Lower limb rehabilitation training device
By designing a lower limb rehabilitation training device with a driving mechanism to simulate the joint activities of the human lower limbs, the problem of existing equipment requiring the patient's lower limbs to exert force alone is solved, effective auxiliary training and heating physiotherapy for the lower limbs are achieved, and the rehabilitation effect is improved.
Patent Information
- Application Number
- CN202421510706.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing lower limb rehabilitation training equipment requires the patient to work alone in the lower limbs. Too small or too large may lead to poor rehabilitation training results and are not friendly to the patient's lower limb injuries.
A lower limb rehabilitation training device is designed, including a shell and a training bracket. The training bracket movement is driven by the driving mechanism to simulate the joint activities of the human lower limbs, so that the patient's lower limbs are automatically bent and stretched under the action of the driving mechanism to avoid the patient's lower limbs exerting force alone.
Assisted training for the patient's lower limbs is achieved, the inconvenience caused by too little or too much effort is avoided, the rehabilitation training effect is improved, and heating physiotherapy is provided through the combination of the support belt and the heating core, which further improves the rehabilitation effect.
Smart Images
Figure CN222889162U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rehabilitation training, in particular to a lower limb rehabilitation training device. Background Art
[0002] Medical theory and clinical practice have proven that for most hemiplegic patients or patients with lower limb injuries, in addition to early surgical treatment and necessary drug treatment, some effective rehabilitation methods can also enable patients to recover their lost functions to a certain extent, helping them to stand and walk with the help of rehabilitation equipment. This is not only conducive to improving the quality of life of the patients themselves, but also can reduce the burden on their families and society. As a mechanical device for rehabilitation treatment, the lower limb rehabilitation training mechanical device has developed rapidly in this context.
[0003] Similar devices currently on the market require the patient's lower limbs to exert force alone to achieve rehabilitation training for the patient's lower limbs. Too little force will lead to poor rehabilitation training effect, while too much force may be counterproductive and unfriendly to the patient's lower limb injuries. Therefore, we propose a lower limb rehabilitation training device to solve the above problems. Utility Model Content
[0004] In order to solve the technical problems existing in the background technology, the utility model provides a lower limb rehabilitation training device.
[0005] The utility model proposes a lower limb rehabilitation training device, comprising a shell and a training bracket, the training bracket comprising a thigh support frame, a calf support frame, a foot support frame, and a support arm, one end of the thigh support frame is rotatably mounted on one side of the shell, the foot support frame is rotatably mounted on the other side of the shell through the support arm, the thigh support frame and the foot support frame are connected through the calf support frame, and the two ends of the calf support frame are rotatably connected to the thigh support frame and the foot support frame respectively, a driving mechanism is installed inside the shell, and the training bracket is driven to move by the driving mechanism.
[0006] As a further optimized solution of the utility model, the driving mechanism includes a sliding block, a first lead screw, a first motor, and a fixed rod. The first lead screw is rotatably installed in the shell and driven by the first motor. The fixed rod is fixedly installed in the shell and parallel to the first lead screw. The sliding block is threadedly mounted on the first lead screw and is slidably connected to the fixed rod. One end of the support arm is rotatably connected to the foot support frame, and the other end of the support arm is rotatably connected to the sliding block.
[0007] As a further optimized solution of the utility model, a sliding groove parallel to the fixed rod is opened on the surface of the shell, and a rotating shaft is installed on the sliding block. The rotating shaft passes through the sliding groove and extends to the outside of the shell, and the end of the support arm away from the foot support frame is rotatably connected to the sliding block through the rotating shaft.
[0008] As a further optimized solution of the utility model, there are two fixed rods and two support arms, the two fixed rods are symmetrically distributed on both sides of the first screw, and a support arm is installed on each fixed rod, and the two support arms are symmetrically installed on both sides of the foot support frame.
[0009] As a further optimized solution of the utility model, support belts are installed on both the thigh support frame and the calf support frame, and the two support belts can move along the length direction of the thigh support frame and the calf support frame respectively.
[0010] As a further optimized solution of the utility model, the thigh support frame and the calf support frame each include two mutually parallel support tubes, the support belt is arranged between the two mutually parallel support tubes, sleeves are installed at both ends of the support belt, and the sleeves are slidably mounted on adjacent support tubes.
[0011] As a further optimized solution of the utility model, massage protrusions are installed on the surface of one side of the support belt away from the shell, and the number of the massage protrusions is multiple and evenly distributed.
[0012] As a further optimized solution of the utility model, the support belt is made of a flexible material, and a heating core is installed in the support belt.
[0013] As a further optimized solution of the utility model, a driving assembly is installed in the support tube, a slide groove is opened on the tube wall of the support tube along its length direction, a slider is installed on the inner wall of the sleeve, the slider is arranged in the slide groove and adapted to each other, and the slider is driven to slide along the slide groove by the driving assembly.
[0014] As a further optimized solution of the utility model, the driving assembly includes a second motor, a second lead screw, and a movable block. The second lead screw is rotatably installed in the support tube and is coaxially arranged. The second motor is installed in the support tube and is connected to the axial end of the second lead screw. The movable block is threadedly mounted on the second lead screw. The slider passes through the slide groove and enters one end of the support tube and is connected to the movable block.
[0015] The lower limb rehabilitation training device proposed by the utility model has the following beneficial effects:
[0016] (1) The first motor drives the first lead screw to rotate, so that the sliding block slides along the fixed rod, thereby driving the support arm to slide along the sliding groove, and then driving the foot support frame to move. The rotating connection design at both ends of the thigh support frame, the calf support frame, and the foot support frame is used to simulate the joint activities of the lower limbs of the human body, so that the lower limbs of the patient are automatically bent and extended under the driving action of the first motor, thereby realizing auxiliary training of the lower limbs of the patient, avoiding the occurrence of the lower limbs of the patient exerting force alone, and preventing the inconvenience caused by too little or too much force, which is conducive to improving the actual rehabilitation training effect and has broad market prospects;
[0017] (ii) By installing support belts on the thigh support frame and the calf support frame, and using the support belts to move on the support tubes of the thigh support frame and the calf support frame, the support belts can be moved and supported on the surface of the patient's lower limbs. The massage protrusions evenly distributed on the surface of the support belt can massage the surface of the patient's lower limbs. Combined with the flexible material of the support belt and the heating core therein, it can not only massage the patient's lower limbs, but also play an auxiliary heating role, so as to achieve heating therapy, improve the massage effect, and thus improve the actual rehabilitation training effect.
[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0020] Figure 2 This is a schematic diagram of the internal structure of the housing of the utility model;
[0021] Figure 3 This is a schematic diagram of the structure of the thigh support belt in the embodiment of the utility model;
[0022] Figure 4 It is a schematic diagram of the structure of the driving component in the embodiment of the utility model.
[0023] Description of the drawings: 1. Shell; 2. Thigh support frame; 3. Calf support frame; 4. Foot support frame; 5. Support arm; 6. Support belt; 7. Sliding block; 8. Sliding groove; 9. Fixed frame; 10. First screw; 11. First motor; 12. Fixed rod; 13. Sleeve; 14. Sleeve; 15. Massage protrusion; 16. Sliding groove; 17. Sliding block; 18. Second motor; 19. Second screw; 20. Movable block; 21. Battery. DETAILED DESCRIPTION
[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0025] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0027] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0028] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0029] See also Figure 1-Figure 4A lower limb rehabilitation training device comprises a shell 1 and a training frame, wherein the training frame comprises a thigh support frame 2, a calf support frame 3, a foot support frame 4, and a support arm 5, wherein one end of the thigh support frame 2 is rotatably mounted on one side of the shell 1, and the foot support frame 4 is rotatably mounted on the other side of the shell 1 through the support arm 5, the thigh support frame 2 and the foot support frame 4 are connected through the calf support frame 3, and the two ends of the calf support frame 3 are rotatably connected with the thigh support frame 2 and the foot support frame 4 respectively, and a driving mechanism is installed inside the shell 1, and the training frame is driven to move by the driving mechanism;
[0030] Specifically, the driving mechanism includes a sliding block 7, a first lead screw 10, a first motor 11, and a fixed rod 12. The first lead screw 10 is rotatably installed in the housing 1 and driven by the first motor 11. The fixed rod 12 is fixedly installed in the housing 1 and is parallel to the first lead screw 10. The sliding block 7 is threadedly mounted on the first lead screw 10 and is slidably connected to the fixed rod 12. One end of the support arm 5 is rotatably connected to the foot support frame 4, and the other end of the support arm 5 is rotatably connected to the sliding block 7.
[0031] Further, fixed plates are installed inside both ends of the housing 1, and both ends of the first lead screw 10 rotate with adjacent fixed plates respectively, and the first motor 11 is installed on the fixed plate at one end, and the output shaft of the first motor 11 is connected to one end of the first lead screw 10 through a coupling, so that the first lead screw 10 is driven to rotate by the first motor 11, so that the sliding block 7 moves along the first lead screw 10, thereby driving the sliding block 7 and the support arm 5 to slide;
[0032] Furthermore, a sliding groove 8 parallel to the fixing rod 12 is formed on the surface of the housing 1, a rotating shaft is installed on the sliding block 7, the rotating shaft passes through the sliding groove 8 and extends to the outside of the housing 1, and one end of the support arm 5 away from the foot support frame 4 is rotatably connected to the sliding block 7 through the rotating shaft;
[0033] Furthermore, the number of the fixing rods 12 and the number of the supporting arms 5 are both two, the two fixing rods 12 are symmetrically distributed on both sides of the first screw 10, and a supporting arm 5 is installed on each fixing rod 12, and the two supporting arms 5 are symmetrically installed on both sides of the foot supporting frame 4;
[0034] Furthermore, sliding grooves 8 are provided on both sides of the housing 1, and the two sliding grooves 8 correspond to the two support arms 5 respectively;
[0035] In summary, the utility model drives the first screw 10 to rotate through the first motor 11, so that the sliding block 7 slides along the fixed rod 12, thereby driving the support arm 5 to slide along the sliding groove 8, and then driving the foot support frame 4 to move, and utilizes the rotating connection design at both ends of the thigh support frame 2, the calf support frame 3, and the foot support frame 4 to simulate the joint activities of the lower limbs of the human body, so that the patient's lower limbs are automatically bent and extended under the driving action of the first motor 11, thereby realizing auxiliary training of the patient's lower limbs, avoiding the occurrence of the patient's lower limbs exerting force alone, and preventing the inconvenience caused by too little or too much force, which is conducive to improving the actual rehabilitation training effect and has broad market prospects.
[0036] Example
[0037] The thigh support frame 2 and the calf support frame 3 are both equipped with support belts 6, and the two support belts 6 can be moved along the length direction of the thigh support frame 2 and the calf support frame 3, respectively, and can be adjusted manually or automatically to meet different usage requirements;
[0038] Specifically, Figure 3 As shown, the thigh support frame 2 and the calf support frame 3 each include two mutually parallel support tubes, the support belt 6 is arranged between the two mutually parallel support tubes, and sleeves 14 are installed at both ends of the support belt 6, and the sleeves 14 are slidably mounted on the adjacent support tubes;
[0039] It should be noted that the two support tubes of the thigh support frame 2 are called first support tubes, and the two support tubes of the calf support frame 3 are called second support tubes. A fixing frame 9 is installed on the outside of the shell 1. The first ends of the two first support tubes are connected by a U-shaped tube, and a sleeve 13 is fixedly installed in the middle of the U-shaped tube. The sleeve 13 is rotatably sleeved on the fixing frame 9. The second ends of the two first support tubes correspond to the first ends of the two second support tubes respectively, and the intersection is rotatably connected by a movable joint. The second ends of the two second support tubes are rotatably connected to the two sides of the foot support frame 4 through a movable joint, and the end of the support arm 5 away from the sliding block 7 is also rotatably connected to the foot support frame 4 through a movable joint.
[0040] Furthermore, a massage protrusion 15 is installed on the surface of the side of the support belt 6 away from the housing 1. The number of the massage protrusions 15 is multiple and evenly distributed. The support belt 6 moves on the support tube, thereby driving the massage protrusions 15 to move synchronously, and the massage protrusions 15 are used to massage the patient's lower limb muscles.
[0041] Furthermore, the support belt 6 is made of a flexible material, such as cotton, polyester or rubber, which can not only adapt to the curvature change of the patient's lower limbs, but also improve the comfort of use. A heating core is installed in the support belt 6. The heating core can use various types of heating cores in the prior art, such as graphene flexible electric heating film, tourmaline heating cloth or resistive heating wire, etc. While massaging, auxiliary heat therapy is performed on the patient's lower limb muscles, which has the effect of promoting blood circulation and removing blood stasis, improving blood circulation, and thus improving the rehabilitation training effect;
[0042] Specifically, Figure 4 As shown, a driving assembly is installed in the support tube, a slide groove 16 is opened on the tube wall of the support tube along its length direction, and a slider 17 is installed on the inner wall of the sleeve 14. The slider 17 is arranged in the slide groove 16 and is adapted to each other. The slider 17 is driven by the driving assembly to slide along the slide groove 16;
[0043] Further, the driving assembly includes a second motor 18, a second lead screw 19, and a movable block 20. The second lead screw 19 is rotatably mounted in the support tube and is coaxially arranged. The second motor 18 is installed in the support tube and connected to the shaft end of the second lead screw 19. The movable block 20 is threadedly mounted on the second lead screw 19. The slider 17 passes through the slide groove 16 and enters the support tube at one end and is connected to the movable block 20.
[0044] It should be noted that a battery 21 is also installed in the support tube, and the second motor 18 is electrically connected to the battery 21 to supply power to the second motor 18;
[0045] Furthermore, there are two slide grooves 16 symmetrically arranged on both sides of the support tube, and a slider 17 is installed on both sides of the movable block 20. The two sliders 17 slide in the adjacent slide grooves 16 respectively, which can improve the sliding stability of the sleeve 14.
[0046] Furthermore, evenly distributed balls can be installed on the outer wall of the sleeve 14, and the balls are used to contact the side of the patient's lower limbs, so that the sleeve 14 can drive the support belt 6 to move, which is convenient for practical operation;
[0047] In summary, the utility model installs a support belt 6 on the thigh support frame 2 and the calf support frame 3, and uses the support belt 6 to move on the support tubes of the thigh support frame 2 and the calf support frame 3, so that the support belt 6 can move and support the surface of the patient's lower limbs. The massage protrusions 15 are evenly distributed on the surface of the support belt 6, so that the massage protrusions 15 can massage the surface of the patient's lower limbs. Combined with the flexible material of the support belt 6 and the heating core therein, it can not only massage the patient's lower limbs, but also play a role of auxiliary heating, so as to achieve heating therapy, improve the massage effect, and thus improve the actual rehabilitation training effect.
[0048] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A lower limb rehabilitation training device, comprising a housing (1) and a training bracket, characterized in that: The training frame comprises a thigh support frame (2), a calf support frame (3), a foot support frame (4), and a support arm (5); one end of the thigh support frame (2) is rotatably mounted on one side of a housing (1); the foot support frame (4) is rotatably mounted on the other side of the housing (1) via the support arm (5); the thigh support frame (2) and the foot support frame (4) are connected via the calf support frame (3), and the two ends of the calf support frame (3) are rotatably connected to the thigh support frame (2) and the foot support frame (4) respectively; a driving mechanism is installed inside the housing (1), and the driving mechanism drives the training frame to move.
2. A lower limb rehabilitation training device according to claim 1, characterized in that: The driving mechanism comprises a sliding block (7), a first lead screw (10), a first motor (11), and a fixed rod (12); the first lead screw (10) is rotatably mounted in a housing (1) and driven by the first motor (11); the fixed rod (12) is fixedly mounted in the housing (1) and is parallel to the first lead screw (10); the sliding block (7) is threadedly mounted on the first lead screw (10) and is slidably connected to the fixed rod (12); one end of the support arm (5) is rotatably connected to the foot support frame (4); and the other end of the support arm (5) is rotatably connected to the sliding block (7).
3. A lower limb rehabilitation training device according to claim 2, characterized in that: The surface of the housing (1) is provided with a sliding groove (8) parallel to the fixing rod (12); a rotating shaft is installed on the sliding block (7); the rotating shaft passes through the sliding groove (8) and extends to the outside of the housing (1); and one end of the support arm (5) away from the foot support frame (4) is rotatably connected to the sliding block (7) via the rotating shaft.
4. A lower limb rehabilitation training device according to claim 2, characterized in that: The number of the fixing rods (12) and the number of the supporting arms (5) are both two, the two fixing rods (12) are symmetrically distributed on both sides of the first screw (10), and a supporting arm (5) is installed on each fixing rod (12), and the two supporting arms (5) are symmetrically installed on both sides of the foot support frame (4).
5. A lower limb rehabilitation training device according to any one of claims 1 to 4, characterized in that: Support belts (6) are installed on both the thigh support frame (2) and the calf support frame (3), and the two support belts (6) can move along the length direction of the thigh support frame (2) and the calf support frame (3) respectively.
6. A lower limb rehabilitation training device according to claim 5, characterized in that: The thigh support frame (2) and the calf support frame (3) each include two mutually parallel support tubes, the support belt (6) is arranged between the two mutually parallel support tubes, sleeves (14) are installed at both ends of the support belt (6), and the sleeves (14) are slidably mounted on adjacent support tubes.
7. A lower limb rehabilitation training device according to claim 6, characterized in that: Massage protrusions (15) are installed on a surface of one side of the support belt (6) away from the housing (1), and the number of the massage protrusions (15) is multiple and evenly distributed.
8. A lower limb rehabilitation training device according to claim 6, characterized in that: The support belt (6) is made of a flexible material, and a heating core is installed inside the support belt (6).
9. A lower limb rehabilitation training device according to claim 6, characterized in that: A driving assembly is installed in the support tube. A slide groove (16) is provided on the tube wall of the support tube along its length direction. A slider (17) is installed on the inner wall of the sleeve (14). The slider (17) is arranged in the slide groove (16) and is mutually adapted. The driving assembly drives the slider (17) to slide along the slide groove (16).
10. A lower limb rehabilitation training device according to claim 9, characterized in that: The driving assembly comprises a second motor (18), a second lead screw (19), and a movable block (20). The second lead screw (19) is rotatably mounted in a support tube and is coaxially arranged. The second motor (18) is mounted in the support tube and is connected to the axial end of the second lead screw (19). The movable block (20) is threadedly mounted on the second lead screw (19). The slider (17) passes through the slide groove (16) and enters one end of the support tube and is connected to the movable block (20).