CN208133902U - A kind of combined ruler special for economic management - Google Patents
A kind of combined ruler special for economic management Download PDFInfo
- Publication number
- CN208133902U CN208133902U CN201820169804.8U CN201820169804U CN208133902U CN 208133902 U CN208133902 U CN 208133902U CN 201820169804 U CN201820169804 U CN 201820169804U CN 208133902 U CN208133902 U CN 208133902U
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- China
- Prior art keywords
- ruler
- shaft
- angle
- scale
- special
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Abstract
The utility model discloses a kind of combined ruler special for economic management, including rounded angle measuring calibration disk, and the first ruler and the second ruler being rectangle, the long side of first ruler and the second ruler is equipped with length scale, angle measuring calibration disk is circumferentially arranged with angle index, the center point of angle measuring calibration disk is equipped with shaft, one end of first ruler and the second ruler is socketed on shaft, and first ruler and/or the second ruler and shaft be rotatablely connected, first ruler and the second ruler are equipped with the angle position line for being parallel to respective long side, the extended line of angle position line on the extended line and the second ruler of angle position line on first ruler intersects at the axial line of shaft.First ruler and the second ruler of the utility model are equipped with the angle position line for being parallel to respective long side, the extended line of angle position line on the extended line and the second ruler of angle position line on first ruler intersects at the axial line of shaft, can conveniently draw angle.
Description
Technical field
The utility model relates to teaching aid technical field, especially a kind of combined ruler special for economic management.
Background technique
When economical management teaching and specialized economic management are counted, it is often necessary to draw some diagram curves, make
Diagram curve needs to have using some rulers having a single function, and needs repeatedly to select difference sometimes for some diagram curves are made
Ruler tool carry out using, specifically operate it is more troublesome, especially teacher on blackboard carry out teaching demonstration and explanation when, more need
Ruler is replaced at any time, and it is very inconvenient that the ruler of various simple functions carries and uses, and reduces the working efficiency of teacher.
In order to solve the above-mentioned technical problem, the utility model of Patent No. " 201520270045.0 " discloses a kind of economy
Special-purpose combined ruler is managed, it includes long ruler body and protractor；The middle part of long ruler body is arranged in protractor, sets in the long ruler body
Be equipped with square templates, circular shuttering, triangle template, Crisscross template and oval template, long ruler body include upper hyaline layer,
Scale layer and lower hyaline layer, upper hyaline layer and lower hyaline layer are separately positioned on the two sides of scale layer.
The utility model of Patent No. " 201520270045.0 " discloses a kind of combined ruler special for economic management, including amount
Horn craving scale, left ruler body and right ruler body, angle measuring calibration disk middle position are equipped with hinge axis, and angle measuring calibration disk is equipped with
Angle index, angle measuring calibration disk is hinged by hinge axis and right ruler body, is provided with round hole, cross on the angle measuring calibration disk
Hole, Saint Andrew's cross shape hole and slot, angle measuring calibration side of facing left are connected with left ruler body, the left ruler body and right ruler
Slide-rule dial is equipped on body.
In economical management teaching, it is often necessary to draw angle, however the combined ruler special for economic management of above structure, it can not be fast
Speed accurately draws required angle, therefore, to those skilled in the art, how to provide a kind of economy convenient for drawing angle
Special-purpose combined ruler is managed, there is more real meaning.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of economic management special combination convenient for picture angle
Ruler.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of combined ruler special for economic management, including rounded angle measuring calibration disk, and the first ruler being rectangle
With the second ruler, the long side of first ruler and the second ruler is equipped with length scale, the angle measuring calibration disk circumferentially arranged with
Angle index, the center point of the angle measuring calibration disk are equipped with shaft, and one end of first ruler and the second ruler is socketed on institute
Shaft is stated, and first ruler and/or the second ruler and shaft are rotatablely connected, first ruler and the second ruler are equipped with
The angle position line of respective long side is parallel to, on the extended line of the angle position line on first ruler and second ruler
The extended line of angle position line intersect at the axial line of shaft.
As an improvement of the above technical solution, the angle measuring calibration disk includes the upper horn craving scale of parallel interval setting under
Horn craving scale, the both ends of the shaft are separately connected horn craving scale and inferior horn dial, first ruler and the second ruler
One end of shaft is connected between upper horn craving scale and inferior horn dial.
As an improvement of the above technical solution, it is straight to be less than described first for the thickness of one end of the first ruler connection shaft
The thickness of the one end of ruler far from shaft, the thickness of one end of the second ruler connection shaft are less than separate turn of second ruler
The thickness of one end of axis.
As an improvement of the above technical solution, it is straight to be equal to described second for the thickness of the described one end of first ruler far from shaft
The thickness of the one end of ruler far from shaft, the lower surface of the described one end of first ruler far from shaft and the second ruler are far from shaft
The lower surface of one end is generally aligned in the same plane.
As an improvement of the above technical solution, first ruler and the second ruler include upper hyaline layer, scale layer and under
Hyaline layer, upper hyaline layer and lower hyaline layer are separately positioned on the two sides of scale layer.
As an improvement of the above technical solution, the angle measuring calibration disk includes upper hyaline layer, scale layer and lower hyaline layer, on
Hyaline layer and lower hyaline layer are separately positioned on the two sides of scale layer.
As an improvement of the above technical solution, first ruler and the second ruler are equipped with pierced pattern.
As an improvement of the above technical solution, the pierced pattern includes delthyrium, round hole, cruciform vent, Saint Andrew's cross
Shape hole and slot it is one or more.
The utility model has the beneficial effects that：The combined ruler special for economic management of the utility model, by by the first ruler,
Second ruler and the cooperation of angle measuring calibration disk, user can draw circular arc line, straight line with this ruler, measure angle etc., also, angle measuring calibration
The center point of disk is equipped with shaft, and one end of the first ruler and the second ruler is socketed on the shaft, and the first ruler and/or second
Ruler and shaft are rotatablely connected, and the first ruler and the second ruler are equipped with the angle position line for being parallel to respective long side, and first is straight
The extended line of angle position line on the extended line of angle position line on ruler and second ruler intersects at the axle center of shaft
Line can conveniently draw angle.In addition, the utility model is easy to use, easy to carry, worth instructors go to promote the use of.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the combined ruler special for economic management first embodiment of the utility model；
Fig. 2 is the structural schematic diagram when combined ruler special for economic management of Fig. 1 is in limiting condition；
Fig. 3 is the structural schematic diagram of the combined ruler special for economic management second embodiment of the utility model.
In attached drawing：
1- angle measuring calibration disk 2- the first ruler 3- the second ruler 4- length scale
5- angle index 6- angle position line 7- pierced pattern
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Please refer to attached drawing.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The revealed content of specification is not intended to limit the invention enforceable so that those skilled in the art understands and reads
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
It does not influence still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach
It obtains in the range of capable of covering.Meanwhile it is cited such as "upper", "lower", " centre " and other terms in this specification, also only just
In being illustrated for narration, rather than to limit the scope of the invention, relativeness is altered or modified, without substantive change
Under more technology contents, when being also considered as the enforceable scope of the present invention.
Referring to figs. 1 to shown in Fig. 3, a kind of combined ruler special for economic management of the utility model, including rounded angulation
The long side of dial 1, and the first ruler 2 and the second ruler 3 that are rectangle, first ruler 2 and the second ruler 3 is equipped with
Length scale 4, the angle measuring calibration disk 1 are equipped with shaft circumferentially arranged with angle index 5, the center point of the angle measuring calibration disk 1,
One end of first ruler 2 and the second ruler 3 is socketed on the shaft, and first ruler 2 and/or the second ruler 3 with
Shaft rotation connection, first ruler 2 and the second ruler 3 are equipped with the angle position line 6 for being parallel to respective long side, and described the
The extended line of angle position line 6 on the extended line of angle position line 6 on one ruler 2 and second ruler 3, which intersects at, to be turned
The axial line of axis.
In above-described embodiment, first ruler 2 and/or the second ruler 3 and shaft rotation connection include three kinds of schemes：The
A kind of scheme, the first ruler 2 are fixedly connected with shaft, and the second ruler 3 is rotatablely connected with shaft；Second scheme, the second ruler 3
Be fixedly connected with shaft, the first ruler 2 is rotatablely connected with shaft, the third scheme, the first ruler 2 and the second ruler 3 simultaneously with
Shaft rotation connection.
Since the angle position line 6 on the first ruler 2 and the second ruler 3 is parallel to respective long side, according to similar triangles
Principle, 6 institute of angle position line in the angle position line 6 and the second ruler 3 on the first ruler 2 it is angled in the first ruler 2
The long side institute of 3 inside of the long side of side and the second ruler is angled equal, then prolonging due to the angle position line 6 on the first ruler 2
The extended line of angle position line 6 on long line and second ruler 3 intersects at the axial line of shaft, thus, throughput horn craving
It is angled that scale 1 can easily read the institute of the angle position line 6 in angle position line 6 and the second ruler 3 on the first ruler 2,
And then know that the long side institute of 3 inside of long side and the second ruler of 2 inside of the first ruler is angled.
As shown in the above, the combined ruler special for economic management of the utility model, by the way that the first ruler 2, second is straight
Ruler 3 and angle measuring calibration disk 1 cooperate, and user can draw circular arc line, straight line with this ruler, measure angle etc., also, angle measuring calibration disk 1
The center point be equipped with shaft, one end of the first ruler 2 and the second ruler 3 is socketed on the shaft, and the first ruler 2 and/or the
Two rulers 3 are rotatablely connected with shaft, and the first ruler 2 and the second ruler 3 are equipped with the angle position line 6 for being parallel to respective long side,
The extended line of angle position line 6 on first ruler 2 and the extended line of the angle position line 6 on second ruler 3 intersect at
The axial line of shaft can conveniently draw angle.In addition, the utility model is easy to use, easy to carry, worth instructors are gone
It promotes the use of.
In a specific embodiment, the angle measuring calibration disk 1 includes the upper horn craving scale and inferior horn of parallel interval setting
Dial, the both ends of the shaft are separately connected horn craving scale and inferior horn dial, first ruler 2 and the second ruler 3
One end of shaft is connected between upper horn craving scale and inferior horn dial.
In an advantageous embodiment, the thickness that first ruler 2 connects one end of shaft is less than first ruler 2
The thickness of one end far from shaft, the thickness that second ruler 3 connects one end of shaft are less than 3 separate turns of second ruler
The thickness of one end of axis.More preferably, the thickness of the described one end of first ruler 2 far from shaft is equal to second ruler 3
The thickness of one end far from shaft, the lower surface of the described one end of first ruler 2 far from shaft and the second ruler 3 are far from shaft
The lower surface of one end is generally aligned in the same plane.It is further preferred that the thickness that first ruler 2 connects one end of shaft adds institute
The thickness for stating one end of the second ruler 3 connection shaft is equal to or less than the thickness of first one end of ruler 2 far from shaft.It needs
It is bright, due to that can generate interference between the first ruler 2 and the second ruler 3, the combined ruler special for economic management of the utility model,
Cannot draw out has angle at any angle, is only capable of drawing out the angle with certain angle, as shown in Fig. 2, for the first ruler 2 with
Second ruler 3 is in structural schematic diagram when limiting condition.
In order to protect scale not to be worn, first ruler 2 and the second ruler 3 include upper hyaline layer, scale layer and under
Hyaline layer, upper hyaline layer and lower hyaline layer are separately positioned on the two sides of scale layer.Meanwhile the angle measuring calibration disk 1 includes upper
Bright layer, scale layer and lower hyaline layer, upper hyaline layer and lower hyaline layer are separately positioned on the two sides of scale layer.
In another preferred embodiment, as shown in figure 3, first ruler 2 and the second ruler 3 are equipped with hollow out figure
Case 7.The pierced pattern 7 includes the one or more of delthyrium, round hole, cruciform vent, Saint Andrew's cross shape hole and slot.
In the embodiment, it can according to need and draw different shapes, it is very convenient and efficient.
In conclusion the combined ruler special for economic management of the utility model, by by the first ruler 2, the second ruler 3 and amount
Horn craving scale 1 cooperates, and user can draw circular arc line, straight line with this ruler, measures angle etc., also, the center point of angle measuring calibration disk 1
Equipped with shaft, one end of the first ruler 2 and the second ruler 3 is socketed on the shaft, and the first ruler 2 and/or the second ruler 3 with
Shaft rotation connection, the first ruler 2 and the second ruler 3 are equipped with the angle position line 6 for being parallel to respective long side, the first ruler 2
On the extended line of angle position line 6 and the extended line of the angle position line 6 on second ruler 3 intersect at the axle center of shaft
Line can conveniently draw angle.In addition, the utility model is easy to use, easy to carry, worth instructors go to promote the use of.
Finally, it is stated that the above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited, to the greatest extent
Pipe is described the invention in detail referring to preferred embodiment, it should be appreciated by those of ordinary skill in the art that can be right
Technical solution of the present invention is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be contained
It covers in scope of the presently claimed invention.
Claims (8)
1. a kind of combined ruler special for economic management, including rounded angle measuring calibration disk (1), and the first ruler being rectangle
(2) and the second ruler (3), the long side of first ruler (2) and the second ruler (3) is equipped with length scale (4), and the angulation is carved
Scale (1) is circumferentially arranged with angle index (5), it is characterised in that：The center point of the angle measuring calibration disk (1) is equipped with shaft, institute
The one end for stating the first ruler (2) and the second ruler (3) is socketed on the shaft, and first ruler (2) and/or the second ruler
(3) it is rotatablely connected with shaft, first ruler (2) and the second ruler (3) are equipped with the angle positioning for being parallel to respective long side
Line (6), the extended line of the angle position line (6) on first ruler (2) and the angle position line on second ruler (3)
(6) extended line intersects at the axial line of shaft.
2. combined ruler special for economic management according to claim 1, it is characterised in that：The angle measuring calibration disk (1) includes
The upper horn craving scale and inferior horn dial of parallel interval setting, the both ends of the shaft are separately connected horn craving scale and lower horn craving
One end of scale, first ruler (2) and the second ruler (3) connection shaft be located at upper horn craving scale and inferior horn dial it
Between.
3. combined ruler special for economic management according to claim 1, it is characterised in that：First ruler (2) connection turns
The thickness of one end of axis is less than the thickness of the one end of first ruler (2) far from shaft, and second ruler (3) connects shaft
One end thickness be less than second ruler (3) far from shaft one end thickness.
4. combined ruler special for economic management according to claim 3, it is characterised in that：First ruler (2) is separate to be turned
The thickness of one end of axis is equal to the thickness of the one end of second ruler (3) far from shaft, and first ruler (2) is far from shaft
One end lower surface and the second ruler (3) be generally aligned in the same plane far from the lower surface of one end of shaft.
5. combined ruler special for economic management according to claim 1-4, it is characterised in that：First ruler
(2) and the second ruler (3) includes upper hyaline layer, scale layer and lower hyaline layer, and upper hyaline layer and lower hyaline layer are separately positioned on quarter
Spend the two sides of layer.
6. combined ruler special for economic management according to claim 1-4, it is characterised in that：The angle measuring calibration disk
It (1) include upper hyaline layer, scale layer and lower hyaline layer, upper hyaline layer and lower hyaline layer are separately positioned on the two sides of scale layer.
7. combined ruler special for economic management according to claim 1-4, it is characterised in that：First ruler
(2) and the second ruler (3) is equipped with pierced pattern (7).
8. combined ruler special for economic management according to claim 7, it is characterised in that：The pierced pattern (7) includes three
Corner apertures, round hole, cruciform vent, Saint Andrew's cross shape hole and slot it is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820169804.8U CN208133902U (en) | 2018-01-31 | 2018-01-31 | A kind of combined ruler special for economic management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820169804.8U CN208133902U (en) | 2018-01-31 | 2018-01-31 | A kind of combined ruler special for economic management |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208133902U true CN208133902U (en) | 2018-11-23 |
Family
ID=64286604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820169804.8U Expired - Fee Related CN208133902U (en) | 2018-01-31 | 2018-01-31 | A kind of combined ruler special for economic management |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208133902U (en) |
-
2018
- 2018-01-31 CN CN201820169804.8U patent/CN208133902U/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: 20181123 Termination date: 20210131 |