阅读说明：本技术 一种具有康复训练功能的智能轮椅 (Intelligent wheelchair with rehabilitation training function ) 是由 项忠霞 庄雯茜 雷潇潇 赵恒锐 李泽康 宋高扬 任梦阳 杜玉明 于 2021-08-20 设计创作，主要内容包括：本发明公开了一种具有康复训练功能的智能轮椅,包括供患者座靠的轮椅座支架,所述轮椅座支架的底部设置有由后轮一侧向前延伸的支撑杆,轮椅座支架由座位处依次转动连接有大腿靠板、小腿靠板和脚踏板；所述支撑杆的底端固定设置有万向轮固定叉,万向轮固定叉底部设置有万向轮,支撑杆与大腿靠板之间转动连接有第一伸缩装置,大腿靠板与小腿靠板之间转动连接有第二伸缩装置,小腿靠板与脚踏板之间转动连接有第三伸缩装置；所述扶手上设置有控制开关。本发明旨在提供一种实现下肢髋关节、膝关节、踝关节的一体被动和主动训练,并进行模块化设计使三个关节部位能够分别进行康复训练的智能轮椅。(The invention discloses an intelligent wheelchair with a rehabilitation training function, which comprises a wheelchair seat support for a patient to lean against, wherein a supporting rod extending forwards from one side of a rear wheel is arranged at the bottom of the wheelchair seat support, and a thigh backup plate, a shank backup plate and a pedal plate are sequentially and rotatably connected to the wheelchair seat support from the seat; a universal wheel fixing fork is fixedly arranged at the bottom end of the supporting rod, a universal wheel is arranged at the bottom of the universal wheel fixing fork, a first telescopic device is rotatably connected between the supporting rod and the thigh backup plate, a second telescopic device is rotatably connected between the thigh backup plate and the shank backup plate, and a third telescopic device is rotatably connected between the shank backup plate and the pedal plate; the handrail is provided with a control switch. The invention aims to provide an intelligent wheelchair which realizes the integrated passive and active training of hip joints, knee joints and ankle joints of lower limbs and is modularly designed so that the three joint parts can respectively perform rehabilitation training.)

1. The utility model provides an intelligence wheelchair with rehabilitation training function, is including supplying wheelchair seat support (6) that the patient was leaned on, wheelchair seat support (6) rear side rotation is provided with rear wheel (7), and wheelchair seat support (6) are provided with back (3) and handrail (20) in seat department, its characterized in that: a supporting rod (8) extending forwards from one side of the rear wheel (7) is arranged at the bottom of the wheelchair seat support (6), and a thigh backup plate (19), a shank backup plate (15) and a pedal (9) are sequentially connected with the wheelchair seat support (6) in a rotating manner from the seat; the bottom end of the supporting rod (8) is fixedly provided with a universal wheel fixing fork (12), the bottom of the universal wheel fixing fork (12) is provided with a universal wheel (10), a first expansion device (16) is rotatably connected between the supporting rod (8) and the thigh backup plate (19), a second expansion device (17) is rotatably connected between the thigh backup plate (19) and the shank backup plate (15), and a third expansion device (18) is rotatably connected between the shank backup plate (15) and the pedal plate (9). The handrail (20) is provided with a control switch (21), the control switch (21) is connected with a motor (11) fixedly arranged on the supporting rod (8) through an electric wire (22), and the control switch (21) is used for controlling the start and stop of each telescopic device.

2. The intelligent wheelchair with rehabilitation training function as claimed in claim 1, wherein: two thigh backup plates (19), two shank backup plates (15), two foot plates (9) and two telescopic devices are symmetrically arranged.

3. The intelligent wheelchair with rehabilitation training function as claimed in claim 1, wherein: the thigh backup plate (19), the shank backup plate (15), the pedal plate (9), the support rod (8) and the connecting end of the telescopic device are all fixedly provided with channel steel (13), and the telescopic device is rotatably connected with the channel steel (13) through a connecting piece.

4. The intelligent wheelchair with rehabilitation training function according to any one of claims 1-3, wherein: the telescopic device is composed of an electric push rod.

5. The intelligent wheelchair with rehabilitation training function as claimed in claim 1, wherein: the wheelchair seat support (6) is detachably provided with an active training assembly on the front side, the active training assembly comprises a bottom rod (32), a rotating frame (34) and a telescopic rod piece (27), the bottom rod (32) is an L-shaped rod piece, the vertical part of the bottom rod (32) is detachably connected with the bottom of a support rod (8), the bottom of the horizontal part of the bottom rod (32) is rotatably connected with the rotating frame (34), rotating wheels (31) capable of being horizontally folded are rotatably arranged at the two ends of the rotating frame (34), the top of the horizontal part of the bottom rod (32) is rotatably connected with the telescopic rod piece (27), sliding grooves (33) are respectively formed in the bottom rod (32) and the telescopic rod piece (27), a connecting rod (30) is slidably arranged between the two sliding grooves (33), the end parts of the connecting rod (30) can be adjusted and fixed with the sliding grooves (33), and a sleeve (29) is slidably arranged outside the extension end of the telescopic rod piece (27), the sleeve (29) is fixed with the extending end of the telescopic rod piece (27) through a positioning hole which is arranged in a matched mode, a rotating disc (28) is arranged on the sleeve (29) in a rotating mode, rotating rods (26) which are located on the same straight line and extend in opposite directions are fixedly arranged on two sides of the rotating disc (28), and pedals (25) with guard bands are arranged at the end portions of the two rotating rods (26).

6. The intelligent wheelchair with rehabilitation training function of claim 5, wherein: the connecting rods (30) are provided with two sections, and the connecting rods (30) can be locked and fixed.

7. The intelligent wheelchair with rehabilitation training function as claimed in claim 1, wherein: the side symmetry of wheelchair seat support (6) is provided with brake subassembly (23), and brake subassembly (23) include first member (231), second member (232), third member (233) and fourth member (234), first member (231) horizontally is fixed to be set up in the position that wheelchair seat support (6) are located handrail (20) downside, the lateral part and third member (233) of the relative rear wheel of first member (231) rotate to be connected, the lateral part and the second member (232) of the relative universal wheel (10) of first member (231) rotate to be connected, fixedly connected with fourth member (234) between the bottom of second member (232) and third member (233), the top of second member (232) is provided with brake handle (235), the bottom of third member (233) is provided with the glue of stopping (236) that is wider than rear wheel (7).

8. The intelligent wheelchair with rehabilitation training function of claim 7, wherein: the wheelchair seat support (6) is provided with a handle (1) used for pushing a wheelchair at the top, a brake handle (2) is rotatably arranged on the lower side of the handle (1), and a brake cable (5) of the brake handle (2) is fixedly connected with the third rod piece (233).

9. The intelligent wheelchair with rehabilitation training function as claimed in claim 1, wherein: the seat of the wheelchair seat support (6), the thigh backup plate (19), the shank backup plate (15) and the armrest (20) are all provided with a back cushion (14) through fixing pieces (4).

Technical Field

The invention relates to the technical field of medical instruments, in particular to an intelligent wheelchair with a rehabilitation training function.

Background

According to the seventh census data released by the state department, the proportion of people aged 65 and above in China is 13.5%, and the people have already comprehensively entered the aging society. The old man physical function is showing and is descending, and the rehabilitation training colony is huge, and because the nursing staff shortage, domestic type rehabilitation training product shortage, when the user need do the rehabilitation training, must go to the hospital and carry out the rehabilitation training under the direction of rehabilitation training teacher, has not only consumed a large amount of commuting time, has also caused the rehabilitation training high simultaneously, is difficult to bear. Meanwhile, the wheelchair is an important tool for the elderly to realize self-care and rehabilitation in life, is not only a walking tool, but also a wheelchair for physical exercise and participation in social activities. The existing rehabilitation wheelchair can only perform simple training of crus and ankles and add some living devices, can not realize the integrated training of hip joints, knee joints and ankle joints of lower limbs, does not consider the modularized design, and causes the heavy and tedious structure of the wheelchair. Therefore, there is a need for an intelligent wheelchair that realizes the integrated passive and active training of hip joint, knee joint and ankle joint of lower limb, and performs modular design to enable the rehabilitation training of three joint parts.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide an intelligent wheelchair which realizes the integrated passive and active training of hip joints, knee joints and ankle joints of lower limbs and is modularly designed so that the three joint parts can respectively perform rehabilitation training.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an intelligent wheelchair with a rehabilitation training function comprises a wheelchair seat support for a patient to lean against, a rear wheel is rotatably arranged at the rear side of the wheelchair seat support, a backrest and a handrail are arranged at the seat of the wheelchair seat support, a supporting rod extending forwards from one side of the rear wheel is arranged at the bottom of the wheelchair seat support, and a thigh backup plate, a shank backup plate and a pedal plate are sequentially and rotatably connected to the wheelchair seat support from the seat; a universal wheel fixing fork is fixedly arranged at the bottom end of the supporting rod, a universal wheel is arranged at the bottom of the universal wheel fixing fork, a first telescopic device is rotatably connected between the supporting rod and the thigh backup plate, a second telescopic device is rotatably connected between the thigh backup plate and the shank backup plate, and a third telescopic device is rotatably connected between the shank backup plate and the pedal plate; the handrail is provided with a control switch, the control switch is connected with a motor fixedly arranged on the supporting rod through an electric wire, and the control switch is used for controlling the start and stop of each telescopic device.

Furthermore, the thigh backup plate, the shank backup plate, the pedal plate and the telescopic devices are symmetrically arranged in two.

Furthermore, channel steel is fixedly arranged at the connecting ends of the thigh backup plate, the shank backup plate, the pedal plate, the support rod and the telescopic device, and the telescopic device is rotatably connected with the channel steel through a connecting piece.

Furthermore, the telescopic device is composed of an electric push rod.

Furthermore, an active training assembly is detachably arranged on the front side of the wheelchair seat support and comprises a bottom rod, a rotating frame and a telescopic rod piece, the bottom rod is an L-shaped rod piece, the vertical part of the bottom rod is detachably connected with the bottom of the support rod, the bottom end of the horizontal part of the bottom rod is rotatably connected with the rotating frame, two ends of the rotating frame are rotatably provided with rotating wheels capable of being horizontally folded, the top end of the horizontal part of the bottom rod is rotatably connected with the telescopic rod piece, the bottom rod and the telescopic rod piece are both provided with sliding grooves, a connecting rod is slidably arranged between the two sliding grooves, the end part of the connecting rod can be adjusted and fixed with the sliding grooves, a sleeve is slidably arranged outside the extension end of the telescopic rod piece, the sleeve and the extension end of the telescopic rod piece are fixed through a positioning hole which is matched with each other, a rotating disc is rotatably arranged on the sleeve, and rotating rods which are positioned on the same straight line and extend in opposite directions are fixedly arranged on two sides of the rotating disc, the end parts of the two rotating rods are provided with pedals with protective belts.

Furthermore, the connecting rods are provided with two sections, and the connecting rods can be locked and fixed.

Further, the lateral part symmetry of wheelchair seat support is provided with brake assembly, and brake assembly includes first member, second member, third member and fourth member, the fixed position that is located the handrail downside at wheelchair seat support of first member horizontally, and the lateral part and the third member of the relative rear wheel of first member rotate to be connected, and the lateral part and the second member of the relative universal wheel of first member rotate to be connected, fixedly connected with fourth member between the bottom of second member and the third member, and the top of second member is provided with brake handle, and the bottom of third member is provided with the glue of stopping that is wider than the rear wheel.

Furthermore, a handle for pushing the wheelchair is arranged at the top of the wheelchair seat support, a brake handle is rotatably arranged on the lower side of the handle, and a brake cable of the brake handle is fixedly connected with the third rod piece.

Furthermore, back cushions are arranged on the seat of the wheelchair seat support, the thigh backup plate, the shank backup plate and the armrests through fixing parts.

Compared with the prior art, the invention has the following beneficial effects:

1. when the wheelchair is used, the passive lower limb rehabilitation training of hip joints, knee joints and ankle joints can be realized by controlling the extension and retraction of the extension devices through the control switch, and the thigh backup plate, the shank backup plate, the pedal plate, the first extension device, the second extension device and the third extension device are symmetrically arranged in two, so that the independent training of the joints and the alternate variation training of the extension and retraction of the joints can be respectively carried out through the control switch, and the passive training effect is improved.

2. The active training component can adjust the angle and the height of the body of the patient correspondingly, and is convenient for the patient to carry out active rehabilitation training through the pedals. The active training component can be detachably connected with the supporting rod, so that the active training component can be combined with a wheelchair in a modularized mode, and the patient can be trained intensively after being adapted to passive training. After the initiative rehabilitation training is ended, can demolish the initiative training subassembly, use lightweight rehabilitation wheelchair, improve the convenience of using, avoid the patient to go to the hospital and just can carry out rehabilitation training, improve rehabilitation training's frequency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic diagram of an active training assembly according to the present invention;

FIG. 4 is a schematic view of the folded active training assembly of the present invention;

FIG. 5 is a schematic structural view of a brake assembly according to the present invention;

FIG. 6 is a schematic structural view of a hip joint training state according to the present invention;

FIG. 7 is a schematic structural view of a knee training state of the present invention;

fig. 8 is a structural view illustrating an ankle training state according to the present invention.

Reference numerals:

1-handle, 2-brake lever, 3-backrest, 4-fixing part, 5-brake cable, 6-wheelchair seat support, 7-rear wheel, 8-support bar, 9-footboard, 10-universal wheel, 11-motor, 12-universal wheel fixing fork, 13-channel steel, 14-backrest, 15-calf backup plate, 16-first telescopic device, 17-second telescopic device, 18-third telescopic device, 19-thigh backup plate, 20-armrest, 21-control switch, 22-electric wire, 23-brake assembly, 24-pull handle, 25-pedal, 26-rotating rod, 27-telescopic rod piece, 28-rotating disk, 29-sleeve, 30-connecting rod, 31-rotating wheel, 32-bottom rod, 33-a sliding groove, 34-a rotating frame, 231-a first rod piece, 232-a second rod piece, 233-a third rod piece, 234-a fourth rod piece, 235-a brake handle and 236-brake glue.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 5, an intelligent wheelchair with rehabilitation training function comprises a wheelchair seat support 6 for a patient to lean against, a rear wheel 7 is rotatably arranged at the rear side of the wheelchair seat support 6, a backrest 3 and an armrest 20 are arranged at the seat of the wheelchair seat support 6, a support rod 8 extending forwards from one side of the rear wheel 7 is arranged at the bottom of the wheelchair seat support 6, and a thigh rest plate 19, a shank rest plate 15 and a pedal plate 9 are sequentially and rotatably connected with the wheelchair seat support 6 from the seat; a universal wheel fixing fork 12 is fixedly arranged at the bottom end of the supporting rod 8, a universal wheel 10 is arranged at the bottom of the universal wheel fixing fork 12, a first telescopic device 16 is rotatably connected between the supporting rod 8 and a thigh backup plate 19, a second telescopic device 17 is rotatably connected between the thigh backup plate 19 and a shank backup plate 15, and a third telescopic device 18 is rotatably connected between the shank backup plate 15 and a pedal plate 9; the handrail 20 is provided with a control switch 21, the control switch 21 is connected with the motor 11 fixedly arranged on the support rod 8 through an electric wire 22, and the control switch 21 is used for controlling the start and stop of each telescopic device.

Wherein, two thigh backup plates 19, two shank backup plates 15, two foot plates 9 and two extension devices are symmetrically arranged. Therefore, the independent training of hip joints, knee joints and ankle joints and the alternate change training of joint extension and contraction can be respectively carried out through the control switches, and the passive training effect is improved. The thigh backup plate 19, the shank backup plate 15, the pedal plate 9, the support rod 8 and the connecting ends of the telescopic devices are all fixedly provided with channel steel 13, the telescopic devices are rotatably connected with the channel steel 13 through connecting pieces, and positioning connection positions are provided for the telescopic devices through the channel steel 13. The telescopic devices are all composed of electric push rods, and are conveniently and uniformly connected and controlled by the control switch 21.

As shown in fig. 3 and 4, an active training assembly is detachably arranged on the front side of the wheelchair seat support 6, the active training assembly includes a bottom rod 32, a rotating frame 34 and a telescopic rod 27, the bottom rod 32 is an L-shaped rod, the vertical part of the bottom rod 32 is detachably connected with the bottom of the support rod 8, the bottom end of the horizontal part of the bottom rod 32 is rotatably connected with the rotating frame 34, two ends of the rotating frame 34 are rotatably provided with rotating wheels 31 capable of being horizontally folded, the top end of the horizontal part of the bottom rod 32 is rotatably connected with the telescopic rod 27, sliding grooves 33 are respectively arranged on the bottom rod 32 and the telescopic rod 27, a connecting rod 30 is slidably arranged between the two sliding grooves 33, the end parts of the connecting rod 30 can be adjusted and fixed with the sliding grooves 33, a sleeve 29 is slidably arranged outside the extension end of the telescopic rod 27, the sleeve 29 is fixed with the extension end of the telescopic rod 27 by matching with a positioning hole, the sleeve 29 is provided with a rotary disc 28 in a rotating way, two sides of the rotary disc 28 are fixedly provided with rotary rods 26 which are positioned on the same straight line and extend in opposite directions, and the end parts of the two rotary rods 26 are provided with pedals 25 with guard bands. The connecting rods 30 are provided with two sections, and the connecting rods 30 can be locked and fixed.

The telescopic rod 27 in the active training assembly is used for adjusting the overall height of the foot pedal 25, and the sleeve 29 is matched and fixed with the extending end of the telescopic rod 27 through a positioning hole and used for fixing and finely adjusting the height of the foot pedal 25. The connecting end of the horizontal part of the telescopic rod member 27 and the bottom rod 32 can be adjusted in a rotating way, and is used for adjusting the inclination angle of the telescopic rod member 27 towards a patient and assisting in height adjustment. The telescopic rod 27 adjusted to a proper height is fixed by locking the connecting rod 30 between the telescopic rod 27 and the bottom rod 32, and the telescopic rod 27 and the bottom rod 32 are both provided with a sliding groove 33 in sliding fit with the connecting rod 30 for matching the rotation adjustment of the horizontal parts of the telescopic rod 27 and the bottom rod 32. The end parts of the connecting rods 30 and the sliding grooves 33 as well as the connecting rods 30 can be mutually locked, so that the telescopic rod piece 27 can provide more inclination angles, and the patient can conveniently step on the rotary table 28 through the pedals 25 to move the whole lower limb to carry out active rehabilitation training. When the patient needs, the telescopic rod piece 27 can be continuously heightened, and the hand-operated pedals 25 can be used for exercising the arm.

The active training component can be detachably connected with the supporting rod 8, so that the active training component can be combined with a wheelchair in a modularized mode, and the patient can be trained intensively after being adapted to passive training. After the initiative rehabilitation training is finished, the initiative training component can be detached, the lightweight rehabilitation wheelchair is used, and the use convenience is improved. The removed active training assembly can be folded again, the telescopic rod 27 and the bottom rod 32 are folded after the connecting rod 30 is loosened, the rotating frame 34 at the bottom end of the bottom rod 32 can rotate to the position which is level with the bottom rod, and the rotating wheel 31 is horizontally folded through the rotating piece, so that the space occupied by storing the active training assembly is reduced.

As shown in fig. 5, the brake assemblies 23 are symmetrically arranged on the side portions of the wheelchair seat support 6, each brake assembly 23 includes a first rod 231, a second rod 232, a third rod 233 and a fourth rod 234, the first rod 231 is horizontally and fixedly arranged at a position of the wheelchair seat support 6 on the lower side of the armrest, the first rod 231 is rotatably connected with the third rod 233 relative to the side portion of the rear wheel 7, the first rod 231 is rotatably connected with the second rod 232 relative to the side portion of the universal wheel 10, the fourth rod 234 is fixedly connected between the bottom portion of the second rod 232 and the third rod 233, the top portion of the second rod 232 is provided with a brake handle 235, and the bottom portion of the third rod 233 is provided with a brake rubber 236 wider than the rear wheel 7. The brake assembly 23 enables a patient to manually control the parking position of the wheelchair, and when the wheelchair needs to be parked, the brake handle 235 is manually pressed forward to enable the bottom of the second rod 232 to be reversely offset, so that the fourth rod 234 fixed between the second rod 232 and the third rod 233 is pushed to move towards the rear wheel 7, the brake rubber 236 abuts against and rubs against the rear wheel 7, and the rotation of the rear wheel 7 is stopped.

The patient is helped to push the wheelchair personnel, and the wheelchair can also be stopped by the brake handle 2. The wheelchair seat support 6 is provided with a handle 1 for pushing the wheelchair at the top, a brake handle 2 is rotatably arranged at the lower side of the handle 1, and a brake cable 5 of the brake handle 2 is fixedly connected with the third rod member 233. The brake handle 2 is pressed by hand to rotate, the brake cable 5 is driven to be pulled tightly to drive the bottom of the third rod 233 to move towards the rear wheel 7, so that the third rod 233 is pushed to move towards the rear wheel 7, the brake rubber 236 is abutted against the rear wheel 7 to rub, and the rotation of the rear wheel 7 is stopped.

The seat of the wheelchair seat support 6, the thigh backup plate 19, the shank backup plate 15 and the armrests 20 are all provided with a back cushion 14 through fixing pieces 4, so that the comfort level of the patient is improved.

As shown in fig. 5, which is a schematic structural diagram of a hip joint training state, a patient can start the first extension device 16 and the second extension device 17 by controlling a switch, the first extension device 16 is used for adjusting the height change of the thigh rest plate 19 to rotate, and the second extension device 17 is used for adjusting the included angle between the calf rest plate 15 and the thigh rest plate 19, so that the knee joints of the patient are in different opening degrees to raise and lower the whole lower limb, thereby performing passive rehabilitation training of the hip joint.

As shown in fig. 6, which is a schematic structural diagram of a knee joint training state, a patient can start the second extension device 17 through a control switch, and adjust an included angle between the lower leg backup plate 15 and the thigh backup plate 19, so that the lower leg of the patient moves, and the knee joint performs flexion and extension training actions, thereby performing passive rehabilitation training of the knee joint.

As shown in fig. 7, which is a schematic structural diagram of the ankle joint training state, the patient can start the third telescopic device 18 by controlling the switch, and adjust the included angle between the foot pedal 9 and the lower leg backup plate 15, so that the ankle of the patient can move, the foot sole can do plantar flexion and dorsal extension training actions, and the passive rehabilitation training of the ankle joint can be performed.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.