CN210896188U

CN210896188U - Macroscopic economics national economy circulation demonstration model

Info

Publication number: CN210896188U
Application number: CN201921610390.9U
Authority: CN
Inventors: 邱晓兰
Original assignee: Nanyang Institute of Technology
Current assignee: Nanyang Institute of Technology
Priority date: 2019-09-21
Filing date: 2019-09-21
Publication date: 2020-06-30
Anticipated expiration: 2029-09-21

Abstract

The utility model belongs to the technical field of the model demonstration technique and specifically relates to a macroscopic economy science national economy circulation demonstration model, the on-line screen storage device comprises a base, the vertical welding in base upper surface middle part has the slide pipe, vertical cartridge has the slide bar in the slide pipe, slide pipe one side has the locating pin through trompil horizontal spiro union, the welding has the stopper on the outer wall of slide bar top, the slide bar top articulates through rotary mechanism has two spandrels, the constant head tank has been seted up on the spandrel girder lateral wall, be connected with the bracing piece through positioning bolt in the constant head tank, the bracing piece bottom articulates on the slide bar lateral wall, the horizontal welding in spandrel girder top has the spandrel plate, a plurality of. This macroscopic economy national economy circulation demonstration model can change the height of slide bar thereby change the height of model show through opening the locating pin, can change the contained angle between bracing piece and the spandrel girder through opening positioning bolt to change the angle of model show.

Description

Macroscopic economics national economy circulation demonstration model

Technical Field

The utility model relates to a model demonstration technical field especially relates to a macroscopic economy science national economy circulation demonstration model.

Background

The circular economy is also called 'resource circular economy'. An economic development mode which is harmonious with the environment and is characterized by resource saving and cyclic utilization. Emphasis is placed on organizing economic activities into a "resource-product-renewable resource" feedback-type process. It features low mining, high utilization and low discharge. All materials and energy can be reasonably and durably used in the continuously-performed economic cycle to reduce the influence of economic activities on the natural environment to the minimum extent possible.

However, most of the existing economic cycle demonstration models are integrally fixed on a display platform, and visitors can observe the models from different angles only by walking to different directions by themselves, so that the economic cycle demonstration models are very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior economic cycle demonstration model is wholly fixed and has poor flexibility in the prior art, and providing a macroscopic economy national economy cycle demonstration model.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a design a macroscopic economy science national economy circulation demonstration model, the on-line screen storage device comprises a base, the vertical welding in base upper surface middle part has the slide pipe, vertical cartridge has the slide bar in the slide pipe, slide pipe one side has the locating pin through trompil horizontal spiro union, the welding has the stopper on the outer wall of slide bar top, the slide bar top articulates through rotary mechanism has two spandrels, the constant head tank has been seted up on the spandrel girder lateral wall, be connected with the bracing piece through positioning bolt in the constant head tank, the bracing piece bottom articulates on the slide bar lateral wall, spandrel girder top horizontal welding has the bearing plate, a plurality of location screws have vertically been seted up on the bearing plate, and vertical spiro union has the threaded rod in one of.

Preferably, the positioning screw holes are divided into two rows at equal intervals, and the two rows of the positioning screw holes are parallel to each other.

Preferably, the bottom surface of the base is provided with a movable wheel.

Preferably, rotary mechanism includes lower sleeve, intubate, upper sleeve and two installation ears, the vertical cover of lower sleeve is established at the slide bar top, just terminal surface and stopper upper surface offset under the lower sleeve, the vertical welding of intubate is at the lower sleeve up end, the internal diameter length of intubate is the same with lower telescopic internal diameter length, the vertical cartridge of intubate is in upper sleeve, the installation ear divide by the welding on upper sleeve and lower sleeve lateral wall, spandrel girder one end is together articulated with the installation ear.

Preferably, the length of the inner diameter of the lower sleeve is smaller than the maximum length of the limiting block.

The utility model provides a pair of macroscopic economy science national economy circulation demonstration model, beneficial effect lies in: the macroscopic economy national economy circulation demonstration model can change the height of the slide rod by opening the positioning pin so as to change the height of model display, and can change the included angle between the support rod and the bearing beam by opening the positioning bolt so as to change the angle of model display.

Drawings

Fig. 1 is the structural schematic diagram of a model for demonstrating the national economic cycle of macro-economics of the utility model.

Fig. 2 is a top view of the model for demonstrating the national economic cycle of macro-economics of the utility model.

Fig. 3 is an enlarged view of a position a of the model for demonstrating the national economic cycle of the macro-economics.

Fig. 4 is an enlarged view of the B position of the model for demonstrating the national economic cycle of the macro-economics.

Fig. 5 is a rotation mechanism enlarged view of a macroscopic economy national economy circulation demonstration model provided by the utility model.

In the figure: the device comprises a base 1, a sliding pipe 2, a positioning pin 3, a sliding rod 4, a limiting block 5, a lower sleeve 6, an insertion pipe 7, an upper sleeve 8, a bearing beam 9, a bearing plate 10, a positioning screw hole 11, a threaded rod 12, a limiting rod 13, a positioning groove 14, a supporting rod 15, a positioning bolt 16 and an installation lug 17.

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.

Example 1

Referring to fig. 1-4, a macroscopic economy science national economy circulation demonstration model comprises a base 1, a movable wheel is installed on the bottom surface of the base 1, a sliding pipe 2 is vertically welded in the middle of the upper surface of the base 1, a sliding rod 4 is vertically inserted in the sliding pipe 2, a positioning pin 3 is horizontally screwed on one side of the sliding pipe 2 through an opening, a limiting block 5 is welded on the outer wall of the top of the sliding rod 4, the top end of the sliding rod 4 is hinged with two bearing beams 9 through a rotating mechanism, positioning grooves 14 are formed in the side walls of the bearing beams 9, supporting rods 15 are connected in the positioning grooves 14 through positioning bolts 16, the bottom ends of the supporting rods 15 are hinged on the side walls of the sliding rod 4, a bearing plate 10 is horizontally welded at the top end of the bearing beams 9, a plurality of positioning screw holes 11 are vertically formed in the bearing plate 10, the positioning, the top end of the threaded rod 12 is vertically welded with a limiting rod 13. The height of the sliding rod 4 can be changed by opening the positioning pin 3, so that the height of model display can be changed, and the included angle between the supporting rod 15 and the bearing beam 9 can be changed by opening the positioning bolt 16, so that the angle of model display can be changed.

Example 2

As shown in fig. 5, the embodiment is different from embodiment 1 in that the rotating mechanism is optimized, the rotating mechanism includes a lower sleeve 6, an insertion tube 7, an upper sleeve 8 and two mounting lugs 17, the inner diameter length of the lower sleeve 6 is smaller than the maximum length of the limiting block 5, the lower sleeve 6 is vertically sleeved on the top of the sliding rod 4, the lower end surface of the lower sleeve 6 abuts against the upper surface of the limiting block 5, the insertion tube 7 is vertically welded on the upper end surface of the lower sleeve 6, the inner diameter length of the insertion tube 7 is the same as the inner diameter length of the lower sleeve 6, the insertion tube 7 is vertically inserted into the upper sleeve 8, the mounting lugs 17 are respectively welded on the outer side walls of the upper sleeve 8 and the lower sleeve 6, and one end of the bearing beam 9 is. The rotating mechanism can rotate the whole model when the model is displayed, so that visitors can observe the model from different directions conveniently.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a macroscopic economy national economy circulation demonstration model, includes base (1), its characterized in that: the middle part of the upper surface of the base (1) is vertically welded with a sliding pipe (2), a sliding rod (4) is vertically inserted in the sliding pipe (2), one side of the sliding pipe (2) is horizontally screwed with a positioning pin (3) through a hole, the outer wall of the top of the sliding rod (4) is welded with a limiting block (5), the top end of the sliding rod (4) is hinged with two bearing beams (9) through a rotating mechanism, the side wall of each bearing beam (9) is provided with a positioning groove (14), the inside of the positioning groove (14) is connected with a supporting rod (15) through a positioning bolt (16), the bottom end of the supporting rod (15) is hinged on the side wall of the sliding rod (4), the top end of each bearing beam (9) is horizontally welded with a bearing plate (10), the upper surface of each bearing plate (10) is provided with a model, the bearing plate (10) is vertically provided with a plurality of, and a limiting rod (13) is vertically welded at the top end of the threaded rod (12).

2. A macro-economics national economy circulation demonstration model according to claim 1, characterized in that said positioning screw holes (11) are divided into two rows at equal intervals, and two rows of said positioning screw holes (11) are parallel to each other.

3. A macro-economy national economy circulation demonstration model as claimed in claim 1, wherein the bottom surface of the base (1) is provided with moving wheels.

4. The macroeconomics national economy circulation demonstration model of claim 1, wherein the rotary mechanism comprises a lower sleeve (6), an insertion tube (7), an upper sleeve (8) and two mounting ears (17), the lower sleeve (6) is vertically sleeved on the top of the slide bar (4), the lower end face of the lower sleeve (6) abuts against the upper surface of the limiting block (5), the insertion tube (7) is vertically welded on the upper end face of the lower sleeve (6), the length of the inner diameter of the insertion tube (7) is the same as that of the inner diameter of the lower sleeve (6), the insertion tube (7) is vertically inserted into the upper sleeve (8), the mounting ears (17) are respectively welded on the outer side walls of the upper sleeve (8) and the lower sleeve (6), and one end of the bearing beam (9) is hinged with the mounting ears (17).

5. A macro-economy national economy circulation demonstration model as claimed in claim 4, wherein the length of the inner diameter of the lower sleeve (6) is smaller than the maximum length of the limiting block (5).