Inflatable turnover device
By designing an inflatable turnover device, using airbag assembly and rigid mattress holder to achieve automated turnover and massage operations, the problems of high labor intensity and high risk of falling into bed in the prior art are solved, and nursing efficiency and patient safety are improved.
Patent Information
- Application Number
- CN202420969299.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-07
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-05-07
AI Technical Summary
Existing medical auxiliary equipment is difficult to efficiently complete the turnover and massage operations of bedside patients, resulting in high labor intensity and low efficiency in nursing work, and it is impossible to effectively prevent falling into bed for patients with difficulty in movement or coma.
An inflatable turnover device is designed, including a bed frame and an inflatable turnover mattress. Four sets of airbag components are installed on the mattress. The filling and deflation of the airbag is controlled through independent electric valves to achieve rollover and partial turnover movements of different amplitudes. Combined with a rigid mattress stand and drive motor, automated turnover and massage operations are achieved.
It realizes automatic turnover and massage operations for bed-dwelling patients, reduces the labor intensity and workload of nursing work, improves efficiency, ensures the safety and stability of patients, and avoids the risk of falling into bed.
Smart Images
Figure CN222604870U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical auxiliary equipment, in particular to an inflatable turning device. Background Art
[0002] Nursing for bedridden patients accounts for a large proportion of nursing items in neurosurgery nursing. For bedridden patients, nursing staff need to pay attention to the patient's vital signs at all times. While paying attention to the patient's vital signs at all times, they must also pay attention to the nursing operations for bedridden patients. For patients who are often bedridden, they should be turned over frequently and their backs should be massaged to prevent bedsores. A percussion hammer should be used to lightly hammer the patient's back. While massaging the patient's back, the patient's stomach and intestines can be smoothed to make it easier for them to digest food and change body positions. The traditional operation is to set a whole piece of cloth under the patient, and several nurses pull the cloth reasonably to complete it. This operation is very troublesome, time-consuming and labor-intensive, and requires a lot of manpower and time. It is not conducive to the efficient implementation of nursing work. In the long run, it greatly increases the difficulty of medical staff's work.
[0003] In addition, although the existing electric self-service beds for patients have functions such as electric lifting, turning over, and leg flexion, bedridden patients with difficulty in movement or coma cannot control their body balance independently. Therefore, when they need to turn over and lie on their side or half-lean for a period of time, they still need someone to support them. Otherwise, they are prone to tipping over to one side or falling out of bed, which still requires a lot of manpower and time. In addition, this type of bed also has problems such as inconvenient control, inefficient movement, complex structure, and high cost, which urgently need to be improved. Utility Model Content
[0004] The purpose of the utility model is to provide an inflatable turning device, which can not only realize turning over and partial turning movements of different amplitudes, but also realize massaging operations on patients while turning over and partial turning movements of different postures, and the whole process is automated, which not only guarantees various nursing needs of patients, but also greatly reduces the labor intensity and workload of nursing work, and has high efficiency, simple control process, convenient operation, safety and reliability.
[0005] The above technical objectives of the utility model are achieved through the following technical solutions:
[0006] An inflatable turning device comprises a bed frame and an inflatable turning mattress arranged in the bed frame, wherein the inflatable turning mattress comprises a rigid mattress frame and an elastic mattress supported on the rigid mattress frame, wherein four groups of airbag assemblies are arranged on the upper surface of the elastic mattress, and two adjacent groups of airbag assemblies are symmetrically arranged on both sides of the horizontal center line or the vertical center of the elastic mattress, respectively, each group of airbag assemblies comprises a plurality of hollow airbags arranged in parallel and horizontally at equal intervals, the airbags in each group of airbag assemblies are connected to each other and then to an air pipe, and the air pipes connected to the four groups of airbag assemblies are connected to an air source through independent electric valves.
[0007] By adopting the above technical solution, the inflatable turning mattress arranged on the bed frame is used to support the patient. Since the air pipes connected to the four groups of air bag assemblies arranged on the mattress are respectively connected to the air source through independent electric valves, the simultaneous or non-simultaneous inflation and deflation of the air bag assemblies can realize the operation of assisting the patient to turn over and partially turn over in different postures, that is, when the two groups of air bag assemblies on either side of the vertical midline of the elastic mattress are controlled to be inflated at the same time, each air bag in the two groups of air bag assemblies expands after being inflated, and the patient is lifted up from one side of the patient's body to a state of tilting to the left or right, so that the patient's body turns left or right. , thereby realizing turning over to the left or right; when only one group of airbag assemblies is controlled to be air-intaken, each airbag in the airbag assembly expands after intake of air, and lifts up the part of the airbag assembly corresponding to the patient's body, thereby realizing partial turning over movement of the patient's body. In addition, by controlling the air intake amount of the airbag assembly, the different expansion heights of the airbag can be adjusted, thereby realizing turning over and partial turning over movement of different amplitudes, and the whole process is automated, which not only guarantees various nursing needs of patients, but also greatly reduces the labor intensity and workload of nursing work, and has high efficiency, simple control process, convenient operation, safety and reliability.
[0008] The utility model is further configured as follows: the rigid mattress frame comprises two parts, the two parts are symmetrically arranged on both sides of the horizontal center line of the elastic mattress, the ends of the two parts of the rigid mattress frame that are close to each other are connected by a pin shaft, both ends of the pin shaft are rotatably connected to the side walls of the bed frame, the bottom sides of the two parts of the rigid mattress frame are respectively supported on two horizontal support bars, and each of the horizontal support bars is respectively fixed on the two inner side surfaces of the bed frame.
[0009] By adopting the above technical solution, when the patient needs to sit up, lean the upper body to a greater extent, or bend the legs to various degrees, the support angle of the airbag is limited and cannot be achieved. Therefore, at this time, one part of the pins in the rigid mattress frame can be controlled to flip upward to a suitable angle around the point where it is rotatably connected to the bed frame, so that the patient can sit up, lean the upper body to a greater extent, or bend the legs to a greater extent. The structure is simple, the operation is convenient, and the efficiency is high.
[0010] The utility model is further configured as follows: arc plates are fixedly provided at the bottom of the two parts of the rigid mattress frame respectively, and the arc plates are provided with arc teeth matching the curvature of the arc plates, and the circumferences of the arc plates and the arc teeth coincide with the axis of the pin shaft.
[0011] The arc-shaped tooth groove is meshed with teeth on one side of a driving gear, the driving gear is fixed on the output shaft of a driving motor, and the driving motor is fixed on the bed frame.
[0012] By adopting the above technical solution, when it is necessary to control the part of the rigid mattress frame corresponding to the upper body side or the lower body side of the patient to flip, the driving motor in the part of the rigid mattress frame corresponding to the upper body side or the lower body side of the patient is controlled to start, and after the driving motor is started, it drives the driving gear to rotate. When the driving gear rotates, the arc-shaped tooth groove meshing with it moves in an arc along the circumference of the circle where it is located, so that the part of the rigid mattress frame fixedly connected to the arc plate is flipped upward to a set angle around the point where it is rotatably connected to the bed frame along the pin shaft. The structure is simple and the operation is convenient.
[0013] The utility model is further configured as follows: the airbags in each of the airbag assemblies are wedge-shaped structures, and after the airbags in each of the airbag assemblies are inflated, the side of the airbags away from the vertical center of the elastic mattress is higher than the side close to the vertical center of the elastic mattress.
[0014] By adopting the above technical scheme, bedridden patients who have difficulty in moving or are unconscious and cannot control their body balance independently are prone to tipping over to one side or falling out of bed when they sit up, lean their upper body to a greater extent, or bend their lower limbs to various degrees. At this time, the airbag assemblies located on both sides of the vertical midline of the upwardly flipped part of the rigid mattress frame are controlled to inflate at the same time, so that the airbags in the two airbag assemblies located on both sides of the vertical midline are inflated. After the inflation is completed, the airbags in the two groups of two airbag assemblies combine to form a groove-shaped support surface with high sides and low middle. At this time, when the patient sits up, leans his upper body to a greater extent, or bends his lower limbs to various degrees, he is supported by the groove-shaped support surface, which has good stability and will not tip over to one side or fall out of bed, thereby greatly improving the safety performance of the device, and no manual assistance is required, which greatly reduces the labor intensity of people.
[0015] The utility model is further configured as follows: the upper surface of the airbag in each airbag assembly from the side away from the vertical center of the elastic mattress to the side close to the vertical center of the elastic mattress can be an inclined surface or a curved surface.
[0016] By adopting the above technical scheme, when the upper surface of the airbag from the side away from the vertical center of the elastic mattress to the side close to the vertical center of the elastic mattress can be an inclined surface, the groove-shaped support surface formed by the airbags in the two groups of two airbag assemblies located on both sides of the vertical center line being inflated at the same time is a V-shaped groove; when the upper surface of the airbag from the side away from the vertical center of the elastic mattress to the side close to the vertical center of the elastic mattress can be an arc surface, the groove-shaped support surface formed by the airbags in the two groups of two airbag assemblies located on both sides of the vertical center line being inflated at the same time is an arc-shaped groove with an opening opposite to the patient's body. Both types of grooves can provide good support for the patient.
[0017] The utility model is further configured as follows: a plurality of hemispherical capsules are arranged on the inclined surface or curved surface of the airbag, the hemispherical capsules are fixed on the inclined surface or curved surface of the airbag, an incision is arranged through the area opposite to the inner cavity of the airbag and the hemispherical capsule, and electromagnets that attract each other are respectively embedded on the side walls on both sides of the incision.
[0018] By adopting the above technical scheme, when the patient only needs to turn over and partially flip over in different postures, the airbag is controlled to be inflated, and the electromagnet is controlled to be energized. As the amount of air intake increases, the airbag gradually swells. At this time, the incision used to connect the airbag with the inner cavity of the hemispherical balloon is in a closed state due to the attraction of the electromagnet, and the hemispherical balloon is in a contracted state. The patient can only realize the turning over and partial flipping movement operations in different postures by inflating and deflation of different airbag components at the same time or at different times; when the patient needs massage during the process of performing massage operations while turning over and partially flipping in different postures, the electromagnet is controlled to be powered off, and the airbag is controlled to stop inflating after a part of the air is taken in. During this process, the incision used to connect the airbag with the inner cavity of the hemispherical balloon is in an open state due to the attraction of the electromagnet, and the gas in the airbag enters the balloon. After the balloon swells, the airbag is controlled to be repeatedly inflated and deflated at a small amplitude at a set frequency, so that the airbag and the hemispherical balloon vibrate, thereby realizing the massage operation of turning over and partially flipping the patient in different postures, and the operation process is simple and convenient.
[0019] The utility model is further configured as follows: mounting holes for mounting guardrails are respectively provided around the bed frame, and latches are provided at the bottom of the guardrails matching the mounting holes, and the guardrails are detachably connected to the mounting holes on the bed frame via the latches.
[0020] By adopting the above technical solution, the guardrail is used to protect the patient, further reducing the risk of the patient falling. The guardrail is detachably connected to the mounting hole on the bed frame through a latch, so that the guardrail can be quickly and conveniently disassembled and installed, thereby facilitating nurses to perform other nursing operations on the patient.
[0021] The utility model is further configured as follows: four supporting feet are respectively arranged around the bottom of the bed frame, and a universal wheel with a brake is respectively arranged at the lower end of each supporting foot.
[0022] By adopting the above technical solution, the universal wheel with brake can not only facilitate the movement of the bed frame, thereby facilitating the transfer of patients, but also the bed frame can be fixed and will not move at will after the brake is stopped. The whole device has high flexibility and good safety.
[0023] The utility model is further configured as follows: a plurality of hollow holes are evenly distributed on the surface of the rigid mattress frame for supporting the elastic mattress.
[0024] By adopting the above technical solution, the hollow setting can not only facilitate ventilation of the elastic mattress and prevent the elastic mattress from getting damp, moldy and breeding bacteria, but also greatly reduce the overall weight of the rigid mattress frame, making the entire device lighter, killing two birds with one stone.
[0025] The beneficial effects of the utility model are:
[0026] 1. The utility model supports the patient by means of an inflatable turning-over mattress arranged on a bed frame. Since the air pipes connected to the four groups of airbag assemblies arranged on the mattress are respectively connected to the air source through independent electric valves, the turning-over and partial turning motion operations of the patient in different postures can be realized by simultaneously or simultaneously inflating and deflation of the airbag assemblies, that is, when the two groups of airbag assemblies on either side of the vertical midline of the elastic mattress are simultaneously controlled to be inflated, each airbag in the two groups of airbag assemblies expands after being inflated, and the patient is lifted up from one side of the patient's body to a state of being tilted to the left or right, so that the patient's body is turned to the left or right. Thereby turning over to the left or right is achieved; when only one group of airbag assemblies is controlled to be air-intaken, each airbag in the airbag assembly expands after intake of air, and lifts up the part of the airbag assembly corresponding to the patient's body, thereby achieving partial turning movement of the patient's body. In addition, by controlling the air intake amount of the airbag assembly, the different expansion heights of the airbag can be adjusted, thereby achieving turning over and partial turning movement of different amplitudes, and the whole process is automated, which not only guarantees various nursing needs of patients, but also greatly reduces the labor intensity and workload of nursing work, and has high efficiency, simple control process, convenient operation, safety and reliability.
[0027] 2. The utility model controls a part of the pins in the rigid mattress frame to flip upward to a suitable angle around the point where it is rotatably connected to the bed frame, so that the patient can sit up, lean the upper body to a greater extent, or bend the lower limbs to a greater extent. It has a simple structure, is easy to operate, and is highly efficient.
[0028] 3. When it is necessary to control the part of the rigid mattress frame corresponding to the patient's upper body or lower body to flip, the drive motor in the part of the rigid mattress frame corresponding to the patient's upper body or lower body is controlled to start. After the drive motor is started, it drives the drive gear to rotate. When the drive gear rotates, the arc-shaped tooth groove meshing with it moves in an arc along the circumference of the arc plate, so that the part of the rigid mattress frame fixedly connected to the arc plate is flipped upward to a set angle around the point where it is rotatably connected to the bed frame along the pin shaft. The structure is simple and the operation is convenient.
[0029] 4. The utility model arranges the airbags in each airbag assembly as a wedge-shaped structure, so that the airbag assemblies located on both sides of the vertical midline of the upwardly flipped part of the rigid mattress frame are inflated at the same time, and the airbags in the two groups of two airbag assemblies are combined to form a groove-shaped support surface with high sides and low middle. At this time, when the patient sits up, leans his upper body to a large extent, or bends his lower limbs to various degrees, he is supported by the groove-shaped support surface, which has good stability and will not tip to one side or fall out of bed. The safety performance of the device is greatly improved, and no manual assistance is required, which greatly reduces the labor intensity of people.
[0030] 5. The utility model arranges a plurality of hemispherical bags and related structures on the inclined surface or curved surface of the air bag, so that the patient can perform massage operations while turning over and partially turning over in different postures, and the operation process is simple and convenient.
[0031] 6. The utility model protects the patient by providing a guardrail, thereby further reducing the risk of the patient falling. The guardrail is detachably connected to the mounting hole on the bed frame through a latch, so that the guardrail can be quickly and conveniently disassembled and installed, thereby facilitating the nurse to perform other nursing operations on the patient.
[0032] 7. The utility model provides universal wheels with brakes on the bottom legs of the bed frame, which not only facilitates the movement of the bed frame and thus facilitates the transfer of patients, but also fixes the bed frame after the brakes are applied and does not move at will. The entire device has high flexibility and good safety.
[0033] 8. The hollowed-out surface of the rigid mattress frame used to support the elastic mattress in the utility model not only facilitates ventilation of the elastic mattress and prevents the elastic mattress from getting damp, moldy and breeding bacteria, but also greatly reduces the overall weight of the rigid mattress frame, making the entire device lighter, thus killing two birds with one stone. BRIEF DESCRIPTION OF THE DRAWINGS
[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0035] Figure 1 The utility model is a schematic diagram of the overall structure of an inflatable turning device.
[0036] Figure 2 The utility model is a top view of an inflatable turning device.
[0037] Figure 3 The utility model is a schematic diagram of the transverse cross-sectional structure of an inflatable turning-over mattress in an inflatable turning-over device.
[0038] In the figure, 1. bed frame; 2. inflatable turning mattress; 21. rigid mattress frame; 22. elastic mattress; 23. airbag assembly; 24. airbag; 25. pin shaft; 26. hemispherical bag; 27. incision; 28. electromagnet; 3. horizontal support bar; 4. arc plate; 5. arc tooth groove; 6. driving gear; 7. driving motor; 8. guardrail; 9. mounting hole; 12. latch; 10. support foot; 11. universal wheel. DETAILED DESCRIPTION
[0039] The technical solution of the utility model will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0040] like Figure 1 and Figure 2 As shown, an inflatable turning device includes a bed frame 1 and an inflatable turning mattress 2 arranged in the bed frame 1, the inflatable turning mattress 2 includes a rigid mattress frame 21 and an elastic mattress 22 supported on the rigid mattress frame 21, four groups of airbag assemblies 23 are arranged on the upper surface of the elastic mattress 22, two adjacent groups of airbag assemblies 23 are symmetrically arranged on both sides of the horizontal center line or the vertical center of the elastic mattress 22, each group of airbag assemblies 23 includes a plurality of hollow airbags 24 arranged in parallel and horizontally at equal intervals, the airbags 24 in each group of airbag assemblies 23 are connected to each other and then connected to the air pipe, and the air pipes connected to the four groups of airbag assemblies 23 are connected to the air source through independent electric valves.
[0041] Furthermore, the rigid mattress frame 21 includes two parts, which are symmetrically arranged on both sides of the horizontal midline of the elastic mattress 22. The ends of the two parts of the rigid mattress frame 21 that are close to each other are connected by a pin 25, and both ends of the pin 25 are rotatably connected to the side walls of the bed frame 1. The bottom sides of the two parts of the rigid mattress frame 21 are respectively supported on two horizontal support bars 3, and each of the horizontal support bars 3 is respectively fixed on the two inner sides of the bed frame 1.
[0042] Furthermore, arc plates 4 are fixedly provided at the bottom of the two parts of the rigid mattress frame 21, and arcuate teeth 5 matching the curvature of the arcuate plates 4 are provided on the arcuate plates 4. The circumferences of the arcuate plates 4 and the arcuate teeth 5 coincide with the axis of the pin shaft 25.
[0043] Furthermore, the arc-shaped tooth groove 5 meshes with teeth on one side of a driving gear 6 , and the driving gear 6 is fixed on an output shaft of a driving motor 7 , and the driving motor 7 is fixed on the bed frame 1 .
[0044] Furthermore, the airbags 24 in each of the airbag assemblies 23 are all wedge-shaped structures, and after being inflated, the side of the airbags 24 in each of the airbag assemblies 23 that is away from the vertical center of the elastic mattress 22 is higher than the side that is close to the vertical center of the elastic mattress 22 .
[0045] Furthermore, the upper surface of the airbag 24 in each of the airbag assemblies 23 from the side away from the vertical center of the elastic mattress 22 to the side close to the vertical center of the elastic mattress 22 can be an inclined surface or a curved surface.
[0046] Furthermore, a plurality of hemispherical capsules 26 are arranged on the inclined surface or curved surface of the airbag 24, and the hemispherical capsules 26 are fixed on the inclined surface or curved surface of the airbag 24. A cutout 27 is arranged through the area opposite to the inner cavity of the airbag 24 and the hemispherical capsule 26, and electromagnets 28 that attract each other are respectively embedded on the side walls on both sides of the cutout 27.
[0047] Furthermore, the bed frame 1 is provided with mounting holes 9 for installing the guardrail 8 on all sides, and a latch 12 is provided at the bottom of the guardrail 8 for matching with the mounting hole 9. The guardrail 8 is detachably connected to the mounting hole 9 on the bed frame 1 through the latch 12.
[0048] Furthermore, four supporting legs 10 are respectively arranged around the bottom of the bed frame 1, and a universal wheel 11 with a brake is respectively arranged at the lower end of each supporting leg 10.
[0049] Furthermore, the rigid mattress frame 21 is used to support the elastic mattress 22 and has a plurality of hollow holes evenly distributed on its surface.
[0050] The working principle of the utility model is as follows: the inflatable turning mattress 2 arranged on the bed frame 1 is used to support the patient. Since the air pipes connected to the four groups of air bag assemblies 23 arranged on the mattress are respectively connected to the air source through independent electric valves, the turning over and partial turning movement operations of the patient in different postures can be realized by simultaneously or simultaneously inflating and deflation of the air bag assemblies 23, that is, when the two groups of air bag assemblies 23 on either side of the vertical midline of the elastic mattress 22 are simultaneously controlled to be inflated, each air bag 24 in the two groups of air bag assemblies 23 expands after being inflated, and the patient is lifted up from one side of the patient's body to a state of tilting to the left or right, so that the patient's body is turned to the left or right. When only one group of airbag assemblies 23 is controlled to be air-intaken, each airbag 24 in the airbag assembly 23 expands after intake of air, and lifts up the part of the airbag assembly 23 corresponding to the patient's body, thereby realizing the partial turning movement of the patient's body. In addition, by controlling the air intake amount of the airbag assembly 23, the different expansion heights of the airbag 24 can be adjusted, thereby realizing turning over and partial turning movements of different amplitudes, and the whole process is automated, which not only meets the various nursing needs of the patient, but also greatly reduces the labor intensity and workload of the nursing work, and has high efficiency, simple control process, convenient operation, safety and reliability.
[0051] When the patient needs to sit up, lean the upper body to a greater extent, or bend the lower limbs to various degrees, the pin shaft 25 in a part of the rigid mattress frame 21 can be controlled to flip upward to a suitable angle around the point where it is rotatably connected to the bed frame 1. When the part of the rigid mattress frame 21 corresponding to one side of the patient's upper body or lower body needs to be controlled to flip, the drive motor 7 in the part of the rigid mattress frame 21 corresponding to one side of the patient's upper body or lower body is controlled to start. After the drive motor 7 is started, it drives the drive gear 6 to rotate. When the drive gear 6 rotates, the arc-shaped tooth groove 5 meshing with it makes an arc motion along the circumference of the arc plate 4, so that the part of the rigid mattress frame 21 fixedly connected to the arc plate 4 is flipped upward to a set angle around the point where it is rotatably connected to the bed frame 1, so that the patient can sit up, lean the upper body to a greater extent, or bend the lower limbs to a greater extent. The structure is simple, the operation is convenient, and the efficiency is high.
[0052] When the patient only needs to turn over and partially flip over in different postures, the airbag 24 is controlled to be inflated, and the electromagnet 28 is controlled to be energized. As the amount of air intake increases, the airbag 24 gradually swells. At this time, the incision used to communicate with the inner cavity of the airbag 24 and the hemispherical bag 26 is in a closed state due to the attraction of the electromagnet 28, and the hemispherical bag 26 is in a contracted state. The patient can only realize the turning over and partial flipping movement operations in different postures by inflating and deflation of different airbag components 23 at the same time or at different times; when the patient is performing massage operations while turning over and partially flipping in different postures When massage is needed during the operation, the electromagnet 28 is controlled to be powered off, and the airbag 24 is controlled to stop taking in air after a part of the air is taken in. During this process, the incision for connecting the airbag 24 with the inner cavity of the hemispherical balloon 26 is in an open state due to the attraction of the electromagnet 28, and the gas in the airbag 24 enters the balloon. After the balloon is inflated, the airbag 24 is controlled to be repeatedly inflated and deflated at a set frequency in a small amplitude, so that the airbag 24 and the hemispherical balloon 26 vibrate, thereby realizing the massage operation for the patient while turning over and partially turning over in different postures, and the operation process is simple and convenient.
Claims
1. An inflatable turning device, characterized in that: The invention comprises a bed frame (1) and an inflatable turning mattress (2) arranged in the bed frame (1), wherein the inflatable turning mattress (2) comprises a rigid mattress frame (21) and an elastic mattress (22) supported on the rigid mattress frame (21), wherein four groups of airbag assemblies (23) are arranged on the upper surface of the elastic mattress (22), and two adjacent groups of airbag assemblies (23) are symmetrically arranged on both sides of the horizontal center line or the vertical center of the elastic mattress (22), and each group of airbag assemblies (23) comprises a plurality of hollow airbags (24) arranged in parallel and horizontally at equal intervals, and the airbags (24) in each group of airbag assemblies (23) are connected to an air pipe after being interconnected, and the air pipes connected to the four groups of airbag assemblies (23) are connected to an air source through independent electric valves.
2. An inflatable turning device according to claim 1, characterized in that: The rigid mattress frame (21) comprises two parts, which are symmetrically arranged on both sides of the horizontal center line of the elastic mattress (22). The ends of the two parts of the rigid mattress frame (21) that are close to each other are connected by a pin shaft (25). Both ends of the pin shaft (25) are rotatably connected to the side walls of the bed frame (1). The bottom sides of the two parts of the rigid mattress frame (21) are respectively supported on two horizontal support bars (3), and each of the horizontal support bars (3) is respectively fixed on the two inner side surfaces of the bed frame (1).
3. The inflatable turning device according to claim 2, characterized in that: The bottoms of the two parts of the rigid mattress frame (21) are respectively fixed with arc-shaped plates (4), and the arc-shaped plates (4) are provided with arc-shaped tooth grooves (5) matching the curvature of the arc-shaped plates (4), and the circumferences of the arc-shaped plates (4) and the arc-shaped tooth grooves (5) coincide with the axis of the pin shaft (25).
4. The inflatable turning device according to claim 3, characterized in that: The arc-shaped tooth groove (5) meshes with teeth on one side of a driving gear (6); the driving gear (6) is fixed on an output shaft of a driving motor (7); and the driving motor (7) is fixed on a bed frame (1).
5. The inflatable turning device according to claim 1, characterized in that: The airbags (24) in each of the airbag assemblies (23) are all wedge-shaped structures, and the side of the airbags (24) in each of the airbag assemblies (23) that is away from the vertical center of the elastic mattress (22) is higher than the side that is close to the vertical center of the elastic mattress (22).
6. The inflatable turning device according to claim 5, characterized in that: After being inflated, the upper surface of the airbag (24) in each airbag assembly (23) from the side away from the vertical center of the elastic mattress (22) to the side close to the vertical center of the elastic mattress (22) can be an inclined surface or a curved surface.
7. The inflatable turning device according to claim 6, characterized in that: A plurality of hemispherical capsules (26) are arranged on the inclined surface or the curved surface of the airbag (24), and the hemispherical capsules (26) are fixed on the inclined surface or the curved surface of the airbag (24). A notch (27) is arranged through the area where the airbag (24) and the inner cavity of the hemispherical capsule (26) are opposite to each other, and electromagnets (28) that attract each other are respectively embedded on the side walls on both sides of the notch (27).
8. The inflatable turning device according to claim 1, characterized in that: The bed frame (1) is provided with mounting holes (9) for mounting the guardrail (8) on its four sides, and a latch (12) is provided at the bottom of the guardrail (8) for matching with the mounting hole (9). The guardrail (8) is detachably connected to the mounting hole (9) on the bed frame (1) via the latch (12).
9. The inflatable turning device according to claim 1, characterized in that: Four supporting legs (10) are respectively arranged around the bottom of the bed frame (1), and a universal wheel (11) with a brake is respectively arranged at the lower end of each supporting leg (10).
10. The inflatable turning device according to claim 1, characterized in that: The rigid mattress frame (21) is used to support a plurality of hollow holes evenly distributed on the surface of the elastic mattress (22).