Lower limb joint rehabilitation training device

By designing a lower limb joint rehabilitation trainer that is driven by a bent sliding and swinging bracket and an electric push rod, the problem of insufficient structural stability is solved, stability and adaptability are improved, and the rehabilitation training effect is enhanced.

CN223365830UActive Publication Date: 2025-09-23HENAN ZHENGBEI MEDICAL INSTR CO LTD
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Patent Information

Application Number
CN202422357749.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-09-23
Estimated Expiration
2034-09-26

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    Figure CN223365830U_ABST
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Abstract

The utility model discloses a lower limb joint rehabilitation training device which aims at solving the technical problem that an existing lower limb training device is insufficient in structural stability. The device comprises a base, a sliding support, a swinging support and a driving push rod, the sliding support and the swinging support are both bent and arranged on the two sides of the base, the sliding support comprises a front vertical part and a front transverse part, the swinging support comprises a rear vertical part and a rear transverse part, sliding grooves are formed in the two sides of the base, and the driving push rod is arranged in the sliding grooves. The bottom end of the front vertical part is in sliding connection with the sliding groove, the front transverse part is rotatably connected with the rear transverse part, the bottom end of the rear vertical part is rotatably connected with the base, the driving push rod is arranged on the base, the tail end of the driving push rod is rotatably connected with the base, and the front end of the driving push rod is rotatably connected with the rear vertical part. The utility model has the beneficial effects of stable structure and convenience in adjustment.
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Description

Technical Field

[0001] The utility model relates to the technical field of rehabilitation equipment, in particular to a lower limb joint rehabilitation training device. Background Art

[0002] Rehabilitation training for patients through active and passive exercise is currently a hot topic in sports medicine and rehabilitation medicine. The continuous development and maturity of medical robots and mechanical assisted support technology has shaped a new research direction in rehabilitation robotics, and research in this field has significant significance for the development of my country.

[0003] The lower limb joints are important active weight-bearing joints of the human body. In daily life, the lower limb joints are easily injured. After surgery for lower limb joint injuries, the patient's lower limb joints need to undergo rehabilitation training. If the lower limb joints are not properly rehabilitated, it will lead to instability and movement disorders of the lower limb joints, which can easily cause muscle weakness. In severe cases, it can lead to lower limb arthritis and even difficulty walking.

[0004] Therefore, lower limb joint rehabilitation training plays a vital role in the later stage of treatment. During rehabilitation training, if the load force is too small, the efficiency of rehabilitation will be reduced, and if the load force is too large, it will cause secondary damage to the patient's lower limb joints. Therefore, a lower limb trainer that fits the human body and has a stable structure is needed. Utility Model Content

[0005] The utility model provides a lower limb joint rehabilitation trainer to solve the technical problem of insufficient structural stability of existing lower limb trainers.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A lower limb joint rehabilitation trainer is designed, including a base, a sliding bracket, a swing bracket, and a driving push rod. The sliding bracket and the swing bracket are both bent and arranged on both sides of the base. The sliding bracket includes a front vertical part and a front transverse part, and the swing bracket includes a rear vertical part and a rear transverse part. Slide grooves are provided on both sides of the base, the bottom end of the front vertical part is slidably connected to the slide groove, the front transverse part and the rear transverse part are rotatably connected, the bottom end of the rear vertical part is rotatably connected to the base, the driving push rod is arranged on the base, and the end of the driving push rod is rotatably connected to the base, and the front end of the driving push rod is rotatably connected to the rear vertical part.

[0008] Furthermore, a calf support plate is provided on the front transverse portion of the sliding bracket, the calf support plate is connected to the front transverse portion via a calf connecting plate, and a calf strap is provided on the calf support plate.

[0009] Furthermore, the calf connecting plate or the calf connecting plate is provided with a calf support plate adjustment slot, one end of the calf support plate is rotatably connected to the calf connecting plate, and the other end is connected to the calf connecting plate through the calf support plate adjustment slot.

[0010] Furthermore, a foot bracket is provided at the end of the calf connecting plate, a foot strap is provided on the foot bracket, and the foot bracket and the calf connecting plate are connected via a foot bracket connecting plate.

[0011] Furthermore, a foot support adjustment slot is provided on the foot support connecting plate or the calf connecting plate, one end of the foot support is rotatably connected to the calf connecting plate, and the other end is connected to the calf connecting plate through the foot support adjustment slot.

[0012] Furthermore, the front transverse portion and the rear transverse portion are rotatably connected via a rotating connector, which includes a rotating shaft and a front sleeve and a rear sleeve rotatably connected to the rotating shaft, the front sleeve and the front transverse portion are correspondingly connected, and the rear sleeve and the rear transverse portion are correspondingly connected.

[0013] Furthermore, a thigh strap is connected to the rear transverse portion.

[0014] Furthermore, a slide rail is provided on the inner side of the base, a slider is matched with the slide rail, a connecting shaft is provided on the slider, and the connecting shaft is located in the slide groove and is rotatably connected to the bottom of the sliding bracket.

[0015] Furthermore, a push rod bracket is provided inside the base, the end of the driving push rod and the push rod bracket are rotatably connected, a push plate is provided on the rear vertical part of the swing bracket, and the front end of the driving push rod and the push plate are rotatably connected.

[0016] Furthermore, the front end of the base is provided with casters, and the end is provided with a handle.

[0017] Compared with the prior art, the beneficial technical effects of the present invention are:

[0018] The push rod of the utility model pushes the swing bracket obliquely upward, the movement amplitude is easier to adjust and the stability is better. The calf support plate and the foot support can be adjusted in angle through the slide groove, which can better fit the human body. The passive lower limb joint rehabilitation trainer can be used according to the different stages of the patient's rehabilitation and the patient's own conditions to improve the effect of the patient's lower limb joint movement function recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural diagram of the lower limb joint rehabilitation training device of the present utility model.

[0020] Figure 2 This is a schematic diagram of the left side of the lower limb joint rehabilitation trainer of the present invention.

[0021] Figure 3 This is a front schematic diagram of the lower limb joint rehabilitation trainer of the present invention.

[0022] Figure 4 This is a schematic diagram of the internal structure of the lower limb joint rehabilitation trainer of the present utility model.

[0023] In the figure, base 1, slide groove 11, slide rail 12, slider 13, connecting shaft 14, gasket 15, caster 16, handle 17, sliding bracket 2, front vertical part 21, front transverse part 22, swing bracket 3, rear vertical part 31, rear transverse part 32, driving push rod 4, push rod bracket 41, push plate 42, rotating connector 5, rotating shaft 51, front cover 52, rear cover 53, calf support plate 6, calf connecting plate 61, calf strap 62, calf support plate adjustment slot 63, foot bracket 7, foot strap 71, foot bracket connecting plate 72, foot bracket adjustment slot 73, thigh strap 8. DETAILED DESCRIPTION

[0024] The specific implementation methods of the present invention are described below with reference to the accompanying drawings and examples. However, the following examples are only used to illustrate the present invention in detail and do not limit the scope of the present invention in any way.

[0025] Example 1: A lower limb joint rehabilitation training device, see Figures 1 to 4 , including a base 1, a sliding bracket 2, a swing bracket 3, and a driving push rod 4. The base 1 is a long rectangular shell with slopes at both ends. There are slide grooves 11 on both sides. There is a hollow pattern above the slide groove 11. Gaskets 15 are set at the four corners of the bottom surface of the base 1. Casters 16 are set at the front end of the base 1, and a handle 17 is set at the end.

[0026] Both the sliding bracket 2 and the swing bracket 3 are bent rods and are located on either side of the base. The sliding bracket 2 bends at a nearly right angle, while the swing bracket 3 bends at an obtuse angle. The sliding bracket 2 includes a front vertical portion 21 and a front transverse portion 22, while the swing bracket 3 includes a rear vertical portion 31 and a rear transverse portion 32. The front transverse portion 22 and the rear transverse portion 32 are rotatably connected via a rotating connector 5. The rotating connector 5 includes a rotating shaft 51 and a front sheath 52 and a rear sheath 53 rotatably connected to the rotating shaft. The front sheath 52 is connected to the front transverse portion 22, and the rear sheath 53 is connected to the rear transverse portion 32.

[0027] The bottom end of the above-mentioned front vertical portion 21 is slidably connected to the slide groove 11. Specifically, a slide rail 12 is provided on the inner side of the base 1, and a slider 13 is matched with the slide rail 12. A connecting shaft 14 is provided on the slider 13. The connecting shaft 14 is located in the slide groove 12 and the connecting shaft 14 and the bottom of the front vertical portion 21 of the sliding bracket 2 are rotatably connected.

[0028] The bottom end of the rear vertical portion 31 is rotatably connected to the base 1. The driving push rod 4 is disposed within the base 1, and the distal end of the driving push rod 4 is rotatably connected to the base 1. The front end of the driving push rod 4 is rotatably connected to the rear vertical portion 31. Specifically, the driving push rod 4 is an electric push rod. A push rod bracket 41 is disposed within the base 1. The distal end of the driving push rod 4 is rotatably connected to the push rod bracket 41 via a hinged seat. A push plate 42 is disposed on the rear vertical portion 31 of the swing bracket 3. The front end of the driving push rod 4 is rotatably connected to the push plate 42 via a hinged seat.

[0029] The front transverse portion 22 of the sliding bracket 2 is provided with a calf support plate 6, which is connected to the front transverse portion 22 via a calf connecting plate 61. A calf strap 62 is provided on the calf support plate 6. A thigh strap 8 is connected to the rear transverse portion 32. The thigh strap 8 is a flexible, annular belt structure. A similar structure to the calf support plate 6 can also be used to provide a thigh support and thigh strap. A sleeve is provided on the side of the calf connecting plate 61, which is secured to the front transverse portion 22 using a knob screw.

[0030] A calf support adjustment slot 63 is provided on the calf connecting plate 61. The front end of the calf support 6 is connected to the calf connecting plate 61 by screws, and the rear end is connected to the calf support adjustment slot 63 and the calf connecting plate 61 by screws. The angle of the calf support 6 can be adjusted by adjusting the connection position of the calf support 6 in the calf support adjustment slot 63.

[0031] A foot support 7 is provided at the end of the calf connecting plate 61. Foot support 7 is provided with a foot strap 71. The foot support 7 and calf connecting plate 61 are connected via a foot support connecting plate 72. A foot support adjustment slot 73 is provided on the foot support connecting plate 72. The middle portion of the foot support 7 is screwed to the calf connecting plate 61, and the end portion is screwed to the foot support adjustment slot 73. The foot support adjustment slot 73 has multiple points for adjusting the angle of the foot support 7, and can also be an arc-shaped slot for stepless angle adjustment.

[0032] In some other embodiments, the calf support plate adjustment slot 63 may also be provided on the calf support plate 6, and the foot support plate adjustment slot 73 may also be provided on the calf connecting plate 61, but the arrangement shown in this embodiment is the best for adjustment.

[0033] The above-mentioned lower limb joint rehabilitation trainer is a passive lower limb joint rehabilitation trainer according to the different stages of the patient's rehabilitation and the patient's own conditions, so as to improve the effect of the recovery of the patient's lower limb joint movement function. It can adapt to the average body size of 10%-99% of the human body (14-60 years old) in GB / T10000-1988 "Chinese Adult Human Body Size", can meet the usage needs of most groups, and has wide and good applicability.

[0034] Furthermore, the present invention has been described in detail above with reference to the accompanying drawings and embodiments. However, those skilled in the art will appreciate that, without departing from the spirit of the present invention, the various specific parameters in the above embodiments may be changed to form multiple specific embodiments, which are all within the common variation range of the present invention and will not be described in detail here.

Claims

1. A lower limb joint rehabilitation training device, characterized by: The cam is connected to the base via a rotation of the crankcase, and the crankcase is connected to the control stand by a rotation of the crankcase, and the control stand is connected to the control stand by a rotation of the crankcase, and the control stand is connected to the control stand by a rotation of the crankcase.

2. The lower limb joint rehabilitation training device according to claim 1, characterized in that: A calf support plate is provided on the front transverse portion of the sliding bracket. The calf support plate is connected to the front transverse portion via a calf connecting plate. A calf strap is provided on the calf support plate.

3. The lower limb joint rehabilitation training device according to claim 2, characterized in that: The calf connecting plate or the calf connecting plate is provided with a calf support plate adjusting slot, one end of the calf support plate is rotatably connected to the calf connecting plate, and the other end is connected to the calf connecting plate through the calf support plate adjusting slot.

4. The lower limb joint rehabilitation training device according to claim 2, characterized in that: A foot bracket is provided at the end of the calf connecting plate, a foot strap is provided on the foot bracket, and the foot bracket and the calf connecting plate are connected via a foot bracket connecting plate.

5. The lower limb joint rehabilitation training device according to claim 4, characterized in that: The foot support connecting plate or the calf connecting plate is provided with a foot support adjusting slot. One end of the foot support is rotatably connected to the calf connecting plate, and the other end is connected to the calf connecting plate through the foot support adjusting slot.

6. The lower limb joint rehabilitation training device according to claim 1, characterized in that: The front transverse portion and the rear transverse portion are rotatably connected via a rotating connector, which includes a rotating shaft and a front cover and a rear cover rotatably connected to the rotating shaft. The front cover is correspondingly connected to the front transverse portion, and the rear cover is correspondingly connected to the rear transverse portion.

7. The lower limb joint rehabilitation training device according to claim 1, characterized in that: The rear transverse portion is connected with a thigh strap.

8. The lower limb joint rehabilitation training device according to claim 1, characterized in that: A slide rail is provided on the inner side of the base, a slider is matched with the slide rail, a connecting shaft is provided on the slider, and the connecting shaft is located in the slide groove and is rotatably connected to the bottom of the sliding bracket.

9. The lower limb joint rehabilitation training device according to claim 1, characterized in that: A push rod bracket is provided inside the base, the end of the driving push rod and the push rod bracket are rotatably connected, a push plate is provided on the rear vertical portion of the swing bracket, and the front end of the driving push rod and the push plate are rotatably connected.

10. The lower limb joint rehabilitation training device according to claim 1, characterized in that: The front end of the base is provided with casters, and the end is provided with a handle.