CN212084397U

CN212084397U - Multimedia device is used in english teaching

Info

Publication number: CN212084397U
Application number: CN202021108115.XU
Authority: CN
Inventors: 黄丽琼
Original assignee: Hunan Vocational Institute Of Safety Technology (changsha Coal Mine Safety Technology Training Center)
Current assignee: Hunan Vocational Institute Of Safety Technology (changsha Coal Mine Safety Technology Training Center)
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2020-12-04
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a multimedia device for English teaching, which comprises a frame, a fixed plate, a movable plate and a multimedia screen, wherein the fixed plate is fixedly arranged at two sides inside the frame, the movable plate is symmetrically and slidably connected between the fixed plate and the fixed plate inside the frame, the multimedia screen is fixedly arranged at the bottom of the movable plate in the frame, transmission boxes are fixedly arranged at the upper side and the lower side of the multimedia screen in the frame, the inner sides of the two transmission boxes are slidably connected with a sliding rod, the teaching board for English teaching is driven by a servo motor, so that a chain wheel and a chain are mutually rotated, the sliding rod is moved, the sweeping rod passes through the surface of the multimedia screen, the sweeping rod clears away dust on the surface of the multimedia screen, the device keeps the tidiness of the multimedia screen panel when the multimedia screen is used, thereby improving the viewing experience of students, the efficiency of more effectual improvement study to thereby avoid sheltering from the panel because the dust and influence student's state of giving lessons.

Description

Multimedia device is used in english teaching

Technical Field

The utility model relates to a teaching board technical field specifically is a multimedia device is used in english teaching.

Background

English is in teaching, and the field that relates is more diversified, therefore, often need to match the form that the multi-media screen shows PPT to go on class, teaching knowledge that can be more convenient makes the student can more directly perceived contact the content of studying.

Owing to need the writing on blackboard in the teaching, consequently, can produce the dust, the dust has very strong floating effect because the volume is less, can lead to the dust to adsorb on the screen of multimedia screen, when the show PPT, thereby can lead to the experience of watching of teaching because of the dust, for this, we provide a multimedia device for the english teaching.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multimedia device is used in english teaching clears up through the panel to the multimedia screen to guaranteed at english mr's teaching PPT in-process, can not make student's sight shadow receive the influence, thereby avoided because sheltering from of dust, fuzzy phenomenon is watched to the PPT that causes, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multimedia device is used in english teaching, includes frame, fixed plate, movable plate and multimedia screen, the inside both sides fixed mounting of frame has the fixed plate, and inside the frame be located symmetrical sliding connection between the fixed plate has the movable plate, the bottom fixed mounting that is located the movable plate in the frame has multimedia screen, the upper and lower both sides fixed mounting that is located multimedia screen in the frame has the transmission box, and the inboard sliding connection of two transmission boxes has the slide bar, and the bottom fixed mounting of slide bar has sweeps the pole, and sweeps the surperficial extrusion contact of pole and multimedia screen.

Preferably, the inside equal symmetry of transmission box rotates installs the sprocket, and the outside of sprocket is connected with the chain, the top fixed mounting of multimedia screen top transmission box has servo motor, and servo motor's axis of rotation department fixed connection that transmission box and sprocket were passed, the outside and the slide bar fixed connection of chain.

Preferably, a rubber layer is arranged at the position where the sweep bar contacts with the multimedia screen.

Preferably, the bottom fixed mounting that lies in the movable plate in the frame has fixed box, and the constant head tank has been seted up to fixed box's inside equidistance, the bottom symmetry of movable plate is installed and is held the box, and holds the inside sliding connection gyro wheel of box, the top fixedly connected with spring of gyro wheel, and the gyro wheel passes through the spring and holds box elastic connection.

Preferably, a collecting tank is installed at the bottom of the sweeping rod, and a wet sponge layer is placed inside the collecting tank.

Preferably, the two sides of the positioning groove are provided with round corners.

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

the utility model discloses a servo motor's drive to make sprocket and chain rotation each other, thereby make the slide bar remove, thereby the messenger sweeps the pole from the surface process of multimedia screen, thereby realize sweeping the pole and clear away the dust on multimedia screen surface, the device has kept when the multimedia screen uses, keeps the clean and tidy nature of multimedia screen panel, thereby improves student's the experience of watching, the efficiency of more effectual improvement study, thereby avoid sheltering from the panel because the dust influences student's state of class.

Drawings

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

FIG. 2 is a schematic view of the mounting structure of the multimedia screen of the present invention;

FIG. 3 is a schematic view of the mounting structure of the movable plate of the present invention;

FIG. 4 is a schematic view of the structure of the present invention showing the cooperation between the roller and the positioning groove;

FIG. 5 is a schematic view of the structure of the chain wheel and chain transmission of the present invention;

fig. 6 is a schematic view of the installation structure of the collecting tank of the present invention.

In the figure: 1. a frame; 2. a fixing plate; 3. moving the plate; 4. a multimedia screen; 5. a transmission box; 6. a slide bar; 7. sweeping the rod; 8. a sprocket; 9. a chain; 10. a servo motor; 11. a fixing box; 12. positioning a groove; 13. accommodating the box; 14. a roller; 15. a spring; 16. and (4) collecting the tank.

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, a multimedia device for english teaching in the figure includes a frame 1, fixed plates 2, a movable plate 3 and a multimedia screen 4, the fixed plates 2 are fixedly mounted on two sides inside the frame 1, the movable plate 3 is symmetrically and slidably connected between the fixed plates 2 inside the frame 1, and the multimedia screen 4 is fixedly mounted at the bottom of the movable plate 3 inside the frame 1.

Referring to fig. 1 and 2, the frame 1 is fixedly provided with transmission boxes 5 at upper and lower sides of the multimedia screen 4, the inner sides of the two transmission boxes 5 are slidably connected with sliding rods 6, the bottom of the sliding rod 6 is fixedly provided with a sweeping rod 7, and the sweeping rod 7 is in pressing contact with the surface of the multimedia screen 4, so as to clean dust on the surface of the multimedia screen 4.

Referring to fig. 2 and 5, the transmission box 5 is symmetrically and rotatably provided with chain wheels 8 inside, the chain 9 is connected to the outer side of the chain wheel 8, a servo motor 10 is fixedly installed at the top of the transmission box 5 above the multimedia screen 4, the rotating shaft of the servo motor 10 penetrates through the transmission box 5 and is fixedly connected to the axle center of the chain wheel 8, the outer side of the chain 9 is fixedly connected to the sliding rod 6, and the chain wheel 8 and the chain 9 are driven to rotate relative to each other by the servo motor 10, so that the sliding rod 6 can be moved.

Referring to fig. 5, the rubber layer is mounted at the position where the sweep bar 7 contacts the multimedia screen 4, so as not to scratch the panel of the multimedia screen 4.

Referring to fig. 3 and 4, a fixed box 11 is fixedly installed at the bottom of the moving plate 3 in the frame 1, positioning grooves 12 are equidistantly formed in the fixed box 11, accommodating boxes 13 are symmetrically installed at the bottom of the moving plate 3, an idler wheel 14 is slidably connected in the accommodating boxes 13, a spring 15 is fixedly connected to the top of the idler wheel 14, the idler wheel 14 is elastically connected with the accommodating boxes 13 through the spring 15, the idler wheel 14 is separated from the positioning grooves 12 by pushing the moving plate 3, so that the moving plate 3 is moved, and the multimedia screen 4 behind the moving plate 3 is exposed.

Referring to fig. 6, a collecting tank 16 is installed at the bottom of the sweeping rod 7, and a wet sponge layer is placed inside the collecting tank 16 to collect dust on the multimedia screen 4 and prevent the collected dust from flying again in the rotating process of the sweeping rod 7.

Referring to fig. 4, rounded corners are formed on two sides of the positioning groove 12 to prevent the roller 14 from being damaged in the rotating process when the roller 14 rotates.

In this scheme, when english PPT was watched to needs, promote movable plate 3, the gyro wheel 14 that makes 3 bottoms of movable plate slides, thereby make gyro wheel 14 break away from the inside of constant head tank 12, thereby realize the removal to movable plate 3, two movable plates 3 remove the back to both sides, make originally the multimedia screen 4 that shelters from show, at this moment, servo motor 10 begins working, thereby drive the rotation meshing of sprocket 8 and chain 9, thereby it slides to drive slide bar 6 on the chain 9, it contacts with the face screen of multimedia screen 4 to drive sweep pole 7, thereby sweep adsorbed dust on the 4 face screens of multimedia screen, make the face screen of multimedia screen 4 guarantee neatly nature.

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

Claims

1. The utility model provides a multimedia device is used in english teaching, includes frame (1), fixed plate (2), movable plate (3) and multimedia screen (4), the inside both sides fixed mounting of frame (1) has fixed plate (2), and frame (1) inside is located symmetrical sliding connection between fixed plate (2) and has movable plate (3), the bottom fixed mounting that is located movable plate (3) in frame (1) has multimedia screen (4), its characterized in that: the upper side and the lower side of the multimedia screen (4) in the frame (1) are fixedly provided with transmission boxes (5), the inner sides of the two transmission boxes (5) are connected with sliding rods (6) in a sliding mode, the bottom of each sliding rod (6) is fixedly provided with a sweeping rod (7), and the sweeping rods (7) are in surface extrusion contact with the multimedia screen (4).

2. The multimedia device for english teaching of claim 1, characterized in that: sprocket (8) is installed in the inside equal symmetry rotation of transmission box (5), and the outside of sprocket (8) is connected with chain (9), the top fixed mounting of multimedia screen (4) top transmission box (5) has servo motor (10), and the axis of rotation department fixed connection of transmission box (5) and sprocket (8) is passed to servo motor's (10) axis of rotation, the outside and slide bar (6) fixed connection of chain (9).

3. The multimedia device for english teaching of claim 1, characterized in that: a rubber layer is arranged at the position where the sweeping rod (7) is contacted with the multimedia screen (4).

4. The multimedia device for english teaching of claim 1, characterized in that: the bottom fixed mounting that lies in movable plate (3) in frame (1) has fixed box (11), and the inside equidistance of fixed box (11) has seted up constant head tank (12), the bottom symmetry of movable plate (3) is installed and is held box (13), and holds inside sliding connection gyro wheel (14) of box (13), the top fixedly connected with spring (15) of gyro wheel (14), and gyro wheel (14) through spring (15) with hold box (13) elastic connection.

5. The multimedia device for english teaching of claim 1, characterized in that: a collecting groove (16) is installed at the bottom of the sweeping rod (7), and a wet sponge layer is placed inside the collecting groove (16).

6. The multimedia device for english teaching of claim 4, characterized in that: and round corners are arranged on two sides of the positioning groove (12).