Bat model assisting in crystal symmetry element teaching

Abstract

The utility model discloses a bat model for assisting in crystal symmetry element teaching, which comprises a connecting rod, a cubic symmetry axis and a spherical pin, and is characterized in that the outer end of the connecting rod is connected with a triangular column cross-linking end, and the joint of the connecting rod and the triangular column cross-linking end is provided with a convex end; a tertiary symmetry axis is installed on the inner side of the connecting rod, elastic C-shaped clamping grooves are formed in the outer side of the tertiary symmetry axis and the outer side of the connecting rod in a clamped mode, and a four-claw-shaped spherical groove is fixedly formed in the middle of the back face of each elastic C-shaped clamping groove. The utility model belongs to the technical field of bat models, and aims to solve the problem that in the prior art, the structure is relatively simple, so that a cubic symmetry axis in a three-square-column single-shaped bat model is difficult to support, and visual display of the suspended cubic symmetry axis cannot be realized. The three-square-column single-shaped bat model has the technical effects that the problems that the structure is relatively simple and the three-square-column single-shaped bat model is difficult to support the three-square-column single-shaped bat model are solved, and visual display of the suspended three-square-column single-shaped bat model is realized.

Description

Technical Field

[0001] This application relates to the field of baseball bat model technology, specifically to a baseball bat model that assists in teaching crystal symmetry elements. Background Technology

[0002] As a fundamental representation of crystal structure, crystal forms carry rich microscopic information and unique physicochemical properties, revealing the regularity and orderliness of crystal spatial arrangement. Currently, the identification of symmetry and symmetry elements in crystal forms is one of the most important and challenging aspects for students learning crystallography. Therefore, in teaching crystal forms, teachers need to use ball-and-stick models to explain the relevant course content.

[0003] However, the current baseball bat model has a relatively simple structure, which makes it difficult to support the three-dimensional axis of symmetry in the three-dimensional cylindrical baseball bat model. As a result, it is impossible to intuitively demonstrate the suspended three-dimensional axis of symmetry, which can easily affect the teaching effect. Utility Model Content

[0004] Therefore, this application provides a ball-and-stick model to assist in teaching crystal symmetry elements, in order to solve the problem that the existing structure is relatively simple, which makes it difficult to support the cubic symmetry axis in the trigonal prism simple ball-and-stick model, thus making it impossible to intuitively display the suspended cubic symmetry axis.

[0005] To achieve the above objectives, this application provides the following technical solution:

[0006] A ball-and-stick model for teaching crystal symmetry elements includes a connecting rod, a cubic symmetry axis, and a spherical pin. The outer end of the connecting rod is connected to a trigonal prism cross-linking end, and a protruding end is provided at the connection between the connecting rod and the trigonal prism cross-linking end.

[0007] The inner side of the connecting rod is equipped with a three-dimensional axis of symmetry, and both the three-dimensional axis of symmetry and the outer side of the connecting rod are fitted with elastic C-shaped grooves. A four-claw spherical groove is fixedly installed in the middle of the back of the elastic C-shaped groove.

[0008] The interior of the four-claw-shaped spherical groove is provided with a spherical pin, and a retractable support component is installed on the outer side of the end of the spherical pin away from the four-claw-shaped spherical groove.

[0009] Furthermore, the outer diameter of the connecting rod is equal to the outer diameter of the cubic axis of symmetry, and the length of the cubic axis of symmetry is greater than the length of the connecting rod.

[0010] Furthermore, the included angle between the two protrusions is 60°, and an additional protrusion is provided in the direction perpendicular to the two protrusions.

[0011] Furthermore, the retractable support assembly includes two end support rods and a middle support rod. The two end support rods are installed on the outer side of the end of the spherical pin away from the four-claw spherical groove, and the middle support rod is slidably installed inside the two end support rods.

[0012] Furthermore, the two end support rods are arranged symmetrically about the vertical central axis of the middle support rod, and the outer diameter of the two end support rods is equal to the outer diameter of the connecting rod.

[0013] Furthermore, the length of the two end support rods is 0.75cm, and the length of the middle support rod is 1cm.

[0014] Furthermore, the shortest contracted length of the end support rods and the middle support rod is 1.5cm, and the maximum extended length is 2cm.

[0015] Compared with the prior art, this application has at least the following beneficial effects:

[0016] 1. By rotating the spherical end of the spherical pin, the angle between the three-dimensional symmetry axis and the telescopic support component and the connecting rod and the telescopic support component can be adjusted, thus completing the intuitive display of the three-dimensional symmetry axis. This solves the problem of the difficulty in supporting the three-dimensional symmetry axis in the three-dimensional prism single-shaped ball-and-stick model and realizes the intuitive display of the suspended three-dimensional symmetry axis.

[0017] 2. The flexible C-shaped slot is used to attach the equilateral triangle connecting rod of the three-sided column. Then, the solid round bar end of the spherical pin is inserted into one end of the two support rods. Then, the solid ball end of the spherical pin is inserted into the four-claw spherical groove. Repeat this process to complete the connection between the upper and lower telescopic support components and the connecting rod, which improves the installation effect of the telescopic support components and the connecting rod.

[0018] 3. By attaching the elastic C-shaped slot to the three-dimensional axis of symmetry, inserting the solid round bar end of the spherical pin into one end of the two support rods, and then attaching the solid ball end of the spherical pin into the four-claw spherical groove, repeating this process, the connection between the upper and lower retractable support components and the three-dimensional axis of symmetry is completed, thus improving the installation effect of the retractable support components and the three-dimensional axis of symmetry. Attached Figure Description

[0019] To more intuitively illustrate the prior art and this application, exemplary drawings are provided below. It should be understood that the specific shapes and structures shown in the drawings should not generally be regarded as limiting conditions for implementing this application; for example, based on the technical concept disclosed in this application and the exemplary drawings, those skilled in the art are capable of making conventional adjustments or further optimizations to the addition / reduction / classification of certain units, their specific shapes, positional relationships, connection methods, size ratios, etc.

[0020] Figure 1A front view structural schematic diagram of a ball-and-stick model for assisting in teaching crystal symmetry elements, provided as an embodiment of this application;

[0021] Figure 2 A top cross-sectional view of a ball-and-stick model for teaching crystal symmetry elements, provided as an embodiment of this application;

[0022] Figure 3 A ball-and-stick model for teaching crystal symmetry elements is provided as an embodiment of this application. Figure 2 Schematic diagram of the frontal cross-sectional structure at point AA;

[0023] Figure 4 A ball-and-stick model for teaching crystal symmetry elements is provided as an embodiment of this application. Figure 2 Enlarged structural diagram at point B.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Connecting rod; 2. Three-dimensional column cross-linking end; 3. Protruding end; 4. Three-dimensional symmetry axis; 5. Elastic C-shaped groove; 6. Four-claw spherical groove; 7. Spherical pin; 8. End support rods; 9. Middle support rod. Detailed Implementation

[0026] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] like Figures 1 to 4 As shown, a ball-and-stick model for teaching crystal symmetry elements in the first aspect embodiment of this application includes: a connecting rod 1, a three-dimensional symmetry axis 4 and a spherical pin 7. The outer end of the connecting rod 1 is connected to a trigonal column cross-linking end 2, and a protruding end 3 is provided at the connection between the connecting rod 1 and the trigonal column cross-linking end 2.

[0028] The outer diameter of connecting rod 1 is equal to the outer diameter of the cubic axis of symmetry 4, and the length of the cubic axis of symmetry 4 is greater than the length of connecting rod 1. The side length of the equilateral triangle assembled by connecting rod 1 is 4cm, and the height of the three-sided prism is 6cm.

[0029] Meanwhile, the included angle between the two protruding ends 3 is 60°, and there is another protruding end 3 in the direction perpendicular to these two protruding ends 3. The connecting rod 1 and the protruding end 3 are arranged in a one-to-one correspondence, which makes it easy to install multiple sets of connecting rods 1 on the outside of the three-column cross-linking end 2 through the protruding end 3.

[0030] A three-dimensional axis of symmetry 4 is installed on the inner side of the connecting rod 1, and both the three-dimensional axis of symmetry 4 and the outer side of the connecting rod 1 are fitted with elastic C-shaped grooves 5. A four-claw spherical groove 6 is fixedly installed in the middle of the back of the elastic C-shaped groove 5.

[0031] The elastic C-shaped slot 5 is respectively engaged with the outer side of the connecting rod 1 and the three-dimensional axis of symmetry 4, which facilitates the subsequent installation of the telescopic support component.

[0032] A spherical pin 7 is provided inside the four-claw-shaped spherical groove 6, and a telescopic support assembly is installed on the outer side of the end of the spherical pin 7 away from the four-claw-shaped spherical groove 6. The telescopic support assembly includes two end support rods 8 and a middle support rod 9. The two end support rods 8 are installed on the outer side of the end of the spherical pin 7 away from the four-claw-shaped spherical groove 6, and the middle support rod 9 is slidably installed inside the two end support rods 8.

[0033] The two end support rods 8 are symmetrically arranged about the vertical centerline of the middle support rod 9, and the outer diameter of the two end support rods 8 is equal to the outer diameter of the connecting rod 1. The length of the two end support rods 8 is 0.75cm, and the length of the middle support rod 9 is 1cm.

[0034] The shortest contracted length of the end support rods 8 and the middle support rod 9 is 1.5cm, and the maximum extended length is 2cm.

[0035] By rotating the spherical end of the spherical pin 7, a 360° rotation can be achieved, which facilitates the adjustment of the angle between the three-dimensional symmetry axis 4-telescopic support assembly and the connecting rod 1-telescopic support assembly.

[0036] Working principle

[0037] Insert two 4cm three-dimensional connecting rods 1 into the two protruding ends 3 of the three-dimensional cross-linking end 2 at a 60° angle. Then insert a 6cm three-dimensional connecting rod 1 into the other protruding end 3 in the vertical direction. In this way, the three-dimensional baseball bat model is assembled. Then insert the two ends of the solid 1.5mm diameter central support rod 9 into the two end support rods 8 with an outer diameter of 3mm and an inner diameter of 1.5mm.

[0038] The elastic C-shaped slot 5 is snapped onto the equilateral triangular connecting rod 1, allowing it to slide. The solid round end of the spherical pin 7 is inserted into one end of the two support rods 8, and then the solid ball end of the spherical pin 7 is snapped into the four-claw spherical groove 6. This process is repeated to complete the connection between the upper and lower retractable support components and the connecting rod 1.

[0039] The elastic C-shaped slot 5 is snapped into the three-dimensional axis of symmetry 4, allowing it to slide. The solid round bar end of the spherical pin 7 is inserted into one end of the two end support rods 8, and then the solid ball end of the spherical pin 7 is snapped into the four-claw spherical groove 6. This process is repeated to complete the connection between the upper and lower retractable support components and the three-dimensional axis of symmetry 4.

[0040] By rotating the spherical end of the spherical pin 7, the angle between the cubic symmetry axis 4 and the telescopic support assembly, and between the connecting rod 1 and the telescopic support assembly, can be adjusted, thus visually demonstrating the cubic symmetry axis 4. Furthermore, an adjustable multi-bar connector was designed to solve the problem of supporting the cubic symmetry axis 4 in the triangular prism single-shaped ball-and-stick model, achieving a visually intuitive display of the suspended cubic symmetry axis 4.

[0041] The technical features of the above embodiments can be combined in any way (as long as there is no contradiction in the combination of these technical features). For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described; these embodiments not explicitly written should also be considered to be within the scope of this specification.

Claims

1. A ball-and-stick model for assisting teaching of a crystal symmetry element, comprising a connecting rod (1), a three-fold symmetry axis (4) and a spherical pin (7), characterized in that The outer end of the connecting rod (1) is connected to a three-dimensional column cross-linking end (2), and a protruding end (3) is provided at the connection between the connecting rod (1) and the three-dimensional column cross-linking end (2); The inner side of the connecting rod (1) is equipped with a three-dimensional axis of symmetry (4), and the outer side of the three-dimensional axis of symmetry (4) and the connecting rod (1) are both fitted with elastic C-shaped grooves (5). A four-claw spherical groove (6) is fixedly installed in the middle of the back side of the elastic C-shaped groove (5). The four-claw-shaped spherical groove (6) is provided with a spherical pin (7) inside, and a retractable support component is installed on the outer side of the end of the spherical pin (7) away from the four-claw-shaped spherical groove (6).

2. A bat model to assist teaching of crystal symmetry elements as claimed in claim 1, wherein, The outer diameter of the connecting rod (1) is equal to the outer diameter of the cubic axis of symmetry (4), and the length of the cubic axis of symmetry (4) is greater than the length of the connecting rod (1).

3. A bat model to assist in teaching crystallographic symmetry elements as claimed in claim 1, wherein, The included angle between the two protrusions (3) is 60°, and another protrusion (3) is provided in the direction perpendicular to the two protrusions (3).

4. A bat model to assist in teaching crystallographic symmetry elements as claimed in claim 1, wherein, The retractable support assembly includes two end support rods (8) and a middle support rod (9). The two end support rods (8) are installed on the outer side of the end of the spherical pin (7) away from the four-claw spherical groove (6), and the middle support rod (9) is slidably installed inside the two end support rods (8).

5. The ball-and-stick model for teaching crystal symmetry elements according to claim 4, characterized in that, The two end support rods (8) are arranged symmetrically about the vertical centerline of the middle support rod (9), and the outer diameter of the two end support rods (8) is equal to the outer diameter of the connecting rod (1).

6. A bat model to assist in teaching crystallographic symmetry elements as claimed in claim 4, wherein The length of the two end support rods (8) is 0.75cm, and the length of the middle support rod (9) is 1cm.

7. A bat model to assist teaching of crystal symmetry elements as claimed in claim 4, wherein, The shortest contraction length of the two end support rods (8) and the middle support rod (9) is 1.5cm, and the maximum extension length is 2cm.

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