CN106963598B - Adjustable leg and foot movement device of rehabilitation machine - Google Patents

Adjustable leg and foot movement device of rehabilitation machine Download PDF

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Publication number
CN106963598B
CN106963598B CN201710229884.1A CN201710229884A CN106963598B CN 106963598 B CN106963598 B CN 106963598B CN 201710229884 A CN201710229884 A CN 201710229884A CN 106963598 B CN106963598 B CN 106963598B
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China
Prior art keywords
pedal
leg
adjusting
plate
foot
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CN201710229884.1A
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Chinese (zh)
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CN106963598A (en
Inventor
刘纳新
周蒙滔
周伟峰
胡居伟
王培�
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Lishui Rifeng Electrical Appliance Co ltd
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Lishui Rifeng Electrical Appliance Co ltd
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Priority to CN201710229884.1A priority Critical patent/CN106963598B/en
Publication of CN106963598A publication Critical patent/CN106963598A/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02Stretching or bending or torsioning apparatus for exercising
    • A61H1/0237Stretching or bending or torsioning apparatus for exercising for the lower limbs
    • A61H1/0255Both knee and hip of a patient, e.g. in supine or sitting position, the feet being moved in a plane substantially parallel to the body-symmetrical-plane
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01Constructive details
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12Driving means
    • A61H2201/1207Driving means with electric or magnetic drive
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16Physical interface with patient
    • A61H2201/1602Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/164Feet or leg, e.g. pedal
    • A61H2201/1642Holding means therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Abstract

The invention discloses an adjustable leg and foot movement device of a rehabilitation machine, which comprises a supporting bottom plate, wherein a shell is fixed on the supporting bottom plate, a transmission mechanism is arranged in the shell, a transmission shaft penetrating through the center of the transmission mechanism is fixedly connected with cranks at two ends of the transmission shaft, the cranks are rotationally connected with pedal devices, an angle adjusting frame is arranged in the middle of the transmission shaft, the angle adjusting frame is hinged with the transmission shaft through a connecting rod, the pedal devices are in sliding connection with the angle adjusting frame, and an adjusting screw penetrating through the angle adjusting frame is arranged at the bottom of the supporting bottom plate. The pedal device comprises a pedal mounting seat, a pedal device, a pedal support, a pedal device and a pedal support. The leg and foot inclination angle and the bending amplitude of the leg and foot movement adjustable device can be flexibly adjusted, the adjustable leg and foot movement adjustable device is simple in structure, reasonable in design, convenient to use and adjustable in multiple variables of legs and feet, and can meet actual conditions and requirements of different people, so that the individualized high comfort level is achieved, and meanwhile, the optimal rehabilitation training effect is achieved.

Description

Adjustable leg and foot movement device of rehabilitation machine
Technical Field
The invention relates to the technical field of rehabilitation medical treatment and sports fitness equipment, in particular to a leg and foot adjustable sports device of a rehabilitation machine.
Background
At present, patients suffering from disability, chronic diseases, senile diseases and acute diseases in the recovery period are prone to suffering from long-term sleeping and lack of exercise, so that the conditions of muscle function degeneration and muscle atrophy occur. The occurrence of these conditions is greatly responsible for the lack of effective exercise, and in order to prevent the degeneration of muscle function, muscular atrophy and degeneration of articular surfaces, the patient can do some active and passive rehabilitation exercises in the bed under the condition of body permission, and the active and passive rehabilitation exercises can promote blood circulation, are basic factors for maintaining the physiological functions of articular cartilage surfaces, and are effective methods for preventing the degeneration of muscle function, muscular atrophy and degeneration of articular surfaces. Through positive rehabilitation training, the physical functions and the mental emotion of the patient are restored to the original health state as much as possible, the restoration of the functions is promoted, the life self-care ability of the patient is improved, and the patient can finally return to society.
In the rehabilitation training process, the rehabilitation machine plays a key role under the condition of limiting the physical condition of a patient. Because of the individual different needs of each patient's body, some patients require multi-dimensional adjustability of the legs and feet. The ankle inclination angle, the leg bending amplitude and the ankle bending amplitude of the leg and foot movement device of the rehabilitation machine in the market at present are not adjustable, so that the requirement of multi-dimensional adjustability of the legs and feet of patients is not met.
For example, for patients who do not fit movement of the hip joint and the thigh after the open-abdominal operation, the leg and foot movement device of the traditional rehabilitation machine needs the hip joint movement like pedal bicycle movement to drive the thigh, the shank and the ankle to move in a matched mode, and the non-adjustability of the leg and foot movement device of the traditional rehabilitation machine can meet the requirements that the thighs of the patients are not moved and only the shank and the ankle move in a matched mode.
Disclosure of Invention
In order to overcome the defects of the prior study, the leg and foot inclination angle and the bending amplitude of the adjustable leg and foot movement device of the bedside lower limb rehabilitation machine can be flexibly adjusted, the adjustable leg and foot movement device is simple in structure, reasonable in design, convenient to use and adjustable in leg and foot multivariable, can meet the actual conditions and needs of different people, achieves the high comfort level of individuation and can achieve the best rehabilitation training effect, and can realize the movement of the fixed thigh, only the cooperation of the lower leg and the ankle. In order to realize the functions, the technical problems of the invention are mainly solved by the following technical proposal:
the invention discloses an adjustable leg and foot movement device of a rehabilitation machine, which comprises a supporting bottom plate, wherein a shell is fixed on the supporting bottom plate, a transmission mechanism is arranged in the shell, a transmission shaft penetrating through the center of the transmission mechanism is fixedly connected with cranks at two ends of the transmission shaft, the cranks are rotationally connected with pedal devices, an angle adjusting frame is arranged in the middle of the transmission shaft, the angle adjusting frame is hinged with the transmission shaft through a connecting rod, the pedal devices are in sliding connection with the angle adjusting frame, and an adjusting screw penetrating through the angle adjusting frame is arranged at the bottom of the supporting bottom plate.
Further, the pedal device comprises a pedal plate, a pedal mounting seat and an adjusting bracket, wherein the adjusting bracket is connected with the pedal mounting seat through an ankle adjusting knob, and the adjusting bracket is connected with the pedal plate through a leg adjusting knob.
Further, the adjusting bracket is formed by vertically fixing and combining a bottom plate and a supporting rod, a connecting plate B which is vertical to the bottom plate is fixed in the middle of the bottom plate, a sliding groove A is formed in one side of the bottom plate, which is positioned on the connecting plate B, and an ankle adjusting knob mounting hole is formed in the connecting plate B;
the surrounding plates are arranged on the periphery of both sides of the pedal, wherein the surrounding plate on the upper part of the back side of the pedal is a hat brim-shaped surrounding plate; the pedal surface of the pedal is provided with a footprint-shaped bulge, the back surface of the pedal is fixed with a supporting rib plate vertical to the footprint-shaped bulge, the supporting rib plate is fixed with a connecting plate A vertical to the supporting rib plate, and the connecting plate A is provided with a leg adjusting knob mounting hole corresponding to a chute A on the bottom plate of the adjusting bracket;
the pedal mounting seat is formed by vertically fixing a cylinder and a square rod, and a chute B corresponding to an ankle adjusting knob mounting hole on an adjusting bracket connecting plate B is formed in the square rod;
the bottom plate of the adjusting bracket is connected with the connecting plate A of the pedal through a sliding groove A on the connecting plate A of the pedal, which is matched with a leg adjusting knob, and the connecting plate B of the adjusting bracket is matched and connected with the square rod of the pedal mounting seat through an upper ankle adjusting knob mounting hole of the square rod, which is matched and connected with the ankle adjusting knob of the sliding groove B;
the cap peak shape coaming depth of the pedal is larger than the diameter of the pedal mounting seat cylinder.
Further, the cylinder of the foot mount is rotatably coupled to the crank by a bearing therein.
Further, the angle adjusting frame comprises a connecting rod A, sliding rails, a connecting rod B and a supporting rod, wherein the connecting rod A, the two sliding rails and the connecting rod B are fixedly connected to form a rectangle, the supporting rod is arranged in the rectangle, the middle part of the connecting rod B is vertically fixed by the supporting rod, a screw fixing hole is formed in the supporting rod, and the connecting rod A is hinged with a transmission shaft through the connecting rod.
One end of the connecting rod is fixedly connected with the connecting rod A, and the other end of the connecting rod is rotationally connected with the transmission shaft.
Further, one end of the adjusting screw rod is rotationally connected with an adjusting screw rod mounting seat on the supporting bottom plate, and the other end of the adjusting screw rod penetrates through a screw rod fixing hole on the supporting rod of the angle adjusting frame.
Further, the adjusting support supporting rod of the pedal device is in sliding connection with the sliding rail of the angle adjusting frame through a linear bearing, the pedal device is movably connected with the linear bearing, and the linear bearing is in sliding connection with the sliding rail.
The invention relates to a working principle and a working process of an adjustable leg and foot movement device of a rehabilitation machine.
When a patient is ready for rehabilitation training, the lower legs are placed at the position support of the leg jackets, the feet are placed in the pedals, the inclination angle of the pedal device can be adjusted according to the adjusting screw rod in the angle adjusting frame, and the adjusted angle is fixed with the screw rod fixing holes on the supporting rods. The connecting plate B of the adjusting bracket is connected with the square rod of the pedal mounting seat through an upper ankle adjusting knob mounting hole of the square rod and matched with the ankle adjusting knob of the chute B; the bottom plate of the adjusting bracket is connected with the connecting plate A of the foot pedal through a chute A on the bottom plate and a leg adjusting knob mounting hole matched with the leg adjusting knob. When the ankle adjusting knob is in a loosening state, the ankle adjusting knob can slide along the chute B; when the leg adjusting knob is in a loosening state, the leg adjusting knob can slide along the sliding groove A.
When the ankle adjusting knob is in a loosening state and the leg adjusting knob is in a locking state, the pedal plate and the adjusting bracket simultaneously slide on the pedal mounting seat, the bending amplitude of the ankle is larger when the pedal plate and the adjusting bracket slide upwards, and the ankle adjusting knob can be screwed in the ankle adjusting knob mounting hole after the bending amplitude of the ankle is adjusted when a patient needs to move; when the leg adjusting knob is in a loosening state and the ankle adjusting knob is in a locking state, the pedal plate slides on the adjusting bracket, the more the pedal plate slides upwards, the greater the activity amplitude of the leg is during movement, and the leg adjusting knob can be screwed in the leg adjusting knob mounting hole after the activity amplitude of the leg is adjusted when the patient needs to move.
When the patient needs pedal movement with the thigh, the shank and the ankle matched, the leg adjusting knob can be loosened, the pedal slides on the adjusting bracket to a comfortable amplitude position of the patient, and the leg adjusting knob is screwed. When the thighs of the patient do not move conveniently, the ankle adjusting knob can be loosened only by pedal movement matched with the lower legs and the wrists, the pedal plate and the adjusting bracket simultaneously slide on the pedal mounting seat to a comfortable amplitude position of the patient, and the ankle adjusting knob is screwed, so that the thighs and the wrists are mainly matched for movement. The bending amplitude of the legs and the bending amplitude of the wrists of the patient during the movement can be flexibly adjusted at any time according to the actual condition and the needs of the patient. All leg and foot adjusting variables are adjusted to the most proper state of the patient, and then the pedal exercise can be comfortably performed. When the pedal moves, the pedal device slides on the sliding rail of the angle adjusting frame.
The pedal motion is that the motor drives the gear transmission mechanism, the gear transmission drives the transmission shaft to move, the transmission shaft moves to drive the crank to move, the crank is rotationally connected with the pedal device, the pedal device is movably connected with the linear bearing, the linear bearing is in sliding connection with the angle adjusting frame, and thus the crank, the pedal device, the linear bearing and the sliding rail of the angle adjusting frame form a crank sliding block motion mechanism, and the pedal motion can be realized.
When the foot pedal is used for pedal movement, the foot pedal surface of the foot pedal is provided with the footprint-shaped bulges, and barefoot is placed in the foot pedal, so that the foot pedal can also play a role in massaging the sole of a foot during movement.
The invention has the beneficial effects that:
1. the adjustable leg and foot movement device of the bedside lower limb rehabilitation machine can adjust the inclination angle of the foot pedal device according to the actual situation and the needs of patients.
2. According to the leg and foot adjustable movement device of the bedside lower limb rehabilitation machine, the bending amplitude of thighs can be independently adjusted according to the actual situation and the needs of patients, so that the pedal movement of the thighs, the calves and the wrists is realized; the bending amplitude of the ankle can be independently adjusted, so that pedal movement of thigh immobility, shank and ankle matching is realized; the thigh bending amplitude and the ankle bending amplitude can be simultaneously adjusted.
3. The adjustable leg and foot movement device of the bedside lower limb rehabilitation machine can put barefoot into the foot pedal when in pedal movement, and can play a role in massaging soles when in movement.
4. The leg and foot inclination angle and the bending amplitude of the adjustable leg and foot movement device of the bedside lower limb rehabilitation machine can be flexibly adjusted, the adjustable leg and foot movement device is simple in structure, reasonable in design, convenient to use and adjustable in leg and foot multiple variables, and can meet actual conditions and requirements of different people, so that the individualized high comfort level is achieved, and meanwhile, the optimal rehabilitation training effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of an adjustable leg and foot exercise device of a rehabilitation machine according to the present invention.
Fig. 2 is a schematic front view of an adjustable leg and foot exercise device of a rehabilitation machine according to the present invention.
Fig. 3 is a right side view schematically illustrating an adjustable leg and foot exercise device of a rehabilitation machine according to the present invention.
Fig. 4 is a schematic top view of an adjustable leg and foot exercise device of a rehabilitation machine according to the present invention.
Fig. 5 is a schematic perspective view of a pedal device in the leg and foot adjustable exercise device of the rehabilitation machine.
Fig. 6 is a perspective view of an angle adjusting bracket and a connecting rod in the leg and foot adjustable exercise device of the rehabilitation machine.
In the figure: 1. a support base plate; 2. a housing; 3. a transmission shaft; 4. a crank; 5. a pedal device; 51. a foot pedal; 511. coaming plate; 512. hat brim-shaped coaming plate; 513. a footprint-like protrusion; 514. a support rib plate; 52. a pedal mounting seat; 521. a cylinder; 522. square rods; 523. a chute B; 53. adjusting the bracket; 531. a bottom plate; 532. a support rod; 533. a connecting plate B; 534. a chute A; 54. an ankle adjustment knob; 55. a leg adjustment knob; 6. an angle adjusting frame; 61. a connecting rod A; 62. a slide rail; 63. a connecting rod B; 64. a support rod; 641. screw fixing holes; 7. adjusting a screw; 8. a linear bearing; 9. and adjusting a screw rod mounting seat.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
As shown in fig. 1-6, the invention discloses an adjustable leg and foot movement device of a rehabilitation machine, which comprises a supporting bottom plate 1, wherein a shell 2 is fixed on the supporting bottom plate 1, a transmission mechanism is arranged in the shell 2, a transmission shaft 3 penetrating through the center of the transmission mechanism is fixedly connected with cranks 4 at two ends of the transmission shaft, the cranks 4 are rotatably connected with a pedal device 5, an angle adjusting frame 6 is arranged in the middle of the transmission shaft 2, the angle adjusting frame 6 is hinged with the transmission shaft 3 through a connecting rod, the pedal device 5 is in sliding connection with the angle adjusting frame 6, and an adjusting screw rod 7 penetrating through the angle adjusting frame 6 is arranged at the bottom of the supporting bottom plate 1.
The pedal device 5 comprises a pedal plate 51, a pedal mounting seat 52 and an adjusting bracket 53, wherein the adjusting bracket 53 is connected with the pedal mounting seat 52 through an ankle adjusting knob 54, and the adjusting bracket 53 is connected with the pedal plate 51 through a leg adjusting knob 55.
The adjusting bracket 53 is formed by vertically and fixedly combining a bottom plate 531 and a supporting rod 532, a connecting plate B533 which is vertical to the bottom plate 531 is fixed in the middle of the bottom plate 531, a chute A534 is arranged on one side of the bottom plate 531, which is positioned on the connecting plate B533, and an ankle adjusting knob mounting hole is arranged on the connecting plate B533;
the two sides of the pedal plate 51 are provided with surrounding plates 511, wherein the surrounding plate at the upper part of the pedal back surface of the pedal plate 51 is a hat-brim-shaped surrounding plate 512; the pedal surface of the pedal plate 51 is provided with a footprint-shaped bulge 513, the pedal reverse side of the pedal plate 51 is fixedly provided with a support rib plate 514 vertical to the foot print bulge, the support rib plate 514 is fixedly provided with a connecting plate A vertical to the support rib plate, and the connecting plate A is provided with a leg adjusting knob mounting hole corresponding to a chute A534 on a bottom plate 531 of the adjusting bracket 53;
the pedal mounting seat 52 is formed by vertically fixing a cylinder 521 and a square rod 522, and the square rod 522 is provided with a chute B523 corresponding to an ankle adjusting knob mounting hole on a connecting plate B533 of the adjusting bracket 53;
the bottom plate 531 of the adjusting bracket 53 is connected with the leg adjusting knob 55 through the chute A534 on the bottom plate and the connecting plate A of the pedal plate 51, and the connecting plate B533 of the adjusting bracket 53 is connected with the square rod 522 of the pedal mounting seat 52 through the ankle adjusting knob mounting hole 535 on the bottom plate and the ankle adjusting knob 54 of the chute B523;
the visor-like enclosure 512 of the footrest 51 has a depth greater than the diameter of the cylinder 521 of the footrest mounting 52.
The angle adjusting frame 6 comprises a connecting rod A61, a sliding rail 62, a connecting rod B63 and a supporting rod 64, wherein the connecting rod A61, the two sliding rails 62 and the connecting rod B63 are fixedly connected to form a rectangle, the supporting rod 64 is arranged in the rectangle, the middle part of the connecting rod B63 is vertically fixed on the supporting rod 64, a screw fixing hole 641 is formed in the supporting rod 64, and the connecting rod A61 is hinged with the transmission shaft 3 through the connecting rod.
One end of the connecting rod is fixedly connected with the connecting rod A61, and the other end of the connecting rod is rotatably connected with the transmission shaft 3.
One end of the adjusting screw 7 is rotatably connected with the adjusting screw mounting seat 9 on the supporting bottom plate 1, and the other end of the adjusting screw 7 passes through the screw fixing hole 641 on the supporting rod 64 of the angle adjusting frame 6.
The adjusting bracket 53 and the supporting rod 532 of the pedal device 5 are in sliding connection with the sliding rail 62 of the angle adjusting frame 6 through the linear bearing 8, the pedal device 5 is movably connected with the linear bearing 8, and the linear bearing 8 is in sliding connection with the sliding rail 62.
The invention relates to a working principle and a working process of an adjustable leg and foot movement device of a rehabilitation machine.
When a patient is ready for rehabilitation training, the lower leg is placed at the position of the leg sheath to support, the feet are placed in the foot pedals, the inclination angle of the foot pedal device 5 can be adjusted according to the adjusting screw 7 in the angle adjusting frame 6, and the adjusted angle is fixed with the screw fixing hole 641 on the supporting rod 64. The connecting plate B533 of the adjusting bracket 53 is connected with the square rod 522 of the pedal mounting seat 52 through the upper ankle adjusting knob mounting hole thereof and the chute B523 matched with the ankle adjusting knob 54; the bottom plate 531 of the adjusting bracket 53 and the connecting plate a of the foot pedal 51 are connected with the leg adjusting knob 55 through the chute a534 thereon. When the ankle adjusting knob 54 is in a loose state, the ankle adjusting knob 54 can slide along the chute B523; when the leg adjustment knob 55 is in the released state, the leg adjustment knob 55 can slide along the chute a 534.
When the ankle adjusting knob 54 is in a released state and the leg adjusting knob 55 is in a locked state, the pedal plate 51 and the adjusting bracket 53 simultaneously slide on the pedal mounting seat 52, the more the pedal plate slides upwards, the larger the ankle bending amplitude is during movement, and the ankle adjusting knob 54 can be screwed in the ankle adjusting knob mounting hole after the ankle bending amplitude of the patient required movement is adjusted; when the leg adjusting knob 55 is in a released state and the ankle adjusting knob 54 is in a locked state, the foot pedal 51 slides on the adjusting bracket 53, the more the foot pedal slides upwards, the greater the movement range of the leg is, and the leg adjusting knob 55 can be screwed in the leg adjusting knob mounting hole after the movement range of the leg is adjusted when the patient needs to move.
When the patient needs the foot-operated movement of the thigh, the shank and the ankle, the leg adjusting knob 55 is loosened, the foot pedal 51 slides on the adjusting bracket 53 to a comfortable amplitude position of the patient, and the leg adjusting knob 55 is screwed. When the thighs of the patient do not move conveniently, the ankle adjusting knob 54 can be loosened only by pedal movement matched with the lower legs and the wrists, the pedal plate 51 and the adjusting bracket 53 slide on the pedal mounting seat 52 at the same time and slide to a comfortable amplitude position of the patient, and the ankle adjusting knob 54 is screwed, so that the thighs and the wrists are mainly matched for movement. The bending amplitude of the legs and the bending amplitude of the wrists of the patient during the movement can be flexibly adjusted at any time according to the actual condition and the needs of the patient. All leg and foot adjusting variables are adjusted to the most proper state of the patient, and then the pedal exercise can be comfortably performed. During the pedaling movement, the pedaling means 5 slide on the slide rails 62 of the angle adjustment bracket 6.
The pedal motion is that the motor drives the gear transmission mechanism, the gear transmission drives the transmission shaft 3 to move, the transmission shaft 3 moves and drives the crank 4 to move, the crank 4 is rotationally connected with the pedal device 5, the pedal device 5 is movably connected with the linear bearing 8, the linear bearing 8 is in sliding connection with the angle adjusting frame 6, and thus the crank 4, the pedal device 5, the linear bearing 8 and the sliding rail 62 of the angle adjusting frame 6 form a crank sliding block motion mechanism, and the pedal motion can be realized.
When the foot is stepped, the pedal surface of the foot board 51 is provided with a footprint-shaped protrusion 513, and barefoot is placed in the foot board, so that the foot board can massage the sole of the foot while the foot is moved.
The invention has the beneficial effects that:
1. the adjustable leg and foot movement device of the bedside lower limb rehabilitation machine can adjust the inclination angle of the pedal device 5 according to the actual situation and the needs of patients.
2. According to the leg and foot adjustable movement device of the bedside lower limb rehabilitation machine, the bending amplitude of thighs can be independently adjusted according to the actual situation and the needs of patients, so that the pedal movement of the thighs, the calves and the wrists is realized; the bending amplitude of the ankle can be independently adjusted, so that pedal movement of thigh immobility, shank and ankle matching is realized; the thigh bending amplitude and the ankle bending amplitude can be simultaneously adjusted.
3. The adjustable leg and foot movement device of the bedside lower limb rehabilitation machine can put barefoot into the foot pedal when in pedal movement, and can play a role in massaging soles when in movement.
4. The leg and foot inclination angle and the bending amplitude of the adjustable leg and foot movement device of the bedside lower limb rehabilitation machine can be flexibly adjusted, the adjustable leg and foot movement device is simple in structure, reasonable in design, convenient to use and adjustable in leg and foot multiple variables, and can meet actual conditions and requirements of different people, so that the individualized high comfort level is achieved, and meanwhile, the optimal rehabilitation training effect is achieved.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (4)

1. The utility model provides an adjustable leg and foot motion device of rehabilitation machine, a serial communication port, including supporting baseplate (1), be fixed with shell (2) on supporting baseplate (1), be provided with drive mechanism in shell (2), drive shaft (3) and crank (4) fixed connection at its both ends that pass drive mechanism center, crank (4) are connected with pedal device (5) rotation, pass shell (2) middle part and be provided with angle adjustment frame (6), angle adjustment frame (6) are articulated through the connecting rod with drive shaft (3), pedal device (5) and angle adjustment frame (6) sliding connection, supporting baseplate (1) bottom is provided with adjusting screw (7) that pass angle adjustment frame (6);
the pedal device (5) comprises a pedal plate (51), a pedal mounting seat (52) and an adjusting bracket (53), wherein the adjusting bracket (53) is connected with the pedal mounting seat (52) through an ankle adjusting knob (54), and the adjusting bracket (53) is connected with the pedal plate (51) through a leg adjusting knob (55);
the adjusting bracket (53) is formed by vertically fixing and combining a bottom plate (531) and a supporting rod (532), a connecting plate B (533) vertical to the bottom plate (531) is fixed in the middle of the bottom plate (531), a chute A (534) is arranged on one side of the bottom plate (531) positioned on the connecting plate B (533), and an ankle adjusting knob mounting hole is arranged on the connecting plate B (533);
the periphery of two sides of the pedal plate (51) is provided with coamings (511), wherein the coamings at the upper part of the pedal back of the pedal plate (51) are hat brim coamings (512); the pedal surface of the pedal plate (51) is provided with a footprint-shaped bulge (513), the pedal reverse side of the pedal plate (51) is fixed with a support rib plate (514) perpendicular to the footprint-shaped bulge, the support rib plate (514) is fixed with a connecting plate A perpendicular to the support rib plate, and the connecting plate A is provided with a leg adjusting knob mounting hole corresponding to a chute A (534) on a bottom plate (531) of an adjusting bracket (53);
the pedal mounting seat (52) is formed by vertically fixing a cylinder (521) and a square rod (522), and a chute B (523) corresponding to an ankle adjusting knob mounting hole on a connecting plate B (533) of the adjusting bracket (53) is formed in the square rod (522);
the bottom plate (531) of the adjusting bracket (53) is connected with the leg adjusting knob (55) matched with the leg adjusting knob mounting hole through the chute A (534) on the bottom plate and the connecting plate A of the pedal (51), and the connecting plate B (533) of the adjusting bracket (53) is connected with the square rod (522) of the pedal mounting seat (52) matched with the ankle adjusting knob (54) through the ankle adjusting knob mounting hole (535) on the connecting plate B;
the cap peak-shaped coaming (512) of the pedal plate (51) has a depth larger than the diameter of the cylinder (521) of the pedal mounting seat (52);
when the patient needs pedal movement with the thigh, the shank and the ankle matched, the leg adjusting knob (55) can be loosened, the pedal plate (51) slides on the adjusting bracket (53) to a comfortable amplitude position of the patient, and the leg adjusting knob (55) is screwed; when the thighs of a patient do not move conveniently, only the pedal movement matched with the lower legs and the wrists is needed, the wrists adjusting knob (54) can be loosened, the pedal plate (51) and the adjusting bracket (53) simultaneously slide on the pedal mounting seat (52) to a comfortable amplitude position of the patient, the wrists adjusting knob (54) is screwed, and at the moment, the lower legs and the wrists are mainly matched for movement; the bending amplitude of the legs and the bending amplitude of the wrists of the patient during the movement can be flexibly adjusted at any time according to the actual condition and the needs of the patient; all leg and foot adjusting variables can be comfortably used for pedal exercise after being adjusted to the most proper state of a patient;
the angle adjusting frame (6) comprises a connecting rod A (61), sliding rails (62), a connecting rod B (63) and a supporting rod (64), wherein the connecting rod A (61), the two sliding rails (62) and the connecting rod B (63) are fixedly connected to form a rectangle, the supporting rod (64) is arranged in the rectangle, the middle part of the connecting rod B (63) is vertically fixed by the supporting rod (64), a screw fixing hole (641) is formed in the supporting rod (64), and the connecting rod A (61) is hinged with the transmission shaft (3) through the connecting rod;
the adjusting support (53) supporting rod (532) of the pedal device (5) is in sliding connection with the sliding rail (62) of the angle adjusting frame (6) through the linear bearing (8), the pedal device (5) is in movable connection with the linear bearing (8), and the linear bearing (8) is in sliding connection with the sliding rail (62).
2. The adjustable leg and foot exercise device of a rehabilitation machine according to claim 1, wherein the cylinder (521) of the foot mount (52) is rotatably connected to the crank (4) by means of bearings therein.
3. The leg and foot adjustable exercise device of a rehabilitation machine according to claim 1, wherein one end of the connecting rod is fixedly connected with the connecting rod a (61), and the other end is rotatably connected with the transmission shaft (3).
4. The leg and foot adjustable exercise device of a rehabilitation machine according to claim 1, wherein one end of the adjusting screw (7) is rotatably connected with an adjusting screw mounting seat (9) on the supporting base plate (1), and the other end of the adjusting screw (7) passes through a screw fixing hole (641) on a supporting rod (64) of the angle adjusting frame (6).
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