CN104382702A - Multifunctional rehabilitation wheelchair - Google Patents

Abstract

The invention discloses a multifunctional rehabilitation wheelchair, which includes a bracket, a lifting mechanism, a bed mechanism and a power device, and integrates multiple functions such as intelligent walking, walking rehabilitation, and multi-position adjustment. It can switch between three postures of sitting, lying and standing, as well as walking rehabilitation training. This multifunctional rehabilitation wheelchair has complete functions, convenient operation, and compact structure, which can meet the different needs of different groups of people, reduce the difficulty of manual physical therapy and nursing, promote the early recovery of patients, and relieve the burden on society and families.

Description

A multifunctional rehabilitation wheelchair

technical field

The invention relates to the field of rehabilitation wheelchairs, in particular to a multifunctional rehabilitation wheelchair.

Background technique

The huge number of physically disabled people and the increasingly serious problem of social aging have created and spawned a new industry of physical rehabilitation medical equipment. Most of the elderly and disabled people have different degrees of loss of mobility, and their medical care and nursing have become a huge pressure on society. . At present, domestic high-end rehabilitation robots are mainly imported from foreign countries, but they are expensive and unaffordable for ordinary families. However, the technology of domestic self-developed and produced rehabilitation machine nursing equipment is not mature enough, the degree of mechanization and automation is not high, and additional manual assistance is required.

Aiming at the existing situation, the present invention designs a multifunctional rehabilitation wheelchair, aiming at replacing human labor with robots, reducing the difficulty of manual physical therapy and nursing, so as to promote the rehabilitation of patients, thereby alleviating the burden on society and families.

SUMMARY OF THE INVENTION The object of the present invention is to provide a multifunctional rehabilitation wheelchair to overcome the deficiencies in the prior art, to solve the rehabilitation and nursing problems of the elderly and the disabled, and to reduce the difficulty of rehabilitation nursing.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A multifunctional rehabilitation wheelchair is characterized in that it includes a bracket, a lifting mechanism, a bed mechanism, and a power device, wherein:

Described support comprises the underframe U-shaped tube that lays flatly, and each U-shaped arm of underframe U-shaped tube is respectively welded with vertical support frame, is formed by underframe U-shaped tube, two support frames;

The lifting mechanism includes a U-shaped fixed bracket, a movable bracket, and a pair of lifting electric push rods that are placed horizontally respectively. The arm ends are welded one by one on the inner side of the middle of the two support frames. The movable support is arranged behind the upper parts of the two support frames. The two U-shaped arm ends of the movable support are respectively connected with connecting rods extending downward, and the bottom of the connecting rod One end is hinged to the two U-shaped arm ends of the fixed bracket, and the two lifting electric push rods are arranged symmetrically. The fixed ends of the two lifting electric push rods are respectively hinged on the U-shaped beam of the U-shaped tube of the chassis. The telescopic rods of the electric push rods extend upward respectively, and the rod ends of the telescopic rods of the two lifting electric push rods are respectively hinged on the U-shaped beams of the movable bracket, and the lifting mechanism is composed of a fixed bracket, a movable bracket, and two lifting electric push rods. ;

The bed mechanism is arranged between two support frames, and the bed mechanism includes a vertically arranged back mechanism plate, a head support plate fixedly connected to the top of the back mechanism plate, a pair of back mechanism plates mounted on the back mechanism plate through the same rotating shaft The thigh mechanism plate at the bottom, the calf mechanism plate installed at the bottom of the thigh mechanism plate, and the pedals installed at the bottom of the calf mechanism plate are rotated respectively, and the rotating shaft connecting the back structure plate and the two thigh mechanism plates is installed on the U-shaped movable bracket. mouth;

The power device includes an upper support electric push rod, a pair of middle support electric push rods and a pair of lower support electric push rods respectively arranged vertically, and the fixed end of the upper support electric push rod is hinged to the movable bracket of the lifting mechanism. On the top surface of the U-shaped beam, the telescopic rod in the upper support electric push rod extends upwards, and the end of the telescopic rod of the upper support electric push rod is hinged on the rear side of the back mechanism plate in the bed mechanism, and the fixed ends of the two middle support electric push rods are respectively hinged On the bottom surface of the U-shaped beam of the movable bracket in the lifting mechanism, the telescopic rods of the two supporting electric push rods extend downward, and the ends of the telescopic rods of the two supporting electric push rods are hinged one by one to the two leg mechanisms in the bed mechanism On the rear side of the board, the two lower supporting electric push rods are respectively located on the outer side below the two middle supporting electric push rods. The telescopic rod in the push rod extends downwards, and the rod ends of the two telescopic rods supporting the electric push rod are hinged to the rear sides of the two shank mechanism plates in the bed mechanism one by one.

The multifunctional rehabilitation wheelchair is characterized in that: in the U-shaped tube of the base frame, the two U-shaped arm ends of the U-shaped tube of the base frame are respectively rotated and installed with universal wheels, and the U-shaped tube of the U-shaped tube of the base frame The two ends of the profile beam are respectively rotatably provided with driving wheels.

The multifunctional rehabilitation wheelchair described above is characterized in that: the power device also includes a pair of motors, a supporting battery that supplies power to the motor, and the motor and its supporting battery are respectively arranged on a U-shaped bottom frame outside the support frame on each side. on the tube, and the two motors are connected to the two driving wheels in one-to-one corresponding transmission, and the battery also supplies power to the lifting electric push rod, the upper support electric push rod, the middle support electric push rod, and the lower support electric push rod respectively.

The multifunctional rehabilitation wheelchair is characterized in that armrests are respectively fixed on the tops of the two support frames in the bracket, and armrests are installed at the front ends of each armrest.

Compared with the prior art, the advantages of the present invention are: 1) Adopting a modular design concept, it has the characteristics of complete functions, convenient operation, compact structure, etc., and meets the different needs of different groups of people; 2) It integrates intelligent walking, walking Rehabilitation, multi-posture adjustment and other functions, use robots to replace human labor, and reduce the difficulty of manual physical therapy; 3) It conforms to the principles of ergonomics and embodies the "people-oriented" design concept.

Description of drawings

Fig. 1 is a schematic diagram of the principle of the human body structure five-bar mechanism set by a multifunctional rehabilitation wheelchair of the present invention.

Fig. 2 is a structural schematic diagram of a lifting mechanism of a multifunctional rehabilitation wheelchair of the present invention.

Fig. 3 is a schematic diagram of a sitting posture of a multifunctional rehabilitation wheelchair of the present invention.

Fig. 4 is a schematic diagram of a prone position of a multifunctional rehabilitation wheelchair of the present invention.

Fig. 5 is a vertical schematic diagram of a multifunctional rehabilitation wheelchair of the present invention.

Fig. 6 is a schematic diagram of walking rehabilitation training of a multifunctional rehabilitation wheelchair of the present invention.

detailed description

As shown in Figures 3-6, a multifunctional rehabilitation wheelchair includes a bracket A, a lifting mechanism B, a bed mechanism C, and a power device D, wherein:

The support A includes the U-shaped tube A1 of the base frame laid flat, and each U-shaped arm of the U-shaped tube A1 of the base frame is respectively welded with a vertically arranged support frame A2, which is composed of the U-shaped tube A1 of the base frame and two support frames A2 Bracket A;

The lifting mechanism B includes a U-shaped fixed bracket B2, a movable bracket B1, and a pair of lifting electric push rods D6 and D7. The fixed bracket B2 is set behind the middle of the two support frames A2 and fixed The two U-shaped arm ends of the bracket B2 are welded one by one on the inner side of the middle part of the two support frames A2, the movable support B1 is arranged behind the upper part of the two support frames A2, and the two U-shaped arm ends of the movable support B1 are respectively connected with downwardly extending Connecting rods, and the bottom ends of the connecting rods are hinged to the ends of the two U-shaped arms of the fixed bracket B2 one by one. The two lifting electric push rods D6 and D7 are arranged symmetrically. On the U-shaped beam of the U-shaped pipe A1 of the underframe, the telescopic rods of the two lifting electric push rods D6 and D7 extend upward respectively, and the rod ends of the two lifting electric push rods D6 and D7 are respectively hinged on the movable bracket B1. On the U-shaped beam, the lifting mechanism is composed of a fixed bracket B2, a movable bracket B1, and two lifting electric push rods D6 and D7;

The bed mechanism C is arranged between the two support frames A2. The bed mechanism C includes a vertically arranged back mechanism plate C2, a head support plate C1 fixedly connected to the top of the back mechanism plate C2, and a pair of The thigh mechanism plate C3 at the bottom of the back mechanism plate C2, the calf mechanism plate C4 installed at the bottom of the thigh mechanism plate C3, respectively rotate the pedal C5 installed at the bottom of the calf mechanism plate C4, and the back structure plate C2 and the two leg mechanisms The rotating shaft connected to the plate C3 is installed in the U-shaped opening of the movable bracket B1 for rotation;

The power device D includes an upper support electric push rod D1, a pair of middle support electric push rods D2, D3 and a pair of lower support electric push rods D4, D5 respectively arranged vertically, and the fixed end of the upper support electric push rod D1 is hinged on the hoist On the top surface of the U-shaped beam of the movable bracket B1 in the mechanism B, the telescopic rod in the upper supporting electric push rod D1 extends upwards, and the end of the telescopic rod of the upper supporting electric push rod D1 is hinged on the rear side of the back mechanism plate C2 in the bed mechanism C The fixed ends of the two supporting electric push rods D2 and D3 are respectively hinged on the bottom surface of the U-shaped beam of the movable bracket B1 in the lifting mechanism B, the telescopic rods of the two supporting electric push rods D2 and D3 extend downward, and the two supporting electric push rods The telescopic rod ends of the push rods D2 and D3 are hinged one by one to the rear side of the two leg mechanism plates C3 in the bed mechanism C, and the two lower support electric push rods D4 and D5 are respectively located on the outer side below the two middle support electric push rods D2 and D3 , the fixed ends of the two supporting electric push rods D4 and D5 are hinged one by one to the rear side of the two leg mechanism plates C3 in the bed mechanism C, and the telescopic rods in the two supporting electric push rods D4 and D5 extend downward, and two The rod ends of the telescopic rods supporting the electric push rods D4 and D5 are hinged one by one to the rear side of the two shank mechanism plates C4 in the bed mechanism C.

In the underframe U-shaped tube A1 of the bracket A, the two U-shaped arm ends of the underframe U-shaped tube A1 are respectively rotated and installed with universal wheels 4, and the two ends of the U-shaped beam of the underframe U-shaped tube A1 are respectively rotated and installed with driving wheels. round 3.

The power unit D also includes a pair of motors D9, a battery D8 supporting power supply to the motor D9, the motor D9 and its supporting battery D8 are respectively arranged on the U-shaped tube A1 of the underframe outside the support frame A2 on each side, and the two motors D9 and The two drive wheels 3 are connected in one-to-one correspondence, and the battery D8 also supplies power to the lifting electric push rod, the upper support electric push rod, the middle support electric push rod, and the lower support electric push rod respectively.

Armrests 1 are respectively fixed on the tops of the two support frames A2 in the bracket A, and armrests 2 are respectively installed at the front ends of each armarm 1 .

In the present invention, in the bed mechanism, the pedals, the calf mechanism plate, and the thigh mechanism plate are all arranged in pairs, and electric push rods are installed on each part, and each motor is controlled independently, which can realize the independent movement of the back, thigh and calf ;Under the action of the upper support electric push rod D1, the adjustment of the back angle can be realized; under the action of the middle support electric push rod D2, D3, the adjustment of the angle of the thigh mechanism can be realized; under the action of the lower support electric push rod D4, D5 Next, the adjustment of the angle of the lower leg mechanism can be realized.

In the lifting mechanism, under the action of the lifting electric push rods D6 and D7, the movable bracket can be rotated around the fixed bracket and raised, so that the whole bed of the wheelchair is raised and becomes an upright posture.

The multifunctional rehabilitation wheelchair, under the action of different electric push rods, can not only be used as an ordinary electric wheelchair, but also realize the switching of three postures of sitting, lying and standing, and can perform foot rehabilitation training.

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

As shown in Figure 1, in order to simplify the five-bar mechanism of the human body structure, the human body model is simplified into a five-bar mechanism model according to the bone structure of the human body. For convenience, the model ignores the functions of the human head and arms and simplifies the upper body of the human body. As a rigid member, each leg is simplified as two rigid members connected by a hinge joint perpendicular to the sagittal plane, and the affected part of the foot is omitted. The multifunctional rehabilitation wheelchair designed according to this can simulate normal Gait, providing rehabilitation training effect for patients with lower limb disabilities,

As shown in Figure 2, it is a structural schematic diagram of the hoisting mechanism. The lifting mechanism B includes a fixed bracket B1, a movable bracket B2, a lifting electric push rod D6, and a lifting electric push rod D7. The movable bracket B1 is hinged with the fixed bracket B2. Under the action of the electric push rod, the movable bracket B2 can be fixed The bracket B1 rotates and rises, so that the whole bed of the wheelchair is raised. the

A multifunctional rehabilitation wheelchair as shown in Figures 3-6 includes a bracket A, a lifting mechanism B, a bed mechanism C and a power device D, wherein the bracket A includes a U-shaped tube A1 of the underframe and supports on both sides Frame A2, the supporting frame A2 is welded on both sides of the U-shaped tube A1 of the bottom frame, the universal wheel 4 and the driving wheel 3 are installed on the front and rear of the U-shaped tube of the bottom frame, and the handrail 2 is fixedly connected to the supporting frame A2 on both sides; Mechanism B includes a fixed bracket B2, a movable bracket B1, a lifting electric push rod D6, and a lifting electric push rod D7. The telescopic rods of the lifting electric push rod D6 and the lifting electric push rod D7 are hinged on the movable bracket B1, and the fixed end is hinged on the U-shaped tube A1 of the bottom frame; the bed mechanism C is hinged on the movable bracket B1 of the lifting mechanism B, Including pedal C5, calf mechanism plate C4, thigh mechanism plate C3, back mechanism plate C2 and head support plate C1, the foot pedal is connected to the shaft of the calf mechanism plate close to the calf mechanism plate end, and the calf mechanism plate is close to the thigh mechanism plate end and the thigh Mechanism plate axis connection, thigh mechanism plate close to the back mechanism plate and the back mechanism plate shaft, the back mechanism plate is fixedly connected to the head support plate; the power unit includes battery D8, motor D9 and electric push rods D1-D7, motor D9, battery D8 are all installed on the U-shaped tube A1 of the underframe, the telescopic rod of the upper support electric push rod D1 is hinged on the back plate C2, the fixed end is hinged with the movable bracket B1 of the lifting mechanism B, the middle support electric push rod D2, the middle support The telescopic rods of the electric push rod D3 are respectively hinged on the left and right thigh mechanism plates C3, the fixed ends are hinged on the movable bracket B1 of the lifting mechanism B, the lower support electric push rod D4, and the fixed ends of the lower support electric push rod D5 are respectively hinged on On the left and right thigh mechanisms C3, the telescopic ends are hinged on the left and right shank mechanism plates C4. Under the action of different push rod motors, the multi-functional rehabilitation wheelchair can switch between sitting, lying and standing postures, and can perform foot rehabilitation exercises.

As shown in Figure 3, it is a schematic diagram of the sitting posture of the multifunctional rehabilitation wheelchair. When the telescopic rod of the upper supporting electric push rod D1 is stretched out, and the rest of the electric push rods are in the initial state, the multifunctional rehabilitation wheelchair presents a chair state and can be used as an ordinary electric wheelchair. , under the action of the joystick, functions such as forward, reverse, left turn, right turn can be realized.

As shown in Figure 4, it is a schematic diagram of the reclining position of the multifunctional rehabilitation wheelchair. The lower support electric push rod D4 and the lower support electric push rod D5 stretch out. And the back mechanism board is in a straight line, and the multifunctional rehabilitation wheelchair can be turned into a bed state for the user to take a short rest.

Sitting and lying in the same posture for a long time will cause fatigue and various physical discomforts to the wheelchair user. The multifunctional rehabilitation wheelchair designed by the present invention can adjust the angle of the back and the angle of the calf mechanism arbitrarily through the reciprocating movement of the electric push rod. According to the situation of the user, the wheelchair can be adjusted to the best angle. By changing the body posture, it plays a certain role in nursing the user's legs and back, enhances the activity of the body, achieves the best auxiliary rehabilitation effect, and improves the speed of physical rehabilitation.

As shown in Figure 5, it is a vertical schematic diagram of a multifunctional rehabilitation wheelchair. The current support electric push rod D4, the lower support electric push rod D5, the lifting electric push rod D6, and the lifting electric push rod D7 stretch out. When the push rod is in the initial state, the multi-functional rehabilitation wheelchair can be turned into an upright state, allowing the user to pick up elevated objects or watch distant scenery.

As shown in Figure 6, when the multifunctional rehabilitation wheelchair is in an upright state, by controlling the movement of the middle support electric push rod D2, the middle support electric push rod D3, the lower support electric push rod D4, and the lower support electric push rod D5 telescopic rod, the control The swing of the left and right thighs and calves can be performed with one leg or with both legs at the same time to achieve walking rehabilitation training.

Claims (4)

1. A multifunctional rehabilitation wheelchair is characterized in that: it includes a support, a lifting mechanism, a bed mechanism, and a power unit, wherein: Described support comprises the underframe U-shaped tube that lays flatly, and each U-shaped arm of underframe U-shaped tube is respectively welded with vertical support frame, is formed by underframe U-shaped tube, two support frames; The lifting mechanism includes a U-shaped fixed bracket, a movable bracket, and a pair of lifting electric push rods that are placed horizontally respectively. The arm ends are welded one by one on the inner side of the middle of the two support frames. The movable support is arranged behind the upper parts of the two support frames. The two U-shaped arm ends of the movable support are respectively connected with connecting rods extending downward, and the bottom of the connecting rod One end is hinged to the two U-shaped arm ends of the fixed bracket, and the two lifting electric push rods are arranged symmetrically. The fixed ends of the two lifting electric push rods are respectively hinged on the U-shaped beam of the U-shaped tube of the chassis. The telescopic rods of the electric push rods extend upward respectively, and the rod ends of the telescopic rods of the two lifting electric push rods are respectively hinged on the U-shaped beams of the movable bracket, and the lifting mechanism is composed of a fixed bracket, a movable bracket, and two lifting electric push rods. ; The bed mechanism is arranged between two support frames, and the bed mechanism includes a vertically arranged back mechanism plate, a head support plate fixedly connected to the top of the back mechanism plate, a pair of back mechanism plates mounted on the back mechanism plate through the same rotating shaft The thigh mechanism plate at the bottom, the calf mechanism plate installed at the bottom of the thigh mechanism plate, and the pedals installed at the bottom of the calf mechanism plate are rotated respectively, and the rotating shaft connecting the back structure plate and the two thigh mechanism plates is installed on the U-shaped movable bracket. mouth; The power device includes an upper support electric push rod, a pair of middle support electric push rods and a pair of lower support electric push rods respectively arranged vertically, and the fixed end of the upper support electric push rod is hinged to the movable bracket of the lifting mechanism. On the top surface of the U-shaped beam, the telescopic rod in the upper support electric push rod extends upwards, and the end of the telescopic rod of the upper support electric push rod is hinged on the rear side of the back mechanism plate in the bed mechanism, and the fixed ends of the two middle support electric push rods are respectively hinged On the bottom surface of the U-shaped beam of the movable bracket in the lifting mechanism, the telescopic rods of the two supporting electric push rods extend downward, and the ends of the telescopic rods of the two supporting electric push rods are hinged one by one to the two leg mechanisms in the bed mechanism On the rear side of the board, the two lower supporting electric push rods are respectively located on the outer side below the two middle supporting electric push rods. The telescopic rod in the push rod extends downwards, and the rod ends of the two telescopic rods supporting the electric push rod are hinged to the rear sides of the two shank mechanism plates in the bed mechanism one by one. 2. A kind of multifunctional rehabilitation wheelchair according to claim 1, characterized in that: in the U-shaped tube of the underframe of the support, the two U-shaped arm ends of the U-shaped tube of the underframe are respectively rotated and installed with universal wheels, and the bottom The two ends of the U-shaped beam of the frame U-shaped pipe are respectively rotatably equipped with drive wheels. 3. A multi-functional rehabilitation wheelchair according to claim 1 or 2, characterized in that: the power device also includes a pair of motors, a supporting battery that supplies power to the motor, and the motor and its supporting battery are respectively arranged on each side On the U-shaped tube of the bottom frame outside the support frame, and the two motors are connected to the two driving wheels in a one-to-one corresponding transmission connection, and the battery also supplies power to the lifting electric push rod, the upper support electric push rod, the middle support electric push rod, and the lower support electric push rod respectively. Support the push rod. 4. A multifunctional rehabilitation wheelchair according to claim 1, characterized in that: the tops of the two support frames in the bracket are respectively fixed with armrests, and the front ends of each armrest are respectively equipped with handrails.