CN107984939A - A kind of mathematical education drawing instrument - Google Patents
A kind of mathematical education drawing instrument Download PDFInfo
- Publication number
- CN107984939A CN107984939A CN201711247837.6A CN201711247837A CN107984939A CN 107984939 A CN107984939 A CN 107984939A CN 201711247837 A CN201711247837 A CN 201711247837A CN 107984939 A CN107984939 A CN 107984939A
- Authority
- CN
- China
- Prior art keywords
- main scale
- disk
- ruler
- splicing main
- positioning rule
- 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
Links
Classifications
-
- 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
- B43L7/00—Straightedges
- B43L7/10—Plural straightedges relatively movable
- B43L7/14—Square and sliding straight edges
-
- 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
- B43L12/02—Means to prevent slippage magnetic
-
- 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
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/001—Mathematical drawing instruments
-
- 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
- B43L9/007—Circular curve-drawing or like instruments with perforated or marked rulers
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The present invention relates to a kind of mathematical education drawing instrument, belong to mathematics teaching aid technical field;The outer wall of the strong magnet is equipped with an even symmetrical notch;Straight slot is equipped between described two notches;The outside of the company notch is equipped with sucker;The positioning rule is movably connected on splicing main scale;The centre of the splicing main scale top and bottom sidewall, which is equipped with, to be slided;The positioning rule bottom is equipped with draw runner and cooperates with sliding slot, and the positioning rule is equipped with springhole;The top of the positioning rule is equipped with pen container;The pen container is corresponded with springhole, and the pen container is equipped with marking pen fixing piece;One end of the auxiliary scale is equipped with cutting.Reasonable in design, flexibility is good, and stability is high, can complete the demand that teaching is drawn, some troubles existing in the prior art can be reduced, drawing efficiency is improved, improves the accuracy of drawing, drawing instrument it is easy to operate, students can appear on the stage demonstration, increase classroom interaction.
Description
Technical field
The present invention relates to a kind of mathematical education drawing instrument, belong to mathematics teaching aid technical field.
Background technology
In the teaching of many knowledge points of mathematics, essential, the drawing instrument that existing teacher uses during drawing
Weight is also relatively more, and simple is exactly the drafting of line segment class, and complicated meeting is related to circle, arc, irregular figure etc.;It is existing
If desired compasses in technology are drawn according to radius or diameter in use, realization must mark radius by means of straightedge rule
Or diameter, mutually switch between instrument, however it remains many inconvenience.
Present teaching departing from the teaching of blackboard and chalk, uses the cooperation of magnetic white board and marking pen substantially substantially,
Or using projection teaching's method;Environmental protection, health;It is very smooth on magnetic white board, draw there are certain difficulty, many experienced religions
Teacher can on blackboard hand drawn, still, hand drawn is required for by means of drawing there are certain difficulty substantially on blank
Instrument, in the prior art, when spliced drawing figure tool operation is comparatively laborious to be switched over, it is necessary to adjust accessory, single
It is also required to mutually switch between drawing instrument, not only influences drawing efficiency, can also influences classroom teaching efficiency.
It is few with the situation of student's interaction on classroom due to the drawing difficulty of drawing instrument in the prior art, because
It is raw to draw completely, time in classroom can be wasted, this can influence classroom atmosphere to a certain extent, always be that teacher explains, inevitable shadow
Ring the enthusiasm of some students.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of simple in structure, design rationally, make
With convenient mathematical education drawing instrument.
To achieve the above object, the technical solution adopted by the present invention is:It includes splicing main scale, circular hole, disk, flexible
Column, positioning rule, sliding slot, auxiliary scale, cutting, shallow slot, slot, hoodle, springhole, pen container, marking pen fixing piece;The splicing master
One end of ruler is equipped with circular hole;Disk is inlaid with the circular hole;Engaged between the disk and the inner wall of circular hole by gear;Institute
The centre for stating disk is equipped with telescopic mast;The bottom of the telescopic mast is equipped with strong magnet;The outer wall of the strong magnet is equipped with even a right
The notch of title;Straight slot is equipped between described two notches;The outside of the company notch is equipped with sucker;The positioning rule activity connects
It is connected on splicing main scale;The centre of the splicing main scale top and bottom sidewall, which is equipped with, to be slided;The positioning rule bottom is equipped with draw runner and sliding slot
Cooperate, the positioning rule is equipped with elastic spacing one;The positioning rule is equipped with springhole;Set above the positioning rule
There is pen container;The pen container is corresponded with springhole, and the pen container is equipped with marking pen fixing piece;One end of the auxiliary scale
Equipped with cutting;The other end of auxiliary scale and the other end of splicing main scale are equipped with slot;The both sides of the cutting are equipped with shallow slot;Institute
The inner wall for stating slot is equipped with hoodle;The hoodle cooperates with shallow slot;The splicing main scale, auxiliary scale allow equipped with marking pen
Position groove.
Preferably, the disk is arranged on adjustable rule, the adjustable rule is slidably arranged in splicing as positioning rule
Corresponding with disk on main scale, for the positioning rule to lengthen ruler, springhole, pen container are arranged on same horizontal line with disk
On.
Preferably, the splicing main scale is equipped with graduation mark layer;The graduation mark layer is paste formula graduation mark layer, can be with
Replace, can meet the requirement of different drafting accuracies.
Preferably, one end that the splicing main scale is equipped with disk is equipped with protractor.
Preferably, the splicing main scale is double-deck ruler, bottom ruler is connected using disk as axle center with splicing main scale;Bottom ruler
Protractor can be coordinated to make angle line segment.
Preferably, the cutting is U-shaped elastic cutting, easy to connect positioning.
Preferably, the marking pen fixing piece is flexible fastening piece, marking pen is fixed by high-elastic structure, can be used
The elastic construction of paintbrush is fixed in existing compasses, such structure is very much, and is mature technology, technically simple, no longer superfluous here
State.
Preferably, the splicing main scale is equipped with several threaded holes, the threaded hole is used for attended operation handle.
Preferably, the splicing main scale and auxiliary scale are plastics or wooden ruler body, cost is low, easy to carry.
Preferably, the telescopic mast is sleeve connection form, positioned between sleeve by the interference fit between edge.
The elastic spacing one present invention uses the principle of compasses, and its principle is utilized on ruler, fixed ruler
One end, will regulate the position of positioning rule as needed, and under the action of gear intermeshing, running fix ruler can draw circle
Shape, the drafting without that can complete a variety of figures in other instruments, double-deck splicing main scale can coordinate protractor to draw angle
Spend line segment;The fixed position of centre point and marking pen can be arranged on the centre of splicing main scale, can also be arranged on splicing main scale
Side, the position of disk can adjust, and the distance between disk and positioning rule can be adjusted arbitrarily, can be by splicing main scale
Draw less circle;The combination for being located through magnetic force and suction in the center of circle is completed in disk, suction fit magnetic force, and suction with
Magnetic force complements each other, and after the completion of drawing, line pushs sucker aside, and the middle entering part air of strong magnet, destructive power part is magnetic, easily
Take away.
During present invention operation, auxiliary scale is installed as needed, straight-line segment and angle line segment by bilayer splicing main scale with
Protractor can be completed, and if desired draw circle, it may be determined that diameter of a circle, regulates the distance between positioning rule and disk, be
Diameter, installs marking pen in pen container, fixes marking pen upper semisection by marking pen fixing piece, the lower semisection of marking pen passes through
Springhole is fixed, and releases the telescopic mast in disk, is selected the position in the center of circle, strong magnet is aligned with the center of circle, then press both sides
Sucker, after the center of circle is fixed, rotates the other end of splicing main scale, marking pen is in blank upper drawing circle.
With the above structure, the present invention has the beneficial effect that:A kind of mathematical education drawing instrument of the present invention, knot
Structure design is reasonable, and flexibility is good, and stability is high, can complete the demand that teaching is drawn, can reduce existing in the prior art one
A little troubles, improve drawing efficiency, improve the accuracy of drawing, drawing instrument it is easy to operate, students can appear on the stage demonstration, increase
Classroom interaction, improves the atmosphere of classroom learning, and the present invention has the advantages that simple in structure, it is reasonable to set, low manufacture cost.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is the side view of positioning rule in the present invention;
Fig. 3 is the side view of auxiliary scale in the present invention;
Fig. 4 is the schematic diagram of slot in the present invention, hoodle;
Fig. 5 is the schematic diagram of telescopic mast in the present invention;
Fig. 6 is the schematic diagram of strong magnet and sucker in the present invention;
Fig. 7 is the schematic diagram of the specific embodiment of the invention two.
Description of reference numerals:
Splice main scale 1, circular hole 2, disk 3, telescopic mast 4, positioning rule 5, sliding slot 6, auxiliary scale 7, cutting 8, shallow slot 9, slot 10, bullet
Pearl 11, springhole 12, pen container 13, marking pen fixing piece 14, adjustable rule 15, strong magnet 41, notch 42, straight slot 43, sucker 44, quarter
Spend line layer 101, operation handle 16, protractor 17.
Embodiment
Embodiment one:
The present invention is further illustrated below in conjunction with the accompanying drawings.
Referring to such as Fig. 1 -- shown in Fig. 6, present embodiment includes splicing main scale 1, circular hole 2, disk 3, telescopic mast 4, fixed
Position ruler 5, sliding slot 6, auxiliary scale 7, cutting 8, shallow slot 9, slot 10, hoodle 11, springhole 12, pen container 13, marking pen fixing piece 14;
One end of the splicing main scale 1 is equipped with circular hole 2;Disk 3 is inlaid with the circular hole 2;The inner wall of the disk 3 and circular hole 2 it
Between engaged by gear;The centre of the disk 3 is equipped with telescopic mast 4;The bottom of the telescopic mast 4 is equipped with strong magnet 41;It is described
The outer wall of strong magnet 41 is equipped with an even symmetrical notch 42;Straight slot 43 is equipped between described two notches 42;The company notch
42 outside is equipped with sucker 44;The positioning rule 5 is movably connected on splicing main scale 1;In splicing 1 top and bottom sidewall of main scale
Between be equipped with sliding slot 6;5 bottom of positioning rule cooperates equipped with draw runner with sliding slot 6, and the positioning rule 5 is equipped with springhole 12;
The top of the positioning rule 55 is equipped with pen container 13;The pen container 13 is corresponded with springhole 12, and the pen container 13 is equipped with
Marking pen fixing piece 14;One end of the auxiliary scale 7 is equipped with cutting 8;The other end of auxiliary scale 7 and the other end for splicing main scale are equal
Equipped with slot 10;The both sides of the cutting 8 are equipped with shallow slot 9;The inner wall of the slot 10 is equipped with hoodle 11;The hoodle 11 with it is shallow
Groove 9 cooperates;The splicing main scale 1, auxiliary scale 7 are equipped with marking pen recessing groove.
Wherein, the splicing main scale 1 is equipped with graduation mark layer 101;The graduation mark layer 101 is paste formula graduation mark layer,
It can replace, can meet the requirement of different drafting accuracies.One end that the splicing main scale 1 is equipped with disk 3 is equipped with protractor 17.
The splicing main scale 1 is double-deck ruler, and bottom ruler is connected with disk 3 for axle center with splicing main scale 1;Bottom ruler is to coordinate protractor to make
Angle line segment.The cutting 8 is U-shaped elastic cutting, easy to connect positioning.The marking pen fixing piece 14 is flexible fastening piece,
Marking pen to be fixed by high-elastic structure, the elastic construction that paintbrush is fixed in existing compasses can be used, such structure is very much, and
It is mature technology, technically simple, which is not described herein again.The splicing main scale 1 is equipped with several threaded holes, and the threaded hole is used for
Attended operation handle 16.The splicing main scale 1 and auxiliary scale 7 are plastics or wooden ruler body, and cost is low, easy to carry;It is described to stretch
Contracting column 4 is sleeve connection form, is positioned between sleeve by the interference fit between edge.
Embodiment two:
With reference to figure 2- Fig. 7, the difference of present embodiment and embodiment one is:The disk 3 is arranged on
On adjustable rule 15, the adjustable rule 15 is slidably arranged in as positioning rule 5 on splicing main scale, corresponding with disk 3, described
To lengthen ruler, springhole, pen container are set in the same horizontal line positioning rule 5 with disk.Other structures and embodiment
One is identical.
The embodiment of the present invention uses the principle of compasses, and its principle is utilized on ruler, fixed ruler
One end, will regulate the position of positioning rule as needed, and under the action of gear intermeshing, running fix ruler can draw circle
Shape, the drafting without that can complete a variety of figures in other instruments, double-deck splicing main scale can coordinate protractor to draw angle
Spend line segment;The fixed position of centre point and marking pen can be arranged on the centre of splicing main scale, can also be arranged on splicing main scale
Side, the position of disk can adjust, and the distance between disk and positioning rule can be adjusted arbitrarily, can be by splicing main scale
Draw less circle;The combination for being located through magnetic force and suction in the center of circle is completed in disk, suction fit magnetic force, and suction with
Magnetic force complements each other, and after the completion of drawing, line pushs sucker aside, and the middle entering part air of strong magnet, destructive power part is magnetic, easily
Take away.During present invention operation, auxiliary scale is installed as needed, straight-line segment passes through bilayer splicing main scale and angulation with angle line segment
Device can be completed, and if desired draw circle, it may be determined that and diameter of a circle, regulates the distance between positioning rule and disk, is diameter,
Marking pen is installed in pen container, marking pen upper semisection is fixed by marking pen fixing piece, the lower semisection of marking pen passes through elasticity
Hole is fixed, and releases the telescopic mast in disk, selectes the position in the center of circle, strong magnet is aligned with the center of circle, then presses the sucker of both sides,
After the center of circle is fixed, the other end of splicing main scale is rotated, marking pen is in blank upper drawing circle.
A kind of mathematical education drawing instrument of the present invention, reasonable in design, flexibility is good, and stability is high, can
To complete the demand that teaching is drawn, some troubles existing in the prior art can be reduced, drawing efficiency is improved, improves the standard of drawing
Degree, drawing instrument it is easy to operate, students can appear on the stage demonstration, increase classroom interaction, improve the atmosphere of classroom learning.
The above, is merely illustrative of the technical solution of the present invention and unrestricted, those of ordinary skill in the art are to this hair
The other modifications or equivalent substitution that bright technical solution is made, without departing from the spirit and scope of technical solution of the present invention,
It should all cover among scope of the presently claimed invention.
Claims (10)
- A kind of 1. mathematical education drawing instrument, it is characterised in that:It includes splicing main scale, circular hole, disk, telescopic mast, positioning Ruler, sliding slot, auxiliary scale, cutting, shallow slot, slot, hoodle, springhole, pen container, marking pen fixing piece;The one of the splicing main scale End is equipped with circular hole;Disk is inlaid with the circular hole;Engaged between the disk and the inner wall of circular hole by gear;The disk Centre be equipped with telescopic mast;The bottom of the telescopic mast is equipped with strong magnet;The outer wall of the strong magnet is equipped with even a symmetrical scarce Mouthful;Straight slot is equipped between described two notches;The outside of the company notch is equipped with sucker;The positioning rule is movably connected in spelling Connect on main scale;The centre of the splicing main scale top and bottom sidewall, which is equipped with, to be slided;The positioning rule bottom is equipped with draw runner and sliding slot phase interworking Close, the positioning rule is equipped with springhole;The top of the positioning rule is equipped with pen container;The pen container is corresponded with springhole, And the pen container is equipped with marking pen fixing piece;One end of the auxiliary scale is equipped with cutting;The other end of auxiliary scale is led with splicing The other end of ruler is equipped with slot;The both sides of the cutting are equipped with shallow slot;The inner wall of the slot is equipped with hoodle;The hoodle with Shallow slot cooperates;The splicing main scale, auxiliary scale are equipped with marking pen recessing groove.
- A kind of 2. mathematical education drawing instrument according to claim 1, it is characterised in that:The disk is arranged on activity On ruler, the adjustable rule is slidably arranged in as positioning rule on splicing main scale, corresponding with disk, and the positioning rule is to add Long ruler, springhole, pen container are set in the same horizontal line with disk.
- A kind of 3. mathematical education drawing instrument according to claim 1, it is characterised in that:The splicing main scale is equipped with Graduation mark layer;The graduation mark layer is paste formula graduation mark layer, can be replaced.
- A kind of 4. mathematical education drawing instrument according to claim 1, it is characterised in that:The splicing main scale is equipped with circle One end of disk is equipped with protractor.
- A kind of 5. mathematical education drawing instrument according to claim 1, it is characterised in that:The splicing main scale is bilayer Ruler, bottom ruler are connected using disk as axle center with splicing main scale;Bottom ruler can coordinate protractor to make angle line segment.
- A kind of 6. mathematical education drawing instrument according to claim 1, it is characterised in that:The cutting is U-shaped elasticity Cutting, easy to connect positioning.
- A kind of 7. mathematical education drawing instrument according to claim 1, it is characterised in that:The marking pen fixing piece is Flexible fastening piece, marking pen is fixed by high-elastic structure.
- A kind of 8. mathematical education drawing instrument according to claim 1, it is characterised in that:The splicing main scale is equipped with Several threaded holes, the threaded hole are used for attended operation handle.
- A kind of 9. mathematical education drawing instrument according to claim 1, it is characterised in that:The splicing main scale and auxiliary Ruler is plastics or wooden ruler body, and cost is low, easy to carry.
- A kind of 10. mathematical education drawing instrument according to claim 1, it is characterised in that:It uses the principle of compasses, And utilize its principle on ruler, one end of fixed ruler, will regulate the position of positioning rule as needed, mutual in gear Under the action of engagement, running fix ruler can draw circle, the drafting without that can complete a variety of figures in other instruments, Double-deck splicing main scale can coordinate protractor to draw angle line segment;The fixed position of centre point and marking pen can be arranged on splicing The centre of main scale, can also be arranged on the side of splicing main scale, and the position of disk can adjust, between disk and positioning rule away from From can arbitrarily adjust, less circle can be drawn by splicing main scale;The center of circle is located through magnetic force and suction in disk Combination complete, suction fit magnetic force, and suction complements each other with magnetic force, after the completion of drawing, line pushs sucker aside, in strong magnet Between entering part air, destructive power part is magnetic, easily takes away.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711247837.6A CN107984939A (en) | 2017-12-01 | 2017-12-01 | A kind of mathematical education drawing instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711247837.6A CN107984939A (en) | 2017-12-01 | 2017-12-01 | A kind of mathematical education drawing instrument |
Publications (1)
Publication Number | Publication Date |
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CN107984939A true CN107984939A (en) | 2018-05-04 |
Family
ID=62035077
Family Applications (1)
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CN201711247837.6A Pending CN107984939A (en) | 2017-12-01 | 2017-12-01 | A kind of mathematical education drawing instrument |
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CN (1) | CN107984939A (en) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2113896U (en) * | 1991-12-25 | 1992-08-26 | 林光清 | multifunctional ruler |
CN201338476Y (en) * | 2008-09-04 | 2009-11-04 | 熊健 | Multi-functional ruler |
CN201501217U (en) * | 2009-09-19 | 2010-06-09 | 张家界航空工业职业技术学院 | Multi-functional plotting instrument |
JP3162683U (en) * | 2010-07-01 | 2010-09-09 | 康祐 野村 | Compass ruler |
CN201665090U (en) * | 2010-04-01 | 2010-12-08 | 沈健祺 | Novel multifunctional drawing rule |
CN203157495U (en) * | 2013-04-01 | 2013-08-28 | 祝培雨 | Math class teaching aid |
CN203637400U (en) * | 2013-12-05 | 2014-06-11 | 常乐融融 | Ruler with compass |
CN203805582U (en) * | 2014-03-12 | 2014-09-03 | 罗晓媛 | Special statistical ruler |
CN203920149U (en) * | 2014-05-29 | 2014-11-05 | 西安理工大学 | Combined sucker formula drawing ruler and gauge |
CN206217444U (en) * | 2016-07-26 | 2017-06-06 | 衡阳师范学院 | A kind of mathematical education fast drawing instrument |
-
2017
- 2017-12-01 CN CN201711247837.6A patent/CN107984939A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2113896U (en) * | 1991-12-25 | 1992-08-26 | 林光清 | multifunctional ruler |
CN201338476Y (en) * | 2008-09-04 | 2009-11-04 | 熊健 | Multi-functional ruler |
CN201501217U (en) * | 2009-09-19 | 2010-06-09 | 张家界航空工业职业技术学院 | Multi-functional plotting instrument |
CN201665090U (en) * | 2010-04-01 | 2010-12-08 | 沈健祺 | Novel multifunctional drawing rule |
JP3162683U (en) * | 2010-07-01 | 2010-09-09 | 康祐 野村 | Compass ruler |
CN203157495U (en) * | 2013-04-01 | 2013-08-28 | 祝培雨 | Math class teaching aid |
CN203637400U (en) * | 2013-12-05 | 2014-06-11 | 常乐融融 | Ruler with compass |
CN203805582U (en) * | 2014-03-12 | 2014-09-03 | 罗晓媛 | Special statistical ruler |
CN203920149U (en) * | 2014-05-29 | 2014-11-05 | 西安理工大学 | Combined sucker formula drawing ruler and gauge |
CN206217444U (en) * | 2016-07-26 | 2017-06-06 | 衡阳师范学院 | A kind of mathematical education fast drawing instrument |
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PB01 | Publication | ||
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Application publication date: 20180504 |