Lower limb rehabilitation bicycle

Abstract

The utility model discloses a lower limb rehabilitation bicycle which comprises a base, an adjusting plate is arranged at the top end of the base in a sliding mode, a fixing base is fixedly connected to the top end of the adjusting plate, a connecting base is rotationally connected to the fixing base, a rotating shaft is rotationally connected to the connecting base, rotating plates are fixedly connected to the two ends of the rotating shaft, and pedal plates are rotationally connected to the two rotating plates. A round base is fixedly connected to the rotating shaft, a plurality of first fixing grooves are formed in the connecting base in a circular array mode, first screws matched with the first fixing grooves are in threaded connection to the fixing base, a fixing column is installed on one side of the top end of the base, a sliding groove is formed in the side end of the fixing column, and a two-way screw rod is rotationally connected into the sliding groove. Two sliding seats are symmetrically connected to the outer portion of the two-way screw in a threaded mode, clamping seats are fixedly connected to the side ends of the two sliding seats, and clamping grooves are formed in the opposite ends of the two clamping seats, so that the lower limb rehabilitation training device is convenient to carry and put on a sickbed, and a patient can conveniently lie on the sickbed to conduct lower limb rehabilitation training.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, and more particularly to a bicycle for lower limb rehabilitation. Background Art

[0002] Lower limb rehabilitation training refers to physical training that is beneficial to restoring or improving lower limb function after lower limb injury. It is usually suitable for patients in the recovery period after lower limb injury. The most commonly used training equipment is the rehabilitation training bicycle.

[0003] Most of the existing lower limb rehabilitation bicycles are placed on the ground. The patient sits on the seat of the bicycle and places his two feet on the two pedals respectively. The two pedals are driven by the two feet to rotate to perform lower limb rehabilitation training. The existing lower limb rehabilitation bicycles have a large structure and are not convenient for lifting and moving. They are usually installed inside a rehabilitation room. However, some patients have difficulty walking due to illness and need to go to a rehabilitation room for lower limb training. It is inconvenient to place the lower limb rehabilitation bicycle on the bed according to the patient's needs, and it is not convenient for the patient to lie on the bed for lower limb rehabilitation training. Utility Model Content

[0004] In response to the problems existing in the existing technology, the utility model provides a lower limb rehabilitation bicycle to solve the technical problems mentioned in the background technology that it is inconvenient to lift and move the lower limb rehabilitation bicycle, it is inconvenient to place the lower limb rehabilitation bicycle on the hospital bed according to the patient's needs, and it is inconvenient for the patient to lie on the hospital bed for lower limb rehabilitation training.

[0005] The top end face of described sliding panel also is provided with an interlocking structure, and the interlocking structure of described sliding panel also is provided with an interlocking structure, and the interlocking structure of described sliding panel is that foot is rotated to the interlocking structure, and the interlocking structure is fixed with a foot pedal.

[0006] The utility model is further configured such that a convex groove is provided at the top of the base, a convex seat is slidingly provided inside the convex groove, and the top of the convex seat is fixedly connected to the bottom end of the adjustment plate, so as to facilitate adjustment of the angles of the round seat and the two foot pedals.

[0007] The present invention is further configured such that a plurality of second fixing grooves are evenly arranged at the bottom end of the convex groove, and a second screw adapted to the second fixing groove is threadedly connected to the convex seat, so as to facilitate fixing the fixing seat.

[0008] The utility model is further configured such that a first turning handle is fixedly connected to the side end of the bidirectional screw to facilitate rotation of the bidirectional screw.

[0009] The present invention is further configured such that a protective cover is installed on the connecting seat, and the protective cover covers the outside of the rotating seat to play a protective role.

[0010] The utility model is further configured as follows: a through slot is provided on the protective cover; a mounting seat is installed on the protective cover at a position corresponding to the through slot by a screw; a first screw is threadedly connected to the mounting seat; an adjustment seat is rotatably connected to the bottom end of the first screw; the adjustment seat is slidably fitted with the through slot; a brake disc adapted to the round seat is installed at the bottom end of the adjustment seat, so that the patient can adjust the resistance to the rotation of the round seat according to the intensity of exercise.

[0011] The present invention is further configured such that the top end of the first screw is fixedly connected to a second handle to facilitate rotation of the first screw.

[0012] The present invention is further configured such that the fixing column is fixedly connected to the base via a third screw, thereby facilitating assembly and disassembly of the fixing column.

[0013] Compared with the prior art, the present invention provides a lower limb rehabilitation bicycle with the following beneficial effects:

[0014] 1. Its structure is relatively simple and easy to carry. By rotating the bidirectional screw, the two slides and the two clamps are moved toward the middle, and the railings of the bed are clamped and fixed by the two clamps, so that it is easy to fix it firmly on the bed, so that the patient can lie on the bed for lower limb rehabilitation training.

[0015] 2. The adjustment plate and the base slide together to facilitate the adjustment of the position of the footrest according to the position of the patient's feet. The connecting seat and the fixed seat are rotatably connected to facilitate the rotation of the connecting seat, and the height of the two footrests can be adjusted according to the patient's needs, thereby improving its practicality.

[0016] 3. By rotating the first screw, the first screw drives the adjustment seat to slide inside the through groove, and the adjustment seat drives the brake disc to move, thereby adjusting the friction between the brake disc and the round seat. This makes it easy to adjust the friction between the brake disc and the round seat according to the patient's training intensity, and is suitable for people at different rehabilitation stages. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the front structure of a lower limb rehabilitation bicycle in the present utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the convex seat, adjustment plate, fixed seat, connecting seat and round seat in the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the connection between the connecting seat and the round seat in the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the protective cover in the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the connection between the mounting seat, the first screw, the adjustment seat and the brake disc in the utility model;

[0022] Figure 6 It is a schematic structural diagram of the connection of the fixed column, bidirectional screw, two sliding seats and two clamping seats in the utility model.

[0023] In the figure: 1. Base; 2. Adjustment plate; 3. Fixed seat; 4. Connecting seat; 5. Rotating shaft; 6. Rotating plate; 7. Pedal; 8. Round seat; 9. First fixing slot; 10. First screw; 11. Fixed column; 12. Slide slot; 13. Bidirectional screw; 14. Slide seat; 15. Clamp seat; 16. Clamp slot; 17. Convex slot; 18. Convex seat; 19. Second fixing slot; 20. Second screw; 21. First turning handle; 22. Protective cover; 23. Through slot; 24. Mounting seat; 25. First screw; 26. Adjustment seat; 27. Brake disc; 28. Second turning handle; 29. ​​Third screw. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0026] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0027] See also Figures 1-6A bicycle for rehabilitation of lower limbs includes a base 1, an adjusting plate 2 is slidingly provided on the top of the base 1, a fixing seat 3 is fixedly connected to the top of the adjusting plate 2, a connecting seat 4 is rotatably connected to the fixing seat 3, a rotating shaft 5 is rotatably connected to the connecting seat 4, a rotating shaft 5 is fixedly connected to both ends of the rotating shaft 5, a rotating plate 6 is fixedly connected to the two rotating plates 6, a pedal 7 is rotatably connected to the two rotating plates 6, a round seat 8 is fixedly connected to the rotating shaft 5, a plurality of first fixing grooves 9 are provided in a circular array on the connecting seat 4, a first screw 10 adapted to the first fixing groove 9 is threadedly connected to the fixing seat 3, the first screw 10 is rotated to insert the side end of the first screw 10 into the corresponding first The interior of the fixing groove 9 is convenient for fixing the connecting seat 4. A fixing column 11 is installed on one side of the top of the base 1. The fixing column 11 is fixedly connected to the base 1 by a third screw 29, which is convenient for disassembly and assembly of the fixing column 11. A slide groove 12 is provided on the side end of the fixing column 11. The internal rotation of the slide groove 12 is connected to a bidirectional screw 13. The side end of the bidirectional screw 13 is fixedly connected to the first handle 21, which is convenient for rotation of the bidirectional screw 13. The external symmetrical threaded connection of the bidirectional screw 13 is connected to two slides 14. The side ends of the two slides 14 are fixedly connected to a clamping seat 15, and the opposite ends of the two clamping seats 15 are provided with a clamping groove 16.

[0028] Specifically, the structure is relatively simple and easy to carry. By rotating the bidirectional screw 13, the two slides 14 and the two clamping seats 15 are moved toward the middle, and the railings of the bed are clamped and fixed by the two clamping seats 15, so that it is convenient to fix it firmly on the bed, so that it is convenient for the patient to lie on the bed for lower limb rehabilitation training. The adjustment plate 2 slides with the base 1 to adjust the position of the footrest 7 according to the position of the patient's foot. The connecting seat 4 is rotatably connected to the fixed seat 3, so that the connecting seat 4 is easy to rotate, and the height of the two footrests 7 can be adjusted according to the patient's usage needs, thereby improving its practicality.

[0029] See also Figure 1 and Figure 2 A convex groove 17 is provided at the top of the base 1, and a convex seat 18 is slidingly provided inside the convex groove 17. The top of the convex seat 18 is fixedly connected to the bottom end of the adjustment plate 2, and a plurality of second fixing grooves 19 are evenly provided at the bottom end of the convex groove 17. The convex seat 18 is threadedly connected with a second screw 20 that is compatible with the second fixing groove 19.

[0030] Specifically, by sliding the convex seat 18 inside the convex groove 17, it is convenient to adjust the positions of the adjustment plate 2, the fixing seat 3, the connecting seat 4 and the foot pedal 7, so that the foot pedal 7 can be adjusted to a position where the patient's foot can be trained. By tightening the second screw 20, the bottom end of the second screw 20 is inserted into the corresponding second fixing groove 19, so that the convex seat 18, the adjustment plate 2, the fixing seat 3, the adjustment seat 26 and the two foot pedals 7 are fixed.

[0031] See also Figure 1 、 Figure 4 and Figure 5 A protective cover 22 is installed on the connecting seat 4, and the protective cover 22 covers the outside of the rotating seat. The protective cover 22 plays a protective role. During the rotation of the round seat 8, damage to the patient's legs is avoided. A through slot 23 is provided on the protective cover 22, and a mounting seat 24 is installed on the protective cover 22 at a position corresponding to the through slot 23 by a screw. A first screw rod 25 is threadedly connected to the mounting seat 24, and the bottom end of the first screw rod 25 is rotatably connected to an adjusting seat 26, which slides with the through slot 23. A brake disc 27 adapted to the round seat 8 is installed at the bottom end of the adjusting seat 26, which is convenient for the patient to adjust the resistance to the rotation of the round seat 8 according to the intensity of exercise. The top of the first screw rod 25 is fixedly connected to the second turning handle 28, which is convenient for rotating the first screw rod 25.

[0032] Specifically, by rotating the first screw 25, the first screw 25 rotates and drives the adjustment seat 26 to slide inside the through groove 23, and the adjustment seat 26 drives the brake disc 27 to move, thereby adjusting the friction between the brake disc 27 and the round seat 8. This makes it easy to adjust the friction between the brake disc 27 and the round seat 8 according to the patient's training intensity, and is suitable for use by people at different rehabilitation stages.

[0033] In summary, when the overall equipment is in use:

[0034] When the patient needs to lie on the bed for lower limb training, he is placed on the bed with the two steps located on both sides of the bed railing. By rotating the bidirectional screw 13, the bidirectional screw 13 rotates to move the two slides 14 and the two clamping seats 15 toward the middle, and the bed railings are clamped and fixed by the two clamping seats 15, so as to facilitate the patient to be firmly fixed on the bed. Then, the convex seat 18 is rotated inside the convex groove 17 to adjust the two footrests 7 to a suitable position. By rotating the connecting seat 4 and the fixing seat 3, the height of the two footrests 7 is adjusted to a suitable position, and then the first screw 10 and the second screw 20 are tightened. , insert the first screw 10 and the second screw 20 into the corresponding first fixing groove 9 and second fixing groove 19 respectively to fix the connecting seat 4 and the convex seat 18, and then rotate the first screw 25. The rotation of the first screw 25 drives the adjustment seat 26 to slide inside the through groove 23, and the adjustment seat 26 drives the brake disc 27 to move. The friction between the brake disc 27 and the round seat 8 is adjusted according to the patient's training intensity. Then, the patient's two feet step on the two foot pedals 7. Corresponding fixing belts can be installed on the foot pedals 7 to fix the patient's feet. The patient's two feet drive the rotating shaft 5 and the round seat 8 to rotate to perform lower limb training;

[0035] When the patient sits on the chair for training, he is placed on one side of the chair on the base 1, and the two clamping seats 15 clamp the legs of the chair. Then the patient sits on the chair and uses his feet to push the two pedals 7 to rotate the round seat 8 to perform lower limb training.

[0036] In all the schemes mentioned above, the connection between the two components can be selected according to actual conditions by welding, bolt and nut connection, bolt or screw connection or other well-known connection methods, which will not be listed here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A lower limb rehabilitation bicycle, comprising a base (1), characterized in that: The top of the base (1) is slidably provided with an adjustment plate (2), the top of the adjustment plate (2) is fixedly connected to a fixed seat (3), the fixed seat (3) is rotatably connected to a connecting seat (4), the connecting seat (4) is rotatably connected to a rotating shaft (5), both ends of the rotating shaft (5) are fixedly connected to rotating plates (6), the two rotating plates (6) are rotatably connected to pedals (7), the rotating shaft (5) is fixedly connected to a round seat (8), the connecting seat (4) is provided with a plurality of first fixing grooves (9) in a circular array, the fixed seat (3) is threadedly connected with a first screw (10) adapted to the first fixing groove (9), a fixing column (11) is installed on one side of the top end of the base (1), a slide groove (12) is provided at the side end of the fixing column (11), the inside of the slide groove (12) is rotatably connected with a bidirectional screw (13), the outside of the bidirectional screw (13) is symmetrically threadedly connected with two slides (14), the side ends of the two slides (14) are fixedly connected with a clamping seat (15), and the two clamping seats (15) are provided with a clamping groove (16) at one opposite end.

2. A lower limb rehabilitation bicycle according to claim 1, characterized in that: The top end of the base (1) is provided with a convex groove (17), a convex seat (18) is slidably provided inside the convex groove (17), and the top end of the convex seat (18) is fixedly connected to the bottom end of the adjustment plate (2).

3. A lower limb rehabilitation bicycle according to claim 2, characterized in that: A plurality of second fixing grooves (19) are evenly arranged at the bottom end of the convex groove (17), and a second screw (20) adapted to the second fixing groove (19) is threadedly connected to the convex seat (18).

4. The lower limb rehabilitation bicycle according to claim 1, characterized in that: The side end of the bidirectional screw (13) is fixedly connected to a first turning handle (21).

5. The lower limb rehabilitation bicycle according to claim 1, characterized in that: A protective cover (22) is installed on the connecting seat (4), and the protective cover (22) covers the outside of the rotating seat.

6. The lower limb rehabilitation bicycle according to claim 5, characterized in that: The protective cover (22) is provided with a through slot (23), and a mounting seat (24) is installed at a position corresponding to the through slot (23) on the protective cover (22) by screws, and a first screw rod (25) is threadedly connected to the mounting seat (24), and the bottom end of the first screw rod (25) is rotatably connected to an adjustment seat (26), and the adjustment seat (26) is slidably matched with the through slot (23), and a brake disc (27) adapted to the round seat (8) is installed at the bottom end of the adjustment seat (26).

7. The lower limb rehabilitation bicycle according to claim 6, characterized in that: The top end of the first screw rod (25) is fixedly connected to a second turning handle (28).

8. The lower limb rehabilitation bicycle according to claim 1, characterized in that: The fixing column (11) is fixedly connected to the base (1) via a third screw (29).

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