CN207140630U - A kind of foldable multifunctional chi - Google Patents
A kind of foldable multifunctional chi Download PDFInfo
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- CN207140630U CN207140630U CN201720472924.0U CN201720472924U CN207140630U CN 207140630 U CN207140630 U CN 207140630U CN 201720472924 U CN201720472924 U CN 201720472924U CN 207140630 U CN207140630 U CN 207140630U
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- chi
- main scale
- ruler
- scale
- edge
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Abstract
The utility model discloses a kind of foldable multifunctional chi, wherein, main scale left part is hinged left secondary chi, main scale right part is hinged right secondary ruler, main scale right part sets a lower half circle as the center of circle to be hinged center towards the lateral edges relative with setting ruler scale, right-hand member edge of a part of arc edge of the lower half circle as main scale, protrude outside the respective edges of main scale at another part edge, when three chi sections are combined into set square, three edges for forming a triangle hole are made up of the chi edge provided with ruler scale of each chi section；Set square telltale mark is set on left secondary chi, set square telltale mark is correspondingly arranged with the upper edge of right secondary ruler or lower edge, and the left part of right secondary ruler is provided with angle instruction groove；The extended groove in right side of the hinge hole to the main scale that are hinged with left secondary chi of main scale, makes left secondary chi to be moved right relative to main scale.This folding ruler collection ruler, set square and graphometer are the whole body, and can conveniently draw predetermined angle and triangle of different sizes, are convenient for carrying.
Description
Technical field
It the utility model is related to a kind of folding ruler, and in particular to a kind of foldable multifunctional chi.
Background technology
At present in several teaching, the indispensable stationery of Faculty and Students includes ruler, set square, graphometer etc..Set square one
Set is divided into two pieces, and one is special right angled triangle, and another is isosceles right triangle.Due to the function list of above-mentioned stationery
One, often need two pieces or two pieces above stationery being used in combination with, operate extremely complex.The teaching aid size that teacher uses
It is larger, it is very inconvenient to carry more than one piece teaching aid.In addition, set square of the prior art, is fixed size, size is drawn not
Same triangle is, it is necessary to which mobile ruler, draws to a line a line, either student's operation on homework book, or teacher exist
Charted on blackboard, it is all cumbersome.
Utility model content
The purpose of this utility model is to improve the deficiencies in the prior art, there is provided one kind can collect ruler, set square and half
Circle instrument is the whole body, can easily draw predetermined angle and triangle of different sizes, and the foldable multifunctional that can be convenient for carrying
Chi.
What the purpose of this utility model was realized in：
A kind of foldable multifunctional chi, including three main scale, left secondary chi and right secondary ruler chi sections, based on middle chi section
Chi, the left part of the main scale are hinged left secondary chi, and right part is hinged right secondary ruler, the main scale, left secondary chi and the word exhibition of right secondary ruler one
The continuous ruler of a scale is formed after opening；The right part of the main scale using be hinged center be the center of circle towards with setting ruler scale phase
To lateral edges one lower half circle is set, the right-hand member edge of a part of arc edge of the lower half circle as the main scale is another
Part edge is protruded outside the respective edges of the main scale, angle index line in the lower half circle be 0-180 °, 0 ° and
180 ° of line on the straight line parallel to main scale lower edges, a part of angle index line in the straight related scale of main scale, but
It is less than 60 ° into the angle in main related scale, when the main scale and left secondary chi, right secondary ruler are combined into set square, forms one or three
Three edges of angular hole are made up of the chi edge provided with ruler scale of each chi section；The left secondary chi is determined provided with set square
Position mark, the set square telltale mark and the upper edge of the right secondary ruler be correspondingly arranged, or, the set square telltale mark and
The lower edge of the right secondary ruler is correspondingly arranged；The left part of the right secondary ruler is provided with angle instruction groove；
The main scale opens up a groove with right side extension of the hinge hole that the left secondary chi is hinged to the main scale, the ditch
The width of groove matches with being hinged the jointed shaft of the main scale and left secondary chi so that and jointed shaft can move in the groove, so that
Obtaining left secondary chi can move right relative to main scale.
This foldable multifunctional chi, can be used as ruler；Angle can be measured and drawn by main scale and right secondary ruler, plays semicircle
The effect of instrument, rotated by right secondary ruler relative to main scale, the angle of required angle can be drawn in the case where not moving main scale, because
This is more more convenient than graphometer use；By the way that left secondary chi and right secondary ruler are inwardly rotated relative to main scale, various angles can be formed
The triangle of degree, by the triangle hole formed among three chi sections, the triangle of a standard criterion can be gone out with unicursal.
The angle of the triangle can be arbitrary, and existing set square angle is fixed.
Further, this foldable multifunctional chi fixes main scale and right secondary ruler, by the groove being extended on main scale, only needs
Left secondary chi is allowed to be translated relative to main scale, it is possible to obtain that angle is identical, but triangle hole of different sizes, so as to which one is painted
Make triangle of different sizes.
Preferably, the groove is the straight trough with main scale sides aligned parallel.
Preferably, the groove is provided with several relative depressed parts so that the jointed shaft is placed in the depressed part and consolidated
It is fixed.
Preferably, pad is installed between the main scale and the left secondary chi, the thickness of the pad and the thickness of the right secondary ruler
Degree is corresponding.
Preferably, one first elongated hole is set on the main scale, and first elongated hole and the center of circle of the lower half circle are located at together
On one straight line；One second elongated hole is set in the right secondary ruler, and second elongated hole is located at always with angle instruction groove
On line.By first elongated hole and the second elongated hole, indicated with reference to the angle index in lower half circle and the angle in right secondary ruler
Groove, it can easily draw the two lines for accompanying set angle.
The utility model has the following advantages that compared with prior art：
1. the utility model integrates the functions such as ruler, set square, graphometer, and only has ruler size after folding,
It is easy to carry.
2. the triangle hole that the utility model is made up of three chi sections, triangle can be drawn with easily one, because
Edge for the triangle hole of composition is that each chi section sets graduated chi edge, so can intuitively know what is painted
Each edge lengths of triangle so that the utility model can not only play the function of set square, also better than set square the effect of.
3. groove is set between main scale and left secondary chi so that left secondary chi can move relative to main scale, can draw phase
With angle but triangle of different sizes, this be existing set square without function.
4. the utility model is by the setting set square telltale mark on left secondary chi, such as telltale mark can be 30 ° straight
Angle triangle and 45 ° of right angled triangles, can quickly form special triangle, facilitate teacher student to use.
5. setting angle index on main scale of the present utility model in lower half circle, most of meter full scale is all in chi edge, side
Just measurement mark, coordinate with right secondary ruler, can easily draw angle, it is more convenient compared with graphometer use.
6. the utility model is simple in construction, easy to process, operation is easy, applied widely, before having good market
Scape.
Below by drawings and examples, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is the structural representation of foldable multifunctional chi provided by the utility model, wherein three chi section group isosceles at 45 °
Right angled triangle.
Fig. 2 is Fig. 1 overlooking the structure diagram.
Fig. 3 is on the basis of Fig. 1, and the multi-functional of less 45 ° of isosceles right triangles is formed by mobile left secondary chi
The structural representation of folding ruler.
Fig. 4 is the structural representation of main scale in the foldable multifunctional chi that utility model provides.
Fig. 5 is the structural representation of left secondary chi in the foldable multifunctional chi that utility model provides.
Fig. 6 is the structural representation of right secondary ruler in the foldable multifunctional chi that utility model provides.
Fig. 7 is the structural representation of pad in the foldable multifunctional chi that utility model provides.
Fig. 8 is the structural representation for being used as graphometer by folding ruler provided by the utility model.
Fig. 9 is the structure that 30 ° of right angled triangles are made up of three chi sections of foldable multifunctional chi provided by the utility model
Schematic diagram.
Figure 10 is the foldable multifunctional for forming less 30 ° of right angled triangles by mobile left secondary chi on the basis of Fig. 9
The structural representation of chi.
Embodiment
Referring to Fig. 1 to Fig. 7, foldable multifunctional chi provided by the utility model, including main scale 1, left secondary chi 2 and right secondary ruler 3.
As shown in figure 4, setting hinge hole on the midpoint of the left part width of main scale 1, the hinge hole is simultaneously extended into the right
One linear type groove 11 parallel with the lower edges of main scale 1.Hinge hole 12 is set on the midpoint of the right part width of main scale 1,
The center of circle of hinge hole 12 is point-blank and parallel with main scale lower edges with the center line of groove 11.Using be hinged center as circle
The heart sets a lower half circle 13, and the edge of lower half circle 13 is provided with angle index line.A part of arc edge of the lower half circle 13 is made
For the right-hand member edge of main scale 1, another part edge is protruded outside the lower edge of main scale 1, the angle index line in lower half circle 13
For 0-180 °.0 ° and 180 ° of line is on the straight line parallel to main scale lower edges, and a part of angle index line is in main scale
In straight related scale, but the angle entered in main related scale is less than 60 °.It is the first length that a marking groove is set on the right side of main scale 1
Hole 14, first elongated hole 14 are point-blank and parallel with main scale lower edges with the center of circle of hinge hole.
As shown in figure 5, setting hinge hole 21 on the midpoint of the right part width of left secondary chi 2, two are provided with left secondary chi 2
Set square telltale mark 22, respectively 30 ° of telltale marks and 45 ° of telltale marks.45 ° of telltale marks are a straight line, and 30 ° of positioning are marked
It is designated as two rectilinear(-al)s to intersect vertically.
As shown in fig. 6, hinge hole 31 is set on the midpoint of the left part width of right secondary ruler 3, the edge of the left part of right secondary ruler 3
For circular arc, the center of circle of the circular arc is in the center of circle of hinge hole 31, and the lower half circle 13 set on the radius and main scale of the circular arc
Radius it is equal.Centrally disposed straight line in right secondary ruler 3 from the center of circle of hinge hole to radiused edges, form angle and refer to
Show groove 32.Be additionally provided with a marking groove i.e. the second elongated hole 33 in right secondary ruler 3, the center of circle of second elongated hole 33 and hinge hole 31 with
And angle index line is on same straight line and parallel with the right lower edges of secondary ruler 3.
Foldable multifunctional chi provided by the utility model is formed by above three chi section, a jointed shaft is located in main scale 1
Groove 11, pad 0（As shown in Figure 7）Perforation and left secondary chi 2 hinge hole 21 in it is fixed so that main scale 1 and left secondary chi 2 are be hinged
Connection；One jointed shaft is located in the hinge hole 31 on the hinge hole 12 and right secondary ruler 3 of main scale 1 fixed so that main scale 1 and right pair
Chi 3 is articulated and connected.
As depicted in figs. 1 and 2, in the present embodiment, left secondary chi is rotated clockwise to horizontal level, by the right secondary ruler inverse time
Pin is rotated to horizontal level, main scale, left secondary chi and right secondary ruler is superimposed together.Now, it is successively from top to bottom left secondary chi, the right side
Secondary ruler, main scale.In order to prevent being interfered between left secondary chi and right secondary ruler, pad is installed between the main scale and the left secondary chi
Piece, the thickness of pad is suitable with right secondary ruler, and the external diameter of pad matches with the length of right secondary ruler, when three chi sections are superimposed together
When will not contradict.The width of three chi section other parts in addition at the lower half circle on main scale is equal.
After main scale 1, left secondary chi 2 and the expansion of the word of right secondary ruler 3 one, the continuous ruler of a scale may be constructed.By Fig. 4 to Fig. 6
The length of each chi section, the utility model are being launched into ruler in shown embodiment, and the length that can be measured is 42 centimetres, and one
As common ruler range be only 15 centimetres.As shown in figure 4, in the present embodiment, the main scale is 208 millimeters of length, width
35 millimeters of ruler.And after being superimposed together, its length is the length of main scale 1, is about 2/5ths of length of run.
If as shown in figure 8, the utility model is used as graphometer, it is possible to by the right pair of the present utility model of expansion
Chi 3 merges with main scale 1, and the scale that an at least 120 ° scopes are just constituted in the right-hand member of main scale 1 all exposes in ruler edge
Part be used for angular dimension.The utility model can draw two straight lines of angle unspecified angle between 0 °~180 °, first
Main scale is horizontal positioned, and along the upper along straight line is drawn of main scale 1, then rotating right secondary ruler points to angle instruction groove 32
Angle index in lower half circle 13, such as 30 °, Article 2 straight line is drawn along the upper edge of right secondary ruler, as shown in Figure 9.
The utility model can measure the angle angle between intersecting two straight line by the first elongated hole 14 and the second elongated hole 33,
Mobile main scale 1, the straight line for making to intersect in two straight lines are located in the first elongated hole 14, and rotating right secondary ruler 3 makes another straight line
In the second elongated hole 33, the angle index value of the now reading angular instruction sensing of groove 32, the angle angle of as two straight lines.
Two straight lines of any angle can also be drawn by the first elongated hole and the second elongated hole, it is first that main scale 1 is horizontal positioned, along the first length
The interior edge in hole 14 draws straight line, and the angle that then rotating right secondary ruler 3 makes angle instruction groove 32 point in lower half circle is carved
Degree, such as 30 °, Article 2 straight line is drawn along the interior edge of the second elongated hole 33, as shown in Figure 9.Realize the function of graphometer.
If as shown in figure 1, the utility model is used as set square, by the utility model of folding such as Fig. 1 mode
Expansion, left secondary chi 2 therein and right secondary ruler 3 can form triangle at any angle, and by being surrounded among three chi sections
Triangle hole, you can unicursal goes out the triangle of a unusual specification.Carved because triangle hole periphery is dispersed with ruler
Degree, therefore, the length on the Atria side drawn can be with very clear.
Students in middle and primary schools it is more to do 30 ° of right angled triangles and 45 ° of isosceles right triangles.Therefore, set on left secondary chi
The set square telltale mark 22 of two kinds of special triangles is put.As shown in figure 1, when the graduated edge and left secondary chi of right secondary ruler
On the alignment of 45 ° of telltale marks of linear, you can organize isosceles right triangle at 45 °.As shown in figure 9, there is quarter when right secondary ruler
The edge and end margin of degree align with two 30 ° to intersect vertically telltale marks 22, you can 30 ° of right angled triangles of composition.
If drawing triangle of different sizes, it can allow and be hinged the jointed shaft for fixing main scale 1 and left secondary chi 2 along master
Groove 11 on chi moves, as shown in figs. 3 and 10 so that the triangle hole size surrounded between three chi sections changes, i.e.,
The identical and of different sizes triangle of angle can easily be drawn.
Certainly, the first elongated hole on main scale 1 and right secondary ruler 3 and the second elongated hole can also be not provided with, and form another implementation
Example.
Groove 11 on main scale 1, naturally it is also possible to be that the groove is provided with several relative depressed parts so that described
Jointed shaft is placed in the depressed part and fixed.
Set square telltale mark 22 on left secondary chi can also be arranged to be not provided with ruler scale one with right secondary ruler 3
Position corresponding to individual lateral edges.This is dependent on the design of the length of each chi section.
Main scale 1, left secondary chi 2 and right secondary ruler 3 are preferably supported using transparent material, such as by injection molding, are used
Plastics are preferably makrolon, polyvinyl chloride, polystyrene etc..
Claims (6)
- A kind of 1. foldable multifunctional chi, it is characterised in that：Including three main scale, left secondary chi and right secondary ruler chi sections, located at centre Chi section is main scale, and the left part of the main scale is hinged left secondary chi, and right part is hinged right secondary ruler, set on a lateral edges of three chi sections Ruler scale is put, the continuous ruler of a scale is formed after the main scale, left secondary chi and the expansion of the word of right secondary ruler one；The right side of the main scale End using be hinged center be the center of circle towards with set ruler scale it is relative lateral edges setting one lower half circle, the one of the lower half circle Right-hand member edge of the partial arc edge as the main scale, another part edge are protruded outside the respective edges of the main scale, Angle index line in the lower half circle is 0-180 °, 0 ° and 180 ° of line in the straight line parallel to main scale lower edges On, a part of angle index line is in the straight related scale of main scale, but the angle entered in main related scale is less than 60 °, as the master When chi and left secondary chi, right secondary ruler are combined into set square, three edges for forming a triangle hole are provided with ruler by each chi section The chi edge of scale is formed；The left secondary chi is provided with set square telltale mark, the set square telltale mark and the right pair The upper edge of chi is correspondingly arranged, or, the set square telltale mark and the lower edge of the right secondary ruler are correspondingly arranged, the right secondary ruler Left part be provided with angle instruction groove；The main scale opens up a groove with right side extension of the hinge hole that the left secondary chi is hinged to the main scale, the groove Width matches with being hinged the jointed shaft of the main scale and left secondary chi so that jointed shaft can move in the groove, so that left Secondary ruler can move right relative to main scale.
- 2. foldable multifunctional chi according to claim 1, it is characterised in that：The groove is the chi sides aligned parallel with main scale Straight trough.
- 3. foldable multifunctional chi according to claim 1 or 2, it is characterised in that：It is relative that the groove is provided with several Depressed part so that the jointed shaft is placed in the depressed part and fixed.
- 4. foldable multifunctional chi according to claim 1 or 2, it is characterised in that：Between the main scale and the left secondary chi Pad is installed, the thickness of the pad is corresponding with the thickness of the right secondary ruler.
- 5. foldable multifunctional chi according to claim 3, it is characterised in that：Installed between the main scale and the left secondary chi Pad, the thickness of the pad are corresponding with the thickness of the right secondary ruler.
- 6. foldable multifunctional chi according to claim 1 or 2, it is characterised in that：One first elongated hole is set on the main scale, First elongated hole and the center of circle of the lower half circle are located along the same line；One second elongated hole is set in the right secondary ruler, it is described Second elongated hole is located along the same line with angle instruction groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720472924.0U CN207140630U (en) | 2017-04-28 | 2017-04-28 | A kind of foldable multifunctional chi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720472924.0U CN207140630U (en) | 2017-04-28 | 2017-04-28 | A kind of foldable multifunctional chi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207140630U true CN207140630U (en) | 2018-03-27 |
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ID=61658274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720472924.0U Expired - Fee Related CN207140630U (en) | 2017-04-28 | 2017-04-28 | A kind of foldable multifunctional chi |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207140630U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093819A (en) * | 2019-06-10 | 2019-08-06 | 中铁宝桥集团有限公司 | A kind of tramcar groove-shape rail measurement ruler |
| CN115179679A (en) * | 2022-08-11 | 2022-10-14 | 日照职业技术学院 | Be used for mathematical education combination formula drawing appurtenance |
-
2017
- 2017-04-28 CN CN201720472924.0U patent/CN207140630U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110093819A (en) * | 2019-06-10 | 2019-08-06 | 中铁宝桥集团有限公司 | A kind of tramcar groove-shape rail measurement ruler |
| CN110093819B (en) * | 2019-06-10 | 2024-05-17 | 中铁宝桥集团有限公司 | Tram groove-shaped steel rail measurement ruler |
| CN115179679A (en) * | 2022-08-11 | 2022-10-14 | 日照职业技术学院 | Be used for mathematical education combination formula drawing appurtenance |
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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 |
Granted publication date: 20180327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |