CN108186283B - Binding type finger traction device - Google Patents

Binding type finger traction device Download PDF

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Publication number
CN108186283B
CN108186283B CN201810034385.1A CN201810034385A CN108186283B CN 108186283 B CN108186283 B CN 108186283B CN 201810034385 A CN201810034385 A CN 201810034385A CN 108186283 B CN108186283 B CN 108186283B
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CN
China
Prior art keywords
finger
connecting rod
gear
pin
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201810034385.1A
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Chinese (zh)
Other versions
CN108186283A (en
Inventor
翟亚芳
卢春华
杨欣
鲁西坤
李宏杰
侯凡博
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Anyang Institute of Technology
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Anyang Institute of Technology
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Priority to CN201810034385.1A priority Critical patent/CN108186283B/en
Publication of CN108186283A publication Critical patent/CN108186283A/en
Application granted granted Critical
Publication of CN108186283B publication Critical patent/CN108186283B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • A61H1/0218—Drawing-out devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
    • A61F5/0104—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation
    • A61F5/0118—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation for the arms, hands or fingers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
    • A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
    • A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
    • A61F5/042—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for extension or stretching
    • 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
    • A61H1/0285—Hand
    • A61H1/0288—Fingers
    • 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
    • A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
    • A61H2201/165—Wearable interfaces
    • 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
    • A61H2201/50—Control means thereof
    • 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
    • A61H2205/065—Hands
    • A61H2205/067—Fingers

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Nursing (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Manipulator (AREA)

Abstract

The invention discloses a binding type finger traction device, which comprises a support frame, wherein a servo motor and a first pin are fixed on the support frame, an output shaft of the servo motor fixes a sixth gear and the rear end of a first connecting rod, the first pin is rotationally connected with a first duplicate wheel and the rear end of a second connecting rod, the second pin is rotationally connected with the right end of a fifth connecting rod, the front end of the second connecting rod, the second duplicate wheel and the rear end of the sixth connecting rod, the fifth pin is rotationally connected with the front end of the first pin, the left end of the fifth connecting rod and the rear end of a fourth connecting rod, the fifth gear and the rear end of the fourth connecting rod are fixedly connected, the sixth gear is meshed with the first gear of the first duplicate wheel, the fifth gear is meshed with the second gear of the second duplicate wheel, a first belt wheel of the first duplicate wheel and a second belt wheel of the second duplicate wheel form belt transmission, the third pin is rotationally connected with the right end of a seventh connecting rod, the right end of the third connecting rod, the front end of the fourth, And the third gear and the fourth pin are rotatably connected with the left end of the third connecting rod, and the rear end of the finger swing rod and the fourth gear are fixed.

Description

Binding type finger traction device
Technical Field
The invention relates to a finger traction device, in particular to a binding type finger traction device.
Background
China is a large population, the number of people with finger dysfunction caused by hand trauma, brain trauma and cerebrovascular diseases every year is large, finger movement dysfunction with different degrees occurs, and the hand is one of important organs of a human body and needs to be realized by means of an assistant from living and living to daily work.
This application has adopted single servo motor drive, through two-stage link mechanism transmission and synchronous pulley drive mechanism, drives user's four fingers steady motion, forms the relative swing mechanism of tertiary series connection, and the movement track of user's finger is mild, gentle and agreeable, is close with the physiology movement track of finger, improves user's finger function recovery effect.
Disclosure of Invention
The invention aims to: the traction device with the four fingers close to the physiological movement track of the fingers is provided for users with hand trauma, brain trauma and prevention of postoperative adhesion of the fingers.
The purpose of the invention is realized as follows: a binding type finger traction device comprises a support frame 1, a finger swing rod 7, a servo motor 8 and a finger fixing device, wherein the servo motor 8 is fixed on the support frame 1, an output shaft of the servo motor 8 is arranged along the vertical direction, a sixth gear 25 is fixed in the middle of the output shaft of the servo motor 8, the upper part of the output shaft of the servo motor 8 is fixed at the rear end of a first connecting rod 5, the sixth gear 25 is meshed with a first gear arranged on the upper part of a first duplicate wheel 10, the first duplicate wheel 10 is movably sleeved in the middle of a first pin 9, the lower end of the first pin 9 is fixed on the support frame 1, the upper end of the first pin 9 is fixed at the rear end of a second connecting rod 12, the front end of the second connecting rod 12 is hinged with the right end of a fifth connecting rod 24 through the upper part of a second pin 13, the front end of the first connecting rod 5 is hinged with the left end of the fifth connecting rod 24 through the upper part of a fifth, the second duplicate wheel 14 is movably sleeved in the middle of the second pin 13, the lower part of the second pin 13 is rotatably connected with the rear end of a sixth connecting rod 26, the middle part of a fifth pin 23 is fixed with a fifth gear 22, the fifth gear 22 is meshed with a second gear arranged on the upper part of the second duplicate wheel 14, the lower part of the fifth pin 23 is fixed with the rear end of a fourth connecting rod 21, a first belt wheel arranged on the lower part of the first duplicate wheel 10 and a second belt wheel arranged on the lower part of the second duplicate wheel 14 form belt transmission through a synchronous belt 11, the front end of the fourth connecting rod 21 is fixed with the upper part of a third pin 17, the third pin 17 passes through the fourth connecting rod 21 upwards to be rotatably connected with the right end of a seventh connecting rod 27, the middle part of the third pin 17 is fixed with a third gear 16, the lower part of the third pin 17 is rotatably connected with the right end of a third connecting rod 15, the third gear 16 is meshed with a fourth gear 18, and the fourth gear 18 is fixed in the middle part of the fourth pin, the upper part of the fourth pin 20 is rotatably connected with the left end of the seventh connecting rod 27, the fourth pin 20 upwards passes through the seventh connecting rod 27 and then fixes the rear end of the finger swing rod 7, the lower end of the fourth pin 20 is rotatably connected with the left end of the third connecting rod 15, a finger fixing device is fixed on the finger swing rod 7, the fixing position of the finger fixing device on the finger swing rod 7 can be adjusted, and a strain foil 19 is attached to the rear part of the finger swing rod 7 and used for detecting the traction force of the four fingers of a user.
The upper surface of the support frame 1 is fixed with a cover plate 2, the cover plate 2 is fixed with a palm fixing frame 4, the upper end of a palm binding band 3 is fixed on the palm fixing frame 4, and the lower end of the palm binding band 3 is fixed on the cover plate 2 and used for fixing the palm of a user.
The transmission ratio of the first belt wheel to the second belt wheel is 1:1, and the gear ratio of the first gear to the sixth gear 25 is 1:1, the gear ratio of the second gear to the fifth gear 22 is 2: 1, the gear ratio of the third gear 16 to the fourth gear 18 is 1: 1.
the first connecting rod 5, the second connecting rod 12, the fifth connecting rod 24 and the support frame 1 form a parallel four-bar linkage, and the fifth connecting rod 24, the sixth connecting rod 26, the seventh connecting rod 27 and the fourth connecting rod 21 form an antiparallel four-bar linkage.
The finger fixing device comprises: finger link 6, finger slide bar 28, bracket 29, finger slider 30, finger cover 31, adjusting screw 32, the quad slit and the finger pendulum rod 7 sliding connection that finger link 6 lower extreme set up, the quad slit lower surface that finger link 6 lower extreme set up is provided with the screw hole that runs through to the quad slit center, install adjusting screw 32 on the screw hole, it is fixed to be used for adjusting behind the position of finger link 6 on finger pendulum rod 7, four brackets 29 of fixed mounting on the finger link 6, fixed finger slide bar 28 on the bracket 29, sliding mounting finger slider 30 on the finger slide bar 28, be used for adapting to the patient and point the length change that the in-process of bending and stretching was pointed, finger slider 30 installation finger cover 31, finger cover 31 is used for fixed user's four fingers.
The method is characterized in that: the binding type finger traction device further comprises a control system, and the strain gauge 19 and the servo motor 8 are connected with the control system through circuits.
The first belt wheel and the second belt wheel are synchronous belt wheels.
The cover plate 2 is arranged above the output shaft of the servo motor 8 and the first pin 9.
Compared with the prior art, the invention has the following advantages:
1. the four fingers of a user are driven to move stably by adopting a single servo motor and through two-stage link mechanism transmission and a synchronous belt wheel transmission mechanism;
2. the three-stage series relative swing mechanism is formed, the motion track of the fingers of the user is smooth and soft and is close to the physiological motion track of the fingers, and the finger function recovery effect of the user is improved;
3. a force measuring device is adopted to prevent a user from being hurt by pulling in the process of pulling the four fingers;
4. the transmission mechanism adopts a two-stage link mechanism, a belt wheel transmission mechanism and a gear mechanism, and has exquisite structural design.
Drawings
Figure 1 is a general block diagram of a first harnessing finger traction device.
Fig. 2 is a general structural view of the bandaging type finger traction apparatus.
Figure 3 is a first schematic view of the transmission mechanism of the bandaging finger traction device.
Fig. 4 is a second schematic view of the transmission mechanism of the bandaging finger traction device.
Fig. 5 is a schematic structural view of a four-finger fixing portion.
Fig. 6 is a schematic structural view of the front and rear adjustment part of the four-finger fixing position.
Detailed Description
As shown in fig. 1-6, a binding type finger traction device comprises a support frame 1, a cover plate 2, a palm binding band 3, a palm fixing frame 4, a first connecting rod 5, a finger connecting frame 6, a finger swing rod 7, a servo motor 8, a first pin 9, a first dual wheel 10, a synchronous belt 11, a second connecting rod 12, a second pin 13, a second dual wheel 14, a third connecting rod 15, a third gear 16, a third pin 17, a fourth gear 18, a strain gauge 19, a fourth pin 20, a fourth connecting rod 21, a fifth gear 22, a fifth pin 23, a fifth connecting rod 24, a sixth gear 25, a sixth connecting rod 26, a seventh connecting rod 27, a finger sliding rod 28, a bracket 29, a finger sliding block 30, a finger sleeve 31 and an adjusting screw 32.
The upper surface of the support frame 1 is fixed with a cover plate 2, the cover plate 2 is fixed with the palm fixing frame 4, the upper end of a palm bandage 3 is fixed on the palm fixing frame 4, the lower end of the palm bandage 3 is fixed on the cover plate 2 and used for fixing a palm of a user, the servo motor 8 is fixed on the support frame 1, an output shaft of the servo motor 8 is arranged along the vertical direction, the output shaft of the servo motor 8 upwards penetrates through the support frame 1, a sixth gear 25 is fixed in the middle of the output shaft of the servo motor 8, the upper part of the output shaft of the servo motor 8 is fixed with the rear end of a first connecting rod 5, the sixth gear 25 is meshed with a first gear arranged on the upper part of a first duplicate wheel 10, the first duplicate wheel 10 is movably sleeved on the middle part of a first pin 9, the lower end of the first pin 9 is fixed on the support frame 1, the upper end of the first pin 9 is fixed with the rear end of a second connecting rod 12, the front end of, the front end of the first connecting rod 5 is hinged with the left end of a fifth connecting rod 24 through the upper part of a fifth pin 23, the second duplicate wheel 14 is movably sleeved in the middle of the second pin 13, the lower part of the second pin 13 is rotatably connected with the rear end of a sixth connecting rod 26, the middle part of the fifth pin 23 is fixed with a fifth gear 22, the fifth gear 22 is meshed with a second gear arranged on the upper part of the second duplicate wheel 14, the lower part of the fifth pin 23 is fixed with the rear end of a fourth connecting rod 21, a first belt pulley arranged on the lower part of the first duplicate wheel 10 and a second belt pulley arranged on the lower part of the second duplicate wheel 14 form belt transmission through a synchronous belt 11, the front end of the fourth connecting rod 21 is fixed with the upper part of a third pin 17, the third pin 17 passes through the fourth connecting rod 21 upwards to rotatably connect with the right end of a seventh connecting rod 27, the middle part of the third pin 17 is fixed with a third gear 16, and the lower part of the third pin 17 is rotatably connected with the right end of a third connecting, the third gear 16 is meshed with the fourth gear 18, the fourth gear 18 is fixed in the middle of a fourth pin 20, the upper portion of the fourth pin 20 is rotatably connected with the left end of a seventh connecting rod 27, the fourth pin 20 penetrates the seventh connecting rod 27 upwards to fix the rear end of the finger swing rod 7, a strain gauge 19 is attached to the rear portion of the finger swing rod 7 and used for detecting traction force of four fingers of a user, the lower end of the fourth pin 20 is rotatably connected with the left end of a third connecting rod 15, a finger fixing device is fixed on the finger swing rod 7, and the fixing position of the finger fixing device on the finger swing rod 7 is adjustable.
The transmission ratio of the first belt wheel to the second belt wheel is 1:1, and the gear ratio of the first gear to the sixth gear 25 is 1:1, the gear ratio of the second gear to the fifth gear 22 is 2: 1, the gear ratio of the third gear 16 to the fourth gear 18 is 1: 1.
the first connecting rod 5, the second connecting rod 12, the fifth connecting rod 24 and the support frame 1 form a parallel four-bar linkage, and the fifth connecting rod 24, the sixth connecting rod 26, the seventh connecting rod 27 and the fourth connecting rod 21 form an antiparallel four-bar linkage.
The finger fixing device includes: finger link 6, finger slide bar 28, bracket 29, finger slider 30, finger cover 31, adjusting screw 32, the quad slit and the finger pendulum rod 7 sliding connection that finger link 6 lower extreme set up, the quad slit lower surface that finger link 6 lower extreme set up is provided with the screw hole that runs through to the quad slit center, install adjusting screw 32 on the screw hole, it is fixed to be used for adjusting behind the position of finger link 6 on finger pendulum rod 7, four brackets 29 of fixed mounting on the finger link 6, fixed finger slide bar 28 on the bracket 29, sliding mounting finger slider 30 on the finger slide bar 28, be used for adapting to the patient and point the length change that the in-process of bending and stretching was pointed, finger slider 30 installation finger cover 31, finger cover 31 is used for fixed user's four fingers.
The binding type finger traction device further comprises a control system, and the strain gauge 19 and the servo motor 8 are connected with the control system through circuits.
When a user uses the finger traction device, the support frame 1 is fixed at the front end of the upper limb training mechanism, or fixed at a desk or a chair, or at a bed head, the back of the palm of the user is attached to the palm fixing frame 4, the palm binding band 3 is tightly bound, the distal fingers of the four fingers of the user are fixed in the finger sleeves 31, the control system controls the servo motor 8 to rotate, so as to drive the first connecting rod 5 and the sixth gear 25 to synchronously rotate, the first dual wheel 10 rotates, the synchronous belt 1 drives the second dual wheel 14 to rotate, the second gear on the upper part of the second dual wheel 14 drives the fifth gear 22 to rotate, the fifth pin 23 drives the fourth connecting rod 21 to rotate, through the external meshing transmission of the gears twice, the rotating direction of the fourth connecting rod 21 is the same as that of the first connecting rod 5, because the fifth connecting rod 24, the sixth connecting rod 26, the seventh connecting rod 27 and the fourth connecting rod 21 form an antiparallel four-bar mechanism, the front, the third gear 16 is also fixed on the third pin 17, when the fourth connecting rod 21 swings, the third gear 16 drives the fourth gear 18 to rotate, the fourth gear 18 drives the finger swing link 7 to swing through the fourth pin 20, and the swinging direction of the finger swing link 7 is the same as the swinging direction of the fourth connecting rod 21 and the first connecting rod 5. The four fingers of the user can bend according to the physiological motion track of the fingers.
After the four fingers are bent to a preset angle, the control system controls the servo motor 8 to rotate reversely, and the four fingers of the user are straightened and pulled according to the transmission route during bending.

Claims (8)

1. The utility model provides a tie up and tie up formula finger draw gear, includes support frame (1), finger pendulum rod (7), servo motor (8), finger fixing device, its characterized in that: the servo motor (8) is fixed on the support frame (1), an output shaft of the servo motor (8) is arranged along the vertical direction, a sixth gear (25) is fixed in the middle of the output shaft of the servo motor (8), the rear end of a first connecting rod (5) is fixed on the upper portion of the output shaft of the servo motor (8), the sixth gear (25) is meshed with a first gear arranged on the upper portion of a first duplicate wheel (10), the first duplicate wheel (10) is movably sleeved in the middle of a first pin (9), the lower end of the first pin (9) is fixed on the support frame (1), the upper end of the first pin (9) is fixed at the rear end of a second connecting rod (12), the front end of the second connecting rod (12) is hinged with the right end of a fifth connecting rod (24) through the upper portion of a second pin (13), the front end of the first connecting rod (5) is hinged with the left end of the fifth connecting rod (24) through the upper portion of the fifth pin (23), the second duplicate wheel (14) is movably sleeved in the middle of the second pin (13), the lower part of the second pin (13) is rotatably connected with the rear end of a sixth connecting rod (26), a fifth gear (22) is fixed in the middle of a fifth pin (23), the fifth gear (22) is meshed with a second gear arranged on the upper part of the second duplicate wheel (14), the lower part of the fifth pin (23) is fixed on the rear end of a fourth connecting rod (21), a first belt wheel arranged on the lower part of the first duplicate wheel (10) and a second belt wheel arranged on the lower part of the second duplicate wheel (14) form belt transmission through a synchronous belt (11), the front end of the fourth connecting rod (21) is fixed on the upper part of a third pin (17), the third pin (17) upwards passes through the fourth connecting rod (21) to be rotatably connected with the right end of a seventh connecting rod (27), a third gear (16) is fixed in the middle of the third pin (17), and the lower part of the third pin (17) is rotatably connected with the right end of a third connecting rod (15), the third gear (16) is meshed with the fourth gear (18), the fourth gear (18) is fixed in the middle of a fourth pin (20), the upper portion of the fourth pin (20) is rotatably connected with the left end of a seventh connecting rod (27), the fourth pin (20) upwards penetrates through the seventh connecting rod (27) and then fixes the rear end of a finger swing rod (7), the lower end of the fourth pin (20) is rotatably connected with the left end of a third connecting rod (15), a finger fixing device is fixed on the finger swing rod (7), the fixing position of the finger fixing device on the finger swing rod (7) is adjustable, and a strain gauge (19) is attached to the rear portion of the finger swing rod (7) and used for detecting traction force of four fingers of a user.
2. The bandaging finger traction device of claim 1, wherein: support frame (1) upper surface fixed apron (2), fixed palm mount (4) on apron (2), palm bandage (3) upper end is fixed on palm mount (4), palm bandage (3) lower extreme is fixed on apron (2) for fixed user's palm.
3. The bandaging finger traction device of claim 1, wherein: the transmission ratio of the first belt wheel to the second belt wheel is 1:1, and the gear ratio of the first gear to the sixth gear (25) is 1:1, the gear ratio of the second gear to the fifth gear (22) is 2: 1, the gear ratio of the third gear (16) to the fourth gear (18) is 1: 1.
4. the bandaging finger traction device of claim 1, wherein: the first connecting rod (5), the second connecting rod (12), the fifth connecting rod (24) and the support frame (1) form a parallel four-bar linkage mechanism, and the fifth connecting rod (24), the sixth connecting rod (26), the seventh connecting rod (27) and the fourth connecting rod (21) form an antiparallel four-bar linkage mechanism.
5. The bandaging finger traction device of claim 1, wherein: the finger fixing device comprises: a finger connecting frame (6), a finger sliding rod (28), a bracket (29), a finger sliding block (30), a finger sleeve (31) and an adjusting screw (32), a square hole arranged at the lower end of the finger connecting frame (6) is connected with the finger swing rod (7) in a sliding way, a threaded hole penetrating to the center of the square hole is arranged on the lower surface of the square hole arranged at the lower end of the finger connecting frame (6), an adjusting screw (32) is arranged on the threaded hole, is used for fixing after adjusting the position of the finger connecting frame (6) on the finger swing rod (7), four brackets (29) are fixedly arranged on the finger connecting frame (6), a finger sliding rod (28) is fixed on the brackets (29), a finger sliding block (30) is arranged on the finger sliding rod (28) in a sliding way, the finger sleeve is used for adapting to the length change of fingers of a patient in the bending and stretching process, a finger sleeve (31) is installed on the finger sliding block (30), and the finger sleeve (31) is used for fixing four fingers of the user.
6. The bandaging finger traction device of any one of claims 1-5, wherein: the binding type finger traction device further comprises a control system, and the strain gauge (19) and the servo motor (8) are connected with the control system through circuits.
7. The bandaging finger traction device of any one of claims 1-5, wherein: the first belt wheel and the second belt wheel are synchronous belt wheels.
8. The bandaging finger traction device of claim 2, wherein: the cover plate (2) is arranged above the output shaft of the servo motor (8) and the first pin (9).
CN201810034385.1A 2018-01-15 2018-01-15 Binding type finger traction device Expired - Fee Related CN108186283B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201810034385.1A CN108186283B (en) 2018-01-15 2018-01-15 Binding type finger traction device

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CN108186283A CN108186283A (en) 2018-06-22
CN108186283B true CN108186283B (en) 2019-12-24

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111714328A (en) * 2020-06-28 2020-09-29 山东大学 Cerebral apoplexy patient points rehabilitation training device and upper limbs rehabilitation training device
WO2023067553A1 (en) * 2021-10-20 2023-04-27 Mindmaze Group Sa Hand therapy device

Citations (4)

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CN203802753U (en) * 2014-04-21 2014-09-03 安阳工学院 Finger rehabilitation training device with rolling and massaging functions
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