JPH0417957Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a constellation learning device used for learning constellations.

BACKGROUND ART Conventionally, when studying constellations, a constellation map is used in which constellations are positioned by projecting the directions of celestial bodies as seen from the ground onto a spherical or flat plate.

Problems that the invention aims to solve: With such a constellation map, when observing the constellations at night, it is extremely inconvenient to look up at the sky and look for constellations while referring to the constellation map using a flashlight. This places a heavy burden on children in particular, making learning the constellations difficult.

The object of the present invention is to provide a constellation learning device that allows constellations to be learned efficiently and while having fun.

Means for Solving the Problems The present invention includes a base body 2 that can maintain a dome shape by air pressure sealed inside, and a mounting that is removably attached to the inner peripheral surface of the top portion 2a of the base body 2. The base body 2 is made of a transparent balloon body, and the constellations, the names of each constellation, and the figures of people, objects, animals, etc. according to the names are printed using luminous paint when viewed from the inner circumference side. is displayed, and a through hole 4 is formed at the top of the base 2, and the mounting tool 3 has a shaft that can be inserted into the through hole 4 of the base 2 with a gap and that is longer than the thickness of the base 2. The support shaft 5 is formed with a flange portion 11 having an outer diameter larger than the inner diameter of the through hole 4, and is screwed into a threaded portion 9 formed on the upper portion of the support shaft 5. A cap nut 10 having an outer diameter approximately the same as the outer diameter of the flange portion 11, at least three leg portions 8 which are pivotally supported at the lower part of the support shaft 5 and can be expanded and contracted, and a lower end portion of the leg portion 8 are This constellation learning device is characterized by having a ring-shaped mounting portion 7 which is pivotally supported and is large enough to be worn on a person's head.

Function: Attach the attachment to the base inflated on top of the dome, attach the attaching part of the attachment to the observer's head, adjust the length of the legs of the attachment, and rotate the base to adjust its east, west, north, south, and By moving the base and rotating the base, the constellation picture drawn on the inner circumference of the base spreads out three-dimensionally in the field of view of the observer.Especially at night, the constellation picture drawn with luminous paint appears in the sky. It can be seen overlapping with the constellations of , making it interesting and easy to understand the constellations.

Embodiment FIG. 1 is a sectional view showing the basic structure of the present invention, and FIG. 2 is an exploded perspective view of a mounting device according to an embodiment of the present invention. FIG. 1 is an exploded perspective view of a constellation learning device 1 according to the present invention. The constellation learning device 1 according to the present invention is
Basically, it includes a base body 2 on which a constellation picture is drawn using luminous paint, and a mounting tool 3 that is removably attached to the top portion 2a of the base body 2. The base body 2 is made of a flexible transparent synthetic resin sheet such as vinyl chloride, and is formed into a rounded dome shape. The inner diameter of the large diameter end 2b of the base body 2 is approximately 1 m.
selected according to degree. The base body 2 can be folded in the circumferential direction around its top portion 2a.

The mounting tool 3 removably attached to the base 2 is
Basically, the support shaft 5 and the upper end 6a are
The leg portion 6 includes a leg portion 6 to which the leg portion 6 is attached, and a mounting portion 7 attached to the lower end portion 6b of the leg portion 6. Referring to Figure 4,
The support shaft 5 includes a shaft portion 8 inserted into a through hole 4 formed in the top portion 2a of the base body 2, a threaded portion 9 formed at the top of the shaft portion 8, and a cap nut screwed into the threaded portion 9. 10 and a flange portion 1 formed at the lower part of the shaft portion 8
It consists of The outer diameter D1 of the shaft portion 8 is selected to be smaller than the inner diameter D2 of the reinforcing ring 12 attached to the through hole 4. Therefore, the shaft portion 8 is inserted into the through hole 4 of the base body 2.
The base body 2 can be rotated around the shaft part 8 in a state in which the base body 2 is inserted. Threaded portion 9 at the top of the shaft portion 8
A cap nut 10 is screwed onto. bag nut 10
The outer diameter D3 of the lower end surface 10a is the inner diameter D2 of the through hole 4.
The flange portion 11 is selected to be larger than the
The outer diameter D4 of the cap nut 10 is selected to be approximately the same value as the outer diameter D3 of the cap nut 10. Therefore, the top portion 2a of the base body 2 can be mounted between the lower end surface 10a of the cap nut 10 and the upper end surface 11a of the flange portion 11. Further, since the length of the shaft portion 8 is selected to be larger than the thickness of the base body 2, the base body 2 is thereby
As shown by the imaginary line 13 in FIG. 1, it can be swung around the support shaft 5. In this way, the base body 2 can be rotated or swung around the shaft portion 8 of the support shaft 5.
When performing astronomical observation from the inner peripheral surface side of the base 2, it is extremely easy to position a drawn constellation picture to a constellation in the sky.

Three pairs of brackets 14, 15, and 16 are fixed at intervals in the circumferential direction at the lower end of the flange portion 11 of the shaft portion 8 that rotatably/swingably supports the top portion 2a of the base body 2 in this manner. . This bracket 14
~16, the upper ends 8a of the three telescopic legs 8 are individually pivoted by pins 8b. The leg portion 8 is made of a rod-shaped body that can be expanded and contracted, and may be made of a lightweight material such as transparent plastic. Each lower end 8c of the leg 8 is individually pivoted to three pairs of brackets 17, 18, 19 by pins 8d. The brackets 17 to 19 are fixed to the ring-shaped mounting portion 7 at intervals in the circumferential direction. The mounting portion 7 is selected to have a size that allows it to be mounted on the observer's head.

To attach the mounting tool 3 to the base 2, first attach the shaft part 8.
It is only necessary to insert the cap nut 10 into the through hole 4 of the top portion 2a of the base body 2, and then screw the cap nut 10 onto the threaded portion 9. Further, by reversing this operation, the mounting tool 3 can be removed from the base body 2. Such attachment/removal operations can be easily performed.

When learning constellations using this constellation learning device 1, the attachment part 7 is attached to the observer's head,
The cap nut 10 is positioned at the zenith, and the base body 2 is rotated to determine its north, south, east, and west. Since the constellation picture drawn on the inner circumferential surface of the base 2 spreads out three-dimensionally in the field of view of the observer, learning about the constellations can be extremely interesting. Also, during nighttime astronomical observation, constellation pictures drawn on the base 2 with luminous paint can be seen. At the same time, the constellations in the sky can be seen through the transparent base 2, so
By positioning the constellation pictures on the base 2 to constellations in the sky, the constellations can be easily understood. Furthermore, since the constellation name is also drawn on the base 2 along with the constellation picture, there is no need for a reference book or the like. Moreover, since the constellations are painted using luminous paint, there is no need for any kind of proof such as a flashlight. Therefore, the user can easily learn the constellations by rotating or swinging the base body 2 with both hands. In addition, the telescopic legs 6 are adjusted to expand and contract to the base 2.
By changing up and down, the constellation picture can be aligned with the line connecting the observer's eyes and the constellations in the sky, and it is also possible for multiple observers to study the constellations at the same time.

FIG. 3 is a developed view of the inner peripheral surface side of the base body 2. FIG.
On the inner peripheral surface of the dome-shaped base 2, summer constellations are drawn projected onto the constellations in the sky as seen from the ground. The through hole 4 in the top part 2a of the base body 2 corresponds to the zenith,
North, south, east, and west are defined around this hole 4.
Based on that direction, summer constellations such as Scorpius and Centauri are drawn using luminous paint. In FIG. 5, the summer constellations are drawn on the base 2, but the spring, autumn, and winter constellations may be similarly drawn on separate bases using luminous paint. In this way, stars are drawn in dots using luminous paint, each star is connected by a line for each constellation, and the figures of people, objects, animals, etc. that match the name of the constellation are displayed, making it easy to remember. In addition, the luminous paint makes the constellation pictures stand out in a fantastical way, creating a fantastic fairy tale effect, making it possible to have fun learning about the constellations.

FIG. 4 is a sectional view of the base 2 showing an embodiment of the present invention. Although the base body 2 explained in the basic configuration is composed of a transparent sheet body, it is necessary to increase the thickness of the transparent sheet body to a certain extent in order to maintain the open state in a dome shape. Therefore, in this example, The base body 2 is made of a transparent thin balloon body. Therefore, the base body 2 can maintain its dome shape by air pressure, and the lightweight balloon body provides even better portability.

Luminous paints for drawing constellations include phosphorescent paints that store light energy such as sunlight and electric light and emit light for long periods of time at night or in dark places, luminescent paints that emit light by themselves even when there is no light energy, and luminescent paints that emit light by themselves even when there is no light energy. It broadly includes fluorescent paints that emit fluorescence and phosphorescent paints that emit phosphorescence upon receiving stimulating light.

The depiction of constellations using luminous paints may be done by hand or by printing techniques, and
Either the inner peripheral surface or the outer peripheral surface of the base 2
It is best to apply it inside.

Effects As described above, according to the present invention, the base body is expanded into a dome shape by filling air inside the balloon body, so the dome shape is maintained by the air pressure, and when the air is released, it can be folded into small pieces, making it easy to carry. It's convenient. The names of constellations and constellations as well as figures of people, objects, animals, etc. that correspond to the names are drawn on the base using luminous paint when viewed from the inner peripheral side. having legs of
Since a mounting device is attached to the observer's head, there is no need for lighting even at night, and through this mounting device, it is possible to look up at the constellations drawn on the base from the inner circumferential surface of the base. I can do it. Therefore,
Even without a reference book, constellation observation becomes easier to understand and familiar to children and students.

Furthermore, since the base body is attached to the attachment tool by inserting the shaft portion into the thin through hole of the base body, which has a gap in relation to the diameter and height of the shaft portion of the support shaft of the attachment device, the base body is attached to the attachment device. It can be rotated and swung, and when observing constellations, especially at night, the constellation picture and the constellations in the sky can be observed simultaneously, making it easy to understand the constellations.

By taking out the base and attachment, the constellation learning device becomes even more convenient to carry.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view of the basic structure of the present invention, FIG. 2 is an exploded perspective view of a mounting device according to an embodiment of the present invention,
FIG. 3 is a developed view of the inner circumferential surface of the base body, and FIG. 4 is a sectional view of the base body showing an embodiment of the present invention. 1... Constellation learning device, 2... Base, 2a... Top, 3... Mounting tool.

Claims (1)

[Claims for Utility Model Registration] A base body 2 that can maintain a dome shape by air pressure sealed inside, and a mounting tool 3 that is removably attached to the inner peripheral surface of the top portion 2a of the base body 2. The base body 2 is made of a transparent balloon body, and the constellations, the names of each constellation, and the figures of people, objects, animals, etc. according to the names are displayed using luminous paint when viewed from the inner peripheral surface side. In addition, a through hole 4 is formed at the top of the base body 2, and the mounting tool 3 can be inserted into the through hole 4 of the base body 2 with a gap, and has a shaft portion 8 and a shaft portion that are longer than the thickness of the base body 2. The support shaft 5 is formed at the lower part of the part 8 and has a flange part 11 having an outer diameter larger than the inner diameter of the through hole 4, and is screwed into the threaded part 9 formed at the upper part of the support shaft 5. A cap nut 10 having an outer diameter that is approximately the same as the outer diameter of the support shaft 5, at least three legs 8 that are extendable and adjustable and pivoted to the lower part of the support shaft 5; A constellation learning device characterized by having a ring-shaped attachment part 7 of a size to be attached to the head of a person.