Auxiliary rehabilitation training device for knee joint motor injury
By designing a rollable support assembly and a knee joint motion injury assisted rehabilitation training device that drives calf swing, the problem that the existing technology cannot provide protection and portability in daily environments is solved, and effective support for the knee joint is achieved and Recover training.
Patent Information
- Application Number
- CN202411330782.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2024-12-27
AI Technical Summary
The existing knee joint sports injury rehabilitation training devices cannot protect and assist in rehabilitation of patients' legs in daily environments, and most of the training devices are limited to use during training and cannot be portable and stored when not worn.
A knee joint motion injury assisted rehabilitation training device is designed including a fixed disc, a movable disc, a support assembly and a drive motor. The support assembly can be retracted for easy portability and storage; during training, the calf is driven to swing by a drive motor to assist the knee. Joint movement.
Provides support for the knee in daily environments, reduces knee pressure, and provides limitations in unconscious leg flexing movements, improving knee recovery efficiency and portability.
Smart Images

Figure CN119184934A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of rehabilitation training equipment, and relates to a knee joint movement rehabilitation training device, in particular to an auxiliary rehabilitation training device for knee joint movement injuries. Background Art
[0002] The knee joint, also called the pulley joint, is the most complex joint in the human body and the joint that is most prone to injury. After a knee joint injury, systematic rehabilitation training is required to help the patient recover quickly. During rehabilitation training, since the patient's knee joint is injured and movement is inconvenient, the patient needs the help of medical staff to conduct rehabilitation training, help the patient adjust the training posture, and provide support for the patient's training. Although existing knee joint sports injury rehabilitation training devices can assist in training the patient's legs, most of the existing knee joint sports injury rehabilitation training devices are only used during training and cannot protect and assist in rehabilitation of the patient's legs in daily environments. Summary of the invention
[0003] The purpose of the present invention is to address the above-mentioned problems existing in the prior art and to propose an auxiliary rehabilitation training device for knee sports injuries. The technical problem to be solved by the invention is: how to realize the function of the support component being able to be rolled up, so that when it is not needed to be worn, the support component of the present invention can be rolled up for easy carrying and storage, and during training, it can be connected to the components on the drive motor for rehabilitation training.
[0004] The purpose of the present invention can be achieved by the following technical solutions:
[0005] A knee joint sports injury auxiliary rehabilitation training device comprises a fixed plate, a movable plate rotatably connected to the fixed plate, support components are provided on the fixed plate and the movable plate, Velcro straps for binding the legs are provided on the two support components, a driving block is coaxially fixed on the movable plate, a training component is connected to the movable plate, the training component comprises a base, a driving arm slidably connected to the base, a driving seat slidably connected to the driving arm, a driving motor is fixed on the driving seat, a driving cylinder is coaxially fixed to the output shaft of the driving motor, and the driving cylinder is sleeved with the driving block.
[0006] The working principle of the present invention is: the support component arranged on the fixed plate and the movable plate can realize the support ability for the patient's legs, thereby reducing the pressure on the patient's knee joints, and in the rehabilitation process without training, the leg activities are restricted to reduce the patient's unconscious leg bending movements. When rehabilitation training is required, the drive block can be connected to the drive cylinder so that the drive motor can drive the patient's calf to swing, thereby assisting the patient in performing simple movements of the knee joints and realizing the ability of auxiliary rehabilitation training.
[0007] The supporting assembly includes a plurality of movable plates and a connecting assembly arranged between the plurality of movable plates. The connecting assembly includes a pair of pressure slide grooves provided in each movable plate, pressure seats are slidably connected in the two pressure slide grooves, a pressure spring is fixed between each pressure seat and the bottom of the corresponding pressure slide groove, a movable rod is rotatably connected to each pressure seat, and one end of each movable rod is rotatably connected to other adjacent movable plates.
[0008] By adopting the above structure, multiple movable plates can be rotatably connected to each other through connecting components, so that the movable plates can be rolled up as a whole without being driven by other components, thereby improving portability and usage scenarios.
[0009] The plurality of movable plates form two movable sections, one end of the two movable sections are respectively fixedly connected to the corresponding fixed disk and movable disk, and the other ends of the two movable sections are fixedly connected to the Velcro strap, and a storage pocket is sewn on the Velcro strap.
[0010] With the above structure, the support assembly can be connected to the patient's legs through the Velcro straps, and storage pockets can be sewn on the Velcro straps to improve practicality and store some small components of the present invention.
[0011] An electrode patch is placed in the storage pocket.
[0012] With the above structure, the patient's leg muscles can be massaged through the electrode patch to improve the recovery efficiency of the knee joint.
[0013] A pair of winches are rotatably connected in the fixed plate and the movable plate, and a traction rope is fixedly connected to each pair of winches. One end of the traction rope passes through the corresponding movable segment and is fixedly connected to the outermost movable plate of the movable segment, and a buckle block is fixed on each movable plate, and a buckle groove is provided on each movable plate, and the buckle blocks between adjacent movable plates are plugged into and matched with the buckle grooves.
[0014] With the above structure, the winch can be rotated to reel in the traction rope, thereby reducing the distance between the movable plates, allowing the buckle block and the buckle slot to complete the plug-in work, and limiting its movable section to a straight strip structure that can provide support capacity.
[0015] A worm wheel is coaxially fixed on each pair of the capstans, and a worm is rotatably connected in the fixed plate and the movable plate, and the worm is meshed with the corresponding worm wheel, and a regulating wheel is arranged on the fixed plate and the movable plate, and the two regulating wheels are coaxially fixedly connected with the corresponding worm.
[0016] With the above structure, the worm wheel can be driven to rotate by the regulating wheel, and the rotation of the worm wheel will drive the capstan to rotate, thereby realizing the regulation of the winding and traction rope process and the change of the support and storage state of the support component.
[0017] A connecting frame is fixed on the driving motor, the connecting frame and the fixing plate are fixed by bolts, and a special-shaped block is fixed in the driving cylinder, a special-shaped groove is opened on the driving block, and the special-shaped block is plugged and matched with the special-shaped groove.
[0018] By adopting the above structure, the fixed plate can be fixedly connected through the connecting frame, so that the supporting assembly on the fixed plate remains stationary, and through the plug-in cooperation between the special-shaped block and the special-shaped groove, the driving motor drives the driving cylinder to rotate. After the driving cylinder rotates, it will drive the special-shaped block to rotate, so as to drive the driving block to rotate, and further realize the rotation of the movable plate. The supporting assembly on the movable plate is tied to the patient's calf, thereby driving the patient's calf to perform auxiliary movements.
[0019] The fixed plate is provided with a limiting screw hole, the movable plate is provided with a fixing screw hole aligned with the limiting screw hole, a fixing bolt is threadedly connected in the limiting screw hole, and one end of the fixing bolt is threadedly connected to the fixing screw hole.
[0020] By adopting the above structure, the fixing bolt can be threadedly connected with the limiting screw hole until one end of the fixing bolt is threadedly connected with the fixing screw hole, thereby achieving fixation between the fixed plate and the movable plate. In this way, when the patient falls asleep or does not need daily training, the legs are supported, the pressure on the knee joint is reduced, and leg movement is restricted to prevent unconscious leg movement from causing further damage to the knee joint.
[0021] A driving screw 1 is rotatably connected in the base, a servo motor 1 is fixed in the base, an output shaft of the servo motor 1 is coaxially fixedly connected with the driving screw 1, and the driving screw 1 is threadedly connected with the bottom end of the driving arm.
[0022] With the above structure, the servo motor can drive the driving screw to rotate, and the driving screw will drive the driving arm to move laterally after rotating, so as to realize the connection between the driving arm and the driving block, thereby improving the fluency during training.
[0023] A second driving screw is rotatably connected in the driving arm, a second servo motor is rotatably connected in the driving arm, an output shaft of the second servo motor is coaxially fixedly connected with the second driving screw, and the second driving screw is threadedly connected with the driving seat.
[0024] With the above structure, the second driving screw can be driven to rotate by the second servo motor. After the second driving screw rotates, it will drive the driving seat to move vertically, so as to adjust to a suitable height for docking with the driving block.
[0025] Compared with the prior art, the knee joint sports injury auxiliary rehabilitation training device has the following advantages:
[0026] 1. In the state of daily support, the main structure of the present invention is two support components for binding the patient's upper and lower legs, so that the weight is reduced and it is convenient for the patient to wear and use. The support components can be rolled up, so that when they are not needed, the support components of the present invention can be rolled up for easy carrying and storage.
[0027] 2. The present invention can limit the support assembly to a fixed support state during rehabilitation training, and then fix the fixed plate with a connecting frame to keep the support assembly on the fixed plate stationary. The drive motor drives the drive cylinder to rotate through the plug-in cooperation between the special-shaped block and the special-shaped groove. After the drive cylinder rotates, it drives the special-shaped block to rotate, which drives the drive block to rotate, and further realizes the rotation of the movable plate. The support assembly on the movable plate is bound to the patient's calf, thereby driving the patient's calf to perform auxiliary movements. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 It is a structural schematic diagram of the present invention in a daily leggings state.
[0029] Figure 2 It is a schematic diagram of the structure of the present invention in a state of preparation for rehabilitation training.
[0030] Figure 3 It is a schematic diagram of the structure of the internal control components of the training component in the present invention.
[0031] Figure 4 It is a structural schematic diagram of the connection component in the present invention.
[0032] Figure 5 It is a schematic structural diagram of the connection between the driving cylinder and the driving block in the present invention.
[0033] Figure 6 It is a schematic diagram of the structure inside the movable plate of the present invention.
[0034] In the figure, 1. fixed plate; 2. movable plate; 3. Velcro strap; 4. drive block; 5. base; 6. drive arm; 7. drive seat; 8. drive motor; 9. drive cylinder; 10. movable plate; 11. pressure slide; 12. pressure seat; 13. pressure spring; 14. movable rod; 15. servo motor 2; 16. storage pocket; 17. electrode patch; 18. capstan; 19. traction rope; 20. buckle block; 21. buckle slot; 22. worm gear; 23. worm; 24. regulating wheel; 25. connecting frame; 26. special-shaped block; 27. special-shaped slot; 28. limiting screw hole; 29. fixing screw hole; 30. fixing bolt; 31. drive screw 1; 32. servo motor 1; 33. drive screw 2. DETAILED DESCRIPTION
[0035] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0036] like Figure 1-Figure 6 As shown, an auxiliary rehabilitation training device for knee sports injuries includes a fixed plate 1, a movable plate 2 rotatably connected to the fixed plate 1, support components are provided on the fixed plate 1 and the movable plate 2, and Velcro straps 3 for binding the legs are provided on the two support components, and a driving block 4 is coaxially fixed on the movable plate 2, and a training component is connected to the movable plate 2, the training component includes a base 5, a driving arm 6 slidably connected to the base 5, and a driving seat 7 slidably connected to the driving arm 6, a driving motor 8 is fixed on the driving seat 7, a driving cylinder 9 is coaxially fixed to the output shaft of the driving motor 8, and the driving cylinder 9 is sleeved on the driving block 4.
[0037] The support assembly provided on the fixed plate 1 and the movable plate 2 can realize the support capability for the patient's legs, thereby reducing the pressure on the patient's knee joints. In addition, during the rehabilitation process without training, the leg movements can be restricted to reduce the patient's unconscious leg bending movements. When rehabilitation training is required, the drive block 4 can be connected to the drive cylinder 9 so that the drive motor 8 can drive the patient's calf to swing, thereby assisting the patient in performing simple movements of the knee joints and realizing the ability of auxiliary rehabilitation training.
[0038] The supporting assembly includes a plurality of movable plates 10 and a connecting assembly arranged between the plurality of movable plates 10. The connecting assembly includes a pair of pressure grooves 11 opened in each movable plate 10. Pressure seats 12 are slidably connected in the two pressure grooves 11. A pressure spring 13 is fixed between each pressure seat 12 and the bottom of the corresponding pressure groove 11. A movable rod 14 is rotatably connected to each pressure seat 12, and one end of each movable rod 14 is rotatably connected to other adjacent movable plates 10.
[0039] With the above structure, multiple movable panels 10 can be rotatably connected to each other through connecting components, so that the movable panels 10 can be rolled up as a whole without being driven by other components, thereby improving portability and usage scenarios.
[0040] A plurality of movable plates 10 form two movable sections, one end of the two movable sections are fixedly connected to the corresponding fixed plate 1 and movable plate 2 respectively, and the other ends of the two movable sections are fixedly connected to the Velcro strap 3, and a storage pocket 16 is sewn on the Velcro strap 3.
[0041] With the above structure, the support assembly can be connected to the patient's legs through the wooden comb straps, and a storage pocket 16 is sewn on the Velcro straps 3 to improve practicality and store some small components of the present invention.
[0042] An electrode patch 17 is placed in the storage pocket 16 .
[0043] With the above structure, the electrode patch 17 can be used to massage the patient's leg muscles, thereby improving the recovery efficiency of the knee joint.
[0044] A pair of winches 18 are rotatably connected inside the fixed plate 1 and the movable plate 2, and a traction rope 19 is fixedly connected to each pair of winches 18. One end of the traction rope 19 passes through the corresponding movable segment and is fixedly connected to the outermost movable plate 10 of the movable segment, and a buckle block 20 is fixed on each movable plate 10. A buckle groove 21 is opened on each movable plate 10, and the buckle blocks 20 between adjacent movable plates 10 are plugged into and matched with the buckle grooves 21.
[0045] With the above structure, the winch 18 can be rotated to reel in the traction rope 19, thereby reducing the distance between the movable plates 10, so that the buckle block 20 and the buckle slot 21 can complete the plug-in work, and limit the movable section to a straight strip structure that can provide support capacity.
[0046] A worm gear 22 is coaxially fixed on each pair of capstans 18, and a worm 23 is rotatably connected inside the fixed plate 1 and the movable plate 2, and the worm 23 is meshed with the corresponding worm gear 22, and a regulating wheel 24 is provided on the fixed plate 1 and the movable plate 2, and the two regulating wheels 24 are coaxially fixedly connected with the corresponding worm 23.
[0047] With the above structure, the worm wheel 22 can be driven to rotate by the regulating wheel 24. When the worm wheel 22 rotates, it will drive the capstan 18 to rotate, thereby realizing the regulation of the process of winding up the traction rope 19 and realizing the change of the support and storage state of the support component.
[0048] A connecting frame 25 is fixed on the driving motor 8, and the connecting frame 25 is fixed to the fixed plate 1 by bolts. A special-shaped block 26 is fixed in the driving cylinder 9, and a special-shaped groove 27 is opened on the driving block 4, and the special-shaped block 26 is plugged into the special-shaped groove 27.
[0049] By adopting the above structure, the fixed plate 1 can be fixedly connected through the connecting frame 25, so that the supporting assembly on the fixed plate 1 remains stationary, and the driving motor 8 drives the driving cylinder 9 to rotate through the plug-in cooperation between the special-shaped block 26 and the special-shaped groove 27. After the driving cylinder 9 rotates, it will drive the special-shaped block 26 to rotate, so as to drive the driving block 4 to rotate, and further realize the rotation of the movable plate 2. The supporting assembly on the movable plate 2 is tied to the patient's calf, thereby driving the patient's calf to perform auxiliary movements.
[0050] The fixed plate 1 is provided with a limit screw hole 28 , the movable plate 2 is provided with a fix screw hole 29 aligned with the limit screw hole 28 , a fix bolt 30 is threadedly connected to the limit screw hole 28 , and one end of the fix bolt 30 is threadedly connected to the fix screw hole 29 .
[0051] By adopting the above structure, the fixing bolt 30 can be threadedly connected with the limiting screw hole 28 until one end of the fixing bolt 30 is threadedly connected with the fixing screw hole 29, so as to achieve fixation between the fixed plate 1 and the movable plate 2. In this way, when the patient falls asleep or does not need to train on a daily basis, the legs are supported, the pressure on the knee joint is reduced, and the leg movement is restricted to prevent unconscious leg movement from causing further damage to the knee joint.
[0052] A driving screw 31 is rotatably connected in the base 5, a servo motor 32 is fixed in the base 5, an output shaft of the servo motor 32 is coaxially fixedly connected to the driving screw 31, and the driving screw 31 is threadedly connected to the bottom end of the driving arm 6.
[0053] With the above structure, the servo motor 32 can drive the driving screw 31 to rotate, and the driving screw 31 will drive the driving arm 6 to move laterally after rotating, so as to realize the connection between the driving arm 6 and the driving block 4, thereby improving the fluency during training.
[0054] A second driving screw 33 is rotatably connected inside the driving arm 6 , a second servo motor 15 is rotatably connected inside the driving arm 6 , an output shaft of the second servo motor 15 is coaxially fixedly connected to the second driving screw 33 , and the second driving screw 33 is threadedly connected to the driving seat 7 .
[0055] With the above structure, the servo motor 15 can be used to drive the driving screw 33 to rotate. After the driving screw 33 rotates, it will drive the driving seat 7 to move vertically, so as to adjust to a suitable height for docking with the driving block 4.
[0056] The working principle of the present invention is as follows: the worm wheel 22 is driven to rotate by the regulating wheel 24, and the rotation of the worm wheel 22 will drive the capstan 18 to rotate, and the capstan 18 rotates to reel in the traction rope 19, thereby reducing the distance between the movable plates 10, so that the buckle block 20 and the buckle slot 21 complete the plug-in work, and the multiple movable plates 10 are limited to a straight strip structure that can provide support capacity, and then the support component on the movable plate 2 is tied to the patient's calf through the Velcro strap 3, and then the support component on the fixed plate 1 is tied to the patient's thigh through the Velcro strap 3, so as to achieve the support capacity for the patient's leg, thereby reducing the patient's knee joint. Pressure is provided, and during the rehabilitation process without training, the leg movement is restricted to reduce the patient's unconscious leg bending movement. When rehabilitation training is needed, the fixed plate 1 can be fixedly connected by the connecting frame 25, so that the supporting assembly on the fixed plate 1 remains stationary, and the plug-in cooperation between the special-shaped block 26 and the special-shaped groove 27 enables the driving motor 8 to drive the driving cylinder 9 to rotate. After the driving cylinder 9 rotates, it will drive the special-shaped block 26 to rotate, so as to drive the driving block 4 to rotate, and further realize the rotation of the movable plate 2. The supporting assembly on the movable plate 2 is bound to the patient's calf, thereby driving the patient's calf to perform auxiliary movements.
[0057] In summary, by means of the support components arranged on the fixed plate 1 and the movable plate 2, the support capability for the patient's legs is achieved, thereby reducing the pressure on the patient's knee joints, and in the rehabilitation process without the need for training, the leg movements are restricted to reduce the patient's unconscious leg bending movements. When rehabilitation training is required, the drive block 4 can be connected to the drive cylinder 9 so that the drive motor 8 can drive the patient's calf to swing, thereby assisting the patient in performing simple movements of the knee joints and achieving the ability of assisting rehabilitation training.
[0058] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
Claims
1. A knee joint sports injury auxiliary rehabilitation training device, comprising a fixed plate (1), a movable plate (2) rotatably connected to the fixed plate (1), characterized in that: The fixed disk (1) and the movable disk (2) are both provided with support components, and the two support components are both provided with Velcro straps (3) for binding the legs, and a driving block (4) is coaxially fixed on the movable disk (2), and a training component is connected to the movable disk (2), and the training component comprises a bottom plate, a driving arm (6) slidably connected to the bottom plate, and a driving seat (7) slidably connected to the driving arm (6), a driving motor (8) is fixed on the driving seat (7), and a driving cylinder (9) is coaxially fixed to the output shaft of the driving motor (8), and the driving cylinder (9) is sleeved on the driving block (4).
2. The knee joint sports injury auxiliary rehabilitation training device according to claim 1, characterized in that: The support assembly comprises a plurality of movable plates (10) and a connection assembly arranged between the plurality of movable plates (10), wherein the connection assembly comprises a pair of pressure-bearing slide grooves (11) provided in each movable plate (10), pressure seats (12) being slidably connected in the two pressure-bearing slide grooves (11), a pressure spring (13) being fixed between each pressure-bearing seat (12) and the bottom of the corresponding pressure-bearing slide groove (11), a movable rod (14) being rotatably connected to each pressure-bearing seat (12), and one end of each movable rod (14) being rotatably connected to other adjacent movable plates (10).
3. The knee joint sports injury auxiliary rehabilitation training device according to claim 2, characterized in that: The plurality of movable plates (10) form two movable sections, one end of the two movable sections are fixedly connected to the corresponding fixed disk (1) and movable disk (2), respectively, and the other ends of the two movable sections are fixedly connected to the Velcro strap (3), and a storage pocket (16) is sewn on the Velcro strap (3).
4. The knee joint sports injury auxiliary rehabilitation training device according to claim 3, characterized in that: An electrode patch (17) is placed in the storage pocket (16).
5. The knee joint sports injury auxiliary rehabilitation training device according to claim 3, characterized in that: A pair of winches (18) are rotatably connected in the fixed disk (1) and the movable disk (2), and a traction rope (19) is fixedly connected to each pair of winches (18). One end of the traction rope (19) passes through the corresponding movable section and is fixedly connected to the outermost movable plate (10) of the movable section. A buckle block (20) is fixed to each movable plate (10), and a buckle slot (21) is provided on each movable plate (10). The buckle blocks (20) between adjacent movable plates (10) are plugged into and matched with the buckle slots (21).
6. The knee joint sports injury auxiliary rehabilitation training device according to claim 5, characterized in that: A worm wheel (22) is coaxially fixed on each pair of the capstans (18); a worm (23) is rotatably connected inside the fixed disk (1) and the movable disk (2), and the worm (23) is meshed with the corresponding worm wheel (22); and a regulating wheel (24) is provided on the fixed disk (1) and the movable disk (2), and the two regulating wheels (24) are coaxially fixedly connected with the corresponding worm (23).
7. The knee joint sports injury auxiliary rehabilitation training device according to claim 1, characterized in that: A connecting frame (25) is fixed on the driving motor (8), the connecting frame (25) and the fixed plate (1) are fixed by bolts, and a special-shaped block (26) is fixed in the driving cylinder (9), a special-shaped groove (27) is provided on the driving block (4), and the special-shaped block (26) is plugged into and matched with the special-shaped groove (27).
8. The knee joint sports injury auxiliary rehabilitation training device according to claim 1, characterized in that: The fixed plate (1) is provided with a limit screw hole (28), the movable plate (2) is provided with a fixed screw hole (29) aligned with the limit screw hole (28), a fixed bolt (30) is threadedly connected to the limit screw hole (28), and one end of the fixed bolt (30) is threadedly connected to the fixed screw hole (29).
9. The knee joint sports injury auxiliary rehabilitation training device according to claim 1, characterized in that: A driving screw (31) is rotatably connected in the base plate, a servo motor (32) is fixed in the base plate, an output shaft of the servo motor (32) is coaxially fixedly connected to the driving screw (31), and the driving screw (31) is threadedly connected to the bottom end of the driving arm (6).
10. The knee joint sports injury auxiliary rehabilitation training device according to claim 1, characterized in that: A second driving screw (33) is rotatably connected inside the driving arm (6), a second servo motor (15) is rotatably connected inside the driving arm (6), an output shaft of the second servo motor (15) is coaxially fixedly connected to the second driving screw (33), and the second driving screw (33) is threadedly connected to the driving seat (7).
