CN202242584U - Multifunctional scale special for teaching - Google Patents
Multifunctional scale special for teaching Download PDFInfo
- Publication number
- CN202242584U CN202242584U CN2011203359272U CN201120335927U CN202242584U CN 202242584 U CN202242584 U CN 202242584U CN 2011203359272 U CN2011203359272 U CN 2011203359272U CN 201120335927 U CN201120335927 U CN 201120335927U CN 202242584 U CN202242584 U CN 202242584U
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- CN
- China
- Prior art keywords
- vernier
- teaching
- ruler
- utility
- model
- 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 multifunctional scale special for teaching, which belongs to the technical field of teaching aids. The multifunctional scale comprises a large angle gauge, a small angle gauge, a straight scale, a magnifier and a circle center positioning ball, and is characterized in that: the large angle gauge and the small angle gauge are arranged at the left end of the straight scale; the right side of the straight scale is provided with a vernier capable of sliding freely; the upper end of the vernier is provided with a chalk hole; the middle part of the vernier is provided with a 'Y'-shaped fixed knob; and the circle center positioning ball consists of a gear knob, a spring and a rubber ball. Moreover, the multifunctional scale special for teaching disclosed by the utility model has multiple functions, and has the advantages of convenience for using, easiness for operating, low cost and the like.
Description
Technical field
The utility model relates to a kind of teaching aid, in particular, and particularly a kind of multifunction teaching special ruler.
Background technology
Present existing teaching gauge be used on blackboard drawing, amount draws so that the teacher teaches, its weak point is that they have only separately independently function, if when using multiple ruler simultaneously, carries very inconvenient.
The utility model content
The utility model has overcome the above-mentioned shortcoming of prior art, and a kind of multifunction teaching special ruler is provided.
In order to solve the problems of the technologies described above; The utility model is realized through following technical scheme: a kind of multifunction teaching special ruler; Comprise big protractor, little protractor, ruler, magnifying glass, center of circle location ball and vernier; It is characterized in that said big protractor and little protractor are located at the left end of said ruler, and the right side of said ruler is provided with the vernier that can be free to slide; Wherein the vernier upper end is provided with a chalk hole, and the middle part is provided with " Y " type fixed knob; And location, center of circle ball is made up of gear knob, spring and rubber ball jointly.
Compared with prior art, the beneficial effect of the utility model is: 1. realized the function that a chi is used more; 2. design ingenious, attractive in appearance, simple operation, easy to use; 3. make simply, be convenient to processing, with low cost.
Description of drawings
Accompanying drawing 1: the structural representation of the utility model;
Accompanying drawing 2: the partial enlarged drawing of location, center of circle ball in the utility model;
Accompanying drawing 3: the utility model middle reaches target partial enlarged drawing.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail.
The disclosed a kind of multifunction teaching special ruler of the utility model, by big protractor 1, hornwork 2, ruler 6, magnifying glass 3, center of circle location ball 4 and vernier 5 are formed in a small amount, wherein vernier 5 upper ends are provided with a chalk hole 51, and the middle part is provided with " Y " type fixed knob 52; And location, center of circle ball 4 is made up of gear knob 41, spring 42 and rubber ball 43 jointly.
The teaching special ruler that uses the utility model to provide is drawn the bowlder of certain radius; Only need vernier is slided on the assigned scale line; " Y " type fixed knob that rotates the vernier middle part is gently fixed vernier, and the left hand flicking is lived location, center of circle ball then, and the right hand is taken chalk to pass the chalk hole and drawn round getting final product.
Claims (3)
1. multifunction teaching special ruler; Comprise big protractor, little protractor, ruler, magnifying glass, location, center of circle ball; It is characterized in that said big protractor and little protractor are located at the left end of said ruler, and the right side of said ruler is provided with the vernier that can be free to slide.
2. a kind of multifunction teaching special ruler according to claim 1 is characterized in that, said vernier upper end is provided with a chalk hole, and the middle part is provided with " Y " type fixed knob.
3. a kind of multifunction teaching special ruler according to claim 1 is characterized in that, location, said center of circle ball is made up of gear knob, spring and rubber ball jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203359272U CN202242584U (en) | 2011-09-01 | 2011-09-01 | Multifunctional scale special for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203359272U CN202242584U (en) | 2011-09-01 | 2011-09-01 | Multifunctional scale special for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202242584U true CN202242584U (en) | 2012-05-30 |
Family
ID=46103874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203359272U Expired - Fee Related CN202242584U (en) | 2011-09-01 | 2011-09-01 | Multifunctional scale special for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202242584U (en) |
-
2011
- 2011-09-01 CN CN2011203359272U patent/CN202242584U/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: 20120530 Termination date: 20120901 |