CN201444363U - Geometric figure teaching ruler - Google Patents
Geometric figure teaching ruler Download PDFInfo
- Publication number
- CN201444363U CN201444363U CN2009200263336U CN200920026333U CN201444363U CN 201444363 U CN201444363 U CN 201444363U CN 2009200263336 U CN2009200263336 U CN 2009200263336U CN 200920026333 U CN200920026333 U CN 200920026333U CN 201444363 U CN201444363 U CN 201444363U
- Authority
- CN
- China
- Prior art keywords
- ruler
- chi
- straight
- geometric
- teaching
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a geometric figure teaching ruler, which comprises a bottom ruler with scales. The geometric figure teaching ruler is characterized by further comprising a multi-section straight ruler with scales, the multi-section straight ruler consists of a plurality of straight rulers, two ends of each straight ruler are both equipped with small holes, the straight rulers are overlapped end to end and movably connected through hinges, the bottom ruler is sleeved with a ruler sleeve, the ruler sleeve and the bottom ruler are in relative sliding connection, the head end of the straight ruler at the head end of the multi-section straight ruler is movably connected with the bottom ruler through a hinge, and the tail end of the straight ruler at the tail end of the multi-section straight ruler is movably connected to the ruler sleeve through a hinge. The geometric figure teaching ruler can be combined into various geometric figures through deformation of the straight rulers of the multi-section straight ruler and movement of the straight rulers at the tail end of the multi-section straight ruler on the bottom ruler.
Description
Technical field
The utility model relates to a kind of geometry teaching apparatus, relates in particular to a kind of geometric figure teaching chi.
Background technology
At present, in the teaching process of plane geometry, teacher mainly be to use set square with corresponding diagram plots on blackboard, then by analyzing, contrast, concluding, sum up to student explain.Use set square mapping teaching to have the following disadvantages: 1, set square carries inconvenience; 2, mapping trouble, and only diagram plots on blackboard, lack intuitive and stereoscopic sensation, can not excite student's learning enthusiasm and enthusiasm; 3, the corner of various figures relation can not be intuitively, dynamically show.
Summary of the invention
The purpose of this utility model provides a kind of geometric figure teaching chi that can intuitively, dynamically demonstrate various plane geometric figures.
For achieving the above object, the technical solution adopted in the utility model is: a kind of geometric figure teaching chi, comprise: the end chi that has scale, it is characterized in that: also comprise the multiple-level ruler that has scale, multiple-level ruler is made up of a plurality of rulers, the two ends of each ruler all have aperture, and head and the tail are overlapping and flexibly connect by hinge between each ruler; Be with the chi cover on the end chi, and the chi cover becomes relative being slidingly connected with end chi; The head end and the end chi of the head end ruler of multiple-level ruler flexibly connect by hinge, and the end of the terminal ruler of multiple-level ruler is movably connected in chi by hinge and puts.
The utility model can be by multiple-level ruler the distortion of each ruler and terminal ruler the moving on end chi of multiple-level ruler, form various geometric figures, can intuitively, dynamically demonstrate the relation between the geometric figure, between the corner, easy to use, can excite student's learning enthusiasm, strengthen students'interest in learning, thereby improve the quality of teaching.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model will be further described below in conjunction with the drawings and specific embodiments.
A kind of geometric figure teaching chi comprises end chi 3 that has scale and the multiple-level ruler 2 that has scale, and multiple-level ruler is made up of a plurality of rulers 2, and the two ends of each ruler 2 all have aperture, and head and the tail are overlapping and by hinge 1 flexible connection between each ruler 2; Be with chi cover 4 on the end chi 3, and chi cover 4 and 3 one-tenth relative being slidingly connected of end chi; The head end of the means ruler of multiple-level ruler and end chi 3 flexibly connect by hinge 1, and the end of the latter end ruler of multiple-level ruler is movably connected on the chi cover 4 by hinge.The length of end chi 3 is generally longer than the length that other respectively save ruler, is convenient to be combined into multiple geometric figure like this.
Claims (1)
1. geometric figure teaching chi, comprise the end chi that has scale, it is characterized in that: also comprise the multiple-level ruler that has scale, multiple-level ruler is made up of a plurality of rulers, the two ends of each ruler all have aperture, and head and the tail are overlapping and flexibly connect by hinge between each ruler; Be with the chi cover on the end chi, and the chi cover becomes relative being slidingly connected with end chi; The head end and the end chi of the head end ruler of multiple-level ruler flexibly connect by hinge, and the end of the terminal ruler of multiple-level ruler is movably connected in chi by hinge and puts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200263336U CN201444363U (en) | 2009-05-27 | 2009-05-27 | Geometric figure teaching ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200263336U CN201444363U (en) | 2009-05-27 | 2009-05-27 | Geometric figure teaching ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201444363U true CN201444363U (en) | 2010-04-28 |
Family
ID=42549044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200263336U Expired - Fee Related CN201444363U (en) | 2009-05-27 | 2009-05-27 | Geometric figure teaching ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201444363U (en) |
-
2009
- 2009-05-27 CN CN2009200263336U patent/CN201444363U/en not_active Expired - Fee Related
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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: 20100428 Termination date: 20100527 |