Knee joint movement rehabilitation training device

Abstract

The utility model discloses a knee joint movement rehabilitation training device, and particularly relates to the technical field of knee joint movement training, which comprises a bottom plate, a backrest fixed on one side of the top of the bottom plate, a rear support plate fixed on one side of the bottom of the bottom plate, a front support plate fixed on the other side of the bottom of the bottom plate, and two connecting plates fixed between the front support plate and the rear support plate, and two sliding rods are arranged between the two connecting plates. The motor drives the lead screw to rotate, the lead screw drives the connecting rod to move, the connecting rod drives the two sliding rods to move, the sliding rods drive the rectangular blocks to slide in the rectangular grooves, the sliding rods can drive the sliding blocks to slide in the sliding grooves, and meanwhile the rotating plate can drive the rotating blocks to rotate. The legs of the patient can rotate along with the rotating plate, so that the function of performing activity training on the knee joints of the patient is realized, and meanwhile, the strength of the activity training of the knee joints can be adjusted by adjusting the rotating speed and the rotating time of the motor.

Description

Technical Field

[0001] The utility model relates to the field of knee joint activity training, in particular to a knee joint activity rehabilitation training device. Background Art

[0002] The knee joint, composed of the medial and lateral condyles of the femur, the medial and lateral condyles of the tibia, and the patella, is the largest and most complex joint in the human body, and is also more likely to be injured. It is not easy for patients to recover after a knee injury, and knee joint activity auxiliary training is needed in the early stages of recovery.

[0003] However, most of the knee joint activity rehabilitation training devices currently on the market are difficult to adjust the intensity of knee joint activity training according to the patient's condition, and medical staff help to move the patient's knee joint to achieve the purpose of treatment training, which increases the burden on medical staff. Utility Model Content

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a knee joint activity rehabilitation training device, comprising:

[0005] A bottom plate, a backrest is fixed to one side of the top of the bottom plate, a rear support plate is fixed to one side of the bottom of the bottom plate, a front support plate is fixed to the other side of the bottom of the bottom plate, two connecting plates are fixed between the front support plate and the rear support plate, two sliding rods are arranged between the two connecting plates, one end of the two sliding rods facing the front support plate passes through the front support plate, a moving mechanism for driving the sliding rods to slide is arranged between the two connecting plates, and a motor for driving the moving mechanism is installed on one side of the rear support plate;

[0006] There are two rotating plates, and rotating blocks are fixed on the tops of the two rotating plates. The tops of the two rotating blocks are rotatably connected to one side of the bottom plate through rotating shafts. Sliding mechanisms are provided between the two rotating plates and the two sliding rods.

[0007] Preferably, the moving mechanism includes a connecting rod provided between two connecting plates, both ends of the connecting rod are respectively fixed to two sliding rods, a screw rod is provided between the two connecting plates, one end of the screw rod passes through the connecting rod and is rotatably connected to the front support plate through a rotating shaft, the output end of the motor passes through the rear support plate and is fixedly connected to the other end of the screw rod, the screw rod is threadedly connected to the connecting rod, and sliding parts are provided between the two sliding rods and the two connecting plates.

[0008] Preferably, the sliding portion comprises a rectangular groove provided on a side of the connecting plate facing the sliding rod, a rectangular block is provided inside the rectangular groove, the rectangular block can slide in the rectangular groove, and the rectangular block is fixedly connected to the sliding rod.

[0009] Preferably, the sliding mechanism comprises sliding grooves formed on one side of two rotating plates facing the front supporting plate, wherein sliding blocks are provided in the sliding grooves and the sliding blocks can slide in the sliding grooves, and the sliding rod is rotationally connected to the sliding block via a rotating shaft.

[0010] Preferably, arc-shaped cushions are fixed on one side of the two rotating plates opposite to the front supporting plate.

[0011] Preferably, binding straps are fixed on both sides of the two rotating plates.

[0012] Preferably, a seat cushion is fixed on the top of the base plate.

[0013] Preferably, anti-slip pads are provided at the bottom of the front support plate and the bottom of the rear support plate.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] The motor drives the screw rod to rotate, the screw rod drives the connecting rod to move, the connecting rod drives the two sliding rods to move, the sliding rod drives the rectangular block to slide in the rectangular groove, the sliding rod drives the sliding block to slide in the sliding groove, and the rotating plate drives the rotating block to rotate, and the patient's legs will also rotate with the rotating plate, thereby realizing the function of performing activity training on the patient's knee joint. At the same time, the intensity of the knee joint activity training can be adjusted by adjusting the motor speed and rotation time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a side structural schematic diagram of the utility model;

[0019] Figure 3 It is a partial structural sectional view of the utility model.

[0020] Description of reference numerals:

[0021] 1. Bottom plate; 2. Connecting plate; 3. Rear support plate; 4. Arc cushion; 5. Rotating block; 6. Seat cushion; 7. Backrest; 8. Motor; 9. Front support plate; 10. Rotating plate; 11. Strap; 12. Sliding block; 13. Sliding slot; 14. Sliding rod; 15. Screw; 16. Rectangular slot; 17. Rectangular block; 18. Connecting rod. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0023] Reference Figure 1 -As shown in the figure, a knee joint activity rehabilitation training device comprises:

[0024] A bottom plate 1, a backrest 7 is fixed to one side of the top of the bottom plate 1, a rear support plate 3 is fixed to one side of the bottom of the bottom plate 1, a front support plate 9 is fixed to the other side of the bottom of the bottom plate 1, two connecting plates 2 are fixed between the front support plate 9 and the rear support plate 3, two sliding rods 14 are arranged between the two connecting plates 2, and the ends of the two sliding rods 14 facing the front support plate 9 both penetrate the front support plate 9, a moving mechanism for driving the sliding rods 14 to slide is arranged between the two connecting plates 2, and a motor 8 for driving the moving mechanism is installed on one side of the rear support plate 3;

[0025] There are two rotating plates 10 , and rotating blocks 5 are fixed on the top of the two rotating plates 10 . The tops of the two rotating blocks 5 are rotatably connected to one side of the bottom plate 1 through rotating shafts. Sliding mechanisms are provided between the two rotating plates 10 and the two sliding rods 14 .

[0026] Furthermore, the moving mechanism includes a connecting rod 18 provided between the two connecting plates 2, and the two ends of the connecting rod 18 are respectively fixed to the two sliding rods 14, and a screw rod 15 is provided between the two connecting plates 2. One end of the screw rod 15 passes through the connecting rod 18 and is rotatably connected to the front support plate 9 through a rotating shaft. The output end of the motor 8 passes through the rear support plate 3 and is fixedly connected to the other end of the screw rod 15. The screw rod 15 is threadedly connected to the connecting rod 18. A sliding part is provided between the two sliding rods 14 and the two connecting plates 2. The motor 8 drives the screw rod 15 to rotate, the screw rod 15 drives the connecting rod 18 to move, and the connecting rod 18 drives the two sliding rods 14 to move.

[0027] Furthermore, the sliding part includes a rectangular groove 16 formed on the side of the connecting plate 2 facing the sliding rod 14, a rectangular block 17 is provided inside the rectangular groove 16, the rectangular block 17 can slide in the rectangular groove 16, the rectangular block 17 is fixedly connected to the sliding rod 14, and the sliding rod 14 drives the rectangular block 17 to slide in the rectangular groove 16, so that the sliding rod 14 can move horizontally.

[0028] Furthermore, the sliding mechanism includes two sliding grooves 13 formed on one side of the two rotating plates 10 facing the front support plate 9. A sliding block 12 is provided in the sliding groove 13. The sliding block 12 can slide in the sliding groove 13. The sliding rod 14 is rotatably connected to the sliding block 12 through a rotating shaft. The sliding rod 14 will drive the sliding block 12 to slide in the sliding groove 13, and the rotating plate 10 will drive the rotating block 5 to rotate.

[0029] Furthermore, arc-shaped cushions 4 are fixed on one side of the two rotating plates 10 relative to the front support plate 9 to ensure the comfort of the patient's legs.

[0030] Furthermore, straps 11 are fixed to both sides of the two rotating plates 10 to facilitate fixing the patient's legs.

[0031] Furthermore, a seat cushion 6 is fixed on the top of the base plate 1 to improve the comfort of the patient.

[0032] Furthermore, anti-skid pads are provided at the bottom of the front support plate 9 and the rear support plate 3 to improve the stability of the device.

[0033] Through the above technical solution:

[0034] When in use, the patient sits on the base plate 1, places both legs on the two rotating plates 10 respectively, uses the straps 11 to fix the patient's legs, turns on the motor 8, the motor 8 drives the screw rod 15 to rotate, the screw rod 15 drives the connecting rod 18 to move, the connecting rod 18 drives the two sliding rods 14 to move, the sliding rod 14 drives the rectangular block 17 to slide in the rectangular groove 16, the sliding rod 14 will drive the sliding block 12 to slide in the sliding groove 13, and at the same time the rotating plate 10 will drive the rotating block 5 to rotate, and the patient's legs will also rotate with the rotating plate 10, thereby realizing the function of performing activity training on the patient's knee joint, and at the same time the intensity of the knee joint activity training can be adjusted by adjusting the speed and rotation time of the motor 8.

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A knee joint activity rehabilitation training device, characterized in that: include: A bottom plate (1), a backrest (7) is fixed on one side of the top of the bottom plate (1), a rear support plate (3) is fixed on one side of the bottom of the bottom plate (1), a front support plate (9) is fixed on the other side of the bottom of the bottom plate (1), two connecting plates (2) are fixed between the front support plate (9) and the rear support plate (3), two sliding rods (14) are arranged between the two connecting plates (2), the ends of the two sliding rods (14) facing the front support plate (9) both penetrate the front support plate (9), a moving mechanism for driving the sliding rods (14) to slide is arranged between the two connecting plates (2), and a motor (8) for driving the moving mechanism is installed on one side of the rear support plate (3); Two rotating plates (10), each of the rotating plates (10) having a rotating block (5) fixed on its top, each of the rotating blocks (5) being rotatably connected to one side of the bottom plate (1) via a rotating shaft, and a sliding mechanism being provided between the two rotating plates (10) and the two sliding rods (14).

2. A knee joint activity rehabilitation training device according to claim 1, characterized in that: The moving mechanism comprises a connecting rod (18) provided between two connecting plates (2), the two ends of the connecting rod (18) being fixed to two sliding rods (14) respectively, a screw rod (15) being provided between the two connecting plates (2), one end of the screw rod (15) passing through the connecting rod (18) and being rotatably connected to the front support plate (9) via a rotating shaft, the output end of the motor (8) passing through the rear support plate (3) and being fixedly connected to the other end of the screw rod (15), the screw rod (15) being threadedly connected to the connecting rod (18), and sliding parts being provided between the two sliding rods (14) and the two connecting plates (2).

3. A knee joint activity rehabilitation training device according to claim 2, characterized in that: The sliding part comprises a rectangular groove (16) provided on the side of the connecting plate (2) facing the sliding rod (14), a rectangular block (17) is provided inside the rectangular groove (16), the rectangular block (17) can slide in the rectangular groove (16), and the rectangular block (17) is fixedly connected to the sliding rod (14).

4. A knee joint activity rehabilitation training device according to claim 1, characterized in that: The sliding mechanism comprises a sliding groove (13) provided on one side of two rotating plates (10) facing the front supporting plate (9), a sliding block (12) is arranged in the sliding groove (13), and the sliding block (12) can slide in the sliding groove (13), and the sliding rod (14) is rotatably connected to the sliding block (12) via a rotating shaft.

5. A knee joint activity rehabilitation training device according to claim 1, characterized in that: An arc-shaped soft cushion (4) is fixed on one side of the two rotating plates (10) opposite to the front supporting plate (9).

6. A knee joint activity rehabilitation training device according to claim 1, characterized in that: Binding straps (11) are fixed on both sides of the two rotating plates (10).

7. A knee joint activity rehabilitation training device according to claim 1, characterized in that: A seat cushion (6) is fixed on the top of the base plate (1).

8. The knee joint activity rehabilitation training device according to claim 1, characterized in that: Anti-slip pads are provided at the bottom of the front support plate (9) and the rear support plate (3).

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