Lower limb joint rehabilitation exercise device

Abstract

The utility model discloses a lower limb joint rehabilitation exerciser, which belongs to the technical field of lower limb joint rehabilitation and comprises a base, a movable frame for supporting is mounted at the top of the base, lock catch components for adjusting are mounted on two sides of the movable frame respectively, and a training component for exercising lower limb joints is mounted at the top of the movable frame. A transverse plate used for supporting is connected to one side of the movable frame, a driven assembly matched with the training assembly is installed at the top of the transverse plate, the lock catch assembly can be locked and fixed after the position of the movable frame is adjusted, the movable frame can adapt to users of different heights for rehabilitation training, and the problems that an existing training device is inconvenient to adjust the position, and the training efficiency is high are solved. The problems that in the prior art, users of different heights cannot conduct rehabilitation training conveniently, the training intensity of a training device is single, the different intensity cannot be adjusted for rehabilitation training, and the practicability of lower limb rehabilitation training of equipment is affected are solved.

Description

Technical Field

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

[0002] The joint rehabilitation exerciser has the function of helping the joints to quickly resume their activities after surgery. The knee, ankle, shoulder and elbow joints can move freely after recovery. The device simulates the natural movement of the human body, stimulates the natural resilience of the human body, exerts the compensatory effect of tissues, and performs lower limb joint function recovery training. In clinical application, it is safe, practical, painless, and patient-friendly. It has the advantages of a large range of joint movement, effective elimination of joint adhesions and necrotic joint survival, wound healing and swelling reduction, promotion of self-repair of damaged articular cartilage, and facilitation of the transformation of transplanted periosteum into transparent articular cartilage. Lower limb joint training is particularly important in the rehabilitation training process, while existing training devices are usually installed and fixed with bolts, which is inconvenient to adjust and is not conducive to use by users of different heights.

[0003] Existing training devices are usually fixed by bolts or welding, and the position adjustment is inconvenient, which is not conducive to rehabilitation training for users of different heights. The training intensity of the training device is single, and different intensities cannot be adjusted for rehabilitation training, which affects the practicality of the equipment for lower limb rehabilitation training. Therefore, technical personnel in this field provide a lower limb joint rehabilitation exerciser to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a lower limb joint rehabilitation exerciser to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lower limb joint rehabilitation exerciser, comprising a base, a movable frame for supporting is installed on the top of the base, locking components for adjusting are installed on both sides of the movable frame, a training component for exercising lower limb joints is installed on the top of the movable frame, a horizontal board for supporting is connected to one side of the movable frame, and a driven component cooperating with the training component is installed on the top of the horizontal board;

[0006] The training component includes a fixed frame installed on the top of the movable frame for support, connecting rods for rotation are installed on both sides of the fixed frame, pedals for stepping are mounted on the outer sides of the connecting rods, a first gear plate for driving is fixedly installed between the two connecting rods, and the movable frame is slidably connected to the base.

[0007] Preferably: the driven component includes a sliding frame installed on the top of the cross plate for support, an adjusting component for adjusting the position of the sliding frame is installed at the bottom of the sliding frame, a plurality of second toothed discs arranged evenly are rotatably connected to the top of the sliding frame, a chain for driving is mounted on the outer side of the first toothed disc and the second toothed disc, the chain is engaged with the first toothed disc and the second toothed disc, and the diameters of the plurality of second toothed discs decrease successively.

[0008] Preferably: the locking assembly includes a mounting frame installed on the top of the movable frame and located on both sides of the fixed frame, a first screw rod for driving is penetrated through the inner side of the mounting frame, a connecting plate for connection is sleeved on the outer side of the first screw rod, a locking rod is connected to the bottom of the connecting plate, a plurality of locking grooves are evenly arranged on the top of the base and located on both sides of the movable frame, the first screw passes through the connecting plate and is screwed thereto, and the locking rod passes through the movable frame and is movably connected thereto.

[0009] Preferably: the adjustment component includes a movable through hole opened on the top of the horizontal plate to provide a movable space, the movable through hole passes through a second screw rod for driving, a movable block is connected to the outside of the second screw rod and located inside the movable through hole, the movable block is fixedly connected to the sliding frame, and the second screw rod passes through the movable block and is threadedly connected to the sliding frame.

[0010] Preferably, the bottom of the movable frame is connected to a limiting block, the top of the base is provided with a limiting groove for providing a sliding path, and the limiting block is slidably connected to the limiting groove.

[0011] Preferably, a gripping rod for holding is installed on the top of the base, and the cross-section of the gripping rod is U-shaped.

[0012] Preferably, both sides of the pedal are provided with a plurality of evenly arranged anti-slip grooves.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, by arranging a movable frame and a cross board, the user can sit on the base, and then put his feet on the pedals, and use the training component and the driven component to perform rehabilitation training. The locking component can be locked and fixed after adjusting the position of the movable frame to prevent the movable frame from shaking or shifting. At the same time, it is also convenient for the movable frame to adapt to users of different heights for rehabilitation training. Stepping on the pedal drives the first toothed disc to rotate through the connecting rod, and then the first toothed disc drives the second toothed disc to rotate through the chain. The intensity of the rehabilitation training is adjusted by putting the chain on the outside of the second toothed discs of different diameters, so that the training component can be adapted to different rehabilitation periods or different strength groups for use.

[0015] 2. In the utility model, by setting a mounting frame, a first screw rod and a locking rod, the first screw rods on the two mounting frames can drive the connecting plate to move up and down, and the connecting plate can drive the locking rod to move up and down in the movable frame, so that the two locking rods are inserted into the locking grooves at different positions to lock and fix the movable frame, thereby improving the stability and convenience of installing the movable frame.

[0016] 3. In the utility model, by setting a second screw rod, the second screw rod can be used to drive the moving block to slide in the movable through hole, and at the same time the moving block can drive the second toothed disc on the top of the sliding frame to change its position, so as to facilitate the installation and maintenance of the chain and improve the convenience of installing the chain on the second toothed discs of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a front cutaway stereoscopic view of the overall structure of the utility model;

[0019] Figure 3 It is a left-side cutaway stereoscopic view of the overall structure of the utility model;

[0020] Figure 4 The overall structure of the utility model Figure 2 Enlarged view of point A in the middle;

[0021] Figure 5 The overall structure of the utility model Figure 3 Enlarged view of point B in the middle.

[0022] In the figure: 1. base; 2. movable frame; 3. horizontal plate; 4. fixed frame; 5. connecting rod; 6. pedal; 7. first gear plate; 8. sliding frame; 9. second gear plate; 10. chain; 11. mounting frame; 12. first screw rod; 13. connecting plate; 14. locking rod; 15. locking groove; 16. movable through hole; 17. second screw rod; 18. moving block; 19. limiting block; 20. limiting groove; 21. grip; 22. anti-slip pattern. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 to Figure 5In an embodiment of the utility model, a lower limb joint rehabilitation exerciser includes a base 1, a movable frame 2 for supporting is installed on the top of the base 1, locking components for adjustment are installed on both sides of the movable frame 2, a training component for exercising the lower limb joints is installed on the top of the movable frame 2, a horizontal plate 3 for supporting is connected to one side of the movable frame 2, a driven component cooperating with the training component is installed on the top of the horizontal plate 3, the training component includes a fixed frame 4 installed on the top of the movable frame 2 for supporting, connecting rods 5 for rotation are installed on both sides of the fixed frame 4, a pedal 6 for stepping on is mounted on the outer side of the connecting rod 5, and a first gear plate 7 for driving is fixedly installed between the two connecting rods 5.

[0025] When in use, rehabilitation training is performed using the training component and the driven component. The locking component can be locked and fixed after the position of the movable frame 2 is adjusted to prevent the movable frame 2 from shaking or shifting. At the same time, it is also convenient for the movable frame 2 to adapt to rehabilitation training for users of different heights.

[0026] In one embodiment, specifically, the driven component includes a sliding frame 8 installed on the top of the cross plate 3 for support, an adjusting component for adjusting the position of the sliding frame 8 is installed at the bottom of the sliding frame 8, and a plurality of second sprockets 9 arranged evenly are rotatably connected to the top of the sliding frame 8. A chain 10 for driving is mounted on the outer side of the first sprocket 7 and the second sprocket 9, and the chain 10 is engaged with the first sprocket 7 and the second sprocket 9, and the diameters of the plurality of second sprockets 9 decrease successively.

[0027] Among them, the pedal 6 drives the first sprocket 7 to rotate through the connecting rod 5, and then the first sprocket 7 drives the second sprocket 9 to rotate through the chain 10. The intensity of the rehabilitation training is adjusted by putting the chain 10 on the outside of the second sprocket 9 with different diameters, so that the training component can be adapted to different rehabilitation periods or different strength groups.

[0028] Furthermore, the locking assembly includes a mounting frame 11 installed on the top of the movable frame 2 and located on both sides of the fixed frame 4, a first screw 12 for driving is penetrated on the inner side of the mounting frame 11, a connecting plate 13 for connection is sleeved on the outer side of the first screw 12, a locking rod 14 is connected to the bottom of the connecting plate 13, and a plurality of locking grooves 15 are evenly arranged on the top of the base 1 and located on both sides of the movable frame 2, the first screw 12 penetrates the connecting plate 13 and is screwed thereto, and the locking rod 14 penetrates the movable frame 2 and is movably connected thereto.

[0029] In one embodiment, specifically, the first screw rods 12 on the two mounting frames 11 can drive the connecting plate 13 to move up and down, and the connecting plate 13 can drive the locking rod 14 to move up and down in the movable frame 2, so that the two locking rods 14 are inserted into the locking grooves 15 at different positions to lock and fix the movable frame 2, thereby improving the stability and convenience of installing the movable frame 2.

[0030] The adjustment component includes an active through hole 16 provided at the top of the horizontal plate 3 for providing a movable space, the active through hole 16 penetrates a second screw 17 for driving, a moving block 18 is connected to the outside of the second screw 17 and located inside the active through hole 16, the moving block 18 is fixedly connected to the sliding frame 8, the second screw 17 penetrates the moving block 18 and is screwed thereto, the second screw 17 can drive the moving block 18 to slide in the active through hole 16, and the moving block 18 can drive the second toothed disc 9 at the top of the sliding frame 8 to change its position

[0031] In one embodiment, specifically, the bottom of the movable frame 2 is connected to a limiting block 19, and the top of the base 1 is provided with a limiting groove 20 for providing a sliding path. The limiting block 19 is slidably connected to the limiting groove 20, and the limiting groove 20 can guide and limit the limiting block 19 to prevent the movable frame 2 from deflecting or shaking.

[0032] A gripping rod 21 for holding is installed on the top of the base 1. The cross section of the gripping rod 21 is U-shaped, which can facilitate the user to hold the gripping rod 21 in his hand, so as to support the upper limbs or maintain the balance of the upper limbs.

[0033] In one embodiment, specifically, a plurality of evenly arranged anti-slip grooves 22 are respectively provided on both sides of the pedal 6 to prevent sliding when the pedal 6 is stepped on.

[0034] The working principle of this utility model:

[0035] First, the movable frame 2 is moved on the base 1, and then the first screw rod 12 is moved on the mounting frame 11, and then the first screw 12 drives the connecting plate 13 to move downward, and then the connecting plate 13 drives the locking rod 14 to pass through the movable frame 2 and insert it downward into the locking groove 15, at this time, the two locking rods 14 are inserted into the locking groove 15 to lock and fix the movable frame 2, and then the chain 10 is adjusted according to the training intensity to be sleeved on the outside of the second toothed disc 9 with different diameters, and then the second screw rod 17 is rotated to drive the moving block 18 to slide in the movable through hole 16, and at the same time, the moving block 18 drives the second toothed disc 9 at the top of the sliding frame 8 to change its position, and then the chain 10 is sleeved on the outside of the second toothed disc 9, and then the user sits on the base 1, and then holds the grip rod 21 with his hand, and then steps on the pedal 6 with his foot, and then uses the pedal 6 to drive the first toothed disc 7 to rotate through the connecting rod 5, and then the first toothed disc 7 drives the second toothed disc 9 to rotate on the outside of the sliding frame 8 through the chain 10.

[0036] 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 joint rehabilitation exerciser, comprising a base (1), characterized in that: A movable frame (2) for supporting is installed on the top of the base (1), locking components for adjusting are installed on both sides of the movable frame (2), a training component for exercising the lower limb joints is installed on the top of the movable frame (2), a horizontal board (3) for supporting is connected to one side of the movable frame (2), and a driven component cooperating with the training component is installed on the top of the horizontal board (3); The training assembly comprises a fixed frame (4) installed on the top of the movable frame (2) for supporting, connecting rods (5) for rotating are installed on both sides of the fixed frame (4), pedals (6) for stepping on are mounted on the outer sides of the connecting rods (5), a first gear plate (7) for driving is fixedly installed between the two connecting rods (5), and the movable frame (2) is slidably connected to the base (1).

2. A lower limb joint rehabilitation exerciser according to claim 1, characterized in that: The driven component comprises a sliding frame (8) installed on the top of the transverse plate (3) for supporting, an adjusting component for adjusting the position of the sliding frame (8) is installed at the bottom of the sliding frame (8), a plurality of second toothed discs (9) arranged evenly are rotatably connected to the top of the sliding frame (8), a chain (10) for driving is mounted on the outer sides of the first toothed disc (7) and the second toothed disc (9), the chain (10) is meshed with the first toothed disc (7) and the second toothed disc (9), and the diameters of the plurality of second toothed discs (9) decrease in sequence.

3. A lower limb joint rehabilitation exerciser according to claim 1, characterized in that: The locking assembly comprises a mounting frame (11) mounted on the top of the movable frame (2) and located on both sides of the fixed frame (4); a first screw rod (12) for driving is penetrated on the inner side of the mounting frame (11); a connecting plate (13) for connecting is sleeved on the outer side of the first screw rod (12); a locking rod (14) is connected to the bottom of the connecting plate (13); a plurality of locking grooves (15) arranged evenly are respectively provided on the top of the base (1) and located on both sides of the movable frame (2); the first screw rod (12) penetrates the connecting plate (13) and is screwed thereto; and the locking rod (14) penetrates the movable frame (2) and is movably connected thereto.

4. A lower limb joint rehabilitation exerciser according to claim 2, characterized in that: The adjustment assembly comprises a movable through hole (16) provided at the top of the horizontal plate (3) for providing a movable space, the movable through hole (16) penetrates a second screw rod (17) for driving, a movable block (18) is connected to the outside of the second screw rod (17) and located inside the movable through hole (16), the movable block (18) is fixedly connected to the sliding frame (8), and the second screw rod (17) penetrates the movable block (18) and is screwed thereto.

5. The lower limb joint rehabilitation exerciser according to claim 1, characterized in that: The bottom of the movable frame (2) is connected to a limiting block (19), the top of the base (1) is provided with a limiting groove (20) for providing a sliding path, and the limiting block (19) is slidably connected to the limiting groove (20).

6. A lower limb joint rehabilitation exerciser according to claim 1, characterized in that: A gripping rod (21) for holding is installed on the top of the base (1), and the gripping rod (21) has a U-shaped cross section.

7. The lower limb joint rehabilitation exerciser according to claim 1, characterized in that: Both sides of the pedal (6) are respectively provided with a plurality of evenly arranged anti-skid grooves (22).

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