CN218547795U

CN218547795U - Two-ball prototype instrument teaching aid

Info

Publication number: CN218547795U
Application number: CN202222061439.8U
Authority: CN
Inventors: 邱有良
Original assignee: Ningbo Bainuo Science And Education Equipment Co ltd
Current assignee: Ningbo Bainuo Science And Education Equipment Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-02-28
Anticipated expiration: 2032-08-08

Abstract

The utility model belongs to the technical field of geography experiment teaching aid technique and specifically relates to a two ball prototype appearance teaching aid, the on-line screen storage device comprises a base, the inboard sliding connection of base has the installation pole, the top fixedly connected with second dwang of installation pole, the top side of second dwang is provided with sun appearance, the outside fixedly connected with axis of rotation of second dwang, the outside fixedly connected with bearing of axis of rotation, the inboard of bearing is provided with the inner circle, and the axis of rotation through with the inner circle fixed and with bearing fixed connection, the outside fixedly connected with connecting rod of bearing, the utility model discloses the block of the different draw-in grooves of well kelly and snap ring guarantees that third gear and second gear mesh or separation do not rotate when realizing the globe revolution under first gear and the driven cooperation of second gear mesh or rotation, and sun appearance reliable rotation when the bearing guarantees to promote the base realizes the reliable experiment of the different situations of earth around the sun revolution or rotation, increases the practicality of device.

Description

Two-ball prototype instrument teaching aid

Technical Field

The utility model relates to a geography experiment teaching aid technical field specifically is a two ball prototype appearance teaching aid.

Background

The earth rotates around the sun while revolving, the earth rotation generates day and night change on the earth, the earth revolution causes four seasons alternation, the earth revolution is that the earth must rotate around the sun due to the gravity of the sun, and the centrifugal force of the revolution is balanced with the gravity of the sun, so that the earth cannot fall on the sun and be burnt.

The geography discipline needs to perform simulation experiments of revolution or rotation of the earth when learning knowledge of revolution and revolution of the earth, deepens students to understand the revolution or rotation of the earth, and needs to perform simulation experiments of revolution of the earth around the sun, simultaneous rotation of the earth around the sun during revolution, and rotation of the sun under two conditions during the experiments.

Disclosure of Invention

An object of the utility model is to provide a two ball prototype appearance teaching aids to solve the problem of experimental simulation under the different situations of the revolution of the earth and rotation that provide among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a two ball prototype appearance teaching aid, includes the base, the inboard sliding connection of base has the installation pole, the top fixedly connected with second dwang of installation pole, the top side of second dwang is provided with sun appearance, the outside fixedly connected with axis of rotation of second dwang, the outside fixedly connected with bearing of axis of rotation, the inboard of bearing is provided with the inner circle, and the axis of rotation through with the inner circle fixed and with bearing fixed connection, the outside fixedly connected with connecting rod of bearing, the top fixedly connected with carousel of connecting rod, and the carousel rotates with the second dwang to be connected, the inboard fixedly connected with set casing in rear end of carousel, the top sliding connection of set casing has the dop, the inboard rotation of dop is connected with first dwang, the top side of first dwang is provided with the globe, the outside fixedly connected with third gear of first dwang, and the third gear is located the inboard of dop, the front end meshing of third gear has the second dwang, and the second gear rotates with the carousel to be connected, the outside fixedly connected with first gear of second dwang, and first gear merges the inboard of carousel with the first gear, the bottom fixedly connected with the dop of first gear, the clamping bar outside fixed connection plate of clamping bar, the clamping ring is connected with the snap ring, the snap ring outside fixed connection plate of clamping bar, and the snap ring is connected with the snap ring, the snap ring is connected with the snap ring, and the snap ring is connected with the snap ring, the snap ring outside fixed connection plate, the snap ring is all the snap ring of snap ring, and the snap ring is connected with the snap ring.

Preferably, the equal fixedly connected with bracing piece in bottom of globe and sun appearance, the bottom face of bracing piece laminates with first dwang and second dwang respectively each other, the bottom outside screwed connection of bracing piece has the go-between, and the go-between respectively with first dwang and second dwang screwed connection, the bottom fixedly connected with cardboard of bracing piece, and the cardboard respectively with first dwang and second dwang sliding connection, the top fixedly connected with button of base, the left end fixedly connected with inserted bar of button, the left end fixedly connected with guide bar of inserted bar, and inserted bar and installation pole sliding connection.

Preferably, the right-hand member inboard of installation pole evenly is provided with the jack, and the inserted bar passes through jack and installation pole sliding connection, the button is electrical components shift knob's mechanical transmission structure, the guide bar is the frustum, the right-hand member disc of frustum is the same with the circle cross-section radius of inserted bar, the area of guide bar from left to right circle cross-section increases in proper order.

Preferably, the front portion and the rear portion of snap ring all are provided with the draw-in groove, and elastic sleeve and kelly all are located the draw-in groove, the centre of snap ring is provided with the spout, the width of spout is the same with the diameter length of kelly, the snap ring is the elastic ring.

Preferably, the outer side of the first rotating rod is provided with a frosting layer, and the frosting layer is attached to the clamping head.

Preferably, the globe has a volume smaller than a solar instrument, and the solar instrument is positioned right above the base.

Preferably, the connecting rods outside the bearing are uniformly distributed and fixedly connected with the bearing, and the other ends of the connecting rods are fixedly connected with the turntable.

Preferably, the bottom outside of bracing piece is provided with the external screw thread, and the go-between passes through external screw thread and bracing piece screwed connection, the bottom inboard of go-between is provided with the internal thread, and the go-between passes through internal thread and first dwang or second dwang screwed connection respectively.

Preferably, a rotating shaft is arranged on the inner side of the second gear, and the second gear is rotatably connected with the rotating disc through the rotating shaft.

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

1. the utility model discloses in, snap ring through setting up, the elastic sleeve, the kelly, first gear, the second gear, the third gear, the dop, the set casing, a bearing, the connecting rod, the inner circle, first dwang and second dwang, can guarantee that the globe carries out the reliable experiment of rotation or different situations of revolution around the sun appearance, the block of the different draw-in grooves of kelly and snap ring guarantees third gear and second gear meshing or separation, do not rotation or rotation when realizing the globe revolution under first gear and the driven cooperation of second gear meshing, the reliable rotation of sun appearance when the bearing guarantees to promote the base, realize the earth around the reliable experiment of sun revolution or the different situations of rotation, increase device's practicality.

2. The utility model discloses in, go through the go-between that sets up, the cardboard, the bracing piece, a button, the inserted bar, guide bar and installation pole, can deduce the sun and carry out the different situation of revolution or rotation around the earth, guarantee the convenient adjustment of globe and sun appearance height simultaneously, guarantee different height students' reliable experiment, the go-between guarantees the change position with the convenient taking off of the screwed connection assurance globe and the sun appearance of bracing piece and dwang respectively, realize the sun and carry out the different situation of revolution or rotation around the earth, the button drives the inserted bar simultaneously and inserts the convenient adjustment of two ball heights of the not co-altitude jack assurance of installation pole, the practicality of device is increased.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is a schematic view of the mounting structure of the first gear of the present invention;

FIG. 5 is a schematic view of the structure of FIG. 4 according to the present invention at position C;

fig. 6 is a schematic view of the mounting structure of the bearing in the present invention;

fig. 7 is a schematic view of the installation structure of the middle guide rod of the present invention.

In the figure: 1-globe, 2-sun instrument, 3-base, 4-mounting rod, 5-fixed shell, 6-chuck, 7-first rotating rod, 8-supporting rod, 9-connecting ring, 10-second rotating rod, 11-rotating disk, 12-connecting rod, 13-bearing, 14-clamping plate, 15-inserting rod, 16-button, 17-first gear, 18-clamping rod, 19-second gear, 20-third gear, 21-rotating shaft, 22-clamping ring, 23-guide rod, 24-elastic sleeve, 25-connecting plate and 26-inner ring.

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. 1-7, the present invention provides a technical solution:

the utility model provides a two ball prototype appearance teaching aid, including base 3, the inboard sliding connection of base 3 has installation pole 4, the top fixedly connected with second dwang 10 of installation pole 4, the top side of second dwang 10 is provided with sun appearance 2, the outside fixedly connected with axis of rotation 21 of second dwang 10, the outside fixedly connected with bearing 13 of axis of rotation 21, the inboard of bearing 13 is provided with inner circle 26, and axis of rotation 21 is through fixed with inner circle 26 and with bearing 13 fixed connection, the outside fixedly connected with connecting rod 12 of bearing 13, the top fixedly connected with carousel 11 of connecting rod 12, and carousel 11 rotates with second dwang 10 to be connected, the inboard fixedly connected with set casing 5 in rear end of carousel 11, the top sliding connection of set casing 5 has dop 6, the inboard rotation of dop 6 is connected with first dwang 7, the top side of first dwang 7 is provided with globe 1, the outside fixedly connected with third gear 20 of first dwang 7, and third gear 20 is located the inboard of dop 6, the front end meshing of third gear 20 has second gear 19, and second gear 19 rotates with carousel 11 to be connected, the outside fixed connection of second dwang 10 is connected with the outside fixed connection of second dwang 17, and the inboard fixed connection of snap ring 18, and snap ring 24 of snap ring 18, the inboard fixed connection of snap ring 18 is connected with snap ring of snap ring 18, the snap ring 5, the snap ring of snap ring 18 is connected with snap ring 18, the snap ring 24 of snap ring 18, the snap ring 18.

The bottom ends of the globe 1 and the sun instrument 2 are fixedly connected with a support rod 8, the bottom end face of the support rod 8 is respectively attached to the first rotating rod 7 and the second rotating rod 10, the outer side of the bottom end of the support rod 8 is spirally connected with a connecting ring 9, the connecting ring 9 is respectively spirally connected with the first rotating rod 7 and the second rotating rod 10, the bottom end of the support rod 8 is fixedly connected with a clamping plate 14, the clamping plate 14 is respectively connected with the first rotating rod 7 and the second rotating rod 10 in a sliding mode, the top end of the base 3 is fixedly connected with a button 16, the left end of the button 16 is fixedly connected with an inserting rod 15, the left end of the inserting rod 15 is fixedly connected with a guide rod 23, and the inserting rod 15 is connected with the installation rod 4 in a sliding mode; jacks are uniformly arranged on the inner side of the right end of the installation rod 4, the insertion rod 15 is connected with the installation rod 4 in a sliding mode through the jacks, the button 16 is a mechanical transmission structure of an electric element switch button, the guide rod 23 is a frustum, the radius of the right end circular surface of the frustum is the same as that of the circular section of the insertion rod 15, the areas of the circular sections of the guide rod 23 from left to right are sequentially increased, and the convenient adjustment of the heights of the globe 1 and the sun instrument 2 is guaranteed in the using process; the front part and the rear part of the snap ring 22 are provided with snap grooves, the elastic sleeve 24 and the clamping rod 18 are positioned in the snap grooves, a sliding groove is arranged in the middle of the snap ring 22, the width of the sliding groove is the same as the diameter and the length of the clamping rod 18, the snap ring 22 is an elastic ring, the reliable limiting of the clamping head 6 after the globe 1 moves to a preset position is ensured in the using process, and meanwhile, the relative reliable movement of the clamping rod 18 and the snap ring 22 is ensured; a frosted layer is arranged on the outer side of the first rotating rod 7 and is attached to the chuck 6, and the frosted surface increases the friction force between the first rotating rod 7 and the chuck 6 in the use process, so that the globe 1 is ensured to rotate reliably and not to rotate; the volume of the globe 1 is smaller than that of the sun instrument 2, and the sun instrument 2 is positioned right above the base 3; the connecting rods 12 outside the bearings 13 are uniformly distributed and fixedly connected with the bearings 13, the other ends of the connecting rods 12 are fixedly connected with the rotary table 11, the reliable fixation of the rotary table 11 and the bearings 13 is ensured in the using process, and then when the rotary table 11 and the base 3 rotate in opposite directions simultaneously, the globe 1 and the sun instrument 2 rotate; the outer side of the bottom end of the supporting rod 8 is provided with an external thread, the connecting ring 9 is in threaded connection with the supporting rod 8 through the external thread, the inner side of the bottom end of the connecting ring 9 is provided with an internal thread, the connecting ring 9 is in threaded connection with the first rotating rod 7 or the second rotating rod 10 through the internal thread respectively, and the connecting ring 9 is in threaded connection with the supporting rod 8, the first rotating rod 7 and the second rotating rod 10 respectively in the using process to ensure convenient replacement of the positions of the sun instrument 2 and the globe 1; the inner side of the second gear 19 is provided with a rotating shaft, and the second gear 19 is rotatably connected with the rotating disc 11 through the rotating shaft, so that the reliable rotation of the second gear 19 is ensured in the using process.

The working process comprises the following steps: the utility model discloses a reliable experiment that the globe 1 carries out rotation or revolution different situation around sun appearance 2 can be guaranteed to the device, when need to demonstrate the earth and revolve round the sun and not the rotation in the use, outside promotes dop 6 and drives first rotation pole 7 and third gear 20 and move backward, drive clamping bar 18 and move backward simultaneously, clamping bar 18 withdraws from the anterior draw-in groove of snap ring 22 under the cooperation of elastic sleeve 24 and elastic snap ring 22, and along with dop 6 moves the draw-in groove at the rear of slip ring 22 backward, simultaneously first rotation pole 7 can not rotate under the cooperation of outside dull polish layer, promote carousel 11 to rotate around sun appearance 2 to globe 1 under the cooperation of second rotation pole 10 and carousel 11 rotation connection and first gear 17 and the meshing transmission of second gear 19, base 3 and ground laminating guarantee that fixedly connected second rotation pole 10 and first gear 17 are reliably fixed, realize the experiment of earth revolving round the sun appearance, when needing to demonstrate the experiment of earth and sun simultaneously revolution round the rotation round the sun, carousel 11 and base 3 rotate simultaneously, rotation pole 21 and base 3 and second gear 10 fixed connection respectively with the revolution pole 10 and first gear 17 and reliable rotation pole 2 and the rotation pole and the slip ring 10 and the rotation pole and the snap ring 10 and the rotation ring 22 and the rotation round the snap ring 22, reliable experiment of the revolution round the slip ring 10 and the slip ring 22 and the revolution round the slip ring 10, it drives the revolution round the slip ring 10, it is connected to pass through the slip ring 12 before the slip ring 10, it is guaranteed to move round the slip ring 12 before the slip ring 12, the slip ring 12 and the revolution round the slip ring 22, when the rotary disk 11 drives the second gear 19 to rotate in a meshing manner with the first gear 17, the second gear 19 drives the third gear 20 to rotate, so that the rotary disk 11 is pushed to rotate to perform an experiment that the earth revolves around the sun and also rotates around the sun, an experiment that the earth revolves around the sun and the sun also rotates around the sun needs to be performed, the rotary disk 11 and the base 3 are rotated in the opposite direction, in addition, different situations that the sun revolves around the earth or rotates around the earth can be performed, meanwhile, the convenient adjustment of the heights of the globe 1 and the sun 2 is ensured, the reliable experiments of students with different heights are ensured, when the sun revolves around the earth needs to be performed, the connecting ring 9 is rotated off the first rotating rod 7 under the matching of the spiral connection of the rear connecting ring 9 and the supporting rod 8 and the first rotating rod 7 respectively, and the globe 1 is taken off under the matching of the sliding connection of the clamping plate 14 and the first rotating rod 7, similarly, when the sun needs to revolve around the earth after the installation is finished, the chuck 6 is pushed backwards to drive the solar instrument 2 to move backwards, the turntable 11 is pushed to revolve around the earth, when the earth rotates while the sun needs to revolve around the earth, the turntable 11 and the base 3 are rotated simultaneously in the opposite direction, when the sun needs to revolve around the earth and rotate, the chuck 6 is pushed forwards to drive the solar instrument 2 to move forwards, the turntable 11 is pushed to drive the solar instrument 2 to rotate, the earth also rotates when the sun needs to revolve around the earth and rotate, the turntable 11 and the base 3 are rotated simultaneously in the opposite direction, when the heights of two spheres need to be adjusted, the button 16 is pushed from right to left to adjust the solar instrument from a pressed state to an un-pressed state, the button 16 drives the inserted link 15 to withdraw from the installation rod 4, the height of the installation rod 4 exposed out of the base 3 is adjusted under the matching of the installation rod 4 and the base 3 in a sliding connection manner, the guide rod 23 of the button 16 is aligned with the nearby jack at the inner side of the right end of the installation rod 4 after being adjusted to a proper position, the button 16 is pressed from right to left to adjust the state from a non-pressed state to a pressed state, the button 16 drives the inserted link 15 to insert into the installation rod 4, and then the button 16 reliably fixes the installation rod 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 two ball prototype appearance teaching aid, includes base (3), its characterized in that: the inboard sliding connection of base (3) has installation pole (4), the top fixedly connected with second dwang (10) of installation pole (4), the top side of second dwang (10) is provided with sun appearance (2), the outside fixedly connected with axis of rotation (21) of second dwang (10), the outside fixedly connected with bearing (13) of axis of rotation (21), the inboard of bearing (13) is provided with inner circle (26), and axis of rotation (21) through fixed and bearing (13) fixed connection with inner circle (26), the outside fixedly connected with connecting rod (12) of bearing (13), the top fixedly connected with carousel (11) of connecting rod (12), and carousel (11) rotate with second dwang (10) and be connected, the inboard fixedly connected with set casing (5) in rear end of carousel (11), the top sliding connection of set casing (5) has dop (6), the inboard rotation of dop (6) is connected with first dwang (7), the top side of first dwang (7) is provided with globe gear (1), the outside fixedly connected with third gear (7) has third gear (20), and there is the inboard meshing of third gear (20), and second gear (19) rotate with carousel (11) and be connected, the outside fixedly connected with first gear (17) of second dwang (10), and first gear (17) mesh with second gear (19) and lie in the inboard of carousel (11), the bottom fixedly connected with kelly (18) of dop (6), the outside of kelly (18) is provided with snap ring (22), the outside fixedly connected with elastic sleeve (24) of kelly (18), and elastic sleeve (24) and snap ring (22) laminating, the equal fixedly connected with connecting plate (25) in both ends about snap ring (22), and connecting plate (25) and set casing (5) fixed connection.

2. A two-ball prototype instrument teaching aid according to claim 1, wherein: the equal fixedly connected with bracing piece in bottom (8) of globe (1) and sun appearance (2), the bottom face of bracing piece (8) laminates with first dwang (7) and second dwang (10) respectively each other, the bottom outside screwed connection of bracing piece (8) has go-between (9), and go-between (9) respectively with first dwang (7) and second dwang (10) screwed connection, the bottom fixedly connected with cardboard (14) of bracing piece (8), and cardboard (14) respectively with first dwang (7) and second dwang (10) sliding connection, the top fixedly connected with button (16) of base (3), the left end fixedly connected with inserted bar (15) of button (16), the left end fixedly connected with guide bar (23) of inserted bar (15), and inserted bar (15) and installation pole (4) sliding connection.

3. A two-ball prototype teaching aid according to claim 2, wherein: the right-hand member inboard of installation pole (4) evenly is provided with the jack, and inserted bar (15) pass through the jack and install pole (4) sliding connection, button (16) are electric elements shift knob's mechanical transmission structure, guide bar (23) are the frustum, the right-hand member disc of frustum is the same with the circle cross-section radius of inserted bar (15), guide bar (23) increase in proper order by the area of left-right circle cross-section.

4. A two-ball prototype instrument teaching aid according to claim 1, wherein: the front portion and the rear portion of snap ring (22) all are provided with the draw-in groove, and elastic sleeve (24) and kelly (18) all are located the draw-in groove, the centre of snap ring (22) is provided with the spout, the width of spout is the same with the diameter length of kelly (18), snap ring (22) are the elastic ring.

5. A two-ball prototype instrument teaching aid according to claim 1, wherein: the outside of first pivot pole (7) is provided with the dull polish layer, and the dull polish layer laminates with dop (6).

6. A two-ball prototype instrument teaching aid according to claim 1, wherein: the size of the globe (1) is smaller than that of the sun instrument (2), and the sun instrument (2) is located right above the base (3).

7. A two-ball prototype instrument teaching aid according to claim 1, wherein: the connecting rods (12) on the outer side of the bearing (13) are uniformly distributed and fixedly connected with the bearing, and the other ends of the connecting rods (12) are fixedly connected with the turntable (11).

8. A two-ball prototype instrument teaching aid according to claim 2, wherein: the bottom outside of bracing piece (8) is provided with the external screw thread, and go-between (9) through external screw thread and bracing piece (8) screwed connection, the bottom inboard of go-between (9) is provided with the internal thread, and go-between (9) respectively through internal thread and first dwang (7) or second dwang (10) screwed connection.

9. A two-ball prototype instrument teaching aid according to claim 1, wherein: the inner side of the second gear (19) is provided with a rotating shaft, and the second gear (19) is rotationally connected with the rotating disc (11) through the rotating shaft.