CN108158782B - Lower limb passive exercise rehabilitation chair for surgery - Google Patents

Lower limb passive exercise rehabilitation chair for surgery Download PDF

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Publication number
CN108158782B
CN108158782B CN201810016745.5A CN201810016745A CN108158782B CN 108158782 B CN108158782 B CN 108158782B CN 201810016745 A CN201810016745 A CN 201810016745A CN 108158782 B CN108158782 B CN 108158782B
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China
Prior art keywords
plate
chair
lower limb
pedal
cavity
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Active
Application number
CN201810016745.5A
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Chinese (zh)
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CN108158782A (en
Inventor
李洋
张岩
魏娜
兰玲
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Jiangsu Yingzhiyou Technology Co ltd
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First Hospital Jinlin University
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Priority to CN201810016745.5A priority Critical patent/CN108158782B/en
Publication of CN108158782A publication Critical patent/CN108158782A/en
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Publication of CN108158782B publication Critical patent/CN108158782B/en
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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
    • A61H1/0237—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
    • A61H1/024—Knee
    • 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
    • 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
    • A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
    • A61H39/04—Devices for pressing such points, e.g. Shiatsu or Acupressure
    • 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
    • A61H2201/1207—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
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/16—Physical interface with patient
    • A61H2201/1683—Surface of interface
    • A61H2201/169—Physical characteristics of the surface, e.g. material, relief, texture or indicia
    • A61H2201/1695—Enhanced pressure effect, e.g. substantially sharp projections, needles or pyramids
    • 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
    • A61H2205/102—Knee
    • 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
    • A61H2205/125—Foot reflex zones

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

Abstract

A lower limb passive exercise rehabilitation chair for surgery can solve the problems that the treatment of lower limb movement disorder affects the rehabilitation effect due to the level of an assistant and wastes time and labor; the massage chair comprises a chair, wherein the chair is connected with a pedal seat, a containing cavity is arranged on the pedal seat, a swing motor and a pedal plate are arranged in the containing cavity, an output shaft of the swing motor is sequentially provided with a connecting rod, a shifting fork and a first conical gear, the connecting rod is connected with a half gear, a foot placing groove is arranged on the pedal plate, a first hole is arranged on the bottom surface of the foot placing groove, a massage column is arranged in the first hole, a cavity is arranged in the pedal plate, a jacking device is arranged in the cavity and is connected with a rack, the rack is meshed with the half gear, a lead screw is arranged behind the pedal seat and is connected with a second conical gear and a square nut, the second conical gear is meshed with the first conical gear, a guide block is arranged below the; the invention can complete the multi-directional rehabilitation training of the lower limb movement disorder of the human body without the assistance of personnel and has good curative effect on the lower limb movement disorder.

Description

Lower limb passive exercise rehabilitation chair for surgery
Technical Field
The invention relates to the field of medical instruments, in particular to a lower limb passive exercise rehabilitation chair for surgery.
Background
The lower limb passive exercise rehabilitation chair for surgery is a physical therapy rehabilitation instrument, and mainly aims at performing rehabilitation training on the movement dysfunction of lower limbs, including the lower limb movement disorder caused by accidents, the lower limb movement disorder caused by cerebral apoplexy sequelae and the like. At present, most of rehabilitation training aiming at the passive movement of the lower limbs adopts a manual assistance mode, time and labor are wasted, the rehabilitation training effect is affected by the level of assistance personnel and is uneven, and the rehabilitation training effect is difficult to guarantee; and the incidence of accidents and cerebral apoplexy is always in an increasing situation, and the number of people with lower limb movement dysfunction caused by the accidents and the cerebral apoplexy is also increased, so that a medical instrument with good effect for rehabilitation training of lower limb movement dysfunction is urgently needed.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the invention provides a lower limb passive exercise rehabilitation chair for surgery, which can solve the problems that the rehabilitation effect is affected due to different levels of assisting personnel, and the rehabilitation training is time-consuming and labor-consuming.
The technical scheme for solving the problem is that the lower limb passive exercise rehabilitation chair for surgery comprises a chair, wherein the chair is provided with a seat plate, the front end of the seat plate is rotatably connected with a pedal seat, and the pedal seat comprises a horizontal plate and a vertical plate; a containing cavity is formed in the top surface of the horizontal plate in a downward extending mode, a swing motor is arranged on the lower portion in the containing cavity, a connecting rod, a shifting fork and a first conical gear are sequentially arranged on an output shaft of the swing motor in the outward direction of the output shaft, and a half gear is connected to the free end of the connecting rod; the upper part in the containing cavity is rotatably connected with a pedal plate; the top surface of the pedal plate is provided with two foot placing grooves, the bottom surface of each foot placing groove is provided with a plurality of first holes, and massage columns are arranged in the first holes; a cavity is arranged in the pedal plate, and a jacking device which can jack up and put down the massage column is arranged in the cavity; the jacking device is fixedly connected with a rack, and the rack is meshed with the half gear; a rotatable lead screw is arranged behind the vertical plate, and the upper end and the lower end of the lead screw are connected with the pedal seat through rolling bearings; the lower part of the screw rod is fixedly connected with a second conical gear which is meshed with the first conical gear; the lead screw is rotatably connected with a square nut; a guide block is arranged below the front end of the seat plate and is abutted to the square nut.
The invention can carry out multi-directional rehabilitation training on the dyskinesia of the lower limbs of a human body, including knee joint movement, ankle joint movement, foot massage and the like, and has good curative effect on the dyskinesia rehabilitation of the lower limbs. In addition, the passive exercise training is completely finished by the rehabilitation chair without manual assistance in the using process, the influence on the rehabilitation effect caused by different levels of the assisting personnel is eliminated, and great help is provided for the rehabilitation training of the user.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective partial cross-sectional view of the present invention.
Fig. 3 is a front cross-sectional view of the present invention.
Fig. 4 is an enlarged view of the area a in fig. 3.
Figure 5 is a right side cross-sectional view of the third operating position of the present invention.
Figure 6 is a right side cross-sectional view of the first operating position of the present invention.
Figure 7 is a right side cross-sectional view of the second operating position of the present invention.
Fig. 8 is a perspective view of the half gear of the present invention.
Fig. 9 is a perspective view of the foot rest of the present invention.
Fig. 10 is a perspective view of the chair of the present invention.
Detailed Description
The following description of the present invention will be made in detail with reference to the accompanying drawings 1 to 10.
For convenience of description, the terms "front", "rear", "left", "right", "upper" and "lower" in the present specification are set according to the placement in fig. 3.
As can be seen from fig. 1-8, a lower limb passive exercise rehabilitation chair for surgery comprises a chair 1, wherein the chair 1 is provided with a seat plate 2, the front end of the seat plate 2 is rotatably connected with a pedal seat 3, and the pedal seat 3 comprises a horizontal plate 4 and a vertical plate 5; the top surface of the horizontal plate 4 extends downwards to form an accommodating cavity 6, the lower part in the accommodating cavity 6 is provided with a swing motor 7, an output shaft of the swing motor 7 is sequentially provided with a connecting rod 8, a shifting fork 9 and a first conical gear 10 along the outward direction of the output shaft, and the free end of the connecting rod 8 is connected with a half gear 11; the upper part in the containing cavity 6 is rotatably connected with a pedal plate 12; the top surface of the pedal plate 12 is provided with two foot placing grooves 13, the bottom surface of the foot placing grooves 13 is provided with a plurality of first holes 14, and the first holes 14 are internally provided with massage columns 15; a cavity 16 is arranged in the pedal plate 12, and a jacking device which can jack up and put down the massage column 15 is arranged in the cavity 16; the jacking device is fixedly connected with a rack 17, and the rack 17 is meshed with the half gear 11; a rotatable lead screw 18 is arranged behind the vertical plate 5, and the upper end and the lower end of the lead screw 18 are connected with the pedal seat 3 through rolling bearings; the lower part of the screw rod 18 is fixedly connected with a second conical gear 19, and the second conical gear 19 is meshed with the first conical gear 10; the lead screw 18 is rotatably connected with a square nut 20; a guide block 21 is arranged below the front end of the seat plate 2, and the guide block 21 is abutted with the square nut 20.
In order to ensure the effect, the seat 1 is provided with a safety bandage 39, and the periphery of the foot slot 13 is provided with a foot protection bandage 22.
In order to ensure the implementation effect, the pedal plate 12 is rotatably connected in the accommodating cavity 6 through a first rotating shaft 23, and the first rotating shaft 23 is arranged in the left-right direction.
In order to ensure the implementation effect, the first holes 14 are designed in a matrix configuration.
In order to ensure the implementation effect, the jacking device comprises a jacking plate 24, and the jacking plate 24 moves in the left and right directions relative to the pedal plate 12; the top surface of the jacking plates 24 are in sliding contact with the top surface of the cavity 16; the rack 17 is fixedly connected to one side, close to the vertical plate 5, of the bottom surface of the jacking plate 24; the top surface of the jacking plate 24 is extended in its moving direction with a plurality of rows of wavy sinks 25 corresponding to the positions of the first holes 14.
In order to ensure the effect, the bottom surface of the jacking plate 24 is provided with two first grooves 26 along the moving direction, the bottom surface of the cavity 16 is provided with two second grooves 27 corresponding to the first grooves 26, and a plurality of balls 28 are arranged in the first grooves 26 and the second grooves 27.
In order to ensure the effect, the half-gear 11 is provided with a second rotation shaft 29, the second rotation shaft 29 is connected to the pedal plate 12 through a rolling bearing, the half-gear 11 extends outwards to form a first rod 30, and the first rod 30 is hinged with the free end of the connecting rod 8 through a joint bearing.
In order to ensure the implementation effect, the outer diameter of the massage column 15 is connected with a round nut 31 through threads, the lower section of the first hole 14 is provided with a stop groove 32 which is concentric with the first hole 14 and has a radius larger than that of the round nut 31, the stop groove 32 penetrates through the top surface of the cavity 16, and the round nut 31 is positioned in the stop groove 32.
In order to ensure the implementation effect, the upper end of the massage column 15 is provided with a spherical chamfer; the lower end of the massage column 15 is provided with a blind hole 33, and a compression spring 34 and a guide column 35 are sequentially arranged in the blind hole 33 along the axial direction downwards; the upper end of the guide post 35 is connected with a bolt 36 through threads, and the top surface of the bolt 36 is abutted with the bottom surface of the compression spring 34; the lower end of the guide post 35 is rotatably connected with a guide wheel 37, and the guide wheel 37 is abutted with the sink groove 25.
In order to ensure the implementation effect, one end of the square nut 20 is provided with a chamfer with an involute profile, the guide block 21 is provided with an inclined surface, the inclined surface is downwards provided with a blind groove 38, and the chamfer with the involute profile of the square nut 20 is abutted to the blind groove 38.
When the invention is used, the water-saving agent is added,
the first working position is that when the shifting fork 9 is shifted to the position of the connecting rod 8, the swing motor 7 drives the connecting rod 8 to swing through the shifting fork 9, and the first conical gear 10 cannot swing; when the working position II is that the shifting fork 9 is shifted to the position of the first conical gear 10, the swing motor drives the first conical gear 10 to swing through the shifting fork 9, and the connecting rod 8 cannot swing; and the third working position is that the shifting fork 9 is positioned at the middle position of the connecting rod 8 and the first conical gear 10, and neither the connecting rod 8 nor the first conical gear 10 can swing.
Considering that the user is a person with lower limb dyskinesia, when the user performs rehabilitation exercise, the user firstly buckles the safety bandage 39 after sitting on the seat plate 2 so as to ensure the safety of the user in the rehabilitation training process, and simultaneously adjusts the position of the hip so that the popliteal fossa is positioned above the rotation center of the pedal seat 3; then the feet are placed in the feet placing groove 13, and the feet protecting bandage 22 of the feet is buckled, so that the problem that the rehabilitation training process and the rehabilitation training effect are influenced because the feet of the user are separated from the feet placing groove 13 in the passive movement process is avoided.
Then the working position is adjusted according to the rehabilitation training requirement, when the working position is adjusted, the swing motor 7 drives the connecting rod 8 to swing through the first shifting fork 9, the connecting rod 8 is connected with the semi-gear 11 through the joint bearing, the second rotating shaft 29 is connected to the pedal plate 12 through the rolling bearing, and the pedal plate 12 is rotatably connected to the pedal seat 3 through the first rotating shaft 23, so that the swing motor 7 can drive the pedal plate 12 to swing back and forth around the first rotating shaft 23 at the moment, and further the foot of the user rotates back and forth around the ankle joint to perform passive exercise rehabilitation training on the ankle joint of the user; meanwhile, the half gear 11 is meshed with the rack 17, and the rack 17 is fixedly connected with the jacking plate 24, so that the swinging motor 7 can synchronously drive the jacking plate 24 to reciprocate left and right in the cavity 16, at the moment, the sinking groove 25 extends in a wave shape, the sinking groove 25 can drive the massage columns 15 in the corresponding whole row to reciprocate up and down in a wave shape, the massage columns 15 reciprocate up and down in a wave shape, the effect of massaging the sole is achieved, sole acupuncture points can be well stimulated, and the blood circulation of the foot is increased; the spherical chamfer that the upper end of massage post 15 set up can increase the comfort level of massage, lets the user at the more initiative cooperation of rehabilitation training in-process, and the rehabilitation training effect is more obvious.
When the jacking plate 24 reciprocates left and right, the sink groove 25 rubs the guide wheel 37, so that the guide wheel 37 rotates around the rotating shaft of the guide wheel, the action of reducing the movement resistance is realized, the movement is smoother, and the rehabilitation effect is more ideal; when the wave trough of the sink groove 25 moves to the position of the guide wheel 37, the massage column 15 is maximally submerged into the first hole 14, and when the wave crest of the sink groove 25 moves to the position of the guide wheel 37, the massage column 15 maximally extends out of the first hole 14 and the compression spring 34 is maximally compressed; at the same time, the balls 28 will roll back and forth in the first grooves 26 and the second grooves 27, having the effect of maintaining the direction of movement of the jacking plates 24 and reducing the resistance to movement.
Aiming at different requirements of different users, the maximum length of the massage column 15 extending out of the first hole can be adjusted by adjusting the position of the round nut 31 on the massage column 15, and the maximum compression length of the compression spring 34 can be adjusted by adjusting the length of the bolt 36 screwed into the guide post 35, so as to meet different massage force requirements; by adjusting the swing speed of the swing motor 7, the swing speed of the foot pedal 12 and the up-and-down reciprocating frequency of the massage columns 15 are adjusted to achieve different ankle joint movement speeds and foot sole massage frequencies.
When the knee joint of a user needs to be moved, the second working position is only required to be adjusted, and the swing motor 7 drives the first conical gear 10 to swing through the shifting fork 9; because the first conical gear 10 is meshed with the second conical gear 19, the second conical gear 19 is fixedly connected to the lead screw 18, the lead screw 18 is connected with the square nut 20 through threads, the square nut 20 abuts against the blind groove 38, the upper end and the lower end of the lead screw 18 are fixed on the pedal seat 3 through rolling bearings, the pedal seat 3 is rotatably connected to the seat 1, and the blind groove 18 is arranged on the guide block 21, so that the lead screw 18 can be driven to swing by swinging of the swinging motor 7, the square nut 20 can reciprocate up and down along the blind groove 38, and the pedal seat 3 can reciprocate around the seat 1 due to the inclined plane arrangement of the blind groove 38 to passively move the knee joint of a user; the swinging speed of the pedal seat 3 is controlled by the swinging speed of the swinging motor 7, and the swinging speed of the swinging motor 7 can be correspondingly set and adjusted according to different users, so that the rehabilitation training effect is more obvious and the application range is wider; meanwhile, the lead screw 18 is set to be a multi-head lead screw, and the transmission ratio of the first conical gear 10 to the second conical gear 19 is smaller than 1, so that the swinging angle of the swinging motor can be effectively amplified, the swinging angle of the pedal seat 3 can be ensured to reach 80 degrees at most, and a good knee joint exercising effect is achieved; in addition, the abutting part of the square nut 20 and the blind groove 38 is provided with a chamfer with an involute outline, so that the pedal seat 3 can be ensured to stably swing at a constant speed in the swinging process, and the rehabilitation training of a user is safer and more effective.
After all rehabilitation training is finished, the shifting fork 9 is adjusted to the third working position, and the power supply is turned off.
The power source of the invention is the swing motor 7, so that the speed and the angle of the passive movement can be adjusted according to the requirements of different users, meanwhile, the massage force can be correspondingly adjusted by adjusting the round nut 31 and the bolt 36 according to the requirements of different users, the application range is wider, the application effect is more obvious, and the invention has good rehabilitation training effect on the lower limb dyskinesia of different degrees caused by different inducements; in addition, the invention does not need manual assistance, completely depends on the rehabilitation chair to complete the passive movement of the lower limbs, and avoids the problem of unsatisfactory rehabilitation effect caused by uneven levels of the helpers.

Claims (8)

1. A lower limb passive exercise rehabilitation chair for surgery is characterized by comprising a chair (1), wherein the chair (1) is provided with a seat plate (2), the front end of the seat plate (2) is rotatably connected with a pedal seat (3), and the pedal seat (3) comprises a horizontal plate (4) and a vertical plate (5); a containing cavity (6) is formed in the top surface of the horizontal plate (4) in a downward extending mode, a swing motor (7) is arranged on the inner lower portion of the containing cavity (6), a connecting rod (8), a shifting fork (9) and a first conical gear (10) are sequentially arranged on an output shaft of the swing motor (7) in the outward direction of the output shaft, and a half gear (11) is hinged to the free end of the connecting rod (8); the upper part in the accommodating cavity (6) is rotatably connected with a pedal plate (12); the top surface of the pedal plate (12) is provided with two foot placing grooves (13), the bottom surface of each foot placing groove (13) is provided with a plurality of first holes (14), and massage columns (15) are arranged in the first holes (14); a cavity (16) is arranged in the pedal plate (12), and a jacking device which can jack up and put down the massage column (15) is arranged in the cavity (16); the jacking device is fixedly connected with a rack (17), and the rack (17) is meshed with the half gear (11); a rotatable lead screw (18) is arranged behind the vertical plate (5), and the upper end and the lower end of the lead screw (18) are connected with the pedal seat (3) through rolling bearings; the lower part of the screw rod (18) is fixedly connected with a second conical gear (19), and the second conical gear (19) is meshed with the first conical gear (10); the lead screw (18) is rotatably connected with a square nut (20); a guide block (21) is arranged below the front end of the seat plate (2), and the guide block (21) is abutted with the square nut (20); the half gear (11) is provided with a second rotating shaft (29), the second rotating shaft (29) is connected to the pedal plate (12) through a rolling bearing, the half gear (11) extends outwards to form a first rod (30), and the first rod (30) is hinged to the free end of the connecting rod (8) through a joint bearing;
one end of the square nut (20) is provided with a chamfer with an involute profile, the guide block (21) is provided with an inclined plane, the inclined plane is downwards provided with a blind groove (38), and the chamfer with the involute profile of the square nut (20) is abutted against the blind groove (38).
2. The surgical lower limb passive exercise rehabilitation chair as claimed in claim 1, characterized in that the chair (1) is provided with safety ties (39), and the periphery of the foot placing groove (13) is provided with foot protection ties (22).
3. The surgical lower limb passive exercise rehabilitation chair according to claim 1, wherein the footrest (12) is rotatably connected in the accommodating chamber (6) via a first rotating shaft (23), and the first rotating shaft (23) is arranged in the left-right direction.
4. The chair for the passive exercise rehabilitation of the lower limbs for surgery as recited in claim 1, wherein the first holes (14) are arranged in a matrix.
5. The surgical lower limb passive exercise rehabilitation chair according to claim 1, wherein the jacking device comprises a jacking plate (24), the jacking plate (24) moves in the left-right direction relative to the footrest (12); the top surface of the jacking plate (24) is in sliding contact with the top surface of the cavity (16); one side of the bottom surface of the jacking plate (24), which is close to the vertical plate (5), is fixedly connected with a rack (17); the top surface of the jacking plate (24) is provided with a plurality of rows of wavy sinking grooves (25) which correspond to the positions of the first holes (14) in an extending way along the moving direction.
6. The surgical lower limb passive exercise rehabilitation chair as claimed in claim 1, wherein the bottom surface of the jacking plate (24) is provided with two first grooves (26) along the moving direction thereof, the bottom surface of the cavity (16) is provided with two second grooves (27) corresponding to the first grooves (26), and a plurality of balls (28) are arranged in the first grooves (26) and the second grooves (27).
7. The surgical lower limb passive exercise rehabilitation chair as claimed in claim 1, wherein the outer diameter of the massage column (15) is connected with a round nut (31) through threads, a stop groove (32) which is concentric with the first hole (14) and has a larger radius than the round nut (31) is arranged at the lower section of the first hole (14), the stop groove (32) penetrates through the top surface of the cavity (16), and the round nut (31) is positioned in the stop groove (32).
8. The surgical lower limb passive exercise rehabilitation chair as claimed in claim 5, wherein the upper end of the massage column (15) is provided with a spherical chamfer; the lower end of the massage column (15) is provided with a blind hole (33), and a compression spring (34) and a guide column (35) are sequentially arranged in the blind hole (33) along the axial direction downwards; the upper end of the guide post (35) is connected with a bolt (36) through threads, and the top surface of the bolt (36) is abutted against the bottom surface of the compression spring (34); the lower end of the guide post (35) is rotatably connected with a guide wheel (37), and the guide wheel (37) is abutted with the sink groove (25).
CN201810016745.5A 2018-01-08 2018-01-08 Lower limb passive exercise rehabilitation chair for surgery Active CN108158782B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810016745.5A CN108158782B (en) 2018-01-08 2018-01-08 Lower limb passive exercise rehabilitation chair for surgery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810016745.5A CN108158782B (en) 2018-01-08 2018-01-08 Lower limb passive exercise rehabilitation chair for surgery

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CN108158782A CN108158782A (en) 2018-06-15
CN108158782B true CN108158782B (en) 2020-02-04

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* Cited by examiner, † Cited by third party
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CN114344816B (en) * 2022-01-20 2022-10-21 漯河市骨科医院(漯河市第五人民医院、漯河医学高等专科学校第二附属医院) Gynaecology and obstetrics's rehabilitation training device

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