CN114733153B - Arm rehabilitation device capable of exercising holding force - Google Patents

Abstract

The invention discloses an arm rehabilitation device capable of exercising holding force, which comprises a fixed seat and a fixed part, wherein the two ends of the fixed seat are rotatably connected with the fixed part, two ends of the top surface of the fixed seat are symmetrically and slidably connected with movable plates, the top of each movable plate is provided with a fixed cylinder, and a traction device and a twisting device are arranged between the inside of each fixed cylinder and the corresponding movable plate. According to the invention, through the twisting device arranged above the fixed seat, a patient grabs the movable handle to drive the movable column to rotate left and right along with the wrist, and the movable column is triggered to rotate through the torsion wheel, so as to drive the wire drawing and stretching the lacing wire.

Description

Arm rehabilitation device capable of exercising holding force

Technical Field

The invention relates to the technical field of medical instrument research, in particular to an arm rehabilitation device capable of exercising holding force.

Background

The patient needs to do necessary strength training after arm operation, which helps the arm to recover the activity and gripping ability quickly. The postoperative patient needs to strengthen the training intensity step by step when just starting training in order to avoid aggravating the arm wound injury. The existing trainer is large and is inconvenient to be fixed on a bed rod or a chair handle, namely, the existing trainer is inconvenient for a patient to sit or lie to train arms.

Disclosure of Invention

The present invention is directed to an arm rehabilitation device capable of exercising a grip force, so as to solve the problems of the related art.

In order to achieve the purpose, the invention provides an arm rehabilitation device capable of exercising holding force, which comprises a fixed seat and a fixed part, wherein the fixed part is rotatably connected with two ends of the fixed seat, the fixed part comprises a clamping plate, a threaded rod and a fixed frame, the threaded rod is in threaded connection with the middle of one end of the clamping plate, the fixed frame is used for driving the clamping plate to turn up and down and limiting the axial movement of the clamping plate along the threaded rod, two ends of the top surface of the fixed seat are symmetrically and slidably connected with movable plates, a fixed cylinder is arranged at the top of each movable plate, a traction device is arranged between the inside of the fixed cylinder and the movable plates, each traction device comprises a movable column penetrating through the middle of the fixed cylinder, a pull belt fastened and connected with the inner end of the movable column, and a winding device for winding the pull belt, tension adjusting groups for controlling the tensile force of the pull belt are arranged at two ends of the winding device, an avoiding groove is formed in the upper half part of the middle of the fixed cylinder, and a positioning ring penetrating through the movable column is sleeved outside the middle part of the fixed cylinder.

As a further improvement of the technical scheme, the two end faces of the fixing seat are symmetrically provided with a convex ring which is connected with one end of the fixing frame through pin rotation, the two ends of the bottom surface of the fixing seat are provided with arc-shaped counter bores, the two arc-shaped counter bores are concentric, and the middle part of the bottom surface of the movable plate is in threaded connection with a bolt which penetrates through the arc-shaped counter bores.

As a further improvement of the technical scheme, the winding device comprises a winding shaft for winding the drawstring and a positioning cylinder for supporting two ends of the winding shaft, a square hole is formed in a central shaft of the winding shaft in a penetrating manner, an inserting strip is arranged in the top of the outward end of the positioning cylinder, the inserting strip and the positioning cylinder are in the same axial direction, and an annular groove is formed in the inner side of the bottom of the movable plate.

As a further improvement of the technical scheme, the tension adjusting group comprises a tension shaft for adjusting the rotating force of the scroll, an adjusting shaft for driving the tension shaft to rotate, a coil spring tightly sleeved with the tension shaft, and a push plate and a pressure spring for keeping the tension shaft and the scroll to move coaxially, wherein a counter bore concentric with the annular groove is formed in the inner side surface of the movable plate, the counter bore penetrates through the movable plate, the inner diameter of the counter bore is enlarged towards the outer end, and the tension shaft and the adjusting shaft are respectively connected with the inner port and the outer port of the counter bore in an inserting mode.

As a further improvement of the technical scheme, a square column spliced with the square hole is arranged on a central shaft at the inner end of the tension shaft, a barrel sleeve sleeved with the inserting strip is arranged at the outer end of the coil spring, and a convex column spliced with an inner hole of the tension shaft is arranged at one end of the adjusting shaft.

As a further improvement of the technical scheme, the outward end of the movable column is fixedly connected with a movable handle through a bolt, and the outer side of the movable plate is fixedly connected with a clamping block through a bolt.

As a further improvement of the technical scheme, the inside of the fixed cylinder is provided with a twisting device for controlling the rotating force of the movable column, the twisting device comprises a twisting wheel spliced with the movable column, pull rods bonded with the outer ends of the pull rods and the pull rods articulated with the two sides of the top of the twisting wheel, and a fixed wheel shaft used for clamping the twisting wheel, and a plurality of side holes are formed in the central shaft of the twisting wheel.

As a further improvement of the technical scheme, one end of the fixed wheel shaft is provided with a wheel clamping block, the other end of the fixed wheel shaft is provided with a positioning plate clamped with the end port of the fixed cylinder, and the top of the end surface of the positioning plate is provided with an arc-shaped movable groove.

As a further improvement of the technical scheme, the outer end of the lacing wire is sequentially sleeved with a movable sleeve and a pulling sleeve from inside to outside, the movable sleeve is sleeved with the lacing wire and can slide, and the pulling sleeve is in threaded connection with the movable sleeve.

As a further improvement of the technical scheme, clamping grooves are symmetrically formed in the top of the torsion wheel, and clamping pins clamped with the clamping grooves are arranged at the inward end of the drawn wire.

Compared with the prior art, the invention has the beneficial effects that:

1. in the arm rehabilitation device capable of exercising the holding force, the fixing parts which can be turned over are arranged at the two ends of the fixing base, irregular fixing components such as bed rods are clamped together by the clamping plates which are vertically moved in the fixing frame and matched with the fixing base, so that the fixing base stably supports the rehabilitation device, a patient can use the arm rehabilitation device normally, and the arm rehabilitation device is convenient to operate, simple in structure, easy to store and practical.

2. In the arm rehabilitation device capable of training the holding force, the twisting device is arranged above the fixing seat, the movable handle is grabbed by a patient to drive the movable column to rotate left and right along with the wrist, the twisting wheel is touched to rotate, and then the wire drawing and stretching lacing wire is driven, so that the arm of the patient can obtain the strength training of the radial holding force, and the arm rehabilitation device has popularization and use values.

3. In this can temper arm rehabilitation device of power of gripping, through the draw-off device that sets up above the fixing base, patient's gripping activity handle drives activity post axial motion, and the extension of tractive stretching strap, and then drives spool and pulling force axle synchronous revolution for the winding spring inner circle rolling holds power, makes patient's arm obtain the intensity training of axial power of gripping, has value to popularize and use.

4. In this can temper arm rehabilitation device who grips power, the cover is equipped with the movable sleeve and draws the cover through the outer end department at the lacing wire and from inside to outside in proper order to through drawing cover and movable sleeve threaded connection, the outer end of lacing wire is tied a knot and is conglomerated and spacing the cover that draws, thereby draws the cover to shift out in the movable sleeve through the rotation, and tighten the lacing wire, with the revolving force that increases the turning wheel, improve the training intensity that patient's arm gripped power, its simple operation is practical.

5. In this can temper arm rehabilitation device who grips power, through the pulling force regulation group that sets up, utilize the regulating spindle to drive the rotation of pulling force axle and tighten up or release the coil spring, and increase or weaken the revolving force of spool for stretching strap tractive resistance increases or reduces, does benefit to the patient and adapts to the adjustment training according to self recovered condition.

6. In this can temper arm rehabilitation device of power of holding, through set up a pair of fly leaf that can parallel deflection on the fixing base to but support wrench movement device and tractive device, guarantee that fixed cylinder can swing the angle and do benefit to the patient arm of lying and draw the activity post to one side and hold power intensity exercise.

Drawings

FIG. 1 is a schematic view of an overall assembly structure of embodiment 1;

FIG. 2 is one of the assembling structures of the twisting device and the pulling device of the embodiment 1;

FIG. 3 is a second schematic view showing an assembling structure of the twisting means and the pulling means of the embodiment 1;

FIG. 4 is a schematic view showing an assembling structure of the pulling apparatus in example 1;

FIG. 5 is a schematic view of an assembly structure of the fixed plate and the movable plate according to embodiment 1;

FIG. 6 is a second schematic view illustrating an assembly structure of the fixed base and the movable plate according to embodiment 1;

FIG. 7 is a disassembled view of the fixing part in embodiment 1;

fig. 8 is a partially disassembled view of the twisting device of embodiment 1;

FIG. 9 is a schematic view showing a torsion wheel assembling structure in embodiment 1;

FIG. 10 is an upper exploded view of the pulling apparatus in accordance with embodiment 1;

FIG. 11 is a lower exploded view of a pulling apparatus in accordance with embodiment 1;

FIG. 12 is a disassembled view of the tension adjusting group in the embodiment 1;

FIG. 13 is a second exploded view of the tension adjusting group of the embodiment 1.

The various reference numbers in the figures mean:

100. a fixed seat; 101. a convex ring; 102. an arc-shaped counter bore; 110. a fixed part; 111. a splint; 112. a threaded rod; 113. a fixing frame; 114. rotating the block; 120. a clamping block;

200. a movable plate; 201. a counter bore; 202. an annular groove; 210. a fixed cylinder; 211. sheathing the plate; 212. an avoidance groove;

300. a twisting device; 310. a torsion wheel; 311. a polygonal hole; 312. a card slot; 313. a bayonet lock; 320. drawing wires; 330. stretching a rib; 331. a movable sleeve; 332. pulling the sleeve; 340. a fixed wheel shaft; 341. a pinch roller block; 342. positioning a plate; 343. a movable groove;

400. a pulling device; 410. a movable post; 411. a movable handle; 412. a positioning ring; 420. pulling the belt; 430. a winding device; 431. a reel; 4311. a square hole; 432. a positioning cylinder; 433. cutting;

440. a tension adjusting group; 441. a tension shaft; 4411. a square column; 442. an adjustment shaft; 4421. a convex column; 443. a coil spring; 4431. a barrel sleeve; 444. pushing the plate; 445. and (5) pressing a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central axis", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1 to 13, the present invention provides an arm rehabilitation device capable of exercising grip force, which includes a fixing base 100 and a fixing portion 110 rotatably connected to two ends of the fixing base, wherein the fixing portion 110 includes a clamping plate 111, a threaded rod 112 screwed to the middle of one end of the clamping plate 111, and a fixing frame 113 for driving the clamping plate 111 to rotate up and down and limiting the axial movement of the clamping plate 111 along the threaded rod 112, the threaded rod 112 penetrates through the center line of the fixing frame 113 in the length direction, the clamping plate 111 is clamped and slidable with the fixing frame 113, the threaded rod 112 is tightly sleeved with a rotating block 114 far from the rotating end of the fixing frame 113 for driving the rotating block 114 to drive the threaded rod 112 to rotate, so as to drive the clamping plate 111 to move along the axial direction thereof, and further adjust the distance between the clamping plate 111 and the bottom surface of the fixing base 100, so as to clamp fixing members such as bed poles or chair handles with different thicknesses, and enable the fixing base 100 to stably support the parts above. The movable plates 200 are symmetrically and slidably connected to two ends of the top surface of the fixing base 100, wherein the fixing frame 113 is folded by being upwardly turned to the outer side surface of the movable plate 200, so that the fixing base 100 is conveniently and stably placed on a table.

In this embodiment, the top of the movable plate 200 is provided with a fixed cylinder 210, and two ends of the bottom of the fixed cylinder 210 are integrally formed with plate sleeves 211 clamped with the top end of the movable plate 200, so that the movable plate is convenient to disassemble and assemble. A pulling device 400 is arranged between the inside of the fixed cylinder 210 and the movable plate 200, the pulling device 400 comprises a movable column 410 penetrating through the middle part of the fixed cylinder 210, a pulling belt 420 fastened with the inner end of the movable column 410 and a winding device 430 for winding the pulling belt 420, the patient drives the pulling belt 420 to extend by pulling the movable column 410, and then the more the rotation resistance of the winding device 430 is, the more the rotation resistance is, the stronger the holding force strength of the arm of the patient is. Tension adjusting groups 440 for controlling the tension of the pull belt 420 are arranged at the two ends of the winding device 430, the winding force of the winding device 430 is changed by adjusting the tension adjusting groups 440, and the extending resistance of the traction movable column 410 is further changed, so that the exercise intensity can be adjusted according to the rehabilitation condition of the arm of the patient. The upper half part of the middle part of the fixed cylinder 210 is provided with an avoiding groove 212 for limiting the rotating range of the movable column 410 outside the fixed cylinder 210, so that the movable column 410 can be stretched to exercise the arm holding force intensity when a patient lies and stands. A positioning ring 412 penetrating through the movable column 410 is sleeved outside the middle part of the fixed cylinder 210 and used for positioning the movable column 410 to stably move in the avoiding groove 212.

Furthermore, two end faces of the fixing base 100 are symmetrically provided with convex rings 101 rotatably connected with one end of the fixing frame 113 through pins, when the fixing frame 113 rotates vertically downwards, the clamping plates 111 are arranged in parallel with the fixing base 100 for clamping the rod member, and the fixing frame 113 rotates upwards to lean against the outer side face of the movable plate 200 and is folded. Arc counter bores 102 have been seted up at the bottom surface both ends department of fixing base 100, two arc counter bores 102 are concentric, and its centre of a circle coincides with the bottom surface center of fixing base 100, the interior width that arc counter bore 102 runs through the fixing base 100 top surface is less than its interior width that runs through the fixing base 100 bottom surface, form limit structure with this, the bottom surface middle part threaded connection of fly leaf 200 has the bolt that passes arc counter bore 102, pass arc counter bore 102 top through the bolt thread section, and the bolt end inlays and locates in arc counter bore 102 bottom, so that two fly leaves 200 can be parallel sliding on the fixing base 100 top surface, guarantee that a fixed cylinder 210 can swing the angle and do benefit to the oblique pull activity post 410 of patient's arm of lying and hold power intensity exercise.

Specifically, the winding device 430 includes a reel 431 for winding the pulling tape 420 and positioning barrels 432 for supporting both ends of the reel 431, the near ends of the two positioning barrels 432 are closed and are inserted into the reel 431, the positioning barrels 432 are open towards one end of the movable plate 200, the pulling tape 420 is wound outside the middle section of the reel 431, and the pulling tape 420 is wound by one turn by the limitation of the positioning barrels 432. A square hole 4311 is formed in a central shaft of the reel 431 in a penetrating manner, an inserting strip 433 is arranged in the top of the outward end of the positioning barrel 432, the inserting strip 433 is the same as the positioning barrel 432 in axial direction, an annular groove 202 is formed in the inner side of the bottom of the movable plate 200, and the opening end of the positioning barrel 432 is tightly matched with the annular groove 202 in an inserting manner and used for supporting the reel 431 to rotate stably.

Specifically, the tension adjusting assembly 440 includes a tension shaft 441 for adjusting the rotation force of the reel 431, an adjusting shaft 442 for driving the tension shaft 441 to rotate, a coil spring 443 tightly sleeved with the tension shaft 441, and a push plate 444 and a pressure spring 445 for keeping the tension shaft 441 and the reel 431 to move coaxially, one end of the pressure spring 445 is bonded to the push plate 444, the pressure spring 445 is sleeved on the outer side of the tension shaft 441, and the other end of the pressure spring 445 abuts against the inner side of the movable plate 200. The adjusting shaft 442 is pulled outwards to drive the tension shaft 441 to be separated from the scroll 431, then the adjusting shaft 442 is rotated to drive the tension shaft 441 to rotate to tighten the coil spring 445, then the adjusting shaft 442 is loosened, the push plate 444 obtains the resilience force of the pressure spring 445, the coil spring 445 drives the tension shaft 441 to be coaxially connected with the scroll 431 again under the pushing of the push plate 444, further the rotation force of the scroll 431 is increased, the pull belt 420 is large in traction resistance, namely, the arm exercise intensity is increased, if the adjusting shaft 442 is rotated reversely, the coil spring 445 can be released, the traction resistance of the pull belt 420 is reduced, namely, the arm exercise intensity is reduced, and the patient can be favorably adjusted and trained according to the self rehabilitation condition. The inner side surface of the movable plate 200 is provided with a counter bore 201 which has the same central axis as the annular groove 202, the counter bore 201 penetrates through the movable plate 200, the inner diameter of the outward end of the counter bore 201 is enlarged, and the tension shaft 441 and the adjusting shaft 442 are respectively inserted into the inner port and the outer port of the counter bore 201, so that the limiting is formed, and the adjusting shaft 442 is prevented from being embedded into the counter bore 201 and being incapable of pulling the adjusting shaft 442.

Furthermore, a square column 4411 inserted into the square hole 4311 is disposed on a central axis of an inner end of the tension shaft 441, such that the tension shaft 441 and the reel 431 rotate synchronously, when the square column 4411 is separated from the square hole 4311, the tension shaft 441 can be rotated independently to change a rotation force, and a cylinder inserted into the square hole 4311 is disposed on an outer end of the square column 4411, such that the tension shaft 441 and the reel 431 are always coaxially disposed, and the square column 4411 is easily inserted back into the square hole 4311. The outer end of the coil spring 443 is provided with a sleeve 4431 sleeved with the insert 433, so that the outer end of the coil spring 443 is positioned, and when the rotating tension shaft 441 drives the inner end of the coil spring 443 to be rolled or released, the outer end of the coil spring 443 does not move. One end of the adjusting shaft 442 is provided with a convex column 4421 inserted into the inner hole of the tension shaft 441, and the convex column 4421 is connected with the tension shaft 441 through a pin in a penetrating manner, so that the adjusting shaft 442 drives the tension shaft 441 to move axially and rotationally.

In addition, a movable handle 411 is fixedly connected to the outward end of the movable column 410 through a bolt, so that the patient can grasp the movable handle 411 to drive the movable column 410 to move axially and rotationally. The outer side of the movable plate 200 is fixedly connected with a clamping block 120 through a bolt, and the clamping block is used for clamping the upturned fixed frame 113 to ensure that the upturned fixed frame is stably accommodated by the side.

Specifically, the inside of the fixed cylinder 210 is provided with a twisting device 300 for controlling the rotating force of the movable column 410, the twisting device 300 comprises a torsion wheel 310 inserted into the movable column 410, pull wires 320 hooked on two sides of the top of the torsion wheel 310, a pull wire 330 bonded to the outer end of the pull wire 320, and a fixed wheel shaft 340 for clamping the torsion wheel 310, a multi-edge hole 311 is formed in the central shaft of the torsion wheel 310, the movable column 410 is a polygonal cylinder so as to smoothly drive the torsion wheel 310 to rotate, the pull wire 330 is preferably made of a rubber band with high strength, and the torsion wheel 310 can be left-handed or right-handed to trigger the corresponding pull wire 330 to extend to generate resistance, so that the arm holding force of a patient can be further exercised.

Specifically, one end of the fixed wheel shaft 340 is provided with a clamping wheel block 341, and the cross section of the clamping wheel block 341 is U-shaped, which is beneficial to ensuring that the torsion wheel 310 stably rotates along the central shaft of the torsion wheel. The other end of the fixed axle 340 is provided with a positioning plate 342 clamped with the port of the fixed cylinder 210, so that the fixed axle 340 is suspended stably, and the clamping torsion wheel 310 rotates stably. The top of the end surface of the positioning plate 342 is provided with an arc-shaped movable groove 343.

Furthermore, the outer end of the tie bar 330 is sleeved with a movable sleeve 331 and a pull sleeve 332 in sequence from inside to outside, and the longitudinal section of the movable sleeve 331 is i-shaped, so that a clamping structure with the movable groove 343 is formed, the slip is avoided, and the drawing wire 320 and the tie bar 330 are straightened. The movable sleeve 331 is sleeved with the lacing wire 330 and can slide, the pulling sleeve 332 is in threaded connection with the movable sleeve 331, the outer end of the lacing wire 330 is knotted into a ball, the pulling sleeve 332 is limited not to slip, and meanwhile, the pulling sleeve 332 is rotated to move out of the movable sleeve 331 to tighten the lacing wire 330, so that the rotating force of the torsion wheel 310 is increased, and the training intensity of the arm holding force of a patient is improved.

In addition, the top of the torsion wheel 310 is symmetrically provided with clamping grooves 312, the inward end of the drawing wire 320 is provided with a clamping pin 313 clamped with the clamping grooves 312, and one end of the clamping pin 313 penetrates through the other side of the top of the torsion wheel 310 to prevent the clamping pin 313 from slipping.

When the arm rehabilitation device capable of exercising the holding force is used, the fixed seat 100 is placed on the top surface of a bed rod or a chair handle, the fixed frame 113 is turned downwards, the rotary block 114 is rotated, the adjusting clamp plate 111 clamps the bottom surface of the rod, at the moment, a patient can grasp the movable handle 411 to drive the movable column 410 to move axially, the drawstring 420 can be pulled to extend, the reel 431 and the tension shaft 441 are driven to rotate synchronously, the inner ring of the coil spring 445 is wound to store force, so that the arm of the patient can be trained in the strength of the axial holding force, and if the patient grasps the movable handle 411 to drive the movable column 410 to rotate left and right along with the wrist, the pull wire 320 is driven to stretch the pull rib 330 by touching the torque wheel 310 to rotate, so that the arm of the patient can be trained in the strength of the radial holding force.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a can temper arm rehabilitation device who grips power, rotates fixed part (110) of connecting including fixing base (100) and both ends, fixed part (110) are including splint (111), splint (111) one end middle part threaded connection's threaded rod (112) and be used for driving splint (111) and overturn from top to bottom and inject splint (111) along fixed frame (113) of threaded rod (112) axial motion, its characterized in that: the movable plates (200) are symmetrically and slidably connected to two ends of the top surface of the fixed seat (100), a fixed barrel (210) is arranged at the top of the movable plate (200), a traction device (400) is arranged between the inside of the fixed barrel (210) and the movable plate (200), the traction device (400) comprises a movable column (410) penetrating through the middle of the fixed barrel (210), a pull belt (420) fastened with the inner end of the movable column (410) and a winding device (430) used for winding the pull belt (420), tension adjusting groups (440) used for controlling the tensile force of the pull belt (420) are arranged at two ends of the winding device (430), an avoiding groove (212) is formed in the upper middle part of the fixed barrel (210), and a positioning ring (412) penetrating through the movable column (410) is sleeved outside the middle part of the fixed barrel (210);

the winding device (430) comprises a reel (431) for winding the pull belt (420) and a positioning barrel (432) for supporting two ends of the reel (431), a square hole (4311) penetrates through the central shaft of the reel (431), an inserting strip (433) is arranged in the top of the outward end of the positioning barrel (432), the inserting strip (433) and the positioning barrel (432) have the same axial direction, and an annular groove (202) is formed in the inner side of the bottom of the movable plate (200);

the tension adjusting group (440) comprises a tension shaft (441) used for adjusting the rotating force of the reel (431), an adjusting shaft (442) used for driving the tension shaft (441) to rotate, a coil spring (443) tightly sleeved with the tension shaft (441), and a push plate (444) and a pressure spring (445) used for keeping the tension shaft (441) and the reel (431) to move coaxially, wherein a counter bore (201) which is concentric with the annular groove (202) is formed in the inner side surface of the movable plate (200), the counter bore (201) penetrates through the movable plate (200) and expands towards the outer end of the movable plate, and the tension shaft (441) and the adjusting shaft (442) are respectively inserted into the inner port and the outer port of the counter bore (201);

a twisting device (300) used for controlling the rotating force of the movable column (410) is arranged inside the fixed cylinder (210), the twisting device (300) comprises a twisting wheel (310) spliced with the movable column (410), drawing wires (320) hung on two sides of the top of the twisting wheel (310), a drawing rib (330) bonded at the outer end of the drawing wire (320), and a fixed wheel shaft (340) used for clamping the twisting wheel (310), and a multi-edge hole (311) is formed in the central shaft of the twisting wheel (310);

one end of the fixed wheel shaft (340) is provided with a wheel clamping block (341), the other end of the fixed wheel shaft (340) is provided with a positioning plate (342) clamped with the end port of the fixed cylinder (210), and the top of the end surface of the positioning plate (342) is provided with an arc-shaped movable groove (343).

2. The exercise grip arm rehabilitation device according to claim 1, wherein: the both ends face symmetry of fixing base (100) is equipped with bulge loop (101) of being connected through the pin rotation with fixed frame (113) one end, arc counter bore (102), two have been seted up to the bottom surface both ends department of fixing base (100) arc counter bore (102) are concentric, the bottom surface middle part threaded connection of fly leaf (200) has the bolt that passes arc counter bore (102).

3. The exercise grip arm rehabilitation device according to claim 2, wherein: a square column (4411) inserted with the square hole (4311) is arranged on the central shaft at the inner end of the tension shaft (441), a sleeve (4431) sleeved with the inserting strip (433) is arranged at the outer end of the coil spring (443), and a convex column (4421) inserted with the inner hole of the tension shaft (441) is arranged at one end of the adjusting shaft (442).

4. The exercise grip arm rehabilitation device according to claim 3, wherein: the outward end of the movable column (410) is fixedly connected with a movable handle (411) through a bolt, and the outer side of the movable plate (200) is fixedly connected with a clamping block (120) through a bolt.

5. The exercise grip arm rehabilitation device according to claim 4, wherein: the outer end department of lacing wire (330) and from inside to outside in proper order the cover be equipped with movable sleeve (331) and draw set (332), movable sleeve (331) cup joint and slidable with lacing wire (330), draw set (332) and movable sleeve (331) threaded connection.

6. The exercise grip arm rehabilitation device according to claim 5, wherein: clamping grooves (312) are symmetrically formed in the top of the torsion wheel (310), and clamping pins (313) clamped with the clamping grooves (312) are arranged at the inward end of the drawing wire (320).

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