CN110834487A - Multifunctional annular angle measuring ruler for teaching - Google Patents
Multifunctional annular angle measuring ruler for teaching Download PDFInfo
- Publication number
- CN110834487A CN110834487A CN201810938376.5A CN201810938376A CN110834487A CN 110834487 A CN110834487 A CN 110834487A CN 201810938376 A CN201810938376 A CN 201810938376A CN 110834487 A CN110834487 A CN 110834487A
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- CN
- China
- Prior art keywords
- angle
- annular
- connecting beam
- ruler
- indicating plate
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- 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.)
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Classifications
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- 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
- B43L7/10—Plural straightedges relatively movable
- B43L7/12—Square and pivoted straightedges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The invention discloses a multifunctional annular angle measuring ruler for teaching, which solves the problems that the prior art is troublesome in measuring an angle between 180 degrees and 360 degrees, large in error and incapable of being used for measuring or drawing a straight line. The angle gauge comprises a main body of the angle gauge, a pointer connecting beam, an angle indicating plate and an angle indicating slot, wherein the pointer connecting beam is provided with an annular embedding lug, the angle indicating plate is provided with an annular embedding ring and an annular embedding slot, the angle indicating plate can freely rotate relative to the pointer connecting beam so as to enable the angle indicating slot to indicate an angle, the top end of the angle indicating plate is connected with an extended straight ruler which is integrally formed with the angle indicating plate, and two side edges of the extended straight ruler are provided with extended straight ruler scales. The invention has simple structure, scientific and reasonable design, convenient use, convenient measurement for angles of 0-360 degrees, accurate measurement result and the function of measuring or drawing straight lines.
Description
Technical Field
The invention relates to a multifunctional annular angle measuring ruler for teaching.
Background
The main use of angle square is measured the angle, current angle square is half a month generally, be used for measuring 0 to 180 angle, and measure again many times after the lead wire to the measurement of angle between 180 to 360, later add the result of measuring many times and draw, not only measure troublesome, still need through calculating the number of degrees that just can finally obtain the angle of measuring, waste time and energy, and the error after measuring many times can superpose, thereby make and measure the result accuracy poor, and current angle square can not be used for measuring or draw the straight line.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the multifunctional annular angle measuring ruler for teaching is provided, and the problems that in the prior art, the measuring angle between 180 degrees and 360 degrees is troublesome, the error is large, and the measuring ruler cannot be used for measuring or drawing straight lines are solved.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a multifunctional annular angle scale for teaching comprises an annular angle scale main body with angle scales on the periphery, a pointer connecting beam arranged on an inner ring of the angle scale main body, and an isosceles trapezoid angle indicating plate connected to the pointer connecting beam, wherein the free end of the pointer connecting beam is positioned at the circle center of the angle scale main body, an angle indicating slot is engraved on the longitudinal axis of the angle indicating plate, an outward convex annular embedding lug is arranged at the free end of the pointer connecting beam, an annular embedding ring is arranged at the bottom end of the angle indicating plate, an annular embedding slot matched with the annular embedding lug is arranged on the annular embedding ring, the angle indicating plate is embedded in the annular embedding slot through the annular embedding lug and connected with the pointer connecting beam, and the angle indicating plate can freely rotate relative to the pointer connecting beam so as to enable the angle indicating slot to indicate an angle, the top of angle indicator board be connected with angle indicator board integrated into one piece's extension ruler.
Further, the inner side of the angle measuring scale is marked with angle numerical values at the corresponding angle measuring scale in a ten-digit progressive mode.
Further, the protractor body and the pointer connecting beam are of an integrated structure and are made of transparent PVC materials.
Further, the angle indicating plate and the extension ruler are both made of transparent PVC materials.
Further, the length of the extended ruler is at least 1.6 times the length of the pointer connecting beam.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention has simple structure, scientific and reasonable design, convenient use, convenient measurement for angles of 0-360 degrees, accurate measurement result and the function of measuring or drawing straight lines.
(2) The angle measuring ruler is characterized in that the angle measuring ruler body is designed into an annular shape, the angle measuring ruler is provided with angle measuring scales on the periphery, the scales on the periphery are just 360 degrees, so that the angle between 0 degree and 360 degrees can be conveniently measured, time and labor are saved, meanwhile, the pointer connecting beam is arranged on the inner ring, the angle measuring ruler is very convenient to use, the pointer connecting beam is rotatably connected with the angle indicating plate, the axis line of the angle indicating plate is marked with the angle indicating line groove, one edge of the measured angle is superposed with the longitudinal axis line of the pointer connecting beam, the angle indicating plate is rotated to ensure that the angle indicating line groove on the angle indicating plate is superposed with the other edge of the measured angle, the degree of the measured angle can be conveniently read through the angle indicating line groove, the measurement is very simple, and the measurement precision is high; the extension ruler is arranged at the top end of the angle indicating plate, so that the angle indicating plate can be used for measuring or drawing a longer straight line, and the angle indicating plate is very convenient to use.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic view of the main body of the angle square of the present invention.
FIG. 3 is a schematic view of an angle indicating plate according to the present invention.
Wherein, the names corresponding to the reference numbers are:
1-a main body of the angle measuring ruler, 2-a pointer connecting beam, 3-an angle indicating plate, 4-an annular embedding lug, 5-an annular embedding groove, 6-an annular embedding ring, 8-an angle indicating line groove, 9-an extended ruler and 10-an extended ruler scale.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in figures 1-3, the multifunctional annular angle measuring ruler for teaching provided by the invention has the advantages of simple structure, scientific and reasonable design, convenient use, very convenient measurement for angles of 0-360 degrees, accurate measurement result and function of measuring or drawing straight lines. The angle gauge comprises an annular angle gauge main body 1 with angle scale scales arranged on the outer periphery, a pointer connecting beam 2 arranged on the inner ring of the angle gauge main body 1, and an isosceles trapezoid angle indicating plate 3 connected to the pointer connecting beam 2, wherein the free end of the pointer connecting beam 2 is positioned at the circle center of the angle gauge main body 1, an angle indicating line groove 8 is engraved on the longitudinal axis of the angle indicating plate 3, an annular embedding lug 4 protruding outwards is arranged at the free end of the pointer connecting beam 2, an annular embedding ring 6 is arranged at the bottom end of the angle indicating plate 3, an annular embedding groove 5 matched with the annular embedding lug 4 is arranged on the annular embedding ring 6, the angle indicating plate 3 is embedded in the annular embedding groove 5 through the annular embedding lug 4 and connected with the pointer connecting beam 2, and the angle indicating plate 3 can freely rotate relative to the pointer connecting beam 2 so that the angle indicating line groove 8 indicates the angle The top end of the angle indicating plate 3 is connected with an extension ruler 9 integrally formed with the angle indicating plate 3, and extension ruler scales 10 are arranged on two side edges of the extension ruler 9.
The inner sides of the angle measuring scales are marked with angle numerical values at corresponding angle measuring scales in a ten-position progressive mode, the angle measuring ruler main body 1 and the pointer connecting beam 2 are of an integrated structure and are made of transparent PVC materials, the angle indicating plate 3 and the extension straight ruler 9 are made of transparent PVC materials, and the length of the extension straight ruler 9 is at least 1.6 times of that of the pointer connecting beam 2.
The angle measuring ruler is characterized in that the angle measuring ruler body is designed into an annular shape, the angle measuring ruler is provided with angle measuring scales on the periphery, the scales on the periphery are just 360 degrees, so that the angle between 0 degree and 360 degrees can be conveniently measured, time and labor are saved, meanwhile, the pointer connecting beam is arranged on the inner ring, the angle measuring ruler is very convenient to use, the pointer connecting beam is rotatably connected with the angle indicating plate, the axis line of the angle indicating plate is marked with the angle indicating line groove, one edge of the measured angle is superposed with the longitudinal axis line of the pointer connecting beam, the angle indicating plate is rotated to ensure that the angle indicating line groove on the angle indicating plate is superposed with the other edge of the measured angle, the degree of the measured angle can be conveniently read through the angle indicating line groove, the measurement is very simple, and the measurement precision is high; the extended ruler is arranged at the top end of the angle indicating plate, so that the angle indicating plate can be used for measuring or drawing a longer straight line, and is very convenient to use
The invention has ingenious conception and low manufacturing cost, can be produced in a large scale in a factory, and is suitable for being widely popularized and applied in the technical field.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or changes made within the spirit and scope of the main design of the present invention, which still solve the technical problems consistent with the present invention, should be included in the scope of the present invention.
Claims (5)
1. Teaching is with multi-functional annular protractor, its characterized in that: comprises an annular angle measuring ruler main body (1) with angle measuring scales arranged on the periphery, a pointer connecting beam (2) arranged on the inner ring of the angle measuring ruler main body (1), and an angle indicating plate (3) connected to the pointer connecting beam (2) and in an isosceles trapezoid shape, wherein the free end of the pointer connecting beam (2) is positioned at the circle center of the angle measuring ruler main body (1), an angle indicating slot (8) is engraved on the longitudinal axis of the angle indicating plate (3), the free end of the pointer connecting beam (2) is provided with an annular scarf joint lug (4) protruding outwards, the bottom end of the angle indicating plate (3) is provided with an annular scarf joint ring (6), an annular scarf joint groove (5) matched with the annular scarf joint lug (4) is arranged on the annular scarf joint ring (6), and the angle indicating plate (3) is connected with the pointer connecting beam (2) in the annular scarf joint groove (5) through the annular scarf joint lug (4), and angle indicator board (3) can for pointer tie-beam (2) free rotation is so that angle indication wire casing (8) instruction angle, the top of angle indicator board (3) be connected with angle indicator board (3) integrated into one piece's extension ruler (9), extension ruler (9) both sides limit is equipped with extension ruler scale (10).
2. The multi-functional annular protractor for teaching of claim 1, wherein: the inner side of the angle measuring scale is marked with angle numerical values at the corresponding angle measuring scale in a ten-digit progressive mode.
3. The multi-functional annular protractor for teaching of claim 1, wherein: the angle measuring ruler is characterized in that the angle measuring ruler main body (1) and the pointer connecting beam (2) are of an integrated structure and are made of transparent PVC materials.
4. The multi-functional annular protractor for teaching of claim 1, wherein: the angle indicating plate (3) and the extension ruler (9) are both made of transparent PVC materials.
5. The multi-functional annular protractor for teaching of claim 1, wherein: the length of the extension ruler (9) is at least 1.6 times of the length of the pointer connecting beam (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810938376.5A CN110834487A (en) | 2018-08-17 | 2018-08-17 | Multifunctional annular angle measuring ruler for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810938376.5A CN110834487A (en) | 2018-08-17 | 2018-08-17 | Multifunctional annular angle measuring ruler for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110834487A true CN110834487A (en) | 2020-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810938376.5A Pending CN110834487A (en) | 2018-08-17 | 2018-08-17 | Multifunctional annular angle measuring ruler for teaching |
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| CN (1) | CN110834487A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277891Y (en) * | 1996-10-15 | 1998-04-08 | 卢水远 | A multipurpose drawing ruler |
| CN2334011Y (en) * | 1998-06-29 | 1999-08-18 | 胡义军 | Multi-purpose angle gauge |
| CN2460322Y (en) * | 2000-12-28 | 2001-11-21 | 袁旻 | Multifunction teaching ruler |
| CN2567053Y (en) * | 2002-09-14 | 2003-08-20 | 曹玉宝 | Convenient multipurpose ruler |
| TWM277914U (en) * | 2004-10-22 | 2005-10-11 | Jian-Shing Wu | Measuring ruler and compass structure with digital display panel |
| CN201275953Y (en) * | 2008-08-18 | 2009-07-22 | 王智昊 | Protractor |
| CN203385355U (en) * | 2013-05-20 | 2014-01-08 | 黑龙江科技大学 | Experimental teaching aid used for university mathematical teaching |
| CN108317925A (en) * | 2018-03-08 | 2018-07-24 | 成都众宜天成科技有限公司 | A kind of 360 ° of angle squares of portable |
| CN108454281A (en) * | 2018-03-08 | 2018-08-28 | 成都众宜天成科技有限公司 | It is a kind of can 360 ° of angle squares drawing of line measurement |
-
2018
- 2018-08-17 CN CN201810938376.5A patent/CN110834487A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2277891Y (en) * | 1996-10-15 | 1998-04-08 | 卢水远 | A multipurpose drawing ruler |
| CN2334011Y (en) * | 1998-06-29 | 1999-08-18 | 胡义军 | Multi-purpose angle gauge |
| CN2460322Y (en) * | 2000-12-28 | 2001-11-21 | 袁旻 | Multifunction teaching ruler |
| CN2567053Y (en) * | 2002-09-14 | 2003-08-20 | 曹玉宝 | Convenient multipurpose ruler |
| TWM277914U (en) * | 2004-10-22 | 2005-10-11 | Jian-Shing Wu | Measuring ruler and compass structure with digital display panel |
| CN201275953Y (en) * | 2008-08-18 | 2009-07-22 | 王智昊 | Protractor |
| CN203385355U (en) * | 2013-05-20 | 2014-01-08 | 黑龙江科技大学 | Experimental teaching aid used for university mathematical teaching |
| CN108317925A (en) * | 2018-03-08 | 2018-07-24 | 成都众宜天成科技有限公司 | A kind of 360 ° of angle squares of portable |
| CN108454281A (en) * | 2018-03-08 | 2018-08-28 | 成都众宜天成科技有限公司 | It is a kind of can 360 ° of angle squares drawing of line measurement |
Non-Patent Citations (1)
| Title |
|---|
| 黄华: "浅训教学中正弦规的应用与分析", 《现代制造技术与装备》 * |
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Application publication date: 20200225 |
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