CN210896234U

CN210896234U - Lunar phase instrument for geography teaching

Info

Publication number: CN210896234U
Application number: CN201920862843.0U
Authority: CN
Inventors: 吉婷婷; 徐正义
Original assignee: Huaiyin Normal University
Current assignee: Huaiyin Normal University
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-06-30
Anticipated expiration: 2029-06-10

Abstract

The utility model discloses a lunar phase appearance for geography teaching, including main part and slide bar, the left and right sides wheel of main part is provided with the recess, and the internally mounted of recess has the pivot, the outside of pivot is provided with the dead lever, the base is installed to the downside of main part, and the lower extreme of base installs the sucking disc, the upper end of main part is provided with the draw-in groove, the slide bar sets up in the inside of main part, and installs first insection in the inside left side of slide bar, micro motor is installed to the top of slide bar, and micro motor's the outside installs the show stand. The device can be adsorbed on the blackboard through the sucking disc of installation, makes things convenient for mr daily teaching, and when idle, the base of setting can also block on the draw-in groove, prevents to fall into the dust in the device, influences the use of device, through rotating limit gear to can adjusting device's height, and simple structure, convenient and fast makes things convenient for the student to observe, improves the enthusiasm of teaching.

Description

Lunar phase instrument for geography teaching

Technical Field

The utility model relates to a teaching articles for use technical field specifically is a lunar phase appearance for geography teaching.

Background

The lunar phase refers to the astronomy term for the illuminated portion of the sun that sees the moon on earth. The moon moves around the earth, so that the relative positions of the sun, the earth and the moon regularly change in one month. Since the moon itself does not emit light and is opaque, the visible shining part of the moon is the part that reflects sunlight. Only the part of the moon directly illuminated by the sun can reflect the sunlight. Since we can only see the portion of the moon illuminated by the sun to shine, the shadow is the shadow of the moon itself.

Carry inconveniently in the lunar phase appearance use in the market to when teaching, can't fix on the blackboard, the device is accomplished dustproof when idle, and can't adjust the height, and the device can't demonstrate the problem of the rotation orbit of moon and earth, for this reason, we provide a clean more efficient lunar phase appearance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lunar phase appearance for geography teaching to carry inconveniently in the lunar phase appearance use that proposes in solving above-mentioned background art, and when the teaching, can't fix on the blackboard, the device is accomplished dustproofly when idle, and can't height-adjusting, the device can't demonstrate the problem of moon and earth's rotation orbit.

In order to achieve the above object, the utility model provides a following technical scheme: a lunar phase instrument for geography teaching comprises a main body and a sliding rod, wherein grooves are formed in wheels on the left side and the right side of the main body, a rotating shaft is arranged inside the grooves, a fixing rod is arranged on the outer side of the rotating shaft, a base is arranged on the lower side of the main body, a sucker is arranged at the lower end of the base, a clamping groove is formed in the upper end of the main body, the sliding rod is arranged inside the main body, a first insection is arranged on the left side inside the sliding rod, a limiting gear is arranged on the right side of the first insection, a micro motor is arranged above the sliding rod, a display stand is arranged on the outer side of the micro motor, a first gear is arranged at the upper end of the micro motor, a fixing plate is arranged above the first gear, an earth model is arranged above the fixing plate, a second gear is arranged on the left side of, the top end of the guide rail is connected with a rotary table, an autorotation gear is arranged on the left side of the rotary table, a moon model is mounted above the autorotation gear, a concave baffle is arranged on the left side of the moon model, and second insections are arranged on the inner side of the display platform.

Preferably, a clamping structure is formed between the groove and the rotating shaft, and a rotating structure is formed between the fixing rod and the main body.

Preferably, a sealing structure is formed between the sucker and the base, and a clamping structure is formed between the base and the clamping groove.

Preferably, the limit gear penetrates through the main body, and a telescopic structure is formed between the limit gear and the sliding rod.

Preferably, a rotation structure is formed between the micro motor and the first gear, and an engagement structure is formed between the guide rail and the second gear.

Preferably, the concave baffle is fixedly connected with the moon model, and the rotation gear is in meshed connection with the second gear.

Compared with the prior art, the beneficial effects of the utility model are that:

the lunar phase instrument for geography teaching is convenient to carry by the aid of the arranged fixing rods, and when the lunar phase instrument is used, the fixing rods can be stored in the grooves through the rotating shafts, so that redundant space is not occupied;

the device can be adsorbed on the blackboard through the installed sucker, so that the device is convenient for teachers to perform daily teaching, when the device is not in use, the arranged base can be clamped on the clamping groove, dust is prevented from falling into the device, the use of the device is prevented from being influenced, the height of the device can be adjusted by rotating the limiting gear, and the device is simple in structure, convenient and fast to observe by students and capable of improving teaching enthusiasm;

through the micro motor and the first gear of installation, can make the device simulate out the orbit of earth, moon to the guide rail through the installation can prevent that the carousel from rotating to take place the skew, influences normal use, can realize the moon rotation through the rotation gear of installation and second insection, and the spill baffle of installation can make things convenient for the student to observe the shadow face of lunar phase, improves the teaching quality.

Drawings

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

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

fig. 3 is a schematic view of a partial structure at a in fig. 1 according to the present invention.

In the figure: 1. a main body; 2. a groove; 3. a rotating shaft; 4. fixing the rod; 5. a base; 6. a suction cup; 7. a card slot; 8. a slide bar; 9. a first insection; 10. a limit gear; 11. a micro motor; 12. a display stand; 13. a first gear; 14. a fixing plate; 15. an earth model; 16. a second gear; 17. a guide rail; 18. A turntable; 19. a rotation gear; 20. a moon model; 21. a concave baffle plate; 22. and a second insection.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lunar phase instrument for geography teaching comprises a main body 1, a groove 2, a rotating shaft 3, a fixed rod 4, a base 5, a sucker 6, a clamping groove 7, a sliding rod 8, a first insection 9, a limit gear 10, a micro motor 11, a display stand 12, a first gear 13, a fixed plate 14, an earth model 15, a second gear 16, a guide rail 17, a turntable 18, a rotation gear 19, a lunar model 20, a concave baffle 21 and a second insection 22, wherein the left and right side wheels of the main body 1 are provided with the groove 2, a rotating shaft 3 is arranged in the groove 2, a fixing rod 4 is arranged outside the rotating shaft 3, a clamping structure is formed between the groove 2 and the rotating shaft 3, and a rotating structure is formed between the fixed rod 4 and the main body 1, the device is convenient to carry through the arranged fixed rod 4, when the fixing device is used, the fixing rod 4 can be retracted in the groove 2 through the rotating shaft 3, and redundant space cannot be occupied;

the base 5 is installed on the lower side of the main body 1, the sucker 6 is installed at the lower end of the base 5, the clamping groove 7 is formed in the upper end of the main body 1, a sealing structure is formed between the sucker 6 and the base 5, a clamping structure is formed between the base 5 and the clamping groove 7, the device can be adsorbed on a blackboard through the installed sucker 6, the daily teaching of teachers is facilitated, when the device is not used, the arranged base 5 can be clamped on the clamping groove 7 to prevent dust from falling into the device and affecting the use of the device, the sliding rod 8 is arranged inside the main body 1, the first insection 9 is installed on the left side of the inside of the sliding rod 8, the limiting gear 10 is arranged on the right side of the first insection 9 and penetrates through the inside of the main body 1, the telescopic structure is formed between the limiting gear 10 and the sliding rod 8, the height of the device can be adjusted by rotating, the student can observe conveniently, and the teaching enthusiasm is improved;

a micro motor 11 is arranged above the sliding rod 8, a display stand 12 is arranged outside the micro motor 11, a first gear 13 is arranged at the upper end of the micro motor 11, a fixing plate 14 is arranged above the first gear 13, an earth model 15 is arranged above the fixing plate 14, a second gear 16 is arranged on the left side of the first gear 13, a guide rail 17 is arranged below the second gear 16, a rotating structure is formed between the micro motor 11 and the first gear 13, a clamping structure is formed between the guide rail 17 and the second gear 16, the device can simulate the running track of the earth and the moon by the arranged micro motor 11 and the first gear 13, the rotating of the turntable 18 can be prevented from deviating by the arranged guide rail 17 to influence normal use, the top end of the guide rail 17 is connected with the turntable 18, a rotation gear 19 is arranged on the left side of the turntable 18, and a moon model 20 is arranged above the rotation gear 19, the left side of the moon model 20 is provided with a concave baffle 21, the inner side of the display platform 12 is provided with a second tooth pattern 22, the concave baffle 21 is fixedly connected with the moon model 20, the rotation gear 19 is in meshed connection with the second tooth pattern 22, the moon can rotate through the rotation gear 19 and the second tooth pattern 22, the concave baffle 21 is convenient for students to observe the shadow surface of the lunar phase, and the teaching quality is improved.

The working principle is as follows: for the lunar phase instrument, before use, a teacher needs to mesh the first gear 13 with the second gear 16, when the first gear 13 rotates, the rotating disc 18 can be driven to rotate, the guide rail 17 arranged at the same time can prevent the rotating disc 18 from shifting when rotating, meanwhile, the rotation gear 19 in the rotating disc 18 is meshed with the second insection 22 arranged in the display platform 12, the lunar model 20 can rotate, the concave baffle 21 arranged can serve as a shadow face, and observation is convenient, when the lunar phase instrument is used, the teacher firstly places the lunar phase instrument at a specified position, then pulls out the base 5 from the clamping groove 7 at the upper end of the main body 1, clamps the lunar model on the clamping groove 7 through the base 5, can prevent dust from falling into the lunar phase instrument, then clamps the base 5 with the lower end of the main body 1, then the teacher adsorbs the lunar phase instrument on a blackboard through the sucker 6 below the base 5, and is convenient for, then the fixed rod 4 can be put in the groove 2 through the rotating shaft 3 at the inner side of the fixed rod 4, the fixed rod 4 can be carried conveniently and can not occupy redundant space when in use, then a teacher can adjust the display platform 12 at the upper end of the sliding rod 8 to a specified height by rotating the limit gear 10, because the limit gear 10 is meshed with the first insection 9 at the inner side of the sliding rod 8, the structure is simple, the student can observe conveniently, then the teacher can open the micro motor 11, the fixed plate 14 can be driven to rotate with the earth model 15 through the first gear 13, meanwhile, the rotating disc 18 can rotate along with the limiting gear, then the self-rotating gear 19 in the rotating disc 18 can drive the moon model 20 to rotate, the concave baffle 21 can facilitate the student to observe the shadow surface of the moon phase, the teaching quality can be improved, and the practicability of the whole moon phase instrument can be improved well, the whole using process of the lunar phase instrument is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lunar phase appearance for geography teaching, includes main part (1) and slide bar (8), its characterized in that: the novel multifunctional gear box is characterized in that grooves (2) are formed in left and right side wheels of the main body (1), a rotating shaft (3) is arranged inside the grooves (2), a fixing rod (4) is arranged on the outer side of the rotating shaft (3), a base (5) is installed on the lower side of the main body (1), a sucker (6) is installed at the lower end of the base (5), a clamping groove (7) is formed in the upper end of the main body (1), a sliding rod (8) is arranged inside the main body (1), a first insection (9) is installed on the left side of the inside of the sliding rod (8), a limiting gear (10) is arranged on the right side of the first insection (9), a micro motor (11) is installed above the sliding rod (8), a display platform (12) is installed on the outer side of the micro motor (11), a first gear (13) is arranged on the upper end of the micro motor (11), and a fixing plate, the improved moon-shaped display table is characterized in that an earth model (15) is arranged above the fixing plate (14), a second gear (16) is installed on the left side of the first gear (13), a guide rail (17) is arranged below the second gear (16), a turntable (18) is connected to the top end of the guide rail (17), a rotation gear (19) is arranged on the left side of the turntable (18), a moon model (20) is installed above the rotation gear (19), a concave baffle (21) is arranged on the left side of the moon model (20), and second insections (22) are arranged on the inner side of the display table (12).

2. The lunar phase apparatus for geography teaching according to claim 1, wherein: a clamping structure is formed between the groove (2) and the rotating shaft (3), and a rotating structure is formed between the fixing rod (4) and the main body (1).

3. The lunar phase apparatus for geography teaching according to claim 1, wherein: a sealing structure is formed between the sucker (6) and the base (5), and a clamping structure is formed between the base (5) and the clamping groove (7).

4. The lunar phase apparatus for geography teaching according to claim 1, wherein: the limiting gear (10) penetrates through the interior of the main body (1), and a telescopic structure is formed between the limiting gear (10) and the sliding rod (8).

5. The lunar phase apparatus for geography teaching according to claim 1, wherein: a rotating structure is formed between the micro motor (11) and the first gear (13), and a clamping structure is formed between the guide rail (17) and the second gear (16).

6. The lunar phase apparatus for geography teaching according to claim 1, wherein: the concave baffle (21) is fixedly connected with the moon model (20), and the rotation gear (19) is in meshed connection with the second insections (22).