CN112294550A

CN112294550A - Medical multifunctional wheelchair

Info

Publication number: CN112294550A
Application number: CN202011189472.8A
Authority: CN
Inventors: 徐廷美
Original assignee: Individual
Current assignee: Zhongshan A & J Medical Equipment Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-02
Anticipated expiration: 2040-10-30
Also published as: CN112294550B

Abstract

The invention discloses a medical multifunctional wheelchair, which comprises two frame bodies, a body supporting assembly, a back supporting assembly and a leg supporting assembly, wherein the body supporting assembly is arranged on the frame bodies; each leg support component comprises a leg support plate, a foot support part, a drive rod and an electric push rod; one end of each driving rod is respectively formed with a limiting column, and one end of each foot supporting part is respectively formed with a sliding seat; each sliding seat is respectively provided with a limiting track and a communicating track; the knee joint rehabilitation training device has the knee joint rehabilitation training function, and the motor drives the knee joint to perform rehabilitation training; the leg rehabilitation training device has a leg rehabilitation training function, and the legs are driven by the motor to perform rehabilitation training; has the functions of walking and standing rehabilitation training, and can hold the handrail to stand and walk; the switching and the execution of the functions are completed by an automatic process, the operation is simple, and the use is convenient.

Description

Medical multifunctional wheelchair

Technical Field

The invention belongs to the technical field of medical equipment, and particularly relates to a medical multifunctional wheelchair.

Background

Chinese patent document No. CN207532498U discloses a multifunctional electric wheelchair, in particular to a shank rehabilitation training device on the electric wheelchair, which is provided with a truss (1), a push rod motor (2), two shank rods (3), two cantilever brackets (4), two shank supporting plates (6), a pedal (7) and a key control box (8); the truss (1) is fixedly arranged on a bottom plate of a wheelchair main body frame, and the two cantilever brackets (4) are fixedly arranged on two sides of the front end of a seat plate of the wheelchair main body frame; the top end of the shank rod (3) is hinged with the cantilever support (4), and two ends of the push rod motor (2) are respectively hinged with the truss (1) and the shank rod (3); a shank supporting plate (6) is arranged in the middle of each shank rod (3); the pedal (7) is arranged between the bottom ends of the two shank rods (3), and the key control box (8) is arranged at the front end of the wheelchair armrest. The utility model discloses a device, the user can carry out appropriate shank and take exercise, satisfies certain motion demand.

Above-mentioned patent function is single, uses the motion that above-mentioned patent can only realize the knee part, to the patient that needs the rehabilitation, often needs to be followed the knee earlier, arrives the shank again, arrives again and stands and walk by shallow dark rehabilitation training, and above-mentioned patent can not satisfy the user demand, if rehabilitation training uses a plurality of equipment to go on, and operation process can be complicated relatively, and is inconvenient to use.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the multifunctional wheelchair capable of respectively performing knee, leg, standing and walking rehabilitation training is provided.

In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a medical multifunctional wheelchair comprises two vertically and symmetrically arranged frame bodies and a horizontally arranged body supporting assembly arranged between the two frame bodies; the back support component is arranged at the rear end of the body support component in a left-right direction along a rotating shaft in a rotating manner; the front end of the body supporting component is positioned between the two frame bodies, and the leg supporting component is rotatably connected with the two rotating shafts and arranged along the left and right directions.

Each leg support component comprises a leg support plate, a foot support part, a driving rod and an electric push rod, wherein the leg support plate is arranged along the left-right direction of a rotating shaft which is rotatably connected to the front end of the body support component, the foot support part is connected to the leg support plate in a sliding manner along the length direction of the leg support plate, the driving rod is rotatably connected to the back of the leg support plate, the driving rod is perpendicular to the leg support plate, and the electric push rod is rotatably connected to the lower; the seat body of the electric push rod is rotationally connected to the lower part of the body supporting component; the rod body of the electric push rod is rotatably connected with the foot supporting part.

A limiting column is formed at one end of each driving rod, which is far away from the body supporting component, and a sliding seat is formed at one end of each foot supporting part, which is close to the corresponding leg supporting component; each sliding seat is respectively provided with a limiting track which can be abutted against the limiting column and a communicating track which is used for communicating the limiting track with the outside.

When the limiting column is located in the limiting track, the electric push rod stretches out and draws back the rod body in a reciprocating mode, so that the leg supporting component rotates in a reciprocating mode, and the knee joint is driven to move.

When the limiting columns are located in the communicating tracks, the electric push rod stretches out and draws back the rod body in a reciprocating mode, so that the foot supporting portion moves in a reciprocating mode, and then the legs are driven to move.

When the back support assembly is approximately perpendicular to the body support plate, the limiting column is located in the limiting track; when the back support assembly and the body support plate are close to the horizontal plane, the limiting column is located in the communicating track.

As a preferable scheme: the body supporting component comprises a horizontally arranged body supporting plate which is arranged in the middle of the two frame bodies; leg rotating pipes a which are rotatably connected with the corresponding leg supporting plates are respectively formed at the front ends of the body supporting plates.

The leg supporting component also comprises a stopping part which is rotatably connected at the front end of the body supporting plate and has the same rotating shaft with the leg rotating pipe a; a stop lug is respectively formed on one side of each stop part facing the corresponding leg rotating pipe a; and a locking notch which can be clamped with the corresponding locking lug is formed on one side of each leg rotating pipe a facing to the corresponding locking part.

The stopping part is connected with one end of the driving rod close to the body supporting component; and a middle rotating hole which is rotationally connected with the leg supporting plate is formed in the middle of the driving rod.

When the limiting column is positioned in the communicating track, the stop lug is positioned in the stop notch, and at the moment, the leg support plate is relatively parallel to the body support plate.

When the limiting column is positioned in the limiting track, the stop lug is positioned outside the stop notch.

As a preferable scheme: the lower end of the body supporting plate is provided with two transmission parts for driving the corresponding stopping parts to move; each transmission part comprises a linkage rod which is connected to the lower end of the body supporting plate in a sliding mode along the front-back direction and a stop push plate which is connected to the lower end of the body supporting plate in a sliding mode along the left-right direction.

A driving groove is formed in the outer wall of each stopping part; and one end of each stop push plate, which is close to the corresponding stop part, is respectively provided with a driving clamping block fixedly clamped with the corresponding driving groove.

One end of each stop push plate, which is far away from the corresponding driving clamping block, is formed with a driving inclined groove which is obliquely arranged; and a sliding head which is in sliding connection with the corresponding driving chute is formed on one side of each linkage rod, which is close to the corresponding driving clamping block.

When the linkage rod moves towards the front end, the stopping parts move close to the corresponding leg rotating pipes a.

The back support component comprises a back support plate which is rotatably connected to the rear end of the body support plate and a rotating motor which is fixedly connected to the lower end of the body support plate and used for driving the back support plate to rotate.

A sliding push plate is respectively formed at one end of each linkage rod away from the sliding head; the lower end of the back supporting plate is respectively provided with a driving plate which can be abutted against the corresponding sliding push plate; when the back support assembly is flipped down, the linkage rod is caused to move toward the front end.

As a preferable scheme: the body supporting component also comprises a leg supporting connecting shaft rotatably connected to the front end of the body supporting plate, a back supporting connecting shaft rotatably connected to the back end of the body supporting plate and a climbing motor fixedly connected to the lower end of the body supporting plate and used for driving the back supporting connecting shaft to rotate.

Each frame body comprises a shell; and one side of each shell facing the body supporting plate is respectively provided with a horizontal sliding groove which is horizontally arranged and is in sliding connection with the leg supporting connecting shaft, and a vertical sliding groove which is vertically arranged and is in sliding connection with the back supporting connecting shaft.

Two ends of the back support connecting shaft are respectively and fixedly connected with climbing gears; and the vertical sliding grooves are respectively and fixedly connected with climbing racks which are vertically arranged and are in transmission connection with the corresponding climbing gears.

When the back support connecting shaft is positioned at the lower end limit position, the body support plate is relatively horizontal; when the back support connecting shaft is located at the upper end limit position, the body support plate is relatively vertical.

As a preferable scheme: a plurality of back rotating pipes a are symmetrically formed at the rear end of the body supporting plate respectively; a back rotating pipe b which is coaxial with the back rotating pipe a is formed at the lower end of the back supporting plate; the back rotating pipe b and the back rotating pipe a are respectively sleeved on the periphery of the back supporting connecting shaft.

A leg rotating pipe b coaxial with the leg rotating pipe a is formed at one end, close to the body supporting plate, of the leg supporting plate; the leg rotating pipe b and the leg rotating pipe a are respectively sleeved on the periphery of the leg supporting connecting shaft.

As a preferable scheme: the lower end of each frame body is provided with a moving part; each moving part comprises a front wheel fixedly connected to the front part of the lower end of the frame body, a rear wheel rotatably connected to the rear part of the lower end of the frame body and arranged along the left-right direction of a rotating shaft, and a moving motor fixedly connected to the frame body and used for driving the rear wheel to rotate.

As a preferable scheme: the back support component also comprises handrails which are fixedly connected with the front surface of the back support plate and are close to the left end and the right end; a console is arranged on one of the handrails.

Compared with the prior art, the invention has the beneficial effects that: in an initial state, the limiting column is positioned in the limiting track, the back supporting plate and the leg supporting plate are respectively approximately vertical to the body supporting plate, and the pedal is approximately parallel to the body supporting plate.

When using this product as the wheelchair use, through the removal of this product of control cabinet control, the work of removal motor makes to remove output gear and rotates, and then drives rear wheel drive gear and rotate to make the rear wheel rotate, and then drive recovered personnel and remove.

When the product is used for carrying out rehabilitation training on the knee joint, a rehabilitation person sits on the body supporting plate, two feet step on the pedal respectively, and two hands hold the handrail tightly respectively. The control button corresponding to the knee joint rehabilitation on the control console is selected, then the corresponding starting button is pressed, the rod body of the electric push rod is pushed outwards, the sliding seat is abutted against the limiting part, and the rod body pushes the sliding seat to enable the leg supporting plate to turn upwards so as to drive the shank to move upwards. Then the rod body of the electric push rod is retracted inwards, the limiting column is abutted against the inner wall of the limiting track, and the rod body pulls the sliding seat to enable the leg supporting plate to turn downwards so as to drive the shank to move downwards. The console controls the electric push rod to push out and retract in a reciprocating manner, so that the lower leg moves up and down in a reciprocating manner, and the knee joint movement is realized. According to a control program arranged in the console, after a rehabilitation training course is completed, the electric push rod stops moving, and the leg support plate is located at an initial position. Through the control console, the two leg support plates can be arranged to move together or independently, the lifting amplitude and lifting time of the leg support plates can also be set, and a rehabilitation training course is set according to different rehabilitation conditions of rehabilitation personnel.

When the product is used for carrying out rehabilitation training on the legs, the rehabilitation personnel sit on the body supporting plate, two feet step on the pedal respectively, and the handrails are respectively held by two hands. The corresponding 'leg rehabilitation' control button on the console is selected, the electric push rod is pushed outwards to the limit position, and the leg supporting plate is approximately parallel to the body supporting plate. Then the rotating motor rotates positively, so that the rotating worm drives the rotating worm wheel to rotate, and the back support plate is turned downwards to be approximately parallel to the body support plate. In this process, the drive plate will promote the motion of slip push pedal, and then makes the gangbar move to keeping away from back backup pad direction, and the slip head on the gangbar will be followed the motion of drive chute, and then makes the inboard motion of locking push pedal, and the drive fixture block will drive groove synchronous motion, and then makes the inboard motion of locking part, and the locking part will drive actuating lever one end motion for the actuating lever rotates the hole around the middle part, and then makes spacing post move to the outside along spacing track. When the back support plate is turned downwards to be approximately parallel to the body support plate, the stop lug enters the stop notch, the limit column enters the communicating track, and the spring is compressed at the moment.

Then, through operating the control cabinet, carry out the adjustment of recovered time, number of movements or motion amplitude, press corresponding start button after that, the body of rod of electric putter withdraws inwards, and spacing post is through communicating the track, and the shank backup pad is under the spacing of locking lug, and shank rotating tube b can not rotate, and the shank backup pad keeps motionless in this position. The foot supporting part slides along the sliding track under the driving of the rod body of the electric push rod, so that the foot moves towards the body, and the movement of a plurality of joints of the leg part is realized. Then the rod body of the electric push rod is controlled to be pushed out, and the sliding seat slides along the sliding track, so that the feet return to the original positions. According to a control program arranged in the console, after a rehabilitation training course is completed, the electric push rod stops moving and is positioned at the outer limit position. Through the control console, two foot step supporting parts can be arranged to move together or independently, the movement amplitude and time of the foot step supporting parts can also be set, and the rehabilitation training course can be set according to different rehabilitation conditions of rehabilitation personnel. After the rehabilitation training is finished, the corresponding leg rehabilitation control key on the console is selected again, and the motor is rotated to rotate reversely, so that the back support plate moves upwards to the initial position. At the moment, the stop push plate returns to the original position under the action of the elastic force of the spring and drives the stop part and the linkage rod to return to the original position, so that the limiting column enters the limiting track, and the stop lug leaves the stop notch. The rod body of the electric push rod is controlled to be retracted inwards through the console, and the leg supporting plate is driven by the electric push rod to return to the initial position.

When the product is used for walking or standing rehabilitation training, the corresponding 'standing rehabilitation' control key on the console is selected, the electric push rod is pushed out to the limit position, and then the motor is rotated to rotate in the forward direction, so that the back support plate, the leg support plate and the body support plate are close to be parallel. Then the climbing motor rotates in the positive direction, the climbing worm rotates to drive the climbing worm wheel to rotate, the back support connecting shaft rotates, and the climbing gears located at the two ends of the back support connecting shaft rotate. The climbing gear is meshed with the climbing rack, and moves upwards along the vertical sliding groove along with the rotation of the climbing motor. And simultaneously drives the rotating wheel to slide along the horizontal sliding groove. After the climbing gear rotates for a certain number of turns, the movement stops, when the climbing gear moves to the upper end limit position along the climbing rack, the body supporting plate is close to the vertical direction with the ground, and the pedal is manually stirred upwards, so that the pedal is folded. The rehabilitation personnel can hold the handrail stably and step on the ground by feet to carry out rehabilitation training. After the rehabilitation training is accomplished, expand the footboard downwards, select again on the control cabinet corresponding "the rehabilitation of standing" control button, the motor that climbs reverse rotation for the gear that climbs moves down along vertical sliding tray, rotates the wheel simultaneously and moves along horizontal sliding tray, and after the gear that climbs rotated certain number of turns, the motion stopped, and the health backup pad moved to initial position this moment. The rotating motor rotates reversely, so that the back support plate returns to the initial position, and then the electric push rod retracts the rod body, so that the leg support plate returns to the initial position.

According to the invention, the back support connecting shaft is arranged, so that the body support plate and the back support plate are installed together, and the support plate can rotate relative to the body support plate, thereby carrying out the rehabilitation training of sitting posture or lying posture; meanwhile, the back supporting connecting shaft can be rotated by the working of the climbing motor, so that the climbing gear rotates, the climbing gear slides along the vertical sliding groove, the body supporting plate moves to be perpendicular to the ground, and the standing posture rehabilitation training is carried out.

According to the invention, through the design of the sliding seat, when the limiting column is positioned in the limiting track, the electric push rod moves to drive the leg supporting plate to reciprocate, so that the lower leg is driven to lift up in a reciprocating manner, and the knee joint is subjected to rehabilitation training; when the spacing post is located the intercommunication track, electric putter motion drives foot's supporting part along the motion of slip track, and then drives foot reciprocating motion for the shank is rehabilitation training.

According to the invention, through the design of the stopping part, when the stopping part moves until the stopping lug enters the stopping notch, the leg supporting plate and the body supporting plate are relatively horizontal and are relatively fixed, meanwhile, the stopping part drives the driving rod to move, so that the driving rod rotates around the middle rotating hole, the limiting column moves from the limiting track to the communicating track, and the movement of the electric push rod drives the sliding seat to move along the sliding track, so that the leg is driven to do rehabilitation training.

The knee joint rehabilitation training device has a knee joint rehabilitation training function, and the leg supporting plate is driven to move by the motor so as to drive the knee joint to perform rehabilitation training; the leg rehabilitation training device has a leg rehabilitation training function, and the motor drives the foot supporting part to move so as to drive the legs to perform rehabilitation training; the invention has the walking and standing rehabilitation training functions, and the patient can gradually stand and walk by holding the handrail; the switching of each function and the execution of each function are completed by an automatic process, and the invention has simple operation and convenient use.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic exploded view of the present invention.

Fig. 4 is an exploded view of the frame of the present invention.

Fig. 5 is a schematic view of the moving part structure of the present invention.

Figure 6 is an exploded view of the body support assembly of the present invention.

Figure 7 is an exploded view of the leg support assembly of the present invention.

Figure 8 is an exploded view of the back support assembly of the present invention.

Fig. 9 is an exploded view of the transmission part of the present invention.

Fig. 10 and 11 are schematic structural views of the beginning and end states of the knee joint rehabilitation function exercise according to the present invention.

Fig. 12 and 13 are schematic structural views of the beginning and end states of the leg rehabilitation function exercise of the invention.

Fig. 14 is a structural schematic diagram of the standing and walking rehabilitation function of the invention.

Fig. 15 is a schematic structural view of a rehabilitee performing knee joint rehabilitation according to the present invention.

Fig. 16 is a schematic view showing the structure of a rehabilitee performing leg rehabilitation according to the present invention.

1. A frame body; 10. a housing; 101. a handle; 102. a horizontal sliding groove; 103. a vertical sliding groove; 1031. a climbing rack; 11. sealing the cover; 2. a moving part; 21. a front wheel; 22. a rear wheel; 221. a rear wheel drive gear; 23. a moving motor; 231. a mobile output gear; 3. a body support assembly; 31. a body support plate; 311. a back rotating pipe a; 312. a leg rotating tube a; 3121. a stop notch; 313. first clamping melons; 314. a second clamping claw; 315. a push rod rotating seat; 316. a spring mounting plate; 32. a leg support connecting shaft; 321. a rotating wheel; 33. the back supports the connecting shaft; 331. climbing worm gears; 332. a climbing gear; 34. a climbing motor; 341. a climbing worm; 4. a leg support assembly; 41. a leg support plate; 411. a sliding track; 412. a leg rotating tube b; 413. a limiting part; 42. a drive rod; 421. a middle rotation hole; 422. a limiting column; 43. a stopper portion; 431. a drive slot; 432. a stop lug; 44. an electric push rod; 45. a foot support; 451. a sliding seat; 4511. connecting the rails; 4512. a limiting track; 452. a pedal; 5. a back support assembly; 51. a back support plate; 511. a back rotating pipe b; 5111. a drive plate; 512. a handrail; 513. a console; 52. rotating the motor; 521. rotating the worm; 53. rotating the worm gear; 6. a transmission section; 61. a linkage rod; 611. a sliding head; 612. sliding the push plate; 62. a stop push plate; 621. driving the clamping block; 622. driving the chute; 63. a spring.

Detailed Description

Referring to fig. 1 to 16, the multifunctional medical wheelchair of the present embodiment includes two frame bodies 1 vertically and symmetrically disposed and a horizontally disposed body support assembly 3 installed between the two frame bodies 1; the back support component 5 with a rotating shaft arranged along the left-right direction is rotatably connected at the rear end of the body support component 3; the front ends of the body supporting components 3 are positioned at two, two leg supporting components 4 with rotating shafts arranged along the left and right directions are rotatably connected between the frame bodies 1.

Each leg support assembly 4 comprises a leg support plate 41 which is arranged along the left-right direction and is rotatably connected with a rotating shaft at the front end of the body support assembly 3, a foot support part 45 which is connected with the leg support plate 41 in a sliding way along the length direction of the leg support plate 41, a driving rod 42 which is rotatably connected with the rotating shaft at the back of the leg support plate 41 and is vertical to the leg support plate 41, and an electric push rod 44 which is rotatably connected with the lower part of the body support assembly 3; the seat body of the electric push rod 44 is rotatably connected to the lower part of the body support component 3; the rod body of the electric push rod 44 is rotatably connected with the foot supporting part 45.

The front surface of the leg supporting plate 41 is provided with a cushion or a rubber pad, so that the leg supporting assembly 4 is softer in contact with the body and is more comfortable to use.

A limiting column 422 is respectively formed at one end of each driving rod 42 far away from the body support component 3, and a sliding seat 451 is respectively formed at one end of each foot supporting part 45 near the corresponding leg supporting component 4; a limit rail 4512 that can abut against the limit post 422 and a communication rail 4511 that allows the limit rail 4512 to communicate with the outside are formed on each of the slide seats 451.

Each leg support plate 41 is formed with a sliding rail 411 adjacent to the corresponding frame 1; each sliding seat 451 is slidably connected to the corresponding sliding rail 411; the ends of the sliding rails 411 far away from the body support assembly 3 are fixedly connected with limit parts 413 for preventing the sliding seats 451 from sliding out of the sliding rails 411 respectively.

When the limiting column 422 is located in the limiting track 4512, the foot supporting portion 45 is fixed relative to the leg supporting plate 41, and the electric push rod 44 extends and retracts the rod body in a reciprocating manner, so that the leg supporting component 3 rotates in a reciprocating manner, and the knee joint is driven to move.

When the limiting column 422 is located in the communicating track 4511, the foot supporting part 45 slides relative to the leg supporting plate 41, and the electric push rod 44 extends and retracts the rod body in a reciprocating manner, so that the foot supporting part 45 moves in a reciprocating manner, and further the leg is driven to move.

When the back support assembly 5 is approximately perpendicular to the body support plate 3, the restraint posts 422 are located within the restraint rails 4512; when the back support assembly 5 is approximately level with the body support plate 3, the restraint posts 422 are located within the communicating track 4511.

A storage battery is arranged below the body support component 3; a control module is arranged below the body supporting component 3; the storage battery and the electric push rod 44 are electrically connected with the control module.

The body supporting component 3 comprises a horizontally arranged body supporting plate 31 which is arranged at the middle position of the two frame bodies 1; leg rotating pipes a312 rotatably connected to the leg supporting plates 41 are formed at the front ends of the body supporting plates 31, respectively.

Two push rod rotating seats 315 for installing the electric push rod 44 are formed at the lower end of the body supporting plate 31; one end of the base body of the electric push rod 44, which is far away from the rod body, is rotatably connected with the push rod rotating base 315.

The front surface of the body supporting plate 31 is provided with a soft pad or a rubber pad, so that the body supporting plate 31 is softer in contact with the body and is more comfortable to use.

The leg support assembly 4 further comprises a stopper 43 rotatably connected to the front end of the body support plate 31 and having a rotation axis same as that of the leg rotating tube a 312; a stopper protrusion 432 is formed on one side of each stopper 43 facing the corresponding leg rotating tube a 312; a stop notch 3121 capable of being engaged with the corresponding stop protrusion 432 is formed on one side of each leg rotating tube a312 facing the corresponding stop portion 43.

The stop 43 is connected to the end of the drive rod 42 adjacent the body support assembly 3; a middle rotating hole 421 rotatably connected to the leg supporting plate 41 is formed in the middle of the driving rod 42.

When the position limiting post 422 is located in the communicating track 4511 and the stopping projection 432 is located in the stopping notch 3121, the leg supporting plate 41 is relatively parallel to the body supporting plate 31.

When the limiting post 422 is located in the limiting track 4512, the stopping lug 432 is located outside the stopping notch 3121.

The lower end of the body supporting plate 31 is provided with two transmission parts 6 for driving the corresponding stopping parts 43 to move; each of the transmission parts 6 includes a linkage rod 61 slidably connected to the lower end of the body supporting plate 31 in the front-rear direction and a stop push plate 62 slidably connected to the lower end of the body supporting plate 31 in the left-right direction.

A plurality of first clamping claw groups for mounting the linkage rods 61 are respectively and uniformly formed at the lower end of the body supporting plate 31; the first clamping jaw group comprises two first clamping jaws 313 which are symmetrically arranged and are respectively positioned on two sides of each linkage rod 61; the first catching jaw 313 allows the linkage rod 61 to slide only in the front-rear direction.

Second clamping claw groups for installing the corresponding stop push plates 62 are respectively formed at the lower ends of the body supporting plates 31; the second clamping jaw group comprises two symmetrically arranged second clamping jaws 314 which are respectively positioned at two sides of each stop push plate 62; the second catching jaw 314 allows the stopper push plate 62 to slide only in the left-right direction.

A driving groove 431 is formed on the outer wall of each stopping part 43; and a driving clamping block 621 fixedly clamped with the corresponding driving groove 431 is respectively formed at one end of each stopping push plate 62 close to the corresponding stopping part 43.

A spring 63 for moving the stopper push plate 62 away from the leg rotating tube a312 is provided between each stopper push plate 62 and the body supporting plate 31; the lower end of the body supporting plate 31 is formed with a spring mounting plate 316 for mounting the corresponding spring 63.

One end of each stop push plate 62, which is far away from the corresponding driving latch 621, is formed with a driving inclined groove 622 which is arranged obliquely; a sliding head 611 slidably connected with the corresponding driving inclined groove 622 is formed on one side of each linkage rod 61 close to the corresponding driving block 621.

When the linkage rod 61 moves towards the front end, the sliding head 611 slides along the driving inclined groove 622, so that the stopping push plate 62 moves towards the corresponding leg rotating tube a312, and then the driving block 621 drives the driving groove 431 to move, and further the stopping part 43 moves close to the corresponding leg rotating tube a 312.

The back support assembly 5 comprises a back support plate 51 rotatably connected to the rear end of the body support plate 31 and a rotation motor 52 fixedly connected to the lower end of the body support plate 31 for driving the back support plate 51 to rotate.

The rotating motor 52 is a stepping motor or a servo motor; the rotation angle and the speed of the motor can be accurately controlled; the rotary motor 52 is electrically connected to the control module.

A rotary worm wheel 53 is fixedly connected to one end of the back support plate 51 close to the body support plate 31; the output shaft of the rotating motor 52 is fixedly connected with a rotating worm 521 which is in transmission connection with the rotating worm wheel 53 and is coaxially arranged with the output shaft; since the rotating worm 521 can drive the rotating worm wheel 53 to rotate, and the rotating worm wheel 53 cannot drive the rotating worm 521 to move, when the back support plate 51 rotates to the horizontal state, the rotating motor 52 is not required to provide a holding force for the back support plate 51.

A sliding push plate 612 is respectively formed at one end of each linkage rod 61 away from the sliding head 611; a driving plate 5111 which can be abutted against the corresponding sliding push plate 612 is respectively formed at the lower end of the back support plate 51; when the back support assembly 5 is flipped down, the linkage rod 61 is caused to move towards the front end.

The body supporting assembly 3 further comprises a leg supporting connecting shaft 32 rotatably connected to the front end of the body supporting plate 31, a back supporting connecting shaft 33 rotatably connected to the rear end of the body supporting plate 31, and a climbing motor 34 fixedly connected to the lower end of the body supporting plate 31 for driving the back supporting connecting shaft 33 to rotate.

The climbing motor 34 is a stepping motor or a servo motor; the rotation angle and the speed of the motor can be accurately controlled; the climb motor 34 is electrically connected to the control module.

Each frame body 1 comprises a shell 10 and a sealing cover 11 for sealing the shell 10; a horizontal sliding groove 102 which is horizontally arranged and is slidably connected with the leg supporting connecting shaft 32 and a vertical sliding groove 103 which is vertically arranged and is slidably connected with the back supporting connecting shaft 33 are respectively formed on one side of each shell 10 facing the body supporting plate 31.

Two ends of the leg support connecting shaft 32 are respectively and rotatably connected with a rotating wheel 321 which is slidably connected with the horizontal sliding groove 102.

Two ends of the back support connecting shaft 33 are respectively and fixedly connected with climbing gears 332; the middle part of the back support connecting shaft 33 is fixedly connected with a climbing worm wheel 331; the output shaft of the climbing motor 34 is fixedly connected with a climbing worm 341 which is in transmission connection with the climbing worm wheel 331 and is coaxial with the output shaft; a climbing rack 1031 which is vertically arranged and is in transmission connection with the corresponding climbing gear 332 is fixedly connected in each vertical sliding groove 103.

When the back support connecting shaft 33 is located at the lower end limit position, the body supporting plate 31 is relatively horizontal; when the back support connecting shaft 33 is located at the upper end limit position, the body supporting plate 31 is relatively vertical. At this moment, health supporting component 3 shank supporting component 4 back supporting component 5 all is located 1 rear portion of support body, the focus is located the rear, when recovered personnel recovered, stands or holds in the front portion for holistic focus is located the middle part, and the stability of product has obtained improving, has avoided recovered personnel's accident to fall down.

Each foot supporting part 45 is rotatably connected with a pedal 452 extending towards the middle of the two frame bodies 1 and used for supporting soles; when the body supporting plate 31 is in the vertical state for rehabilitation training of walking or standing, the pedal 452 is pushed so that the pedal 452 is folded upwards.

A plurality of back rotating pipes a311 are symmetrically formed at the rear end of the body supporting plate 31; a back rotating pipe b511 which is coaxial with the back rotating pipe a311 is formed at the lower end of the back supporting plate 51; the back rotating pipe b511 and the back rotating pipe a311 are respectively sleeved on the periphery of the back support connecting shaft 33; the back support connection shaft 33 enables the back rotation tube b511 and the back rotation tube a311 to coaxially rotate. And the back support connecting shaft 33 is rotated to enable the body supporting plate 31 to climb up near one end of the back support assembly 5.

A leg rotating pipe b412 which is coaxial with the leg rotating pipe a312 is formed at one end of the leg supporting plate 41 close to the body supporting plate 31; the leg rotating pipe b412 and the leg rotating pipe a312 are respectively sleeved on the periphery of the leg supporting connecting shaft 32. The leg support connecting shaft 32 enables the leg rotating tube a312 and the leg rotating tube b412 to coaxially rotate. And the leg support connecting shaft 32 slides along the horizontal sliding groove 102, so that one end of the body supporting plate 31 far away from the back supporting component 5 slides to one side of the back supporting component 5, and the body supporting plate 31 is changed into a vertical state from a horizontal state, thereby performing rehabilitation training of standing and walking.

The lower end of each frame body 1 is provided with a moving part 2; each moving part 2 respectively comprises a front wheel 21 fixedly connected to the lower end of the frame body 1 and located at the front part, a rear wheel 22 rotatably connected to the lower end of the frame body 1 and located at the rear part, a rotating shaft arranged along the left-right direction, and a moving motor 23 fixedly connected to the frame body 1 and used for driving the rear wheel 22 to rotate.

A rear wheel driving gear 22 is fixedly connected to one side of each rear wheel 22 facing the body supporting plate 31; a moving output gear 231 in transmission connection with the rear wheel driving gear 22 is fixedly connected to an output shaft of the moving motor 23.

The moving motor 23 is a stepping motor or a servo motor; the rotation angle and the speed of the motor can be accurately controlled; the moving motor 23 is electrically connected with the control module.

A handle 101 is formed at the rear end of each frame body 1; the product is pushed by holding the handle 101, so that the rehabilitation personnel are driven to move, and the product can be used as a wheelchair.

The back support assembly 5 further comprises armrests 512 fixedly connected to the front surface of the back support plate 51 and close to the left and right ends; the armrests 512 are provided with soft pads or rubber pads, so that the armrests are softer to contact with the body and more comfortable to use. A console 513 is disposed on one of the armrests 512. The console 513 is electrically connected with the control module; the console 513 is provided with a knee joint rehabilitation function selection key, a leg rehabilitation function selection key and a standing rehabilitation function selection key, and a setting key and a start-stop key corresponding to single functions; the rehabilitation training course is set according to different rehabilitation conditions of rehabilitation personnel, and the amplitude, time, frequency and other contents in each single rehabilitation training are set.

In the initial state, the position-limiting column 422 is located in the position-limiting rail 4512, the back support plate 51 and the leg support plate 41 are approximately perpendicular to the body support plate 31, and the step 452 is approximately parallel to the body support plate 31.

When the wheelchair is used, the movement of the wheelchair is controlled through the control console 513, the movement motor 23 works to enable the movement output gear 231 to rotate, and then the rear wheel driving gear 221 is driven to rotate, so that the rear wheel 22 rotates, and then the rehabilitation personnel are driven to move.

When the product is used for carrying out rehabilitation training on the knee joint, a rehabilitation person sits on the body supporting plate 31, two feet step on the pedal 452 respectively, and two hands hold the handrail 512 tightly respectively. The control button corresponding to the knee joint rehabilitation on the control console 513 is selected, then the corresponding start button is pressed, the rod body of the electric push rod 44 is pushed outwards, the sliding seat 451 abuts against the limiting part 413, and the rod body pushes the sliding seat 451 to enable the leg supporting plate 41 to turn upwards, so that the lower leg is driven to move upwards. Then, the rod body of the electric push rod 44 retracts inwards, the limiting post 422 abuts against the inner wall of the limiting rail 4512, and the rod body pulls the sliding seat 451 to turn the leg supporting plate 41 downwards, so as to drive the lower leg to move downwards. The console 513 controls the electric push rod 44 to push out and retract in a reciprocating mode, so that the lower leg moves upwards and downwards in a reciprocating mode, and the knee joint movement is achieved. According to the control program provided in the console 513, after a rehabilitation training session is completed, the electric putter 44 stops moving and the leg support plate 41 is located at the initial position. Through the console 513, the two leg support plates 41 can be set to move together or separately, the lifting amplitude and lifting time of the leg support plates 41 can also be set, and the rehabilitation training course can be set according to different rehabilitation situations of the rehabilitation personnel.

When the product is used for carrying out rehabilitation training on the legs, a rehabilitation person sits on the body supporting plate 31, two feet step on the pedals 452 respectively, and two hands hold the handrails 512 respectively. By selecting the corresponding "leg recovery" control button on console 513, the electric push rod 44 is pushed outward to the limit position where the leg support plate 41 is approximately parallel to the body support plate 31. The rotating motor 52 then rotates forward, causing the rotating worm 521 to rotate the rotating worm wheel 53, thereby causing the back support plate 51 to flip down to be approximately parallel to the body support plate 31. In the process, the driving plate 5111 pushes the sliding push plate 612 to move, so that the linkage rod 61 moves towards the direction away from the back support plate 51, the sliding head 611 on the linkage rod 61 moves along the driving inclined groove 622, and then the stopping push plate 62 moves towards the inner side, the driving clamping block 621 drives the driving groove 431 to move synchronously, so that the stopping portion 43 moves towards the inner side, the stopping portion 43 drives one end of the driving rod 42 to move, so that the driving rod 42 rotates around the middle rotating hole 421, and then the limiting post 422 moves towards the outer side along the limiting track 4512. When the back support plate 51 is flipped down to be approximately parallel to the body support plate 31, the stop tab 432 enters the stop notch 3121 and the spacing post 422 enters the communicating track 4511, at which time the spring 63 compresses.

Then, by operating the console 513, the rehabilitation time, the number of movements or the movement amplitude is adjusted, and then the corresponding start button is pressed, the rod body of the electric push rod 44 is retracted inwards, the limiting column 422 passes through the communicating track 4511, the leg supporting plate 41 is limited by the stop lug 432, the leg rotating pipe b412 cannot rotate, and the leg supporting plate 41 is kept in the position. The foot supporting part 45 slides along the sliding rail 411 under the driving of the rod body of the electric push rod 44, so that the foot moves towards the body, thereby realizing the movement of a plurality of joints of the leg. Then the rod body of the electric push rod 44 is controlled to be pushed outwards, the sliding rail 411 of the sliding seat 451 slides, and the feet return to the original position. According to the control program in the console 513, after a rehabilitation training course is completed, the electric push rod 44 stops moving and is located at the outer limit position. Through the console 513, two step supporting portions 45 can be set to move together or separately, the movement amplitude and time of the step supporting portions 45 can also be set, and the rehabilitation training course can be set according to different rehabilitation conditions of rehabilitation personnel. After the rehabilitation training is completed, the corresponding "leg rehabilitation" control button on the console 513 is selected again, and the rotating motor 52 rotates in the reverse direction, so that the back support plate 51 moves upward to the initial position. At this time, the stopping push plate 62 returns to the original position under the elastic force of the spring 63, and simultaneously drives the stopping portion 43 and the linkage rod 61 to return to the original position, so that the limiting column 422 enters the limiting track 4512, and the stopping protrusion 432 leaves the stopping notch 3121. The control console 513 controls the rod body of the electric push rod 44 to retract inwards, and the leg support plate 41 is driven by the electric push rod 44 to return to the initial position.

When the product is used for walking or standing rehabilitation training, the electric push rod 44 is pushed outwards to the limit position by selecting the corresponding 'standing rehabilitation' control key on the control console 513, and then the rotating motor 52 rotates forwards, so that the back support plate 51 and the leg support plate 41 are approximately parallel to the body support plate 31. Then, the climbing motor 34 rotates in the forward direction, the climbing worm 341 rotates to drive the climbing worm wheel 331 to rotate, so that the back support connecting shaft 33 rotates, and the climbing gears 332 at the two ends of the back support connecting shaft 33 rotate. The climbing gear 332 is engaged with the climbing rack 1031, and the climbing gear 332 moves upward along the vertical sliding slot 103 along with the rotation of the climbing motor 34. And at the same time, the rotating wheel 321 is driven to slide along the horizontal sliding groove 102. After the climbing gear 332 rotates for a certain number of turns, the movement stops, and when the climbing gear 332 moves to the upper end limit position along the climbing rack 1031, the body supporting plate 31 is close to being vertical to the ground, and the pedal 452 is manually stirred upwards, so that the pedal 452 is folded. So that the rehabilitation personnel can hold the handrail 512 stably and step on the ground with feet to perform rehabilitation training. After the rehabilitation training is completed, the pedal 452 is unfolded downwards, the corresponding 'standing rehabilitation' control button on the console 513 is selected again, the climbing motor 34 rotates reversely, so that the climbing gear 332 moves downwards along the vertical sliding groove 103, meanwhile, the rotating wheel 321 moves along the horizontal sliding groove 102, after the climbing gear 332 rotates for a certain number of turns, the movement is stopped, and at this time, the body support plate 31 moves to the initial position. The rotation motor 52 is rotated in the reverse direction so that the back support plate 51 is returned to the initial position, and then the electric push rod 44 retracts the lever body so that the leg support plate 51 is returned to the initial position.

According to the invention, the back support connecting shaft 33 is arranged, the body support plate 31 and the back support plate 51 are installed together through the back support connecting shaft 33, and the support plate 51 can rotate relative to the body support plate 31, so that the rehabilitation training of sitting posture or lying posture is carried out; meanwhile, the back support connecting shaft 33 can be rotated by the working of the climbing motor 34, so that the climbing gear 332 is rotated, the climbing gear 332 slides along the vertical sliding groove 103, the body supporting plate 31 moves to be perpendicular to the ground, and the rehabilitation training of standing postures is carried out, at the moment, the body supporting plate 31 is positioned on the rear side of the frame body 1, so that a rehabilitation worker is positioned between the two frame bodies 1, the center of the rehabilitation worker and the whole body of the rehabilitation training device is positioned between the frame bodies, the front wheels 21 and the rear wheels 22 are positioned around the rehabilitation worker, and the rehabilitation worker is more stable in the walking process and is not easy to fall down.

According to the invention, through the design of the sliding seat 451, when the limiting column 422 is positioned in the limiting track 4512, the electric push rod 44 moves to drive the leg supporting plate 41 to reciprocate, so as to drive the lower leg to lift up in a reciprocating manner, and thus the knee joint is subjected to rehabilitation training; when the position-limiting column 422 is located in the communicating track 4511, the electric push rod 44 moves to drive the foot supporting part 45 to move along the sliding track 411, and further drives the foot to reciprocate, so that the leg can be used for rehabilitation training.

According to the invention, through the design of the stopping part 43, when the stopping part 43 moves until the stopping lug 432 enters the stopping notch 3121, the leg supporting plate 41 and the body supporting plate 31 are relatively horizontal and kept relatively fixed, meanwhile, the stopping part 43 drives the driving rod 42 to move, so that the driving rod 42 rotates around the middle rotating hole 421, the limiting column 422 moves from the limiting track 4512 to the communicating track 4511, and the movement of the electric push rod 44 drives the sliding seat 451 to move along the sliding track 411, so as to drive the leg to perform rehabilitation training.

Claims

1. A medical multifunctional wheelchair is characterized in that: comprises two vertically and symmetrically arranged frame bodies and a horizontally arranged body supporting component arranged between the two frame bodies; the back support component is arranged at the rear end of the body support component in a left-right direction along a rotating shaft in a rotating manner; the front end of the body supporting component is positioned between the two frame bodies and is rotatably connected with two leg supporting components of which the rotating shafts are arranged along the left and right directions; each leg support component comprises a leg support plate, a foot support part, a driving rod and an electric push rod, wherein the leg support plate is arranged along the left-right direction of a rotating shaft which is rotatably connected to the front end of the body support component, the foot support part is connected to the leg support plate in a sliding manner along the length direction of the leg support plate, the driving rod is rotatably connected to the back of the leg support plate, the driving rod is perpendicular to the leg support plate, and the electric push rod is rotatably connected to the lower; the seat body of the electric push rod is rotationally connected to the lower part of the body supporting component; the rod body of the electric push rod is rotationally connected with the foot supporting part; a limiting column is formed at one end of each driving rod, which is far away from the body supporting component, and a sliding seat is formed at one end of each foot supporting part, which is close to the corresponding leg supporting component; each sliding seat is respectively provided with a limiting track which can be abutted against the limiting column and a communicating track which is used for communicating the limiting track with the outside;

when the limiting column is positioned in the limiting track, the electric push rod stretches the rod body in a reciprocating manner, so that the leg supporting component rotates in a reciprocating manner, and the knee joint is driven to move;

when the limiting column is positioned in the communicating track, the electric push rod stretches the rod body in a reciprocating manner, so that the foot supporting part moves in a reciprocating manner, and the leg part is driven to move;

2. The medical multifunctional wheelchair as claimed in claim 1, wherein: the body supporting component comprises a horizontally arranged body supporting plate which is arranged in the middle of the two frame bodies; leg rotating pipes a which are rotatably connected with the corresponding leg supporting plates are respectively formed at the front ends of the body supporting plates;

the leg supporting component also comprises a stopping part which is rotatably connected at the front end of the body supporting plate and has the same rotating shaft with the leg rotating pipe a; a stop lug is respectively formed on one side of each stop part facing the corresponding leg rotating pipe a; a locking notch which can be clamped with the corresponding locking lug is formed on one side, facing the corresponding locking part, of each leg part rotating pipe a;

the stopping part is connected with one end of the driving rod close to the body supporting component; a middle rotating hole which is rotatably connected with the leg supporting plate is formed in the middle of the driving rod;

when the limiting column is positioned in the communicating track, the stopping lug is positioned in the stopping notch, and at the moment, the leg supporting plate is relatively parallel to the body supporting plate;

3. The medical multifunctional wheelchair as claimed in claim 2, wherein: the lower end of the body supporting plate is provided with two transmission parts for driving the corresponding stopping parts to move; each transmission part comprises a linkage rod which is connected to the lower end of the body supporting plate in a sliding manner along the front-back direction and a stop push plate which is connected to the lower end of the body supporting plate in a sliding manner along the left-right direction;

a driving groove is formed in the outer wall of each stopping part; one end of each stop push plate, which is close to the corresponding stop part, is respectively formed with a driving clamping block fixedly clamped with the corresponding driving groove;

one end of each stop push plate, which is far away from the corresponding driving clamping block, is formed with a driving inclined groove which is obliquely arranged; a sliding head which is in sliding connection with the corresponding driving chute is formed on one side, close to the corresponding driving clamping block, of each linkage rod;

when the linkage rod moves towards the front end, the stopping part moves close to the corresponding leg rotating pipe a;

the back support assembly comprises a back support plate which is rotatably connected to the rear end of the body support plate and a rotating motor which is fixedly connected to the lower end of the body support plate and is used for driving the back support plate to rotate;

4. The medical multifunctional wheelchair as claimed in claim 3, wherein: the body supporting component also comprises a leg supporting connecting shaft which is rotatably connected to the front end of the body supporting plate, a back supporting connecting shaft which is rotatably connected to the back end of the body supporting plate and a climbing motor which is fixedly connected to the lower end of the body supporting plate and is used for driving the back supporting connecting shaft to rotate;

each frame body comprises a shell; a horizontal sliding groove which is horizontally arranged and is in sliding connection with the leg supporting connecting shaft and a vertical sliding groove which is vertically arranged and is in sliding connection with the back supporting connecting shaft are respectively formed on one side, facing the body supporting plate, of each shell;

two ends of the back support connecting shaft are respectively and fixedly connected with climbing gears; the vertical sliding grooves are respectively and fixedly connected with a climbing rack which is vertically arranged and is in transmission connection with the corresponding climbing gear;

5. The multifunctional wheelchair as claimed in claim 4, wherein: a plurality of back rotating pipes a are symmetrically formed at the rear end of the body supporting plate respectively; a back rotating pipe b which is coaxial with the back rotating pipe a is formed at the lower end of the back supporting plate; the back rotating pipe b and the back rotating pipe a are respectively sleeved on the periphery of the back supporting connecting shaft;

6. The multifunctional wheelchair as claimed in claim 5, wherein: the lower end of each frame body is provided with a moving part; each moving part comprises a front wheel fixedly connected to the front part of the lower end of the frame body, a rear wheel rotatably connected to the rear part of the lower end of the frame body and arranged along the left-right direction of a rotating shaft, and a moving motor fixedly connected to the frame body and used for driving the rear wheel to rotate.

7. The multifunctional wheelchair as claimed in claim 5, wherein: the back support component also comprises handrails which are fixedly connected with the front surface of the back support plate and are close to the left end and the right end; a console is arranged on one of the handrails.