CN203126247U

CN203126247U - Multimedia classroom blackboard

Info

Publication number: CN203126247U
Application number: CN 201320116907
Authority: CN
Inventors: 陈健; 周锡生; 朱纯
Original assignee: Jiangnan University
Current assignee: Jiangnan University
Priority date: 2013-03-15
Filing date: 2013-03-15
Publication date: 2013-08-14
Anticipated expiration: 2023-03-15

Abstract

The utility model discloses a multimedia classroom blackboard which is composed of a fixed writing board, a first movable writing board, a second movable writing board and a projection screen. The first movable writing board and the second movable writing board are rotatably connected with left and right ends of the fixed writing board respectively through a first rotary shaft and a second rotary shaft, a projection screen box is horizontally fixed on a wall right above the fixed writing board, a magnet I is arranged at a position, close to a bottom side, below the middle of the fixed writing board in an embedded manner, and a magnet II and a magnet III are arranged correspondingly at the lower-left corner of the first movable writing board and a lower-right corner of the second writing board respectively in an embedded manner. The multimedia classroom blackboard can be used for conventional teaching and can also be conveniently used for multimedia teaching.

Description

A kind of multi-media classroom blackboard

Technical field

The utility model belongs to the teaching aid scope, is specially a kind of multi-media classroom blackboard.

Background technology

Blackboard is the most general classroom instruction apparatus, generally all is fixed on the central authorities of dead ahead, seat, classroom metope.Along with popularizing of multimedia technology and equipment, its relatively-stationary structure of traditional blackboard is brought inconvenience to multimedia teaching.In the multimedia teaching, the teacher still needs to use blackboard sometimes and explains to cooperate, but in the multi-media classroom that has, projection screen directly is suspended on the blackboard front and has covered blackboard, make the teacher can't writing on the blackboard, a projection screen be hung in then increasing on the blackboard next door of having, and has influenced student's normal line of sight.

Summary of the invention

The technical problems to be solved in the utility model is a kind of multi-media classroom blackboard that can utilize blackboard and projection screen to carry out multimedia teaching simultaneously of exploitation.

In order to solve the problems of the technologies described above, the utility model adopts following technical scheme.

A kind of multi-media classroom blackboard, by fixedly clipboard, the first movable clipboard, the second movable clipboard and projection screen are formed, the projection screen yardage roll is located in the curtain box, it is characterized in that: fixedly clipboard, the first movable clipboard, the second movable clipboard are rectangle, the equal and opposite in direction of the first movable clipboard and the second movable clipboard is the fixedly size of clipboard of half block; The first movable clipboard by first rotating shaft and fixedly the left end of clipboard be rotationally connected, the second movable clipboard by second rotating shaft and fixedly the right-hand member of clipboard be rotationally connected, the curtain box is horizontally fixed on the wall directly over the fixing clipboard, fixedly clipboard middle part below is embedded with the magnet first near the place, base, and the lower right corner of the lower left corner of the first movable clipboard, the second movable clipboard locates respectively that correspondence is embedded with magnet second and magnet third.

Described fixedly clipboard is the blackboard write of available chalk or the blank of writing with the color water-color paintbrush.

The tow sides of the described first movable clipboard, the second movable clipboard are the blackboard that available chalk is write.

The tow sides of the described first movable clipboard, the second movable clipboard are the blank that available color water-color paintbrush is write.

The tow sides of the described first movable clipboard, the second movable clipboard are respectively the blackboard that available chalk writes and the blank of writing with the color water-color paintbrush.

Pass through technique scheme, the utlity model has following beneficial effect: the tow sides of the described first movable clipboard, the second movable clipboard and fixedly clipboard all can be used to write, the first movable clipboard, the second movable clipboard can turn to the fixedly left and right sides of clipboard as required respectively, also can be turned to fixedly the clipboard surface and by magnet and fixedly the clipboard adhesive fix.The utility model both can be used for conventional teaching, also can be advantageously used in multimedia teaching, and was in field research, more practical and convenient.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is formation schematic diagram of the present utility model.

Among the figure: 1. fixing clipboard, the 2. first movable clipboard, the 3. second movable clipboard, 4. curtain box, 11. magnet first, 21. first rotating shafts, 22. magnet second, 31. second rotating shafts, 32. magnet third.

The specific embodiment

As shown in Figure 1, the utility model is by fixedly clipboard 1, the first movable clipboard 2, the second movable clipboard 3 and projection screen are formed, the projection screen yardage roll is located in the curtain box 4, fixedly clipboard 1, the first movable clipboard 2, the second movable clipboard 3 are rectangle, the equal and opposite in direction of the first movable clipboard 2 and the second movable clipboard 3 is the fixedly size of clipboard 1 of half block; The first movable clipboard 2 is rotationally connected by first rotating shaft 21 and the fixing left end of clipboard 1, the second movable clipboard 3 is rotationally connected by second rotating shaft 31 and the fixing right-hand member of clipboard 1, curtain box 4 is horizontally fixed on the wall directly over the fixing clipboard 1, fixedly below, clipboard 1 middle part is embedded with magnet first 11 near the place, base, the lower right corner of the lower left corner of the first movable clipboard 2, the second movable clipboard 3 is located respectively correspondence and is embedded with magnet second 22 and magnet the third 32, and the polarity of magnet second 22 and magnet the third 32 is opposite with magnet first 11.

The fixing blackboard write for available chalk of clipboard 1 or with the blank of color water-color paintbrush book.

The tow sides of the first movable clipboard 2, the second movable clipboard 3 are the blackboard that available chalk is write.

The tow sides of the first movable clipboard 2, the second movable clipboard 3 are the blank that available color water-color paintbrush is write.

The tow sides of the first movable clipboard 2, the second movable clipboard 3 are respectively the blackboard that available chalk writes and the blank of writing with the color water-color paintbrush.

When carrying out multimedia teaching, the first movable clipboard 2, the second movable clipboard 3 are turned to the fixedly left and right sides of clipboard 1 respectively, put down the curtain in the projection screen box 4, get final product projection simultaneously and utilize the first movable clipboard 2, the second movable clipboard 3 to write.When projected area is little, also can directly be projected in fixedly on the clipboard 1.

When carrying out conventional teaching, can be simultaneously in that fixedly clipboard 1, the first movable clipboard 2, the second movable clipboard 3 are write.When writing on the blackboard not for a long time, also the first movable clipboard 2, the second movable clipboard 3 can be forwarded to fixedly clipboard 1 surface and fixing with 11 adhesives of magnet first by magnet second 22, magnet the third 32 after, write at the first movable clipboard 2, the second movable clipboard 3.

Claims

1. multi-media classroom blackboard, by fixedly clipboard (1), the first movable clipboard (2), the second movable clipboard (3) and projection screen are formed, the projection screen yardage roll is located in the curtain box (4), it is characterized in that: fixedly clipboard (1), the first movable clipboard (2), the second movable clipboard (3) are rectangle, the equal and opposite in direction of the first movable clipboard (2) and the second movable clipboard (3) is the fixedly size of clipboard (1) of half block; The first movable clipboard (2) is rotationally connected by first rotating shaft (21) and the fixing left end of clipboard (1), the second movable clipboard (3) is rotationally connected by second rotating shaft (31) and the fixing right-hand member of clipboard (1), curtain box (4) is horizontally fixed on the wall directly over the fixing clipboard (1), fixedly clipboard (1) middle part below is embedded with magnet first (11) near the place, base, and the lower right corner of the lower left corner of the first movable clipboard (2), the second movable clipboard (3) locates respectively that correspondence is embedded with magnet second (22) and magnet third (32).

2. a kind of multi-media classroom blackboard according to claim 1 is characterized in that: fixedly clipboard (1) blackboard of writing for available chalk or the blank of writing with the color water-color paintbrush.

3. a kind of multi-media classroom blackboard according to claim 1 and 2, it is characterized in that: the tow sides of the first movable clipboard (2), the second movable clipboard (3) are the blackboard that available chalk is write.

4. a kind of multi-media classroom blackboard according to claim 1 and 2, it is characterized in that: the tow sides of the first movable clipboard (2), the second movable clipboard (3) are the blank that available color water-color paintbrush is write.

5. a kind of multi-media classroom blackboard according to claim 1 and 2 is characterized in that: the tow sides of the first movable clipboard (2), the second movable clipboard (3) are respectively the blackboard that available chalk writes and the blank of writing with the color water-color paintbrush.