Nursing wheelchair for old people

Abstract

The utility model relates to the technical field of wheelchairs and discloses a nursing wheelchair for old people, which comprises a movable base, and a lifting mechanism is mounted on the upper portion of the movable base and comprises an adjusting component and a surrounding component. The surrounding assembly comprises a fixed backrest, a bearing sleeve, a rotating arm, a rotating ring, a driving shaft, a servo motor and an air cushion. The adjusting assembly comprises a supporting disc, a rotating disc, an adjusting base, a lifting base, an electric telescopic rod, a small air pump and a supporting rod. When the wheelchair is used, the wheelchair is moved to the bedside of an old person, the old person sits up, the height and the direction of the surrounding assembly are adjusted through the adjusting assembly, the old person is surrounded by the rotating arm, the air cushion is inflated to be attached to the waist of the old person, then the old person is upwards held through the adjusting assembly, the cushion plate stretches out, the old person sits on the cushion plate, the surrounding assembly is lifted to the proper height, and the wheelchair is moved. The bed is convenient to operate, stable, safe and capable of relieving the working intensity of nursing staff and assisting the old with mobility difficulty in switching between the bed and the wheelchair.

Description

Technical Field

[0001] The utility model relates to the technical field of wheelchairs, in particular to a nursing wheelchair for the elderly. Background Art

[0002] Elderly nursing wheelchairs are mainly used to help elderly people with limited mobility to move around, expand their range of activities, and enable them to participate in daily life more conveniently, such as shopping, socializing, etc. For elderly people who need rehabilitation training, wheelchairs can be used as auxiliary tools.

[0003] It is used for the elderly who have difficulty in moving and living, and there is a lack of an effective bridge between the wheelchair and the bed. It requires manpower to carry the patient from the wheelchair to the bed, which is not only time-consuming and labor-intensive, but also often causes secondary injuries due to friction and collision during the transfer process.

[0004] According to the "Anti-dumping Multifunctional Transfer Nursing Cart" proposed in CN214511563U, the multifunctional transfer nursing car is provided with "the support mechanism includes a first support body and a second support body, the first support body and the second support body are movably matched, and the first support body and the second support body can be combined into a flat state and a seat state by at least adjusting the angle between the first support body and the second support body." Although the multifunctional transfer nursing car can slowly move the elderly person from the nursing car to the bed in a lying state by combining the first support body and the second support body into a flat state, it requires the elderly person to move or the assistance of a caregiver;

[0005] However, there is still the problem of difficulty in transferring the elderly from one place to another, such as from bed to wheelchair or from wheelchair to bed.

[0006] Therefore, we propose a nursing wheelchair for the elderly to solve the problems in the above background. Utility Model Content

[0007] The utility model aims to provide a nursing wheelchair for the elderly, so as to solve the problem of difficulty in transferring the elderly from bed to wheelchair or from wheelchair to bed.

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0009] A nursing wheelchair for the elderly, comprising a mobile base, a lifting mechanism installed on the upper portion of the mobile base, and the lifting mechanism comprising an adjusting component and an embracing component;

[0010] The embracing assembly includes a fixed backrest, bearing sleeves are fixedly connected on both sides of the fixed backrest, and rotating arms are respectively provided on both sides of the fixed backrest. A swivel is fixedly connected to one end of the inner side of the swivel arm, a drive shaft is fixedly connected to the inside of the swivel, a servo motor is installed at the lower end of the drive shaft, and the bearing sleeve is sleeved on the outside of the drive shaft.

[0011] As a further solution of the present invention: an air cushion is fixedly connected to the inner side of the rotating arm, the air cushion is in contact with the rotating arm and the inner side of the backrest, and a pressure-sensitive sensor is installed inside the air cushion.

[0012] As a further solution of the present invention: the adjustment assembly includes a support disk, a rotating disk is rotatably connected inside the support disk, and an adjustment seat is fixedly connected to the upper part of the rotating disk.

[0013] As a further solution of the present invention: a lifting seat is slidably connected inside the adjustment seat, the bottom of the fixed backrest is fixedly connected to the upper part of the lifting seat, an electric telescopic rod is fixedly connected inside the rotating disk, and the telescopic end of the electric telescopic rod is fixedly connected to the bottom surface of the lifting seat.

[0014] As a further solution of the present invention: the servo motor is fixedly connected to the inside of the side of the lifting seat, and a small air pump is installed on the outside of the adjustment seat, and the small air pump is connected to the internal air path of the air cushion.

[0015] As a further solution of the present invention: a seat cushion is sleeved inside the lifting seat, a tooth groove is provided on the bottom surface of the seat cushion, a stepper motor is fixedly connected to the bottom of the lifting seat, a drive shaft of the stepper motor is fixedly connected to a drive gear, and the drive gear is engaged with the tooth groove on the bottom surface of the seat cushion.

[0016] As a further solution of the present invention: a support rod is fixedly connected to the bottom of the support plate, a lower end of the support rod is fixedly connected to the upper part of the movable base, and a locking assembly is provided on the outer side of the support plate.

[0017] As a further solution of the present invention: the locking assembly includes a threaded barrel, one end of which is fixedly connected to the inside of the support plate, the inside of the threaded barrel is threadedly connected to a threaded turning rod, and one end of the outer side of the threaded turning rod is fixedly connected to a turning handle.

[0018] As a further solution of the present invention: a foot pedal is installed at the front end of the mobile base, and a height adjustment rod is installed at the bottom of the foot pedal.

[0019] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0020] First, the utility model realizes embracing the elderly by rotating the rotating arm, and the inflation of the air cushion increases the friction, which is conducive to lifting the elderly upwards, improving the safety and comfort of the elderly. The stepper motor and the drive gear are used to realize the extension and retraction of the seat plate, which is convenient for the elderly to get on and off the wheelchair. The whole process does not require the caregiver to hold the elderly, which reduces the workload and is simple and convenient to operate. The device has a stable structure and can ensure the safety of the elderly during the movement. The height and direction can be adjusted according to the actual situation of the elderly to adapt to different usage scenarios.

[0021] Second, the utility model uses the design of the support plate and the rotating plate, so that the direction of the embracing component can be easily adjusted, which improves the flexibility of use. The electric telescopic rod can accurately adjust the height of the embracing component to meet the needs of different elderly people. The cooperation of the small air pump and the pressure-sensitive sensor realizes the precise control of the internal air pressure of the air cushion, ensuring the fit of the air cushion to the elderly's waist. The inclined design of the support rod increases the support surface at the bottom and improves the stability of the device. The rotating plate can be fixed by the locking assembly to prevent accidental rotation during use. The height adjustment rod can adjust the height of the footrest to adapt to the leg length of different elderly people. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the bottom structure of the utility model;

[0023] Figure 2 This is a side structural diagram of the present utility model;

[0024] Figure 3 This is a schematic diagram of the internal structure of the adjustment component of the present utility model;

[0025] Figure 4 This is a schematic diagram of the exploded structure of the rotating arm connection of the present invention.

[0026] Among them: 1. Mobile base; 2. Fixed backrest; 3. Bearing sleeve; 4. Rotating arm; 5. Swivel; 7. Servo motor; 9. Air cushion; 10. Support plate; 11. Rotating plate; 12. Adjustment seat; 13. Lifting seat; 14. Electric telescopic rod; 15. Small air pump; 16. Seat plate; 17. Tooth groove; 18. Stepper motor; 19. Drive gear; 20. Support rod; 21. Threaded barrel; 22. Threaded rotating rod; 23. Turning handle; 24. Foot pedal; 25. Height adjustment rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] Example 1:

[0029] See also Figure 1-4 , the utility model provides a technical solution:

[0030] A nursing wheelchair for the elderly comprises a mobile base 1, a lifting mechanism is mounted on the upper portion of the mobile base 1, and the lifting mechanism comprises an adjusting component and an embracing component;

[0031] The embracing assembly includes a fixed backrest 2, a pivoting arm 4 that cooperates with the fixed backrest, and a servo motor 7. Bearing sleeves 3 are fixedly connected to both sides of the fixed backrest 2. Two pivoting arms 4 are located on either side of the fixed backrest 2. A swivel 5 is fixedly connected to one end of the inner side of the pivoting arm 4. A drive shaft 6 is fixedly connected to the inner side of the swivel 5, and the bearing sleeve 3 is sleeved onto the outer side of the drive shaft 6. The servo motor 7 drives the drive shaft 6 to rotate, which in turn drives the pivoting arm 4 to rotate, thereby opening or closing the pivoting arms 4 on both sides.

[0032] An air cushion 9 is fixedly connected to the inner side of the rotating arm 4. The air cushion 9 fits the inner side of the rotating arm 4 and extends to the inner side of the backrest. A pressure-sensitive sensor is installed inside the air cushion 9. The air cushion 9 is inflated by an air pump. When the two rotating arms 4 cooperate with the fixed backrest 2 to hug the waist of the elderly, the air cushion 9 is inflated to fit the waist of the elderly, increasing the friction, which is conducive to lifting the elderly upward when the rotating arm 4 and the fixed backrest 2 rise.

[0033] A seat plate 16 is sleeved inside the lifting seat 13, and a tooth groove 17 is provided on the bottom surface of the seat plate 16. A stepper motor 18 is fixedly connected to the bottom of the lifting seat 13, and the drive shaft 6 of the stepper motor 18 is fixedly connected to a drive gear 19. The drive gear 19 is engaged with the tooth groove 17 on the bottom surface of the seat plate 16. The drive gear 19 is driven to rotate by the stepper motor 18, and the drive gear 19 is engaged with the tooth groove 17 on the bottom surface of the seat plate 16, so that the seat plate 16 can be extended and retracted inside the lifting seat 13.

[0034] When in use, the nursing wheelchair is moved to the bedside of the elderly person, the elderly person can sit up, and the height of the embracing component is adjusted by the adjusting component. The adjusting component can also adjust the direction of the embracing component, move the embracing component to the back of the elderly person, and then open the two rotating arms 4 of the embracing component outwards, and push the nursing wheelchair to make the fixed backrest 2 fit the elderly person's back, and then control the two rotating arms 4 to rotate and close. At this time, the two rotating arms 4 are in a state of hugging the elderly person, start the air pump to inflate the air cushion 9, and detect the pressure of the air cushion 9 through the pressure-sensitive sensor inside the air cushion 9. When the air cushion 9 fits the elderly person's waist, turn off the air pump, and the elderly person's two arms are placed on the air cushions 9 on both sides. The embracing component is pushed upward by the adjusting component. The old man is lifted up and the cushion plate 16 inside the lifting seat 13 is extended to discharge some of the gas inside the air cushion 9, so that the old man slowly descends on the cushion plate 16. The old man is in a sitting position at this time, and the embracing component is lifted again. When it is lifted to an appropriate height, the nursing wheelchair can be moved to completely lift the old man out of the bed, and then the height of the embracing component is lowered to an appropriate height, so that the old man's feet are placed on the foot pedals 24, and the nursing wheelchair can be used to move the old man. According to the above principle, the old man can also be moved from the nursing wheelchair to the bed. During the process, no one is required to lift the old man, which reduces the workload of the nursing staff. It is easy to operate, stable and safe, and can well assist the elderly with limited mobility to switch between the bed and the wheelchair.

[0035] The internal circuit connection of the pressure sensitive sensor is a known technology.

[0036] Example 2:

[0037] See also Figure 1-4 , and combined with Example 1, it is further obtained that the adjustment component includes a support plate 10, and a rotating plate 11 is rotatably connected inside the support plate 10. The rotating plate 11 is rotatably supported by the support plate 10, and an adjustment seat 12 is fixedly connected to the upper part of the rotating plate 11. The adjustment seat 12 can rotate with the rotating plate 11 to facilitate adjustment of the direction.

[0038] The adjusting seat 12 is slidably connected to the lifting seat 13, and the bottom of the fixed backrest 2 is fixedly connected to the upper part of the lifting seat 13, so that the adjusting seat 12 can adjust the support and adjustment of the surrounding component. The rotating disk 11 is fixedly connected to the electric telescopic rod 14, and the telescopic end of the electric telescopic rod 14 is fixedly connected to the bottom surface of the lifting seat 13.

[0039] The height of the lifting seat 13 is adjusted by pushing the electric telescopic rod 14, and the lifting seat 13 drives the surrounding components to be adjusted to an appropriate height for easy use;

[0040] The servo motor 7 is fixedly connected to the inside of the side of the lifting seat 13, and a small air pump 15 is installed on the outside of the adjustment seat 12. The small air pump 15 is connected to the internal air path of the air cushion 9. The inside of the air cushion 9 is inflated by the small air pump 15. The pressure-sensitive sensor is electrically connected to the control module. The control module can control the switch of the small air pump 15, thereby controlling the internal air pressure of the air cushion 9.

[0041] The bottom of the support plate 10 is fixedly connected to a support rod 20, and the lower end of the support rod 20 is fixedly connected to the upper part of the mobile base 1. There are four support rods 20, and the lower end is inclined outward to increase the support surface of the bottom, which is conducive to stable support of the support plate 10. A locking assembly is provided on the outside of the support plate 10.

[0042] The locking assembly includes a threaded barrel 21 , one end of which is fixedly connected to the interior of the support plate 10 , a threaded turning rod 22 is threadedly connected to the interior of the threaded barrel 21 , and a turning handle 23 is fixedly connected to the outer end of the threaded turning rod 22 .

[0043] The threaded rod 22 can be rotated by turning the handle 23, and the threaded rod 22 is matched with the internal thread of the threaded barrel 21, so that the threaded rod 22 can be rotated inward, so that the inner end of the threaded rod 22 is threadedly fitted with the surface of the support plate 10, and the rotating plate 11 is fixed relative to the support plate 10 and cannot be rotated. On the contrary, the rotating plate 11 can be rotated, thereby adjusting the direction of the encircling component.

[0044] A height adjustment rod 25 is installed at the front end of the mobile base 1, and a foot pedal 24 is installed at the upper end of the height adjustment rod 25. The height of the foot pedal 24 can be adjusted by the height adjustment rod 25. The height adjustment rod 25 is an electric telescopic rod 14 or a threaded telescopic rod.

[0045] The working principle of this utility model:

[0046] First, move the nursing wheelchair to the elderly's bedside and let the elderly sit up. Adjust the height of the embracing component by adjusting the component, and also adjust the direction of the embracing component to make it move to the elderly's back. Open the two rotating arms 4 of the embracing component outwards, push the nursing wheelchair, so that the fixed backrest 2 fits the elderly's back, control the two rotating arms 4 to rotate and close, so that the rotating arms 4 are in a state of embracing the elderly, start the air pump, inflate the air cushion 9, detect the pressure of the air cushion 9 through the pressure-sensitive sensor, and turn off the air pump when the air cushion 9 fits the elderly's waist; put the elderly's arms on the air cushion 9, and then turn off the air pump. On the cushion 9, the encircling assembly is pushed upward by the adjusting assembly, which is equivalent to lifting the elderly person upward; the seat cushion 16 inside the lifting seat 13 is extended, and part of the gas in the air cushion 9 is discharged, so that the elderly person slowly descends and sits on the seat cushion 16; after the elderly person is in a sitting position, the encircling assembly is lifted to an appropriate height; the nursing wheelchair is moved to completely lift the elderly person out of the bed; then the encircling assembly is lowered to an appropriate height, and the elderly person's feet are placed on the foot pedals 24, and the nursing wheelchair is used to drive the elderly person to move. Similarly, the elderly person can also be moved from the nursing wheelchair to the bed.

[0047] The entire process does not require manual lifting of the elderly, which reduces the workload of caregivers. The operation is convenient, stable and safe, and can assist elderly people with limited mobility to switch between bed and wheelchair.

[0048] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nursing wheelchair for the elderly, comprising a mobile base (1), characterized in that: A lifting mechanism is installed on the upper part of the movable base (1), and the lifting mechanism includes an adjustment component and an embracing component; the embracing component includes a fixed backrest (2), a rotating arm (4) matched with the fixed backrest (2), and a servo motor (7); bearing sleeves (3) are fixedly connected to both sides of the fixed backrest (2); there are two rotating arms (4) distributed on both sides of the fixed backrest (2); one end of the inner side of the rotating arm (4) is fixedly connected to a rotating ring (5); a driving shaft (6) is fixedly connected to the inside of the rotating ring (5); the bearing sleeve (3) is sleeved on the outside of the driving shaft (6); and the servo motor (7) drives the driving shaft (6) to rotate.

2. The elderly nursing wheelchair according to claim 1, characterized in that: An air cushion (9) is fixedly connected to the inner side of the rotating arm (4), and the air cushion (9) is fitted with the inner side of the rotating arm (4) and extends to the inner side of the fixed backrest (2). A pressure-sensitive sensor is installed inside the air cushion (9).

3. The elderly nursing wheelchair according to claim 1, characterized in that: The adjustment assembly comprises a support disk (10), a rotating disk (11) is rotatably connected inside the support disk (10), and an adjustment seat (12) is fixedly connected to the upper part of the rotating disk (11).

4. The elderly care wheelchair according to claim 3, characterized in that: The adjusting seat (12) is slidably connected to a lifting seat (13) inside, the bottom of the fixed backrest (2) is fixedly connected to the upper part of the lifting seat (13), the rotating disk (11) is fixedly connected to an electric telescopic rod (14) inside, and the telescopic end of the electric telescopic rod (14) is fixedly connected to the bottom surface of the lifting seat (13).

5. The elderly nursing wheelchair according to claim 4, characterized in that: The servo motor (7) is fixedly connected to the inside of the side of the lifting seat (13), and a small air pump (15) is installed on the outside of the adjustment seat (12). The small air pump (15) is connected to the internal air path of the air cushion (9).

6. The elderly nursing wheelchair according to claim 5, characterized in that: A cushion plate (16) is sleeved inside the lifting seat (13), and a tooth groove (17) is provided on the bottom surface of the cushion plate (16). A stepper motor (18) is fixedly connected to the bottom of the lifting seat (13), and a driving shaft (6) of the stepper motor (18) is fixedly connected to a driving gear (19), and the driving gear (19) is meshed with the tooth groove (17) on the bottom surface of the cushion plate (16).

7. The elderly nursing wheelchair according to claim 3, characterized in that: The bottom of the support plate (10) is fixedly connected to a support rod (20), the lower end of the support rod (20) is fixedly connected to the upper part of the movable base (1), and a locking assembly is provided on the outside of the support plate (10).

8. The elderly nursing wheelchair according to claim 7, characterized in that: The locking assembly comprises a threaded barrel (21), one end of the threaded barrel (21) is fixedly connected to the interior of the support plate (10), the interior of the threaded barrel (21) is threadedly connected to a threaded turning rod (22), and one end of the outer side of the threaded turning rod (22) is fixedly connected to a turning handle (23).

9. The elderly nursing wheelchair according to claim 1, characterized in that: A height adjustment rod (25) is installed at the front end of the mobile base (1), and a foot pedal (24) is installed at the upper end of the height adjustment rod (25).

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