CN113499566A - Recovered auxiliary assembly of knee joint for orthopedics - Google Patents

Recovered auxiliary assembly of knee joint for orthopedics Download PDF

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Publication number
CN113499566A
CN113499566A CN202110785370.0A CN202110785370A CN113499566A CN 113499566 A CN113499566 A CN 113499566A CN 202110785370 A CN202110785370 A CN 202110785370A CN 113499566 A CN113499566 A CN 113499566A
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CN
China
Prior art keywords
fixedly connected
support
seat
connecting rod
knee joint
Prior art date
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Granted
Application number
CN202110785370.0A
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Chinese (zh)
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CN113499566B (en
Inventor
任锟
李彦杰
魏桂梅
韩磊
邢若星
赵晶
吉鸿涛
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Henan Hospital Traditional Chinese Medicine Second Affiliated Hospital of Henan University of Traditional Chinese Medicine TCM
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Henan Hospital Traditional Chinese Medicine Second Affiliated Hospital of Henan University of Traditional Chinese Medicine TCM
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Priority to CN202110785370.0A priority Critical patent/CN113499566B/en
Publication of CN113499566A publication Critical patent/CN113499566A/en
Application granted granted Critical
Publication of CN113499566B publication Critical patent/CN113499566B/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
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/06—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement
    • A63B22/0605—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with support elements performing a rotating cycling movement, i.e. a closed path movement performing a circular movement, e.g. ergometers
    • 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
    • A61H1/0214—Stretching or bending or torsioning apparatus for exercising by rotating cycling movement
    • 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
    • A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
    • 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
    • A63B21/012—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using frictional force-resisters
    • A63B21/015—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using frictional force-resisters including rotating or oscillating elements rubbing against fixed elements
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/0002—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms
    • A63B22/0007—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements involving an exercising of arms by alternatively exercising arms or legs, e.g. with a single set of support elements driven either by the upper or 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
    • A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
    • A61H2015/0007—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis
    • A61H2015/0028—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis disc-like, i.e. diameter substantially greater than width
    • 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
    • A61H2201/0149—Seat or chair
    • 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
    • A61H2201/1253—Driving means driven by a human being, e.g. hand driven
    • A61H2201/1261—Driving means driven by a human being, e.g. hand driven combined with active exercising of the patient
    • A61H2201/1269—Passive exercise driven by movement of healthy 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
    • A61H2201/14—Special force transmission means, i.e. between the driving means and the interface with the user
    • 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
    • A61H2201/16—Physical interface with patient
    • A61H2201/1657—Movement of interface, i.e. force application means
    • A61H2201/1671—Movement of interface, i.e. force application means rotational
    • 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
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2210/00—Space saving
    • A63B2210/02—Space saving incorporated in chairs

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

Abstract

The utility model provides an orthopedics knee joint rehabilitation auxiliary device, effectively solves the problem that the existing knee joint training device has poor training effect, brings discomfort to the patient when in use, and influences the rehabilitation progress of the patient; including height-adjustable's seat, the seat front side is equipped with adjustable first support, the first support left and right sides is rotated and is connected with the footboard, the footboard below is equipped with synchronous motion's first slider, fixedly connected with rack on the first slider, rack toothing has first accelerating gear group, fixedly connected with slip axle on the first accelerating gear group, slip axle fixedly connected with and seat sliding connection's first massage dish, first massage dish front side is equipped with rotatable second massage dish, first connecting rod upper end articulates there is the connecting block, fixedly connected with stay cord on the connecting block, stay cord middle part sliding connection has the pulley, the pulley rotates and is connected with the second support with first support fixed connection, the second support rotates and is connected with the rocker with footboard synchronous motion.

Description

Recovered auxiliary assembly of knee joint for orthopedics
Technical Field
The invention relates to the technical field of medical assistance, in particular to knee joint rehabilitation auxiliary equipment for orthopedics.
Background
The knee joint injury is contact injury or non-contact injury commonly seen in sports, a patient often needs to lie in bed for a long time for repairing because of the knee joint injury, and needs to do rehabilitation training after the long-term lying repairing, but the knee joint of the patient is still fragile at the moment.
However, the existing rehabilitation training for the knee joint of the patient mostly adopts a mode that the patient holds a walking stick to walk slowly or a medical worker supports the patient to walk to exercise, the training mode increases the workload of the medical worker, and the weight of the patient presses the knee joint from beginning to end when the patient walks, so that the patient is easy to cause secondary damage to the knee joint of the patient when the patient does not adapt to the training mode, and the rehabilitation of the patient is not facilitated; in addition, the existing device or equipment capable of assisting the rehabilitation exercise of the knee joint usually needs the patient to stretch or perform rehabilitation exercise through other types of movement in the standing process, and after the patient stands for a long time, discomfort is easily brought, so that the gradual rehabilitation of the patient is not facilitated.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the knee joint rehabilitation auxiliary equipment for the orthopedics department, and the problems that the existing knee joint training device is poor in training effect, brings discomfort to the patient when in use and influences the rehabilitation progress of the patient are effectively solved through the design.
In order to achieve the purpose, the invention provides the following technical scheme: the invention comprises a height-adjustable seat, wherein a rotatable screw is rotatably connected with the seat, a first support which is connected with the seat in a sliding manner is in threaded connection with the screw, pedals are rotatably connected on the left side and the right side of the first support, a bent first connecting rod is fixedly connected with the pedals, a second connecting rod is hinged at the lower end of the first connecting rod, a first sliding block is hinged at the lower end of the second connecting rod, the first sliding block is in sliding connection with the first support and the seat, a rack is fixedly connected with the first sliding block, the rack is meshed with a first accelerating gear set, a sliding shaft is fixedly connected with the first accelerating gear set, the sliding shaft is fixedly connected with a first massage disk which is in sliding connection with the seat, a rotatable second massage disk is arranged on the front side of the first massage disk, and a vertically-liftable support rod is rotatably connected with the bottom of the second massage disk, the utility model discloses a ratchet wheel, including first connecting rod, stay cord, pulley, first connecting rod, ratchet, connecting rod, fixed connection has the connecting block in the upper end of first connecting rod, fixedly connected with stay cord on the connecting block, stay cord middle part sliding connection has the pulley, the pulley rotates to be connected with the second support with first support fixed connection, but sliding connection has vertical gliding second slider in the second support, both sides all articulate has the third connecting rod around the second slider, it has the fourth connecting rod to articulate on the third connecting rod, the fourth connecting rod rotates and is connected with the ratchet, the ratchet left and right sides all cooperates there is the pawl, the pawl with the fourth connecting rod rotates to be connected, the coaxial fixedly connected with of ratchet rotates the rocker of being connected with the second support.
Preferably, the seat comprises a first support plate connected with a first support in a sliding manner, a sliding groove matched with the first sliding block is formed in the first support plate, two connecting rods capable of moving relatively are connected to the first sliding block in a sliding manner, a first sleeve connected with the first support plate in a sliding manner is hinged to the connecting rods, an X-shaped connecting rod group is hinged to the first sleeve, a second sleeve is hinged to the upper end of the connecting rod group, a second support plate is connected to the second sleeve in a sliding manner, the first massage disc and the second massage disc are located on the second support plate, guardrails are fixedly connected to the left side and the right side of the second support plate, an adjustable lying plate is connected to the rear side of the second support plate in a rotating manner, a worm wheel is coaxially and fixedly connected to the lying plate, and is meshed with a worm rod connected with the second support plate in a rotating manner.
Preferably, the first support plate is rotatably connected with a control handle, the control handle is fixedly connected with a first bevel gear set fixedly connected with a screw rod, the screw rod is provided with two sections of thread grooves which are different in rotation direction, and the screw rod penetrates through the two connecting rods and is in threaded connection with the two connecting rods.
Preferably, the sliding shaft comprises a first shaft body fixedly connected with the accelerating gear set, the first shaft body is slidably connected with a second shaft body fixedly connected with the first massage disc, the second shaft body is fixedly connected with a first gear and a second gear which are different in size, the first gear is meshed with a third gear fixedly connected with the support rod, and the second gear is meshed with a fourth gear rotatably connected with the seat;
fixedly connected with rotates the connecting pipe of being connected with the seat on the fourth gear, it has the cam groove to open on the connecting pipe, sliding connection has the elevator with bracing piece fixed connection on the cam groove, a pot head of bracing piece is in the connecting pipe, the elevator is located third gear below, third gear upside with install first spring between the seat.
Preferably, a rotating disc is fixedly and coaxially fixedly connected to the pulley, a cylindrical pin is fixedly connected to the rotating disc, the cylindrical pin is connected with a key-shaped block in a sliding mode, a key-shaped hole matched with the cylindrical pin is formed in the key-shaped block, a cylindrical rod fixedly connected with the second sliding block is fixedly connected to the key-shaped block, and the cylindrical rod is connected with the second support in a sliding mode.
Preferably, a torsion spring is installed between the pawl and the third connecting rod, the pawl comprises a left pawl and a right pawl, the claw tip of the left pawl faces upwards, and the claw tip of the right pawl faces downwards.
Preferably, the equal fixedly connected with in the left and right sides of pawl rotates the resistance wheel of being connected with the second support, the cooperation has resistance adjustable resistance piece on the resistance wheel, sliding connection has the rectangular block with second support sliding connection on the resistance piece, the rectangular block with install the second spring between the resistance piece, rotate on the rectangular block and be connected with the regulation pole with second support threaded connection.
Preferably, the left side and the right side of the pedal are both fixedly connected with buckles, and the buckles are provided with lacing capable of being tightened.
Preferably, the seat and the bottom of the first support are both fixedly connected with a support, and rollers are rotationally connected in the supports.
Preferably, a second bevel gear set which is rotatably connected with the first bracket is fixedly connected between the two pedals.
Compared with the prior art, the invention has the outstanding advantages that: the height of the seat and the distance between the seat and the first support and the second support can be adjusted through the screw rod, so that the applicable crowd of the device is increased, and the comfort level of a user during training is improved; the knee joint is trained by treading the pedal by the legs, the upper limbs and the first massage disk and the second massage disk are driven to massage the limbs of the user during the knee joint training, the comprehensive improvement of the physical quality of the user is promoted by multi-directional exercise and massage, and a better training effect is achieved; the knee joint training device is novel in structure, ingenious in conception and simple and convenient to operate, and effectively solves the problems that the existing knee joint training device is poor in training effect, discomfort is brought to a patient when the knee joint training device is used, and the rehabilitation progress of the patient is influenced.
Drawings
FIG. 1 is a schematic view of the overall first axial side structure of the present invention.
FIG. 2 is a schematic overall second axial side structure of the present invention.
Fig. 3 is a view of the seat structure of the present invention.
Fig. 4 is a schematic cross-sectional view of a first stent and a second stent according to the present invention.
Fig. 5 is a schematic view of the internal structure of the first bracket of the present invention.
Fig. 6 is a schematic view of the internal structure of a second stent of the present invention.
Fig. 7 is a schematic view of a seat part structure according to the present invention.
Fig. 8 is a schematic view of the connection structure of the first massage disk and the second massage disk of the present invention.
Fig. 9 is a schematic view of a coupling structure of the second massage plate portion of the present invention.
FIG. 10 is an enlarged view of A in FIG. 2 according to the present invention.
Reference numbers in the figures: 1. a first support plate; 2. a chute; 3. a connecting rod; 4. a first sleeve; 5. a linkage; 6. a second sleeve; 7. a second support plate; 8. a guardrail; 9. a lying board; 10. a worm gear; 11. a worm; 12. a handle; 13. a first bevel gear set; 14. A screw; 15. a first bracket; 16. a pedal; 17. a retaining ring; 18. a belt; 19. a first link; 20. a second link; 21. A first slider; 22. a rack; 23. a first speed-up gear set; 24. a slip axis; 2401. a first shaft body; 2402. a second shaft body; 25. a first massage plate; 26. a second massage plate; 27. a first gear; 28. a second gear; 29. a third gear; 30. A fourth gear; 31. a support bar; 32. a connecting pipe; 33. a cam slot; 34. a lifting block; 35. a first spring; 36. connecting blocks; 37. pulling a rope; 38. a pulley; 39. a second bracket; 40. a turntable; 41. a cylindrical pin; 42. a key-type block; 43. a cylindrical rod; 44. a second slider; 45. a third link; 46. a fourth link; 47. a ratchet wheel; 48. a pawl; 49. a torsion spring; 50. A rocker; 51. a resistance wheel; 52. a resistance block; 53. a rectangular block; 54. a second spring; 55. adjusting a rod; 56. a support; 57. a second bevel gear set.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 10.
The invention comprises a height-adjustable seat, wherein a rotatable screw 14 is rotatably connected with the seat, a first support 15 which is connected with the seat in a sliding way is connected on the screw 14 in a threaded way, pedals 16 are rotatably connected on the left side and the right side of the first support 15, a bent first connecting rod 19 is fixedly connected on each pedal 16, a second connecting rod 20 is hinged at the lower end of each first connecting rod 19, a first sliding block 21 is hinged at the lower end of each second connecting rod 20, each first sliding block 21 is connected with the first support 15 and the seat in a sliding way, a rack 22 is fixedly connected on each first sliding block 21, a first accelerating gear set 23 is meshed with each rack 22, a first accelerating gear set 24 is fixedly connected on each first accelerating gear set 23, a first massage disk 25 which is connected with the seat in a sliding way is fixedly connected on each sliding shaft 24, and a rotatable second massage disk 26 is arranged on the front side of each first massage disk 25, the bottom of the second massage disc 26 is rotatably connected with a vertically lifting support rod 31, the upper end of the first connecting rod 19 is hinged with a connecting block 36, a pull rope 37 is fixedly connected onto the connecting block 36, the middle of the pull rope 37 is slidably connected with a pulley 38, the pulley 38 is rotatably connected with a second support 39 fixedly connected with the first support 15, a second slider 44 capable of vertically sliding is slidably connected into the second support 39, the front side and the rear side of the second slider 44 are hinged with third connecting rods 45, the third connecting rods 45 are hinged with fourth connecting rods 46, the fourth connecting rods 46 are rotatably connected with ratchet wheels 47, the left side and the right side of each ratchet wheel 47 are matched with pawls 48, the pawls 48 are rotatably connected with the fourth connecting rods 46, and the ratchet wheels 47 are coaxially and fixedly connected with rockers 50 rotatably connected with the second support 39.
The horizontal height of the seat and the distance between the seat and the first support 15 and the second support 39 can be adjusted through the screw 14, so that the device is suitable for people with different heights, when the seat and the first support 15 are adjusted through the screw 14, the first support 15 moves forwards relative to the seat while the height of the seat is increased, and the distance between the seat and the first support 15 is increased at the same time, so that the device is suitable for users with higher heights; when the height of the user is low, the screw rod 14 is rotated, the height of the seat is reduced, and the distance between the first bracket 15 and the seat is reduced, so that the upper limb of the user on the seat can hold the rocker 50 on the second bracket 39, and the lower limb of the user can be matched with the pedal 16 in a treading manner; when a user trains, firstly, the changed foot is fixed on the pedal 16 through the belt 18 and the buckle 17, the foot is ensured to be constantly contacted with the pedal 16, the included angle between the two pedals 16 in the initial state and the horizontal plane is different, the moving directions of the two pedals 16 are opposite, when the user tramples the pedal 16 to move, the pedal 16 drives the first connecting rod 19 to rotate, the second connecting rod 20 is driven to rotate to drive the second connecting rod 20 to move, the second connecting rod 20 drives the first sliding block 21 to move back and forth, the first sliding block 21 moves back and forth to drive the rack 22 to move back and forth, the rack 22 moves back and forth to drive the accelerating gear set to rotate, the accelerating gear set is formed by mutually meshing a large gear and a small gear, the small gear is coaxially and fixedly connected with the sliding shaft 24, the accelerating gear set rotates to drive the sliding shaft 24 to rotate, the sliding shaft 24 drives the first massage disc 25 and the second massage disc 26 to massage the hip and thigh of the patient to help the patient to relieve the muscle Meat fatigue, the first connecting rod 19 can drive the pulley 38 to rotate in a reciprocating mode through the connecting block 36 and the pull rope 37 when rotating, the pulley 38 rotates in a reciprocating mode to drive the rotary disc 40 to rotate in a reciprocating mode, the rotary disc 40 rotates in a reciprocating mode to drive the second sliding block 44 to move vertically under the action of the cylindrical pin 41, the key-shaped block 42 and the cylindrical rod 43, the second sliding block 44 reciprocates vertically to push the ratchet wheel 47 to rotate in a one-way mode through the pawl 48, and the ratchet wheel 47 drives the rocker 50 and the upper limbs of a user to conduct training in a rotating mode around the second support 39.
The seat comprises a first support plate 1 connected with a first bracket 15 in a sliding way, a sliding groove 2 matched with a first sliding block 21 is arranged on the first support plate 1, the first sliding block 21 is connected with two connecting rods 3 which can move relatively in a sliding way, the connecting rods 3 are hinged with first sleeves 4 which are connected with the first support plate 1 in a sliding way, an X-shaped connecting rod group 5 is hinged on the first sleeve 4, a second sleeve 6 is hinged at the upper end of the connecting rod group 5, the second sleeve 6 is connected with a second support plate 7 in a sliding way, the first massage disk 25 and the second massage disk 26 are positioned on the second support plate 7, the left side and the right side of the second support plate 7 are fixedly connected with guardrails 8, the rear side of the second support plate 7 is rotatably connected with an adjustable lying plate 9, a worm wheel 10 is coaxially and fixedly connected to the lying plate 9, and a worm 11 which is rotatably connected with the second support plate 7 is meshed with the worm wheel 10; the first support plate 1 is rotatably connected with a control handle 12, the control handle 12 is coaxially and fixedly connected with a first bevel gear set 13 fixedly connected with a screw 14, the screw 14 is provided with a middle part provided with two thread grooves with different rotation directions, and the screw 14 penetrates through the two connecting rods 3 and is in threaded connection with the two connecting rods 3.
As shown in fig. 3 and 7, the linkage 5 is formed by hinging the middle parts of two connecting rods, the specifications of the two connecting rods on the linkage 5 are the same, and only the front-back sliding freedom degree exists between the second sleeve 6 and the second support plate 7 on the upper side of the linkage 5, and also the front-back sliding freedom degree exists between the first sleeve 4 and the first support plate 1 on the lower side of the linkage 5, the thread groove turning directions of the connecting positions of the two connecting rods 3 on the screw 14 are opposite, when the handle 12 is rotated, the handle 12 drives the two first bevel gear sets 13 to rotate, the first bevel gear set 13 is formed by two mutually meshed bevel teeth, the torque is changed during the main function, the first bevel gear set 13 rotates to drive the two screw rods 14 to rotate, the screw rods 14 drives the two connecting rods 3 to relatively move close to or far away from each other under the coordination of the thread grooves with different turning directions at the two ends, when the two connecting rods 3 are close to each other, the front end and the rear end of the linkage 5 are gradually close to each other, so that the horizontal height of the linkage 5 is increased, the height of the second support plate 7 relative to the first support plate 1 is increased, the height of the seat is increased, when the screw 14 drives the two connecting rods 3 to mutually lean against each other, the part of the screw 14 positioned in the first bracket 15 also rotates at the same time, only the sliding freedom degree exists between the first bracket 15 and the first supporting plate 1, the screw thread fit between the screw 14 and the first bracket 15 drives the first bracket 15 to move forward relative to the first supporting plate 1, so that the spacing between the seat and the first bracket 15 is increased, the first bracket 15, when moving relatively forward relative to the first strip 1, the first bracket 15 drives the first sliding block 21 inside to slide forwards relative to the first supporting plate 1, and the length of the rack 22 is long enough to ensure that the rack 22 and the accelerating gear set are not disengaged; the nursing can provide protection for the user from falling to the side when in use, the included angle between the lying plate 9 and the second support plate 7 can be adjusted through the worm wheel 10 and the worm 11, and when the user leans against the lying plate 9, the lying plate 9 can be positioned at a comfortable position for the patient through adjustment.
The sliding shaft 24 comprises a first shaft body 2401 fixedly connected with an accelerating gear set, the first shaft body 2401 is connected with a second shaft body 2402 fixedly connected with a first massage disc 25 in a sliding manner, the second shaft body 2402 is fixedly connected with a first gear 27 and a second gear 28 which are different in size, the first gear 27 is meshed with a third gear 29 fixedly connected with a support rod 31, and the second gear 28 is meshed with a fourth gear 30 rotatably connected with the seat;
fixedly connected with rotates the connecting pipe 32 of being connected with the seat on the fourth gear 30, it has cam groove 33 to open on the connecting pipe 32, sliding connection has the elevator 34 with bracing piece 31 fixed connection on the cam groove 33, an pot head of bracing piece 31 is in connecting pipe 32, elevator 34 is located third gear 29 below, third gear 29 upside with install first spring 35 between the seat.
The first shaft body 2401 is located inside the second shaft body 2402, only a degree of freedom of vertical sliding exists between the first shaft body 2401 and the second shaft body 2402, the vertical sliding between the first shaft body 2401 and the second shaft body 2402 can ensure that the sliding shaft 24 does not interfere with the adjustment of the seat when the seat is adjusted, and a degree of freedom of rotation exists between the second shaft body 2402 and the second support plate 7, as shown in fig. 8 and 9, when the accelerating gear set rotates, the accelerating gear set drives the sliding shaft 24 to rotate, the sliding shaft 24 rotates to drive the first gear 27, the second gear 28 and the first massage disk 25 to simultaneously rotate, the angular velocities of the first gear 27 and the second gear 28 are the same, the first gear 27 and the third gear 29 cooperate to drive the support rod 31 and the second massage disk 26 to rotate in a decelerating manner, the second gear 28 and the fourth gear 30 cooperate to drive the support rod 32 to perform an accelerating movement, and the connection pipe 32 cooperates with the support rod 31 at a different velocity, drive the bracing piece 31 and carry out the reciprocating sliding of vertical direction under the cooperation of cam groove 33 and elevator 34 to make second massage dish 26 have the reciprocating sliding of vertical direction when the pivoted, all install unevenness's protruding piece on first massage dish 25 and the second massage dish 26, massage the patient through first massage dish 25 and second massage dish 26.
A turntable 40 is fixedly and coaxially fixedly connected to the pulley 38, a cylindrical pin 41 is fixedly connected to the turntable 40, the cylindrical pin 41 is slidably connected to a key-shaped block 42, a key-shaped hole matched with the cylindrical pin 41 is formed in the key-shaped block 42, a cylindrical rod 43 fixedly connected to a second slider 44 is fixedly connected to the key-shaped block 42, and the cylindrical rod 43 is slidably connected to the second bracket 39.
A torsion spring 49 is installed between the pawl 48 and the third link 45, the pawl 48 includes a left pawl 48 and a right pawl 48, a tip of the left pawl 48 faces upward, and a tip of the right pawl 48 faces downward.
As shown in fig. 4 and 5, the second bevel gear set 57 is composed of three bevel gears engaged with each other, when the pedal 16 on the front side rotates upward, the pedal 16 on the front side drives the first connecting rod 19 on the same side to rotate instantaneously in the clockwise direction, the clockwise rotation of the first connecting rod 19 drives one end of the connecting block 36 and the pull rope 37 connected thereto to move downward, meanwhile, under the action of the second bevel gear set 57, the pedal 16 on the rear side moves downward, the first connecting rod 19 on the rear side rotates counterclockwise, the first connecting rod 19 on the rear side drives the other end of the connecting block 36 and the pull rope 37 to move upward, so that the pull rope 37 drives the pulley 38 to rotate downward, the pulley 38 rotates downward and drives the rotating disc 40 to rotate downward, the rotating disc 40 drives the cylindrical rod 43 and the second slider 44 to vertically slide under the cooperation of the cylindrical pin 41, the key block 42 and the key hole, when the cylindrical rod 43 and the second slider 44 slide downward, the second sliding block 44 drives the lower end of the third connecting rod 45 to move downwards, the third connecting rod 45 moves downwards to drive the fourth connecting rod 46 to rotate along the periphery of the ratchet 48, the ratchet 48 is driven to move downwards under the limit of the third connecting rod 45 and the fourth connecting rod 46, when the ratchet 48 moves downwards, the left pawl 48 is not matched with the ratchet 47, the pawl tip of the right pawl 48 drives the ratchet 47 to rotate clockwise, after the second sliding block 44 moves downwards to the lowest point, when the second sliding block 44 moves downwards, the second sliding block drives the left pawl 48 to be matched with the ratchet 47 through the third connecting rod 45 and the fourth connecting rod 46, so as to push the ratchet 47 to continue to rotate clockwise, the ratchet 47 is driven to rotate clockwise through the alternate matching of the left pawl 48, the right pawl 48 and the ratchet 47, and the ratchet 47 drives the rocker 50 to rotate clockwise, the rocker 50 drives the upper limb to train.
The left side and the right side of the pawl 48 are fixedly connected with resistance wheels 51 which are rotatably connected with the second support 39, resistance blocks 52 with adjustable resistance are matched on the resistance wheels 51, rectangular blocks 53 which are slidably connected with the second support 39 are slidably connected on the resistance blocks 52, second springs 54 are installed between the rectangular blocks 53 and the resistance blocks 52, and adjusting rods 55 which are in threaded connection with the second support 39 are rotatably connected on the rectangular blocks 53.
The user can perform clockwise rotation by manually rotating the rocker 50 during upper limb training, when the rocker 50 rotates clockwise, the rocker 50 drives the ratchet 47 to rotate clockwise, teeth on the ratchet 47 are in contact with the arc surface of the pawl 48 when the ratchet 47 rotates clockwise, the pawl 48 is pushed to rotate outwards when the ratchet 47 is in contact with the pawl 48, the pawl 48 compresses the torsion spring 49 to be separated from the matching with the ratchet 47, the clockwise rotation of the ratchet 47 is not influenced, the resistance wheel 51 and the resistance contact surface are rough surfaces, when the adjustment lever 55 is rotated to move the rectangular block 53 downward relative to the second bracket 39, the downward force of the rectangular block 53 on the resistance block 52 due to the second spring 54 compressed by the rectangular block 53 is increased, therefore, the acting force of the resistance block 52 on the resistance wheel 51 is increased, the resistance of the rotating rocker 50 during training is increased, and the training intensity can be properly adjusted according to different conditions of users.
The seat and the bottom of the first bracket 15 are both fixedly connected with a support 56, and rollers are rotationally connected in the support 56.
The rollers in the base are self-locking rollers, so that a user can move the device conveniently.
The knee joint training device is novel in structure, ingenious in conception and simple and convenient to operate, and effectively solves the problems that the existing knee joint training device is poor in training effect, brings discomfort to a patient when in use, and influences the rehabilitation progress of the patient.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a knee joint rehabilitation auxiliary device for orthopedics department, includes height-adjustable's seat, its characterized in that, the seat rotates and is connected with rotatable screw rod (14), threaded connection has first support (15) with seat sliding connection on screw rod (14), the first support (15) left and right sides rotates and is connected with footboard (16), fixedly connected with first connecting rod (19) of buckling on footboard (16), first connecting rod (19) lower extreme articulates there is second connecting rod (20), second connecting rod (20) lower extreme articulates there is first slider (21), first slider (21) with first support (15) and seat all sliding connection, fixedly connected with rack (22) on first slider (21), rack (22) have meshing with first accelerating gear set (23), fixedly connected with slip axle (24) on first accelerating gear set (23), the sliding shaft (24) is fixedly connected with a first massage disc (25) which is connected with a seat in a sliding manner, the front side of the first massage disc (25) is provided with a rotatable second massage disc (26), the bottom of the second massage disc (26) is rotatably connected with a vertically lifting support rod (31), the upper end of the first connecting rod (19) is hinged with a connecting block (36), a stay cord (37) is fixedly connected onto the connecting block (36), the middle part of the stay cord (37) is slidably connected with a pulley (38), the pulley (38) is rotatably connected with a second support (39) which is fixedly connected with the first support (15), a second sliding block (44) which can slide vertically is slidably connected into the second support (39), the front side and the rear side of the second sliding block (44) are hinged with third connecting rods (45), the third connecting rod (45) is hinged with a fourth connecting rod (46), and the fourth connecting rod (46) is rotatably connected with a ratchet wheel (47), the left side and the right side of the ratchet wheel (47) are matched with pawls (48), the pawls (48) are rotatably connected with the fourth connecting rod (46), and the ratchet wheel (47) is coaxially and fixedly connected with a rocker (50) rotatably connected with the second support (39).
2. The knee joint rehabilitation assisting device for orthopedics department according to claim 1, characterized in that the seat comprises a first support plate (1) connected with a first bracket (15) in a sliding manner, the first support plate (1) is provided with a sliding groove (2) matched with a first sliding block (21), the first sliding block (21) is connected with two connecting rods (3) capable of moving relatively in a sliding manner, the connecting rods (3) are hinged with a first sleeve (4) connected with the first support plate (1) in a sliding manner, the first sleeve (4) is hinged with an X-shaped connecting rod group (5), the upper end of the connecting rod group (5) is hinged with a second sleeve (6), the second sleeve (6) is connected with a second support plate (7) in a sliding manner, the first massage disc (25) and the second massage disc (26) are positioned on the second support plate (7), and guardrails (8) are fixedly connected to the left side and the right side of the second support plate (7), the back side of the second support plate (7) is rotatably connected with an adjustable lying plate (9), a worm wheel (10) is coaxially and fixedly connected to the lying plate (9), and a worm (11) rotatably connected with the second support plate (7) is meshed with the worm wheel (10).
3. The knee joint rehabilitation assisting device for the orthopedics department, as claimed in claim 2, is characterized in that a control handle (12) is rotatably connected to the first support plate (1), the control handle (12) is coaxially and fixedly connected with a first bevel gear set (13) fixedly connected with a screw rod (14), the screw rod (14) is provided with two thread grooves with different rotation directions in the middle, and the screw rod (14) penetrates through the two connecting rods (3) and is in threaded connection with the two connecting rods (3).
4. The knee joint rehabilitation assisting device for orthopedics department according to claim 1, characterized in that the sliding shaft (24) comprises a first shaft body (2401) fixedly connected with an accelerating gear set, the first shaft body (2401) is slidably connected with a second shaft body (2402) fixedly connected with a first massage disc (25), the second shaft body (2402) is fixedly connected with a first gear (27) and a second gear (28) which are different in size, the first gear (27) is meshed with a third gear (29) fixedly connected with a support rod (31), and the second gear (28) is meshed with a fourth gear (30) rotatably connected with a chair;
fixedly connected with rotates connecting pipe (32) of being connected with the seat on fourth gear (30), it has cam groove (33) to open on connecting pipe (32), sliding connection has elevator (34) with bracing piece (31) fixed connection on cam groove (33), an pot head of bracing piece (31) is in connecting pipe (32), elevator (34) are located third gear (29) below, third gear (29) upside with install first spring (35) between the seat.
5. The knee joint rehabilitation assisting device for orthopedics department according to claim 1, characterized in that a rotating disc (40) is fixedly and coaxially connected to the pulley (38), a cylindrical pin (41) is fixedly connected to the rotating disc (40), a key block (42) is slidably connected to the cylindrical pin (41), a key hole matched with the cylindrical pin (41) is formed in the key block (42), a cylindrical rod (43) fixedly connected to the second sliding block (44) is fixedly connected to the key block (42), and the cylindrical rod (43) is slidably connected to the second bracket (39).
6. The knee joint rehabilitation assisting device for orthopedics department according to claim 1, characterized in that a torsion spring (49) is installed between the pawl (48) and the third connecting rod (45), the pawl (48) comprises a left pawl (48) and a right pawl (48), the claw tip of the left pawl (48) faces upwards, and the claw tip of the right pawl (48) faces downwards.
7. The knee joint rehabilitation assisting device for the orthopedics department according to the claim 1, wherein the left side and the right side of the pawl (48) are fixedly connected with resistance wheels (51) which are rotatably connected with the second bracket (39), the resistance wheels (51) are matched with resistance blocks (52) with adjustable resistance, the resistance blocks (52) are slidably connected with rectangular blocks (53) which are slidably connected with the second bracket (39), a second spring (54) is installed between the rectangular blocks (53) and the resistance blocks (52), and the rectangular blocks (53) are rotatably connected with adjusting rods (55) which are in threaded connection with the second bracket (39).
8. The knee joint rehabilitation assisting device for orthopedics department according to claim 1, characterized in that a buckle (17) is fixedly connected to the left side and the right side of the pedal (16), and a lacing (18) capable of being tightened is installed on the buckle (17).
9. The knee joint rehabilitation assisting device for orthopedics department according to the claim 1, is characterized in that a support (56) is fixedly connected to the bottom of each of the seat and the first support (15), and a roller is rotationally connected to the support (56).
10. The knee joint rehabilitation assisting device for orthopedics department according to claim 1, characterized in that a second bevel gear set (57) which is rotatably connected with the first bracket (15) is fixedly connected between the two pedals (16) together.
CN202110785370.0A 2021-07-12 2021-07-12 Recovered auxiliary assembly of knee joint for orthopedics Expired - Fee Related CN113499566B (en)

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CN202110785370.0A CN113499566B (en) 2021-07-12 2021-07-12 Recovered auxiliary assembly of knee joint for orthopedics

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115006203A (en) * 2022-07-15 2022-09-06 吉林大学 Cardiovascular internal medicine disease exercise nursing device

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US5906563A (en) * 1997-12-22 1999-05-25 Pittari; Dominic Dual exercise bike
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CN209202457U (en) * 2018-01-10 2019-08-06 朱永平 A kind of multifunctional chair
CN110604901A (en) * 2019-10-22 2019-12-24 河南省中医院（河南中医药大学第二附属医院） Auxiliary device for orthopedic rehabilitation
CN111408106A (en) * 2020-03-31 2020-07-14 河南省中医院（河南中医药大学第二附属医院） Auxiliary device for rehabilitation of orthopedics department

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5906563A (en) * 1997-12-22 1999-05-25 Pittari; Dominic Dual exercise bike
CN209202457U (en) * 2018-01-10 2019-08-06 朱永平 A kind of multifunctional chair
CN109173164A (en) * 2018-10-18 2019-01-11 南阳市中心医院 Neurology device for healing and training
CN110604901A (en) * 2019-10-22 2019-12-24 河南省中医院（河南中医药大学第二附属医院） Auxiliary device for orthopedic rehabilitation
CN111408106A (en) * 2020-03-31 2020-07-14 河南省中医院（河南中医药大学第二附属医院） Auxiliary device for rehabilitation of orthopedics department

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115006203A (en) * 2022-07-15 2022-09-06 吉林大学 Cardiovascular internal medicine disease exercise nursing device

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