CN211097308U - Pedal device and walking recovery device - Google Patents
Pedal device and walking recovery device Download PDFInfo
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- CN211097308U CN211097308U CN201921744956.7U CN201921744956U CN211097308U CN 211097308 U CN211097308 U CN 211097308U CN 201921744956 U CN201921744956 U CN 201921744956U CN 211097308 U CN211097308 U CN 211097308U
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Abstract
The utility model discloses a pedal device and walking recovery unit, pedal device is including pedal fixed frame and more than one pedal. The pedal device is provided with a pressure sensor, and the stress of the pressure sensor is always kept in the vertical direction, so that the motion condition of a patient can be accurately fed back through the change of the pressure value; the stress of the pedal device is below the ankle of the user, and the actual stepping action of the human body is met; moreover, the pedal assembly can be correspondingly adjusted in position and angle along with the action of the patient, so that the flexibility is good, and the comfort level of the patient is improved.
Description
Technical Field
The utility model relates to the field of medical equipment, particularly, relate to a pedal device and walking recovery unit.
Background
Leg injury is one of the more common clinical wounds, the disability rate of leg injury is high, and the leg injury needs rehabilitation after clinical operation, but the effect of rehabilitation always troubles patients and medical doctors. If the rehabilitation treatment effect is not good, the life quality of the patient and the labor capacity of the patient can be seriously influenced, and the life of the patient is greatly influenced. Therefore, various manufacturers have been studying and manufacturing rehabilitation instruments with better rehabilitation therapy effects to help patients to recover from leg injuries.
The common leg rehabilitation instruments all need the cooperation of pedal device, and the prior pedal device (as shown in the attached figure 10 of the specification) has the following problems: when the patient performs stepping exercise, because the rotating point 01 of the pedal device is at the position of the tiptoe, when the foot is stepped downwards, the rotating pedal 02 rotates by taking the rotating point 01 as the center; the upper part of the spring mechanism 03 is fixed, the lower part of the spring mechanism 03 moves along with the rotating pedal 02, at the moment, the spring mechanism 03 starts to stretch, and a sensor 04 arranged on the spring mechanism 03 generates a numerical value; however, the actual movement track of the rotating pedal 02 is an arc instead of a straight line, so the force direction of the sensor 04 on the spring mechanism 03 is always changed, and the data error measured by the sensor 04 is large; in addition, when the patient does stepping exercise, the rotating pedal 02 is stressed at a position near the rotating point 01, so that the stress on the tiptoe of the patient is larger, the stress on the lower part of the ankle is the largest when the human body actually does stepping exercise, and the pedaling device does not conform to the actual stepping action of the human body.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, and provides a pedal device and a walking recovery device, wherein the stress of a pressure sensor is always kept in the vertical direction in the pedal device, and the action data of a patient can be accurately measured; in addition, the stress position of the pedal device is arranged below the ankle, and the actual stepping action of the human body is met.
Correspondingly, the embodiment of the utility model provides a pedal device, which comprises a pedal fixing frame and more than one pedal;
the pedal comprises a pedal component and a sensing support module, and the pedal component is arranged on the sensing support module;
the sensing support module comprises a slide rail, a slide block, a sensor fixing seat, a pressure sensor and a spring; the sliding rail is fixed on the pedal fixing frame, and the sliding block is connected with the sliding rail in a sliding manner; the sensor fixing seat is fixed on the sliding block, and the pressure sensor is fixed on the sensor fixing seat; one end of the spring is connected to the pedal fixing frame, and the other end of the spring is connected with the pressure sensor.
In an optional embodiment, the sensing support module further comprises a limiting frame, and the limiting frame is fixed on the slide rail;
the limiting frame is provided with a long-strip-shaped through hole of the limiting frame;
one side of the sensor fixing seat extends out of a strip-shaped bulge along the direction vertical to the pressure sensor;
and the bulge passes through the limiting frame through the long-strip-shaped through hole of the limiting frame.
In an optional implementation manner, the sensing support module further includes a first fixed block and a second fixed block;
one ends of the first fixing block and the second fixing block are fixed on the protrusions, and the other ends of the first fixing block and the second fixing block are connected through a rotatable handle.
In an optional embodiment, the pedal assembly comprises a pedal, a transition plate, a pedal bracket and a pedal connecting seat which are connected in sequence;
the pedal is fixed on the transition plate, and the transition plate is hinged with the pedal bracket based on a first rotating shaft; the pedal support is hinged to the pedal connecting seat based on the second rotating shaft and the pull pin.
In an optional implementation mode, the pedal bracket is provided with an arc-shaped through hole, and the pedal connecting seat is provided with a pedal limiting through hole;
and the connection between the pedal bracket and the pedal connecting seat is limited based on the matching of the first connecting member and the arc-shaped through hole and the pedal limiting through hole.
In an optional embodiment, two ends of the first rotating shaft are provided with first clamp springs;
and second clamp springs are arranged at two ends of the second rotating shaft.
In an alternative embodiment, a spring is wound around the middle of the second rotating shaft, and both ends of the spring sequentially pass through the first connecting member and the fixing pin on the pedal bracket.
In an optional embodiment, a spherical shaft is arranged at the bottom of the pedal connecting seat;
the first fixing block and the second fixing block are provided with hemispherical notches;
and the hemispherical notches on the first fixed block and the second fixed block are matched to form a spherical notch corresponding to the spherical shaft;
the pedal assembly and the sensing support module are fixed based on the matching of the spherical shaft and the spherical notch.
In addition, the embodiment of the utility model provides a walking recovery unit is still provided, walking recovery unit includes above-mentioned arbitrary one pedal device.
The embodiment of the utility model provides a pedal device and walking recovery unit, be provided with pressure sensor on the pedal device, the motion condition of patient can be fed back through the change of pressure value, and pressure sensor's atress remains in the vertical direction all the time, can carry out accurate measurement to patient's action data; the host computer can judge the action of the patient according to the change of the pressure value, and then drive other equipment to assist the patient to act, so that the effect of rehabilitation is greatly improved. In addition, the stress of the pedal assembly is below the ankle of the user, so that the actual stepping action of the human body is met; and the pedal assembly can correspondingly adjust the position and the angle along with the action of the patient, has good flexibility and improves the comfort level of the patient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a three-dimensional structural view of a footrest apparatus according to an embodiment of the present invention;
FIGS. 2 and 3 are three-dimensional views of a pedal assembly according to an embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2;
FIG. 5 is a three-dimensional structural view of a pedal bracket according to an embodiment of the present invention;
FIG. 6 is a three-dimensional view of the pedal connecting seat of the embodiment of the present invention;
FIG. 7 is a three-dimensional view of the sensor support module and the fixed pedal frame according to the embodiment of the present invention;
fig. 8 is a three-dimensional structure view of a sensor holder according to an embodiment of the present invention;
fig. 9 is a three-dimensional structure view of the spacing frame in the embodiment of the present invention;
fig. 10 is a schematic view showing a structure of a conventional foothold.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a three-dimensional structural view of a footrest apparatus according to an embodiment of the present invention.
As shown in fig. 1, the embodiment of the present invention provides a pedal device, which includes a pedal fixing frame 1 and two pedals 2 that are arranged on the pedal fixing frame 1 and have mirror symmetry with respect to a central line of the pedal fixing frame.
The pedal 2 comprises a pedal assembly 3 and a sensing support module 4, wherein the pedal assembly 3 is arranged on the sensing support module 4.
Fig. 2 and 3 are three-dimensional structure views of the pedal assembly in the embodiment of the present invention, fig. 4 is a partial enlarged view of fig. 2, fig. 5 is a three-dimensional structure view of the pedal bracket in the embodiment of the present invention, and fig. 6 is a three-dimensional structure view of the pedal connecting seat in the embodiment of the present invention.
With reference to fig. 2 to 6, the pedal assembly 3 includes a pedal 31, a transition plate 32, a pedal bracket 33 and a pedal connecting seat 34, which are sequentially connected, and the pedal 31, the transition plate 32, the pedal bracket 33 and the pedal connecting seat 34 are sequentially connected and then fixed on the sensing support module 4 as a whole.
Specifically, the pedal 31 is fixed on the transition plate 32 based on bolts; one end of the transition plate 32 is hinged to the pedal bracket 33 based on a first rotating shaft 35, and the hinged transition plate 32 and the pedal 31 can rotate around the first rotating shaft 35. Particularly, the two ends of the first rotating shaft 35 are provided with first snap springs 351, and the first snap springs 351 are arranged to fix the axial positions of the transition plate 32 and the pedal bracket 33, so that the situation that the connection between the transition plate 32 and the pedal bracket 33 is failed due to axial movement in the operation process is avoided.
Specifically, the pedal bracket 33 is hinged to the pedal connecting seat 34 based on a second rotating shaft 36, and the hinged pedal bracket 33 can rotate around the second rotating shaft 36. In order to limit the rotation angle of the pedal bracket 33, the pedal bracket 33 is provided with an arc-shaped through hole 331, the pedal connecting seat 34 is provided with a pedal limiting through hole 341, and the rotation angle of the pedal bracket 33 is limited by the cooperation of a stop bolt, the arc-shaped through hole 331 and the pedal limiting through hole 341.
Specifically, a spring 361 is wound around the middle of the second rotating shaft 36, and two ends of the spring 361 sequentially pass through a tucking bolt and a fixing pin on the pedal bracket 33; due to the arrangement of the spring 361, the pedal support 33 can automatically return to a position parallel to the ground after rotating, the position of the pedal support 33 does not need to be adjusted manually, and the use is simpler and more convenient.
Particularly, the second snap springs 362 are arranged at two ends of the second rotating shaft 36, and the second snap springs 362 can fix the axial positions of the pedal bracket 33 and the pedal connecting seat 34, so that the condition that the pedal bracket 33 and the pedal connecting seat 34 are in connection failure due to axial movement in the operation process is avoided. Further, in order to make the connection of the pedal bracket 33 and the pedal attachment base 34 more firm, the connection strength between the pedal bracket 33 and the pedal attachment base 34 is also strengthened by the pulling pin 37.
Specifically, a spherical shaft 342 is disposed at the bottom of the pedal connecting seat 34, and the spherical shaft 342 is used for fixing the pedal assembly 3 and the sensing support module 4.
FIG. 7 is a three-dimensional view of the sensor support module and the fixed pedal frame according to the embodiment of the present invention; it should be noted that, for convenience of description, the limiting bracket of the right pedal assembly 3 in fig. 7 is removed.
Fig. 8 is a three-dimensional structure view of the sensor holder in the embodiment of the present invention, and fig. 9 is a three-dimensional structure view of the limiting frame in the embodiment of the present invention.
Referring to fig. 7 and 9, the sensing support module 4 includes a slide rail 41, a slide block 42, a sensor fixing seat 43, a pressure sensor 44, a spring 45, a limiting frame 46, a first fixing block 47, and a second fixing block 48.
Specifically, slide rail 41 is based on the bolt fastening on pedal fixed frame 1, slider 42 with slide rail 41 sliding connection, sensor fixing base 43 is based on the bolt fastening on the slider 42.
Wherein, the sensor fixing seat 43 is provided with a first protrusion 431 in a direction parallel to the sliding block 42, and the pressure sensor 44 is fixed on the first protrusion 431; the connected pressure sensor 44 slides along the slide rail 41 along with the sensor fixing seat 43 and the slide block 42. Furthermore, in the embodiment of the present invention, the force applied by the pressure sensor 44 is always kept in the vertical direction, so that the motion data of the patient can be accurately measured.
One end of the spring 45 is connected to the pedal fixing frame 1, and the other end of the spring 45 penetrates through the limiting frame 46 and is connected with the pressure sensor 44; the acting force of the spring 45 can pull the pressure sensor 44, the sensor fixing seat 43 and the slide block 42, and the pressure sensor 44, the sensor fixing seat 43 and the slide block 42 are prevented from falling along the slide rail 41 when no force is applied. It should be noted that, the pressure sensor 44 can sense the pressure signal and can convert the pressure signal into a usable output electrical signal according to a certain rule; the embodiment of the utility model provides an in, pressure sensor 44 and host computer electromechanical connection, in the signal of telecommunication transmission to the host computer of pressure sensor 44 output, the host computer can with the signal of telecommunication turns into concrete numerical value and shows.
The sensor fixing seat 43 is provided with a second protrusion 432 along a direction perpendicular to the sliding block 42, the second protrusion penetrates through the limiting frame 46, and one ends of the first fixing block 47 and the second fixing block 48 are fixed on two sides of the second protrusion 432 based on bolts; the other ends of the first fixing block 47 and the second fixing block 48 are connected based on a handle 49, and the connecting gap between the first fixing block 47 and the second fixing block 48 can be adjusted by rotating the handle 49; in addition, the first fixing block 47 and the second fixing block 48 are both provided with a hemispherical notch, and the hemispherical notches on the first fixing block 47 and the second fixing block 48 are matched to form a spherical notch which is matched with the spherical shaft 342 at the bottom of the pedal connecting seat 34. In the specific implementation process of the utility model, the connecting gap between the first fixing block 47 and the second fixing block 48 can be enlarged by rotating the handle 48, and the angle of the pedal assembly 3 can be adjusted by rotating the spherical shaft 342; after the adjustment is completed, the handle 48 is rotated to reduce the connection gap between the first fixing block 47 and the second fixing block 48, and at this time, the first fixing block 47 and the second fixing block 48 clamp the spherical shaft 342 again. The first fixing block 47, the second fixing block 48 and the spherical shaft 342 are controlled by rotating the handle 48, so that the angle adjustment of the pedal assembly 3 is simpler and more convenient, and the practicability of the pedal device is improved.
Specifically, the limiting frame 46 is provided with a limiting frame strip-shaped through hole 461 and a limiting frame circular through hole 462; a pull pin connecting seat 463 is arranged in the limiting frame circular through hole 462, the pull pin connecting seat 463 is matched with a pull pin 464, and one end of the pull pin 464 is fixed on the sliding rail 41; the spacing block 46 is positioned by the pull pin 464.
In addition, the second protrusion 432 of the sensor fixing seat 43 passes through the limiting frame 48 through the elongated through hole 481 of the limiting frame. In the embodiment of the present invention, the sensor fixing seat 43 is fixed on the sliding block 42, and because the length of the elongated through hole 481 of the limiting frame is limited, the sliding block 42 and the sensor fixing seat 43 can only slide in the elongated through hole 481 of the limiting frame along the sliding rail 41; the travel of the sliding block 42 is limited through the long-strip-shaped through hole 481 of the limiting frame, and the phenomenon that the spring fails due to the fact that the travel of the sliding block 42 exceeds the maximum stretching length of the spring 45 is avoided.
The embodiment of the utility model provides a pedal device, pedal device's specific working process as follows:
before use, the angle of the pedal assembly 3 is adjusted by rotating the handle 48, and then the sole of the foot of the patient is fixed on the pedal 31; the patient can simulate a stepping process at the treadmill.
When the patient lifts the foot, the pedal assembly 3 drives the first fixing block 47, the second fixing block 48, the sliding block 42, the sensor fixing seat 43, the pressure sensor 44 and the sliding block 42 to slide upwards along the sliding rail 41, the spring 45 gradually contracts along with the increase of the lifting height, the pressure signal of the pressure sensor 44 is continuously reduced at the moment, and the pressure value displayed in the upper computer is also continuously reduced; through the reduction of pressure numerical value, the host computer can judge that the patient is doing and is lifting the foot action this moment, and the host computer can drive other equipment assistance patient this moment and lift the foot.
When a patient steps on the foot downwards, the pedal assembly 3 drives the first fixing block 47, the second fixing block 48, the sliding block 42, the sensor fixing seat 43, the pressure sensor 44 and the sliding block 42 to slide downwards along the sliding rail 41, in the process of stepping on the foot downwards, the spring 45 can be gradually stretched, at the moment, the pressure signal of the pressure sensor 44 is continuously increased, and the pressure value displayed in the upper computer is also continuously increased; through the increase of pressure numerical value, the host computer can judge that the patient is doing and is stepping on the action down this moment, and the host computer can drive other equipment assistance patient and step on down this moment.
Additionally, the embodiment of the utility model provides a walking recovery unit is still provided, walking recovery unit contains the foot pedal device in above-mentioned embodiment, foot pedal device is in play the effect of response patient's action in the walking recovery unit, other parts of walking recovery unit except foot pedal device do not specifically limit.
The embodiment of the utility model provides a pedal device and walking recovery unit, be provided with pressure sensor 44 on the pedal device, the motion condition of patient can be fed back through the change of pressure value, and pressure sensor 44's atress remains in the vertical direction all the time, can carry out accurate measurement to patient's action data; the host computer can judge the action of the patient according to the change of the pressure value, and then drive other equipment to assist the patient to act, so that the effect of rehabilitation is greatly improved. In addition, the stress of the pedal assembly 3 is below the ankle of the user, and the actual stepping action of the human body is met; and the pedal component 3 can adjust the position and the angle correspondingly with the action of the patient, the flexibility is good, and the comfort level of the patient is improved.
In addition, the pedal device and the walking recovery device provided by the embodiment of the present invention are described in detail, and the principle and the implementation of the present invention are explained by using specific examples, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. The pedal device is characterized by comprising a pedal fixing frame and more than one pedal;
the pedal comprises a pedal component and a sensing support module, and the pedal component is arranged on the sensing support module;
the sensing support module comprises a slide rail, a slide block, a sensor fixing seat, a pressure sensor and a spring; the sliding rail is fixed on the pedal fixing frame, and the sliding block is connected with the sliding rail in a sliding manner; the sensor fixing seat is fixed on the sliding block, and the pressure sensor is fixed on the sensor fixing seat; one end of the spring is connected to the pedal fixing frame, and the other end of the spring is connected with the pressure sensor.
2. The pedaling device according to claim 1, wherein said sensing and supporting module further comprises a limiting frame, said limiting frame is fixed on said slide rail;
the limiting frame is provided with a long-strip-shaped through hole of the limiting frame;
one side of the sensor fixing seat extends out of a strip-shaped bulge along the direction vertical to the pressure sensor;
and the bulge passes through the limiting frame through the long-strip-shaped through hole of the limiting frame.
3. The pedaling device according to claim 2, wherein said sensing and supporting module further comprises a first fixed block and a second fixed block;
one ends of the first fixing block and the second fixing block are fixed on the protrusions, and the other ends of the first fixing block and the second fixing block are connected through a rotatable handle.
4. The pedaling device according to claim 3, wherein said pedal assembly comprises a pedal, a transition plate, a pedal bracket and a pedal connecting seat which are connected in sequence;
the pedal is fixed on the transition plate, and the transition plate is hinged with the pedal bracket based on a first rotating shaft; the pedal support is hinged to the pedal connecting seat based on the second rotating shaft and the pull pin.
5. The pedal device according to claim 4, wherein the pedal bracket is provided with a circular arc-shaped through hole, and the pedal connecting seat is provided with a pedal limiting through hole;
and the connection between the pedal bracket and the pedal connecting seat is limited based on the matching of the first connecting member and the arc-shaped through hole and the pedal limiting through hole.
6. The pedaling device according to claim 4, wherein a first snap spring is provided at both ends of said first rotating shaft;
and second clamp springs are arranged at two ends of the second rotating shaft.
7. The pedaling device as claimed in claim 4, wherein a spring is wound around a middle portion of the second rotating shaft, and both ends of the spring sequentially pass through the first connecting member and the fixing pin of the pedal bracket.
8. The pedaling device according to claim 4, wherein a spherical shaft is provided at the bottom of said pedal attachment base;
the first fixing block and the second fixing block are provided with hemispherical notches;
and the hemispherical notches on the first fixed block and the second fixed block are matched to form a spherical notch corresponding to the spherical shaft;
the pedal assembly and the sensing support module are fixed based on the matching of the spherical shaft and the spherical notch.
9. A walking recovery device comprising the foothold of any one of claims 1 to 8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920238807 | 2019-02-25 | ||
| CN2019202388077 | 2019-02-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211097308U true CN211097308U (en) | 2020-07-28 |
Family
ID=71688319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921744956.7U Active CN211097308U (en) | 2019-02-25 | 2019-10-17 | Pedal device and walking recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211097308U (en) |
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2019
- 2019-10-17 CN CN201921744956.7U patent/CN211097308U/en active Active
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