CN205058984U - Multi -functional mathematics teaching aid of portable - Google Patents
Multi -functional mathematics teaching aid of portable Download PDFInfo
- Publication number
- CN205058984U CN205058984U CN201520820449.2U CN201520820449U CN205058984U CN 205058984 U CN205058984 U CN 205058984U CN 201520820449 U CN201520820449 U CN 201520820449U CN 205058984 U CN205058984 U CN 205058984U
- Authority
- CN
- China
- Prior art keywords
- chi body
- slider
- chute
- spout
- slide block
- 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 relates to a portable multi -functional mathematics teaching aid belongs to mathematics teaching aid field, including the chi body and protractor, protractor one corner articulates the tail end at the chi body, the department is provided with spout no. 1 in the middle of the chi body, there are two sliders no. 3 in the spout no. 1, two sliders no. 3 are connected through the rope, the cover has chalk cover no. 2 on the rope, the upper surface and the lower surface of the chi body are equipped with spout no. 2 and spout no. 3 respectively, be provided with slider no. 1 and slider no. 2 in the spout no. 1, the articulated extension rule that has is gone up to slider no. 1, the articulated connecting rod that has is gone up to slider no. 2, be provided with the card hole on the connecting rod, extension rule's the other end is equipped with the buckle, the lower left corner of the chi body articulates there is the supporting seat, the lower left corner of the chi body is fixed with the baffle of supporting seat, be provided with slider no. 4 in the spout, the articulated chalk installation cover that has is gone up to slider no. 4. The utility model discloses multiple mapping tool combination uses, simple structure, and convenient to use, convenient to carry, save time, drawing figure are comparatively accurate, and it is lighter to draw, has alleviateed mathematical education personnel's labour.
Description
Technical field
The utility model belongs to mathematical teaching apparatus field, is specifically related to a kind of portable multi-function mathematics teaching aid.
Background technology
In the process of mathematical education, a lot of assistant teaching aids is needed to complete mapping, such as ruler, compasses, ellipsograph, set square and protractor, teacher at school time need mapping time, carry a lot of drawing tools, trouble so very, need to be used alternatingly multiple drawing tool when drawing, so not only, lose time but also waste muscle power, also some combination ruler body still combines because of multiple chi body now in addition, make chi body carry inconvenience, therefore need a kind of multiple drawing tool combination, and the mathematics teaching aid be convenient for carrying.
Utility model content
The purpose of this utility model is to provide a kind of portable multi-function mathematics teaching aid, solves the single use of drawing tool, wastes time and energy, and carries the problem of inconvenience.
The utility model relates to a kind of portable multi-function mathematics teaching aid, comprise chi body and protractor, protractor one jiao is hinged on the tail end of chi body, the middle of chi body is provided with chute one, two slide blocks three are had in chute one, two slide blocks three are connected by rope, on rope, cover has chalk sleeve two, the upper surface of chi body and lower surface are respectively equipped with chute two and chute three, slide block one and slide block two is provided with in chute one, slide block one is hinged with shrinkage-rule, slide block two is hinged with connecting rod, connecting rod is provided with hole clipping, the other end of shrinkage-rule is provided with buckle, the lower left corner of chi body is hinged with supporting seat, the top of supporting seat is provided with locking pin, the lower left corner of chi body is fixed with the baffle plate of supporting seat, slide block four is provided with in chute, slide block four is hinged with chalk installation sleeve, chalk installation sleeve is provided with clamp nut.
Protractor is provided with the curved groove that curvature is 1, in curved groove, is provided with chalk sleeve one, the curve that curvature is 1 can be drawn fast.
Shrinkage-rule is provided with adjusting nut, the length of shrinkage-rule can be regulated, buckle is coordinated with the hole clipping on connecting rod, thus draw the right angled triangle of different angles.
Compared with prior art, the utility model has the advantage of:
Multiple drawing tool combinationally uses, and structure is simple, easy to use, easy to carry, saves time, and graphing is comparatively accurate, draws more light, alleviates the labour of mathematical education personnel.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the cross section structure schematic diagram of chi body;
In figure: 1, slide block one, 2, shrinkage-rule, 3, adjusting nut, 4, slide block two, 5, hole clipping, 6, connecting rod, 7, chi body, 8, chute one, 9, slide block three, 10, protractor, 11, curved groove, 12, chalk sleeve one, 13, rope, 14, slide block four, 15, chalk installation sleeve, 16, clamp nut, 17, chalk sleeve two, 18, supporting seat, 19, supporting seat baffle plate, 20, chute two, 21, chute three.
Detailed description of the invention
Contrast accompanying drawing below, detailed description of the invention of the present utility model is described in further detail.
The utility model relates to a kind of Portable multifunctional mathematics teaching aid as shown in Figure 1, comprise chi body 7 and protractor 10, protractor 10 1 jiaos is hinged on the tail end of chi body 7, the middle of chi body 7 is provided with chute 1, two slide blocks 39 are had in chute 1, two slide blocks 39 are connected by rope 13, on rope 13, cover has chalk sleeve 2 17, the upper surface of chi body 7 and lower surface are respectively equipped with chute 2 20 and chute 3 21, slide block 1 and slide block 24 is provided with in chute 2 20, slide block 1 is hinged with shrinkage-rule 2, slide block 24 is hinged with connecting rod 6, connecting rod 6 is provided with hole clipping 5, the other end of shrinkage-rule 2 is provided with buckle, the lower left corner of chi body 7 is hinged with supporting seat 18, the top of supporting seat 18 is provided with locking pin, the lower left corner of chi body 7 is fixed with supporting seat baffle plate 19, slide block 4 14 is provided with in chute 3 21, slide block 4 14 is hinged with chalk installation sleeve 15, chalk installation sleeve 15 is provided with clamp nut 16.
Protractor 10 is provided with the curved groove 11 that curvature is 1, in curved groove 11, is provided with chalk sleeve 1, the curve that curvature is 1 can be drawn fast.
Shrinkage-rule 2 is provided with adjusting nut 3, the length of shrinkage-rule 2 can be regulated, buckle is coordinated with the hole clipping 5 on connecting rod, thus draw the right angled triangle of different angles.
During use, chi body 7 can be utilized to draw and measure straight line, utilization hornwork 10 is drawn and is measured angle, chalk is put in chalk sleeve 2 17, distance between adjusting slider 39 just can draw different ellipses, chalk is put in chalk installation sleeve 15, utilize the locking pin in supporting seat 18 can draw the circle of different radii as the center of circle, because supporting seat 18 and chalk installation sleeve 15 are hinged, can receive in chute 3 21, be convenient for carrying, curved groove 11 in utilization hornwork 10 and chalk sleeve 1 can draw the curve that curvature is 1, buckle in shrinkage-rule 2 can be snapped in the different hole clipping of connecting rod 65, draw the right angled triangle of different angles, moving slider 1 and slide block 24 all can receive in chute 2 20 shrinkage-rule 2 and connecting rod 6, thus reach the object be convenient for carrying.
In sum, multiple drawing tool combinationally uses, and structure is simple, easy to use, easy to carry, saves time, and graphing is comparatively accurate, draws more light, alleviates the labour of mathematical education personnel.
Claims (3)
1. a Portable multifunctional mathematics teaching aid, comprise chi body (7) and protractor (10), protractor (10) one jiaos is hinged on the tail end of chi body (7), the middle of chi body (7) is provided with chute one (8), two slide blocks three (9) are had in chute one (8), two slide blocks three (9) are connected by rope (13), the upper cover of rope (13) has chalk sleeve two (17), it is characterized in that upper surface and the lower surface of chi body (7) are respectively equipped with chute two (20) and chute three (21), slide block one (1) and slide block two (4) is provided with in chute two (20), slide block one (1) is hinged with shrinkage-rule (2), slide block two (4) is hinged with connecting rod (6), connecting rod (6) is provided with hole clipping (5), the other end of shrinkage-rule (2) is provided with buckle, the lower left corner of chi body (7) is hinged with supporting seat (18), the top of supporting seat (18) is provided with locking pin, the lower left corner of chi body (7) is fixed with supporting seat baffle plate (19), slide block four (14) is provided with in chute three (21), slide block four (14) is hinged with chalk installation sleeve (15), chalk installation sleeve (15) is provided with clamp nut (16).
2. Portable multifunctional mathematics teaching aid according to claim 1, is characterized in that protractor (10) being provided with the curved groove (11) that curvature is 1, is provided with chalk sleeve one (12) in curved groove (11).
3. Portable multifunctional mathematics teaching aid according to claim 1, is characterized in that shrinkage-rule (2) is provided with adjusting nut (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820449.2U CN205058984U (en) | 2015-10-22 | 2015-10-22 | Multi -functional mathematics teaching aid of portable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520820449.2U CN205058984U (en) | 2015-10-22 | 2015-10-22 | Multi -functional mathematics teaching aid of portable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205058984U true CN205058984U (en) | 2016-03-02 |
Family
ID=55385581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520820449.2U Expired - Fee Related CN205058984U (en) | 2015-10-22 | 2015-10-22 | Multi -functional mathematics teaching aid of portable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205058984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107284086A (en) * | 2017-07-19 | 2017-10-24 | 郑金风 | A kind of teaching aid semi-circle ruler |
-
2015
- 2015-10-22 CN CN201520820449.2U patent/CN205058984U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107284086A (en) * | 2017-07-19 | 2017-10-24 | 郑金风 | A kind of teaching aid semi-circle 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20161022 |