A flexible turning multifunctional nursing wheelchair bed

Abstract

The present invention belongs to the technical field of rehabilitation medical equipment, and specifically relates to a flexible turning multifunctional nursing wheelchair bed, comprising a nursing bed, a turning mechanism and a wheelchair; the wheelchair comprises a wheelchair chassis, a seat frame, a backrest frame and a leg frame; bosses are fixedly installed on the left and right sides of the backrest frame and / or the seat frame and / or the leg frame, and the inner sides of the bed frame plates of the bed frames on the left and right sides are provided with limit blocks corresponding to the bosses, and the limit blocks comprise a U-shaped frame for accommodating a square bed frame plate, a waist-shaped hole arranged on the wall outside the U-shaped frame, and a limit groove arranged on the inner side of the U-shaped frame; the bed frame plate is provided with a threaded hole corresponding to the waist-shaped hole, and a fixing bolt is inserted into the waist-shaped hole and connected with the threaded hole, and the limit block is fixed to the bed frame plate by adjusting the adjusting nut threadedly connected to the fixing bolt. The wheelchair of the present invention can be quickly docked with the nursing bed through the boss and the limit block, and the wheelchair can be used for both sitting and lying, and the patient can be turned over by the turning mechanism.

Description

Technical Field

[0001] The invention belongs to the technical field of rehabilitation medical equipment, and in particular relates to a flexible turning multifunctional nursing wheelchair bed. Background Art

[0002] Long-term bed rest will put pressure on the patient's back, buttocks and back of the legs, causing blood blockage in a certain area, resulting in insufficient blood supply. In mild cases, the skin will become cyanotic. In severe cases, it will lead to malnutrition, respiratory impairment, skin necrosis, and bedsores. Bedsores will further aggravate the patient's pain and cause wound infection. Generally, the patient needs to be turned over manually from time to time. In the process of turning the patient over, it is inevitable that the wound will be touched or indirectly torn. In addition, when the patient needs to go out for activities, the traditional method is to manually transfer the patient to a wheelchair. Lifting the patient is time-consuming and laborious and it is easy to touch or tear the wound, causing harm to the patient. Summary of the invention

[0003] The purpose of the present invention is to overcome the defect in the prior art that manually lifting a patient may easily touch or tear the wound, causing harm to the patient, and to provide a flexible turning multifunctional nursing wheelchair bed that can realize the patient's safe, comfortable and automatic turning over and meet the patient's travel needs, and the wheelchair and bed frame can be quickly connected.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A flexible turning multifunctional nursing wheelchair bed, characterized in that it comprises a nursing bed, a turning mechanism and a wheelchair arranged on both sides of the nursing bed; the nursing bed comprises a bed frame with an opening at the rear end, the wheelchair comprises a wheelchair base frame, a seat frame fixedly mounted on the wheelchair base frame, a backrest frame rotatably connected to the seat frame, and a leg frame rotatably connected to the seat frame; bosses are fixedly mounted on the left and right sides of the backrest frame and / or the seat frame and / or the leg frame, and the inner sides of the bed frame boards of the bed frames on the left and right sides are both provided with limit blocks corresponding to the bosses, the limit blocks comprise a U-shaped frame for accommodating a square bed frame board, a waist-shaped hole arranged on the wall outside the U-shaped frame, and a limit groove arranged on the inner side of the U-shaped frame and adapted to the bosses; the width of the U-shaped frame is greater than the width of the square bed frame board, the bed frame board has a threaded hole corresponding to the waist-shaped hole, a fixing bolt penetrates into the waist-shaped hole and is connected to the threaded hole, and the limit block is fixed to the bed frame board by adjusting an adjusting nut threadedly connected to the fixing bolt.

[0006] Furthermore, wheels are installed at the four corners of the wheelchair chassis, and two rear wheel support wheels are arranged behind the rear wheels. The rear wheel support wheels are installed on the wheelchair chassis and the seat frame through connecting rods.

[0007] Furthermore, the turning mechanism includes a first sleeve fixedly mounted on the outside of the bed frame, a turning lower bracket connected to the first sleeve via a spring clip, a turning upper bracket mounted on the turning lower bracket via a spring clip, and a roller motor mounted on the turning upper bracket, and both ends of a flexible turning belt are respectively wound on the roller motors on both sides.

[0008] Furthermore, the flip-up bracket includes a first connecting rod and a second connecting rod parallel to each other, the first connecting rod and the second connecting rod are connected by an arc rod, and the first connecting rod is connected to the first sleeve by a spring buckle; the flip-up bracket includes two V-shaped rods parallel to each other, one end of the two V-shaped rods is connected by a handrail rod, the roller motor is connected to the other end of the two V-shaped rods, and a second sleeve is installed opposite to each other in the middle of the two V-shaped rods, the second connecting rod is connected to the second sleeve by a spring buckle, and the first sleeve and the second sleeve are both provided with a reset tube, and the spring buckle can position or release the first connecting rod or the second connecting rod by sliding the reset tube.

[0009] Furthermore, the flexible turning belt comprises a special belt and a bed sheet attached to the special belt by Velcro.

[0010] Furthermore, the seat frame and the backrest frame are connected via a back folding mechanism, which includes an angle adjustment motor, an angle adjustment shaft coaxially connected to the output shaft of the angle adjustment motor, a seat angle adjustment sleeve installed on the seat frame, a backrest angle adjustment sleeve installed on the backrest frame, and an angle adjuster core component arranged between the backrest angle adjustment sleeve and the seat angle adjustment sleeve, wherein the angle adjuster core component is fixedly connected to the angle adjustment shaft.

[0011] Furthermore, at least one boss is installed on the left and right sides of the backrest frame and the seat frame.

[0012] Furthermore, wheels are installed at the four corners of the bottom of the wheelchair chassis, the two front wheels are universal wheels, and the rear wheel motor is connected to the rear wheel through a worm gear reducer.

[0013] The beneficial effects of the flexible turning multifunctional nursing wheelchair bed of the present invention are:

[0014] 1. The wheelchair can be pushed out separately to meet the needs of patients to go out. At the same time, the wheelchair can be changed into the posture of a bed and docked with the bed frame, so it can be used for sitting or lying down. The patient does not need to be carried by manpower to avoid touching the patient's wound and causing secondary injury to the patient.

[0015] 2. The limit block is set to a connection method that can be moved in a small range, so that the connection between the boss and the limit block is more flexible. The wheelchair will not get stuck when pushed into the bed frame in a lying state. The wheelchair can even be limited by adjusting the limit block after being fully pushed in.

[0016] 3. The turning mechanism on both sides of the bed frame can drive the patient lying on the flexible turning belt to move. The caregiver only needs to use very little force to help the patient turn over automatically. Anyway, the process is slow and comfortable. There is no need for manual hugging and turning, and it will not cause damage to the patient's wounds.

[0017] 4. The sheet on the flexible turning belt can be removed for easy replacement and washing, protecting the special belt from contamination. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0019] Figure 1 It is an overall structural diagram of an embodiment of the present invention;

[0020] Figure 2 It is a structural diagram of the default parts of the embodiment of the present invention;

[0021] Figure 3 This is a three-dimensional diagram of a turning mechanism according to an embodiment of the present invention;

[0022] Figure 4 This is a diagram of the connection between a nursing bed and a wheelchair according to an embodiment of the present invention;

[0023] Figure 5 It is a three-dimensional diagram of a limit block of an embodiment of the invention;

[0024] Figure 6 is a structural diagram of a wheelchair according to an embodiment of the present invention;

[0025] Figure 7 is a three-dimensional diagram of a back folding mechanism according to an embodiment of the present invention;

[0026] Figure 8 It is a structural diagram of the wheelchair in a lying position according to an embodiment of the present invention.

[0027] In the figure: 11, bed frame, 12, square bed frame board, 13, bed head, 21, first sleeve, 22, spring buckle, 23, turning lower bracket, 231, V-shaped rod, 232, handrail rod, 233, second sleeve, 24, turning upper bracket, 241, first connecting rod, 242, second connecting rod, 25, drum motor, 26, flexible turning belt, 27, reset tube, 30, fixing bolt, 31, wheelchair base, 32, seat frame, 33 , backrest frame, 34, leg frame, 35, boss, 36, limit block, 361, U-shaped frame, 362, waist-shaped hole, 363, limit slot, 37, adjustment nut, 38, rear wheel, 39, front wheel, 40, rear wheel support wheel, 41, connecting rod, 42, angle adjustment motor, 43, angle adjustment shaft, 44, seat angle adjustment sleeve, 45, backrest angle adjustment sleeve, 46, angle adjuster core component, 47, leg push rod, 48, wheelchair armrest, 49, rear wheel motor. DETAILED DESCRIPTION

[0028] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0029] like Figure 1-Figure 8 The specific embodiment of the flexible turning multifunctional nursing wheelchair bed of the present invention shown includes a nursing bed, a turning mechanism and a wheelchair arranged on both sides of the nursing bed. The wheelchair can be pushed into the bed frame 11 of the nursing bed and docked with the bed frame 11 to achieve dual use of the wheelchair and the bed.

[0030] See also Figure 1 and Figure 2 The nursing bed comprises a bed head 13 at the front end and a bed frame 11 with an opening at the rear end, and a wheelchair can be pushed into the bed frame 11. A turning mechanism is arranged on both sides of the bed frame 11.

[0031] See also Figure 1-Figure 3The turning mechanism includes a first sleeve 21 fixedly mounted on the outside of the bed frame 11, a turning lower bracket 23 connected to the first sleeve 21 through a spring buckle 22, a turning upper bracket 24 mounted on the turning lower bracket 23 through the spring buckle 22, and a roller motor 25 mounted on the turning upper bracket 24. The turning upper bracket 24 includes a first connecting rod 241 and a second connecting rod 242 parallel to each other, the first connecting rod 241 and the second connecting rod 242 are connected by an arc rod, wherein the first connecting rod 241 is connected to the first sleeve 21 through the spring buckle 22. The turning-over bracket 24 includes two V-shaped rods 231 parallel to each other, one end of the two V-shaped rods 231 is connected by a handrail rod 232, and the drum motor 25 is connected to the other end of the two V-shaped rods 231. A second sleeve 233 is installed opposite to each other in the middle of the two V-shaped rods 231, and the second connecting rod 242 is connected to the second sleeve 233 through a spring buckle 22, and a reset tube 27 is sleeved on the first sleeve 21 and the second sleeve 233. By sliding the reset tube 27, the spring buckle 22 can position or release the first connecting rod 241 or the second connecting rod 242. The self-locking device spring buckle 22 is a spring pin installed on the first connecting rod 41 and the second connecting rod 242. The first sleeve 21 and the second sleeve 233 have multiple positioning holes. When the spring pin pops out from the positioning hole, positioning self-locking is achieved. When the angle of the first connecting rod 241 or the second connecting rod 242 needs to be adjusted, it is only necessary to slide the reset tube 27, squeeze the spring pin into the first sleeve 21 or the second sleeve 233, and rotate the first connecting rod 241 or the second connecting rod 242.

[0032] Both ends of the flexible turning belt 26 are wound on the two roller motors 25. When the patient needs to be turned over, the roller motor 25 on one side is adjusted to a high position, and the roller motor 25 on the other side is adjusted to a low position. The handrail connecting rod 41 on the side of the low roller motor 25 is just used as a guardrail to protect the patient. Of course, it is very stable during the turning process, and the patient basically does not touch the handrail connecting rod 41. The roller motor 25 drives the patient lying on the flexible turning belt 26 to move, so that the left and right sides of the patient's body are in an inclined position. At this time, the nursing staff only needs to gently turn the patient to complete the turning process. Then adjust the roller motor 25 to reset the two roller motors 25.

[0033] The flexible belt for turning over adopts a detachable belt, which is divided into two layers. One layer is a special belt, and the other layer is a bed sheet with Velcro on the back. The bed sheet can be attached to the special belt through Velcro. When the turning over is completed, you only need to tear the bed sheet under the patient and the special belt apart. This way, it can be used as a bed sheet without hindering the wheelchair from being driven out. It is also convenient to change and wash without causing pollution to the special belt.

[0034] See also Figure 6-Figure 8The wheelchair comprises: a wheelchair chassis 31, a seat frame fixedly mounted on the wheelchair chassis 31, a backrest frame 33 rotatably connected to the seat frame 32, and a leg frame 34 actively connected to the seat frame 32. The seat frame 32 and the backrest frame 33 are connected via a back folding mechanism, which comprises an angle adjustment motor 42, an angle adjustment shaft 43 coaxially connected to the output shaft of the angle adjustment motor 42, a seat angle adjustment sleeve 44 mounted on the seat frame 32, a backrest angle adjustment sleeve 45 mounted on the backrest frame 33, and a recliner core 46 disposed between the backrest angle adjustment sleeve 45 and the seat angle adjustment sleeve 44, wherein the recliner core 46 is fixedly connected to the angle adjustment shaft 43.

[0035] The angle between the leg frame 34 and the seat frame 32 is achieved by the leg push rod 47. The fixed end of the leg push rod 47 is installed on the wheelchair base 31, and the telescopic end is installed on the leg frame 34 through a push rod connector. The angle of the leg frame 34 is adjusted by telescoping the leg push rod 47.

[0036] The back frame, the seat frame 32 and the leg frame 34 are all covered with sponge pads or other materials that allow people to sit comfortably.

[0037] Wheels are installed at the four corners of the bottom of the wheelchair chassis 31. The front wheel 39 is a universal wheel. The rear wheel 38 is driven by a rear wheel motor 49. The rear wheel motor 49 is connected to the rear wheel 38 through a worm gear reducer to drive the movement of the entire wheelchair. The rear wheel motor 49 provides power for the rear wheel 38 and can control the movement direction of the wheelchair through the front wheel 39.

[0038] In order to prevent the patient from lying on the wheelchair and causing the center to move backward and cause the wheelchair to tip over, two rear wheel support wheels 40 are arranged behind the rear wheel 38, and the rear wheel support wheels 40 are installed on the wheelchair frame 31 and the seat frame 32 through connecting rods 41.

[0039] A rotatable wheelchair armrest 48 is installed on the outer side of the seat frame 32. When the wheelchair is used in a sitting position, the wheelchair armrest 48 can be fixed in a more comfortable position to prevent the patient from falling from the side of the wheelchair; when the wheelchair is used as a bed, the wheelchair armrest 48 is rotated downward and hidden on the side of the wheelchair so as not to hinder the docking of the wheelchair with the bed frame 11.

[0040] See also Figure 4 and Figure 5Two bosses 35 are fixedly installed on the left and right sides of the backrest frame 33, and two limit blocks 36 are arranged on the inner sides of the left and right bed frames 11. The limit blocks 36 include a U-shaped frame 361 for accommodating the square bed frame board 12, a waist-shaped hole 362 arranged on the wall outside the U-shaped frame 361, and a limit groove 363 arranged on the inner side of the U-shaped frame 361 and adapted to the boss 35. The width of the U-shaped frame 361 is greater than the width of the square bed frame board 12, so that the limit blocks 36 can be adjusted left and right within a small range to match the boss 35. The bed frame 11 board has a threaded hole corresponding to the waist-shaped hole 362, and the fixing bolt 30 is connected to the threaded hole by passing through the waist-shaped hole 362, and the limit block 36 is fixed to the bed frame 11 board by adjusting the adjusting nut 367 on the fixing bolt 30.

[0041] The specific working process of the wheelchair and the bed frame 11 docking is:

[0042] Adjust the wheelchair to the lying position mode, loosen the adjusting nut 367 to make the limit block 36 loose, push the wheelchair in the lying position mode into the bed frame 11, manually insert the boss 35 into the limit groove 363, and then continue to push the wheelchair steadily until the backrest abuts against the head of the bed 13, and then tighten the bolt and the adjusting nut 367 to fix the limit block 36 and limit the wheelchair. At the same time, when pushing the wheelchair in the lying position, the limit block 36 on the left side can be adjusted to the leftmost position, and the limit block 36 on the right side can be adjusted to the rightmost position. There is a little gap on both sides of the wheelchair, which can be easily pushed into the bed frame 11. After the wheelchair is pushed into place and adjusted, the limit block 36 is adjusted to make the boss 35 inserted into the limit groove 363 to position the wheelchair.

[0043] Specifically, when the patient needs to be turned over, the height of the roller motors 25 on both sides is adjusted, and the roller motor 25 on one side is driven to rotate, so as to drive the turning flexible belt to rotate, and then drive the patient's body position to tilt, so as to realize the turning of the patient. When the patient needs to go out, the bolts and the adjusting nuts 367 are loosened to disengage the boss 35 from the limit block 36, the lying wheelchair is pushed out, and then the wheelchair is adjusted to a sitting position, so that the patient can be taken out.

[0044] It should be understood that the specific embodiments described above are only used to explain the present invention, and are not used to limit the present invention. Obvious changes or modifications derived from the spirit of the present invention are still within the protection scope of the present invention.

Claims

1. A flexible turning multifunctional nursing wheelchair bed, characterized in that: The invention comprises a nursing bed, a turning mechanism and a wheelchair arranged on both sides of the nursing bed; the nursing bed comprises a bed frame (11) with an opening at the rear end; the wheelchair comprises a wheelchair base frame (31), a seat frame (32) fixedly mounted on the wheelchair base frame (31), a backrest frame (33) rotatably connected to the seat frame (32); and a leg frame (34) rotatably connected to the seat frame (32); bosses (35) are fixedly mounted on the left and right sides of the backrest frame (33) and / or the seat frame (32) and / or the leg frame (34); and the inner sides of the bed frame (11) plates of the bed frames (11) on the left and right sides are both provided with limit blocks (36) corresponding to the bosses (35). The limiting block (36) comprises a U-shaped frame (361) for accommodating a square bed frame board (12), a waist-shaped hole (362) arranged on the outer wall of the U-shaped frame (361), and a limiting groove (363) arranged on the inner side of the U-shaped frame (361) and adapted to the boss (35); the width of the U-shaped frame (361) is greater than the width of the square bed frame board (12); a threaded hole corresponding to the waist-shaped hole (362) is provided on the bed frame (11) board; a fixing bolt (30) is inserted into the waist-shaped hole (362) and connected to the threaded hole; and the limiting block (36) is fixed to the bed frame (11) board by adjusting an adjusting nut (367) threadedly connected to the fixing bolt (30).

2. The flexible turning multifunctional nursing wheelchair bed according to claim 1, characterized in that: Wheels are installed at the four corners of the wheelchair chassis (31), and two rear wheel support wheels (40) are arranged behind the rear wheels (38). The rear wheel support wheels (40) are installed on the wheelchair chassis (31) and the seat frame (32) via connecting rods (41).

3. The flexible turning multifunctional nursing wheelchair bed according to claim 1, characterized in that: The turning mechanism comprises a first sleeve (21) fixedly mounted on the outside of the bed frame (11), a turning lower bracket (23) connected to the inside of the first sleeve (21) via a spring buckle (22), a turning upper bracket (24) mounted on the turning lower bracket (23) via a spring buckle (22), and a roller motor (25) mounted on the turning upper bracket (24), and two ends of a flexible turning belt (26) are respectively wound on the roller motors (25) on both sides.

4. The flexible turning multifunctional nursing wheelchair bed according to claim 3 is characterized in that: The turning-over bracket (24) comprises a first connecting rod (241) and a second connecting rod (242) which are parallel to each other. The first connecting rod (241) and the second connecting rod (242) are connected via an arc rod. The first connecting rod (241) is connected to the first sleeve (21) via a spring buckle (22). The turning-over bracket (24) comprises two V-shaped rods (231) which are parallel to each other. One end of the two V-shaped rods (231) is connected via a handrail rod (232). The drum motor (25 ) is connected to the other end of the two V-shaped rods (231), a second sleeve (233) is installed in the middle of the two V-shaped rods (231) opposite to each other, the second connecting rod (242) is connected to the inside of the second sleeve (233) through a spring buckle (22), and a reset tube (27) is sleeved on the first sleeve (21) and the second sleeve (233), and by sliding the reset tube (27), the spring buckle (22) can position or release the first connecting rod (241) or the second connecting rod (242).

5. The flexible turning multifunctional nursing wheelchair bed according to claim 3 is characterized in that: The flexible turning belt (26) comprises a special belt and a bed sheet adhered to the special belt by Velcro.

6. The flexible turning multifunctional nursing wheelchair bed according to claim 1, characterized in that: The seat frame (32) and the backrest frame (33) are connected via a back folding mechanism, wherein the back folding mechanism comprises an angle adjustment motor (42), an angle adjustment shaft (43) coaxially connected to an output shaft of the angle adjustment motor (42), a seat angle adjustment sleeve (44) mounted on the seat frame (32), a backrest angle adjustment sleeve (45) mounted on the backrest frame (33), and an angle adjuster core component (46) arranged between the backrest angle adjustment sleeve (45) and the seat angle adjustment sleeve (44), wherein the angle adjuster core component (46) is fixedly connected to the angle adjustment shaft (43).

7. The flexible turning multifunctional nursing wheelchair bed according to claim 1, characterized in that: At least one boss (35) is installed on the left and right sides of the backrest frame (33) and the seat frame (32).

8. The flexible turning multifunctional nursing wheelchair bed according to claim 1, characterized in that: Wheels are installed at the four corners of the bottom of the wheelchair chassis (31); the two front wheels (39) are universal wheels; and the rear wheel motor (49) is connected to the rear wheel (38) via a worm gear reducer.

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