CN115501548B

CN115501548B - Elbow joint trainer

Info

Publication number: CN115501548B
Application number: CN202210863609.6A
Authority: CN
Inventors: 张安华; 孙付仲; 王建国
Original assignee: Nanjing Tech University
Current assignee: Nanjing Tech University
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-11-03
Anticipated expiration: 2042-07-21
Also published as: CN115501548A

Abstract

The application provides an elbow joint training device which comprises an elbow supporting unit, an arm movement unit and a base, wherein the elbow supporting unit is used for supporting an elbow; the arm movement unit is used for driving an arm part in front of the elbow joint to move in an active mode or a passive mode; the elbow supporting unit and the arm movement unit are fixedly arranged on the base, the problems that an existing elbow joint training device is complex in structure, complex in operation and high in price are solved, active training and passive training of elbow joints are achieved through a simple structure, and production and manufacturing cost is low.

Description

Elbow joint trainer

Technical Field

The application relates to the technical field of rehabilitation training auxiliary equipment, in particular to an elbow joint training device.

Background

With the aggravation of global aging, the population of China over 65 years old reaches 2.48 hundred million and accounts for 17% of the total population by 2020, wherein the upper limbs of a large part of cerebral apoplexy patients cannot correctly reflect the movement, and the movement function of the upper limbs is lost. Although the continuous improvement of the medical technology in the society of today can enable patients to survive after the illness, the sequelae such as the movement disorder of the upper limbs still cannot be changed.

Clinical medicine and medical theory have proven that in addition to early-stage operation treatment and drug treatment, correct, scientific and reasonable rehabilitation training plays an important role in recovering the movement function of the upper limbs. Exercise therapy is a main rehabilitation method and mainly solves the problems of muscle weakness, incapability of doing, standing, incapacity and the like of patients. Clinically, the physical rehabilitation of exercise commonly used is divided into an active type and a passive type, and the active type and the passive type are combined with an elbow joint training device, but the existing elbow joint training device has complex structure, complex operation and high price.

Disclosure of Invention

The elbow joint training device solves the problems of complex structure, complex operation and high price of the existing elbow joint training device, realizes active training and passive training of elbow joints through a simple structure, and has low production and manufacturing cost.

In order to achieve the above purpose, the technical scheme of the application is specifically realized as follows:

the application discloses an elbow joint training device, which comprises an elbow supporting unit, an arm movement unit and a base, wherein the elbow supporting unit is used for supporting an elbow; the arm movement unit is used for driving an arm part in front of the elbow joint to move in an active mode or a passive mode; the elbow supporting unit and the arm movement unit are fixedly arranged on the base.

Further, the display screen support is fixedly arranged on the base and used for fixing the display screen.

Further, the elbow supporting unit comprises an elbow supporting plate, the elbow supporting plate is fixed on the base, grooves for placing elbows are formed in the elbow supporting plate, two sides of the elbow supporting plate extend out of the side plates along the direction perpendicular to the plane where the base is located, and kidney grooves are formed in the side plates.

Further, the arm motion unit comprises a supporting cross column, a supporting upright column, a grabbing handle, a roller support shaft, rollers, roller motion tracks, an electric push rod and a sliding track, wherein the supporting cross column is fixedly installed on the base, the supporting upright column is connected with the supporting cross column through a movable connecting rod, the movable connecting rod is connected with the supporting cross column through an adjusting shaft, the movable connecting rod is connected with the supporting upright column through a pin shaft, the grabbing handle is connected between the two supporting upright columns through a pin shaft, the roller support shaft penetrates through the roller support, the rollers are installed at two ends of the roller support shaft, the rollers reciprocate along the roller motion tracks, the sliding track is fixedly installed on the base and used for reciprocating sliding of the roller motion tracks, one end of the electric push rod is fixedly connected with the roller support, and the other end of the electric push rod is fixedly connected with the base.

Further, a torque loader is arranged at the joint of the support upright post and the movable connecting rod and is used for applying different loads to the elbow joint training device.

Further, an angle sensor is installed at the joint of the supporting upright post and the movable connecting rod and used for collecting the amplitude value of elbow joint training.

Further, a proximity switch is arranged on the roller motion track and used for counting training cycle times.

Further, a plurality of pin holes are formed in the supporting upright post.

The beneficial technical effects are as follows:

1. the application discloses an elbow joint training device, which comprises an elbow supporting unit, an arm movement unit and a base, wherein the elbow supporting unit is used for supporting an elbow; the arm movement unit is used for driving an arm part in front of the elbow joint to move in an active mode or a passive mode; the elbow supporting unit and the arm movement unit are fixedly arranged on the base, so that the problems of complex structure, complex operation and high price of the existing elbow joint training device are solved, the active training and the passive training of elbow joints are realized through a simple structure, and the production and manufacturing cost is low;

2. in the application, two sides of the elbow supporting plate extend out of the side plates along the direction perpendicular to the plane of the base, and the side plates are provided with waist-shaped grooves which can rapidly adjust the position of the elbow supporting plate;

3. in the application, the gripping handles are connected onto two support columns through pin shafts, and the support columns are connected with movable connecting rods through pin shafts to form a revolute pair so as to realize flexible rotation;

4. in the application, the movable connecting rod is connected with the supporting cross column through the adjusting shaft, and the position of the gripping handle can be adjusted by adjusting the length of the adjusting shaft;

5. according to the application, the support upright post is provided with a plurality of pin holes, and the positions of the pin holes can be adjusted according to the length of arms of different people so as to meet the requirements of different people;

6. in the application, the roller bracket is connected between two support columns through a pin shaft to form a revolute pair capable of flexibly rotating;

7. in the application, the elbow joint training device also comprises a display screen bracket, wherein the display screen bracket is fixedly arranged on the base and used for fixing a display screen and displaying relevant training data in real time;

8. in the application, a torque loader is arranged at the joint of the support upright post and the movable connecting rod, and different loads are applied to the elbow joint training device so as to meet different requirements of different people;

9. according to the application, an angle sensor is arranged at the joint of the support upright post and the movable connecting rod, so that the amplitude value of elbow joint training is collected in real time, and the elbow joint training data is quantized.

Drawings

In order to more clearly illustrate the technical solution of the present application, the drawings that are used in the description of the embodiments will be briefly described.

FIG. 1 is a schematic view of the overall structure of an elbow joint training device according to the present application;

FIG. 2 is a schematic view of an elbow supporting plate in an elbow training device according to the present application;

FIG. 3 is a schematic view of a base of an elbow training device according to the present application;

fig. 4 is a schematic structural view of an arm movement unit in the elbow joint training device according to the present application;

FIG. 5 is a schematic view of another angle of an arm motion unit of an elbow joint training apparatus according to the present application;

fig. 6 is a schematic structural view of a roller bracket in an elbow training device according to the present application.

Fig. 7 is a view of a display interface on a display screen of an elbow training device according to the present application.

The device comprises a 1-base, a 2-elbow supporting unit, a 21-elbow supporting plate, a 211-groove, 212-side plates, a 31-supporting cross column, a 32-supporting upright column, a 33-gripping handle, a 34-roller bracket, a 35-roller supporting shaft, a 36-roller, a 37-roller moving track, a 38-electric push rod, a 39-sliding track, a 3 a-movable connecting rod, a 3 b-adjusting shaft, a 4-torque loader, a 5-angle sensor, a 6-proximity switch, a 7-display screen bracket and an 8-display screen.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.

Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

The application discloses an elbow training device, referring to fig. 1, specifically comprising a base 1, an elbow supporting unit 2 and an arm movement unit, wherein the elbow supporting unit 2 is used for supporting an elbow; the arm movement unit is used for driving the arm part in front of the elbow joint to move in an active mode or a passive mode; the elbow supporting unit 2 and the arm movement unit are arranged on the base 1, and the elbow training device disclosed by the application has the advantages of simple structure, easiness in operation and lower production and manufacturing cost.

As an embodiment of the present application, the elbow supporting unit 2 includes an elbow supporting plate 21, referring to fig. 2, the elbow supporting plate 21 is fixed on the base 1, a groove 211 for placing an elbow is formed on the elbow supporting plate 21, two sides of the elbow supporting plate 21 extend out of the side plates 212 along a direction perpendicular to a plane of the base 1, and a waist-shaped groove 213 is formed on the side plates 212, so that the front and rear positions of the elbow supporting plate 21 can be quickly adjusted.

As an embodiment of the present application, the arm movement unit includes a support cross-post 31, a support upright post 32, a grip handle 33, a roller bracket 34, a roller support shaft 35, a roller 36, a roller movement track 37, an electric push rod 38 and a sliding track 39, see fig. 4 and 5, specifically, the support cross-post 31 is fixedly installed on the base 1, the support upright post 32 is connected with the support cross-post 31 through a movable connecting rod 3a, the movable connecting rod 3a is connected with the support cross-post 31 through an adjusting shaft 3b, and the adjustment of the distance between the grip handle 33 and the elbow support plate 21 can be realized by adjusting the length of the adjusting shaft 3 b; the movable connecting rod 3a is connected with the supporting upright posts 32 through pin shafts, the gripping handle 33 is connected between the two supporting upright posts 32 through pin shafts, and the gripping handle 33, the supporting upright posts 32 and the movable connecting rod 3a form a revolute pair to realize flexible rotation of the gripping handle 33; the roller bracket 34 is connected between the two support columns 32 through a pin shaft to form a rotating pair capable of flexibly rotating, and the structure of the roller bracket is shown in fig. 6; the roller support shaft 35 penetrates the roller support 34, rollers 36 are mounted at two ends of the roller support shaft 35, the rollers 36 reciprocate along the roller motion track 37, the sliding track 39 is fixedly mounted on the base 1 for the roller motion track 37 to reciprocate, one end of the electric push rod 38 is fixedly connected with the roller support 34, the other end of the electric push rod 38 is fixedly connected with the base 1, preferably, a plurality of pin holes with different heights are formed in the support upright post 32, and the positions of the pin holes can be adjusted according to the length of arms of different people so as to meet the demands of different people.

As a preferred embodiment of the present application, the base 1 is further fixedly provided with a display screen bracket 7, the display screen bracket 7 is used for fixing a display screen 8, and the display screen is used for displaying data related to elbow joint training, including but not limited to a load applied on an elbow joint training device, an amplitude value of elbow joint training, the number of elbow joint training cycles, and the like, referring to fig. 7, the display screen is provided with a friendly interaction interface, an operator on the interface can flexibly set various training parameter values, and meanwhile, various data can be fed back in real time through the system; after training is finished, the system stores the acquired data, and can check all historical data at the same time, and when more data are available, the system can inquire the training data through the inquiry system, and unnecessary data can be deleted through the deleting function.

As a preferred embodiment of the present application, a torque loader 4 is mounted at the junction of the support post 32 and the movable connecting rod 3a for applying different loads to the elbow training device.

As a preferred embodiment of the present application, an angle sensor 5 is installed at the connection of the support post 32 and the movable connecting rod 3a for acquiring the magnitude of elbow joint training.

As an embodiment of the present application, a proximity switch 6 is installed on the roller motion rail 37 for counting training cycles.

The working process of the elbow joint training device disclosed by the application can be divided into active training and passive training:

the active training process comprises the following steps:

the active training process is to apply force by a person, perform elbow joint training, place the elbow of the person in the groove 211 in the elbow supporting plate, grasp the grip handle 33 by hand, provide reverse resistance by loading torque by the torque loader 4, push the grip handle 33 forward by using the force of the elbow of the person, collect the training movement frequency and the training movement cycle number in real time by the proximity switch 6 in the training process, display the training movement frequency and the training movement cycle number on the display screen, collect the training amplitude in real time by the angle sensor, and display the training amplitude on the display screen.

The passive training process is as follows:

the passive training process meets the rehabilitation training requirement after elbow joint injury, a thrust value, a motion amplitude, a motion frequency and a total number of motions required by the passive training are set on a display interface of a display screen, then a control system controls an electric push rod to achieve the thrust value set on the display screen, the motion amplitude of an arm motion unit is controlled to achieve the training amplitude set on the display screen, the motion frequency of the arm motion unit is controlled to achieve the motion frequency set on the display screen, an angle sensor collects the training amplitude of the training in real time and feeds back to the control system, a proximity switch collects the motion frequency and the number of times of the training in real time and feeds back to the control system, and when the number of times of motions fed back by the proximity switch is equal to the total number of motions set on the display screen, the training device automatically stops.

The elbow joint training device disclosed by the application can realize the active training and the passive training of the elbow joint, can apply different torques through the torque and torque loader, realizes the active training function of the elbow under different forces, can acquire training data in real time through a proximity switch, a torque sensor and the like and display the training data in real time through a display screen, and can store, inquire, delete and the like the training data at the same time.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above examples are only illustrative of the preferred embodiments of the present application and are not intended to limit the scope of the present application, and various modifications and improvements made by those skilled in the art to the technical solution of the present application should fall within the scope of protection defined by the claims of the present application without departing from the spirit of the design of the present application.

Claims

1. An elbow joint training device, comprising:

an elbow supporting unit (2) for supporting an elbow;

the arm movement unit is used for driving an arm part in front of the elbow joint to move in an active mode or a passive mode;

the elbow supporting unit (2) and the arm movement unit are fixedly arranged on the base (1);

the display screen comprises a base (1) and is characterized by also comprising a display screen bracket (7), wherein the display screen bracket (7) is fixedly arranged on the base (1) and is used for fixing a display screen (8);

the elbow supporting unit (2) comprises an elbow supporting plate (21), the elbow supporting plate (21) is fixed on the base (1), a groove (211) for placing an elbow is formed in the elbow supporting plate (21), two sides of the elbow supporting plate (21) extend out of a side plate (212) along the direction perpendicular to the plane where the base (1) is located, and a waist-shaped groove (213) is formed in the side plate (212);

the arm movement unit comprises a supporting cross column (31), a supporting upright column (32), a grabbing handle (34), a roller support shaft (35), a roller (36), a roller movement rail (37), an electric push rod (38) and a sliding rail (39), wherein the supporting cross column (31) is fixedly arranged on the base (1), the supporting upright column (32) is connected with the supporting cross column (31) through a movable connecting rod (3 a), the movable connecting rod (3 a) is connected with the supporting cross column (31) through an adjusting shaft (3 b), the movable connecting rod (3 a) is connected with the supporting upright column (32) through a pin shaft, the grabbing handle (33) is connected between the two supporting upright columns (32) through a pin shaft, the roller support shaft (35) penetrates through the roller support shaft (34), the rollers (36) are arranged at two ends of the roller support shaft (35), the rollers (36) reciprocate along the roller movement rail (37), the rollers (39) are fixedly arranged on one end of the roller support shaft (32) in a reciprocating manner, and the roller support (34) is fixedly connected with one end of the roller support shaft (38), the other end is fixedly connected with the base (1); a plurality of pin holes are formed in the supporting upright post (32).

2. An elbow training device according to claim 1, wherein a torque loader (4) is mounted at the junction of the support post (32) and the movable connecting rod (3 a) for applying different loads to the elbow training device.

3. An elbow joint training device according to claim 2, wherein the joint of the support upright (32) and the movable connecting rod (3 a) is provided with an angle sensor (5) for acquiring the amplitude of elbow joint training.

4. An elbow joint training device according to claim 1, wherein the roller motion track (37) is provided with a proximity switch (6) for counting training cycles.