CN210744877U - Motor element and educational robot - Google Patents

Abstract

The utility model provides a motor element and educational machine people. The utility model discloses a motor element includes eccentric output shaft motor and motor support, and eccentric output shaft motor includes motor main part and the eccentric motor shaft of installing in motor main part. The motor support is provided with a plurality of positioning holes, and the motor main body can be selectively matched with parts in the positioning holes for positioning, so that the motor main body can be fixed at different positions, the motor shafts at different positions can be adjusted, and the motor support can be suitable for different moving structures.

Description

Motor element and educational robot

Technical Field

The utility model relates to a teaching aid equipment technical field particularly, relates to a motor element and education robot.

Background

The robot in the science and technology education field of primary and secondary schools is always a popular discipline, and the moving structure in common robot teaching aids is mainly a wheeled moving structure and a crawler moving structure, and is subdivided into wheels with common shapes and Mecanum wheels with special shapes in wheeled moving. By learning the movement structure, primary and secondary school students can master the basic robot movement principle and realize basic control through programming. The mobile function is the indispensable function of robot, therefore middle and primary school's robot teaching aid all can possess the mobile structure, but because factors such as structure, cost, above-mentioned mobile mechanism mostly exists in the single mode, can not accomplish the mode switch swiftly, can not switch at all even, has caused some obstacles in study.

The following two common moving structures are used to illustrate the problem that the single motor bracket in the prior art cannot switch modes, which hinders multi-functionalization.

The wheel type moving structure is the most common moving solution, a robot teaching aid adopting the wheel type moving structure can directly fix a speed reduction motor on a chassis through a support, the motor support is usually in a U shape, an L shape or a T shape, and then wheels are directly installed on an output shaft of the motor to output. The wheel type moving structure has the advantages of simple structure and high moving speed, and the structure adopting four-wheel drive or even six-wheel drive can also have good obstacle crossing capability, so that the wheel type moving structure is widely applied to the fields of vehicles, robots and the like. The wheel type moving structure applied to the robot teaching aid is restricted by factors such as cost, a low-power speed reducing motor is adopted, the size is small, the output torque is small, and therefore the motor support cannot bear large acting force, and the robot teaching aid is simple in structure, single in function and easy to produce.

However, in the wheel-type moving structure, the motor bracket has a simple structure, generally only provides a fixing function of a single installation mode, and does not support multiple installation modes, so that the installation position of the motor is fixed, and the motor bracket does not have adjustability. The single fixed position can not satisfy the experiment of crossing the obstacle through changing motor mounting height, and learning and cognition to the wheel formula removal structure can have some restrictions. In addition, the common support only supports a motor with a certain fixed model, and does not support direct replacement of motors with multiple models. If the teaching aid of robot needs to be changed the motor and remove the demand of structure in order to satisfy other modes, just need to be taken the support together and change, will increase the cost of teaching aid.

Crawler-type removes structure and is often used in the relatively poor environment of ground situation, effectively decomposes the pressure to ground through wide track, and the guarantee equipment can not stranded when passing through relatively poor ground. The common crawler-type structure comprises a driving wheel and a tensioning wheel, wherein the driving wheel is used for driving the crawler to rotate, is positioned above the moving structure and is not in contact with the ground; the tensioning wheel is used for rotating along with the crawler belt, is located below the moving structure and indirectly contacts with the ground through the crawler belt. In the robot teaching aid, because chassis space and cost restriction, the crawler-type removes the structure and can simplify to some extent, fuses into a wheel with drive wheel and take-up pulley. In the crawler-type moving structure, a driving motor is positioned at a higher position of a chassis, and in order to reduce cost and simplify the structure, a common robot teaching aid can directly fix the motor on the chassis; there is also a structure that the motor is fixed by a bracket and then the bracket is connected and fixed with the chassis.

However, in crawler-type removal structure, the chassis simple structure that the teaching aid of robot adopted, mostly once stamping forming, therefore the position that driving motor installed on the chassis is fixed can not change, can't be changed into the removal structure of other forms through the high low position of adjustment driving motor. The driving motor is installed on the motor support firstly and then is installed on the chassis, the motor support is generally simple in structure, only the installation of the fixed position of the motor of a specific model is met, and the adjustment support for the installation position of the motor is insufficient.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a motor assembly and an educational robot, which can solve the technical problem that the mobile structure of the educational robot in the prior art is fixed and can not be changed flexibly according to the needs of the user.

In order to achieve the above object, according to an aspect of the present invention, there is provided a motor assembly including: the eccentric output shaft motor comprises a motor main body and a motor shaft eccentrically arranged on the motor main body; the motor support is provided with a plurality of positioning holes, and the motor main body can be selectively matched and positioned with parts in the positioning holes.

In one embodiment, a motor assembly motor bracket includes: the motor comprises a limiting plate, a motor body and a motor body, wherein the limiting plate is provided with a limiting hole, and the limiting hole is used for installing the motor body; the fixed plate sets up for the limiting plate interval, and a plurality of locating holes are seted up on the fixed plate, have seted up between a plurality of locating holes of lieing in on the fixed plate and dodge the hole, dodge the hole and be used for dodging the motor shaft.

In one embodiment, the side part of the motor main body is clamped in the limiting hole, and the end part of the motor main body is abutted to the fixing plate and is matched and positioned with parts in the plurality of positioning holes.

In one embodiment, the motor body is cylindrical, the limiting hole is circular, and the positioning holes are arranged in a circle.

In one embodiment, the fixing plate is provided with a first mounting hole.

In one embodiment, the limiting plate is provided with a second mounting hole.

In one embodiment, the motor assembly motor support further comprises a connecting plate, the connecting plate is connected between the limiting plate and the fixing plate, and a third mounting hole is formed in the connecting plate.

In one embodiment, the motor assembly further comprises: the expansion plate is detachably connected with the fixing plate; and a moving part mounted on the expansion board.

In one embodiment, the avoiding hole is formed with a plurality of matching parts matched with the end part of the motor main body, and each matching part corresponds to one motor shaft position.

According to another aspect of the utility model, an educational robot is provided, including motor element, motor element is foretell motor element.

Use the technical scheme of the utility model, seted up a plurality of locating holes on the motor support, the motor subject is optional with the partial cooperation location in a plurality of locating holes to realize the fixed of motor subject in different positions, thereby realize the adjustment of the motor shaft of different positions, thereby can be applicable to different mobile structure.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. In the drawings:

fig. 1 shows a perspective and front view schematic diagram of a first state of an embodiment of a motor assembly according to the present invention;

fig. 2 shows a perspective and front view of the motor assembly of fig. 1 in a second state;

fig. 3 shows a perspective and front view of a third state of the motor assembly of fig. 1;

fig. 4 shows a schematic perspective view of a motor bracket of the motor assembly of fig. 1;

FIG. 5 shows a left side view schematic of the motor mount of FIG. 4;

figures 6 and 7 show a schematic view of the motor mount of figure 5 applied in a crawler-type mobile configuration;

fig. 8 shows a schematic view of a crawler type moving structure of an educational robot according to the present invention;

fig. 9 shows a schematic view of a wheel type moving structure of an educational robot according to the present invention.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances for describing embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

In order to solve the technical problem that the moving structure form of the educational robot in the prior art is fixed and can not be changed flexibly according to the needs of the user, as shown in fig. 1, fig. 4 and fig. 5, the motor assembly of the utility model comprises an eccentric output shaft motor 10 and a motor bracket 20, wherein the eccentric output shaft motor 10 comprises a motor main body 11 and a motor shaft 12 eccentrically installed on the motor main body 11. The motor bracket 20 is provided with a plurality of positioning holes 221, and the motor body 11 can be selectively matched and positioned with parts of the plurality of positioning holes 221, so that the motor body 11 can be fixed at different positions, the motor shafts 12 at different positions can be adjusted, and the motor bracket can be suitable for different moving structures. For example, as shown in fig. 1 and 9, the height of the motor shaft 12 can be adjusted higher for large wheels; as shown in fig. 2, the height of the motor shaft 12 can be adjusted lower for small wheels; as shown in fig. 3 and 8, the motor shaft 12 can be adjusted forward for a crawler-type traveling structure.

As shown in fig. 1, 4 and 5, in the technical solution of this embodiment, the motor assembly motor bracket 20 includes a limiting plate 21 and a fixing plate 22, the limiting plate 21 is provided with a limiting hole 211, and the limiting hole 211 is used for installing the motor main body 11. The fixing plate 22 is disposed at intervals relative to the limiting plate 21, the plurality of positioning holes 221 are formed in the fixing plate 22, the avoiding holes 222 are formed in the fixing plate 22 and located between the plurality of positioning holes 221, and the avoiding holes 222 are used for avoiding the motor shaft 12. When the motor is used, the motor body 11 is firstly installed on the limiting hole 211, then the motor shaft 12 penetrates through the avoiding hole 222, a proper position of the motor shaft 12 is selected, and then the motor body 11 is fixed through the positioning hole 221 on the fixing plate 22. As shown in fig. 1, the side portion of the motor body 11 is clamped in the limiting hole 211, and the end portion of the motor body 11 abuts against the fixing plate 22 and is positioned in cooperation with the portions of the plurality of positioning holes 221. Optionally, the end of the motor main body 11 may be fixed by a screw passing through the positioning hole 221, and a screw hole matching with the screw may also be formed in the end of the motor main body 11. Preferably, in the technical solution of this embodiment, the motor body 11 is cylindrical, the limiting hole 211 is circular, and the plurality of positioning holes 221 are arranged in a circular shape. Corresponding to the above-mentioned structure of the motor bracket 20, before fixing the end of the motor body 11, it is only necessary to rotate the motor body 11, rotate the motor shaft 12 to a corresponding position, and then fix the end of the motor body 11 through the corresponding positioning hole 221. Optionally, in the technical solution of this embodiment, as shown in fig. 5, a plurality of matching portions adapted to the end of the motor main body 11 are formed on the avoiding hole 222, and each matching portion corresponds to a position of the motor shaft. Specifically, in the technical solution of the present embodiment, as shown in fig. 5, a total of 6 motor shaft positions of 1, 2, 3, 4, 5, and 6 are formed on the avoiding hole 222. The 6 positions have a characteristic that the axes of the output shafts are on the same circumference, and the radius of the circumference is the eccentric value of the eccentric output shaft motor. The wheel ground clearance can be adjusted by selecting different motor shaft positions, and the specific implementation process is as follows: when the eccentric output shaft motor is installed at position No. 2, corresponding to the first state of fig. 1; when the eccentric output shaft motor is installed at position No. 5, corresponding to the second state of fig. 2; when the eccentric output shaft motor is mounted in position No. 3, it corresponds to the third state of fig. 3.

Optionally, in the technical solution of this embodiment, the eccentric output shaft motor 10 is divided into a normal type without an encoder and a special type with an encoder, when the mecanum wheel moving structure is used, the normal type without an encoder for the conventional four-wheel moving structure needs to be replaced by the special type with an encoder of the eccentric output shaft motor 10, the output shaft is a cylindrical structure with a flat surface, an output flange of the mecanum wheel has several meters of screws, which can be well adapted, and can be driven by two wheels selected to be diagonally opposite, and the two-wheel driven structure can also be selected to be a four-wheel driven structure.

Optionally, in the technical solution of this embodiment, a first mounting hole 223 is formed on the fixing plate 22, and an output structural element matched with the motor shaft 12 can be mounted on the fixing plate 22 through the first mounting hole 223. Optionally, a second mounting hole 212 is formed in the limiting plate 21, and the motor bracket 20 can be integrally mounted through the second mounting hole 212. In the book scheme of this embodiment, the motor assembly motor bracket 20 further includes a connecting plate 23, the connecting plate 23 is connected between the limiting plate 21 and the fixing plate 22, and a third mounting hole 231 is formed in the connecting plate 23. The third mounting hole 231 may also be used to mount the motor bracket 20 or fix other components.

In the solution of the present embodiment, the motor assembly further includes an expansion board 30, the expansion board 30 is detachably connected to the fixing board 22, and the moving member 40 is mounted on the expansion board 30. Further improvements to the power take-off mechanism of the motor assembly can be achieved by the expansion plate 30 to accommodate the corresponding moving structure. As shown in fig. 6, 7 and 8, in the crawler type moving structure, an eccentric output shaft motor 10 is mounted on one motor bracket 20, a driving wheel is mounted on a motor shaft 12 thereof, a tension wheel 40 ' is mounted on an extension plate 30 fitted to the motor bracket 20, a driven wheel is mounted on the other motor bracket 20, and a tension wheel 40 ' is mounted on an extension plate 30 ' fitted to the motor bracket 20.

The technical scheme of the utility model, to ordinary wheeled moving structure and special mecanum moving structure can utilize motor support 20 to adjust the position of motor shaft 12, realize moving the ground clearance on chassis and the centrobaric regulation in chassis. On one hand, the vehicle can adapt to different terrains to improve the passing performance of the whole vehicle; on the other hand, the center of gravity is prevented from moving upwards after the installation of the expansion module on the chassis, and the stability of the whole vehicle is ensured by reducing the center of gravity through reducing the ground clearance. In addition, the structure can also be applied to a crawler-type moving trolley, the ground clearance of the crawler-type chassis is adjusted in a turnover installation mode, and the passing performance of complex terrains is improved.

The utility model also provides an educational robot, including foretell motor element. Adopt foretell motor element can improve the adaptability of educational robot to different use scenes for educational robot's structure can change mobile structure as required in a flexible way, makes educational robot's teaching nature higher.

Unless specifically stated 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. 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 those 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.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship 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 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 term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted 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.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An electric machine assembly, comprising:

the eccentric output shaft motor (10) comprises a motor main body (11) and a motor shaft (12) eccentrically installed on the motor main body (11);

the motor support (20) is provided with a plurality of positioning holes (221), and the motor main body (11) can be selectively matched and positioned with parts of the positioning holes (221).

2. The motor assembly of claim 1, wherein the motor assembly motor bracket (20) comprises:

the motor comprises a limiting plate (21), wherein a limiting hole (211) is formed in the limiting plate (21), and the limiting hole (211) is used for mounting the motor main body (11);

fixed plate (22), for limiting plate (21) interval sets up, and is a plurality of locating hole (221) are seted up on fixed plate (22) it is a plurality of to be located on fixed plate (22) seted up between locating hole (221) and dodged hole (222), dodge hole (222) and be used for dodging motor shaft (12).

3. The motor assembly according to claim 2, wherein the side of the motor body (11) is clamped in the position limiting hole (211), and the end of the motor body (11) abuts against the fixing plate (22) and is matched and positioned with the parts in the plurality of positioning holes (221).

4. The motor assembly according to claim 3, wherein the motor body (11) is cylindrical, the limiting hole (211) is circular, and the positioning holes (221) are arranged in a circle.

5. The motor assembly of claim 2, wherein the fixing plate (22) defines a first mounting hole (223).

6. The motor assembly according to claim 5, wherein the limiting plate (21) is provided with a second mounting hole (212).

7. The motor assembly according to claim 6, wherein the motor bracket (20) further comprises a connecting plate (23), the connecting plate (23) is connected between the limiting plate (21) and the fixing plate (22), and a third mounting hole (231) is formed in the connecting plate (23).

8. The motor assembly of claim 7, further comprising:

an expansion plate (30), the expansion plate (30) being detachably connected with the fixing plate (22);

a moving member (40) mounted on the expansion board (30).

9. The motor assembly according to claim 3, wherein the avoiding hole (222) is formed with a plurality of engaging portions adapted to the end of the motor main body (11), and each engaging portion corresponds to a motor shaft position.

10. An educational robot comprising a motor assembly, wherein the motor assembly is as claimed in any one of claims 1 to 9.

Images