CN220294063U - Portable multifunctional lower limb training device - Google Patents
Portable multifunctional lower limb training device Download PDFInfo
- Publication number
- CN220294063U CN220294063U CN202321406790.4U CN202321406790U CN220294063U CN 220294063 U CN220294063 U CN 220294063U CN 202321406790 U CN202321406790 U CN 202321406790U CN 220294063 U CN220294063 U CN 220294063U
- Authority
- CN
- China
- Prior art keywords
- lower limb
- crankshaft
- frame
- pedal
- rotating sleeve
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- 210000003141 lower extremity Anatomy 0.000 title claims abstract description 36
- 238000012549 training Methods 0.000 title claims abstract description 22
- 210000003414 extremity Anatomy 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 claims description 21
- 238000003825 pressing Methods 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 208000016285 Movement disease Diseases 0.000 abstract description 4
- 210000004394 hip joint Anatomy 0.000 abstract description 4
- 210000000629 knee joint Anatomy 0.000 abstract description 4
- 206010019468 Hemiplegia Diseases 0.000 abstract description 3
- 206010008129 cerebral palsy Diseases 0.000 abstract description 3
- 210000000544 articulatio talocruralis Anatomy 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 210000002683 foot Anatomy 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 210000003423 ankle Anatomy 0.000 description 3
- 238000000554 physical therapy Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Rehabilitation Tools (AREA)
Abstract
The utility model relates to the technical field of medical equipment, in particular to a portable multifunctional lower limb training device, which comprises a frame, wherein a supporting rod is hinged on the frame, the end part of the supporting rod is rotationally connected with a crankshaft, both end parts of the crankshaft are hinged with pedal connecting rods, the other ends of the pedal connecting rods are in sliding connection with the frame, a pedal is fixedly connected on the pedal connecting rods, a patient can drive the crankshaft to rotate by stepping on the pedal, meanwhile, the other ends of the pedal connecting rods can slide along the frame, and lower limbs of the patient can do elliptical motion along with the pedal connecting rods and the pedal, so that hip joints, knee joints and ankle joints of the patient can be trained; the utility model has simple and ingenious structure, is convenient to carry and store, is convenient and comfortable to use, can adjust the rotation resistance of the crankshaft relative to the rotating sleeve according to the training requirement, and is very suitable for patients with limb movement disorder such as cerebral palsy, hemiplegia, thoracolumbar fracture and the like to carry out lower limb rehabilitation training.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a portable multifunctional lower limb training device.
Background
Patients with limb movement disorder need to realize rehabilitation through the movement training of the limb, but the rehabilitation is very difficult through the movement training of the limb only by the capability of the patient.
For this reason, chinese patent with publication number CN213100634U provides a lower limb rehabilitation physiotherapy bicycle, which comprises an upper bottom plate, wherein a bracket is fixedly arranged on the upper top surface of the upper bottom plate, a turntable is arranged on the bracket, and two sides of the turntable are respectively connected with a rotating pedal; the pre-tightening belt wraps the circumferential surface of the turntable, one end of the pre-tightening belt is fixedly connected with the upper bottom plate through a fixing ring, and the other end of the pre-tightening belt is connected to the tension adjusting piece through a hook ring; the tension adjusting piece is a stud, corresponding threads are arranged on the upper bottom plate, and the stud is screwed to realize tension adjustment of the pre-tightening belt.
The lower limb rehabilitation physiotherapy bicycle has the advantages of simple structure and low manufacturing cost, but when the lower limb rehabilitation exercise is performed, the hip joint/knee joint of a patient performs circular motion around the central axis of the bicycle, and the ankle part of the patient does not sufficiently move; this will influence patient's lower limb recovered effect, is unfavorable for patient's lower limb's whole recovered to this lower limb rehabilitation physiotherapy bicycle is whole not collapsible, is inconvenient for carrying and accomodating.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a portable multifunctional lower limb training device.
The technical scheme of the utility model is as follows:
the utility model provides a portable multifunctional lower limb training device which comprises a frame, wherein a supporting rod is hinged on the frame, the end part of the supporting rod is rotatably connected with a crankshaft, both end parts of the crankshaft are hinged with pedal connecting rods, the other end of each pedal connecting rod is in sliding connection with the frame, a pedal is fixedly connected on each pedal connecting rod, and a locking assembly is arranged at the joint of the supporting rod and the frame; after the locking component locks the support rod and the frame, a patient can drive the crankshaft to rotate by stepping on the pedal, meanwhile, the other end of the pedal connecting rod can slide along the frame, and the lower limb of the patient can do elliptical motion along with the pedal connecting rod and the pedal, so that the hip joint, the knee joint and the ankle of the patient can be trained; after the locking component releases the locking of the supporting rod and the frame, the supporting rod and the frame can be folded.
Further, the upper end part of the supporting rod is provided with a rotating sleeve fixedly connected with the supporting rod, the crankshaft is rotationally connected in the rotating sleeve, and the two end parts of the crankshaft are symmetrically arranged by taking the rotating sleeve as a center.
Further, the crankshaft is provided with a damping block in sliding connection with the outer side surface inside the rotating sleeve, and the outer side surface of the rotating sleeve is provided with a damping adjusting device corresponding to the damping block.
Further, the damping adjusting device comprises a pressing block, the pressing block is matched with the outer side surface of the damping block, and the outer side surface of the rotating sleeve corresponds to the pressing block and is matched with the damping bolt.
Further, the locking assembly comprises a hinge seat fixedly installed on the frame, the support rod is hinged with the hinge seat through a pin shaft, and a locking piece is arranged on the outer side of the hinge seat corresponding to the support rod.
Further, the locking piece include with articulated seat's lateral surface fixed connection's nut, the interior cooperation of nut installs the holding bolt.
Further, the frame comprises two cross bars which are arranged in parallel, and the positions between the two cross bars, which are close to the two ends of the cross bars, are fixedly connected through two connecting rods.
Further, the other end of the pedal connecting rod is in sliding connection with the connecting rod.
Further, the other end of the pedal connecting rod is rotatably connected with a pulley, and the pulley is in rolling contact with the connecting rod.
Further, a limiting ring which is rotationally connected with the pulley is arranged on the outer side of the connecting rod; one end of the connecting rod, which is close to the rotating sleeve, is provided with an upward arched bending part.
The beneficial effects achieved by the utility model are as follows:
the utility model has the advantages of convenient carrying and storage, the inner end part of the fastening bolt can release the locking of the supporting rod by screwing the fastening bolt, and the supporting rod can be integrally folded downwards, thereby being convenient for carrying or storage.
When the lower limb rehabilitation device is used, the supporting rod is rotated to a working position, then the fastening bolt is screwed, the inner end part of the fastening bolt can lock and fix the supporting rod, a patient can drive the crank shaft to rotate by taking the rotating sleeve as the center through the lower limb after fixing the foot part on the pedal, the other end of the pedal connecting rod can slide along the connecting rod while the crank shaft rotates, the lower limb of the patient can move along with the pedal connecting rod and the pedal in an elliptical manner, the design forms a crank connecting rod mechanism, the rehabilitation training of the lower limb of the patient is realized by using the movement track of the pedal connecting rod in the mechanism, the rehabilitation effect of the lower limb of the patient can be ensured, the hip joint, the knee joint and the ankle of the patient can all be better moved, and the whole rehabilitation of the lower limb of the patient is facilitated.
In the use process, the compression force of the pressing block and the damping block on the crankshaft can be adjusted through adjusting the damping bolt, so that the rotation resistance of the crankshaft relative to the rotating sleeve can be adjusted.
In conclusion, the lower limb rehabilitation training device has the advantages of simple and ingenious structure, convenience in carrying and storage, convenience and comfort in use, and capability of adjusting the rotation resistance of the crankshaft relative to the rotating sleeve according to the training requirement, and is very suitable for patients with limb movement disorders such as cerebral palsy, hemiplegia, thoracolumbar fracture and the like to carry out lower limb rehabilitation training.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a partially exploded view of the present utility model;
fig. 3 is a schematic view of the folded state of the present utility model.
Detailed Description
In order to facilitate understanding of the utility model by those skilled in the art, a specific embodiment of the utility model is described below with reference to the accompanying drawings.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
As shown in fig. 1-3, the utility model provides a portable multifunctional lower limb training device, which comprises a frame 1, wherein the frame 1 comprises two parallel cross bars 100, the positions, close to two ends, of the two cross bars 100 are symmetrically and fixedly connected through two connecting rods 101, the cross bars 100 and the connecting rods 101 can be fixedly connected in a welding connection mode, of course, other modes of riveting, bolting and the like can be adopted to form fixed connection, cushion blocks 102 fixedly connected with the two end parts of the cross bars 100 are arranged at the two end parts of the cross bars 100, the cushion blocks 102 can be made of wear-resistant materials with good anti-skidding performance, such as rubber and synthetic materials thereof, and the design can ensure the stability of the frame 1 in the use process.
As shown in fig. 1 and 3, a hinging seat 103 is fixedly connected in the middle of a cross rod 100 on a frame 1, a supporting rod 2 is hinged and connected in the hinging seat 103 through a pin 104, a nut 201 fixedly connected with the outer side surface of the hinging seat 103 corresponding to the supporting rod 2 is arranged, a fastening bolt 202 is matched and installed in the nut 201, when in use, by tightening the fixing bolt 202, the inner end of the fixing bolt 202 locks and fixes the support rod 2, and when carrying or storing the utility model, by tightening the fixing bolt 202, the inner end of the fixing bolt 202 releases the locking of the support rod 2, and the support rod 2 can be folded down integrally, thereby facilitating carrying or storing the utility model.
As shown in fig. 1 and 2, a rotating sleeve 203 fixedly connected with the upper end of a supporting rod 2 is arranged at the upper end of the supporting rod 2, a crankshaft 3 rotationally connected with the rotating sleeve 203 is arranged in the rotating sleeve 203, two ends of the crankshaft 3 are symmetrically arranged with the rotating sleeve 203 as a center, a damping block 204 is slidably connected with the outer side surface of the crankshaft 3 in the rotating sleeve 203, a pressing block 205 is cooperatively arranged on the outer side surface of the damping block 204, a damping bolt 206 is cooperatively arranged on the outer side surface of the rotating sleeve 203, and in the working process, the pressing force of the pressing block 205 and the damping block 204 on the crankshaft 3 can be adjusted by adjusting the damping bolt 206, so that the rotating resistance of the crankshaft 3 relative to the rotating sleeve 203 can be adjusted.
As shown in fig. 1, two ends of a crankshaft 3 are provided with pedal connecting rods 4 which are hinged with the pedal connecting rods, the pedal connecting rods 4 are fixedly connected with pedals 401, the other ends of the pedal connecting rods 4 are in sliding connection with connecting rods 101, in the use process, a patient fixes feet on the pedal 401 (the pedals and feet of the patient can be bound together by soft cloth, the feet of the patient can directly tread on the pedals without being limited to a specific fixing mode), then the crankshaft 3 can be driven by the pedals to rotate by taking a rotating sleeve 203 as a center through force of the lower limbs, the other ends of the pedal connecting rods 4 slide along the connecting rods 101 while the crankshaft 3 rotates, lower limbs of the patient can move along with the pedal connecting rods 4 and the pedals 401 in an elliptical manner.
As shown in fig. 1 and 3, the other end of the pedal connecting rod 4 is rotatably connected with a pulley 402, the pulley 402 is in rolling contact with the connecting rod 101, a limiting ring 403 rotatably connected with the pulley 402 is arranged on the outer side of the connecting rod 101, one end of the connecting rod 101, which is close to the rotating sleeve 203, is provided with an upward arched bending part 404, in the use process, the other end of the pedal connecting rod 4 can slide on the connecting rod 101 more easily through the rolling of the pulley 402 and the connecting rod 101, and the smoothness of sliding between the pedal connecting rod 4 and the connecting rod 101 is further improved through the arrangement of the arched bending part 404 on the connecting rod 101.
In summary, the present utility model has the advantage of convenient carrying and storage, and the inner end of the fastening bolt 202 releases the locking of the support bar 2 by fastening the fastening bolt 202, so that the support bar 2 can be folded down integrally, thereby facilitating carrying or storage of the present utility model.
When the utility model is used, the support rod 2 is rotated to a working position, then the fastening bolt 202 is screwed, the inner end part of the fastening bolt 202 can lock and fasten the support rod 2, after the foot part of a patient is fastened on the pedal 401, the patient can drive the crank shaft 3 to rotate by taking the rotating sleeve 203 as the center through the lower limb, the other end of the pedal connecting rod 4 can slide along the connecting rod 101 while the crank shaft 3 rotates, and the lower limb of the patient can move along with the pedal connecting rod 4 and the pedal 401 in an elliptical manner.
In the use process of the utility model, the pressing force of the pressing block 205 and the damping block 204 on the crankshaft 3 can be adjusted by adjusting the damping bolt 206, so that the rotation resistance of the crankshaft 3 relative to the rotating sleeve 203 can be adjusted.
In a word, the utility model has simple and ingenious structure, is convenient to carry and store, is convenient and comfortable to use, can adjust the rotation resistance of the crankshaft relative to the rotating sleeve according to the training requirement, and is very suitable for patients with limb movement disorder such as cerebral palsy, hemiplegia, thoracolumbar fracture and the like to carry out lower limb rehabilitation training.
The embodiments of the present utility model described above do not limit the scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model as set forth in the appended claims.
Claims (8)
1. A portable multi-functional low limbs trainer, its characterized in that: the device comprises a frame (1), wherein a supporting rod (2) is hinged on the frame (1), the end part of the supporting rod (2) is rotatably connected with a crankshaft (3), both end parts of the crankshaft (3) are hinged with pedal connecting rods (4), the other ends of the pedal connecting rods (4) are in sliding connection with the frame (1), pedals (401) are fixedly connected on the pedal connecting rods (4), and a locking assembly is arranged at the joint of the supporting rod (2) and the frame (1); the locking assembly comprises a hinge seat (103) fixedly arranged on the frame (1), the support rod (2) is hinged with the hinge seat (103) through a pin shaft (104), and a locking piece is arranged on the outer side surface of the hinge seat (103) corresponding to the support rod (2); the locking piece comprises a nut (201) fixedly connected with the outer side face of the hinging seat (103), and a fastening bolt (202) is mounted in the nut (201) in a matched mode.
2. A portable multi-functional lower limb training device according to claim 1, wherein: the upper end part of the supporting rod (2) is provided with a rotating sleeve (203) fixedly connected with the supporting rod, the crankshaft (3) is rotationally connected in the rotating sleeve (203), and the two end parts of the crankshaft (3) are symmetrically arranged by taking the rotating sleeve (203) as a center.
3. A portable multi-functional lower limb training device according to claim 2, wherein: the crankshaft (3) is arranged on the outer side surface inside the rotating sleeve (203) and is connected with a damping block (204) in a sliding manner, and the outer side surface of the rotating sleeve (203) corresponds to the damping block (204) and is provided with a damping adjusting device.
4. A portable multi-functional lower limb exercise device as recited in claim 3, wherein: the damping adjusting device comprises a pressing block (205), wherein the pressing block (205) is matched with the outer side surface of the damping block (204), and the outer side surface of the rotating sleeve (203) corresponds to the pressing block (205) and is matched with a damping bolt (206).
5. A portable multi-functional lower limb training device according to claim 1, wherein: the machine frame (1) comprises two cross bars (100) which are arranged in parallel, and the positions, close to the two ends of the two cross bars (100), of the two cross bars are fixedly connected through two connecting rods (101).
6. A portable multi-functional lower limb exercise device as in claim 5, wherein: the other end of the pedal connecting rod (4) is in sliding connection with the connecting rod (101).
7. The portable multi-functional lower limb training device of claim 6, wherein: the other end of the pedal connecting rod (4) is rotatably connected with a pulley (402), and the pulley (402) is in rolling contact with the connecting rod (101).
8. The portable multi-functional lower limb training device of claim 7, wherein: a limiting ring (403) which is rotationally connected with the pulley (402) is arranged on the outer side of the connecting rod (101); one end of the connecting rod (101) close to the rotating sleeve (203) is provided with an upward arched bending part (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321406790.4U CN220294063U (en) | 2023-06-05 | 2023-06-05 | Portable multifunctional lower limb training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321406790.4U CN220294063U (en) | 2023-06-05 | 2023-06-05 | Portable multifunctional lower limb training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220294063U true CN220294063U (en) | 2024-01-05 |
Family
ID=89375400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321406790.4U Active CN220294063U (en) | 2023-06-05 | 2023-06-05 | Portable multifunctional lower limb training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220294063U (en) |
-
2023
- 2023-06-05 CN CN202321406790.4U patent/CN220294063U/en active Active
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