CN108215596A - The teaching ruler of improvement - Google Patents
The teaching ruler of improvement Download PDFInfo
- Publication number
- CN108215596A CN108215596A CN201711227355.4A CN201711227355A CN108215596A CN 108215596 A CN108215596 A CN 108215596A CN 201711227355 A CN201711227355 A CN 201711227355A CN 108215596 A CN108215596 A CN 108215596A
- Authority
- CN
- China
- Prior art keywords
- hole
- teaching ruler
- improvement
- teaching
- ball
- 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
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
-
- 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
-
- 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
Abstract
The invention discloses a kind of teaching rulers of improvement, and including teaching ruler ontology, teaching ruler ontology is included protractor, is at least made of transparent material, and teaching ruler ontology has at least three blind holes and ball, and ball is identical with the quantity of fixed thin bar；Fixed thin bar passes through the centre of sphere of ball, its both ends is fixed in the blind hole of teaching ruler ontology, fixed thin bar is parallel to the lower surface of teaching ruler ontology and perpendicular to a line of teaching ruler ontology, and, first intersects at the first right angle pylone of formation at 90 degree of scales, and the first side and the angle of the straight line of the teaching ruler of improvement are 45 degree while with second；The third of the through-hole while and the 4th while intersect at the second right angle of formation at 60 degree of scales, and the third side and the angle of the straight line are 60 degree；And described second while and extended line when the 4th intersect, and the straight line is marked with scale.The teaching ruler of improvement provided by the invention, it is simple in structure, set square can be worked as and used, be just convenient for carrying in teachers ' teaching.
Description
Technical field
The present invention relates to a kind of teaching ruler, more particularly to a kind of teaching ruler of improvement belongs to educational aid technical field.
Background technology
In teaching process, teacher usually requires to write and draw on blackboard；Word directly writes with chalk, and figure needs recruitment
Has picture, general drawing tools has：Ruler, set square and protractor etc., protractor are semicircular structure, and edge indicates angle,
Can camber line, circle and straight line can also be drawn with measurement angle；Ruler can draw straight line；Right angled triangle and straight line etc. can be drawn；Triangle
Plate is generally isosceles right triangle structure or 30 degree and 60 triangular structure of right angle, can draw isosceles right triangle, 30 degree
With 60 degree of right angled triangles and straight line etc..The teaching ruler each improved has respective effect, and usually teacher needs in teaching
The teaching ruler of multiple improvement is taken, and the teaching ruler of different improvement is needed replacing when picture difference figure is needed, from
And just inconvenient teacher carries and uses.
Invention content
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of teaching rulers of improvement.
To realize aforementioned invention purpose, the technical solution adopted by the present invention includes：
The present invention provides a kind of teaching rulers of improvement, and including teaching ruler ontology, the teaching ruler ontology includes protractor,
It is at least made of transparent material, and the teaching ruler ontology has at least three blind holes and ball, and the ball and fixation are thin
The quantity of bar is identical, each ball corresponds to a fixed thin bar；The fixed thin bar passes through the centre of sphere of ball, and both ends are fixed
In the blind hole of teaching ruler ontology, fixed thin bar is parallel to the lower surface of teaching ruler ontology and perpendicular to the one of teaching ruler ontology
Side and, described first intersects at the first right angle pylone of formation at 90 degree of scales, and first side is with changing while with second
The angle of the straight line of good teaching ruler is 45 degree；The third of the through-hole while and the 4th while intersect at and the formed at 60 degree of scales
Two right angles, and the third side and the angle of the straight line are 60 degree；And described second while and extended line when the 4th intersect,
And the straight line is marked with scale.
Further, the ball stretches out the lower surface of teaching ruler ontology, and the depth of the blind hole is more than the ball half of ball
Diameter.
Further, coplanar between all fixed thin bars and be mutually parallel, all balls stretch out teaching ruler sheets
The length of the lower surface of body is identical.
Further, the teaching ruler of the intersection and improvement is wholely set that the through-hole is made to form triangular structure
One through-hole and the second through-hole, the first acute angle of the first through hole and the second acute angle of the second through-hole are located at the straight line respectively
Both ends at, the third acute angle of the first through hole and the 4th acute angle of the second through-hole are arranged to arcuate structure.
Further, the teaching ruler of the improvement includes a strip through-hole and is arranged on consolidating for described strip through-hole one end
Determine hole；The teaching ruler of the improvement further includes one and is fixed on being equipped with for fixed placement chalk on the strip through-hole side wall
The fixation sliding block of putting hole, the fixed sliding block can be in the strip through-hole slide over side walls.
Further, the two sides of the strip through-hole are equipped with opposite sawtooth.
Compared with prior art, advantages of the present invention includes：The teaching ruler of improvement provided by the invention, simple in structure, energy
Enough when set square use, just it is convenient for carrying in teachers ' teaching；And when in use also without often replacing different improvement
Teaching ruler, it is easy to use.And teaching ruler of this improvement can also produce and miniature student or teacher be facilitated to use.
Description of the drawings
Fig. 1 is a kind of structure diagram of the teaching ruler of improvement in an exemplary embodiments of the invention.
Specific embodiment
In view of deficiency of the prior art, inventor is able to propose the present invention's through studying for a long period of time and largely putting into practice
Technical solution.The technical solution, its implementation process and principle etc. will be further explained as follows.
The present invention provides a kind of teaching ruler of improvement, the teaching ruler ontology including improvement, the teaching ruler sheet of the improvement
Body includes protractor, is at least made of transparent material, and the teaching ruler ontology has at least three blind holes and ball, described
Ball is identical with the quantity of fixed thin bar, each ball corresponds to a fixed thin bar；The fixed thin bar passes through the ball of ball
The heart, both ends are fixed in the blind hole of teaching ruler ontology, fixed thin bar be parallel to the lower surface of teaching ruler ontology and perpendicular to
The a line of teaching ruler ontology and, described first intersects at 90 degree of scales the first right angle pylone of formation while with second, and
First side and the angle of the straight line of the teaching ruler of improvement are 45 degree；The third of the through-hole while and the 4th while intersect at 60
It spends and the second right angle is formed at scale, and the third side and the angle of the straight line are 60 degree；And second side and the 4th
The extended line on side intersects, and the straight line is marked with scale.
Further, the ball stretches out the lower surface of teaching ruler ontology, and the depth of the blind hole is more than the ball half of ball
Diameter.
Further, coplanar between all fixed thin bars and be mutually parallel, all balls stretch out teaching ruler sheets
The length of the lower surface of body is identical.
Further, the teaching ruler of the intersection and improvement is wholely set that the through-hole is made to form triangular structure
One through-hole and the second through-hole, the first acute angle of the first through hole and the second acute angle of the second through-hole are located at the straight line respectively
Both ends at, the third acute angle of the first through hole and the 4th acute angle of the second through-hole are arranged to arcuate structure.
Further, the teaching ruler of the improvement includes a strip through-hole and is arranged on consolidating for described strip through-hole one end
Determine hole；The teaching ruler of the improvement further includes one and is fixed on being equipped with for fixed placement chalk on the strip through-hole side wall
The fixation sliding block of putting hole, the fixed sliding block can be in the strip through-hole slide over side walls.
Further, the two sides of the strip through-hole are equipped with opposite sawtooth.
Referring to Fig. 1, the present invention discloses a kind of teaching ruler of improvement, generally protractor, equipped with first at 1 and second
2 intersect at the through-hole that the first right angle is formed at 90 degree of scales, and the first side 1 and the angle of the straight line 6 for the teaching ruler improved are
45 degree；The third of the through-hole 4 intersects at 60 degree or 120 degree of scales the second right angle of formation, and the third at 3 and the 4th
Side 3 and the angle of the straight line 6 are 60 degree.The present invention can be drawn and measurement angle due to the teaching ruler of improvement for protractor；Change
The first of the through-hole of good teaching ruler 2 intersects at 90 degree of scales the first right angle of formation, and the first side 1 is with changing at 1 and second
The angle of the straight line 6 of good teaching ruler is 45 degree, and drawing first at 1, second 2 and straight line 6, then with this with chalk improves
Teaching ruler supplement be completely formed an isosceles right triangle；The third of through-hole at 3 and the 4th 4 intersect at 60 degree or
The second right angle is formed at 120 degree of scales, and third side 3 and the angle of straight line 6 are 60 degree, and third side the 3, the 4th is drawn with chalk
Side 4 and straight line 6, then completely it is formed one 30 degree, 60 degree of right angled triangle with the teaching ruler supplement of this improvement；So as to this
The teaching ruler of improvement also is able to use when set square, is just convenient for carrying in teachers ' teaching；And when in use also without warp
The teaching ruler of different improvement is often replaced, it is easy to use.And teaching ruler of this improvement can also produce it is miniature facilitate student or
Teacher uses.
In the present embodiment, a side surface surrounding markings on the camber line side 5 of the teaching ruler of improvement have scale, consequently facilitating drawing circle
And measurement angle.
As shown in Figure 1, second at 2 and the 4th 4 extended line intersect at intersection point 8, be arranged on 45 degree of right angles of picture in this way
Two right-angle sides can be directly drawn when triangle or 30 degree and 60 degree of right angled triangles, does not need to be supplemented right-angle side, only draw
Bevel edge, it is easy to use.
As shown in Figure 1, straight line 6 is marked with scale, uses so as to which the teaching ruler of this improvement can work as ruler, not only conveniently make
With, and without carrying ruler, it is convenient.And scale on straight line and the scale on camber line side are in the same face.
As further improvement of this embodiment, second at 2 and the 4th 4 intersections, i.e., intersection point 8 with improvement teaching ruler
10 and second through-hole 11 of first through hole that through-hole is made to form triangular structure is wholely set, so as to increase the teaching ruler of improvement
Intensity.Second acute angle of the first acute angle of first through hole 10 and the second through-hole 11 is located at the straight line of the teaching ruler of improvement respectively
At 6 both ends, maximum can be set so as to the two of which right-angle side at two right angles, i.e., first at 1 and third 3 to greatest extent
Setting, and then make the figure bigger drawn, it is easy to use.The 4th of the third acute angle of first through hole 10 and the second through-hole 11 is sharp
Angle is arranged to arcuate structure, i.e., two opposite acute angles of 10 and second through-hole 11 of first through hole at intersection point 8 are arranged to
Arcuate structure makes the area increase of the two junction, so as to increase the fastness of the teaching ruler of improvement, and sets camber knot
Structure facilitates taking and placing without corner angle；Certainly, the first right angle, the second right angle, the first acute angle and the second acute angle can also set camber
Structure, in this way setting equally increase the intensity of the teaching ruler of improvement and facilitate taking and placing.
Strip through-hole of the width slightly larger than the diameter of a chalk and setting are additionally provided on the teaching ruler of improvement at this
The mounting hole 9 of shape through-hole one end；The teaching ruler of improvement, which further includes one and is fixed on strip through-hole side wall, to be provided with to fix
The fixation sliding block 7 of the putting hole of chalk is placed, fixed sliding block 7 can as needed be replaced and fix in strip through-hole slide over side walls
Position of the sliding block 7 on strip through-hole side wall is arbitrarily inserted into (as desirable conveniently penholder, chalk etc.) with a certain object fixes in this way
As the center of circle in hole 9, chalk is inserted into the placement hole site of fixed sliding block 7, it is possible to realize round mapping.This mounting hole 9 is
Circular configuration so as to facilitate the insertion of chalk, penholder etc. and cooperation and picture is facilitated to justify, reduces resistance.The present embodiment mounting hole
9 are located at the right end of strip through-hole, i.e. user marks graduated right end on one side in face of the teaching ruler of improvement, and setting in this way facilitates picture
Circle；Certainly, it is also feasible to be arranged on left end.
In the present embodiment, the two sides of strip through-hole be equipped with opposite sawtooth to be limited to fixed sliding block 7,
It is fixed, the full symmetric setting of sawtooth of strip through-hole both sides, and also the sawtooth is pectination sawtooth.
The material for the teaching ruler that the present invention improves can be used plastic material and carry out transparent setting, so as to conveniently be seen in mapping
To the part required supplementation with, facilitate picture, be conducive to use.It is of course also possible to use other transparent materials.
It should be appreciated that the technical concepts and features of above-described embodiment only to illustrate the invention, its object is to allow be familiar with this
The personage of item technology can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all
The equivalent change or modification made according to spirit of the invention, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of teaching ruler of improvement, it is characterised in that including teaching ruler ontology, the teaching ruler ontology includes protractor, until
It is made less of transparent material, the teaching ruler ontology has at least three blind holes and ball, the ball and fixed thin bar
Quantity is identical, each ball corresponds to a fixed thin bar；The fixed thin bar passes through the centre of sphere of ball, and religion is fixed at both ends
In the blind hole for learning ruler ontology, fixed thin bar is parallel to the lower surface of teaching ruler ontology and perpendicular to one of teaching ruler ontology
Side and, described first intersects at 90 degree of scales the first right angle pylone of formation, and first side and improvement while with second
The angle of straight line of teaching ruler be 45 degree；The third of the through-hole while and the 4th while intersect at and second formed at 60 degree of scales
Right angle, and the third side and the angle of the straight line are 60 degree；And described second while and extended line when the 4th intersect, and
And the straight line is marked with scale.
2. the teaching ruler of improvement according to claim 1, it is characterised in that：The ball stretches out the following table of teaching ruler ontology
Face, the depth of the blind hole are more than the radius of a ball of ball.
3. the teaching ruler of improvement according to claim 1 or 2, it is characterised in that：It is coplanar between all fixed thin bars
And be mutually parallel, the length of lower surface that all balls stretch out teaching ruler ontology is identical.
4. the teaching ruler of improvement according to claim 1, it is characterised in that：The intersection and the teaching ruler one of improvement
Setting makes the first through hole and the second through-hole of the through-hole formation triangular structure, the first acute angle of the first through hole and second
Second acute angle of through-hole is respectively at the both ends of the straight line, and the of the third acute angle of the first through hole and the second through-hole
Four acute angles are arranged to arcuate structure.
5. the teaching ruler of improvement according to claim 1, it is characterised in that including a strip through-hole and be arranged on the item
The mounting hole of shape through-hole one end；The teaching ruler of the improvement further include one be fixed on the strip through-hole side wall be equipped be used for
The fixation sliding block of the putting hole of fixed placement chalk, the fixed sliding block can be in the strip through-hole slide over side walls.
6. the teaching ruler of improvement according to claim 5, it is characterised in that：The two sides of the strip through-hole are equipped with phase
To sawtooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711227355.4A CN108215596A (en) | 2017-11-29 | 2017-11-29 | The teaching ruler of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711227355.4A CN108215596A (en) | 2017-11-29 | 2017-11-29 | The teaching ruler of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108215596A true CN108215596A (en) | 2018-06-29 |
Family
ID=62652884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711227355.4A Pending CN108215596A (en) | 2017-11-29 | 2017-11-29 | The teaching ruler of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108215596A (en) |
-
2017
- 2017-11-29 CN CN201711227355.4A patent/CN108215596A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201979940U (en) | Drawing ruler used by mathematics teachers | |
| CN108215596A (en) | The teaching ruler of improvement | |
| CN208290799U (en) | A kind of multipurpose mathematics teaching aid | |
| CN206856361U (en) | A kind of classroom instruction is given lessons general teaching aid | |
| CN203739488U (en) | Teaching ruler | |
| CN210591146U (en) | Mathematical teaching ruler for simultaneously measuring multipoint distances | |
| CN203974329U (en) | A kind of Novel mathematical teaching aid | |
| CN206106743U (en) | Novel ruler | |
| CN207842462U (en) | Dual control curve tracing and measurement facility | |
| CN204506255U (en) | A kind of math teacher multifunctional drawing tool | |
| CN205344247U (en) | Junior high school mathematics teaching aid | |
| CN203681085U (en) | Three-in-one shape teaching aid | |
| CN203110681U (en) | Ruler for elementary school mathematics teaching | |
| CN208021055U (en) | A kind of teaching multifunctional teaching ruler | |
| CN213768058U (en) | Drawing ruler | |
| CN207889413U (en) | A kind of multidisciplinary applicable teaching ruler | |
| CN206623581U (en) | A kind of Multifunctional ruler for math teaching | |
| CN214112093U (en) | Set square | |
| CN211054799U (en) | Multifunctional ruler for mathematical education | |
| CN203391529U (en) | Drawing rule for primary mathematics | |
| CN211000663U (en) | Novel compasses are used in mathematical education | |
| CN201646157U (en) | Multifunctional drawing rule | |
| CN2776700Y (en) | Multifunction gauge | |
| CN208602181U (en) | A kind of English alphabet teaching four lines, three lattice drawing tool | |
| CN207984404U (en) | Mathematics drawing tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180629 |