CN215007214U

CN215007214U - Globe suitable for demonstration day and night condition

Info

Publication number: CN215007214U
Application number: CN202121309544.8U
Authority: CN
Inventors: 李文彬
Original assignee: Huzhou Boda Education Service Center
Current assignee: Huzhou Boda Education Service Center
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-12-03
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a globe suitable for demonstrating alternate round clock conditions, which relates to the technical field of teaching demonstration tools and comprises a base, wherein the upper surface of the base is fixedly provided with a central rotating shaft, the outer surface of the central rotating shaft is fixedly provided with an outer sphere, the upper end and the lower end of the base are respectively fixedly connected with a first support frame and a second support frame, the top end of the outer sphere is provided with a circular notch, the inner side of the circular notch at the top end of the outer sphere is fixedly provided with a first rotating bearing, the first rotating bearing is connected with the outer surface of the central rotating shaft in a sliding way, the bottom end of the outer sphere is also provided with a circular notch, the inner side of the circular notch at the bottom end of the outer sphere is fixedly provided with a second rotating bearing, the globe suitable for demonstrating alternate round clock conditions can more visually and truly show the relationship between earth rotation and alternate round clock when demonstrating, knowing the specific location of the morning and evening line on the earth's surface, the anti-slip rubber can make the rotation of the ball body more stable.

Description

Globe suitable for demonstration day and night condition

Technical Field

The utility model relates to a teaching demonstration apparatus technical field specifically is a globe suitable for demonstration round clock alternate condition.

Background

The globe is the teaching aid that can often be used in the teaching activity, can make the student clear understanding earth's position structure through longitude and latitude and map show similar with the earth proportion, but the globe among the prior art often is through fixing the structure on the support with the pivot with the earth model, and the student often is difficult to imagine real situation when explaining, when demonstrating especially in the relation of alternative round the clock and the earth rotation, and because the globe can rotate along with rocking at will during the demonstration, make the effect not good during the demonstration.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a globe suitable for demonstration round clock alternate condition has solved demonstration earth rotation and is not directly perceived when round clock relation, and the spheroid rotates unstable problem when teaching the demonstration.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a globe suitable for demonstration alternate condition round clock, includes the base, the last fixed surface of base installs central axis of rotation, the outer fixed surface of central axis of rotation installs outer spheroid, the upper and lower both ends of central axis of rotation are first support frame of fixedly connected with and second support frame respectively, circular notch has been seted up on outer spheroidal top, the inboard fixed mounting in circular notch on outer spheroid top has first rolling bearing, first rolling bearing rotates to be connected the surface of central axis of rotation circular notch has equally been seted up to outer spheroidal bottom, the inboard fixed mounting in circular notch of outer spheroid bottom has the second rolling bearing.

As a further technical scheme of the utility model, second rolling bearing's surface sliding connection has the finite slider, the finite slider base of bottom surface fixed connection of finite slider, the lower fixed surface of finite slider base is connected with return spring's one end, return spring's other end fixed connection is in one side of second support frame lower extreme.

As a further technical scheme of the utility model, the outer fixed surface of center axis of rotation installs the spheroid in spheroid and the second in being located the inboard first interior spheroid of outer spheroid, fixedly connected with luminescent light band plate between spheroid in spheroid and the second in the first, luminescent light band plate only one side is the light emitting area.

As a further technical scheme of the utility model, limit slider upper surface be the arc, its arc radian is the same with outer spheroidal surface radian, the limit slider is the anti-skidding rubber material, limit slider and limit slider base all with second rolling bearing sliding connection.

As a further technical scheme of the utility model, the inclination of center axis of rotation is 23.5, the installation angle of luminescent light band plate is vertical angle, spheroid is the transparent plastic material in the first, and the spheroid is light-tight plastic material in the second, spheroid surface all with outer spheroid's internal surface contactless in spheroid and the second in the first.

As a further technical scheme of the utility model, first rolling bearing and the equal rotation of second rolling bearing connect in the outside of center axis of rotation, first rolling bearing and second rolling bearing's surface is all carved with the bevel protractor, the luminescent light band plate supplies power through built-in rechargeable battery.

Advantageous effects

The utility model provides a globe suitable for demonstration round clock alternate condition. Compared with the prior art, the method has the following beneficial effects:

1. a globe suitable for demonstrating the alternate conditions of day and night is characterized in that a central rotation shaft is installed at an inclination angle of 23.5 degrees, and a lamp band light-emitting plate is vertically and fixedly installed on the inner side of a sphere, so that the relationship between earth rotation and alternate conditions of day and night can be displayed more visually and truly during demonstration, and the specific position of a morning and evening line on the surface of the earth can be known.

2. The utility model provides a globe suitable for demonstration alternate condition round clock, through the limit sliding block of sliding connection at second rolling bearing surface, can not rotate the spheroid when explaining at will, the spheroid can not rotate at will, influences the explanation process, and the anti-skidding rubber of limit sliding block surface can make spheroidal rotation more stable.

Drawings

FIG. 1 is a schematic diagram of a globe adapted to demonstrate diurnal alternation;

FIG. 2 is a front view of a globe suitable for demonstrating diurnal alternans;

FIG. 3 is an exploded view of a globe suitable for demonstrating diurnal alternation;

fig. 4 is a structural diagram of a center spinning shaft of a globe suitable for demonstrating the alternate conditions of day and night.

In the figure: 1. a base; 2. a central rotation shaft; 3. an outer sphere; 4. a first support frame; 5. a second support frame; 6. a first rotating bearing; 7. a second rotary bearing; 8. a limiting slide block; 9. a limited slip block base; 10. a return spring; 11. a luminescent lamp strip plate; 12. a first inner sphere; 13. a second inner sphere.

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. 1-4, the present invention provides a globe for demonstrating the round-the-clock alternation: a globe suitable for demonstrating day and night conditions comprises a base 1, a central rotating shaft 2 is fixedly installed on the upper surface of the base 1, an outer sphere 3 is fixedly installed on the outer surface of the central rotating shaft 2, a first supporting frame 4 and a second supporting frame 5 are fixedly connected to the upper end and the lower end of the central rotating shaft 2 respectively, a circular notch is formed in the top end of the outer sphere 3, a first rotating bearing 6 is fixedly installed on the inner side of the circular notch in the top end of the outer sphere 3, the first rotating bearing 6 is rotatably connected to the outer surface of the central rotating shaft 2, a circular notch is also formed in the bottom end of the outer sphere 3, a second rotating bearing 7 is fixedly installed on the inner side of the circular notch in the bottom end of the outer sphere 3, a limited slide block 8 is slidably connected to the outer surface of the second rotating bearing 7, a limited slide block base 9 is fixedly connected to the bottom surface of the limited slide block 8, and one end of a return spring 10 is fixedly connected to the lower surface of the limited slide block base 9, the other end of the return spring 10 is fixedly connected to one side of the lower end of the second support frame 5.

The outer fixed surface of center axis of rotation 2 installs and is located spheroid 12 in the inboard first of outer spheroid 3 and spheroid 13 in the second, fixedly connected with luminescent light band plate 11 in the first between spheroid 12 and the spheroid 13 in the second, the inclination of center axis of rotation 2 is 23.5, the installation angle of luminescent light band plate 11 is vertical angle, spheroid 12 is transparent plastic material in the first, and spheroid 13 is opaque plastic material in the second, the surface of spheroid 12 in the first and spheroid 13 in the second all is with the internal surface contactless of outer spheroid 3, luminescent light band plate 11 only has one side to be the light emitting area, luminescent light band plate 11 corresponds spheroid 12 one side in the first and is the light emitting area, and luminescent light band plate 11 is vertical fixation, can demonstrate the condition of sun illumination on the earth surface directly perceived.

The upper surface of limit slider 8 is the arc, and its arc radian is the same with outer spheroid 3's surface radian, and limit slider 8 is the antiskid rubber material, and limit slider 8 and limit slider base 9 all with second rolling bearing 7 sliding connection, can be spacing to it when not rotating spheroid 3 through limit slider base 9 bottom surface fixed connection's return spring 10, prevents that spheroid 3 from sliding at will when the demonstration explanation.

First rolling bearing 6 and second rolling bearing 7 are all rotated and are connected in the outside of center axis of rotation 2, and the bevel protractor has all been carved with to first rolling bearing 6 and second rolling bearing 7's surface, and luminescent light band plate 11 supplies power through built-in rechargeable battery, and the bevel protractor that sets up and first rolling bearing 6 and second rolling bearing 7 surface can make when explaining to the contrast of the rotatory and longitude and latitude of angle have more audio-visual show.

The utility model discloses a theory of operation: when the solar street lamp is used, the light-emitting lamp band plate 11 is turned on, the limiting slide block 8 slides downwards, the ball body 3 is rotated, the ball body 3 rotates at an inclined angle of 23.5 degrees, the angle and the direction of the rotation of the earth are visually presented, the light-emitting surface of the light-emitting lamp band plate 11 transmits light on the surface of the ball body 3 through the first inner ball body 12, the vertical light-emitting surface and the ball body 3 rotating at the angle of 23.5 degrees truly present the state of direct sunlight on the surface of the earth, and the motion track of a morning line on the surface of the earth along with the rotation of the earth can be directly seen;

when changeing a certain position with ball 3, loosen limit slider 8, the return spring 10 of limit slider base 9 bottom surface can upwards push it up and move, supports spheroid 3's surface until limit slider 8's arcwall face, prevents that spheroid 3 from rotating along with rocking, influences the explanation process, and limit slider 8's anti-skidding rubber material simultaneously also can make spheroid 3 rotate the time more stable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A globe suitable for demonstrating alternate conditions of day and night comprises a base (1) and is characterized in that, the upper surface of the base (1) is fixedly provided with a central rotating shaft (2), the outer surface of the central rotating shaft (2) is fixedly provided with an outer sphere (3), the upper end and the lower end of the central rotation shaft (2) are respectively fixedly connected with a first support frame (4) and a second support frame (5), the top end of the outer ball body (3) is provided with a circular notch, the inner side of the circular notch at the top end of the outer ball body (3) is fixedly provided with a first rotating bearing (6), the first rotating bearing (6) is rotatably connected to the outer surface of the central rotating shaft (2), the bottom end of the outer sphere (3) is also provided with a circular notch, and a second rotating bearing (7) is fixedly arranged on the inner side of the circular notch at the bottom end of the outer sphere (3);

the outer fixed surface of center axis of rotation (2) installs sphere (13) in sphere (12) and the second in being located outer spheroid (3) inboard first, fixedly connected with luminescent light band plate (11) between sphere (13) in sphere (12) and the second in the first, only one side of luminescent light band plate (11) is the light emitting area.

2. A globe suitable for demonstrating alternate conditions of day and night according to claim 1, characterized in that the outer surface of the second rotary bearing (7) is slidably connected with a limited slide block (8), the bottom surface of the limited slide block (8) is fixedly connected with a limited slide block base (9), the lower surface of the limited slide block base (9) is fixedly connected with one end of a return spring (10), and the other end of the return spring (10) is fixedly connected with one side of the lower end of the second support frame (5).

3. The globe suitable for demonstrating the alternate conditions of day and night according to the claim 2, characterized in that the upper surface of the slide limiting block (8) is arc-shaped, the arc radian of the arc-shaped arc is the same as the outer surface radian of the outer sphere (3), the slide limiting block (8) is made of anti-skid rubber, and the slide limiting block (8) and the slide limiting block base (9) are both connected with the second rotating bearing (7) in a sliding way.

4. A globe suitable for demonstrating the alternate conditions of the day and night according to claim 1, characterized in that the inclination angle of the central rotation axis (2) is 23.5 °, the installation angle of the luminous lamp band plate (11) is vertical, the first inner sphere (12) is made of transparent plastic material and the second inner sphere (13) is made of opaque plastic material, the outer surface of both the first inner sphere (12) and the second inner sphere (13) is not in contact with the inner surface of the outer sphere (3).

5. A globe suitable for demonstrating the alternate circadian situation according to claim 1, characterized in that the first rotary bearing (6) and the second rotary bearing (7) are both rotatably connected to the outside of the central rotation shaft (2).

6. A globe suitable for demonstrating the alternate conditions of the day and night according to claim 5, characterized in that the first rotary bearing (6) and the second rotary bearing (7) are engraved with an angle ruler on the outer surface, the luminous lamp band plate (11) being powered by a built-in rechargeable battery.