CN205416886U - Mathematics teaching ruler that draws - Google Patents
Mathematics teaching ruler that draws Download PDFInfo
- Publication number
- CN205416886U CN205416886U CN201520808754.XU CN201520808754U CN205416886U CN 205416886 U CN205416886 U CN 205416886U CN 201520808754 U CN201520808754 U CN 201520808754U CN 205416886 U CN205416886 U CN 205416886U
- Authority
- CN
- China
- Prior art keywords
- main scale
- sliding seat
- work
- protractor
- open
- 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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Abstract
The utility model discloses a mathematics teaching ruler that draws, including sliding seat, slip knob, vice chi, chalk survey and drawing ware, protractor and main scale, main scale one side is provided with the main scale scale, the main scale opposite side is provided with sliding guide, a plurality of geometric figure holes that differ in size are seted up at the main scale middle part, the main scale both ends all are equipped with the permanent magnet, the last sliding seat that is provided with of sliding guide, the sliding seat both ends are equipped with the slip knob, the sliding seat bottom is equipped with the pilot pin, the sliding seat top is equipped with semi -circular protractor, the protractor upper end is rotated and is connected vice chi, vice chi bottom is equipped with spacing arch, be equipped with long through -hole on the vice chi, slide in the long through -hole and be provided with chalk survey and drawing ware, be equipped with the ledge for chalk on blackboard in the chalk survey and drawing ware, a function improves drawing efficiency and quality of instruction, convenient to carry that mathematics teaching ruler that draws, simple structure, convenient to use, it is swift to draw, and the stability of drawing is good, and can realize drawing the circle, draw the straight line, the measurement angle degree, draw geometric figure fast.
Description
Technical field
This utility model relates to teaching equipment field, specifically a kind of mathematics picture teaching ruler.
Background technology
At present, in order to teach mathematical knowledge, teacher it is frequently necessary to draw on blackboard with chalk, conventional drawing tools such as set square, may be used for picture triangle, and ruler can be used to picture straight line, and ellipse draws instrument the most accordingly.These drawing teaching aids used are drawn, and it is disadvantageous in that: function is more single, and quantity is a lot, receives and carry all inconvenient, especially lacks when drawing semicircle, measuring angle and straight line and facilitates handy teaching aid, it is impossible to meet the needs that teacher gives lessons.
Utility model content
The purpose of this utility model is to provide a kind of mathematics picture teaching ruler, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of mathematics picture teaching ruler, including sliding seat, sliding knob, secondary chi, chalk mapping instrument, protractor and main scale, described main scale side is provided with main scale scale, main scale opposite side is provided with rail plate, multiple geometric figure hole differed in size is offered in the middle part of main scale, main scale two ends are equipped with permanent magnet, sliding seat it is provided with on rail plate, sliding seat two ends are provided with sliding knob, positioning needle it is provided with bottom sliding seat, sliding seat top is provided with semicircle protractor, protractor upper end is rotationally connected secondary chi, it is provided with spacing preiection bottom secondary chi, secondary chi is provided with long through-hole, slide in long through-hole and be provided with chalk mapping instrument, it is provided with ledge for chalk on blackboard in chalk mapping instrument, the side of secondary chi is provided with secondary chi scale.
As further program of the utility model: the elongated structure of described rail plate is also made with the injection of main scale integral type.
As further program of the utility model: described geometric figure hole is circle open-work, oval open-work, triangle open-work, rectangle open-work, pentagon open-work, hexagon open-work, arc open-work and wave open-work.
As further program of the utility model: described positioning needle is towards main scale scale.
As further program of the utility model: described protractor, sliding seat and positioning needle are that integral type injection is made.
As further program of the utility model: described spacing preiection is parallel to secondary chi and arranges, and protractor is provided with the groove matched with spacing preiection.
Compared with prior art, the beneficial effects of the utility model are: described a kind of mathematics picture teaching ruler, simple in construction, easy to use, draw fast, drawing good stability, it is possible to realize drafting circle, draw straight line, measurement angle, the quickly geometric function of picture, improve drawing efficiency and quality of instruction, easy to carry.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-main scale scale, 2-positioning needle, 3-sliding seat, 4-sliding knob, 5-spacing preiection, 6-pair chi, 7-chalk mapping instrument, 8-pair chi scale, 9-ledge for chalk on blackboard, 10-long through-hole, 11-protractor, 12-rail plate, 13-geometric figure hole, 14-main scale, 15-permanent magnet.
Detailed description of the invention
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, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，In this utility model embodiment，A kind of mathematics picture teaching ruler，Including sliding seat 3、Sliding knob 4、Secondary chi 6、Chalk mapping instrument 7、Protractor 11 and main scale 14，Described main scale 14 side is provided with main scale scale 1，Main scale 14 opposite side is provided with rail plate 12，The elongated structure of rail plate 12 is also made with the injection of main scale 14 integral type，Multiple geometric figure hole 13 differed in size is offered in the middle part of main scale 14，Geometric figure hole 13 is circle open-work、Oval open-work、Triangle open-work、Rectangle open-work、Pentagon open-work、Hexagon open-work、Arc open-work and wave open-work，The various graphics sets that teaching is conventional are integrated，Easy to carry，Convenient and swift drawing，Main scale 14 two ends are equipped with permanent magnet 15，Arranging of permanent magnet 15 facilitates main scale 14 to be fixed on blackboard，Increase the stability drawn，It is provided with sliding seat 3 on described rail plate 12，Sliding seat 3 two ends are provided with sliding knob 4，Sliding knob 4 is easy to be fixed on rail plate 12 sliding seat 3，Positioning needle 2 it is provided with bottom sliding seat 3，Positioning needle 2 is towards main scale scale 1，Sliding seat 3 top is provided with semicircle protractor 11，Protractor 11、Sliding seat 3 and positioning needle 2 are made for integral type injection，Protractor 11 upper end is rotationally connected secondary chi 6，It is provided with spacing preiection 5 bottom secondary chi 6，Spacing preiection 5 is parallel to secondary chi 6 and arranges，Protractor 11 is provided with the groove matched with spacing preiection 5，When spacing preiection 5 snaps in the groove of protractor 11，Secondary chi 6 is vertically arranged with main scale 14，Secondary chi 6 is provided with long through-hole 10，Slide in long through-hole 10 and be provided with chalk mapping instrument 7，Ledge for chalk on blackboard 9 it is provided with in chalk mapping instrument 7，The side of secondary chi 6 is provided with secondary chi scale 8，The chalk mapping instrument 7 position on secondary chi scale 8 is set by slip and rotates the radius of drafting circle，Revolute pair chi 6 makes it rotate around protractor 11 and draws circle，When spacing preiection 5 snaps in the groove of protractor 11，Secondary chi 6 is vertically arranged with main scale 14，Sliding seat 3 moves along rail plate 12，Chalk mapping instrument 7 can realize the drafting to parallel lines，When secondary chi 6 rotates parallel with main scale 14，It is easy to carry.
Operation principle of the present utility model is: described a kind of mathematics picture teaching ruler, and simple in construction is easy to use, draw fast, drawing good stability, it is possible to realize drafting circle, draw straight line, measurement angle, the quickly geometric function of picture, improve drawing efficiency and quality of instruction, easy to carry.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (6)
1. a mathematics picture teaching ruler, including sliding seat, sliding knob, secondary chi, chalk mapping instrument, protractor and main scale, it is characterized in that, described main scale side is provided with main scale scale, main scale opposite side is provided with rail plate, multiple geometric figure hole differed in size is offered in the middle part of main scale, main scale two ends are equipped with permanent magnet, sliding seat it is provided with on rail plate, sliding seat two ends are provided with sliding knob, positioning needle it is provided with bottom sliding seat, sliding seat top is provided with semicircle protractor, protractor upper end is rotationally connected secondary chi, it is provided with spacing preiection bottom secondary chi, secondary chi is provided with long through-hole, slide in long through-hole and be provided with chalk mapping instrument, it is provided with ledge for chalk on blackboard in chalk mapping instrument, the side of secondary chi is provided with secondary chi scale.
A kind of mathematics picture teaching ruler the most according to claim 1, it is characterised in that the elongated structure of described rail plate is also made with the injection of main scale integral type.
A kind of mathematics picture teaching ruler the most according to claim 1, it is characterised in that described geometric figure hole is circle open-work, oval open-work, triangle open-work, rectangle open-work, pentagon open-work, hexagon open-work, arc open-work and wave open-work.
A kind of mathematics picture teaching ruler the most according to claim 1, it is characterised in that described positioning needle is towards main scale scale.
A kind of mathematics picture teaching ruler the most according to claim 1, it is characterised in that described protractor, sliding seat and positioning needle are that integral type injection is made.
A kind of mathematics picture teaching ruler the most according to claim 1, it is characterised in that described spacing preiection is parallel to secondary chi and arranges, and protractor is provided with the groove matched with spacing preiection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520808754.XU CN205416886U (en) | 2015-10-20 | 2015-10-20 | Mathematics teaching ruler that draws |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520808754.XU CN205416886U (en) | 2015-10-20 | 2015-10-20 | Mathematics teaching ruler that draws |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205416886U true CN205416886U (en) | 2016-08-03 |
Family
ID=56517044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520808754.XU Expired - Fee Related CN205416886U (en) | 2015-10-20 | 2015-10-20 | Mathematics teaching ruler that draws |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205416886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107584937A (en) * | 2017-08-26 | 2018-01-16 | 朱冠臣 | A kind of high school mathematicses plotting unit |
-
2015
- 2015-10-20 CN CN201520808754.XU patent/CN205416886U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107584937A (en) * | 2017-08-26 | 2018-01-16 | 朱冠臣 | A kind of high school mathematicses plotting unit |
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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: 20160803 Termination date: 20171020 |