Full-automatic demonstration device capable of realizing rotation and revolution of earth

Abstract

The invention relates to a full-automatic demonstration device capable of achieving rotation and revolution of the earth, and relates to the field of teaching equipment.The full-automatic demonstration device comprises a supporting seat, a rotating plate is arranged above the supporting seat, a fixing seat is arranged on the upper end face of the rotating plate, a sun simulation ball is arranged above the fixing seat, and a supporting table is arranged at one end of the rotating plate; an earth simulation ball is obliquely arranged on the supporting table, the earth simulation ball is obliquely arranged on the side, away from the rotating plate, of the supporting table, a through groove is formed in the bottom end of the supporting seat, a rotating screw rod is vertically arranged in the through groove of the supporting seat, an adsorption piece is arranged in the through groove of the supporting seat, and two limiting grooves are formed in the two sides of the through groove of the supporting seat; two limiting blocks are fixedly connected to the outer side of the adsorption piece, the adsorption piece is in threaded connection with the rotating screw rod, the two limiting blocks are located at the two limiting grooves, and a driving part used for driving the rotating screw rod is connected to the supporting seat. Air pressure is changed through up-and-down movement of the adsorption piece, and therefore the effects of improving connection stability and facilitating disassembly are achieved.

Description

Technical Field

[0001] The present invention relates to the field of teaching equipment, and in particular to a fully automatic demonstration device capable of realizing the rotation and revolution of the earth. Background Art

[0002] The revolution of the earth is that the earth rotates around the sun in a certain orbit. Just like the rotation of the earth has its unique regularity, due to the gravitational field of the sun and the effect of rotation, the revolution of the earth also has its own laws. The revolution of the earth follows laws such as the earth's orbit, the plane of the earth's orbit, the obliquity of the ecliptic, the period of the earth's revolution, the speed of the earth's revolution, and the effect of the earth's revolution. Primary school students need to learn the basic knowledge of the earth, including the revolution and rotation of the earth. Teachers generally use simulation devices to demonstrate the revolution and rotation of the earth.

[0003] The related technology can refer to the patent application with the publication number CN107742463A, which discloses a demonstration device for the revolution and rotation of the earth, including a base, an electric wire, and a suction cup. Fixed holes are formed on the surface of the base, and an adsorption mechanism is installed in the fixed holes. A support column is arranged above the base. The support column is connected to a bearing plate through an electric rotating rod I. One end of the bearing plate is connected to a support platform, and the support platform is connected to an earth simulation ball through an electric rotating rod II. An electric rotating rod III is connected to the middle position of the bearing plate, and the bearing plate is connected to a sun simulation ball through the electric rotating rod III. The electric rotating rod I, the electric rotating rod II, and the electric rotating rod III are connected to a plug through an electric wire, and then connected to an external circuit. A switch is arranged on the electric wire; the application has the following beneficial effects: it is convenient to use, facilitates teaching demonstration, and avoids the occurrence of waste of electric power resources.

[0004] In view of the above related technology, the demonstration device cannot provide a very stable connection only through the suction cup during use, and during the recycling of the demonstration device, due to the adsorption of the suction cup, the recycling process is very inconvenient and cumbersome. Therefore, there is an urgent need for a fully automatic demonstration device capable of realizing the rotation and revolution of the earth to solve the above technical problems. Summary of the Invention

[0005] In order to make the demonstration device more stable during use and make the recycling process more convenient, the present invention provides a fully automatic demonstration device capable of realizing the rotation and revolution of the earth.

[0006] The present invention provides a fully automatic demonstration device capable of realizing the rotation and revolution of the earth, adopting the following technical solutions: A fully automatic demonstration device that can simulate the rotation and revolution of the earth, including a support base. A rotating plate is horizontally arranged above the support base. A rotating motor is arranged inside the support base, and the output shaft of the rotating motor is fixedly connected to the rotating plate. A fixed base is arranged on the upper end surface of the rotating plate, and a sun simulation ball is arranged above the fixed base. A first motor is arranged inside the fixed base, and the output shaft of the first motor is coaxially and fixedly connected to the sun simulator. A support platform is arranged at one end of the rotating plate, and a second motor is obliquely arranged on the support platform. The output shaft of the second motor passes through the support platform and is coaxially and fixedly connected to an earth simulation ball. The earth simulation ball is obliquely arranged on the side of the support platform away from the rotating plate. A through groove is opened at the bottom end of the support base. A rotating screw is vertically arranged in the through groove of the support base. An adsorption sheet is arranged in the through groove of the support base. The size of the adsorption sheet is the same as that of the through groove. Two limiting grooves are opened on both sides of the through groove of the support base. Two limiting blocks are fixedly connected to the outer side of the adsorption sheet. The adsorption sheet is threadedly connected to the rotating screw. The two limiting blocks are located at the two limiting grooves. A driving member for driving the rotating screw is connected to the support base.

[0007] By adopting the above technical solution, when the demonstration device needs to be used to demonstrate for students, the staff first place the device on the display tabletop, and then rotate the rotating screw through the driving member. The rotation of the rotating screw will drive the adsorption sheet to move upward, thereby changing the air pressure in the through groove and forming an air pressure difference with the outside, so as to achieve a better adsorption effect, make the support base adsorbed on the display tabletop and not easy to fall off. Then start the first motor, the second motor and the driving motor respectively, and carry out the process of demonstrating the revolution and rotation of the earth according to the situation; when it needs to be recycled, the staff start the driving member again, the driving member drives the adsorption sheet to move downward, adjust the air pressure in the through groove, and balance the internal and external air pressures, so as to facilitate taking the device, which is beneficial to improving the comfort of the user and is very convenient.

[0008] Optionally, the driving member includes a rotating ring. The rotating ring is rotatably connected above the support base. A connecting seat is arranged above the rotating ring, and the rotating ring is rotatably connected to the connecting seat. First convex rings and second convex rings are respectively arranged circumferentially on the upper end surface and the lower end surface of the rotating ring. A first groove is circumferentially opened on the upper end surface of the support base. A second groove is circumferentially opened on the lower end surface of the connecting seat. The first convex ring is located at the first groove, and the second convex ring is located at the second groove. The rotating ring is coaxially and fixedly connected to the rotating screw, and the rotating motor is arranged inside the connecting seat.

[0009] By adopting the above technical solution, when rotating the rotating screw through the driving member, the staff first place the support base on the tabletop, then hold the connecting seat tightly with one hand downward, and rotate the rotating ring with the other hand, so as to achieve the fixing effect of the support base, which is convenient for operation and beneficial to improving work efficiency.

[0010] Optionally, extension plates are telescopically arranged on both sides of the rotating plate, and the support platform is arranged on any one of the extension plates. A connecting groove is formed in the lower surface of the end of the extension plate away from the rotating plate. A connecting rod is arranged below the connecting groove. One end of the connecting rod is located at the connecting groove of the extension plate, and the other end is connected with an adjusting rod. The end of the adjusting rod away from the connecting rod is movably connected in the support seat. The top end of the rotating screw is coaxially and fixedly connected with a synchronous wheel. Adjusting screws are connected to both sides of the synchronous wheel through bevel gear pairs. The adjusting rod is threadedly connected with the adjusting screw.

[0011] By adopting the above technical solution, when the device needs to be used, the staff will drive the synchronous wheel to rotate during the process of rotating the rotating ring. The rotation of the synchronous wheel drives the adjusting screw to rotate, so that the two adjusting rods extend outwards, and under the clamping relationship between the connecting rod and the connecting groove, the extension plate is driven to extend outwards; after the use is completed, the rotating ring is rotated in the reverse direction to retract the extension plate, which can save the occupied space and avoid accidental damage, and is beneficial to improving the safety of the device.

[0012] Optionally, clamping grooves are formed in the interiors of both sides of the rotating plate, clamping blocks are arranged at the ends of the extension plates close to the rotating plate, and connecting springs are arranged between the clamping blocks and the extension plates. When the extension plate moves to the farthest end, the clamping block is located at the clamping groove.

[0013] By adopting the above technical solution, when the extension plate extends outwards, the clamping block will be clamped at the clamping groove of the rotating plate under the action of the connecting spring and is not easy to shake, which is beneficial to improving the stability of the device.

[0014] Optionally, the upper end surface of the clamping block is set as an inclined surface, and the inclined surface is inclined to facilitate the recovery of the extension plate.

[0015] By adopting the above technical solution, when the extension plate needs to be reset, due to the setting of the inclined surface, its recovery process is more convenient and does not require manual intervention, which is beneficial to improving work efficiency.

[0016] Optionally, a support pad is fixedly connected to the bottom end of the support seat.

[0017] By adopting the above technical solution, by setting the support pad, the contact area between the support seat and the tabletop is further increased, which is beneficial to providing a better support effect.

[0018] Optionally, the support pad is made of rubber material.

[0019] By adopting the above technical solution, by adopting the rubber material, the adsorption effect can be improved, which is beneficial to improving the stability of the device.

[0020] In summary, the present invention includes at least one of the following beneficial technical effects: 1. By setting up a support base, a rotating plate, a rotating motor, a fixed base, a sun simulation ball, a first motor, a support platform, a second motor, an earth simulation ball, an adsorption sheet, a limit block and a driving member, when the demonstration device needs to be used for students' demonstration, the staff first place the device on the display tabletop, and then rotate the rotating screw through the driving member. The rotation of the rotating screw will drive the adsorption sheet to move upward, thereby changing the air pressure in the through groove and forming an air pressure difference with the outside world, so as to achieve a better adsorption effect, making the support base adsorbed on the display tabletop and not easy to fall off. Then start the first motor, the second motor and the driving motor respectively, and carry out the process of demonstrating the revolution and rotation of the earth according to the situation; when recycling, the staff start the driving member again, and the driving member drives the adsorption sheet to move downward, adjusting the air pressure in the through groove to balance the internal and external air pressures, so as to facilitate the taking of the device, which is beneficial to improving the comfort of the user and is very convenient; 2. By setting up an extension plate, a connection groove, a connecting rod, an adjusting rod, a synchronous pulley and an adjusting screw, when the device needs to be used, the staff will drive the synchronous pulley to rotate during the process of rotating the rotating ring. The rotation of the synchronous pulley drives the adjusting screw to rotate, so that the two adjusting rods extend outward, and under the clamping relationship between the connecting rod and the connection groove, the extension plate is driven to extend outward; after use, reverse-rotate the rotating ring to retract the extension plate, which can save the occupied space and avoid accidental damage, and is beneficial to improving the safety of the device. Description of the Drawings

[0021] Figure 1 is the overall structural schematic diagram of a fully automatic demonstration device that can realize the rotation and revolution of the earth.

[0022] Figure 2 is the sectional structural schematic diagram of a fully automatic demonstration device that can realize the rotation and revolution of the earth.

[0023] Figure 3 is Figure 2 the enlarged view of part A in

[0024] Description of the reference numerals: 1, support assembly; 11, support base; 12, support pad; 13, rotating plate; 131, extension plate; 132, connection groove; 133, connecting rod; 134, adjusting rod; 135, synchronous pulley; 136, adjusting screw; 137, clamping groove; 138, clamping block; 139, connecting spring; 2, demonstration assembly; 21, sun simulation ball; 22, earth simulation ball; 23, connection seat; 24, rotating motor; 25, fixed base; 251, first motor; 26, support platform; 261, second motor; 3, fixed assembly; 31, driving member; 311, rotating ring; 312, first convex ring; 313, second convex ring; 314, first groove; 315, second groove; 32, rotating screw; 33, adsorption sheet; 331, limit groove; 332, limit block; 34, through groove. Detailed Implementation Modes

[0025] The present invention will be further described in detail below in conjunction with all the accompanying drawings.

[0026] An embodiment of the present invention discloses a fully automatic demonstration device that can realize the rotation and revolution of the earth.

[0027] Refer to Figure 1 and Figure 2 A fully automatic demonstration device that can realize the rotation and revolution of the earth includes a support assembly 1, a demonstration assembly 2, and a fixing assembly 3. The support assembly 1 is connected to the fixing assembly 3, and the demonstration assembly 2 is connected to the support assembly 1. The support assembly 1 supports and fixes other components of the device, the demonstration assembly 2 demonstrates the revolution and rotation of the earth, and the fixing assembly 3 fixes the position of the support assembly 1.

[0028] Refer to Figure 1 and Figure 2 The support assembly 1 includes a support base 11 and a support pad 12 circumferentially arranged at the bottom end of the support base 11. The support base 11 is vertically arranged, a rotating plate 13 is arranged above the support base 11, the demonstration assembly 2 is arranged on the upper end surface of the rotating plate 13, and the support pad 12 is made of rubber material and has a good adsorption effect. By arranging the support pad 12, the contact area between the support base 11 and the tabletop is further increased, which is beneficial to providing a better support effect.

[0029] Refer to Figure 1 and Figure 2 The demonstration assembly 2 includes a sun simulation ball 21 and an earth simulation ball 22. A connecting seat 23 is horizontally arranged above the support base 11. A rotating motor 24 is arranged in the connecting seat 23. The output shaft of the rotating motor 24 is fixedly connected to the rotating plate 13. A fixing seat 25 is arranged on the upper end surface of the rotating plate 13. The sun simulation ball 21 is arranged above the fixing seat 25. A first motor 251 is arranged in the fixing seat 25. The output shaft of the first motor 251 is coaxially and fixedly connected to the sun simulator. One end of the rotating plate 13 is provided with a support platform 26. A second motor 261 is inclinedly arranged on the support platform 26. The output shaft of the second motor 261 passes through the support platform 26 and is coaxially and fixedly connected to the earth simulation ball 22. The earth simulation ball 22 is inclinedly arranged on the side of the support platform 26 away from the rotating plate 13.

[0030] Refer to Figure 1 and Figure 2 When it is necessary to demonstrate the rotation or revolution of the earth, the staff starts the first motor 251, the rotating motor 24, and the second motor 261 according to the situation, respectively realizing the rotation of the earth simulation ball 22, the rotation of the sun simulation ball 21, and the rotation of the earth simulation ball 22 around the sun simulation ball 21, which is convenient for operation and convenient for students to learn.

[0031] Refer to Figure 1 and Figure 2, the fixing component 3 includes a driving member 31, a rotating screw 32 and an adsorption sheet 33. The driving member 31 is arranged between the connecting seat 23 and the supporting seat 11. A through groove 34 is formed at the bottom end of the supporting seat 11. The rotating screw 32 is vertically arranged in the through groove 34 of the supporting seat 11 vertically. The adsorption sheet 33 is located in the through groove 34 of the supporting seat 11. The size of the adsorption sheet 33 is the same as that of the through groove 34. Two limiting grooves 331 are formed on both sides of the through groove 34 of the supporting seat 11. Two limiting blocks 332 are fixedly connected to the outer side of the adsorption sheet 33. The adsorption sheet 33 is threadedly connected with the rotating screw 32. The two limiting blocks 332 are located at the two limiting grooves 331. The driving member 31 is used to drive the rotating screw 32 to rotate.

[0032] Refer to Figure 1 and Figure 2 , when the demonstration device needs to be used to demonstrate for students, the staff first place the device on the display tabletop, and then drive the rotating screw 32 to rotate through the driving member 31. The rotation of the rotating screw 32 will drive the adsorption sheet 33 to move upward, thereby changing the air pressure in the through groove 34 and forming an air pressure difference with the outside world, so as to achieve a better adsorption effect, make the supporting seat 11 adsorb on the display tabletop and is not easy to fall off. Then start the first motor 251, the second motor 261 and the driving motor respectively, and carry out the process of demonstrating the revolution and rotation of the earth according to the situation; when recycling, the staff start the driving member 31 again, and the driving member 31 drives the adsorption sheet 33 to move downward, adjust the air pressure in the through groove 34, and balance the internal and external air pressures, so as to facilitate taking the device, which is beneficial to improving the comfort of the user and is very convenient.

[0033] Refer to Figure 1 and Figure 2 , the driving member 31 includes a rotating ring 311. The rotating ring 311 is rotatably connected above the supporting seat 11. The rotating ring 311 is rotatably connected below the connecting seat 23. The upper end surface and the lower end surface of the rotating ring 311 are respectively provided with a first convex ring 312 and a second convex ring 313 in the circumferential direction. The upper end surface of the supporting seat 11 is provided with a first groove 314 in the circumferential direction. The lower end surface of the connecting seat 23 is provided with a second groove 315 in the circumferential direction. The first convex ring 312 is located at the first groove 314. The second convex ring 313 is located at the second groove 315. The rotating ring 311 is coaxially and fixedly connected with the rotating screw 32. The rotating motor 24 is arranged in the connecting seat 23. When the driving member 31 is used to rotate the rotating screw 32, the staff first place the supporting seat 11 on the tabletop, then hold the connecting seat 23 tightly with one hand downward, and rotate the rotating ring 311 with the other hand, so as to achieve the fixing effect of the supporting seat 11, which is convenient for operation and beneficial to improving work efficiency.

[0034] Refer to Figure 1 and Figure 2, extension plates 131 are telescopically arranged on both sides of the rotating plate 13, the support platform 26 is arranged on any one of the extension plates 131, a connection groove 132 is formed on the lower surface of the end of the extension plate 131 far from the rotating plate 13, a connecting rod 133 is arranged below the connection groove 132, one end of the connecting rod 133 is located at the connection groove 132 of the extension plate 131, the other end is connected with an adjusting rod 134, and the end of the adjusting rod 134 far from the connecting rod 133 is movably connected in the support seat 11. The top end of the rotating screw 32 is coaxially and fixedly connected with a synchronous wheel 135, and adjusting screws 136 are connected to both sides of the synchronous wheel 135 through bevel gear pairs. The adjusting rod 134 is threadedly connected with the adjusting screw 136.

[0035] Refer to Figure 1 and Figure 2 , when the device needs to be used, the staff will drive the synchronous wheel 135 to rotate during the process of rotating the rotating ring 311. The rotation of the synchronous wheel 135 drives the adjusting screw 136 to rotate, so that the two adjusting rods 134 extend outwards. Under the clamping relationship between the connecting rod 133 and the connection groove 132, the extension plate 131 is driven to extend outwards; after use, reverse-rotate the rotating ring 311 to retract the extension plate 131, which can save occupied space, avoid accidental damage, and is beneficial to improving the safety of the device.

[0036] Refer to Figure 1 , Figure 2 and Figure 3 , clamping grooves 137 are formed inside both sides of the rotating plate 13, clamping blocks 138 are arranged at the ends of the extension plates 131 close to the rotating plate 13, a connecting spring 139 is arranged between the clamping blocks 138 and the extension plates 131. When the extension plate 131 moves to the farthest end, the clamping block 138 is located at the clamping groove 137, and the upper end surface of the clamping block 138 is set as an inclined surface, and the inclined surface is inclined.

[0037] Refer to Figure 1 , Figure 2 and Figure 3 , when the extension plate 131 extends outwards, the clamping block 138 will be clamped at the clamping groove 137 of the rotating plate 13 under the action of the connecting spring 139 and is not easy to shake, which is beneficial to improving the stability of the device; when the extension plate 131 needs to be reset, due to the setting of the inclined surface, its recovery process is more convenient and does not require manual intervention, which is beneficial to improving work efficiency.

[0038] The implementation principle of a demonstration device for a fully automatic demonstration of the rotation and revolution of the earth in an embodiment of the present invention is as follows: When the demonstration device needs to be used to demonstrate for students, the staff first place the device on the display tabletop, then hold the connecting seat 23 tightly downward with one hand, and rotate the rotating ring 311 with the other hand to rotate the rotating screw 32. The rotation of the rotating screw 32 will drive the adsorption sheet 33 to move upward, thereby changing the air pressure in the through groove 34 and forming an air pressure difference with the outside world, so as to achieve a better adsorption effect, make the support seat 11 adsorbed on the display tabletop and not easy to fall off. Then, start the first motor 251, the second motor 261 and the driving motor respectively, and carry out the process of demonstrating the revolution and rotation of the earth according to the situation; When recycling is needed, the staff rotate the rotating ring 311 in the reverse direction, and the driving member 31 drives the adsorption sheet 33 to move downward, adjusting the air pressure in the through groove 34 to balance the internal and external air pressures, so as to facilitate the taking of the device, which is beneficial to improving the comfort of the user and is very convenient.

[0039] The above are all the preferred embodiments of the present invention, and the protection scope of the present invention is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A fully automatic demonstration device capable of realizing the rotation and revolution of the earth, comprising a support base (11), characterized in that: A rotating plate (13) is horizontally arranged above the support seat (11), a rotating motor (24) is arranged inside the support seat (11), an output shaft of the rotating motor (24) is fixedly connected to the rotating plate (13), a fixing seat (25) is arranged on the upper end surface of the rotating plate (13), a solar simulation ball (21) is arranged above the fixing seat (25), a first motor (251) is arranged inside the fixing seat (25), an output shaft of the first motor (251) is coaxially fixedly connected to the solar simulator, a supporting platform (26) is arranged at one end of the rotating plate (13), a second motor (261) is obliquely arranged on the supporting platform (26), an output shaft of the second motor (261) passes through the supporting platform (26) and is coaxially fixedly connected to the earth simulation ball (22), and the earth simulation ball (22) is obliquely arranged A through slot (34) is provided at the bottom end of the support seat (11) on a side of the support platform (26) away from the rotating plate (13), a rotating screw (32) is vertically provided in the through slot (34) of the support seat (11), an adsorption sheet (33) is provided in the through slot (34) of the support seat (11), the size of the adsorption sheet (33) is consistent with the size of the through slot (34), two limiting slots (331) are provided on both sides of the through slot (34) of the support seat (11), two limiting blocks (332) are fixedly connected to the outer side of the adsorption sheet (33), the adsorption sheet (33) is threadedly connected to the rotating screw (32), the two limiting blocks (332) are located at the two limiting slots (331), and a driving member (31) for driving the rotating screw (32) is connected to the support seat (11).

2. A fully automatic demonstration device capable of realizing the rotation and revolution of the earth according to claim 1, characterized in that: The driving member (31) comprises a rotating ring (311), the rotating ring (311) being rotatably connected to the top of the support seat (11), a connecting seat (23) being provided above the rotating ring (311), the rotating ring (311) being rotatably connected to the connecting seat (23), the upper end surface and the lower end surface of the rotating ring (311) being circumferentially provided with a first convex ring (312) and a second convex ring (313), respectively, the upper end surface of the support seat (11) being circumferentially provided with a first groove (314), the lower end surface of the connecting seat (23) being circumferentially provided with a second groove (315), the first convex ring (312) being located at the first groove (314), the second convex ring (313) being located at the second groove (315), the rotating ring (311) being coaxially fixedly connected to the rotating screw (32), and the rotating motor (24) being provided in the connecting seat (23).

3. A fully automatic demonstration device capable of realizing the earth's rotation and revolution according to claim 2, characterized in that: Extension plates (131) are telescopically provided on both sides of the rotating plate (13), and the support platform (26) is provided on any of the extension plates (131). A connection groove (132) is provided on the lower surface of one end of the extension plate (131) away from the rotating plate (13), and a connecting rod (133) is provided below the connecting groove (132). One end of the connecting rod (133) is located at the connecting groove (132) of the extension plate (131), and the other end is connected to an adjusting rod (134). One end of the adjusting rod (134) away from the connecting rod (133) is movably connected to the support seat (11), and the top end of the rotating screw rod (32) is coaxially fixedly connected to a synchronous wheel (135), and both sides of the synchronous wheel (135) are connected to adjusting screw rods (136) via a bevel gear pair, and the adjusting rod (134) is threadedly connected to the adjusting screw rod (136).

4. A fully automatic demonstration device capable of realizing the earth's rotation and revolution according to claim 3, characterized in that: Clamping grooves (137) are provided inside both sides of the rotating plate (13), and a clamping block (138) is provided at one end of the extension plate (131) close to the rotating plate (13). A connecting spring (139) is provided between the clamping block (138) and the extension plate (131). When the extension plate (131) moves to the farthest end, the clamping block (138) is located at the clamping groove (137).

5. A fully automatic demonstration device capable of realizing the earth's rotation and revolution according to claim 4, characterized in that: The upper end surface of the clamping block (138) is arranged as an inclined surface, and the inclined surface is arranged at an angle to facilitate the recovery of the extension plate (131).

6. A fully automatic demonstration device capable of realizing the earth's rotation and revolution according to claim 1, characterized in that: A support pad (12) is fixedly connected to the bottom end of the support seat (11).

7. A fully automatic demonstration device capable of realizing the rotation and revolution of the earth according to claim 6, characterized in that: The support pad (12) is made of rubber material.

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