CN115350015A

CN115350015A - Nursing bed for bedridden patients

Info

Publication number: CN115350015A
Application number: CN202211290718.XA
Authority: CN
Inventors: 李宁; 孙燕燕
Original assignee: Changle County Peoples Hospital
Current assignee: Changle County Peoples Hospital
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2022-11-18
Anticipated expiration: 2042-10-21
Also published as: CN115350015B

Abstract

The application discloses a nursing bed for bedridden patients, which relates to the technical field of nursing equipment and comprises a bed body, a bed board, a moving device, a driving device and a fixing device; the bed body is provided with a bed plate groove with a semicircular longitudinal section; the moving device comprises a telescopic component, a turnover component and a track driving component; the telescopic assembly comprises an inner rod and an outer rod sleeved outside the inner rod, one end of the outer rod, far away from the inner rod, is fixed on the bed board, and one end of the inner rod, far away from the outer rod, is connected to the turnover assembly in a sliding manner; the turnover assembly comprises an arc-shaped track; the arc-shaped rail is fixed at the bottom of the bed board slot; the fixing device comprises a left air bag component and a right air bag component which are fixed on two sides of the bed plate, the left air bag component and the right air bag component are contracted on the bed plate before being expanded, and the overall shape after being expanded is '21274'; can realize when the upset subassembly on the nursing bed supports the heavier disease of weight and stands up, the less technological effect of possibility that the disease bumps with the side shield or the disease falls down from the nursing bed.

Description

Nursing bed for bedridden patients

Technical Field

The invention relates to the field of nursing equipment, in particular to a nursing bed for bedridden patients.

Background

Many patients or the old are in bed for a long time. The body postures are generally supine, left side lying and right side lying. The back lying is the most common, but the posture is changed from the back lying to the side lying, and particularly, the adult patients have heavier weight and other people have trouble in assisting the turning over.

Chinese patent publication No. CN109846638B discloses a nursing bed with a turning-over function, in which an air bag assembly is arranged in a bed body, the air bag assembly can prop up a patient lying in bed, then an air bag on the left or right side of the air bag assembly is inflated to jack up the left half or right half of the patient lying in bed, then the air bag assembly descends integrally, the patient lying in bed is put back on the bed, and the posture of the patient lying in bed is changed from supine to lateral.

Although the device is convenient for a patient lying in bed to turn over, when the patient with heavier weight turns over, the air bag assembly jacks up the patient, if the gravity center of the body of the patient changes or the body of the patient shakes at the moment, the patient may fall off from the air bag assembly to hurt the patient, and if the side baffles with hard materials are arranged on the two sides of the nursing bed to prevent the patient from falling, the negative effect that the patient collides with the side baffles can be generated; if prevent disease and side shield collision through the soft side shield of nursing bed both sides installation, it is too heavy that patient's weight may appear, and the unable weight that bears the disease of soft side shield finally leads to the patient to fall the outside negative effects of nursing bed.

Disclosure of Invention

The embodiment of the application provides a bed patient nursing bed, has solved current nursing bed and has used the upset subassembly to support the heavier disease of weight and have the patient and the great technical problem of possibility that the side shield collided or the disease fell down from nursing bed when standing up, and then realized when the upset subassembly on nursing bed supported the heavier disease of weight and got up and stand up, the less technological effect of possibility that the patient collided or the disease fell down from nursing bed with the side shield.

The embodiment of the application provides a nursing bed for bedridden patients, which comprises a bed body, a bed board, a moving device, a driving device and a fixing device, wherein the bed body is arranged on the bed board;

the bed body is provided with a bed plate groove with a semicircular longitudinal section;

the moving device is positioned in the bed plate groove;

the moving device comprises a telescopic component, a turnover component and a track driving component;

the telescopic assembly comprises an inner rod and an outer rod sleeved outside the inner rod, and the outer diameter of the inner rod is the same as the inner diameter of the outer rod;

one end of the outer rod, which is far away from the inner rod, is fixed on the bed board, and one end of the inner rod, which is far away from the outer rod, is connected to the turnover assembly in a sliding manner;

the overturning assembly is connected with the track driving assembly in a sliding manner;

the turnover assembly (320) comprises a turnover cavity (321) positioned right below the bed plate (200), an arc-shaped track (322) with a longitudinal section in a major arc shape and a turnover belt (323);

the arc-shaped track (322) is positioned between the turnover cavity (321) and the bed board groove (150), and the telescopic assembly (310) can slide along the arc-shaped track (322) under the driving of the track driving assembly;

the track driving assembly comprises a pressure wheel cavity (330), and an active pressure wheel (331) is arranged in the pressure wheel cavity (330);

a driven pinch roller (332) is arranged in the overturning cavity (321), the driving pinch roller (331) and the driven pinch roller (332) are arranged oppositely, and an overturning belt (323) is pressed between the driving pinch roller and the driven pinch roller;

the overturning belt (323) is attached to the arc-shaped track (322) and the inner wall of the overturning cavity (321);

the bottom end of the telescopic component (310) is fixed on a turning belt (323);

the fixing device comprises a left air bag assembly and a right air bag assembly which are fixed on two sides of the bed board, the left air bag assembly and the right air bag assembly are contracted on two sides of the bed board before being expanded, and are expanded towards the upper part of a patient when being expanded, the expanded overall shape is '21274', and the patient is fixed from two sides of the bed board.

Support side plates are symmetrically distributed on two sides of the bed plate;

the supporting side plate is integrally a rectangular plate, one surface of the supporting side plate, which penetrates through the bed body and is close to the bed plate, is an arc-shaped surface and corresponds to the arc-shaped surface of the bed plate, so that the supporting side plate can be spliced with the bed plate, and the supporting side plate plays a role in supporting the bed plate;

the bed plate is hollow, and an air pump assembly is fixed in the bed plate;

the bed plate is provided with an air vent;

the number of the bed boards is multiple;

the bottom surface of the supporting side plate is connected with a driving device, and the supporting side plate is close to or far away from the bed plate under the action of the driving device;

the air pump assembly is fixedly connected with a plurality of air conveying pipes;

the air pump assembly comprises a plurality of air pumps, the number of the air pumps is the same as that of the air conveying pipes, and the air pumps and the air conveying pipes are in one-to-one correspondence.

The inner rod is a hollow rod with an opening at the upper end, and the outer rod is communicated with the inside of the inner rod;

the end of the outer rod, far away from the inner rod, is fixed on the bed board, the end of the inner rod, far away from the outer rod, is fixed on the turnover assembly, and the air pump assembly conveys or sucks air into the telescopic assembly through an air conveying pipe and is used for controlling the telescopic length of the telescopic assembly;

when the telescopic assembly is in the longest state, the bed plate and the supporting side plate are spliced together;

the turnover assemblies are located at the bottom of the bed board groove, the number of the turnover assemblies is the same as that of the bed boards, and the turnover assemblies and the bed boards are arranged in a one-to-one correspondence mode.

The driving device comprises a driving cavity, a transmission shaft, a transmission gear and a driving motor assembly;

the two sides of the bed body are provided with driving cavities, and the transmission shaft is positioned in the driving cavities;

two ends of the transmission shaft are fixed on the bed body through bearings;

a plurality of transmission gears are fixedly connected to the transmission shaft;

the number of the transmission gears is the same as that of the supporting side plates;

a tooth socket meshed with the transmission gear is arranged in the middle of the bottom surface of the supporting side plate, so that the transmission gear drives the supporting side plate to slide left and right;

the driving motor assembly is fixed in the bed plate groove;

the number of the driving motor assemblies is two, and the two driving motor assemblies are respectively positioned on two sides of the bed body;

the output end of the driving motor assembly is meshed with the transmission gear through the output gear, so that the driving motor assembly drives the transmission shaft and the transmission gear to rotate.

The fixing device comprises a left air bag assembly and a right air bag assembly;

the left air bag assembly comprises a first air bag and a first magnet block;

the right air bag assembly comprises a second air bag, a third air bag and a second magnet block;

one end of the first air bag is fixed on the left side of the upper surface of the bed board, and the first air bag is communicated with an air outlet of the air pump assembly through an air delivery pipe on the air pump assembly, which is close to the first air bag;

one end of the second air bag is fixed on the right side of the upper surface of the bed board, and the second air bag is communicated with an air outlet of the air pump assembly through an air conveying pipe close to the second air bag on the air pump assembly.

The first air bag expands towards the direction of the second air bag when inflated, and the second air bag expands towards the direction of the first air bag when inflated, so that the first air bag and the second air bag are integrally shaped like a '21274', and the first air bag and the second air bag are used for restraining the bedridden patient;

the third air bag is positioned at the top end of the second air bag, the shape of the third air bag when the third air bag is expanded is a right triangle, the position of the bevel edge is close to the first air bag, and the interior of the third air bag is communicated with the interior of the second air bag;

when the second air bag and the third air bag are expanded, the top end of the first air bag is positioned above the second air bag, and the third air bag penetrates through the opening in the first air bag;

the first magnet block is fixed on the lower surface of the top end of the first air bag, the second magnet block is fixed on the upper surface of the second air bag, and the first magnet block and the second magnet block are the same in size and opposite in position.

The number of the turnover cavities is the same as that of the bed boards;

the width of the turnover cavity is smaller than that of the bed plate;

the arc-shaped rails are symmetrically fixed on two sides of the overturning cavity, grooves are formed in the arc-shaped rails, and the grooves on the two sides of the overturning cavity are opposite;

the direction of the arc-shaped track is vertical to the direction of the transmission shaft;

the overturning belt is annular, the width of the overturning belt is the same as that of the overturning cavity, and the overturning belt is attached to the groove of the arc-shaped track and the inner wall of the overturning cavity;

the bottom mounting of flexible subassembly is taken and flexible subassembly is located the arc track top at the upset for the upset is taken and is driven flexible subassembly and remove along the arc track.

The track drive assembly includes a pressure wheel cavity;

the pressure wheel cavities are symmetrically distributed on two sides of the bottom of the turnover cavity, and the width of the pressure wheel cavity is the same as that of the turnover cavity;

two ends of a central shaft of the driving pinch roller are fixed on the inner wall of the pinch roller cavity, and the direction of the driving pinch roller is the same as that of the transmission shaft;

one side of the driving pinch roller close to the turnover belt is abutted against the turnover belt.

The width of the driven pinch roller is the same as that and the direction of the driving pinch roller, and two ends of a central shaft of the driven pinch roller are fixed on the inner wall of the turnover cavity;

the quantity of driven pinch rollers is the same with the quantity of initiative pinch roller, and initiative pinch roller sets up with the driven pinch roller that corresponds relatively, is pressing the upset area in the middle of the two for drive the upset area and rotate under the cooperation of initiative pinch roller and driven pinch roller.

The arc-shaped rail is a rubber rail made of rubber;

the side edge of the turning belt is in sealed contact with the inner part of the turning cavity, the turning belt is in sealed contact with the arc-shaped track, and the space enclosed by the turning belt and the inner wall of the turning cavity is filled with water.

One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

the bed plate, the moving device and the fixing device are arranged on the bed body; the patient lies on the bed board on the back, the bed board can fall into the bed board groove of the bed body under the action of the moving device, the corresponding bed board is selected to slide along the overturning assembly, and the patient is fixed on the corresponding bed board by the fixing device, so that the body of the patient is overturned by 90 degrees; the technical problem that the possibility that a patient collides with a side baffle or the patient falls down from a nursing bed is high when the existing nursing bed supports the patient with the heavy weight through the overturning assembly is effectively solved, and the technical effect that the possibility that the patient collides with the side baffle or the patient falls down from the nursing bed is low when the patient with the heavy weight is supported by the overturning assembly on the nursing bed to turn over is realized.

Drawings

FIG. 1 is a schematic view of a nursing bed of the nursing bed for bedridden patients according to the present invention;

FIG. 2 is a bed structure view of the nursing bed for the bedridden patients;

FIG. 3 is a schematic view of the bed body of the bedridden patient nursing bed of the present invention;

FIG. 4 is a schematic view of a bed plate of the nursing bed for bedridden patients according to the present invention;

FIG. 5 is a schematic view of a driving device of the nursing bed for the bedridden patients according to the present invention;

FIG. 6 is a schematic view of a fixing device of the bedridden patient care bed of the present invention;

FIG. 7 is a top view of a securing device for a bed patient care bed of the present invention;

FIG. 8 is a structural view of a fixing device of the bedridden patient nursing bed of the invention;

FIG. 9 is a schematic view of a first magnet block and a second magnet block of the bedridden patient nursing bed of the present invention;

FIG. 10 is a structural view of a turning assembly of the bedridden patient care bed of the present invention;

FIG. 11 is a schematic view of the turn-over belt of the bedridden patient care bed of the present invention;

fig. 12 is a schematic view of the turn-over assembly of the bedridden patient care bed of the present invention.

In the figure:

the bed body 100, the supporting legs 110, the side baffle 120, the bed head baffle 130, the bed tail baffle 140 and the bed board groove 150;

the bed plate 200, the supporting side plate 210, the air pump assembly 220 and the air conveying pipe 221;

the device comprises a moving device 300, a telescopic component 310, an outer rod 311, an inner rod 312, a turnover component 320, a turnover cavity 321, an arc-shaped track 322, a turnover belt 323, a pinch roller cavity 330, a driving pinch roller 331 and a driven pinch roller 332;

a driving device 400, a driving cavity 410, a transmission shaft 420, a transmission gear 430 and a driving motor assembly 440;

the fixing device 500, the left air bag assembly 510, the first air bag 511, the first magnet block 512, the right air bag assembly 520, the second air bag 521, the third air bag 522 and the second magnet block 523.

Detailed Description

In order to facilitate an understanding of the present invention, the present application will now be described more fully with reference to the accompanying drawings; the preferred embodiments of the present invention are illustrated in the accompanying drawings, but the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete.

It is noted that the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a schematic view of a nursing bed structure of a bed for patient lying in bed according to the present invention is shown, the bed for patient lying in bed according to the present invention includes a bed body 100, a bed board 200, a moving device 300 and a fixing device 500; the patient lies on the bed board 200 in a supine position, the bed board 200 can fall into the bed board groove 150 of the bed body 100 under the action of the moving device 300, and the corresponding bed board 200 is selected to slide along the overturning assembly 320, the patient is fixed on the corresponding bed board 200 by the fixing device 500, and then the body of the patient is overturned by 90 degrees; the technical problem of the current nursing bed use upset subassembly 320 to support the heavier disease of weight and to get up and have the disease and the side shield 120 bump or the disease falls down from nursing bed the great possibility when standing up is solved, and then realized when the upset subassembly 320 on the nursing bed supported the heavier disease of weight and got up and turn up, the disease bumped with side shield 120 or the less possibility that the disease fell down from nursing bed the less technological effect.

Example one

As shown in fig. 1, the patient care bed for bed rest of the present application comprises a bed body 100, a bed plate 200, a moving device 300, a driving device 400, a fixing device 500, a power assembly and a control unit; a plurality of supporting legs 110 are fixedly connected below the bed body 100; a bed head baffle 130 is fixed at the bed head position of the bed body 100, and a bed tail baffle 140 is fixed at the bed tail position; side baffles 120 are arranged at two sides of the bed body 100; a bed plate groove 150 is formed in the middle of the bed body 100; the longitudinal section of the bed plate groove 150 is semicircular.

As shown in fig. 2, 3 and 4; the deck 200 includes a support side plate 210 and an air pump assembly 220; the cross section of the bed board 200 is rectangular, the bottom of the bed board is arched, the upper surface of the bed board is horizontal, and a patient can lie on the bed board 200 conveniently; the number of the bed boards 200 is multiple; the inner part of the bed board 200 is hollow, and an air pump assembly 220 is fixed in the inner part; the supporting side plate 210 is a rectangular plate as a whole, one surface of the supporting side plate 210, which penetrates through the bed body 100 and is close to the bed plate 200, is an arc-shaped surface and can correspond to the arc-shaped surface of the bed plate 200, so that the supporting side plate 210 and the bed plate 200 can be spliced together, and the supporting side plate 210 can support the bed plate 200; the number of the supporting side plates 210 is twice that of the bed plate 200, and the supporting side plates 210 are symmetrically distributed on two sides of the bed plate 200, so that the supporting side plates 210 can be matched with the bed plate 200 to cover the bed plate groove 150; the bottom surface of the supporting side plate 210 is connected with the driving device 400, and the supporting side plate 210 can be close to or far away from the bed plate 200 under the action of the driving device 400; the center of the bottom of the bed board 200 is fixedly connected with the moving device 300, so that the bed board 200 can move the patient into the bed board slot 150; the air pump assembly 220 is fixedly connected with a plurality of air conveying pipes 221, the air pump assembly 220 comprises a plurality of air pumps, and the number of the air pumps is the same as that of the air conveying pipes 221 and the air conveying pipes 221 correspond to each other one by one.

Further, the bed board 200 is provided with a vent hole, so that the air pump assembly 220 in the bed board 200 can normally operate.

The mobile device 300 comprises a telescoping assembly 310 and a flipping assembly 320; the top end of the telescopic component 310 is fixedly connected with the bottom of the bed board 200, and the bottom end of the telescopic component 310 is connected to the overturning component 320, so that the height of the bed board 200 can be adjusted; when the telescopic assembly 310 is in the longest state, the bed board 200 can be spliced with the supporting side plate 210; the turnover assembly 320 is positioned at the bottom of the bed plate groove 150, the longitudinal section of the turnover assembly 320 is in a major arc shape, the turnover assembly 320 comprises an arc-shaped rail 322, the arc-shaped rail 322 is in a major arc shape, and the telescopic assembly 310 can slide along the arc-shaped rail 322 under the driving of the rail driving assembly; the number of the turnover assemblies 320 is the same as that of the bed boards 200, and the turnover assemblies 320 are arranged in one-to-one correspondence with the bed boards 200.

As shown in fig. 5, the driving device 400 includes a driving chamber 410, a driving shaft 420, a driving gear 430, and a driving motor assembly 440; two sides of the bed body 100 are provided with driving cavities 410, and the transmission shaft 420 is located inside the driving cavities 410; two ends of the transmission shaft 420 are fixed on the bed body 100 through bearings; a plurality of transmission gears 430 are fixedly connected to the transmission shaft 420; the number of the transmission gears 430 is the same as that of the support side plates 210; a tooth groove meshed with the transmission gear 430 is formed in the middle of the bottom surface of the supporting side plate 210, so that the transmission gear 430 can drive the supporting side plate 210 to slide left and right; the driving motor assembly 440 is fixed in the bed plate groove 150; the number of the driving motor assemblies 440 is two, and the two driving motor assemblies 440 are respectively located at two sides of the bed 100; the output end of the driving motor assembly 440 is engaged with the transmission gear 430 through an output gear, so that the driving motor assembly 440 can drive the transmission shaft 420 and the transmission gear 430 to rotate.

Preferably, the output end of the driving motor assembly 440 is engaged with the driving gear 430 at the middle position on the driving shaft 420 through an output gear.

As shown in fig. 6 to 9, the fixing device 500 includes a left airbag module 510 and a right airbag module 520; the left air cell assembly 510 includes a first air cell 511 and a first magnet block 512; the right air bag assembly 520 comprises a second air bag 521, a third air bag 522 and a second magnet block 523; one end of the first air bag 511 is fixed on the left side of the upper surface of the bed board 200, and the first air bag 511 is communicated with the air outlet of the air pump assembly 220 through an air pipe 221 on the air pump assembly 220, which is close to the first air bag 511; one end of the second air bag 521 is fixed on the right side of the upper surface of the bed board 200, and the second air bag 521 is communicated with the air outlet of the air pump assembly 220 through an air pipe 221 on the air pump assembly 220 close to the second air bag 521; the first air bag 511 expands towards the second air bag 521 when inflated, and the second air bag 521 expands towards the first air bag 511 when inflated, so that the first air bag 511 and the second air bag 521 are both in an overall shape of '21274', and the first air bag 511 and the second air bag 521 surround the patient and can fix the bedridden patient; the third air bag 522 is positioned at the top end of the second air bag 521, the shape of the third air bag 522 when being expanded is a right triangle, the position of the inclined edge is close to the first air bag 511, and the inside of the third air bag 522 is communicated with the inside of the second air bag 521; when the first airbag 511 is inflated, a rectangular opening is formed at the opening, when the second airbag 521 and the third airbag 522 are inflated, the top end of the first airbag 511 is positioned above the second airbag 521, and the third airbag 522 can pass through the opening on the first airbag 511; the first magnet block 512 is fixed on the lower surface of the top end of the first air bag 511, the second magnet block 523 is fixed on the upper surface of the second air bag 521, the first magnet block 512 and the second magnet block 523 have the same size and are opposite in position, so that when the second air bag 521 and the third air bag 522 are expanded, the first magnet block 512 and the second magnet block 523 can be adsorbed together, and the fixing device 500 can fix a patient more conveniently.

Further, the telescopic assembly 310 comprises an outer rod 311 and an inner rod 312; the outer rod 311 is sleeved outside the inner rod 312, the inner rod 312 is a hollow rod with an opening at the upper end, the outer rod 311 is communicated with the inside of the inner rod 312, and the outer diameter of the inner rod 312 is the same as the inner diameter of the outer rod 311; the end of the outer rod 311 far away from the inner rod 312 is fixed on the bed board 200, the end of the inner rod 312 far away from the outer rod 311 is fixed on the turnover component 320, and the air pump component 220 delivers or sucks air into the telescopic component 310 through an air delivery pipe 221 to control the telescopic length of the telescopic component 310.

Further, the number of bed boards 200 is 7, and the width of every bed board 200 is 30 centimetres, and the length that 7 bed boards 200 splice together is 210 centimetres, can satisfy the height requirement of most diseases.

Further, when a patient falls into the bed plate groove 150 and needs to turn over, a proper bed plate 200 is selected for turning over according to the height and the supine position of the patient, if the patient is supine on 5 bed plates 200, the 2 nd and 4 th bed plates 200 counted from the bed head can be selected for turning over during turning over, and other bed plates 200 are positioned under the patient for bearing the patient; if the patient lies on the back on the 6 bed boards 200, the 2 nd and 5 th bed boards 200 counted from the bed head can be selected for turning over during turning over, and other bed boards 200 are positioned under the patient for bearing the patient; if the patient lies on the back on 7 bed boards 200, the 2 nd, 4 th and 6 th bed boards 200 counted from the bed head can be selected for turning over during turning over, and other bed boards 200 are positioned under the patient for bearing the patient.

The power assembly is used for supplying power for the operation of the detection platform, and preferably adopts an alternating current power supply or a battery; the control unit is used for controlling the coordinated operation of all parts of the detection platform, and preferably is a programmable logic controller; are all the prior art and are not described herein.

When the bed patient nursing bed provided by the embodiment of the application runs actually, the steps are as follows:

s1: firstly, the driving device 400 is opened, and the supporting side plates 210 are moved to the two sides of the bed plate 200, so that the bed plate 200 can move downwards;

s2: then operating the telescopic assembly 310 to enable a patient lying on the bed board 200 to fall into the bed board groove 150, selecting a proper bed board 200 according to the height and the supine position of the patient, and opening the air pump assembly 220 in the corresponding bed board 200 to enable the patient to be fixed by the fixing device 500;

s3: the telescopic assembly 310 is operated to lift the corresponding bed board 200 by 10 cm, so that the patient is not hindered by the bed board 200 under the patient when turning over;

s4: the mobile device 300 is operated to enable the patient to rotate 90 degrees under the driving of the corresponding bed board 200;

s5: the opened fixing device 500 is closed, and the rotated bed board 200 rotates back to the position under the patient and falls to the same height with other bed boards 200;

s6: the telescopic assembly 310 is operated to raise the deck 200, and the support side plates 210 are assembled with the deck 200 again by the driving unit 400.

The technical scheme in the embodiment of the application at least has the following technical effects or advantages:

the technical problem that when the turning assembly 320 is used for supporting a patient with a heavy weight to turn over the patient in the existing nursing bed, the patient collides with the side baffle 120 or the patient falls off from the nursing bed is high in possibility, and therefore the technical effect that when the turning assembly 320 on the nursing bed supports the patient with the heavy weight to turn over the patient, the patient collides with the side baffle 120 or the patient falls off from the nursing bed is low in possibility is achieved; the nursing bed is provided with the bed boards 200, so that the nursing bed can select the proper bed board 200 to turn over according to the height and the supine position of a patient when the patient turns over, and the application range of the nursing bed is larger.

Example two

In the above embodiment, the bedridden patient nursing bed in the actual operation process finds that the possibility that a patient with heavy weight collides with the side baffle or falls off from the nursing bed is reduced, but when the patient lies on the back to turn over on the bed board 200, if the center of gravity of the patient is unstable or the body of the patient shakes, the patient may fall on the turnover assembly 320 from the bed board 200, most of the existing rails are made of hard materials, and the patient may be injured. The embodiment of the present application performs certain optimization on the structure of the mobile device 300 on the basis of the above embodiments.

As shown in fig. 10, 11 and 12, the inversion assembly 320 includes an inversion chamber 321, an arcuate track 322, and an inversion belt 323; the turnover cavities 321 are positioned in the bed body 100, the turnover cavities 321 are positioned right below the bed board 200, and the quantity of the turnover cavities 321 is the same as that of the bed board 200; the width of the turnover cavity 321 is smaller than that of the bed board 200; the arc-shaped track 322 is positioned between the turnover cavity 321 and the bed board groove 150, and the arc-shaped track 322 is arc-shaped; the arc-shaped rails 322 are symmetrically fixed on two sides of the turnover cavity 321, grooves are formed in the arc-shaped rails 322, and the grooves on the two sides of the turnover cavity 321 are opposite; the direction of the arc-shaped track 322 is perpendicular to the direction of the transmission shaft 420; the overturning belt 323 is annular, the width of the overturning belt 323 is the same as that of the overturning cavity 321, and the overturning belt 323 is attached to the groove of the arc-shaped track 322 and the inner wall of the overturning cavity 321; the bottom end of the telescopic assembly 310 is fixed on the turning belt 323, and the telescopic assembly 310 is located above the arc-shaped track 322, so that the turning belt 323 can drive the telescopic assembly 310 to move along the arc-shaped track 322.

The track drive assembly includes a pressure wheel cavity 330; the pressure wheel cavities 330 are symmetrically distributed on two sides of the bottom of the overturning cavity 321, and the width of the pressure wheel cavity 330 is the same as that of the overturning cavity 321; an active pressure wheel 331 is arranged in the pressure wheel cavity 330; two ends of a central shaft of the active pressing wheel 331 are fixed on the inner wall of the pressing wheel cavity 330, and the direction of the active pressing wheel 331 is the same as that of the transmission shaft 420; one side of the driving pressing wheel 331, which is close to the turning belt 323, is abutted against the turning belt 323, and the driving pressing wheel 331 can rotate; a driven pinch roller 332 is arranged in the overturning cavity 321; the width of the driven pinch roller 332 is the same as that and the direction of the driving pinch roller 331, and two ends of a central shaft of the driven pinch roller 332 are fixed on the inner wall of the turnover cavity 321; the number of the driven pinch rollers 332 is the same as that of the driving pinch rollers 331, the driving pinch rollers 331 are arranged opposite to the corresponding driven pinch rollers 332, and the turning belt 323 is pressed between the driving pinch rollers 331 and the corresponding driven pinch rollers 332, so that the turning belt 323 can be driven to rotate under the matching of the driving pinch rollers 331 and the driven pinch rollers 332.

Further, the arc-shaped rail 322 is a rubber rail made of rubber.

Furthermore, the side edge of the turning belt 323 is in sealed contact with the inside of the turning cavity 321, the turning belt 323 is in sealed contact with the arc-shaped track 322, and the space enclosed by the turning belt 323 and the inner wall of the turning cavity 321 is filled with water.

when the patient lies on the back to turn over the bed board 200, if the gravity center of the patient is unstable or the body of the patient shakes, the patient falls onto the turnover assembly 320 from the bed board 200, the turnover assembly 320 can play a role in buffering, so that the patient cannot be injured too much.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. A nursing bed for bedridden patients comprises a bed body (100) and a bed board (200), and is characterized by also comprising a moving device (300), a driving device (400) and a fixing device (500);

a bed plate groove (150) with a semicircular longitudinal section is formed in the bed body (100);

the moving device (300) is positioned in the bed plate groove (150);

the moving device (300) comprises a telescopic assembly (310), a turnover assembly (320) and a track driving assembly;

the telescopic component (310) comprises an inner rod (312) and an outer rod (311) sleeved outside the inner rod (312), and the outer diameter of the inner rod (312) is the same as the inner diameter of the outer rod (311);

one end of the outer rod (311) far away from the inner rod (312) is fixed on the bed board (200), and one end of the inner rod (312) far away from the outer rod (311) is connected to the turnover component (320) in a sliding mode;

the overturning assembly (320) is connected with the track driving assembly in a sliding manner;

the fixing device (500) comprises a left air bag assembly (510) and a right air bag assembly (520) which are fixed on two sides of the bed board (200), the left air bag assembly and the right air bag assembly are contracted on two sides of the bed board (200) before being expanded, and are expanded towards the upper part of a patient when being expanded, the expanded overall shape is '21274', and the patient is fixed from two sides of the bed board (200).

2. The bedridden patient care bed according to claim 1, wherein the bed board (200) is symmetrically distributed with supporting side boards (210) at both sides;

the supporting side plate (210) is a rectangular plate as a whole, one surface of the supporting side plate (210) penetrating through the bed body (100) and close to the bed plate (200) is an arc-shaped surface and corresponds to the arc-shaped surface of the bed plate (200), so that the supporting side plate (210) can be spliced with the bed plate (200), and the supporting side plate (210) plays a supporting role in supporting the bed plate (200);

the inner part of the bed board (200) is hollow, and an air pump assembly (220) is fixed in the inner part;

the bed board (200) is provided with a vent hole;

the number of the bed plates (200) is multiple;

support side plates (210) are symmetrically distributed on two sides of the bed plate (200);

the bottom surface of the supporting side plate (210) is connected with the driving device (400), and the supporting side plate (210) is close to or far away from the bed plate (200) under the action of the driving device (400);

a plurality of air conveying pipes (221) are fixedly connected to the air pump assembly (220);

the air pump assembly (220) comprises a plurality of air pumps, the number of the air pumps is the same as that of the air conveying pipes (221), and the air pumps correspond to the air conveying pipes one by one.

3. A bedridden patient care bed as claimed in claim 2, wherein the inner rod (312) is a hollow rod open at the upper end, and the outer rod (311) communicates with the interior of the inner rod (312);

one end of the outer rod (311) far away from the inner rod (312) is fixed on the bed board (200), one end of the inner rod (312) far away from the outer rod (311) is fixed on the turnover component (320), and the air pump component (220) conveys or sucks air into the telescopic component (310) through an air conveying pipe (221) and is used for controlling the telescopic length of the telescopic component (310);

when the telescopic assembly (310) is in the longest state, the bed board (200) and the supporting side plate (210) are spliced together;

the turnover assemblies (320) are positioned at the bottoms of the bed plate grooves (150), the number of the turnover assemblies (320) is the same as that of the bed plates (200), and the turnover assemblies (320) are arranged in one-to-one correspondence with the bed plates (200).

4. The bedridden patient care bed of claim 3, wherein the drive device (400) comprises a drive chamber (410), a drive shaft (420), a drive gear (430), and a drive motor assembly (440);

two sides of the bed body (100) are provided with driving cavities (410), and the transmission shaft (420) is positioned in the driving cavities (410);

two ends of the transmission shaft (420) are fixed on the bed body (100) through bearings;

a plurality of transmission gears (430) are fixedly connected to the transmission shaft (420);

the number of the transmission gears (430) is the same as that of the supporting side plates (210);

a tooth socket meshed with the transmission gear (430) is arranged in the middle of the bottom surface of the supporting side plate (210), so that the transmission gear (430) drives the supporting side plate (210) to slide left and right;

the driving motor assembly (440) is fixed in the bed plate groove (150);

the number of the driving motor assemblies (440) is two, and the two driving motor assemblies (440) are respectively positioned on two sides of the bed body (100);

the output end of the driving motor assembly (440) is meshed with the transmission gear (430) through the output gear, so that the driving motor assembly (440) drives the transmission shaft (420) and the transmission gear (430) to rotate.

5. The bedridden patient care bed of claim 4, wherein the securing device (500) includes a left bladder assembly (510) and a right bladder assembly (520);

the left air bag assembly (510) comprises a first air bag (511) and a first magnet block (512);

the right air bag assembly (520) comprises a second air bag (521), a third air bag (522) and a second magnet block (523);

one end of the first air bag (511) is fixed on the left side of the upper surface of the bed board (200), and the first air bag (511) is communicated with an air outlet of the air pump assembly (220) through an air pipe (221) on the air pump assembly (220) close to the first air bag (511);

one end of the second air bag (521) is fixed on the right side of the upper surface of the bed board (200), and the second air bag (521) is communicated with an air outlet of the air pump assembly (220) through an air pipe (221) on the air pump assembly (220) and close to the second air bag (521).

6. The bedridden patient care bed according to claim 5, wherein the first air bag (511) inflates in the direction of the second air bag (521) when inflated, and the second air bag (521) inflates in the direction of the first air bag (511) when inflated, so that the first air bag (511) and the second air bag (521) have an overall shape of '21274', when inflated, for restraining the bedridden patient;

the third air bag (522) is positioned at the top end of the second air bag (521), the shape of the third air bag (522) is a right triangle when being expanded, the hypotenuse position is close to the first air bag (511), and the inside of the third air bag (522) is communicated with the inside of the second air bag (521);

when the first air bag (511) is expanded, a rectangular opening is formed at the opening, when the second air bag (521) and the third air bag (522) are expanded, the top end of the first air bag (511) is positioned above the second air bag (521), and the third air bag (522) passes through the opening on the first air bag (511);

the first magnet block (512) is fixed on the lower surface of the top end of the first air bag (511), the second magnet block (523) is fixed on the upper surface of the second air bag (521), and the first magnet block (512) and the second magnet block (523) are the same in size and opposite in position.

7. The bedridden patient care bed according to claim 6, wherein the number of the turn-over chambers (321) is the same as the number of the bed plates (200);

the width of the turnover cavity (321) is smaller than that of the bed plate (200);

the arc-shaped rails (322) are symmetrically fixed on two sides of the turnover cavity (321), grooves are formed in the arc-shaped rails (322), and the grooves on the two sides of the turnover cavity (321) are opposite;

the direction of the arc-shaped track (322) is vertical to the direction of the transmission shaft (420);

the turnover belt (323) is annular, the width of the turnover belt (323) is the same as that of the turnover cavity (321), and the turnover belt (323) is attached to the groove of the arc-shaped track (322) and the inner wall of the turnover cavity (321);

the bottom end of the telescopic assembly (310) is fixed on the turning belt (323) and the telescopic assembly (310) is located above the arc-shaped track (322), so that the turning belt (323) drives the telescopic assembly (310) to move along the arc-shaped track (322).

8. A bed patient care bed as set forth in claim 7 wherein the rail drive assembly includes a pressure wheel chamber (330);

the pinch roller cavities (330) are symmetrically distributed at two sides of the bottom of the turnover cavity (321), and the width of the pinch roller cavities (330) is the same as that of the turnover cavity (321);

two ends of a central shaft of the active pressing wheel (331) are fixed on the inner wall of the pressing wheel cavity (330), and the direction of the active pressing wheel (331) is the same as that of the transmission shaft (420);

one side of the driving pressing wheel (331) close to the turning belt (323) is abutted against the turning belt (323).

9. The sickbed patient care bed according to claim 8, wherein the width of the driven pressure wheel (332) is the same as the width and the direction of the driving pressure wheel (331), and both ends of the central shaft of the driven pressure wheel (332) are fixed on the inner wall of the turnover cavity (321);

the number of the driven pinch rollers (332) is the same as that of the driving pinch rollers (331), the driving pinch rollers (331) are arranged opposite to the corresponding driven pinch rollers (332), and the turning belt (323) is pressed between the driving pinch rollers and the driven pinch rollers, so that the turning belt (323) is driven to rotate under the matching of the driving pinch rollers (331) and the driven pinch rollers (332).

10. The bedridden patient care bed according to claim 9, wherein the arcuate rail (322) is a rubber rail made of rubber;

the side edge of the turning belt (323) is in sealed contact with the inner part of the turning cavity (321), the turning belt (323) is in sealed contact with the arc-shaped track (322), and the space enclosed by the turning belt (323) and the inner wall of the turning cavity (321) is filled with water.