CN113499226A - Rehabilitation training device with adjustable upper limb movement range - Google Patents
Rehabilitation training device with adjustable upper limb movement range Download PDFInfo
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- CN113499226A CN113499226A CN202110988752.3A CN202110988752A CN113499226A CN 113499226 A CN113499226 A CN 113499226A CN 202110988752 A CN202110988752 A CN 202110988752A CN 113499226 A CN113499226 A CN 113499226A
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- rod
- belt wheel
- shaft
- transmission shaft
- fixed
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- 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
- A61H1/0274—Stretching or bending or torsioning apparatus for exercising for the upper 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
- 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
- A61H2205/06—Arms
Abstract
The invention discloses a rehabilitation trainer with adjustable upper limb movement range, which belongs to the field of rehabilitation medical instruments and comprises a seat, a support column and a rehabilitation training mechanism, wherein the seat is arranged at the rear side of the support column, the rehabilitation training mechanism is fixed on the support column and comprises a transmission shaft, a swinging rod and a translation shaft, a motor reducer drives the transmission shaft to rotate, the lower end of the swinging rod is fixed on the transmission shaft, the length of the swinging rod is adjustable, the translation shaft is rotatably arranged at the upper end of the swinging rod, a first belt wheel is fixed on the translation shaft, the translation shaft is connected with a double-link wheel through a first connecting rod, the double-link wheel is connected with the transmission shaft through a second connecting rod, the translation rod is connected with the double-link wheel through a second synchronous belt, the second belt wheel is coaxially arranged with the transmission shaft, the second belt wheel is fixed on the support column, and the translation rod always moves in the process of making a space motion of a circle in a vertical plane at the front side by a patient, and the length of the swinging rod is adjusted, so that the movement range and the movement difficulty of the rehabilitation training are adjusted.
Description
Technical Field
The invention relates to a rehabilitation training device with an adjustable upper limb movement range, and belongs to the technical field of rehabilitation medical appliances.
Background
In the old age diseases, cerebral apoplexy is one of the diseases which most seriously affect the health of old people, has extremely high disability rate, the disability rate of the apoplexy has the trend of rising along with the age, the pharmacotherapy has certain effect, the traditional Chinese medicine rehabilitation training treatment is also an effective treatment measure for improving the life quality of patients, the prior upper limb rehabilitation training device takes multiple degrees of freedom and multiple driving motors as the leading products, has high production cost, use cost and maintenance cost, improves the safety and stability, is difficult to be applied to families and community hospitals, even if a single rehabilitation training device capable of carrying out upper limb circle drawing movement exists, because the palm movement feeling of the affected limb side of the patient is poor, even the patient can not carry out autonomous movement at all, the wrist part of the patient needs to change the direction along with the traction or the palm revolution of the patient during the circle drawing movement, namely, the palm gripping part needs to rotate, even if the rotating mechanism can be connected with the traction mechanism, the safety is greatly reduced.
According to the technical scheme, the motor speed reducer is adopted to drive the transmission shaft to rotate, the transmission shaft drives the swinging rod to rotate, the length of the swinging rod is adjustable, the end part of the swinging rod is rotatably connected with the translation rod, the translation rod is connected with the dual wheel through belt transmission, the dual wheel is connected with the fixed non-rotating belt wheel through belt transmission, the translation rod always performs translation motion in the process that a patient performs circular space motion in a front vertical plane, and meanwhile, the length of the swinging rod is adjustable, so that the length of the swinging rod is increased after the patient recovers for a period of time, and the difficulty of recovery training is improved; the dual wheels are connected with the translation rod through the first connecting rod, and the dual wheels are connected with the fixed belt wheel through the second connecting rod, so that the length of the swinging rod, the distance between the dual wheels and the translation rod and the distance between the dual wheels and the fixed belt wheel are not changed in any way, reliable belt transmission is guaranteed, and the structural design is ingenious; the holding rod arranged in the vertical direction is fixed on the translation rod, so that the exercise habit of upper limb movement of healthy people is met, and the comfort of rehabilitation training is improved; a round hole is formed in the middle of the fixed belt wheel and is not in contact with the transmission rod, and the fixed belt wheel and the transmission rod are coaxially arranged.
Disclosure of Invention
The invention aims to: the lower end of the swinging rod is driven by the motor reducer, the upper end of the swinging rod is connected with the translation shaft through two-stage belt transmission, the two-stage belt transmission is connected through a connecting rod, a belt wheel in the one-stage belt transmission is fixed, the translation shaft does not rotate when the motor reducer rotates, and the adjustable rehabilitation trainer with the movement difficulty and the movement range is realized by adjusting the length of the swinging rod.
The technical scheme of the invention is realized as follows: a rehabilitation training device with adjustable upper limb movement range, which comprises a seat 1, a support column 2 and a rehabilitation training mechanism 3, a chair is arranged at the rear side of the supporting column 2, a rehabilitation training mechanism 3 is fixed at the upper end of the supporting column 2, the rehabilitation training mechanism 3 comprises a motor reducer 301, a transmission shaft 302, a swinging rod and a translation shaft 308, the motor speed reducer 301 is fixed on the support column 2, the motor speed reducer 301 is connected with the front end of the transmission shaft 302 through the coupler 311, a rotating support structure of the transmission shaft 302 is arranged on the support column 2, the rear end of the transmission shaft 302 is rotatably connected with the lower end of the second connecting rod 318, the transmission shaft 302 penetrates through the second connecting rod 318 backwards to fix the lower end of the swinging rod, the length of the swinging rod is adjustable, the upper end of the swinging rod is rotatably installed in the middle of the translation shaft 308, the rear end of the translation shaft 308 is fixed with the lower end of the holding rod 306, and the holding rod 306 is arranged along the vertical direction;
the front end of the translation shaft 308 is rotatably provided with the upper end of a first connecting rod 317, the translation shaft 308 penetrates out of the first connecting rod 317 forwards and then fixes a first belt wheel 316, the rear end of a middle shaft 313 is rotatably connected with the lower end of the first connecting rod 317, the upper end of a second connecting rod 318 is rotatably connected with the middle part of the middle shaft 313, the front end of the middle shaft 313 is rotatably connected with a dual pulley 314, the first belt wheel 316 and a third belt wheel arranged on the dual pulley 314 form belt transmission through a second synchronous belt 315, and a fourth belt wheel arranged on the dual pulley 314 and a second belt wheel 319 form belt transmission through a first synchronous belt 312;
the second belt wheel 319 is fixed on the support column 2, and the second belt wheel 319 is coaxial with the transmission shaft 302;
the third belt wheel, the fourth belt wheel, the first belt wheel 316 and the second belt wheel 319 have the same tooth number.
The structure of the second belt wheel 319 fixed support column 2 is as follows: the middle part of the transmission shaft 302 sequentially passes through an inner hole of the belt wheel frame 309 and an inner hole of the second belt wheel 319 backwards, the inner hole of the belt wheel frame 309, the inner hole of the second belt wheel 319 and the transmission shaft 302 are coaxially arranged, the diameters of the inner hole of the belt wheel frame 309 and the inner hole of the second belt wheel 319 are larger than those of the transmission shaft 302, the second belt wheel 319 is fixed by the belt wheel frame 309, the belt wheel frame 309 is fixed at the rear end of the supporting table 201, and the upper end of the supporting column 2 is provided with the supporting table 201 extending towards the rear side.
The length-adjustable structure of the swinging rod is as follows: the swing rod comprises a lower swing rod 303, a locking bolt 304 and an upper swing rod 305, the lower side of the upper swing rod 305 is in sliding connection with the upper side of the lower swing rod 303, the lower swing rod 303 is of a hollow structure, a hollow inner cavity of the lower swing rod 303 is in sliding connection with the outer contour of the upper swing rod 305, a threaded hole perpendicular to the length direction of the lower swing rod 303 is formed in the upper end of the lower swing rod 303, the threaded hole penetrates through the inner cavity from the outer wall of the lower swing rod 303, the locking bolt 304 is screwed in the threaded hole, and after the sliding positions of the lower swing rod 303 and the upper swing rod 305 are adjusted, the locking bolt 304 is screwed to achieve fixed connection of the lower swing rod 303 and the upper swing rod 305.
The length of the first connecting rod 317 is equal to that of the second connecting rod 318.
The structure of the rotary supporting structure provided with the transmission shaft 302 on the supporting column 2 is as follows: two bearing seats 310 are rotatably mounted in the middle of the driving shaft 302, and the two bearing seats 310 are fixed on the supporting platform 201.
The length of the first connecting rod 317 is equal to that of the second connecting rod 318.
The upper and lower ends of the grab bar 306 are fixed to the hand strap 307.
Compared with the prior art, the invention has the following advantages:
according to the technical scheme, the motor speed reducer is adopted to drive the transmission shaft to rotate, the transmission shaft drives the swinging rod to rotate, the length of the swinging rod is adjustable, the end part of the swinging rod is rotatably connected with the translation rod, the translation rod is connected with the dual wheel through belt transmission, the dual wheel is connected with the fixed non-rotating belt wheel through belt transmission, the translation rod always performs translation motion in the process that a patient performs circular space motion in a front vertical plane, and meanwhile, the length of the swinging rod is adjustable, so that the length of the swinging rod is increased after the patient recovers for a period of time, and the difficulty of recovery training is improved; the dual wheels are connected with the translation rod through the first connecting rod, and the dual wheels are connected with the fixed belt wheel through the second connecting rod, so that the length of the swinging rod, the distance between the dual wheels and the translation rod and the distance between the dual wheels and the fixed belt wheel are not changed in any way, reliable belt transmission is guaranteed, and the structural design is ingenious; the holding rod arranged in the vertical direction is fixed on the translation rod, so that the exercise habit of upper limb movement of healthy people is met, and the comfort of rehabilitation training is improved; a round hole is formed in the middle of the fixed belt wheel and is not in contact with the transmission rod, and the fixed belt wheel and the transmission rod are coaxially arranged.
Drawings
Fig. 1 is a schematic diagram of the general structure of the rehabilitation training device with adjustable upper limb movement range.
Fig. 2 is a schematic structural diagram of a rehabilitation training mechanism fixed on a support column.
Fig. 3 is a first structural schematic diagram of the rehabilitation training mechanism.
Fig. 4 is a schematic structural diagram two of the rehabilitation training mechanism.
Fig. 5 is a schematic structural view of a link mechanism and a belt transmission part of the rehabilitation training mechanism.
Description of reference numerals: 1-seat, 2-support column, 3-rehabilitation training mechanism, 201-support table, 301-motor reducer, 302-transmission shaft, 303-lower swing rod, 304-locking bolt, 305-upper swing rod, 306-hand holding rod, 307-hand strap, 308-translational shaft, 309-belt wheel frame, 310-bearing seat, 311-coupler, 312-synchronous belt I, 313-intermediate shaft, 314-dual-linkage wheel, 315-synchronous belt II, 316-belt wheel I, 317-connecting rod I, 318-connecting rod II and 319-belt wheel II.
Detailed Description
With reference to fig. 1-5, the rehabilitation training device with adjustable upper limb movement range of the present invention comprises a seat 1, a support column 2, and a rehabilitation training mechanism 3, wherein the directions of the present application are defined by the up-down, front-back, and left-right directions of a patient, so as to describe the present application, the back side of the support column 2 is provided with the seat, the upper end of the support column 2 is provided with a support table 201 extending towards the back side, the rehabilitation training mechanism 3 is fixed on the support table 201, the rehabilitation training mechanism 3 comprises a motor reducer 301, a transmission shaft 302, a swing rod, a holding rod 306, a hand strap 307, a translation shaft 308, a pulley bracket 309, a bearing pedestal 310, a coupling 311, a synchronous belt one 312, an intermediate shaft 313, a dual-coupling wheel 314, a synchronous belt two 315, a pulley one 316, a connecting rod one 317, a connecting rod two 318, and a pulley two 319, the swing rod comprises an upper swing rod 305, a locking bolt 304, and a lower swing rod 303, the front end of the supporting table 201 is fixed with a motor speed reducer 301, the output shaft of the motor speed reducer 301 is fixed with the front end of a coupler 311, the rear end of the coupler 311 is fixed with a transmission shaft 302, two bearing seats 310 are rotatably mounted in the middle of the transmission shaft 302, the two bearing seats 310 are fixed on the supporting table 201, the middle of the transmission shaft 302 passes through the inner hole of a pulley frame 309 and the inner hole of a pulley frame 319 backwards and is rotatably connected with the lower end of a connecting rod II 318, the rear end of the transmission shaft 302 is fixedly connected with the lower end of a lower swing rod 303, the inner hole of the pulley frame 309, the inner hole of the pulley frame 319 and the transmission shaft 302 are coaxially arranged, the diameters of the inner hole of the pulley frame 309 and the inner hole of the pulley frame 319 are both larger than the transmission shaft 302, the pulley frame 309 is fixed with the pulley frame 319, the pulley frame 309 is fixed at the rear end of the supporting table 201, the upper end of the connecting rod II 318 is rotatably connected with the middle of an intermediate shaft 313, the front end of the intermediate shaft 313 is rotatably connected with a dual pulley 314, the rear end of the middle shaft 313 is rotatably connected with the lower end of a first connecting rod 317, the upper end of the first connecting rod 317 is rotatably connected with the front end of a translational shaft 308, the translational shaft 308 penetrates out of the first connecting rod 317 forwards and then is fixed with a belt pulley 316, the middle part of the translational shaft 308 is rotatably connected with the upper end of an upper swing rod 305, the lower side of the upper swing rod 305 is slidably connected with the upper side of a lower swing rod 303, the lower swing rod 303 is of a hollow structure, a hollow inner cavity of the lower swing rod 303 is slidably connected with the outer contour of the upper swing rod 305, a threaded hole perpendicular to the length direction of the lower swing rod 303 is formed in the upper end of the lower swing rod 303, the threaded hole penetrates through the outer wall of the lower swing rod 303 to the inner cavity, a locking bolt 304 is screwed in the threaded hole and is used for adjusting the sliding positions of the lower swing rod 303 and the upper swing rod 305, the end of the locking bolt 304 tightly supports the upper swing rod 305, and the sliding positions of the lower swing rod 303 and the upper swing rod 305 are adjusted and fixed.
The first belt wheel 316 and a third belt wheel arranged on the dual-pulley 314 form belt transmission through a second synchronous belt 315, and the fourth belt wheel arranged on the dual-pulley 314 forms belt transmission through the first synchronous belt 312 and the second belt wheel 319.
The length of the first connecting rod 317 is equal to that of the second connecting rod 318.
The third belt wheel, the fourth belt wheel, the first belt wheel 316 and the second belt wheel 319 arranged on the dual gear 314 have the same tooth number, that is, the transmission ratio of the first belt wheel 316 to the third belt wheel is 1, and the transmission ratio of the second belt wheel 319 to the fourth belt wheel is 1.
The rear end of the translation shaft 308 is fixed at the lower end of the holding rod 306, the holding rod 306 is arranged along the vertical direction, and the upper end and the lower end of the holding rod 306 are fixed with the hand strap 307.
When a patient performs rehabilitation training, the position of the chair 1 is adjusted, the upper limb on one side of the patient is positioned at the rear side of the rehabilitation training mechanism 3, the locking bolt 304 is loosened, the lower swing rod 303 and the upper swing rod 305 are adjusted to slide mutually according to the range of the upper limb on the side of the patient capable of drawing a circle along a vertical plane, the first connecting rod 317 and the second connecting rod 318 swing, the locking bolt 304 is screwed, the length of the swing rod is adjusted, the palm of the patient grasps the hand holding rod 306, the hand binding belt 307 is tightened, the motor speed reducer 301 rotates, the transmission shaft 302 drives the transmission shaft 302 to rotate through the coupler 311, the transmission shaft 302 drives the lower swing rod 303 to swing, the upper swing rod 305 swings, the translation shaft 308 moves, as the second belt wheel 319 is fixed on the belt wheel frame 309, the belt wheel frame 309 is fixed on the support platform 201, the second belt wheel 319 does not rotate, the first belt wheel 316 and the belt wheel arranged on the double pulley 314 form belt transmission through the first synchronous belt pulley 312 and the second belt pulley 319, the belt transmission is formed by the first belt pulley 312 and the second belt pulley 319, and the transmission ratio of the belt wheel I316 to the belt wheel III is 1, the transmission ratio of the belt wheel II 319 to the belt wheel IV is 1, when the lower swing rod 303 and the upper swing rod 305 rotate by taking the transmission shaft 302 as a center, the translation shaft 308 cannot rotate around the center of the translation shaft, the translation shaft 308 can only translate along a circular track, and the holding rod 306 is always vertical, so that the palm or wrist joint of a patient is prevented from being damaged due to rotation when the palm of the patient moves in a translation manner in the upper limb rehabilitation training process, and the safety in the rehabilitation training process is improved.
Claims (7)
1. The utility model provides an upper limbs motion range adjustable rehabilitation training device which characterized in that: comprises a seat (1), a support column (2) and a rehabilitation training mechanism (3), wherein the seat is arranged at the rear side of the support column (2), the rehabilitation training mechanism (3) is fixed at the upper end of the support column (2), the rehabilitation training mechanism (3) comprises a motor speed reducer (301), a transmission shaft (302), a swinging rod and a flat moving shaft (308), the motor speed reducer (301) is fixed on the support column (2), the motor speed reducer (301) is connected with the front end of the transmission shaft (302) through a shaft coupling (311), the support column (2) is provided with a rotating support structure of the transmission shaft (302), the rear end of the transmission shaft (302) is rotatably connected with the lower end of a second connecting rod (318), the transmission shaft (302) passes through the lower end of the second connecting rod (318) backwards to fix the swinging rod, the length of the swinging rod is adjustable, the upper end of the swinging rod is rotatably installed at the middle part of the flat moving shaft (308), and the lower end of a holding rod (306) is fixed at the rear end of the flat moving shaft (308), the grab bar (306) is arranged along the vertical direction;
the front end of the translation shaft (308) is rotatably provided with the upper end of a first connecting rod (317), the translation shaft (308) penetrates out of the first connecting rod (317) forwards and then is fixedly provided with a first belt wheel (316), the rear end of a middle shaft (313) is rotatably connected with the lower end of the first connecting rod (317), the upper end of a second connecting rod (318) is rotatably connected with the middle part of the middle shaft (313), the front end of the middle shaft (313) is rotatably connected with a dual pulley (314), the first belt wheel (316) is in belt transmission with a third belt wheel arranged on the dual pulley (314) through a second synchronous belt (315), and a fourth belt wheel arranged on the dual pulley (314) is in belt transmission with a second belt wheel (319) through a first synchronous belt (312);
the second belt wheel (319) is fixed on the support column (2), and the second belt wheel (319) is coaxial with the transmission shaft (302);
the number of teeth of the third belt wheel, the fourth belt wheel, the first belt wheel (316) and the second belt wheel (319) is the same.
2. The adjustable upper limb range of motion rehabilitation trainer as claimed in claim 1, wherein: the belt wheel II (319) fixed support column (2) is structurally characterized in that: transmission shaft (302) middle part pass backward in proper order and take turns frame (309) hole and two (319) holes of band pulley, the hole of taking turns frame (309), the hole of two (319) of band pulley, transmission shaft (302) coaxial setting, the hole of taking turns frame (309) and two (319) hole diameters of band pulley all are greater than transmission shaft (302), two (319) of band pulley frame (309) fixed band pulley, take turns frame (309) to fix at brace table (201) rear end, the upper end of support column (2) is provided with brace table (201) that stretches out to the rear side.
3. The adjustable upper limb range of motion rehabilitation trainer as claimed in claim 1, wherein: the length-adjustable structure of the swinging rod is as follows: the swing rod include pendulum rod (303), locking bolt (304), go up pendulum rod (305) down, the downside of last pendulum rod (305) and the upside sliding connection of pendulum rod (303) down, pendulum rod (303) are hollow structure down, the outer profile sliding connection of the hollow inner chamber of lower pendulum rod (303) and last pendulum rod (305), the upper end of pendulum rod (303) is provided with the screw hole of pendulum rod (303) length direction under the perpendicular to, the screw hole runs through to the inner chamber from the outer wall of pendulum rod (303) down, locking bolt (304) are closed soon to the screw hole for after the sliding position of pendulum rod (303) and last pendulum rod (305) under the adjustment, pendulum rod (303) and last pendulum rod (305) fixed connection are realized down in locking bolt (304) of screwing.
4. The adjustable upper limb range of motion rehabilitation trainer as claimed in claim 1, wherein: the length of the first connecting rod (317) is equal to that of the second connecting rod (318).
5. The adjustable upper limb range of motion rehabilitation trainer according to claim 2, wherein: the structure of the rotary supporting structure provided with the transmission shaft (302) on the supporting column (2) is as follows: two bearing seats (310) are rotatably arranged in the middle of the transmission shaft (302), and the two bearing seats (310) are fixed on the support table (201).
6. The adjustable upper limb range of motion rehabilitation trainer according to any one of claims 1-5, wherein: the length of the first connecting rod (317) is equal to that of the second connecting rod (318).
7. The adjustable upper limb range of motion rehabilitation trainer according to any one of claims 1-5, wherein: the upper end and the lower end of the holding rod (306) are fixed with a hand strap (307).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110988752.3A CN113499226A (en) | 2021-08-26 | 2021-08-26 | Rehabilitation training device with adjustable upper limb movement range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110988752.3A CN113499226A (en) | 2021-08-26 | 2021-08-26 | Rehabilitation training device with adjustable upper limb movement range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113499226A true CN113499226A (en) | 2021-10-15 |
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ID=78016190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110988752.3A Pending CN113499226A (en) | 2021-08-26 | 2021-08-26 | Rehabilitation training device with adjustable upper limb movement range |
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| Country | Link |
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| CN (1) | CN113499226A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445153A (en) * | 2022-09-22 | 2022-12-09 | 安阳工学院 | Upper limb rehabilitation exercise trainer for stroke patient |
-
2021
- 2021-08-26 CN CN202110988752.3A patent/CN113499226A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115445153A (en) * | 2022-09-22 | 2022-12-09 | 安阳工学院 | Upper limb rehabilitation exercise trainer for stroke patient |
| CN115445153B (en) * | 2022-09-22 | 2023-06-30 | 安阳工学院 | Upper limb rehabilitation exercise trainer for cerebral apoplexy patient |
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