CN106079979A - A kind of multifunctional mathmatical coordinatometer - Google Patents
A kind of multifunctional mathmatical coordinatometer Download PDFInfo
- Publication number
- CN106079979A CN106079979A CN201610640388.0A CN201610640388A CN106079979A CN 106079979 A CN106079979 A CN 106079979A CN 201610640388 A CN201610640388 A CN 201610640388A CN 106079979 A CN106079979 A CN 106079979A
- Authority
- CN
- China
- Prior art keywords
- chi
- secondary chi
- coordinatometer
- main scale
- groove
- 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
-
- 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
- B43L13/20—Curve rulers or templets
-
- 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
- B43L13/20—Curve rulers or templets
- B43L13/201—Stencils for drawing figures, objects
- B43L13/205—Stencils for drawing figures, objects geometrical figures
Abstract
The invention discloses a kind of multifunctional mathmatical coordinatometer, including base, the rear end face of described base is provided with mounting groove, and sucker is installed in mounting groove, the side of described base is provided with main scale, the rear end face of described main scale is provided with magnetic stripe, the upper surface of described main scale is provided with strip-shaped clamp groove, and in strip-shaped clamp groove, it is provided with the 3rd secondary chi, the right-hand member of the described 3rd secondary chi is by card column and strip-shaped clamp groove activity clamping, the left end of the described 3rd secondary chi is provided with and lifts sheet, the right-hand member of main scale front end face is provided with compass, the circular groove of pan frontward end Middle face is provided with rotating shaft, the side of rotating shaft is socketed with the side of rotating disk described in rotating disk and is provided with and turns chi.This multifunctional mathmatical coordinatometer, whole coordinatometer simple in construction, occupy little space, easy and simple to handle, the circular arc that size is different with angle can be drawn, simple two dimension three-dimensional system of coordinate can be set up simultaneously, allow Students ' Learning get up simpler understandable, compare traditional drawing tool more convenient and practical.
Description
Technical field
The present invention relates to teaching tool technical field, be specially a kind of multifunctional mathmatical coordinatometer.
Background technology
In education activities, teaching tool plays a significant role, particularly mathematics geometry subject, and used is auxiliary
Assistant engineer's tool such as ruler, set square, compasses etc., but existing instrument often has a lot of limitation, it is impossible to draw arbitrarily angled
Angle, and on blackboard, be inconvenient to measure the number of degrees at angle, draw bowlder with educational compasses and easily blackboard is caused damage, and have certain
Danger, additionally study two dimension three-dimensional system of coordinate while, some space imagining abilities limited classmate study get up ratio
More difficult, to this end, it is proposed that a kind of multifunctional mathmatical coordinatometer.
Summary of the invention
It is an object of the invention to provide a kind of multifunctional mathmatical coordinatometer, with asking of solving to propose in above-mentioned background technology
Topic.
For achieving the above object, the present invention provides following technical scheme: a kind of multifunctional mathmatical coordinatometer, including base,
The rear end face of described base is provided with sucker in being provided with mounting groove, and mounting groove, the side of described base is provided with main scale, described master
The rear end face of chi is provided with magnetic stripe, and the upper surface of described main scale is provided with the 3rd secondary chi in being provided with strip-shaped clamp groove, and strip-shaped clamp groove, described
The right-hand member of the 3rd secondary chi is by card column and strip-shaped clamp groove activity clamping, and the left end of the described 3rd secondary chi is provided with and lifts sheet, described main scale
The right-hand member of front end face is provided with compass, is provided with rotating shaft, the side of described rotating shaft in the circular groove of described pan frontward end Middle face
Being socketed with rotating disk, the side of described rotating disk is provided with and turns chi, and it is little that the front end of described rotating shaft is provided with second in being provided with groove, and groove
Axle, described second little axle interts the first through hole of the first secondary chi left end and connects the first secondary chi, and the right-hand member of the described first secondary chi is provided with
First little axle, described first little axle interts the second through hole of the second secondary chi right-hand member and the second secondary chi connection.
Preferably, described main scale, turn chi, the first secondary chi, the second secondary chi are equipped with scale with the surface of the 3rd pair chi.
Preferably, the center of circle of described base is consistent with the center of circle in the center of circle of rotating disk and rotating shaft.
Preferably, the surface of described base is provided with the angle index line of standard.
Preferably, the surface turning chi described in is uniformly provided with eight manholes of the same size, and the radius of manhole
Identical with chalk butt end radius.
Compared with prior art, the invention has the beneficial effects as follows: this multifunctional mathmatical coordinatometer, main scale, turn chi, first secondary
The surface of chi, the second secondary chi and the 3rd secondary chi is equipped with scale, can draw the circular arc or circle varied in size, and can draw different angle
The circular arc of degree, and the combination of multiple dip stick, can multi-direction measurement length, simultaneously main scale, turn chi and the first secondary chi and the 3rd
The cooperation of secondary chi, can set up two and three dimensions coordinate, with reference to thing during explanation, make student easier to understand, and can allow
Student operates, and deepens the impression, and the center of circle of base is consistent with the center of circle in the center of circle of rotating disk and rotating shaft, more accurate during picture, takes a fancy to
Go more directly perceived, it is readily appreciated that, the surface of base is provided with the angle index line of standard, and the surface turning chi is uniformly provided with eight sizes
Consistent manhole, and the radius of manhole is identical with chalk butt end radius, base and turn chi with the use of, mapping is more
Add precisely, whole coordinatometer simple in construction, occupy little space, easy and simple to handle, the circular arc that size is different with angle can be drawn, simultaneously
Simple two dimension three-dimensional system of coordinate can be set up, allow Students ' Learning get up simpler understandable, compare traditional drawing tool more
Convenient and practical.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram;
Fig. 2 is present configuration side schematic view;
Fig. 3 is the cross section structure schematic diagram of main scale of the present invention.
In figure: 1 base, 2 rotating disks, 3 rotating shafts, 4 main scales, 5 turns of chis, 6 first secondary chis, 7 second secondary chis, 8 the 3rd secondary chis, 9 fingers
Compass, 10 first little axles, 11 second little axles, 12 lift sheet, 13 suckers, 14 magnetic stripes, 15 card columns.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1-3, the present invention provides a kind of technical scheme: a kind of multifunctional mathmatical coordinatometer, including base 1, the end
The rear end face of seat 1 is provided with sucker 13 in being provided with mounting groove, and mounting groove, and whole coordinatometer can be fixed on blackboard by sucker 13
Go up or on dais, the side of base 1 is provided with main scale 4, and the rear end face of main scale 4 is provided with magnetic stripe 14, and magnetic stripe 14 coordinates sucker 13, makes
Whole coordinatometer is fixing more firm, and the upper surface of main scale 4 is provided with the 3rd secondary chi 8 in being provided with strip-shaped clamp groove, and strip-shaped clamp groove, the
The right-hand member of three secondary chis 8 is by card column 15 and strip-shaped clamp groove activity clamping, and the left end of the 3rd secondary chi 8 is provided with and lifts sheet 12, by lifting sheet
3rd secondary chi 8 left end is extracted out by 12, and card column 15 moves in strip-shaped clamp groove simultaneously, makes the 3rd secondary chi 8 to move left and right, main scale
The right-hand member of 4 front end faces is provided with compass 9, be used for and coordinate give lectures with the use of, the circular groove in the middle part of base 1 front end face sets
Having rotating shaft 3, the center of circle of base 1 is consistent with the center of circle in the center of circle of rotating disk 2 and rotating shaft 3, more accurate during picture, it appears that more straight
See, it is readily appreciated that, the side of rotating shaft 3 is socketed with rotating disk 2, and the side of rotating disk 2 is provided with and turns chi 5, and the surface of base 1 is provided with standard
Angle index line, turns the surface of chi 5 and is uniformly provided with eight manholes of the same size, and the radius of manhole and chalk are
Butt end radius is identical, base 1 and turn chi 5 with the use of, mapping is more accurate, and the front end of rotating shaft 3 sets in being provided with groove, and groove
There are the second little axle 11, the second little axle 11 to intert the first through hole of the first secondary chi 6 left end and connect the first secondary chi 6, the right side of the first secondary chi 6
End is provided with the first little axle 10, and the first little axle 10 interts the second through hole of the second secondary chi 7 right-hand member and connects with the second pair chi 7, main scale 4,
The surface turning the secondary chi of chi 5, first 6, second secondary chi 7 and the 3rd pair chi 8 is equipped with scale, can draw the circular arc varied in size or
Circle, and the circular arc of different angles can be drawn, and the combination of multiple dip stick, can multi-direction measurement length, simultaneously main scale 4, turn chi 5
With the first secondary chi 6 and cooperation of the 3rd secondary chi 8, two and three dimensions coordinate can be set up, with reference to thing during explanation, make student more
Add easy to understand, and student can be allowed to operate, deepen the impression, whole coordinatometer simple in construction, occupy little space, easy and simple to handle,
The circular arc that size is different with angle can be drawn, simple two dimension three-dimensional system of coordinate can be set up simultaneously, allow Students ' Learning get up more
It is easily understood, compares traditional drawing tool more convenient and practical.
Operation principle: during mapping, is fixed on coordinatometer on blackboard by sucker 13 and magnetic stripe 14, needed for difference,
Chalk is put in the manhole turning chi 5, carry out the circular and drawing of circular arc, when drawing lines extended line, by the 3rd secondary chi 8
Produce and turn to appropriate location and can directly carry out line segment prolongation, during explanation coordinate system, coordinatometer can be fixed on smooth table
On face or dais, turning chi 5, make to turn chi 5 and main scale 4 angle is 90 degree, now two-dimensional coordinate system completes, and pull-up is lifted sheet 12 and made
3rd secondary chi 8 and main scale 4 are vertical, the mobile 3rd secondary chi 8, then the different scales of the 3rd secondary chi 8 are exactly the difference of two dimensional surface Y-axis
Coordinate points, after two-dimensional coordinate is set up, rotates the first secondary chi 6, and makes the first secondary chi 6 vertical with main scale 4, now simple three-dimensional
Coordinate system completes, and during explanation, student is the most easier to understand.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a multifunctional mathmatical coordinatometer, including base (1), it is characterised in that: the rear end face of described base (1) is provided with installation
Being provided with sucker (13) in groove, and mounting groove, the side of described base (1) is provided with main scale (4), the rear end face of described main scale (4)
Being provided with magnetic stripe (14), the upper surface of described main scale (4) is provided with the 3rd secondary chi (8) in being provided with strip-shaped clamp groove, and strip-shaped clamp groove, described
The right-hand member of the 3rd secondary chi (8) is by card column (15) and strip-shaped clamp groove activity clamping, and the left end of the described 3rd secondary chi (8) is provided with and lifts sheet
(12), the right-hand member of described main scale (4) front end face is provided with compass (9), sets in the circular groove in the middle part of described base (1) front end face
Having rotating shaft (3), the side of described rotating shaft (3) to be socketed with rotating disk (2), the side of described rotating disk (2) is provided with and turns chi (5), described turn
The front end of axle (3) is provided with the second little axle (11) in being provided with groove, and groove, the secondary chi (6) of described second little axle (11) interspersed first
First through hole of left end connects the first secondary chi (6), and the right-hand member of the described first secondary chi (6) is provided with the first little axle (10), and described first
Second through hole and the second secondary chi (7) of secondary chi (7) right-hand member of little axle (10) interspersed second connect.
A kind of multifunctional mathmatical coordinatometer the most according to claim 1, it is characterised in that: described main scale (4), turn chi (5),
First secondary chi (6), the second secondary chi (7) are equipped with scale with the surface of the 3rd secondary chi (8).
A kind of multifunctional mathmatical coordinatometer the most according to claim 1, it is characterised in that: the center of circle of described base (1) with
The center of circle of rotating disk (2) is consistent with the center of circle of rotating shaft (3).
A kind of multifunctional mathmatical coordinatometer the most according to claim 1, it is characterised in that: the surface of described base (1) sets
There is the angle index line of standard.
A kind of multifunctional mathmatical coordinatometer the most according to claim 1, it is characterised in that the surface turning chi (5) described in: is equal
Even it is provided with eight manholes of the same size, and the radius of manhole is identical with chalk butt end radius.
Priority Applications (1)
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CN201610640388.0A CN106079979A (en) | 2016-08-05 | 2016-08-05 | A kind of multifunctional mathmatical coordinatometer |
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CN201610640388.0A CN106079979A (en) | 2016-08-05 | 2016-08-05 | A kind of multifunctional mathmatical coordinatometer |
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CN201610640388.0A Pending CN106079979A (en) | 2016-08-05 | 2016-08-05 | A kind of multifunctional mathmatical coordinatometer |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107160919A (en) * | 2017-05-19 | 2017-09-15 | 长江大学 | Multifunctional mathmatical teaching ruler |
CN108944192A (en) * | 2017-05-22 | 2018-12-07 | 孟庆涛 | A kind of concentric circles ruler |
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JPH11337301A (en) * | 1998-05-27 | 1999-12-10 | Norio Kawai | Distance measuring instrument used in combination with map |
CN2508984Y (en) * | 2001-09-28 | 2002-09-04 | 孙庆国 | Portable angle instrument |
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CN2761430Y (en) * | 2005-07-12 | 2006-03-01 | 王雪 | Multifunction rule with compasses |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107160919A (en) * | 2017-05-19 | 2017-09-15 | 长江大学 | Multifunctional mathmatical teaching ruler |
CN108944192A (en) * | 2017-05-22 | 2018-12-07 | 孟庆涛 | A kind of concentric circles ruler |
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Effective date of abandoning: 20190104 |