CN211166098U - Display device for Chinese language teaching - Google Patents
Display device for Chinese language teaching Download PDFInfo
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- CN211166098U CN211166098U CN201921423078.9U CN201921423078U CN211166098U CN 211166098 U CN211166098 U CN 211166098U CN 201921423078 U CN201921423078 U CN 201921423078U CN 211166098 U CN211166098 U CN 211166098U
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- teaching
- display device
- chinese language
- driving motor
- clearance
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Abstract
The utility model discloses a display device is used in chinese language teaching, include: teaching show board and clearance box, the bilateral symmetry of teaching show board is equipped with two side bearers, and two the front side of side bearer rotates respectively and is connected with first drive screw and second drive screw. The utility model discloses in, be connected with the clearance box through two drive screw, and built-in the clearance box installs the clearance frame, when using, can drive the clearance box through two drive screw and carry out horizontal migration on teaching show board surface, thereby clean the area through the pile on the clearance frame, the area is cleaned to the canvas and the chalk dust of cleaning brush on teaching show board is automatic cleared up, the chalk dust of clearance simultaneously can be collected in the clearance box, realize clearing up teaching show board automatically, collect the chalk dust of clearance simultaneously, prevent that the dust from scattering, improve the teaching environment, can also carry out recycle to the chalk dust of collecting, resources are saved.
Description
Technical Field
The utility model relates to a teaching display device technical field especially relates to a display device is used in chinese language teaching.
Background
The Chinese language has a long history, the number of Chinese language users is the largest, which exceeds 20% of the general population in the world, the Chinese language is the official language of China and is one of six working languages of the United nations, and the display device for Chinese language teaching is the display device for Chinese language teaching.
Present chinese language teaching usefulness show board overall structure is comparatively simple, lack the measure of automatic cleaning and collection dirt to the show board, lead to chalk dust fly apart when teaching, influence teaching environment and teachers and students are healthy, present chinese language teaching usefulness show board is equipped with the projection curtain more and is carried out the projection and uses simultaneously, but the projection curtain mostly is carrying out the rolling through the spool and expandes, the wave that the unevenness easily appears in the projection curtain condition of sending out, will appear warping when above image throws, lead to projection distance's difference, at last lead to focusing can not be accurate, influence the definition of image.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a display device for Chinese language teaching.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a display device for Chinese language teaching, comprising: a teaching display board and a cleaning box;
two side frames are symmetrically arranged on two sides of the teaching display board, and the front sides of the two side frames are respectively and rotatably connected with a first driving screw and a second driving screw;
the cleaning box is of a rectangular box body structure with openings in the rear side and the top, a cleaning frame is fixed on the inner side of the cleaning box, two connecting end frames are spirally connected to the two ends of the cleaning box, and the two connecting end frames are respectively in threaded sleeve connection with the first driving screw rod and the second driving screw rod through ball nut seats.
As a further description of the above technical solution:
the teaching display board is characterized in that a first driving motor and a second driving motor are symmetrically and spirally fixed at positions, located on a first driving screw and a second driving screw, of the bottom of the teaching display board, wherein the first driving motor and the second driving motor are in transmission connection with the first driving screw and the second driving screw through couplers respectively.
As a further description of the above technical solution:
the rotating speeds of the first driving motor and the second driving motor are the same, and the first driving motor and the second driving motor are both bidirectional motors.
As a further description of the above technical solution:
the length of the cleaning frame is equal to that of the teaching display board, and the cleaning frame surface is sequentially connected with a plush wiping belt, a canvas wiping belt and a cleaning brush from top to bottom.
As a further description of the above technical solution:
two the rear side of side bearer all is equipped with the bar spout, and the inboard equal slip embedding of bar spout has link block, is located to rotate through rotating the connecting axle between the link block on two bar spouts and is connected with the projection frame.
As a further description of the above technical solution:
the length and the width of the projection frame are equal to those of the teaching display board, and the rotation angle between the projection frame and the connecting sliding block is 0-360 degrees.
Advantageous effects
The utility model provides a display device is used in chinese language teaching. The method has the following beneficial effects:
(1): this display device is used in chinese language teaching is connected with the clearance box through two drive screw, and the built-in clearance frame of installing in the clearance box, when using, can drive the clearance box through two drive screw and carry out horizontal migration on teaching show board surface, thereby clean the area through the pile on the clearance frame, the area is cleaned to the canvas and the chalk dust of cleaning brush on to teaching show board is automatic clears up, the chalk dust of clearance simultaneously can be collected in the clearance box, realize clearing up teaching show board automatically, collect the chalk dust of clearance simultaneously, prevent that the dust from scattering, improve the teaching environment, can also carry out recycle to the chalk dust of collection, resources are saved.
(2): this display device is used in chinese language teaching passes through the fixed projection curtain of projection frame, and the projection frame is through the rear side of rotation connecting axle cooperation link block sliding connection at the teaching show board, when using, will pull on it to the top of teaching show board through link block, then just can carry out the projection teaching through rotating the connecting axle and overturning to the front side of teaching show board, compare with the traditional spool rolling that passes through, can effectually prevent the wave situation from appearing in the projection curtain, improve the definition of projection image.
Drawings
Fig. 1 is a schematic view of the overall structure of a display device for chinese language teaching according to the present invention;
FIG. 2 is a schematic structural view of the cleaning box of the present invention;
FIG. 3 is a schematic structural view of a cleaning frame of the present invention;
fig. 4 is a schematic structural view of a projection frame according to the present invention;
fig. 5 is a schematic view of the structure of the part a in fig. 4 of the present invention.
Illustration of the drawings:
1. a teaching display board; 2. a side frame; 3. a first drive screw; 4. a first drive motor; 5. a second drive screw; 6. a second drive motor; 7. cleaning the box; 8. cleaning the rack; 81. a plush wiping belt; 82. a canvas wiping belt; 83. cleaning a brush; 9. connecting the end frames; 10. a ball nut seat; 11. a strip-shaped chute; 12. a projection frame; 13. a projection screen; 14. connecting the sliding block; 15. the connecting shaft is rotated.
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.
Referring to fig. 1, 2 and 3, a display device for chinese language teaching includes: the teaching display board 1 and the cleaning box 7;
two side frames 2 are symmetrically arranged on two sides of the teaching display board 1, and the front sides of the two side frames 2 are respectively and rotatably connected with a first driving screw rod 3 and a second driving screw rod 5;
the cleaning box 7 is a rectangular box body structure with an opening at the rear side and the top, a cleaning frame 8 is fixed on the inner side of the cleaning box 7, two connecting end frames 9 are spirally connected to two ends of the cleaning box 7, and the two connecting end frames 9 are respectively and spirally sleeved on the first driving screw rod 3 and the second driving screw rod 5 through ball nut seats 10.
The teaching display board 1 is characterized in that a first driving motor 4 and a second driving motor 6 are symmetrically and spirally fixed at positions of a first driving screw 3 and a second driving screw 5 at the bottom of the teaching display board, wherein the first driving motor 4 and the second driving motor 6 are in transmission connection with the first driving screw 3 and the second driving screw 5 through couplers respectively.
The first driving motor 4 and the second driving motor 6 have the same rotating speed, and both the first driving motor 4 and the second driving motor 6 are bidirectional motors.
The length of the cleaning frame 8 is equal to that of the teaching display board 1, and the surface of the cleaning frame 8 is sequentially connected with a plush wiping belt 81, a canvas wiping belt 82 and a cleaning brush 83 from top to bottom.
The working principle is as follows: this display device is used in chinese language teaching when needs clean the chalk writing on teaching show board 1, can drive first drive screw 3 and second drive screw 5 simultaneously through first drive motor 4 and second drive motor 6 and rotate, first drive screw 3 and second drive screw 5 drive clearance box 7 through ball nut seat 10 and remove on teaching show board 1's surface, thereby it cleans area 81 to have the pile on the clearance frame 8 of clearance box 7 inboard, the canvas cleans area 82 and clearance brush 83 and clears up teaching show board 1 surface automatically, the dust that the clearance produced can be collected in clearance box 7 automatically, prevent that the dust from scattering in the air, improve the teaching environment, the protection teachers and students are healthy, can carry out recycle to the chalk dust of collecting simultaneously, resources are saved.
Referring to fig. 4 and 5, the rear sides of the two side frames 2 are respectively provided with a bar-shaped sliding groove 11, the inner sides of the bar-shaped sliding grooves 11 are respectively embedded with a connecting slide block 14 in a sliding manner, and the connecting slide blocks 14 positioned on the two bar-shaped sliding grooves 11 are rotatably connected with a projection frame 12 through a rotating connecting shaft 15.
The length and the width of the projection frame 12 are equal to those of the teaching display board 1, and the rotation angle between the projection frame 12 and the connecting slide block 14 is 0-360 degrees.
This display device is used in chinese language teaching when needs carry out the projection teaching, can drive projection frame 12 through link block 14 and slide, make projection frame 12 slide to the top of teaching show board 1, the rethread rotates connecting axle 15 and rotates the upset to projection frame 12, make the detection at teaching show board 1 of the laminating of projection frame 12, thereby can carry out the projection teaching through projection curtain 13 on projection frame 12, the regulation upset through projection frame 12 is received and is drawn projection curtain 13 and deposit, compare and carry out the rolling through the rolling axle to projection curtain 13, the effectual projection curtain 13 that prevents produces the wave fold, improve the projected definition.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a display device is used in chinese language teaching which characterized in that includes: a teaching display board (1) and a cleaning box (7);
two side frames (2) are symmetrically arranged on two sides of the teaching display board (1), and the front sides of the two side frames (2) are respectively and rotatably connected with a first driving screw (3) and a second driving screw (5);
the cleaning box (7) is of a rectangular box body structure with an opening at the rear side and the top, a cleaning frame (8) is fixed on the inner side of the cleaning box (7), two connecting end frames (9) are spirally connected to the two ends of the cleaning box (7), and the two connecting end frames (9) are respectively sleeved on the first driving screw rod (3) and the second driving screw rod (5) in a spiral mode through ball nut seats (10).
2. The display device for Chinese language teaching according to claim 1, wherein the bottom of the teaching display board (1) is symmetrically and spirally fixed with a first driving motor (4) and a second driving motor (6) at the positions of the first driving screw (3) and the second driving screw (5), wherein the first driving motor (4) and the second driving motor (6) are in transmission connection with the first driving screw (3) and the second driving screw (5) through a coupler respectively.
3. The display device for Chinese language teaching according to claim 2, wherein the first driving motor (4) and the second driving motor (6) have the same rotation speed, and the first driving motor (4) and the second driving motor (6) are both bidirectional motors.
4. The display device for Chinese language teaching according to claim 1, wherein the length of the cleaning frame (8) is equal to the length of the teaching display board (1), and a plush wiping belt (81), a canvas wiping belt (82) and a cleaning brush (83) are sequentially connected to the surface of the cleaning frame (8) from top to bottom.
5. The display device for Chinese language teaching according to claim 1, wherein the rear sides of the two side frames (2) are respectively provided with a strip-shaped sliding groove (11), the inner sides of the strip-shaped sliding grooves (11) are respectively embedded with a connecting slide block (14) in a sliding manner, and the connecting slide blocks (14) on the two strip-shaped sliding grooves (11) are rotatably connected with a projection frame (12) through a rotating connecting shaft (15).
6. The display device for Chinese language teaching according to claim 5, wherein the length and width of the projection frame (12) are equal to those of the teaching display board (1), and the rotation angle between the projection frame (12) and the connecting slide block (14) is 0-360 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921423078.9U CN211166098U (en) | 2019-08-29 | 2019-08-29 | Display device for Chinese language teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921423078.9U CN211166098U (en) | 2019-08-29 | 2019-08-29 | Display device for Chinese language teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211166098U true CN211166098U (en) | 2020-08-04 |
Family
ID=71793842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921423078.9U Expired - Fee Related CN211166098U (en) | 2019-08-29 | 2019-08-29 | Display device for Chinese language teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211166098U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113192390A (en) * | 2021-05-18 | 2021-07-30 | 南阳理工学院 | Interactive teaching display device for education |
| CN113974384A (en) * | 2021-11-04 | 2022-01-28 | 浙江星星冷链集成股份有限公司 | Horizontal open air curtain cabinet with good refrigeration effect |
-
2019
- 2019-08-29 CN CN201921423078.9U patent/CN211166098U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113192390A (en) * | 2021-05-18 | 2021-07-30 | 南阳理工学院 | Interactive teaching display device for education |
| CN113192390B (en) * | 2021-05-18 | 2022-11-01 | 南阳理工学院 | Interactive teaching display device for education |
| CN113974384A (en) * | 2021-11-04 | 2022-01-28 | 浙江星星冷链集成股份有限公司 | Horizontal open air curtain cabinet with good refrigeration effect |
| CN113974384B (en) * | 2021-11-04 | 2023-03-21 | 浙江星星冷链集成股份有限公司 | Horizontal open air curtain cabinet with good refrigeration effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 Termination date: 20210829 |