CN205387012U - Multimedia blackboard - Google Patents

Abstract

The utility model discloses a multimedia blackboard, which comprises a rear frame and a front frame, the rear frame and the front frame are fixedly connected, an electronic whiteboard is nested in the front frame, and a first movable board and a second movable board are arranged in the rear frame. board, the first movable board and the second movable board are respectively located on both sides of the electronic whiteboard, and push handles are provided on the first movable board and the second movable board; The lower end of the blackboard is provided with a powder collector. The utility model can use the electronic whiteboard fixed in the middle to carry out projection to realize multimedia lectures, and at the same time use the movable boards on both sides to write, so as to meet the requirements of teachers for simultaneous projection and writing teaching. At the same time, the movable boards on both sides can be moved from the electronic Push the whiteboard to the middle, and use the short and long eraser behind the electronic whiteboard to erase the blackboard writing on the movable board; chalk and eraser can be placed on the support board to facilitate the collection of powder and reduce the impact of powder on teachers and students.

Description

A multimedia blackboard

technical field

The utility model relates to the technical field of blackboards, in particular to a multimedia blackboard.

Background technique

The blackboard is the most common classroom teaching tool, and is generally fixed in the center of the wall directly in front of the classroom seat. With the popularization of multimedia technology and equipment, multimedia teaching has been loved by teachers and students, but the relatively fixed structure of the multimedia blackboard brings a lot of inconvenience to multimedia teaching. Teachers need to use the electronic whiteboard and also need the blackboard to cooperate with the explanation. However, in some multimedia classrooms, the projection screen is hung directly in front of the blackboard to cover the blackboard, so that teachers cannot write on the blackboard. In some classrooms, a projection screen is hung beside the blackboard, which affects The normal line of sight of the students. At the same time, the device needs to be removed from the wall when maintaining the traditional multimedia blackboard, which is time-consuming, laborious and easy to damage the equipment, and it is very inconvenient to erase the blackboard writing on the multimedia blackboard.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides a multimedia blackboard, which has a simple structure, is convenient to push and pull and overhaul, and blackboard writing can be erased during the push and pull process.

In order to achieve the above object, the technical solution of the utility model is: a multimedia blackboard, including a rear frame and a front frame, the rear frame and the front frame are fixedly connected, an electronic whiteboard is nested in the front frame, and there are movable devices in the rear frame. The first movable board and the second movable board, the first movable board and the second movable board are respectively located on both sides of the electronic whiteboard, the first movable board and the second movable board are provided with push handles; the two sides of the electronic whiteboard rear A long-strip eraser is provided, and a powder collector is arranged at the lower end of the long-strip eraser.

Tracks are arranged on the upper and lower sides of the rear frame, stoppers are provided on the first movable plate and the second movable plate, the stoppers are located in the tracks, and the first movable plate and the second movable plate are slidably connected to the track.

The push handle is fixed on the left side of the first movable plate, and the push handle is fixed on the right side of the second movable plate.

A support plate is fixed on the lower part of the front frame, and a chalk box and a powder collector are arranged on the support plate.

The long eraser is provided with a wiper body and a connection part, and the wiper body and the connection part are respectively located on both sides of the long eraser.

The utility model can use the electronic whiteboard fixed in the middle to carry out projection to realize multimedia lectures, and at the same time use the movable boards on both sides to write, so as to meet the requirements of teachers for simultaneous projection and writing teaching. At the same time, the movable boards on both sides can be moved from the electronic Push the whiteboard to the middle, and use the short and long eraser behind the electronic whiteboard to erase the blackboard writing on the movable board; chalk and eraser can be placed on the support board to facilitate the collection of powder and reduce the impact of powder on teachers and students.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the front view of the utility model.

Fig. 2 is the A-A direction view in Fig. 1 of the utility model.

Fig. 3 is a structural schematic diagram of a long eraser of the present invention.

In the figure, 1 is the rear frame, 2 is the front frame, 3 is the first movable board, 4 is the electronic whiteboard, 5 is the second movable board, 6 is the track, 7 is the push handle, 8 is the chalk box, 9 is the block, 10 is a support plate, 11 is a strip eraser, 12 is a powder collector, 13 is a wiping body, and 14 is a connecting portion.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figures 1 and 2, a multimedia blackboard includes a rear frame 1 and a front frame 2, and the rear frame 1 and the front frame 2 are fixedly connected. An electronic whiteboard 4 is nested in the rear of the front frame 2 for projecting the teacher's courseware. A first movable board 3 and a second movable board 5 are movable in the rear frame 1, and the first movable board 3 and the second movable board 5 are used for teachers to write blackboard writing. The first movable board 3 and the second movable board 5 can be a blackboard written with chalk or a whiteboard written with color pens. The first movable board 3 and the second movable board 5 are respectively located on two sides of the electronic whiteboard 4 . The electronic whiteboard 4 is located in the middle, which is convenient for students to watch when projecting, and the teacher can use the first movable board 3 and the second movable board 5 on both sides to write on the blackboard. When maintaining the electronic whiteboard 4 , it is only necessary to take the electronic whiteboard 4 out of the front frame 2 . When the first movable plate 3 and the second movable plate 5 are damaged, they only need to be lifted up, and the stopper 9 can be taken out from the track 6 to be repaired or replaced, reducing the trouble caused by maintenance.

Both sides of electronic whiteboard 4 rear portion are provided with strip eraser 11, and the lower end of strip eraser 11 is provided with powder collector 12. Push handles 7 are provided on the first movable plate 3 and the second movable plate 5 for conveniently pushing and pulling the first movable plate 3 and the second movable plate 5 left and right. During the relative movement of the first movable board 3 and the second movable board 5 with respect to the electronic whiteboard 4, the long board eraser 11 can erase the words on it, and the powder collector 12 is a rectangular box for collecting the long board eraser 11 Erase the chalk of the writing on the blackboard. Powder collector 12 is convenient for collecting powder and cleaning powder.

As shown in FIG. 3 , the long eraser 11 is provided with a wiper body 13 and a connecting portion 14 , and the wiper body 13 and the connecting portion 14 are respectively located on two sides of the long eraser 11 . The connecting part 14 is used for connecting the long eraser 11 to the electronic whiteboard 4 , and it is also convenient to replace the long eraser 11 through the connecting part 14 . The wiping body 13 is made up of 5-10 rows of wiping strips, and is used for erasing the writing on the blackboard to the first movable board 3 and the second movable board 5 . At the same time, in order to reduce the impact of the powder erased by the long eraser 11 on the electronic whiteboard 4, a protective cover is provided on the top of the long eraser 11.

Preferably, the upper and lower parts of the rear frame 1 are provided with a track 6, and the first movable plate 3 and the second movable plate 5 are provided with a stopper 9, and the stopper 9 is arranged in the track 6, and the first movable plate 3 and the second movable plate 5 are provided with a stopper 9. The second movable plate 5 is slidably connected to the track 6 , that is, the first movable plate 3 and the second movable plate 5 can slide on the track 6 . The contact surfaces of the rail 6 and the first movable plate 3 and the second movable plate 5 should be smooth, so as to reduce the frictional force of the first movable plate 3 and the second movable plate 5 during sliding.

Preferably, a push handle 7 is provided on the first movable plate 3 and the second movable plate 5 , the push handle 7 is fixed on the left side of the first movable plate 3 , and the push handle 7 is fixed on the right side of the second movable plate 5 . Push handle 7 is fixed on the middle part of first movable plate 3 and second movable plate 5, conveniently moves two movable plates.

Preferably, a support plate 10 is fixed on the lower part of the front frame 2, and a chalk box 8 and a powder collector 12 are arranged on the support plate 10. Chalk box 8 can be used to hold chalk, and support plate 10 has certain length and can place movable blackboard eraser, and is convenient for the teacher to the revision of writing on the blackboard part on the first movable board 3 and the second movable board 5.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of All changes or replacements should fall within the protection scope of the present utility model.

Claims (5)

1. a multimedia blackboard, including rear frame (1) and front bezel (2), rear frame (1) and the fixing connection of front bezel (2), it is characterized in that: described front bezel (2) is embedded is cased with electronic whiteboard (4), the first portable plate (3) and the second portable plate (5) it is movably equipped with in rear frame (1), first portable plate (3) and the second portable plate (5) lay respectively at the both sides of electronic whiteboard (4), the first portable plate (3) and the second portable plate (5) and are provided with pushing hands (7)；The both sides at described electronic whiteboard (4) rear portion are provided with strip blackboard eraser (11), and strip blackboard eraser (11) lower end is provided with powder catcher (12).

2. multimedia blackboard according to claim 1, it is characterized in that, described rear frame (1) is equipped with track (6) up and down, first portable plate (3) and the second portable plate (5) are equipped with block (9), block (9) is positioned at track (6), the first portable plate (3) and the second portable plate (5) and is slidably connected with track (6).

3. multimedia blackboard according to claim 1, it is characterised in that described pushing hands (7) is fixed on the left side of the first portable plate (3), and pushing hands (7) is fixed on the right side of the second portable plate (5).

4. multimedia blackboard according to claim 1, it is characterised in that described front bezel (2) bottom is fixed with gripper shoe (10), gripper shoe (10) is provided with chalk holder (8) and powder catcher (12).

5. multimedia blackboard according to claim 1, it is characterised in that described strip blackboard eraser (11) is provided with rub body (13) and connecting portion (14), rub body (13) and connecting portion (14) and lays respectively at the both sides of strip blackboard eraser (11).