Portable teaching angle ruler
阅读说明：本技术 便捷式教学量角尺 (Portable teaching angle ruler ) 是由 吴元敏 于 2018-08-13 设计创作，主要内容包括：本发明公开了便捷式教学量角尺,解决现有技术丈量180°至360°之间的角度麻烦、误差大、不能用于丈量或描画直线、以及占用空间大的问题。本发明包括量角尺主体、指针连接梁、角度指示板、角度指示线槽、环形嵌接凸块、环形嵌接环、形嵌接槽、延长直尺、过渡直尺、伸缩直尺容置腔、伸缩直尺,延长直尺、过渡直尺和伸缩直尺的两侧分别设有延长直尺刻度、过渡直尺刻度和伸缩直尺刻度,延长直尺、过渡直尺和伸缩直尺的长度一致,并且均为直尺长度的1.2倍。本发明结构简单、设计科学合理,使用方便,对0°-360°的角度丈量十分方便,并且丈量结果精准,具备丈量或描画较长直线的功能,节约空间。(The invention discloses a portable teaching angle ruler, which solves the problems that the prior art is troublesome in measuring an angle between 180 degrees and 360 degrees, large in error, incapable of being used for measuring or drawing a straight line and large in occupied space. The ruler comprises a protractor body, a pointer connecting beam, an angle indicating plate, an angle indicating wire groove, an annular embedding lug, an annular embedding ring, an annular embedding groove, an extension ruler, a transition ruler, a telescopic ruler accommodating cavity and a telescopic ruler, wherein extension ruler scales, transition ruler scales and telescopic ruler scales are respectively arranged on two sides of the extension ruler, the transition ruler and the telescopic ruler, and the extension ruler, the transition ruler and the telescopic ruler are consistent in length and are 1.2 times of the length of the ruler. The invention has simple structure, scientific and reasonable design, convenient use, convenient measurement of angles from 0 to 360 degrees, accurate measurement result, and space saving, and has the function of measuring or drawing longer straight lines.)
1. Portable teaching 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 the angle indicating plate (3) can freely rotate relative to the pointer connecting beam (2) so as to enable the angle indicating wire slot (8) to indicate an 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), the free end of the extension ruler (9) is connected with a transition ruler (10) integrally formed with the extension ruler (9), a telescopic ruler accommodating cavity (15) is longitudinally formed at the free end of the transition ruler (10), a telescopic ruler (11) capable of freely telescoping is arranged in the telescopic ruler accommodating cavity (15), and extension ruler scales (12), transition ruler scales (13) and telescopic ruler scales (14) are respectively arranged on the two sides of the extension ruler (9), the transition ruler (10) and the telescopic ruler (11), the lengths of the extension ruler (9), the transition ruler (10) and the telescopic ruler (11) are consistent and are 1.3 times of the length of the pointer connecting beam (2).
2. The portable teaching tape measure according to 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 portable teaching tape measure according to 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 portable teaching tape measure according to claim 1, wherein: the angle indicating plate (3), the extension ruler (9), the transition ruler (10) and the telescopic ruler (11) are all made of transparent PVC materials.
5. The portable teaching tape measure according to claim 1, wherein: the extension ruler (9) and the transition ruler (10) are consistent in width and are both wider than the telescopic ruler (11).
Technical Field
The invention relates to a portable teaching angle measuring ruler.
Background
The main use of angle measuring ruler is measured the angle, current angle measuring ruler 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 measuring ruler can not be used for measuring or draw the straight line, occupation space is big.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a portable teaching protractor, it is troublesome, the error is big to solve prior art and measure 180 to the angle between 360, can not be used for measuring or draw the straight line, and the big problem of occupation space.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a portable teaching angle ruler comprises an annular angle ruler main body with angle scales on the periphery, a pointer connecting beam arranged on an inner ring of the angle ruler 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 ruler 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, the free end of extension ruler is connected with the transition ruler with this extension ruler integrated into one piece, the free end of transition ruler is followed the vertical flexible ruler holding chamber of having seted up of transition ruler to this flexible ruler holding intracavity is equipped with the flexible ruler that can freely stretch out and draw back, the extension ruler the transition ruler with the both sides of flexible ruler are equipped with extension ruler scale, transition ruler scale and flexible ruler scale respectively, the extension ruler the transition ruler with the length of flexible ruler is unanimous, and is 1.3 times of pointer tie-beam length.
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, the extension ruler, the transition ruler and the telescopic ruler are all made of transparent PVC materials.
Further, the extension straightedge and the transition straightedge are uniform in width and are both wider than the telescopic straightedge.
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 of angles from 0 to 360 degrees, accurate measurement result, and space saving, and has the function of measuring or drawing longer straight lines.
(2) The angle measuring ruler is characterized in that the angle measuring ruler main 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 ruler, 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; establish the extension ruler through the top at angle indicator board, can be used for measuring or draw longer straight line, high durability and convenient use, and establish the transition ruler at extension ruler free end, flexible ruler holding chamber is established to the transition ruler, flexible ruler holding chamber embeds the flexible ruler that can freely stretch out and draw back, when the long straight line of measuring or drawing is measured to needs, can adopt extension ruler and transition ruler to measure or draw, if need measure or draw when drawing longer straight line, will stretch out and draw back the ruler from flexible ruler holding intracavity toward taking out can, arrange flexible ruler holding intracavity in again after using up, high durability and convenient use, and still practice thrift the space.
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.
Fig. 4 is a schematic view of the telescopic ruler of the present invention retracted into the transition ruler.
Fig. 5 is a sectional view taken along line a-a in fig. 4.
Wherein, the names corresponding to the reference numbers are:
1-a protractor main body, 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 extension ruler, 10-a transition ruler, 11-a telescopic ruler, 12-an extension ruler scale, 13-a transition ruler scale, 14-a telescopic ruler scale and 15-a telescopic ruler accommodating cavity.
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 FIGS. 1-5, the present invention provides a portable teaching angle ruler. The angle gauge comprises an annular angle gauge
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
The angle measuring ruler is characterized in that the angle measuring ruler main 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 ruler, 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; establish the extension ruler through the top at angle indicator board, can be used for measuring or draw longer straight line, high durability and convenient use, and establish the transition ruler at extension ruler free end, flexible ruler holding chamber is established to the transition ruler, flexible ruler holding chamber embeds the flexible ruler that can freely stretch out and draw back, when the long straight line of measuring or drawing is measured to needs, can adopt extension ruler and transition ruler to measure or draw, if need measure or draw when drawing longer straight line, will stretch out and draw back the ruler from flexible ruler holding intracavity toward taking out can, arrange flexible ruler holding intracavity in again after using up, high durability and convenient use, and still practice thrift the space.
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.
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