CN204808753U - Can demonstrate globe of length change round clock - Google Patents
Can demonstrate globe of length change round clock Download PDFInfo
- Publication number
- CN204808753U CN204808753U CN201520302881.2U CN201520302881U CN204808753U CN 204808753 U CN204808753 U CN 204808753U CN 201520302881 U CN201520302881 U CN 201520302881U CN 204808753 U CN204808753 U CN 204808753U
- Authority
- CN
- China
- Prior art keywords
- support
- spheroid
- day
- length change
- coaster
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a can demonstrate globe of length change round clock. Including spheroid, pivot, support, base, the spheroid connect on the support through the pivot, its characterized in that: the lower extreme of pivot and the rotation motor electrically connected who establishes at the support lower extreme, the upper end of support be equipped with with pivot upper end matched with shaft hole, the internal surface of support is equipped with the slip track, the slip track on be equipped with the coaster of taking the radiation source, pulley that track cooperation used and be equipped with arresting gear is equipped with on the coaster and slides to the removal that realizes the coaster is with fixed. The beneficial effects of the utility model are that the demonstration that not only can demonstrate the earth day alternates with night the phenomenon but also can image directly perceived length round the clock changes and polar day phenomenon at polar night.
Description
Technical field
The utility model belongs to teaching aid, in particular to a kind of terrestrial globe can demonstrating day-night length change.
Background technology
Because rotation and enclosing is revolved around the sun, the earth creates that day alternates with night and Four seasons change and polar day phenomenon at polar night, along with on the different earth of subsolar point, the day-night length of various places is also ceaselessly changing, geography teachers is when explaining these phenomenon knowledge, often by school wall map and commonly globe explain textbook content, this method is too abstract, and student understands difficult.
Summary of the invention
This uses novel technical purpose to be: a kind of terrestrial globe can demonstrating day-night length change.This terrestrial globe not only can be demonstrated the earth day alternates with night phenomenon but also can the demonstration day-night length change of visual pattern and polar day phenomenon at polar night.
Technical purpose of the present utility model can be passed through technical scheme and realize: a kind of terrestrial globe instrument can demonstrating day-night length change, comprise spheroid, rotating shaft, support, base, the lower end of described rotating shaft is electrically connected with the rotary electric machine being located at pedestal lower end, the upper end of described support is provided with the axis hole matched with rotating shaft upper end, the inside surface of support is provided with sliding rail, described sliding rail is provided with the coaster of band radiation source, coaster be provided with sliding rail with the use of pulley and be provided with clamping device, with the movement realizing coaster with fixing.
Preferably; Described spheroid is that light-proof material is made.
Preferably; Described rotary electric machine is fixed on the lower end of support, and electric machine rotation drives rotating shaft and spheroid 2 to rotate.
Preferably; Described support is semicircle, and the inside surface of described support is greater than the radius of spheroid 2 to ensure that radiation source can illuminate a hemisphere to the vertical range of spherome surface.
Preferably; Described radiation source is the LED from charged pool, the preferred button cell of battery.
Preferably; Be provided with battery case in described base and be connected with rotary electric machine by wire, base upper surface is provided with power switch to control rotation and the stopping of rotary electric machine.
The beneficial effects of the utility model not only can demonstrate the earth day alternates with night phenomenon but also can the demonstration day-night length change of visual pattern and polar day phenomenon at polar night.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
As shown in fig. 1.
1, rotating shaft 2, spheroid 3, rotary electric machine 4, support 5, radiation source 6, coaster 7, clamping device 8, sliding rail 9 base 10, power switch 11, battery case
Embodiment
Referring to accompanying drawing, provide embodiment of the present utility model, be used for being further described formation of the present utility model.
As shown in the figure: a kind of terrestrial globe can demonstrating day-night length change, comprise spheroid 2, rotating shaft 1, support 4, base 9, the lower end of described rotating shaft 1 is electrically connected with the rotary electric machine 3 being located at support 4 lower end, the upper end of described support 4 is provided with the axis hole matched with rotating shaft 1 upper end, the inside surface of support 4 is provided with sliding rail 8, described slip rail 8 road is provided with the coaster 6 of band radiation source 5, coaster 6 be provided with sliding rail 8 with the use of pulley and be provided with clamping device 7, with the movement realizing coaster 6 with fixing.
Preferably; Described spheroid 2 makes the earth model indicating the north and south tropic and equator for light-proof material.
Preferably; Described rotary electric machine 3 is fixed on the lower end of support 4, and electric machine rotation drives rotating shaft 1 and spheroid 2 to rotate.
Preferably; Described support 4 is semicircle, and the inside surface of described support 4 is not less than the radius of spheroid 2 to ensure that radiation source 5 can illuminate the half of spheroid 2 to the vertical range on spheroid 2 surface.
Preferably; Described radiation source 5 is the LED of charged pool and switch, the preferred button cell of battery.
Preferably; Be provided with battery case 11 in described base 9 and be connected with rotary electric machine 3 with the wire in base 9 by being arranged on support 4, base 9 upper surface is provided with power switch 10 to control rotation and the stopping of rotary electric machine 3.
Attend class and when demonstrating, open the power switch of radiation source 5 and rotary electric machine 3, rotary electric machine 3 drives spheroid 2 rotation, radiation source 5 demonstrates the half that the sun illuminates spheroid 2, movement along with coaster 6 is illuminated the region also and then change of spheroid 2, on the half Regional Representative daytime illuminated, second half is not by the Regional Representative's night shone.When the tropic of Cancer of mark on radiation source vertical irradiation spheroid 2, the days are long and the nights short in the Northern Hemisphere, polar day phenomenon is there is in the Arctic Circle, the position movement southwards moving down demonstration subsolar point of coaster 6, now Northern Hemisphere daylight hours shortens gradually, occurs phenomenon at polar night when the radiation source 5 vertical irradiation tropic of Capricorn in the Arctic Circle.
The understanding that teacher explains is convenient to student is convenient in the demonstration of the utility model visual pattern.
Above exhaustive presentation is carried out to a kind of terrestrial globe can demonstrating day-night length change provided by the utility model, set forth embodiment of the present utility model herein, above explanation just understands method of the present utility model and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.To change of the present utility model with to improve to be possible, and design and scope that accessory claim can specify can not be exceeded.
Claims (6)
1. can demonstrate a terrestrial globe for day-night length change, comprise spheroid, rotating shaft, support, base, described spheroid is connected on support by rotating shaft; It is characterized in that: the lower end of described rotating shaft is electrically connected with the rotary electric machine being located at pedestal lower end, the upper end of described support is provided with the axis hole matched with rotating shaft upper end, the inside surface of support is provided with sliding rail, described sliding rail is provided with the coaster of band radiation source, coaster be provided with sliding rail with the use of pulley and be provided with clamping device, to realize the movement of coaster and fixing.
2. a kind of terrestrial globe can demonstrating day-night length change according to claim 1, is characterized by: described spheroid (2) is made for light-proof material.
3. a kind of terrestrial globe can demonstrating day-night length change according to claim 1, is characterized by: described rotary electric machine is fixed on the lower end of support, and electric machine rotation drives rotating shaft and spheroid to rotate.
4. a kind of terrestrial globe can demonstrating day-night length change according to claim 1, it is characterized by: described support is for semicircle, and the inside surface of described support is greater than the radius of spheroid to ensure that radiation source can illuminate a hemisphere to the vertical range that spheroid (2) is surperficial.
5. a kind of terrestrial globe can demonstrating day-night length change according to claim 1, is characterized by: described radiation source is the LED from charged pool.
6. a kind of terrestrial globe can demonstrating day-night length change according to claim 1, it is characterized by: be provided with battery case in described base and be connected with rotary electric machine by wire, base upper surface is provided with power switch to control rotation and the stopping of rotary electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520302881.2U CN204808753U (en) | 2015-05-13 | 2015-05-13 | Can demonstrate globe of length change round clock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520302881.2U CN204808753U (en) | 2015-05-13 | 2015-05-13 | Can demonstrate globe of length change round clock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204808753U true CN204808753U (en) | 2015-11-25 |
Family
ID=54593537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520302881.2U Expired - Fee Related CN204808753U (en) | 2015-05-13 | 2015-05-13 | Can demonstrate globe of length change round clock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204808753U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909915A (en) * | 2017-11-30 | 2018-04-13 | 河海大学 | A kind of tellurion clock |
| CN108492710A (en) * | 2018-03-06 | 2018-09-04 | 河海大学 | A kind of tellurion clock |
| CN109712513A (en) * | 2019-03-06 | 2019-05-03 | 滨州学院 | A kind of geography learning Multifunctional globes |
| CN111161626A (en) * | 2019-12-31 | 2020-05-15 | 华中科技大学 | Globe with function of demonstrating changes of solar terms and morning and evening and demonstration method thereof |
-
2015
- 2015-05-13 CN CN201520302881.2U patent/CN204808753U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107909915A (en) * | 2017-11-30 | 2018-04-13 | 河海大学 | A kind of tellurion clock |
| CN108492710A (en) * | 2018-03-06 | 2018-09-04 | 河海大学 | A kind of tellurion clock |
| CN109712513A (en) * | 2019-03-06 | 2019-05-03 | 滨州学院 | A kind of geography learning Multifunctional globes |
| CN111161626A (en) * | 2019-12-31 | 2020-05-15 | 华中科技大学 | Globe with function of demonstrating changes of solar terms and morning and evening and demonstration method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160513 |