CN214984448U

CN214984448U - Chinese classroom teaching device based on flat-panel projection technology

Info

Publication number: CN214984448U
Application number: CN202120600805.5U
Authority: CN
Inventors: 管清星
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-24
Filing date: 2021-03-25
Publication date: 2021-12-03
Anticipated expiration: 2031-03-25

Abstract

The utility model discloses a chinese classroom teaching device based on flat-panel projection technology, including installing frame, blackboard, chalk box, the blackboard is located the inboard surface of installing frame, the chalk box is located the one end surface of installing frame, the bottom inboard surface of installing frame has seted up the cell body, the cell body is close to the inside of chalk box and is provided with the installing box, the inner chamber of installing box is provided with places the scroll body, the junction of placing the scroll body and installing box is provided with the axis of rotation, be provided with the scroll spring on placing the scroll body, and the one end of scroll spring extends to the outside of installing box; the utility model discloses a vortex spring that sets up has effectively avoided the user when the operative installations, and the user easily inhales the dust, causes the harm to the health, is favorable to clearing up the dust, provides good teaching environment for the teacher, through the erection column that sets up, has effectively avoided when the inside dust of ash removal box is cleared up to needs, and it is loaded down with trivial details to dismantle the process, is favorable to saving time, and the practicality is higher.

Description

Chinese classroom teaching device based on flat-panel projection technology

Technical Field

The utility model belongs to the technical field of the flat projection, concretely relates to chinese classroom teaching device based on flat projection technique.

Background

In the course of classroom teaching, often need use the multimedia device to demonstrate to the vividness and the teaching quality of reinforcing teaching improve teaching efficiency. The so-called "flat panel projection" is also a means of utilizing multimedia, and is a method of forming a whole projection picture by arranging and combining tens of millions of tiny pixels through a "grid pixel projection" technology, so that each pixel is displayed clearly and really.

Although the language classroom teaching device based on the flat panel projection technology disclosed by the utility model with the authorization notice number of CN209357264U realizes the effects of high contrast, no seam, good display effect, no reduction of ambient brightness during use, no material consumption, cost saving, soft brightness and suitability for long-time watching, after the device is used for a long time, dust flies, the dust is inconvenient to clean, and the teaching environment of a teacher is poor; and after dust centralized treatment, the problem that the process of disassembling a box for placing dust wastes time and labor is solved, so that a Chinese classroom teaching device based on a flat panel projection technology is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chinese classroom teaching device based on dull and stereotyped projection technique to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a Chinese classroom teaching device based on a flat plate projection technology comprises an installation frame, a blackboard and a chalk box, wherein the blackboard is positioned on the inner side surface of the installation frame, the chalk box is positioned on one end surface of the installation frame, a groove body is arranged on the inner side surface of the bottom end of the installation frame, the installation box is arranged inside the groove body close to the chalk box, a placing scroll body is arranged in the inner cavity of the installation box, a rotating shaft is arranged at the joint of the placing scroll body and the installation box, a scroll spring is arranged on the placing scroll body, one end of the scroll spring extends to the outside of the installation box, a mounting plate is fixedly connected to the surface of the end, positioned outside the installation box, of the scroll spring, a cleaning brush is arranged at the bottom end of the mounting plate, the cleaning brush is positioned inside the groove body, a first opening is formed in the surface of one end, far away from the chalk box, of the installation frame, and the first opening is communicated with the groove body, the front end surface of installing frame is provided with the ash removal box, and the ash removal box is located the front end surface of first opening.

Preferably, the front end surface of the mounting frame and the surfaces of the two ends of the ash removal box are provided with mounting columns; the ash removing box is characterized in that mounting holes are formed in the surfaces of two ends of the ash removing box, springs are arranged in the mounting holes, extrusion blocks are arranged at one ends, located outside the mounting holes, of the springs, and clamping grooves matched with the extrusion blocks are formed in the surfaces of the mounting columns.

Preferably, a second opening is formed in a surface of one side of the mounting box, and one end of the volute spring penetrates through the second opening.

Preferably, the bottom end surface of the mounting plate is provided with a bristle layer, and a fluff layer is arranged at a gap between the bristle layer and the cleaning brush.

Preferably, the number of the springs is two, and the two groups of the springs are symmetrically and fixedly connected to one side surface of the extrusion block.

Preferably, one side of the extrusion block is located inside the clamping groove, and the other side of the extrusion block is located outside the mounting column.

Preferably, the middle part of the inner side of the mounting frame is provided with a display screen, and one side of the display screen is provided with a USB jack.

Preferably, the surface of the mounting plate is provided with W-shaped anti-skid grains which are distributed on the surface of the mounting plate in a rectangular shape.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the volute spring that sets up, effectively avoided the user when the operative installations, the dust is easily inhaled to the user, causes the harm to the health, is favorable to clearing up the dust, provides good teaching environment for the teacher.

2. Through the erection column that sets up, effectively avoided when the inside dust of ash removal box is cleared up to needs, it is loaded down with trivial details to dismantle the process, is favorable to saving time, and the practicality is higher.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front connection sectional view of the mounting box and the mounting plate in fig. 1 according to the present invention;

fig. 3 is a partial top connection cross-sectional view of the mounting frame and the mounting post of fig. 1 according to the present invention;

fig. 4 is an enlarged view of a in fig. 2 according to the present invention;

fig. 5 is an enlarged view of B in fig. 3 according to the present invention;

in the figure: 1. installing a frame; 2. a blackboard; 3. a chalk case; 4. mounting a box; 5. mounting a plate; 6. a display screen; 7. extruding the block; 8. mounting a column; 9. a trough body; 10. a first opening; 11. a card slot; 12. a dust removing box; 13. a volute spring; 14. a second opening; 15. placing the roll body; 16. a rotating shaft; 17. a burl layer; 18. a fluff layer; 19. cleaning the brush; 20. a spring; 21. and (7) installing holes.

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. 1-5, the present invention provides a technical solution: a Chinese classroom teaching device based on a flat-panel projection technology comprises an installation frame 1, a blackboard 2 and a chalk box 3, wherein the blackboard 2 is positioned on the inner side surface of the installation frame 1, the chalk box 3 is positioned on one end surface of the installation frame 1, a groove body 9 is formed in the inner side surface of the bottom end of the installation frame 1, an installation box 4 is arranged in the groove body 9 close to the chalk box 3, a placing scroll 15 is arranged in the inner cavity of the installation box 4, a rotating shaft 16 is arranged at the joint of the placing scroll 15 and the installation box 4, a scroll spring 13 is arranged on the placing scroll 15, one end of the scroll spring 13 extends to the outer part of the installation box 4, a mounting plate 5 is fixedly connected to the surface of one end of the scroll spring 13 positioned on the outer part of the installation box 4, a cleaning brush 19 is arranged at the bottom end of the mounting plate 5, the cleaning brush 19 is positioned in the groove body 9, a first opening 10 is formed in the surface of one end, far away from the chalk box 3, and the first opening 10 is communicated with the groove body 9, the front end surface of the mounting frame 1 is provided with an ash removing box 12, and the ash removing box 12 is located at the front end surface of the first opening 10.

In the present embodiment, preferably, the front end surface of the mounting frame 1 and the two end surfaces of the ash removing box 12 are provided with mounting posts 8; the mounting hole 21 has been seted up on the both ends surface of ash removal box 12, and the inside of mounting hole 21 is provided with spring 20, and the one end that spring 20 is located the mounting hole 21 outside is provided with extrusion piece 7, and extrusion piece 7 assorted draw-in groove 11 has been seted up on the surface of erection column 8, has effectively avoided when the inside dust of ash removal box 12 needs to be cleared up, and the dismantlement process is loaded down with trivial details, is favorable to saving time, and the practicality is higher.

In this embodiment, preferably, a second opening 14 is formed on one side surface of the mounting box 4, and one end of the spiral spring 13 penetrates through the second opening 14, so that the mounting plate 5 is conveniently mounted on one end surface of the spiral spring 13 outside the mounting box 4.

In this embodiment, preferably, the bottom surface of the mounting plate 5 is provided with a bristle layer 17, and a fluff layer 18 is disposed at a gap between the bristle layer 17 and the cleaning brush 19, so that the cleaning brush 19 is movably connected with the mounting plate 5.

In this embodiment, preferably, the number of the springs 20 is two, and the two sets of springs 20 are symmetrically and fixedly connected to one side surface of the pressing block 7, so that the pressing block 7 is more firmly connected with the mounting hole 21.

In this embodiment, it is preferable that one side of the pressing block 7 is located inside the engaging groove 11, and the other side of the pressing block 7 is located outside the mounting post 8, so as to press the pressing block 7 inward outside the mounting post 8.

This embodiment, it is preferred, and the inboard middle part of installing frame 1 is provided with display screen 6, and one side of display screen 6 is provided with the USB jack, and the device of being convenient for provides better teaching effect.

In this embodiment, preferably, the surface of the mounting plate 5 is provided with "W" shaped anti-skid lines, and the "W" shaped anti-skid lines are distributed on the surface of the mounting plate 5 in a rectangular shape, so as to facilitate anti-skid function on the mounting plate 5.

The utility model discloses a theory of operation and use flow: the device's clean mechanism is through the mounting box 4 that sets up in the use, be convenient for rotate the installation at the inner chamber of mounting box 4 and place a roll body 15, place and set up vortex spring 13 on the roll body 15, one of mounting box 4 outside vortex spring 13 serves

installation mounting panel

5, 5 swing joint cleaning brush 19 of mounting panel, when cell body 9 inside that 1 inboard bottom of installing frame was seted up has many dusts, to one side pulling mounting panel 5, cleaning brush 19 can clear up the inside dust of cell body 9, can be with the position department of dust clearance to first opening 10, the dust is collected to the ash removal box 12 that the rethread set up, vortex spring 13 through setting up, effectively avoided the user when the use device, the user easily inhales the dust, cause the harm to the health, be favorable to clearing up the dust, provide good teaching environment for the teacher. The device's disassembly body is through the erection column 8 that sets up in the use, be convenient for place ash removal box 12 at the inner chamber of erection column 8, draw-in groove 11 through setting up, it pops out from the inside of draw-in groove 11 with the help of spring 20's elasticity to be convenient for extrude the piece 7, thereby fixed being connected between ash removal box 12 and the erection column 8, when ash removal box 12's inside is full of the dust and needs the clearance, inwards press extrusion piece 7, make extrusion piece 7 leave the inside of draw-in groove 11, again take out ash removal box 12 from the inside of erection column 8, erection column 8 through setting up, effectively avoided when the inside dust of ash removal box 12 needs to be cleared up, the dismantlement process is loaded down with trivial details, be favorable to save time, the practicality is higher.

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. The utility model provides a chinese classroom teaching device based on dull and stereotyped projection technique, includes installing frame (1), blackboard (2), chalk box (3), blackboard (2) are located the inboard surface of installing frame (1), chalk box (3) are located the one end surface of installing frame (1), cell body (9), its characterized in that have been seted up to the bottom inboard surface of installing frame (1): the chalk box is characterized in that a mounting box (4) is arranged inside the groove body (9) close to the chalk box (3), a scroll (15) is arranged in an inner cavity of the mounting box (4), a rotating shaft (16) is arranged at the joint of the scroll (15) and the mounting box (4), a scroll spring (13) is arranged on the scroll (15), one end of the scroll spring (13) extends to the outside of the mounting box (4), a mounting plate (5) is fixedly connected to the surface of one end, located outside the mounting box (4), of the scroll spring (13), a cleaning brush (19) is arranged at the bottom end of the mounting plate (5), the cleaning brush (19) is located inside the groove body (9), a first opening (10) is formed in the surface of one end, far away from the chalk box (3), of the mounting frame (1), the first opening (10) is communicated with the groove body (9), an ash removal box (12) is arranged on the surface of the front end of the mounting frame (1), and the ash removing box (12) is positioned on the front end surface of the first opening (10).

2. The apparatus for language classroom teaching based on flat panel projection technology as claimed in claim 1, wherein: mounting columns (8) are arranged on the front end surface of the mounting frame (1) and the two end surfaces of the ash removal box (12); mounting holes (21) are formed in the surfaces of the two ends of the ash removing box (12), springs (20) are arranged inside the mounting holes (21), one ends, located outside the mounting holes (21), of the springs (20) are provided with extrusion blocks (7), and clamping grooves (11) matched with the extrusion blocks (7) are formed in the surfaces of the mounting columns (8).

3. The apparatus for language classroom teaching based on flat panel projection technology as claimed in claim 1, wherein: a second opening (14) is formed in the surface of one side of the mounting box (4), and one end of the volute spring (13) penetrates through the second opening (14).

4. The apparatus for language classroom teaching based on flat panel projection technology as claimed in claim 1, wherein: the bottom end surface of the mounting plate (5) is provided with a burl layer (17), and a fluff layer (18) is arranged at the gap between the burl layer (17) and the cleaning brush (19).

5. A language classroom teaching device based on flat panel projection technology as claimed in claim 2, wherein: the number of the springs (20) is two, and the two groups of the springs (20) are symmetrically and fixedly connected to one side surface of the extrusion block (7).

6. A language classroom teaching device based on flat panel projection technology as claimed in claim 2, wherein: one side of the extrusion block (7) is positioned in the clamping groove (11), and the other side of the extrusion block (7) is positioned outside the mounting column (8).

7. The apparatus for language classroom teaching based on flat panel projection technology as claimed in claim 1, wherein: the display screen (6) is arranged in the middle of the inner side of the mounting frame (1), and the USB jack is arranged on one side of the display screen (6).

8. The apparatus for language classroom teaching based on flat panel projection technology as claimed in claim 1, wherein: the surface of mounting panel (5) is provided with "W" shape antiskid line, "W" shape antiskid line is the rectangle and distributes on the surface of mounting panel (5).