CN215662671U

CN215662671U - Display device is used in english teaching

Info

Publication number: CN215662671U
Application number: CN202122197734.1U
Authority: CN
Inventors: 贺佳; 王萍
Original assignee: Changchun Guanghua University
Current assignee: Changchun Guanghua University
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-01-28
Anticipated expiration: 2031-09-10

Abstract

The utility model relates to the technical field of teaching tools and discloses a display device for English teaching, which comprises a bottom plate, wherein the left side and the right side of the top of the bottom plate are fixedly connected with vertical plates, the tops of the vertical plates are fixedly connected with a concave frame, the centers of the left side and the right side of the inner cavity of the concave frame are rotatably connected with rotating shafts through bearings, one opposite side of the two rotating shafts is fixedly connected with a writing board, the bottom of the writing board is fixedly connected with a driving box, the inner cavity of the driving box is provided with a moving component, and the front of the moving component is fixedly connected with a connecting plate. Not easy to cause dust dispersion.

Description

Display device is used in english teaching

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a display device for English teaching.

Background

English teaching relates to multiple professional theoretical knowledge, including linguistics, the second language is learnt, glossology, sentence law, literary composition, corpus theory, content such as cognitive psychology, in the in-process of carrying out English teaching, need use display device to demonstrate the knowledge of professor, and the content of demonstrateing often needs the teacher to use the chalk to write, and current display device function is more single, often does not possess the function of dust removal, the teacher when writing or erasing content, causes the dust easily to drift apart, cause the pollution to the surrounding air, and then harm teacher's healthy english, we provide a display device for teaching for this, the problem that proposes above is solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a display device for English teaching, which has the advantage that dust is not easy to fly when a teacher writes or erases content, and solves the problems that the existing display device is single in function and often does not have the function of dust removal, and the teacher easily causes dust to fly when writing or erasing content, so that the surrounding air is polluted, and the body health of the teacher is further harmed.

In order to solve the technical problems, the display device for English teaching provided by the utility model comprises a bottom plate, wherein vertical plates are fixedly connected to the left side and the right side of the top of the bottom plate, a concave frame is fixedly connected to the top of each vertical plate, rotating shafts are rotatably connected to the centers of the left side and the right side of the inner cavity of the concave frame through bearings, a writing board is fixedly connected to one side opposite to the two rotating shafts, a driving box is fixedly connected to the bottom of the writing board, a moving component is arranged in the inner cavity of the driving box, a connecting plate is fixedly connected to the front side of the moving component, the front side of the connecting plate extends to the outer side of the driving box, a dust hood is fixedly connected to the front position of the top of the connecting plate, a dust suction pipe is communicated with the bottom of the dust hood, a dust collection box is fixedly connected to the right side of the top of the bottom plate, and an exhaust fan is fixedly connected to the top of the bottom plate and positioned on the right side of the dust collection box, the left side of the exhaust fan is communicated with a connecting pipe, the left side of the connecting pipe is communicated with the right side of the dust collection box, and the inner cavity of the dust collection box is provided with a filter net bag.

Preferably, the removal subassembly includes servo motor, servo motor and the right side fixed connection of drive incasement chamber, servo motor's output fixedly connected with threaded rod, the left side of threaded rod is passed through the bearing with the left side of drive incasement chamber and is rotated and be connected, the surface threaded connection of threaded rod has the thread bush, the front of thread bush and the back fixed connection of connecting plate.

Preferably, the right side concave type frame and fixedly connected with turning handle are run through to the right side of pivot, the right side threaded connection of pivot surface has the nut, the left side of nut closely laminates with the right side of concave type frame.

Preferably, the back of the threaded sleeve is fixedly connected with a sliding block, the back of the inner cavity of the driving box is provided with a sliding groove matched with the sliding block for use, and the outer surface of the sliding block is connected with the inner surface of the sliding groove in a sliding mode.

Preferably, the left sides of the top and the bottom of the filter net bag are fixedly connected with guide blocks, the top and the bottom of the inner cavity of the dust collection box are provided with guide grooves matched with the guide blocks for use, and the outer surfaces of the guide blocks are in sliding connection with the inner surfaces of the guide grooves.

Preferably, the left side of the top of the bottom plate is fixedly connected with a battery box, and an inner cavity of the battery box is provided with a storage battery.

Preferably, the right side of the exhaust fan is communicated with an exhaust pipe, and the front face of the driving box is provided with a through hole matched with the connecting plate for use.

Compared with the prior art, the display device for English teaching provided by the utility model has the following beneficial effects:

the dust collecting device has the advantages that dust generated during writing or erasing contents can be absorbed by the exhaust fan, the connecting pipe, the dust collecting pipe and the dust collecting cover, then the dust is filtered by the filter net bag, the dust is concentrated in the dust collecting box, the dust is prevented from floating everywhere and causing air pollution, the dust collecting device has the advantage that dust is not easy to float when a teacher writes or erases the contents, and the problems that the existing display device is single in function and often does not have the function of dust removal, and the teacher easily causes dust to float when writing or erasing the contents, pollutes surrounding air and further harms the health of the teacher are solved.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a top cross-sectional view of the drive housing construction of the present invention;

FIG. 4 is a partial enlarged view of the point A in FIG. 2 according to the present invention.

In the figure: 1. a base plate; 2. a vertical plate; 3. a female frame; 4. a rotating shaft; 5. a writing board; 6. a drive box; 7. a moving assembly; 71. a servo motor; 72. a threaded rod; 73. a threaded sleeve; 8. a connecting plate; 9. a dust hood; 10. a dust collection pipe; 11. a dust collection box; 12. an exhaust fan; 13. a connecting pipe; 14. a filter net bag; 15. a handle is rotated; 16. a nut; 17. a slider; 18. a chute; 19. a guide block; 20. a guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in figures 1-4, the display device for English teaching comprises a bottom plate 1, wherein the left side and the right side of the top of the bottom plate 1 are fixedly connected with vertical plates 2, the top of each vertical plate 2 is fixedly connected with a concave frame 3, the centers of the left side and the right side of the inner cavity of the concave frame 3 are rotatably connected with rotating shafts 4 through bearings, one opposite sides of the two rotating shafts 4 are fixedly connected with writing boards 5, the bottom of each writing board 5 is fixedly connected with a driving box 6, the inner cavity of the driving box 6 is provided with a moving component 7, the front of the moving component 7 is fixedly connected with a connecting plate 8, the front of the connecting plate 8 extends to the outer side of the driving box 6, the front position of the top of the connecting plate 8 is fixedly connected with a dust collection cover 9, the bottom of the dust collection cover 9 is communicated with a dust collection pipe 10, the right side of the top of the bottom plate 1 is fixedly connected with a dust collection box 11, the top of the bottom plate 1 is fixedly connected with an exhaust fan 12 positioned on the right side of the dust collection box 11, the left side intercommunication of air exhauster 12 has connecting pipe 13, the left side of connecting pipe 13 and the right side intercommunication of dust collection box 11, the inner chamber of dust collection box 11 is provided with filter net bag 14, through setting up air exhauster 12, connecting pipe 13, dust absorption pipe 10 and suction hood 9, can be with writing or the dust absorption that produces when erasing the content, then filter the dust through filter net bag 14, make the dust concentrate in the dust collection box 11, avoid the dust to fly away everywhere, cause air pollution.

Referring to fig. 3, the moving assembly 7 includes a servo motor 71, the servo motor 71 is fixedly connected to the right side of the inner cavity of the driving box 6, a threaded rod 72 is fixedly connected to an output end of the servo motor 71, the left side of the threaded rod 72 is rotatably connected to the left side of the inner cavity of the driving box 6 through a bearing, a threaded sleeve 73 is connected to an outer surface of the threaded rod 72 in a threaded manner, a front surface of the threaded sleeve 73 is fixedly connected to a back surface of the connecting plate 8, and the connecting plate 8 and the dust hood 9 can be driven to move left and right by the servo motor 71, the threaded rod 72 and the threaded sleeve 73, so that dust is sucked to two sides of the writing board 5.

Referring to fig. 2, the right side of the right-side rotating shaft 4 penetrates through the concave frame 3 and is fixedly connected with the rotating handle 15, the right-side thread on the outer surface of the right-side rotating shaft 4 is connected with the nut 16, the left side of the nut 16 is tightly attached to the right side of the concave frame 3, the rotating shaft 4 can be driven to rotate by the rotating handle 15, the writing board 5 is driven to turn, the angle of the writing board 5 is adjusted, the rotating shaft 4 can be fixed by the nut 16, and the rotation of the rotating shaft 4 is avoided.

Referring to fig. 3, a sliding block 17 is fixedly connected to the back of the threaded sleeve 73, a sliding groove 18 used in cooperation with the sliding block 17 is formed in the back of the inner cavity of the driving box 6, the outer surface of the sliding block 17 is slidably connected with the inner surface of the sliding groove 18, the sliding block 17 and the sliding groove 18 are arranged, the threaded sleeve 73 can be guided to move, and meanwhile the threaded sleeve 73 is limited to move.

Referring to fig. 2 and 4, the guide blocks 19 are fixedly connected to the top and the bottom of the filter net bag 14, the guide grooves 20 matched with the guide blocks 19 are formed in the top and the bottom of the inner cavity of the dust collection box 11, the outer surface of each guide block 19 is slidably connected with the inner surface of each guide groove 20, the filter net bag 14 can be conveniently taken by arranging the guide blocks 19 and the guide grooves 20, and dust in the filter net bag 14 is cleaned.

Referring to fig. 1 and 2, a battery box is fixedly connected to the left side of the top of the bottom plate 1, and a storage battery is disposed in an inner cavity of the battery box, so that the exhaust fan 12 and the servo motor 71 can be powered by the battery box and the storage battery.

Referring to fig. 1-3, the right side of the exhaust fan 12 is connected to an exhaust duct, the front side of the driving box 6 is provided with a through hole for matching with the connecting plate 8, exhaust gas can be conveniently discharged through the exhaust duct, and the connecting plate 8 can be conveniently moved through the through hole.

The working principle is as follows:

moving the display device to a designated place, when the angle of the writing board 5 needs to be adjusted, firstly rotating the screw cap 16 to separate the screw cap 16 from the concave frame 3, then rotating the rotating handle 15, driving the rotating shaft 4 to rotate by the rotating shaft 15, driving the writing board 5 to turn by the rotating shaft 4, adjusting the angle of the writing board 5, and then rotating the screw cap 16 to fix and limit the rotating shaft 4 after the angle is adjusted;

when writing or erasing the content on the writing board 5, the external switch of the exhaust fan 12 is started, the exhaust fan 12 absorbs the dust generated during writing or erasing through the connecting pipe 13, the dust absorption pipe 10 and the dust absorption cover 9, then the dust is filtered through the filter net bag 14, the dust is concentrated in the dust collection box 11, meanwhile, the external switch of the servo motor 71 is started, the servo motor 71 rotates, the servo motor 71 drives the threaded rod 72 to rotate, the threaded rod 72 drives the threaded sleeve 73 to move left and right through the guide of the sliding block 17 and the sliding groove 18, the threaded sleeve 73 drives the connecting plate 8 to move left and right, the connecting plate 8 drives the dust absorption cover 9 to move left and right, the dust is absorbed on the two sides of the writing board 5, the dust is prevented from floating everywhere, and causing air pollution, through the above structure, the advantage that a teacher is not easy to cause dust floating when writing or erasing the content is achieved, and the problem that the existing display device has a single function is solved, often do not possess the function of dust removal, the teacher when writing or erasing the content causes the dust to wave easily, causes the pollution to the surrounding air, and then harms the healthy problem of teacher.

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.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a display device is used in english teaching, includes bottom plate (1), its characterized in that: the utility model discloses a writing board, including bottom plate (1), riser (2), concave type frame (3) of top fixedly connected with of riser (2), the center department of the left and right sides of concave type frame (3) inner chamber all is connected with pivot (4) through the bearing rotation, two one side fixedly connected with clipboard (5) that pivot (4) are relative, the bottom fixedly connected with drive case (6) of clipboard (5), the inner chamber of drive case (6) is provided with removal subassembly (7), the front fixedly connected with connecting plate (8) of removal subassembly (7), the front of connecting plate (8) extends to the outside of drive case (6), the front position fixedly connected with suction hood (9) that leans on at the top of connecting plate (8), the bottom intercommunication of suction hood (9) has dust absorption pipe (10), the right side fixedly connected with dust collection box (11) at bottom plate (1) top, the dust collection box is characterized in that an exhaust fan (12) is fixedly connected to the top of the bottom plate (1) and located on the right side of the dust collection box (11), a connecting pipe (13) is communicated with the left side of the exhaust fan (12), the left side of the connecting pipe (13) is communicated with the right side of the dust collection box (11), and a filter net bag (14) is arranged in an inner cavity of the dust collection box (11).

2. The display device for english teaching of claim 1, characterized in that: remove subassembly (7) including servo motor (71), servo motor (71) and the right side fixed connection of drive case (6) inner chamber, the output fixedly connected with threaded rod (72) of servo motor (71), the left side of threaded rod (72) is passed through the bearing and is rotated with the left side of drive case (6) inner chamber and is connected, the surface threaded connection of threaded rod (72) has thread bush (73), the front of thread bush (73) and the back fixed connection of connecting plate (8).

3. The display device for english teaching of claim 1, characterized in that: right side the right side of pivot (4) is run through concave type frame (3) and fixedly connected with turning handle (15), right side the right side threaded connection of pivot (4) surface has nut (16), the left side of nut (16) closely laminates with the right side of concave type frame (3).

4. The display device for english teaching of claim 2, characterized in that: the back fixedly connected with slider (17) of thread bush (73), spout (18) that cooperation slider (17) used are seted up to the back of drive box (6) inner chamber, the surface of slider (17) and the internal surface sliding connection of spout (18).

5. The display device for english teaching of claim 1, characterized in that: the filter screen bag is characterized in that guide blocks (19) are fixedly connected to the top and the left side of the bottom of the filter screen bag (14), guide grooves (20) matched with the guide blocks (19) for use are formed in the top and the bottom of an inner cavity of the dust collection box (11), and the outer surfaces of the guide blocks (19) are in sliding connection with the inner surfaces of the guide grooves (20).

6. The display device for english teaching of claim 1, characterized in that: the left side fixedly connected with battery box at bottom plate (1) top, and the inner chamber of battery box is provided with the battery.

7. The display device for english teaching of claim 1, characterized in that: the right side of the exhaust fan (12) is communicated with an exhaust pipe, and the front side of the driving box (6) is provided with a through hole matched with the connecting plate (8) for use.