CN112223938A - Circle drawing tool for teaching - Google Patents
Circle drawing tool for teaching Download PDFInfo
- Publication number
- CN112223938A CN112223938A CN202011368684.2A CN202011368684A CN112223938A CN 112223938 A CN112223938 A CN 112223938A CN 202011368684 A CN202011368684 A CN 202011368684A CN 112223938 A CN112223938 A CN 112223938A
- Authority
- CN
- China
- Prior art keywords
- plotter
- linkage
- radius adjusting
- shell
- drawing tool
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L9/00—Circular curve-drawing or like instruments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L11/00—Non-circular-curve-drawing instruments
- B43L11/02—Non-circular-curve-drawing instruments for drawing conic sections
- B43L11/04—Non-circular-curve-drawing instruments for drawing conic sections for drawing ellipses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L12/00—Means to prevent slippage
Abstract
The invention discloses a circle drawing tool for teaching, which comprises a shell, a rotary table, a crank, an adsorption disc control valve, a handle, a circle drawing tool protective shell, a rotary cover, an adsorption disc connecting base, an exhaust pipe, an adsorption disc, an adsorption base fixing rod and a circle drawing tool, wherein the shell is of a cuboid structure, the rotary table is arranged at the center of the top of the shell, the crank is arranged at the center of the top of the rotary table, the four adsorption disc control valves are respectively arranged at four vertex angles of the shell, the handle is arranged at the center of the right side of the shell, the circle drawing tool protective shell is arranged at the center of the bottom of the shell, and the rotary cover is arranged at the bottom of the circle drawing tool protective shell. The drawing is stable, and the use experience is good.
Description
Technical Field
The invention relates to a circle drawing tool for teaching.
Background
The teaching aid is a general term of various instruments used for enabling students to visually and vividly understand teaching contents and instruments used by teachers during teaching. The teaching aid is called for short. The teaching aid can improve the learning interest of students, enrich the perceptual knowledge, help to form clear concepts and develop the observation ability and thinking ability of the students.
The teaching in-process at mathematics course needs to contact the relevant knowledge of circle, and present drawing circle instrument is comparatively crude, and functional single can not satisfy the teaching needs.
Disclosure of Invention
The invention aims to provide a circle drawing tool for teaching to solve the technical problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
a circle drawing tool for teaching comprises a shell, a rotary table, a crank, adsorption disc control valves, a handle, a circle drawing tool protective shell, a rotary cover, adsorption disc connecting bases, an exhaust pipe, an adsorption disc, adsorption base fixing rods and a circle drawing tool, wherein the shell is of a cuboid structure, the rotary table is installed at the center of the top of the shell, the crank is installed at the center of the top of the rotary table, the four adsorption disc control valves are respectively installed at four vertex angles of the shell, the handle is installed at the center of the right side of the shell, the circle drawing tool protective shell is arranged at the center of the bottom of the shell, the rotary cover is installed at the bottom of the circle drawing tool protective shell, the four adsorption disc connecting bases are fixedly connected at four bottom corners of the shell, the exhaust pipe is installed at the bottom of the adsorption disc connecting bases, the adsorption disc is installed at the bottom of the exhaust pipe, and, the circle drawing tool is installed in the center of the inner portion of the circle drawing tool protection shell.
On the basis of the technical scheme, the circle drawing tool comprises a linkage turntable, a turntable linkage rod, a transverse linkage support, a main driving gear, a transverse linkage shaft, a transverse linkage gear, a radius adjusting rod fixing knob, a plotter fixing support, a plotter linkage gear, a plotter rotating shaft, a transverse linkage gear disc and a plotter, wherein the turntable linkage rod is installed at the top of the linkage turntable, the transverse linkage support is installed above the turntable linkage rod, the main driving gear is fixedly connected to the top of the turntable linkage rod, the transverse linkage shaft is installed below the top of the transverse linkage support, the transverse linkage gear is installed on the transverse linkage shaft and is meshed with the main driving gear, the radius adjusting rod is installed above the top of the transverse linkage support, and the radius adjusting rod fixing knob is installed above the left side of the transverse linkage support, the plotter fixed bolster fixed connection is on radius adjusting lever right side, the inside below of plotter fixed bolster is installed to plotter linkage gear, plotter rotation axis fixed connection is at plotter linkage gear top, transverse linkage toothed disc fixed connection is at transverse linkage axle right-hand member to with the meshing of plotter linkage gear, the plotter is installed at plotter fixed bolster top, bottom and plotter rotation axis fixed connection.
On the basis of the technical scheme, the plotter comprises a plotter fixing knob, a rotating shaft connector, a secondary radius adjusting rod clamping groove, a secondary radius adjusting rod fixing knob, a secondary radius adjusting rod and a chalk fixing clamp, wherein the rotating shaft connector is installed at the top of the plotter fixing knob, the secondary radius adjusting rod clamping groove is fixedly connected to the top of the rotating shaft connector, the secondary radius adjusting rod fixing knob is installed on the left side of the secondary radius adjusting rod clamping groove, the secondary radius adjusting rod is installed on the inner side of the secondary radius adjusting rod clamping groove, and the chalk fixing clamp is arranged at the top of the front end of the secondary radius adjusting rod.
Compared with the prior art, the invention has the following advantages: the blackboard eraser is simple in structure and reasonable in design, the drawing of circles and ellipses is realized by combining the two adjustable radius adjusting rods, the numerical value is accurate, the operation is simple, the absorption effect on a blackboard is good, the drawing is stable, and the use experience is good.
Drawings
Fig. 1 is a schematic view of an assembly structure of the present invention.
FIG. 2 is a schematic view of the circle tool of the present invention.
FIG. 3 is a schematic diagram of the plotter structure according to the present invention.
In the figure: 1. the automatic drawing machine comprises a shell, 2. a rotary disc, 3. a crank, 4. an adsorption disc control valve, 5. a handle, 6. a circle drawing tool protective shell, 7. a rotary cover, 8. an adsorption disc connecting base, 9. an exhaust pipe, 10. an adsorption disc, 11. an adsorption base fixing rod, 12. a circle drawing tool, 13. a linkage rotary disc, 14. a rotary disc linkage rod, 15. a transverse linkage bracket, 16. a main driving gear, 17. a transverse linkage shaft, 18. a transverse linkage gear, 19. a radius adjusting rod, 20. a radius adjusting rod fixing knob, 21. a drawing device fixing bracket, 22. a drawing device linkage gear, 23. a drawing device rotating shaft, 24. a transverse linkage gear disc, 25. a drawing device, 26. a drawing device fixing knob, 27. a rotating shaft connector, 28. a secondary radius adjusting rod clamping groove, 29. a secondary radius adjusting rod fixing knob, 30. a secondary radius adjusting rod and 31. a chalk fixing clamp.
Detailed Description
The invention is explained in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1-3, a circle drawing tool for teaching comprises a housing 1, a turntable 2, a crank 3, an adsorption disc control valve 4, a handle 5, a circle drawing tool protection shell 6, a rotary cover 7, an adsorption disc connection base 8, an exhaust tube 9, an adsorption disc 10, an adsorption base fixing rod 11 and a circle drawing tool 12, wherein the housing 1 is of a cuboid structure, the turntable 2 is installed at the center of the top of the housing 1, the crank 3 is installed at the center of the top of the turntable 2, the four adsorption disc control valves 4 are respectively installed at four top corners of the housing 1, the handle 5 is installed at the center of the right side of the housing 1, the circle drawing tool protection shell 6 is arranged at the center of the bottom of the housing 1, the rotary cover 7 is installed at the bottom of the circle drawing tool protection shell 6, the four adsorption disc connection bases 8 are fixedly connected at four bottom corners of the housing 1, the exhaust tube 9 is installed at the, the adsorption disc 10 is installed at the bottom of the exhaust tube 9, four adsorption base fixing rods 11 are installed between the four adsorption disc connecting bases 8, and the circle drawing tool 12 is installed at the center of the inner portion of the circle drawing tool protection shell 6.
The circle drawing tool 12 comprises a linkage rotary table 13, a rotary table linkage rod 14, a transverse linkage support 15, a main driving gear 16, a transverse linkage shaft 17, a transverse linkage gear 18, a radius adjusting rod 19, a radius adjusting rod fixing knob 20, a plotter fixing support 21, a plotter linkage gear 22, a plotter rotating shaft 23, a transverse linkage gear disc 24 and a plotter 25, wherein the rotary table linkage rod 14 is installed at the top of the linkage rotary table 13, the transverse linkage support 15 is installed above the rotary table linkage rod 14, the main driving gear 16 is fixedly connected at the top of the rotary table linkage rod 14, the transverse linkage shaft 17 is installed below the top of the transverse linkage support 15, the transverse linkage gear 18 is installed on the transverse linkage shaft 17 and is meshed with the main driving gear 16, the radius adjusting rod 19 is installed above the top of the transverse linkage support 15, the radius adjusting rod fixing knob 20 is installed above the left side of the transverse linkage support 15, plotter fixed bolster 21 fixed connection is on the 19 right sides of radius adjustment pole, plotter linkage gear 22 is installed in the inboard below of plotter fixed bolster 21, 23 fixed connection of plotter rotation axes are at plotter linkage gear 22 tops, 24 fixed connection of transverse linkage gear dish are at 17 right-hand members of transverse linkage shaft to with the meshing of plotter linkage gear 22, the plotter 25 is installed at plotter fixed bolster 21 tops, bottom and 23 fixed connection of plotter rotation axes.
The plotter 25 includes a plotter fixing knob 26, a rotating shaft connector 27, a secondary radius adjusting lever clamping groove 28, a secondary radius adjusting lever fixing knob 29, a secondary radius adjusting lever 30, and a chalk fixing clip 31, the rotating shaft connector 27 is installed on the top of the plotter fixing knob 26, the secondary radius adjusting clamping groove 28 is fixedly connected to the top of the rotating shaft connector 27, the secondary radius adjusting lever fixing knob 29 is installed on the left side of the secondary radius adjusting clamping groove 28, the secondary radius adjusting lever 30 is installed on the inner side of the secondary radius adjusting clamping groove 28, and the chalk fixing clip 31 is arranged on the top of the front end of the secondary radius adjusting lever 30.
The working principle of the invention is as follows: when the invention is used, the lower circle drawing tool protective shell is opened, the radius adjusting rod and the secondary radius adjusting rod are adjusted according to actual drawing data and graphs, then the invention is horizontally arranged on a blackboard, the invention is integrally adsorbed on the blackboard by utilizing the adsorption disc, the circle or ellipse is drawn by rotating the turntable crank, the adsorption disc control valve is opened after the invention is used, and the invention is taken down and installed with the circle drawing tool protective shell to finish the use.
The foregoing is a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that variations, modifications, substitutions and alterations can be made in the embodiment without departing from the principles and spirit of the invention.
Claims (3)
1. The utility model provides a teaching is with instrument of drawing a circle, includes shell (1), carousel (2), crank (3), adsorbs a set control valve (4), handle (5), draws a circle instrument protective housing (6), swivel cap (7), adsorbs a set connection base (8), exhaust tube (9), adsorbs dish (10), adsorbs base dead lever (11), draws a circle instrument (12), its characterized in that: the shell (1) is of a cuboid structure, the rotary table (2) is arranged at the center of the top of the shell (1), the crank (3) is arranged at the center of the top of the rotary table (2), the four adsorption disc control valves (4) are respectively arranged at four top angles of the shell (1), the handle (5) is arranged at the center of the right side of the shell (1), the circle drawing tool protective shell (6) is arranged at the center of the bottom of the shell (1), the rotary cover (7) is arranged at the bottom of the circle drawing tool protective shell (6), the four adsorption disc connecting bases (8) are fixedly connected with four bottom angles of the shell (1), the exhaust pipe (9) is arranged at the bottom of the adsorption disc connecting base (8), the adsorption disc (10) is arranged at the bottom of the exhaust pipe (9), and the four adsorption base fixing rods (11) are arranged among the four adsorption disc connecting bases (8), the circle drawing tool (12) is installed in the center of the inner part of the circle drawing tool protection shell (6).
2. A circle drawing tool for teaching as claimed in claim 1, wherein: the circle drawing tool (12) comprises a linkage turntable (13), a turntable linkage rod (14), a transverse linkage support (15), a main driving gear (16), a transverse linkage shaft (17), a transverse linkage gear (18), a radius adjusting rod (19), a radius adjusting rod fixing knob (20), a plotter fixing support (21), a plotter linkage gear (22), a plotter rotating shaft (23), a transverse linkage gear disc (24) and a plotter (25), wherein the turntable linkage rod (14) is installed at the top of the linkage turntable (13), the transverse linkage support (15) is installed above the turntable linkage rod (14), the main driving gear (16) is fixedly connected at the top of the turntable linkage rod (14), the transverse linkage shaft (17) is installed below the top of the transverse linkage support (15), the transverse linkage gear (18) is installed on the transverse linkage shaft (17), and with main drive gear (16) meshing, install in horizontal linkage support (15) top radius adjusting lever (19), install in horizontal linkage support (15) left side top radius adjusting lever fixed knob (20), plotter fixed bolster (21) fixed connection is on radius adjusting lever (19) right side, install in plotter fixed bolster (21) inboard below plotter linked gear (22), plotter rotation axis (23) fixed connection is at plotter linked gear (22) top, horizontal linkage toothed disc (24) fixed connection is at horizontal universal driving shaft (17) right-hand member to mesh with plotter linked gear (22), plotter (25) are installed at plotter fixed bolster (21) top, bottom and plotter rotation axis (23) fixed connection.
3. A circle drawing tool for teaching as claimed in claim 2, wherein: the drawing instrument (25) comprises a drawing instrument fixing knob (26), a rotating shaft connector (27), a secondary radius adjusting rod clamping groove (28), a secondary radius adjusting rod fixing knob (29), a secondary radius adjusting rod (30) and a chalk fixing clamp (31), wherein the rotating shaft connector (27) is installed at the top of the drawing instrument fixing knob (26), the secondary radius adjusting clamping groove (28) is fixedly connected to the top of the rotating shaft connector (27), the secondary radius adjusting rod fixing knob (29) is installed on the left side of the secondary radius adjusting clamping groove (28), the secondary radius adjusting rod (30) is installed on the inner side of the secondary radius adjusting clamping groove (28), and the chalk fixing clamp (31) is arranged at the top of the front end of the secondary radius adjusting rod (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011368684.2A CN112223938A (en) | 2020-11-30 | 2020-11-30 | Circle drawing tool for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011368684.2A CN112223938A (en) | 2020-11-30 | 2020-11-30 | Circle drawing tool for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112223938A true CN112223938A (en) | 2021-01-15 |
Family
ID=74124670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011368684.2A Pending CN112223938A (en) | 2020-11-30 | 2020-11-30 | Circle drawing tool for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112223938A (en) |
Citations (17)
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|---|---|---|---|---|
| CN2042417U (en) * | 1988-11-30 | 1989-08-09 | 那文绪 | Ellipsograph |
| CN2075147U (en) * | 1990-03-27 | 1991-04-17 | 延光 | Multipurpose ellipse plotter |
| CN1141854A (en) * | 1995-08-03 | 1997-02-05 | 王启东 | Ellipsograph |
| CN2452751Y (en) * | 2000-05-05 | 2001-10-10 | 鲁觉海 | Multi-functional compasses |
| CN2585766Y (en) * | 2002-12-17 | 2003-11-12 | 福建省厦门第六中学 | Miniature campass with radius scale and protractor |
| CN201338474Y (en) * | 2009-01-16 | 2009-11-04 | 穆合塔尔·麦提努日 | Elliptical compass |
| CN201511709U (en) * | 2009-06-22 | 2010-06-23 | 许彬 | Teaching compass |
| CN204845266U (en) * | 2015-07-24 | 2015-12-09 | 安徽理工大学 | Portable drawing sired results utensil for teaching |
| CN208682463U (en) * | 2018-07-18 | 2019-04-02 | 李天民 | A kind of ellipsograph |
| CN209813545U (en) * | 2019-03-25 | 2019-12-20 | 邵阳职业技术学院 | Plane coordinate arc line plotter for mathematical education |
| CN110890000A (en) * | 2019-12-06 | 2020-03-17 | 南京工业职业技术学院 | Hyperbola definition demonstration and curve drawing instrument |
| CN210478224U (en) * | 2019-08-14 | 2020-05-08 | 牛万英 | Drawing compasses for junior middle school mathematics teaching |
| CN210526134U (en) * | 2019-08-02 | 2020-05-15 | 绘笔教育科技(深圳)有限责任公司 | Quick response's intelligent writing and drawing mechanical device |
| CN210706652U (en) * | 2019-10-14 | 2020-06-09 | 包头职业技术学院 | Multi-functional advanced mathematics plotter |
| CN211195628U (en) * | 2019-11-22 | 2020-08-07 | 杨彦琴 | Drawing tool for teaching of mathematics class |
| CN211969012U (en) * | 2020-03-27 | 2020-11-20 | 铜仁学院 | Novel teaching aid for mathematical education |
| CN112428726A (en) * | 2020-11-27 | 2021-03-02 | 绥化学院 | Plotter for applied mathematics teaching |
-
2020
- 2020-11-30 CN CN202011368684.2A patent/CN112223938A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042417U (en) * | 1988-11-30 | 1989-08-09 | 那文绪 | Ellipsograph |
| CN2075147U (en) * | 1990-03-27 | 1991-04-17 | 延光 | Multipurpose ellipse plotter |
| CN1141854A (en) * | 1995-08-03 | 1997-02-05 | 王启东 | Ellipsograph |
| CN2452751Y (en) * | 2000-05-05 | 2001-10-10 | 鲁觉海 | Multi-functional compasses |
| CN2585766Y (en) * | 2002-12-17 | 2003-11-12 | 福建省厦门第六中学 | Miniature campass with radius scale and protractor |
| CN201338474Y (en) * | 2009-01-16 | 2009-11-04 | 穆合塔尔·麦提努日 | Elliptical compass |
| CN201511709U (en) * | 2009-06-22 | 2010-06-23 | 许彬 | Teaching compass |
| CN204845266U (en) * | 2015-07-24 | 2015-12-09 | 安徽理工大学 | Portable drawing sired results utensil for teaching |
| CN208682463U (en) * | 2018-07-18 | 2019-04-02 | 李天民 | A kind of ellipsograph |
| CN209813545U (en) * | 2019-03-25 | 2019-12-20 | 邵阳职业技术学院 | Plane coordinate arc line plotter for mathematical education |
| CN210526134U (en) * | 2019-08-02 | 2020-05-15 | 绘笔教育科技(深圳)有限责任公司 | Quick response's intelligent writing and drawing mechanical device |
| CN210478224U (en) * | 2019-08-14 | 2020-05-08 | 牛万英 | Drawing compasses for junior middle school mathematics teaching |
| CN210706652U (en) * | 2019-10-14 | 2020-06-09 | 包头职业技术学院 | Multi-functional advanced mathematics plotter |
| CN211195628U (en) * | 2019-11-22 | 2020-08-07 | 杨彦琴 | Drawing tool for teaching of mathematics class |
| CN110890000A (en) * | 2019-12-06 | 2020-03-17 | 南京工业职业技术学院 | Hyperbola definition demonstration and curve drawing instrument |
| CN211969012U (en) * | 2020-03-27 | 2020-11-20 | 铜仁学院 | Novel teaching aid for mathematical education |
| CN112428726A (en) * | 2020-11-27 | 2021-03-02 | 绥化学院 | Plotter for applied mathematics teaching |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210115 |