CN108749418A - A kind of mathematical education multifunctional assisting device - Google Patents
A kind of mathematical education multifunctional assisting device Download PDFInfo
- Publication number
- CN108749418A CN108749418A CN201810538360.5A CN201810538360A CN108749418A CN 108749418 A CN108749418 A CN 108749418A CN 201810538360 A CN201810538360 A CN 201810538360A CN 108749418 A CN108749418 A CN 108749418A
- Authority
- CN
- China
- Prior art keywords
- pen
- plate body
- line
- rabbet joint
- cap
- 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
-
- 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
- B43L9/02—Compasses
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a kind of mathematical education multifunctional assisting device, including plate body, lateral length scale is respectively equipped on the top edge of the plate body and lower edge；The top and bottom of plate body further respectively have sliding slot in transverse direction, two sliding slots are corresponding with the sliding block set by the upper end of graduated scale and lower end respectively to be slidably connected, described its longitudinal direction of graduated scale upper edge offers the line of rabbet joint, the first retractable pen being slidably connected with the line of rabbet joint is connected in the line of rabbet joint, the first retractable pen can be slided up and down along the line of rabbet joint；Multiple aid folders are further respectively had on the left hand edge and right hand edge of the plate body along the longitudinal direction, drawing of the aid folder for plate body surface to be laid with is fixed on plate body.The present invention overcomes time-consuming and laborious when existing drawing appliance drafting function curve, geometrical plane figure, used tool is also various, and the defect that accuracy is not high, can be recognized with more accurate geometric figure to student in teaching.
Description
Technical field
The present invention relates to teaching apparatus for mathematics field, more particularly to a kind of mathematical education multifunctional assisting device.
Background technology
Mathematics is a critically important natural science basic subject, and many function curves, geometry are arrived involved in its teaching
The drafting of plan view, since mathematics is the subject of a research, institute's graphing must be in strict accordance with the size of defined
It carries out, and draws this kind of graphics Web publishing trouble, first, in addition to paintbrush, it is also necessary to multiple drawing tools, such as circle is drawn, not only need
Compasses draw circle, it is also necessary to determine position of the center of circle in coordinate plane according to tools such as rulers；For coordinate curve, it is necessary to make
The specific location that sample point is determined with multiple tools, when determining the coordinate position of sample point, it is necessary to be determined using ruler
It is in the specific location length of vertical and horizontal, and since ruler is that single reference axis is linear, use when is difficult drawn by control
The vertical degree and the depth of parallelism of straight line, therefore be difficult the proper degree for holding longitudinal and transverse coordinate causes the curve finally drawn will likely be with
Theoretical figure difference is farther out.Therefore, existing drawing appurtenance drafting function curve, geometrical plane are utilized in mathematical education
Time-consuming and laborious when figure, used tool is also various, and accuracy is not high, it is difficult to be recognized with correct geometry to student in teaching.
Invention content
The present invention provides a kind of mathematical education multifunctional assisting device, can solve mathematics drawing auxiliary in the prior art and use
It is time-consuming and laborious when tool drafting function curve and geometrical plane figure, and the problem that accuracy is not high.
The present invention provides a kind of mathematical education multifunctional assisting devices, including plate body, and the top edge of the plate body is under
Lateral length scale is respectively equipped on edge；The top and bottom of plate body further respectively have sliding slot in transverse direction, two
Sliding slot is corresponding with the sliding block set by the upper end of graduated scale and lower end respectively to be slidably connected, and described its longitudinal direction of graduated scale upper edge opens up
There is the line of rabbet joint, the first retractable pen being slidably connected with the line of rabbet joint is connected in the line of rabbet joint, the first retractable pen can glide on the line of rabbet joint
It is dynamic；Multiple aid folders are further respectively had on the left hand edge and right hand edge of the plate body along the longitudinal direction, the aid folder is used for will
The drawing that plate body surface is laid with is fixed on plate body.
Above-mentioned first retractable pen includes the pen cap, is equipped with pen core in the pen cap, the tail end of pen core is socketed on pressure cap lower end and is opened
If blind hole in, pressure cap stretches out the upper end of the pen cap, and the pen tip of pen core is located in the lower end of the pen cap；Reset is socketed on pen core
The upper end of spring, resetting spring is connect with pen core, and lower end is connect with the pen cap, and the pen cap is connected in the line of rabbet joint and is slided with the line of rabbet joint
Connection.
The position of the above-mentioned pen cap being located at below graduated scale is further opened with the annular groove around pen cap circumferential direction, the annular
Lantern ring is socketed in sliding slot, lantern ring can mutually be fixed, be stretched around the circular-rotation of annular groove, the right end of the lantern ring and telescopic rod
The left end of contracting bar is fixed with the second retractable pen, and second retractable pen is additionally provided with pen core on the basis of the first retractable pen structure and stretches
Contracting locking mechanism, the refill expansion locking mechanism are used for when the pen core of the second retractable pen stretches out the pen cap of the second retractable pen,
State is stretched out to pen core to lock；The telescopic rod is equipped with the length of telescopic bar for locking length of telescopic bar and locks machine
Structure, the lantern ring are equipped with the lantern ring position locking mechanism for locking lantern ring and the pen cap relative position.
Above-mentioned length of telescopic bar locking mechanism, lantern ring position locking mechanism are positioning screws.
The upper end of the above-mentioned pen cap is equipped with anti-skid chequer, and the anti-skid chequer when finger pinches pen cap upper end for preventing from skidding.
The upper and lower end of above-mentioned graduated scale is equipped with the instruction point for being directed at the length scale on plate body, the instruction
The pen tip of point and pen core is located on same longitudinal straight line.
The left side edge of above-mentioned graduated scale is provided with graduated scale scale.
In the embodiment of the present invention, a kind of mathematical education multifunctional assisting device is provided, it can be according to function sample point come smart
True draws out each sample point in coordinate plane, consequently facilitating draw function curve, and can easily draw circle, circular arc,
The plane curves such as rectangle.The present invention can accurately mark position of the sample point in coordinate plane when in use, to
Corresponding curve accurately can be easily drawn in coordinate plane according to sample point, while also can be more using the present invention
The center of circle is easily determined in coordinate plane and easily draws corresponding circle or camber line.The present invention overcomes existing drawing
Time-consuming and laborious when apparatus drafting function curve, geometrical plane figure, used tool is also various, and the defect that accuracy is not high, can
It is recognized with more accurate geometric figure to student in teaching.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the first retractable pen structure of the present invention and the attachment structure schematic diagram of itself and graduated scale, telescopic rod.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection domain be not restricted by specific implementation.
Referring to Fig. 1 and Fig. 2, an embodiment of the present invention provides a kind of mathematical education multifunctional assisting device, including plate body 1,
Lateral length scale 2 is respectively equipped on the top edge of the plate body 1 and lower edge；The top and bottom of plate body 1 are also set respectively
There are sliding slot 3 in transverse direction, the sliding corresponding with the sliding block 4-3 set by the upper end of graduated scale 4 and lower end respectively of two sliding slots 3
Connection, its longitudinal direction of 4 upper edge of the graduated scale offers line of rabbet joint 4-1, and the to be slidably connected with line of rabbet joint 4-1 is connected in line of rabbet joint 4-1
One retractable pen 8, the first retractable pen 8 can be slided up and down along the line of rabbet joint 4-1；The left hand edge and right hand edge upper edge of the plate body 1
Longitudinal direction further respectively has multiple aid folders 7, and the aid folder 7 by the drawing that 1 surface of plate body is laid with for being fixed on plate
On body 1.The present invention can accurately mark position of the sample point in coordinate plane when in use, so as to accurate
Corresponding curve is easily drawn in coordinate plane according to sample point.
Further, referring to Fig. 2, first retractable pen 8 includes pen cap 8-1, and pen core 8-3, pen core are equipped in pen cap 8-1
The tail end of 8-3 is socketed in the blind hole 8-6 that the lower ends pressure cap 8-2 are opened up, and pressure cap 8-2 stretches out the upper end of pen cap 8-1, pen core
The pen tip of 8-3 is located in the lower end of pen cap 8-1；Be socketed with resetting spring 8-4 on pen core 8-3, the upper end of resetting spring 8-4 with
Pen core 8-3 connections, lower end are connect with pen cap 8-1, and the pen cap 8-1 is connected in line of rabbet joint 4-1 and is slidably connected with line of rabbet joint 4-1.
Further, referring to Fig. 2, the position for being located at 4 lower section of graduated scale of the pen cap 8-1 is further opened with around pen cap 8-
1 circumferential annular groove is socketed with lantern ring 11 in the annular groove, and lantern ring 11 can be around the circular-rotation of annular groove, institute
It states lantern ring 11 and the right end of telescopic rod 12 is mutually fixed, the left end of telescopic rod 12 is fixed with the second retractable pen 10, and described second is flexible
Pen 10 is additionally provided with refill expansion locking mechanism on the basis of the first 8 structure of retractable pen, and the refill expansion locking mechanism is used for
When the pen core of the second retractable pen 10 stretches out the pen cap of the second retractable pen 10, state is stretched out to pen core and is locked；It is described flexible
Bar 12 is equipped with the length of telescopic bar locking mechanism 13 for locking 12 length of telescopic rod, and the lantern ring 11 is equipped with for locking
The lantern ring position locking mechanism 14 of lantern ring 11 and the pen cap 8-1 relative positions.Through this embodiment, can it is more convenient
The center of circle is determined in coordinate plane and easily draws corresponding circle or camber line.
Further, the length of telescopic bar locking mechanism 13, lantern ring position locking mechanism 14 are positioning screws.
Further, the upper end of the pen cap 8-1 is equipped with anti-skid chequer 8-5, the anti-skid chequer 8-5 for pinching pen in finger
It prevents from skidding when covering the upper ends 8-1.
Further, the upper and lower end of the graduated scale 4 is equipped with the instruction for being directed at the length scale 2 on plate body 1
The pen tip of sharp 4-4, the instruction point 4-4 and pen core 8-3 are located on same longitudinal straight line.
Further, the left side edge of the graduated scale 4 is provided with graduated scale scale 4-2.
The application method of the present invention：When needing picture function curve 6, according to the coordinate value of each sample point, basis successively
The abscissa (determining the position in coordinate surface by the length scale on plate body) and ordinate of each sample point (pass through
Graduated scale scale on graduated scale determines the position in coordinate surface), shift scale ruler and the first retractable pen so that first
Retractable pen is moved on plate body in coordinate plane on the sample point 5 to be drawn, then can be with by the pen cap of the first retractable pen of pressing
The sample point 5 is drawn, after drawing each sample point 5 successively according to same method, then is sequentially connected each sample point to be formed
Function curve 6.When needing picture circle or camber line 15, lantern ring position locking mechanism is tightened so that lantern ring can be secured entirely on
On the pen cap of first retractable pen, while telescopic rod is stretched, keeps its length equal with the radius of the circle or camber line 15 to be drawn, and twist
Tight length of telescopic bar locking mechanism so that length of telescopic bar is locked, then presses the pen cap of the second retractable pen of pressure again so that its
Pen tip stretches out its pen cap, so as to justify in coordinate surface inside-paint, can then pin the pen cap of the first retractable pen downwards on the other hand so that
The pen tip of first retractable pen is fallen on the center of circle, and another hand rotates the pen cap of the first retractable pen, so that telescopic rod is around first
The pen cap of retractable pen rotates in coordinate surface, to draw required circle or camber line 15.
In conclusion an embodiment of the present invention provides a kind of mathematical education multifunctional assisting device, can be taken according to function
Sampling point accurately draws out each sample point in coordinate plane, consequently facilitating drawing function curve, and can easily draw
The plane curves such as circle, circular arc, rectangle.The present invention can accurately mark position of the sample point in coordinate plane when in use
It sets, so as to accurately easily draw corresponding curve in coordinate plane according to sample point, while using the present invention
The center of circle more convenient can be determined in coordinate plane and easily draw corresponding circle or camber line.The present invention overcomes existing
Time-consuming and laborious when some drawing appliance drafting function curves, geometrical plane figure, used tool is also various, and accuracy it is not high lack
It falls into, can be recognized with more accurate geometric figure to student in teaching.
Disclosed above is only several specific embodiments of the present invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think variation should all fall into protection scope of the present invention.
Claims (7)
1. a kind of mathematical education multifunctional assisting device, including plate body (1), which is characterized in that the top edge of the plate body (1) and
Lateral length scale (2) is respectively equipped on lower edge；The top and bottom of plate body (1) further respectively have cunning in transverse direction
Slot (3), two sliding slots (3) are corresponding with sliding block (4-3) set by the upper end and lower end of graduated scale (4) respectively to be slidably connected, institute
It states graduated scale (4) its longitudinal direction of upper edge and offers the line of rabbet joint (4-1), the to be slidably connected with the line of rabbet joint (4-1) is connected in the line of rabbet joint (4-1)
One retractable pen (8), the first retractable pen (8) can be slided up and down along the line of rabbet joint (4-1)；The left hand edge of the plate body (1) and the right side
Multiple aid folders (7) are further respectively had on edge along the longitudinal direction, the aid folder (7) is for plate body (1) surface to be laid with
Drawing be fixed on plate body (1).
2. a kind of mathematical education multifunctional assisting device as described in claim 1, it is characterised in that：First retractable pen
(8) include the pen cap (8-1), be equipped with pen core (8-3) in the pen cap (8-1), the tail end of pen core (8-3) is socketed under pressure cap (8-2)
In the opened up blind hole (8-6) in end, pressure cap (8-2) stretches out the upper end of the pen cap (8-1), and the pen tip of pen core (8-3) is located at pen
In the lower end for covering (8-1)；Resetting spring (8-4), upper end and the pen core (8-3) of resetting spring (8-4) are socketed on pen core (8-3)
Connection, lower end are connect with the pen cap (8-1), and the pen cap (8-1) is connected in the line of rabbet joint (4-1) and is slidably connected with the line of rabbet joint (4-1).
3. a kind of mathematical education multifunctional assisting device as claimed in claim 2, it is characterised in that：The pen cap (8-1)
Position below graduated scale (4) is further opened with the annular groove around the pen cap (8-1) circumferential direction, is socketed in the annular groove
There are lantern ring (11), lantern ring (11) can be around the circular-rotation of annular groove, the right end phase of the lantern ring (11) and telescopic rod (12)
Fixed, the left end of telescopic rod (12) is fixed with the second retractable pen (10), and second retractable pen (10) is tied in the first retractable pen (8)
Refill expansion locking mechanism is additionally provided on the basis of structure, the refill expansion locking mechanism is used for the pen in the second retractable pen (10)
When core stretches out the pen cap of the second retractable pen (10), state is stretched out to pen core and is locked；The telescopic rod (12) is equipped with and is used for
The length of telescopic bar locking mechanism (13) of telescopic rod (12) length is locked, the lantern ring (11) is equipped with for locking lantern ring (11)
With the lantern ring position locking mechanism (14) of the pen cap (8-1) relative position.
4. a kind of mathematical education multifunctional assisting device as claimed in claim 3, it is characterised in that：The length of telescopic bar lock
Determine mechanism (13), lantern ring position locking mechanism (14) is positioning screw.
5. a kind of mathematical education multifunctional assisting device as claimed in claim 2, it is characterised in that：The pen cap (8-1)
Upper end is equipped with anti-skid chequer (8-5), and the anti-skid chequer (8-5) when finger pinches the upper end the pen cap (8-1) for preventing from skidding.
6. a kind of mathematical education multifunctional assisting device as claimed in claim 2, it is characterised in that：The graduated scale (4)
It is sharp (4-4) that upper and lower end is equipped with the instruction for being directed at the length scale (2) on plate body (1), the instruction sharp (4-4) and
The pen tip of pen core (8-3) is located on same longitudinal straight line.
7. a kind of mathematical education multifunctional assisting device as described in claim 1, it is characterised in that：The graduated scale (4)
Left side edge is provided with graduated scale scale (4-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810538360.5A CN108749418A (en) | 2018-05-30 | 2018-05-30 | A kind of mathematical education multifunctional assisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810538360.5A CN108749418A (en) | 2018-05-30 | 2018-05-30 | A kind of mathematical education multifunctional assisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108749418A true CN108749418A (en) | 2018-11-06 |
Family
ID=64003942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810538360.5A Pending CN108749418A (en) | 2018-05-30 | 2018-05-30 | A kind of mathematical education multifunctional assisting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108749418A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968876A (en) * | 2019-04-22 | 2019-07-05 | 重庆三峡学院 | A kind of Higher Mathematics Teaching apparatus |
| CN110239273A (en) * | 2019-06-12 | 2019-09-17 | 郑州工程技术学院 | A kind of Art Design painting system and method |
| CN110736404A (en) * | 2019-10-29 | 2020-01-31 | 杨健 | Drawing press-fitting comparison mechanism applied in electric power tower trial assembly process |
| CN111436753A (en) * | 2020-04-03 | 2020-07-24 | 杭州职业技术学院 | Multifunctional device for clothing drawing |
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| US4949466A (en) * | 1988-05-13 | 1990-08-21 | Buddy L Corporation | Drawing device having indexable stylus turret |
| JPH1029398A (en) * | 1996-07-17 | 1998-02-03 | Matsushita Electric Ind Co Ltd | Ruling device |
| CN1237130A (en) * | 1997-08-28 | 1999-12-01 | 株式会社百乐 | Push-button writing instrument |
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| CN203410207U (en) * | 2013-07-10 | 2014-01-29 | 王凤杰 | Drawing board |
| CN204414911U (en) * | 2015-01-27 | 2015-06-24 | 赵翠珍 | A kind of mathematics teaching in junior middle school Automatic Drawing blackboard |
| CN205381058U (en) * | 2015-12-17 | 2016-07-13 | 王秀梅 | Multifunctional blackboard is used in teaching |
| CN105946402A (en) * | 2016-07-21 | 2016-09-21 | 万象设计江苏有限责任公司 | Multifunctional blackboard |
| CN107953703A (en) * | 2017-12-13 | 2018-04-24 | 姚俊俊 | A kind of coordinatometer easy to draw |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4949466A (en) * | 1988-05-13 | 1990-08-21 | Buddy L Corporation | Drawing device having indexable stylus turret |
| JPH1029398A (en) * | 1996-07-17 | 1998-02-03 | Matsushita Electric Ind Co Ltd | Ruling device |
| CN1237130A (en) * | 1997-08-28 | 1999-12-01 | 株式会社百乐 | Push-button writing instrument |
| CN203110666U (en) * | 2013-03-12 | 2013-08-07 | 刘志国 | Mathematical teaching board |
| CN203410207U (en) * | 2013-07-10 | 2014-01-29 | 王凤杰 | Drawing board |
| CN204414911U (en) * | 2015-01-27 | 2015-06-24 | 赵翠珍 | A kind of mathematics teaching in junior middle school Automatic Drawing blackboard |
| CN205381058U (en) * | 2015-12-17 | 2016-07-13 | 王秀梅 | Multifunctional blackboard is used in teaching |
| CN105946402A (en) * | 2016-07-21 | 2016-09-21 | 万象设计江苏有限责任公司 | Multifunctional blackboard |
| CN107953703A (en) * | 2017-12-13 | 2018-04-24 | 姚俊俊 | A kind of coordinatometer easy to draw |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968876A (en) * | 2019-04-22 | 2019-07-05 | 重庆三峡学院 | A kind of Higher Mathematics Teaching apparatus |
| CN110239273A (en) * | 2019-06-12 | 2019-09-17 | 郑州工程技术学院 | A kind of Art Design painting system and method |
| CN110736404A (en) * | 2019-10-29 | 2020-01-31 | 杨健 | Drawing press-fitting comparison mechanism applied in electric power tower trial assembly process |
| CN110736404B (en) * | 2019-10-29 | 2021-07-23 | 许荣枝 | Drawing press-fitting comparison mechanism applied in electric power tower trial assembly process |
| CN111436753A (en) * | 2020-04-03 | 2020-07-24 | 杭州职业技术学院 | Multifunctional device for clothing drawing |
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Application publication date: 20181106 |