Leg rehabilitation device
By designing a guide groove structure for the leg rehabilitation device, the massager can move within arc-shaped and straight grooves, achieving a unified approach to leg massage and swing training. This solves the problem that existing equipment cannot perform massage and swing training simultaneously, reducing the number of devices required and improving training efficiency and comfort.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- THE FIRST AFFILIATED HOSPITAL OF ARMY MEDICAL UNIV
- Filing Date
- 2025-01-13
- Publication Date
- 2026-05-29
Smart Images

Figure CN224292167U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of leg rehabilitation assistive equipment technology, and in particular to a leg rehabilitation device. Background Technology
[0002] In neurology, many patients suffer from leg muscle weakness, making movement difficult. Rehabilitation exercises are crucial for restoring limb function. For example, stroke patients experience an imbalance in the brain's control over the lower limbs, leading to muscle weakness, spasticity, joint stiffness, and limited mobility, making walking difficult. Patients need to sit on the edge of the bed or in a chair with their legs dangling, slowly swinging their legs back and forth alternately. Current rehabilitation training often separates massage and swinging exercises, requiring multiple devices, or using fixed massage bumps on the swinging exercises, which fails to effectively massage the legs. Utility Model Content
[0003] The technical problem to be solved by this utility model is to provide a leg rehabilitation device that can massage and simultaneously perform swing rehabilitation training.
[0004] To address the aforementioned problems, this utility model provides a leg rehabilitation device. The device includes a swing frame for driving leg swinging, a massager for moving along the length of the swing frame to massage the leg, a drive mechanism for driving the massager, and a seat for supporting the patient. The swing frame is rotatably mounted on the seat via a pivot, and the massager is slidably mounted on the swing frame. The seat is provided with a guide groove for guiding the massager's movement. The guide groove has an arc-shaped groove and a straight groove, with the arc-shaped groove communicating with the straight groove. When the massager moves within the arc-shaped groove, it drives the swing frame to swing; when the massager moves within the straight groove, it moves along the length of the swing frame to massage the leg.
[0005] Furthermore, the seat has a support plate, the pivot is disposed on the support plate, and the guide groove is disposed on the support plate.
[0006] Furthermore, the support plate includes a fixed plate and a movable plate. The movable plate is rotatably mounted on the rotating shaft. The movable plate is provided with a pin for locking the relative position of the fixed plate and the movable plate. The fixed plate is provided with a first arc-shaped groove communicating with the outside world. The movable plate is provided with a second arc-shaped groove communicating with the outside world and a straight groove communicating with the second arc-shaped groove. The first arc-shaped groove and the second arc-shaped groove are concentric, and the first arc-shaped groove and the second arc-shaped groove are combined to form an arc-shaped groove.
[0007] Furthermore, the fixed plate is provided with multiple fixing holes, which are evenly distributed around the rotating shaft, and the movable plate is provided with insertion holes, and the pin is inserted into the insertion holes and one of the fixing holes.
[0008] Furthermore, the swing frame includes a footrest for supporting the feet, a legrest for supporting the legs, and a connecting plate connecting the legrest to the pivot. The footrest is mounted on the legrest, and there are two connecting plates. Each connecting plate is provided with a groove for mounting a massager, and the groove moves along the length of the connecting plate.
[0009] Furthermore, the surface of the leg support plate that contacts the leg is an arc-shaped surface.
[0010] Furthermore, the massager includes massage balls for massage and mounting rods for mounting the massage balls. Multiple massage balls are evenly distributed on the mounting rod. Both ends of the mounting rod are inserted into the sliding grooves, and one end of the mounting rod near the swing plate extends into the guide groove. The other end of the mounting rod is rectangular.
[0011] Furthermore, the drive mechanism includes a driver for generating power, a mounting base for connecting the driver to the seat, and a connector for connecting the driver to the massager. The rear end of the driver is mounted on the mounting base via a pivot pin, the mounting base is fixed to the seat, the front end of the driver is fixed to the connector, the connector is connected to the massager, and the connector is rotatable around the massager.
[0012] Furthermore, the seat includes a seat plate for supporting the patient, a backrest for the patient to lean on, and a support plate for supporting the seat plate. The seat plate is fixed to the support plate, the backrest is fixed to the support plate, and the drive mechanism is disposed on the support plate.
[0013] Furthermore, the seat includes a seat board for supporting the patient, a backrest for the patient to lean on, and a support plate for supporting the seat board. The seat board is fixed to the support plate, the backrest is fixed to the support plate, a base plate is provided on the support plate, and the drive mechanism is provided on the base plate.
[0014] This utility model of leg rehabilitation device uses a driver to drive a massager. Under the guidance of the guide groove, the massager first drives the swing frame to swing upward, and then the massager moves along the length of the swing frame to massage the leg. One device realizes rehabilitation training of massage and swing. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of a preferred embodiment of the leg rehabilitation device of this utility model.
[0016] Figure 2 This is a schematic diagram of the internal structure of the leg rehabilitation device of this utility model.
[0017] Figure 3 This is a schematic diagram of the structure after the swing frame swings.
[0018] Figure 4 This is a schematic diagram of the swing frame.
[0019] Figure 5 yes Figure 1 A magnified view of part A in the image.
[0020] Figure 6 This is a structural schematic diagram of another embodiment of the seat.
[0021] Figure 7 This is a structural schematic diagram of another embodiment of the support plate.
[0022] Figure 8 This is a schematic diagram of the structure after the swing amplitude has been adjusted.
[0023] Figure 9 This is a structural diagram of the fixed plate.
[0024] Figure 10 This is a schematic diagram of the movable plate structure.
[0025] The meanings of the labels in the attached diagram are as follows:
[0026] Seat 1, guide groove 10, arc groove 101, first arc groove 1011, second arc groove 1012, straight groove 102, backrest 11, support plate 12, fixing plate 121, fixing hole 1211, movable plate 122, insertion hole 1221, seat plate 13, base plate 14, swing frame 2, connecting plate 21, slide 211, footrest plate 22, leg rest plate 23, massager 3, massage ball 31, mounting rod 32, drive mechanism 4, driver 41, mounting base 42, connector 43, rotating shaft 5, pin 6. Detailed Implementation
[0027] The present invention will be further described below with reference to the accompanying drawings.
[0028] Example 1
[0029] like Figures 1 to 3As shown, a preferred embodiment of the leg rehabilitation device of this utility model includes a seat 1, a swing frame 2, a massager 3, and a drive mechanism 4. The swing frame 2 is used to drive the leg to swing. The swing frame 2 is rotatably mounted on the seat 1, and swings on the seat 1 to drive the leg to swing. The massager 3 is slidably mounted on the swing frame 2. The massager 3 is used to massage the leg muscles. When the massager 3 slides on the swing frame 2, it massages the leg. The seat 1 is provided with a guide groove 10, and the massager 3 is also slidably mounted on the guide groove 10. The guide groove 10 is used to guide the massager 3 to move, that is, the massager 3 moves along the guide groove 10. The drive mechanism 4 is used to drive the massager 3 to move, so that the massager 3 moves along the guide groove 10. One massager 3 corresponds to one drive mechanism 4; of course, in other embodiments, one drive mechanism 4 can also be used to drive two massagers 3 simultaneously. The specific path by which the drive mechanism 4 drives the massager 3 to move along the guide groove 10 is as follows: the massager 3 first swings upward around the connection point between the swing frame 2 and the seat, at which point the swing frame 2 and the massager 3 remain relatively fixed. Then, the massager 3 reciprocates along the swing frame 2, and then the swing frame 2 swings downward under the push of the massager 3, completing one cycle of swing massage. A single drive mechanism 4 allows the patient to simultaneously experience swinging motions and leg massage.
[0030] like Figure 4 As shown, the swing frame 2 is rotatably connected to the seat 1 via a rotating shaft 5, and the swing frame 2 can swing around the axis of the rotating shaft. The swing frame 2 includes a connecting plate 21, a footrest 22, and a leg support 23. There are two connecting plates 21, with the upper ends of both connecting plates 21 mounted on the rotating shaft. Leg support 23 is provided at both the upper and lower ends of each connecting plate 21. The leg support 23 is used to support the patient's legs, and the two leg support 23s effectively support the legs. The footrest 22 is fixed to the leg support 23 and is used to support the patient's feet. A sliding groove 211 is provided on the connecting plate 21, which moves along the length of the connecting plate 21. The massager 3 is slidably disposed within the sliding groove 211, positioned between the two leg support 23s. When the massager 3 slides within the sliding groove 211, it massages the legs. The surface of the leg support 23 that contacts the leg is curved, which increases the contact area between the leg support 23 and the leg, thus allowing the leg support 23 to fit the leg better and be more comfortable.
[0031] The guide groove 10 has an arc-shaped groove 101 and a straight groove 102, with the arc-shaped groove 101 communicating with the straight groove 102. The straight groove 102 can be parallel to the horizontal plane or inclined, depending on the amplitude of the swing required by the patient. When the massager 3 moves within the arc-shaped groove 101, both the massager 3 and the swing frame 2 swing around the pivot axis. When the massager 3 moves within the straight groove 102, the slide 211 is parallel to the straight groove 102, and the swing frame 2 remains stationary. The massager 3 moves along the straight groove 102 and the slide 211, massaging the legs.
[0032] like Figure 4 and Figure 5 As shown, the massager 3 includes massage balls 31 and a mounting rod 32. Multiple massage balls 31 are evenly distributed on the mounting rod 32. Both ends of the mounting rod 32 are inserted into the sliding groove 211, and one end of the mounting rod 32 near the swing plate extends into the guide groove 10, allowing the guide groove 10 to guide the mounting rod 32. The other end of the mounting rod 32 is rectangular to restrict rotation and ensure that the mounting rod 32 always remains in the same position. The mounting rod 32 has an arc-shaped section, and the massage balls 31 are evenly distributed on this arc-shaped section, thus maximizing contact between the massage balls 31 and the legs for a better massage.
[0033] The drive mechanism 4 includes a driver 41, a mounting base 42, and a connector 43. The rear end of the driver 41 is mounted on the mounting base 42 via a pivot pin. The mounting base 42 is fixed to the seat 1. The front end of the driver 41 is fixed to the connector 43, which is connected to the mounting rod 32 of the massager 3. The connector 43 can rotate around the mounting rod 32. Both ends of the driver 41 are movably connected to corresponding components, allowing the driver 41 to adapt to the swinging and moving motion of the massager 3. The mounting base 42 consists of two opposing mounting plates. Pivot pins are welded to both sides of the driver 41, and the two pins are inserted into the mounting plates respectively. The connector 43 is U-shaped to ensure that it does not interfere with the massage balls 31. The driver 41 is a cylinder; however, in other embodiments, other power devices capable of reciprocating linear motion, such as electric cylinders or hydraulic cylinders, can also be used. When there is only one drive mechanism 4, the connector 43 will be connected to the mounting rods 32 of both massagers 3 simultaneously.
[0034] The seat 1 includes a backrest 11, a support plate 12, and a seat 13. The seat 13 is used to support the patient and is fixed to the support plate 12. The support plate 12 supports the seat 13, and the backrest 11 is fixed to the support plate 12. The guide groove 10 is provided on the support plate 12. The support plate 12 is U-shaped to avoid exposing the drive mechanism 4 and the swing frame 2, and to prevent foreign objects from touching the operating swing frame 2 and drive mechanism 4. The support plate 12 can be a one-piece molded plate or formed by fixing three plates together. The mounting base 42 of the drive unit 41 is fixed to the support plate 12. In other embodiments, such as... Figure 6 As shown, a base plate 14 can also be provided at the bottom of the support plate 12 to fix the mounting base 42 onto the base plate 14.
[0035] In use, the patient sits on the seat 1, and then the actuator 41 is activated, driving the massager 3. Guided by the guide groove 10, the massager 3 drives the swing frame 2 to swing upward along the arc groove 101. At this time, the massager 3 and the swing frame 2 are relatively fixed. When the mounting rod 32 of the massager 3 enters the straight groove 102, the actuator 41 continues to drive the massager 3. At this time, the swing frame 2 is relatively fixed to the seat 1 and will not swing. Guided by the straight groove 102, the massager 3 moves downward at an angle within the slide groove 211. During the movement of the massager 3 within the slide groove 211, the massage balls 31 massage the legs. After the massager 3 reaches the lowest point, the actuator 41 reverses the drive, and the massager 3 again moves upward at an angle along the straight groove 102, and then enters the arc groove 101. The massager 3 then drives the swing frame 2 to swing downward, thus completing one swing cycle. The device can massage the legs during the swinging cycle, and only one device is needed to complete the massage and swinging rehabilitation training; moreover, the massager 3 can massage both the upper and lower parts of the legs, with a large massage area. At the same time, one swing frame 2 and massager 3 only require one drive mechanism 4 to complete the drive, reducing the power equipment and lowering the cost.
[0036] Example 2
[0037] The difference between this embodiment and Embodiment 1 is that the structure of the support plate 12 is different.
[0038] like Figures 7 to 10As shown, the support plate 12 includes a fixed plate 121 and a movable plate 122, with the movable plate 122 detachably fixed to the fixed plate 121. The fixed plate 121 has a first arc-shaped groove 1011, and the movable plate 122 has a second arc-shaped groove 1012 and a straight groove 102. The second arc-shaped groove 1012 communicates with the straight groove 102. The first arc-shaped groove 1011 and the second arc-shaped groove 1012 are concentrically arranged, and the first arc-shaped groove 1011 and the second arc-shaped groove 1012 combine to form the arc-shaped groove 101. One end of the first arc-shaped groove 1011 is flush with the edge of the fixed plate 121, meaning it can communicate with the outside. One end of the second arc-shaped groove 1012 is flush with the edge of the movable plate 122, meaning it can communicate with the outside. Thus, the mounting rod 32 of the massager 3 can enter the second arc-shaped groove 1012 from the first arc-shaped groove 1011. The movable plate 122 is rotatably mounted on the rotating shaft 5 and is fixed to the fixed plate 121 by means of pins 6. Specifically, the fixed plate 121 is provided with a plurality of fixing holes 1211, which are evenly distributed around the rotating shaft. The movable plate 122 is provided with insertion holes 1221. After the insertion hole 1221 is aligned with any fixing hole 1211, the pin 6 can be inserted to fix the movable plate 122 to the fixed plate 121. When the pin 6 is inserted into different fixing holes 1211, the tilt angle of the linear groove 102 can be adjusted, thereby changing the swing and floating of the swing frame 2, and different swing amplitudes can be set according to different rehabilitation training stages. When the swing amplitude needs to be adjusted, pull out the pin 6 from the fixing hole 1211 and the insertion hole 1221, then rotate the movable plate 122 to align the insertion hole 1221 with the corresponding fixing hole 1211, and then insert the pin 6. This completes the adjustment. The swing amplitude can be adjusted by pulling, rotating and inserting, which is convenient and quick.
[0039] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structure made using the contents of this utility model specification and drawings, whether directly or indirectly applied to other related technical fields, shall also be within the patent protection scope of this utility model.
Claims
1. A leg rehabilitation device, characterized in that: The device includes a swing frame for moving the legs, a massager for moving along the length of the swing frame to massage the legs, a drive mechanism for driving the massager, and a seat for supporting the patient. The swing frame is rotatably mounted on the seat via a pivot, and the massager is slidably mounted on the swing frame. The seat is provided with a guide groove for guiding the movement of the massager. The guide groove has an arc-shaped groove and a straight groove, and the arc-shaped groove communicates with the straight groove. When the massager moves within the arc-shaped groove, it drives the swing frame to swing. When the massager moves within the straight groove, it moves along the length of the swing frame to massage the legs.
2. The leg rehabilitation device as described in claim 1, characterized in that: The seat has a support plate, the pivot is disposed on the support plate, and the guide groove is disposed on the support plate.
3. The leg rehabilitation device as described in claim 2, characterized in that: The support plate includes a fixed plate and a movable plate. The movable plate is rotatably mounted on the rotating shaft. The movable plate is provided with a pin for locking the relative position of the fixed plate and the movable plate. The fixed plate is provided with a first arc-shaped groove communicating with the outside. The movable plate is provided with a second arc-shaped groove communicating with the outside and a straight groove communicating with the second arc-shaped groove. The first arc-shaped groove and the second arc-shaped groove are concentric, and the first arc-shaped groove and the second arc-shaped groove are combined to form an arc-shaped groove.
4. The leg rehabilitation device as described in claim 3, characterized in that: The fixed plate is provided with multiple fixing holes, which are evenly distributed around the rotating shaft. The movable plate is provided with insertion holes, and the pin is inserted into the insertion holes and one of the fixing holes.
5. The leg rehabilitation device as described in claim 1, characterized in that: The swing frame includes a footrest for supporting the feet, a legrest for supporting the legs, and a connecting plate connecting the legrest to the pivot. The footrest is mounted on the legrest. There are two connecting plates, each of which is provided with a groove for mounting a massager. The groove moves along the length of the connecting plate.
6. The leg rehabilitation device as described in claim 5, characterized in that: The surface of the leg support that contacts the leg is curved.
7. The leg rehabilitation device as described in claim 5, characterized in that: The massager includes massage balls for massage and mounting rods for mounting the massage balls. Multiple massage balls are evenly distributed on the mounting rod. Both ends of the mounting rod are inserted into the sliding grooves, and one end of the mounting rod near the swing plate extends into the guide groove. The other end of the mounting rod is rectangular.
8. The leg rehabilitation device as described in claim 7, characterized in that: The drive mechanism includes a driver for generating power, a mounting base for connecting the driver to the seat, and a connector for connecting the driver to the massager. The rear end of the driver is mounted on the mounting base via a pivot pin. The mounting base is fixed to the seat. The front end of the driver is fixed to the connector. The connector is connected to the massager and is rotatable around the massager.
9. The leg rehabilitation device as described in claim 1, characterized in that: The seat includes a seat board for supporting the patient, a backrest for the patient to lean on, and a support plate for supporting the seat board. The seat board is fixed to the support plate, the backrest is fixed to the support plate, and the drive mechanism is located on the support plate.
10. The leg rehabilitation device as described in claim 1, characterized in that: The seat includes a seat board for supporting the patient, a backrest for the patient to lean on, and a support plate for supporting the seat board. The seat board is fixed to the support plate, the backrest is fixed to the support plate, a base plate is provided on the support plate, and the drive mechanism is provided on the base plate.