CN112190443A

CN112190443A - Training mechanism and bedside lower limb muscle strength quantitative training device

Info

Publication number: CN112190443A
Application number: CN202011183743.9A
Authority: CN
Inventors: 龙建军; 周明超; 王玉龙; 黄宇涛; 吕星; 李冬霞; 翁红云; 李小萍; 李雅薇; 王春宝; 段丽红; 刘铨权; 罗承开; 王同; 张广帅; 毛志贤; 林焯华
Original assignee: Shenzhen Second Peoples Hospital
Current assignee: Shenzhen Second Peoples Hospital
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-01-08

Abstract

The invention belongs to the technical field of medical instruments, and particularly discloses a training mechanism which comprises a rotating arm component and a driving component, wherein the rotating arm component comprises a fixed seat, a first rotating arm, a second rotating arm and a pedal; the second rotating arm and the fixed seat are rotatably arranged at two ends of the first rotating arm, and the pedal plate is rotatably connected to one end of the second rotating arm; the driving assembly comprises a motor and a synchronous belt, and one end of the first rotating arm is fastened with a driving shaft of the motor. The foot of a patient steps on the pedal plate, and then the first rotating arm and the second rotating arm are driven to move under the driving action of the driving assembly, so that the lower limbs of the patient are driven to stretch, and the rehabilitation training of the patient can be well assisted; the invention also provides a bedside lower limb muscle strength quantification training device which can assist a patient in stretching and contracting the lower limb and further assist the patient in lower limb muscle strength training.

Description

Training mechanism and bedside lower limb muscle strength quantitative training device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a training mechanism and a bedside lower limb muscle strength quantitative training device.

Background

In the prior art, when the lower limbs of a patient are rehabilitated and trained, the lower limbs of the patient cannot be conveniently and flexibly driven to stretch due to the lack of a necessary auxiliary training mechanism, so that great trouble is brought to the health of the patient lying in bed for a long time.

Disclosure of Invention

The first purpose of the invention is to provide a training mechanism which can assist the extension and contraction of the lower limbs of a patient, and then provide better assistance for the lower limb rehabilitation training of the patient.

A second object of the present invention is to provide a bedside lower limb muscle strength quantification training device, which can assist a patient in performing lower limb muscle strength training, and thus provide great convenience for the rehabilitation of the patient.

In order to achieve the purpose, the invention adopts the following technical scheme:

an exercise mechanism comprising:

the rotating arm assembly comprises a fixed seat, a first rotating arm, a second rotating arm and a pedal plate which are sequentially and rotatably connected; the second rotating arm and the fixed seat are rotatably arranged at two ends of the first rotating arm, and the pedal plate is rotatably connected to one end, far away from the first rotating arm, of the second rotating arm;

the driving assembly is used for driving the first rotating arm and the second rotating arm to rotate, the driving assembly comprises a motor erected on the fixed seat and a synchronous belt connected with rotating shafts at two ends of the first rotating arm, one end of the first rotating arm is fastened with a driving shaft of the motor, and when the motor drives the first rotating arm and the second rotating arm to be linked, the pedal is in a horizontal motion state.

The cross section of the first rotating arm is arranged in a U shape, and the synchronous belt is arranged in the U-shaped groove of the first rotating arm.

The middle of the U-shaped groove of the first rotating arm is transversely provided with a main shaft, and the main shaft is provided with a first belt wheel and a second belt wheel along the length direction.

One side wall of the U-shaped groove is rotatably connected with one side wall of the fixing seat through a first pivot shaft, the first pivot shaft is provided with a third belt wheel, and the other side wall of the U-shaped groove is fastened with a driving shaft of a motor arranged on one side wall of the fixing seat.

And a fourth belt wheel is sleeved on a second pivot shaft connected with the first rotating arm and the second rotating arm.

The synchronous belt comprises a first synchronous belt and a second synchronous belt, and the first synchronous belt is sleeved on the second belt wheel and the fourth belt wheel; the second synchronous belt is sleeved on the first belt wheel and the third belt wheel.

The second rotating arm comprises a first L-shaped arm, a second L-shaped arm, a supporting shaft and a third pivoting shaft, wherein the first L-shaped arm and the second L-shaped arm are arranged in parallel at intervals, and the supporting shaft and the third pivoting shaft are arranged between the first L-shaped arm and the second L-shaped arm.

The pedal comprises a U-shaped support and a pedal vertically fastened with a bottom plate between two side walls of the U-shaped support, the pedal is fastened with two side walls of the U-shaped support respectively, a pressure sensor is arranged on a bearing surface of the pedal, and the U-shaped support is rotatably connected with the second rotating arm through the third pivot shaft.

The fixing seat comprises a bottom plate and two supporting walls vertically fastened with the bottom plate.

A bedside lower limb muscle strength quantification training device comprises the training mechanism.

The invention has the beneficial effects that: the invention discloses a training mechanism, which comprises a rotating arm component and a driving component, wherein the rotating arm component comprises a fixed seat, a first rotating arm, a second rotating arm and a pedal which are sequentially and rotatably connected; the second rotating arm and the fixed seat are rotatably arranged at two ends of the first rotating arm, and the pedal plate is rotatably connected to one end, far away from the first rotating arm, of the second rotating arm; the driving assembly comprises a motor erected on the fixed seat and a synchronous belt connected with rotating shafts at two ends of the first rotating arm, one end of the first rotating arm is fastened with a driving shaft of the motor, and when the motor drives the first rotating arm and the second rotating arm to be linked, the pedal is in a horizontal motion state. With the training mechanism of this structural design, patient's foot steps on the running-board, later under drive assembly's drive effect, drives first rotor arm and second rotor arm motion, then drives patient's low limbs and stretches out and draws back to this can be better the assistance patient carry out the rehabilitation training.

The invention also provides a bedside lower limb muscle strength quantification training device which can assist a patient in stretching and contracting the lower limb and further assist the patient in lower limb muscle strength training.

Drawings

FIG. 1 is a first isometric view of an exercise mechanism of the present invention.

FIG. 2 is a second isometric view of an exercise mechanism of the present invention.

In the figure:

11. a fixed seat; 12. a first rotation arm; 13. a second rotating arm; 131. a first L-shaped arm; 132. a second L-shaped arm; 133. a support shaft; 134. a third pivot shaft; 14. a foot pedal 141, a U-shaped bracket; 142. a pedal; 21. a motor; 22. a main shaft; 23. a first pulley; 25. a first pivot shaft; 26. a third belt pulley; 27. a second pivot shaft; 31. a first synchronization belt; 32. a second timing belt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Referring to fig. 1 to 2, the present embodiment provides a training mechanism, which includes a rotating arm assembly and a driving assembly, specifically, the rotating arm assembly includes a fixed seat 11, a first rotating arm 12, a second rotating arm 13 and a pedal 14, which are rotatably connected in sequence; the second rotating arm 13 and the fixing base 11 are rotatably disposed at both ends of the first rotating arm 12, and the foot pedal 14 is rotatably connected to one end of the second rotating arm 13 away from the first rotating arm 12. Thereby enabling relative rotation between the components.

More specifically, in the present embodiment, in order to drive the first rotating arm 12 and the second rotating arm 13 to rotate, a driving assembly is further disposed at the first rotating arm 12 and the fixed base 11, the driving assembly includes a motor 21 mounted on the fixed base 11, and a timing belt connected to a rotating shaft at two ends of the first rotating arm 12, and one end of the first rotating arm 12 is fastened to a driving shaft of the motor 21.

Preferably, the first rotation arm 12 in the present embodiment is provided with a U-shaped cross section, and a driving shaft of the motor 21 is fastened to a side wall of the U-shaped groove of the first rotation arm 12, so that the first rotation arm 12 is driven to rotate around the driving shaft of the motor 21 by the rotation of the motor 21.

Further, in order to synchronously drive the second rotating arm 13 to rotate by the rotation of the first rotating arm 12, a main shaft 22 is transversely provided in the middle of the U-shaped groove of the first rotating arm 12 in the present embodiment, and the main shaft 22 is provided with a first pulley 23 and a second pulley in the length direction. A first pivot shaft 25 pivotally connected to a side wall of the fixed base 11 is disposed on a side wall of the U-shaped groove of the first pivot arm 12 opposite to the driving shaft of the motor 21, the first pivot shaft 25 is fastened to a side wall of the U-shaped groove of the first pivot arm 12 and is rotatably connected to a side wall of the fixed base 11, and a third belt wheel 26 is sleeved on an end of the first pivot shaft 25 close to the driving shaft of the motor 21.

Further, the second pivot shaft 27 connecting the first rotating arm 12 and the second rotating arm 13 is sleeved with a fourth pulley. Preferably, both ends of the second pivot shaft 27 are fastened to both side walls of the second rotating arm 13, and are rotatably engaged with both side walls of the first rotating arm 12.

Further, in order to facilitate power transmission, in the present embodiment, a timing belt is disposed in the U-shaped groove of the first rotating arm 12 along the length direction, the timing belt includes a first timing belt 31 and a second timing belt, and the first timing belt 31 is sleeved on the second pulley and the fourth pulley; the second timing belt 32 is sleeved on the first pulley 23 and the third pulley 26. Therefore, the first rotating arm 12 is driven to rotate around the driving shaft of the motor 21 by the rotation of the motor 21, and at the same time, the third belt wheel 26 is driven to rotate, then the first belt wheel 23 is driven to rotate by the second synchronous belt 32, then the second belt wheel is driven to rotate by the main shaft 22, then the fourth belt wheel is driven to rotate by the first synchronous belt 31, and finally the second rotating arm 13 is driven to rotate around one end of the first rotating arm 12 synchronously. Therefore, the mechanism can simulate the movement between thighs and calves of a human body, and can assist a rehabilitee to perform lower limb rehabilitation exercise by adjusting the rotating speed of the motor 21.

Further, in the process of rotating the first rotating arm 12 and the second rotating arm 13, since the foot pedal 14 is rotatably connected to one end of the second rotating arm 13, when the motor drives the first rotating arm 12 and the second rotating arm 13 to be linked, the foot pedal is in a horizontal motion state, so that the legs of the patient can be extended and retracted horizontally along the bed surface all the time.

More specifically, in the present embodiment, for convenience of installation, the second rotating arm 13 includes a first L-shaped arm 131 and a second L-shaped arm 132 disposed in parallel and spaced apart, and a supporting shaft 133 and a third pivot shaft 134 disposed between the first L-shaped arm 131 and the second L-shaped arm 132, and preferably, two ends of the third pivot shaft 134 are fastened to the corresponding first L-shaped arm 131 and the second L-shaped arm 132, respectively.

More specifically, the pedal 14 rotatably connected to the third pivot shaft 134 in this embodiment includes a U-shaped bracket and a pedal 142 vertically fastened to the bottom plate between two side walls of the U-shaped bracket, the pedal 142 is respectively fastened to two side walls of the U-shaped bracket, and further, in order to better control the rotation angle and the rotation speed of the motor 21, a pressure sensor is disposed on a bearing surface of the pedal 142 in this embodiment, so as to transmit data collected by the pressure sensor to an external electronic control device, and then the operation of the motor 21 is controlled by the external electronic control device.

Furthermore, the fixing base 11 in this embodiment includes a bottom plate and two supporting walls fastened to the bottom plate vertically. The two supporting walls are respectively rotatably connected to two side walls of the U-shaped groove of the corresponding first rotating arm 12.

In addition, this embodiment also provides a bedside lower limbs muscle strength quantization trainer, includes above-mentioned training mechanism. Before rehabilitation training, a fixed seat 11 of the training mechanism can be fixed to one end of a sickbed by a patient, then feet of the patient lying on the sickbed are stepped on a pedal 14, and then the lower limb muscles of the patient are subjected to strength rehabilitation training by the aid of rotation of a first rotating arm 12 and a second rotating arm 13. In this way, great convenience, convenience and practicability can be provided for the rehabilitation training of patients.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. An exercise mechanism, comprising:

the rotating arm assembly comprises a fixed seat (11), a first rotating arm (12), a second rotating arm (13) and a pedal (14) which are connected in sequence in a rotating manner; the second rotating arm (13) and the fixed seat (11) are rotatably arranged at two ends of the first rotating arm (12), and the pedal (14) is rotatably connected to one end, far away from the first rotating arm (12), of the second rotating arm (13);

the driving assembly is used for driving the first rotating arm (12) and the second rotating arm (13) to rotate, the driving assembly comprises a motor (21) erected on the fixed seat (11) and a synchronous belt connected with rotating shafts at two ends of the first rotating arm (12), and one end of the first rotating arm (12) is fastened with a driving shaft of the motor (21); when the motor (21) drives the first rotating arm (12) and the second rotating arm (13) to be linked, the pedal (14) is in a horizontal movement state.

2. An exercise mechanism according to claim 1, wherein the first rotatable arm (12) is U-shaped in cross-section and the timing belt is disposed in a U-shaped slot in the first rotatable arm (12).

3. Training mechanism according to claim 2, wherein the first turning arm (12) is provided with a spindle (22) transversely in the middle of the U-shaped groove, said spindle (22) being provided with a first pulley (23) and a second pulley in the length direction.

4. A training mechanism as claimed in claim 3, characterized in that one side wall of the U-shaped groove is rotatably connected to one side wall of the holder (11) by a first pivot shaft (25), the first pivot shaft (25) is sleeved with a third pulley (26), and the other side wall of the U-shaped groove is fastened to a driving shaft of a motor (21) provided on one side wall of the holder (11).

5. An exercise mechanism according to claim 4, wherein the second pivot axis (27) connecting the first pivoting arm (12) and the second pivoting arm (13) is provided with a fourth pulley.

6. An exercise mechanism as claimed in claim 5, wherein the timing belt comprises a first timing belt (31) and a second timing belt, the first timing belt (31) being mounted around the second pulley and the fourth pulley; the second synchronous belt is sleeved on the first belt wheel (23) and the third belt wheel (26).

7. An exercise mechanism according to claim 1, wherein the second rotatable arm (13) comprises first (131) and second (132) spaced parallel arms, and a support shaft (133) and third pivot shaft (134) disposed between the first (131) and second (132) arms.

8. An exercise mechanism as claimed in claim 7, wherein the pedal (14) comprises a U-shaped bracket (141), and a pedal (142) fastened perpendicularly to the bottom plate between the two side walls of the U-shaped bracket (141), the pedal (142) is fastened to the two side walls of the U-shaped bracket (141), respectively, the bearing surface of the pedal (142) is provided with a pressure sensor, and the U-shaped bracket (141) is rotatably connected to the second rotating arm (13) through the third pivot shaft (134).

9. An exercise mechanism according to claim 1, wherein the holder (11) comprises a base plate and two support walls fastened perpendicularly to the base plate.

10. A bedside lower limb muscle strength quantification training device, comprising the training mechanism of any one of claims 1 to 9.