CN201183412Y - Parabola drawing board - Google Patents
Parabola drawing board Download PDFInfo
- Publication number
- CN201183412Y CN201183412Y CNU2008200194967U CN200820019496U CN201183412Y CN 201183412 Y CN201183412 Y CN 201183412Y CN U2008200194967 U CNU2008200194967 U CN U2008200194967U CN 200820019496 U CN200820019496 U CN 200820019496U CN 201183412 Y CN201183412 Y CN 201183412Y
- Authority
- CN
- China
- Prior art keywords
- support
- connecting rod
- parabola
- template bar
- drawing board
- 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
Links
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a parabola palette which comprises a support and is characterized in that the support is in a T shape, wherein, the transversal support is provided with a handle, and both sides of the vertical support are respectively provided with arc template strips which are mutually symmetrical; one end of either template strip is connected with the vertical support of the support. The parabola palette has the advantages of simple structure and convenient use, is easy for drawing various parabolas, saves the drawing time, ensures the drawing quality, and brings convenience for teaching.
Description
Technical field
The utility model relates to a kind of educational aid, and a kind of specifically parabola drawing board belongs to the realia field.
Background technology
Teacher's teaching for convenience now; can use various educational aids; when particularly on blackboard, drawing; in order to give the better Presentation Graphics of student; through regular meeting by drawing instruments such as set square, compasses, and this wherein the most awkward picture be exactly parabola, teacher can only be by Freehandhand-drawing; too complex image is expressed insufficiently in the Freehandhand-drawing process, influences teaching efficiency.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of parabola drawing board, utilizes tangible drawing instrument aided drawing, guarantees drawing effect and quality.
For addressing the above problem, the utility model by the following technical solutions:
A kind of parabola drawing board comprises support, it is characterized in that: described support is
Support, horizontal support is provided with handle, the both sides of vertical supports be respectively equipped with mutual symmetry circular arc template bar and, an end of described template bar is connected with the vertical supports of support.
Below be further improvement of these options:
The centre of described vertical supports is provided with slideway, and described slideway is provided with slide block, and described slide block is provided with the connecting rod that stretches out to both sides, and the other end of described connecting rod is connected with the template bar.
One end of described template bar and the vertical supports of support are hinged and connected.
One end and the slide block of described connecting rod are hinged and connected, and the other end of described connecting rod and template bar are hinged and connected.Beneficial effect
The utility model is simple in structure, easy to use, can draw various parabolas easily, has saved the drawing time, has guaranteed drawing quality, for teaching brings convenience.
The utility model is described in further detail below in conjunction with drawings and Examples for the utility model:
Description of drawings
Accompanying drawing is the structural representation of the utility model embodiment.
The specific embodiment
Embodiment, as shown in the figure, a kind of parabola drawing board comprises support 1, support 1 is
Support, horizontal support is provided with handle 2, the both sides of vertical supports are respectively equipped with the circular arc template bar 4 of mutual symmetry, template bar 5 Hes, template bar 4, one end of template bar 5 is connected with the vertical supports of support 1, the centre of vertical supports is provided with slideway 3, slideway 3 is provided with slide block 6, slide block 6 is provided with the connecting rod 7 that stretches out to both sides, connecting rod 8, the other end of connecting rod 7 is connected with template bar 4, the other end of connecting rod 8 is connected with template bar 5, template bar 4, one end of template bar 5 and the vertical supports of support 1 are hinged and connected, connecting rod 7, one end and the slide block 6 of connecting rod 8 are hinged and connected, the other end of connecting rod 7 and template bar 4 are hinged and connected, and the other end of connecting rod 8 and template bar 5 are hinged and connected.
Claims (4)
1, a kind of parabola drawing board comprises support (1), it is characterized in that: described support (1) for "
" support, horizontal support is provided with handle (2), the both sides of vertical supports be respectively equipped with mutual symmetry circular arc template bar (4,5) and, an end of described template bar (4,5) is connected with the vertical supports of support (1).
2, parabola drawing board according to claim 1, it is characterized in that: the centre of described vertical supports is provided with slideway (3), described slideway (3) is provided with slide block (6), described slide block (6) is provided with the connecting rod (7,8) that stretches out to both sides, and the other end of described connecting rod (7,8) is connected with template bar (4,5).
3, parabola drawing board according to claim 2 is characterized in that: an end of described template bar (4,5) and the vertical supports of support (1) are hinged and connected.
4, parabola drawing board according to claim 3 is characterized in that: an end and the slide block (6) of described connecting rod (7,8) are hinged and connected, and the other end of described connecting rod (7,8) and template bar (4,5) are hinged and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200194967U CN201183412Y (en) | 2008-03-31 | 2008-03-31 | Parabola drawing board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200194967U CN201183412Y (en) | 2008-03-31 | 2008-03-31 | Parabola drawing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201183412Y true CN201183412Y (en) | 2009-01-21 |
Family
ID=40271149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200194967U Expired - Fee Related CN201183412Y (en) | 2008-03-31 | 2008-03-31 | Parabola drawing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201183412Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739686A (en) * | 2017-02-07 | 2017-05-31 | 满洪流 | Curve tracing and measurement facility |
| CN109515039A (en) * | 2018-11-18 | 2019-03-26 | 满洪流 | One kind can collapse formula curve tracing tool |
| CN115157909A (en) * | 2022-05-03 | 2022-10-11 | 邹亮 | A fast function plotter |
-
2008
- 2008-03-31 CN CNU2008200194967U patent/CN201183412Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106739686A (en) * | 2017-02-07 | 2017-05-31 | 满洪流 | Curve tracing and measurement facility |
| CN109515039A (en) * | 2018-11-18 | 2019-03-26 | 满洪流 | One kind can collapse formula curve tracing tool |
| CN109515039B (en) * | 2018-11-18 | 2023-10-17 | 满洪流 | A collapsible curve drawing tool |
| CN115157909A (en) * | 2022-05-03 | 2022-10-11 | 邹亮 | A fast function plotter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201183412Y (en) | Parabola drawing board | |
| CN202563750U (en) | English teaching demonstration board | |
| CN202855103U (en) | Multifunctional demonstration board for English teaching | |
| CN203483064U (en) | Teaching desk | |
| CN206649719U (en) | A kind of Multifunctional English teaching display screen | |
| CN201257850Y (en) | Multipurpose teaching aid | |
| CN201506163U (en) | Ruler for drawing grid for board writing of Chinese language teaching | |
| CN203300062U (en) | A mobile teaching rack | |
| CN202029590U (en) | Multifunctional scale | |
| CN201886657U (en) | Teaching pointer | |
| CN201353957Y (en) | Analytic geometry surveying instrument | |
| CN202264557U (en) | Grid drawing aid for Chinese teaching | |
| CN204406738U (en) | A kind of Novel English classroom instruction servicing unit | |
| CN201371673Y (en) | Blackboard newspaper drawing plate in classroom | |
| CN202293913U (en) | Math teaching aid | |
| CN203192270U (en) | A teaching model of column-column intersecting line in mechanical drawing | |
| CN202365176U (en) | Teacher desk for politics teaching | |
| CN205272949U (en) | A multi -functional blank for chinese language teaching | |
| CN201054188Y (en) | Handwriting facsimiling copybook board | |
| CN203995330U (en) | The line-plotting device that a kind of primary Chinese teaching is used | |
| CN203302667U (en) | Multifunctional Chinese teaching display board | |
| CN202904907U (en) | Multimedia teaching projector especially for indoor design | |
| CN202422491U (en) | Novel English language teaching demonstration frame | |
| CN2866178Y (en) | Multifunctional combined blackboard teaching aids | |
| CN202283129U (en) | Auxiliary support for teaching |
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: 20090121 Termination date: 20100331 |