CN115350019A

CN115350019A - Hospital bed capable of automatically getting on and off bed and having anti-falling function

Info

Publication number: CN115350019A
Application number: CN202210805391.9A
Authority: CN
Inventors: 徐宁
Original assignee: Nanjing First Hospital
Current assignee: Nanjing First Hospital
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-11-18

Abstract

The invention provides a sickbed capable of automatically getting on and off and having a function of preventing falling off, which is characterized by comprising a bottom bedstead, a top bedstead, a bed board, a lifting mechanism, an assisted electric push rod, an upper body bedrail, a lower body bedrail, a controller and a control key; the lifting mechanism is positioned between the bottom bed frame and the top bed frame, the height difference between the bottom bed frame and the top bed frame can be adjusted, the bed board is divided into two sections, the upper half part of the bed board can lift the upper half body of a patient with the help of the rising-assisting electric push rod to assist the patient in rising, the upper body bedrail can be turned over at a certain angle along with the turning-over of the bed board to play a certain protection effect on the patient who rises, and the lower body bedrail can be controlled by the controller and the control keys to rise and fall and can be adjusted as required; the bed fence can be controlled to ascend and descend automatically, can assist a patient to get up, can effectively reduce the risk that the patient falls off the bed, and cannot increase the pressure of accompanying personnel.

Description

Hospital bed capable of automatically getting on and off bed and having anti-falling function

Technical Field

The invention relates to the field of medical instruments, in particular to a sickbed which can be automatically put in and out of a bed and has the function of preventing falling off the bed.

Background

Sickbeds are usually used in hospitals, health hospitals or health service centers and the like, some patients need to be provided with anti-falling bed fences to prevent the patients from falling off the bed, the existing anti-falling bed fences usually cannot change the states of the patients themselves, if the requirements of getting off the bed are still met, the patients need to be helped by accompanying personnel, meanwhile, the patients have certain obstacles when getting up for some old patients or the patients with inconvenient hand and foot activities, but the patients also need to get off the bed, the patients can get up and get off the bed smoothly only by the help of the accompanying personnel, if the accompanying personnel are not around, the accompanying personnel can not get up or get off the bed, the accompanying personnel need to come on call at will, the patients are helped to get off the bed, and the workload of the accompanying personnel is greatly increased; aiming at the patients, a sickbed which has the function of preventing falling and can assist the patients to get up and get off the sickbed by self is needed to enhance the self-care ability of the patients and reduce the pressure of accompanying personnel.

Disclosure of Invention

The invention aims to provide a sickbed which can be automatically put in and taken out of a bed and has the function of preventing falling off, wherein the falling-off preventing bed fence is arranged and can be automatically controlled to lift, and the bed fence can be moved without the help of accompanying personnel, so that the sickbed can assist a patient to get up, the risk that the patient falls off from the bed can be effectively reduced, the pressure of the accompanying personnel can not be increased, and the self-care capability of the patient is enhanced.

In order to achieve the purpose, the invention provides the following technical scheme:

a sickbed capable of automatically getting on and off a bed and having a function of preventing falling of the bed is characterized by comprising a bottom bed frame 1, a top bed frame 2, a bed plate 3, a lifting mechanism 4, an assisted electric push rod 5, an upper body bedrail 6, a lower body bedrail 7, a controller 8 and a control key module 9; the lifting mechanism 4 is positioned between the bottom bed frame 1 and the top bed frame 2, the height difference between the two can be adjusted, the bed plate 3 is divided into an upper body bed plate 31 and a lower body bed plate 32, wherein the upper body bed plate 31 can lift the upper body of a patient with the help of the lifting-assisting electric push rod 5 to assist the patient to lift up, the upper body bed rail 6 can be folded over at a certain angle along with the bed plate 3 to play a certain protection effect for the patient who lifts up, and the lower body bed rail 7 can be controlled to lift up and down by the controller 8 and the control key module 9.

Four bottom guide cylinders 11 are fixedly connected to four corners of one side of the bottom frame 1 close to the top frame 2, four top guide cylinders 21 are fixedly connected to four corners of one side of the top frame 2 close to the bottom frame 1, the bottom guide cylinders 11 and the top guide cylinders 21 are both hollow, the outer surfaces are smooth, and the inner diameters of the bottom guide cylinders 11 can be just inserted into the top guide cylinders 21.

The bottom bed frame 1 is provided with two slide rails 12, and two grooves 121 are arranged on the slide rails 12; the bottom of the bed frame 1 is provided with four medical universal wheels 13; three support bars 22 are arranged on the top bed frame 2.

The lifting mechanisms 4 are provided with two groups, each group of lifting mechanisms 4 comprises fixed blocks 41, hinged shafts 42, short folding rods 43, long folding rods 44 and rollers 45, the top of each lifting mechanism 4 is provided with two fixed blocks 41, each fixed block 41 is fixedly connected with the corresponding support rod 22, each fixed block 41 is provided with a round hole, the hinged shafts 42 can be installed at the round holes of the two fixed blocks 41, each hinged shaft 42 is divided into three sections, two short folding rods 43 are respectively and fixedly connected with two parts on two sides of each hinged shaft 42, the other two short folding rods 43 are fixedly connected with one end of the middle of each hinged shaft 42, each long folding rod 44 is hinged with one short folding rod 43, and the long folding rods 44 and the short folding rods 43 are arranged in a staggered mode; the adjacent two long folding rods 44 are also hinged at the intersection between the two long folding rods, the rollers 45 are arranged at the bottoms of the long folding rods 44, and the width of each roller 45 can be just placed in the groove 121 on the sliding rail 12.

The hinged joints of the long folding rods 44 and the short folding rods 43 on the left side and the right side of the bed body are connected through an extended folding rod connecting rod 46, two folding rod connecting rods 46 are arranged between each group of lifting mechanisms 4, the two folding rod connecting rods 46 are fixedly connected with an electric push rod 47 on the same horizontal line, the electric push rod 47 is connected with the controller 8, and the length of the electric push rod 47 is controlled by the controller 8.

The upper body bed board 31 and the lower body bed board 32 are hinged, and the lower body bed board 32 is fixed above the top bed frame 2; the side surface of the supporting rod 22, which is close to one side of the upper body bed plate 31, of the top bed frame 2 is fixedly connected with an upward-opening assisted electric push rod fixing cylinder 221, the assisted electric push rod 5 can be just placed in the assisted electric push rod fixing cylinder 221, the top of the assisted electric push rod 5 is hinged to the bottom surface of the upper body bed plate 31, the assisted electric push rod 5 is connected with the controller 8, the length of the assisted electric push rod 5 is controlled by the controller 8, and when the length of the assisted electric push rod 5 is increased, the upper body bed plate 31 can be jacked up to turn over the upper body bed plate 31 by a certain angle; a fixing strap 311 is arranged on the upper body bed plate 31, a pair of buckles 312 is fixed on the fixing strap 311, the fixing strap is fixed at the bottom of the upper body bed plate 31 at ordinary times, and the fixing strap can be turned over to the upper surface of the upper body bed plate 31 for use when needed to fix the upper body of a patient; one surface of the upper body bed plate 31 close to the top bed frame is provided with a bed plate groove 313, the bed plate groove 313 is provided with a hinged joint 314 capable of sliding on the bed plate groove 313, and the hinged joint 314 is hinged with the end part of the lifting-assisting electric push rod 5 to assist the lifting-assisting electric push rod 5 to descend the upper body bed plate 31 to lift.

The upper body bedrails 6 and the lower body bedrails 7 are two and are respectively located on two sides of the bed board 3, the two short sides of the top bed frame 2 are respectively provided with a head bedrail 14 and a foot bedrail 15, and the head bedrail 14 and the foot bedrail 15 are both fixedly connected to the bottom bed frame 2.

The upper body bed fence 6 is fixedly connected with a connecting plate 61, a round hole 611 is formed in a corner of the connecting plate 61 close to the middle of the top bed frame 2, an upper body bed fence driving rod 62 is fixedly connected to the round hole 611, the upper body bed fence driving rod 62 penetrates through the top bed frame 2, one end, extending into the top bed frame 2, of the upper body bed fence driving rod 62 is connected with an upper body bed fence steering gear 63, the upper body bed fence driving rod 62 and the top bed frame 2 can rotate relatively, the upper body bed fence steering gear 63 is fixedly connected with the inner side wall of the top bed frame 2, and the upper body bed fence steering gear 63 can drive the upper body bed fence driving rod 62 to rotate so as to drive the upper body bed fence 6 to turn over for a certain angle; the upper body bedrail steering engine 63 is connected with and controlled by the controller 8; the bottom of one end of the connecting plate 61 far away from the round hole 611 is provided with a limiting block 612, and the limiting block 612 is fixedly connected with the top bedstead 2, so as to play a certain auxiliary supporting role for the connecting plate 61.

Two driving pieces 71 are arranged between the lower body bed rail 7 and the top bed frame 2, the central lines of the two driving pieces 71 are parallel to each other, the top ends of the driving pieces 71 are hinged to the bottom end of the lower body bed rail 7, the bottom ends of the driving pieces 71 are hinged to the outer side surface of the top bed frame 2, a lower body bed rail driving rod 72 is arranged at the hinged position of each driving piece 71 and the top bed frame 2, the lower body bed rail driving rod 72 penetrates through the top bed frame 2, one end, extending into the top bed frame 2, of the lower body bed rail driving rod 72 is connected with a lower body bed rail steering gear 73, the lower body bed rail steering gear 73 and the top bed frame 2 can rotate relatively, the lower body bed rail steering gear 73 is fixedly connected with the inner side wall of the top bed frame 2, and the lower body bed rail 73 can drive the lower body bed rail driving rod 72 to rotate so as to drive the lower body bed rail 7 to move; the lower body bedrail steering engine 73 is connected with and controlled by the controller 8.

The control key module 9 is connected with the controller 8, a single chip microcomputer is arranged in the controller 8, the control key module 9 sends a control signal to the single chip microcomputer in the controller 8, and the single chip microcomputer processes the control signal and then controls the electric push rod 47, the rising-assisting electric push rod 5, the upper body bed fence steering engine 63 and the lower body bed fence steering engine 73 to make corresponding length changes or rotations; the control key module 9 is provided with five keys, namely a key I91, a key II 92, a key III 93, a key IV 94 and a key IV 95, wherein the key I91 controls the electric push rod 47 to shorten, the key II 92 controls the electric push rod 47 to extend, the key III 93 controls the auxiliary electric push rod 5 to ascend, the upper body bedrail steering engine 63 and the lower body bedrail steering engine 73 rotate for a certain angle, the key IV 94 controls the lower body bedrail steering engine 73 to rotate for a certain angle so that the lower body bedrail 7 is lowered to the lowest position, and the key V95 controls the upper body bedrail steering engine 63 and the lower body bedrail steering engine 73 to rotate for a certain angle so that the lower body bedrail 7 and the upper body bedrail 6 are reset, and controls the auxiliary electric push rod 5 to descend so that the upper body bed plate 31 is leveled; the control key module 9 is fixedly arranged on the upper surface of the upper body bedrail 6 positioned on the right hand side of the patient lying on the back.

Compared with the prior art, the invention has the following beneficial effects:

under the condition that the anti-falling bed fence is arranged, a patient can control the bed fence to lift automatically, free loading and unloading can be realized, the assistance of accompanying personnel is not needed, the height of the sickbed can be adjusted, the convenience of unloading can be improved, and the sickbed can adapt to patients of different statures; aiming at patients who are difficult to get up, the upper body bed board can be turned over for a certain angle so as to assist the patients to get up, and the upper body bedrail can also be turned over for a certain angle when the upper body bed board is turned over, so that the patients who assist in getting up also have a protection effect; when the rising patient needs to be fixed for some specific situations, the patient can be additionally fixed by using the fixing belt.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the bottom bed frame and lifting mechanism of the present invention;

FIG. 3 is a second schematic view of the bottom frame and the lifting mechanism of the present invention;

FIG. 4 is a schematic view of the lift mechanism of the present invention;

FIG. 5 is a schematic view of the low top, upper and lower body rails of the present invention;

FIG. 6 is a partial schematic view of the bottom half of the top bedrail of the present invention;

FIG. 7 is a partial schematic view of the upper half of the top bed rail of the present invention;

fig. 8 is a schematic view of the structure of the bed plate of the present invention;

FIG. 9 is a schematic view of the overall structure of the upper body deck of the present invention as it is raised;

fig. 10 is a schematic structural view of the upper body bed plate of the present invention when raised;

FIG. 11 is a schematic view of a fastening strap and buckle arrangement of the present invention;

fig. 12 is an overall side view of the upper body deck of the present invention as it is raised;

FIG. 13 is a schematic view of the overall structure of the lower body deck of the present invention when lowered;

FIG. 14 is a schematic view of the driving piece when the lower body bed plate is lowered;

FIG. 15 is a schematic diagram of a control button module according to the present invention;

FIG. 16 is a schematic diagram of a highly reduced monkey structure of the present invention;

fig. 17 is a schematic view of the fixing band used when the upper body bedplate is lifted;

in the figure: 1-a bottom bed frame; 11-a bottom guide cylinder; 12-a slide rail; 121-grooves; 13-medical universal wheel; 14-head bedrail; 15-foot bedrail; 2-top bed frame; 21-a top guide cylinder; 22-a support bar; 221-starting an electric push rod fixing cylinder; 3-bed board; 31-upper body bed plate; 311-fixing belts; 312-fastener; 313-bed board groove; 314-an articulated joint; 32-lower body bed plate; 4-a lifting mechanism; 41-fixed block; 42-articulated shaft; 43-short folding bar; 44-long folding bar; 45-a roller; 46-folding bar linkage; 47-electric push rod; 5-assisting to start the electric push rod; 6-upper bedrail; 61-a connecting plate; 611-a circular hole; 612-a stop block; 62-upper body bedrail drive rods; 63-upper body bedrail steering engine; 7-lower bedrail; 71-a driving plate; 72-lower body bedrail drive bars; 73-lower bedrail steering engine; 8-a controller; 9-control the key module; 91-pressing a first key; 92-key two; 93-key three; 94-press a fourth key; 95-press a fifth key.

Detailed Description

The present invention will be described in further detail with reference to the following examples in order to clarify technical problems, technical solutions, implementation processes and performance displays. It should be understood that the specific embodiments described herein are for illustrative purposes only. The present invention is not limited to the above embodiments. Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.

Example 1

As shown in fig. 1-8, a sickbed capable of getting on and off the bed by oneself and having the function of preventing falling off the bed is characterized by comprising a bottom bed frame 1, a top bed frame 2, a bed board 3, a lifting mechanism 4, an assisted electric push rod 5, an upper body bed rail 6, a lower body bed rail 7, a controller 8 and a control key module 9; the lifting mechanism 4 is positioned between the bottom bed frame 1 and the top bed frame 2, the height difference between the two can be adjusted, the bed plate 3 is divided into an upper body bed plate 31 and a lower body bed plate 32, wherein the upper body bed plate 31 can lift the upper body of a patient with the help of the lifting-assisting electric push rod 5 to assist the patient to lift up, the upper body bed rail 6 can be folded over at a certain angle along with the bed plate 3 to play a certain protection effect for the patient who lifts up, and the lower body bed rail 7 can be controlled to lift up and down by the controller 8 and the control key module 9.

As a possible embodiment, four bottom guide cylinders 11 are fixedly connected to four corners of one side of the bottom frame 1 close to the top frame 2, four top guide cylinders 21 are fixedly connected to four corners of one side of the top frame 2 close to the bottom frame 1, the bottom guide cylinders 11 and the top guide cylinders 21 are hollow, the outer surface is smooth, the inner diameter of the bottom guide cylinders 11 can be just inserted into the top guide cylinders 21, and the presence of the bottom guide cylinders 11 and the top guide cylinders 21 can ensure that only up-and-down movement can be performed between the bottom frame 1 and the top frame 2 without deviation in other directions when the lifting mechanism 4 moves.

As a possible embodiment, the bottom bed frame 1 is provided with two sliding rails 12, and the sliding rails 12 are provided with two grooves 121; the bottom of the bottom bed frame 1 is provided with four medical universal wheels 13, and the medical universal wheels 13 can be used for conveniently transferring a sickbed so as to facilitate the transfer of a patient when the patient needs to move or check; the top bed frame 2 is provided with three support rods 22, which can make the bed frame more firm and facilitate the installation and fixation of other structures.

As shown in fig. 2 to 4, as a possible embodiment, two sets of the lifting mechanisms 4 are provided, each set of the lifting mechanism 4 includes a fixed block 41, a hinge shaft 42, a short folding rod 43, a long folding rod 44 and a roller 45, two fixed blocks 41 are provided at the top of the lifting mechanism 4, the fixed blocks 41 are fixedly connected with the support rod 22, circular holes are provided on the fixed blocks 41, the hinge shaft 42 can be installed at the circular holes of the two fixed blocks 41, the hinge shaft 42 is divided into three sections, wherein two short folding rods 43 are respectively fixedly connected with two parts at two sides of the hinge shaft 42, the other two short folding rods 43 are fixedly connected with one middle end of the hinge shaft 42, each long folding rod 44 is hinged with one short folding rod 43, and the long folding rods 44 and the short folding rods 43 are arranged in a staggered manner; the adjacent two long folding rods 44 are also hinged at the intersection between the two long folding rods 44, the rollers 45 are arranged at the bottoms of the long folding rods 44, and the width of each roller 45 can be just placed in the groove 121 on the sliding rail 12, so that the rollers 45 can only move along the groove 121 without deviation.

As a possible embodiment, the hinged joints of the long folding rods 44 and the short folding rods 43 on the left and right sides of the bed body are connected by an extended folding rod connecting rod 46, two folding rod connecting rods 46 are arranged between each group of lifting mechanisms 4, an electric push rod 47 is fixedly connected to the two folding rod connecting rods 46 on the same horizontal line, the electric push rod 47 is connected to the controller 8, and the length of the electric push rod 47 is controlled by the controller 8; when the height of the sickbed needs to be reduced, the second button 92 can be pressed to control the electric push rod 47 to extend, so that the height of the whole lifting mechanism 4 is reduced, and the effect as shown in fig. 16 is achieved, so that the sickbed is suitable for small-size patients; when the height of the sickbed needs to be raised, the first key 91 can be pressed to control the electric push rod 47 to be shortened, so that the height of the whole lifting mechanism 4 is raised, the effect as shown in figure 1 is achieved, and the sickbed is suitable for patients with large statures.

As shown in fig. 10 and 11, as a possible embodiment, there is a hinged connection between the upper body deck 31 and the lower body deck 32, the lower body deck 32 being fixed above the top bed frame 2; the side surface of the supporting rod 22, which is close to one side of the upper body bed plate 31, of the top bed frame 2 is fixedly connected with an upward-opening assisted electric push rod fixing cylinder 221, the assisted electric push rod 5 can be just placed in the assisted electric push rod fixing cylinder 221, the top of the assisted electric push rod 5 is hinged to the bottom surface of the upper body bed plate 31, the assisted electric push rod 5 is connected with the controller 8, the length of the assisted electric push rod 5 is controlled by the controller 8, and when the length of the assisted electric push rod 5 is increased, the upper body bed plate 31 is jacked up to turn over the upper body bed plate 31 for a certain angle; a fixing strap 311 is arranged on the upper body bed plate 31, a pair of buckles 312 is fixed on the fixing strap 311, the fixing strap is usually fixed at the bottom of the upper body bed plate 31, and the fixing strap can be turned over to the upper surface of the upper body bed plate 31 for use to fix the upper body of the patient; a bed plate groove 313 is formed in one surface, close to the top bed frame, of the upper body bed plate 31, a hinge joint 314 capable of sliding on the bed plate groove 313 is arranged on the bed plate groove 313, and the hinge joint 314 is hinged to the end of the lifting-assisting electric push rod 5 to assist the lifting-assisting electric push rod 5 in descending the upper body bed plate 31 and lifting; for some patients who are difficult to get up, the key three 93 can be pressed to control the rising-assisting electric push rod 5 to rise to drive the upper body bed plate 31 to turn over for a certain angle, so that the effect of assisting in getting up is achieved, for the patients with poor self-care capability, the upper body of the getting-up patient needs to be fixed sometimes, for example, when the patient needs to be fed, the fixing belt 311 at the bottom of the upper body bed plate 31 can be taken in front, and after the posture of the patient is adjusted as shown in fig. 17, the patient is fixed on the upper body bed plate 31 by matching of the buckle 312 and the fixing belt 311, so that the patient is prevented from being unstable to stand left.

As shown in fig. 5-9 and 12-14, as a possible embodiment, the upper body bedrail 6 is fixedly connected to a connecting plate 61, a round hole 611 is formed at a corner of the connecting plate 61 near the middle of the top frame 2, an upper body bedrail driving rod 62 is fixedly connected to the round hole 611, the upper body bedrail driving rod 62 penetrates through the top frame 2, one end of the upper body bedrail driving rod 62 extending into the top frame 2 is connected to an upper body bedrail steering gear 63, the upper body bedrail driving rod 62 and the top frame 2 can rotate relatively, the upper body bedrail steering gear 63 is fixedly connected to the inner side wall of the top frame 2, and the upper body bedrail driving rod 62 can be driven by the upper body steering gear 63 to rotate, so as to drive the connecting plate 61 to rotate, and thus drive the upper body bedrail 6 to turn a certain angle; the upper body bedrail steering engine 63 is connected with and controlled by the controller 8; the bottom of one end of the connecting plate 61, which is far away from the round hole 611, is provided with a limiting block 612, the limiting block 612 is fixedly connected with the top bed frame 2, and plays a certain auxiliary supporting and limiting role on the connecting plate 61, the upper body bedrail 6 can rotate by a certain angle along with the upper body bed plate 31 when being turned upwards, and the angle is slightly smaller than the turning angle of the upper body bed plate 31, so that the patient who turns the upper body bed plate 31 upwards can be protected, and the patient can be prevented from accidentally falling down; therefore, when the third key 93 is pressed, the steering engine 63 of the upper body bedrail also rotates by a certain angle, and the specific angle is slightly smaller than the turning angle of the upper body bedplate 31.

As a possible embodiment, two driving pieces 71 are arranged between the lower body bed rail 7 and the top bed frame 2, the center lines of the two driving pieces 71 are parallel to each other, the top ends of the driving pieces 71 are hinged to the bottom end of the lower body bed rail 7, the bottom ends of the driving pieces 71 are hinged to the outer side surface of the top bed frame 2, a lower body bed rail driving rod 72 is arranged at the hinge position of each driving piece 71 and the top bed frame 2, the lower body bed rail driving rod 72 penetrates through the top bed frame 2, one end of the lower body bed rail driving rod 72, which extends into the top bed frame 2, is connected to a lower body bed rail steering gear 73, the lower body bed rail steering gear 73 and the top bed frame 2 can rotate relatively, the lower body bed rail steering gear 73 is fixedly connected to the inner side wall of the top bed frame 2, and the lower body bed rail driving rod 72 can be driven to rotate by the lower body bed rail steering gear 73, so as to drive the driving pieces 71, and thus drive the lower body bed rail 7 to move; the lower body bedrail steering gear 73 is connected with and controlled by the controller 8, when the upper body bedrail 6 of the hospital bed rotates a certain angle along with the upper body bed plate 31 when turning upwards, the lower body bedrail 7 interferes with the upper body bedrail 6 if not rotating, so that when the upper body bed plate 31 turns upwards, the lower body bedrail steering gear 73 also drives the lower body bedrail to rotate 90 degrees, as shown in fig. 12, when the button three 93 is pressed, the lower body bedrail steering gear 73 also rotates 90 degrees, and the height of the lower body bedrail 7 at the moment is still higher than that of the bed plate 3, so that a certain bed-falling prevention effect is achieved; when a patient in bed needs to get off the bed, the fourth key 94 can be pressed, and at this time, the steering engine 73 of the lower body bedrail directly rotates 180 degrees to drive the lower body bedrail 7 to fall to the lowest position, as shown in fig. 13, the highest point of the lower body bedrail 7 is lower than the bed plate 3, and at this time, the patient is convenient to get off the bed.

As a possible implementation manner, the control key module 9 is connected with the controller 8, a single chip microcomputer is arranged in the controller 8, the control key module 9 sends a control signal to the single chip microcomputer in the controller 8, and the single chip microcomputer processes the control signal and then controls the electric push rod 47, the assisted electric push rod 5, the upper body bed fence steering engine 63 and the lower body bed fence steering engine 73 to make corresponding length changes or rotations; the control key module 9 is provided with five keys, namely a key I91, a key II 92, a key III 93, a key IV 94 and a key IV 95, wherein the key I91 controls the electric push rod 47 to shorten, the key II 92 controls the electric push rod 47 to extend, the key III 93 controls the auxiliary electric push rod 5 to ascend, the upper body bedrail steering gear 63 and the lower body bedrail steering gear 73 rotate by a certain angle, the key IV 94 controls the lower body bedrail steering gear 73 to rotate by a certain angle so that the lower body bedrail 7 is lowered to the lowest position, the key IV 95 controls the upper body bedrail steering gear 63 and the lower body bedrail steering gear 73 to rotate by a certain angle so that the lower body bedrail 7 and the upper body bedrail 6 are reset, controls the auxiliary electric push rod 5 to descend so that the upper body bedrail 31 is restored to be flat, and the whole sickbed is restored to the state as shown in fig. 1; the control key module 9 is fixedly arranged on the upper surface of the upper body bedrail 6 positioned on the right hand side of the patient when lying on the back, so that the patient can conveniently use keys.

The patient can control the sickbed to get on or off the sickbed by operating the key, and the sickbed can play a role of preventing falling off the sickbed for the patient in rest, when the height of the patient is high, the sickbed is controlled to rise by the first key 91, and the sickbed can be controlled to fall by the second key 92, so that the sickbed is suitable for the patients with different statures, and the height can be adjusted as required when the patient gets on or off the sickbed; through the third key 93, the upper body bed board 31 can be lifted by a certain angle, and meanwhile, the upper body bedrail 6 can also turn by a certain angle, so that a sickbed can have an effect of assisting in rising, and can still have an anti-falling bed effect on a patient who can assist in rising, when the upper body bedrail 6 turns, the lower body bedrail 7 can also turn by 90 degrees outwards, so that the lower body bedrail 7 is prevented from interfering with the upper body bedrail 6, and the lower body bedrail 7 which turns by 90 degrees is still higher than the bed board 3, so that a certain anti-falling bed effect is still achieved; the lowest point of the lower body bedrail 7 descending is controlled through the fourth key 94, the highest point of the lower body bedrail 7 at the moment is lower than the bed plate 3, so that the patient can get out of the bed conveniently, and the bed is convenient to use when the patient needs to get out of the bed to walk; the sickbed can be reset to the state shown in figure 1 through the five key-press 95, and the patient can conveniently continue to rest.

The sickbed can be controlled by a single patient through the control key module 9, the patient can control the bed rail to lift by himself or herself under the condition that the anti-falling bed rail is arranged, free getting on and off of the sickbed can be achieved, the help of accompanying personnel is not needed, the height of the sickbed can be adjusted, the convenience of getting off the sickbed can be improved, and the sickbed can be suitable for patients of different statures; aiming at patients who are difficult to get up, the upper body bed board can be turned over for a certain angle so as to assist the patients to get up, and the upper body bedrail can also be turned over for a certain angle when the upper body bed board is turned over, so that the patients who assist in getting up also have a protection effect; aiming at some specific conditions, when a rising patient needs to be fixed, the patient can be fixed in an auxiliary way by utilizing the fixing band, the workload of accompanying personnel is reduced, and the self-care ability of the patient is enhanced.

The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sickbed capable of automatically getting on and off a bed and having a function of preventing falling of the bed is characterized by comprising a bottom bed frame (1), a top bed frame (2), a bed board (3), a lifting mechanism (4), an assisted electric push rod (5), an upper body bedrail (6), a lower body bedrail (7), a controller (8) and a control key module (9); elevating system (4) are located bottom bedstead (1) with between top bedstead (2), can adjust difference in height between the two, bed board (3) divide into upper part of the body bed board (31) and lower part of the body bed board (32), wherein upper part of the body bed board (31) can be in help the help of electric putter (5) lift patient's the upper part of the body, supplementary patient stands up, upper part of the body bedrail (6) can be along with bed board (3) turn over and turn over a certain angle, play certain safeguard effect for the patient who stands up, lower part of the body bedrail (7) can receive controller (8) with the control of control button module (9) is raised and is descended.

2. The hospital bed capable of getting on and off the bed by itself and having the function of preventing falling off the bed as claimed in claim 1, wherein four bottom guide cylinders (11) are fixedly connected to four corners of one side of the bottom frame (1) close to the top frame (2), four top guide cylinders (21) are fixedly connected to four corners of one side of the top frame (2) close to the bottom frame (1), the bottom guide cylinders (11) and the top guide cylinders (21) are hollow, the outer surface is smooth, and the inner diameter of the bottom guide cylinders (11) can just be placed into the top guide cylinders (21).

3. The hospital bed capable of getting on and off the bed by itself and having the function of preventing falling off the bed as claimed in claim 1, wherein the bottom bed frame (1) is provided with two slide rails (12), and the slide rails (12) are provided with two grooves (121); the bottom of the bed frame (1) is provided with four medical universal wheels (13); three support rods (22) are arranged on the top bedstead (2).

4. The hospital bed capable of automatically getting on and off the bed and having the function of preventing falling off the bed as claimed in claim 1, wherein there are two sets of the lifting mechanisms (4), each set of the lifting mechanisms (4) includes a fixed block (41), a hinge shaft (42), a short folding rod (43), a long folding rod (44) and a roller (45), the top of the lifting mechanism (4) is provided with two fixed blocks (41), the fixed blocks (41) are fixedly connected with the support rod (22), the fixed blocks (41) are provided with circular holes, the hinge shaft (42) can be installed at the circular holes of the two fixed blocks (41), the hinge shaft (42) is divided into three sections, wherein two short folding rods (43) are respectively and fixedly connected with two parts at two sides of the hinge shaft (42), the other two short folding rods (43) are fixedly connected with one middle end of the hinge shaft (42), each long folding rod (44) is hinged with one short folding rod (43), and the long folding rods (44) and the short folding rods (43) are arranged in a staggered manner; the adjacent two long folding rods (44) are hinged at the intersection of the middle parts of the long folding rods, the bottom parts of the long folding rods (44) are provided with the rollers (45), and the width of each roller (45) can be just placed in the groove (121) on the sliding rail (12).

5. The hospital bed capable of automatically getting on and off the bed and having the function of preventing falling off the bed as claimed in claim 4, wherein the hinged joints of the long folding rods (44) and the short folding rods (43) at the left and right sides of the bed body are connected by an extended folding rod connecting rod (46), two folding rod connecting rods (46) are arranged between each group of the lifting mechanisms (4), an electric push rod (47) is fixedly connected to the two folding rod connecting rods (46) on the same horizontal line, the electric push rod (47) is connected with the controller (8), and the length of the electric push rod (47) is controlled by the controller (8).

6. The hospital bed capable of getting on and off the bed by oneself and having the function of preventing falling off the bed as claimed in claim 1, characterized in that the upper body bed board (31) and the lower body bed board (32) are hinged to each other, the lower body bed board (32) is fixed above the top bed frame (2); the side face, close to the upper body bed plate (31), of the supporting rod (22) on one side of the top bed frame (2) is fixedly connected with an upward-opening assisted electric push rod fixing cylinder (221), the assisted electric push rod (5) can be just placed in the assisted electric push rod fixing cylinder (221), the top of the assisted electric push rod (5) is hinged to the bottom face of the upper body bed plate (31), the assisted electric push rod (5) is connected with the controller (8), the length of the assisted electric push rod (5) is controlled by the controller (8), and when the length of the assisted electric push rod (5) is increased, the upper body bed plate (31) can be jacked up to enable the upper body bed plate (31) to be turned over for a certain angle; a fixing belt (311) is arranged on the upper body bed plate (31), a pair of buckles (312) is fixed on the fixing belt (311), the fixing belt (311) is fixed on one surface of the upper body bed plate (31) close to the top bed frame at ordinary times, and the upper body of a patient can be fixed by turning the upper surface of the upper body bed plate (31) when the fixing belt (311) is needed; one surface, close to the top bed frame, of the upper body bed plate (31) is provided with a bed plate groove (313), the bed plate groove (313) is provided with a hinged joint (314) capable of sliding on the bed plate groove, the hinged joint (314) is hinged with the end part of the lifting-assisting electric push rod (5), and the lifting-assisting electric push rod (5) is assisted to descend the upper body bed plate (31) to be lifted.

7. The hospital bed capable of getting on and off the bed by oneself and having the function of preventing falling down of the bed as claimed in claim 1, wherein the upper body bedrail (6) and the lower body bedrail (7) are provided with two, respectively located at both sides of the bed board (3), the two short sides of the top bed frame (2) are provided with a head bedrail (14) and a foot bedrail (15), respectively, and the head bedrail (14) and the foot bedrail (15) are both fixedly connected to the bottom bed frame (2).

8. The hospital bed capable of getting on and off the bed automatically and having the function of preventing falling off the bed as claimed in claim 1, wherein the upper body bedrail (6) is fixedly connected with a connecting plate (61), a round hole (611) is formed at a corner of the connecting plate (61) near the middle of the top bed frame (2), an upper body bedrail driving rod (62) is fixedly connected with the round hole (611), the upper body bedrail driving rod (62) penetrates through the top bed frame (2), one end of the upper body bedrail driving rod (62) extending into the top bed frame (2) is connected with an upper body bedrail steering gear (63), the upper body bedrail driving rod (62) and the top bed frame (2) can rotate relatively, the upper body steering gear (63) is fixedly connected with the inner side wall of the top bed frame (2), and the upper body bedrail (63) can drive the upper body bedrail driving rod (62) to rotate, so as to drive the upper body bedrail (6) to turn over a certain angle; the upper body bedrail steering engine (63) is connected with and controlled by the controller (8); the bottom of one end, far away from the round hole (611), of the connecting plate (61) is provided with a limiting block (612), and the limiting block (612) is fixedly connected with the top bedstead (2).

9. The hospital bed capable of getting on and off the bed by oneself and having the function of preventing falling off the bed as claimed in claim 1, wherein two driving pieces (71) are provided between the lower body bedrail (7) and the top bed frame (2), the central lines of the two driving pieces (71) are parallel to each other, the top ends of the driving pieces (71) are hinged to the bottom end of the lower body bedrail (7), the bottom ends of the driving pieces (71) are hinged to the outer side surface of the top bed frame (2), a lower body bedrail driving rod (72) is provided at the hinged position of each driving piece (71) and the top bed frame (2), the lower body bedrail driving rod (72) penetrates through the top bed frame (2), one end of the lower body bedrail driving rod (72) extending into the top bed frame (2) is connected to the lower body bedrail (73), the lower body bedrail (73) and the top bed frame (2) can relatively rotate, the lower body steering engine (73) is fixedly connected to the top bed frame (2), and the lower body driving rod (73) can drive the lower body driving rod (7) to rotate; the lower body bedrail steering engine (73) is connected with and controlled by the controller (8).

10. The hospital bed capable of getting on and off the bed automatically and having the function of preventing falling off the bed as claimed in claim 1, wherein the control key module (9) is connected with the controller (8), a single chip microcomputer is arranged in the controller (8), the control key module (9) sends a control signal to the single chip microcomputer in the controller (8), and the single chip microcomputer processes the control signal and then controls the electric push rod (47), the assisted electric push rod (5), the upper body bedrail steering engine (63) and the lower body bedrail steering engine (73) to make corresponding length changes or rotations; the control key module (9) is provided with five keys, namely a key I (91), a key II (92), a key III (93), a key IV (94) and a key IV (95), the key I (91) controls the electric push rod (47) to shorten, the key II (92) controls the electric push rod (47) to extend, the key III (93) controls the auxiliary electric push rod (5) to ascend, meanwhile, the upper body bedrail steering engine (63) and the lower body bedrail steering engine (73) rotate by a certain angle, the key IV (94) controls the lower body bedrail steering engine (73) to rotate by a certain angle to lower the lower body bedrail (7) to the lowest position, and the key V (95) controls the upper body bedrail steering engine (63) and the lower body bedrail steering engine (73) to rotate by a certain angle to reset the lower body bedrail (7) and the upper body bedrail (6) and controls the auxiliary electric push rod (5) to descend to restore the upper body bedrail (31) to be flat; the control key module (9) is fixedly arranged on the upper surface of the upper body bedrail (6) positioned on the right hand side of the patient lying on the back.