CN213441801U - Teaching blackboard capable of demonstrating - Google Patents
Teaching blackboard capable of demonstrating Download PDFInfo
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- CN213441801U CN213441801U CN202021840436.9U CN202021840436U CN213441801U CN 213441801 U CN213441801 U CN 213441801U CN 202021840436 U CN202021840436 U CN 202021840436U CN 213441801 U CN213441801 U CN 213441801U
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- liquid crystal
- crystal panel
- writing board
- writing
- pressing strip
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Abstract
The utility model discloses a teaching blackboard capable of demonstrating, which comprises a frame, a first writing board and a second writing board, wherein the first writing board and the second writing board are respectively arranged on the frame, and the respective writing surfaces of the first writing board and the second writing board are positioned on the same plane; the back of the first writing board back to the writing surface of the liquid crystal display device is sequentially provided with a touch film, a liquid crystal panel and a back board, a transparent partition board is arranged between the touch film and the liquid crystal panel, the edges of the periphery of the liquid crystal panel are respectively provided with a pressing strip, one side of each pressing strip is connected with the back surface of the first writing board through a mounting block arranged at a plurality of intervals, a buffer block is filled between each mounting block and the liquid crystal panel and between each mounting block and the transparent partition board, and a flexible cushion layer is arranged between each pressing strip and the liquid crystal panel. The utility model discloses both prevent the hard damage to liquid crystal display panel, can place liquid crystal display panel again and take place the shake skew, improve the stability of wholeness ability.
Description
Technical Field
The utility model relates to a teaching blackboard that can demonstrate belongs to education and equips technical field.
Background
The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. The screen teaching is realized by matching a computer and a projector in the prior teaching, but the PPT is usually required to be done before class in a projection mode for teaching, and a course can not be flexibly written on site, so that the time-consuming flexibility is poor.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a teaching blackboard that can demonstrate, this teaching blackboard that can demonstrate both prevents the hard damage to liquid crystal display panel, can place liquid crystal display panel again and take place to shake the skew, improves the stability of wholeness performance.
In order to solve the technical problem, the utility model discloses a technical scheme is: a teaching blackboard capable of demonstrating comprises a frame, a first writing board and a second writing board, wherein the first writing board and the second writing board are respectively arranged on the frame, and the respective writing surfaces of the first writing board and the second writing board are positioned on the same plane;
a touch film, a liquid crystal panel and a back plate are sequentially arranged behind the first writing board opposite to the writing surface of the first writing board, the touch film is pasted on the back surface of the first writing board opposite to the writing surface of the first writing board, the back plate is arranged on the frame and located right behind the liquid crystal panel, and the liquid crystal panel is arranged on the back surface of the first writing board;
a transparent partition plate is arranged between the touch film and the liquid crystal panel, pressing strips are respectively arranged at the peripheral edges of the liquid crystal panel, one side of each pressing strip is connected with the rear surface of the first writing board through a plurality of mounting blocks arranged at intervals, the other side of each pressing strip is connected with the edge of the liquid crystal panel in an extruding manner, and the liquid crystal panel and the transparent partition plate are fixed on the first writing board;
a buffer block is filled among the mounting block, the liquid crystal panel and the transparent partition plate, and a flexible cushion layer is arranged between the pressing bar and the liquid crystal panel;
a plurality of light bars are arranged on the back plate and between the back plate and the liquid crystal panel at intervals, and a diffusion plate is arranged between the light bars and the liquid crystal panel.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the buffer block is a polyurethane block or a foam block.
2. In the above scheme, the flexible cushion layer is a foam layer.
3. In the above scheme, the pressing strip is an aluminum pressing strip.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model relates to a teaching blackboard that can demonstrate, it sets up through the combination of two writing boards, has kept the traditional blackboard completely and writes the region, when not changing the traditional blackboard appearance, will broadcast the interactive function of demonstration and touch-control and combine to the blackboard organically, both can provide the same writing area for the teacher who is used to blackboard writing, and further provide good basis for the teacher more directly perceived, vivid show teaching content; in addition, the edges all around of the liquid crystal panel are respectively provided with a pressing strip, one side of the pressing strip is connected with the rear surface of the first writing board through a mounting block arranged at a plurality of intervals, the other side of the pressing strip is connected with the edge of the liquid crystal panel in an extrusion manner, the liquid crystal panel and the transparent partition board are fixed on the first writing board, the liquid crystal panel is stripped from the traditional display screen, and the touch control film and the liquid crystal panel are assembled into a whole through the pressing strip, so that the cost is saved, the weight of the blackboard is reduced, the production flow is simplified, and the productivity and the yield are improved.
2. The utility model relates to a teaching blackboard that can demonstrate, be provided with a transparent baffle between its touch membrane and the liquid crystal display panel, the setting of transparent baffle can avoid the liquid crystal display panel to the interference of touch membrane when reducing the distance between liquid crystal display panel and the touch membrane, both can thin thickness, can improve the touch precision again, prevent the condition such as local touch failure from appearing; in addition, a buffer block is filled between the mounting block and the liquid crystal panel and between the mounting block and the transparent partition plate, a flexible cushion layer is arranged between the pressing bar and the liquid crystal panel, the buffer block and the flexible cushion layer are arranged, the stability of fixing the liquid crystal panel is further improved, the hard damage to the liquid crystal panel is prevented, the liquid crystal panel can be placed to shake and shift, and the stability of the overall performance is improved.
Drawings
FIG. 1 is a schematic structural view of a teaching blackboard capable of demonstration according to the present invention;
FIG. 2 is a schematic side sectional view of a teaching blackboard capable of demonstration according to the present invention;
fig. 3 is an enlarged view of a portion of fig. 2.
In the above drawings: 1. a first writing pad; 2. a second writing board; 3. a touch film; 4. a liquid crystal panel; 5. a back plate; 6. a light bar; 7. a diffusion plate; 9. layering; 10. mounting blocks; 11. a buffer block; 12. a frame; 13. a transparent partition; 14. a flexible cushion layer.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a teaching blackboard capable of demonstrating comprises a frame 12, a first writing board 1 and a second writing board 2 which are respectively arranged on the frame 12, wherein the respective writing surfaces of the first writing board 1 and the second writing board 2 are positioned on the same plane;
a touch film 3, a liquid crystal panel 4 and a back plate 5 are sequentially arranged behind the first writing board 1 opposite to the writing surface of the first writing board, the touch film 3 is attached to the back surface of the first writing board 1 opposite to the writing surface of the first writing board, the back plate 5 is arranged on the frame 12 and is positioned right behind the liquid crystal panel 4, and the liquid crystal panel 4 is arranged on the back surface of the first writing board 1;
a transparent partition plate 13 is arranged between the touch film 3 and the liquid crystal panel 4, a pressing strip 9 is respectively arranged at the peripheral edge of the liquid crystal panel 4, one side of the pressing strip 9 is connected with the rear surface of the first writing plate 1 through a plurality of mounting blocks 10 arranged at intervals, the other side of the pressing strip 9 is connected with the edge of the liquid crystal panel 4 in an extruding manner, and the liquid crystal panel 4 and the transparent partition plate 13 are fixed on the first writing plate 1;
a buffer block 11 is filled between the mounting block 10 and the liquid crystal panel 4 and between the mounting block and the transparent partition 13, and a flexible cushion layer 14 is arranged between the pressing bar 9 and the liquid crystal panel 4;
a plurality of light bars 6 are arranged on the back plate 5 and between the back plate 5 and the liquid crystal panel 4 at intervals, and a diffusion plate 7 is arranged between the light bars 6 and the liquid crystal panel 4.
The buffer block 11 is a foam block; the second writing board 2 is a glass blackboard; the flexible cushion layer 14 is a foam layer; the press strip 9 is an aluminum press strip.
Example 2: a teaching blackboard capable of demonstrating comprises a frame 12, a first writing board 1 and a second writing board 2 which are respectively arranged on the frame 12, wherein the respective writing surfaces of the first writing board 1 and the second writing board 2 are positioned on the same plane;
a touch film 3, a liquid crystal panel 4 and a back plate 5 are sequentially arranged behind the first writing board 1 opposite to the writing surface of the first writing board, the touch film 3 is attached to the back surface of the first writing board 1 opposite to the writing surface of the first writing board, the back plate 5 is arranged on the frame 12 and is positioned right behind the liquid crystal panel 4, and the liquid crystal panel 4 is arranged on the back surface of the first writing board 1;
a transparent partition plate 13 is arranged between the touch film 3 and the liquid crystal panel 4, a pressing strip 9 is respectively arranged at the peripheral edge of the liquid crystal panel 4, one side of the pressing strip 9 is connected with the rear surface of the first writing plate 1 through a plurality of mounting blocks 10 arranged at intervals, the other side of the pressing strip 9 is connected with the edge of the liquid crystal panel 4 in an extruding manner, and the liquid crystal panel 4 and the transparent partition plate 13 are fixed on the first writing plate 1;
a buffer block 11 is filled between the mounting block 10 and the liquid crystal panel 4 and between the mounting block and the transparent partition 13, and a flexible cushion layer 14 is arranged between the pressing bar 9 and the liquid crystal panel 4;
a plurality of light bars 6 are arranged on the back plate 5 and between the back plate 5 and the liquid crystal panel 4 at intervals, and a diffusion plate 7 is arranged between the light bars 6 and the liquid crystal panel 4.
The buffer block 11 is a polyurethane block; the first writing board 1 is a transparent glass blackboard, the second writing board 2 is an acrylic writing board, and the transparent partition 13 is a polyurethane board.
By adopting the teaching blackboard capable of demonstrating, the writing area of the traditional blackboard is completely reserved through the combination arrangement of the two writing boards, the functions of playing display and touch interaction are organically combined on the blackboard while the appearance of the traditional blackboard is not changed, the same writing area can be provided for teachers who are accustomed to writing on the blackboard, and a good foundation is further provided for the teachers to more intuitively and vividly show teaching contents;
in addition, the liquid crystal panel is stripped from the traditional display screen, and the touch film and the liquid crystal panel are assembled into a whole through the pressing strip, so that the cost is saved, the weight of the blackboard is reduced, the production flow is simplified, and the productivity and the yield are improved;
in addition, the transparent partition plate can reduce the distance between the liquid crystal panel and the touch film and simultaneously avoid the interference of the liquid crystal panel to the touch film, so that the thickness can be reduced, the touch precision can be improved, and the situations of local touch failure and the like can be prevented;
in addition, the setting of buffer block and flexible cushion further improves the stability fixed to liquid crystal display panel, both prevented the hard damage to liquid crystal display panel, can place liquid crystal display panel again and take place the shake skew, improve the stability of wholeness ability.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. The utility model provides a teaching blackboard that can demonstrate which characterized in that: the multifunctional pen comprises a frame (12), and a first writing board (1) and a second writing board (2) which are respectively arranged on the frame (12), wherein the respective writing surfaces of the first writing board (1) and the second writing board (2) are positioned on the same plane;
a touch film (3), a liquid crystal panel (4) and a back plate (5) are sequentially arranged behind the first writing board (1) opposite to the writing surface of the first writing board, the touch film (3) is pasted on the back surface of the first writing board (1) opposite to the writing surface of the first writing board, the back plate (5) is installed on the frame (12) and located right behind the liquid crystal panel (4), and the liquid crystal panel (4) is installed on the back surface of the first writing board (1);
a transparent partition plate (13) is arranged between the touch film (3) and the liquid crystal panel (4), the edges of the periphery of the liquid crystal panel (4) are respectively provided with a pressing strip (9), one side of each pressing strip (9) is connected with the rear surface of the first writing board (1) through a plurality of mounting blocks (10) arranged at intervals, the other side of each pressing strip (9) is connected with the edge of the liquid crystal panel (4) in an extruding manner, and the liquid crystal panel (4) and the transparent partition plate (13) are fixed on the first writing board (1);
a buffer block (11) is filled between the mounting block (10) and the liquid crystal panel (4) and between the mounting block and the transparent partition plate (13), and a flexible cushion layer (14) is arranged between the pressing strip (9) and the liquid crystal panel (4);
a plurality of light bars (6) are arranged on the back plate (5) and between the back plate (5) and the liquid crystal panel (4) at intervals, and a diffusion plate (7) is arranged between the light bars (6) and the liquid crystal panel (4).
2. A demo teaching blackboard according to claim 1, wherein: the buffer block (11) is a polyurethane block or a foam block.
3. A demo teaching blackboard according to claim 1, wherein: the flexible cushion layer (14) is a foam layer.
4. A demo teaching blackboard according to claim 1, wherein: the pressing strip (9) is an aluminum pressing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021840436.9U CN213441801U (en) | 2020-08-28 | 2020-08-28 | Teaching blackboard capable of demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021840436.9U CN213441801U (en) | 2020-08-28 | 2020-08-28 | Teaching blackboard capable of demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213441801U true CN213441801U (en) | 2021-06-15 |
Family
ID=76318799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021840436.9U Active CN213441801U (en) | 2020-08-28 | 2020-08-28 | Teaching blackboard capable of demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213441801U (en) |
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2020
- 2020-08-28 CN CN202021840436.9U patent/CN213441801U/en active Active
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