CN210983892U

CN210983892U - Demonstration board for education

Info

Publication number: CN210983892U
Application number: CN202020007751.7U
Authority: CN
Inventors: 王蕾
Original assignee: Gansu Construction Vocational Technical College
Current assignee: Gansu Construction Vocational Technical College
Priority date: 2020-01-03
Filing date: 2020-01-03
Publication date: 2020-07-10
Anticipated expiration: 2030-01-03

Abstract

The utility model discloses a demonstration board for education relates to demonstration board technical field, the on-line screen storage device comprises a base, the upper surface of base has the backup pad through four supporting leg welding, the T shape recess of two relative settings is seted up to the upper surface of backup pad, two the inside of T shape recess all slides and is provided with T shape slider, two the top welding of T shape slider has the rack of two relative settings, two the top of rack all welds the demonstration board component, the last fixed surface of base is connected with servo motor, there is the column spinner one side of servo motor through the pivot welding, the upper surface of backup pad is run through on the top of column spinner, just the top welding of column spinner has the straight-teeth gear. This demonstration board for education through the setting of spur gear and two racks, the user can adjust the angle of demonstration board body for the user can write at the first half of demonstration board body, has improved the teaching efficiency.

Description

Demonstration board for education

Technical Field

The utility model relates to a demonstration board technical field specifically is a demonstration board for education.

Background

Education is a social science for researching human education activities and rules, widely exists in human life, reveals general rules of education through research on education phenomena and education problems, and after the middle of the 19 th century, the generation of Marxist, the development of modern psychology and physiology, lays dialectical materialist philosophy and natural science foundation for scientific education, the development of modern production and scientific technology, the universality and richness of education practices, further promotes the development of education, and in the process of education, in order to improve teaching effect, a demonstration board is usually used for assisting teaching.

However, the demonstration board body of demonstration board for the education that exists is vertical usually, and the demonstration board body of vertical placing is higher, and the user is difficult to write at the first half of demonstration board body, influences teaching efficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a demonstration board for education has solved the demonstration board body of current demonstration board for education and has usually for vertical placing, and the demonstration board body of vertical placing is higher, and the user is difficult to write at the first half of demonstration board body, influences the problem of teaching efficiency.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a demonstration board for education, includes a base, the upper surface of base has a backup pad through four supporting leg welding, the T shape recess that two relative settings were seted up to the upper surface of backup pad, two the inside of T shape recess all slides and is provided with a T shape slider, two the top welding of T shape slider has the rack of two relative settings, two the top of rack all welds and has a demonstration board component, the last fixed surface of base is connected with a servo motor, one side of servo motor has a column spinner through the pivot welding, the upper surface of backup pad is run through on the top of column spinner, just the top welding of column spinner has a straight-toothed gear, straight-toothed gear is located the middle part of two racks and meshes with two racks mutually.

Preferably, the demonstration board component comprises a fixed sleeve with a cylindrical structure, a movable rod is arranged inside the fixed sleeve in a rotating mode, a connecting plate and a demonstration board body are welded at the two ends of the movable rod respectively, and the demonstration board body is welded between the inner sides of the connecting plate.

Preferably, the bottoms of the demonstration board bodies are connected through hinges, and the inner sides of the demonstration board bodies are both arc-shaped structures.

Preferably, the connecting plate is of a straight notch-shaped structure.

Preferably, one side of the rack is welded with a limiting block.

Preferably, four corners of the base are provided with universal wheels.

(III) advantageous effects

The utility model provides a demonstration board for education. The method has the following beneficial effects:

(1) this demonstration board for education, through the setting of spur gear and two racks, the angle that the user can adjust the demonstration board body for the user can write at the first half of demonstration board body, has improved teaching efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the structure of the supporting plate of the present invention;

FIG. 3 is a schematic view of the slider structure of the present invention;

fig. 4 is a schematic structural view of the board member of the present invention.

In the figure: 1. a base; 2. a support plate; 3. a slider; 4. a rack; 5. a demonstration board member; 501. fixing a sleeve; 502. a movable rod; 503. a connecting plate; 504. a demonstration board body; 6. a servo motor; 7. a spin column; 8. a spur gear; 9. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a demonstration board for education comprises a base 1, universal wheels are arranged at four corners of the base 1, the demonstration board is convenient for a user to move, a supporting plate 2 is welded on the upper surface of the base 1 through four supporting legs, two opposite T-shaped grooves are formed in the upper surface of the supporting plate 2, a T-shaped sliding block 3 is arranged inside each T-shaped groove in a sliding mode, two opposite racks 4 are welded on the tops of the two T-shaped sliding blocks 3, a demonstration board component 5 is welded on the tops of the two racks 4, the demonstration board component 5 comprises a fixing sleeve 501 of a cylindrical structure, a movable rod 502 is arranged inside the fixing sleeve 501 in a rotating mode, connecting plates 503 are welded at two ends of the movable rod 502, the connecting plates 503 are of straight notch-shaped structures, two sides of the connecting plates 503 of the straight notch-shaped structures are arc-shaped structures, the rotation of the two demonstration board bodies 504 cannot be influenced, a demonstration board body 504 is welded between the inner sides of the two connecting plates 503, when the fixed sleeve 501 moves along with the racks 4, the movable rod 502 can drive the demonstration board bodies 504 to rotate, so that a user can write on the upper half parts of the demonstration board bodies 504, the teaching efficiency is improved, the angle of the demonstration board bodies 504 is adjusted, the bottoms of the two demonstration board bodies 504 are connected through a hinge, the two demonstration board bodies 504 connected through the hinge can rotate, the inner sides of the two demonstration board bodies 504 are both arc-shaped structures, the inner sides of the arc-shaped structures are convenient for the demonstration board bodies 504 to rotate, the upper surface of the base 1 is fixedly connected with a servo motor 6, the type of the servo motor 6 is SGMAH-01, one side of the servo motor 6 is welded with a rotary column 7 through a rotating shaft, the top end of the rotary column 7 penetrates through the upper surface of the support plate 2, the top end of the rotary column 7 is welded with a straight gear 8, the straight gear 8 is positioned in the middle parts of the two racks 4 and is meshed with the two, a limiting block 9 is welded on one side of the rack 4, and the limiting block 9 can prevent the two racks 4 from being separated from the straight gear 8.

During the use, the user only needs to push the demonstration board to the assigned position, when needs write, open servo motor 6, make servo motor 6 reversal, treat that two demonstration board bodies 504 rotate and close servo motor 6 behind the suitable angle, the user writes on two demonstration board bodies 504, write and accomplish the back, open servo motor 6, make servo motor 6 corotation, treat that two demonstration board bodies 504 change can vertical state after close servo motor 6 can, the user can adjust the angle of demonstration board body 504, make the user can write at the first half of demonstration board body 504, teaching efficiency has been improved, make this demonstration board for education practicality stronger.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A demonstration board for education, comprising a base (1), characterized in that:

a supporting plate (2) is welded on the upper surface of the base (1) through four supporting legs;

the upper surface of the supporting plate (2) is provided with two opposite T-shaped grooves, a T-shaped sliding block (3) is arranged inside each T-shaped groove in a sliding manner, and two opposite racks (4) are welded at the tops of the two T-shaped sliding blocks (3);

a demonstration plate component (5) is welded at the top of each of the two racks (4);

the last fixed surface of base (1) is connected with a servo motor (6), one side of servo motor (6) has a column spinner (7) through the pivot welding, the upper surface of backup pad (2) is run through on the top of column spinner (7), just the top welding of column spinner (7) has a spur gear (8), straight-teeth gear (8) are located the middle part of two racks (4) and mesh mutually with two racks (4).

2. An educational demonstration board according to claim 1, wherein: demonstration board component (5) include fixed cover (501) of a cylindrical structure, the inside of fixed cover (501) is rotated and is provided with a movable rod (502), a connecting plate (503) has all been welded at the both ends of movable rod (502), two the welding has a demonstration board body (504) between the inboard of connecting plate (503).

3. A demonstration board for education as claimed in claim 2, wherein: the bottoms of the two demonstration board bodies (504) are connected through hinges, and the inner sides of the two demonstration board bodies (504) are both arc-shaped structures.

4. A demonstration board for education as claimed in claim 2, wherein: the connecting plate (503) is of a straight notch-shaped structure.

5. An educational demonstration board according to claim 1, wherein: and a limiting block (9) is welded on one side of the rack (4).

6. An educational demonstration board according to claim 1, wherein: four corners of the base (1) are provided with universal wheels.