CN210119914U

CN210119914U - Solar-lunar eclipse demonstration instrument for geography teaching

Info

Publication number: CN210119914U
Application number: CN201920189603.9U
Authority: CN
Inventors: 颜笑宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-11
Filing date: 2019-02-11
Publication date: 2020-02-28
Anticipated expiration: 2029-02-11

Abstract

The utility model discloses a solar and lunar eclipse demonstration appearance is used in geography teaching relates to teaching aid technical field, specifically is a solar and lunar eclipse demonstration appearance is used in geography teaching, including the demonstration case, the inside fixedly connected with motor fixed block of demonstration case, the last fixed surface of motor fixed block is connected with initiative motor, demonstration board has been cup jointed to the surface of initiative motor output shaft, demonstration board's positive fixedly connected with earth simulation operation track, first pivot pole has been cup jointed to the surface of initiative motor output shaft. The solar-lunar eclipse demonstration instrument for the geography teaching is matched with the earth simulation operation orbit, the earth-moon simulation operation orbit, the simulation sun, the simulation earth and the simulation moon, so that the solar-lunar eclipse demonstration instrument for the geography teaching has the capacity of reducing the earth-moon operation orbit in equal proportion, the accuracy of the demonstration process and the reliability of obtained data are greatly improved, and the teaching efficiency is improved.

Description

Solar-lunar eclipse demonstration instrument for geography teaching

Technical Field

The utility model relates to a teaching aid technical field specifically is a daily and lunar eclipse demonstration appearance is used in geography teaching.

Background

In present geography teaching, when needs involve astronomical knowledge, for example the formation process of solar eclipse and lunar eclipse, just need the mr to draw the picture and explain the principle or formation process, because the pattern on the blackboard is two-dimensional graph mostly, be unfavorable for the student to understand, and because the relative position relation of sun and moon is related to in the formation of solar eclipse and lunar eclipse, two-dimensional pattern just can express the result of final formation only, and be difficult to show the variation process, the student understands not thorough, the memory is not deep, be unfavorable for study and memory, influence teaching effect.

A daily and monthly food demonstration instrument for geography teaching disclosed in the Chinese utility model patent application publication No. CN206179395U, although the angle adjustment of the support is realized by fastening and loosening the locking nut, the solar-lunar eclipse demonstration instrument for geography teaching can be more convenient for students to observe and study, and the moon model and the sun model can freely rotate around the shaft, thereby not only demonstrating the state of the solar eclipse after the formation of the eclipse, but also gradually demonstrating the formation process, deepening the memory of students and facilitating the understanding, and the inside of the solar model simulates the sunlight by adding the illuminating lamp, the forming process can be clearly demonstrated, the use is very convenient, the teaching effect can be greatly improved, however, the solar-lunar eclipse demonstration instrument for geography teaching has the defects that the running tracks of the simulated sun, the simulated earth and the simulated moon are not scientific enough, and excessive manpower is needed in the operation process.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides a solar and lunar eclipse demonstration appearance for geography teaching has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a solar-lunar eclipse demonstration instrument for geography teaching comprises a demonstration box, wherein a motor fixing block is fixedly connected inside the demonstration box, a driving motor is fixedly connected to the upper surface of the motor fixing block, a demonstration board is sleeved on the outer surface of an output shaft of the driving motor, an earth simulation running track is fixedly connected to the front surface of the demonstration board, a first rotating rod is sleeved on the outer surface of the output shaft of the driving motor, a movable groove is formed inside the first rotating rod, a compression spring is fixedly connected to the inner wall of the movable groove, one end of the compression spring is fixedly connected with a lunar simulation box, a track walking device is fixedly connected to the lower surface of the lunar simulation box, a sliding groove is formed inside the lunar simulation box, a first rotating rod is slidably connected inside the sliding groove, a supporting plate is fixedly connected inside the lunar simulation box, and a lunar motor fixing seat is fixedly connected to the upper surface, the upper surface of the earth-moon motor fixing seat is fixedly connected with an earth-moon motor.

Optionally, the lower fixed surface of demonstration case is connected with the fixing base, the quantity of fixing base is four, four the fixing base is at the lower surface of demonstration case with rectangular array's form fixed connection.

Optionally, the rail travelling device comprises a rotating wheel, one side of the rotating wheel is fixedly connected with a travelling frame, the travelling frame is movably connected with the roller through a travelling shaft, and the left end and the right end of the travelling shaft are movably connected with travelling shaft covers.

Optionally, one end of the output shaft of the driving motor is fixedly connected with a connecting column, one end of the connecting column is fixedly connected with an optical ball, the inner wall of the optical ball is fixedly connected with a simulation light source fixing column, and one end of the simulation light source fixing column is fixedly connected with a simulation sun.

Optionally, the second dwang has been cup jointed of earth and moon motor output shaft, the structure of second dwang is the same with the structure of first dwang completely, the second dwang is pegged graft in the inside of moon simulation case, the last fixed surface of moon simulation case is connected with the regulation post, the one end fixedly connected with of regulation post simulates the moon, the lower fixed surface of moon simulation case is connected with the rail walking device, the one end fixedly connected with earth connection post of earth and moon motor output shaft, the one end fixed connection of earth connection post simulates the earth.

Optionally, the upper surface of the earth-moon simulation box is fixedly connected with an earth-moon simulation track, and the inside of the earth-moon simulation track is slidably connected with a track traveling device.

(III) advantageous effects

The utility model provides a solar and lunar eclipse demonstration appearance for geography teaching possesses following beneficial effect:

1. the solar-lunar eclipse demonstration instrument for the geography teaching is matched with the earth simulation operation orbit, the earth-moon simulation operation orbit, the simulation sun, the simulation earth and the simulation moon, so that the solar-lunar eclipse demonstration instrument for the geography teaching has the capacity of reducing the earth-moon operation orbit in equal proportion, the accuracy of the demonstration process and the reliability of obtained data are greatly improved, and the teaching efficiency is improved.

2. This solar and lunar eclipse demonstration appearance for geography teaching sets up through compression spring and running gear's cooperation, makes the show that moon and earth's orbit can be clear in this solar and lunar eclipse demonstration appearance for geography teaching in the learner preceding to whole device simple structure, convenient to use has avoided the too much operation of manpower, has improved the practicality of equipment.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the Earth-moon simulation box of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3 according to the present invention;

fig. 5 is a schematic view of the structure of the simulated sun of the present invention.

In the figure: 1-demonstration box, 2-motor fixed block, 3-active motor, 4-demonstration board, 5-earth simulation operation orbit, 6-first rotating rod, 7-compression spring, 8-earth-moon simulation box, 9-orbit traveling device, 901-rotating wheel, 902-traveling frame, 903-traveling shaft, 904-roller, 10-chute, 11-earth-moon motor, 12-fixed seat, 13-connecting column, 14-light ball, 15-simulation sun, 16-second rotating rod, 17-moon simulation box, 18-simulation moon, 19-simulation earth and 20-earth-moon simulation orbit.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a geography teaching is with solar and lunar eclipse demonstration appearance, including demonstration case 1, the lower fixed surface of demonstration case 1 is connected with fixing base 12, the quantity of fixing base 12 is four, four fixing base 12 are at the lower surface of demonstration case 1 with the form fixed connection of rectangular array, the inside fixedly connected with motor fixed block 2 of demonstration case 1, the last fixed surface of motor fixed block 2 is connected with initiative motor 3, the one end fixedly connected with spliced pole 13 of initiative motor 3 output shaft, the one end fixedly connected with photosphere 14 of spliced pole 13, the inner wall fixedly connected with simulation light source fixed column of photosphere 14, the one end fixedly connected with simulation sun 15 of simulation light source fixed column, demonstration board 4 has been cup jointed to the surface of initiative motor 3 output shaft, the front fixedly connected with earth simulation orbit 5 of demonstration board 4, through earth simulation orbit 5, earth simulation orbit 20, earth, The matching arrangement of the simulated sun 15, the simulated earth 19 and the simulated moon 18 ensures that the solar-lunar eclipse demonstration instrument for geography teaching has the capacity of reducing earth-moon running tracks in equal proportion, greatly improves the accuracy of the demonstration process and the reliability of obtained data, and improves the teaching efficiency, the outer surface of the output shaft of the driving motor 3 is sleeved with the first rotating rod 6, the inner part of the first rotating rod 6 is provided with a movable groove, the inner wall of the movable groove is fixedly connected with the compression spring 7, the running tracks of the moon and the earth in the solar-lunar eclipse demonstration instrument for geography teaching can be clearly displayed in front of learners through the matching arrangement of the compression spring 7 and the walking device 9, the whole device has simple structure and convenient use, avoids excessive manual operation, and improves the practicability of equipment, one end of the compression spring 7 is fixedly connected with the earth-moon simulation box 8, the upper surface of the earth-moon simulation box 8 is fixedly connected with the earth-moon-, the earth-moon simulation track 20 is internally and slidably connected with a track running gear 9, the lower surface of the earth-moon simulation box 8 is fixedly connected with the track running gear 9, the track running gear 9 comprises a rotating wheel 901, one side of the rotating wheel 901 is fixedly connected with a running frame 902, the running frame 902 is movably connected with a roller 904 through a running shaft 903, the left end and the right end of the running shaft 903 are movably connected with running shaft covers, the earth-moon simulation box 8 is internally provided with a chute 10, the inside of the chute 10 is slidably connected with a first rotating rod 6, the inside of the earth-moon simulation box 8 is fixedly connected with a supporting plate, the upper surface of the supporting plate is fixedly connected with an earth-moon motor fixing seat, the upper surface of the earth-moon motor fixing seat is fixedly connected with an earth-moon motor 11, the output shaft of the earth-moon motor 11 is sleeved with a second rotating rod 16, the structure of the second rotating rod 16 is completely the same, an adjusting column is fixedly connected to the upper surface of the moon simulation box 17, a simulation moon 18 is fixedly connected to one end of the adjusting column, an orbit traveling device 9 is fixedly connected to the lower surface of the moon simulation box 17, an earth connecting column is fixedly connected to one end of an output shaft of the earth-moon motor 11, and a simulation earth 19 is fixedly connected to one end of the earth connecting column.

As an optimal technical solution of the utility model: the second dwang 16 has been cup jointed of earth and moon motor 11 output shaft, the structure of second dwang 16 is the same with the structure of first dwang 6 completely, second dwang 16 pegs graft in the inside of moon simulation case 17, the last fixed surface of moon simulation case 17 is connected with the regulation post, the one end fixedly connected with of regulation post simulates moon 18, the lower fixed surface of moon simulation case 17 is connected with rail walking device 9, the one end fixedly connected with earth connection post of earth and moon motor 11 output shaft, the one end fixedly connected with simulation earth 19 of earth connection post, simulate earth 19, the center of simulation moon 18 and simulation sun 15 is on same straight line, through such setting, very big improvement this accuracy of food demonstration appearance experimental result for geography teaching.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

To sum up, this solar and lunar eclipse demonstration appearance for geography teaching, during the use, through earth simulation orbit 5, earth and moon simulation orbit 20, simulation sun 15, simulation earth 19 and simulation moon 18's cooperation setting, make this solar and lunar eclipse demonstration appearance for geography teaching possess the equal proportion and restore earth and moon orbit's ability, very big improvement the accuracy of demonstration process and the reliability of deriving data, teaching efficiency has been improved, through compression spring 7 and running gear 9's cooperation setting, make the show that the orbit of moon and earth can be clear in this solar and lunar eclipse demonstration appearance for geography teaching show in the front of, and whole device simple structure, high durability and convenient use have avoided the excessive operation of manpower, the learner of equipment has been improved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

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 geography teaching is with daily and lunar eclipse demonstration appearance, includes demonstration case (1), its characterized in that: the demonstration box comprises a demonstration box body (1), a motor fixing block (2) is fixedly connected inside the demonstration box body (1), a driving motor (3) is fixedly connected to the upper surface of the motor fixing block (2), a demonstration board (4) is sleeved on the outer surface of an output shaft of the driving motor (3), an earth simulation operation track (5) is fixedly connected to the front side of the demonstration board (4), a first rotating rod (6) is sleeved on the outer surface of the output shaft of the driving motor (3), a movable groove is formed in the first rotating rod (6), a compression spring (7) is fixedly connected to the inner wall of the movable groove, a moon simulation box (8) is fixedly connected to one end of the compression spring (7), a track walking device (9) is fixedly connected to the lower surface of the moon simulation box (8), a sliding groove (10) is formed in the moon simulation box (8), and the first rotating rod (6) is slidably connected to the inside of the, the inside fixedly connected with backup pad of earth-moon simulation case (8), the last fixed surface of backup pad is connected with earth-moon motor fixing base, the last fixed surface of earth-moon motor fixing base is connected with earth-moon motor (11).

2. The solar-lunar eclipse demonstration instrument for geography teaching according to claim 1, wherein: the lower fixed surface of demonstration case (1) is connected with fixing base (12), the quantity of fixing base (12) is four, four fixing base (12) are at the lower surface of demonstration case (1) with rectangular array's form fixed connection.

3. The solar-lunar eclipse demonstration instrument for geography teaching according to claim 1, wherein: the rail walking device (9) comprises a rotating wheel (901), one side of the rotating wheel (901) is fixedly connected with a walking frame (902), the walking frame (902) is movably connected with a roller (904) through a walking shaft (903), and the left end and the right end of the walking shaft (903) are movably connected with a walking shaft cover.

4. The solar-lunar eclipse demonstration instrument for geography teaching according to claim 1, wherein: one end of an output shaft of the driving motor (3) is fixedly connected with a connecting column (13), one end of the connecting column (13) is fixedly connected with an optical ball (14), the inner wall of the optical ball (14) is fixedly connected with a simulation light source fixing column, and one end of the simulation light source fixing column is fixedly connected with a simulation sun (15).

5. The solar-lunar eclipse demonstration instrument for geography teaching according to claim 1, wherein: the second dwang (16) has been cup jointed of earth and moon motor (11) output shaft, the structure of second dwang (16) is the same completely with the structure of first dwang (6), peg graft in the inside of moon simulation case (17) second dwang (16), the last fixed surface of moon simulation case (17) is connected with adjusts the post, the one end fixedly connected with simulation moon (18) of adjusting the post, the lower fixed surface of moon simulation case (17) is connected with rail running gear (9), the one end fixedly connected with earth spliced pole of earth and moon motor (11) output shaft, the one end fixedly connected with simulation earth (19) of earth spliced pole.

6. The solar-lunar eclipse demonstration instrument for geography teaching according to claim 1, wherein: the earth-moon simulation box is characterized in that an earth-moon simulation track (20) is fixedly connected to the upper surface of the earth-moon simulation box (8), and a track walking device (9) is slidably connected to the inside of the earth-moon simulation track (20).