CN215015345U

CN215015345U - Rotatable formula teaching board is used in chinese teaching

Info

Publication number: CN215015345U
Application number: CN202120102557.1U
Authority: CN
Inventors: 苏萍萍; 李文慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-12-07
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a rotatable teaching board for Chinese teaching, which moves by using self-locking universal wheels, screws up a fixing bolt on a V-shaped fixing frame after moving to a designated position, the V-shaped fixing frame can reduce the pressure born by the self-locking universal wheels, so that the teaching board is more stable, prolongs the service life of the teaching board, when the height of the teaching board needs to be adjusted, the height of the teaching board can be adjusted by starting an electric push rod, a telescopic rod can play a supporting role, so that the stability of the teaching board is further enhanced, a motor is started, the writing board can be driven to rotate, the writing board can be rotated to the designated position according to requirements, the convenience of teaching of a user is improved, devices such as microphones and the like can be placed in a movable door, a sound amplifying device is connected by the microphones, the volume of a teacher can be enhanced, an annular lamp can enhance the illumination intensity of the writing board, and eliminate illumination shadows, the problem of light reflection is solved, and the teaching quality is improved.

Description

Rotatable formula teaching board is used in chinese teaching

Technical Field

The utility model relates to a teaching technical field specifically is a rotatable formula teaching board is used in chinese teaching.

Background

The language is a comprehensive department of language and culture, is a general term of language and character abilities and cultural knowledge such as listening, speaking, reading, writing, translating and compiling, is also a combined term of oral languages and written languages, and is the sum of language laws and the speech activity process of speech works formed by applying the language laws.

The teaching board is used when the Chinese teaching is carried out, the existing teaching board achieves basic operation performance, but the whole function is single, the height and the angle of the teaching aid can not be adjusted according to the actual condition of the teaching, the practicability of the teaching board is reduced, and the application range is reduced.

Disclosure of Invention

An object of the utility model is to provide a rotatable formula teaching board is used in chinese teaching to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a rotatable teaching board for Chinese teaching comprises a bottom board, a U-shaped adjusting rod, a motor box, a rotating shaft and a writing board, wherein the lower end of the bottom board is provided with a self-locking universal wheel, the left side and the right side of the bottom board are provided with V-shaped fixing frames, the upper part of the bottom board is fixedly connected with a sound amplifying device, a movable door and a loop bar, the movable door is provided with a handle and is provided with a hinge in rotating connection, the upper parts of the sound amplifying device and the movable door are fixedly connected with a connecting board, the center of the connecting board is fixedly connected with an electric push rod, the top of the electric push rod is fixedly connected with the U-shaped adjusting rod, the left side and the right side of the U-shaped adjusting rod are provided with telescopic rods, the telescopic rods are movably connected with the loop bar, the top of the U-shaped adjusting rod is fixedly connected with the motor box, the left side and the right side of the motor box are provided with placing boards, the placing boards are fixedly connected with the tops of the U-shaped adjusting rod, the upper parts of the placing boards are provided with grooves, the utility model discloses a motor, including motor case, output shaft, pivot, frame, power pack, motor case, motor case, motor case, motor.

As a further aspect of the present invention: the inside singlechip that is equipped with of bottom plate 1, public address equipment, electric putter and motor and external power source and singlechip electric connection, and the singlechip model is STM 32.

As a further aspect of the present invention: and the V-shaped fixing frame is provided with a fixing bolt in threaded connection.

As a further aspect of the present invention: the handle is sleeved with a rubber ring.

As a further aspect of the present invention: the writing pen and the blackboard eraser are placed in the groove.

As a further aspect of the present invention: the battery is electrically connected with the annular lamp and is provided with a control switch.

Compared with the prior art, the beneficial effects of the utility model are that:

1, the self-locking universal wheels are used for moving, after the self-locking universal wheels are moved to a designated position, fixing bolts on the V-shaped fixing frames are screwed, the pressure borne by the self-locking universal wheels can be reduced by the V-shaped fixing frames, the teaching board is enabled to be more stable, and the service life of the teaching board is prolonged.

2-when the teaching board height needs to be adjusted, the electric push rod is started, the electric push rod drives the U-shaped adjusting rod to move up and down, the length of the telescopic rod is changed, the height of the teaching board can be adjusted, and the telescopic rod can play a supporting role, so that the stability of the teaching board is further enhanced.

3-starting a motor, wherein an output shaft rotates to drive a driving wheel to rotate, the driving wheel rotates to drive a driven wheel to rotate through belt transmission, the driven wheel rotates to drive a rotating shaft to rotate, the rotating shaft rotates to drive a rotating plate to rotate, and further, the trapezoid connecting piece is driven to rotate, so that the writing board is driven to rotate, and the writing board can be rotated to a specified position according to requirements, and the convenience in teaching of a user is improved.

The 4-movable door can be internally provided with devices such as a microphone, the microphone is connected with a sound amplifying device, the volume of a teacher can be enhanced, the illumination intensity of the writing board can be enhanced by the annular lamp, illumination shadows are eliminated, the problem of light reflection is solved, and the teaching quality is improved.

Drawings

Fig. 1 is a schematic structural view of a rotatable teaching board for Chinese teaching.

Fig. 2 is a schematic structural view of a V-shaped fixing frame in a rotatable teaching board for Chinese teaching.

Fig. 3 is a schematic structural view of a motor box in a rotatable teaching board for Chinese teaching.

Fig. 4 is a schematic structural view of a groove in a rotatable teaching board for Chinese teaching.

Fig. 5 is a schematic structural view of a tablet of a rotatable teaching board for teaching chinese.

In the figure: 1-bottom plate, 2-single chip microcomputer, 3-self-locking universal wheel, 4-V-shaped fixing frame, 5-fixing bolt, 6-connecting plate, 7-public address equipment, 8-movable door, 9-handle, 10-hinge, 11-loop bar, 12-electric push rod, 13-U-shaped adjusting rod, 14-telescopic rod, 15-placing plate, 16-motor box, 17-motor, 18-output shaft, 19-driving wheel, 20-opening, 21-rotating shaft, 22-driven wheel, 23-belt, 24-groove, 25-writing pen, 26-blackboard eraser, 27-rotating plate, 28-trapezoidal connecting piece, 29-writing plate, 30-outer frame, 31-annular lamp, 32-power supply box, 32-V-shaped fixing frame, 5-fixing bolt, 6-connecting plate, 30-public address equipment, 9-movable door, 9-handle, 10-hinge, 11-loop bar, 12-electric push rod, 13-U-shaped adjusting rod, 14-telescopic rod, 15-placing plate, 17-motor box, 18-output shaft, 19-driving wheel, 20-opening, 21-rotating shaft, 23-driven wheel, 24-groove, 25-driving wheel, 25-writing pen, 27-rotating plate, 32-power supply box, 32-rotating plate, 3-power supply box, 3-rotating plate, 3-annular lamp, 24-power supply box, 24-annular lamp, and the like, 33-battery.

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.

Referring to fig. 1 to 5, in the embodiment of the present invention, a rotatable teaching board for Chinese teaching comprises a bottom board 1, a U-shaped adjusting rod 13, a motor box 16, a rotating shaft 21 and a writing board 29, wherein the lower end of the bottom board 1 is provided with a self-locking universal wheel 3, the left and right sides of the bottom board 1 are provided with V-shaped fixing frames 4, the upper portion of the bottom board 1 is fixedly connected with a sound amplifying device 7, a movable door 8 and a loop bar 11, the movable door 8 is provided with a handle 9, the movable door 8 is provided with a hinge 10 for rotational connection, the upper portions of the sound amplifying device 7 and the movable door 8 are fixedly connected with a connecting board 6, the center of the connecting board 6 is fixedly connected with an electric push rod 12, the top of the electric push rod 12 is fixedly connected with the U-shaped adjusting rod 13, the left and right sides of the U-shaped adjusting rod 13 are provided with telescopic rods 14, the telescopic rods 14 are movably connected with the loop bar 11, the top of the U-shaped adjusting rod 13 is fixedly connected with the motor box 16, the left side and the right side of the motor box 16 are provided with placing plates 15, the placing plates 15 are fixedly connected with the top of the U-shaped adjusting rod 13, a groove 24 is arranged on the upper portion of the placing plates 15, the left side inside the motor box 16 is provided with a motor 17, the motor 17 is provided with an output shaft 18, the output shaft 18 is rotatably connected with the inner wall of the upper side of the motor box 16, the output shaft 18 is sleeved with a driving wheel 19, the upper side of the motor box 16 is provided with an opening 20, the middle position of the inner wall of the bottom side of the motor box 16 is rotatably connected with a rotating shaft 21, the rotating shaft 21 penetrates through the opening 20 and extends towards the direction far away from the motor box 16, the rotating shaft 21 is sleeved with a driven wheel 22, the driving wheel 19 is in transmission connection with a belt 23 from the driven wheel 22, the top of the rotating shaft 21 is fixedly connected with a rotating plate 27, the left side and the right side of the rotating plate 27 are fixedly connected with trapezoidal connecting pieces 28, and the trapezoidal connecting pieces 28 are fixedly connected with a writing plate 29, the writing board 29 is provided with an outer frame 30 at the edge, annular lamps 31 are arranged around the outer frame 30, a power supply box 32 is fixedly connected to the bottom of the outer frame 30, and a battery 33 is arranged inside the power supply box 32.

The inside singlechip 2 that is equipped with of bottom plate 1, public address equipment 7, electric putter 12 and motor 17 and external power source and singlechip 2 electric connection, and the singlechip model is STM 32.

And the V-shaped fixing frame 4 is provided with a fixing bolt 5 in threaded connection.

The handle 9 is sleeved with a rubber ring.

The groove 24 is provided with a writing pen 25 and a blackboard eraser 26.

The battery 33 is electrically connected with the annular lamp 31 and is provided with a control switch.

The utility model discloses a theory of operation is:

the utility model relates to a rotatable teaching board for Chinese teaching, which moves by using a self-locking universal wheel 3, screws a fixing bolt 5 on a V-shaped fixing frame 4 after moving to a designated position, the V-shaped fixing frame 4 can reduce the pressure born by the self-locking universal wheel 3, so that the teaching board is more stable, the service life of the teaching board is prolonged, when the height of the teaching board needs to be adjusted, an electric push rod 12 is started, the electric push rod 12 drives a U-shaped adjusting rod 13 to move up and down, the length of a telescopic rod 14 is changed, the height of the teaching board can be adjusted, the telescopic rod 14 can play a supporting role, the stability of the teaching board is further enhanced, a motor 17 is started, an output shaft 18 rotates to drive a driving wheel 19 to rotate, the driving wheel 19 rotates to drive a driven wheel 22 to rotate through the transmission of a belt 23, the driven wheel 22 rotates to drive a rotating shaft 21 to rotate, the rotating shaft 21 rotates to drive a rotating plate 27 to rotate, and then drive trapezoidal connecting piece 28 and rotate to drive board 29 and rotate, rotatory to the assigned position can according to the demand, improve the convenience of user's teaching, can place equipment such as microphone in the dodge gate 8, connect public address equipment 7 through the microphone, can strengthen teacher's volume, annular lamp 31 can strengthen board 29's illumination intensity, eliminates the illumination shadow, solves the reflection of light problem, has improved the quality of teaching.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A rotatable teaching board for Chinese teaching comprises a bottom board (1), a U-shaped adjusting rod (13), a motor box (16), a rotating shaft (21) and a writing board (29), and is characterized in that the lower end of the bottom board (1) is provided with a self-locking universal wheel (3), V-shaped fixing frames (4) are arranged on the left side and the right side of the bottom board (1), a public address device (7), a movable door (8) and a loop bar (11) are fixedly connected to the upper portion of the bottom board (1), a handle (9) is arranged on the movable door (8), a hinge (10) in rotating connection is arranged on the movable door (8), a connecting plate (6) is fixedly connected to the upper portions of the public address device (7) and the movable door (8), an electric push rod (12) is fixedly connected to the center of the connecting plate (6), the U-shaped adjusting rod (13) is fixedly connected to the top of the electric push rod (12), telescopic rods (14) are arranged on the left side and the right side of the U-shaped adjusting rod (13), the telescopic rod (14) is movably connected with the loop bar (11), the top of the U-shaped adjusting rod (13) is fixedly connected with a motor box (16), the left side and the right side of the motor box (16) are provided with placing plates (15), the placing plates (15) are fixedly connected with the top of the U-shaped adjusting rod (13), the upper part of the placing plates (15) is provided with a groove (24), the left side inside the motor box (16) is provided with a motor (17), the motor (17) is provided with an output shaft (18), the output shaft (18) is rotatably connected with the inner wall of the upper side of the motor box (16), the output shaft (18) is sleeved with a driving wheel (19), the upper side of the motor box (16) is provided with an opening (20), the middle position of the inner wall of the bottom side of the motor box (16) is rotatably connected with a rotating shaft (21), and the rotating shaft (21) penetrates through the opening (20) and extends towards the direction far away from the motor box (16), pivot (21) have been cup jointed from driving wheel (22), action wheel (19) are connected with belt (23) with following driving wheel (22) transmission, pivot (21) top fixedly connected with rotor plate (27), rotor plate (27) left and right sides fixedly connected with trapezoidal connecting piece (28), trapezoidal connecting piece (28) fixedly connected with board (29), board (29) edge is provided with frame (30), frame (30) are equipped with annular lamp (31) all around, frame (30) bottom fixedly connected with power pack (32), power pack (32) inside is equipped with battery (33).

2. The rotatable teaching board for Chinese teaching according to claim 1, wherein a single chip microcomputer (2) is arranged inside the bottom board (1), the sound amplifying device (7), the electric push rod (12) and the motor (17) are electrically connected with an external power supply and the single chip microcomputer (2), and the single chip microcomputer is STM32 in model.

3. The rotatable teaching board for Chinese teaching according to claim 1, wherein the V-shaped fixing frame (4) is provided with a fixing bolt (5) in threaded connection.

4. The rotatable teaching board for Chinese teaching according to claim 1, wherein the handle (9) is sleeved with a rubber ring.

5. A rotatable teaching board for Chinese teaching according to claim 1, characterized in that the groove (24) is placed with a writing pen (25) and a blackboard eraser (26).

6. A rotatable teaching board for Chinese teaching according to claim 1, wherein the battery (33) is electrically connected to the ring-shaped lamp (31) and is provided with a control switch.