CN204354676U - A kind of teaching scale - Google Patents
A kind of teaching scale Download PDFInfo
- Publication number
- CN204354676U CN204354676U CN201520014273.1U CN201520014273U CN204354676U CN 204354676 U CN204354676 U CN 204354676U CN 201520014273 U CN201520014273 U CN 201520014273U CN 204354676 U CN204354676 U CN 204354676U
- Authority
- CN
- China
- Prior art keywords
- ruler
- scale
- arc chi
- teaching
- doing
- 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
A kind of teaching scale relates to teaching equipment, is specifically related to a kind of teaching scale, comprises body, ruler, protractor, dial scale, makes arc chi, it is characterized in that: described arc chi of doing is arranged on ruler; Described dial scale is connected with ruler, and described dial scale is provided with the first chute; Described work is provided with the first slide block matched with described first chute below arc chi, described arc chi of doing is provided with the second chute, and described arc chi of doing is provided with the second slide block matched with described second chute; Described second slide block is provided with the ledge for chalk on blackboard for placing chalk; Described protractor is arranged on ruler; Described ruler left end is provided with draw-in groove, and in affiliated draw-in groove, card has locking pin, can freely dismantle; Described arc chi upper end of doing is provided with chalk cutting ferrule, for placing chalk.A kind of teaching scale of the utility model is reasonable in design, easy to use, when teacher draws geometric figure on blackboard, avoids frequently changing educational aid, improves efficiency of teaching.
Description
Technical field
The utility model relates to teaching equipment, is specifically related to a kind of teaching scale.
Background technology
Math teacher, when several teaching, often can use multiple drawing tools such as comprising protractor, ruler, set square, compasses, current existing drawing teaching aid; major part function singleness; need in use to exchange continually, not only increase drawing difficulty, and affect efficiency of teaching.
Summary of the invention
It is simple that the technical problems to be solved in the utility model is to provide a kind of structure, the one teaching scale of complete function.
For solving the problem, the utility model adopts following technical scheme.
A kind of teaching scale, comprises teaching aid body, and is arranged on the ruler on teaching aid body, and the protractor be arranged on teaching aid body, and the dial scale be arranged on teaching aid body, and be arranged on teaching aid body makes arc chi, it is characterized in that: described arc chi of doing is arranged on ruler; Described dial scale is connected with ruler, and described dial scale is provided with the first chute; Described work is provided with the first slide block matched with described first chute below arc chi, described arc chi of doing is provided with the second chute, and described arc chi of doing is provided with the second slide block matched with described second chute; Described second slide block is provided with the ledge for chalk on blackboard for placing chalk; Described protractor is arranged on ruler; Described ruler left end is provided with draw-in groove, and in affiliated draw-in groove, card has locking pin, can freely dismantle; Described arc chi upper end of doing is provided with chalk cutting ferrule, for placing chalk; Described dial scale, protractor and ruler are equipped with scale, describedly make arc chi and ruler adopts chain connection; Described dial scale, protractor and ruler are in same level.
A kind of teaching scale of the utility model is reasonable in design, easy to use, when teacher draws geometric figure on blackboard, avoids frequently changing educational aid, improves efficiency of teaching.
Accompanying drawing explanation
Accompanying drawing 1 is that a kind of teaching of the present utility model uses the structural representation of scale.
With reference to the accompanying drawings shown in 1: body 1, ruler 2, protractor 3, dial scale 4, make arc chi 5, first chute 6, hinge 7, second chute 8, second slide block 9, ledge for chalk on blackboard 10, draw-in groove 11, locking pin 12, chalk cutting ferrule 13.
Detailed description of the invention
Consult the one teaching scale shown in Fig. 1, comprise teaching aid body 1, and the ruler 2 be arranged on teaching aid body 1, and the protractor 3 be arranged on teaching aid body 1, and the dial scale 4 be arranged on teaching aid body 1, and be arranged on teaching aid body 1 makes arc chi 5, described arc chi 5 of doing is arranged on ruler 2, described dial scale 4 is connected with ruler 2, described dial scale 4 is provided with the first chute 6, described work is provided with the first slide block matched with described first chute 6 below arc chi 5, described arc chi 5 of doing is provided with the second chute 8, described arc chi 5 of doing is provided with the second slide block 9 matched with described second chute 8, described second slide block 9 is provided with the ledge for chalk on blackboard 10 for placing chalk, described protractor 3 is arranged on ruler 2, described ruler 2 left end is provided with draw-in groove 11, in affiliated draw-in groove 11, card has locking pin 12, can freely dismantle, described arc chi 5 upper end of doing is provided with chalk cutting ferrule 13, for placing chalk, described dial scale 4, protractor 3 and ruler 2 are equipped with scale, and described arc chi 5 of doing adopts hinge 7 to be connected with ruler 2, and described dial scale 4, protractor 3 and ruler 2 are in same level.
A kind of teaching scale of the utility model is reasonable in design, easy to use, when teacher draws geometric figure on blackboard, movement can make arc chi as required, accurately, circular arc is produced rapidly, easily, by set protractor, the angle of circular arc can be measured accurately, by set ruler, can draw straight line efficiently, locking pin and chalk cutting ferrule coordinate, circle can be drawn fast, achieve the efficient drafting of the mathematical education regular pattern shapes such as straight line, angle, arc, circle, avoid frequently changing educational aid, improve efficiency of teaching.
Claims (1)
1. a teaching scale, comprises teaching aid body, and is arranged on the ruler on teaching aid body, and the protractor be arranged on teaching aid body, and the dial scale be arranged on teaching aid body, and be arranged on teaching aid body makes arc chi, it is characterized in that: described arc chi of doing is arranged on ruler; Described dial scale is connected with ruler, and described dial scale is provided with the first chute; Described work is provided with the first slide block matched with described first chute below arc chi, described arc chi of doing is provided with the second chute, and described arc chi of doing is provided with the second slide block matched with described second chute; Described second slide block is provided with the ledge for chalk on blackboard for placing chalk; Described protractor is arranged on ruler; Described ruler left end is provided with draw-in groove, and in affiliated draw-in groove, card has locking pin; Described arc chi upper end of doing is provided with chalk cutting ferrule; Described dial scale, protractor and ruler are equipped with scale, describedly make arc chi and ruler adopts chain connection; Described dial scale, protractor and ruler are in same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520014273.1U CN204354676U (en) | 2015-01-09 | 2015-01-09 | A kind of teaching scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520014273.1U CN204354676U (en) | 2015-01-09 | 2015-01-09 | A kind of teaching scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204354676U true CN204354676U (en) | 2015-05-27 |
Family
ID=53256163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520014273.1U Expired - Fee Related CN204354676U (en) | 2015-01-09 | 2015-01-09 | A kind of teaching scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204354676U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313971A (en) * | 2016-08-29 | 2017-01-11 | 王美琴 | Multifunctional teaching aid |
| CN108656800A (en) * | 2018-04-08 | 2018-10-16 | 袁静 | A kind of new teaching ruler |
-
2015
- 2015-01-09 CN CN201520014273.1U patent/CN204354676U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313971A (en) * | 2016-08-29 | 2017-01-11 | 王美琴 | Multifunctional teaching aid |
| CN108656800A (en) * | 2018-04-08 | 2018-10-16 | 袁静 | A kind of new teaching ruler |
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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 |
Granted publication date: 20150527 Termination date: 20160109 |