CN215007001U

CN215007001U - Combined teaching board

Info

Publication number: CN215007001U
Application number: CN202121888779.7U
Authority: CN
Inventors: 刘威
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2021-12-03
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a combined teaching board, belonging to the technical field of education equipment, comprising more than two groups of teaching board main bodies; the teaching board main body comprises a base, a bracket, a first teaching board, a second teaching board and a rotating mechanism arranged between the first teaching board and the second teaching board; the first teaching board and the second teaching board are oppositely arranged in a back direction; the rotating mechanism comprises a worm wheel, a worm, a connecting rod, a placing plate and a motor, the placing plate is horizontally arranged, one side of the placing plate is vertically connected with the back of the first teaching plate, the worm wheel and the worm are arranged above the placing plate and are in meshed connection with each other, an output shaft of the motor is connected with one end of the worm, one end of the connecting rod is vertically connected with the back of the second teaching plate, and the other end of the connecting rod is connected with the worm wheel; one end of the support is connected with the placing plate, and the other end of the support is connected with the base. The utility model discloses the combination teaching board is applicable to simultaneously and writes, the electronic product projection of different screen proportions, and difficult reflection of light when writing, has brought the facility for writing the demonstration.

Description

Combined teaching board

Technical Field

The utility model relates to a technical field is equipped in the education, specifically is a combination teaching board.

Background

The teaching board is an appliance used for writing and demonstrating in the education industry, is placed in a meeting room or a classroom and plays a role in explaining and demonstrating. The popularization of electronic products brings convenience to explanation and demonstration, and the projection function becomes one of the necessary functions of the teaching board. The combined teaching board is fixed on the wall surface, consists of a plurality of cuboids and rolling curtain type projection cloth which can move up and down and left and right, adopts the sliding groove to move, can meet the requirements of writing and basic projection, but the projection surface is only suitable for computer projection, changes the projection proportion, leaves a large amount of blanks, and is not easy to clean due to the fact that dust is easily accumulated in the sliding groove.

The existing teaching board is only suitable for transverse projection, the teaching board is fixed on a wall surface and is inconvenient to move, the phenomenon of light reflection easily occurs on the writing surface when light is changed, and it is necessary to design a combined teaching board which can meet the projection requirement, is light and easy to move and can realize the function of light reflection in writing on the board.

SUMMERY OF THE UTILITY MODEL

The technique that exists is not enough to the aforesaid, the utility model aims at providing a combination teaching board, this combination teaching board is applicable to simultaneously and writes, the electronic product projection of different screen proportions, and is difficult for reflecting light when writing.

In order to solve the technical problem, the utility model adopts the following technical scheme: a combination teaching board characterized in that: comprises more than two groups of teaching board main bodies; the teaching board main body comprises a base, a bracket, a first teaching board, a second teaching board and a rotating mechanism arranged between the first teaching board and the second teaching board; the first teaching board and the second teaching board are oppositely arranged in a back direction; the rotating mechanism comprises a worm wheel, a worm, a connecting rod, a placing plate and a motor, the placing plate is horizontally arranged, one side of the placing plate is vertically connected with the back of the first teaching plate, the worm wheel and the worm are arranged above the placing plate and are meshed and connected, an output shaft of the motor is connected with the worm, one end of the connecting rod is vertically connected with the back of the second teaching plate, and the other end of the connecting rod is fixedly connected with the worm wheel; one end of the support is connected with the placing plate, and the other end of the support is connected with the base.

Preferably, the surface of the first teaching board is black, and the surface of the second teaching board is white.

Preferably, first teaching board and second teaching board are hollow cuboid, and first teaching board and second teaching board frame both ends all are equipped with the magnet.

Preferably, the support is Y-shaped, and the vertical part of the support connected with the base is a telescopic rod.

Preferably, the base is disc-shaped, and universal wheels are connected below the base.

The beneficial effects of the utility model reside in that:

1. the utility model discloses a combination teaching board adopts two first teaching boards and the second teaching board that the shape is the same, and first teaching board is convenient for write, but second teaching board rotation adjustment direction, the projection of the different proportions of being convenient for.

2. The second teaching board is driven to rotate through the worm gear, the worm gear has a self-locking function, and is stable after rotation, free movement can be avoided, and the phenomenon of dust accumulation in a groove structure can be avoided. 3. The rotation of the movable teaching board can be controlled manually or by a motor, and the structure is simple. 4. The teaching board is the cavity design, and the light and handy removal of being convenient for, and the frame department installation magnet can be alone one or polylith combination use, has the universality. 5. The teaching board face is black, and adopts movable design, changes the position of placing when light changes, avoids the reflection of light phenomenon.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the combined teaching board of the present invention;

FIG. 2 is a schematic sectional view of the teaching board assembly of the present invention;

FIG. 3 is an enlarged schematic view of the utility model at A;

FIG. 4 is a schematic side view of the combined teaching board of the present invention;

fig. 5 is a schematic view of the rotation state of the combined teaching board.

Description of reference numerals: 1. a base; 2. a support; 3. a second teaching board; 4. a magnet; 5. placing the plate; 6. a universal wheel; 7. a worm gear; 8. a worm; 9. a motor; 10. a connecting rod; 11. a first teaching board.

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.

Example (b): as shown in fig. 1 to 4, the present invention provides a combined teaching board, which comprises more than two groups of teaching board main bodies; the teaching board main body comprises a base 1, a bracket 2, a first teaching board 11, a second teaching board 3 and a rotating mechanism arranged between the first teaching board 11 and the second teaching board 3; the first teaching board 11 and the second teaching board 3 are oppositely arranged in a back direction; the rotating mechanism comprises a worm wheel 7, a worm 8, a connecting rod 10, a placing plate 5 and a motor 9, the placing plate 5 is horizontally arranged, one side of the placing plate 5 is vertically connected with the back of a first teaching plate 11, the worm wheel 7 and the worm 8 are arranged above the placing plate 5, the worm wheel 7 is meshed with the worm 8, an output shaft of the motor 9 is connected with the worm 8, one end of the connecting rod 10 is vertically connected with the back of a second teaching plate 3, and the other end of the connecting rod is fixedly connected with the worm wheel 7; one end of the support 2 is connected with the placing plate 5, and the other end of the support is connected with the base 1.

Further, the surface of the first teaching board 11 is black, and the black surface can reduce the reflection phenomenon during projection; the board face of second teaching board 3 is white, distinguishes the board face of two colours, selects different board faces to be used for projection and blackboard writing according to the demand.

Further, first teaching board 11 and second teaching board 3 are hollow cuboid, guarantee that the holistic light and handy of teaching board main part, and

first teaching board

11 and 3 frame both ends of second teaching board all are equipped with magnet 4, can assemble a plurality of teaching boards according to actual conditions.

Further, support 2 is the Y type, guarantees the stability of support, and the vertical portion that support 2 and base are connected is the telescopic link for raise or reduce the height of teaching board main part.

Further, base 1 is discoid, and discoid area of contact is big, guarantees holistic stability, and base 1 below is connected with universal wheel 6, and universal wheel 6 makes the device shift position of being convenient for, reduces reflection of light phenomenon, and the whole device of being convenient for is rotatory when changing the face.

When in use: the teaching board main body is placed, the base 1 and the support 2 ensure the stability of the teaching board, and different board surfaces are selected for projection and board writing according to requirements; when a computer is used for projection, as shown in figure 4, a second teaching board 3 with a white board surface is selected, the second teaching board 3 is in proportion corresponding to the projection surface of the computer and is transversely placed without rotation; when writing, select the first teaching board 11 of black face, because first teaching board 11 and support 2 fixed connection, the integrated device is stable, is convenient for write. When the mobile phone is used for projection, the direction of the second teaching board 3 needs to be changed to adapt to the picture proportion of the mobile phone screen size projection, as shown in fig. 5, the worm 8 is driven to rotate by manual rotation or the motor 9, the worm 8 drives the worm wheel 7 to rotate, the worm wheel 7 drives the connecting rod 10 to rotate, so that the second teaching board 3 is driven to rotate, the second teaching board 3 is rotated to the vertical direction, and the mobile phone projection is facilitated. The worm gear structure has self-locking function, guarantees that second teaching board 3 can not remove at will after rotatory. "Y" type support 2 guarantees the stability of support, and the vertical part that support 2 and base are connected adopts contraction structure for raise or reduce the height of teaching board main part, and 1 below installation universal wheel 6 of base is used for changing the holistic direction of teaching board, can remove the teaching board position when necessary. Magnet 4 is installed to the frame department of teaching board, assembles a plurality of teaching boards according to actual conditions, enlarges teaching board usable floor area.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounting," "disposing," "connecting," "fixing," "screwing," "padding," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A combination teaching board characterized in that: comprises more than two groups of teaching board main bodies; the teaching board main body comprises a base (1), a support (2), a first teaching board (11), a second teaching board (3) and a rotating mechanism arranged between the first teaching board (11) and the second teaching board (3); the first teaching board (11) and the second teaching board (3) are oppositely arranged in a back direction; the rotary mechanism comprises a worm wheel (7), a worm (8), a connecting rod (10), a placing plate (5) and a motor (9), the placing plate (5) is horizontally arranged, one side of the placing plate is vertically connected with the back of a first teaching plate (11), the worm wheel (7) and the worm (8) are arranged above the placing plate (5), the worm wheel (7) is meshed with the worm (8), an output shaft of the motor (9) is connected with the worm (8), one end of the connecting rod (10) is vertically connected with the back of a second teaching plate (3), and the other end of the connecting rod is fixedly connected with the worm wheel (7); one end of the support (2) is connected with the placing plate (5), and the other end of the support is connected with the base (1).

2. The combination teaching board of claim 1 wherein: the surface of the first teaching board (11) is black, and the surface of the second teaching board (3) is white.

3. The combination teaching board of claim 1 wherein: first teaching board (11) and second teaching board (3) are hollow cuboid, and first teaching board (11) and second teaching board (3) frame both ends all are equipped with magnet (4).

4. The combination teaching board of claim 1 wherein: the support (2) is Y-shaped, and the vertical part of the support (2) connected with the base (1) is a telescopic rod.

5. The combination teaching board of claim 1 wherein: the base (1) is disc-shaped, and universal wheels (6) are connected below the base (1).