CN211433748U - Omnidirectional profiling fixed type ankle joint rehabilitation wheelchair - Google Patents

Omnidirectional profiling fixed type ankle joint rehabilitation wheelchair Download PDF

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Publication number
CN211433748U
CN211433748U CN201922082305.2U CN201922082305U CN211433748U CN 211433748 U CN211433748 U CN 211433748U CN 201922082305 U CN201922082305 U CN 201922082305U CN 211433748 U CN211433748 U CN 211433748U
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pedal
wheelchair
support
handrail
rehabilitation
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CN201922082305.2U
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徐昕
张晗
陈晋市
魏星
张志伟
霍东阳
刘思远
马东每
殷宝月
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Jilin University
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Jilin University
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Abstract

The utility model relates to a fixed ankle joint rehabilitation wheelchair of omnidirectional profile modeling belongs to recovered formula medical instrument field. The pedal assembly of the conventional wheelchair and the pedal assembly of the rehabilitation training are respectively inserted at two sides of the wheelchair main body assembly, and the foot fixing assembly is fixedly connected with the pedal of the pedal assembly of the rehabilitation training. The advantages are that: the use method is simple and safe, the pedal is designed in a modularized mode, the rehabilitation training pedal assembly and the conventional pedal assembly can be automatically replaced according to the requirements of users, and the application range is enlarged. The electric push rod and the servo motor are used for providing power, the pedals are respectively controlled to realize two actions of ascending and descending up and down and swinging left and right, and the two actions cooperate to realize various motion directions required by the ankle joint.

Description

Omnidirectional profiling fixed type ankle joint rehabilitation wheelchair
Technical Field
The utility model belongs to recovered formula medical instrument field, concretely relates to adopt fixed ankle joint rehabilitation wheelchair that can realize omnidirectional motion of profile modeling gasbag.
Background
In daily life, people often injure ankles due to factors such as uneven ground, and medical staff usually advise patients to rest, use wheelchairs or crutches to assist in exercise, and do proper recovery training when the joints recover to a certain degree, so that the injured parts can recover better and faster. There are many kinds of rehabilitation training devices that are put into use in the market, including fixed ones and movable ones mounted on wheelchairs, but the conventional training devices can only perform rehabilitation exercises by lifting and falling the feet up and down, which cannot fully meet the rehabilitation training requirements of patients. Meanwhile, the common rehabilitation training devices on the market all adopt the bandage or even some rigid materials for fixing the injured feet of the patient, and the fixing mode has large stimulation to the injured part and is easy to cause discomfort of the patient.
Disclosure of Invention
The utility model provides an omnidirectional profile modeling fixed ankle joint rehabilitation wheelchair, which solves the problem that the prior art can not completely meet the rehabilitation training requirements of patients.
The utility model adopts the technical proposal that: the method comprises the following steps: the wheelchair comprises a wheelchair main body component, a conventional wheelchair pedal component, a rehabilitation training pedal component and a foot fixing component, wherein the conventional wheelchair pedal component and the rehabilitation training pedal component are respectively inserted into two sides of the wheelchair main body component, and the foot fixing component is fixedly connected with a pedal of the rehabilitation training pedal component.
The wheelchair body assembly includes: the push handle, the wheelchair support, the seat cushion, the side shield, the universal wheel, the circular section of thick bamboo of inserting of footboard support, the square section of thick bamboo of inserting of footboard support, manual helping hand wheel and handrail, wherein manual helping hand wheel and universal wheel respectively with wheelchair leg joint, seat cushion fixed connection is on the wheelchair support, push handle and handrail all link firmly on the wheelchair support, a square section of thick bamboo of inserting, a circular section of thick bamboo of inserting welds respectively at the both sides front end of wheelchair main part support, the side shield is installed between manual helping hand wheel and automobile body support.
The conventional pedal assembly includes: splicing a handrail I, a square bolt I, a round bolt II, a conventional pedal and a pedal bracket I; the first splicing handrail is connected with the first pedal support through a bolt, the first square bolt and the first circular bolt are fixedly connected with the first pedal support below the first splicing handrail respectively, and the conventional pedal is connected with the lower end of the pedal support.
The pedal assembly of the conventional wheelchair comprises two structures which are respectively suitable for the left leg or the right leg and are symmetrical with each other.
The rehabilitation training pedal assembly comprises a splicing handrail II, a square bolt II, a round bolt II, a shank fixing plate, an electric push rod fixing groove, a button, a pedal bracket II, an electric push rod fixing plate and a pedal; the second splicing handrail is connected with the second pedal support through a bolt, the button is installed on the second splicing handrail, the second circular bolt and the square bolt are fixedly connected with the second pedal support below the second splicing handrail respectively, the shank fixing plate is rotatably connected with the second pedal support, the electric push rod fixing plate is fixed on the pedal support, one end of the electric push rod is hinged to the fixing plate, the other end of the electric push rod is connected with the electric push rod fixing groove through a cylindrical pin, and the side face of the pedal is fixedly connected with the electric push rod fixing groove.
The shank fixing plate is made of rubber materials.
The rehabilitation training pedal assembly comprises two structures which are respectively suitable for the left leg or the right leg and are symmetrical with each other.
The foot securing assembly comprises: the device comprises an air bag, a foot fixing plate, an air bag release valve, a gas transmission pipeline, an air pump, a rotary pedal, a motor fixing plate, a central rotating shaft, a crank rocker swinging rod, a servo motor, a screw, a crank rocker power rod, a pin shaft, a crank rocker transmission rod, a swinging pin shaft and a piezoelectric force sensor; the air bag type air bag air.
And a piezoelectric pressure sensor is attached to the inner surface of the air bag.
The utility model has the advantages that:
1. the utility model provides an electric auxiliary rehabilitation training device for ankle joints, which is simple and safe in use method.
2. The utility model discloses can combine together conventional wheelchair and rehabilitation training device, with the design of footboard modularization on the conventional design basis of current wheelchair, can change rehabilitation training footboard subassembly and conventional footboard subassembly by oneself according to user's demand, increased application scope.
3. The utility model discloses a shank fixed plate adopts synthetic rubber and metal support cooperation to carry out relative slow rotation, and the structure is easily adjusted, and is difficult for producing the safety problem.
4. The utility model discloses a footboard supporting structure adopts removable formula, no matter conventional wheelchair footboard subassembly, still rehabilitation training footboard subassembly all correspond by a circular bolt and a square bolt and install in the circular section of thick bamboo of inserting of wheelchair subassembly and square section of thick bamboo of inserting, and such design can make the user distinguish the position of jack more easily, has certain distance between two bolts simultaneously, has increased the stability of bracket component, makes the footboard can bear bigger power and not receive the damage.
5. The utility model discloses use electric push rod and servo motor to provide power, control the footboard respectively and realize rising and falling from top to bottom and two kinds of actions of horizontal hunting, the cooperation of the two can realize the required various directions of motion of ankle joint.
6. The utility model discloses a flexible fixed mode of gasbag can be very big reduce the uncomfortable sense that the patient used, carry out the profile modeling to patient's instep and fix, reduce fixing device and to patient's stimulation, also can play certain fixed ability simultaneously. Meanwhile, the piezoelectric pressure sensor is arranged at the part of the fixer connected with the instep of the patient, so that the pressure borne by the foot of the patient is sensed in real time, and the pressure sensor is convenient to record the rehabilitation data in the next step to form a database and provide reference for rehabilitation training.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the wheelchair main body assembly of the present invention;
FIG. 3 is a schematic structural view of a pedal assembly of a conventional wheelchair of the present invention;
fig. 4 is a schematic structural view of the rehabilitation training pedal assembly of the present invention;
FIG. 5 is a schematic view of the foot fixing assembly of the present invention;
FIG. 6 is a schematic view of the open position of the shank securing plate of the present invention;
fig. 7 is a schematic view of the upward movement of the pedal in the rehabilitation training pedal assembly of the present invention;
FIG. 8 is a schematic view of the airbag of the present invention being inflated and deployed;
FIG. 9 is a schematic view of the present invention with the crank rocker moving at the left end;
FIG. 10 is a schematic view of the present invention with the crank rocker in the middle of its motion position;
fig. 11 is a schematic diagram of the motion position of the crank rocker of the present invention at the right end.
Detailed Description
The reference to fig. 1 includes: wheelchair main part subassembly 1, conventional wheelchair footboard subassembly 2, rehabilitation training footboard subassembly 3, the fixed subassembly 4 of foot, wherein conventional wheelchair footboard subassembly 2 and rehabilitation training footboard subassembly 3 peg graft respectively in the both sides of wheelchair main part subassembly 1, the fixed subassembly 4 of foot and the footboard fixed connection of rehabilitation training footboard subassembly 3.
Referring to fig. 2, the wheelchair body assembly 1 comprises: the wheelchair comprises a push handle 101, a wheelchair support 102, a seat cushion 103, side baffles 104, universal wheels 105, a pedal support circular insertion cylinder 106, a pedal support square insertion cylinder 107, manual assistance wheels 108 and armrests 109, wherein the manual assistance wheels 108 and the universal wheels 105 are respectively connected with the wheelchair support 102, the seat cushion 103 is fixedly connected onto the wheelchair support 102, the push handle 101 and the armrests 109 are fixedly connected onto the wheelchair support 102, the square insertion cylinder 107 and the circular insertion cylinder 106 are respectively welded at the front ends of the two sides of the wheelchair main body support 102, the side baffles 104 are installed between the manual assistance wheels 108 and the vehicle body support 102, and inconvenience caused by the fact that clothes of a user are drawn into the wheels is prevented.
Referring to fig. 3, the conventional pedal assembly 2 includes a first split armrest 201, a first square latch 202, a second circular latch 203, a conventional pedal 204, and a first pedal bracket 205; the first spliced handrail 201 is in bolted connection with the first pedal support 205, the first square bolt 202 and the first circular bolt 203 are fixedly connected with the first pedal support 205 below the first spliced handrail 201 respectively, and the conventional pedal 204 is connected with the lower end of the first pedal support 205.
The conventional wheelchair pedal assembly 2 includes two structures symmetrical to each other for use with either the left or right leg, respectively.
Referring to fig. 4, the rehabilitation training pedal assembly 3 includes a second spliced handrail 301, a second square bolt 302, a second circular bolt 303, a shank fixing plate 304, an electric push rod 305, an electric push rod fixing groove 306, a button 307, a second pedal bracket 308, an electric push rod fixing plate 309 and a pedal 310; wherein, the second spliced handrail 301 is connected with the second pedal bracket 308 through a bolt, the button 307 is installed on the second spliced handrail 301, the second circular bolt 303 and the square bolt 302 are respectively fixedly connected with the second pedal bracket below the second spliced handrail 301, the shank fixing plate 304 is rotatably connected around the second pedal bracket 308, a user can adjust according to the self condition, the front and back adjustment schematic diagram is shown in fig. 6, the electric push rod fixing plate 309 is fixed on the pedal bracket 308, one end of the electric push rod 305 is hinged with the fixing plate 309, the other end of the electric push rod 305 is connected with the electric push rod fixing groove 306 through a cylindrical pin, the side surface of the pedal 310 is fixedly connected with the electric push rod fixing groove 306, the cylindrical pin can ensure the free rotation of the electric push rod, and the electric push rod fixing groove 306 can also ensure that the electric push rod 305 does not interfere with the pedal 310 during the movement to influence the movement, the pedal, the schematic view of the up and down movement of the pedals is shown in fig. 7.
The rehabilitation training pedal component 3 comprises two structures which are respectively suitable for the left leg or the right leg to use and are symmetrical with each other.
Referring to fig. 5, the foot fixing assembly 4 includes: an air bag 401, a foot fixing plate 402, an air bag air release valve 403, an air pipeline 404, an air pump 405, a rotary pedal 406, a motor fixing plate 407, a central rotating shaft 408, a crank rocker swinging rod 409, a servo motor 410, a screw 411, a crank rocker power rod 412, a pin 413, a crank rocker transmission rod 414, a swinging pin 415 and a piezoelectric force sensor 416; the foot fixing plate 402 is fixedly connected above the rotating pedal 406, the servo motor 410 is fixed on the motor fixing plate 407 through a screw 411, the motor fixing plate 407 is fixedly connected with the pedal 310, the crank rocker power rod 412 is fixedly connected with an output shaft of the servo motor 410, the crank rocker power rod 412 is connected with the crank rocker transmission rod 414 through a pin 413, the crank rocker swing rod 409 and the crank rocker transmission rod 414 are connected to the rotating pedal 406 through a swing pin 415, the rotating pedal 406 and the crank rocker swing rod 409 synchronously rotate around a central rotating shaft 408, so that the motion of the rotating pedal (406) is controlled by controlling the rotation of the servo motor (410), the crank rocker motion schematic diagram is shown in figure 9, a bulge is processed on the rotating pedal 406 for increasing the friction force, the air pump 405 is fixed on the pedal 310, the air bag 401 is fixed on the inner side of the foot fixing plate 402, and the air bag 401 is connected with the air, thereby realizing inflation and expansion, fixing the foot surface, connecting the air bag 401 with the air bag release valve 403, opening the release valve 403 to discharge the air in the air bag 401 after the use is finished, and the schematic diagram of the inflation and deflation shape of the air bag is shown in fig. 8.
The piezoelectric pressure sensor 416 is attached to the inner surface of the air bag 401, so that the pressure on the instep of the patient can be fed back and recorded in real time, and a reference record is provided for subsequent rehabilitation training.
When the rehabilitation training pedal assembly 3 is used, the injured side of the ankle joint of the patient adopts the rehabilitation training pedal assembly 3, namely the round bolt II 303 and the square bolt II 302 are correspondingly inserted into the round inserting cylinder 106 and the square inserting cylinder 107 in the wheelchair assembly 1 respectively.
After the wheelchair component 1 is installed, the armrests 109 of the wheelchair component 1 can be matched with the assembled armrests II 301 of the rehabilitation training pedal component 3, so that a patient has enough space to place arms; FIG. 1 is an assembly view of a patient with his left foot replaced with a rehabilitation training pedal and his right foot with a conventional pedal;
after having installed rehabilitation training footboard subassembly, open shank fixed plate 304, the patient sit into behind the wheelchair seat receive and release shank fixed plate 304 again to suitable position can, shank fixed plate 304 adopts the synthetic rubber preparation, and rotate between the support 308, and have certain frictional force, can play certain fixed action, make things convenient for the patient to adjust simultaneously, when carrying out rehabilitation training, if the patient appears the maloperation or the turned angle sets up the direct leg board of back-pushing away of accessible shank strength when too big, prevent because rehabilitation facility causes the secondary injury.
When a patient sits in the wheelchair, and feet of the patient are placed in the foot fixing plate 402, the air pump 405 can pump air for the air bag 401 through the button 307, and the air bag flexibly and profile-fixedly fixes the feet of the patient, so that discomfort of the patient is reduced as little as possible, and meanwhile, the sufficient fixing capacity can be achieved; a plurality of piezoelectric pressure sensors 416 are attached to the inner surface of the air bag 401, so that the pressure on the instep of the patient can be fed back and recorded in real time, and a reference record is provided for subsequent rehabilitation training.
The main actions for realizing rehabilitation training are as follows: the rehabilitation training pedal 310 is pulled to rotate around the cylindrical pin by stretching of the electric push rod 305, so that the ankle joint of a patient can move to a certain degree, meanwhile, the servo motor 410 drives the crank rocker power rod 412 to rotate, the rotary pedal 406 can swing at-25 degrees to +25 degrees through the crank rocker transmission rod 414 and the crank rocker swinging rod 409, the swinging effect is shown in fig. 9, and the electric push rod 305 and the servo motor 410 can cooperatively act to enable the patient to achieve different training effects of the ankle joint.

Claims (9)

1. The utility model provides a fixed ankle joint rehabilitation wheelchair of omnidirectional profile modeling which characterized in that: including wheelchair main part subassembly, conventional wheelchair footboard subassembly, rehabilitation training footboard subassembly, the fixed subassembly of foot, wherein conventional wheelchair footboard subassembly and rehabilitation training footboard subassembly are pegged graft respectively in the both sides of wheelchair main part subassembly, the fixed subassembly of foot and the footboard fixed connection of rehabilitation training footboard subassembly.
2. The omni-directional contoured fixed ankle rehabilitation wheelchair as claimed in claim 1, wherein: the wheelchair body assembly includes: the push handle, the wheelchair support, the seat cushion, the side shield, the universal wheel, the circular section of thick bamboo of inserting of footboard support, the square section of thick bamboo of inserting of footboard support, manual helping hand wheel and handrail, wherein manual helping hand wheel and universal wheel respectively with wheelchair leg joint, seat cushion fixed connection is on the wheelchair support, push handle and handrail all link firmly on the wheelchair support, a square section of thick bamboo of inserting, a circular section of thick bamboo of inserting welds respectively at the both sides front end of wheelchair main part support, the side shield is installed between manual helping hand wheel and automobile body support.
3. The omni-directional contoured fixed ankle rehabilitation wheelchair as claimed in claim 1, wherein: the conventional wheelchair pedal assembly includes: splicing a handrail I, a square bolt I, a round bolt II, a conventional pedal and a pedal bracket I; the first splicing handrail is connected with the first pedal support through a bolt, the first square bolt and the first circular bolt are fixedly connected with the first pedal support below the first splicing handrail respectively, and the conventional pedal is connected with the lower end of the pedal support.
4. An omnidirectional profile modeling fixed ankle joint rehabilitation wheelchair as claimed in claim 1 or 3, wherein: the pedal assembly of the conventional wheelchair comprises two structures which are respectively suitable for the left leg or the right leg and are symmetrical with each other.
5. The omni-directional contoured fixed ankle rehabilitation wheelchair as claimed in claim 1, wherein: the rehabilitation training pedal assembly comprises a splicing handrail II, a square bolt II, a round bolt II, a shank fixing plate, an electric push rod fixing groove, a button, a pedal bracket II, an electric push rod fixing plate and a pedal; the second splicing handrail is connected with the second pedal support through a bolt, the button is installed on the second splicing handrail, the second circular bolt and the square bolt are fixedly connected with the second pedal support below the second splicing handrail respectively, the shank fixing plate is rotatably connected with the second pedal support, the electric push rod fixing plate is fixed on the pedal support, one end of the electric push rod is hinged to the fixing plate, the other end of the electric push rod is connected with the electric push rod fixing groove through a cylindrical pin, and the side face of the pedal is fixedly connected with the electric push rod fixing groove.
6. The omni-directional contoured fixed ankle rehabilitation wheelchair as claimed in claim 5, wherein: the shank fixing plate is made of rubber materials.
7. An omnidirectional profile modeling fixed ankle joint rehabilitation wheelchair as claimed in claim 1, 5 or 6, wherein: the rehabilitation training pedal assembly comprises two structures which are respectively suitable for the left leg or the right leg and are symmetrical with each other.
8. The omni-directional contoured fixed ankle rehabilitation wheelchair as claimed in claim 1, wherein: the foot securing assembly comprises: the device comprises an air bag, a foot fixing plate, an air bag release valve, a gas transmission pipeline, an air pump, a rotary pedal, a motor fixing plate, a central rotating shaft, a crank rocker swinging rod, a servo motor, a screw, a crank rocker power rod, a pin shaft, a crank rocker transmission rod, a swinging pin shaft and a piezoelectric force sensor; the air bag type air bag air.
9. The omni-directional contoured fixed ankle rehabilitation wheelchair as claimed in claim 8, wherein: and a piezoelectric pressure sensor is attached to the inner surface of the air bag.
CN201922082305.2U 2019-11-27 2019-11-27 Omnidirectional profiling fixed type ankle joint rehabilitation wheelchair Active CN211433748U (en)

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Application Number Priority Date Filing Date Title
CN201922082305.2U CN211433748U (en) 2019-11-27 2019-11-27 Omnidirectional profiling fixed type ankle joint rehabilitation wheelchair

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Application Number Priority Date Filing Date Title
CN201922082305.2U CN211433748U (en) 2019-11-27 2019-11-27 Omnidirectional profiling fixed type ankle joint rehabilitation wheelchair

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110812016A (en) * 2019-11-27 2020-02-21 吉林大学 Omnidirectional profiling fixed type ankle joint rehabilitation wheelchair
CN113499224A (en) * 2021-08-05 2021-10-15 吉林大学 Rehabilitation training device for patients with cardiovascular and cerebrovascular diseases

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110812016A (en) * 2019-11-27 2020-02-21 吉林大学 Omnidirectional profiling fixed type ankle joint rehabilitation wheelchair
CN113499224A (en) * 2021-08-05 2021-10-15 吉林大学 Rehabilitation training device for patients with cardiovascular and cerebrovascular diseases

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