Teaching aid convenient for displaying five atomic structure models

Abstract

The utility model discloses a teaching aid convenient for displaying five atomic structure models, which comprises a base and a vertical shaft connected with the base, and is characterized in that a spherical outer shell representing atoms is sleeved on the vertical shaft, a spherical inner shell representing atoms is arranged in the spherical outer shell, a plurality of particles representing electrons are embedded on the spherical inner shell, and the particles are arranged on the vertical shaft. Three circular orbital lines capable of rotating around a vertical shaft are arranged in the spherical inner shell, first small balls representing electrons are strung on the orbital lines, second small balls representing atomic nucleuses are further arranged in the middle of the vertical shaft, and a plurality of neutron balls and proton balls are arranged in the second small balls. According to the utility model, students can visually and vividly see the model, teaching difficulties are solved, atomic structure models are uncovered layer by layer, the desire of the students to continuously explore is stimulated, one teaching aid can display a plurality of models, and the demonstration is simple, convenient and practical.

Description

TECHNICAL FIELD

[0001] The utility model relates to a teaching aid, especially a teaching aid convenient for displaying five atomic structure models. BACKGROUND

[0002] The eighth grade of Zhejiang edition lower second chapter 3rd section "atomic structure model" in the chapter, the content is according to the time development history involves many scientists proposed atomic structure model, but all the model is the picture in the textbook, there is no physical model for students to understand, it is some abstract concept.

[0003] The present teaching aid is directly displayed atomic structure, and it is not conducive for students to understand the research process of atomic structure. The patent document with the application number 202320069861.X and the name of a kind of atomic structure transparent model teaching aid discloses a kind of teaching aid, although it is convenient to disassemble, but also only displays the structure model of existing atomic theory, and disassembly is not particularly convenient.

[0004] In view of this, the applicant makes the corresponding physical model according to the historical order of the development of atomic structure model, and integrates the five models involved in the textbook, and finally forms a "five-in-one" atomic structure model. UTILITY MODEL CONTENT

[0005] (I) technical problem solved

[0006] In view of the deficiencies in the prior art, the utility model provides a teaching aid convenient for displaying five atomic structure models.

[0007] (II) technical scheme

[0008] To achieve the above effect purpose, the utility model provides the following technical scheme:

[0009] A kind of teaching aid convenient for displaying five atomic structure models, including base and with the base connection vertical shaft, the vertical shaft is sleeved with the spherical shell representing atom, the spherical shell is equipped with the spherical inner shell representing atom in, the spherical inner shell is embedded with a plurality of electron particles, the spherical inner shell is equipped with three circular orbit lines that can rotate around vertical shaft, the first small ball representing electron is strung on the orbit line, the vertical shaft middle part is further equipped with the second small ball representing atomic nucleus, the second small ball is equipped with a plurality of neutron balls and proton balls.

[0010] Further, the vertical shaft is sleeved with rotating member on the upper and lower ends, and the rotating member is provided with a mounting head that can be inserted into the circular orbit line.

[0011] Further, the spherical shell is formed by clamping two half-spherical shells.

[0012] Further, the spherical inner shell is formed by clamping two half spherical foams.

[0013] Further, the second sphere is formed by clamping two half spherical shells.

[0014] Further, the upper part of the vertical shaft is provided with two curved parts for fixing the spherical outer shell and the spherical inner shell.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. The spherical outer shell shows the Dalton solid sphere atomic structure model, the spherical outer shell is removed, the Thomson watermelon atomic structure model is shown, the spherical inner shell is removed, the Rutherford nuclear atomic structure model is shown, the orbit line is rotated to be located in the same plane, the Bohr atomic structure model is shown, the second sphere is opened, the atomic nucleus separable model is shown, students can visually see, the teaching difficulty is solved, the atomic structure model is gradually revealed, and the desire of students for continuous exploration is stimulated.

[0018] 2. One teaching aid shows multiple models, and the display is simple, convenient and practical.

[0019] 3. Easy to disassemble and assemble, can be sold as a finished product, or materials can be provided for project-based learning, and students can complete it independently, and it is very interesting. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structure schematic view of the utility model for showing the Dalton solid sphere atomic structure model;

[0021] Figure 2 It is a structure schematic view of the utility model for showing the Thomson watermelon atomic structure model;

[0022] Figure 3 It is a structure schematic view of the utility model for showing the Rutherford nuclear atomic structure model;

[0023] Figure 4 It is a structure schematic view of the utility model for showing the Bohr atomic structure model;

[0024] Figure 5 It is a structure schematic view of the utility model for showing the atomic nucleus separable model;

[0025] In the drawing: 1, base; 2, vertical shaft; 3, spherical outer shell; 4, spherical inner shell; 5, orbit line; 6, first small ball; 7, second small ball; 8, neutron ball; 9, proton ball; 10, curved part, 11, rotating part; 12, mounting head; 13, microparticle. DETAILED DESCRIPTION

[0026] The utility model will be described in further detail below in conjunction with the drawings, wherein the same parts are denoted by the same reference numerals, and it should be noted that the words "front", "back", "left", "right", "upper" and "lower", "bottom surface" and "top surface" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular part.

[0027] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-5 A teaching aid for conveniently displaying five atomic structure models comprises a base 1 and a vertical shaft 2 connected with the base, a spherical outer shell 3 representing an atom is sleeved on the vertical shaft 2, a spherical inner shell 4 representing an atom is arranged in the spherical outer shell 3, a plurality of particles 13 representing electrons are embedded on the spherical inner shell 4, three circular track lines 5 capable of rotating around the vertical shaft are arranged in the spherical inner shell 4, a first small ball 6 representing an electron is hung on the circular track line 5, a second small ball 7 representing a nucleus is further arranged in the middle of the vertical shaft 2, a plurality of neutron balls 8 and proton balls 9 are arranged in the second small ball 7.

[0029] Rotating members 11 are sleeved on the upper and lower ends of the vertical shaft, and mounting heads 12 capable of being inserted into the circular track lines are arranged on the rotating members 11.

[0030] The spherical outer shell is formed by clamping two hemispherical shells.

[0031] The spherical inner shell is formed by clamping two hemispherical foams.

[0032] The second ball is formed by clamping two hemispherical shells.

[0033] Two curved portions 5 for conveniently fixing the spherical outer shell and the spherical inner shell are arranged on the upper portion of the vertical shaft 2.

[0034] The principle of the technical scheme is that the spherical shell shows the Dalton solid sphere atom structure model, the spherical shell is disassembled to show the Thomson watermelon atom structure model, the spherical inner shell is disassembled to show the Rutherford nuclear type atom structure model, the orbit line is rotated to be located in the same plane to show the Bohr atom structure model, the second sphere is opened to show the atom nucleus divisible model, the students can visually see, the teaching difficulty is solved, the atom structure model is gradually revealed, and the desire of the students for continuous exploration is stimulated.The teaching aid displays multiple models, and the display is simple, convenient, practical, easy to disassemble and assemble, can be sold as a finished product, or can provide materials to set up project learning cards, and the students can independently complete the project learning cards, and the interest is complete.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A teaching aid for easily demonstrating five atomic structure models, comprising a base and a vertical axis connected to the base, characterized in that: The vertical shaft is sleeved with a spherical shell representing an atom, the spherical shell is internally provided with a spherical inner shell representing an atom, the spherical inner shell is embedded with a plurality of particles representing electrons, the spherical inner shell is internally provided with three circular orbit lines capable of rotating around the vertical shaft, the orbit lines are strung with first small balls representing electrons, and the vertical shaft is further provided with a second small ball representing an atomic nucleus in the middle part, and the second small ball is internally provided with a plurality of neutron balls and proton balls.

2. The teaching aid for exhibiting five atomic structure models according to claim 1, wherein: The upper and lower ends of the vertical shaft are sleeved with rotating members, and the rotating members are provided with mounting heads capable of being inserted into the circular orbit lines.

3. The teaching aid for exhibiting five atomic structure models according to claim 1, wherein: The spherical shell is formed by clamping two half spherical shells.

4. The teaching aid for exhibiting five atomic structure models according to claim 1, wherein: The spherical inner shell is formed by clamping two half spherical foams.

5. The teaching aid for exhibiting five atomic structure models according to claim 1, wherein: The second small ball is formed by clamping two half spherical shells.

6. The teaching aid for exhibiting five atomic structure models according to claim 1, wherein: The upper part of the vertical shaft is provided with two curved parts facilitating fixation of the spherical shell and the spherical inner shell.

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