CN205381064U - Drawing instrument for mathematical education - Google Patents
Drawing instrument for mathematical education Download PDFInfo
- Publication number
- CN205381064U CN205381064U CN201620107416.8U CN201620107416U CN205381064U CN 205381064 U CN205381064 U CN 205381064U CN 201620107416 U CN201620107416 U CN 201620107416U CN 205381064 U CN205381064 U CN 205381064U
- Authority
- CN
- China
- Prior art keywords
- ruler
- sliding block
- positioning sliding
- adjusting knob
- board body
- 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 drawing instrument for mathematical education, it contains drawing board body (1), and direction spout (2) of cross are seted up at the middle part of this drawing board body (1), direction spout (2) in be provided with respectively rather than clearance sliding fit first location slider (3) and second location slider (4), first location slider (3) and second location slider (4) between be provided with ruler (5) that the top surface was gone up to laminating drawing board body (1), drawing hole (6) that the several can supply the nib to pass are offered in this ruler (5) upward equidistance, first location slider (3) and ruler (5) between be provided with first adjusting knob (7), second location slider (4) and ruler (5) between be provided with second adjusting knob (8). The utility model discloses simple structure, convenient to use both can be used for drawing oval, can be used for drawing the circle again, great improvement holistic suitability, do benefit to its further popularization in this field.
Description
Technical field
This utility model relates to teaching aid field, is specifically related to a kind of mathematical education drawing apparatus, draws oval and circle drawing apparatus particularly to a kind of.
Background technology
The drawing board structure of existing drafting ellipse is relatively simple, may only be used for drawing ellipse, uses function comparatively single, and therefore a kind of new technical scheme of exigence solves above-mentioned Problems existing.
Utility model content
This utility model purpose is to provide a kind of mathematical education drawing apparatus, and it can efficiently solve problem existing in background technology.
In order to solve problem existing in background technology, it comprises drawing board body 1, the middle part of this drawing board body 1 offers the guide chute 2 of decussation, the first positioning sliding block 3 and the second positioning sliding block 4 with its clearance sliding fit it is respectively arranged with in described guide chute 2, the ruler 5 of end face on laminating drawing board body 1 it is provided with between described the first positioning sliding block 3 and the second positioning sliding block 4, this ruler 5 equidistantly offers several drawing hole 6 being available for nib traverse, it is provided with the first adjusting knob 7 between described the first positioning sliding block 3 and ruler 5, it is provided with the second adjusting knob 8 between described the second positioning sliding block 4 and ruler 5；
When drawing circular, the screw mandrel splaying of described first adjusting knob 7 spins with the first positioning sliding block 3 through ruler 5 and is connected, and the screw mandrel splaying of described second adjusting knob 8 spins with the second positioning sliding block 4 through ruler 5 and is connected；
When drawing circular, connection that the screw mandrel splaying of described first adjusting knob 7 is threaded through the first positioning sliding block 3 through ruler 5 and drawing board body 1 spins, the screw mandrel end of described second adjusting knob 8 screws out the second positioning sliding block 4.
Owing to have employed above technical scheme, this utility model has the advantages that simple in construction, easy to use, both can be used to draw ellipse, can be used to again draw circle, has been greatly improved the suitability of entirety；It is beneficial to its further genralrlization in the field.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model, below in conjunction with accompanying drawing, embodiment is briefly described.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described.
Referring to Fig. 1, this detailed description of the invention is to be achieved by the following technical solutions, it comprises drawing board body 1, the middle part of this drawing board body 1 offers the guide chute 2 of decussation, the first positioning sliding block 3 and the second positioning sliding block 4 with its clearance sliding fit it is respectively arranged with in described guide chute 2, the ruler 5 of end face on laminating drawing board body 1 it is provided with between described the first positioning sliding block 3 and the second positioning sliding block 4, this ruler 5 equidistantly offers several drawing hole 6 being available for nib traverse, it is provided with the first adjusting knob 7 between described the first positioning sliding block 3 and ruler 5, it is provided with the second adjusting knob 8 between described the second positioning sliding block 4 and ruler 5；
When drawing circular, the screw mandrel splaying of described first adjusting knob 7 spins with the first positioning sliding block 3 through ruler 5 and is connected, and the screw mandrel splaying of described second adjusting knob 8 spins with the second positioning sliding block 4 through ruler 5 and is connected；
When drawing circular, connection that the screw mandrel splaying of described first adjusting knob 7 is threaded through the first positioning sliding block 3 through ruler 5 and drawing board body 1 spins, the screw mandrel end of described second adjusting knob 8 screws out the second positioning sliding block 4.
Owing to have employed above technical scheme, this detailed description of the invention has the advantages that simple in construction, easy to use, both can be used to draw ellipse, can be used to again draw circle, has been greatly improved the suitability of entirety；It is beneficial to its further genralrlization in the field.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that, the technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature carries out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of this utility model.
Claims (1)
1. a mathematical education drawing apparatus, it is characterized in that it comprises drawing board body (1), the middle part of this drawing board body (1) offers the guide chute (2) of decussation, the first positioning sliding block (3) with its clearance sliding fit and the second positioning sliding block (4) it is respectively arranged with in described guide chute (2), the ruler (5) of the upper end face of laminating drawing board body (1) it is provided with between described the first positioning sliding block (3) and the second positioning sliding block (4), this ruler (5) equidistantly offers several drawing hole (6) being available for nib traverse, it is provided with the first adjusting knob (7) between described the first positioning sliding block (3) and ruler (5), it is provided with the second adjusting knob (8) between described the second positioning sliding block (4) and ruler (5)；
When drawing circular, the screw mandrel splaying of described first adjusting knob (7) spins with the first positioning sliding block (3) through ruler (5) and is connected, and the screw mandrel splaying of described second adjusting knob (8) spins with the second positioning sliding block (4) through ruler (5) and is connected；
When drawing circular, connection that the screw mandrel splaying of described first adjusting knob (7) is threaded through the first positioning sliding block (3) through ruler (5) and drawing board body (1) spins, the screw mandrel end of described second adjusting knob (8) screws out the second positioning sliding block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620107416.8U CN205381064U (en) | 2016-01-30 | 2016-01-30 | Drawing instrument for mathematical education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620107416.8U CN205381064U (en) | 2016-01-30 | 2016-01-30 | Drawing instrument for mathematical education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205381064U true CN205381064U (en) | 2016-07-13 |
Family
ID=56350317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620107416.8U Expired - Fee Related CN205381064U (en) | 2016-01-30 | 2016-01-30 | Drawing instrument for mathematical education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205381064U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471869A (en) * | 2017-07-04 | 2017-12-15 | 东莞市乐宏塑料五金制品有限公司 | A kind of multi-functional Geometric figure drawing instrument |
| CN113459699A (en) * | 2021-07-13 | 2021-10-01 | 重庆第二师范学院 | Holder and ellipse drawing device thereof |
-
2016
- 2016-01-30 CN CN201620107416.8U patent/CN205381064U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107471869A (en) * | 2017-07-04 | 2017-12-15 | 东莞市乐宏塑料五金制品有限公司 | A kind of multi-functional Geometric figure drawing instrument |
| CN113459699A (en) * | 2021-07-13 | 2021-10-01 | 重庆第二师范学院 | Holder and ellipse drawing device thereof |
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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: 20160713 Termination date: 20180130 |