CN115501548A

CN115501548A - Elbow joint training device

Info

Publication number: CN115501548A
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: 2022-12-23
Anticipated expiration: 2042-07-21
Also published as: CN115501548B

Abstract

The invention 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 the arm part in front of the elbow joint to move in an active mode or a passive mode; elbow support unit with arm motion unit fixed mounting has solved current elbow joint trainer structure complicacy, complex operation and the problem of high price, realizes elbow joint's initiative training and passive training through simple structure, and production low in manufacturing cost.

Description

Elbow joint training device

Technical Field

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

Background

With the increase of global aging, by 2020, people over 65 years old in China reach 2.48 hundred million, accounting for 17% of the total population, wherein the upper limbs of a great number of stroke patients cannot correctly reflect the movement, resulting in the loss of the motor function of the upper limbs. Although the medical treatment technology of the modern society can be continued after the disease, the sequelae of the upper limb movement disorder and the like can not be changed.

Clinical medicine and medical theory have proved that the correct, scientific and reasonable rehabilitation training of the patients plays an important role in recovering the upper limb movement function except the early-stage operation treatment and the medication treatment. Exercise therapy is a main rehabilitation method and mainly solves the problems that muscles of patients are weak, and the patients cannot do, stand and walk. Clinically, the common physical rehabilitation therapy for exercise is divided into an active type and a passive type, and an elbow joint training device is required to be combined no matter the active type or the passive type, but the existing elbow joint training device is complex in structure, complex to operate and high in price.

Disclosure of Invention

The elbow joint training device disclosed by the invention 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 is low in production and manufacturing cost.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the invention 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 the 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 moving unit are fixedly installed on the base.

Further, still include the display screen support, the display screen support fixed mounting be in on the base for fixed display screen.

Further, the elbow supporting unit comprises an elbow supporting plate, the elbow supporting plate is fixed to the base, a groove for placing an elbow is formed in the elbow supporting plate, side plates extend out of two sides of the elbow supporting plate in the direction perpendicular to the plane where the base is located, and a waist-shaped groove is formed in each side plate.

Further, the arm movement unit is including supporting the spreader, support post, gripping handle, gyro wheel support, gyro wheel back shaft, gyro wheel motion track, electric putter and slide the track, support the spreader fixed mounting in on the base, the support post passes through swing joint pole and connects the support spreader, swing joint pole passes through the regulating spindle and connects the support spreader, swing joint pole passes through the round pin hub connection the support post, the gripping handle passes through the round pin hub connection between two support posts, the gyro wheel support passes through the round pin hub connection between two support posts, the gyro wheel back shaft runs through the gyro wheel support, the gyro wheel is installed at the both ends of gyro wheel back shaft, the gyro wheel is followed the gyro wheel motion track carries out reciprocating motion, slide the track fixed mounting be in on the base, for the gyro wheel motion track carries out reciprocating sliding, electric putter's one end fixed connection the gyro wheel support, the other end fixed connection the base.

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

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

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

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

The beneficial technical effects are as follows:

1. the invention 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 the 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 conventional elbow joint training device are solved, the active training and the passive training of the elbow joint are realized through a simple structure, and the production and manufacturing cost is low;

2. according to the invention, two sides of the elbow supporting plate extend out of a side plate along a direction vertical to a plane where the base is located, and the side plate is provided with a kidney-shaped groove, so that the position of the elbow supporting plate can be quickly adjusted;

3. according to the invention, the gripping handle is connected to the two support columns through a pin shaft, and the support columns are connected with the movable connecting rod through the pin shaft to form a revolute pair, so that flexible rotation is realized;

4. according to the invention, the movable connecting rod is connected with the supporting transverse column through the adjusting shaft, and the position of the gripping handle can be adjusted by adjusting the length of the adjusting shaft;

5. in the invention, 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 lengths of arms of different people so as to meet the requirements of different people;

6. in the invention, the roller bracket is connected between two supporting upright posts through a pin shaft to form a flexible rotating revolute pair;

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

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

Drawings

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

FIG. 1 is a schematic view of the overall construction of an elbow training device according to the present invention;

FIG. 2 is a schematic view illustrating an elbow supporting plate of the elbow joint training apparatus according to the present invention;

FIG. 3 is a schematic view of a base of the elbow training device of the present invention;

FIG. 4 is a schematic diagram of an arm movement unit of the elbow training device according to the present invention;

FIG. 5 is a schematic view of an arm movement unit of an elbow training device according to another embodiment of the present invention;

fig. 6 is a schematic structural view of a roller support in the elbow training device according to the present invention.

Fig. 7 is a display interface diagram of a display screen of the elbow training device according to the present invention.

The multifunctional elbow support comprises a base 1, an elbow support unit 2, an elbow support plate 21, a groove 211, a side plate 212, an arm movement unit 3, a support transverse column 31, a support upright column 32, a grasping handle 33, a roller support 34, a roller support shaft 35, a roller 36, a roller 37, a roller movement track 38, an electric push rod 39, a sliding track 39, a movable connecting rod 3a, an adjusting shaft 3b, a torque loader 4, an angle sensor 5, a proximity switch 6, a display screen support 7 and a display screen 8.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

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 example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

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

The invention discloses an elbow training device, which is shown in figure 1 and specifically comprises a base 1, an elbow supporting unit 2 and an arm movement unit 3, wherein the elbow supporting unit 2 is used for supporting an elbow; the arm motion unit 3 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 3 are fixedly arranged on the base 1, and the elbow training device disclosed by the invention is simple in structure, easy to operate and low in production and manufacturing cost.

As an embodiment of the present invention, 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 recess 211 for placing an elbow is formed on the elbow supporting plate 21, side plates 212 are extended from both sides of the elbow supporting plate 21 in a direction perpendicular to a plane of the base 1, and a waist-shaped slot 213 is formed on the side plates 212, so that the front and rear positions of the elbow supporting plate 21 can be rapidly adjusted.

As an embodiment of the present invention, the arm movement unit 3 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 slide track 39, referring to 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 a pin shaft, the gripping handle 33 is connected between the two supporting upright posts 32 through a pin shaft, and the gripping handle 33, the supporting upright posts 32 and the movable connecting rod 3a form a revolute pair to realize the flexible rotation of the gripping handle 33; the roller bracket 34 is connected between the two supporting upright posts 32 through a pin shaft to form a flexible rotary pair, and the structure of the roller bracket is shown in fig. 6; roller support shaft 35 runs through roller bracket 34, roller 36 is installed at the both ends of roller support shaft 35, roller 36 carries out reciprocating motion along roller motion track 37, slide track 39 fixed mounting on base 1, for roller motion track 37 to carry out reciprocating sliding, electric putter 38's one end fixed connection roller bracket 34, other end fixed connection base 1, preferably, a plurality of pinhole of high difference has been seted up on the support post 32, can be according to the length of different people's arm, adjust the position in pinhole, in order to satisfy different crowds ' demand.

As a preferred embodiment of the present invention, a display screen support 7 is further fixedly disposed on the base 1, the display screen support 7 is used to fix a display screen 8, and the display screen is used to display data related to elbow joint training, including but not limited to a load applied on the elbow joint training device, an amplitude of the elbow joint training, and the number of elbow joint training cycles, etc., referring to fig. 7, the display screen is provided with a friendly interactive interface, an operator can flexibly set various training parameter values on the interface, and various data can be fed back through the system in real time; after training is finished, the system stores the collected data, all historical data can be checked, when the data are more, the training data can be inquired through the inquiry system, and the unnecessary data can be deleted through the deleting function.

As a preferred embodiment of the present invention, a torque loader 4 is installed at the connection of the support post 32 and the movable connecting rod 3a to apply various loads to the elbow training device.

As a preferred embodiment of the present invention, an angle sensor 5 is installed at the connection of the support post 32 and the movable connection rod 3a to collect the amplitude of the elbow joint training.

As an embodiment of the present invention, a proximity switch 6 is installed on the wheel movement track 37 to count the number of training cycles.

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

the active training process comprises the following steps:

the process of initiative training is for exerting oneself through people oneself, carry out the elbow joint training, people's elbow is put in recess 211 in the elbow backup pad, grasp gripping handle 33 with the hand, 4 loading torques through the moment of torsion loader provide reverse resistance, utilize self elbow strength to promote gripping handle 33 forward, in the training process, proximity switch 6 gathers the motion frequency and the motion cycle number of times of training in real time, and show on the display screen, the amplitude of training is gathered in real time to angle sensor, and show on the display screen.

The passive training process comprises the following steps:

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

The elbow joint training device disclosed by the invention can realize active training and passive training of elbow joints, can apply different torques through the torque loader, realizes the active training function of the elbow under different forces, can acquire training data in real time through the proximity switch, the torque sensor and the like and display the training data in real time through the display screen, can store, inquire, delete and the like the training data, and is simple in structure and convenient to operate.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. An elbow training device, comprising:

an elbow supporting unit (2) to support an elbow;

the arm motion unit (3) 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 moving unit (3) are fixedly installed on the base (1).

2. The elbow training device according to claim 1, further comprising a display screen support (7), wherein the display screen support (7) is fixedly mounted on the base (1) for fixing a display screen (8).

3. The elbow joint training device according to claim 1, wherein 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), side plates (212) extend out of two sides of the elbow supporting plate (21) in a direction perpendicular to a plane where the base (1) is located, and a waist-shaped groove (213) is formed in each side plate (212).

4. The elbow joint training device according to claim 1, wherein the arm movement unit (3) comprises a support cross post (31), a support upright post (32), a gripping 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), 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 (3 a), the movable connecting rod (3 a) is connected with the support cross post (31) through an adjusting shaft (3 b), the movable connecting rod (3 a) is connected with the support upright post (32) through a pin shaft, the gripping handle (33) is connected between the two support upright posts (32) through a pin shaft, the roller support shaft (35) penetrates through the roller bracket (34), the roller (36) is installed at both ends of the support shaft (35), the roller (36) is installed on the roller movement track (37), and the roller movement track (37) is installed on the base for reciprocating movement, and the roller (39) is installed on the sliding track, one end of the electric push rod (38) is fixedly connected with the roller wheel bracket (34), and the other end of the electric push rod is fixedly connected with the base (1).

5. An elbow training device according to claim 4, characterized in that the connection of the support post (32) and the movable connecting rod (3 a) is equipped with a torque loader (4) for applying different loads to the elbow training device.

6. An elbow training device according to claim 4, characterized in that the connection between the support post (32) and the movable connecting rod (3 a) is equipped with an angle sensor (5) for acquiring the amplitude of the elbow training.

7. The elbow training device according to claim 4, wherein the roller motion track (37) is provided with a proximity switch (6) for counting the number of training cycles.

8. The elbow training device as claimed in claim 4, wherein the support post (32) has a plurality of pin holes formed therein.