CN217510773U

CN217510773U - Ankle joint rehabilitation training device

Info

Publication number: CN217510773U
Application number: CN202220346874.2U
Authority: CN
Inventors: 王路; 郑喜灿; 潘文文; 张玉苗
Original assignee: 988th Hospital of the Joint Logistics Support Force of PLA
Current assignee: 988th Hospital of the Joint Logistics Support Force of PLA
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-09-30
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses an ankle joint rehabilitation training device, the power distribution box comprises a box body, the box internal rotation is provided with the reversing shaft subassembly, the reversing shaft subassembly includes center pin and two sliding connection the axle that slides at the center pin both ends, the center pin can transmit the moment of torsion with sliding between the axle, the axle that slides keeps away from the tip of center pin and rotates with the box lateral wall to be connected, the seat that revolves has been cup jointed in the epaxial rotation of sliding, the fixed footboard that is provided with on the seat that revolves. The utility model discloses a set up reverse shaft subassembly and drive assembly, when drive assembly drives the axle that slides and removes and make first bevel gear and second bevel gear meshing, the reverse shaft subassembly just links with the pivot, can drive the interior external rotation training of sufficient cover rotation in order to carry out the ankle joint, and when drive assembly drives the axle that slides and removes and make circular dental lamina and dental annulus meshing, first bevel gear and second bevel gear disconnection, the reverse shaft subassembly just with revolve the seat linkage, can drive the footboard rotation in order to carry out the training of dorsiflexion of ankle joint.

Description

Ankle joint rehabilitation training device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to ankle joint rehabilitation training device.

Background

The ankle joint is the important joint that human low limbs connect the foot, and ankle joint damage is a common joint damage, and after this kind of state of an illness takes place, needs in time to carry out effectual rehabilitation or training usually to avoid the sequelae to produce, current ankle joint rehabilitation training ware has basically can satisfy daily user demand, still has some weak points and needs the improvement.

Patent document CN212592974U proposes an ankle rehabilitation training device, comprising: a support; the shank guard plate is connected with the bracket; the pedal piece is rotatably connected with the bracket through a first rotating shaft; the crankshaft assembly is rotatably connected with the pedal piece at one end and is rotatably connected with a sliding block at the other end; and the driving assembly is arranged on the bracket and is used for driving the sliding block to do reciprocating motion, so that the crankshaft assembly can drive the pedal to do circular motion around the first rotating shaft. The utility model discloses an ankle joint rehabilitation training device simple structure need not complicated control procedure alright realize patient's ankle joint's the training of lasting activity, effectively reduction in production cost.

Ankle joint's rehabilitation training mode has the multiple usually, wherein can include ankle joint's internal rotation, the outward turning training, dorsiflexion training etc, the ankle joint rehabilitation training function that present training ware realized is too single, make different training modes often need go on different training wares, and simultaneously, partly training ware still needs patient or doctor manual operation, make a whole set of rehabilitation training process comparatively loaded down with trivial details, consequently need an ankle joint rehabilitation training ware to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ankle joint rehabilitation training device to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides an ankle joint rehabilitation training ware, includes the box, the box internal rotation is provided with the reversing shaft subassembly, the reversing shaft subassembly includes center pin and two sliding connection's the axle that slides at the center pin both ends, but transmit the moment of torsion between center pin and the axle that slides, the axle that slides keeps away from the tip and the box lateral wall of center pin rotate to be connected, it has cup jointed soon the seat to slide epaxial rotation, it is provided with the footboard to revolve the fixed on the seat, it is provided with the pivot to run through the rotation on the footboard, the fixed sufficient cover that is provided with in pivot upper end, and the first bevel gear of the coaxial fixedly connected with of lower extreme, the epaxial coaxial fixedly connected with second bevel gear that slides, it is provided with circular dental lamina still fixedly on the axle to slide, be provided with on the seat soon with circular dental lamina assorted dental ring, be provided with the drive assembly who is used for driving axle axial displacement that slides on the footboard, first bevel gear and circular dental lamina and dental ring meshing are respectively along with the meshing of the axle that slides The movement occurs independently.

Preferably, the tip of center pin is provided with the keyway, be provided with the feather key in the keyway, slip axle one end be equipped with center pin assorted cylinder groove, cylinder inslot wall be equipped with feather key assorted spout.

Preferably, the drive assembly comprises a rotating part which is arranged on the pedal in a rotating mode through a support, the two opposite sides of the rotating part are coaxially and fixedly connected with an internal thread sleeve, a screw rod is connected in the internal thread sleeve in a threaded mode, the screw rod penetrates through a connecting plate fixedly connected with sleeve of the pedal in a sliding mode, and the sleeve is rotatably sleeved on the sliding shaft and does not axially move relative to the sliding shaft.

Preferably, a motor base is fixedly arranged in the box body, a transmission gear is arranged on the motor base in a rotating mode, a driven gear is connected to the transmission gear in a meshed mode, and the driven gear is coaxially and fixedly connected with the central shaft.

Preferably, fixed mounting has the motor on the motor cabinet, the coaxial fixedly connected with drive gear of motor output, drive gear is connected with the drive gear meshing.

Preferably, the central shaft is provided with connecting seats fixedly connected with the bottom of the pedal in a rotating manner on two opposite sides of the driven gear.

Preferably, a locking bolt penetrates through one side of the box body, and a jack matched with the locking bolt is arranged on the pedal.

Preferably, the bottom of the foot sleeve is fixedly provided with a sliding part, the pedal is provided with an arc-shaped groove matched with the sliding part, and two opposite sides of the sliding part are respectively connected with two ends of the arc-shaped groove through springs.

In the technical scheme, the beneficial effects of the utility model are that:

this ankle joint rehabilitation training ware is through setting up reverse shaft subassembly and drive assembly, when drive assembly drives the axle that slides and removes and make first bevel gear and second bevel gear meshing, circular dental lamina and the disconnection of dental ring, at this moment, the reverse shaft subassembly just links with the pivot, can drive the rotatory interior external rotation training in order to carry out the ankle joint of podotheca, and when drive assembly drives the axle that slides and removes and make circular dental lamina and dental ring meshing, first bevel gear and second bevel gear disconnection, at this moment, the reverse shaft subassembly just links with revolving seat, can drive the rotatory dorsiflexion training in order to carry out the ankle joint of footboard, two kinds of training modes are integrated integrative, and the automation goes on, the practicality of device has been improved.

Drawings

Fig. 1 is a schematic view of an overall structure provided by an embodiment of the present invention;

fig. 2 is a schematic view of an overall internal structure provided in an embodiment of the present invention;

fig. 3 is a schematic front sectional view according to an embodiment of the present invention;

fig. 4 is a schematic side view of a cross-sectional structure provided by an embodiment of the present invention;

fig. 5 is a schematic top view of a cross-sectional structure according to an embodiment of the present invention;

fig. 6 is an enlarged schematic structural diagram of a point a in fig. 2 according to an embodiment of the present invention;

fig. 7 is an enlarged schematic structural diagram of a point B in fig. 3 according to an embodiment of the present invention.

Description of reference numerals:

1. a box body; 2. a central shaft; 3. a slip axis; 4. rotating the base; 5. a pedal; 6. a rotating shaft; 7. a foot cover; 8. a first bevel gear; 9. a second bevel gear; 10. a circular dental plate; 11. a dental ring; 12. a keyway; 13. a sliding key; 14. a cylindrical groove; 15. a chute; 16. a support; 17. a rotating member; 18. an internal thread sleeve; 19. a screw; 20. a connecting plate; 21. a sleeve; 22. a motor base; 23. a transmission gear; 24. a driven gear; 25. a motor; 26. a drive gear; 27. a controller; 28. a touch display screen; 29. a connecting seat; 30. locking the bolt; 31. a jack; 32. a sliding member; 33. an arc-shaped slot; 34. a spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure.

Referring to fig. 1-7, an ankle joint rehabilitation trainer provided by the embodiment of the present invention comprises a box body 1, a reversing shaft assembly rotatably disposed in the box body 1, the reversing shaft assembly comprises a central shaft 2 and two sliding shafts 3 slidably connected to two ends of the central shaft 2, torque can be transmitted between the central shaft 2 and the sliding shafts 3, an end portion of the sliding shaft 3 away from the central shaft 2 is rotatably connected to a sidewall of the box body 1, a rotating base 4 is rotatably sleeved on the sliding shaft 3, a pedal 5 is fixedly disposed on the rotating base 4, a rotating shaft 6 is rotatably disposed on the pedal 5, a foot sleeve 7 is fixedly disposed on an upper end of the rotating shaft 6, a first bevel gear 8 is coaxially and fixedly connected to a lower end of the sliding shaft 3, a second bevel gear 9 is coaxially and fixedly connected to the sliding shaft 3, a circular dental plate 10 is further fixedly disposed on the sliding shaft 3, a dental ring 11 matched with the circular dental plate 10 is disposed on the rotating base 4, a driving assembly for driving the sliding shaft 3 to axially move is disposed on the pedal 5, the meshing of the first bevel gear 8 and the second bevel gear 9 and the meshing of the circular tooth plate 10 and the tooth ring 11 respectively occur independently along with the movement of the sliding shaft 3.

Specifically, the box body 1 is used for loading transmission components of all parts of the trainer, and plays a role in protecting and beautifying the appearance; the central shaft 2 is used as a power element and can transmit torque to the slippage shaft 3 so as to drive the slippage shaft 3 to rotate; the side wall of the box body 1 is provided with a cylindrical through hole matched with the sliding shaft 3, and the sliding shaft 3 cannot be separated from the cylindrical through hole when axially and relatively moving with the central shaft 2, so that the end part of the sliding shaft 3 inserted into the cylindrical through hole is always supported and rotationally connected with the box body 1; the rotary seats 4 at least comprise two rotary seats and are arranged on two opposite sides of the bottom of the pedal 5; the pedal 5 is of a rectangular plate-shaped structure, is suspended in the box body 1 under the supporting action of the sliding shaft 3 and the rotating seat 4, and can rotate around the sliding shaft 3 along with the rotating seat 4; the foot sleeve 7 is used for fixing the foot of a user and is provided with a plurality of elastic binding bands; the relative position between the first bevel gear 8 and the spindle of the sliding shaft 3 is fixed, so that the second bevel gear 9 can be always meshed with the first bevel gear 8 along with the axial movement of the sliding shaft 3 when the first bevel gear 8 rotates around the sliding shaft 3 along with the pedal 5; the direction of the tooth point orientation of circular dental lamina 10 keeping away from center pin 2, simultaneously, second bevel gear 9 sets up in the one side that center pin 2 was kept away from to first bevel gear 8, realizes from this that, when slippage axle 3 drove first bevel gear 8 and circular dental lamina 10 and is axial displacement, can independently mesh with second bevel gear 9 respectively or mesh with ring gear 11. In practical use, the trainer needs to be placed on the ground, a user sits at a proper position away from the trainer through a chair, then fixes two feet in the foot sleeve 7 for use, when a training mode needs to be adjusted, the user can wait for the slippage shaft 3 and the central shaft 2 to move axially relative to each other by virtue of the driving component, then the slippage shaft 3 drives the first bevel gear 8 to be close to the second bevel gear 9, so that the circular dental plate 10 is far away from the dental ring 11, or the slippage shaft 3 drives the first bevel gear 8 to be far away from the second bevel gear 9, so that the circular dental plate 10 is close to the dental ring 11, then, when the first bevel gear 8 is meshed with the second bevel gear 9 and the circular dental plate 10 is separated from the dental ring 11, the central shaft 2 drives the slippage shaft 3 to rotate, and the slippage shaft 3 can drive the rotating shaft 6 and the foot sleeve 7 to rotate, so as to perform internal and external rotation training of the ankle joint; when the first bevel gear 8 and the second bevel gear 9 are separated and the circular dental plate 10 is engaged with the dental ring 11, the central shaft 2 drives the sliding shaft 3 to rotate, and the sliding shaft 3 can drive the rotary base 4 and the pedal 5 to rotate, so as to perform dorsiflexion training of the ankle joint.

Compared with the prior art, the embodiment of the utility model provides an ankle joint rehabilitation training device is through setting up reverse shaft subassembly and drive assembly, when drive assembly drives slip axle 3 and removes and make first bevel gear 8 and second bevel gear 9 meshing, circular dental lamina 10 and the disconnection of dental ring 11, at this moment, the reverse shaft subassembly just links with pivot 6, can drive the interior external rotation training of podotheca 7 rotation in order to carry out the ankle joint, and when drive assembly drives slip axle 3 and removes and make circular dental lamina 10 and dental ring 11 meshing, first bevel gear 8 and the disconnection of second bevel gear 9, at this moment, the reverse shaft subassembly just links with roating seat 4, can drive the footboard 5 rotation in order to carry out the dorsiflexion training of ankle joint, two kinds of training mode are integrated integrative, and the automation goes on, the practicality of device has been improved.

As a preferred technical scheme of this embodiment, a key groove 12 is provided at an end of the central shaft 2, a sliding key 13 is provided in the key groove 12, a cylindrical groove 14 matched with the central shaft 2 is provided at one end of the sliding shaft 3, a sliding groove 15 matched with the sliding key 13 is provided on an inner wall of the cylindrical groove 14, specifically, the sliding key 13 and the sliding groove 15 are provided, so that the central shaft 2 can continue to transmit torque to the sliding shaft 3 to drive the sliding shaft 3 to rotate while the central shaft 2 and the sliding shaft 3 can move axially relative to each other.

As a preferred technical solution of this embodiment, the driving assembly includes a rotating member 17 rotatably disposed on the pedal 5 through a support 16, two opposite sides of the rotating member 17 are coaxially and fixedly connected with an internal thread sleeve 18, the internal thread sleeve 18 is connected with a screw rod 19 in an internal thread manner, the screw rod 19 is fixedly connected with a sleeve 21 through a connecting plate 20 slidably penetrating through the pedal 5, the sleeve 21 is rotatably sleeved on the sliding shaft 3 and does not axially move relative to the sliding shaft 3, and specifically, the support 16 limits the position of the rotating member 17 while supporting the rotating member 17; when the rotating piece 17 drives the internal thread sleeves 18 on the two sides to rotate, the internal thread sleeves 18 and the screw rods 19 generate a thread feeding effect, and the screw rods 19 on the two sides reversely move in opposite directions under the action of threads; the slipping shaft 3 is provided with shaft shoulders positioned at two opposite sides of the sleeve 21, so that the sleeve 21 only rotates on the slipping shaft 3 and does not axially move relative to the slipping shaft 3, and the sleeve and the slipping shaft 3 can synchronously move axially.

The utility model provides a another embodiment, the box 1 internal fixation is provided with motor cabinet 22, rotates on the motor cabinet 22 and is provided with drive gear 23, and the meshing is connected with driven gear 24 on the drive gear 23, and driven gear 24 and the coaxial fixed connection of center pin 2, it is specific, drive gear 23 is fixed a position on motor cabinet 22 through coaxial fixed connection's axostylus axostyle structure for to driven gear 24 transmission moment of torsion.

As a preferred technical solution of this embodiment, a motor 25 is fixedly installed on the motor base 22, an output end of the motor 25 is coaxially and fixedly connected with a driving gear 26, the driving gear 26 is meshed with the transmission gear 23, specifically, the motor 25 is electrically connected with a controller 27 fixedly installed on the box body 1, the controller 27 can control the output end of the motor 25 to perform periodic forward and reverse rotation, and the rotation angle range is between plus and minus 45 degrees, so as to further implement fixed angle training, and the controller 27 can also control the number of periodic forward and reverse rotation times of the output end of the motor 25, so as to implement fixed training; the controller 27 is provided with a touch display screen 28 extending to the outer surface of the box body 1, which is used for interacting with a user, performing training record and conveniently and intuitively knowing the training intensity.

As a further preferable technical solution of this embodiment, the central shaft 2 is provided with connecting seats 29 on opposite sides of the driven gear 24 for being rotatably connected with the bottom of the pedal 5, specifically, the connecting seats 29 connect and support the central shaft 2, and at the same time, limit the position of the driven gear 24, so that the driven gear 24 keeps being meshed with the transmission gear 23.

In another embodiment of the present invention, a locking bolt 30 is provided through one side of the box 1, and a jack 31 matching with the locking bolt 30 is provided on the pedal 5, specifically, the locking bolt 30 includes at least one insert and a drag hook connected to the insert, the locking bolt 30 is inserted into the jack 31 on the pedal 5 after passing through the box 1 to limit the rotation of the pedal 5, so as to stabilize the position of the pedal 5 during the ankle joint internal and external rotation training generated by the rotation of the foot cover 7; when the pedal 5 needs to be rotated for ankle dorsiflexion training, the locking bolt 30 is pulled out of the insertion hole 31, so that the pedal 5 is rotated again.

In another embodiment of the present invention, the bottom of the foot cover 7 is fixedly provided with the sliding member 32, the pedal 5 is provided with an arc-shaped groove 33 matched with the sliding member 32, two opposite sides of the sliding member 32 are respectively connected with two ends of the arc-shaped groove 33 through springs 34, specifically, the springs 34 on two sides of the sliding member 32 have the same specification, so that the sliding member 32 is kept in the middle of the arc-shaped groove 33 under the condition of not being influenced by external force, and then the foot cover 7 is kept fixed relative to the pedal 5, so that when the pedal 5 rotates to perform the ankle dorsiflexion training, the foot cover 7 is not easy to rotate to avoid the interference to the ankle dorsiflexion training; when the ankle joint internal and external rotation training is performed, the foot sleeve 7 is driven to rotate, so that the sliding piece 32 moves in the arc-shaped groove 33 and presses or stretches the spring 34, and the spring 34 elastically deforms so as not to hinder the ankle joint internal and external rotation training.

The working principle is as follows: when the trainer is used for respectively performing two types of ankle joint training, the trainer needs to be placed on the ground, then a user sits at a proper position away from the trainer through a chair, two feet are fixed in the foot sleeves 7, then the rotating piece 17 is rotated, the rotating piece 17 drives the internal thread sleeve 18 to rotate and has a thread feeding effect with the screw rod 19, the screw rod 19 drives the sleeve 21 to move through the connecting plate 20, the sleeve 21 drives the sliding shaft 3 to start to axially move relative to the central shaft 2, then, when the sliding shaft 3 drives the first bevel gear 8 to be close to the second bevel gear 9 and to be mutually meshed, so that the circular dental plate 10 is far away from the dental ring 11, the sliding shaft 3 can independently transmit to the rotating shaft 6, and at the moment, the rotating shaft 6 drives the foot sleeves 7 to rotate to perform the internal and external rotation training of the ankle joints; when the sliding shaft 3 drives the first bevel gear 8 to move away from the second bevel gear 9, and the circular dental plate 10 approaches the dental ring 11 and is engaged with each other, the sliding shaft 3 can independently drive the rotary base 4, and at the moment, the rotary base 4 drives the pedal 5 to rotate to perform dorsiflexion training of the ankle joint.

When switching to the internal and external rotation training of the ankle joint, the locking bolt 30 is required to be inserted into the insertion hole 31 to fix the pedal 5, then the operation is carried out through the touch display screen 28, the controller 27 controls the motor 25 to be started, the output end of the motor 25 rotates forwards and backwards in a fixed cycle, then the output end of the motor 25 drives the transmission gear 23 to rotate, the transmission gear 23 drives the driven gear 24 to rotate, the driven gear 24 drives the central shaft 2 to rotate in a reciprocating manner, the central shaft 2 transmits torque to the sliding shaft 3, and the sliding shaft 3 can drive the foot sleeve 7 to swing in a reciprocating manner through the first bevel gear 8, the second bevel gear 9 and the rotating shaft 6 so as to drive the foot of a user to carry out the internal and external rotation training of the ankle joint; when the dorsiflexion training of the ankle joint is switched, the locking bolt 30 is required to be firstly pulled out of the jack 31, the pedal 5 is enabled to restore to rotate, then the sliding shaft 3 drives the rotary seat 4 to rotate in a reciprocating manner according to the transmission process, the rotary seat 4 drives the pedal 5 to pitch in a reciprocating manner, and the pedal 5 drives the foot sleeve 7 on the pedal to pitch in a reciprocating manner so as to drive the foot of the user to carry out dorsiflexion training of the ankle joint.

Claims

1. The utility model provides an ankle joint rehabilitation training device, includes box (1), its characterized in that: the box body (1) is internally and rotatably provided with a reversing shaft assembly, the reversing shaft assembly comprises a central shaft (2) and two slippage shafts (3) which are slidably connected with the two ends of the central shaft (2), torque can be transmitted between the central shaft (2) and the slippage shafts (3), the end part, far away from the central shaft (2), of each slippage shaft (3) is rotatably connected with the side wall of the box body (1), the slippage shaft (3) is rotatably sleeved with a rotary seat (4), a pedal (5) is fixedly arranged on the rotary seat (4), a rotating shaft (6) is rotatably arranged on the pedal (5) in a penetrating way, the upper end of the rotating shaft (6) is fixedly provided with a foot sleeve (7), the lower end of the rotating shaft is coaxially and fixedly connected with a first bevel gear (8), the slippage shaft (3) is coaxially and fixedly connected with a second bevel gear (9), and the slippage shaft (3) is also fixedly provided with a circular tooth plate (10), the rotary seat (4) is provided with a toothed ring (11) matched with the circular toothed plate (10), the pedal (5) is provided with a driving component for driving the sliding shaft (3) to move axially, and the first bevel gear (8) is meshed with the second bevel gear (9) and the circular toothed plate (10) is meshed with the toothed ring (11) and independently occurs along with the movement of the sliding shaft (3) respectively.

2. The ankle joint rehabilitation training device according to claim 1, wherein a key groove (12) is formed in the end portion of the central shaft (2), a sliding key (13) is arranged in the key groove (12), a cylindrical groove (14) matched with the central shaft (2) is formed in one end of the sliding shaft (3), and a sliding groove (15) matched with the sliding key (13) is formed in the inner wall of the cylindrical groove (14).

3. The ankle joint rehabilitation training device according to claim 1, wherein the driving assembly comprises a rotating part (17) rotatably arranged on the pedal (5) through a support (16), two opposite sides of the rotating part (17) are coaxially and fixedly connected with an internal thread sleeve (18), a screw rod (19) is connected in the internal thread sleeve (18), the screw rod (19) is fixedly connected with a sleeve (21) through a connecting plate (20) which penetrates through the pedal (5) in a sliding manner, and the sleeve (21) is rotatably sleeved on the sliding shaft (3) and does not axially move relative to the sliding shaft (3).

4. The ankle joint rehabilitation training device according to claim 1, wherein a motor base (22) is fixedly arranged in the box body (1), a transmission gear (23) is rotatably arranged on the motor base (22), a driven gear (24) is meshed and connected to the transmission gear (23), and the driven gear (24) is coaxially and fixedly connected with the central shaft (2).

5. The ankle joint rehabilitation training aid according to claim 4, wherein a motor (25) is fixedly mounted on the motor base (22), a driving gear (26) is coaxially and fixedly connected to an output end of the motor (25), and the driving gear (26) is meshed with the transmission gear (23).

6. The ankle joint rehabilitation training device according to claim 5, wherein the central shaft (2) is rotatably provided with a connecting seat (29) fixedly connected with the bottom of the pedal (5) on both opposite sides of the driven gear (24).

7. The ankle joint rehabilitation training device according to claim 1, wherein a locking bolt (30) penetrates through one side of the box body (1), and a jack (31) matched with the locking bolt (30) is arranged on the pedal (5).

8. The ankle joint rehabilitation training device according to claim 1, wherein a sliding member (32) is fixedly arranged at the bottom of the foot sleeve (7), an arc-shaped groove (33) matched with the sliding member (32) is arranged on the pedal (5), and two opposite sides of the sliding member (32) are respectively connected with two ends of the arc-shaped groove (33) through springs (34).