CN220714702U - Telescopic crank of rehabilitation bicycle - Google Patents
Telescopic crank of rehabilitation bicycle Download PDFInfo
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- CN220714702U CN220714702U CN202322095760.2U CN202322095760U CN220714702U CN 220714702 U CN220714702 U CN 220714702U CN 202322095760 U CN202322095760 U CN 202322095760U CN 220714702 U CN220714702 U CN 220714702U
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- crank
- column
- pedal
- telescopic
- rehabilitation
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000009471 action Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The application provides a telescopic crank of a rehabilitation bicycle, which relates to the field of rehabilitation medical appliances. The telescopic crank of the rehabilitation bicycle comprises a chain wheel, a connecting column and a pedal mechanism, wherein one end of the connecting column is slidably connected with the telescopic mechanism, the telescopic mechanism comprises a sleeve and a threaded rod, the sleeve is arranged below one side of the connecting column, the surface of the threaded rod is in threaded connection with the bottom of the inner wall of the sleeve, the connecting column is fixedly connected with one side of the chain wheel, and the pedal mechanism is arranged on one side of the bottom of the telescopic mechanism. This telescopic crank of rehabilitation bicycle, through setting up telescopic machanism, rotate the sleeve pipe that inner wall top and crank tube surface rotated and be connected, make with sleeve pipe inner wall below threaded connection's threaded rod reciprocate, adjust crank length, be applicable to the patient of different age bracket heights and carry out rehabilitation exercise, enlarged rehabilitation bicycle's application scope, improved rehabilitation bicycle's rate of utilization, improved rehabilitation bicycle's utilization ratio.
Description
Technical Field
The application relates to the technical field of rehabilitation medical equipment, in particular to a telescopic crank of a rehabilitation bicycle.
Background
For people who cannot normally exercise in a short time after leg surgery, the people need to exercise for a long time and often exercise to reach the healthy state of the legs, and in order to help the people to perform rehabilitation training more efficiently, many doctors can recommend that patients use the rehabilitation bicycle to achieve the aim of completing rehabilitation exercise without going out specially.
The existing rehabilitation bicycle meets the requirement of exercise under different postures, but the length of the crank is fixed, and the rehabilitation bicycle is not suitable for patients with different heights at different ages to perform rehabilitation exercise, and has limitation in application range.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the application provides a telescopic crank of a rehabilitation bicycle, which solves the problems mentioned in the background art.
(II) technical scheme
In order to achieve the above purpose, the present application is implemented by the following technical schemes: the utility model provides a telescopic crank of rehabilitation bicycle, includes sprocket, spliced pole and is used for placing the patient's foot and steps on pedal mechanism that the action was taken exercise, spliced pole one end sliding connection has the telescopic machanism that is used for adjusting crank length, telescopic machanism includes sleeve pipe and threaded rod, the sleeve pipe sets up in spliced pole one side below, threaded rod surface and sleeve pipe inner wall bottom threaded connection, spliced pole and sprocket one side fixed connection, pedal mechanism sets up in telescopic machanism bottom one side.
Preferably, the telescopic mechanism further comprises a crank tube and a second fixing hole, one end of the crank tube is slidably connected with one end of the connecting column, the bottom surface of the crank tube is rotatably connected with the upper portion of the inner wall of the sleeve, and the second fixing hole is formed in one side surface of the top of the crank tube.
Preferably, the surface of the connecting column is provided with a first fixing hole, and the diameters of the first fixing hole and the second fixing hole are consistent.
Preferably, the crank tube top surface one side fixedly connected with is used for fixing the fixed establishment of connection post rather than sliding connection, fixed establishment includes fixed column and regulating block, the fixed column in proper order with second fixed orifices and first fixed orifices sliding connection, regulating block and fixed column one end fixed connection.
Preferably, the fixing mechanism further comprises a spring, the spring is fixedly connected with one side of the adjusting block, the spring is located on the outer side of the fixing column, and one end of the spring is fixedly connected with one side of the top surface of the crank tube.
Preferably, the bottom of the threaded rod is fixedly connected with a connecting curved column for connecting the telescopic mechanism and the pedal mechanism, and one side of the connecting curved column is rotationally connected with one side of the pedal mechanism.
Preferably, the pedal is rotationally connected with one side of the connecting curved column, the pedal is fixedly connected with one side of the rotating column, and the surface of the pedal is provided with an anti-skid groove.
Preferably, the pedal mechanism further comprises a fixing frame and a magic tape, wherein the fixing frame is fixedly connected with one side of the pedal, and the magic tape is rotationally connected with one side of the fixing frame and wraps the fixing frame.
(III) beneficial effects
The application provides a telescopic crank of a rehabilitation bicycle. The beneficial effects are as follows:
1. this telescopic crank of rehabilitation bicycle, through setting up telescopic machanism, rotate the sleeve pipe that inner wall top and crank tube surface rotated and be connected, make with sleeve pipe inner wall below threaded connection's threaded rod reciprocate, adjust crank length, be applicable to the patient of different age bracket heights and carry out rehabilitation exercise, enlarged rehabilitation bicycle's application scope, improved rehabilitation bicycle's rate of utilization, improved rehabilitation bicycle's utilization ratio.
2. This telescopic crank of rehabilitation bicycle through setting up pedal mechanism, and the patient is placed the foot and has been offered the antiskid groove and one side and rotate post one end fixed connection's footboard top, fixes the foot to the magic area laminating instep of parcel in fixed frame one side, helps patient's sole laminating footboard top, promotes the patient and carries out the recovered effect of taking through rehabilitation bicycle, reduces patient's recovered exercise time for patient's recovered progress.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic top view of the present application;
FIG. 2 is a schematic cross-sectional view of a portion of the structure of the present application A;
FIG. 3 is a schematic cross-sectional view of a portion B of the present application;
FIG. 4 is a schematic view of the bottom outline structure of the present application;
FIG. 5 is a schematic cross-sectional view of a front view of a portion of the present application;
FIG. 6 is a schematic cross-sectional view of a portion C of the present application;
FIG. 7 is a schematic cross-sectional view of a portion D of the present application;
fig. 8 is a schematic view of the rear view of the present application.
In the figure: 1. a sprocket; 2. a connecting column; 201. a first fixing hole; 3. a telescoping mechanism; 301. a crank tube; 302. a second fixing hole; 303. a sleeve; 304. a threaded rod; 4. a fixing mechanism; 401. fixing the column; 402. an adjusting block; 403. a spring; 5. connecting curved columns; 6. a pedal mechanism; 601. rotating the column; 602. a pedal; 603. an anti-skid groove; 604. a fixed frame; 605. a magic tape.
Detailed Description
It should be noted that, in the description of the embodiments of the present application, the terms "front, rear", "left, right", "upper, lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally 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.
The present application is further elaborated by the following figures and examples.
Referring to fig. 2 and 7, this application embodiment provides a telescopic crank of rehabilitation bicycle, including sprocket 1, spliced pole 2 and be used for placing patient's foot and step on pedal mechanism 6 of action exercise, spliced pole 2 one end sliding connection has telescopic machanism 3 that is used for adjusting crank length, telescopic machanism 3 includes sleeve 303 and threaded rod 304, sleeve 303 sets up in spliced pole 2 one side below, threaded rod 304 surface and sleeve 303 inner wall bottom threaded connection, spliced pole 2 one end sliding connection has crank 301, crank 301 bottom surface and sleeve 303 inner wall top rotate to be connected, second fixed orifices 302 have been seted up on crank 301 top one side surface, spliced pole 2 and sprocket 1 one side fixed connection, pedal mechanism 6 sets up in telescopic machanism 3 bottom one side, utilize second fixed orifices 302 to fix spliced pole 2 and crank 301 after, rotate inner wall top and crank 301 surface rotate the sleeve 303 of being connected, make with sleeve 303 inner wall below threaded rod 304 threaded connection reciprocate, adjust crank length.
Referring to fig. 5 and 6, in one aspect of the present embodiment, the surface of the connecting post 2 is provided with a first fixing hole 201, the first fixing hole 201 and a second fixing hole 302 have the same diameter, and the connecting post 2 and the crank pipe 301 are fixed by the first fixing hole 201 and the second fixing hole 302 having the same diameter.
Referring to fig. 1 and 2, in one aspect of the present embodiment, a fixing mechanism 4 for fixing a connection post 2 slidably connected to a top surface side of a crank tube 301 is fixedly connected to one side of the top surface of the crank tube 301, the fixing mechanism 4 includes a fixing post 401 and an adjusting block 402, the fixing post 401 is sequentially slidably connected to the second fixing hole 302 and the first fixing hole 201, the adjusting block 402 is fixedly connected to one end of the fixing post 401, a spring 403 is fixedly connected to one side of the adjusting block 402, the spring 403 is located outside the fixing post 401, one end of the spring 403 is fixedly connected to one side of the top surface of the crank tube 301, the adjusting block 402 is pulled to drive the fixing post 401 to move and stretch the spring 403, after the connection post 2 is slidably connected to the crank tube 301, the first fixing hole 201 is aligned to the second fixing hole 302, the adjusting block 402 is released, the elastic force of the spring 403 drives the fixing post 401 to sequentially pass through the first fixing hole 201 and the second fixing hole 302, and the connection post 2 is fixed to the crank tube 301.
Referring to fig. 4 and 8, in an aspect of the present embodiment, a connecting crank 5 for connecting the telescopic mechanism 3 and the pedal mechanism 6 is fixedly connected to the bottom of the threaded rod 304, and the telescopic mechanism 3 and the pedal mechanism 6 are connected by the connecting crank 5 by rotating the connecting crank 5 on one side of the connecting crank 5 and the pedal mechanism 6.
Referring to fig. 3 and 5, in one aspect of the present embodiment, the pedal mechanism 6 includes a rotating post 601 and a pedal 602, the rotating post 601 is rotationally connected to one side of the connecting curved post 5, the pedal 602 is fixedly connected to one side of the rotating post 601, an anti-slip slot 603 is formed on the surface of the pedal 602, a fixing frame 604 is fixedly connected to one side of the pedal 602, a magic tape 605 is rotationally connected to one side of the fixing frame 604, a patient places a foot on the top of the pedal 602, which is formed with the anti-slip slot 603 and is fixedly connected to one side of the rotating post 601, and the magic tape 605 wrapped on one side of the fixing frame 604 is attached to the instep to fix the foot.
All the electric equipment in this scheme all carry out the power supply through external power supply.
Working principle: when the anti-skid pedal is used, the adjusting block 402 is pulled to drive the fixing column 401 to move and stretch the spring 403, the connecting column 2 is in sliding connection with the crank tube 301, the first fixing hole 201 is aligned with the second fixing hole 302, the adjusting block 402 is loosened, the elastic force of the spring 403 drives the fixing column 401 to sequentially penetrate through the first fixing hole 201 and the second fixing hole 302, the connecting column 2 is fixed with the crank tube 301, the sleeve 303, the upper part of the inner wall of which is rotationally connected with the surface of the crank tube 301, is rotated, the threaded rod 304 in threaded connection with the lower part of the inner wall of the sleeve 303 is enabled to move up and down, the crank is adjusted to a proper length, a patient places the foot on the top of the pedal 602 provided with the anti-skid groove 603 and fixedly connected with one end of the rotating column 601, and the magic tape 605 wrapped on one side of the fixing frame 604 is attached to the instep to fix the foot.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a telescopic crank of rehabilitation bicycle, includes sprocket (1), spliced pole (2) and is used for placing patient's foot and steps on pedal mechanism (6) of stepping on action exercise, its characterized in that: the telescopic mechanism (3) for adjusting the crank length is slidably connected to one end of the connecting column (2), the telescopic mechanism (3) comprises a sleeve (303) and a threaded rod (304), the sleeve (303) is arranged below one side of the connecting column (2), the surface of the threaded rod (304) is in threaded connection with the bottom of the inner wall of the sleeve (303), the connecting column (2) is fixedly connected with one side of the chain wheel (1), and the pedal mechanism (6) is arranged on one side of the bottom of the telescopic mechanism (3).
2. The retractable crank of a rehabilitation bicycle according to claim 1, wherein: the telescopic mechanism (3) further comprises a crank tube (301) and a second fixing hole (302), one end of the crank tube (301) is slidably connected with one end of the connecting column (2), the bottom surface of the crank tube (301) is rotatably connected with the upper portion of the inner wall of the sleeve (303), and the second fixing hole (302) is formed in the surface of one side of the top of the crank tube (301).
3. The retractable crank of a rehabilitation bicycle according to claim 1, wherein: the surface of the connecting column (2) is provided with a first fixing hole (201), and the diameters of the first fixing hole (201) and the second fixing hole (302) are consistent.
4. The retractable crank of a rehabilitation bicycle according to claim 2, wherein: the crank tube (301) top surface one side fixedly connected with be used for fixed and its sliding connection's spliced pole (2) fixed establishment (4), fixed establishment (4) include fixed column (401) and regulating block (402), fixed column (401) are in proper order with second fixed orifices (302) and first fixed orifices (201) sliding connection, regulating block (402) and fixed column (401) one end fixed connection.
5. The retractable crank of a rehabilitation bicycle of claim 4, wherein: the fixing mechanism (4) further comprises a spring (403), the spring (403) is fixedly connected with one side of the adjusting block (402), the spring (403) is located on the outer side of the fixing column (401), and one end of the spring (403) is fixedly connected with one side of the top surface of the crank tube (301).
6. The retractable crank of a rehabilitation bicycle according to claim 2, wherein: the bottom of the threaded rod (304) is fixedly connected with a connecting curved column (5) for connecting the telescopic mechanism (3) and the pedal mechanism (6), and one side of the connecting curved column (5) is rotationally connected with one side of the pedal mechanism (6).
7. The retractable crank of a rehabilitation bicycle according to claim 1, wherein: the pedal mechanism (6) comprises a rotating column (601) and a pedal (602), the rotating column (601) is rotationally connected with one side of the connecting curved column (5), the pedal (602) is fixedly connected with one side of the rotating column (601), and an anti-slip groove (603) is formed in the surface of the pedal (602).
8. The retractable crank of a rehabilitation bicycle of claim 7, wherein: the pedal mechanism (6) further comprises a fixed frame (604) and a magic tape (605), wherein the fixed frame (604) is fixedly connected with one side of the pedal (602), and the magic tape (605) is rotatably connected with one side of the fixed frame (604) and wraps the pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095760.2U CN220714702U (en) | 2023-08-07 | 2023-08-07 | Telescopic crank of rehabilitation bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322095760.2U CN220714702U (en) | 2023-08-07 | 2023-08-07 | Telescopic crank of rehabilitation bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220714702U true CN220714702U (en) | 2024-04-05 |
Family
ID=90486434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322095760.2U Active CN220714702U (en) | 2023-08-07 | 2023-08-07 | Telescopic crank of rehabilitation bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220714702U (en) |
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2023
- 2023-08-07 CN CN202322095760.2U patent/CN220714702U/en active Active
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