CN218729579U

CN218729579U - Geographical teaching aid for demonstrating three-ball sports relation

Info

Publication number: CN218729579U
Application number: CN202222918879.0U
Authority: CN
Inventors: 潘志超; 梁钰雯
Original assignee: South China Normal University
Current assignee: South China Normal University
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-24
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses a geographical teaching aid of demonstration three balls motion relation relates to three ball appearance technical field, including the bottom plate, four first recesses have been seted up to the upper surface of bottom plate, and the equal sliding connection of inner wall of every first recess has the support column, and the top of bottom plate is provided with the ring gear, four support columns all with ring gear fixed connection. It can be through the bottom plate, the handle, the inserted bar, the support column, first expanding spring, first fixed plate, the second fixed plate, remove the dish, first recess, the second recess, the third expanding spring, the effect of dismantling and installing the device can be realized to mutually supporting between splint and the second rotating electrical machines, can make the device more convenient when carrying, through the ring gear, the simulation earth, first rotating electrical machines, the simulation moon, the dwang, the simulation sun, the gear, the connecting rod, mutually supporting between dead lever and the second rotating electrical machines can let the audio-visual observation sun of student, the change of motion between earth and the moon, in order to help the change of the more deep understanding nature of student.

Description

Geographical teaching aid for demonstrating three-ball sports relation

Technical Field

The utility model relates to a three-ball appearance technical field specifically is a geographical teaching aid of demonstration three-ball motion relation.

Background

The instrument consists of three small balls representing sun, earth and moon, and has mechanical linkage device for demonstrating the relation of three balls and some astronomical phenomena.

The three-globe is mainly applied to geography teaching, provides specific reference for explaining season change, day and night alternation, moon phase change and the like, can enable students to visually observe changes in the nature, and helps the students to deeply understand the changes of movement among the sun, the earth and the moon.

According to the geography teaching aid disclosed in the patent with the patent number of CN205665954U, when the geography teaching aid is used, the geography teaching aid is convenient to be used for teaching in class, and meanwhile, students can deepen understanding and observation of movement among the sun, the earth and the moon, but when the geography teaching aid is used, the geography teaching aid is large in size and inconvenient for teachers to carry in class, and can fall off in the carrying process to cause damage to the geography teaching aid; therefore, a geographical teaching aid for demonstrating the three-ball movement relation is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a geographical teaching aid for demonstrating the three-ball sport relationship, which aims to make up the defects of the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a geography teaching aid for demonstrating the relation of three-ball sports comprises a bottom plate, wherein four first grooves are arranged on the upper surface of the bottom plate, a supporting column is connected with the inner wall of each first groove in a sliding manner, a toothed ring is arranged above the bottom plate, the four support columns are fixedly connected with the toothed ring, the upper surface of the bottom plate is fixedly connected with four first fixing plates, the inner wall of each first fixing plate is slidably connected with an inserted bar, the four inserted bars are respectively slidably connected with the four support columns, the outer surface of each inserted bar is fixedly connected with a moving plate, the outer surface of each first fixing plate is fixedly connected with a first telescopic spring, the four first telescopic springs are respectively fixedly connected with the four moving plates, the upper surface of the bottom plate is provided with a second groove, the inner wall of the second groove is connected with a second rotating motor in a sliding way, the upper surface of the bottom plate is fixedly connected with two symmetrical second fixing plates, one side surface of the two second fixing plates close to each other is fixedly connected with a third telescopic spring, one end of the two third telescopic springs close to each other is fixedly connected with a clamping plate, the output shaft end of the second rotating motor is fixedly connected with a simulated sun, the outer surface of the simulated sun is fixedly connected with a rotating rod, the left end of the rotating rod is fixedly connected with a first rotating motor, the output shaft end of the first rotating motor is fixedly connected with a simulated earth, a gear is arranged in the gear ring and is meshed with the gear ring, a fixed rod is fixedly connected with the upper surface of the gear, the top end of the fixed rod is fixedly connected with a simulated earth, the outer surface of the fixed rod is rotatably connected with a connecting rod, and the connecting rod is fixedly connected with the output shaft end of the second rotating motor.

Furthermore, the outer surface of the bottom plate is fixedly connected with two symmetrical handles, and the surface delivery of each handle is passivated.

Further, every the equal fixedly connected with protective sheath of surface of handle, every anti-skidding line has all been seted up to the surface of protective sheath.

Furthermore, every the equal fixedly connected with handle of surface of removal dish, every anti-skidding line has all been seted up to the surface of handle.

Furthermore, every the equal sliding connection of inner wall of second fixed plate has the gag lever post, two the gag lever post is respectively with two splint fixed connection.

Furthermore, every the equal fixedly connected with of surface of gag lever post draws the dish, every the surface of drawing the dish has all seted up anti-skidding line.

Furthermore, two a side that draws the dish to be close to each other all fixedly connected with second expanding spring, two second expanding spring respectively with two second fixed plate fixed connection.

Compared with the prior art, the geography teaching aid for demonstrating the three-ball sports relationship has the following beneficial effects:

1. the utility model discloses a bottom plate, the handle, the inserted bar, the support column, first expanding spring, first fixed plate, the second fixed plate, move the dish, first recess, the second recess, the third expanding spring, the effect of dismantling and installing the device can be realized to mutually supporting between splint and the second rotating electrical machines, can make the device more convenient when carrying, through the ring gear, the simulation earth, first rotating electrical machines, the simulation moon, the dwang, the simulation sun, the gear, the connecting rod, mutually supporting between dead lever and the second rotating electrical machines can let the audio-visual sun of observing of student, the change of motion between earth and the moon, change in order to help the more deep understanding nature of student.

2. The utility model discloses a mutually supporting between handle and the protective sheath can make the operator more convenient when carrying the bottom plate, can make the operator more convenient in the pulling carriage release tray through the handle, can play spacing effect to the splint through the gag lever post, can increase the stability of device, can make the operator more convenient when the pulling gag lever post removes through drawing the dish, the elasticity that produces when deforming through the second expanding spring can drive and draw a set automatic re-setting.

Drawings

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

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is a schematic view of the structure of the bottom plate of the present invention;

fig. 4 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1. a base plate; 2. a grip; 3. inserting a rod; 4. a handle; 5. a support pillar; 6. A toothed ring; 7. simulating the earth; 8. a first rotating electrical machine; 9. simulating the moon; 10. rotating the rod; 11. simulating the sun; 12. a gear; 13. a protective sleeve; 14. a first extension spring; 15. a first fixing plate; 16. a connecting rod; 17. fixing the rod; 18. a second fixing plate; 19. a movable tray; 20. a first groove; 21. a second groove; 22. pulling the disc; 23. a second extension spring; 24. a third extension spring; 25. a splint; 26. a second rotating electrical machine; 27. a limiting rod.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

This embodiment provides a geographical teaching aid of demonstration three balls motion relation, and the device can make the device more convenient when carrying in order to realize dismantling the effect with the installation to the device, can let the change of the audio-visual observation nature of student to help the more deep understanding nature of student's change.

Referring to fig. 1-picture, a geographical teaching aid of demonstration three balls motion relation, including bottom plate 1, bottom plate 1 adopts the material preparation that hardness is high, light in weight, when can increase device life, makes the geography teacher more convenient when carrying, and bottom plate 1 adopts the hinge articulated simultaneously, can fold.

Fixed surface is connected with two symmetrical handles 4 on bottom plate 1, and the table of every handle 4 is handed out and is all done passivation treatment, and the equal fixedly connected with protective sheath 13 of surface of every handle 4, anti-skidding line has all been seted up to the surface of every protective sheath 13, and it is more convenient when carrying bottom plate 1 to make the operator through mutually supporting between handle 4 and the protective sheath 13.

Four first recesses 20 have been seted up to bottom plate 1's upper surface, and the equal sliding connection of the inner wall of every first recess 20 has support column 5, and the coefficient of friction of the inner wall of first recess 20 is less, and the wearing and tearing that produce when support column 5 slides and dismantles are less, life that can effectual increase device.

The top of bottom plate 1 is provided with ring gear 6, four support columns 5 all with 6 fixed connection of ring gear, and tooth has been seted up to ring gear 6's inner wall.

Four first fixed plates 15 of fixed surface connection on bottom plate 1, the equal sliding connection inserted bar 3 of the inner wall of every first fixed plate 15, four inserted bars 3 respectively with four 5 sliding connection of support column, the equal fixedly connected with shifting disk 19 of surface of every inserted bar 3, the equal fixedly connected with first expanding spring 14 of surface of every first fixed plate 15, four first expanding spring 14 respectively with four shifting disk 19 fixed connection.

Can play spacing effect to support column 5 through inserted bar 3, the elasticity that produces when deforming through first expanding spring 14 can drive and move 19 automatic re-setting of dish, and the coefficient of friction of first fixed plate 15 inner wall is less, and the wearing and tearing that produce when inserted bar 3 slides are less, life that can effectual increase device.

The equal fixedly connected with handle 2 of surface of every removal dish 19, the antiskid line has all been seted up to the surface of every handle 2, can make the operator more convenient when pulling removal dish 19 through handle 2.

Second recess 21 has been seted up to bottom plate 1's upper surface, and the inner wall sliding connection of second recess 21 has second rotating electrical machines 26, and the coefficient of friction of second recess 21 inner wall is less, and the wearing and tearing that produce when second rotating electrical machines 26 slide are less, can effectual increase device stable service life.

The upper surface of bottom plate 1 is fixed with two symmetrical second fixed plates 18, and the equal fixedly connected with third expanding spring 24 in a side that two second fixed plates 18 are close to each other, the equal fixedly connected with splint 25 of one end that two third expanding spring 24 are close to each other, and the elasticity that produces when deforming through third expanding spring 24 can promote splint 25 and carry out the centre gripping fixedly to second rotating electrical machines 26.

The equal sliding connection of inner wall of every second fixed plate 18 has gag lever post 27, two gag lever posts 27 respectively with two splint 25 fixed connection, can play spacing effect to splint 25 through gag lever post 27, can increase the stability of device.

The equal fixedly connected with in surface of every gag lever post 27 draws dish 22, and anti-skidding line has all been seted up to every surface that draws dish 22, can make the operator more convenient when pulling gag lever post 27 and removing through drawing dish 22.

One side surface of each of the two pull discs 22, which is close to each other, is fixedly connected with a second expansion spring 23, the two second expansion springs 23 are fixedly connected with the two second fixing plates 18, and the pull discs 22 can be driven to automatically reset through elastic force generated when the second expansion springs 23 deform.

The output shaft end of the second rotating electrical machine 26 is fixedly connected with the simulated sun 11, and the simulated sun 11 can be driven to rotate through the second rotating electrical machine 26.

Outer fixed surface of simulation sun 11 is connected with dwang 10, the first rotating electrical machines 8 of left end fixedly connected with of dwang 10, and the output shaft fixedly connected with of first rotating electrical machines 8 simulates earth 7, can drive dwang 10 along with the rotation of simulation sun 11 and rotate, and then can drive first rotating electrical machines 8 and rotate to can drive simulation moon 9 and rotate, can drive simulation moon 9 through first rotating electrical machines 8 and rotate.

The gear 12 is arranged inside the gear ring 6, the gear 12 is meshed with the gear ring 6, the upper surface of the gear 12 is fixedly connected with a fixed rod 17, the top end of the fixed rod 17 is fixedly connected with a simulation earth 7, the outer surface of the fixed rod 17 is rotatably connected with a connecting rod 16, and the connecting rod 16 is fixedly connected with the output shaft end of a second rotating motor 26.

The second rotating motor 26 can drive the connecting rod 16 to rotate, and then can drive the fixing rod 17 to revolve, and then can drive the simulated earth 7 to revolve, and the rotation of the fixing rod 17 can drive the gear 12 to revolve in the gear ring 6, so that the gear 12 can be driven to rotate, and then the fixing rod 17 can be driven to rotate automatically, thereby achieving the purpose of driving the simulated earth 7 to rotate.

Through the device, students can learn the change of movement among the sun, the earth and the moon more intuitively.

The working principle is as follows: the device at first need inject support column 5 into the inside of first recess 20 when installing, then the elasticity that produces when deformation through first expanding spring 14 drives movable plate 19 automatic re-setting, and then can drive inserted bar 3 and reset, enter into the inside of support column 5, realize the spacing to support column 5, then put second rotating electrical machines 26 into the inside of second recess 21, then the elasticity that produces when deformation through third expanding spring 24 drives splint 25 and carries out the centre gripping fixed to second rotating electrical machines 26, place the inside of ring gear 6 to gear 12 when placing second rotating electrical machines 26, will start second rotating electrical machines 26 and first rotating electrical machines 8 simultaneously when needs use the device to demonstrate, can drive simulation sun 11 through second rotating electrical machines 26 and rotate, can drive dwang 10 to rotate along with the rotation of simulation sun 11, and then can drive first rotating electrical machines 8 to rotate, thereby can drive simulation moon 9 to rotate, can drive simulation moon 9 to rotate through first rotating electrical machines 8, and can drive simulation moon 9 to rotate through second rotating electrical machines 26, and then can drive connecting rod 16 can drive the dead lever 17 that can drive the rotation of gear, thereby can drive the dead lever 17 that the rotation of earth and carry out the revolution, thereby can drive the dead lever 17, thereby can drive earth and carry out the rotation of simulation gear 17.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a demonstration three balls sports relation's geographical teaching aid, includes bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is provided with four first grooves (20), the inner wall of each first groove (20) is connected with a support column (5) in a sliding manner, a toothed ring (6) is arranged above the bottom plate (1), the four support columns (5) are fixedly connected with the toothed ring (6), the upper surface of the bottom plate (1) is fixedly connected with four first fixing plates (15), the inner wall of each first fixing plate (15) is connected with an inserted bar (3) in a sliding manner, the four inserted bars (3) are respectively connected with the four support columns (5) in a sliding manner, the outer surface of each inserted bar (3) is fixedly connected with a movable plate (19), the outer surface of each first fixing plate (15) is fixedly connected with a first telescopic spring (14), the four first telescopic springs (14) are respectively and fixedly connected with the four movable plates (19), the upper surface of the bottom plate (1) is provided with a second groove (21), the inner wall of the second groove (21) is fixedly connected with a second rotary motor (26), the fixed surface of the bottom plate (1) is fixedly connected with two second telescopic springs (18), and the third fixing plates (24) are fixedly connected with two telescopic springs (24), the output shaft end fixedly connected with of second rotating electrical machines (26) simulates sun (11), the outer fixed surface of simulation sun (11) is connected with dwang (10), the left end fixedly connected with of dwang (10) first rotating electrical machines (8), the output shaft end fixedly connected with of first rotating electrical machines (8) simulates earth (7), the inside of ring gear (6) is provided with gear (12), gear (12) and ring gear (6) mesh mutually, the last fixed surface of gear (12) is connected with dead lever (17), the top fixedly connected with of dead lever (17) simulates earth (7), the surface rotation of dead lever (17) is connected with connecting rod (16), connecting rod (16) and the output shaft end fixedly connected with of second rotating electrical machines (26).

2. A geography teaching aid for demonstrating the relation of three sports according to claim 1, which is characterized in that: the outer surface of the bottom plate (1) is fixedly connected with two symmetrical handles (4), and the surface intersection of each handle (4) is passivated.

3. A geographic teaching aid for demonstrating the relationship of three sports, as claimed in claim 2, wherein: every the equal fixedly connected with protective sheath (13) of surface of handle (4), every anti-skidding line has all been seted up to the surface of protective sheath (13).

4. A geographic teaching aid for demonstrating the relation of three sports, as claimed in claim 1, wherein: the outer surface of each movable disc (19) is fixedly connected with a handle (2), and anti-skid grains are arranged on the outer surface of each handle (2).

5. A geographic teaching aid for demonstrating the relation of three sports, as claimed in claim 1, wherein: the inner wall of each second fixing plate (18) is connected with a limiting rod (27) in a sliding mode, and the two limiting rods (27) are fixedly connected with the two clamping plates (25) respectively.

6. A geographical teaching aid for demonstrating the relation of three sports according to claim 5, wherein: the outer surface of each limiting rod (27) is fixedly connected with a pull disc (22), and anti-skid grains are arranged on the outer surface of each pull disc (22).

7. A geographical teaching aid for demonstrating the relation of three sports according to claim 6, wherein: two draw equal fixedly connected with second expanding spring (23) in the side that dish (22) are close to each other, two second expanding spring (23) respectively with two second fixed plates (18) fixed connection.