CN205929931U - Multifunctional measuring ruler - Google Patents
Multifunctional measuring ruler Download PDFInfo
- Publication number
- CN205929931U CN205929931U CN201620441810.5U CN201620441810U CN205929931U CN 205929931 U CN205929931 U CN 205929931U CN 201620441810 U CN201620441810 U CN 201620441810U CN 205929931 U CN205929931 U CN 205929931U
- Authority
- CN
- China
- Prior art keywords
- protractor
- chi body
- rectangle chi
- square
- rectangle
- 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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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a multifunctional measuring ruler, including the rectangle chi body, set up and be the circular shape protractor at the middle part of the rectangle chi body to and the trigonometric function chi of setting in the protractor outside, the initial point that the rectangular coordinate system that sets up was gone up to the center and the rectangle chi body of protractor coincides mutually, and the square that the trigonometric function chi formed be the circumscribed square of protractor, 45 settings that misplace of personally experiencing sth. Part of the body of trigonometric function chi and rectangle chi, the outer edge part of one side of protractor is equipped with the semi -circular ring hole of the measurement angle degree of being convenient for. This multifunctional measuring ruler application range is wide, can regard as ruler, set -square, compasses, protractor, and trigonometric function table or calculator are practical, and can swift show trigonometric function nature directly perceived, and student yi xue, understandable, easy note can improve the interest of student's study and the efficiency of the work of study widely.
Description
Technical field
The utility model is related to a kind of measuring scale.
Background technology
The commonly used stationery of student at present, such as ruler, set square, protractor, compasses, trigonometric table or calculator.
It is triangle, geometry, drawing and the study indispensable important tool of trigonometric function.But their single function, not Portable belt guarantor
Pipe.And increased stationery purchase cost, it is unfavorable for that learning efficiency improves.
Utility model content
The purpose of this utility model be provide a kind of measuring scale, can a chi multiplex, intuitively can quickly show three
The property of angle function.
For solving above-mentioned technical problem, the utility model provides a kind of measuring scale, including a rectangle chi body, arranges
In the rounded protractor at the middle part of rectangle chi body, and it is arranged on the trigonometric functional scale outside protractor；In protractor
The heart is coincided with the initial point of the rectangular coordinate system of setting on rectangle chi body, and the square that trigonometric functional scale is formed is the outer of protractor
Cut square, trigonometric functional scale and rectangle chi body misplace 45 ° and arrange；Rectangle chi body is provided with full-length Measurement scales；Angulation
Device is provided with standard angle Measurement scales；Trigonometric functional scale is provided with trigonometric function Measurement scales；The outer rim of the side of protractor
Portion is provided with a semicircle annular distance, and semicircle annular distance is arranged between 0 ° of scale of protractor and 180 ° of scales；On protractor also
It is provided with 45 ° of right triangle aperture and 30 ° of right triangle aperture.
Further, trigonometric functional scale is provided with some equally distributed and x-axis and the y-axis phase with rectangular coordinate system respectively
Vertical vertical segment mark.
Further, trigonometric functional scale is additionally provided with angle extended line mark.
Further, protractor is additionally provided with regular pentagon hole, regular hexagon hole and the first circular port.
Further, rectangle chi body is provided with some 1:100 rectangle porthole and 1:100 square porthole.
Further, rectangle chi body is provided with some different pore size second circular ports.
Further, rectangle chi body is provided with compass.
The beneficial effects of the utility model are：This measuring scale range is wide, can be used as ruler, set square, circle
Rule, protractor, trigonometric table or calculator are practical, and intuitively can fast show trigonometric function property, student is easy to learn, understandable,
Easy to remember, can greatly improve the interest of Students ' Learning and the efficiency of study and work.
Brief description
Fig. 1 is the structural representation of one embodiment of the utility model.
Wherein：1st, rectangular coordinate system；2nd, protractor；3rd, trigonometric functional scale；4th, words identification；5th, vertical segment mark；6、
Angle extended line identifies；7th, semicircle annular distance；8th, the first circular port；9th, regular pentagon hole；91st, regular hexagon hole；10th, 45 ° straight
Angle is tri-angle-holed；101st, 30 ° of right triangle aperture；11st, rectangle chi body；12、1:100 rectangle porthole；13rd, the second circular port；
14、1:100 square porthole；15th, compass.
Specific embodiment
Below specific embodiment of the present utility model is described, understands in order to those skilled in the art
The utility model, the common skill it should be apparent that the utility model is not limited to the scope of specific embodiment, to the art
For art personnel, as long as various change is in the spirit and scope of the present utility model of appended claim restriction and determination,
These changes are it will be apparent that all utilize the innovation and creation of the utility model design all in the row of protection.
Measuring scale as shown in Figure 1, including a rectangle chi body 11, be arranged on rectangle chi body 11 middle part in circle
The protractor 2 of shape, and it is arranged on the trigonometric functional scale 3 in protractor 2 outside.Separately below various pieces are retouched in detail
State：
The unit circle that the circle that wherein protractor 2 is formed is fastened for angular coordinate, and the center of protractor 2 and rectangle chi body
On 11, the initial point of the rectangular coordinate system 1 of setting coincides, and the square that trigonometric functional scale 3 is formed is the circumscribed pros of protractor 2
Shape, trigonometric functional scale 3 and rectangle chi body 11 misplace 45 ° and arrange.And rectangle chi body 11 be provided with full-length Measurement scales and
Words identification 4；Protractor 2 is provided with standard angle Measurement scales；Trigonometric functional scale 3 is provided with trigonometric function Measurement scales.Square
Shape chi body 11 is provided with the positive axis of the y-axis of compass 15, the wherein sensing of compass 15 and rectangular coordinate system 1 in the same direction.
The outer edge of the side of protractor 2 is provided with a semicircle annular distance 7 for facilitating angular surveying, semicircle annular distance
7 are arranged between 0 ° of scale of protractor 2 and 180 ° of scales it is also possible to be arranged between 0 ° of scale and -180 ° of scales, semicircle
The width of annular distance 7 is 2mm.
Protractor 2 is provided with first circular port 8 of some a diameter of 1mm under overlapping with the x-axis of rectangular coordinate system 1,
And it is spaced apart 5mm between two neighboring first circular port 8, draw bowlder, determine two the first circular ports 8 according to radius, with wherein
One the first circular port 8 is the center of circle, paintbrush is placed in another first circular port 8 and drives chi body to move in a circle, you can draw
Circle required for going out.Additionally, 10,30 ° of right triangle aperture 101 of 45 ° of right triangle aperture, positive five sides are additionally provided with protractor 2
Shape hole 9 and regular hexagon hole 91, draw 45 ° of right angled triangles, 30 ° of right angled triangles, positive five sides exactly in order to user
Shape and regular hexagon.
Above-mentioned trigonometric functional scale 3 is provided with some equally distributed and is hung down with the x-axis of rectangular coordinate system 1 and y-axis phase respectively
Straight vertical segment mark 5, user by vertical segment mark 5 accurately can be read out rapidly or calculate the four of random angle
Individual trigonometric function value.Using rectangular coordinate system 1, and the positive residual value line segment outside the circumscribed square of unit circle and positive cotangent straight line,
Just can be directly perceived, accurately, it is quickly obtained sine, cosine, tangent, the domain of definition of cotangent, codomain, maximum value or minimum value, list
Tonality, monotony interval.Angle extended line mark 6 is additionally provided with trigonometric functional scale 3, user is accurate by angle extended line mark 6
Really read the trigonometric function value corresponding to corresponding scale.
Above-mentioned rectangle chi body 11 is provided with some 1:100 rectangle porthole 12 and 1:100 square porthole 14；Wherein, 1:
100 rectangle porthole 12 includes 1:The porthole of 100 12 wall 49 wall series, promptly draws 1 in order to user:100
12 wall 49 wall；1:100 square porthole 14 includes the square opening of some 30cm 100cm, promptly draws in order to user
The some 30cm 100cm's going out is square.Additionally, rectangle chi body 11 is provided with second circular port of 10 millimeters of some Φ 3- Φ
13, the circle of 10 millimeters of Φ 3- Φ is promptly drawn in order to user.
Trigonometric table can not be used, do not use calculator, the ideological system of only sharp 1 teaching material of rectangular coordinate system is tight
Connect, Students ' Learning interest can be improved.Only using having the unit circle of angle index and the outer of unit circle in rectangular coordinate system 1
Cut the sine and cosine value line segment outside x-axis between square, the vertical segment of y-axis and the circumscribed square of unit circle and positive cotangent straight line
Mark it is possible to quickly and accurately calculate the trigonometric function value of random angle, patent of the present invention can also an intuitively mesh
So release the induced formulas of trigonometric function.The domain of definition of trigonometric function, codomain, extreme value, monotonicity, parity, dull increase and decrease
Interval, use is directly perceived, easily-learned easily mastered.
This measuring scale range is wide, can be used as ruler, set square, compasses, protractor, trigonometric table or meter
Calculate device practical, and intuitively can fast show trigonometric function property, student is easy to learn, understandable, easy to remember, can greatly improve student and learn
The interest practised and the efficiency of study and work.Chi body is the thick water white lucite of 2mm or plastic plate or liquid punching block is given birth to
Produce, it is with low cost to can be mass, and can advise greatly and promote the use of.
Claims (7)
1. a kind of measuring scale it is characterised in that include a rectangle chi body, be arranged on described rectangle chi body middle part be in
Circular protractor, and it is arranged on the trigonometric functional scale outside described protractor；
The center of protractor is coincided with the initial point of the rectangular coordinate system of setting on described rectangle chi body, described trigonometric functional scale shape
The square becoming is the circumscribed square of described protractor, and described trigonometric functional scale and described rectangle chi body misplace 45 ° and arrange；
Described rectangle chi body is provided with full-length Measurement scales；Described protractor is provided with standard angle Measurement scales；Described
Trigonometric functional scale is provided with trigonometric function Measurement scales；
The outer edge of the side of described protractor is provided with a semicircle annular distance, and described semicircle annular distance is arranged on 0 ° of protractor
Between scale and 180 ° of scales；45 ° of right triangle aperture and 30 ° of right triangle aperture are additionally provided with described protractor.
2. measuring scale according to claim 1 it is characterised in that described trigonometric functional scale be provided with some uniformly
Distribution and perpendicular with the x-axis of described rectangular coordinate system and y-axis respectively vertical segment mark.
3. measuring scale according to claim 1 prolongs it is characterised in that being additionally provided with angle on described trigonometric functional scale
Long line mark.
4. measuring scale according to claim 1 is it is characterised in that be additionally provided with regular pentagon on described protractor
Hole, regular hexagon hole and the first circular port.
5. measuring scale according to claim 1 is it is characterised in that described rectangle chi body is provided with some 1:100
Rectangle porthole and 1:100 square porthole.
6. measuring scale according to claim 1 is it is characterised in that described rectangle chi body is provided with some difference holes
Footpath second circular port.
7. measuring scale according to claim 1 is it is characterised in that described rectangle chi body is provided with compass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441810.5U CN205929931U (en) | 2016-05-16 | 2016-05-16 | Multifunctional measuring ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441810.5U CN205929931U (en) | 2016-05-16 | 2016-05-16 | Multifunctional measuring ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205929931U true CN205929931U (en) | 2017-02-08 |
Family
ID=57934109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620441810.5U Expired - Fee Related CN205929931U (en) | 2016-05-16 | 2016-05-16 | Multifunctional measuring ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205929931U (en) |
-
2016
- 2016-05-16 CN CN201620441810.5U patent/CN205929931U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20180516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |