CN104485038B - Dynamic regular cone section demonstration instrument - Google Patents
Dynamic regular cone section demonstration instrument Download PDFInfo
- Publication number
- CN104485038B CN104485038B CN201410804270.8A CN201410804270A CN104485038B CN 104485038 B CN104485038 B CN 104485038B CN 201410804270 A CN201410804270 A CN 201410804270A CN 104485038 B CN104485038 B CN 104485038B
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- China
- Prior art keywords
- bar
- straight
- becket
- regular cone
- annulus
- Prior art date
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/02—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics
- G09B23/04—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for mathematics for geometry, trigonometry, projection or perspective
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Algebra (AREA)
- Business, Economics & Management (AREA)
- Geometry (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Toys (AREA)
Abstract
A dynamic regular cone section demonstration instrument mainly comprises a ring, support rods, a straight rod on the top line, a sleeve, a horizontally moving straight rod and an elastic rope, wherein two ends of the elastic rope penetrating through a metal ring a are fixed on a metal ring b and a metal ring c respectively, and a regular cone section defined by the elastic rope and the horizontally moving straight rod is perpendicular to a horizontal ordinate straight rod. A group of regular cone sections in different positions can be seen by moving the horizontally moving straight rod. The design is easy to implement, the cost is low, and the operation is easy; and the dynamic regular cone section demonstration instrument facilitates comprehensive understanding of a student for the regular cone section, and the difficulty of volume calculation of the regular cone section is greatly reduced.
Description
Technical field
Patent of the present invention is related to demonstrate a kind of dynamic regular cone section demonstration instrument, belongs to demonstration instrument field.
Background technology
The difficult point that the stereometer of regular cone is imparted knowledge to students at last in higher mathematics, lacks in teaching drill accordingly for many years
Show experiment, increase the difficulty of abecedarian's study, though there is Chinese patent《Regular cone teaching mode》CN202383895U is solved
Certain problem, but demonstrate that the position in section is few, structure is relative complex, and fault rate is high, is unfavorable for comprehensive understanding regular cone
Section concept, how to design the dynamic demonstration teaching aid of a visual pattern, make the section of the quick comprehensive understanding regular cone of student
Concept, this patent will solve this problem.
The content of the invention
Patent of the present invention solves dynamic regular cone section demonstrator, solves to demonstrate regular cone by elastic threads emphatically
The instrument in section.
Art solutions of the present invention：A kind of dynamic regular cone section demonstrator, mainly by annulus, pole, top line
Straight-bar, sleeve pipe, the straight-bar for moving horizontally and elastic threads constitute, it is characterized in that：A regular cone bottom circle is made with tinsel
Annulus horizontal positioned, fix two poles for being each perpendicular to circular planes respectively same diametrically 2 points of annulus are crossed,
The isometry position of pole fixes one with the graduated straight-bar as regular cone top line, using sleeve with as moving horizontally
Straight-bar and vertical straight-bar is orthogonal is fixed together, by one with graduated abscissa straight-bar through sleeve pipe be fixed on annulus with
At pole joining；The straight-bar for moving horizontally with well is placed on annulus, making can change openings of sizes becket a,
Becket b and becket c, becket a are enclosed within the straight-bar of regular cone top line and are fixed on vertical straight-bar upper end, becket b and
Becket c is enclosed within the straight-bar and annulus for moving horizontally can be moved with the straight-bar for moving horizontally；With elastic threads through gold
Category ring a two ends are separately fixed on becket b and becket c, the regular cone surrounded by elastic threads and the straight-bar for moving horizontally
Perpendicular to abscissa straight-bar, the straight-bar moved in mobile and horizontal is it is seen that the regular cone of one group of diverse location cuts in section
Face.
The usefulness of patent of the present invention：Design is easily achieved, low cost and easy to operate, unlike the prior art, realizes
A kind of dynamic regular cone section demonstration instrument, is conducive to improving student and aligns the comprehensive understanding for splitting conic section, drops significantly
The difficulty that the volume of low regular cone is calculated.
Description of the drawings
Accompanying drawing 1 is the structural representation of patent of the present invention.Wherein：(1) it is annulus, (2) are poles, (3) are the straight of top line
Bar, (4) are sleeve pipes, and (5) are the straight-bars for moving horizontally, and (6) are vertical straight-bars, and (7) are abscissa straight-bars, and (8) are elastic threads
Specific embodiment
Such as accompanying drawing 1：A kind of dynamic regular cone section demonstrator, mainly by annulus (1), pole (2), top line straight-bar
(3), sleeve pipe (4), the straight-bar (5) that moves horizontally and elastic threads (8) are constituted, and be it is characterized in that：One is made with tinsel and is just splitting cone
Annulus (1) horizontal positioned of body bottom circle, crossing same diametrically 2 points of annulus (1) and fixing two respectively annulus is each perpendicular to
(1) pole (2) of plane, one is fixed with the graduated straight-bar as regular cone top line in the isometry position of pole (2)
(3), using sleeve (4) with as the straight-bar (5) for moving horizontally and vertical straight-bar (6) is orthogonal is fixed together, by a band
Graduated abscissa straight-bar (7) is fixed at annulus (1) and pole (2) joining through sleeve pipe (4)；Water with sleeve pipe (4)
The dynamic straight-bar (5) of translation is placed on annulus (1), and making can change becket a, becket b and the becket c of openings of sizes,
Becket a is enclosed within the straight-bar (3) of regular cone top line and is fixed on vertical straight-bar (6) upper end, and becket b and becket c are enclosed within
Can move with the straight-bar (5) for moving horizontally on the straight-bar (5) for moving horizontally and annulus (1)；Passed through with elastic threads (8)
Becket a two ends are separately fixed on becket b and becket c, are surrounded by elastic threads (8) and the straight-bar (5) for moving horizontally
Regular cone section perpendicular to abscissa straight-bar (7), mobile and horizontal movement straight-bar (5) it is seen that one group of diverse location
Regular cone section.
Claims (1)
1. a kind of dynamic regular cone section demonstrator, mainly by annulus (1), pole (2), as the straight of regular cone top line
Bar (3), sleeve pipe (4), the straight-bar (5) for moving horizontally and elastic threads (8) are constituted, and be it is characterized in that：A conduct is made with tinsel
Annulus (1) horizontal positioned of regular cone bottom circle, is each perpendicular to crossing same diametrically 2 points of annulus (1) and fixing two respectively
The pole (2) of annulus (1) plane, one is fixed with graduated as the straight of regular cone top line in the isometry position of pole (2)
Bar (3), by sleeve (4) and the straight-bar (5) for moving horizontally and vertical straight-bar (6) is orthogonal is fixed together, one is carried
The abscissa straight-bar (7) of scale is fixed at annulus (1) and pole (2) joining through sleeve pipe (4)；Level with sleeve pipe (4)
Mobile straight-bar (5) is placed on annulus (1), and making can change becket a, becket b and the becket c of openings of sizes, gold
Category ring a is enclosed within straight-bar (3) and is fixed on vertical straight-bar (6) upper end, and becket b and becket c is enclosed within the straight-bar (5) for moving horizontally
Can move with the straight-bar (5) for moving horizontally with annulus (1)；Fixed respectively through becket a two ends with elastic threads (8)
On becket b and becket c, the regular cone section surrounded by elastic threads (8) and the straight-bar (5) for moving horizontally is perpendicular to horizontal stroke
Coordinate straight-bar (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410804270.8A CN104485038B (en) | 2014-12-12 | 2014-12-12 | Dynamic regular cone section demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410804270.8A CN104485038B (en) | 2014-12-12 | 2014-12-12 | Dynamic regular cone section demonstration instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104485038A CN104485038A (en) | 2015-04-01 |
| CN104485038B true CN104485038B (en) | 2017-04-19 |
Family
ID=52759578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410804270.8A Expired - Fee Related CN104485038B (en) | 2014-12-12 | 2014-12-12 | Dynamic regular cone section demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104485038B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU875443A1 (en) * | 1980-02-06 | 1981-10-23 | Таганрогский радиотехнический институт им. В.Д.Калмыкова | Educational device on physics |
| DE3122916C2 (en) * | 1981-06-10 | 1983-11-03 | Theo 5132 Übach-Palenberg Wolters | Holder for paper rolls on a drawing board |
| CN85200559U (en) * | 1985-04-09 | 1986-01-29 | 吴宁生 | Manifold demonstration model used for solid geometry |
| SU1317470A1 (en) * | 1985-01-28 | 1987-06-15 | Сибирский физико-технический институт им.В.Д.Кузнецова | Phase plate |
| CN2121053U (en) * | 1992-05-08 | 1992-11-04 | 杨博谊 | Combined geometry teaching tool |
| CN2129441Y (en) * | 1992-07-31 | 1993-04-07 | 于庆玲 | Multi-function solid geometry teaching aid |
| CN2172212Y (en) * | 1993-05-26 | 1994-07-20 | 陈愉德 | Conical curve compasses |
| CN2394278Y (en) * | 1998-03-16 | 2000-08-30 | 丁长河 | structure sketch teaching aid |
| CN201126652Y (en) * | 2007-12-10 | 2008-10-01 | 李博文 | Teaching appliances special for demonstrating conoid formation |
| CN201829091U (en) * | 2010-10-28 | 2011-05-11 | 张佳城 | Cone teaching aid |
| CN201838227U (en) * | 2010-11-05 | 2011-05-18 | 焦超 | Combined-type teaching stereomodel |
| CN202383896U (en) * | 2011-12-21 | 2012-08-15 | 齐齐哈尔大学 | Teaching model of curved-top cylinder |
| CN202383895U (en) * | 2011-11-28 | 2012-08-15 | 齐齐哈尔大学 | Regular cone teaching model |
| CN204332174U (en) * | 2014-12-12 | 2015-05-13 | 齐齐哈尔大学 | A kind of dynamically regular cone cross section demonstrator |
-
2014
- 2014-12-12 CN CN201410804270.8A patent/CN104485038B/en not_active Expired - Fee Related
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU875443A1 (en) * | 1980-02-06 | 1981-10-23 | Таганрогский радиотехнический институт им. В.Д.Калмыкова | Educational device on physics |
| DE3122916C2 (en) * | 1981-06-10 | 1983-11-03 | Theo 5132 Übach-Palenberg Wolters | Holder for paper rolls on a drawing board |
| SU1317470A1 (en) * | 1985-01-28 | 1987-06-15 | Сибирский физико-технический институт им.В.Д.Кузнецова | Phase plate |
| CN85200559U (en) * | 1985-04-09 | 1986-01-29 | 吴宁生 | Manifold demonstration model used for solid geometry |
| CN2121053U (en) * | 1992-05-08 | 1992-11-04 | 杨博谊 | Combined geometry teaching tool |
| CN2129441Y (en) * | 1992-07-31 | 1993-04-07 | 于庆玲 | Multi-function solid geometry teaching aid |
| CN2172212Y (en) * | 1993-05-26 | 1994-07-20 | 陈愉德 | Conical curve compasses |
| CN2394278Y (en) * | 1998-03-16 | 2000-08-30 | 丁长河 | structure sketch teaching aid |
| CN201126652Y (en) * | 2007-12-10 | 2008-10-01 | 李博文 | Teaching appliances special for demonstrating conoid formation |
| CN201829091U (en) * | 2010-10-28 | 2011-05-11 | 张佳城 | Cone teaching aid |
| CN201838227U (en) * | 2010-11-05 | 2011-05-18 | 焦超 | Combined-type teaching stereomodel |
| CN202383895U (en) * | 2011-11-28 | 2012-08-15 | 齐齐哈尔大学 | Regular cone teaching model |
| CN202383896U (en) * | 2011-12-21 | 2012-08-15 | 齐齐哈尔大学 | Teaching model of curved-top cylinder |
| CN204332174U (en) * | 2014-12-12 | 2015-05-13 | 齐齐哈尔大学 | A kind of dynamically regular cone cross section demonstrator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104485038A (en) | 2015-04-01 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20170419 Termination date: 20201212 |