CN213664172U

CN213664172U - Presentation device is used in teaching

Info

Publication number: CN213664172U
Application number: CN202021013207.XU
Authority: CN
Inventors: 巩长芬
Original assignee: Nanchang Institute of Technology
Current assignee: Nanchang Institute of Technology
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-07-13
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a demonstration device for teaching, the structure of which comprises a drawer cabinet, a vertical cabinet and a desktop, the two sides of the bottom of the desktop are fixedly connected with the drawer cabinet and the vertical cabinet, the two sides of the drawer cabinet and the vertical cabinet are connected with a telescopic desktop in a sliding way, the left side of the surface of the desktop is fixedly connected with a controller, the front end of the controller is provided with a microphone, the microphone is fixedly connected with the desktop, the rear end of the controller is provided with a sound box, the sound box is fixedly connected with the desktop, the microphone and the sound box are both fixedly connected with the controller through a circuit, the right side of the controller is provided with a circular accommodating cavity, the accommodating cavity is embedded inside the desktop, the middle of the accommodating cavity is provided with a circular display board, the utility model is provided with the display board which can be telescopically rotated, so that students in all directions can conveniently watch, and the microphone and the sound box can make the students listen more, the book support is arranged to facilitate book placement, and the telescopic desktop is arranged to store objects to be demonstrated.

Description

Presentation device is used in teaching

Technical Field

The utility model relates to a teaching equipment technical field specifically is a presentation device is used in teaching.

Background

In the middle school student teaching, the textbook knowledge is abstract and complex, so that a teacher is laboursome in explaining, the students are difficult to understand, and the memory of the students is not facilitated, so that the teacher often demonstrates some real objects to express the knowledge in the textbook, and the students are helped to combine the real objects to better memorize.

Generally, when a real object is demonstrated, a teacher is required to hold the real object, so that the real object can be conveniently watched by students at the back, the operation is very inconvenient, the burden of the teacher is increased, and in addition, the speaking sound of the teacher is sometimes small, so that students in the back row cannot hear clearly, and the learning efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a presentation device is used in teaching has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a presentation device is used in teaching, its structure includes drawer cabinet, perpendicular cabinet and desktop, the bottom both sides fixedly connected with drawer cabinet and the perpendicular cabinet of desktop, drawer cabinet and the both sides sliding connection who erects the cabinet have flexible desktop, the surperficial left side fixedly connected with controller of desktop, the front end of controller is equipped with the microphone, microphone and desktop fixed connection, the rear end of controller is equipped with the audio amplifier, audio amplifier and desktop fixed connection, microphone and audio amplifier are all through circuit and controller fixed connection, the right of controller is equipped with the circular shape and accepts the chamber, it scarf joint the inside at the desktop to accept the chamber, it is equipped with circular shape show board to accept the centre in chamber.

As an optimal implementation mode of the utility model, the bottom of show board is rotated and is connected with the rotating electrical machines box, the inside of rotating electrical machines box is equipped with the rotating electrical machines, rotating electrical machines fixed connection in show board and the rotating electrical machines box, the bottom fixedly connected with telescopic link of rotating electrical machines box, the flexible motor case of bottom fixedly connected with of desktop, desktop and flexible motor case fixed connection are run through to the bottom of telescopic link, rotating electrical machines box and flexible motor case are all through circuit and controller fixed connection.

As a preferred embodiment of the utility model, the inside of flexible desktop is equipped with the cross slab and erects the baffle, the cross slab intersects perpendicularly with the centre of erecting the baffle, the cross slab is equipped with the pivot with the crossing department in the centre of erecting the baffle, the cross slab rotates the side of connecting in the pivot with erecting the baffle, the bottom fixed connection of pivot is in the bottom of flexible desktop.

As a preferred embodiment of the utility model, the front portion of show board is equipped with the books support, the front end and the desktop of books support rotate to be connected, the back of books support rotates and is connected with movable support, the right-hand member of books support is equipped with two recesses, the inside of recess is equipped with the chalk box, the fixedly connected with stopper of upper end border department of chalk box, the stopper joint is on the surface of desktop.

As an optimal implementation manner of the utility model, the upper right corner of desktop is equipped with the LED lamp, LED lamp and desktop fixed connection, the fixed surface of show board is connected with the slipmat, the surface of controller is equipped with control button, the LED lamp passes through circuit and controller fixed connection.

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

1. this presentation device is used in teaching, it is flexible from top to bottom to drive the show board through setting up flexible motor case, can raise the show thing, and the student of the back row of being convenient for watches, can make the show board rotatory through setting up the rotating electrical machines box to in carrying out watching of all directions to the show thing, liberated mr's both hands, it is more convenient to use.

2. Through setting up microphone and audio amplifier, can enlarge mr's sound, the student of being convenient for listens more clearly, can incline to place books on the books support that is equipped with, is convenient for watch, sets up collapsible flexible desktop and can store article or the teaching aid that needs the demonstration, and the space size can independently be adjusted, and it is more convenient to save.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of a front cross-sectional structure of a teaching demonstration apparatus of the present invention;

fig. 2 is a schematic top view of the teaching demonstration apparatus of the present invention;

fig. 3 is the utility model relates to a teaching is with presentation device looks sideways at schematic diagram.

In the figure: the multifunctional desk comprises a drawer cabinet-1, a vertical cabinet-2, a desktop-3, a telescopic desktop-4, a transverse partition-41, a vertical partition-42, a rotating shaft-43, a controller-5, a control button-51, a microphone-6, an accommodating cavity-7, a display board-8, an anti-slip pad-81, a rotating motor box-9, a telescopic rod-10, a telescopic motor box-11, a groove-12, a chalk box-13, a limiting block-14, an LED lamp-15, a sound box-16, a book support-17 and a movable support-18.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a presentation device is used in teaching, its structure includes drawer cabinet 1, perpendicular cabinet 2 and desktop 3, the bottom both sides fixedly connected with drawer cabinet 1 and perpendicular cabinet 2 of desktop 3, drawer cabinet 1 and perpendicular cabinet 2's both sides sliding connection have flexible desktop 4, desktop 3's surperficial left side fixedly connected with controller 5, the front end of controller 5 is equipped with microphone 6, microphone 6 and 3 fixed connection of desktop, the rear end of controller 5 is equipped with audio amplifier 16,

audio amplifier

16 and 3 fixed connection of desktop, microphone 6 and audio amplifier 16 are all through circuit and 5 fixed connection of controller, the right of controller 5 is equipped with the circular shape and accepts chamber 7, accept chamber 7 scarf joint in desktop 3's inside, the centre of accepting chamber 7 is equipped with circular shape show board 8.

Referring to fig. 1, the bottom of the display board 8 is rotatably connected with a rotating motor box 9, a rotating motor is arranged inside the rotating motor box 9, the display board 8 is fixedly connected with the rotating motor in the rotating motor box 9, the bottom of the rotating motor box 9 is fixedly connected with a telescopic rod 10, the bottom of the desktop 3 is fixedly connected with a telescopic motor box 11, the bottom of the telescopic rod 10 penetrates through the desktop 3 and is fixedly connected with the telescopic motor box 11, and the rotating motor box 9 and the telescopic motor box 11 are both fixedly connected with the controller 5 through circuits. The rotating motor box 9 that is equipped with plays and drives 8 pivoted effects of show board, and the flexible motor case 11 that is equipped with plays and drives the flexible effect of telescopic link 10.

Referring to fig. 2, a transverse partition plate 41 and a vertical partition plate 42 are arranged inside the telescopic desktop 4, the middle of the transverse partition plate 41 is vertically intersected with the middle of the vertical partition plate 42, a rotating shaft 43 is arranged at the intersection of the middle of the transverse partition plate 41 and the middle of the vertical partition plate 42, the transverse partition plate 41 and the vertical partition plate 42 are rotatably connected to the side surface of the rotating shaft 43, and the bottom of the rotating shaft 43 is fixedly connected to the bottom of the telescopic desktop 4. The transverse partition plate 41 and the vertical partition plate 42 are arranged to isolate the inner space of the telescopic desktop 4, and the rotating shaft 43 is arranged to facilitate the rotation of the transverse partition plate 41 and the vertical partition plate 42.

Referring to fig. 2 and 3, a book support 17 is arranged at the front of the display board 8, the front end of the book support 17 is rotatably connected with the desktop, a movable support 18 is rotatably connected to the back of the book support 17, two grooves 12 are arranged at the right end of the book support 17, a chalk box 13 is arranged inside the grooves 12, a limit block 14 is fixedly connected to the upper end edge of the chalk box 13, and the limit block 14 is clamped on the surface of the desktop 3. The book support 17 that is equipped with plays the effect of supporting books, the movable support 18 that is equipped with plays the effect of supporting book support 17, and the chalk box 13 that is equipped with plays the effect of depositing the chalk, and the stopper 14 and the recess 12 that are equipped with play the effect of convenient to detach chalk box 13.

Referring to fig. 2 and 3, an LED lamp 15 is disposed at the upper right corner of the desktop 3, the LED lamp 15 is fixedly connected to the desktop 3, an anti-slip pad 81 is fixedly connected to the surface of the display board 8, a control button 51 is disposed on the surface of the controller 5, and the LED lamp 15 is fixedly connected to the controller 5 through a circuit. The LED lamp 15 is arranged to play a role in lighting, the anti-slip pad 81 is arranged to play a role in slip prevention, and the control button 51 is arranged to play a role in controlling the LED lamp 15 to be turned on and off.

The utility model discloses a drawer cabinet 1, erect cabinet 2, desktop 3, flexible desktop 4, cross slab 41, erect baffle 42, pivot 43, controller 5, control button 51, microphone 6, accept chamber 7, show board 8, slipmat 81, rotating electrical machines box 9, telescopic link 10, flexible motor case 11, recess 12, chalk box 13, stopper 14, LED lamp 15, audio amplifier 16, books support 17, movable support 18, the part is the part that general standard spare or technical personnel in the field know, its structure and principle all are this technical staff and all can learn through the technical manual or learn through conventional experimental method.

The working principle is as follows: when the utility model is used, the telescopic table top 4 is firstly connected with the two sides of the drawer cabinet 1 and the vertical cabinet 2 in a sliding way, the telescopic table top 4 can be contracted in the drawer cabinet 1 and the vertical cabinet 2, then the rotating shaft 43 is arranged in the telescopic table top 4, then the rotating shaft 43 is rotatably connected with the transverse clapboard 41 and the vertical clapboard 42 to isolate the space, then the LED lamp 15 is fixedly connected with the upper right corner of the table top 3 to illuminate, then the groove 12 is arranged on the table top 3 at the front end of the LED lamp 15, the chalk box 13 is arranged on the upper part of the groove 12, then the limit is fixedly connected with the limit block 14 at the edge of the chalk box 13, then the round accommodating cavity 7 is arranged in the middle of the table top 3, then the display board 8 is arranged in the accommodating cavity 7, then the rotary motor box 9 is rotatably connected with the bottom of the display board 8, thereby driving the display board 8 to rotate, then the lower part of the rotary motor box 9 is fixedly connected, then the telescopic rod 10 is fixedly connected with a telescopic motor box 11 at the bottom of the desktop 3 through the desktop 3 for stretching, then a tiltable book support 17 is arranged on the desktop 3 at the front part of the display board 8 for placing books, then a sound box 16 is fixedly connected at the upper left corner of the desktop 3, a microphone 6 is fixedly connected at the lower left corner of the desktop 3, then the microphone 6 is connected with the sound box 16 through a circuit, finally a controller 5 is arranged between the microphone 6 and the sound box 16, and the microphone 6, the sound box 16, the rotary motor box 9, the telescopic motor box 11 and the LED lamp 15 are fixedly connected with the controller 5 through circuits, the controller 5 is a main command device which controls the starting, speed regulation, braking and reversing of the motor by changing the wiring of the main circuit or the control circuit and the resistance value in the circuit according to a preset sequence, and the program counter, the command register and the command decoder are used for controlling, The timing generator and the operation controller are formed, and the timing generator is a decision-making mechanism for issuing commands, namely, the timing generator coordinates and commands the operation of the whole computer system.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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. The utility model provides a presentation device is used in teaching, its structure includes drawer cabinet (1), vertical cabinet (2) and desktop (3), its characterized in that: bottom both sides fixedly connected with drawer cabinet (1) and perpendicular cabinet (2) of desktop (3), both sides sliding connection of drawer cabinet (1) and perpendicular cabinet (2) has flexible desktop (4), the surperficial left side fixedly connected with controller (5) of desktop (3), the front end of controller (5) is equipped with microphone (6), microphone (6) and desktop (3) fixed connection, the rear end of controller (5) is equipped with audio amplifier (16), audio amplifier (16) and desktop (3) fixed connection, microphone (6) and audio amplifier (16) all through circuit and controller (5) fixed connection, the right of controller (5) is equipped with circular shape and accepts chamber (7), accept the inside of chamber (7) scarf joint at desktop (3), the centre of accepting chamber (7) is equipped with circular shape show board (8).

2. A teaching presentation device as claimed in claim 1, wherein: the bottom of show board (8) is rotated and is connected with rotating electrical machines box (9), the inside of rotating electrical machines box (9) is equipped with the rotating electrical machines, the rotating electrical machines fixed connection in show board (8) and rotating electrical machines box (9), the bottom fixedly connected with telescopic link (10) of rotating electrical machines box (9), the flexible motor case (11) of bottom fixedly connected with of desktop (3), the bottom of telescopic link (10) runs through desktop (3) and flexible motor case (11) fixed connection, rotating electrical machines box (9) and flexible motor case (11) are all through circuit and controller (5) fixed connection.

3. A teaching presentation device as claimed in claim 1, wherein: the inside of flexible desktop (4) is equipped with cross slab (41) and erects baffle (42), cross slab (41) and the middle of erecting baffle (42) are crossing perpendicularly, the crossing department in the middle of cross slab (41) and perpendicular baffle (42) is equipped with pivot (43), cross slab (41) and perpendicular baffle (42) rotate the side of connecting in pivot (43), the bottom fixed connection of pivot (43) is in the bottom of flexible desktop (4).

4. A teaching presentation device as claimed in claim 1, wherein: the front portion of show board (8) is equipped with books support (17), the front end and the desktop of books support (17) rotate to be connected, the back of books support (17) rotates and is connected with movable support (18), the right-hand member of books support (17) is equipped with two recess (12), the inside of recess (12) is equipped with chalk box (13), fixedly connected with stopper (14) are located at the upper end border of chalk box (13), stopper (14) joint is on the surface of desktop (3).

5. A teaching presentation device as claimed in claim 1, wherein: the LED table is characterized in that an LED lamp (15) is arranged at the upper right corner of the table top (3), the LED lamp (15) is fixedly connected with the table top (3), an anti-slip pad (81) is fixedly connected to the surface of the display board (8), a control button (51) is arranged on the surface of the controller (5), and the LED lamp (15) is fixedly connected with the controller (5) through a circuit.