Foldable lower limb rehabilitation training frame for orthopedics

CN224911693UActive Publication Date: 2026-10-30北京纳通医学研究院有限公司
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Patent Information

Application Number
CN202522321626.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-03
Publication Date
2026-10-30
Estimated Expiration
2035-11-03

AI Technical Summary

Technical Problem

[0005]为了解决当前市面上主流的骨科下肢康复训练架多采用固定连接结构,虽能满足训练时的稳定性需求,但闲置时无法折叠导致体积无法缩减,既占用医院诊疗空间与家庭生活空间的问题,本实用新型提供一种骨科用可折叠式下肢康复训练架

Benefits of technology

利用承托台底部与支撑杆通过合页转动连接,相邻支撑杆间的限位锁定机构可灵活解锁以及锁定,便于设备折叠收纳,解决现有固定结构训练架闲置时空间占用大的问题,适配医院、家庭等场景的空间需求,支撑杆采用前后左右对称式四根设置,能为承托台提供均衡支撑力;限位锁定机构中,第一抵接杆一端转动连接在一根支撑杆侧壁底部、另一端搭接在第二抵接杆底部,卡接板卡接在第二抵接杆的锁杆上,可锁定支撑杆位置,确保训练时设备整体结构稳定,保障患者使用安全,各部件采用合页转动连接,配合卡接板与锁杆的卡接锁定方式,操作简单,既方便展开设备进行训练,也便于折叠收纳,降低使用与存储难度。

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Abstract

The utility model relates to medical instrument technical field especially is involved in a kind of foldable lower limb rehabilitation training frame for orthopedics, including support platform, support rod and limit locking mechanism, the bottom of support platform is connected with support rod by hinge rotation, and support rod is symmetrically provided with four roots around front and back.This utility model limit locking mechanism between adjacent support rod can be flexibly unlocked and locked, equipment folding is stored conveniently, solve the problem of large space occupation when existing fixed structure training frame is idle, adapt to the space demand of hospital, family and other scenes, support rod is symmetrically provided with four roots around front and back, can provide balanced supporting force for support platform;In limit locking mechanism, first abutment rod one end is rotatably connected in the sidewall bottom of a support rod, the other end is overlapped in the bottom of second abutment rod, clamping plate is clamped on the lock rod of second abutment rod, can lock the position of support rod, ensure that the overall structure of equipment is stable when training.
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Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a foldable lower limb rehabilitation training frame for orthopedics. Background Technology

[0002] In the field of orthopedic clinical treatment and postoperative rehabilitation, rehabilitation training for patients with lower limb injuries is a key link in restoring lower limb motor function and rebuilding walking ability. Among them, the lower limb rehabilitation training frame, as a core auxiliary device, can provide patients with stable support, effectively reducing the risk of falls caused by insufficient weight-bearing on the lower limbs during walking training. At the same time, it helps patients gradually adapt to lower limb stress, improve joint mobility and muscle strength, and is an important bridge connecting clinical treatment and patients' return to normal life.

[0003] Currently, most mainstream orthopedic lower limb rehabilitation training frames on the market adopt a fixed connection structure design. Their core frame, including key components such as support columns, crossbeams, handrails, and foot pedals, is mostly connected and formed by welding, bolting, or other non-removable or difficult-to-adjust methods. Although this type of design can meet the stability requirements of patients during training and ensure that the support strength meets the standards, it has significant functional defects in actual application scenarios, especially in terms of space utilization efficiency when the equipment is idle.

[0004] In related technologies, because the overall volume of a fixed-structure training rack cannot be reduced when not in use, it still occupies a space similar to that in use. In medical settings such as hospital rehabilitation departments and wards, due to the large number of patients and the variety of rehabilitation equipment, the long-term idleness of fixed training racks will occupy valuable treatment space, leading to a crowded layout of the rehabilitation area. This not only affects the operational convenience of medical staff but may also reduce the rehabilitation training experience of patients. In home rehabilitation settings, most families have limited living space, and it is difficult to find a suitable storage location for fixed training racks when they are not in use. They often occupy living areas such as living rooms and bedrooms, causing inconvenience to the daily lives of family members. Utility Model Content

[0005] To address the issue that most mainstream orthopedic lower limb rehabilitation training frames on the market use a fixed connection structure, which can meet the stability requirements during training but cannot be folded when not in use, resulting in a fixed size that occupies both hospital treatment space and home living space, this utility model provides a foldable lower limb rehabilitation training frame for orthopedics.

[0006] The foldable lower limb rehabilitation training frame for orthopedics provided by this utility model adopts the following technical solution: A foldable lower limb rehabilitation training frame for orthopedic use includes: The support platform has a support rod rotatably connected to its bottom via a hinge. Four support rods are arranged symmetrically in the front, back, left, and right directions. A limit locking mechanism is provided between two adjacent support rods. The limit locking mechanism includes a first abutting rod, a second abutting rod, a locking plate, and a locking rod. One end of the first abutting rod is rotatably connected to the bottom of the side wall of one of the support rods via a hinge, and one end of the second abutting rod is rotatably connected to the bottom of the side wall of another support rod via a hinge. The other end of the first abutting rod overlaps the bottom of the second abutting rod. The snap-fit ​​plate is rotatably connected to the first abutting rod, the locking rod is fixed to the second abutting rod, and the snap-fit ​​plate is snapped onto the locking rod.

[0007] By adopting the above technical solution, the bottom of the support platform and the support rod are connected by hinges. The limiting and locking mechanism between adjacent support rods can be flexibly unlocked and locked, which facilitates the folding and storage of the equipment. This solves the problem of large space occupation when the existing fixed structure training rack is not in use, and is suitable for the space requirements of hospitals, homes and other scenarios. The support rods are arranged in a symmetrical manner in the front, back and left and right, which can provide balanced support force for the support platform. In the limiting and locking mechanism, one end of the first abutment rod is rotatably connected to the bottom of the side wall of a support rod, and the other end overlaps the bottom of the second abutment rod. The locking plate is locked onto the locking rod of the second abutment rod, which can lock the position of the support rod, ensure the overall structural stability of the equipment during training, and ensure the safety of patients. All components are connected by hinges, and the locking method of the locking plate and the locking rod is simple to operate. It is convenient to unfold the equipment for training and easy to fold and store, reducing the difficulty of use and storage.

[0008] Optionally, rollers are provided at the bottom of the rotating connection ends of the first abutment rod, the second abutment rod, and the support rod.

[0009] By adopting the above technical solution, the training frame can be moved flexibly when unfolded and used, making it convenient for medical staff or patients to adjust the position of the equipment according to the rehabilitation scenario, thus improving the flexibility of use.

[0010] Optionally, the snap-fit ​​plate has a snap-fit ​​groove at one end near the locking rod. The snap-fit ​​groove has a protruding structure and is combined with the snap-fit ​​plate to form an L-shaped structure, and the locking rod is snapped into the snap-fit ​​groove.

[0011] By adopting the above technical solution, the L-shaped structure formed by the locking groove and the locking plate can make the locking rod accurately lock into the locking groove, enhance the locking stability of the limit locking mechanism, avoid structural displacement due to loose locking during use of the training frame, and ensure patient training safety.

[0012] Optionally, the bottom of the snap-fit ​​plate near the locking rod is provided with an abutment surface, which has an inclined structure and slides against the locking rod.

[0013] By adopting the above technical solution, the abutting surface of the inclined structure can slide against the locking rod during the locking operation, reducing the collision and friction between the locking plate and the locking rod, making the locking process smoother, reducing operating resistance, and improving the convenience of locking operation.

[0014] Optionally, both the first abutting rod and the snap-fit ​​plate are provided with a mating rod on their sidewalls, and a return spring is connected between two adjacent mating rods.

[0015] By adopting the above technical solution, the snap-fit ​​plate is automatically reset by the reset spring, eliminating the need for manual adjustment of the snap-fit ​​plate position and preparing for the next locking operation, thus simplifying the operation process.

[0016] Optionally, a positioning rod is also fixed on the side wall of the first abutment rod, and the snap-fit ​​plate abuts against the positioning rod.

[0017] By adopting the above technical solution, the rotation range of the locking plate is limited by the positioning rod, which avoids the locking plate from deviating from the locking rod due to excessive rotation, and ensures that the locking plate can be accurately aligned with the locking rod when locking, thereby improving the reliability of locking.

[0018] Optionally, the limiting and locking mechanism is symmetrically arranged in two sets, and a first connecting rod is fixed between the first abutting rod and the second abutting rod of the two adjacent sets of limiting and locking mechanisms, and a second connecting rod is fixed between the two adjacent locking plates.

[0019] By adopting the above technical solution, the overall structural strength of the limit locking mechanism is enhanced, the force on the support rod is more balanced, and damage caused by excessive load on a single locking mechanism is avoided. At the same time, two locking mechanisms can be controlled simultaneously, improving operational efficiency.

[0020] Optionally, a grip handle is fixed to the top of the support platform. Two grip handles are symmetrically arranged and have an elliptical structure.

[0021] By adopting the above technical solution, patients can hold the handle stably during training, increasing the body's support points and reducing the risk of tipping over during walking training. In addition, the oval structure can reduce the pressure of the handle on the palm and improve the comfort of holding the handle.

[0022] Optionally, an adjusting rod is provided at the center of the support rod, and both the upper and lower sections of the support rod are slidably connected to the adjusting rod and are locked in an adjustable manner by bolts.

[0023] By adopting the above technical solution, the overall height of the support rod can be flexibly adjusted according to the patient's height and rehabilitation stage needs, so that the height of the support platform can be adapted to different patients and the versatility of the equipment can be improved.

[0024] Optionally, the top of the support platform is entirely covered with a rubber pad, and the rubber pad is filled with memory foam.

[0025] By adopting the above technical solution, the rubber pad increases the friction between the patient and the support platform, preventing the patient's limbs from sliding during training. The memory foam can conform to the contour of the limbs to provide support, reduce local pressure, and improve the patient's comfort. At the same time, the rubber pad can also play a cushioning and protective role.

[0026] In summary, this utility model has at least one of the following beneficial technical effects: The support platform is connected to the support rods via hinges, and the limiting and locking mechanism between adjacent support rods can be flexibly unlocked and locked, facilitating the folding and storage of the equipment. This solves the problem of large space occupation when the existing fixed structure training racks are not in use, and is suitable for the space requirements of hospitals, homes, and other scenarios. The support rods are arranged symmetrically in four positions, providing balanced support for the support platform. In the limiting and locking mechanism, one end of the first abutment rod is rotatably connected to the bottom of the side wall of a support rod, and the other end overlaps the bottom of the second abutment rod. The locking plate is locked onto the locking rod of the second abutment rod, which can lock the position of the support rods, ensuring the overall structural stability of the equipment during training and ensuring patient safety. All components are connected by hinges, and the locking method of the locking plate and locking rod makes operation simple, making it convenient to unfold the equipment for training and easy to fold and store, reducing the difficulty of use and storage. Attached Figure Description

[0027] Figure 1 This is a top view schematic diagram of the external structure of a foldable lower limb rehabilitation training frame for orthopedics in this embodiment.

[0028] Figure 2 This is a schematic diagram of the overall structure of the training frame from below in this embodiment.

[0029] Figure 3 This is a schematic diagram of the limiting and locking mechanism in this embodiment.

[0030] Figure 4 This is a schematic diagram of the snap-fit ​​plate and its overall connection structure in this embodiment.

[0031] Explanation of reference numerals in the attached figures: 1. Support platform; 2. Support rod; 3. Limiting and locking mechanism; 31. First abutting rod; 32. Second abutting rod; 33. Snap-fit ​​plate; 34. Locking rod; 35. Roller; 36. Snap-fit ​​groove; 37. Abutting surface; 38. Connecting rod; 39. Return spring; 310. Positioning rod; 4. First connecting rod; 5. Second connecting rod; 6. Grip handle; 7. Adjusting rod. Detailed Implementation

[0032] The following is in conjunction with the appendix Figure 1-4 The present invention will be described in further detail below.

[0033] This utility model discloses a foldable lower limb rehabilitation training frame for orthopedics.

[0034] It should be noted that in the description of this utility model, the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] Reference Figure 1 and Figure 2 A foldable lower limb rehabilitation training frame for orthopedic use includes a support platform 1, support rods 2, and a limiting and locking mechanism 3. The bottom of the support platform 1 is rotatably connected to the support rods 2 via hinges. Four support rods 2 are symmetrically arranged in the front, back, left, and right directions. A limiting and locking mechanism 3 is provided between adjacent support rods 2. The limiting and locking mechanism 3 includes a first abutting rod 31, a second abutting rod 32, a locking plate 33, and a locking rod 34. The bottom of the support platform 1 is rotatably connected to the support rods 2 via hinges. The limiting and locking mechanism 3 between adjacent support rods 2 can be flexibly unlocked and locked, facilitating folding and storage of the equipment. This solves the problem of large space occupation when existing fixed structure training frames are not in use, and is suitable for medical use. To meet the spatial requirements of scenarios such as hospitals and homes, the support rods 2 are arranged in a symmetrical pattern of four rods in the front, back, left, and right, which can provide balanced support for the support platform 1. In the limiting and locking mechanism 3, one end of the first abutment rod 31 is rotatably connected to the bottom of the side wall of a support rod 2, and the other end overlaps the bottom of the second abutment rod 32. The locking plate 33 is locked onto the locking rod 34 of the second abutment rod 32, which can lock the position of the support rod 2, ensuring the overall structural stability of the equipment during training and ensuring the safety of patients. All components are connected by hinge rotation, and the locking method of the locking plate 33 and the locking rod 34 makes the operation simple. It is convenient to unfold the equipment for training and also easy to fold and store, reducing the difficulty of use and storage.

[0036] Specifically, one end of the first abutting rod 31 is rotatably connected to the bottom of the side wall of one of the support rods 2 via a hinge, one end of the second abutting rod 32 is rotatably connected to the bottom of the side wall of another support rod 2 via a hinge, and the other end of the first abutting rod 31 overlaps the bottom of the second abutting rod 32. The locking plate 33 is rotatably connected to the first abutting rod 31, and the locking rod 34 is fixed to the second abutting rod 32, and the locking plate 33 is locked onto the locking rod 34.

[0037] In this embodiment of the utility model, the bottom of the rotating connection end of the first abutting rod 31, the second abutting rod 32 and the support rod 2 are all provided with rollers 35. The rollers 35 enable the training frame to move flexibly when unfolded and used, which makes it convenient for medical staff or patients to adjust the position of the equipment according to the rehabilitation scenario and improves the flexibility of use.

[0038] Reference Figure 3 and Figure 4 Specifically, in this embodiment of the present invention, a snap-fit ​​groove 36 is provided at one end of the snap-fit ​​plate 33 near the locking rod 34. The snap-fit ​​groove 36 has a protruding structure and is combined with the snap-fit ​​plate 33 to form an L-shaped structure. The locking rod 34 is snapped into the snap-fit ​​groove 36. A contact surface 37 is provided at the bottom of one end of the snap-fit ​​plate 33 near the locking rod 34. The contact surface 37 has a sloping structure and slides against the locking rod 34. By using the snap-fit ​​groove 36 and the snap-fit ​​plate 33 to form an L-shaped structure, the locking rod 34 can be accurately snapped into the snap-fit ​​groove 36, which enhances the locking stability of the limiting locking mechanism 3 and avoids structural displacement due to loose snap-fit ​​during use of the training frame, thus ensuring the safety of patient training. By using the sloping contact surface 37, the contact surface 37 can slide against the locking rod 34 during the locking operation, reducing the collision and friction between the snap-fit ​​plate 33 and the locking rod 34, making the snap-fit ​​process smoother, reducing operating resistance, and improving the convenience of locking operation.

[0039] In this embodiment of the utility model, both the first abutting rod 31 and the snap-fit ​​plate 33 are provided with a mating rod 38 on their side walls, and a return spring 39 is connected between two adjacent mating rods 38. The return spring 39 drives the snap-fit ​​plate 33 to automatically reset, eliminating the need to manually adjust the position of the snap-fit ​​plate 33, thus preparing for the next locking operation and simplifying the operation process.

[0040] Specifically, a positioning rod 310 is fixed on the side wall of the first abutting rod 31. The locking plate 33 abuts against the positioning rod 310. The positioning rod 310 limits the rotation range of the locking plate 33 to prevent the locking plate 33 from deviating from the locking rod 34 due to excessive rotation. This ensures that the locking plate 33 can be accurately aligned with the locking rod 34 when locked, thus improving the reliability of locking.

[0041] Two sets of limit locking mechanisms 3 are symmetrically arranged, and a first connecting rod 4 is fixed between the first abutting rod 31 and the second abutting rod 32 of each of the two adjacent sets of limit locking mechanisms 3. A second connecting rod 5 is fixed between each of the two adjacent locking plates 33. This enhances the overall structural strength of the limit locking mechanism 3, makes the support rod 2 more evenly stressed, avoids damage caused by excessive load on a single locking mechanism, and can simultaneously control the two locking mechanisms, thus improving operational efficiency.

[0042] In this embodiment, a grip handle 6 is fixed to the top of the support platform 1. There are two grip handles 6 arranged symmetrically and they are oval in shape. The patient can hold the handle stably during training, which increases the body support points and reduces the risk of falling during walking training. The oval structure can also reduce the pressure of the handle on the palm and improve the grip comfort.

[0043] An adjusting rod 7 is provided at the center of the support rod 2. Both the upper and lower sections of the support rod 2 are slidably connected to the adjusting rod 7 and are locked in an adjustable manner by bolts. The overall height of the support rod 2 can be flexibly adjusted according to the patient's height and rehabilitation stage needs, so that the height of the support platform 1 can be adapted to different patients and improve the versatility of the equipment.

[0044] Specifically, the top of the support platform 1 is entirely covered with a rubber pad, and memory foam is filled inside the rubber pad. The rubber pad increases the friction between the patient and the support platform 1, preventing the patient's limbs from sliding during training. The memory foam can conform to the contour of the limbs to provide support, reduce local pressure, and improve the patient's comfort. At the same time, the rubber pad can also play a cushioning and protective role.

[0045] The implementation principle of the orthopedic foldable lower limb rehabilitation training frame of this utility model embodiment is as follows: First, take out the training frame in the folded state, push the four symmetrically arranged support rods 2, and use the hinges at the bottom of the support platform 1 to rotate and connect the support rods 2 to the support position perpendicular to the support platform 1. Then, for the limiting and locking mechanism 3 between two adjacent support rods 2, rotate the first abutting rod 31 so that the other end of the first abutting rod 31 overlaps the bottom of the second abutting rod 32; then rotate the snap-fit ​​plate 33 on the first abutting rod 31 to snap it onto the locking rod 34 fixed on the second abutting rod 32 to complete the limiting and locking, ensuring that the position of the support rods 2 is fixed and the training frame as a whole maintains a stable support state.

[0046] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A foldable lower limb rehabilitation training frame for orthopedic use, characterized in that, include: The support platform (1) has a support rod (2) rotatably connected to its bottom via a hinge. The support rod (2) has four symmetrically arranged front, back, left and right. A limit locking mechanism (3) is provided between two adjacent support rods (2). The limit locking mechanism (3) includes a first abutting rod (31), a second abutting rod (32), a snap-fit ​​plate (33), and a locking rod (34). One end of the first abutting rod (31) is rotatably connected to the bottom of the side wall of one of the support rods (2) via a hinge. One end of the second abutting rod (32) is rotatably connected to the bottom of the side wall of another support rod (2) via a hinge. The other end of the first abutting rod (31) overlaps the bottom of the second abutting rod (32). The snap-fit ​​plate (33) is rotatably connected to the first abutting rod (31). The locking rod (34) is fixed to the second abutting rod (32). The snap-fit ​​plate (33) is snapped onto the locking rod (34).

2. The orthopedic foldable lower limb rehabilitation training frame according to claim 1, characterized in that, Rollers (35) are provided at the bottom of the rotating connection ends of the first abutment rod (31), the second abutment rod (32) and the support rod (2).

3. The orthopedic foldable lower limb rehabilitation training frame according to claim 1, characterized in that, The snap-fit ​​plate (33) has a snap-fit ​​groove (36) at one end near the locking rod (34). The snap-fit ​​groove (36) has a protruding structure and is combined with the snap-fit ​​plate (33) to form an L-shaped structure. The locking rod (34) is snapped into the snap-fit ​​groove (36).

4. The orthopedic foldable lower limb rehabilitation training frame according to claim 1, characterized in that, The snap-fit ​​plate (33) has an abutment surface (37) at the bottom of one end near the locking rod (34). The abutment surface (37) has an inclined structure and slides against the locking rod (34).

5. The orthopedic foldable lower limb rehabilitation training frame according to claim 1, characterized in that, Both the first abutting rod (31) and the snap-fit ​​plate (33) are provided with a mating rod (38) on their side walls, and a return spring (39) is connected between two adjacent mating rods (38).

6. The orthopedic foldable lower limb rehabilitation training frame according to claim 1, characterized in that, A positioning rod (310) is also fixed on the side wall of the first abutting rod (31), and the snap-fit ​​plate (33) abuts against the positioning rod (310).

7. A foldable lower limb rehabilitation training frame for orthopedics according to claim 1, characterized in that, The limiting locking mechanism (3) is symmetrically arranged in two sets, and a first connecting rod (4) is fixed between the first abutting rod (31) and the second abutting rod (32) of the two adjacent sets of limiting locking mechanisms (3), and a second connecting rod (5) is fixed between the two adjacent snap plates (33).

8. A foldable lower limb rehabilitation training frame for orthopedics according to claim 1, characterized in that, The top of the support platform (1) is fixed with a grip handle (6), and there are two grip handles (6) arranged symmetrically and in an elliptical shape.

9. A foldable lower limb rehabilitation training frame for orthopedics according to claim 1, characterized in that, An adjusting rod (7) is provided at the center of the support rod (2). The upper and lower sections of the support rod (2) are slidably connected to the adjusting rod (7) and are locked in an adjustable manner by bolts.

10. A foldable lower limb rehabilitation training frame for orthopedics according to claim 1, characterized in that, The top of the support platform (1) is entirely covered with a rubber pad, and memory foam is filled inside the rubber pad.