CN220379354U - Auxiliary device for teaching geography of junior middle school - Google Patents

Abstract

The application provides a junior middle school geography teaching auxiliary device relates to teaching appurtenance field. This geographical teaching auxiliary device in junior middle school includes backup pad, movable plate and can make the universal wheel that this device removed, the fixed surface of movable plate installs the second motor, the support frame is installed to the output of second motor, the fixed surface of support frame installs the bull stick, the demonstration screen is installed in the one end rotation of bull stick, the surface mounting of support frame has second slider, second slider's one end is connected with the movable rod. This geographical teaching auxiliary device in junior middle school through set up the second motor at the surface of movable plate, cooperates third slider, can make the demonstration screen rotate about, through setting up the bull stick at the surface of support frame, cooperation second slider and movable rod can make the demonstration screen rotate from top to bottom, has played the effect of adjustment demonstration screen's angle, prevents to see the content on the unclear demonstration screen because the reflection of light that the sunshine shines and causes.

Description

Auxiliary device for teaching geography of junior middle school

Technical Field

The application relates to the technical field of teaching auxiliary tools, in particular to a geographic teaching auxiliary device for junior middle school.

Background

In the process of geography teaching, students are usually helped to better impress by means of some instruments, so that teaching results can be better improved, topography, contour lines and the like are important courses in the process of geography teaching, and students are required to better understand topography and understand operation and the like in the process of teaching.

For example, the Chinese utility model patent with the publication number of CN204143760U discloses a junior middle school geography teaching auxiliary device, the mobility of the device can be improved through a support with universal wheels, the structure is simple, convenience and practicability are realized, meanwhile, the device is also provided with a display screen, related knowledge points can be displayed on the display screen, the theoretical part and the physical model can be conveniently displayed at the same time, the understanding of students is facilitated, and the teaching efficiency is improved.

However, in the above patent, the angle of the demonstration screen cannot be adjusted, and the phenomenon of reflection of light appears in the demonstration screen when sunlight irradiates is easily caused, so that students can watch the content on the unclear demonstration screen, and the teaching effect is reduced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the application provides a junior middle school geography teaching auxiliary device which solves the problems in the background technology.

(II) technical scheme

In order to achieve the above purpose, the present application is implemented by the following technical schemes: the utility model provides a junior middle school geography teaching auxiliary device, includes backup pad, movable plate and can make the universal wheel that this device removed, the fixed surface of movable plate installs the second motor, the support frame is installed to the output of second motor, the fixed surface of support frame installs the bull stick, the demonstration screen is installed in the one end rotation of bull stick, the surface mounting of support frame has second slider, second slider's one end is connected with the movable rod, the surface of movable plate is provided with third slider, the surface of movable plate is provided with the rack.

Through adopting above-mentioned technical scheme, through set up the second motor at the surface of movable plate, cooperation third slider can make the demonstration screen rotate about, through set up the bull stick at the surface of support frame, cooperation second slider and movable rod can make the demonstration screen rotate from top to bottom, has played the effect of adjustment demonstration screen's angle, prevents to see the content on the demonstration screen because the reflection of light that the sunshine shines and causes.

Preferably, the first sliding device comprises a first sliding rail and a first sliding block, one end of the first sliding block is connected with the moving plate, and the first sliding rail is in sliding connection with the first sliding block.

Through adopting above-mentioned technical scheme, cooperation motor, threaded rod and screw thread section of thick bamboo have played the effect of lift movable plate to make demonstration screen, rack lift.

Preferably, the second sliding device comprises an electric sliding rail and a second sliding block, one end of the second sliding block is movably connected with the movable rod, and one end of the movable rod is movably connected with the demonstration screen.

Through adopting above-mentioned technical scheme, cooperation bull stick can make the demonstration screen rotate from top to bottom.

Preferably, the bottom of backup pad is installed first motor, the threaded rod is installed to the output of first motor, the surface threaded connection of threaded rod has a screw thread section of thick bamboo, the one end and the movable plate of screw thread section of thick bamboo are connected, the surface of backup pad is provided with a slider.

Through adopting above-mentioned technical scheme, through set up the motor in the surface of backup pad, cooperation threaded rod, screw thread section of thick bamboo and first slider can make the movable plate go up and down, has played the effect that drives demonstration screen and rack and goes up and down, is convenient for adjust the height of demonstration screen, rack according to user's height.

Preferably, the third sliding device comprises a second sliding rail and a third sliding block, and one end of the third sliding block is connected with the supporting frame.

Through adopting above-mentioned technical scheme, cooperation second motor and support frame can make the demonstration screen rotate about.

Preferably, the surface fixed mounting of backup pad has electric putter, electric putter's one end fixed mounting has the fixed plate, electric putter and the quantity of fixed plate are two, two electric putter and fixed plate are the both sides of symmetry installation in the backup pad.

Through adopting above-mentioned technical scheme, make the fixed plate remove through electric putter, played the effect of fixing this device on ground.

Preferably, the number of the universal wheels is four, and the four universal wheels are distributed in four corners at the bottom of the supporting plate.

By adopting the technical scheme, the device has the function of being convenient for randomly moving.

(III) beneficial effects

The application provides a junior middle school geography teaching auxiliary device. The beneficial effects are as follows:

1. this geographical teaching auxiliary device in junior middle school through set up the second motor at the surface of movable plate, cooperates third slider, can make the demonstration screen rotate about, through setting up the bull stick at the surface of support frame, cooperation second slider and movable rod can make the demonstration screen rotate from top to bottom, has played the effect of adjustment demonstration screen's angle, prevents to see the content on the unclear demonstration screen because the reflection of light that the sunshine shines and causes.

2. This geographical teaching auxiliary device in junior middle school through set up the motor in the surface of backup pad, cooperation threaded rod, screw thread section of thick bamboo and first slider can make the movable plate go up and down, has played the effect that drives demonstration screen and rack and goes up and down, is convenient for adjust the height of demonstration screen, rack according to user's height.

Drawings

FIG. 1 is a schematic diagram of the complete structure of the present application;

FIG. 2 is a first perspective view of the present application;

fig. 3 is a second perspective view of the present application.

In the figure: 1. a support plate; 2. a universal wheel; 3. an electric push rod; 4. a fixing plate; 5. a first motor; 6. a threaded rod; 7. a thread cylinder; 8. a first sliding device; 9. a moving plate; 10. a second motor; 11. a support frame; 12. a rotating rod; 13. a demonstration screen; 14. a second sliding device; 15. a movable rod; 16. a third sliding device; 17. and (5) placing a rack.

Detailed Description

The present application is further elaborated by the following figures and examples.

Referring to fig. 1 and 3, this application embodiment provides junior middle school geography teaching auxiliary device, including backup pad 1, movable plate 9 and universal wheel 2 that can make this device remove, movable plate 9's fixed surface installs second motor 10, support frame 11 is installed to second motor 10's output, support frame 11's fixed surface installs bull stick 12, demonstration screen 13 is installed in the rotation of bull stick 12's one end, support frame 11's surface mounting has second slider 14, second slider 14's one end is connected with movable rod 15, movable plate 9's surface is provided with third slider 16, movable plate 9's surface is provided with rack 17, drive support frame 11 through second motor 10 and rotate, cooperate third slider 16, thereby make demonstration screen 13 rotate about, can adjust the angle of demonstration screen 13 as required, rethread second slider 14, make movable rod 15 remove, cooperate bull stick 12, make demonstration screen 13 rotate about, can adjust the angle of demonstration screen 13.

Referring to fig. 1 and 2, in one aspect of the present embodiment, the second sliding device 14 includes an electric sliding rail and a second sliding block, one end of the second sliding block is movably connected with the movable rod 15, and is matched with the second motor 10 and the supporting frame 11, so that the demonstration screen 13 can be rotated left and right, one end of the movable rod 15 is movably connected with the demonstration screen 13, the third sliding device 16 includes a second sliding rail and a third sliding block, one end of the third sliding block is connected with the supporting frame 11, and is matched with the rotating rod 12, so that the demonstration screen 13 can be rotated up and down.

Referring to fig. 1 and 3, in one aspect of the present embodiment, a first motor 5 is installed at the bottom of a support plate 1, a threaded rod 6 is installed at the output end of the first motor 5, a thread cylinder 7 is screwed to the surface of the threaded rod 6, one end of the thread cylinder 7 is connected to a moving plate 9, a first sliding device 8 is provided on the surface of the support plate 1, the threaded rod 6 is driven to rotate by the first motor 5, the thread cylinder 7 is moved, the moving plate 9 is moved in cooperation with the first sliding device 8, and thus, a presentation screen 13 is moved, and the presentation screen 13 is moved to a proper height.

Referring to fig. 2 and 3, in one aspect of the present embodiment, an electric push rod 3 is fixedly installed on the surface of a support plate 1, a fixing plate 4 is fixedly installed at one end of the electric push rod 3, the number of the electric push rods 3 and the number of the fixing plates 4 are two, the two electric push rods 3 and the fixing plates 4 are symmetrically installed at two sides of the support plate 1, the number of the universal wheels 2 is four, the four universal wheels 2 are distributed in four corners of the bottom of the support plate 1, the device is moved to a proper position through the universal wheels 2, the fixing plates 4 are moved through the electric push rod 3, the fixing plates 4 are contacted with the ground, the device is fixed on the ground, and the device is prevented from moving when in use.

All the electric equipment in this scheme all carry out the power supply through external power supply.

Working principle: when the device is used, the device is moved to a proper position through the universal wheel 2, the fixed plate 4 is moved through the electric push rod 3, the fixed plate 4 is contacted with the ground, the device is fixed on the ground, the device is prevented from moving when in use, the threaded rod 6 is driven to rotate through the first motor 5, the threaded cylinder 7 is enabled to move, the first sliding device 8 is matched, the moving plate 9 is enabled to move, the demonstration screen 13 is enabled to move to a proper height, a user can conveniently use the device, the supporting frame 11 is driven to rotate through the second motor 10, the third sliding device 16 is matched, the demonstration screen 13 is enabled to rotate left and right, the angle of the demonstration screen 13 can be adjusted according to requirements, the movable rod 15 is enabled to move through the second sliding device 14, the rotary rod 12 is matched, the angle of the demonstration screen 13 can be adjusted, the reflection of light caused by sunlight is prevented from being invisible, and the device can be used for conveniently matching with the content on the demonstration screen 13 through the arrangement of the placing frame 17 on the surface of the moving plate 9.

Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a geographical teaching auxiliary device in junior middle school, includes backup pad (1), movable plate (9) and can make universal wheel (2) that this device removed, its characterized in that: the surface fixed mounting of movable plate (9) has second motor (10), support frame (11) are installed to the output of second motor (10), the surface fixed mounting of support frame (11) has bull stick (12), demonstration screen (13) are installed in the one end rotation of bull stick (12), the surface mounting of support frame (11) has second slider (14), the one end of second slider (14) is connected with movable rod (15), the surface of movable plate (9) is provided with third slider (16), the surface of movable plate (9) is provided with rack (17).

2. The junior middle school geography teaching aid according to claim 1, wherein: the third sliding device (16) comprises a second sliding rail and a third sliding block, and one end of the third sliding block is connected with the supporting frame (11).

3. The junior middle school geography teaching aid according to claim 1, wherein: the second sliding device (14) comprises an electric sliding rail and a second sliding block, one end of the second sliding block is movably connected with the movable rod (15), and one end of the movable rod (15) is movably connected with the demonstration screen (13).

4. The junior middle school geography teaching aid according to claim 1, wherein: the utility model discloses a motor, including backup pad, screw rod (6), screw barrel (7) are installed to the bottom of backup pad (1), threaded rod (6) are installed to the output of first motor (5), the one end and the movable plate (9) of screw barrel (7) are connected, the surface of backup pad (1) is provided with first slider (8).

5. The junior middle school geography teaching aid according to claim 4, wherein: the first sliding device (8) comprises a first sliding rail and a first sliding block, one end of the first sliding block is connected with the moving plate (9), and the first sliding rail is in sliding connection with the first sliding block.

6. The junior middle school geography teaching aid according to claim 1, wherein: the surface fixed mounting of backup pad (1) has electric putter (3), the one end fixed mounting of electric putter (3) has fixed plate (4), the quantity of electric putter (3) and fixed plate (4) is two, two electric putter (3) are the both sides of symmetry installation in backup pad (1) with fixed plate (4).

7. The junior middle school geography teaching aid according to claim 1, wherein: the number of the universal wheels (2) is four, and the four universal wheels (2) are distributed in four corners of the bottom of the supporting plate (1).