CN201522793U - Multifunctional ruler for geography learning - Google Patents
Multifunctional ruler for geography learning Download PDFInfo
- Publication number
- CN201522793U CN201522793U CN2009202257715U CN200920225771U CN201522793U CN 201522793 U CN201522793 U CN 201522793U CN 2009202257715 U CN2009202257715 U CN 2009202257715U CN 200920225771 U CN200920225771 U CN 200920225771U CN 201522793 U CN201522793 U CN 201522793U
- Authority
- CN
- China
- Prior art keywords
- disk body
- chi
- remove
- commonly used
- learning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Electrically Operated Instructional Devices (AREA)
Abstract
The utility model discloses a multifunctional ruler for geography learning, which comprises a ruler body, wherein the ruler body is provided with a time zone calculator. In the utility model, by expanding the functions of the multifunctional ruler to be capable of drawing various geometric figures only by using one ruler, including drawing various common graphic symbols and weather signs and fast drawing earth revolution schematic diagram, the trouble for drawing only by preparing various rulers and compasses is omitted, the efficiency is improved, materials are effectively saved, the phenomenon of resource waste is reduced, and two teaching problems of judgment of fictitious graticule and calculation of zone time are solved. The multifunctional ruler is characterized by scientific and reasonable structure, complete functions, direct, accurate and rapid drawing, strong applicability and the like, has convenient use, effectively solves the problems that the learning and explaining of knowledge such as time zone are difficult, and facilitates the teaching of geography class.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically relates to a kind of multi-functional geography learning chi with multiple function.
Background technology
In the classroom, no matter manual drawing instrument in the past, now or all be in the future teaching and the essential articles for use of study.
Along with the continuous development of educational undertaking, more and more higher to teacher's quality of instruction and students'comprehensive quality requirement, at present, used common ruler can not satisfy numerous teachers and students' needs on the classroom.As in the geographical textbook in junior middle school, for the calculating in time zone is a difficult point in the teaching, a lot of students miss the main points, the student has no way of doing it when running into calculating, the student who has is accustomed to the time zone is all drawn on paper, then by the number in time zone of exercise question requirement, a time zone, do very time-consuming like this and make mistakes easily; In addition, the judgement of the judgement of " graticules " and " thing hemisphere " in junior middle school's geography, be geographical teaching emphasis and difficult point, when imparting knowledge to students and learning these knowledge, difficulty is particularly outstanding again, the mode that the teacher can not find clarifies, says that the student also is difficult to make accurately and judges when doing topic to the student.
So, how to use audiovisual aids to implement teaching by different level, in order, to change and embarrass easily, the raising teaching efficiency is the common hopes of teachers and students.
The utility model content
Problem to be solved in the utility model provides the multi-functional geography learning chi of the geographical teaching of a kind of convenience.
For addressing the above problem, the technical scheme that the utility model adopted is: multi-functional geography learning chi, comprise the chi body, and it is characterized in that: described chi body is provided with the time zone counter.As a kind of concrete technical scheme:
Described time zone counter comprises the following disk body that evenly is carved with 24 time zones, on the following disk body disk body is installed, and when evenly being carved with 24 districts on the last disk body, last disk body and following disk body are rotationally connected in center position.
Described going up on the disk body is equipped with compass, and the outside of compass is provided with circular shell, and circular shell is fixedlyed connected with last disk body.
Compass is used for the judgement to direction, is applicable to field works such as tourism.
The diameter of described disk body down is greater than the diameter of last disk body, and the diameter of last disk body is greater than the excircle diameter of circular shell, and the lower wall body is positioned at an end of chi body and is wholely set with the chi body.
In the process of upper rotatory plate body, cooperate when disk body calculates time zone or district down.
The described excircle of disk body down and the excircle of last disk body are evenly equipped with angle measuring calibration respectively.
Following disk body and last disk body can be used as the measurement of protractor as angle.
As a kind of concrete technical scheme:
Also be provided with longitude and latitude coordinate system, legend area commonly used and regular polygon drawing instrument on the described chi body.
The longitude and latitude coordinate system is used for the judgement of graticules, the judgement of thing warp, north and south latitude, the judgement of four corners of the world hemisphere, the judgement of 2 mutual alignments.
Described legend area commonly used is provided with the legend symbol commonly used of a plurality of hollow outs.
Described regular polygon drawing instrument comprises that angle is six angles of 60 °, 90 °, 108 °, 120 °, 128 ° and 135 °, and regular polygon drawing instrument hollow out is arranged on the chi body.
The regular polygon drawing instrument can be drawn out positive triangle, square, regular pentagon, regular hexagon, positive heptagon, octagon fast, has saved the time, has improved drawing efficiency.
As a kind of concrete technical scheme:
Also be provided with answer card filling device, weather notation district, basic configuration district and revolution of earth demonstrator commonly used on the described chi body.
Described answer card filling device is a plurality of and the corresponding bar hole of answer sheet; Described weather notation commonly used district is provided with the weather notation commonly used of a plurality of hollow outs; Described basic configuration district is the basic configuration of a plurality of hollow outs.
Full-filling answer sheet when the answer card filling device is used for standardization proposition examination; Weather notation commonly used is used for the identification and the drafting of weather notation; The revolution of earth demonstrator is convenient in geographical teaching, the student to Spring Equinox in the textbook, the Autumnal Equinox, the Summer Solstice and Winter Solstice content understanding and study, demonstrate simple and conveniently, do not need again to have saved the time by other instruments, improved classroom efficiency.
The basic configuration district is made up of 45 °, 30 ° right angle triangles and circle, ellipse, the convenient drawing.
By adopting technique scheme, the utility model by with its functions expanding to only with once the multiple geometric figure that can draw chi, comprise various common legends, weather notation and draw the revolution of earth synoptic diagram fast, saved and got all the trouble that various chis and compasses just can be mapped ready, raise the efficiency, economical with materials effectively, reduced wasting of resources phenomenon, and the judgement of graticules and two difficulties in teaching of calculating in when district have been solved, the utlity model has scientific and reasonable for structure, multiple functional, draw directly, accurately, fast, characteristics such as applicability is strong, easy to use, efficiently solve in the geography class teaching, the study of the knowledge such as calculating in the judgement of pair warp and weft net and when district and say the problem of solving problem has made things convenient for the teaching of geography class.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment;
Accompanying drawing 2 be in the accompanying drawing 1 A-A to cut-open view;
Accompanying drawing 3 is the structural representation at the circular shell back side of compass in the present embodiment;
Accompanying drawing 4 is a structural representation of going up disk body in the present embodiment.
Among the figure: 1-chi body; 2-time zone counter; Disk body under the 21-; The last disk body of 22-; The 23-compass; The 24-circular shell; 3-longitude and latitude coordinate system; 4-uses legend area always; 41-uses legend symbol always; 5-regular polygon drawing instrument; 6-answer card filling device; The 61-bar hole; 7-uses the weather notation district always; 71-uses weather notation always; 8-revolution of earth demonstrator; 9-basic configuration district; The 91-basic configuration; The 10-columnar projections; The 11-cylinder hole.
Embodiment
Embodiment: as depicted in figs. 1 and 2, multi-functional geography learning chi, comprise chi body 1, chi body 1 is provided with time zone counter 2, time zone counter 2 comprises the following disk body 21 that is evenly distributed with 24 time zones, and the upper surface of following disk body 21 is provided with disk body 22, when being evenly distributed with 24 districts on the last disk body 22, last disk body 22 and following disk body 21 are rotationally connected in center position, and last disk body 22 and following disk body 21 are connected by screw turns.Wherein, being divided into 24 time zones every 15 ° on the following disk body 21, also is when being divided into 24 districts for 15 ° and go up disk body 22, and the bottom is screwed.
The time zone is divided: the time zone at 0 ° of warp place, be between 7.5 ° in 7.5 ° of east longitudes and the west longitude, cry middle time zone or zero zone, thus eastwards, every 15 ° of longitudes, be followed successively by Dong Yi district, Dong Er district, east No.12 District, middle time zone westwards, every 15 ° of longitudes, be followed successively by the Xi Yi district, the Xi Er district ... the west No.12 District.East No.12 District and western No.12 District respectively account for 7.5 ° of longitudes, identical and date difference of the hour between them.
The diameter of following disk body 21 is greater than the diameter of last disk body 22, and the diameter of last disk body 22 is greater than the excircle diameter of circular shell 24, and following disk body 21 is positioned at an end of chi body 1 and is wholely set with chi body 1.
The 1 rectangular setting of chi body, the width of chi body 1 end equal the diameter length of disk body 21 down, and promptly an end of chi body 1 is semicircle, and three limits of other of chi body 1 can be used as ruler, are respectively equipped with normal scale, 1/2 scale graduation and twice scale graduation.
The excircle of the excircle of following disk body 21 and last disk body 22 is evenly equipped with angle measuring calibration respectively, promptly descends disk body 21 and last disk body 22 to have the protractor effect.
Also be provided with longitude and latitude coordinate system 3, legend area 4 commonly used and regular polygon drawing instrument 5 on the chi body 1, legend area 4 commonly used is provided with the legend symbol commonly used 41 of a plurality of hollow outs; Regular polygon drawing instrument 5 comprises that angle is 60 °, 90 °, 108 °, 120 °, six angles of 128 ° and 135 °, regular polygon drawing instrument 5 hollow outs are arranged on the chi body 1, regular polygon drawing instrument 5 can be drawn positive triangle fast, square, regular pentagon, regular hexagon, positive seven distortion and octagons, the sideline at six angles is through lap over and be connected to form an irregular changeable shape in turn, whole polygon hollow out just can be drawn out positive triangle according to the limit at these six angles and their places thereof, square, regular pentagon, regular hexagon, positive seven distortion and octagons; Also be provided with answer card filling device 6, weather notation district 7, basic configuration district 9 and revolution of earth demonstrator 8 commonly used on the chi body 1.
Answer card filling device 6 is a plurality of and the corresponding bar hole 61 of answer sheet; Weather notation district 7 commonly used is provided with the weather notation commonly used 71 of a plurality of hollow outs, as weather notations commonly used such as cloudy symbol, cloudy turn to fine symbol, thunder and lightning symbols; Described basic configuration district 9 is the basic configuration 91 of a plurality of hollow outs, mainly is 45 ° of right-angle triangles, 60 ° of right-angle triangles and circle.
As shown in Figure 3 and Figure 4, be rotatablely equipped with compass 23 on the last disk body 22, the outside of compass 23 is provided with circular shell 24, and circular shell 24 and last disk body 22 are fixedlyed connected in center position.The upper surface of last disk body 22 has three columnar projections 10, and the back side of circular shell 24 is provided with the cylinder hole 11 that matches with three columnar projections 10, so circular shell 24 and last disk body 22 rotate together.
In sum, time zone counter 2, longitude and latitude coordinate system 3, legend area 4 commonly used, regular polygon drawing instrument 5, answer card filling device 6, weather notation district 7 commonly used, revolution of earth demonstrator 8 and the basic configuration district 9 particular location relation on chi body 1 is: time zone counter 2 is positioned at an end of chi body 1, regular polygon drawing instrument 5 and answer card filling device 6 are positioned at the other end of chi body 1, longitude and latitude coordinate system 3 is positioned at the centre of chi body 1, longitude and latitude coordinate system 3 has four quadrants, weather notation district 7 commonly used, legend area 4 commonly used, basic configuration district 9 and revolution of earth demonstrator 8 are positioned at first of longitude and latitude coordinate system 3 successively, second, in third and fourth quadrant, this compact layout and structure, easy to use.Certainly, the layout type of chi body 1 is varied, but purpose all is easy to use and operation.
Claims (10)
1. multi-functional geography learning chi comprises chi body (1), it is characterized in that: described chi body (1) is provided with time zone counter (2).
2. to remove 1 described multi-functional geography learning chi as right, it is characterized in that: described time zone counter (2) comprises the following disk body (21) that evenly is carved with 24 time zones, disk body (22) is installed on the following disk body (21), when evenly being carved with 24 districts on the last disk body (22), last disk body (22) and following disk body (21) are rotationally connected in center position.
3. will remove 2 described multi-functional geography learning chis as right, it is characterized in that: described going up on the disk body (22) is equipped with compass (23), and the outside of compass (23) is provided with circular shell (24), and circular shell (24) is fixedlyed connected with last disk body (22).
4. to remove 3 described multi-functional geography learning chis as right, it is characterized in that: the diameter of described disk body (21) down is greater than the diameter of last disk body (22), the diameter of last disk body (22) is greater than the excircle diameter of circular shell (24), and following disk body (21) is positioned at an end of chi body (1) and is wholely set with chi body (1).
5. will remove 4 described multi-functional geography learning chis as right, it is characterized in that: the described excircle of disk body (21) down and the excircle of last disk body (22) are evenly equipped with angle measuring calibration respectively.
6. to remove 1 described multi-functional geography learning chi as right, it is characterized in that: also be provided with longitude and latitude coordinate system (3), legend area (4) commonly used and regular polygon drawing instrument (5) on the described chi body (1).
7. will remove 6 described multi-functional geography learning chis as right, it is characterized in that: described legend area commonly used (4) is provided with the legend symbol commonly used (41) of a plurality of hollow outs.
8. to remove 6 described multi-functional geography learning chis as right, it is characterized in that: described regular polygon drawing instrument (5) comprises that angle is six angles of 60 °, 90 °, 108 °, 120 °, 128 ° and 135 °, and regular polygon drawing instrument (5) hollow out is arranged on the chi body (1).
9. to remove 1 described multi-functional geography learning chi as right, it is characterized in that: also be provided with answer card filling device (6), weather notation district (7) commonly used, basic configuration district (9) and revolution of earth demonstrator (8) on the described chi body (1).
10. will remove 9 described multi-functional geography learning chis as right, it is characterized in that: described answer card filling device (6) is a plurality of and corresponding bar hole of answer sheet (61); Described weather notation commonly used district (7) is provided with the weather notation commonly used (71) of a plurality of hollow outs; Described basic configuration district (9) is the basic configuration (91) of a plurality of hollow outs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202257715U CN201522793U (en) | 2009-09-07 | 2009-09-07 | Multifunctional ruler for geography learning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202257715U CN201522793U (en) | 2009-09-07 | 2009-09-07 | Multifunctional ruler for geography learning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201522793U true CN201522793U (en) | 2010-07-07 |
Family
ID=42508970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202257715U Expired - Fee Related CN201522793U (en) | 2009-09-07 | 2009-09-07 | Multifunctional ruler for geography learning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201522793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275427A (en) * | 2010-09-30 | 2011-12-14 | 阮凌云 | Earth movement teaching performance tool |
-
2009
- 2009-09-07 CN CN2009202257715U patent/CN201522793U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275427A (en) * | 2010-09-30 | 2011-12-14 | 阮凌云 | Earth movement teaching performance tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206217444U (en) | A kind of mathematical education fast drawing instrument | |
| CN201522793U (en) | Multifunctional ruler for geography learning | |
| CN205468137U (en) | Mathematics plotter | |
| CN201304821Y (en) | Multi-purpose folding ruler for blackboard teaching | |
| CN206856361U (en) | A kind of classroom instruction is given lessons general teaching aid | |
| CN207045002U (en) | A kind of mathematical education multifunctional teaching ruler | |
| CN201833745U (en) | English three-grid marking ruler | |
| CN203759985U (en) | Sun shadow change teaching demonstrator | |
| CN203456013U (en) | Solar altitude measuring instrument | |
| CN201073875Y (en) | Multipurpose bevel gage | |
| CN208232659U (en) | A kind of teaching aid of mathematical education drafting function curve | |
| CN106864121A (en) | A kind of mathematical education teaching aid | |
| CN203351058U (en) | Auxiliary teaching aid for Chinese language class | |
| CN201970705U (en) | Multi-use teaching aid for classroom | |
| CN206106743U (en) | Novel ruler | |
| CN202189488U (en) | Multifunctional learning ruler | |
| CN201522798U (en) | Triangular gauge teaching aids | |
| CN201353959Y (en) | Multipurpose ruler | |
| CN201158253Y (en) | Teaching compasses | |
| CN201979944U (en) | Improved protractor | |
| CN214897267U (en) | Star anniversary parallax demonstration instrument | |
| CN202331982U (en) | Simple math teaching template | |
| CN103879200B (en) | Classroom draughting board tool | |
| CN201471969U (en) | Multifunctional set square for measuring angle and position | |
| CN203038521U (en) | Rectangular area and triangle angle demonstrating device for primary school mathematics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20120907 |