Electronic whiteboard

Abstract

The utility model discloses an electronic whiteboard, and particularly relates to the technical field of electronic whiteboards, the electronic whiteboard comprises an electronic whiteboard main body, the bottom end of the electronic whiteboard main body is detachably connected with a bottom plate, the top end of the bottom plate is provided with a rotating assembly, the rotating assembly comprises a mounting plate, a rotating rod penetrates through the interior of the mounting plate, vertical plates are arranged on the two sides of the mounting plate, and the rotating rod penetrates through the mounting plate. The two vertical plates are connected with the rotating rod in a sleeving mode, detachably connected with the bottom plate through lifting assemblies and used for adjusting the height of the bottom plate and the height of the electronic whiteboard body. The mounting plate is fixed on the ceiling of a classroom, and the driving component and the rotating rod are used for driving the electronic whiteboard main body to rotate, so that the electronic whiteboard main body is convenient to store, space can be saved, the electronic whiteboard main body can be prevented from being damaged due to collision when being placed on the ground, and the electronic whiteboard main body is effectively protected; the height of the electronic whiteboard body is adjusted through the lifting assembly, and use is very convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic whiteboard technical field, more specifically, an electronic whiteboard. BACKGROUND

[0002] Electronic whiteboard is an interactive teaching equipment that combines the writing function of traditional blackboard and the modern multimedia demonstration function, which is usually composed of a large screen and an electronic induction pen, a software system and the like matched with the screen, and can be connected with a computer, a projector and the like for use, so that a teacher or a speaker can use the electronic induction pen to freely write and draw on the electronic whiteboard, and can select different colors, fonts and line thicknesses, so as to conveniently mark and explain important points. In the process of ideological and political teaching, the teacher will put the content about ideological and political teaching on the electronic whiteboard, so that the students can understand the basic theoretical knowledge such as the basic principles of Marxism, Mao Zedong Thought and the theoretical system of socialism with Chinese characteristics, as well as the content of current affairs, political ethics and legal knowledge.

[0003] For example, the prior art with the publication number CN208985130U discloses an electronic whiteboard for teaching based on the Internet of Things, which comprises a frame, a first supporting leg is arranged on one side of the outer surface of the frame, a second supporting leg and a wiring port are arranged on the other side of the outer surface of the frame, the wiring port is located above the second supporting leg, a horizontal rod is fixedly installed between the first supporting leg and the second supporting leg, a glass is fixedly installed on the front end of one side of the frame, a cotton pad is arranged on the front end of the other side of the frame, a whiteboard is arranged on the rear end of the outer surface of the glass, and a first pressure-sensitive sheet is arranged on the rear end of the outer surface of the whiteboard.

[0004] However, the above-mentioned prior art has the following problems when in use: the traditional electronic whiteboard is usually directly placed on the ground by a support, which not only occupies a large area, but also may be accidentally collided by students during the classroom activities, resulting in damage to the electronic whiteboard. Therefore, the utility model provides an electronic whiteboard. UTILITY MODEL CONTENT

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an electronic whiteboard, which is fixed on the classroom ceiling by the mounting plate, and the electronic whiteboard body is rotated by the driving assembly and the rotating rod, so as to conveniently store the electronic whiteboard body, save space, avoid damage to the electronic whiteboard body due to collision when placed on the ground, effectively protect the electronic whiteboard body, and adjust the height of the electronic whiteboard body by the lifting assembly, which is very convenient to use, so as to solve the problems in the above-mentioned background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: an electronic whiteboard, electronic whiteboard main part is detachable connected with the bottom plate in the bottom end of electronic white board main part, the top of bottom plate is equipped with rotating component, rotating component includes mounting plate, the inside of mounting plate is penetrated with the rotation rod, both sides of mounting plate are equipped with vertical board, two vertical boards are all with rotation rod sleeve joint, two vertical boards are all through lifting component with bottom plate detachable connection, for adjusting the height of bottom plate and electronic whiteboard main part, the inside of mounting plate is equipped with the drive component for driving rotation rod rotation.

[0007] In a preferred embodiment, the mounting plate rear end is provided with a mounting cavity, the drive assembly includes a brushless motor detachably fixed in the mounting cavity, and the brushless motor output shaft is in transmission connection with the rotation rod.

[0008] In a preferred embodiment, the mounting cavity is detachably connected with a dust screen inside for filtering dust impurities, and the dust screen is arranged behind the brushless motor. Dust and impurities in the outside air are filtered by the dust screen to prevent dust and impurities from polluting the inside of the mounting cavity.

[0009] In a preferred embodiment, the bottom end of the two vertical plates is provided with a fixing hole, the lifting assembly includes an electric push rod detachably embedded in the fixing hole, the piston rod of the electric push rod is fixedly provided with a connecting block at the bottom end, the top of the bottom plate is provided with a connecting groove on both sides, the connecting block is inserted into the connecting groove, and the connecting block is detachably connected with the bottom plate, so that the connecting block and the bottom plate can be easily separated, and the electronic whiteboard main body can be easily disassembled and repaired.

[0010] In a preferred embodiment, the bottom end of the bottom plate is provided with two receiving grooves on both sides, and each receiving groove is provided with a supporting assembly inside for supporting the movement of the bottom plate, so that the electronic whiteboard main body can be conveniently supported for use.

[0011] In a preferred embodiment, the supporting assembly includes a telescopic rod, one end of the telescopic rod is movably connected with the inner wall of the receiving groove, and the other end of the telescopic rod is fixedly provided with a universal wheel with brake, so that the electronic whiteboard main body can be supported and moved by the universal wheel, and the position of the electronic whiteboard main body can be easily adjusted for use.

[0012] In a preferred embodiment, the bottom plate is provided with two drawers in front end for storing teaching aids, and the drawers can be used to place the teaching aids used in ideological and political teaching, so that the teacher can easily take them.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] 1. The utility model discloses a mounting plate is fixed on the classroom ceiling, utilizes drive assembly and the rotation of the lever and drives electronic whiteboard main body rotation, to this convenient storage electronic whiteboard main body, can save space, can avoid electronic whiteboard main body and damage when being placed on the ground because of the collision, effectively protects electronic whiteboard main body, and utilize the height of lifting assembly adjustment electronic whiteboard main body, it is very convenient to use.

[0015] 2. By a plurality of universal wheel and telescopic link support base plate, separate connecting block and base plate after, it can be with the help of universal wheel support base plate and electronic whiteboard main body moves, it is more flexible to use, convenient split electronic whiteboard main body simultaneously carries out the overhaul replacement. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the whole structure of the utility model bottom view;

[0018] Figure 3 It is the storage schematic diagram of electronic whiteboard main body of the utility model;

[0019] Figure 4 It is the base plate and vertical plate section view of the utility model;

[0020] Figure 5 It is the separating view of connecting block and base plate of the utility model.

[0021] The figure mark is: 1, electronic whiteboard main body;2, base plate;3, rotation subassembly;4, lifting assembly;5, drive assembly;6, installation cavity;7, fixed hole;8, storage groove;9, support subassembly;10, drawer;

[0022] 301, mounting plate;302, rotation lever;303, vertical plate;

[0023] 401, electric push rod;402, connecting block;403, connecting groove;

[0024] 501, brushless motor;502, dust screen;

[0025] 901, telescopic link;902, universal wheel. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] With reference to the description attached Figures 1-5 The utility model provides a kind of electronic whiteboard, including electronic whiteboard main body 1, the bottom end of the electronic whiteboard main body 1 is detachably connected with bottom plate 2, the top end of the bottom plate 2 is equipped with rotating assembly 3, the rotating assembly 3 includes mounting plate 301, rotating rod 302 is penetrated in the inside of the mounting plate 301, the both sides of the mounting plate 301 are equipped with vertical plate 303, two vertical plate 303 are all with rotating rod 302 sleeve joint, two vertical plate 303 are all detachably connected with bottom plate 2 by lifting assembly 4, for adjusting the height of bottom plate 2 and electronic whiteboard main body 1, specifically, the bottom end of two vertical plate 303 is equipped with fixed hole 7, the lifting assembly 4 includes electric push rod 401 detachably embedded in fixed hole 7, electric push rod 401 selects NMS65;

[0028] The inside of the mounting plate 301 is equipped with the drive assembly 5 for driving rotating rod 302 rotation, specifically, the rear end of the mounting plate 301 is equipped with installation cavity 6, the drive assembly 5 includes brushless motor 501 detachably fixed in installation cavity 6, specifically, brushless motor 501 selects dfa68, transmission connection between the output shaft of brushless motor 501 and rotating rod 302, specifically, transmission between the output shaft of brushless motor 501 and rotating rod 302 can be through bevel gear set, so as to realize that brushless motor 501 drives rotating rod 302 rotation, the bottom end of the bottom plate 2 is equipped with two storage grooves 8 on both sides, the inside of each storage groove 8 is equipped with support assembly 9 for supporting the movement of bottom plate 2,

[0029] In actual use, mounting plate 301 is fixed on classroom ceiling, when teacher uses in teaching, first uses brushless motor 501 to drive rotating rod 302 rotation, utilizes rotating rod 302 to drive the electronic whiteboard main body 1 between two vertical plate 303 rotation and opens, then uses electric push rod 401 to elongate, makes bottom plate 2 and electronic whiteboard main body 1 drop to low place, can play the content of ideological and political teaching, for student to watch and study, while teacher can also write on electronic whiteboard main body 1, after teaching, two electric push rod 401 first shrink, drive bottom plate 2 and electronic whiteboard main body 1 to move up, then use brushless motor 501 again drive rotating rod 302 reverse, can make electronic whiteboard main body 1 reset and stick on ceiling, store electronic whiteboard main body 1 in high place, can save space, also can avoid that electronic whiteboard main body 1 is placed on ground and is damaged due to collision, effectively protects electronic whiteboard main body 1.

[0030] In the embodiment, dust screen 502 for filtering dust impurities is detachably connected in the inside of installation cavity 6, and dust screen 502 is located behind brushless motor 501, dust impurities in outside air are filtered by using dust screen 502, to avoid dust impurities pollution inside installation cavity 6.

[0031] With reference to the description attached Figures 1-5The piston rod bottom end of the electric push rod 401 is fixedly provided with a connecting block 402, both sides of the top end of the bottom plate 2 are provided with connecting grooves 403 in the same number as the connecting block 402, the connecting block 402 is inserted into the connecting groove 403, and the connecting block 402 is detachably connected with the bottom plate 2.

[0032] The support assembly 9 comprises telescopic rods 901, one end of the telescopic rod 901 is movably connected with the inner wall of the receiving groove 8, and the other end of the telescopic rod 901 is fixedly provided with a universal wheel 902 provided with a brake.

[0033] When the teacher needs to move the electronic whiteboard body 1 for use, the plurality of telescopic rods 901 are first turned open, and the electronic whiteboard body 1 is driven to move downward by the extension of the electric push rod 401, so that the four universal wheels 902 are in contact with the ground, the connecting block 402 is released from the bottom plate 2, the bottom plate 2 and the electronic whiteboard body 1 are pushed away from between the two vertical plates 303, and the bottom plate 2 and the electronic whiteboard body 1 are moved by the universal wheels 902, so that the electronic whiteboard body 1 is more flexible to use, and the electronic whiteboard body 1 is convenient to disassemble for maintenance and replacement.

[0034] In addition, two drawers 10 for storing teaching aids are arranged at the front end of the bottom plate 2, the drawers 10 can be used to place the teaching aids used in ideological and political teaching, so that the teacher can conveniently take the teaching aids.

[0035] Finally, the above only describes preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electronic whiteboard comprising an electronic whiteboard body (1), characterized in that: The electronic whiteboard body (1) bottom end is detachably connected with the bottom plate (2), and the bottom plate (2) top end is provided with a rotating assembly (3). The rotating assembly (3) comprises a mounting plate (301), a rotating rod (302) penetrating through the mounting plate (301), vertical plates (303) provided on both sides of the mounting plate (301), both vertical plates (303) being sleeved with the rotating rod (302), both vertical plates (303) being detachably connected with the bottom plate (2) through a lifting assembly (4), and the lifting assembly (4) being used for adjusting the height of the bottom plate (2) and the electronic whiteboard body (1), and the mounting plate (301) being provided with a driving assembly (5) used for driving the rotating rod (302) to rotate.

2. The electronic whiteboard of claim 1, wherein: The mounting plate (301) rear end is provided with a mounting cavity (6), and the driving assembly (5) comprises a brushless motor (501) detachably fixed in the mounting cavity (6), and the brushless motor (501) output shaft is in transmission connection with the rotating rod (302).

3. An electronic whiteboard according to claim 2, wherein: The mounting cavity (6) is detachably connected with a dustproof net (502) used for filtering dust and impurities, and the dustproof net (502) is arranged behind the brushless motor (501).

4. The electronic whiteboard of claim 1, wherein: Both vertical plates (303) bottom ends are provided with fixing holes (7), the lifting assembly (4) comprises electric push rods (401) detachably embedded in the fixing holes (7), the electric push rod (401) piston rod bottom end is fixedly provided with a connecting block (402), the bottom plate (2) top end both sides are provided with connecting grooves (403) same in number with the connecting block (402), the connecting block (402) is inserted in the connecting groove (403), and the connecting block (402) is detachably connected with the bottom plate (2).

5. The electronic whiteboard of claim 1, wherein: The bottom plate (2) bottom end both sides are provided with two receiving grooves (8), and each receiving groove (8) is provided with a supporting assembly (9) used for supporting the bottom plate (2) to move.

6. An electronic whiteboard according to claim 5, wherein: The supporting assembly (9) comprises a telescopic rod (901), one end of the telescopic rod (901) is movably connected with the receiving groove (8) inner wall, and the other end of the telescopic rod (901) is fixedly provided with a universal wheel (902) provided with a brake.

7. The electronic whiteboard of claim 1, wherein: The bottom plate (2) front end is provided with two drawers (10) used for storing teaching aids.

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