CN220947301U

CN220947301U - Teaching device

Info

Publication number: CN220947301U
Application number: CN202322984606.0U
Authority: CN
Inventors: 霍林夫
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-11-06
Filing date: 2023-11-06
Publication date: 2024-05-14
Anticipated expiration: 2033-11-06

Abstract

The utility model belongs to the field of teaching devices, in particular to a teaching device, which aims at the problems that although dust is collected by the existing teaching device, dust possibly drifts into the environment in the cleaning process, so that certain damage is caused to the environment, meanwhile, the teaching mode is single and inconvenient to use.

Description

Teaching device

Technical Field

The utility model relates to the technical field of teaching devices, in particular to a teaching device.

Background

The economics are subjects for researching various economic activities and various corresponding economic relations and operation and development rules of the human society in various development stages, the core concept of the economics is substance scarcity and effective utilization of resources, the economics can be divided into two main branches, namely micro economics and macro economics, along with the high-speed development of national economy, the economic study and application are focused by the country and the people more and more, the theoretical system and application are perfected and developed continuously, and in order to better conduct the teaching of the economics, the auxiliary teaching is generally conducted through an economic teaching display device.

The bulletin number is: CN215621046U discloses a presentation device for economics teaching, including drawing board body, the spout has been seted up at the positive top of drawing board body, the inside sliding connection of spout has the slider. According to the utility model, the cleaning brush is pulled rightwards through the pull block, and the sliding block which is in sliding connection with the inside of the sliding groove is driven to move rightwards through the connecting block, so that the cleaning brush cleans the surface of the drawing board body, then dust falling during cleaning falls into the collecting box in the connecting box, after a certain amount of dust is collected, the baffle is turned downwards through the connecting rod to be far away from the collecting box, and the collecting box is taken out through the handle after the baffle is far away from the collecting box for cleaning, so that the cleaning is convenient, and the problem that most of the existing drawing boards are cleaned through the drawing board eraser during cleaning is solved.

The following problems exist in the technical scheme:

although dust is collected, the dust may fly into the environment in the cleaning process, so that the environment is damaged to some extent, and meanwhile, the teaching mode is single and inconvenient to use.

Disclosure of utility model

The utility model aims to solve the defects that the existing teaching device collects dust in the prior art, but the dust possibly drifts into the environment in the cleaning process to cause certain damage to the environment, and meanwhile, the teaching mode is single and inconvenient to use.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The teaching device comprises two bases, wherein the tops of the two bases are fixedly connected with the same support column, universal wheels for moving are arranged at the bottoms of the two bases, the tops of the support columns are fixedly connected with a support plate, the tops of the support plates are connected with a teaching plate,

The dust collection mechanism is arranged on the supporting plate and used for adsorbing and cleaning dust generated by the teaching board;

The projection mechanism is arranged on the teaching board and used for projection teaching.

In one possible design, the dust collection mechanism comprises a dust collection box, two suction fans and a filter screen, wherein the dust collection box is fixedly connected to the top of the support plate, two rectangular openings for fixedly installing the suction fans are formed in one side of the dust collection box, the suction fans are fixed in the rectangular openings, the filter screen is slidably connected in the dust collection box, and the dust collection opening is formed in the other side of the dust collection box.

In one possible design, the projection mechanism includes a mount fixedly connected to one side of the teaching board and a projector placed on the mount.

In one possible design, the teaching board is a magnetic board, four magnets are magnetically adsorbed on the teaching board, the magnets are opposite to the magnetism of the teaching board, and a placement box is fixedly connected to the support board.

In one possible design, the top inner wall and the bottom inner wall of the dust box are fixedly connected with rectangular strips, a chute is formed in each rectangular strip, the filter screen is slidably connected in the chute, and the dust box is fixedly connected with a sealing plate through a bolt.

In one possible design, a threaded hole is formed in one side of the bottom of the projector, an adjusting screw is connected with the threaded hole in a threaded mode, and a fixing disc is fixedly connected to the bottom end of the adjusting screw.

According to the application, the base can freely move through the universal wheels, the universal wheels are provided with the brakes, the universal wheels can be braked, articles such as chalks and blackboard erasers can be placed in the placing box, when the teaching board needs to be cleaned, the teaching board is cleaned through the blackboard erasers, at the moment, the two suction fans are started to generate suction force, so that dust generated by cleaning can be sucked into the dust collection box through the dust suction opening, and the filter screen can filter the dust, so that the dust can be prevented from flying and scattering into the air;

Through having set up the magnetite, can place the drawing that prepares in advance on the teaching board, fix through the magnetite, convenient teaching can carry out projection teaching through the projecting apparatus, simultaneously through rotating adjusting screw, can adjust the projection angle of projecting apparatus, satisfy different demands.

According to the utility model, dust generated by cleaning the teaching board can be adsorbed through the dust collection mechanism, so that the dust is prevented from drifting into the air, the environment is influenced, the teaching content can be projected through the projection mechanism, and the teaching board has multiple functions and is convenient to use.

Drawings

Fig. 1 is a schematic view of a first view structure of a teaching device according to the present utility model;

fig. 2 is a schematic view of a second view structure of a teaching device according to the present utility model;

Fig. 3 is a schematic diagram of an explosion structure of a dust box of the teaching device according to the present utility model;

Fig. 4 is a schematic diagram of a projector structure of a teaching device according to the present utility model.

In the figure: 1. a base; 2. a support column; 3. a support plate; 4. a teaching board; 5. placing a box; 6. a dust collection box; 7. a suction fan; 8. a filter screen; 9. a sealing plate; 10. a rectangular bar; 11. a magnet; 12. a fixing frame; 13. a projector; 14. and adjusting the screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-4, a teaching device is applied in the field of teaching devices, and comprises two bases 1, wherein the tops of the two bases 1 are fixedly connected with a same support column 2, universal wheels for moving are arranged at the bottoms of the two bases 1, the tops of the support columns 2 are fixedly connected with a support plate 3, the tops of the support plates 3 are connected with a teaching plate 4,

The dust collection mechanism is arranged on the supporting plate 3 and used for adsorbing and cleaning dust generated by the teaching board 4;

and the projection mechanism is arranged on the teaching board 4 and used for projection teaching.

Among the above-mentioned technical scheme, through dust extraction, can adsorb the dust that clean teaching board 4 produced, prevent that the dust from drifting into the air, cause the influence to the environment, through projection mechanism, can project the teaching content, the function is various, facilitates the use.

Referring to fig. 1, 2 and 3, the dust collection mechanism comprises a dust collection box 6, two air suction fans 7 and a filter screen 8, wherein the dust collection box 6 is fixedly connected to the top of the support plate 3, two rectangular openings for fixedly installing the air suction fans 7 are formed in one side of the dust collection box 6, the air suction fans 7 are fixed in the rectangular openings, the filter screen 8 is slidably connected in the dust collection box 6, and dust collection openings are formed in the other side of the dust collection box 6.

According to the technical scheme, the two suction fans 7 are started, the suction fans 7 can generate suction force, so that dust generated by cleaning can be sucked into the dust collection box 6 through the dust collection opening, and the filter screen 8 can filter the dust, so that the dust can be prevented from flying and flying into the air.

The suction fan 7 is powered by an external power source.

Referring to fig. 2, the projection mechanism includes a fixing frame 12 and a projector 13, the fixing frame 12 is fixedly connected to one side of the teaching board 4, and the projector 13 is placed on the fixing frame 12.

According to the technical scheme, projection teaching can be performed through the projector 13, and the projector 13 is powered through an external power supply.

Example two

Referring to fig. 1-4, the improvement is based on the second embodiment:

referring to fig. 1, the teaching board 4 is a magnetic board, four magnets 11 are magnetically attracted to the teaching board 4, the magnets 11 are opposite to the magnetism of the teaching board 4, and the placement box 5 is fixedly connected to the support board 3.

According to the technical scheme, articles such as chalks and blackboard erasers can be placed in the placement box 5, and the prepared drawing can be placed on the teaching board 4 through the magnet 11, so that the teaching is facilitated through the magnet 11.

Referring to fig. 2, rectangular strips 10 are fixedly connected to the top inner wall and the bottom inner wall of the dust box 6, a sliding groove is formed in the rectangular strips 10, a filter screen 8 is slidably connected to the sliding groove, and a sealing plate 9 is fixedly connected to the dust box 6 through bolts.

According to the technical scheme, the filter screen 8 can be pulled out for cleaning by opening the sealing plate 9 and then pulling the filter screen 8 outwards.

Referring to fig. 4, a threaded hole is formed in one side of the bottom of the projector 13, an adjusting screw 14 is connected in the threaded hole in a threaded manner, and a fixed disc is fixedly connected to the bottom end of the adjusting screw 14.

According to the scheme, the projection angle of the projector 13 can be adjusted by rotating the adjusting screw 14, so that different requirements are met.

However, as the working principle and wiring method of the suction fan 7 and the projector 13 are well known to those skilled in the art, they are all conventional means or common knowledge, and will not be described herein in detail, and any choice can be made by those skilled in the art according to their needs or convenience.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The teaching device comprises two bases (1), wherein the tops of the two bases (1) are fixedly connected with the same support column (2), universal wheels for moving are arranged at the bottoms of the two bases (1), the tops of the support columns (2) are fixedly connected with a support plate (3), the tops of the support plates (3) are connected with a teaching plate (4), the teaching device is characterized in that,

The dust collection mechanism is arranged on the supporting plate (3) and used for adsorbing and cleaning dust generated by the teaching plate (4);

The projection mechanism is arranged on the teaching board (4) and used for projection teaching.

2. The teaching device according to claim 1, characterized in that the dust collection mechanism comprises a dust collection box (6), two air suction fans (7) and a filter screen (8), the dust collection box (6) is fixedly connected to the top of the supporting plate (3), two rectangular openings for fixedly installing the air suction fans (7) are formed in one side of the dust collection box (6), the air suction fans (7) are fixed in the rectangular openings, the filter screen (8) is slidably connected in the dust collection box (6), and dust collection openings are formed in the other side of the dust collection box (6).

3. A teaching device according to claim 1, characterized in that the projection means comprise a holder (12) and a projector (13), the holder (12) being fixedly connected to one side of the teaching board (4), the projector (13) being placed on the holder (12).

4. The teaching device according to claim 1, characterized in that the teaching board (4) is a magnetic board, four magnets (11) are magnetically absorbed on the teaching board (4), the magnets (11) are opposite to the magnetism of the teaching board (4), and the supporting board (3) is fixedly connected with a placement box (5).

5. The teaching device according to claim 2, characterized in that rectangular strips (10) are fixedly connected to the top inner wall and the bottom inner wall of the dust collection box (6), sliding grooves are formed in the rectangular strips (10), the filter screen (8) is slidably connected to the sliding grooves, and sealing plates (9) are fixedly connected to the dust collection box (6) through bolts.

6. A teaching device according to claim 3, characterized in that a threaded hole is provided on one side of the bottom of the projector (13), an adjusting screw (14) is screwed in the threaded hole, and a fixed disc is fixedly connected to the bottom end of the adjusting screw (14).