CN204586246U - The Geometric figure drawing compasses that a kind of mathematical education is special - Google Patents
The Geometric figure drawing compasses that a kind of mathematical education is special Download PDFInfo
- Publication number
- CN204586246U CN204586246U CN201520200165.3U CN201520200165U CN204586246U CN 204586246 U CN204586246 U CN 204586246U CN 201520200165 U CN201520200165 U CN 201520200165U CN 204586246 U CN204586246 U CN 204586246U
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- compasses
- chalk
- retracting cylinder
- rotate
- scale
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Abstract
The utility model discloses the Geometric figure drawing compasses that a kind of mathematical education is special, described compasses rotating seat processes rotating shaft, compasses rotate circle and install on the rotary shaft, compasses rotate circle and can rotate around rotating shaft, described compasses rotate on circle installs retracting cylinder by connecting axle, compasses scale arm is installed in retracting cylinder, compasses scale arm can slide in retracting cylinder, described chalk stationary magazine creel is arranged on one end of compasses scale arm, chalk is placed in chalk stationary magazine creel, described retracting cylinder arranges set screw, chalk stationary magazine creel is arranged chalk fixed screw, compasses scale arm arranges scale, described compasses rotating seat top arranges handle.It is reasonable that the utility model adopts its design science, and structure is simple, flexible and convenient to use.
Description
technical field:
The utility model relates to the special Geometric figure drawing compasses of a kind of mathematical education, belongs to teaching apparatus for mathematics technical field.
background technology:
In mathematical education, geometry teaching teaching is a very important part, several teaching is geometric figure and correlation formula mainly, in Geometric figure drawing, compasses are in mathematics and drawing, be used to the instrument drawing circle or string, be usually used in construction with ruler and compasses, common compasses are by nib, rotating shaft, compasses supporting leg, lattice chi, hinged joint, handwriting, nib, compasses point, microtia is formed, the upper end being connected to handwriting is inserted in the lower end of its nib, the lower end of the formation of handwriting compasses is threaded in the upper end of nib, the concordant end of microtia is welded in the middle of the outside of compasses supporting leg, the lower end clamping of compasses supporting leg is connected to the upper end of compasses point.
The compasses used in existing mathematics classroom teaching do not indicate the device of scale and use inconvenient.
utility model content:
The technical problems to be solved in the utility model is to provide the special Geometric figure drawing compasses of a kind of mathematical education, and its structure is simple, easy to use.
The Geometric figure drawing compasses that a kind of mathematical education of the present utility model is special, structure comprises: compasses rotating seat, compasses rotate circle, retracting cylinder, compasses scale arm, chalk stationary magazine creel, chalk screw, set screw, handle, scale, rotating shaft, connecting axle, described compasses rotating seat processes rotating shaft, compasses rotate circle and install on the rotary shaft, compasses rotate circle and can rotate around rotating shaft, described compasses rotate on circle installs retracting cylinder by connecting axle, compasses scale arm is installed in retracting cylinder, compasses scale arm can slide in retracting cylinder, described chalk stationary magazine creel is arranged on one end of compasses scale arm, chalk is placed in chalk stationary magazine creel.
Further, described retracting cylinder arranges set screw, chalk stationary magazine creel is arranged chalk fixed screw, compasses scale arm arranges scale, described compasses rotating seat top arranges handle.
Further, described compasses rotating seat adopts nylon66 fiber material to process, and it is adopt aluminum alloy material to process that described compasses rotate circle, and described compasses scale arm adopts Q235 cylindrical steel to process.
The beneficial effects of the utility model: the utility model adopts on compasses rotating base and installs compasses rotation circle, compasses rotate the upper design of installing compasses scale arm of circle, and can realize the accurate drafting of different radii circle, its design science is reasonable, structure is simple, flexible and convenient to use.
accompanying drawing illustrates:
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is compasses rotating seat structure figure of the present utility model;
Fig. 3 is that compasses of the present utility model rotate coil structures figure.
In figure: 1-compasses rotating seat; 2-compasses rotate circle; 3-retracting cylinder; 4-compasses scale arm; 5-chalk stationary magazine creel; 6-chalk screw; 7-set screw; 8-handle; 9-chalk; 10-scale; 11-rotating shaft; 12-connecting axle.
detailed description of the invention:
For making the purpose of this utility model, technical scheme and advantage clearly understand, below by the specific embodiment shown in accompanying drawing, the utility model is described.But should be appreciated that, these describe just exemplary, and do not really want to limit scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
As Fig. 1, shown in Fig. 2 and Fig. 3, the Geometric figure drawing compasses that a kind of mathematical education is special, structure comprises: compasses rotating seat 1, compasses rotate circle 2, retracting cylinder 3, compasses scale arm 4, chalk stationary magazine creel 5, chalk screw 6, set screw 7, handle 8, scale 10, rotating shaft 11, connecting axle 12, described compasses rotating seat 1 processes rotating shaft 11, compasses rotate circle 2 and are arranged on rotating shaft 11, compasses rotate circle 2 and can rotate around rotating shaft, described compasses rotate on circle 2 installs retracting cylinder 3 by connecting axle 12, compasses scale arm 4 is installed in retracting cylinder 3, compasses scale arm 4 can slide in retracting cylinder 3, described chalk stationary magazine creel 6 is arranged on one end of compasses scale arm 4, chalk 9 is placed in chalk stationary magazine creel 6.
Particularly, described retracting cylinder 3 arranges set screw 7, set screw 7 can regulate the length of compasses telescopic arm in retracting cylinder, to reach the object of drawing different radii circle, described chalk stationary magazine creel 5 arranges chalk fixed screw 6, compasses scale arm 4 arranges scale 10, described compasses rotating seat 1 top arranges handle 8, described compasses rotating seat 1 adopts nylon66 fiber material to process, it is adopt aluminum alloy material to process that described compasses rotate circle 2, and described compasses scale arm 4 adopts Q235 cylindrical steel to process.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. the Geometric figure drawing compasses that a mathematical education is special, it is characterized in that: structure comprises: compasses rotating seat, compasses rotate circle, retracting cylinder, compasses scale arm, chalk stationary magazine creel, chalk screw, set screw, handle, scale, rotating shaft, connecting axle, described compasses rotating seat processes rotating shaft, compasses rotate circle and install on the rotary shaft, compasses rotate circle and can rotate around rotating shaft, described compasses rotate on circle installs retracting cylinder by connecting axle, compasses scale arm is installed in retracting cylinder, compasses scale arm can slide in retracting cylinder, described chalk stationary magazine creel is arranged on one end of compasses scale arm, chalk is placed in chalk stationary magazine creel.
2. the Geometric figure drawing compasses that a kind of mathematical education according to claim 1 is special, it is characterized in that: described retracting cylinder arranges set screw, chalk stationary magazine creel is arranged chalk fixed screw, compasses scale arm arranges scale, described compasses rotating seat top arranges handle.
3. the Geometric figure drawing compasses that a kind of mathematical education according to claim 1 is special, it is characterized in that: described compasses rotating seat adopts nylon66 fiber material to process, it is adopt aluminum alloy material to process that described compasses rotate circle, and described compasses scale arm adopts Q235 cylindrical steel to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200165.3U CN204586246U (en) | 2015-04-03 | 2015-04-03 | The Geometric figure drawing compasses that a kind of mathematical education is special |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200165.3U CN204586246U (en) | 2015-04-03 | 2015-04-03 | The Geometric figure drawing compasses that a kind of mathematical education is special |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204586246U true CN204586246U (en) | 2015-08-26 |
Family
ID=53922438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520200165.3U Expired - Fee Related CN204586246U (en) | 2015-04-03 | 2015-04-03 | The Geometric figure drawing compasses that a kind of mathematical education is special |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204586246U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106063736A (en) * | 2016-05-23 | 2016-11-02 | 佛山市第人民医院 | A kind of improvement artificial cave special bone groove locator |
| KR101934119B1 (en) * | 2016-11-25 | 2018-12-31 | 권경섭 | Multipunctional compass |
| CN110654145A (en) * | 2018-06-29 | 2020-01-07 | 白天畅 | Gyro compasses |
| CN112848760A (en) * | 2021-01-25 | 2021-05-28 | 林玲 | Compasses for teaching |
| CN113103809A (en) * | 2021-05-25 | 2021-07-13 | 哈尔滨学院 | Ruler device for drawing |
-
2015
- 2015-04-03 CN CN201520200165.3U patent/CN204586246U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106063736A (en) * | 2016-05-23 | 2016-11-02 | 佛山市第人民医院 | A kind of improvement artificial cave special bone groove locator |
| KR101934119B1 (en) * | 2016-11-25 | 2018-12-31 | 권경섭 | Multipunctional compass |
| CN110654145A (en) * | 2018-06-29 | 2020-01-07 | 白天畅 | Gyro compasses |
| CN112848760A (en) * | 2021-01-25 | 2021-05-28 | 林玲 | Compasses for teaching |
| CN113103809A (en) * | 2021-05-25 | 2021-07-13 | 哈尔滨学院 | Ruler device for drawing |
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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: 20150826 Termination date: 20160403 |