CN114869616A

CN114869616A - Nursing branch of academic or vocational study bed patient in bed assists nursing bed of standing up

Info

Publication number: CN114869616A
Application number: CN202210533630.XA
Authority: CN
Inventors: 刘莉芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-08-09

Abstract

The invention relates to a nursing bed, in particular to a nursing bed for assisting a patient lying in bed in a nursing department to turn over. The invention provides an auxiliary turning-over nursing bed for bedridden patients in nursing departments, which can automatically turn over, automatically clean and prevent falling. The utility model provides a nursing branch of academic or vocational study bed patient in bed assists and stands up nursing bed, includes chassis, control box, spout, first telescopic link, arc bed board, elevating system and turnover mechanism etc. the control box is installed on anterior right side on the chassis, and both sides all are equipped with the spout around the chassis, and equal slidingtype is equipped with first telescopic link on two spouts, is connected with the arc bed board between two first telescopic link upper portions, and chassis upper portion rear side is equipped with elevating system, is connected with turnover mechanism between arc bed board, elevating system and the chassis. According to the invention, the second rotating shaft is driven to rotate through the rotation of the output shaft of the speed reducing motor, so that the belt and the first rotating shaft rotate, the swing frame and the arc bed board rotate, the effect of assisting in turning is realized, and the manpower is saved.

Description

Nursing branch of academic or vocational study bed patient in bed assists nursing bed of standing up

Technical Field

The invention relates to a nursing bed, in particular to a nursing bed for assisting a patient lying in bed in a nursing department to turn over.

Background

Nursing bed mainly used is in the recovery period and inconvenient patient uses, the nursing bed that can assist patient to do the motion slightly has certain help to patient's recovery, current nursing bed can only be simple go up and down and fold, because the nurse often needs to wash the patient, nursing bed nurse to can not overturn needs manual promotion patient to stand up, very consume the physical power of nurse like this, when patient need be like the lavatory, still need family and nurse to use like the lavatory apparatus help patient to go on like the lavatory and clear up, people's intensity of labour has been increaseed, so need design a nursing bed.

Therefore, the nursing bed for assisting the patient lying in bed in the nursing department with automatic overturning, automatic cleaning and falling prevention is particularly needed to be designed to solve the problems in the prior art.

Disclosure of Invention

In order to overcome the shortcoming that current nursing bed does not have upset function and inconvenient patient like the lavatory, technical problem: provides an auxiliary turning-over nursing bed for bedridden patients in nursing departments, which can automatically turn over, automatically clean and prevent falling.

The technical scheme is as follows: the utility model provides a nursing branch of academic or vocational study bed patient in bed assists and stands up nursing bed, including the chassis, the control box, first contact switch, second contact switch, the spout, first telescopic link, the arc bed board, elevating system and turnover mechanism, the control box is installed on anterior right side on the chassis, the anterior upside of control box is equipped with first contact switch, the anterior one side of keeping away from first contact switch of control box is equipped with second contact switch, both sides all are equipped with the spout around the chassis, equal slidingtype is equipped with first telescopic link on two spouts, be connected with the arc bed board between two first telescopic link upper portions, chassis upper portion rear side is equipped with elevating system, the arc bed board, be connected with turnover mechanism between elevating system and the chassis.

Optionally, the lifting mechanism comprises a first electric push rod, a first mounting block and a fixing ring, the first mounting block is arranged on the rear side of the upper portion of the underframe, the first electric push rod is mounted on the first mounting block, and the fixing ring is connected to a telescopic rod of the first electric push rod.

Optionally, the turnover mechanism comprises a first rotating shaft, a swinging frame, a belt, a first mounting ring, a speed reduction motor and a second rotating shaft, the fixed ring is provided with the first rotating shaft in a rotating mode, the front side of the first rotating shaft is provided with the swinging frame connected with the arc-shaped bed plate, the speed reduction motor is installed on the rear side of the underframe, the rear side of the underframe is provided with the first mounting ring, the output shaft of the speed reduction motor is connected with the second rotating shaft in a rotating mode, and the belt is wound between the second rotating shaft and the first rotating shaft through a driving wheel.

Optionally, still including dropproof mechanism, dropproof mechanism is including second electric putter, connecting plate, guardrail, first distance sensor and second distance sensor, and second electric putter is all installed to both sides around the arc bed board, all is connected with the connecting plate on two second electric putter telescopic links, all is equipped with the guardrail with arc bed board sliding connection on two connecting plates, and the swing span downside is equipped with first distance sensor, is equipped with second distance sensor in the middle of the connecting plate upper portion of front side.

Optionally, still including inflating the mechanism, inflating the mechanism and including second installation piece, air pump, pipeline and gasbag, the arc bed board lower part left and right sides all is equipped with the second installation piece, all is equipped with the air pump on two second installation pieces, and the arc bed board left and right sides all is equipped with the gasbag, all is connected with the pipeline between the gasbag of two air pumps and homonymy.

Optionally, still including like the lavatory mechanism, like the lavatory mechanism including the second collar, third electric putter, the propelling movement frame, the second telescopic link, first movable plate, slide and slide bar, arc bed board lower part rear side is equipped with the second collar, install third electric putter on the second collar, be connected with the propelling movement frame on the third electric putter telescopic link, the anterior left and right sides of propelling movement frame all is equipped with the second telescopic link, be connected with first movable plate between two second telescopic link fronts, arc bed board lower part left and right sides all is equipped with the slide, first movable plate downside is equipped with the slide bar with slide sliding type connection.

Optionally, still including washing the mechanism, wash the mechanism including the water pipe, the solenoid valve, the filth pond, the third installation piece, fourth electric putter, the baffle, the second movable plate, the third telescopic link, spring and third distance sensor, be equipped with the filth pond between two spouts, be connected with the water pipe between filth pond right part and the chassis, the water pipe left side is equipped with the solenoid valve, filth pond left part front side is equipped with the third installation piece, install fourth electric putter on the third installation piece, be connected with the baffle with filth pond sliding connection on the fourth electric putter telescopic link, the filth pond left and right sides all is equipped with the third telescopic link, be connected with the second movable plate between two third telescopic link upsides, all be connected with the spring between second movable plate lower part left and right sides and the filth pond, the spring is around on the third telescopic link, filth pond inside rear side is equipped with third distance sensor.

Optionally, a switch power supply, a power supply module and a control module are installed in the control box, the switch power supply supplies power to the nursing bed for assisting the patient lying in bed in the nursing department to turn over, the output end of the switch power supply is electrically connected with the control module, the power supply module is connected with a power main switch through a line, the control module is connected with a DS1302 clock circuit and a 24C02 circuit, the first distance sensor, the second distance sensor, the third distance sensor, the first contact switch and the second contact switch are both electrically connected with the control module, the first electric push rod, the second electric push rod, the third electric push rod, the fourth electric push rod, the electromagnetic valve and the air pump are both connected with the control module through a relay control module, and the speed reduction motor is connected with the control module through a direct current motor forward and reverse rotation module.

The invention has the beneficial effects that: 1. according to the invention, the second rotating shaft is driven to rotate through the rotation of the output shaft of the speed reducing motor, so that the belt and the first rotating shaft are rotated, the swing frame and the arc-shaped bed plate are rotated, the effect of assisting in turning is realized, and the labor is saved;

2. the excrement of the patient falls into the sewage pool, and when the third distance sensor senses that the distance between the third distance sensor and the second moving plate reaches a preset value, the control module controls the electromagnetic valve to be started, so that the water flowing out of the water pipe cleans the sewage pool and the second moving plate, and the automatic cleaning effect is achieved;

3. when first distance sensor senses and reach first default with the distance between the chassis, second electric putter telescopic link drives the guardrail rebound to this effect of having realized the dropproof has avoided the patient to fall from arc bed board when standing up the patient.

Drawings

Fig. 1 is a schematic perspective view of a first perspective structure according to the present invention.

Fig. 2 is a perspective view of a second perspective structure according to the present invention.

Fig. 3 is a schematic diagram of a third perspective structure according to the present invention.

Fig. 4 is a schematic perspective view of the lifting mechanism of the present invention.

Fig. 5 is a schematic perspective view of the turning-over mechanism of the present invention.

Fig. 6 is a schematic view of a cross-sectional three-dimensional structure of the turn-over mechanism of the invention.

Fig. 7 is a schematic perspective view of a first part of the fall arrest mechanism of the present invention.

Fig. 8 is a schematic view of a first partially cut-away perspective structure of the fall arrest mechanism of the present invention.

Fig. 9 is a schematic perspective view of a second part of the fall arrest mechanism of the present invention.

Fig. 10 is a second partially cut-away perspective view of the fall arrest mechanism of the present invention.

FIG. 11 is a perspective view of a first portion of the inflation mechanism of the present invention.

FIG. 12 is a perspective view of a second portion of the inflation mechanism of the present invention.

Fig. 13 is a perspective view of a first part of the toilet mechanism of the present invention.

Fig. 14 is a perspective view of a second portion of the toilet mechanism of the present invention.

Fig. 15 is a perspective view of the flushing mechanism of the present invention.

Fig. 16 is a schematic sectional perspective view of the flushing mechanism of the present invention.

Fig. 17 is a circuit block diagram of the present invention.

Fig. 18 is a schematic circuit diagram of the present invention.

Description of reference numerals: 1_ underframe, 2_ control box, 31_ first contact switch, 32_ second contact switch, 4_ chute, 5_ first telescopic rod, 6_ arc bed plate, 7_ elevator mechanism, 71_ first electric push rod, 72_ first mounting block, 73_ fixed ring, 8_ turnover mechanism, 81_ first rotating shaft, 82_ swing frame, 83_ belt, 84_ first mounting ring, 85_ speed reducing motor, 86_ second rotating shaft, 9_ anti-falling mechanism, 91_ second electric push rod, 92_ connecting plate, 93_ guardrail, 94_ first distance sensor, 95_ second distance sensor, 10_ inflation mechanism, 101_ second mounting block, 102_ air pump, 103_ pipe, 104_ air bag, 11_ toilet mechanism, 111_ second mounting ring, 112_ third electric push rod, 113_ push frame, 114_ second telescopic rod, 115_ first moving plate, 116_ slide way, 117_ slide way, 12_ flushing mechanism, 121_ water pipe, 122_ electromagnetic valve, 123_ sewage pool, 124_ third mounting block, 125_ fourth electric push rod, 126_ baffle, 127_ second moving plate, 128_ third telescopic rod, 129_ spring and 1210_ third distance sensor.

Detailed Description

The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.

Example 1

The utility model provides a nursing bed is stood up in assistance of nursing branch of academic or vocational study bed patient, as shown in fig. 1-6, including chassis 1, control box 2, first contact switch 31, second contact switch 32, spout 4, first telescopic link 5, arc bed board 6, elevating system 7 and turnover mechanism 8, control box 2 is installed on the anterior right side on chassis 1, chassis 1 upper portion rear side is equipped with elevating system 7, the anterior upside of control box 2 is equipped with first contact switch 31, the anterior downside of control box 2 is equipped with second contact switch 32, chassis 1 front and back both sides all are equipped with spout 4, equal slidingtype is equipped with first telescopic link 5 on two spouts 4, be connected with arc bed board 6 between two first telescopic link 5 upper portions, open at arc bed board 6 middle part has the quad slit, arc bed board 6, be connected with turnover mechanism 8 between elevating system 7 and the chassis 1.

The lifting mechanism 7 comprises a first electric push rod 71, a first mounting block 72 and a fixing ring 73, the first mounting block 72 is arranged on the rear side of the upper portion of the underframe 1, the first electric push rod 71 is mounted on the first mounting block 72, and the fixing ring 73 is connected to the telescopic rod of the first electric push rod 71.

The turnover mechanism 8 comprises a first rotating shaft 81, a swinging frame 82, a belt 83, a first mounting ring 84, a speed reducing motor 85 and a second rotating shaft 86, the speed reducing motor 85 is mounted at the rear side of the bottom frame 1, the first rotating shaft 81 is rotatably arranged on the fixing ring 73, the swinging frame 82 is welded at the front side of the first rotating shaft 81, the swinging frame 82 is connected with the arc-shaped bed plate 6, the first mounting ring 84 is welded at the rear side of the bottom frame 1, the second rotating shaft 86 is connected to an output shaft of the speed reducing motor 85, the second rotating shaft 86 is rotatably connected with the first mounting ring 84, and the belt 83 is wound between the second rotating shaft 86 and the first rotating shaft 81 through a driving wheel.

When people need to use the nursing bed for assisting the patient to turn over, people can use the nursing bed for assisting the patient to turn over, firstly, people press a power supply main switch to electrify the device, then, the patient lies in the middle of the upper part of the arc-shaped bed plate 6, when people need to turn over the patient, people manually press the first contact switch 31 to enable the control module to control the first electric push rod 71 telescopic rod to extend upwards for three seconds and then close, the first electric push rod 71 telescopic rod drives the fixing ring 73 to move upwards to enable the first rotating shaft 81 to move upwards, so that the swinging frame 82 moves upwards to enable the arc-shaped bed plate 6 to move upwards, further the first telescopic rod 5 is stretched, after the first electric push rod 71 is closed for 30 minutes, the control module controls the output shaft of the speed reducing motor 85 to rotate for thirty seconds and then stop for thirty minutes and then reversely rotate for thirty seconds and then close, the output shaft of the speed reducing motor 85 drives the second rotating shaft 86 to rotate, thereby making the belt 83 rotate, making the first rotating shaft 81 rotate, and then the swing frame 82 rotate, making the arc bed board 6 rotate, and then the first telescopic rod 5 slides along the chute 4, at this time, people lie on the side of the arc bed board 6, and it is convenient for the nursing staff to clean the patient, thirty minutes later, the reverse rotation of the output shaft of the speed reducing motor 85 drives the reverse rotation of the second rotating shaft 86, so that the reverse rotation of the belt 83 is made, making the reverse rotation of the first rotating shaft 81, and then the reverse rotation of the swing frame 82, making the reverse rotation of the arc bed board 6, and then the reverse sliding of the first telescopic rod 5 along the chute 4, thirty minutes later, the control module controls the reverse rotation of the output shaft of the speed reducing motor 85 for thirty seconds, then stops thirty minutes and rotates for thirty seconds, then closes, the reverse rotation of the output shaft of the speed reducing motor 85 drives the reverse rotation of the second rotating shaft 86, so that the belt 83 rotates reversely, making the first rotating shaft 81 rotate reversely, then the swinging frame 82 rotates reversely, so that the arc bed board 6 rotates reversely, then the first telescopic rod 5 slides reversely along the sliding chute 4, at this time, people lie on the arc bed board 6 reversely, thirty minutes later, the output shaft of the speed reducing motor 85 drives the second rotating shaft 86 to rotate, so that the belt 83 rotates, so that the first rotating shaft 81 rotates, then the swinging frame 82 rotates, so that the arc bed board 6 rotates, then the first telescopic rod 5 slides along the sliding chute 4, when people do not need to turn over the patient, after the speed reducing motor 85 is turned off, people press the first contact switch 31 for a long time, so that the control module controls the first electric push rod 71 to close after the telescopic rod is shortened downwards for three seconds, the first electric push rod 71 drives the fixing ring 73 to move downwards, so that the first rotating shaft 81 moves downwards, so that the swinging frame 82 and the arc bed board 6 move downwards, so that the first telescopic rod 5 is compressed, then, people manually press the main power switch again to cut off the power of the device.

Example 2

On the basis of embodiment 1, as shown in fig. 1, fig. 2, fig. 3, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13, fig. 14, fig. 15, fig. 16, fig. 17 and fig. 18, the anti-falling device 9 further comprises an anti-falling mechanism 9, wherein the anti-falling mechanism 9 comprises a second electric push rod 91, a connecting plate 92, a guardrail 93, a first distance sensor 94 and a second distance sensor 95, the first distance sensor 94 is arranged on the lower side of the swing frame 82, the second electric push rods 91 are arranged on the front side and the rear side of the arc bed board 6, the connecting plates 92 are connected to the telescopic rods of the two second electric push rods 91, the guardrails 93 are arranged on the two connecting plates 92, the guardrails 93 are connected to the arc bed board 6 in a sliding manner, and the second distance sensor 95 is arranged in the middle of the upper portions of the connecting plates 92 on the front side.

Still including inflating mechanism 10, inflating mechanism 10 is including second installation piece 101, air pump 102, pipeline 103 and gasbag 104, and the arc bed board 6 lower part left and right sides all is equipped with the welding and has second installation piece 101, and the arc bed board 6 left and right sides all is equipped with gasbag 104, all is equipped with air pump 102 on two second installation pieces 101, all is connected with pipeline 103 between the gasbag 104 of two air pumps 102 and homonymy.

The multifunctional toilet stool is characterized by further comprising a toilet stool mechanism 11, the toilet stool mechanism 11 comprises a second mounting ring 111, a third electric push rod 112, a pushing frame 113, a second telescopic rod 114, a first moving plate 115, a slide way 116 and a slide rod 117, the second mounting ring 111 is arranged on the rear side of the lower portion of the arc-shaped bed board 6, the slide way 116 is arranged on the left side and the right side of the lower portion of the arc-shaped bed board 6, an included angle between the lower portion and the upper portion of the rear side face of the slide way 116 is 120 degrees, the third electric push rod 112 is mounted on the second mounting ring 111, the pushing frame 113 is connected onto the telescopic rod of the third electric push rod 112, the second telescopic rods 114 are arranged on the left side and the right side of the front portion of the pushing frame 113, the first moving plate 115 is connected between the front portions of the two second telescopic rods 114, the slide rod 117 is arranged on the lower side of the first moving plate 115, and the slide rod 117 is connected with the slide way 116 in a sliding mode.

The washing device further comprises a washing mechanism 12, the washing mechanism 12 comprises a water pipe 121, an electromagnetic valve 122, a dirt pool 123, a third mounting block 124, a fourth electric push rod 125, a baffle plate 126, a second moving plate 127, a third telescopic rod 128, a spring 129 and a third distance sensor 1210, the dirt pool 123 is arranged between the two sliding chutes 4, a round hole is formed in the right part of the dirt pool 123, the water pipe 121 is connected between the right part of the dirt pool 123 and the underframe 1, the electromagnetic valve 122 is arranged on the left side of the water pipe 121, the third mounting block 124 is welded on the front side of the left part of the dirt pool 123, the fourth electric push rod 125 is mounted on the third mounting block 124, the baffle plate 126 is connected on the telescopic rod of the fourth electric push rod 125, the baffle plate 126 is connected with the dirt pool 123 in a sliding manner, the third telescopic rods 128 are arranged on the left and right sides in the dirt pool 123, the second dirt moving plate 127 is connected between the upper sides of the two third telescopic rods 128, the left and right sides of the lower part of the second moving plate 127 and the dirt pool 123 are connected with the spring 129, the spring 129 is wound on the third telescopic rod 128, and a third distance sensor 1210 is arranged at the rear side in the sewage pool 123.

Install switching power supply in the control box 2, power module and control module, switching power supply supplies power for this nursing branch of academic or vocational study bed patient's supplementary nursing bed that stands up, switching power supply output end and control module pass through electric connection, there is the power master switch through the line connection on the power module, be connected with DS1302 clock circuit and 24C02 circuit on the control module, first distance sensor 94, second distance sensor 95, third distance sensor 1210, first contact switch 31 and second contact switch 32 all pass through electric connection with control module, first electric putter 71, second electric putter 91, third electric putter 112, fourth electric putter 125, solenoid valve 122 and air pump 102 all pass through relay control module with control module and are connected, gear motor 85 passes through direct current motor with control module and just changes the module and is connected.

The swing frame 82 moves upwards to drive the first distance sensor 94 to move upwards, the first distance sensor 94 is provided with a first preset value and a second preset value, the first preset value is larger than the second preset value, when the first distance sensor 94 senses that the distance between the first distance sensor 94 and the underframe 1 reaches the first preset value, the control module controls the telescopic rod of the second electric push rod 91 to shorten upwards, the telescopic rod of the second electric push rod 91 drives the connecting plate 92 to move upwards, so that the guardrail 93 moves upwards, the preset value of the second distance sensor 95 is provided with the first preset value and the second preset value, the first preset value is smaller than the second preset value, when the second distance sensor 95 senses that the distance between the second distance sensor 95 and the arc bed plate 6 reaches the first preset value, the control module controls the second electric push rod 91 to close, the patient is prevented from falling out of the arc bed plate 6 when the patient turns over in an auxiliary mode, the swing frame 82 moves downwards to drive the first distance sensor 94 to move downwards, when first distance sensor 94 senses that the distance between the first distance sensor and the underframe 1 reaches the second preset value, control module controls second electric putter 91 telescopic link to extend downwards, and second electric putter 91 telescopic link drives connecting plate 92 to move downwards, thereby makes guardrail 93 move downwards, and when second distance sensor 95 senses that the distance between the second distance sensor and the arc bed board 6 reaches the second preset value, control module controls second electric putter 91 to close.

After people press the first contact switch 31, the control module controls the air pump 102 to be started for thirty seconds and then to be closed, the air pump 102 is started to guide air into the air bag 104 through the pipeline 103, and therefore the air bag 104 is enlarged, a barrier is provided for a patient to turn over, and the situation that the mouth and the nose are blocked by the patient due to the fact that the turning-over angle is too large is avoided.

When a patient needs to go to the toilet, the person manually presses the second contact switch 32, so that the control module controls the telescopic rod of the third electric push rod 112 to extend downwards for three seconds and then close the telescopic rod, the telescopic rod of the third electric push rod 112 drives the push frame 113 to move downwards, so that the second telescopic rod 114 moves downwards, the first movable plate 115 moves downwards, the sliding rod 117 moves downwards along the sliding way 116, when the sliding rod 117 moves to the convex part of the sliding way 116, the sliding rod 117 and the first movable plate 115 start to move backwards, so that the second telescopic rod 114 is compressed, when the patient finishes the toilet, the person presses the second contact switch 32 for a long time, so that the control module controls the telescopic rod of the third electric push rod 112 to shorten upwards for three seconds and then close the telescopic rod, the telescopic rod of the third electric push rod 112 drives the push frame 113 to move upwards, so that the second telescopic rod 114 moves upwards, so that the first movable plate 115 moves upwards, at this time, the slide bar 117 moves forward along the slide 116, and when the slide bar 117 moves to the convex of the slide 116 again, the slide bar 117 and the first moving plate 115 start to move upward.

When people connect the water pipe 121 with the faucet, excrement discharged by a patient in a toilet falls onto the second moving plate 127, so that the second moving plate 127 moves downwards, the third telescopic rod 128 is compressed, and the spring 129 is compressed, when the third distance sensor 1210 senses that the distance between the third distance sensor 1210 and the second moving plate 127 reaches a preset value, the control module controls the solenoid valve 122 to be started, so that water flows into the sewage pool 123 through the water pipe 121, the control module controls the fourth electric push rod 125 telescopic rod to extend backwards for two seconds and then be closed, the fourth electric push rod 125 telescopic rod drives the baffle plate 126 to move backwards, so that the excrement is flushed out of the sewage pool 123 by the water flow, when the excrement on the second moving plate 127 is cleaned, the spring 129 is reset to drive the second moving plate 127 to move upwards and reset, so that the third telescopic rod 128 is stretched, when the third distance sensor 1210 senses that the distance between the second moving plate 127 and the second moving plate 127 is higher than the preset value, the control module controls the electromagnetic valve 122 to close, and at the same time, the control module controls the telescopic rod of the fourth electric push rod 125 to shorten forward for two seconds and then close, and the telescopic rod of the fourth electric push rod 125 drives the baffle 126 to move forward.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. A nursing bed for assisting in turning over of a bedridden patient in a nursing department comprises an underframe (1), a control box (2), a first contact switch (31), a second contact switch (32), sliding chutes (4), first telescopic rods (5) and arc-shaped bed boards (6), wherein the control box (2) is installed on the right side of the upper front part of the underframe (1), the first contact switch (31) is arranged on the upper side of the front part of the control box (2), the second contact switch (32) is arranged on the lower side of the front part of the control box (2), the sliding chutes (4) are respectively arranged on the front side and the rear side of the underframe (1), the first telescopic rods (5) are respectively arranged on the two sliding chutes (4) in a sliding manner, the arc-shaped bed boards (6) are connected between the upper parts of the two first telescopic rods (5), and the nursing bed is characterized by further comprising a lifting mechanism (7) and a turning-over mechanism (8), the lifting mechanism (7) for driving the arc-shaped bed boards (6) to move up and down is arranged on the rear side of the upper part of the underframe (1), a turning-over mechanism (8) for assisting the patient to rotate the body is connected among the arc-shaped bed plate (6), the lifting mechanism (7) and the bottom frame (1).

2. The nursing bed for assisting in turning over of the bedridden patient in the nursing department as claimed in claim 1, wherein the lifting mechanism (7) comprises a first electric push rod (71), a first mounting block (72) and a fixing ring (73), the first mounting block (72) is arranged on the rear side of the upper portion of the underframe (1), the first electric push rod (71) is mounted on the first mounting block (72), and the fixing ring (73) is connected to the telescopic rod of the first electric push rod (71).

3. The nursing bed for assisting in turning over of a bedridden patient in the nursing department as claimed in claim 2, wherein the turning over mechanism (8) comprises a first rotating shaft (81), a swinging frame (82) and a belt (83), first collar (84), gear motor (85) and second pivot (86), solid fixed ring (73) go up the rotation type and are equipped with first pivot (81), first pivot (81) front side is equipped with swing span (82) of being connected with arc bed board (6), can lead to arc bed board (6) motion during swing span (82) motion, gear motor (85) are installed to chassis (1) rear side, the rear side is equipped with first collar (84) on chassis (1), be connected with second pivot (86) of being connected with first collar (84) rotary type on gear motor (85) output shaft, around there being belt (83) through the drive wheel between second pivot (86) and first pivot (81).

4. The nursing bed for assisting in turning over of the bedridden patient in the nursing department as claimed in claim 3, further comprising a fall prevention mechanism (9) for preventing the patient from falling off from the arc-shaped bed board (6) during turning over, wherein the fall prevention mechanism (9) comprises a second electric push rod (91), a connecting plate (92), a guardrail (93), a first distance sensor (94) and a second distance sensor (95), the second electric push rods (91) are respectively installed on the front side and the rear side of the arc-shaped bed board (6), the connecting plates (92) are respectively connected to the telescopic rods of the two second electric push rods (91), the guardrails (93) slidably connected with the arc-shaped bed board (6) are respectively arranged on the two connecting plates (92), the first distance sensor (94) is arranged on the lower side of the swing frame (82), and the second distance sensor (95) is arranged in the middle of the upper portion of the connecting plate (92) on the front side.

5. The nursing bed for assisting in turning over of the bedridden patient in the nursing department as claimed in claim 4, further comprising an inflation mechanism (10) which provides a barrier for the patient to turn over, wherein the inflation mechanism (10) comprises second mounting blocks (101), air pumps (102), pipelines (103) and air bags (104), the second mounting blocks (101) are arranged on the left side and the right side of the lower portion of the arc-shaped bed board (6), the air pumps (102) are arranged on the two second mounting blocks (101), the air bags (104) are arranged on the left side and the right side of the arc-shaped bed board (6), and the pipelines (103) are connected between the two air pumps (102) and the air bags (104) on the same side.

6. The nursing bed for assisting in turning over of bedridden patients in nursing departments as claimed in claim 5, which is characterized by further comprising a toileting mechanism (11), wherein the toileting mechanism (11) comprises a second mounting ring (111), a third electric push rod (112), a pushing frame (113), a second telescopic rod (114), a first moving plate (115), a slide way (116) and a slide rod (117), the second mounting ring (111) is arranged on the rear side of the lower portion of the arc-shaped bed board (6), the third electric push rod (112) is arranged on the second mounting ring (111), the pushing frame (113) is connected onto the telescopic rod of the third electric push rod (112), the second telescopic rods (114) are arranged on the left and right sides of the front portion of the pushing frame (113), the first moving plate (115) is connected between the front portions of the two second telescopic rods (114), the slide way (116) is arranged on the left and right sides of the lower portion of the arc-shaped bed board (6), an included angle larger than 90 degrees is formed between the lower portion and the upper portion of the rear side surface of the slide way (116), a slide bar (117) which is connected with the slide rail (116) in a sliding way is arranged at the lower side of the first moving plate (115).

7. The nursing bed for assisting in turning over of a bedridden patient in nursing departments, according to claim 6, is characterized by further comprising a washing mechanism (12) for cleaning excrement of the patient, wherein the washing mechanism (12) comprises a water pipe (121), an electromagnetic valve (122), a sewage pool (123), a third mounting block (124), a fourth electric push rod (125), a baffle plate (126), a second moving plate (127), a third telescopic rod (128), a spring (129) and a third distance sensor (1210), the sewage pool (123) for containing the excrement of the patient is arranged between the two sliding chutes (4), the water pipe (121) is connected between the right part of the sewage pool (123) and the underframe (1), the electromagnetic valve (122) is arranged on the left side of the water pipe (121), the third mounting block (124) is arranged on the front side of the left part of the sewage pool (123), the fourth electric push rod (125) is arranged on the third mounting block (124), the baffle (126) which is connected with the sewage pool (123) in a sliding mode is connected onto the telescopic rod of the fourth electric push rod (125), the left side and the right side of the sewage pool (123) are respectively provided with a third telescopic rod (128), a second movable plate (127) is connected between the upper sides of the two third telescopic rods (128), springs (129) are connected between the left side and the right side of the lower portion of the second movable plate (127) and the sewage pool (123), the springs (129) are wound on the third telescopic rods (128), and a third distance sensor (1210) is arranged on the rear side of the sewage pool (123).

8. The nursing bed for assisting in turning over of the bedridden patient in the nursing department as recited in claim 7, wherein a switch power supply, a power supply module and a control module are installed in the control box (2), the switch power supply supplies power to the nursing bed for assisting in turning over of the bedridden patient in the nursing department, the output end of the switch power supply is electrically connected with the control module, the power supply module is connected with a main power switch through a circuit, the control module is connected with a DS1302 clock circuit and a 24C02 circuit, the first distance sensor (94), the second distance sensor (95), the third distance sensor (1210), the first contact switch (31) and the second contact switch (32) are electrically connected with the control module, the first electric push rod (71), the second electric push rod (91), the third electric push rod (112), the fourth electric push rod (125), the electromagnetic valve (122) and the air pump (102) are all connected with the control module through a relay control module, the speed reducing motor (85) is connected with the control module through a direct current motor positive and negative rotation module.