CN113289317B - Lower limb rehabilitation training device for bed - Google Patents

Lower limb rehabilitation training device for bed Download PDF

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Publication number
CN113289317B
CN113289317B CN202110782016.2A CN202110782016A CN113289317B CN 113289317 B CN113289317 B CN 113289317B CN 202110782016 A CN202110782016 A CN 202110782016A CN 113289317 B CN113289317 B CN 113289317B
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CN
China
Prior art keywords
lower limb
crank
pedal
rehabilitation training
bed
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CN202110782016.2A
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Chinese (zh)
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CN113289317A (en
Inventor
王勇
汪金龙
刘郑
钟金宏
刘正士
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Hefei University of Technology
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Hefei University of Technology
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Priority to CN202110782016.2A priority Critical patent/CN113289317B/en
Publication of CN113289317A publication Critical patent/CN113289317A/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL 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
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A61H1/0237—Stretching or bending or torsioning apparatus for exercising for the lower limbs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL 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
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A61H1/0237—Stretching or bending or torsioning apparatus for exercising for the lower limbs
    • A61H1/0266—Foot
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00178—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices for active exercising, the apparatus being also usable for passive exercising
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
    • A63B23/08—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs for ankle joints
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL 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
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0119—Support for the device
    • A61H2201/0138—Support for the device incorporated in furniture
    • A61H2201/0142—Beds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL 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
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/12—Driving means
    • A61H2201/1207—Driving means with electric or magnetic drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL 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
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/10—Leg
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL 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
    • A61H2205/00—Devices for specific parts of the body
    • A61H2205/12—Feet

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Rehabilitation Therapy (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The invention discloses a lower limb rehabilitation training device for a bed, which comprises a base, wherein the base is movable; and the lower limb training mechanism is arranged at one end of the support frame far away from the base, and is a swinging guide rod mechanism or a crank rocker mechanism which is composed of a support part, a rotating shaft, pedals, a crank, a rod piece and a sliding piece. The lower limb rehabilitation training device for the bed can eliminate local degrees of freedom, so that abnormal joint reaction can be restrained, certain movement angles are generated on ankle joints at two sides, ankle pump movement is formed, and the lower limb rehabilitation training device for the bed has good ankle joint training effect.

Description

Lower limb rehabilitation training device for bed
Technical Field
The invention relates to the technical field of sports equipment, in particular to a lower limb rehabilitation training device for a bed.
Background
At present, the population aging degree of China is increased, and the number of patients with unhealthy limbs is increased, so that limb rehabilitation auxiliary devices become research hotspots in the rehabilitation field, and various rehabilitation robots designed by research teams at home and abroad are put into practical use.
The existing limb rehabilitation training device has small joint movement angle in the rehabilitation training process, the ankle joint cannot be well trained, and the expected rehabilitation training effect cannot be achieved; in addition, the existing limb rehabilitation training device does not consider the training requirement of human ankle joints or set ankle joint training functions, and can also lead the ankle joints to be well trained in the rehabilitation training process and not reach the expected rehabilitation training effect. The rehabilitation training device on the bed also lacks ankle joint exercise training function.
Therefore, it is particularly important to develop a lower limb rehabilitation training device for a bed, which has a reasonable structure and can meet the requirements of ankle rehabilitation training.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a lower limb rehabilitation training device for a bed, which can meet the requirements of ankle rehabilitation training.
To achieve the above and other related objects, the present invention provides a lower limb rehabilitation training device for a bed, comprising:
a base, the base being movable;
the support frame is arranged on the base;
The lower limb training mechanism is arranged at one end of the support frame far away from the base and comprises a support part, a rotating shaft, a pedal, a crank, a rod piece and a sliding piece, and the lower limb training mechanism is a swinging guide rod mechanism or a crank rocker mechanism;
When the lower limb training mechanism is a swing guide rod mechanism, the supporting part is arranged at one end, far away from the base, of the supporting frame, the rotary shaft is rotatably arranged on the supporting part, the crank is fixedly connected with the rotary shaft, the crank is rotatably connected with the sliding part or the pedal, the rod piece and the sliding part form a moving pair, the rod piece and the supporting part form a revolute pair, when the crank is rotatably connected with the sliding part, the pedal is fixedly arranged on the sliding part or the rod piece, and when the crank is rotatably connected with the pedal, the pedal is fixedly arranged on the sliding part; or alternatively
When the lower limb training mechanism is a crank rocker mechanism, the supporting part is arranged at one end of the supporting frame far away from the base, the rotary shaft is rotatably arranged on the supporting part, the crank is fixedly connected with the rotary shaft, the crank is rotatably connected with the rod piece or the pedal, the rod piece and the sliding piece form a moving pair, the sliding piece and the supporting part form a revolute pair, when the crank is rotatably connected with the rod piece, the pedal is fixedly arranged on the sliding piece or the rod piece, and when the crank is rotatably connected with the pedal, the pedal is fixedly arranged on the rod piece.
In an alternative embodiment of the invention, the rehabilitation training device further comprises a handrail, wherein the handrail is mounted on the support frame.
In an alternative embodiment of the present invention, the rehabilitation training device further comprises a restraint component, wherein the restraint component comprises a suspension bracket, an adjusting rope, a positioning rod and a lower limb mounting bracket; the utility model discloses a pedal support device, including support part, cantilever mount, adjusting rope, pedal support plane, locating lever, pedal support plane, adjusting rope, cantilever mount, support part, adjusting rope, cantilever mount, adjusting rope, supporting part, adjusting rope's one end winding is fixed on the cantilever mount, the other end of adjusting rope with the one end of locating lever or the low limbs installation holds in the palm and is connected, the low limbs installation holds in the palm with the locating lever is connected, the other end of locating lever with pedal connection, the locating lever with pedal support plane's contained angle is adjustable.
In an optional embodiment of the present invention, the lower limb rehabilitation training device for bed further includes a clamping component disposed on the support frame; the clamping assembly comprises a mounting seat, a movable clamping piece, a fixed clamping piece, a locking knob and a height adjusting mechanism.
In an alternative embodiment of the invention, the lower limb training mechanism further comprises a driving member disposed within the support member, the driving member being coupled to the swivel shaft.
In an optional embodiment of the present invention, when the lower limb training mechanism is a swing guide rod mechanism, a position of a rotation center of the rod member is adjustable; when the lower limb training mechanism is a crank rocker mechanism, the position of the rotation center of the sliding piece is adjustable.
In an alternative embodiment of the present invention, the support frame includes a column, a column base, and a cantilever, the column base is mounted on the base, the column is mounted on the column base, the cantilever is mounted on an end of the column away from the column base, and the support member is mounted on the cantilever.
In an alternative embodiment of the invention, the height of the upright is adjustable and the length of the cantilever is adjustable.
In an alternative embodiment of the invention, the length of the crank is adjustable.
In an alternative embodiment of the invention, the lower limb rehabilitation training device for a bed further comprises a resistance component arranged in the support component, wherein the resistance component comprises a friction component, a magnetic control resistance generator or a flywheel.
The lower limb rehabilitation training device for the bed can eliminate local degrees of freedom, so that abnormal joint reaction is restrained, certain movement angles are generated on ankle joints at two sides, proper ankle pump movement is formed, and a good ankle joint training effect is achieved.
The bed lower limb rehabilitation training device has the advantages of simple structure, small volume and convenient overall arrangement. The base of the lower limb rehabilitation training device for the bed is stable in structure and convenient to move, and wheels are arranged on the base.
The lower limb training mechanism of the bed lower limb rehabilitation training device is adjustable in position and can be stored.
The length of the crank, the rod piece, the upright post of the support frame and the cantilever of the bed lower limb rehabilitation training device can be adjusted, so that the bed lower limb rehabilitation training device can better adapt to the exercise training requirements of different people and ensure the training effect.
The lower limb exercise training mechanism of the bed lower limb rehabilitation training device can directly reform the existing rehabilitation training device and the like so as to have the ankle joint training function.
The lower limb rehabilitation training device for the bed can meet the rehabilitation training requirements of people who cannot get out of the bed.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of a rehabilitation training device for lower limbs for a bed according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of another embodiment of a rehabilitation training device for lower limbs for bed according to an embodiment of the present invention.
Description of element reference numerals
A base 1; a universal wheel 2; a support 3; a column 31; a post base 32; a cantilever 33; a column rail 34; a first hand wheel 35; a hand wheel 36; a handrail 4; a lower limb training mechanism 5; a support member 51; a pedal 52; a rotation shaft 53; a crank 54; a slider 55; a rod 56; a support 57; a fixing plate 571; a movable plate 572; a man-machine interaction device 6; a clamping assembly 7; a locking knob 71; a mounting base 72; a movable clip 73; a fixed clip 74; a height adjusting mechanism 75; a restraining member 8; a hanger 81; an adjustment cord 82; a lower limb mounting bracket 83; positioning rod 84.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the illustrations, not according to the number, shape and size of the components in actual implementation, and the form, number and proportion of each component in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
Example 1
Referring to fig. 1, the present embodiment describes a lower limb rehabilitation training device for a bed, which includes a base 1, a support frame 3, a lower limb training mechanism 5, a clamping assembly 7 and a restraint member 8.
Referring to fig. 1, in this embodiment, a roller is mounted at the bottom of the base 1, so that the whole limb rehabilitation training device for a bed can be conveniently moved, the roller can be, for example, a universal wheel 2 with a locking device, and the limb rehabilitation training device for a bed can be conveniently moved to a designated position (for example, a bedside) and can be fixed by the locking device. Of course, in some embodiments, the base 1 may be provided without rollers.
Referring to fig. 1, in the present embodiment, the support frame 3 is disposed on one side of the base 1, and the length of the support frame 3 is adjustable. The support frame 3 includes a column base 32, a column 31 and a cantilever 33, wherein the column base 32 is fixedly mounted at one end of the base 1, the lower end of the column 31 is fixedly connected with the column base 32, the cantilever 33 is arranged at the top end of the column 31 and extends towards one side of the base 1 where the column base 32 is not arranged, and the cantilever 33 can be horizontally arranged or can have an inclination angle with the horizontal direction.
Referring to fig. 1, in this embodiment, the height of the upright 31 is adjustable, the upright 31 adopts a manual screw telescopic rod structure design (of course, other adjustment modes can be adopted to realize the length adjustment of the upright 31), a first hand wheel 35 is disposed on one side of the upright 31, the first hand wheel 35 is used as a driving part of the screw telescopic rod structure, and an operator can adjust the height of the upright 31 through the first hand wheel 35 to realize the height adjustment of the lower limb training mechanism 5.
Referring to fig. 1, in this embodiment, the length of the cantilever 33 is adjustable, for example, the cantilever 33 may also be designed with a manual screw telescopic rod structure (of course, the length adjustment of the cantilever 33 may also be realized with other adjustment manners), a hand wheel 36 is disposed on the cantilever 33, the hand wheel 36 is used as a driving portion of the screw telescopic rod structure, and an operator may adjust the length of the cantilever 33 through the hand wheel 36 to realize the position adjustment of the lower limb training mechanism 5 along the length direction of the cantilever 33.
Referring to fig. 1, in the present embodiment, the lower limb training mechanism 5 is a swing guide mechanism, and includes a support member 51, a pedal 52, a rotating shaft 53, a crank 54, a slider 55, a rod 56 (a guide rod serving as the swing guide mechanism), and a support 57. The support member 51 is mounted at one end of the cantilever 33 of the support frame 3, the rotating shaft 53 is rotatably mounted at one end of the support member 51 far away from the support frame 3, the crank 54 is fixedly connected with the end of the rotating shaft 53, the crank 54 is rotatably connected with the sliding member 55 or the pedal 52, the pedal 52 is mounted on the sliding member 55, the rod member 56 and the sliding member 55 form a moving pair, the rod member 56 and the support 57 form a rotating pair, and the support 57 is mounted at one end of the support member 51 far away from the rotating shaft 53. When the crank 54 rotates, the sliding member 55 is driven to move along the rod 56, and the rod 56 is driven to swing reciprocally around the rotation center.
Referring to fig. 1, in the present embodiment, the support 57 includes a pair of fixed plates 571 and a pair of movable plates 572, the pair of fixed plates 571 are disposed on two sides of the supporting member 51 and extend toward a side far away from the base 1, a movable plate 572 is mounted on an outer side of each fixed plate 571 in a height-adjustable manner, one end of the rod 56 far away from the sliding member 55 forms a revolute pair with the movable plate 572, and the height of the rotation center of the rod 56 is adjusted by adjusting the position of the movable plate 572 on the fixed plate 571. When the lower limb training is performed, a proper training posture can be selected by adjusting the height of the rotation center of the adjusting rod 56. It will be appreciated that the height of the centre of rotation of the lever 56 may also be fixed.
Referring to fig. 1, in a specific example of the present embodiment, the pedal 52, the crank 54, the slider 55, the rod 56 and the support 57 include two parts, which are respectively located at two sides of the supporting member 51. The two cranks 54 are respectively fixed at two ends of the rotating shaft 53, each crank 54 is rotatably connected with the pedal 52 or the sliding member 55 at the same side, each pedal 52 is fixedly mounted on the sliding member 55 at the same side, each sliding member 55 and the rod member 56 at the same side form a moving pair, and each rod member 56 and the support 57 form a rotating pair.
Of course, in some embodiments, the support 57 may not be provided, and the lever 56 may directly form a revolute pair with the supporting member 51.
Referring to fig. 1, in this embodiment, the crank 54 is a rod-type crank, one end of which is fixedly connected to one end of the rotating shaft 53, and the other end of which is rotatably connected to the pedal 52. Of course, in other embodiments, the crank 54 may be a disc crank.
In this embodiment, the gauge size of the crank 54 (defined as the length of the rod crank or the diameter of the disc crank) is adjustable.
Referring to fig. 1, in this embodiment, the lower limb rehabilitation training device for bed further includes a clamping assembly 7, where the clamping assembly 7 is used for fixing the lower limb rehabilitation training device for bed to the bed when moving to the bedside. The clamping assembly 7 comprises a mounting seat 72, a movable clamping piece 73, a fixed clamping piece 74, a locking knob 71 and a height adjusting mechanism 75. The mounting seat 72 is slidably mounted on the upright post 31 of the support frame 3, and the mounting seat 72 is slidably matched with the upright post sliding rail 34 arranged on the upright post 31; the height adjusting mechanism 75 is located between the mounting base 72 and the base 1, the height adjusting mechanism 75 may be, for example, a pneumatic spring or an electric push rod, the fixed end of the height adjusting mechanism 75 is mounted at the bottom of the upright column 31 (or may be mounted on the column base 32 or the base 1), and the output end of the height adjusting mechanism is connected with the base 1, and the height of the clamping assembly 7 may be adjusted by the height adjusting mechanism 75 to adapt to beds with different heights.
The fixed clamping piece 74 comprises a first clamping plate and a first horizontal plate arranged at the top end of the first clamping plate, the movable clamping piece 73 comprises a clamping plate and a horizontal plate arranged at the top end of the clamping plate, the fixed clamping piece 74 is fixed at one end of the mounting seat 72, an opening is formed in the first horizontal plate, a sliding groove corresponding to the opening is formed in the horizontal plate, the movable clamping piece 73 is installed on the first horizontal plate of the fixed clamping piece 74 in a stacked mode, a thread section of the locking knob 71 sequentially penetrates through the sliding groove and the opening and is fixed through screwing of a nut, and the fixed clamping piece 74 and the movable clamping piece 73 enclose an inverted U-shaped clamping opening. When the clamping assembly 7 is clamped, the locking knob 71 is firstly unscrewed, the distance between the first clamping plate and the clamping plate is adjusted by adjusting the relative position of the sliding groove on the fixed clamping piece 74, so as to realize the clamping action, and the locking knob 71 is locked.
As shown in fig. 1, in the present embodiment, the lower limb training mechanism 5 may further include a restraint member 8 for restraining the limb. The restraint member 8 includes a hanger 81, an adjustment cord 82, a positioning rod 84, and a lower limb mounting bracket 83. The suspension frame 81 is mounted on the top end of the supporting component 51, one end of the adjusting rope 82 is wound and fixed on the suspension frame 81, the other end of the adjusting rope 82 is connected with one end of the positioning rod 84 or the lower limb mounting support 83, the lower limb mounting support 83 is connected with the positioning rod 84, the other end of the positioning rod 84 is connected with the pedal 52, and an included angle between the positioning rod 84 and a supporting plane of the pedal 52 is adjustable. When the lower limb is trained, the proper training posture is determined by adjusting the adjusting rope 82 and the positioning rod 84 of the restraining component 8, the lower limb is placed on the lower limb mounting bracket 83, and the foot is placed on the pedal 52, so that the training can be started.
By way of example, the adjustment cord 82 and the lower limb mounting bracket 83 each include two corresponding to the pedals 52 on each side.
Referring to fig. 1, in the present embodiment, the lower limb rehabilitation training device for bed further includes a handrail 4, where the handrail 4 is used for a user to hold; the handrail 4 is installed on the clamping assembly 7 and comprises an installation seat, and can be lifted and lowered along with the clamping assembly 7 at the same time, so as to adapt to beds with different heights or other use environments. Of course, the armrest 4 and the clamping assembly 7 may also each be individually adjustable in position.
Referring to fig. 1, in this embodiment, the lower limb rehabilitation training device for bed further includes a human-computer interaction device 6, which is an intelligent control center and is used for controlling the lower limb rehabilitation training device for bed to work. The man-machine interaction device 6 may be disposed on top of the support 3 (or may be disposed at other suitable positions). As an example, the man-machine interaction device 6 is arranged on a cantilever 33 of the support frame 3. As an example, the man-machine interaction device 6 may be a remote control or a touch screen, etc.
Referring to fig. 1, in the present embodiment, the lower limb rehabilitation training device for bed further includes a driving member disposed in the supporting member 51, and the driving member is connected to the rotating shaft 53. The drive member may be a motor, or a combination of a motor and a decelerator, or a flywheel.
In this embodiment, the lower limb rehabilitation training device for bed further includes a resistance component disposed in the support component 51, where the resistance component includes a friction component, a magnetic control resistance generator, or a flywheel. The friction assembly comprises a friction plate and a friction plate seat which are matched with each other, the friction plate is installed on the rotating shaft 53, the friction plate seat is installed at one end, close to the rotating shaft 53, of the supporting component 51, and the friction plate seat are controlled to be screwed or loosened through the man-machine interaction device 6 to adjust the movement resistance. The magnetic control resistance generator comprises an aluminum disc flywheel and a permanent magnet assembly which are matched with each other, the aluminum disc flywheel is mounted on the rotating shaft 53, the permanent magnet assembly is mounted at one end, close to the rotating shaft 53, of the supporting component 51, the magnetic control resistance generator cuts magnetic induction lines between permanent magnets through the aluminum disc flywheel to generate eddy current to form resistance, and the man-machine interaction device 6 adjusts the distance between the aluminum disc and the permanent magnets to achieve adjustment of the resistance.
It will be appreciated that the support member 51 may of course comprise only a resistance member, without a drive member, and that the resistance member may be manually adjusted for operation or controlled for operation by the human interaction device 6.
It will be appreciated that the drive member may be employed directly as the resistance member without the additional provision of a friction pack or a magnetically controlled resistance generator as the resistance member. Taking a driving device with a motor or a combination of the motor and a speed reducer as an example, direct current which is not more than rated current of the motor can be input to the motor, so that the motor is in an energy consumption braking state and becomes a resistance source.
The lower limb rehabilitation training device for the bed can realize independent lower limb training, and the human body is prone when the lower limb is trained.
The lower limb rehabilitation training device for the bed can comprise three training modes, namely a passive training mode, a power-assisted training mode and an active training mode.
During passive training, the power sources are all from the driving part, the feet are positioned on the pedals 52, the driving part drives the crank 54 to rotate to drive the pedals 52 to move, and the pedals 52 drive the ankle to swing reciprocally.
During power-assisted training, between passive training and active training, the power source part comes from the driving part, part comes from human foot, operates the human-computer interaction device 6 controls the driving part to turn into the power-assisted training mode, and the intelligent induction system (comprising a sensor and a control circuit) is started to complete the power-assisted training in cooperation with human ankle.
When the human body is actively trained, the human feet are used as power sources to drive the pedals 52 to move, the human-computer interaction device 6 can be used for controlling the training resistance, the resistance of different magnitudes can be used for exercising the muscle movement of the lower limbs of the human body in different degrees, and the control capacity of the brain nerves to the muscle movement is remodeled in a layered and graded mode.
The lower limb rehabilitation training device for the bed can eliminate local degrees of freedom, so that abnormal joint reaction is restrained, certain movement angles are generated on ankle joints on two sides, proper ankle pump movement is formed, and good ankle joint training effect is achieved. The lower limb rehabilitation training device for the bed has the advantages of simple structure, small volume and convenient overall arrangement. The base of the lower limb rehabilitation training device for the bed is stable in structure and convenient to move, and wheels are arranged on the base. The lower limb training mechanism of the lower limb rehabilitation training device for the bed of the embodiment is adjustable in position and can be stored. The length of the crank, the rod piece, the stand column of the support frame and the cantilever of the bed lower limb rehabilitation training device can be adjusted, the bed lower limb rehabilitation training device can be well adapted to the exercise training requirements of different crowds, and the training effect is guaranteed. The lower limb exercise training mechanism of the bed lower limb rehabilitation training device of the embodiment can directly reform the existing rehabilitation training device and the like, so that the lower limb exercise training mechanism has an ankle joint training function. The rehabilitation training device can meet the rehabilitation training requirements of people who cannot get out of bed.
Example two
As shown in fig. 2, this embodiment describes another lower limb rehabilitation training device for bed. The lower limb rehabilitation training device for a bed of the first embodiment adopts different lower limb training mechanisms 5 and other structures are basically the same, so that the description is not repeated, wherein the lower limb training mechanism 5 of the first embodiment is a crank rocker mechanism, and the lower limb training mechanism 5 of the first embodiment is a swing guide rod mechanism.
As shown in fig. 2, in the present embodiment, the lower limb training mechanism 5 is a crank rocker mechanism, and includes a support member 51, a pedal 52, a pivot shaft 53, a crank 54, a slider 55 (as a rocker of the crank rocker mechanism), a rod 56 (as a link of the crank rocker mechanism), and a support 57. The support member 51 is mounted at one end of the cantilever 33 of the support frame 3, the rotating shaft 53 is rotatably mounted at one end of the support member 51 far away from the support frame 3, the crank 54 is fixedly connected with the end of the rotating shaft 53, the crank 54 is rotatably connected with the rod member 56 or the pedal 52, the pedal 52 is fixedly mounted on the rod member 56, the rod member 56 and the sliding member 55 form a sliding pair, the sliding member 55 and the support 57 form a rotating pair, and the support 57 is mounted at one end of the support member 51 far away from the rotating shaft 53.
As shown in fig. 2, in the present embodiment, the support 57 includes a pair of fixed plates 571 and a pair of movable plates 572, the pair of fixed plates 571 are disposed on both sides of the supporting member 51 and extend toward a side far from the base 1, a movable plate 572 is mounted on an outer side of each fixed plate 571 in a height-adjustable manner, the sliding member 55 and the movable plate 572 form a revolute pair, and a height of a rotation center of the sliding member 55 is adjusted by adjusting a position of the movable plate 572 on the fixed plates 571. It will be appreciated that the height of the center of rotation of the slider 55 may also be fixed.
Referring to fig. 2, in a specific example of the present embodiment, the pedal 52, the crank 54, the slider 55, the rod 56 and the support 57 include two parts, which are respectively located at two sides of the supporting member 51. The two cranks 54 are respectively fixed at two ends of the rotating shaft 53, each crank 54 is rotatably connected with the pedal 52 or the rod 56 on the same side, each pedal 52 is fixedly mounted on the rod 56 on the same side, each sliding member 55 and the rod 56 on the same side form a sliding pair, and each sliding member 55 and the support 57 form a revolute pair.
Of course, in some embodiments, the support 57 may not be provided, and the sliding member 55 may directly form a revolute pair with the supporting member 51.
Referring to fig. 2, in this embodiment, the crank 54 is a rod-type crank, one end of which is fixedly connected to one end of the rotating shaft 53, and the other end of which is rotatably connected to the pedal 52. Of course, in other embodiments, the crank 54 may be a disc crank.
In this embodiment, the gauge size of the crank 54 (defined as the length of the rod crank or the diameter of the disc crank) is adjustable.
In this embodiment, the lower limb rehabilitation training device for bed further includes a driving member provided in the supporting member 51, and the driving member is connected to the rotating shaft 53. The drive member may be a motor, or a combination of a motor and a decelerator, or a flywheel. Details of the first embodiment are described in the relevant portions, and are not described herein.
In this embodiment, the lower limb training mechanism 5 further includes a resistance member disposed within the support member 51, the resistance member including a friction assembly, a magnetic control resistance generator, or a flywheel. Details of the first embodiment are described in the relevant portions, and are not described herein.
In this embodiment, as shown in fig. 2, the lower limb rehabilitation training device for bed further includes an armrest 4 and a human-computer interaction device 6. Details of the first embodiment are described in the relevant portions, and are not described herein.
The lower limb rehabilitation training device for the bed can realize independent lower limb training, and the human body is prone when the lower limb is trained.
The lower limb rehabilitation training device for the bed can comprise three training modes, namely a passive training mode, a power-assisted training mode and an active training mode, and the detailed description of the relevant parts of the embodiment is provided.
The lower limb rehabilitation training device for the bed can eliminate local degrees of freedom, so that abnormal joint reaction is restrained, certain movement angles are generated on ankle joints on two sides, proper ankle pump movement is formed, and good ankle joint training effect is achieved. The lower limb rehabilitation training device for the bed has the advantages of simple structure, small volume and convenient overall arrangement. The base of the lower limb rehabilitation training device for the bed is stable in structure and convenient to move, and wheels are arranged on the base. The lower limb training mechanism of the lower limb rehabilitation training device for the bed of the embodiment is adjustable in position and can be stored. The length of the crank, the rod piece, the stand column of the support frame and the cantilever of the bed lower limb rehabilitation training device can be adjusted, the bed lower limb rehabilitation training device can be well adapted to the exercise training requirements of different crowds, and the training effect is guaranteed. The lower limb exercise training mechanism of the bed lower limb rehabilitation training device of the embodiment can directly reform the existing rehabilitation training device and the like, so that the lower limb exercise training mechanism has an ankle joint training function. The rehabilitation training device can meet the rehabilitation training requirements of people who cannot get out of bed.
Example III
The third lower limb rehabilitation training device for bed according to the present embodiment is that the pedals 52 in the lower limb training mechanism 5 of the first embodiment are directly and fixedly mounted on the rod 56, and at this time, the crank 54 is rotationally connected with the sliding member 55, and the pedals 52 can swing synchronously with the rod 56. Other structures are substantially the same as those of the first embodiment, and thus will not be described again.
Example IV
The fourth lower limb rehabilitation training device for bed according to the present embodiment is that the pedals 52 in the lower limb training mechanism 5 of the second embodiment are directly and fixedly mounted on the sliding member 55, and at this time, the crank 54 is rotationally connected with the rod 56, and the pedals 52 can swing synchronously with the sliding member 55. Other structures are basically the same as those of the second embodiment, and thus will not be described again.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
In the description herein, numerous specific details are provided, such as examples of components and/or methods, to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, components, methods, components, materials, parts, and so forth. In other instances, well-known structures, materials, or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Reference throughout this specification to "one embodiment," "an embodiment," or "a particular embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment, and not necessarily all embodiments, of the present invention. Thus, the appearances of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any specific embodiment of the present invention may be combined in any suitable manner with one or more other embodiments. It will be appreciated that other variations and modifications of the embodiments of the invention described and illustrated herein are possible in light of the teachings herein and are to be considered as part of the spirit and scope of the invention.
It will also be appreciated that one or more of the elements shown in the figures may also be implemented in a more separated or integrated manner, or even removed because of inoperability in certain circumstances or provided because it may be useful depending on the particular application.
In addition, any labeled arrows in the drawings/figures should be considered only as exemplary, and not limiting, unless otherwise specifically indicated. Furthermore, the term "or" as used herein is generally intended to mean "and/or" unless specified otherwise. Combinations of parts or steps will also be considered as being noted where terminology is foreseen as rendering the ability to separate or combine is unclear.
As used in the description herein and throughout the claims that follow, unless otherwise indicated, "a", "an", and "the" include plural references. Also, as used in the description herein and throughout the claims that follow, unless otherwise indicated, the meaning of "in …" includes "in …" and "on …".
The above description of illustrated embodiments of the invention, including what is described in the abstract, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. Although specific embodiments of, and examples for, the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the present invention, as those skilled in the relevant art will recognize and appreciate. As noted, these modifications can be made to the present invention in light of the foregoing description of illustrated embodiments of the present invention and are to be included within the spirit and scope of the present invention.
The systems and methods have been described herein in general terms as being helpful in understanding the details of the present invention. Furthermore, various specific details have been set forth in order to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, and/or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Thus, although the invention has been described herein with reference to particular embodiments thereof, a latitude of modification, various changes and substitutions are intended in the foregoing disclosures, and it will be appreciated that in some instances some features of the invention will be employed without a corresponding use of other features without departing from the scope and spirit of the invention as set forth. Therefore, many modifications may be made to adapt a particular situation or material to the essential scope and spirit of the present invention. It is intended that the invention not be limited to the particular terms used in following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Accordingly, the scope of the invention should be determined only by the following claims.

Claims (8)

1. A lower limb rehabilitation training device for a bed, which is characterized by comprising:
a base, the base being movable;
the support frame is arranged on the base;
The lower limb training mechanism is arranged at one end of the support frame far away from the base and comprises a support part, a rotating shaft, a pedal, a crank, a rod piece and a sliding piece, and the lower limb training mechanism is a swinging guide rod mechanism or a crank rocker mechanism;
When the lower limb training mechanism is a swing guide rod mechanism, the supporting part is arranged at one end, far away from the base, of the supporting frame, the rotary shaft is rotatably arranged on the supporting part, the crank is fixedly connected with the rotary shaft, the crank is rotatably connected with the sliding part or the pedal, the rod piece and the sliding part form a moving pair, the rod piece and the supporting part form a revolute pair, when the crank is rotatably connected with the sliding part, the pedal is fixedly arranged on the sliding part or the rod piece, and when the crank is rotatably connected with the pedal, the pedal is fixedly arranged on the sliding part; or alternatively
When the lower limb training mechanism is a crank rocker mechanism, the supporting part is arranged at one end, far away from the base, of the supporting frame, the rotary shaft is rotatably arranged on the supporting part, the crank is fixedly connected with the rotary shaft, the crank is rotatably connected with the rod piece or the pedal, the rod piece and the sliding piece form a moving pair, the sliding piece and the supporting part form a revolute pair, when the crank is rotatably connected with the rod piece, the pedal is fixedly arranged on the sliding piece or the rod piece, and when the crank is rotatably connected with the pedal, the pedal is fixedly arranged on the rod piece;
When the lower limb training mechanism is a swing guide rod mechanism, the position of the rotation center of the rod piece is adjustable; when the lower limb training mechanism is a crank rocker mechanism, the position of the rotation center of the sliding piece is adjustable;
The length of the crank is adjustable.
2. The lower limb rehabilitation training device for a bed according to claim 1, further comprising a handrail mounted on the support frame.
3. The lower limb rehabilitation training device for a bed according to claim 1, further comprising a restraint member including a hanger, an adjusting rope, a positioning rod and a lower limb mounting bracket; the utility model discloses a pedal support device, including support part, cantilever mount, adjusting rope, pedal support plane, locating lever, pedal support plane, adjusting rope, cantilever mount, support part, adjusting rope, cantilever mount, adjusting rope, supporting part, adjusting rope's one end winding is fixed on the cantilever mount, the other end of adjusting rope with the one end of locating lever or the low limbs installation holds in the palm and is connected, the low limbs installation holds in the palm with the locating lever is connected, the other end of locating lever with pedal connection, the locating lever with pedal support plane's contained angle is adjustable.
4. The lower limb rehabilitation training device for a bed according to claim 1, further comprising a clamping assembly arranged on the support frame; the clamping assembly comprises a mounting seat, a movable clamping piece, a fixed clamping piece, a locking knob and a height adjusting mechanism.
5. The bed lower limb rehabilitation training device according to claim 1, wherein the lower limb training mechanism further comprises a driving member provided in the supporting member, the driving member being connected to the swivel shaft.
6. The bed lower limb rehabilitation training device according to claim 1, wherein the support frame comprises a column, a column base and a cantilever, the column base is mounted on the base, the column is mounted on the column base, the cantilever is mounted on one end of the column far away from the column base, and the support member is mounted on the cantilever.
7. The rehabilitation training device for lower limbs for beds according to claim 6, wherein the height of the upright is adjustable and the length of the cantilever is adjustable.
8. The lower extremity rehabilitation training device for a bed according to claim 1, further comprising a resistance component disposed within the support component, wherein the resistance component comprises a friction assembly, a magnetically controlled resistance generator, or a flywheel.
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