Medical care wheelchair bed

Abstract

The application discloses a medical-care wheelchair bed, which comprises a bed body part and a wheelchair part, the bed body part is provided with an open slot, the wheelchair part is detachably connected with the bed body part, the wheelchair part comprises a first leg plate, a seat and a backrest which are sequentially hinged, the first leg plate is provided with a lower limb exercise assembly, the seat is provided with an upper limb exercise assembly, the wheelchair part is further provided with a transmission assembly, the transmission assembly is connected with the upper limb exercise assembly, when the medical-care wheelchair bed is in a combined state, the first leg plate, the seat and the backrest are unfolded and clamped into the open slot, when the medical-care wheelchair bed is in a split state, the first leg plate, the seat and the backrest are separated from the bed body part and are mutually bent to form a wheelchair, the transmission assembly is connected with the backrest, and the upper limb exercise assembly can drive the backrest to massage the back of a human body under control through the transmission assembly. The medical-care wheelchair bed of the application is convenient for patients to lie flat when in the combined state, and patients can massage their backs while exercising the upper limbs when in the split state.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of nursing beds, in particular to a medical care wheelchair bed. BACKGROUND

[0002] The medical care wheelchair bed refers to a nursing bed with a bed body and a wheelchair that can be separated. The medical care wheelchair bed provides great convenience for the life of the elderly or people with difficulty in moving, greatly improves comfort, and is more functional, improves the self-care ability of the person being cared for, and reduces the labor burden of the staff. The ordinary medical care wheelchair bed has relatively few functions and only has functions such as turning over, lifting, and assisting in excretion in daily life, and less involves functions such as upper and lower limb exercise needed by bedridden patients in daily life. SUMMARY

[0003] The present application aims to at least solve one of the technical problems existing in the prior art. To this end, the present application provides a medical care wheelchair bed, which solves the problem that the existing medical care wheelchair bed less involves functions such as upper and lower limb exercise needed by bedridden patients in daily life.

[0004] The medical care wheelchair bed according to the embodiment of the present application comprises:

[0005] a bed body part, wherein an open slot is arranged on the bed body part;

[0006] a wheelchair part, which is detachably connected with the bed body part, wherein the wheelchair part comprises a first leg plate, a seat and a backrest which are sequentially hinged, a lower limb exercise assembly is arranged on the first leg plate, an upper limb exercise assembly is arranged on the seat, and a transmission assembly is further arranged on the wheelchair part, wherein the transmission assembly is connected with the upper limb exercise assembly;

[0007] When the medical care wheelchair bed is in a combined state, the first leg plate, the seat and the backrest are unfolded and clamped into the open slot; when the medical care wheelchair bed is in a separated state, the first leg plate, the seat and the backrest are separated from the bed body part and are bent to form a wheelchair, the transmission assembly is connected with the backrest, and the upper limb exercise assembly can be controlled to drive the backrest to massage the back of the human body through the transmission assembly.

[0008] The medical care wheelchair bed according to the embodiment of the present application has at least the following beneficial effects:

[0009] The wheelchair part and the bed body part are detachably arranged, when the wheelchair part is in a flat state, the first leg plate, the seat and the backrest are unfolded and clamped into the opening slot, which is convenient for the patient to lie flat, when the wheelchair part is in a wheelchair state, the wheelchair part is separated from the bed body part, the first leg plate, the seat and the backrest are folded to form a wheelchair, the upper limb exercise assembly is convenient for the patient to exercise the upper limbs, the lower limb exercise assembly is convenient for the patient to exercise the lower limbs, the backrest is driven by the transmission assembly to massage the back of the human body, the upper limb exercise assembly is linked with the backrest, the patient can massage the back while exercising the upper limbs, and the comfort of the medical care wheelchair bed can be effectively improved.

[0010] According to some embodiments of the present application, the seat is provided with a connecting hole, the backrest comprises a back plate, a connecting rod and a spring, the connecting rod connects the back plate, the connecting rod passes through the connecting hole, the connecting rod comprises a connecting upper rod and a connecting lower rod which are hingedly connected, the connecting upper rod is provided with an upper limiting surface, the connecting lower rod is provided with a lower limiting surface, and the spring is sleeved on the connecting lower rod and abuts against the lower limiting surface and the seat at two ends thereof;

[0011] When the medical care wheelchair bed is in the combined state, the connecting upper rod extends out of the connecting hole, and the connecting upper rod and the connecting lower rod are in a bent shape; when the medical care wheelchair bed is in the detached state, the upper limiting surface abuts against the seat, the hinged part of the connecting upper rod and the connecting lower rod is located in the connecting hole, and the connecting upper rod and the connecting lower rod are coaxial.

[0012] According to some embodiments of the present application, the upper limb exercise assembly comprises a hand wheel, the hand wheel is rotationally connected to the seat, the transmission assembly comprises a first gear, a second gear, a third gear, a worm and a worm wheel, the first gear connects the hand wheel, the second gear meshes with the first gear and the third gear respectively, the third gear connects the worm, and the worm wheel connects the connecting lower rod; when the medical care wheelchair bed is in the detached state, the worm meshes with the worm wheel.

[0013] According to some embodiments of the present application, the back plate is provided with two, the connecting rod is provided with two, two back plates are connected to two connecting upper rods respectively, the connecting lower rod connected with the worm wheel is provided with a driving gear, and the other connecting lower rod is provided with a driven gear, and the driven gear meshes with the driving gear.

[0014] According to some embodiments of the present application, the lower limb exercise assembly comprises a connecting plate, a rotating shaft, two rotating discs and two foot pedals, the connecting plate is connected to the first leg plate, the connecting plate is provided with a rotating hole, the rotating shaft passes through the rotating hole, the rotating shaft is connected to the center of the two rotating discs respectively, the two foot pedals are connected to the eccentric position of the two rotating discs respectively, and the line connecting the two foot pedals to the center of the corresponding two rotating discs is Z-shaped with the line connecting the centers of the two rotating discs.

[0015] According to some embodiments of the present application, the first leg plate is provided with a receiving hole, the connecting plate is rotatably connected in the receiving hole, the connecting plate is provided with a receiving groove at the eccentric position on the opposite sides, the rotating disc is located in the receiving groove, the rotating hole is connected to the two receiving grooves, and the foot pedal is foldably connected to the rotating disc.

[0016] When the medical care wheelchair bed is in the combined state, the connecting plate is received in the receiving hole, and the foot pedal is folded against the rotating disc; when the medical care wheelchair bed is in the split state, the plate surface of the connecting plate intersects with the plate surface of the first leg plate, the rotating disc is located in front of the first leg plate, and the foot pedal is unfolded.

[0017] According to some embodiments of the present application, the bed body part comprises an upper support, a lower support, a head plate, two first side plates and two second leg plates, the upper support and the lower support are provided with a lifting assembly, the head plate, the two first side plates and the two second leg plates are located on the upper support, the two first side plates are located on the opposite sides of the head plate, the second leg plates are located at the end of the first side plates away from the head plate, the head plate, the two first side plates and the two second leg plates are arranged in a U shape, and the space enclosed by the head plate, the two first side plates and the two second leg plates forms the open groove.

[0018] According to some embodiments of the present application, the second leg plate is provided with a leg support assembly, the leg support assembly comprises a first support plate, a second support plate and an elastic hinge, the first support plate and the second support plate are hinged through the elastic hinge, the hinged part of the first support plate and the second support plate protrudes away from the upper support, and the elastic hinge is used to realize the automatic rebound of the first support plate and the second support plate after pressing.

[0019] According to some embodiments of the present application, the bed body further comprises two second side plates, the second side plates are above the first side plates, the two second side plates are hinged at opposite ends of the head plate, the upper support comprises a vertical beam arranged at the middle of the bed body and along the height direction of the bed body, the upper support is provided with two side turning assemblies, the side turning assembly comprises a side pushing rod and a side pushing telescopic rod, the side pushing rod is arranged along the width direction of the bed body, one end of the side pushing rod is hinged to the upper end of the vertical beam, the other end of the side pushing rod supports the second side plate and is hinged to one end of the side pushing telescopic rod, the other end of the side pushing telescopic rod is hinged to the lower end of the vertical beam, the first side plate is provided with an avoiding slot for the side pushing rod to extend into.

[0020] According to some embodiments of the present application, the upper support comprises a cross beam arranged along the width direction of the bed body, the cross beam is arranged in the height direction of the bed body and spaced apart from the first side plate, the cross beam is provided with a back lifting assembly, the back lifting assembly comprises a supporting rod, a pop-up air cylinder, two first back lifting telescopic rods and two second back lifting telescopic rods, the supporting rod is arranged along the width direction of the bed body, the supporting rod is supported at the middle below the two first side plates, one end of the two first back lifting telescopic rods is connected to the cross beam, the other end of the two first back lifting telescopic rods is connected to the two ends of the supporting rod respectively, one end of the two second back lifting telescopic rods is connected to the cross beam, the other end of the second back lifting telescopic rod is connected to the first side plate close to one end of the second leg plate, when the medical care wheelchair bed is in the combined state, the supporting rod is supported below the backrest, the pop-up air cylinder is supported below the backrest, and the pop-up air cylinder is used to pop up the backrest from the opening slot.

[0021] According to some embodiments of the present application, the width of the opening end of the opening slot is smaller than the width of the bottom end of the opening slot, the width of the backrest is greater than the width of the seat and the first leg plate, when the medical care wheelchair bed is in the combined state, the backrest is clamped into the bottom end of the opening slot, and the seat and the first leg plate are clamped into the opening end of the opening slot.

[0022] According to some embodiments of the present application, the second leg plate is provided with a limiting slot, the leg support assembly is installed in the limiting slot, one end of the first support plate away from the second support plate is hinged in the limiting slot, one end of the second support plate away from the first support plate is slidingly connected in the limiting slot, or one end of the second support plate away from the first support plate is hinged in the limiting slot, and one end of the first support plate away from the second support plate is slidingly connected in the limiting slot.

[0023] According to some embodiments of the present application, the second leg plate is provided with a first locking assembly in the middle, the leg support assembly is provided with a first locking slot, one end of the first locking assembly is detachably inserted into the first locking slot, and the first locking slot is arranged on the side wall of the first support plate or the second support plate; the first locking assembly comprises a first micro telescopic rod.

[0024] According to some embodiments of the present application, the second leg plate is provided with a second locking assembly away from one end of the first side plate, the first leg plate is provided with a second locking slot, and one end of the second locking assembly is detachably inserted into the second locking slot; the second locking assembly comprises a second micro telescopic rod.

[0025] According to some embodiments of the present application, a plurality of massage heads for massage are arranged on the backrest in a convex manner.

[0026] According to some embodiments of the present application, a bedpan for facilitating defecation is arranged on the seat, a first supporting wheel is rotatably connected below the seat, and a second supporting wheel is arranged on the first leg plate away from one end of the seat.

[0027] According to some embodiments of the present application, a push rod and two guardrails are arranged on the upper support, the push rod is arranged along the width direction of the bed body part, and the two guardrails are located on both sides of the width direction of the bed body part; a plurality of casters are arranged on the lower end of the lower support. A protective shell is arranged on the lower support, and the protective shell is hollow inside.

[0028] Additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0029] The present application will be further described below in combination with the drawings and embodiments, in which:

[0030] Figure 1 Structure schematic of a medical care wheelchair bed according to an embodiment of the present application in a combined state Figure 1 ;

[0031] Figure 2 Structure schematic of a bed body part of a medical care wheelchair bed according to an embodiment of the present application in a split state

[0032] Figure 3 Structure schematic of a wheelchair part of a medical care wheelchair bed according to an embodiment of the present application in a split state Figure 1 ;

[0033] Figure 4 Structure schematic of a medical care wheelchair bed according to an embodiment of the present application in a side-rolling state

[0034] Figure 5 Structure diagram of the medical-care wheelchair bed in an embodiment of the present application in a back-raising state;

[0035] Figure 6 Structure diagram of the wheelchair part of the medical-care wheelchair bed in an embodiment of the present application in a split state Figure 2 ;

[0036] Figure 7 Structure diagram of the wheelchair part of the medical-care wheelchair bed in an embodiment of the present application in a split state Figure 3 ;

[0037] Figure 8 Structure diagram of the connection between the backrest and the seat of the medical-care wheelchair bed in an embodiment of the present application in a split state;

[0038] Figure 9 Structure diagram of the connection between the backrest and the seat of the medical-care wheelchair bed in an embodiment of the present application in a combined state;

[0039] Figure 10 Structure diagram of the first side plate of the medical-care wheelchair bed in an embodiment of the present application;

[0040] Figure 11 Structure diagram of the medical-care wheelchair bed in an embodiment of the present application in a combined state Figure 2 ;

[0041] Figure 12 Structure diagram of the leg support assembly of the medical-care wheelchair bed in an embodiment of the present application;

[0042] Figure 13 Structure diagram of the upper support, the side-tilting assembly and the back-raising assembly of the medical-care wheelchair bed in an embodiment of the present application Figure 1 ;

[0043] Figure 14 Structure diagram of the upper support, the side-tilting assembly and the back-raising assembly of the medical-care wheelchair bed in an embodiment of the present application Figure 2 .

[0044] Reference signs:

[0045] 100, bed body part; 110, open slot; 120, upper support; 121, vertical beam; 122, horizontal beam; 123, guardrail; 124, push rod; 130, lower support; 131, caster; 132, protective shell; 141, head plate; 142, first side plate; 1421, position-avoiding slot; 143, second leg plate; 1431, second locking assembly; 144, second side plate;

[0046] 150, lifting assembly; 151, electric telescopic rod;

[0047] 160, leg support assembly; 161, first support plate; 162, second support plate; 163, elastic hinge;

[0048] 170, roll-over assembly; 171, side push rod; 172, side push telescopic rod;

[0049] 180, back lifting assembly; 181, support rod; 182, pop-up cylinder; 183, first back lifting telescopic rod; 184, second back lifting telescopic rod;

[0050] 200, wheelchair part; 210, first leg plate; 211, storage hole; 212, second support wheel; 220, seat; 221, connecting hole; 222, bedpan; 223, first support wheel;

[0051] 230, backrest; 231, back plate; 2311, upper limit surface; 2312, elastic member; 2313, massage head; 232, connecting rod; 2321, upper connecting rod; 2322, lower connecting rod; 233, spring; 234, driving gear; 2341, lower limit surface; 235, driven gear;

[0052] 240, upper limb exercise assembly; 241, hand wheel;

[0053] 250, lower limb exercise assembly; 251, connecting plate; 252, turntable; 253, foot pedal;

[0054] 260, transmission assembly; 261, first gear; 262, second gear; 263, third gear; 264, worm; 265, worm wheel. DETAILED DESCRIPTION

[0055] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for the purpose of explaining the present application, and should not be understood as limiting the present application.

[0056] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the features defined as "first" and "second" can be explicitly or implicitly included one or more features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0057] In the description of the present application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0058] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 7 , according to the medical care wheelchair bed of the embodiment of the present application, comprising a bed body part 100 and a wheelchair part 200, the bed body part 100 is provided with an open slot 110. The wheelchair part 200 is detachably connected with the bed body part 100, the wheelchair part 200 comprises a first leg plate 210, a seat 220 and a backrest 230 which are sequentially hinged. The first leg plate 210 is provided with a lower limb exercise assembly 250, the seat 220 is provided with an upper limb exercise assembly 240, and the wheelchair part 200 is further provided with a transmission assembly 260, and the transmission assembly 260 is connected with the upper limb exercise assembly 240.

[0059] When the medical care wheelchair bed is in the combined state, the first leg plate 210, the seat 220 and the backrest 230 are unfolded and clamped into the open slot 110. When the medical care wheelchair bed is in the split state, the first leg plate 210, the seat 220 and the backrest 230 are separated from the bed body part 100 and are bent to form a wheelchair, the transmission assembly 260 is connected with the backrest 230, the upper limb exercise assembly 240 drives the backrest 230 to massage the back of the human body through the transmission assembly 260, and the patient controls the movement of the upper limb exercise assembly 240 to drive the transmission assembly 260 to move, thereby driving the backrest 230 to massage the back of the human body.

[0060] The wheelchair part 200 and the bed part 100 can be split, when the medical care wheelchair bed is in the combined state, the first leg plate 210, the seat 220 and the backrest 230 are unfolded and clamped into the opening slot 110, which is convenient for the patient to lie down. When the medical care wheelchair bed is in the split state, the wheelchair part 200 is separated from the bed part 100, the first leg plate 210, the seat 220 and the backrest 230 are folded to form a wheelchair; the upper limb exercise assembly 240 is convenient for the patient to exercise the upper limbs, the lower limb exercise assembly 250 is convenient for the patient to exercise the lower limbs, the upper limb exercise assembly 240 drives the backrest 230 to massage the back of the human body through the transmission assembly 260, the upper limb exercise assembly 240 is linked with the backrest 230, the patient can massage his back while exercising the upper limbs, which can effectively improve the comfort of the medical care wheelchair bed.

[0061] In some embodiments, referring to Figure 6 、 Figure 8 and Figure 9 , the seat 220 is provided with a connecting hole 221, and the connecting hole 221 is arranged close to the backrest 230. The backrest 230 comprises a back plate 231, a connecting rod 232 and a spring 233, the connecting rod 232 connects the back plate 231, and the connecting rod 232 penetrates through the connecting hole 221. The connecting rod 232 comprises a connecting upper rod 2321 and a connecting lower rod 2322, the connecting upper rod 2321 and the connecting lower rod 2322 are hinged, the connecting upper rod 2321 is provided with an upper limiting surface 2311, the connecting lower rod 2322 is provided with a lower limiting surface 2341, the spring 233 is sleeved on the connecting lower rod 2322, and the two ends of the spring 233 abut against the lower limiting surface 2341 and the seat 220 respectively.

[0062] When the medical care wheelchair bed is in the combined state, the connecting upper rod 2321 extends out of the connecting hole 221, the connecting upper rod 2321 and the connecting lower rod 2322 are in a bent shape, the lower limiting surface 2341 and the lower end surface of the seat 220 extrude the spring 233, the connecting upper rod 2321 drives the back plate 231 to overturn, which ensures that the back plate 231 and the seat 220 are in a flat state, and ensures that the back plate 231 is smoothly clamped into the opening slot 110 of the bed part 100, which is convenient for the patient to lie down.

[0063] When the medical care wheelchair bed is in the split state, the spring 233 pushes the lower limiting surface 2341 away from the lower end surface of the seat 220, the upper limiting surface 2311 abuts against the seat 220, the hinge part of the connecting upper rod 2321 and the connecting lower rod 2322 is located in the connecting hole 221, so that the connecting upper rod 2321 and the connecting lower rod 2322 cannot rotate relative to the hinge center of the connecting upper rod 2321 and the connecting lower rod 2322, the connecting upper rod 2321 and the connecting lower rod 2322 are coaxial, which ensures that the connecting upper rod 2321 drives the back plate 231 to be adjusted, and the back plate 231 can stably support the back of the patient when the patient sits on the wheelchair.

[0064] In some embodiments, referring toFigure 3 、 Figure 6 、 Figure 7 and Figure 8 The upper limb exercise assembly 240 comprises hand wheels 241 rotatably connected to the seat 220. The transmission assembly 260 comprises first gears 261 connected to the hand wheels 241, second gears 262 meshing with the first gears 261 and third gears 263 respectively, the third gears 263 connected to a worm 264, and a worm wheel 265 connected to the connecting lower rod 2322. When the medical care wheelchair bed is in the split state, the worm 264 meshes with the worm wheel 265.

[0065] The hand wheels 241 are provided in two, and the two hand wheels 241 are arranged at the two ends of the seat 220 in the width direction, and the corresponding first gears 261 are provided in two. The second gears 262 are intermediate transmission gears, and can be provided in two or four, and the third gears 263 are provided in two, and the two third gears 263 are connected to the two ends of the worm 264. When the medical care wheelchair bed is in the split state, the first leg plate 210, the seat 220 and the backrest 230 are folded to form a wheelchair, the hand wheels 241 can also serve as armrests of the wheelchair, and the worm 264 meshes with the worm wheel 265.

[0066] Rotating the hand wheels 241 drives the first gears 261 to rotate, drives the second gears 262 to rotate, drives the third gears 263 to rotate, drives the worm 264 to rotate, and drives the worm wheel 265 to rotate. The worm wheel 265 is connected below the connecting lower rod 2322, and the rotation of the worm wheel 265 drives the connecting lower rod 2322 to rotate. When the medical care wheelchair bed is in the split state, the hinge between the connecting upper rod 2321 and the connecting lower rod 2322 is located in the connecting hole 221, so that the connecting upper rod 2321 and the connecting lower rod 2322 cannot rotate relative to the hinge center of the connecting upper rod 2321 and the connecting lower rod 2322, but it does not affect the connecting lower rod 2322 driving the connecting upper rod 2321 to rotate around the axis of the connecting lower rod 2322. The rotation of the connecting lower rod 2322 around the axis of the connecting lower rod 2322 drives the connecting upper rod 2321 to rotate around the axis of the connecting upper rod 2321, drives the back plate 231 to rotate around the axis of the connecting upper rod 2321, and the back plate 231 abuts against the back of the patient. When the back plate 231 rotates around the axis of the connecting upper rod 2321, it can rub the back of the human body to achieve massage.

[0067] In some embodiments, with reference to Figure 3 、 Figure 6 、 Figure 7 and Figure 8The back plate 231 is provided with two, the connecting rod 232 is provided with two, two back plates 231 are connected with two connecting upper rods 2321 respectively. The connecting lower rod 232 connected with the worm wheel 265 is provided with a driving gear 234, and the other connecting lower rod 232 is provided with a driven gear 235, and the driven gear 235 is engaged with the driving gear 234.

[0068] The two connecting rods 232 are arranged side by side and spaced apart, the lower end of the connecting rod 232 passes through the connecting hole 221, the upper end of the connecting upper rod 2321 is connected with the back plate 231, and the lower end of the back plate 231 forms an upper limiting surface 2311. When the medical care wheelchair bed is in a split state, the lower end of the back plate 231 abuts against the upper end surface of the seat 220. The two connecting rods 232 are located at the middle position of the width direction of the backrest 230, and the two back plates 231 extend to both sides along the middle of the width direction of the backrest 230.

[0069] The two back plates 231 are connected by elastic members 2312, which can be elastic rubber. By connecting the back plates 231 through the elastic members 2312, the two back plates 231 form a whole, so that the backrest 230 can provide stable support for the patient's back.

[0070] When the worm wheel 265 rotates, the driving gear 234 is driven to rotate, and the driven gear 235 is driven to rotate, the rotation directions of the driving gear 234 and the driven gear 235 are opposite, so that the rotation directions of the two connecting lower rods 2322 are opposite, and then the rotation directions of the two back plates 231 are opposite, so that the two back plates 231 are opened and closed at the same time, and the rotation of the back plate 231 is coordinated and beautiful.

[0071] The upper end surfaces of the driving gear 234 and the driven gear 235 form a lower limiting surface 2341, when the medical care wheelchair bed is in a combined state, the driving gear 234 and the lower end surface of the seat 220 extrude the spring 233, and the driven gear 235 and the lower end surface of the seat 220 extrude the spring 233.

[0072] In some embodiments, referring to Figure 3 The lower limb exercise assembly 250 includes a connecting plate 251, a rotating shaft, two rotating discs 252 and two foot pedals 253. The connecting plate 251 is connected to the first leg plate 210, the connecting plate 251 is provided with a rotating hole, the rotating shaft passes through the rotating hole, the two ends of the rotating shaft are connected with the centers of the two rotating discs 252 respectively, the two foot pedals 253 are connected to the eccentric positions of the two rotating discs 252 respectively, and the line connecting the two foot pedals 253 to the centers of the corresponding two rotating discs 252 and the line connecting the centers of the two rotating discs 252 form a Z shape.

[0073] Two foot pedals 253 are convenient for the patient to place his feet, and two foot pedals 253 are arranged at eccentric positions of the turntable 252. Pedaling one foot pedal 253 can drive the turntable 252 to rotate around the rotating shaft. The line connecting the centers of the two turntables 252 and the line connecting the two foot pedals 253 to the centers of the two turntables 252 form a Z shape. When the left foot pedals down one foot pedal 253, the other foot pedal 253 drives the right foot to rise. When the descending foot pedal 253 reaches the lowest point, the ascending foot pedal 253 reaches the highest point. The foot pedal 253 reaching the highest point is convenient for the right foot to pedal down, and the foot pedal 253 reaching the lowest point drives the left foot to rise. The left and right feet are alternately pedaled up and down to achieve lower limb exercise.

[0074] In some embodiments, referring to Figure 3 , the first leg plate 210 is provided with a receiving hole 211, and the connecting plate 251 is rotationally connected in the receiving hole 211. The connecting plate 251 is provided with accommodating grooves at eccentric positions on opposite sides, and the turntable 252 is located in the accommodating grooves. The rotating hole communicates the two accommodating grooves, and the foot pedal 253 is foldably connected to the turntable 252. The turntable 252 is received in the accommodating groove, so that the thickness at the two turntables 252 is smaller, which is convenient for storage.

[0075] When the medical care wheelchair bed is in the combined state, the connecting plate 251 is received in the receiving hole 211, and the foot pedal 253 is folded against the turntable 252. The connecting plate 251 is received in the receiving hole 211, and the foot pedal 253 is folded on the turntable 252, so that the overall thickness of the turntable 252 on the connecting plate 251 is smaller. When the medical care wheelchair bed is in the combined state, the connecting plate 251, the turntable 252 and the foot pedal 253 do not protrude too much, which ensures that the patient lies comfortably.

[0076] When the medical care wheelchair bed is in the split state, the plate surface of the connecting plate 251 intersects the plate surface of the first leg plate 210, the turntable 252 is located in front of the first leg plate 210, and the foot pedal 253 is unfolded. The patient pedals the foot pedal 253 with his feet, pedals the foot pedal 253, and exercises the lower limbs.

[0077] In some embodiments, referring to Figure 2 , Figure 10 and Figure 11The bed body 100 includes an upper support 120, a lower support 130, a head plate 141, two first side plates 142, and two second leg plates 143. The upper support 120 is provided with a lifting assembly 150 between the upper support 120 and the lower support 130, and the head plate 141, the two first side plates 142, and the two second leg plates 143 are located on the upper support 120. The two first side plates 142 are located on opposite sides of the head plate 141, and the second leg plates 143 are located at an end of the first side plates 142 away from the head plate 141. The head plate 141, the two first side plates 142, and the two second leg plates 143 are arranged in a U shape, and a space enclosed by the head plate 141, the two first side plates 142, and the two second leg plates 143 forms an open slot 110.

[0078] The upper support 120 supports the head plate 141, the two first side plates 142, and the two second leg plates 143, and the lower support 130 supports the lifting assembly 150. The lifting assembly 150 includes a plurality of electric telescopic rods 151, and the lifting assembly 150 drives the entire upper support 120 to move up and down, thereby driving the head plate 141, the two first side plates 142, and the two second leg plates 143 to move up and down.

[0079] The space enclosed by the head plate 141, the two first side plates 142, and the two second leg plates 143 forms the open slot 110. When the medical care wheelchair bed is in the combined state, the first leg plate 210, the seat 220, and the backrest 230 are clamped into the open slot 110, and the upper support 120 supports the first leg plate 210, the seat 220, and the backrest 230. The head plate 141, the two first side plates 142, the two second leg plates 143, the first leg plate 210, the seat 220, and the backrest 230 form a complete bed plate, which is convenient for the patient to lie flat.

[0080] In some embodiments, referring to Figure 1 , Figure 2 , Figure 4 and Figure 12 , the second leg plate 143 is provided with a leg support assembly 160. The leg support assembly 160 includes a first support plate 161, a second support plate 162, and an elastic hinge 163. The first support plate 161 and the second support plate 162 are hinged by the elastic hinge 163. The hinge of the first support plate 161 and the second support plate 162 protrudes away from the upper support 120, and the elastic hinge 163 is used to realize automatic rebound after pressing the first support plate 161 and the second support plate 162.

[0081] When the medical care wheelchair bed is in the combined state, the two second leg plates 143 are located on both sides of the first leg plate 210 along the width direction of the bed body part 100. The leg support assembly 160 is arranged on the second leg plate 143, and when the patient lies flat, the legs can be spread out, and the legs are placed on the leg support assembly 160, the upper leg is placed on the first support plate 161, and the lower leg is placed on the second support plate 162. The hinge part of the first support plate 161 and the second support plate 162 protrudes upward, lifting the knee of the patient.

[0082] The patient presses down the knee, drives the first support plate 161 and the second support plate 162 to move downward, bends the leg, lifts the knee, and the elastic hinge 163 drives the hinge part of the first support plate 161 and the second support plate 162 to lift, reducing the effort of the patient bending the leg. Through the automatic rebound of the hinge part of the first support plate 161 and the second support plate 162 pressed by the elastic hinge 163, the patient's leg is driven to switch between the bent state and the stretched state, which can exercise the lower limb strength and hip strength of the patient, effectively prevent the occurrence of bedsores, and improve the excretion power of the patient.

[0083] In some embodiments, referring to Figure 4 、 Figure 10 、 Figure 11 、 Figure 13 and Figure 14 , the bed body part 100 further comprises two second side plates 144, the second side plates 144 are located above the first side plates 142, and the two second side plates 144 are hinged at opposite ends of the head plate 141. The upper support 120 comprises a vertical beam 121, and the vertical beam 121 is located in the middle of the bed body part 100 and is arranged along the height direction of the bed body part 100. The upper support 120 is provided with two side turning assemblies 170, and the two side turning assemblies 170 are respectively used to drive the patient to turn left and right. The side turning assembly 170 comprises a side pushing rod 171 and a side pushing telescopic rod 172, and the side pushing rod 171 is arranged along the width direction of the bed body part 100. One end of the side pushing rod 171 is hinged to the upper end of the vertical beam 121, and the other end of the side pushing rod 171 supports the second side plate 144 and is hinged to one end of the side pushing telescopic rod 172. The other end of the side pushing telescopic rod 172 is hinged to the lower end of the vertical beam 121 below the second side plate 144, and the first side plate 142 is provided with an avoidance slot 1421 for the side pushing rod 171 to extend into.

[0084] The vertical beam 121 is arranged along the height direction of the bed body part 100, the side pushing rod 171 is arranged along the width direction of the bed body part 100, one end of the side pushing rod 171 is hinged to the upper end of the vertical beam 121, one end of the side pushing telescopic rod 172 is hinged to the lower end of the vertical beam 121, the other end of the side pushing telescopic rod 172 is hinged to the other end of the side pushing rod 171, and the vertical beam 121, the side pushing rod 171 and the side pushing telescopic rod 172 are arranged in a triangular shape. When the side pushing telescopic rod 172 is extended, the vertical beam 121 is fixed on the upper support 120 and remains stationary, the hinged point position of the side pushing telescopic rod 172 and the vertical beam 121 remains unchanged, the hinged point position of the side pushing rod 171 and the vertical beam 121 remains unchanged, and the hinged point of the side pushing rod 171 and the side pushing telescopic rod 172 rotates upward around the hinged point of the side pushing rod 171 and the vertical beam 121. The side pushing telescopic rod 172 is retracted, and the side pushing rod 171 is reset. When the side pushing telescopic rod 172 is extended, the side pushing rod 171 extends into the avoidance slot 1421 to push the second side plate 144, the second side plate 144 is hinged to the head plate 141, the side pushing rod 171 pushes the second side plate 144 to rotate around the length direction of the bed body part 100, and the patient is rolled over. The side pushing telescopic rod 172 is retracted, the side pushing rod 171 is reset, and the second side plate 144 is reset.

[0085] In some embodiments, referring to Figure 5 、 Figure 11 、 Figure 13 and Figure 14 , the upper support 120 includes a cross beam 122 arranged along the width direction of the bed body part 100, the cross beam 122 is arranged in the height direction of the bed body part 100 and spaced apart from the first side plate 142, and the cross beam 122 is provided with a back lifting assembly 180. The back lifting assembly 180 includes a support rod 181, a pop-up pneumatic cylinder 182, two first back lifting telescopic rods 183 and two second back lifting telescopic rods 184. The support rod 181 is arranged along the width direction of the bed body part 100 and supported at the middle part below the two first side plates 142. One end of each of the two first back lifting telescopic rods 183 is connected to the cross beam 122, and the other end of each of the two first back lifting telescopic rods 183 is connected to the two ends of the support rod 181, respectively. One end of each of the two second back lifting telescopic rods 184 is connected to the cross beam 122, and the other end of each of the two second back lifting telescopic rods 184 is connected to the first side plate 142 near the end of the second leg plate 143. When the medical care wheelchair bed is in the combined state, the support rod 181 is supported below the backrest 230, and the pop-up pneumatic cylinder 182 is supported below the backrest 230. The pop-up pneumatic cylinder 182 is used to pop up the backrest 230 from the opening slot 110.

[0086] When the medical care wheelchair bed is in the combined state, the patient lies flat, the two first back lifting telescopic rods 183 are extended, the support rods 181 are pushed to move upward, the support rods 181 push the two first side plates 142 and the backrest 230 to lift up, at the same time, the two second back lifting telescopic rods 184 are shortened, the first side plates 142 are pulled to sink close to the one end of the second leg plate 143, thereby driving the first side plates 142 and the backrest 230 to tilt, back lifting is realized, the first back lifting telescopic rods 183 are retracted, the second back lifting telescopic rods 184 are extended, and the first side plates 142 and the backrest 230 are reset.

[0087] When the first back lifting telescopic rods 183 are extended to the maximum length and the second back lifting telescopic rods 184 are shortened to the shortest length, the pop-up cylinder 182 pushes the backrest 230 out of the opening slot 110, and the sitting-lying conversion is realized, which facilitates the patient to separate the wheelchair part 200 from the bed body part 100 by himself.

[0088] In some embodiments, referring to Figure 1 、 Figure 2 and Figure 3 , the width of the opening end of the opening slot 110 is smaller than the width of the bottom end of the opening slot 110, and the width of the backrest 230 is greater than the width of the chair seat 220 and the first leg plate 210. When the medical care wheelchair bed is in the combined state, the backrest 230 is clamped into the bottom end of the opening slot 110, and the chair seat 220 and the first leg plate 210 are clamped into the opening end of the opening slot 110. When the medical care wheelchair bed is in the combined state, the opening slot 110 can limit the backrest 230 from sliding out along the opening direction of the opening slot 110, and ensure the combination fastening. When it is needed to disassemble the medical care wheelchair bed, the pop-up cylinder 182 pushes the backrest 230 out of the opening slot 110, and the wheelchair part 200 is moved out along the opening end of the opening slot 110.

[0089] In some embodiments, referring to Figure 1 、 Figure 2 and Figure 3The second leg plate 143 is provided with a limiting slot, the leg support assembly 160 is installed in the limiting slot, the first support plate 161 is hinged to the limiting slot away from the second support plate 162, and the second support plate 162 is slidingly connected to the limiting slot away from the first support plate 161. The middle part of the leg support assembly 160 is convex, the patient's leg is placed on the leg support assembly 160, the knee of the patient is lifted by the middle part of the leg support assembly 160, the knee of the patient is pressed downward, the first support plate 161 and the second support plate 162 are pressed, the position of the hinge between the first support plate 161 and the second leg plate 143 remains unchanged, the hinge between the first support plate 161 and the second support plate 162 is lowered, and the contact point between the second support plate 162 and the limiting slot moves away from the first support plate 161. The knee of the patient is lifted, the first support plate 161 and the second support plate 162 are rebounded under the action of the elastic hinge 163, the position of the hinge between the first support plate 161 and the second leg plate 143 remains unchanged, the hinge between the first support plate 161 and the second support plate 162 is raised, and the contact point between the second support plate 162 and the limiting slot moves towards the first support plate 161.

[0090] The second support plate 162 can be hinged to the limiting slot away from the first support plate 161, and the first support plate 161 can be slidingly connected to the limiting slot away from the second support plate 162.

[0091] In some embodiments, referring to Figure 1 , Figure 2 and Figure 3 , the second leg plate 143 is provided with a first locking assembly in the middle part, and the first locking assembly comprises a first micro telescopic rod. The leg support assembly 160 is provided with a first lock slot, and one end of the first locking assembly is detachably inserted into the first lock slot. The first lock slot is arranged on the side wall of the first support plate 161 or the second support plate 162. The first locking assembly is arranged so that in the initial state of the leg support assembly 160, the first support plate 161 and the second support plate 162 are accommodated in the limiting slot, the plate surfaces of the first support plate 161 and the second support plate 162 are flush, and the patient can conveniently place the leg on the leg support assembly 160.

[0092] In some embodiments, referring to Figure 1 , Figure 2 and Figure 3 , the second leg plate 143 is provided with a second locking assembly 1431 away from one end of the first side plate 142, the first leg plate 210 is provided with a second lock slot, and one end of the second locking assembly 1431 is detachably inserted into the second lock slot. The second locking assembly 1431 comprises a second micro telescopic rod. The second locking assembly 1431 is arranged so that the first leg plate 210 can be limited between the two second leg plates 143 in the combined state, sufficient support force is provided for the first leg plate 210, and the first leg plate 210 can conveniently support the patient's leg.

[0093] In some embodiments, referring to Figure 1 , Figure 2 and Figure 3 , the backrest 230 is provided with a plurality of massage heads 2313 protruding therefrom for facilitating massage, the upper limb exercise assembly 240 drives the backrest 230 to move through the transmission assembly 260, and the backrest 230 drives the massage heads 2313 to massage the back of the patient. The chair seat 220 is provided with a bedpan 222 for facilitating defecation, and the bedpan 222 is arranged on the chair seat 220 to facilitate the patient to defecate on the medical care wheelchair bed. The first support wheel 223 is rotatably connected below the chair seat 220, and the second support wheel 212 is arranged at the end of the first leg plate 210 away from the chair seat 220, and the first support wheel 223 and the second support wheel 212 are arranged to facilitate the movement of the wheelchair part 200.

[0094] In some embodiments, referring to Figure 1 , Figure 2 and Figure 3 Figure 1 Figure 2 Figure 3 , the upper support 120 is provided with a push rod 124 and two guardrails 123, the push rod 124 is arranged in the width direction of the bed body part 100, and the two guardrails 123 are located on both sides of the width direction of the bed body part 100. The lower end of the lower support 130 is provided with a plurality of casters 131, and the medical care wheelchair bed is moved by pushing the push rod 124. The lower support 130 is provided with a protective shell 132, and the inside of the protective shell 132 is hollow. The protective shell 132 can protect the lifting assembly 150, the lateral tilting assembly 170 and the back lifting assembly 180, and reduce the entry of dust and liquid.

[0095] The working principle of the medical care wheelchair bed in the combined state and the split state of the embodiments of the present application:

[0096] Combined state to split state: the lifting assembly 150 is lowered to the lowest point, the first support wheel 223 contacts the ground, and the back lifting assembly 180 works; the first back lifting telescopic rod 183 is elongated to the longest, the pop-up cylinder 182 pushes the backrest 230 out of the open slot 110; the backrest 230 continues to fold, the spring 233 pushes the gear to move downward, the hinge of the connecting upper rod 2321 and the connecting lower rod 2322 is clamped into the connecting hole 221, the upper limit surface 2311 on the back plate 231 abuts against the upper end surface of the chair seat 220, and the worm gear 265 engages the worm 264; the second locking assembly 1431 retreats, the first leg plate 210 is folded downward until the second support wheel 212 contacts the ground; the connecting plate 251 is turned out of the storage hole 211, the footboard 253 is unfolded, and the wheelchair part 200 is moved out along the opening direction of the open slot 110.

[0097] Split state to the combined state: wheelchair 200 along the opening direction of the opening slot 110 into the footboard 253 folding on the turntable 252 connecting plate 251 stored to the storage hole 211; lifting the backrest 230, the worm gear 265 and the worm 264 staggered, gear extrusion spring 233, the hinge of the connecting upper rod 2321 and the connecting lower rod 2322 extends the connecting hole 221, the backrest 230 is bent, and the backrest 230 is clamped into the opening slot 110; pull the first leg plate 210 away from the end of the chair seat 220, the second locking assembly 1431 locks the first leg plate 210 between the two second leg plates 143.

[0098] The working principle of the medical and nursing wheelchair bed in the combined state of the embodiment of the application is as follows:

[0099] Side turning: the side push telescopic rod 172 is extended, the hinge point of the side push rod 171 and the side push telescopic rod 172 rotates upward around the hinge point of the side push rod 171 and the vertical beam 121, the side push rod 171 is extended into the avoidance slot 1421 to push the second side plate 144, the side push rod 171 pushes the second side plate 144 to rotate around the length direction of the bed body 100, and the patient is caused to turn over; the side push telescopic rod 172 is retracted, the side push rod 171 is reset, and the second side plate 144 is reset.

[0100] Back lifting: the two first back lifting telescopic rods 183 are extended, the supporting rod 181 is pushed to move upward, the supporting rod 181 pushes the two first side plates 142 and the backrest 230 to lift upward, at the same time, the two second back lifting telescopic rods 184 are shortened, the first side plate 142 is pulled to sink close to the end of the second leg plate 143, and then the first side plate 142 and the backrest 230 are caused to tilt, and the back lifting is realized; the first back lifting telescopic rod 183 is retracted, the second back lifting telescopic rod 184 is extended, the first side plate 142 and the backrest 230 are reset.

[0101] Lifting: the plurality of electric telescopic rods 151 are simultaneously extended or shortened, the upper support 120 is caused to ascend or descend, and the head plate 141, the two first side plates 142, the two second leg plates 143, the first leg plate 210, the chair seat 220 and the backrest 230 located on the upper support 120 are caused to ascend or descend.

[0102] Leg pressing type support: the patient presses the knee downward, the first support plate 161 and the second support plate 162 are caused to move downward, the patient bends the leg, the knee is lifted upward, the elastic hinge 163 causes the hinge of the first support plate 161 and the second support plate 162 to lift upward, and the force exerted by the patient on the bent leg is reduced.

[0103] The working principle of the medical and nursing wheelchair bed in the split state of the embodiment of the application is as follows:

[0104] Upper limbs exercise: rotate the hand wheel 241, drive the first gear 261 to rotate, drive the second gear 262 to rotate, drive the third gear 263 to rotate, drive the worm 264 to rotate, drive the worm wheel 265 to rotate, drive the driving gear 234 to rotate, drive the driven gear 235 to rotate, drive the two connecting rods 232 to rotate, drive the two back plates 231 to open and close at the same time, and the massage heads 2313 on the back plates 231 massage the back of the patient.

[0105] Lower limbs exercise: when the left foot steps on one foot pedal 253 to descend, the other foot pedal 253 drives the right foot to rise, and when the descending foot pedal 253 reaches the lowest point, the rising foot pedal 253 reaches the highest point; the foot pedal 253 reaching the highest point facilitates the right foot to step down, and the foot pedal 253 reaching the lowest point drives the left foot to rise, so that the left and right feet are alternately stepped up and down to realize lower limbs exercise.

[0106] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0107] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A medical care wheelchair bed characterized by, The medical and nursing wheelchair bed comprises a bed body part, an open slot is arranged on the bed body part, a wheelchair part is detachably connected with the bed body part, the wheelchair part comprises a first leg plate, a seat and a backrest which are sequentially hinged, a lower limb exercise assembly is arranged on the first leg plate, an upper limb exercise assembly is arranged on the seat, a transmission assembly is further arranged on the wheelchair part, and the transmission assembly is connected with the upper limb exercise assembly. When the medical and nursing wheelchair bed is in a combined state, the first leg plate, the seat and the backrest are unfolded and clamped into the open slot; when the medical and nursing wheelchair bed is in a detached state, the first leg plate, the seat and the backrest are separated from the bed body part and are bent to form a wheelchair, the transmission assembly is connected with the backrest, and the upper limb exercise assembly can be controlled to drive the backrest to massage the back of a human body through the transmission assembly. The seat is provided with a connecting hole, the backrest comprises a back plate, a connecting rod and a spring, the connecting rod is connected with the back plate, the connecting rod passes through the connecting hole, the connecting rod comprises a connecting upper rod and a connecting lower rod which are hinged, an upper limiting surface is arranged on the connecting upper rod, a lower limiting surface is arranged on the connecting lower rod, the spring is sleeved on the connecting lower rod, and the two ends of the spring are respectively abutted against the lower limiting surface and the seat. When the medical and nursing wheelchair bed is in the combined state, the connecting upper rod protrudes from the connecting hole, and the connecting upper rod and the connecting lower rod are in a bent state; when the medical and nursing wheelchair bed is in the detached state, the upper limiting surface abuts against the seat, the hinged part of the connecting upper rod and the connecting lower rod is located in the connecting hole, and the connecting upper rod and the connecting lower rod are coaxial. The upper limb exercise assembly comprises a hand wheel, the hand wheel is rotationally connected to the seat, the transmission assembly comprises a first gear, a second gear, a third gear, a worm and a worm wheel, the first gear is connected to the hand wheel, the second gear is engaged with the first gear and the third gear respectively, the third gear is connected to the worm, and the worm wheel is connected to the connecting lower rod; when the medical and nursing wheelchair bed is in the detached state, the worm is engaged with the worm wheel. The back plate is provided with two back plates, the connecting rod is provided with two connecting rods, the two back plates are respectively connected with the two connecting upper rods, the connecting lower rod connected with the worm wheel is provided with a driving gear, and the other connecting lower rod is provided with a driven gear; the driven gear is engaged with the driving gear.

2. The medical care wheelchair bed according to claim 1, characterized by The lower limb exercise assembly comprises a connecting plate, a rotating shaft, two rotating discs and two foot pedals, the connecting plate is connected to the first leg plate, the connecting plate is provided with a rotating hole, the rotating shaft passes through the rotating hole, the two ends of the rotating shaft are respectively connected to the centers of the two rotating discs, the two foot pedals are respectively connected to the eccentric positions of the two rotating discs, and the line connecting the two foot pedals to the centers of the corresponding two rotating discs is Z-shaped with respect to the line connecting the centers of the two rotating discs.

3. The medical-nursing wheelchair bed according to claim 2, characterized in that, ​ 4. The medical-nursing wheelchair bed according to claim 1, characterized by ​ 5. The medical-nursing wheelchair bed according to claim 4, characterized in that, The first leg plate is provided with a receiving hole, the connecting plate is rotationally connected in the receiving hole, eccentric positions on opposite sides of the connecting plate are provided with accommodating grooves, the rotating disc is located in the accommodating grooves, the rotating hole is communicated with the two accommodating grooves, and the foot plate is foldably connected to the rotating disc. When the medical and nursing wheelchair bed is in the combined state, the connecting plate is received in the receiving hole, and the foot plate is folded and abuts against the rotating disc; when the medical and nursing wheelchair bed is in the split state, the plate surface of the connecting plate is crossed with the plate surface of the first leg plate, the rotating disc is located in front of the first leg plate, and the foot plate is unfolded.

6. The medical-nursing wheelchair-bed according to claim 1, characterized by The bed body part comprises an upper support, a lower support, a head plate, two first side plates and two second leg plates, a lifting assembly is arranged between the upper support and the lower support, the head plate, the two first side plates and the two second leg plates are located on the upper support, the two first side plates are located on opposite sides of the head plate, the second leg plates are located at ends of the first side plates away from the head plate, the head plate, the two first side plates and the two second leg plates are arranged in a U shape, and a space enclosed by the head plate, the two first side plates and the two second leg plates forms the open groove.

7. The medical-nursing wheelchair-bed according to claim 6, characterized in that The second leg plate is provided with a leg support assembly, the leg support assembly comprises a first support plate, a second support plate and an elastic hinge, the first support plate and the second support plate are hinged through the elastic hinge, the hinged part of the first support plate and the second support plate protrudes away from the upper support, and the elastic hinge is used to realize automatic rebounding of the first support plate and the second support plate after pressing.

8. The medical-nursing wheelchair bed according to claim 6, characterized in that, The bed body part further comprises two second side plates, the second side plates are located above the first side plates, the two second side plates are hinged at opposite ends of the head plate, the upper support comprises a vertical beam located in the middle of the bed body part and arranged along the height direction of the bed body part, the upper support is provided with two side turning assemblies, the side turning assembly comprises a side pushing rod and a side pushing telescopic rod, the side pushing rod is arranged along the width direction of the bed body part, one end of the side pushing rod is hinged with the upper end of the vertical beam, the other end of the side pushing rod supports the second side plate and is hinged with one end of the side pushing telescopic rod, the other end of the side pushing telescopic rod is hinged with the lower end of the vertical beam, and the first side plate is provided with an avoiding groove for the side pushing rod to extend into.

9. The medical-nursing wheelchair bed according to claim 6, characterized in that, The upper support includes a cross beam arranged along the width direction of the bed body part, the cross beam is arranged in the height direction of the bed body part with the first side plate, the cross beam is provided with a back lifting assembly, the back lifting assembly includes a support rod, a pop-up air cylinder, two first back lifting telescopic rods and two second back lifting telescopic rods, the support rod is arranged along the width direction of the bed body part, the support rod is supported at the middle part below the two first side plates, one end of the two first back lifting telescopic rods is connected with the cross beam, the other end of the two first back lifting telescopic rods is connected with the two ends of the support rod respectively, one end of the two second back lifting telescopic rods is connected with the cross beam, the other end of the second back lifting telescopic rod is connected with the first side plate close to one end of the second leg plate, when the medical care wheelchair bed is in the combined state, the support rod is supported below the backrest, the pop-up air cylinder is supported below the backrest, and the pop-up air cylinder is used for popping out the backrest from the opening slot.

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