CN213541815U

CN213541815U - Electronic screen for economics demonstration

Info

Publication number: CN213541815U
Application number: CN202022598066.9U
Authority: CN
Inventors: 冉子轩
Original assignee: Individual
Current assignee: Chongqing Technology and Business University
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-06-25
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses an electronics screen is used in economics demonstration relates to electronics screen technical field is used in the demonstration. The utility model discloses a bottom plate, the middle part welding at bottom plate top has four fixed columns, the equal sliding connection in inside of four fixed columns has the slip post, the inside of four fixed columns and the bottom that is located the slip post are provided with the spring, the top welding of slip post has the frame of placing, the inside of placing the frame is fixed with first motor, the output of first motor is fixed with first bevel gear, one side meshing at first bevel gear top is connected with the opposite side welding of second bevel gear has the dwang, the outside of dwang is rotated and is connected with the backup pad. The utility model discloses a mutually supporting between first motor, fourth bevel gear and the ring gear for the angle of electronic screen can be conveniently adjusted more to the device, and through mutually supporting between second motor, threaded rod and the movable plate, makes the device can conveniently adjust the height of electronic screen more.

Description

Electronic screen for economics demonstration

Technical Field

The utility model belongs to the technical field of the electronic screen is used in the demonstration, especially, relate to an electronics screen is used in economics demonstration.

Background

Economics is a relatively boring subject on a class, mainly give lessons through the text explanation in the classroom, make the teaching content tedious, the enthusiasm that the student listened to lessons is not high, the quality of giving lessons is lower, therefore, in the teaching of the economics of each colleges and universities, there is the electron screen that the economics demonstration of some special usefulness was used, however, the present device is not convenient for the teaching content of the show mr of multi-angle, and then the practicality of device has been reduced, and the height of the electron screen is often inconvenient to adjust to present device, be not convenient for student's observation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronics screen for economics demonstration to solve current problem: the prior device is not convenient for the teaching content of a display teacher with multiple angles, and then the practicability of the device is reduced.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an electronic screen for economics demonstration, which comprises a bottom plate, wherein four fixed columns are welded in the middle of the top of the bottom plate, sliding columns are evenly and slidably connected in the four fixed columns, springs are arranged in the four fixed columns and at the bottom of the sliding columns, a placing frame is welded at the top of the sliding columns, a first motor is fixed in the placing frame, a first bevel gear is fixed at the output end of the first motor, a second bevel gear is meshed and connected with one side of the top of the first bevel gear, a rotating rod is welded at the other side of the second bevel gear, a supporting plate is rotatably connected with the outer side of the rotating rod and is welded with the placing frame, a third bevel gear is welded at the other side of the rotating rod, a fourth bevel gear is meshed and connected with the top of the other side of the third bevel gear, a first driving gear is welded at the top, one side meshing of first driving gear is connected with first driven gear, the outside meshing of first driven gear is connected with ring gear, ring gear's top welding has the rolling disc, just the rolling disc rotates with placing the frame and is connected, the electronic screen is installed at the top of rolling disc.

Furthermore, the bottom of the bottom plate is bonded with a non-slip mat, and the non-slip mat is made of rubber.

Further, the rotating rod is rotatably connected with the supporting plate through a bearing.

Furthermore, the fixed column is in clearance fit with the sliding column.

Further, the top of bottom plate and the both sides that are located four fixed columns all weld fixed frame, the inside of fixed frame is fixed with the second motor, the output end of second motor is fixed with the second driving gear, one side meshing of second driving gear is connected with second driven gear, the inside of second driven gear is fixed with the threaded rod, just the threaded rod passes through the bearing rotation with fixed frame and is connected, the top of fixed frame and the both sides that are located the threaded rod all weld the gag lever post, the movable plate is installed in the outside of threaded rod and gag lever post, threaded rod and movable plate threaded connection, just gag lever post and movable plate sliding connection, the movable plate with place frame welded connection.

Further, the top welding of gag lever post has the roof, the roof rotates with the threaded rod to be connected, just the material of roof is high carbon steel.

The utility model discloses following beneficial effect has:

1. the utility model discloses a mutually supporting between first motor, fourth bevel gear and the ring gear for the angle that the electronic screen can conveniently be adjusted to the device more, and then make the show mr's that the device can the multi-angle teaching content, and then promoted the device practicality.

2. The utility model discloses a mutually supporting between second motor, threaded rod and the movable plate for the device can conveniently adjust the height of electronic screen more, makes things convenient for student's observation more.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view of the placement frame of the present invention;

fig. 3 is a schematic structural diagram of the present invention between the first motor, the fourth bevel gear and the ring gear;

fig. 4 is a cross-sectional view of the fixing column of the present invention;

fig. 5 is a sectional view of the fixing frame of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base plate; 2. fixing a column; 3. a sliding post; 4. placing the frame; 5. a first motor; 6. a first bevel gear; 7. a second bevel gear; 8. rotating the rod; 9. a support plate; 10. a third bevel gear; 11. a fourth bevel gear; 12. a first drive gear; 13. a first driven gear; 14. a ring gear; 15. rotating the disc; 16. an electronic screen; 17. a fixing frame; 18. a second motor; 19. a second driving gear; 20. a second driven gear; 21. a threaded rod; 22. a limiting rod; 23. moving the plate; 24. a spring.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-5, the utility model relates to an electronic screen for economics demonstration, including bottom plate 1, the middle part welding at bottom plate 1 top has four fixed columns 2, the inside of four fixed columns 2 all sliding connection has sliding column 3, fixed column 2 is clearance fit with sliding column 3, make sliding column 3 slide in fixed column 2, the inside of four fixed columns 2 and the bottom that is located sliding column 3 are provided with spring 24, the top welding of sliding column 3 has placing frame 4, the inside of placing frame 4 is fixed with first motor 5, the output end of first motor 5 is fixed with first bevel gear 6, one side meshing connection at first bevel gear 6 top has second bevel gear 7;

a rotating rod 8 is welded on the other side of the second bevel gear 7, a supporting plate 9 is rotatably connected on the outer side of the rotating rod 8, the rotating rod 8 and the supporting plate 9 are rotatably connected through a bearing, so that the friction force between the rotating rod 8 and the supporting plate 9 is reduced when the rotating rod 8 rotates, the supporting plate 9 is welded with the placing frame 4, a third bevel gear 10 is welded on the other side of the rotating rod 8, a fourth bevel gear 11 is meshed and connected with the top of the other side of the third bevel gear 10, a first driving gear 12 is welded on the top of the fourth bevel gear 11, a first driven gear 13 is meshed and connected with one side of the first driving gear 12, a ring gear 14 is meshed and connected with the outer side of the first driven gear 13, a rotating disc 15 is welded on the top of the ring gear 14, the rotating disc 15 is rotatably connected with the placing frame 4, an electronic screen 16 is installed on the top, preventing the bottom plate 1 from sliding;

the top of the bottom plate 1 and two sides of the four fixed columns 2 are welded with fixed frames 17, a second motor 18 is fixed inside the fixed frames 17, a second driving gear 19 is fixed at the output end of the second motor 18, one side of the second driving gear 19 is engaged and connected with a second driven gear 20, a threaded rod 21 is fixed inside the second driven gear 20, and the threaded rod 21 is rotatably connected with the fixed frame 17 through a bearing, the top of the fixed frame 17 and both sides of the threaded rod 21 are welded with limit rods 22, the top of the limiting rod 22 is welded with a top plate which is rotationally connected with the threaded rod 21, the top plate is made of high-carbon steel, the moving plate 23 is prevented from moving to be separated from the limiting rod 22, the moving plate 23 is arranged on the outer sides of the threaded rod 21 and the limiting rod 22, the threaded rod 21 is in threaded connection with the moving plate 23, and the limiting rod 22 is connected with the moving plate 23 in a sliding manner, and the moving plate 23 is connected with the placing frame 4 in a welding manner.

One specific application of this embodiment is: when a user uses the device, the device is connected with an external power supply, the device is powered on, the user performs demonstration through the electronic screen 16, when the electronic screen 16 needs to be rotated, the first motor 5 is started, the output end of the first motor 5 drives the first bevel gear 6 to rotate, the first bevel gear 6 can drive the second bevel gear 7, the rotating rod 8 and the third bevel gear 10 to rotate through the meshing connection between the first bevel gear 6 and the second bevel gear 7, the third bevel gear 10 can drive the fourth bevel gear 11 and the first driving gear 12 to rotate through the meshing connection between the third bevel gear 10 and the fourth bevel gear 11, the first driving gear 12 drives the first driven gear 13 to rotate, the first driven gear 13 is meshed with the annular gear 14, and the first driven gear 13 can drive the annular gear 14 to rotate, therefore, the ring gear 14 can drive the rotating disc 15 to rotate, and the electronic screen 16 is driven to rotate through the rotating disc 15, so that the device can more conveniently rotate and adjust the angle of the electronic screen 16, and further more conveniently display and demonstrate contents in multiple angles;

when the height of the electronic screen 16 needs to be adjusted, the second motor 18 is started, so that the output end of the second motor 18 drives the second driving gear 19 to rotate, and further, through the meshing connection between the second driving gear 19 and the second driven gear 20, the second driving gear 19 can drive the second driven gear 20 to rotate, so that the second driven gear 20 can drive the threaded rod 21 to rotate, then, through the threaded connection between the threaded rod 21 and the moving plate 23, the threaded rod 21 can transmit the rotating force to the moving plate 23, and through the limitation of the moving plate 23 by the limiting rod 22, the moving plate 23 can convert the rotating force into the moving force, so that the moving plate 23 can move up and down along the limiting rod 22, so that the moving plate 23 can drive the placing frame 4 and the electronic screen 16 to move up and down, thereby facilitating the observation of people, greatly increasing the practicability of the device.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An electronics screen for economics demonstration, includes bottom plate (1), its characterized in that: the middle of the top of the bottom plate (1) is welded with four fixing columns (2), the four fixing columns (2) are connected with sliding columns (3) in a sliding mode, springs (24) are arranged in the four fixing columns (2) and located at the bottoms of the sliding columns (3), the top of each sliding column (3) is welded with a placing frame (4), a first motor (5) is fixed inside each placing frame (4), a first bevel gear (6) is fixed at the output end of each first motor (5), one side of the top of each first bevel gear (6) is connected with a second bevel gear (7) in a meshing mode, the other side of each second bevel gear (7) is welded with a rotating rod (8), the outer side of each rotating rod (8) is rotatably connected with a supporting plate (9), the supporting plate (9) is connected with the placing frame (4) in a welding mode, and the other side of each rotating rod (8) is welded with, the top meshing of third bevel gear (10) opposite side is connected with fourth bevel gear (11), the top welding of fourth bevel gear (11) has first driving gear (12), one side meshing of first driving gear (12) is connected with first driven gear (13), the outside meshing of first driven gear (13) is connected with ring gear (14), the top welding of ring gear (14) has rolling disc (15), just rolling disc (15) with place frame (4) and rotate and be connected, electronic screen (16) are installed to the top of rolling disc (15).

2. The electronic screen for the economics demonstration of claim 1, wherein the bottom of the base plate (1) is bonded with a non-slip mat, and the non-slip mat is made of rubber.

3. An electronic screen for economic demonstration according to claim 1, wherein the rotating rod (8) is rotatably connected with the supporting plate (9) through a bearing.

4. An electronic screen for economic demonstration according to claim 1, wherein the fixed column (2) and the sliding column (3) are in clearance fit.

5. The electronic screen for the economics demonstration of claim 1, wherein fixed frames (17) are welded on the top of the bottom plate (1) and located on two sides of four fixed columns (2), a second motor (18) is fixed inside the fixed frames (17), a second driving gear (19) is fixed on the output end of the second motor (18), a second driven gear (20) is meshed and connected to one side of the second driving gear (19), a threaded rod (21) is fixed inside the second driven gear (20), the threaded rod (21) is rotatably connected with the fixed frames (17) through a bearing, limit rods (22) are welded on the top of the fixed frames (17) and located on two sides of the threaded rod (21), moving plates (23) are installed on the outer sides of the threaded rod (21) and the limit rods (22), and the threaded rod (21) is in threaded connection with the moving plates (23), and the limiting rod (22) is connected with the moving plate (23) in a sliding manner, and the moving plate (23) is connected with the placing frame (4) in a welding manner.

6. The electronic screen for the economics demonstration of claim 5, wherein a top plate is welded on the top of the limiting rod (22), the top plate is rotatably connected with the threaded rod (21), and the top plate is made of high-carbon steel.