CN201961015U - Circle drawing device used for teaching - Google Patents
Circle drawing device used for teaching Download PDFInfo
- Publication number
- CN201961015U CN201961015U CN2011200741570U CN201120074157U CN201961015U CN 201961015 U CN201961015 U CN 201961015U CN 2011200741570 U CN2011200741570 U CN 2011200741570U CN 201120074157 U CN201120074157 U CN 201120074157U CN 201961015 U CN201961015 U CN 201961015U
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- teaching
- sucker
- circle
- drawing device
- device used
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- 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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Abstract
The utility model discloses a teaching device, particularly a circle drawing device used for teaching. The circle drawing device used for teaching is characterized by comprising a sucker, wherein the upper side of the sucker is fixedly connected with a fixed column, a rotation rod is connected in a rotation mode in the direction perpendicular to the fixed column, the rotation rod is provided with scales, the rotation rod is sleeved with a rubber sleeve, chalks are arranged in the rubber sleeve, and a spring clip is arranged outside the rubber sleeve. The circle drawing device used for teaching has a simple structure and a low manufacturing cost, the circle centre end of the circle drawing device is fixed for drawing standard circles quickly, radii can be selected according to needs so as to improve the teaching effect of teachers, and the device is suitable for promotional use.
Description
(1) technical field
The utility model relates to a kind of teaching equipment, particularly a kind of teaching picture round belting.
(2) background technology
At present, teacher uses common compasses usually when the blackboard upper drawing circle, but the iron pin on the common compasses leg cannot be fixed on blackboard, the situation of dislocation often occurs skidding, the picture bowlder is wayward, use very inconvenient, thereby reduced teacher's the teaching quality and the efficient of giving lessons.
(3) summary of the invention
The utility model is in order to remedy the defective of prior art, provide a kind of standard, rapidly, teaching picture round belting easily.
The utility model is achieved by the following technical solution:
A kind of teaching picture round belting is characterized in that: comprise sucker, the sucker upside is connected with fixed leg, with the swingle that has been rotatably connected on the fixed leg vertical direction, swingle is marked with scale, is socketed with rubber bush on the swingle, chalk is installed in the rubber bush, and rubber bush is provided with spring clip outward.
The picture round belting is used in this teaching, and described sucker opening part diameter is 1-1.5cm, is convenient to determine accurately the home position of drawn circle.
The beneficial effects of the utility model are: this teaching picture round belting, and simple in structure, low cost of manufacture, the center of circle one end fixedly carries out picture circle, and standard is rapid, and can select radius as required, improves teacher's effect of teaching, and is suitable for promoting the use of.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing 1 is the structural representation of the utility model teaching with the picture round belting.
Among the figure, 1 sucker, 2 fixed legs, 3 swingles, 4 scales, 5 rubber bush, 6 chalks, 7 spring clips.
(5) specific embodiment
Accompanying drawing is a kind of specific embodiment of the present utility model.This teaching picture round belting, it is characterized in that: comprise sucker 1, sucker 1 upside is connected with fixed leg 2, with the swingle 3 that has been rotatably connected on fixed leg 2 vertical direction, swingle 3 is marked with scale 4, is socketed with rubber bush 5 on the swingle 3, and chalk 6 is installed in the rubber bush 5, be provided with spring clip 7 outside the rubber bush 5, described sucker 1 opening part diameter is 1-1.5cm.
This teaching picture round belting, during use, be fixed on the home position of drawn circle by sucker 1, adjust rubber bush 5 and select drawn radius of a circle, chalk 6 is put into rubber bush 5 backs and by spring clip 7 chalk 6 is clamped, and rotates the picture circle by swingle 3 then and gets final product, and draws the circle standard, improve teacher's teaching efficient and quality rapidly.
Claims (2)
1. teaching picture round belting, it is characterized in that: comprise sucker (1), sucker (1) upside is connected with fixed leg (2), with the swingle (3) that has been rotatably connected on fixed leg (2) vertical direction, swingle (3) is marked with scale (4), be socketed with rubber bush (5) on the swingle (3), chalk (6) is installed in the rubber bush (5), the outer spring clip (7) that is provided with of rubber bush (5).
2. teaching picture round belting according to claim 1 is characterized in that: described sucker (1) opening part diameter is 1-1.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200741570U CN201961015U (en) | 2011-03-21 | 2011-03-21 | Circle drawing device used for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200741570U CN201961015U (en) | 2011-03-21 | 2011-03-21 | Circle drawing device used for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201961015U true CN201961015U (en) | 2011-09-07 |
Family
ID=44523549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200741570U Expired - Fee Related CN201961015U (en) | 2011-03-21 | 2011-03-21 | Circle drawing device used for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201961015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757197A (en) * | 2017-09-10 | 2018-03-06 | 湖北阳超机电科技有限公司 | A kind of teacher's compasses |
-
2011
- 2011-03-21 CN CN2011200741570U patent/CN201961015U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757197A (en) * | 2017-09-10 | 2018-03-06 | 湖北阳超机电科技有限公司 | A kind of teacher's compasses |
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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: 20110907 Termination date: 20120321 |