Leg joint exercise device

Abstract

The utility model discloses a leg joint exercise device, relates to rehabilitation equipment technical field, including bottom plate, the top one side of bottom plate is slidingly equipped with the seat, the top other side of bottom plate is symmetrically equipped with the slide bar, the two slide bar is provided with the exercise mechanism together, and the exercise mechanism is equipped with the seat and the slide bar. The exercise mechanism comprises two supports which are symmetrically installed outside the sliding rod in a sliding mode, first exercise plates are rotationally installed at the two ends of one support, second exercise plates are rotationally installed at the two ends of the other support, and the upper ends of the two second exercise plates are rotationally connected with the upper ends of the two first exercise plates correspondingly. The equipment can be switched into an active exercise mode or a passive exercise mode according to the knee joint state of a patient, and the equipment can be used for passive exercise for some patients with serious knee joint injury, so that the exercise process becomes easier, and the rehabilitation of the patient is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of rehabilitation equipment technology, and in particular to a leg joint exercise device. Background Technology

[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 prone to injury. When a leg joint is sprained or fractured, rehabilitation exercises are crucial. To improve rehabilitation outcomes, specialized joint exercise devices are often used. These devices are typically equipped with elastic pedals, allowing patients to perform active exercises by repeatedly pressing on them. However, for some patients with severe knee injuries who cannot exert sufficient force, this active exercise method can become extremely difficult, thus affecting their rehabilitation progress. Utility Model Content

[0003] In view of the shortcomings of the prior art, the present invention provides a leg joint exercise device, which solves the technical problems mentioned in the background art.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a leg joint exercise device, including a base plate, a seat slidably mounted on one side of the top of the base plate, and sliding rods symmetrically mounted on the other side of the top of the base plate. An exercise mechanism is provided on both sliding rods. The exercise mechanism includes two supports symmetrically slidably mounted on the outside of the sliding rods. One support has an exercise plate rotatably mounted on both ends, and the other support has an exercise plate rotatably mounted on both ends. The upper ends of the two exercise plates rotatably connect to the upper ends of the two exercise plates rotatably. A driving member is provided on the base plate to drive the two supports to slide in opposite directions. A cavity is also provided on the top of the base plate, and a blocking member is provided inside the cavity.

[0005] Furthermore, the driving component includes a motor installed inside the base plate. The output end of the motor is fixedly connected to a turntable through the base plate. A connecting rod is symmetrically mounted on the outer edge of the turntable. A connecting piece is fixedly connected to one side of each of the two supports. A plug rod is movably connected inside the connecting rod and the connecting piece. A rod cap is threaded to the upper end of the plug rod.

[0006] Furthermore, springs are fitted at both ends of the slide rod, and a support plate is provided on the base plate to support the slide rod. The two ends of the springs are fixedly connected to the side of the support and the side of the support plate, respectively.

[0007] Furthermore, the blocking component includes a baffle plate slidably installed in the cavity, a spring one installed between the bottom of the baffle plate and the inner bottom wall of the cavity, grooves are provided on both sides of the inner wall of the cavity, a baffle strip is slidably connected inside the groove, a spring two is installed between the end of the baffle strip and the inner wall of the groove, and a lever is installed on the top of the baffle strip.

[0008] Furthermore, the seat includes a seat cushion slidably mounted on the top of the base plate, a backrest is rotatably mounted on one end of the seat cushion, and an adjustment bolt for adjusting the angle of the backrest is provided on one side of the seat cushion.

[0009] Furthermore, the base plate has a sliding groove for the seat cushion to slide in, a lead screw is rotatably installed inside the sliding groove, the bottom of the seat cushion is threaded onto the outside of the lead screw, and a motor is installed at the end of the base plate that acts on the lead screw.

[0010] By employing the above technical solution, this utility model provides a leg joint exercise device, which has at least the following beneficial effects:

[0011] 1. By setting up an exercise mechanism, this utility model can switch the device to active exercise mode or passive exercise mode according to the patient's knee joint condition. For some patients with severe knee joint injuries, the device can be used for passive exercise, making the exercise process easier and helping the patient's rehabilitation.

[0012] 2. By setting an adjustable seat, this utility model can make the equipment suitable for patients of different heights and leg lengths, thereby enhancing the comfort of patients during exercise. Attached Figure Description

[0013] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0014] Figure 1 This is one of the overall structural schematic diagrams of this utility model;

[0015] Figure 2 This is the second schematic diagram of the overall structure of this utility model;

[0016] Figure 3 This is a cross-sectional view of the present invention;

[0017] Figure 4 For this Figure 3 The enlarged view at point A is shown below;

[0018] Figure 5 This is a schematic diagram of the exercise mechanism structure of this utility model;

[0019] Figure 6This is a schematic diagram of the drive component structure of this utility model.

[0020] In the diagram: 1. Base plate; 2. Seat; 21. Seat cushion; 22. Backrest; 23. Adjusting bolt; 3. Slide rod; 4. Exercise mechanism; 41. Support; 42. Exercise board one; 43. Exercise board two; 44. Drive component; 441. Motor one; 442. Turntable; 443. Connecting rod; 444. Connecting piece; 445. Insert rod; 446. Rod cap; 5. Cavity; 6. Blocking component; 61. Baffle plate; 62. Spring one; 63. Groove; 64. Stop bar; 65. Spring two; 66. Lever; 7. Spring three; 8. Support plate; 9. Slide groove; 10. Lead screw; 11. Motor two. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Existing leg joint exercise devices are generally equipped with elastic pedals, which patients use to actively exercise by repeatedly pressing them. However, for some patients with severe knee injuries who cannot exert enough force, this active exercise method may become extremely difficult, thus affecting their rehabilitation progress.

[0023] To address the deficiencies observed during the use of the aforementioned exercise device, please refer to [link / reference needed]. Figures 1-6This utility model provides a leg joint exercise device that can switch between active and passive exercise modes according to the patient's knee joint condition. For patients with severe knee injuries, the device can be used for passive exercise, making the exercise process easier. The exercise device uses a base plate 1 as its foundation. A seat 2 is slidably mounted on one side of the top of the base plate 1, and sliding rods 3 are symmetrically mounted on the other side of the top of the base plate 1. An exercise mechanism 4 is mounted on both sliding rods 3. The patient lies on the seat 2 and can exercise through the exercise mechanism 4. The exercise mechanism 4 is configured as two supports 41 symmetrically slidably mounted on the outside of the sliding rods 3. One support 41 has exercise plates 42 rotatably mounted at both ends, and the other support 41 has exercise plates 43 rotatably mounted at both ends. The upper ends of the two exercise plates 43 are rotatably connected to the upper ends of the two exercise plates 42. A driving component 44 is provided on the base plate 1 to drive the two supports 41 to slide in opposite directions. A cavity 5 is also provided on the top of the base plate 1, and a blocking component is installed inside the cavity 5. 6. During passive exercise, the patient's thighs rest on exercise board 1 (42) and their lower legs rest on exercise board 2 (43). The knee joint is located at the connection between exercise board 1 (42) and exercise board 2 (43). The drive component (44) can pull the two supports (41) closer together or further apart, thereby causing exercise board 1 (42) and exercise board 2 (43) to rotate. When exercise board 1 (42) and exercise board 2 (43) rotate downwards, they can lift the patient's knee joint, causing the patient's thighs and lower legs to contract. Conversely, when exercise board 1 (42) and exercise board 2 (43) rotate upwards, they can allow the patient's knee joint to fall naturally, causing the patient's thighs and lower legs to extend. This process can be repeated to exercise the patient's knee joint. Moreover, the patient does not need to actively apply external force during the exercise, which reduces the difficulty of the exercise and is suitable for some patients with severe knee injuries.

[0024] To achieve the function of the driving component 44 on the two supports 41, a motor 441 is installed inside the base plate 1. The output end of the motor 441 passes through the base plate 1 and is fixedly connected to a turntable 442. A connecting rod 443 is symmetrically mounted on the outer edge of the turntable 442. A connecting piece 444 is fixedly connected to one side of each of the two supports 41. A plug rod 445 is movably connected inside the connecting rod 443 and the connecting piece 444. A rod cap 446 is threaded to the upper end of the plug rod 445. The driving motor 441 can drive the turntable 442 to rotate. The rotation of the turntable 442 pushes or pulls the supports 41 to slide through the connecting rod 443, so as to bring the two supports 41 closer together or separate, thereby achieving the exercise effect.

[0025] For some patients with mild knee injuries who need to exert their own force to achieve the desired exercise effect, the above passive exercise mode is not very effective. To solve this technical problem, springs 7 are fitted at both ends of the slide rod 3, and a support plate 8 is provided on the base plate 1 to support the slide rod 3. The two ends of the springs 7 are fixedly connected to the side of the support 41 and the side of the support plate 8, respectively. By rotating the rod cap 446, the insert rod 445 is removed from the connecting rod 443 and the connecting piece 444, so that the support 41 and the driving component 44 are separated. The patient then steps on the exercise plate 42 and presses the exercise plate 42 to make it rotate, which drives the support 41 to slide. At this time, the springs 7 deform, and the patient can perform active exercise through the reaction force of the springs 7.

[0026] When a patient actively exercises, pressing on the exercise board 42 may cause both supports 41 to slide on the slide bar 3, resulting in instability of the exercise mechanism 4 and affecting the exercise. To solve this technical problem, a baffle 61 is slidably installed in the cavity 5. A spring 62 is installed between the bottom of the baffle 61 and the inner bottom wall of the cavity 5. Grooves 63 are provided on both sides of the inner wall of the cavity 5. A stop bar 64 is slidably connected inside the groove 63. A spring 65 is installed between the end of the stop bar 64 and the inner wall of the groove 63. A lever 66 is installed on the top of the stop bar 64. (Refer to...) Figure 4 As shown, the stop bar 64 is pressed against the stop plate 61 by the elastic force of the second spring 65. At this time, the first spring 62 deforms, which does not affect the sliding of the support 41 in the passive exercise mode. In the active exercise mode, pulling the lever 66 causes the stop bar 64 to move away from the upper surface of the stop plate 61. The stop plate 61 can slide upward by the elastic force of the first spring 62. The stop plate 61 blocks the side of one of the supports 41 to prevent the support 41 from sliding. When the patient steps on the exercise plate 42, only one of the supports 41 will slide, which enhances the overall stability of the exercise mechanism 4 and ensures the training effect.

[0027] To make the device suitable for patients of different heights and leg lengths, a seat cushion 21 is slidably mounted on the top of the base plate 1. A backrest 22 is rotatably mounted on one end of the seat cushion 21, and an adjusting bolt 23 is provided on one side of the seat cushion 21 to adjust the angle of the backrest 22. By adjusting the angle of the backrest 22, the patient can easily adjust to a more comfortable posture. In addition, a sliding groove 9 is provided on the base plate 1 for the seat cushion 21 to slide. A lead screw 10 is rotatably mounted inside the sliding groove 9, and the bottom of the seat cushion 21 is threaded onto the outside of the lead screw 10. A second motor 11 is installed at the end of the base plate 1, which drives the lead screw 10 to rotate. The rotation of the lead screw 10 causes the seat cushion 21 to slide along the sliding groove 9, which can adjust the distance between the seat cushion 21 and the exercise mechanism 4, thereby enhancing the patient's comfort.

[0028] The control method of this utility model is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail.

[0029] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A leg joint exercise device, comprising a base plate (1), characterized in that: A seat (2) is slidably installed on one side of the top of the base plate (1), and a slide rod (3) is symmetrically installed on the other side of the top of the base plate (1). An exercise mechanism (4) is provided on both slide rods (3). The exercise mechanism (4) includes two supports (41) symmetrically slidably installed on the outside of the slide rods (3). One of the supports (41) has an exercise plate (42) rotatably installed on both ends, and the other support (41) has an exercise plate (43) rotatably installed on both ends. The upper ends of the two exercise plates (43) are rotatably connected to the upper ends of the two exercise plates (42). A drive member (44) is provided on the base plate (1) to drive the two supports (41) to slide in opposite directions. A cavity (5) is also provided on the top of the base plate (1). A blocking member (6) is provided inside the cavity (5).

2. The leg joint exercise device according to claim 1, characterized in that: The driving component (44) includes a motor (441) installed inside the base plate (1). The output end of the motor (441) is fixedly connected to a turntable (442) through the base plate (1). A connecting rod (443) is symmetrically mounted on the outer edge of the turntable (442). A connecting piece (444) is fixedly connected to one side of each of the two supports (41). A plug rod (445) is movably connected inside the connecting rod (443) and the connecting piece (444). A rod cap (446) is threaded to the upper end of the plug rod (445).

3. The leg joint exercise device according to claim 1, characterized in that: Both ends of the slide rod (3) are fitted with spring three (7), and the base plate (1) is provided with a support plate (8) for supporting the slide rod (3). The two ends of the spring three (7) are fixedly connected to the side of the support (41) and the side of the support plate (8) respectively.

4. The leg joint exercise device according to claim 1, characterized in that: The blocking member (6) includes a baffle (61) slidably installed in the cavity (5). A spring (62) is installed between the bottom of the baffle (61) and the inner bottom wall of the cavity (5). Grooves (63) are provided on both sides of the inner wall of the cavity (5). A baffle (64) is slidably connected inside the groove (63). A spring (65) is installed between the end of the baffle (64) and the inner wall of the groove (63). A lever (66) is installed on the top of the baffle (64).

5. The leg joint exercise device according to claim 1, characterized in that: The seat (2) includes a cushion (21) slidably mounted on the top of the base plate (1), a backrest (22) is rotatably mounted on one end of the cushion (21), and an adjusting bolt (23) is provided on one side of the cushion (21) for adjusting the angle of the backrest (22).

6. The leg joint exercise device according to claim 5, characterized in that: The base plate (1) has a sliding groove (9) for the seat cushion (21) to slide. A lead screw (10) is rotatably installed inside the sliding groove (9). The bottom of the seat cushion (21) is threaded onto the outside of the lead screw (10). A motor (11) that acts on the lead screw (10) is installed at the end of the base plate (1).

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