Teaching screen board for multimedia classroom

Abstract

The utility model provides a teaching screen board for a multimedia classroom, and relates to the technical field of teaching aids, a screen assembly and multimedia equipment, the multimedia equipment is installed behind the screen assembly, and the outer surface of a main frame is provided with a transverse limiting groove; the screen assembly comprises a main frame, an inner protective screen installed in the main frame and a movable mechanism installed on the outer surface of the main frame, the inner protective screen corresponds to a screen display surface of the multimedia equipment, an outer protective film is installed on the outer surface of the inner protective screen, and the movable mechanism makes contact with the outer protective film; the movable mechanism comprises a movable part and a limiting part, the limiting part is fixed to the back face of the movable part, and the limiting part is slidably connected with the limiting groove; when the movable part translates, the dust removal part makes contact with the outer protective film, dust on the surface of the outer protective film can be erased, the blackboard is pushed back after erasing is completed, in this way, the outer protective film is cleaned conveniently and rapidly, and the display definition can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching tools, and more specifically, to a teaching screen for a multimedia classroom. Background Art

[0002] Multimedia teaching refers to the process of teaching, in accordance with the teaching objectives and the characteristics of the teaching objects, through teaching design, the rational selection and use of modern teaching media, and the organic combination with traditional teaching methods, jointly participating in the entire teaching process, using a variety of media information to act on students, forming a reasonable teaching process structure, and achieving the optimal teaching effect.

[0003] In traditional classrooms, the blackboard is a writing board for teaching staff to write on the blackboard. It has a relatively simple function and is far from meeting the needs of teaching in today's diversified teaching. Multimedia is widely used in modern teaching, and is mostly composed of a projector and a screen, or a multimedia display screen is used for document demonstration teaching. This has led to the emergence of teaching screens that combine blackboards with multimedia interactive screens. The display screen is installed in the center of the blackboard, and chalk is written on both sides of the display screen. Although this situation is convenient for teachers to combine multimedia with traditional blackboard writing in teaching, it ignores the use environment of traditional blackboard writing. When erasing chalk, a lot of dust is generated, and the dust adheres to the display screen, which greatly reduces the clarity of the display screen and shortens its service life. Utility Model Content

[0004] The technical problem to be solved by the present invention is that in the use environment of traditional blackboard writing, a lot of dust is generated when erasing chalk, and the dust adheres to the display screen, which greatly reduces the clarity of the display screen and shortens its service life. In view of the problems existing in the existing technology, a teaching screen for multimedia classrooms is provided.

[0005] The purpose and effect of the utility model are achieved by the following specific technical means: a teaching screen for a multimedia classroom, comprising: a screen assembly and a multimedia device, the multimedia device being installed behind the screen assembly, and a transverse limiting groove being provided on the outer surface of the main frame;

[0006] The screen assembly includes a main frame, a transparent inner protective screen installed in the main frame, and a movable mechanism installed on the outer surface of the main frame. The inner protective screen corresponds to the screen display surface of the multimedia device, and a transparent outer protective film is installed on the outer surface of the inner protective screen. The movable mechanism contacts the outer protective film.

[0007] The movable mechanism includes a movable part and a limiting part, the limiting part is fixed to the back of the movable part, and the limiting part is slidably connected to the limiting groove;

[0008] A dust removal member is provided on a side of the movable member facing the main frame, and the height of the dust removal member is greater than or equal to the height of the outer protective film, and the dust removal member is in contact with the outer protective film;

[0009] This design protects multimedia devices through an inner screen and cleans dust through a movable mechanism to maintain display clarity.

[0010] Further preferably, the outer protective film is flexible.

[0011] Further preferably, an installation area is opened on the surface of the main frame, and the inner protective screen and the outer protective film are both installed in the installation area, and the surface of the outer protective film is flush with the surface of the main frame.

[0012] Further preferably, the outer edge of the outer protective film and the inner edge of the installation area are both provided with connecting pieces, and the outer protective film is detachably connected to the installation area through the connecting pieces;

[0013] This design allows large-sized paper to be sandwiched between the inner and outer protective films for easy display.

[0014] Further preferably, the thickness of the movable part is 0.1 cm-3 cm.

[0015] Further preferably, a reserved slot is provided at the bottom of the main frame corresponding to the wiring position of the multimedia device.

[0016] Beneficial effects of the utility model:

[0017] 1. The paper is clamped by the outer protective film and placed flat between the outer protective film and the inner protective screen, which can display the content of the paper and assist teachers in their teaching work. Compared with the traditional method of using magnetic blocks to press the paper, this solution is more convenient and can keep the paper completely flat without the problem of warping or being blown up by the wind.

[0018] 2. When there is dust on the surface of the outer protective film, just push the right blackboard. The movement of the right blackboard can drive the movable part to move horizontally at the same time. The limit parts and the limit grooves maintain the path of the movable part's lateral translation. The movable part is provided with a dust removal part on the side facing the main frame. When the movable part moves horizontally, the dust removal part contacts the outer protective film and can wipe off the dust on the surface of the outer protective film. After wiping, push the blackboard back. In this way, cleaning the outer protective film is convenient and quick, and the clarity of the display can be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the overall structure and blackboard assembly of the utility model;

[0021] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the overall structure of the utility model;

[0023] Figure 4 For the utility model Figure 3 A local enlarged structural diagram in FIG.

[0024] Figure 5 This is a schematic diagram of the outer protective film structure of the present invention.

[0025] Figure 1-Figure 5 Middle: screen assembly (1), main frame (2), inner protective screen (201), installation area (202), outer protective film (3), connecting member (301), limiting groove (4), movable member (5), limiting member (501), multimedia device (6). DETAILED DESCRIPTION

[0026] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, Figure 1-Figure 5 The present invention is further described in detail in the following embodiments. The following embodiments are merely examples of implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the present invention. On the contrary, modifications and improvements made without departing from the scope of the present invention are within the scope of patent protection of the present invention.

[0027] As attached Figure 1-3 As shown, a teaching screen board for a multimedia classroom includes: a screen assembly 1 and a multimedia device 6. The multimedia device 6 is installed behind the screen assembly 1. The multimedia device 6 can be an integrated computer or a multimedia computer display screen. Multimedia teaching, demonstration of teaching content, and interaction with students are carried out through the multimedia device 6. A plurality of buckles are provided at the upper and lower ends of the back of the screen assembly 1, which can be snapped onto the outer surface of the multimedia device 6 to improve the convenience of installation.

[0028] The screen assembly 1 includes a main frame 2 and an inner protective screen 201 installed in the main frame 2. The inner protective screen 201 corresponds to the screen display surface of the multimedia device 6. The inner protective screen 201 is transparent and preferably made of acrylic material with good light transmittance and wear resistance. After the screen assembly 1 and the multimedia device 6 are installed, the inner protective screen 201 shields the display surface of the multimedia device 6, which can provide basic protection for it without blocking the displayed content.

[0029] Furthermore, a reserved slot is provided at the bottom of the main frame 2 corresponding to the connection position of the multimedia device 6, and the transmission line and the power line can be connected to the multimedia device 6 through the reserved slot.

[0030] As attached Figure 3-5As shown, the main frame 2 is provided with an installation area 202. After the inner protective screen 201 and the outer protective film 3 are installed in the installation area 202, the surface of the outer protective film 3 is flush with the surface of the main frame 2. The outer edge of the outer protective film 3 and the inner edge of the installation area 202 are provided with connectors 301. The outer protective film 3 is detachably connected to the installation area 202 through the connectors 301. The connectors 301 can be a structure that is convenient for bonding and disassembly, such as magnets or Velcro. In this solution, magnets are preferred (such as Figure 5 As shown) the outer edge of the outer protective film 3 is a circle of magnets, (as shown Figure 4 As shown in the figure, the inner edge of the installation area 202 is also a magnet. When the outer protective film 3 is placed in the installation area 202 and the four corners are aligned, the connectors 301 automatically engage, and the installation is completed. The outer protective film 3 is attached to the outside of the inner protective screen 201, playing a double-layer protection role.

[0031] Furthermore, because the outer protective film 3 and the installation area 202 are easy to install, when it is necessary to display paper works during daily teaching, the upper part of the outer protective film 3 can be peeled off by two-thirds, and the paper can be placed between the outer protective film 3 and the inner protective screen 201. Then, the outer protective film 3 is installed back into the installation area 202. The paper is clamped by the outer protective film 3 and placed between the outer protective film 3 and the inner protective screen 201 in a flat state. This can well display the content of the paper and assist the teacher's teaching work. Compared with the traditional method of using magnetic blocks to press the paper, this solution is more convenient and can keep the paper completely flat without the problem of warping or being blown up by the wind.

[0032] Furthermore, the outer protective film 3 is flexible and can be stored in a roll when not in use, and is not easily broken.

[0033] As attached Figure 1-4 As shown, a transverse limiting groove 4 is provided on the outer surface of the main frame 2, and a movable mechanism is installed on the outer surface of the main frame 2. The movable mechanism includes a movable member 5 and a limiting member 501. The limiting member 501 is fixed to the back of the movable member 5. The limiting member 501 is slidably connected to the limiting groove 4. The limiting member 501 and the limiting groove 4 are preferably designed to be T-shaped so that the limiting member 501 is not easily separated from the limiting groove 4.

[0034] Screen assembly 1 installation steps:

[0035] When the screen assembly 1 is assembled with the three-section slidable blackboard, the screen assembly 1 is installed in the middle and rear position of the three blackboards (such as Figure 1As shown), the blackboards on both sides are respectively located on both sides in front of the screen assembly 1. In the initial state, the movable mechanism is located on either side of the limit slot 4. The back of the adjacent blackboard is adjusted to clamp the movable part 5. For example, if the movable mechanism is located on the right, the left edge of the right blackboard will be closer to the movable mechanism. The back of the right blackboard is adjusted to clamp the movable part 5. The thickness of the movable part 5 is 0.1cm-3cm. The movable part 5 is relatively protruding and can be connected to the blackboard. After it is clamped, the teacher uses the multimedia device 6 for multimedia teaching and writes on the blackboard. When there is dust on the surface of the outer protective film 3, just push the right blackboard. When the side blackboard moves, it can drive the movable part 5 to translate at the same time. The path of the lateral translation of the movable part 5 is maintained by the limit part 501 and the limit groove 4. The movable part 5 is provided with a dust removal part on the side facing the main frame 2. The height of the dust removal part in the Y-axis direction is ≥ the height of the outer protective film 3, that is, the upper end of the dust removal part is not lower than the upper end of the outer protective film, and the lower end of the dust removal part is not higher than the lower end of the outer protective film. When the movable part 5 translates, the dust removal part contacts the outer protective film 3, and can erase the dust on the surface of the outer protective film 3. After erasing, the blackboard can be pushed back. In this way, cleaning the outer protective film 3 is convenient and quick, and the clarity of the display can be guaranteed.

Claims

1. A teaching screen for a multimedia classroom, characterized in that: include: A screen assembly and a multimedia device, wherein the multimedia device is installed behind the screen assembly; The screen assembly includes a main frame, a transparent inner protective screen installed in the main frame, and a movable mechanism installed on the outer surface of the main frame. The inner protective screen corresponds to the screen display surface of the multimedia device, and a transparent outer protective film is installed on the outer surface of the inner protective screen. The movable mechanism contacts the outer protective film. The outer surface of the main frame is provided with a horizontal limit groove. The movable mechanism includes a movable part and a limiting part, the limiting part is fixed to the back of the movable part, and the limiting part is slidably connected to the limiting groove; A dust removal component is provided on a side of the movable component facing the main frame, and the height of the dust removal component is greater than or equal to the height of the outer protective film, and the dust removal component is in contact with the outer protective film.

2. A teaching screen for a multimedia classroom according to claim 1, characterized in that: The outer protective film is flexible.

3. A teaching screen for a multimedia classroom according to claim 1, characterized in that: The main frame surface is provided with an installation area, and the inner protective screen and the outer protective film are both installed in the installation area, and the surface of the outer protective film is flush with the main frame surface.

4. A teaching screen for a multimedia classroom according to claim 3, characterized in that: The outer edge of the outer protective film and the inner edge of the installation area are both provided with connecting pieces, and the outer protective film is detachably connected to the installation area through the connecting pieces.

5. The teaching screen for a multimedia classroom according to claim 1, characterized in that: The thickness of the movable part is 0.1 cm-3 cm.

6. A teaching screen for a multimedia classroom according to claim 1, characterized in that: A reserved slot is provided at the bottom of the main frame corresponding to the connection position of the multimedia device.

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