CN213458701U

CN213458701U - Combined contour topographic map demonstration model for teaching

Info

Publication number: CN213458701U
Application number: CN202022656791.7U
Authority: CN
Inventors: 叶伟亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-06-15
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a combined contour topographic map demonstration model for teaching, which comprises a base (1), wherein a plurality of irregularly-shaped mountain models (2) which are mutually sleeved are arranged on the base (1); the mountain model (2) located on the outermost side in the mountain models (2) is sleeved with the base (1), the sleeved mountain models (2) can be lifted upwards in a telescopic rod shape, two adjacent mountain models (2) are clamped with each other after being lifted, and the mountain models (2) located on the outermost side are clamped with the base (1); and an opening (3) is formed in the mountain model (2) positioned on the outer side in the two adjacent mountain models (2). The utility model discloses not only can improve the demonstration effect, still have that structural stability is good, convenient to use and production simple to operate's advantage.

Description

Combined contour topographic map demonstration model for teaching

Technical Field

The utility model relates to a contour line topographic map demonstration model, especially a teaching is with combination formula contour line topographic map demonstration model.

Background

In geography learning, teachers need to explain the knowledge of contour topographic maps for students through contour topographic map models. At present, a contour topographic map model used in teaching of schools of high, middle and primary schools in China is a fixed and unchangeable three-dimensional model, line segments in the model are complex, symbols are numerous, and the information amount is generally large; the contents demonstrated in the model are too much, and most students cannot well understand the knowledge of the contour topographic map, so that the demonstration effect is poor; some contour topographic map models form a three-dimensional contour map through stretching, but the contour topographic map models are easy to fall back accidentally after stretching, and the structural stability is poor. Therefore, the existing contour topographic map demonstration model has the problems of poor demonstration effect and poor structural stability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a teaching is with combination formula contour line topographic map demonstration model. The utility model discloses not only can improve the demonstration effect, still have the good advantage of structural stability.

The technical scheme of the utility model: a combined contour topographic map demonstration model for teaching comprises a base, wherein a plurality of irregularly-shaped mountain models which are mutually sleeved are arranged on the base; the mountain model positioned on the outermost side in the mountain models is sleeved with the base, the sleeved mountain models can be lifted upwards in a telescopic rod shape, two adjacent mountain models are clamped with each other after being lifted, and the mountain model positioned on the outermost side is clamped with the base; and an opening is formed in the mountain model positioned on the outer side in the two adjacent mountain models.

In the combined contour topographic map demonstration model for teaching, a gap is formed between every two adjacent mountain models, and a gap is also formed between the mountain model on the outermost side and the base; the outer diameter of the bottom of the mountain model positioned at the inner side in the two adjacent mountain models is larger than the inner diameter of the top of the mountain model positioned at the outer side; through the setting in clearance, combine the big or small relation cooperation of internal diameter and external diameter, can guarantee the structural stability after the massif model risees in making things convenient for the massif model to rise the operation, can also prevent to make the massif model fly out, facilitate the use because strength is too big.

In the combined contour topographic map demonstration model for teaching, the inner side wall and the outer side wall of the mountain model are both inclined planes, and the inclination angle is 2 degrees; the mountain model can be conveniently cut and processed by the inclined plane, and the production is convenient.

In the combined contour-line topographic map demonstration model for teaching, the base is connected with a plurality of basin models which are mutually sleeved, and the basin models which are mutually sleeved are in a shape of a telescopic rod and are sunken downwards relative to the base; the basin landform can be demonstrated through the basin model, so that the demonstration content is enriched, and the demonstration effect is improved.

In the combined contour topographic map demonstration model for teaching, one side of the base is connected with a hinge, and the lower part of the base is connected with a bottom plate through the hinge; when the mountain model needs to be replaced or reinstalled due to misoperation or damage, the bottom plate can be turned over to expose the lower part of the base, so that the mountain model can be conveniently reinstalled or replaced; the mountain model can be conveniently installed for the first time during production.

In the combined contour topographic map demonstration model for teaching, the base is connected with a plurality of cliff models which are sleeved with each other, and the side surface of each cliff model is superposed with the side surface of the base; the cliff landform can be demonstrated through the cliff model, so that the demonstration content is enriched, and the demonstration effect is improved.

In the combined contour topographic map demonstration model for teaching, labels are arranged on the mountain model and the cliff model; information such as mountain tops, saddle, ridge, valley and topography height can conveniently be annotated, convenient demonstration and student understand.

Compared with the prior art, the utility model improves the structure of the prior contour topographic map demonstration model, realizes the three-dimensional and plane demonstration of the contour topographic map by arranging a plurality of mutually sleeved mountain models, enables the plurality of mountain models to form the three-dimensional shape of a mountain for three-dimensional demonstration by ascending the mountain models, enables the plurality of mountain models to fall back to be flush with the top surface of the base for plane demonstration by pressing downwards, thereby improving the demonstration effect; can also be when rising the massif model through setting up the opening, the opening that makes the massif model cup jointed in the inboard can extrude the cup joint on the adjacent massif model in its outside opens, can produce certain deformation restoring force after the opening opens (can produce great deformation restoring force when chooseing for use materials such as wood, the effect is better), thereby can make the massif model in the outside can inwards press from both sides the massif model of its adjacent inboard tightly, increase frictional force, can avoid the massif model unexpected fall back under the rising state, structural stability has been improved. In addition, the utility model also can ensure the structural stability of the mountain model after rising while facilitating the rising operation of the mountain model by setting the gap and combining the size relationship of the inner diameter and the outer diameter, and can prevent the mountain model from flying out due to overlarge force, thereby being convenient for use; the cutting processing of the mountain model can be facilitated through the arrangement of the inclined surface, and the production is facilitated; the basin landform can be demonstrated through the basin model, so that the demonstration content is enriched, and the demonstration effect is improved; when the mountain model needs to be replaced or reinstalled due to misoperation or damage, the bottom plate can be turned over to expose the lower part of the base, so that the mountain model can be conveniently reinstalled or replaced; the mountain model can be conveniently installed for the first time during production; the cliff terrain can be demonstrated through the cliff model, so that the demonstration content is further enriched, and the demonstration effect is further improved; information such as mountain tops, saddle, ridge, valley and topography height can conveniently be annotated, convenient demonstration and student understand.

To sum up, the utility model discloses not only can improve the demonstration effect, still have that structural stability is good, convenient to use and production simple to operate's advantage.

Drawings

Fig. 1 is a schematic structural view of the utility model after being lifted;

FIG. 2 is a schematic diagram illustrating the structure of a planar contour topographic map;

FIG. 3 is a cross-sectional view of the mountain model after it has been raised;

FIG. 4 is a cross-sectional view of the mountain model after it has fallen back;

FIG. 5 is a side view of the cliff model after being elevated;

fig. 6 is a schematic view of the connection structure at the hinge.

The labels in the figures are: the method comprises the following steps of 1-base, 2-mountain model, 3-opening, 4-gap, 5-basin model, 6-hinge, 7-bottom plate and 8-cliff model.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. A combined contour topographic map demonstration model for teaching is formed as shown in figures 1 to 6 and comprises a base 1, wherein a plurality of irregularly-shaped mountain models 2 which are mutually sleeved are arranged on the base 1; the mountain model 2 located on the outermost side in the mountain models 2 is sleeved with the base 1, the sleeved mountain models 2 can be lifted upwards in a telescopic rod shape, after being lifted, two adjacent mountain models 2 are clamped with each other, and the mountain model 2 located on the outermost side is clamped with the base 1; and an opening 3 is formed in the mountain model 2 positioned on the outer side in the two adjacent mountain models 2.

A gap 4 is arranged between every two adjacent mountain models 2, and a gap 4 is also arranged between the mountain model 2 at the outermost side and the base 1; the outer diameter of the bottom of the mountain model 2 positioned at the inner side of the two adjacent mountain models 2 is larger than the inner diameter of the top of the mountain model 2 positioned at the outer side. The inside wall and the outside wall of mountain model 2 are the inclined plane, and inclination is 2 degrees. The base 1 is connected with a plurality of basin models 5 which are sleeved with each other, and the basin models 5 which are sleeved with each other are in a shape of a telescopic rod and are sunken downwards relative to the base 1. One side of the base 1 is connected with a hinge 6, and the lower part of the base 1 is connected with a bottom plate 7 through the hinge 6. The base 1 is connected with a plurality of cliff models 8 which are sleeved with each other, and the side face of each cliff model 8 is overlapped with the side face of the base 1. Marks are arranged on the mountain model 2 and the cliff model 8, and valleys are arranged below the saddle in the figures 1 and 2.

The working principle is as follows: when in use, the utility model is horizontally placed; in an initial state, the mountain model 2 and the cliff model 8 are both flush with the top surface of the base 1, and the basin model 5 is in a telescopic rod shape and is sunken downwards relative to the base 1, namely a planar contour topographic map can be demonstrated; the two hands respectively hold two sides of the base 1 (the mountain model 2 and the cliff model 8 cannot be touched), and then the base is quickly swung upwards and instantly erected or fallen back (namely an upward throwing motion is performed), and due to inertia, the mountain model 2 and the cliff model 8 can be instantly lifted upwards to form a telescopic rod shape, so that a three-dimensional mountain shape and a cliff shape are formed; at the moment, all mountain models 2 and cliff models 8 can conveniently move upwards by utilizing the gaps 4 in the plane state, so that the use is convenient; the bottom of the mountain model 2 sleeved on the inner side can be clamped with the mountain model 2 sleeved on the outer side by combining inclined planes with the inclination angles of the inner side wall and the outer side wall of the mountain model 2 being 2 degrees; by matching with the arrangement of the opening 3, the two adjacent mountain models 2 can form interference fit by utilizing inertia, namely, the opening 3 is enlarged to form deformation restoring force, and the extrusion force and the friction force between the two adjacent mountain models 2 are increased, so that the structural stability is improved, and the three-dimensional state can be stably maintained; the cliff model 8 has the same structure, so that a three-dimensional contour topographic map can be conveniently demonstrated; when the contour topographic map of the plane needs to be re-demonstrated, the mountain model 2 and the cliff model 8 are pressed downwards to fall down to be flush with the base 1, so that the plane demonstration and the three-dimensional demonstration can be conveniently switched.

During installation or maintenance, the base 1 can be overturned relative to the bottom plate 7 through the hinge 6, the ground of the base 1 is exposed, and the mountain model 2 and the cliff model 8 can be conveniently installed on the base 1 from the lower surface of the base 1.

Claims

1. The utility model provides a teaching is with combination formula contour line topographic map demonstration model which characterized in that: comprises a base (1), wherein a plurality of mutually sleeved mountain models (2) with irregular shapes are arranged on the base (1); the mountain model (2) located on the outermost side in the mountain models (2) is sleeved with the base (1), the sleeved mountain models (2) can be lifted upwards in a telescopic rod shape, two adjacent mountain models (2) are clamped with each other after being lifted, and the mountain models (2) located on the outermost side are clamped with the base (1); and an opening (3) is formed in the mountain model (2) positioned on the outer side in the two adjacent mountain models (2).

2. The combined contour topographic map demonstration model for teaching purpose as claimed in claim 1, wherein: a gap (4) is arranged between two adjacent mountain models (2), and a gap (4) is also arranged between the mountain model (2) at the outermost side and the base (1); the outer diameter of the bottom of the mountain model (2) positioned at the inner side in the two adjacent mountain models (2) is larger than the inner diameter of the top of the mountain model (2) positioned at the outer side.

3. The teaching demonstration model of claim 2, wherein: the inner side wall and the outer side wall of the mountain model (2) are inclined planes, and the inclination angle is 2 degrees.

4. The combined contour topographic map demonstration model for teaching purpose as claimed in claim 1, wherein: the base (1) is connected with a plurality of basin models (5) which are mutually sleeved, and the basin models (5) which are mutually sleeved are in a shape of a lifting rod and are sunken downwards relative to the base (1).

5. The combined contour topographic map demonstration model for teaching purpose as claimed in claim 1, wherein: one side of the base (1) is connected with a hinge (6), and the lower part of the base (1) is connected with a bottom plate (7) through the hinge (6).

6. A combined contour-topographic map demonstration model for teaching use as claimed in any one of claims 1 to 5, further comprising: the cliff model is characterized in that the base (1) is connected with a plurality of cliff models (8) which are sleeved with each other, and the side face of each cliff model (8) is overlapped with the side face of the base (1).

7. The teaching demonstration model of claim 6 wherein: marks are arranged on the mountain model (2) and the cliff model (8).