following beneficial effects:

1. according to the nursing bed and the operation method thereof, the lifting mechanism and the rotating mechanism are matched with the bed sheet wound on the rotating tube, so that the bed sheet can assist a person with inconvenient actions to turn over, and the bedsore caused by long-term lying of the person with inconvenient actions is avoided;

2. the nursing bed and the operation method thereof have the advantages of modularized design, small occupied space and convenient transportation;

3. the nursing bed and the operation method thereof are suitable for beds with different sizes and different 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 obvious effect;

the nursing bed and the operation method thereof have the advantages of simple manufacture, easy processing and assembly, low cost and strong practicability, and are suitable for large-scale popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following brief description of the drawings of the embodiments will make it apparent that the drawings in the following description relate only to some embodiments of the present application and are not limiting of the present application.

FIG. 1 is a schematic 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 illustration of the connection of the lifting mechanism, swivel tube, one-way joint and the retractable swivel mechanism in the care bed;

FIG. 4 is a schematic illustration I of a nursing bed in a semi-reclined position;

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

FIG. 6 is a schematic diagram I of a nursing bed in a turned-over state;

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

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present application. It will be apparent that the described embodiments are some, but not all, embodiments of the application. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present application fall within the protection scope of the present application.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, 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 schematic perspective view of a structure 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 a lifting mechanism, a rotary pipe, a one-way joint and a drawable rotary mechanism in the nursing bed, fig. 4 is a schematic first view of the nursing bed in a semi-lying state, fig. 5 is a schematic second view of the nursing bed in the semi-lying state, fig. 6 is a schematic first view of the nursing bed in a turning-over state, and fig. 7 is a schematic second view of the nursing bed in the turning-over state.

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

The lifting mechanism 1 can be provided with 4 independent drives, and the two side rods of the bed body 8 are respectively and fixedly arranged at the head end and the tail end of the bed through the mounting clamping plates 11, and alternatively, the number of the lifting mechanisms 1 can be 1 or 2. When the lifting mechanism 1 is one, 4 output ends can be respectively extended upwards at four bed corners of the bed body 8 through the transmission mechanism. When the lifting mechanism 1 is two, one of the two output ends extends upwards from the bed corners at the two ends (the head end and the tail end) of one side of the bed body 8, and the other output end extends upwards from the bed corners at the two ends of the other side of the bed body 8. Alternatively, when there are two lifting mechanisms 1, one of them extends upward from two corners of the head end of the bed body 8 to form a pair of output ends, and the other extends upward from two corners of the tail end of the bed body 8 to form a pair of output ends. Those skilled in the art may flexibly select according to design requirements, and the present application is not limited thereto.

The rotary tube 5 may include a first rotary tube and a second rotary tube disposed parallel to each other along two sides of the bed body 8, respectively disposed above two side bars of the bed body 8, and a bed sheet 9 is wound between the two rotary tubes 5, two ends of the rotary tube 5 are respectively connected and fixed with an output end of the lifting mechanism 1, and one end of the rotary tube 5 is provided with a rotary mechanism 3, the rotary mechanism 3 includes a rotary connector 32 and a rotary motor (a first motor and a second motor) 31 for driving the rotary tube 5 to rotate, and the rotary motor 31 is connected and fixed with the rotary tube 5 through the rotary connector 32. The first swivel tube and the second swivel tube may be rigid tubes that are not bendable, or may be a combination of two or more tubes with a hinged connection at a predetermined location. The hinge connection may be a one-way joint, as described in more detail below.

Further, the bed body 8 may include a back rest plate, a leg rest plate and/or a footrest with an angle adjustment, the angle adjustment may be performed manually or automatically, and when the bed body 8 is an angle of the back rest plate, the leg rest plate and/or the footrest, the angle adjustment is performed by an electric lever connected to the back rest plate, the leg rest plate and/or the footrest.

Further, the nursing bed according to the embodiment of the application can further comprise a clutch switching mechanism 2, a movable mechanism 4, a one-way joint 6 and a drawable rotating mechanism 7. The rotary pipe 5 is divided into a plurality of sections and connected through a one-way joint 6, and two drawable rotary mechanisms 7 are respectively arranged at the other ends of the rotary pipe (a first rotary pipe and a second rotary pipe) 5. The movable mechanism 4 is provided on the back plate. The clutch switching mechanism 2 may include a first clutch and a second clutch, and the rotary pipe 5 may be locked to or unlocked from the movable mechanism 4 and the lifting mechanism 1 provided at the head of the bed by the first clutch and the second clutch, respectively. The drawable rotating mechanism 7 is fixedly arranged with the lifting mechanism 1 arranged at the tail of the bed. Alternatively, the drawable rotating mechanism 7 may be disposed at an end of the rotating tube 5 near the bed head, and the drawable rotating mechanism 7 may be locked to or unlocked from the movable mechanism 4 and the lifting mechanism 1 disposed at the bed head by a first clutch and a 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 rotary pipe and the second rotary pipe are bendable, the retractable rotary mechanism 7 may include a retracting motor 71, a mounting bracket 72, a connecting shaft 73, a trapezoidal screw 74, a wire rope 75, a spring 76, and a retracting guide post 77. A trapezoidal screw 74 is arranged in the rotary tube 5 close to one end of the drawable rotary mechanism 7, a spring cavity for containing a spring 76 and a drawing guide column 77 are arranged in the rotary tube 5 close to one end of the rotary mechanism 3, one end of the spring 76 is in butt joint with the one-way joint 6, the other end of the spring 76 is connected with the drawing guide column 77, one end of the spring cavity is provided with a guide opening for the drawing guide column 77 to pass through, the drawing motor 71 is connected with the trapezoidal screw 74 through a connecting shaft 73, the trapezoidal screw 74 is connected with a steel wire rope 75, the steel wire rope 75 sequentially penetrates through the one-way joint 6 and the spring cavity to be connected and fixed with the drawing guide column 76, and the drawable rotary mechanism 7 is fixed with a lifting mechanism 1 arranged at the bed tail of the bed body 8 through a mounting bracket 72. Wherein the pulling guide post is ejected by a preferred spring, but is not limited to the case that the spring ejects the guide post. The locking of the one-way joint enables the rotating pipe to keep in the same horizontal direction in various implementation modes, for example, a clutch mechanism can be adopted to replace the one-way joint to keep rigidity, and separation can be carried out when bending is needed; or adopts the spring locking mechanism, when the backrest or the leg needs to rotate at an angle, the locking mechanism is triggered, the rotating pipe can change along with the angle, and the rigid connection state is maintained at ordinary times.

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

Further, two lifting mechanisms 1 symmetrically arranged at the head of the bed body 8 and at the left side rod and the right side rod of the tail of the bed are connected by a connecting plate 12.

Further, the reinforcing plate 42 and the connecting plate 12 are telescopic plates with adjustable length. The expansion plate is a guide rail type expansion plate, or is divided into a left expansion plate and a right expansion plate which are connected through an adjustable plate, and the adjustable plate is connected with the left expansion plate and the right expansion plate through waist-shaped holes arranged on the adjustable plate so as to adjust the length of the expansion plate. The length of the reinforcing plate and the length of the connecting plate can be adjusted and changed according to different widths of the bed, and the length of the rotary pipe can be selected according to the length of the bed so as to be matched with the beds with different lengths, so that the nursing bed according to the embodiment of the application can adapt to different sizes, including hand beds with different lengths and widths (a folding bed, a two-folding bed and the like, and corresponding one-way joints can be adapted according to the folding number of the bed), electric rocking tables with different lengths and widths and the like. The reinforcing plate and the connecting plate are 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 lengthening sliding sleeve, the one-way joint is provided with a positioning pin for pinning, the strength of 100KG body weight can be born, and a series of actions such as turning over can be safely and stably performed.

Further, the first clutch and the second clutch may be vacuum-type clutches or magnetic-type clutches. When the first clutch and the second clutch are magnetic attraction type clutches, the magnetic attraction type clutches comprise electromagnets and easy attraction pieces, the easy attraction pieces in the first clutch are fixedly connected with the reinforcing plate 42 on the movable mechanism 4, the electromagnets in the first clutch and the easy attraction pieces in the second clutch are fixedly connected with the rotating pipe 5 through the fixed support, and the electromagnets in the second clutch are arranged at the top ends of the telescopic rods of the lifting mechanism 1. If some equipment matched with the nursing bed is in conflict with the electromagnet, a vacuum suction 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 the movement state of the rotating motor 31, the retractable rotating mechanism 7 may be provided with a second sensor for identifying the movement state of the retractable motor 71, and the connecting plate 12 may be provided with a third sensor for identifying the movement state of the movable mechanism 4. The first sensor, the second sensor, the third sensor, the rotary motor 31, the drawing motor 71, the lifting mechanism 1 and the electric rod on the bed body 8 are all connected with a controller through a wire harness, and the controller is in communication connection or wireless communication connection with a control button, a remote controller or a mobile phone APP. The controller and the user terminal can be connected through various communication modes.

Further, the bed sheet 9 is connected and fixed with the rotary tube 5 through a magic tape or a quick chuck. The sheet is antibacterial and easy to manage, the sheet is convenient to detach, various fixing modes of the sheet can be selected by a user freely, for example, the A surface of the magic tape is stuck on the rotary tube, the B surface of the magic tape is fixed on the sheet, when the sheet is detached, the sheet can be torn off and pulled, and when the sheet is installed, the sheet is stuck on the rotary tube only by aiming at the position. When the quick clamping head is adopted, only a slight press is needed during installation or disassembly, and the quick clamping head can be quickly separated or fixed with the bed sheet. However, embodiments of the application are not limited thereto, but may also be used for a magnetic connection, i.e. a quick connection to each other by providing magnetic material on the edge of the sheet and the wall of the rotating tube 5, respectively.

Further, the bending angle of the one-way joint 6 is 0-90 degrees, and self-help adjustment can be performed according to the needs of users. The number of the unidirectional joints 6 is set according to the number of the folded surfaces of the bed body, and when the back plate, the leg back plate and the foot rest are arranged at the same time, the telescopic guide rail (i.e. the movable mechanism) with auxiliary extension length is only arranged on the back plate.

Further, the lifting mechanism 1 may be a manual push-pull 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, which is not limited to the three types, and can save time and labor as long as the electric operation is performed.

Further, the rotary pipe 5 can be connected and fixed with the unidirectional joint 6 through threads, bolts or glue.

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

To achieve the above object, the present embodiment further provides a method for operating a care bed, wherein the turning action includes the following steps, as shown in fig. 6 and 7:

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

step two, the controller controls the drawing motor 71 to rotate positively, the drawing motor 71 drives the steel wire rope 75 to move by driving the trapezoidal screw 74 to rotate, the steel wire rope 75 pulls the drawing guide post 77 to move into the spring cavity in the direction of the one-way joint 6 and compress the spring 76, the second sensor monitors the moving state of the drawing motor 71 and sends detection signals to the controller, when the second sensor monitors the rotating angle of the drawing motor 71 to enable the drawing 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 drawing motor 71 to stop rotating, at the moment, the one-way joint 6 does not axially rotate along the rotating pipes 5, and the rotating pipes 5 are kept in the same horizontal direction; therefore, when someone lies on the bed sheet, the one-way joints cannot bend, 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 tube 5 and the lifting mechanism 1 are fixed in a suction way, and controls the first clutch to be powered off, so that the rotary tube 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 two sides of the bed body to ascend along with the lifting;

step five, the controller controls the rotary motor 31 of the rotary mechanism 3 to rotate so as to drive the rotary pipes 5 to rotate, so that one rotary pipe 5 is put and the other rotary pipe 5 is synchronously received, the first sensor monitors the motion state of the rotary motor 31 and sends detection signals to the controller, when the first sensor monitors the rotation angle of the rotary motor 31 so that a patient lying on the bed sheet 9 turns over along with the motion of the bed sheet 9, the controller controls the rotary motor 31 to stop rotating, and if necessary, a nursing staff can perform a slight pushing motion so as to assist the patient to finish turning over;

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

When the auxiliary turning 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 performing semi-lying motion at a user end, and a controller controls an electric rod on a bed body 8 to automatically adjust angles of a back support plate, a leg support plate and/or a footrest, or the user manually adjusts the angles of the back support plate, the leg support plate and/or the footrest of the bed body 8;

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

thirdly, the controller controls the pulling motor 71 to rotate reversely, the pulling force of the pulling motor 71 to the trapezoidal screw 74 and the steel wire rope 75 is relaxed, the pulling guide column 77 is reversely popped out of the spring cavity by the pushing force of the spring 76 under the condition that the pulling force of the pulling motor 71 is not provided, and the pulling guide column 77 is unlocked to the unidirectional joint 6;

fourth, the unidirectional joint 6 turns angularly 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 for the length shortage of the back rest plate, the leg rest plate and/or the footrest caused by rising and tilting, and when the back rest plate, the leg rest plate and/or the footrest fall down, the telescopic guide rail can retract, so that the patient can be better assisted to realize a half-lying state;

and fifthly, when the third sensor monitors that the back rest 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 a user stops manually adjusting the angles of the back rest plate, the leg rest plate and/or the footrest of the bed body 8.

The third sensor judges the horizontal position of the back plate, when the back plate, the leg rest plate and/or the footrest are required to be lifted to adjust angles, the back plate, the leg rest plate and/or the footrest leave the third sensor at the moment, the third sensor transmits signals to the controller, and the controller can generate operation instructions to the first clutch, the second clutch, the drawing motor and the electric rod on the bed body after analysis, so that the electric rod is controlled to operate according to the operation steps of the semi-lying motion.

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 left and right rotating turns of the rotating motor 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 actions.

The controller can be set by a program to control the auxiliary turning-over device to act according to the setting requirement, such as turning over at daytime, so as to prevent skin sore of a patient lying in bed for a long time, and detection equipment such as heart rate pads can be matched at night, and snoring and the like can be passively prevented by using the turning-over action.

The embodiment has the following beneficial effects:

(1) The whole device adopts 4 independent lifting mechanisms and the rotating mechanism to be matched with the bed sheets wound on the rotating pipe, so that the turnover of the people with inconvenient actions can be realized, the bedsores caused by long-term lying of the people with inconvenient actions can be 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 can assist the person with inconvenient actions to semi-lie for activities such as eating, reading, watching television and the like; the unidirectional joint is locked by the drawable rotating mechanism, and meanwhile, the unidirectional joint has the functions of turning over and semi-lying;

(3) The modular design occupies little space and is convenient for transportation;

(4) The device is suitable for beds with different sizes and different 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 nursing bed and the actual requirements, if a back plate, a leg plate and/or a footrest are required to be arranged, a one-way joint is correspondingly added, so that 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 strong, and the device is suitable for large-scale popularization.

The foregoing is merely exemplary embodiments of the present application and is not intended to limit the scope of the application, which is defined by the appended claims.

Claims (8)

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 encircling 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;

a first rotary pipe rotatably supported on output ends of the pair of elevating mechanisms at the corresponding side along an extending direction of the first side bar of the bed body;

a second rotary pipe rotatably supported on the output ends of the pair of elevating mechanisms at the corresponding side along the extending direction of the second side bar of the bed body;

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

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

the clutch switching mechanism locks or disconnects the connection between the rotating pipe and the lifting mechanism, and locks or disconnects the connection between the rotating pipe and the movable mechanism; the clutch switching mechanism comprises a first clutch and a second clutch, wherein the first clutch and the second clutch are vacuum suction type clutches or magnetic suction type clutches, and the rotating pipe and the lifting mechanism are sucked and fixed or separated through power on or power off, so that after the rotating pipe descends, the rotating pipe is fixed through locking the rotating pipe and the movable mechanism, and the rotating pipe is disconnected from the movable mechanism and locked to the lifting mechanism to ascend and descend along with the lifting mechanism; the movable mechanism comprises two telescopic guide rails which are respectively fixed at two sides of the back rest plate of the bed body so as to adapt to the length adjustment of the bed body and a reinforcing plate which is connected with the two telescopic guide rails so as to adapt to the width adjustment of the bed body,

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

wherein the first rotary pipe and the second rotary pipe are lifted along with the lifting of the lifting mechanism, and

wherein the lifting mechanism, the first motor and the second motor are electrically connected to a controller and the operation thereof is controlled by the controller;

the rotary device further comprises a first rotary mechanism arranged on the first rotary pipe and a second rotary mechanism arranged on the second rotary pipe, wherein the first rotary mechanism comprises a first rotary connecting piece and a first motor, the second rotary mechanism comprises a second rotary connecting piece and a second motor, and the first motor and the second motor are respectively and fixedly connected with the first rotary pipe and the second rotary pipe through the first rotary connecting piece and the second rotary connecting piece;

further comprising a first sensor arranged on the first rotating mechanism for identifying the motion state of the first motor and a second sensor arranged on the second rotating mechanism for identifying the motion state of the second motor,

wherein the controller receives signals from the first sensor and the second sensor, controls the rotation of the first motor and the second motor and the lifting of the lifting mechanism.

2. The care bed of claim 1, wherein the lifting mechanism is a hydraulic cylinder lifting mechanism.

3. The care bed of claim 1, wherein the lift mechanism is an electric push rod lift mechanism.

4. The nursing bed of claim 1, wherein the lifting mechanism is a lifter provided at four corners of the bed body to be driven respectively.

5. The nursing bed of claim 1, wherein the lifting mechanism is synchronously driven at two corners of the head and at two corners of the tail.

6. The nursing bed of claim 1, wherein the lifting mechanism is synchronously driven at two corners on one side of the bed body and at two corners on the other side of the bed body.

7. The care bed of claim 1, wherein the controller is in wireless communication with a remote control or a cell phone APP.

8. The nursing bed of claim 1, further comprising a bonding means disposed on an outer wall of the first and second swivel tubes to bond with a sheet, the bonding means comprising a hook and loop fastener or a quick clamp.