CN210521238U - Telescopic structure, rehabilitation device and wheelchair - Google Patents
Telescopic structure, rehabilitation device and wheelchair Download PDFInfo
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- CN210521238U CN210521238U CN201920225695.1U CN201920225695U CN210521238U CN 210521238 U CN210521238 U CN 210521238U CN 201920225695 U CN201920225695 U CN 201920225695U CN 210521238 U CN210521238 U CN 210521238U
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- telescopic
- connecting frame
- stage
- synchronous belt
- frame
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Abstract
The utility model provides a extending structure, rehabilitation device and wheelchair, wherein extending structure includes: the device comprises a telescopic motor, a synchronous belt, a first synchronous belt wheel, a second synchronous belt wheel, a first telescopic structure, a second telescopic structure and a first frame; the telescopic motor is connected with a first synchronous pulley, a second synchronous pulley is fixed on a synchronous pulley connecting frame, and the first synchronous pulley and the second synchronous pulley are connected through the synchronous belt; the first telescopic structure comprises a first-stage slide rail, a first-stage slide block and a telescopic part connecting frame; the first-stage sliding rail is fixed on the first frame; the second telescopic structure comprises a second-stage sliding block and a second-stage telescopic guide rail; the second-stage telescopic guide rail is fixed on the telescopic part connecting frame; and the second-stage sliding block slides on the second-stage telescopic guide rail. Adopt the utility model discloses technical scheme can have bigger flexible scope.
Description
Technical Field
The utility model relates to a robot field especially relates to a extending structure, rehabilitation device and wheelchair.
Background
The telescopic structure has wide application, such as being used on various mechanical equipment for outdoor operation, and also such as being used on a wheelchair with a rehabilitation device. In order to enable the handicapped, the sick and wounded or the old to carry out the rehabilitation training, the rehabilitation device on the wheelchair needs to be capable of carrying out the movement of a certain degree relative to the wheelchair frame, so that the legs of the user sitting on the wheelchair can move within a certain range, the aim of adapting to the leg lengths of different people is fulfilled, meanwhile, the movement range of the legs of the user can be adjusted, the effect of improving the rehabilitation training effect is achieved, and the movement is completed through a telescopic structure.
For example, the telescopic structure used on the rehabilitation wheelchair at present is mostly a single-stage sliding telescopic form of manual adjustment, the telescopic amplitude is limited, especially, the rehabilitation device is still outside the wheelchair frame in the retraction state, which brings serious inconvenience to the user to get on and off the wheelchair, and in addition, the manual adjustment requires the user to bend down to move about to adjust the position and consume large physical strength, which causes great burden to the old and the sick users.
Therefore, an electric telescopic device is needed to be designed, so that the rehabilitation device and the telescopic device are completely hidden in a wheelchair frame in a retracted state, the leg length of different crowds can be adapted in an extended state, the whole moving process is controlled by a motor, and the user can stretch the rehabilitation device only by simple operation.
SUMMERY OF THE UTILITY MODEL
In order to overcome that extending structure is not nimble enough among the prior art, the limited technical problem of flexible range, the utility model provides an extending structure, include: the device comprises a telescopic motor, a synchronous belt, a first synchronous belt wheel, a second synchronous belt wheel, a first telescopic structure, a second telescopic structure and a first frame;
the telescopic motor is connected with a first synchronous belt wheel, and a second synchronous belt wheel is fixed on a synchronous belt wheel connecting frame and is connected with the first synchronous belt wheel and the second synchronous belt wheel through a synchronous belt;
the first telescopic structure comprises a first-stage slide rail, a first-stage slide block and a telescopic part connecting frame;
the first-stage sliding rail is fixed on the first frame;
the second telescopic structure comprises a second-stage sliding block and a second-stage telescopic guide rail;
the second-stage telescopic guide rail is fixed on the telescopic part connecting frame;
and the second-stage sliding block slides on the second-stage telescopic guide rail.
Further, the telescopic structure further comprises a first toothed plate;
the lower side of the synchronous belt is fixed on the first frame through the first toothed plate.
Furthermore, the telescopic structure also comprises a second toothed plate and a first connecting frame; the second gear plate presses the upper side of the synchronous belt and is fixed on a first connecting frame, and the first connecting frame is fixed on the second-stage sliding block.
Further, when the output shaft of the telescopic motor rotates, the synchronous belt rotates, the first connecting frame moves relative to the telescopic part connecting frame, the telescopic part connecting frame moves relative to the first frame, and the first connecting frame moves in two stages relative to the first frame to complete second-stage telescopic.
Furthermore, the telescopic structure also comprises a planetary speed reducer and a speed reducer connecting frame;
the telescopic motor is connected to the planetary reducer; the planetary speed reducer is connected to the speed reducer connecting frame;
the speed reducer connecting frame is connected to the telescopic part connecting frame, and the telescopic motor is fixedly connected with the telescopic part connecting frame.
The utility model also provides a rehabilitation device, which comprises the telescopic structure and the rehabilitation module; the rehabilitation module is positioned on the first connecting frame.
The utility model also provides a wheelchair, which comprises the rehabilitation device;
the first frame of the telescoping structure is located on the wheelchair.
Furthermore, the wheelchair also comprises a first photoelectric switch, a first photoelectric shading plate, a second photoelectric switch and a second photoelectric shading plate;
when the first photoelectric switch is shielded by the first photoelectric shading plate 33 by the first photoelectric switch 36, the first photoelectric switch 36 sends a limit instruction, and the telescopic structure is in a maximum contraction state;
when the second photoelectric switch 41 is shielded by the second photoelectric light shielding plate 44, the second photoelectric switch 41 sends a limit instruction, and the telescopic structure is in a maximum extension state.
Further, when the rehabilitation module of the rehabilitation device slides along with the telescopic structure, the telescopic range is as follows: when the telescopic structure is fully extended, the boundary of the rehabilitation module which is fully extended out meets the requirement that the lower limbs of a user with a certain height complete a whole circle of pedaling movement.
Adopt the utility model discloses a extending structure can realize that the second grade is flexible, and flexible scope is bigger.
Furthermore, when the wheelchair with the two-stage telescopic structure is adopted, the contraction boundary of the rehabilitation module on the telescopic structure is that the rehabilitation module is completely arranged in the surface of the wheelchair, so that the rehabilitation module including the pedals is arranged at the lower part of the wheelchair when a wheelchair user gets on or off the wheelchair and cannot block the wheelchair. The fully extended boundary of the rehabilitation module is that the lower limbs of a user (such as one meter nine) with a certain height complete a full circle of pedaling motion, and the lower limbs can stop at any position within the limit range so as to meet users with different heights. Therefore, the recovery wheelchair with the two-stage telescopic structure has a larger telescopic range of the recovery module compared with the conventional wheelchair, and is more suitable for more people.
Drawings
FIG. 1 is a schematic view of the two-stage telescopic structure of the present invention;
FIG. 2 is a schematic view of a wheelchair with a two-stage telescoping configuration;
wherein:
29-reducer connecting frame; 30-a telescopic motor; 31-a planetary reducer; 32-second stage telescopic guide rail;
33-photoelectric switch shading plate; 36-photoelectric switch 1; 34-a synchronous belt; 35-a first synchronous pulley;
37-telescoping portion link; 38-wheelchair frame extension plate; 39-first toothed plate; 40-toothed plate connecting frame;
41-photoelectric switch shading plate 2; 42-first stage slide block link; 43-first stage slide;
44-photoelectric switch 2; 45-first stage slide rail; 46-second stage slide; 47-second toothed plate;
48-a first connecting frame; 49-a second timing pulley; 50-synchronous pulley link.
Detailed Description
Example one
The utility model provides a telescopic structure, as shown in figure 1, include: the device comprises a telescopic motor 30, a synchronous belt 34, a first synchronous belt pulley 35, a second synchronous belt pulley 49, a first telescopic structure, a second telescopic structure and a first frame 8;
the telescopic motor 30 is connected to the first synchronous pulley 35, and may be, but is not limited to, fixed to the synchronous pulley connecting frame 50 through a bearing structure and connected to the first synchronous pulley 35 and the second synchronous pulley 49 through a key and bolt structure, and connected to the first synchronous pulley 35 and the second synchronous pulley 49 through the synchronous belt 34.
The synchronous pulley link 50 is fixed to the telescopic link 37 by passing through a bar-shaped hole for tensioning a synchronous belt through a bolt.
Wherein, the first telescopic structure comprises a first-stage slide rail 45, a first-stage slide block 43 and a telescopic part connecting frame 37; the first-stage slide rail 45 is fixed on the first frame 8;
the telescopic motor 30 provides a source power, and when the telescopic motor 30 is started, the synchronous belt, the first synchronous belt wheel 35 and the first synchronous belt wheel 6b can be driven to rotate.
Wherein, the second telescopic structure comprises a second-stage slide block 46 and a second-stage telescopic guide rail 32; the second stage telescopic guide rail is fixed on the telescopic part connecting frame 37;
Further, the telescopic structure further comprises a first toothed plate 39, a second toothed plate 47, a second-stage telescopic guide rail 32 and a first connecting frame 48;
the lower side of the timing belt 34 is fixed to the first frame 8 through the first toothed plate 39, and when the telescopic motor 30 rotates, the telescopic motor 30 moves relative to the first frame 8, and the telescopic portion connecting frame 37 also moves relative to the first frame 8, so that the first stage of telescopic movement is completed.
The second stage telescopic rail 32 is fixed to the telescopic part connecting frame 37, and may be, but is not limited to, fixed by bolts.
The telescopic part connecting frame 37 is connected with a first-stage sliding block 43, the first-stage sliding block 43 slides on a first-stage sliding rail 45, and the first-stage sliding rail 45 is fixed on the first frame 8.
The second toothed plate 47 presses the upper side of the synchronous belt 34 and is fixed on the first connecting frame 48, the first connecting frame 48 is fixed on the second-stage sliding block 46, the second-stage sliding block 46 moves on the second-stage telescopic guide rail 32, the second-stage telescopic guide rail 32 is fixed on the telescopic part connecting frame 37, when the output shaft of the telescopic motor 30 rotates, the synchronous belt 34 rotates, because the upper side of the synchronous belt 34 is fixed on the first connecting frame 48, the first connecting frame 48 moves relative to the telescopic part connecting frame 37, because the telescopic part connecting frame 37 moves relative to the first frame 8, the first connecting frame 48 moves in two stages relative to the first frame 8, and thus the second-stage telescopic motion is completed.
The first stage slide rails 45 are fixed to the wheelchair frame and the second stage slide rails 32 are fixed to the frame 37.
Further, the telescopic structure further comprises a planetary reducer 31 and a reducer connecting frame 29;
further, the telescopic motor 30 as a driving source is connected to the planetary reducer 31, and specifically, may be, but is not limited to, connected by a key and a bolt;
the planetary reducer 31 is connected to the reducer connecting frame 29, and may be, but is not limited to, connected by bolts; thus, the telescopic motor 30 and the telescopic portion link 37 are fixedly coupled.
The reducer attachment frame 29 is attached to the telescopic portion attachment frame 37 by bolts, thus fixedly connecting the telescopic motor 30 to the telescopic portion attachment frame 37.
Example two
The embodiment provides a rehabilitation device, which comprises a telescopic structure and a rehabilitation module in the first embodiment;
the rehabilitation module is arranged on the first connecting frame;
after the telescopic motor of the telescopic structure is started, the rehabilitation module slides in a secondary mode along with the telescopic structure.
The rehabilitation module drives limbs (lower limbs) of a person to perform rehabilitation exercise in the exercise process, for example, the limbs can perform the rotation exercise of pedaling a bicycle, so that the purpose of rehabilitation training is achieved.
EXAMPLE III
The present embodiment provides a wheelchair, as shown in fig. 2, comprising a rehabilitation module according to the second embodiment.
The first frame 8 in the first embodiment is a wheelchair main frame of a wheelchair; after the telescopic motor is started, the rehabilitation module performs two-stage telescopic motion, a person needing rehabilitation training sits on the wheelchair, and the lower limb is positioned on the rehabilitation module to perform telescopic motion, so that rehabilitation training is performed.
The wheelchair further comprises a first photoelectric switch 36, a first photoelectric light shielding plate 33, a second photoelectric switch 44 and a second photoelectric light shielding plate 41;
the first photoelectric switch 36 is fixed to the rear portion of the upper side of the reduction gear attachment frame 29 by a bolt, and the second photoelectric switch 44 is fixed to the front portion of the lower side of the reduction gear attachment frame 29 by a bolt.
The first and second photoelectric light blocking plates 33 and 41 are bolted to the rear of the first coupling frame 48.
The first photoelectric switch 36, the first photoelectric light shielding plate 33, the second photoelectric switch 44 and the second photoelectric light shielding plate 41 are used for limiting the moving position of the telescopic structure; specifically, the method comprises the following steps:
when the first photoelectric switch 36 is shielded by the first photoelectric light shielding plate 33, the first photoelectric switch 36 sends a limit instruction, and the telescopic structure is in a maximum contraction state;
when the second photoelectric switch 41 is shielded by the second photoelectric light shielding plate 44, the second photoelectric switch 41 sends a limit instruction, and the telescopic structure is in a maximum extension state and cannot move forward any more.
Therefore, the limit of the photoelectric switch and the photoelectric light shielding plate to the telescopic structure determines the limit telescopic range of the telescopic structure. The contraction boundary is that the rehabilitation module is completely arranged in the chair surface, so that the rehabilitation module including the pedals is arranged at the lower part of the wheelchair when a wheelchair user gets on or off the wheelchair and cannot block the wheelchair. The fully extended boundary of the rehabilitation module is that the lower limbs of a user (such as one meter nine) with a certain height complete a full circle of pedaling motion, and the lower limbs can stop at any position within the limit range so as to meet users with different heights. Therefore, the recovery wheelchair with the two-stage telescopic structure has a larger telescopic range of the recovery module compared with the conventional wheelchair, and is more suitable for more people.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A telescoping structure, characterized by: the device comprises a telescopic motor, a synchronous belt, a first synchronous belt wheel, a second synchronous belt wheel, a first telescopic structure, a second telescopic structure and a first frame;
the telescopic motor is connected with a first synchronous belt wheel, and a second synchronous belt wheel is fixed on a synchronous belt wheel connecting frame and is connected with the first synchronous belt wheel and the second synchronous belt wheel through a synchronous belt;
the first telescopic structure comprises a first-stage slide rail, a first-stage slide block and a telescopic part connecting frame;
the first-stage sliding rail is fixed on the first frame;
the second telescopic structure comprises a second-stage sliding block and a second-stage telescopic guide rail;
the second-stage telescopic guide rail is fixed on the telescopic part connecting frame;
and the second-stage sliding block slides on the second-stage telescopic guide rail.
2. The telescoping structure of claim 1, wherein:
the telescopic structure further comprises a first toothed plate;
the lower side of the synchronous belt is fixed on the first frame through the first toothed plate.
3. The telescoping structure of claim 1, wherein:
the telescopic structure further comprises a second toothed plate and a first connecting frame; the second gear plate presses the upper side of the synchronous belt and is fixed on a first connecting frame, and the first connecting frame is fixed on the second-stage sliding block.
4. The telescoping structure of claim 3, wherein:
when the output shaft of the telescopic motor rotates, the synchronous belt rotates, the first connecting frame moves relative to the telescopic part connecting frame, the telescopic part connecting frame moves relative to the first frame, and the first connecting frame moves in two stages relative to the first frame to complete second-stage telescopic.
5. The telescopic structure according to any one of claims 1 to 4, wherein:
the telescopic structure also comprises a planetary reducer and a reducer connecting frame;
the telescopic motor is connected to the planetary reducer; the planetary speed reducer is connected to the speed reducer connecting frame;
the speed reducer connecting frame is connected to the telescopic part connecting frame, and the telescopic motor is fixedly connected with the telescopic part connecting frame.
6. A rehabilitation device comprising a telescopic structure and a rehabilitation module according to any one of claims 1 to 5;
the rehabilitation module is positioned on the first connecting frame.
7. A wheelchair, characterized by: comprising a rehabilitation device according to claim 6;
the first frame of the telescoping structure is located on the wheelchair.
8. The wheelchair of claim 7 wherein:
the wheelchair also comprises a first photoelectric switch and a first photoelectric shading plate;
the first photoelectric switch is fixed at the rear part of the upper side of the speed reducer connecting frame through a bolt, and the first photoelectric shading plate is connected at the rear part of the rehabilitation module connecting frame through a bolt;
when the first photoelectric light shielding plate is shielded, the first photoelectric switch sends out a limit instruction, and the telescopic structure is in a maximum contraction state.
9. The wheelchair of claim 7 wherein:
the wheelchair also comprises a second photoelectric switch and a second photoelectric shading plate;
the second photoelectric switch is fixed on the front part of the lower side of the speed reducer connecting frame through a bolt; the second photoelectric shading plate is connected to the rear part of the rehabilitation module connecting frame through a bolt;
when the second photoelectric shading plate is shaded, the second photoelectric switch sends out a limit instruction, and the telescopic structure is in a maximum extension state.
10. The wheelchair of claim 8 or 9 wherein:
when the rehabilitation module of the rehabilitation device slides along with the telescopic structure, the telescopic range is as follows: when the telescopic structure is fully extended, the boundary of the rehabilitation module which is fully extended out meets the requirement that the lower limbs of a user with a certain height complete a whole circle of pedaling movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920225695.1U CN210521238U (en) | 2019-02-22 | 2019-02-22 | Telescopic structure, rehabilitation device and wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920225695.1U CN210521238U (en) | 2019-02-22 | 2019-02-22 | Telescopic structure, rehabilitation device and wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210521238U true CN210521238U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920225695.1U Expired - Fee Related CN210521238U (en) | 2019-02-22 | 2019-02-22 | Telescopic structure, rehabilitation device and wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210521238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941390A (en) * | 2020-08-13 | 2020-11-17 | 东南大学 | Two-dimensional moving gripping device |
-
2019
- 2019-02-22 CN CN201920225695.1U patent/CN210521238U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941390A (en) * | 2020-08-13 | 2020-11-17 | 东南大学 | Two-dimensional moving gripping device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 Termination date: 20210222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |