CN113101129A - Medical rehabilitation equipment capable of moving wrist muscles - Google Patents

Abstract

The invention discloses a medical rehabilitation device capable of moving wrist muscles, which comprises a rehabilitation box, wherein a transmission cavity is arranged in the rehabilitation box, the left wall and the right wall of the transmission cavity are both communicated with a threaded cavity, the left side wall and the right side wall of the threaded cavity are rotatably connected with a transmission shaft penetrating through the transmission cavity, the right end of the outer circular surface of the transmission shaft is provided with threads, the threads extend into the threaded cavity on the right side and are in threaded connection with the threaded cavity on the right side, the left end of the transmission shaft is in left-right sliding connection with the threaded cavity on the left side, the front wall and the rear wall of the transmission cavity are in up-down sliding connection with a supporting plate, the lower end surface of the supporting plate is fixedly connected with a fixed plate, the lower wall of the transmission cavity is rotatably connected with a crank shaft which is positioned on the left side of the, thereby assisting the patient to warm up before wrist rehabilitation training.

Description

Medical rehabilitation equipment capable of moving wrist muscles

Technical Field

The invention relates to the field of medical rehabilitation equipment, in particular to medical rehabilitation equipment capable of moving wrist muscles.

Background

In our daily life, if the muscle of the arm or some joints are injured, or some old people have hand trembling and other situations, the rehabilitation training and the like for strengthening the wrist strength are generally needed, but if no professional guidance exists, people often neglect the warm-up link before the rehabilitation training and often directly carry out the rehabilitation training, so that the training has the risk of damaging the muscle, the existing some devices for assisting the rehabilitation training are difficult to make a better effect on the movable muscle joint before the rehabilitation training, and are difficult to improve the strength rehabilitation effect on the wrist, and the requirements are difficult to meet.

Disclosure of Invention

In order to solve the problems, the embodiment designs a medical rehabilitation device capable of moving wrist muscles, which comprises a rehabilitation box, wherein a transmission cavity is arranged in the rehabilitation box, the left wall and the right wall of the transmission cavity are communicated with a threaded cavity, the left side and the right side of the threaded cavity are rotatably connected with a transmission shaft penetrating through the transmission cavity, the right end of the outer circular surface of the transmission shaft is provided with threads, the threads extend into the threaded cavity on the right side and are in threaded connection with the threaded cavity on the right side, the left end of the transmission shaft is in sliding connection with the threaded cavity on the left side in a left-right mode, the front wall and the rear wall of the transmission cavity are in sliding connection with a supporting plate in an up-down mode, the lower end surface of the supporting plate is fixedly connected with a fixed plate, the lower wall of the transmission cavity is rotatably, the upper end face of the rehabilitation box is fixedly connected with a sliding box, the upper end face of the rehabilitation box is fixedly connected with a rotating support block positioned on the left side of the sliding box, a rotating ring is rotationally connected with the rotating support block, a left and right through placing cavity is arranged in the rotating ring, the left end face of the rotating ring is fixedly connected with a vertically symmetrical soft sleeve, the soft sleeve and the rotating ring are communicated and provided with a soft sleeve cavity with a right opening, a gear cavity with a downward opening and positioned on the lower side of the rotating ring is arranged in the rotating support block, the upper wall of a transmission cavity is communicated and provided with a communication cavity with the upper side communicated with the lower side of the gear cavity, the upper end face of the rehabilitation box is fixedly connected with a hinged block positioned on the left side of the rotating support block, the upper end face of the hinged block is hinged with a support block, the upper end face of the support block, and the outer circular surface of the gripping wheel shaft is fixedly connected with a gripping wheel.

Preferably, the transmission shaft is located one side excircle face fixedly connected with corotation gear in the transmission chamber, the excircle face fixedly connected with of transmission shaft is located the left flywheel of corotation gear, the excircle face fixedly connected with of transmission shaft is located the left reversing gear of flywheel, the excircle face fixedly connected with of transmission shaft is located the left gear fixing plate of reversing gear, gear fixing plate up end with it just to be fixed with the slide rail between the transmission chamber upper wall the gear fixing plate can transmission chamber upper wall department horizontal slip, gear fixing plate right-hand member face rotates and is connected with and is located the diversion gear shaft of transmission shaft downside, diversion gear shaft excircle face fixedly connected with the driven diversion gear of reversing gear meshing.

Preferably, a gear motor is fixedly arranged on the right end face of the supporting plate, the left end face of the gear motor is in power connection with a gear shaft which is rotatably connected with the supporting plate and extends leftwards to the left side of the supporting plate, a vertical gear is fixedly connected to an outer circular face of the gear shaft which is positioned on the left side of the supporting plate, a driving bevel gear which is positioned on the left side of the vertical gear is fixedly connected to an outer circular face of the gear shaft, a driven shaft is rotatably connected to the upper end face of the fixing plate, a driven bevel gear which is in meshing transmission with the driving bevel gear is fixedly connected to the top end of the outer circular face of the driven shaft, a horizontal gear which is positioned on the lower side of the driven bevel gear is fixedly connected to the outer circular face of the, and a clutch spring is fixedly connected between the lower wall of the transmission cavity and the lower end face of the fixing plate.

Preferably, the crank shaft is located outer disc top fixedly connected with crank gear in one side of transmission intracavity, crank up end left end is rotated and is connected with downwardly extending to the connecting axle of crank downside, the connecting axle is located the outer disc of crank downside is rotated and is connected with the connecting rod, the connecting rod left end is articulated to have the articulated slab, be equipped with the direction chamber of lining up about in the articulated slab, recovered case left end face fixedly connected with runs through the direction chamber just extends to left the left guide bar of articulated slab.

Preferably, the upper end face of the hinged plate and the lower end face of the bearing block are hinged to form a hinged connecting rod, the left end face of the bearing block is fixedly connected with a connecting block, the top end of the right end face of the connecting block is fixedly connected with a stop block, and the upper end face of the bearing block is fixedly connected with an arc-shaped supporting block located on the left side of the supporting block.

Preferably, a gear ring is fixedly arranged on the outer circular surface of one side of the rotating ring, which is located in the gear cavity, a rotating gear shaft located on the lower side of the gear ring is fixedly arranged on the left and right walls of the gear cavity, a rotating gear in meshing transmission with the gear ring is fixedly connected to the outer circular surface of the rotating gear shaft, a belt wheel located on the right side of the rotating gear is fixedly connected to the outer circular surface of the rotating gear shaft, a sliding plate located on the left side of the gear fixing plate is fixedly connected to the upper wall of the transmission cavity, a sleeve in rotary connection with the sliding plate is connected to the outer circular surface of the transmission shaft through a key, a belt wheel located on the left side of the sliding plate is fixedly connected.

Preferably, the upper end face of the sliding box is communicated with a sliding cavity with a left opening, the lower wall of the sliding cavity is connected with a telescopic block in a left-right sliding mode, a through cavity which is communicated from left to right is formed in the telescopic block, the left end face of the telescopic block is communicated with an annular sliding cavity which is annular and surrounds the annular sliding cavity, the left wall of the annular sliding cavity is connected with support rods which are symmetrical up and down, and the upper side and the lower side of the support rods can extend into the upper side and the lower side of the soft sleeve cavity.

The invention has the beneficial effects that: the wrist rehabilitation training device drives the upper and lower side supporting rods to drive the wrist to turn forwards and backwards to move through intermittent forward and backward rotation of the motor, so that warming before wrist rehabilitation training of a patient is assisted, and meanwhile, the same motor can drive the supporting block to turn upwards through switching, so that the palm is assisted to be supported, and the wrist rehabilitation training of the patient is assisted.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is an enlarged schematic view of C in fig. 1.

Fig. 5 is an enlarged schematic view of D in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a medical rehabilitation device capable of moving wrist muscles, which comprises arehabilitation box 11, wherein atransmission cavity 12 is arranged in therehabilitation box 11, the left wall and the right wall of thetransmission cavity 12 are both communicated and provided with a threadedcavity 13, the threadedcavities 13 on the left side and the right side are rotatably connected with atransmission shaft 30 penetrating through thetransmission cavity 12, the right end of the outer circular surface of thetransmission shaft 30 is provided with athread 31, thethread 31 extends into the threadedcavity 13 on the right side and is in threaded connection with the threadedcavity 13 on the right side, the left end of thetransmission shaft 30 is in left-right sliding connection with the threadedcavity 13 on the left side, the front wall and the rear wall of thetransmission cavity 12 are in up-down sliding connection with asupport plate 46, the lower end surface of thesupport plate 46 is fixedly connected with afixed plate 45, the lower wall of thetransmission cavity 12 is rotatably connected with acrank shaft 55 which is positioned on the left, the upper end face of therehabilitation box 11 is fixedly connected with asliding box 14, the upper end face of therehabilitation box 11 is fixedly connected with a rotatingsupport block 21 positioned on the left side of thesliding box 14, a rotatingring 35 is rotatably connected in the rotatingsupport block 21, a left through placingcavity 68 is arranged in the rotatingring 35, the left end face of the rotatingring 35 is fixedly connected with a vertically symmetrical soft sleeve 18, a right-openingsoft sleeve cavity 20 is communicated with the rotatingring 35, agear cavity 36 with a downward opening and positioned on the lower side of the rotatingring 35 is arranged in therotating support block 21, the upper wall of thetransmission cavity 12 is communicated with a communicatingcavity 42 with the lower side of thegear cavity 36, the upper end face of therehabilitation box 11 is fixedly connected with ahinged block 22 positioned on the left side of therotating support block 21, the upper end face of the hingedblock 22 is hinged with abearing block 61, the upper end face of thebearing block 61 is fixedly connected with front and backsymmetrical support blocks 65, agrasping wheel shaft 67 is rotatably connected between the supportingblocks 65 at the front side and the rear side, and agrasping wheel 66 is fixedly connected to the outer circular surface of thegrasping wheel shaft 67.

Beneficially, aforward gear 32 is fixedly connected to an outer circumferential surface of one side of thetransmission shaft 30 located in thetransmission cavity 12, aflywheel 33 located on the left side of theforward gear 32 is fixedly connected to an outer circumferential surface of thetransmission shaft 30, a reverse gear 70 located on the left side of theflywheel 33 is fixedly connected to an outer circumferential surface of thetransmission shaft 30, agear fixing plate 69 located on the left side of the reverse gear 70 is fixedly connected to an outer circumferential surface of thetransmission shaft 30, a sliding rail is fixedly arranged between an upper end surface of thegear fixing plate 69 and an upper wall of thetransmission cavity 12, thegear fixing plate 69 can slide left and right on the upper wall of thetransmission cavity 12, a direction changinggear shaft 71 located on the lower side of thetransmission shaft 30 is rotatably connected to a right end surface of thegear fixing plate 69, and a direction changing.

Beneficially, agear motor 47 is fixedly arranged on the right end surface of the supportingplate 46, agear shaft 48 which is rotatably connected with the supportingplate 46 and extends leftwards to the left side of the supportingplate 46 is dynamically connected to the left end surface of thegear motor 47, avertical gear 49 is fixedly connected to the outer circular surface of thegear shaft 48 which is located on the left side of the supportingplate 46, adriving bevel gear 50 which is located on the left side of thevertical gear 49 is fixedly connected to the outer circular surface of thegear shaft 48, a drivenshaft 51 is rotatably connected to the upper end surface of thefixing plate 45, a drivenbevel gear 52 which is in meshing transmission with thedriving bevel gear 50 is fixedly connected to the top end of the outer circular surface of the drivenshaft 51, ahorizontal gear 53 which is located on the lower side of the drivenbevel gear 52 is fixedly connected to the outer circular surface of the drivenshaft 51,magnetic blocks 57, aclutch spring 59 is fixedly connected between the lower wall of thetransmission cavity 12 and the lower end surface of thefixing plate 45.

Advantageously, acrank gear 54 is fixedly connected to the top end of the outer circular surface of one side of thecrank shaft 55 located in thetransmission cavity 12, a connectingshaft 28 extending downwards to the lower side of thecrank 29 is rotatably connected to the left end of the upper end surface of thecrank 29, a connectingrod 27 is rotatably connected to the outer circular surface of the lower side of thecrank 28, ahinged plate 24 is hinged to the left end surface of the connectingrod 27, a guide cavity 25 penetrating from left to right is arranged in thehinged plate 24, and aguide rod 26 extending through the guide cavity 25 and extending leftwards to the left side of thehinged plate 24 is fixedly connected to the left end surface of.

Advantageously, the upper end surface of thehinged plate 24 is hinged with the lower end surface of thebearing block 61 through the hinged connectingrod 23, the left end surface of thebearing block 61 is fixedly connected with the connectingblock 62, the top end of the right end surface of the connectingblock 62 is fixedly connected with thestop block 63, and the upper end surface of thebearing block 61 is fixedly connected with the arc-shaped supportingblock 64 positioned on the left side of the supportingblock 65.

2, advantageously, agear ring 38 is fixedly arranged on the outer circumferential surface of one side of the rotatingring 35 located in thegear cavity 36, a rotatinggear shaft 37 located on the lower side of thegear ring 38 is fixedly arranged on the left and right walls of thegear cavity 36, a rotatinggear 39 in meshing transmission with thegear ring 38 is fixedly connected to the outer circumferential surface of the rotatinggear shaft 37, apulley 40 located on the right side of therotating gear 39 is fixedly connected to the outer circumferential surface of therotating gear shaft 37, asliding plate 44 located on the left side of thegear fixing plate 69 is fixedly connected to the upper wall of thetransmission cavity 12, asleeve 43 in rotating connection with thesliding plate 44 is keyed to the outer circumferential surface of thetransmission shaft 30, thepulley 40 located on the left side of thesliding plate 44 is fixedly connected to the outer circumferential surface of thesleeve 43.

Beneficially, the upper end face of thesliding box 14 is communicated with asliding cavity 15 with a leftward opening, a lower wall of thesliding cavity 15 is connected with atelescopic block 16 in a left-right sliding mode, a through cavity 17 which is through from left to right is arranged in thetelescopic block 16, the left end face of thetelescopic block 16 is communicated with anannular sliding cavity 34 which is provided with an annular shape and surrounds the through cavity 17, a left wall of the annularsliding cavity 34 is connected withsupport rods 19 which are symmetrical up and down, and thesupport rods 19 on the upper side and the lower side can extend into the upper side and the lower side of thehose cavity 20.

The use steps herein are described in detail below with reference to fig. 1-5:

in the initial state: the upper and lowerside support rods 19 extend into thesoft sleeve cavity 20, theclutch spring 59 is in a relaxed state, themagnet 57 and theelectromagnet 58 are in a separated state, and thevertical gear 49 is pushed by the thrust of theclutch spring 59 to be in meshing transmission with theforward rotation gear 32.

In operation, place the wrist between upper and lower both sides soft cover 18, thereby startgear motor 47 for a certain time and drivegear shaft 48 and rotate, thereby drivevertical gear 49 through the rotation ofgear shaft 48 and rotate, thereby drivecorotation gear 32 through meshing transmission and rotate, thereby drivetransmission shaft 30 corotation through the rotation ofcorotation gear 32, thereby driveflywheel 33 through the corotation oftransmission shaft 30 and rotate and accumulate potential energy, thereby drivetransmission shaft 30 through the threaded connection ofscrew 31 with threadedcavity 13 and move rightwards to threadedcavity 13 through the corotation oftransmission shaft 30 at this moment, thereby drivesleeve 43 through the key-type connection through the rotation oftransmission shaft 30 and rotate, thereby drive lowerside band pulley 40 and rotate, thereby drive upperside band pulley 40 through the connection ofbelt 41 through the rotation of lowerside band pulley 40, thereby drive rotatinggear shaft 37 corotation, thereby drive through the rotation of rotatinggear shaft 37 and the meshing transmission ofring gear 38 through the rotation of rotatinggear shaft 37 at this The rotatingring 35 rotates to drive the upper and lower soft sleeves 18 to rotate, the wrist is driven to turn over a certain angle through the rotation of the upper and lower soft sleeves 18, thegear motor 47 is turned off and drives thetransmission shaft 30 to continuously rotate and continuously move rightwards through the potential energy accumulated by theflywheel 33, when thetransmission shaft 30 moves rightwards to drive thechange gear 72 to be meshed with thevertical gear 49, thegear motor 47 is started and drives thegear shaft 48 to rotate reversely, at the same time, thetransmission shaft 30 is driven to rotate reversely through the meshed transmission of thevertical gear 49 and thechange gear 72 and the meshed transmission of thechange gear 72 and the reverse gear 70, so that thetransmission shaft 30 is driven to move leftwards, and therotating gear 39 is driven to rotate reversely through the reverse rotation of thetransmission shaft 30, so that the upper and lower soft sleeves 18 are driven to rotate reversely, so that the wrist is, thereby automatically moving the wrist, when the wrist movement is finished, thetelescopic block 16 is pulled rightwards, thereby driving the upper and lowerside support rods 19 to move to the outer side of thesoft sleeve cavity 20, at the same time, thesoft sleeve cavity 20 loses support and cannot continuously support the wrist, meanwhile, the back of the hand is contacted with the upper end surfaces of thesupport block 61 and the arc-shaped support block 64 and thegripping wheel 66 is gripped through the palm, at the same time, theelectromagnet 58 is started to overcome the thrust of theclutch spring 59 to adsorb themagnetic block 57, thereby driving thefixing plate 45 to move downwards and driving thehorizontal gear 53 to be meshed with thecrank gear 54 for transmission, at the same time, thegear motor 47 is started to drive thegear shaft 48 to continuously rotate, the drivingbevel gear 50 is driven to rotate through the rotation of thegear shaft 48, thereby the drivenshaft 51 is driven to rotate through the meshed transmission of thedriving bevel gear 50 and the drivenbevel gear 52, thereby driving thehorizontal gear 53 to, thecrank 29 is driven to rotate around thecrank shaft 55, the connectingrod 27 is driven to turn and swing through the rotation connection of the connectingshaft 28, thehinge plate 24 is driven to reciprocate left and right through the guide of theguide rod 26, and the end, away from the hinge joint of thehinge block 22, of thebearing block 61 is pushed to turn upwards through the hinge joint of thehinge connecting rod 23 through the repeated movement of thehinge plate 24, so that the wrist can be assisted to bend and lift.

The invention has the beneficial effects that: the wrist rehabilitation training device drives the upper and lower side supporting rods to drive the wrist to turn forwards and backwards to move through intermittent forward and backward rotation of the motor, so that warming before wrist rehabilitation training of a patient is assisted, and meanwhile, the same motor can drive the supporting block to turn upwards through switching, so that the palm is assisted to be supported, and the wrist rehabilitation training of the patient is assisted.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a can move about medical treatment rehabilitation equipment of wrist muscle, includes recovered case, its characterized in that: the rehabilitation box is internally provided with a transmission cavity, the left wall and the right wall of the transmission cavity are both communicated with a threaded cavity, the left side and the right side of the threaded cavity are rotatably connected with a transmission shaft penetrating through the transmission cavity, the right end of the outer circular surface of the transmission shaft is provided with threads, the threads extend into the right side of the threaded cavity and are in threaded connection with the right side of the threaded cavity, the left end of the transmission shaft is in left-right sliding connection with the left side of the threaded cavity, the front wall and the rear wall of the transmission cavity are in up-down sliding connection with a support plate, the lower end surface of the support plate is fixedly connected with a fixed plate, the lower wall of the transmission cavity is rotatably connected with a crank shaft which is positioned at the left side of the fixed plate and extends downwards to the lower side of the rehabilitation box, the crank shaft is positioned at the outer, the improved rehabilitation box is characterized in that a rotating ring is rotationally connected in the rotating support block, a left and right through placing cavity is formed in the rotating ring, a flexible sleeve which is vertically symmetrical is fixedly connected to the left end face of the rotating ring, a right-opening flexible sleeve cavity is communicated with the inside of the rotating ring, a gear cavity which is downward in opening and located on the lower side of the rotating ring is arranged in the rotating support block, a communicating cavity which is communicated with the upper side and the lower side of the gear cavity is communicated with the upper wall of the transmission cavity, a hinged block which is located on the left side of the rotating support block is fixedly connected to the upper end face of the rehabilitation box, a bearing block is hinged to the upper end face of the hinged block, the upper end face of the bearing block is fixedly connected with front and back symmetrical support blocks, a gripping wheel shaft is rotationally.

2. A medical rehabilitation apparatus capable of moving wrist muscles according to claim 1, wherein: the transmission shaft is located outer disc fixedly connected with corotation gear of one side in the transmission cavity, outer disc fixedly connected with of transmission shaft is located the left flywheel of corotation gear, outer disc fixedly connected with of transmission shaft is located the left reversing gear of flywheel, outer disc fixedly connected with of transmission shaft is located the left gear fixing plate of reversing gear, gear fixing plate up end with it is just to fix being equipped with the slide rail between the transmission chamber upper wall the gear fixing plate can transmission chamber upper wall department horizontal slip, gear fixing plate right-hand member face rotates and is connected with and is located the diversion gear shaft of transmission shaft downside, outer disc fixedly connected with of diversion gear shaft with the driven diversion gear of reversing gear meshing.

3. A medical rehabilitation apparatus capable of moving wrist muscles according to claim 1, wherein: a gear motor is fixedly arranged on the right end surface of the supporting plate, the left end surface of the gear motor is in power connection with a gear shaft which is rotationally connected with the supporting plate and extends leftwards to the left side of the supporting plate, the outer circular surface of the gear shaft, which is positioned on the left side of the supporting plate, is fixedly connected with a vertical gear, the outer circular surface of the gear shaft is fixedly connected with a driving bevel gear which is positioned on the left side of the vertical gear, the upper end surface of the fixed plate is rotationally connected with a driven shaft, the top end of the outer circular surface of the driven shaft is fixedly connected with a driven bevel gear which is in meshing transmission with the driving bevel gear, the outer circular surface of the driven shaft is fixedly connected with a horizontal gear positioned at the lower side of the driven bevel gear, the lower end surface of the fixed plate is fixedly connected with magnetic blocks which are bilaterally symmetrical, the lower wall of the transmission cavity is fixedly provided with electromagnets which are positioned at the lower sides of the magnetic blocks at the left side and the right side and are symmetrical left and right, and a clutch spring is fixedly connected between the lower wall of the transmission cavity and the lower end face of the fixed plate.

4. A medical rehabilitation apparatus capable of moving wrist muscles according to claim 1, wherein: the crank shaft is located outer disc top fixedly connected with crank gear in one side of transmission intracavity, crank up end left end rotates and is connected with downwardly extending the connecting axle of crank downside, the connecting axle is located the outer disc of crank downside rotates and is connected with the connecting rod, the connecting rod left end face articulates there is the articulated slab, be equipped with the direction chamber of lining up about in the articulated slab, recovered case left end face fixedly connected with runs through the direction chamber just extends to left the guide bar of articulated slab.

5. A medical rehabilitation apparatus capable of moving wrist muscles according to claim 1, wherein: the hinge plate is characterized in that the upper end face of the hinge plate and the lower end face of the bearing block are hinged to form a hinge connecting rod, the left end face of the bearing block is fixedly connected with a connecting block, the top end of the right end face of the connecting block is fixedly connected with a stop block, and the upper end face of the bearing block is fixedly connected with an arc-shaped supporting block located on the left side of the supporting block.

6. A medical rehabilitation apparatus capable of moving wrist muscles according to claim 1, wherein: the transmission mechanism comprises a gear cavity, a transmission shaft, a transmission belt, a belt wheel, a belt and a transmission belt, wherein the transmission shaft is arranged in the gear cavity, the outer circular surface of one side of the transmission shaft is fixedly provided with a gear ring, the left wall and the right wall of the gear cavity are fixedly provided with the transmission gear shaft arranged on the lower side of the gear ring, the outer circular surface of the transmission gear shaft is fixedly connected with the transmission gear in meshing transmission with the gear ring, the outer circular surface of the transmission shaft is fixedly connected with the belt wheel arranged on the left side of the transmission plate, the upper wall and the lower wall of the transmission chamber are fixedly connected with.

7. A medical rehabilitation apparatus capable of moving wrist muscles according to claim 1, wherein: the utility model discloses a flexible case of sliding, including the case that slides, the case up end intercommunication that slides is equipped with the opening chamber that slides to the left, the chamber lower wall that slides from side to side sliding connection has flexible piece, be equipped with the chamber that link up about in the flexible piece, flexible piece left end face intercommunication be equipped with annular and encircle in the annular sliding chamber that links up the chamber, annular sliding chamber left side wall sliding connection has the bracing piece of longitudinal symmetry, both sides about the bracing piece can stretch into both sides about the flexible cover intracavity.

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