CN112102701A

CN112102701A - Dynamic demonstration device for economics model

Info

Publication number: CN112102701A
Application number: CN202011070970.0A
Authority: CN
Inventors: 马莹; 周婷婷; 綦颖
Original assignee: Yingkou Institute of Technology
Current assignee: Yingkou Institute of Technology
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2020-12-18

Abstract

The invention belongs to the technical field of teaching equipment, in particular to an economics model dynamic demonstration device, which comprises a device shell and a base, wherein the surface of the base is fixedly provided with an electric push rod through a bolt, the top end of the electric push rod is connected with a fixed block, the fixed block is of a C-shaped structure, the device shell is rotatably connected with the fixed block, two sides of the base are provided with fixed mechanisms, the joint of the device shell and the fixed block is provided with an angle adjusting mechanism, the inside of the device shell is provided with a demonstration mechanism, the inside of the device shell is also provided with a limiting mechanism, the surface of the device shell is marked with a graduated scale, the side surface of the device shell is provided with the angle adjusting mechanism, the angle adjustment of the device shell is convenient, the dynamic demonstration is convenient, the demonstration mechanism is arranged inside the device shell, and the, meanwhile, the efficiency is improved, and the fixing mechanisms are arranged on the two sides of the base, so that the demonstration device is convenient to move and fix.

Description

Dynamic demonstration device for economics model

Technical Field

The invention belongs to the technical field of teaching equipment, and particularly relates to an economics model dynamic demonstration device.

Background

The teaching process of economics can not leave an economics model, and understanding and grasping the economics model is the essence of the economics teaching link. Among these, the economic models of histograms are the most common and common, such as production models, supply and demand models, IS-LM-BP models, total demand-total supply models, and monte fleming models, among others. The bar graph, also called bar graph, is a statistical chart with the length of the rectangle as a variable. The bar graph is used to compare two or more values (different times or different conditions) with only one variable, typically utilized for smaller data set analysis. Rectangular picture transverse arrangement that does, or express with the multidimension mode, when the model change demonstration that carries out the histogram among the prior art, carry out the hand generally and draw, or carry out manual regulation by the model that a plurality of rectangular are constituteed, this kind of presentation device needs the manual work to be adjusted, not only waste time and energy, teacher's teaching efficiency has been influenced, and the demonstration is not directly perceived, student's acceptance is not high, and simultaneously, the phenomenon of reflection of light can appear when carrying out dynamic demonstration, current presentation device is inconvenient to demonstrate the angle of board and is adjusted fixedly, influence the use.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides an economics model dynamic demonstration device, which has the characteristics of improving demonstration efficiency, facilitating angle adjustment and fixation, being simple in structure, saving manpower and being visual in display.

In order to achieve the purpose, the invention provides the following technical scheme: economics model developments presentation device, including device shell and base, there is electric putter on the surface of base through bolt fixed mounting, electric putter's top is connected with the fixed block, the fixed block is C type structure, the device shell rotates in the fixed block to be connected, fixed establishment is installed to the both sides of base, the device shell is provided with angle adjusting mechanism with the junction of fixed block, the internally mounted of device shell has display mechanism, stop gear is still installed to the inside of device shell, the surface marking of device shell has the scale.

As a preferable technical scheme of the economics model dynamic demonstration device, the demonstration mechanism comprises a screw rod, a silk ribbon, a knob, a wire winding bundle and a sliding block, wherein the screw rod is rotatably connected inside a device shell, the sliding block is sleeved on the screw rod, one side of the sliding block is connected with the silk ribbon, one side of the silk ribbon is wound and connected on the wire winding bundle, and the wire winding bundle is rotatably installed inside the device shell.

As a preferred technical scheme of the dynamic demonstration device for the economic model, the angle adjusting mechanism comprises an adjusting block, fixing holes, a magnet, a pull rod, a fixing plate, a jacking spring and a limiting plate, the adjusting block is fixedly installed on one side of a device shell, the adjusting block slides inside the fixing block, the adjusting block is provided with a plurality of fixing holes, the inside of the fixing block is movably connected with the pull rod, the inside of the fixing block is connected with the magnet, the magnet is magnetically adsorbed to the bottom end of the pull rod, the fixing plate, the jacking spring and the limiting plate are all sleeved on the pull rod, two ends of the jacking spring are connected with the fixing plate and the limiting plate, and the fixing plate is fixedly connected with the device shell.

As the preferable technical scheme of the dynamic demonstration device for the economic model, the fixing mechanism comprises a rotating block, a threaded shaft and a fixed sucker, the rotating block is connected with the base in a screwing mode, the top end of the threaded shaft is connected with the rotating block, and the bottom end of the threaded shaft is connected with the fixed sucker.

As the preferable technical scheme of the dynamic demonstration device of the economic model, the limiting mechanism comprises a limiting block and a sliding rod, the limiting block is arranged on the back of the sliding rod, the sliding rod is arranged in the inner wall of the device shell, and the limiting block is sleeved on the sliding rod.

As a preferable technical solution of the economics model dynamic demonstration apparatus of the present invention, a clockwork spring is installed inside the wire-rewinding bundle.

As the preferable technical scheme of the dynamic demonstration device of the economic model, the adjusting block is of a semi-arc structure.

Compared with the prior art, the invention has the beneficial effects that: at the side-mounting angle adjustment mechanism of device shell, conveniently carry out angle modulation to the device shell, conveniently carry out the dynamic demonstration, at the internally mounted show mechanism of device shell, more audio-visually carry out the dynamic demonstration, raise the efficiency simultaneously, at the both sides installation fixed establishment of base, make things convenient for the removal and the fixed of presentation device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of the apparatus according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 4 is a schematic view of the internal structure of the adjusting block of the present invention;

FIG. 5 is a schematic side view of the device of the present invention;

in the figure: 1. a device housing; 2. a base; 3. an electric push rod; 4. a screw; 5. a fixed block; 6. a ribbon; 7. a knob; 8. rotating the block; 9. a threaded shaft; 10. fixing the sucker; 11. an adjusting block; 12. wire winding and bundling; 13. a slider; 14. a limiting block; 15. a slide bar; 16. a fixing hole; 17. a magnet; 18. a pull rod; 19. a fixing plate; 20. the spring is tightly propped; 21. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: economics model developments presentation device, including device shell 1 and base 2, there is electric putter 3 on the surface of base 2 through bolt fixed mounting, electric putter 3's top is connected with fixed block 5, fixed block 5 is C type structure, device shell 1 rotates in fixed block 5 to be connected, fixed establishment is installed to base 2's both sides, device shell 1 is provided with angle adjusting mechanism with the junction of fixed block 5, the internally mounted of device shell 1 has display mechanism, stop gear is still installed to the inside of device shell 1, the surface marking of device shell 1 has the scale.

In this embodiment, at the side-mounting angle adjustment mechanism of device shell 1, conveniently carry out angle modulation to device shell 1, conveniently carry out the dynamic demonstration, at the internally mounted show mechanism of device shell 1, more audio-visually carry out the dynamic demonstration, raise the efficiency simultaneously, at the both sides installation fixed establishment of base 2, make things convenient for the removal and the fixing of presentation device.

Specifically, show mechanism includes screw rod 4, silk ribbon 6, knob 7, receipts line bundle 12 and sliding block 13, and screw rod 4 rotates to be connected in the inside of device shell 1, and sliding block 13 cup joints on screw rod 4, and one side of sliding block 13 is connected with silk ribbon 6, and one side winding of silk ribbon 6 is connected on receiving line bundle 12, receives line bundle 12 and rotates and install in the inside of device shell 1.

In this embodiment, rotate knob 7 and drive screw rod 4 and rotate, make sliding block 13 slide from top to bottom, sliding block 13 drives silk ribbon 6 upward movement, and the increase and the reduction of simulation histogram make the demonstration more lively.

Specifically, angle adjustment mechanism includes regulating block 11, fixed orifices 16, magnet 17, pull rod 18, fixed plate 19, top tension spring 20 and limiting

plate

21, 11 fixed mounting in one side of device shell 1 of regulating block, regulating block 11 slides in the inside of fixed block 5, a plurality of fixed orifices 16 has been seted up on the regulating block 11, the inside swing joint of fixed block 5 has pull rod 18, the internal connection of fixed block 5 has magnet 17, magnet 17 and pull rod 18's bottom magnetic adsorption, fixed plate 19, top tension spring 20 and limiting plate 21 all cup joint on pull rod 18, top tension spring 20's both ends link to each other with fixed plate 19 and limiting plate 21, fixed plate 19 and device shell 1 fixed connection.

In this embodiment, when the device housing 1 needs to adjust the angle, the pull rod 18 is pulled to pull the pull rod 18 out of the fixing hole 16, at this time, under the action of the limiting plate 21 and the fixing plate 19, the tightening spring 20 contracts, the device housing 1 is rotated, at this time, the adjusting block 11 rotates, after the adjusting angle is adjusted to a proper angle, the pull rod 18 is loosened, at this time, the tightening spring 20 expands, the pull rod 18 is reset, the magnet 17 is magnetically attracted, the position of the adjusting block 11 is fixed, and the angle of the device housing 1 is fixed.

Specifically, fixed establishment includes turning block 8, threaded shaft 9 and fixed suction cup 10, and turning block 8 closes with base 2 soon to be connected, and the top of threaded shaft 9 links to each other with turning block 8, and the bottom of threaded shaft 9 links to each other with fixed suction cup 10.

In this embodiment, the rotating block 8 is rotated to rotate the threaded shaft 9, so that the fixed suction cup 10 moves downward and is adsorbed to the bottom surface, and the demonstration apparatus is fixed.

Specifically, stop gear includes stopper 14 and slide bar 15, and stopper 14 installs at the back of sliding block 13, and slide bar 15 installs in the inner wall of device shell 1, and stopper 14 cup joints on slide bar 15.

In this embodiment, when the sliding block 13 moves up and down, the limiting block 14 slides up and down along the sliding rod 15 to limit the position of the sliding block 13, so as to prevent the sliding block 13 from deflecting.

Specifically, a clockwork spring is installed inside the wire take-up bundle 12.

In this embodiment, the clockwork spring is installed inside the wire take-up bundle 12, so that the wire take-up bundle 12 can take up the silk ribbon 6 conveniently.

Specifically, the adjusting block 11 is a semi-arc structure.

In this embodiment, the adjusting block 11 is a semi-arc structure, which facilitates adjustment of the angle of the device housing 1.

The working principle and the using process of the invention are as follows: after the device is installed, the device shell 1 is moved to a designated position, the rotating block 8 is rotated to enable the threaded shaft 9 to rotate, the fixed sucker 10 is enabled to move downwards and be adsorbed with the bottom surface, the demonstration device is enabled to be fixed, the knob 7 is rotated to drive the screw rod 4 to rotate, the sliding block 13 is enabled to slide up and down, the sliding block 13 drives the silk ribbon 6 to move upwards, the growth and the reduction of a histogram are simulated, the demonstration is enabled to be more vivid, when the angle of the device shell 1 needs to be adjusted, the pull rod 18 is pulled to draw the pull rod 18 out of the fixed hole 16, at the moment, under the action of the limiting plate 21 and the fixed plate 19, the puller spring 20 contracts, the device shell 1 is rotated, at the moment, the adjusting block 11 rotates, after the proper angle is adjusted, the pull rod 18 is loosened, at the moment, the puller spring 20 expands, the pull rod 18 resets, the magnet 17 is magnetically adsorbed, the position of the adjusting block 11 is, when the sliding block 13 moves up and down, the limit block 14 slides up and down along the sliding rod 15 to limit the position of the sliding block 13 and prevent the sliding block 13 from deflecting.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Economics model dynamic presentation device, including device shell (1) and base (2), its characterized in that: the surface of base (2) has electric putter (3) through bolt fixed mounting, the top of electric putter (3) is connected with fixed block (5), fixed block (5) are C type structure, device shell (1) rotates in fixed block (5) to be connected, fixed establishment is installed to the both sides of base (2), device shell (1) is provided with angle adjusting mechanism with the junction of fixed block (5), the internally mounted of device shell (1) has display mechanism, stop gear is still installed to the inside of device shell (1), the surface marking of device shell (1) has the scale.

2. The economics model dynamic presentation device of claim 1 wherein: the display mechanism comprises a screw rod (4), a silk ribbon (6), a knob (7), a take-up bundle (12) and a sliding block (13), wherein the screw rod (4) is rotatably connected inside the device shell (1), the sliding block (13) is sleeved on the screw rod (4), the silk ribbon (6) is connected to one side of the sliding block (13), one side of the silk ribbon (6) is wound and connected on the take-up bundle (12), and the take-up bundle (12) is rotatably installed inside the device shell (1).

3. The economics model dynamic presentation device of claim 1 wherein: the angle adjusting mechanism comprises an adjusting block (11), a fixing hole (16), a magnet (17), a pull rod (18), a fixing plate (19), a jacking spring (20) and a limiting plate (21), the adjusting block (11) is fixedly arranged on one side of the device shell (1), the adjusting block (11) slides in the fixing block (5), a plurality of fixing holes (16) are arranged on the adjusting block (11), a pull rod (18) is movably connected inside the fixing block (5), the inside of the fixed block (5) is connected with a magnet (17), the magnet (17) is magnetically adsorbed with the bottom end of the pull rod (18), the fixed plate (19), the jacking spring (20) and the limiting plate (21) are all sleeved on the pull rod (18), the two ends of the jacking spring (20) are connected with the fixing plate (19) and the limiting plate (21), and the fixing plate (19) is fixedly connected with the device shell (1).

4. The economics model dynamic presentation device of claim 1 wherein: the fixing mechanism comprises a rotating block (8), a threaded shaft (9) and a fixed sucker (10), the rotating block (8) is connected with the base (2) in a screwing mode, the top end of the threaded shaft (9) is connected with the rotating block (8), and the bottom end of the threaded shaft (9) is connected with the fixed sucker (10).

5. The economics model dynamic presentation device of claim 2 wherein: the limiting mechanism comprises a limiting block (14) and a sliding rod (15), the limiting block (14) is installed on the back face of the sliding block (13), the sliding rod (15) is installed in the inner wall of the device shell (1), and the limiting block (14) is sleeved on the sliding rod (15).

6. The economics model dynamic presentation device of claim 2 wherein: a clockwork spring is arranged in the wire collecting bundle (12).

7. The economics model dynamic presentation device of claim 3 wherein: the adjusting block (11) is of a semi-arc structure.