CN117281702A - Wheelchair bed and self-service nursing system - Google Patents

Abstract

The invention provides a wheelchair bed and a self-service care system. The wheelchair bed includes a wheelchair device and a bed body. The wheelchair device includes a main frame, a moving component located on one side of the bottom of the main frame, and backrest components located on opposite sides of the main frame. The drop leg assembly; the backrest assembly includes a backrest bracket hingedly provided on one side of the main frame, and a first adjustment mechanism provided between the backrest bracket and the main frame. By arranging a wheelchair device and a bed body, the wheelchair device includes a backrest component and a leg-drop component. The backrest component includes a backrest bracket hingedly provided on one side of the main frame, and a first adjustment mechanism. The first adjustment mechanism not only facilitates the connection between the wheelchair device and the bed. The assembly and combination of the bed body can also facilitate the patient's back lifting movement. At the same time, the backrest board includes a first backboard and a second backboard and a third backboard respectively hingedly provided on both sides of the first backboard. The mechanism makes it easier for patients to turn over and meet their needs in multiple scenarios.

Description

Wheelchair bed and self-service care system

Technical field

The invention relates to the technical field of nursing equipment, and in particular to a wheelchair bed and a self-service nursing system.

Background technique

A wheelchair is a chair equipped with wheels that can help replace walking. It is an important mobility tool used for home rehabilitation, turnover transportation, medical treatment, and outing activities for the wounded, sick, disabled, and the elderly.

A wheelchair bed is a combination structure of a wheelchair and a bed. By setting up a certain space on the bed to place the wheelchair, the patient can be transferred to the bed by pushing the wheelchair, making it easier for disabled patients to take care of themselves.

Among the existing technologies, most wheelchair beds have simple functions and limited nursing functions, and cannot meet the daily self-care needs of patients.

Contents of the invention

In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a wheelchair bed and a self-service care system, aiming to solve the technical problem in the existing technology that the wheelchair bed cannot meet the daily self-care needs of patients.

In order to achieve the above objects, the present invention is achieved through the following technical solutions: a wheelchair bed, including a wheelchair device and a bed body. The wheelchair device includes a main body frame, a moving component located on one side of the bottom of the main body frame, and a bed body. Backrest components and drop leg components on opposite sides of the main frame; the backrest components include a backrest bracket hingedly provided on one side of the main frame, a backrest plate provided on the backrest bracket, and a backrest assembly provided on the backrest bracket. The first adjustment mechanism between the backrest bracket and the main body frame is used to drive the backrest bracket to move relative to the main body frame, so that the support surface of the main body frame is in contact with the backrest bracket. The support surfaces are located on the same plane; the backrest board includes a first backboard, and a second backboard and a third backboard respectively hingedly provided on opposite sides of the first backboard; the bed body and the The wheelchair device can be disposed separately, and the bed is provided with a receiving slot corresponding to the wheelchair device. The receiving slot includes a first receiving slot corresponding to the main frame, and a first receiving slot corresponding to the leg drop. The component has a second receiving groove and a third receiving groove corresponding to the backrest assembly. The backrest assembly also includes a turning mechanism. The turning mechanism includes a fixed frame fixed on one side of the third receiving groove, a rotating device An adjusting rod on the fixed frame, and an ejection frame fixed on the adjusting rod. The ejection frame includes a rotating plate, and top plates respectively provided on opposite sides of the rotating plate. The top plates are far away from each other. A pulley is provided on one side of the rotating plate, and the turning mechanism also includes a driving mechanism. The driving mechanism includes a driving motor fixed on one side of the fixed frame, and is located between the driving motor and the adjusting rod. transmission mechanism between.

Compared with the prior art, the beneficial effects of the present invention are: by arranging a wheelchair device and a bed body, the wheelchair device includes a backrest assembly and a leg-drop assembly, the backrest assembly includes a backrest bracket hingedly provided on one side of the main frame, and a first The adjustment mechanism, through the first adjustment mechanism, can not only facilitate the assembly and combination of the wheelchair device and the bed, but also facilitate the patient's back lifting movement. At the same time, the backrest board includes a first backboard, and is hingedly provided on both sides of the first backboard. The second back plate and the third back plate are equipped with a turning mechanism, which can facilitate the patient to turn over and meet the patient's needs in multiple scenarios.

According to one aspect of the above technical solution, the moving assembly includes a running wheel provided on one side of the main frame, a driving motor for driving the running wheel to rotate, a braking module corresponding to the driving motor, and a user interface. For the circuit control module that controls the drive motor, the bed includes a top frame and side frames respectively provided on opposite sides of the top frame. The side frames include a first frame fixed on one side of the top frame. A side plate and a second side plate slidably provided on one side of the first side plate.

According to one aspect of the above technical solution, the mobile component further includes a control module connected to the circuit control module. The control module includes one of a voice control module, an infrared control module, a rocker sensor module, and a consciousness control module. or more.

According to one aspect of the above technical solution, the drop leg assembly includes a drop leg bracket hingedly provided on one side of the main body frame, and a second adjustment mechanism provided between the drop leg bracket and the main body frame, The leg-drop bracket is also provided with a leg exercise frame, and the second adjustment mechanism is used to drive the leg-drop bracket to move relative to the main body frame, so that the support surface of the main body frame is in contact with the leg-drop bracket. The supporting surfaces are on the same plane.

According to one aspect of the above technical solution, the drop leg bracket includes a first bracket hingedly provided on one side of the main frame, and a second bracket hingedly provided on a side of the first bracket away from the main frame. , One end of the main frame is rotatably provided with a first connecting rod, one end of the first connecting rod is hingedly provided with a second connecting rod, and the second connecting rod is connected to the second bracket.

According to one aspect of the above technical solution, the second adjustment mechanism includes a telescopic rod provided on one side of the main frame, and the movable end of the telescopic rod is connected to the first connecting rod.

According to an aspect of the above technical solution, the backrest panel further includes a first electromagnetic lock provided between the first back panel and the second back panel, and a first electromagnetic lock provided between the first back panel and the second back panel. A second electromagnetic lock between the three back plates.

According to one aspect of the above technical solution, the first adjustment mechanism includes an angle adjuster fixed on the lower side of the backrest bracket, and a sliding rod is provided on the side of the backrest bracket away from the main body frame. The sliding type is provided with a slider, a connecting rod is provided on the slider, and one end of the angle adjuster is connected to the connecting rod.

According to one aspect of the above technical solution, the main frame includes a support frame and storage cabinets located on opposite sides of the support frame. The storage cabinets are provided with handrails, and the handrails include sliding parts respectively provided on the The pull rod in the locker and the armrest box located between the two pull rods. The armrest box is equipped with an electric wheelchair control rod and an operation panel.

On the other hand, the present invention also provides a self-service care system, including the wheelchair bed in the above technical solution, and the self-service care system also includes:

Toilet device, the toilet device includes a toilet body located on one side of the main body frame, and the toilet body includes a waste discharge port;

The main frame includes a bottom frame for fixing the moving component, a support frame arranged opposite to the bottom frame, and a seat cushion provided on the upper side of the toilet body. The support frame is provided with a hole corresponding to the seat cushion. Corresponding to the avoidance slot provided, the self-service care system also includes:

Lifting mechanism, the lifting mechanism includes a mounting bracket located on the outside of the toilet body, and a screw lifting mechanism located in the mounting bracket, the movable end of the screw lifting mechanism is connected to the toilet body;

A removal mechanism includes a screw translation mechanism located on one side of the toilet body, and the movable end of the screw translation mechanism is connected to the seat cushion.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

Figure 1 is a partial structural schematic diagram of the wheelchair bed in the first embodiment of the present invention;

Figure 2 is a partial structural schematic diagram of the moving assembly and the main frame in the first embodiment of the present invention;

Figure 3 is a schematic structural diagram of the wheelchair device in the first embodiment of the present invention;

Figure 4 is a partial structural schematic diagram of the wheelchair device in the first embodiment of the present invention;

Figure 5 is a schematic structural diagram of the driving mechanism in the first embodiment of the present invention;

Figure 6 is a schematic structural diagram of the toilet device in the second embodiment of the present invention;

Figure 7 is a schematic diagram of the internal structure of the toilet device in the second embodiment of the present invention.

Description of main component symbols:

Main frame 10, bottom frame 10a, support frame 10b, avoidance groove 10c, seat cushion 10d, armrest box 11, pull rod 12, operating panel 13, electric wheelchair control lever 14, mobile component 20, backrest component 30, backrest bracket 31, sliding rod 32. Slider 33, connecting rod 34, fixed frame 35, adjusting rod 36, rotating plate 37, top plate 38, pulley 39, driving motor 310, first back plate 311, second back plate 312, third back plate 313, Drop leg assembly 40, first bracket 41, second bracket 42, first connecting rod 43, second connecting rod 44, telescopic rod 45, leg exercise frame 46, bed body 50, mounting bracket 61, toilet body 62, screw rod Translation mechanism 63, waste discharge port 64, screw lifting mechanism 65.

Detailed ways

In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Various embodiments of the invention are illustrated in the drawings. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It should be noted that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is said to be "connected" to another element, it can be directly connected to the other element or there may also be intervening elements present. The terms "vertical," "horizontal," "left," "right" and similar expressions are used herein for illustrative purposes only.

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

Please refer to Figures 1 to 5, which shows a wheelchair bed in a first embodiment of the present invention, including:

The wheelchair device includes a main frame 10 , a moving component 20 disposed on one side of the bottom of the main frame 10 , a backrest component 30 and a leg drop component 40 disposed on opposite sides of the main frame 10 .

The backrest assembly 30 includes a backrest bracket 31 hingedly provided on one side of the main body frame 10 , a backrest plate provided on the backrest bracket 31 , and a backrest bracket 31 between the backrest bracket 31 and the main body frame 10 The first adjustment mechanism is used to drive the backrest bracket 31 to move relative to the main body frame 10 so that the support surface of the main body frame 10 and the support surface of the backrest bracket 31 are located on the same plane. .

Preferably, in this embodiment, the above-mentioned wheelchair is also provided with a safety belt and an anti-rollover airbag.

Preferably, in this embodiment, the above-mentioned first adjustment mechanism includes an angle adjuster fixed on the lower side of the backrest bracket 31, and a sliding rod 32 is provided on the side of the backrest bracket 31 away from the main body frame 10, so The sliding rod 32 is provided with a sliding block 33 in a sliding manner, and the sliding block 33 is provided with a connecting rod 34. One end of the angle adjuster is connected to the connecting rod 34. Specifically, in this embodiment, the above-mentioned angle adjuster is arranged on the lower side of the backrest bracket 31, which is equivalent to moving the rotation axis downward. Compared with the method of directly arranging the angle adjuster at the hinge, the slider is provided. The rod 32 and the slider 33 can make the backrest bracket 31 and the slider 32 form a parallelogram. At the same time, the slider 33 is pushed by the angle adjuster to complete the rotation of the backrest plate, which can prevent the angle adjuster from extending out of the support frame 10b. Laterally, it reduces the foreign body sensation when the patient lies flat. In addition, the above-mentioned recliner can refer to the electric seat recliner of a car, which will not be described in detail here.

Further, in this embodiment, the above-mentioned backrest board includes a first backboard 311, and a second backboard 312 and a third backboard 313 respectively hingedly provided on opposite sides of the first backboard 311. The backrest assembly 30 also includes a turning mechanism, which includes a fixed frame 35 fixed on one side of the third receiving groove, an adjusting rod 36 rotatably provided on the fixed frame 35, and an adjusting rod 36 fixed on one side of the third receiving groove. 36, the ejection frame includes a rotating plate 37, and top plates 38 respectively provided on opposite sides of the rotating plate 37, and a pulley 39 is provided on the side of the top plate 38 away from the rotating plate 37. , the turning mechanism also includes a driving mechanism, the driving mechanism includes a driving motor 310 fixed on one side of the fixed frame 35 , and a transmission mechanism provided between the driving motor 310 and the adjusting rod 36 . For ease of understanding, the above-mentioned ejection rack, the adjustment rod 36, and the ejection rack including the top plates 38 provided on both sides of the adjustment rod 36 are equivalent to a seesaw structure, with the top plate 38 abutting against the second back plate 312 or the third back plate 313. To realize turning over in different directions, the above-mentioned transmission mechanism uses a gear set to realize transmission between the motor output rod and the adjusting rod 36. In other embodiments, a worm gear mechanism can also be used. In this embodiment, the above-mentioned driving motor 310 adopts a DC reduction motor with a worm gear reduction mechanism to realize self-locking when power is turned off and improve safety.

Preferably, in this embodiment, the backrest panel further includes a first electromagnetic lock provided between the first back panel 311 and the second back panel 312, and a first electromagnetic lock provided on the first back panel 311. and the third back plate 313 between the second electromagnetic lock. When one side needs to be turned over, the first back plate 311 and the second back plate 312 are locked through the first electromagnetic lock, or the first back plate 311 and the third back plate 313 are locked through the second electromagnetic lock. , can improve the force-bearing contact surface between the backrest board and the patient when turning over, making it easier to help the patient perform turning movements. In addition, in this embodiment, the above-mentioned backrest panels are arranged in two layers, and the two-layer backrest panels are fixed at the edges using limit stops. In addition, two permanent magnet blocks are provided between the two-layer backrest panels. The turn-over backrest panel Grooves are designed on the top, and corresponding bumps are designed on the back plate. On the one hand, it prevents the two layers of backrests from falling off in layers when lifting the back, and on the other hand, it prevents the backrest plate on one side that does not move when turning over from slipping laterally due to instability and causing dislocation. The turning mechanism is installed on the bed body 50 to reduce the mass of the wheelchair device and simplify the structure of the wheelchair device to a certain extent.

In this embodiment, the drop leg assembly 40 includes a drop leg bracket hingedly provided on one side of the main body frame 10 , and a second adjustment mechanism disposed between the drop leg bracket and the main body frame 10 , the leg drop bracket is also provided with a leg exercise frame 46, and the second adjustment mechanism is used to drive the drop leg bracket to move relative to the main body frame 10, so that the support surface of the main body frame 10 is in contact with the main body frame 10. The support surfaces of the drop leg brackets are located on the same plane. By setting up the leg-drop bracket, it is convenient for patients to train their legs and soak/wash their feet.

Specifically, in this embodiment, the drop leg bracket includes a first bracket 41 that is hingedly provided on one side of the main frame 10 , and a first bracket 41 that is hingedly provided on a side of the first bracket 41 away from the main frame 10 The second bracket 42 of the main frame 10 is provided with a first connecting rod 43 in a rotary manner, and a second connecting rod 44 is hingedly provided in one end of the first connecting rod 43. The second connecting rod 44 is connected to The second bracket 42 and the second adjustment mechanism include a telescopic rod 45 provided on one side of the main frame 10 , and the movable end of the telescopic rod 45 is connected to the first connecting rod 43 .

Bed 50. The bed 50 and the wheelchair device are separable. The bed 50 is provided with a receiving slot corresponding to the wheelchair device. The receiving slot includes a frame corresponding to the main frame 10. A first receiving groove is provided, and a second receiving groove and a third receiving groove are provided corresponding to the leg drop assembly 40 and the backrest assembly 30 respectively. In some application scenarios of this embodiment, when the wheelchair device is moved to the side of the bed 50 through the moving assembly 20, the backrest bracket 31 and the leg-drop bracket can be swung to the main body by providing a first adjustment mechanism and a second adjustment mechanism. The same plane of the frame 10 is filled with the first receiving groove, the second receiving groove and the third receiving groove to form a complete supporting surface of the bed 50 .

Preferably, in this embodiment, a drawstring is provided on one side of the above-mentioned bed 50, and the drawstring is used for the patient to perform upper limb training.

Specifically, in this embodiment, the above-mentioned main frame 10 includes a support frame 10b, and lockers located on opposite sides of the support frame 10b. The lockers are provided with armrests, and the armrests include sliding There are two pull rods 12 provided on opposite sides of the locker, and an armrest box 11 provided between the two pull rods 12. The armrest box 11 is provided with an operation panel 13, and the operation panel 13 is provided with control button. In some application scenarios of this embodiment, the above-mentioned operation panel 13 is used to control modular equipment such as smart toilets. Preferably, in this embodiment, the above-mentioned armrest box 11 is also provided with an electric wheelchair control lever 14 .

Further, the above-mentioned main frame 10 is equivalent to the chair part of the wheelchair device. In this embodiment, the seat height, that is, the height of the support surface of the support frame 10b is 400mm-500mm; the seat width, that is, the height of the support frame 10b close to the two armrests The distance is 400mm-500mm; the seat depth, that is, the distance between the side of the support frame 10b close to the backrest is 400mm-500mm; the height of the armrest relative to the support frame 10b when in use is 200mm-290mm; the height of the backrest bracket 31 is 600mm-720mm; further In this embodiment, the height of the backrest bracket 31 is 720mm, the seat depth is 500mm, and the seat height is 460mm.

Specifically, in this embodiment, the above-mentioned armrest can refer to the structure of a trolley box. The lever 12 can be used to make the armrest slide in a vertical plane. The button on the operation panel 13 can control the locking block at one end of the lever 12 to slide to the slot position. To fix.

In addition, in this embodiment, the above-mentioned moving assembly 20 includes a running wheel provided on one side of the main frame 10 , a driving motor 310 for driving the running wheel to rotate, and a circuit for controlling the driving motor 310 Control module; the mobile component 20 also includes a control module connected to the circuit control module. The control module includes one or more of a voice control module, an infrared control module, a rocker sensor module, and a consciousness control module. Preferably, in this embodiment, the bed includes a top frame, and side frames respectively provided on opposite sides of the top frame, and the side frames include a first side plate fixed to one side of the top frame. and a second side plate slidably provided on one side of the first side plate. By providing a retractable side frame and sliding and storing the second side panel to one side of the first side panel, it is possible to facilitate the entry and exit of the electric wheelchair.

Specifically, the above-mentioned walking wheel uses a Mecanum wheel; the above-mentioned infrared control module includes an infrared remote control module, including an infrared receiver and a remote control. The infrared remote control is decoded to obtain the key values corresponding to the 17 buttons on the infrared remote control. Write the program according to the value. Each button on the remote control has a different key value, so that different functions can be realized.

The above-mentioned infrared control module also includes an infrared tracking module to realize the positioning of the wheelchair device and the bed 50. The above-mentioned infrared tracking module uses the TCRT5000L 5-channel tracking infrared sensor. The specific parameters are: working voltage: 3.3V to 5V, Output mode: digital signal, measurement distance: 1-1.5CM, detection probe: TCRT5000L;

The above-mentioned voice control module uses the voice module SU-03T. The SU-03T module needs to be connected to the computer with a microphone, speaker, power cord, and CH340 serial port tool. You can use voice to control the car's forward, backward, left turn, right turn, stop and other functions;

The joystick sensor module adopts a dual-axis joystick sensor module, with (X, Y) 2-axis analog output and (Z) 1-way button digital output. It can control the x, y, z values input to the joystick module, and in a specific To achieve a certain function under a value, it can be regarded as a combination of a button and a potentiometer. In the specific design, the acceleration of the smart wheelchair is related to the size of the potentiometer. The user can toggle the rocker, the greater the toggle amplitude. , the faster.

In addition, the above-mentioned control module can also include a button module located on one side of the above-mentioned armrest. The button module can use a 4X4 matrix module. Each button can implement a function. During the specific design, it can be adjusted according to the code, including lifting the back. , foot lifting, bed retracting rod movement and other functions.

Furthermore, the above-mentioned mobile component 20 also includes an obstacle avoidance module. The obstacle avoidance module adopts the HC-SR04 ultrasonic module, VCC, Trig (control end), Echo (receiver end), and GND; by setting the above-mentioned obstacle avoidance module, the wheelchair can Collisions can be avoided when entering and exiting the bed body 50 .

In summary, the wheelchair bed in the above embodiments of the present invention is provided with a wheelchair device and a bed body 50. The wheelchair device includes a backrest assembly 30 and a drop leg assembly 40. The backrest assembly 30 includes a backrest bracket articulated on one side of the main frame 10. 31, and the first adjustment mechanism. The first adjustment mechanism not only facilitates the assembly and combination of the wheelchair device and the bed 50, but also facilitates the patient's back-lifting action. At the same time, the backrest board includes a first backboard 311 and hinged joints respectively. The second back plate 312 and the third back plate 313 on both sides of the first back plate 311 are provided with a turning mechanism, which can facilitate the patient to perform turning movements and meet the patient's use needs in multiple scenarios.

As shown in Figures 6-7, the second embodiment of the present invention provides a self-service care system, including the wheelchair bed in the above embodiment. The self-service care system also includes:

Toilet device, the toilet device includes a toilet body 62 located on one side of the main body frame 10, and the toilet body 62 includes a waste discharge port 64;

The main frame 10 includes a bottom frame 10a for fixing the moving assembly 20, a support frame 10b arranged opposite to the bottom frame 10a, and a seat cushion 10d provided on the upper side of the toilet body 62. The support frame 10b is provided with an avoidance groove 10c corresponding to the seat cushion 10d. The self-service care system also includes:

The lifting mechanism includes a mounting bracket 61 located outside the toilet body 62 and a screw lifting mechanism 65 located inside the mounting bracket 61. The movable end of the screw lifting mechanism 65 is connected to the toilet body. 62;

The removal mechanism includes a screw translation mechanism 63 provided on one side of the toilet body 62, and the movable end of the screw translation mechanism 63 is connected to the seat cushion 10d.

In some application scenarios of this embodiment, when the patient needs to use the toilet, the toilet body 62 and the seat cushion 10d are moved downward through the above-mentioned screw lifting mechanism 65, driving the seat cushion 10d to move to the lower side of the avoidance groove 10c, and then translated through the screw The mechanism 63 moves the seat cushion 10d to the outside of the avoidance groove 10c. Furthermore, the screw lifting mechanism 65 lifts the toilet body 62 to the side close to the avoidance groove 10c, so that the waste outlet 64 is aligned with the avoidance groove 10c, making it easier for the patient to use the toilet.

Specifically, in this embodiment, the above-mentioned toilet device also includes drying, deodorizing, excrement packaging and other mechanisms to further improve the practicality of the self-service care system. In some application scenarios of this embodiment, the display screen and control panel on the armrest can control various functions of the smart toilet.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "an example," "specific examples," or "some examples" or the like means that specific features are described in connection with the embodiment or example. , structures, materials or features are included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only express several implementation modes of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the patent scope of the present invention. It should be noted that for those of ordinary skill in the art, various modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the patent of the present invention should be determined by the appended claims.

Claims (10)

1. A wheelchair bed, characterized in that it includes: Wheelchair device, the wheelchair device includes a main body frame, a moving component located on one side of the bottom of the main body frame, a backrest component and a drop leg component located on opposite sides of the main body frame; The backrest assembly includes a backrest bracket hingedly provided on one side of the main body frame, a backrest plate provided on the backrest bracket, and a first adjustment mechanism provided between the backrest bracket and the main body frame, The first adjustment mechanism is used to drive the backrest bracket to move relative to the main body frame so that the support surface of the main body frame and the support surface of the backrest bracket are located on the same plane; The backrest board includes a first backboard, and a second backboard and a third backboard respectively hingedly provided on opposite sides of the first backboard; Bed body, the bed body and the wheelchair device are separably arranged, the bed body is provided with a receiving slot corresponding to the wheelchair device, the receiving slot includes a first slot corresponding to the main frame. A receiving groove, and a second receiving groove and a third receiving groove respectively provided corresponding to the leg assembly and the backrest assembly. The backrest assembly also includes a turning mechanism, and the turning mechanism includes a component fixed on the third receiving groove. A fixed frame on one side of the slot, an adjusting rod rotatably provided on the fixed frame, and an ejection frame fixed on the adjusting rod. The ejection frame includes a rotating plate, and is respectively provided on the rotating plate. On the opposite sides of the top plate, a pulley is provided on the side of the top plate away from the rotating plate. The turning mechanism also includes a driving mechanism. The driving mechanism includes a driving motor fixed on one side of the fixed frame, and is located on The transmission mechanism between the driving motor and the adjusting rod. 2. The wheelchair bed according to claim 1, wherein the moving assembly includes a running wheel provided on one side of the main frame, a driving motor for driving the running wheel to rotate, and the driving motor. Correspondingly provided braking modules and circuit control modules for controlling the drive motor. The bed includes a top frame and side frames respectively provided on opposite sides of the top frame. The side frames include A first side plate on one side of the top frame and a second side plate slidingly provided on one side of the first side plate. 3. The wheelchair bed according to claim 2, wherein the mobile component further includes a control module connected to the circuit control module, and the control module includes a voice control module, an infrared control module, and a rocker sensor module. , one or more of the consciousness control modules. 4. The wheelchair bed according to claim 1, wherein the leg drop assembly includes a leg drop bracket hingedly provided on one side of the main frame, and a leg drop bracket provided between the leg drop bracket and the main frame. There is a second adjustment mechanism between the leg-drop brackets, and a leg exercise frame is also provided on the leg-drop bracket. The second adjustment mechanism is used to drive the leg-drop bracket to move relative to the main frame, so that the main frame can The supporting surface is located on the same plane as the supporting surface of the drop leg bracket. 5. The wheelchair bed according to claim 4, wherein the drop leg bracket includes a first bracket hingedly provided on one side of the main frame, and a first bracket hingedly provided on one side of the main frame away from the first bracket. A second bracket on one side of the main frame, one end of the main frame is rotatably provided with a first connecting rod, one end of the first connecting rod is hingedly provided with a second connecting rod, and the second connecting rod is connected to the Second bracket. 6. The wheelchair bed according to claim 5, wherein the second adjustment mechanism includes a telescopic rod provided on one side of the main frame, and the movable end of the telescopic rod is connected to the first connecting rod. 7. The wheelchair bed according to claim 1, wherein the backrest board further includes a first electromagnetic lock provided between the first backboard and the second backboard, and a first electromagnetic lock provided between the first backboard and the second backboard. A second electromagnetic lock between the first back plate and the third back plate. 8. The wheelchair bed according to claim 1, wherein the first adjustment mechanism includes an angle adjuster fixed on the lower side of the backrest bracket, and a side of the backrest bracket away from the main frame is provided with A sliding rod is provided with a sliding block on the sliding rod, a connecting rod is provided on the sliding block, and one end of the angle adjuster is connected to the connecting rod. 9. The wheelchair bed according to claim 1, wherein the main frame includes a support frame and storage cabinets located on opposite sides of the support frame, the storage cabinets are provided with handrails, and the The armrest includes pull rods respectively slidably provided in the locker, and an armrest box provided between the two pull rods. An electric wheelchair control lever and an operation panel are installed on the armrest box. 10. A self-service care system, characterized in that it includes the wheelchair bed according to any one of claims 1 to 9, and the self-service care system further includes: Toilet device, the toilet device includes a toilet body located on one side of the main body frame, and the toilet body includes a waste discharge port; The main frame includes a bottom frame for fixing the moving component, a support frame arranged opposite to the bottom frame, and a seat cushion provided on the upper side of the toilet body. The support frame is provided with a hole corresponding to the seat cushion. Corresponding to the avoidance slot provided, the self-service care system also includes: Lifting mechanism, the lifting mechanism includes a mounting bracket located on the outside of the toilet body, and a screw lifting mechanism located in the mounting bracket, the movable end of the screw lifting mechanism is connected to the toilet body; A removal mechanism includes a screw translation mechanism located on one side of the toilet body, and the movable end of the screw translation mechanism is connected to the seat cushion.