CN209224800U - A kind of mathematics drawing tools of Parameters variation - Google Patents
A kind of mathematics drawing tools of Parameters variation Download PDFInfo
- Publication number
- CN209224800U CN209224800U CN201821765206.3U CN201821765206U CN209224800U CN 209224800 U CN209224800 U CN 209224800U CN 201821765206 U CN201821765206 U CN 201821765206U CN 209224800 U CN209224800 U CN 209224800U
- Authority
- CN
- China
- Prior art keywords
- ruler
- extension rule
- parameters variation
- drawing tools
- dial
- 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.)
- Expired - Fee Related
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of mathematics drawing tools of Parameters variation, belong to mathematical education apparatus field, including ruler, first in ruler and second ruler, first side ruler is connected with the first extension rule, second side ruler is connected with the second extension rule, be connected on the ruler described first while ruler and it is described second while ruler, first extension rule and second extension rule are linked together by turntable, the ruler includes avris and the outer avris of ruler in ruler, ruler central channel is provided between avris and the outer avris of the ruler in the ruler, the ruler central channel for described first while ruler and it is described second while ruler slide inside it.Beneficial effect is: can be used as ruler use under the utility model folded state, can change the parameters such as angle and length when drawing triangle, draw the triangle of requirement, integrated folding convenient carries.
Description
Technical field
The utility model belongs to mathematical education apparatus field, and in particular to a kind of mathematics drawing tools of Parameters variation.
Background technique
Composed closed figure, which is sequentially connected with, by three line segments head and the tail not on the same line is called triangle.Plane
The figure that three camber lines are surrounded on upper three straight lines or spherical surface, the figure that three straight lines are surrounded is plane triangle；Three
The figure that camber line is surrounded also is triangle spherical triangle, is sequentially connected by three line segment head and the tail, obtained closed geometry
Figure is called triangle, and triangle is the fundamental figure of geometrical pattern, and common triangle has (three, common triangle by side point
Side is all unequal), isoceles triangle (waist and bottom not equal isosceles triangle, the waist isosceles triangle, that is, the equilateral triangle equal bottom of with
Shape)；There are right angled triangle, acute triangle, obtuse triangle etc. by angle point, wherein acute triangle and obtuse triangle are referred to as
Oblique triangle.
In mathematical education and study, various triangles all when be often used, but triangle is more numb during mapping
It is tired, need to use a variety of measuring devices, it is extremely inconvenient.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of mathematics picture work of Parameters variation
Tool.
The utility model achieves the above object through the following technical schemes:
A kind of mathematics drawing tools of Parameters variation, including the ruler in ruler and second of ruler, first, first side ruler connect
It is connected to the first extension rule, second side ruler is connected with the second extension rule, first side ruler and institute are connected on the ruler
The second side ruler is stated, first extension rule and second extension rule are linked together by turntable, and the ruler includes ruler
Interior avris and ruler outer avris are provided with ruler central channel in the ruler between avris and the outer avris of the ruler, described straight
Ruler central channel for described first while ruler and it is described second while ruler slide inside it, the side of the outer avris of the ruler is set to
Bolt sliding slot is provided with ruler fixing bolt on the bolt sliding slot for fixed first side ruler that connect with the ruler
With second side ruler, it is additionally provided under the bolt cap of the ruler fixing bolt and is mounted on the bolt sliding slot with the ruler
The ruler dial that fixing bolt moves together.
In order to further increase performance, the ruler dial is quadrangle dial, and the ruler dial is connected to
On the inner sidewall of the ruler central channel, quadrangle dial is conducive to mark number reading.
In order to further increase performance, described first while ruler and it is described second while ruler bottom be provided with side ruler graticule, institute
State the line style groove of ruler and the second side ruler surface when ruler graticule is located at described first, the side ruler graticule be used for it is described
Scale on ruler dial is connected to each other mark and reads scale.
In order to further increase performance, side ruler is provided on the surface of first extension rule and second extension rule and is stretched
Long ruler graticule.
In order to further increase performance, described first while ruler and it is described second while ruler bottom be provided with tapped through hole, institute
State tapped through hole for the ruler fixing bolt threaded connection pass through after by described first while ruler and it is described second while ruler fix
In the ruler central channel.
In order to further increase performance, described first while ruler and first extension rule, it is described second while ruler and described the
Two extension rules pass through Telescopic Fixed bolt respectively and are fixedly connected, described first while ruler and it is described second while ruler the sum of length with it is straight
Ruler equal length.
In order to further increase performance, the turntable is provided centrally with centre bore for doing a top for label triangle
Point.
In above structure, drawing straight line or when common quadrangle, described first while ruler and it is described second while ruler pack up after
Be placed into the ruler central channel, when needing picture triangle, adjust described first while ruler and it is described second while ruler angle
It fixes, is done a little after fixed in the central hole, then bottom with after the length of first extension rule and second extension rule
The scribing line of ruler described in portion, so that it may make the triangle of any angle.
Beneficial effect is: can be used as ruler use under the utility model folded state, can change when drawing triangle
The parameters such as varied angle and length, draw the triangle of requirement, and integrated folding convenient carries.
Detailed description of the invention
Fig. 1 is a kind of main view of the mathematics drawing tools of Parameters variation described in the utility model；
Fig. 2 is a kind of mathematics drawing tools ruler structural schematic diagram of Parameters variation described in the utility model；
Fig. 3 is a kind of side ruler structural schematic diagram of the mathematics drawing tools of Parameters variation described in the utility model.
1, ruler；2, the first side ruler；3, the second side ruler；4, bolt sliding slot；5, ruler dial；6, the first extension rule；7,
Turntable；8, centre bore；9, the second extension rule；10, ruler fixing bolt；11, ruler central channel；12, avris in ruler；13, straight
The outer avris of ruler；14, Telescopic Fixed bolt；15, side ruler extension rule graticule；16, side ruler graticule；17, tapped through hole.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1-Figure 3, the mathematics drawing tools of a kind of Parameters variation, including ruler 1, first is in ruler 2 and second
Ruler 3, the first side ruler 2 are connected with the first extension rule 6, and the second side ruler 3 is connected with the second extension rule 9, is connected with the first side on ruler 1
Ruler 2 and the second side ruler 3, the first extension rule 6 and the second extension rule 9 are linked together by turntable 7, and ruler 1 includes ruler inner edge
Side 12 and ruler outer avris 13 are provided with ruler central channel 11, ruler center between avris 12 and the outer avris 13 of ruler in ruler
Slot 11 for first in ruler 2 and second ruler 3 slide inside it, the side of the outer avris 13 of ruler is set to bolt sliding slot 4, spiral shell
Ruler fixing bolt 10 is provided on bolt sliding slot 4 for fixed first connect with ruler 1 ruler 3 in ruler 2 and second, ruler is solid
Determine to be additionally provided with the ruler dial for being mounted on and moving together on bolt sliding slot 4 with ruler fixing bolt 10 under the bolt cap of bolt 10
5。
In order to further increase performance, ruler dial 5 is quadrangle dial, and ruler dial 5 is connected in ruler
On the inner sidewall of heart slot 11, quadrangle dial be conducive to mark number reading, first in ruler 2 and second bottom of ruler 3 be provided with
Side ruler graticule 16, the line style groove on 3 surface of ruler 2 and the second side ruler when ruler graticule 16 is located at first, side ruler graticule 16 be used for
Scale on ruler dial 5, which is connected to each other to mark, reads scale, is provided with side ruler on the surface of the first extension rule 6 and the second extension rule 9
Extension rule graticule 15, first in ruler 2 and second bottom of ruler 3 be provided with tapped through hole 17, tapped through hole 17 is solid for ruler
Determine after the threaded connection of bolt 10 passes through that ruler 3 is fixed on ruler central channel 11 in ruler 2 and second by first, the first side ruler 2 and the
One extension rule 6, the second side ruler 3 and the second extension rule 9 are fixedly connected by Telescopic Fixed bolt 14 respectively, the first side ruler 2 and the
The sum of length of two side rulers 3 and ruler equal length, turntable 7 are provided centrally with centre bore 8 for making a label triangle
Vertex.
In above structure, drawing straight line or when common quadrangle, first in ruler 2 and second ruler 3 be placed into after packing up
In ruler central channel 11, when needing picture triangle, 6 He of the angle of ruler 3 and the first extension rule in ruler 2 and second of adjusting first
It is fixed after the length of second extension rule 9, it is done at centre bore 8 a little after fixed, then bottom ruler 1 is crossed, so that it may be taken the post as
The triangle of what angle.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by appending claims and equivalents.
Claims (7)
1. a kind of mathematics drawing tools of Parameters variation, including the ruler in ruler and second of ruler, first, it is characterised in that: described
First side ruler is connected with the first extension rule, and second side ruler is connected with the second extension rule, and described is connected on the ruler
One side ruler and second side ruler, first extension rule and second extension rule are linked together by turntable, described straight
Ruler includes avris and the outer avris of ruler in ruler, is provided with ruler center between avris and the outer avris of the ruler in the ruler
Slot, the ruler central channel for described first while ruler and it is described second while ruler slide inside it, the outer avris of the ruler
Side is set to bolt sliding slot, and ruler fixing bolt is provided on the bolt sliding slot for the fixed institute that connect with the ruler
State first while ruler and it is described second while ruler, be additionally provided under the bolt cap of the ruler fixing bolt and be mounted on the bolt sliding slot
The ruler dial moved together with the ruler fixing bolt.
2. a kind of mathematics drawing tools of Parameters variation according to claim 1, it is characterised in that: the ruler dial
For quadrangle dial, the ruler dial is connected on the inner sidewall of the ruler central channel, and quadrangle dial is advantageous
In mark number reading.
3. a kind of mathematics drawing tools of Parameters variation according to claim 1, it is characterised in that: first side ruler and
Described second when the bottom of ruler is provided with ruler graticule, the ruler when ruler graticule is located at described first and the second side ruler table
The line style groove in face, the side ruler graticule, which is used to be connected to each other mark with the scale on the ruler dial, reads scale.
4. a kind of mathematics drawing tools of Parameters variation according to claim 1, it is characterised in that: first extension rule
With side ruler extension rule graticule is provided on the surface of second extension rule.
5. a kind of mathematics drawing tools of Parameters variation according to claim 1, it is characterised in that: first side ruler and
The bottom of second side ruler is provided with tapped through hole, and the tapped through hole passes through for ruler fixing bolt threaded connection
Afterwards by described first while ruler and it is described second while ruler be fixed on the ruler central channel.
6. a kind of mathematics drawing tools of Parameters variation according to claim 1, it is characterised in that: first side ruler with
First extension rule, second side ruler pass through Telescopic Fixed bolt with second extension rule respectively and are fixedly connected, described
First while ruler and it is described second while ruler the sum of length and ruler equal length.
7. a kind of mathematics drawing tools of Parameters variation according to claim 1, it is characterised in that: the center of the turntable
Centre bore is provided with for doing a label vertex of a triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821765206.3U CN209224800U (en) | 2018-10-29 | 2018-10-29 | A kind of mathematics drawing tools of Parameters variation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821765206.3U CN209224800U (en) | 2018-10-29 | 2018-10-29 | A kind of mathematics drawing tools of Parameters variation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209224800U true CN209224800U (en) | 2019-08-09 |
Family
ID=67501215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821765206.3U Expired - Fee Related CN209224800U (en) | 2018-10-29 | 2018-10-29 | A kind of mathematics drawing tools of Parameters variation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209224800U (en) |
-
2018
- 2018-10-29 CN CN201821765206.3U patent/CN209224800U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20201029 |