CN210472429U

CN210472429U - Wheel chair

Info

Publication number: CN210472429U
Application number: CN201920645382.1U
Authority: CN
Inventors: 侯建华; 葛胜男; 谷岳; 秦敬波
Original assignee: Heze University
Current assignee: Heze University
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-05-08
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a wheelchair, which comprises a frame, the equal fixed mounting in both sides of frame has the shaft, and the epaxial rotation cover of wheel is equipped with the inner ring circle, the both sides of frame all are equipped with the wheel, be annular fixed mounting between the inboard of wheel and the outside of the inner ring circle that corresponds and have a plurality of spokes, the equal fixed mounting in one side that two wheels kept away from each other has manual helping hand, the rear side fixed mounting of frame has the baffle, one side fixed mounting of baffle has wheelchair drive case, one side of wheelchair drive case is rotated and is installed right crank, right crank's one side is rotated and is installed right connecting rod, the bottom fixed mounting of frame has the chassis, the top fixed mounting on chassis has the battery, and the bottom of frame is rotated and is installed two universal wheels. The utility model discloses simple structure, convenient operation is convenient for take exercise according to actual low limbs to the patient, prevents that limb blood from not leading to, and various symptoms appear, satisfies the operation needs, is favorable to the use.

Description

Wheel chair

Technical Field

The utility model relates to a wheelchair technical field especially relates to a wheelchair.

Background

The wheelchair is the most frequently used auxiliary appliance in daily life, the wheelchair skill influences the life quality and social participation of disabled patients, the rehabilitation activities of the existing lower limb disabled patients are basically completed by means of rehabilitation nursing homes, the wheelchair is expensive and inconvenient, meanwhile, the common wheelchair has a single function, most of the people who take the wheelchair are not deficient in the lower limbs, only are the lower limbs paralyzed, and the patients need to increase the lower limb activities to be beneficial to health, but the wheelchair only can enable the lower limbs to lack the movement, and the lower limb blood is obstructed due to long-term sitting quietly, various symptoms such as muscular atrophy, necrosis, paralysis or complete paralysis occur, and the like, so the wheelchair is proposed all the time to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a wheelchair.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wheelchair comprises a frame, wheel shafts are fixedly mounted on two sides of the frame, inner ring rings are sleeved on the wheel shafts in a rotating mode, wheels are arranged on two sides of the frame, a plurality of wheel strips are fixedly mounted between the inner sides of the wheels and the outer sides of the corresponding inner ring rings in an annular mode, manual power assistance is fixedly mounted on the side, away from each other, of each of the two wheels, a baffle is fixedly mounted on the rear side of the frame, a wheelchair driving box is fixedly mounted on one side of the baffle, a right crank is rotatably mounted on one side of the wheelchair driving box, a right connecting rod is rotatably mounted on one side of the right crank, a chassis is fixedly mounted at the bottom of the frame, a battery is fixedly mounted at the top of the chassis, two universal wheels are rotatably mounted at the bottom of the frame, a left crank is rotatably mounted on the other side of the wheelchair, the bottom of the frame is fixedly provided with two rocker backrests, one side of each rocker backrest, which is close to each other, is rotatably provided with a pedal plate, the tops of the two pedal plates are respectively and fixedly connected with the front end of a right connecting rod and the front end of a left connecting rod, the frame is fixedly provided with two side protection plates, one side of each side protection plate, which is close to each other, is rotatably provided with the same rotary seat, one side of the frame is fixedly provided with a counter, the top of the frame is fixedly provided with two telescopic rods, the top ends of the telescopic rods are fixedly provided with telescopic handrails, the rear side of the baffle is fixedly provided with a double-shaft driving motor, two output shafts of the double-shaft driving motor are fixedly sleeved with first gears, the rear side of the baffle is rotatably provided with two rotating rods, one of the two rotating rods is fixedly sleeved with a second gear, and the second gear is, the chain gears are fixedly sleeved on the two rotating rods, a crank wheel bearing positioned below the double-shaft driving motor is installed on the rear side of the baffle in a rotating mode, a steering engine positioned below the double-shaft driving motor is fixedly installed on the rear side of the baffle in a rotating mode, a third gear is fixedly sleeved on the crank wheel bearing in a fixing mode, a brake contracting device is arranged at the top of the steering engine, a shifting piece is arranged on one side of the brake contracting device, a fourth gear is fixedly sleeved on the other rotating rod and meshed with the other first gear, the fourth gear is meshed with the third gear, one side, close to a left crank, of the right crank is fixedly connected with one end of the crank wheel bearing, one side, close to the right crank, of the left crank is fixedly connected with the other end of the crank wheel bearing, two chain wheels are fixedly sleeved on a wheel shaft, and the same chain is connected between the chain wheels and, the utility model discloses a rotary pedal, including frame, fixed sleeve, locating pin, rotatory resistance axle, rotatory pedal rod, rotatory pedal fixed mounting, fixed sleeve, rotatory pedal rod, rotatory resistance axle's front side fixed mounting has two circular plates, and the rotary rod is installed in the rotation between two circular plates, and the equal fixed mounting in both ends of rotary rod has rotatory pedal rod, and the one end that rotatory pedal rod kept away from the rotary rod is rotated and is installed rotatory footboard, fixed cover is equipped with first bevel gear on the rotary rod, the front end fixed mounting of rotatory resistance axle has second bevel gear, and first bevel gear meshes with second bevel gear mutually.

Preferably, the two rotating pedals are fixedly mounted on the side close to each other with a first bearing, a first pin shaft is fixedly mounted in an inner ring of the first bearing in a fixed sleeve mode, and one end, close to the rotating rod, of the first pin shaft is fixedly connected with one side, far away from the rotating rod, of the corresponding rotating pedal rod.

Preferably, the two circular plates are fixedly provided with first bearings on the sides close to each other, and the inner rings of the two first bearings are fixedly sleeved with the outer sides of the rotating rods.

Preferably, a second bearing is fixedly mounted on one side, close to each other, of each of the two side surface protection plates, second pin shafts are fixedly mounted on two sides of the rotary seat, and inner rings of the second bearings are fixedly sleeved with the outer sides of the corresponding second pin shafts.

Preferably, an infrared sensor is fixedly installed in the pedal plate, and a single chip microcomputer is fixedly installed in the counter.

Preferably, the infrared sensor is electrically connected with the single chip microcomputer through a conducting wire, the sensor is electrically connected with the single chip microcomputer through a conducting wire, and the counter is electrically connected with the battery through a conducting wire.

Preferably, two through holes are formed in the front side of the baffle, and the side walls of the through holes are not in contact with the outer sides of the corresponding chains.

Compared with the prior art, the beneficial effects of the utility model are that:

through the arrangement of wheels, wheel shafts, spokes, a wheelchair driving box, a right crank, a right connecting rod, a chassis, manual power assistance, a battery, a universal wheel, a pedal plate, a rocker backrest, a rotary pedal, a sensor, a pedal rotary stretching rod, a side protection plate, a rotary seat, a counter, a telescopic rod, a telescopic handrail, a double-shaft driving motor, a first gear, a second gear, a rotary rod, a sprocket gear, a crank wheel bearing, a steering engine, a third gear, a brake clasper, a shifting fork, a fourth gear, a baffle, a sprocket wheel, a chain, a left crank, a left connecting rod, a positioning pin, a fixing sleeve, a rotary resistance shaft, a first bevel gear, a second bevel gear, a rotary pedal rod and a frame, medical personnel adjust the rotary pedal to a proper position by pulling the pedal rotary stretching rod, a patient steps on the rotary pedal with force, and the rotary pedal drives the rotary rod to rotate through the rotary pedal rod, the rotating rod drives the first bevel gear to rotate through the second bevel gear, the first bevel gear drives the rotating resistance shaft to rotate, the sensor detects the number of turns of the rotating resistance shaft, the sensor transmits information to the single chip microcomputer through a transmission line, the number of turns of the rotating is displayed on the counter by the single chip microcomputer, when a patient needs to exercise legs, the patient puts feet on the pedal plate, the double-shaft driving motor works, the double-shaft driving motor drives the first gear to rotate, the first gear rotates to drive the second gear and the fourth gear to rotate, the fourth gear rotates through the third gear to drive the crank wheel bearing to rotate, when the crank wheel bearing rotates for the first half turn, the crank wheel bearing rotates to drive the right crank and the left crank to rotate, the right crank drives the right connecting rod to move forwards, the left crank drives the left connecting rod to move forwards, the right connecting rod and the left connecting rod both drive the pedal plate to swing forwards, when the crank wheel bearing, crank wheel bearing rotates and drives right crank and left crank rotation, right crank drives right connecting rod rearward movement, left crank drives left connecting rod rearward movement, right connecting rod and left connecting rod all drive the running-board and swing backward, temper patient's shank, medical personnel can fix the running-board in suitable position through the dead rocker back of band-type brake card, patient upwards stimulates flexible handrail, flexible handrail drives the telescopic link rebound that corresponds and arrives suitable position, stretch the exercise, patient holds flexible handrail, the foot is stepped on and can be walked on the running-board and take exercise, infrared sensor detects the wobbling number of times of running-board, infrared sensor transmits information transfer for the singlechip through the conduction line, the singlechip shows the wobbling number of times on the counter.

The utility model discloses simple structure, convenient operation is convenient for take exercise according to actual low limbs to the patient, prevents that limb blood from not leading to, and various symptoms appear, satisfies the operation needs, is favorable to the use.

Drawings

FIG. 1 is a schematic side view of a wheelchair according to the present invention;

FIG. 2 is a rear view of the wheelchair drive box of FIG. 1;

FIG. 3 is an interior perspective view of the wheelchair drive box of FIG. 2;

FIG. 4 is a schematic top view of the rotatable pedal of FIG. 1;

FIG. 5 is a schematic diagram of the internal circuit configuration of the sensor of FIG. 1;

fig. 6 is a schematic diagram of an internal circuit structure of the counter in fig. 1.

In the figure: the wheelchair comprises 1 wheel, 2 wheel shafts, 3 wheel bars, 4 wheelchair driving boxes, 5 right cranks, 6 right connecting rods, 7 chassis, 8 manual power assistance, 9 batteries, 10 universal wheels, 11 foot pedals, 12 rocker backrests, 13 rotating pedals, 14 sensors, 15 pedal rotating stretching rods, 16 side protection plates, 17 rotating seats, 18 counters, 19 telescopic rods, 20 telescopic handrails, 21 double-shaft driving motors, 22, first gears, 23 second gears, 24 rotating rods, 25 chain gears, 26 crank wheel bearings, 27 steering gears, 28 third gears, 29 brake claspers, 30 shifting forks, 31 fourth gears, 32 baffles, 33 chain wheels, 34 chains, 35 left cranks, 36 left connecting rods, 37 positioning pins, 38 fixing sleeves, 39 rotating resistance shafts, 40 first bevel gears, 41 second bevel gears, 42 rotating pedal rods and 43 frames.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, a wheelchair comprises a frame 43, wheel shafts 2 are fixedly mounted on both sides of the frame 43, inner rings are rotatably sleeved on the wheel shafts 2, wheels 1 are arranged on both sides of the frame 43, a plurality of spokes 3 are fixedly mounted between the inner sides of the wheels 1 and the outer sides of the corresponding inner rings in an annular shape, manual assistance 8 is fixedly mounted on the sides, away from each other, of the two wheels 1, a baffle 32 is fixedly mounted on the rear side of the frame 43, a wheelchair driving box 4 is fixedly mounted on one side of the baffle 32, a right crank 5 is rotatably mounted on one side of the wheelchair driving box 4, a right connecting rod 6 is rotatably mounted on one side of the right crank 5, a chassis 7 is fixedly mounted on the bottom of the frame 43, a battery 9 is fixedly mounted on the top of the chassis 7, two universal wheels 10 are rotatably mounted on the bottom of the frame 43, a left crank 35 is rotatably mounted on the other side of the, the bottom of the frame 43 is fixedly provided with two rocker backrests 12, one side of each rocker backrest 12 close to each other is rotatably provided with a pedal 11, the tops of the two pedals 11 are respectively fixedly connected with the front end of the right connecting rod 6 and the front end of the left connecting rod 36, the frame 43 is fixedly provided with two side surface protection plates 16, one side of each side surface protection plate 16 close to each other is rotatably provided with the same rotary seat 17, one side of the frame 43 is fixedly provided with a counter 18, the model of the counter 18 is SWP-TC-C803, the top of the frame 43 is fixedly provided with two telescopic rods 19, the top end of each telescopic rod 19 is fixedly provided with a telescopic handrail 20, the rear side of the baffle plate 32 is fixedly provided with a double-shaft driving motor 21, the model of the double-shaft driving motor 21 is HEM-17D6005-09, two output shafts of the double, two rotating rods 24 are rotatably mounted at the rear side of the baffle 32, a second gear 23 is fixedly sleeved on one rotating rod 24 of the two rotating rods 24, the second gear 23 is meshed with one first gear 22 of the two first gears 22, chain gears 25 are fixedly sleeved on the two rotating rods 24, a crank wheel bearing 26 positioned below the double-shaft driving motor 21 is rotatably mounted at the rear side of the baffle 32, a steering gear 27 positioned below the double-shaft driving motor 21 is fixedly mounted at the rear side of the baffle 32, a third gear 28 is fixedly sleeved on the crank wheel bearing 26, a brake clasper 29 is arranged at the top of the steering gear 27, the model of the brake clasper 29 is NAB-20T, a shifting plate 30 is arranged at one side of the brake clasper 29, a fourth gear 31 is fixedly sleeved on the other rotating rod 24, the fourth gear 31 is meshed with the other first gear 22, and the fourth gear 31 is meshed with the third gear 28, one side of the right crank 5 close to the left crank 35 is fixedly connected with one end of the crank wheel bearing 26, one side of the left crank 35 close to the right crank 5 is fixedly connected with the other end of the crank wheel bearing 26, two chain wheels 33 are fixedly sleeved on the wheel shaft 2, the chain wheels 33 and the corresponding chain gears 25 are connected with the same chain 34 in a transmission manner, a pedal stretching rotary rod 15 is fixedly installed on the front side of the baffle plate 32, a fixing sleeve 38 is movably sleeved on the outer side of the pedal stretching rotary rod 15, a positioning pin 37 is arranged at the top of the fixing sleeve 38, the positioning pin 37 is matched with the pedal stretching rotary rod 15, a rotary resistance shaft 39 is fixedly sleeved in the fixing sleeve 38, a sensor 14 is fixedly installed on one side of the rotary resistance shaft 39, the model of the sensor 14 is HYD2048H, two circular plates are fixedly installed on the front side of the frame 43, a rotary rod is rotatably installed between, one end of a rotary foot pedal rod 42 far away from the rotary rod is rotatably provided with a rotary pedal 13, the rotary rod is fixedly sleeved with a first bevel gear 40, the front end of a rotary resistance shaft 39 is fixedly provided with a second bevel gear 41, the first bevel gear 40 is meshed with the second bevel gear 41, and the rotary foot pedal is connected with a wheel 1, a wheel shaft 2, a wheel strip 3, a wheelchair driving box 4, a right crank 5, a right connecting rod 6, a chassis 7, a manual power assisting 8, a battery 9, a universal wheel 10, a pedal 11, a rocker backrest 12, a rotary pedal 13, a sensor 14, a foot rotary stretching rod 15, a side protection plate 16, a rotary seat 17, a counter 18, a telescopic rod 19, a telescopic armrest 20, a double-shaft driving motor 21, a first gear 22, a second gear 23, a rotary rod 24, a chain gear 25, a crank wheel bearing 26, a steering engine 27, a third gear 28, a brake 29, a shifting fork, The chain wheel 33, the chain 34, the left crank 35, the left connecting rod 36, the positioning pin 37, the fixing sleeve 38, the rotating resistance shaft 39, the first bevel gear 40, the second bevel gear 41, the rotating foot pedal rod 42 and the frame 43 are matched, the medical staff adjusts the rotating pedal 13 to a proper position by pulling the foot-operated rotating stretching rod 15, the patient forcibly steps on the rotating pedal 13, the rotating pedal 13 drives the rotating rod to rotate by the rotating foot pedal rod 42, the rotating rod drives the first bevel gear 40 to rotate by the second bevel gear 41, the rotating resistance shaft 39 rotates by the first bevel gear 40, the sensor 14 detects the number of turns of the rotating resistance shaft 39, the sensor 14 transmits information to the single chip microcomputer by a transmission wire, the single chip microcomputer displays the number of turns on the counter 18, when the patient needs to exercise the legs, the patient puts the feet on the foot pedal 11, the double-shaft driving motor 21 works, the double-shaft driving motor 21 drives the first gear, the first gear 22 rotates to drive the second gear 23 and the fourth gear 31 to rotate, the fourth gear 31 drives the crank wheel bearing 26 to rotate through the rotation of the third gear 28, when the crank wheel bearing 26 rotates for the first half circle, the crank wheel bearing 26 rotates to drive the right crank 5 and the left crank 35 to rotate, the right crank 5 drives the right connecting rod 6 to move forward, the left crank 35 drives the left connecting rod 36 to move forward, the right connecting rod 6 and the left connecting rod 36 both drive the pedal 11 to swing forward, when the crank wheel bearing 26 rotates for the second half circle, the crank wheel bearing 26 rotates to drive the right crank 5 and the left crank 35 to rotate, the right crank 5 drives the right connecting rod 6 to move backward, the left crank 35 drives the left connecting rod 36 to move backward, the right connecting rod 6 and the left connecting rod 36 both drive the pedal 11 to swing backward, the leg of the patient is exercised, the medical staff can fix the pedal 11 at a proper position by locking the rocker backrest through the lock device 29, patient upwards stimulates flexible handrail 20, and flexible handrail 20 drives the telescopic link 19 that corresponds and upwards moves to suitable position, stretches the exercise, and patient holds flexible handrail 20, and the foot is stepped on and can be walked on running-board 11 and take exercise, and infrared sensor detects the number of times of running-board 11 wobbling, and infrared sensor passes through the conducting wire and gives the singlechip information transfer, and the singlechip shows wobbling number of times on counter 18, the utility model discloses simple structure, convenient operation is convenient for take exercise to patient's low limbs according to actual, prevents that limb blood is obstructed, various symptoms appear, satisfies the user demand, is favorable to using.

In the utility model, the first bearings are fixedly installed on the adjacent sides of two rotary pedals 13, the first pin shaft is fixedly installed in the inner ring of the first bearing, the end of the first pin shaft close to the rotary rod is fixedly connected with the corresponding side of the rotary pedal rod 42 far from the rotary rod, the first bearing is fixedly installed on the adjacent side of two circular plates, the inner ring of the first bearing is fixedly sleeved with the outer side of the rotary rod, the second bearing is fixedly installed on the adjacent side of two side protection plates 16, the second pin shaft is fixedly installed on the two sides of the rotary seat 17, the inner ring of the second bearing is fixedly sleeved with the outer side of the corresponding second pin shaft, the infrared sensor is fixedly installed in the pedal 11, the infrared sensor is IRT/C.01, the single chip microcomputer is fixedly installed in the counter 18, the single chip microcomputer is STC12, the infrared sensor is electrically connected with the single chip microcomputer through a conducting wire, the sensor is electrically connected with the singlechip through a conducting wire, the counter 18 is electrically connected with the battery 9 through a conducting wire, two through holes are formed in the front side of the baffle 32, the side walls of the through holes are not in contact with the outer side of the corresponding chain 34, and the through holes are formed through the arranged wheels 1, wheel shafts 2, wheel strips 3, a wheelchair driving box 4, a right crank 5, a right connecting rod 6, a chassis 7, a manual power assisting 8, the battery 9, a universal wheel 10, a pedal plate 11, a rocker backrest 12, a rotary pedal 13, the sensor 14, a pedal rotary stretching rod 15, a side protection plate 16, a rotary seat 17, the counter 18, a telescopic rod 19, a telescopic armrest 20, a double-shaft driving motor 21, a first gear 22, a second gear 23, a rotary rod 24, a chain gear 25, a crank wheel bearing 26, a steering engine 27, a third gear 28, a brake clasper 29, a 30, a fourth gear 31, the baffle 32, a chain wheel, The left connecting rod 36, the positioning pin 37, the fixed sleeve 38, the rotating resistance shaft 39, the first bevel gear 40, the second bevel gear 41, the rotating pedal rod 42 and the frame 43 are matched, medical staff adjust the rotating pedal 13 to a proper position by pulling the pedal rotating stretching rod 15, the patient forcibly steps on the rotating pedal 13, the rotating pedal 13 drives the rotating rod to rotate through the rotating pedal rod 42, the rotating rod drives the first bevel gear 40 to rotate through the second bevel gear 41, the first bevel gear 40 drives the rotating resistance shaft 39 to rotate, the sensor 14 detects the number of turns of the rotating resistance shaft 39, the sensor 14 transmits information to the single chip microcomputer through a transmission line, the single chip microcomputer displays the number of turns of the rotating on the counter 18, when the patient needs to exercise legs, the patient puts feet on the pedal 11, the double-shaft driving motor 21 works, the double-shaft driving motor 21 drives the first gear 22 to rotate, the first gear 22 rotates to drive the second gear 23 and the fourth gear 31 to rotate, the fourth gear 31 drives the crank wheel bearing 26 to rotate through the rotation of the third gear 28, when the crank wheel bearing 26 rotates for the first half circle, the crank wheel bearing 26 rotates to drive the right crank 5 and the left crank 35 to rotate, the right crank 5 drives the right connecting rod 6 to move forward, the left crank 35 drives the left connecting rod 36 to move forward, the right connecting rod 6 and the left connecting rod 36 both drive the pedal 11 to swing forward, when the crank wheel bearing 26 rotates for the second half circle, the crank wheel bearing 26 rotates to drive the right crank 5 and the left crank 35 to rotate, the right crank 5 drives the right connecting rod 6 to move backward, the left crank 35 drives the left connecting rod 36 to move backward, the right connecting rod 6 and the left connecting rod 36 both drive the pedal 11 to swing backward, the leg of the patient is exercised, the medical staff can fix the pedal 11 at a proper position by locking the rocker backrest through the lock device 29, patient upwards stimulates flexible handrail 20, and flexible handrail 20 drives the telescopic link 19 that corresponds and upwards moves to suitable position, stretches the exercise, and patient holds flexible handrail 20, and the foot is stepped on and can be walked on running-board 11 and take exercise, and infrared sensor detects the number of times of running-board 11 wobbling, and infrared sensor passes through the conducting wire and gives the singlechip information transfer, and the singlechip shows wobbling number of times on counter 18, the utility model discloses simple structure, convenient operation is convenient for take exercise to patient's low limbs according to actual, prevents that limb blood is obstructed, various symptoms appear, satisfies the user demand, is favorable to using.

The working principle is as follows: when a patient needs to exercise feet, the rotating seat 17 is rotated, the patient sits on the rotating seat 17, the rotating pedal 13 is adjusted to a proper position by pulling the pedal rotating stretching rod 15, the fixed sleeve 38 and the pedal rotating stretching rod 15 are fixed through the positioning pin 37, the patient forcibly steps on the rotating pedal 13, the rotating pedal 13 drives the rotating pedal rod 42 to rotate, the rotating pedal rod 42 drives the rotating rod to rotate, the rotating rod drives the second bevel gear 41 to rotate, under the meshing action of the second bevel gear 41 and the first bevel gear 40, the second bevel gear 41 drives the first bevel gear 40 to rotate, the first bevel gear 40 drives the rotating resistance shaft 39 to rotate, the rotating resistance shaft 39 drives the fixed sleeve 38 to rotate, the fixed sleeve 38 drives the pedal rotating stretching rod 15, the sensor 14 detects the number of rotating turns of the rotating resistance shaft 39, and the sensor 14 transmits information to the single chip microcomputer through a transmission line, the number of turns of rotation of the single chip microcomputer is displayed on the counter 18, when a patient needs to exercise legs, the patient puts feet on the pedal 11, the double-shaft driving motor 21 works, the double-shaft driving motor 21 drives the first gear 22 to rotate, under the action that one first gear 22 is meshed with the second gear 23 and the other first gear 22 is meshed with the fourth gear 31, the first gear 22 rotates to drive the second gear 23 and the fourth gear 31 to rotate, under the action that the fourth gear 31 is meshed with the third gear 28, the fourth gear 31 rotates to drive the third gear 28 to rotate, the third gear 28 rotates to drive the crank wheel bearing 26 to rotate, when the crank wheel bearing 26 rotates for the first half turn, the crank wheel bearing 26 rotates to drive the right crank 5 and the left crank 35 to rotate, the right crank 5 drives the right connecting rod 6 to move forwards, the left crank 35 drives the left connecting rod 36 to move forwards, the right connecting rod 6 and the left connecting rod 36 both drive the pedal 11 to swing forwards, when the crank wheel bearing 26 rotates for the second half of a turn, the crank wheel bearing 26 rotates to drive the right crank 5 and the left crank 35 to rotate, the right crank 5 drives the right connecting rod 6 to move backwards, the left crank 35 drives the left connecting rod 36 to move backwards, the right connecting rod 6 and the left connecting rod 36 both drive the pedal 11 to swing backwards, exercise patient's shank, medical personnel can fix running-board 11 in suitable position through the dead rocker back of band-type brake ware 29 card, patient upwards stimulates flexible handrail 20, flexible handrail 20 drives the telescopic link 19 that corresponds and upwards moves to suitable position, stretch the exercise, patient holds flexible handrail 20, the foot is stepped on and can be walked on running-board 11 and take exercise, infrared sensor detects the number of times of running-board 11 wobbling, infrared sensor transmits information transfer for the singlechip through the conduction line, the singlechip shows the number of times of wobbling on counter 18.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A wheelchair comprises a frame (43), wheel shafts (2) are fixedly mounted on two sides of the frame (43), inner rings are sleeved on the wheel shafts (2) in a rotating mode, wheels (1) are arranged on two sides of the frame (43), a plurality of wheel strips (3) are fixedly mounted between the inner sides of the wheels (1) and the outer sides of the corresponding inner rings in an annular mode, manual power assisting devices (8) are fixedly mounted on one sides, far away from each other, of the two wheels (1), and is characterized in that a baffle (32) is fixedly mounted on the rear side of the frame (43), a wheelchair driving box (4) is fixedly mounted on one side of the baffle (32), a right crank (5) is rotatably mounted on one side of the wheelchair driving box (4), a right connecting rod (6) is rotatably mounted on one side of the right crank (5), and a chassis (7) is fixedly mounted at the bottom of the frame (43), the wheelchair comprises a chassis (7), a battery (9) is fixedly mounted at the top of the chassis (7), two universal wheels (10) are rotatably mounted at the bottom of a frame (43), a left crank (35) is rotatably mounted at the other side of a wheelchair driving box (4), a left connecting rod (36) is rotatably mounted at one side of the left crank (35), two rocker backs (12) are fixedly mounted at the bottom of the frame (43), pedals (11) are rotatably mounted at the mutually close sides of the two rocker backs (12), the tops of the two pedals (11) are respectively fixedly connected with the front end of a right connecting rod (6) and the front end of the left connecting rod (36), two side protection plates (16) are fixedly mounted on the frame (43), the same rotary seat (17) is rotatably mounted at the mutually close sides of the two side protection plates (16), a counter (18) is fixedly mounted at one side of the frame (43), two telescopic rods (19) are fixedly mounted at the top of the frame (43), a telescopic handrail (20) is fixedly mounted at the top end of each telescopic rod (19), a double-shaft driving motor (21) is fixedly mounted at the rear side of each baffle plate (32), first gears (22) are fixedly sleeved on two output shafts of the double-shaft driving motor (21), two rotating rods (24) are mounted at the rear side of each baffle plate (32) in a rotating manner, a second gear (23) is fixedly sleeved on one rotating rod (24) of the two rotating rods (24), the second gear (23) is meshed with one first gear (22) of the two first gears (22), chain gears (25) are fixedly sleeved on the two rotating rods (24), a crank wheel bearing (26) located below the double-shaft driving motor (21) is mounted at the rear side of each baffle plate (32) in a rotating manner, a steering engine (27) located below the double-shaft driving motor (21) is fixedly mounted at the rear side of each baffle plate (32), the fixed cover is equipped with third gear (28) on crank wheel bearing (26), the top of steering wheel (27) is equipped with band-type brake ware (29), one side of band-type brake ware (29) is equipped with plectrum (30), fixed cover is equipped with fourth gear (31) on another dwang (24), and fourth gear (31) meshes with another first gear (22) mutually, fourth gear (31) mesh with third gear (28) mutually, one side that right crank (5) are close to left crank (35) and the one end fixed connection of crank wheel bearing (26), one side that left crank (35) are close to right crank (5) and the other end fixed connection of crank wheel bearing (26), fixed cover is equipped with two sprocket (33) on shaft (2), the transmission is connected with same chain (34) between sprocket (33) and the corresponding sprocket (25), the front side fixed mounting of baffle (32) has pedal tensile rotary rod (15), and pedal tensile rotary rod (15) outside activity cover is equipped with fixed sleeve (38), the top of fixed sleeve (38) is equipped with locating pin (37), and locating pin (37) cooperatees with pedal tensile rotary rod (15), and fixed cover is equipped with rotatory resistance axle (39) in fixed sleeve (38), one side fixed mounting of rotatory resistance axle (39) has sensor (14), the front side fixed mounting of frame (43) has two circular disks, rotates between two circular disks and installs the rotary rod, and the equal fixed mounting in both ends of rotary rod has rotatory pedal pole (42), and rotatory pedal pole (42) are kept away from the one end of rotary rod and are rotated and install rotatory footboard (13), fixed cover is equipped with first bevel gear (40) on the rotary rod, the front end fixed mounting of rotatory resistance axle (39) has second bevel gear (41), the first bevel gear (40) is meshed with the second bevel gear (41).

2. The wheelchair as claimed in claim 1, wherein a first bearing is fixedly mounted on each side of the two rotary pedals (13) adjacent to each other, a first pin is fixedly mounted in an inner ring of the first bearing, and one end of the first pin adjacent to the rotary rod is fixedly connected with one side of the corresponding rotary pedal rod (42) away from the rotary rod.

3. The wheelchair of claim 1, wherein the first bearings are fixedly mounted on the sides of the two circular plates close to each other, and inner rings of the two first bearings are fixedly sleeved on the outer sides of the rotating rods.

4. The wheelchair as claimed in claim 1, wherein a second bearing is fixedly mounted on each side of the two side protection plates (16) adjacent to each other, a second pin is fixedly mounted on each side of the swivel seat (17), and an inner ring of the second bearing is fixedly sleeved on an outer side of the corresponding second pin.

5. The wheelchair as claimed in claim 1, wherein an infrared sensor is fixedly mounted in the pedal (11), and a single-chip microcomputer is fixedly mounted in the counter (18).

6. The wheelchair as claimed in claim 5, wherein the infrared sensor is electrically connected to the singlechip via a conductive wire, the sensor is electrically connected to the singlechip via a conductive wire, and the counter (18) is electrically connected to the battery (9) via a conductive wire.

7. Wheelchair in accordance with claim 1, characterized in that the front side of the baffle (32) is provided with two perforations, the side walls of which do not touch the outside of the corresponding chain (34).