Lower limb rehabilitation training device based on rope driving

Abstract

The utility model provides a lower limb rehabilitation training device based on rope driving, which comprises a supporting bottom frame, a bed body arranged on the upper side of the supporting bottom frame, a waist fixing piece arranged on the upper side of the bed body, a leg fixing piece rotationally connected with the right side of the waist fixing piece, and a group of driving devices arranged on the lower side of the bed body, the lower side of the waist fixing frame is provided with a set of connecting pieces, the outer side of each connecting piece is provided with a driving device matching wheel, the connecting pieces and the leg fixing pieces are rotationally connected through the driving device matching wheels, each connecting piece is further provided with a handrail, the outer side of the waist fixing frame is provided with a set of limiting blocks, and a suspension protector is arranged in the waist fixing frame. And the suspension protector is connected with the bed body through a rope. According to the lower limb rehabilitation training device, the weight of the executing mechanism is reduced, the training effect of the executing mechanism is better, the lower limb rehabilitation training device is convenient to replace, maintain and maintain, and the executing mechanism with multiple connecting rods is lighter in texture and lower in manufacturing cost.

Description

Technical Field

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

[0002] Rehabilitation training refers to physical activities that are beneficial to the recovery or improvement of function after injury. Except for serious injuries that require rest and treatment, general injuries do not require a complete stop of physical exercise. Appropriate and scientific physical exercise has a positive effect on the rapid healing of injuries and the promotion of functional recovery.

[0003] The existing lower limb rehabilitation training devices on the market are usually a model in which the drive and the actuator are integrated. This will cause the actuator to feel a bit clumsy when moving, resulting in poor training effects. Secondly, the training devices on the market are relatively single and not flexible enough, and cannot better meet the user's needs. For this reason, the inventor proposed a lower limb rehabilitation training device based on rope drive. Utility Model Content

[0004] The utility model provides a lower limb rehabilitation training device based on rope drive, comprising a support frame, a bed body is arranged on the upper side of the support frame, a waist fixing piece is arranged on the upper side of the bed body, the right side of the waist fixing piece is rotatably connected to the leg fixing piece, and a group of driving devices is arranged on the lower side of the bed body;

[0005] The waist fixing part comprises a waist fixing frame, a group of connecting parts are arranged on the lower side of the waist fixing frame, a driving device matching wheel is arranged on the outer side of each connecting part, the connecting part and the leg fixing part are rotatably connected through the driving device matching wheel, each connecting part is also provided with an armrest, a group of limiting blocks are arranged on the outer side of the waist fixing frame, a suspension protective gear is arranged in the waist fixing frame, and the suspension protective gear is connected to the bed body through a rope.

[0006] Preferably, the leg fixing member comprises a group of thigh connecting rods, each of the thigh connecting rods is connected to an intermediate connecting seat at the lower side, the intermediate connecting seat is connected to a calf connecting rod at the lower side, and the calf connecting rod is connected to a foot support seat at the lower side.

[0007] Preferably, a first reinforcement plate is provided on the inner side and the outer side of every two adjacent thigh connecting rods.

[0008] Preferably, a second reinforcement plate is provided on the outer sides of every two adjacent calf connecting rods.

[0009] Preferably, both the thigh connecting rod and the calf connecting rod are provided with lifting protective gear.

[0010] Preferably, a third reinforcement plate is provided at the connection between the thigh connecting rod and the calf connecting rod.

[0011] Preferably, the driving device includes a mounting base, a driving motor is provided on the right side of the mounting base, a tensioning frame is provided on the left side of the driving motor, the tensioning frame is fixedly connected to the mounting base, the output end of the driving motor is fixedly connected to a ball screw, a rope locking frame is provided on the outer end surface of the ball screw, the rope locking frame is meshingly connected to the ball screw, and a group of guide members are provided on the left side of the mounting base.

[0012] Preferably, the tensioning frame, the rope locking frame, the guide member and the driving device matching wheel are all connected by a driving rope.

[0013] Preferably, a hydraulic cylinder is provided inside the supporting frame, the hydraulic cylinder is obliquely mounted on the supporting frame, and the output end of the hydraulic cylinder is fixedly connected to the bottom of the bed.

[0014] Preferably, a group of universal wheels are provided on the lower side of the supporting frame.

[0015] Beneficial effects of the utility model: the lower limb rehabilitation training device of the utility model adopts a rope-driven method to separate the driving mechanism and the actuator, thereby reducing the weight of the actuator and making the training effect of the actuator better. Secondly, the execution part of the utility model adopts a multi-link structure, which is convenient for users to replace, maintain and maintain the product, and the multi-link actuator is lighter and less expensive. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] in:

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the connection structure of the waist fixing member and the leg fixing member;

[0020] Figure 3 It is a three-dimensional diagram of the driving device in the utility model. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the terms in the present invention can be understood according to specific circumstances.

[0024] like Figures 1 to 3 As shown, a rope-driven lower limb rehabilitation training device includes a support frame 1, a bed body 2 is provided on the upper side of the support frame 1, a hydraulic cylinder 6 is provided inside the support frame 1, and the hydraulic cylinder 6 is obliquely installed on the support frame 1. A group of universal wheels 7 is provided on the lower side of the support frame 1. When in use, the bed body is rotated by the hydraulic cylinder, and its maximum angle can be rotated to 90°, thereby realizing rehabilitation training in both lying and standing positions.

[0025] A waist fixing part 3 is provided on the upper side of the bed body 2, and the waist fixing part 3 includes a waist fixing frame 3.1. Two connecting parts 3.2 are provided on the lower side of the waist fixing frame 3.1, and the two connecting parts 3.2 are symmetrically arranged. A driving device matching wheel 3.3 is provided on the outer side of each connecting part 3.2. The connecting part 3.2 and the leg fixing part 4 are rotatably connected through the driving device matching wheel 3.3. Each connecting part 3.2 is also provided with an armrest 3.4, and the armrest 3.4 can better help the patient support. A group of limit blocks 3.5 are provided on the outer side of the waist fixing frame 3, and the limit blocks 3.5 can limit the rotation angle of the leg fixing part 4. A suspension protector 8 is provided in the waist fixing frame 3, and the suspension protector 8 is connected to the bed body 2 through a rope.

[0026] The right side of the waist fixing part 3 is rotatably connected to the leg fixing part 4, and the leg fixing part 4 includes two thigh connecting rods 4.1 which are symmetrical on the left and right. The lower side of each thigh connecting rod 4.1 is connected to the middle connecting seat 4.2, and the lower side of the middle connecting seat 4.2 is connected to the calf connecting rod 4.3, and the lower side of the calf connecting rod 4.3 is connected to the foot support seat 4.4. The inner and outer sides of every two adjacent thigh connecting rods 4.1 are provided with a first reinforcement plate 4.5, and the outer sides of every two adjacent calf connecting rods 4.3 are provided with a second reinforcement plate 4.6. The connection between the thigh connecting rod 4.1 and the calf connecting rod 4.3 is provided with a third reinforcement plate 4.8, and the thigh connecting rod 4.1 and the calf connecting rod 4.3 are provided with a lifting guard 4.7. The fixing structure designed in this way is more compact and firm, and the rods of each part are more convenient to replace.

[0027] A group of driving devices 5 are provided at the lower side of the bed body 2, and the driving device 5 includes a mounting base 5.1, a driving motor 5.2 is provided on the right side of the mounting base 5.1, a tensioning frame 5.3 is provided on the left side of the driving motor 5.2, the tensioning frame 5.3 is fixedly connected to the mounting base 5.1, the output end of the driving motor 5.2 is fixedly connected to the ball screw 5.4, the outer end surface of the ball screw 5.4 is provided with a rope locking frame 5.5, the rope locking frame 5.5 is meshed and connected with the ball screw 5.4, and the rope locking frame 5.5 is horizontally displaced by the rotation of the ball screw 5.4 during use, and a group of guide members 5.6 are provided on the left side of the mounting base 5.1. The tensioning frame 5.3, the rope locking frame 5.5, the guide member 5.6 and the driving device matching wheel 3.3 are all connected by a driving rope, and the driving device matching wheel 3.3 is driven to rotate by the movement of the rope locking frame 5.5 during use.

[0028] Beneficial effects of the utility model: the lower limb rehabilitation training device of the utility model adopts a rope-driven method to separate the driving mechanism and the actuator, thereby reducing the weight of the actuator and making the training effect of the actuator better. Secondly, the execution part of the utility model adopts a multi-link structure, which is convenient for users to replace, maintain and maintain the product, and the multi-link actuator is lighter and less expensive.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A lower limb rehabilitation training device based on rope drive, characterized in that: It comprises a supporting frame, a bed body is arranged on the upper side of the supporting frame, a waist fixing part is arranged on the upper side of the bed body, the right side of the waist fixing part is rotatably connected to the leg fixing part, and a group of driving devices is arranged on the lower side of the bed body; The waist fixing part comprises a waist fixing frame, a group of connecting parts are arranged on the lower side of the waist fixing frame, a driving device matching wheel is arranged on the outer side of each connecting part, the connecting part and the leg fixing part are rotatably connected through the driving device matching wheel, each connecting part is also provided with an armrest, a group of limiting blocks are arranged on the outer side of the waist fixing frame, a suspension protective gear is arranged in the waist fixing frame, and the suspension protective gear is connected to the bed body through a rope.

2. A rope-driven lower limb rehabilitation training device according to claim 1, characterized in that: The leg fixing member comprises a group of thigh connecting rods, each of which is connected to an intermediate connecting seat at its lower side, the intermediate connecting seat is connected to a calf connecting rod at its lower side, and the calf connecting rod is connected to a foot supporting seat at its lower side.

3. A rope-driven lower limb rehabilitation training device according to claim 2, characterized in that: The inner side and the outer side of every two adjacent thigh connecting rods are provided with a first reinforcing plate.

4. The rope-driven lower limb rehabilitation training device according to claim 2, characterized in that: A second reinforcement plate is provided on the outer sides of every two adjacent calf connecting rods.

5. The rope-driven lower limb rehabilitation training device according to claim 2, characterized in that: The thigh connecting rod and the calf connecting rod are both provided with lifting protective gear.

6. The rope-driven lower limb rehabilitation training device according to claim 2, characterized in that: A third reinforcement plate is provided at the connection between the thigh connecting rod and the calf connecting rod.

7. The rope-driven lower limb rehabilitation training device according to claim 1, characterized in that: The driving device includes a mounting base, a driving motor is provided on the right side of the mounting base, a tensioning frame is provided on the left side of the driving motor, the tensioning frame is fixedly connected to the mounting base, the output end of the driving motor is fixedly connected to a ball screw, a rope locking frame is provided on the outer end surface of the ball screw, the rope locking frame is meshed with the ball screw, and a group of guide members are provided on the left side of the mounting base.

8. The rope-driven lower limb rehabilitation training device according to claim 7, characterized in that: The tensioning frame, the rope locking frame, the guide member and the driving device matching wheel are all connected by a driving rope.

9. The rope-driven lower limb rehabilitation training device according to claim 1, characterized in that: A set of universal wheels is arranged on the lower side of the supporting chassis.

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