CN110793415A - Angle measuring ruler - Google Patents
Angle measuring ruler Download PDFInfo
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- CN110793415A CN110793415A CN201911095213.6A CN201911095213A CN110793415A CN 110793415 A CN110793415 A CN 110793415A CN 201911095213 A CN201911095213 A CN 201911095213A CN 110793415 A CN110793415 A CN 110793415A
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- scale
- measuring
- arm
- ring
- angle
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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 an angle measuring ruler, which utilizes a parallelogram formed between a group of measuring arms and a supporting arm, the angle measuring ruler for measuring the included angle between the arms is further determined by arranging scales on the diagonal lines of the quadrangle, it is characterized in that the hinge ring is arranged at one end of the scale rod, the hinge ring penetrates through the scale rod, the scale ring is sleeved on the scale rod, the scale ring is provided with a sliding groove which is used for matching with the scale to slide, the inner wall of the scale ring is provided with a pair of indicating needles, the pointer points to be vertical to the scale rod, one end of each measuring arm is arranged at one end of the scale rod through a hinge ring, the measuring arms are respectively positioned at two sides of the scale rod, one end of the supporting arm is hinged with the other end of the measuring arm, the other end of the supporting arm is sleeved on the outer ring of the scale ring, the support arm can deflect relative to the scale ring, and the side surfaces of the support arm and the scale arm are provided with scale strips.
Description
Technical Field
The invention discloses an angle measuring ruler, relates to a measuring ruler for measuring an angle of a diagonal position when a mechanical workpiece is repaired by a fitter, and belongs to the field of metal processing. In particular to an angle measuring ruler which utilizes a parallelogram formed between a group of measuring arms and a supporting arm and further determines the included angle between the measuring arms by arranging scales on the diagonal lines of the quadrangle.
Background
At present, in machining pincers worker operation in-process, often need carry out the measurement of size, especially the interior angle, present survey to the interior angle, all adopt the angle ware, but because now of its annular scale groove, hardly survey the interior angle, and adjust the laminating difficulty, it is big to expand occupation space in the use, the pincers worker of being not convenient for uses at the actual operation in-process, some angle appearance that have now, through two tip articulated arm lock structures, outwards expand, and then measure the angle of both sides, its structural use stability is poor, it is inconvenient to control the use, data reading difficulty, although there is the digital display reading, but its apparatus maintenance, the protection requirement also increases thereupon.
At present, a plurality of instruments for measuring angles, such as a semicircular protractor, a square and an angle meter (a digital display angle meter), are inconvenient to use.
Publication No. CN204142118U discloses a bevel angle ruler, which comprises a first measuring side and a second measuring side which are at a predetermined angle and are not directly connected, and at least one connecting side which connects the first measuring side and the second measuring side respectively, so that the first measuring side and the second measuring side maintain the predetermined angle, and the connecting side bypasses the corner where the extension lines of the first measuring side and the second measuring side intersect, the device has a complicated structure, which can only measure an angle, cannot be used as a detection of other sizes, and is single in function.
Publication No. CN208984002U discloses a rotatory open-close type digital reading angle ruler, and it includes main scale, angle ruler, angle sensing module and digital display module, and main scale and angle ruler all articulate and set up on angle sensing module, and form the measuring area between this main scale and the angle ruler, and digital display module sets up on the main scale, and it accepts the signal of angle sensing module transmission, and the device carries out the detection of data through the sensor, and its overall cost is higher, has the requirement to the environment during the storage.
Disclosure of Invention
In order to improve the situation, the angle measuring ruler provided by the invention utilizes a parallelogram formed between a group of measuring arms and a supporting arm, and scales are arranged on the diagonal lines of the parallelogram so as to determine the included angle between the measuring arms.
The invention relates to an angle measuring ruler, which is realized by the following steps that the angle measuring ruler consists of a ruler rod, a supporting arm, a measuring arm, a hinging ring, a scale strip, a scale ring, an indicating needle and a sliding groove, wherein the hinging ring is arranged at one end of the ruler rod, the hinging ring penetrates through the ruler rod, the scale ring is sleeved on the ruler rod, the sliding groove used for sliding in a matching way with a scale is formed in the scale ring, the inner wall of the scale ring is provided with a pair of indicating needles which point to be perpendicular to the ruler rod, one ends of a pair of measuring arms are respectively arranged at one end of the ruler rod through the hinging ring, the measuring arms are respectively arranged at two sides of the ruler rod, one end of the supporting arm is hinged with the other end of the measuring arm, the other end of the supporting arm is sleeved on the outer ring of the scale ring, the supporting arm can deflect relative to the scale ring, the scale strip is arranged on the side surfaces of the supporting arm and the, the marks of the angle scale are calculated as follows:
2cos（γ/2）l1=h；
gamma is the included angle between the two measuring arms;
l1measuring the distance between hinge points at two ends of the arm;
h is the position marked on the scale rod by the gamma value, and the circle center of the hinge ring is used as a base point;
the calculation mode is that the lengths of the measuring arm and the supporting arm are the same;
when the length of the supporting arm is greater than that of the measuring arm, the length is calculated according to the following formula:
h2=l1 2cosγ+l2 2；
gamma is the included angle between the two measuring arms;
h is the position marked on the scale rod by the gamma value, and the circle center of the hinge ring is used as a base point;
l1measuring the distance between hinge points at two ends of the arm;
l2the distance between the hinge points at the two ends of the supporting arm.
Has the beneficial effects.
Firstly, can carry out angle detection through sliding, and the required range of use is little.
And secondly, the ruler can be used as a ruler during storage, and the ruler rod is concealed, so that the service life is prolonged.
Thirdly, the portable use, the low storage requirement.
Fourthly, the structure is simple, and the cost is low.
Drawings
Fig. 1 is a perspective view of an angle measuring ruler according to the present invention.
Fig. 2 is a perspective view of an angle measuring tape according to the present invention, which shows only the perspective structure in a contracted state.
Fig. 3 is a perspective view of a scale ring of an angle measuring scale according to the present invention.
FIG. 4 is a scale mark on the shaft of an angle measuring tape of the present invention.
In the attached drawings
Wherein the parts are: scale pole (1), support arm (2), measuring arm (3), hinge ring (4), scale strip (5), scale ring (6), pointer (7), sliding tray (8).
The specific implementation mode is as follows:
the invention discloses an angle measuring ruler which is realized by the following steps that the angle measuring ruler consists of a ruler rod (1), a supporting arm (2), a measuring arm (3), a hinged ring (4), a scale bar (5), a scale ring (6), an indicating needle (7) and a sliding groove (8), wherein the hinged ring (4) is arranged at one end of the ruler rod (1), the hinged ring (4) penetrates through the ruler rod (1), the scale ring (6) is sleeved on the ruler rod (1), the scale ring (6) is provided with the sliding groove (8) which is used for sliding in a matching way with a scale, the inner wall of the scale ring (6) is provided with a pair of indicating needles (7), the indicating needles (7) point to and are vertical to the ruler rod (1), one ends of a pair of measuring arms (3) are respectively arranged at one end of the ruler rod (1) through the hinged ring (4), and the measuring arms (3) are respectively positioned at two sides of the ruler rod (1), the one end of support arm (2) is articulated with the other end of measuring arm (3), and scale ring (6) outer lane is arranged in to the other end cover of support arm (2), support arm (2) can deflect relative scale ring (6), the side of support arm (2), scale arm is provided with scale strip (5), be provided with the angle scale on scale pole (1), the mark of angle scale calculates according to the following mode:
2cos（γ/2）l1=h；
gamma is the included angle between the two measuring arms (3);
l1the distance between hinge points at two ends of the arm (3) is measured;
h is the position marked on the scale rod (1) by the gamma value, and the circle center of the hinged ring (4) is used as a base point;
the calculation mode is that the length of the measuring arm (3) is the same as that of the supporting arm (2);
when the length of the supporting arm (2) is greater than that of the measuring arm (3), the length is calculated according to the following formula:
h2=l1 2cosγ+l2 2；
gamma is the included angle between the two measuring arms (3);
h is the position marked on the scale rod (1) by the gamma value, and the circle center of the hinged ring (4) is used as a base point;
l1the distance between hinge points at two ends of the arm (3) is measured;
l2the distance between hinge points at two ends of the supporting arm (2).
When the ruler is used, when the ruler is needed to be used as a ruler, the scale ring (6) is slid to the other end of the ruler rod (1), so that the supporting arm (2) and the measuring arm (3) are positioned on the same straight line and the side surfaces are coplanar, the scale strips (5) positioned on the side surfaces of the supporting arm (2) and the measuring arm (3) can be used for marking and used as the ruler, but when angle measurement is needed, the scale ring (6) is pushed, so that the scale ring (6) slides along the ruler rod (1), during sliding, the supporting arm (2) and the measuring arm (3) are opened, so that the supporting arm (2) and the measuring arm (3) form a quadrilateral structure, and along with the sliding of the scale ring (6), the included angle between the two measuring arms (3) is gradually increased, the two measuring arms (3) are respectively attached to the two sides of the angle to be measured, at this time, the scale corresponding to the indicator needle (7) in the middle of the scale ring (, when the length of the supporting arm (2) is twice the length of the measuring arm (3), the measuring arm can be directly used for measuring the angle of 360 degrees, can measure the internal angle and the external angle and achieves the purpose of measuring at multiple angles.
The above embodiments are preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that changes may be made without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.
Claims (8)
1. An angle measuring ruler is characterized in that: the scale rod comprises a scale rod, a support arm, a measuring arm, a hinge ring, a scale strip, a scale ring, an indicating needle and a sliding groove, wherein the hinge ring is arranged at one end of the scale rod and runs through the scale rod, the scale rod is sleeved with the scale ring, the scale ring is provided with the sliding groove for sliding with a scale in a matching manner, the inner wall of the scale ring is provided with a pair of indicating needles, the indicating needles point to the scale rod perpendicular to the scale rod, one end of the measuring arm is arranged at one end of the scale rod through the hinge ring, the measuring arm is arranged at two sides of the scale rod respectively, one end of the support arm is hinged with the other end of the measuring arm, the other end of the support arm is sleeved with an outer ring of the scale ring, and the side surfaces of the support arm and.
2. An angle measuring tape according to claim 1, wherein the tape shaft is provided with angle graduations.
3. An angle measuring tape according to claim 2, wherein the angular scale marks are calculated as follows:
2cos（γ/2）l1=h；
gamma is the included angle between the two measuring arms;
l1measuring the distance between hinge points at two ends of the arm;
h is the position marked on the scale rod by the gamma value, and the circle center of the hinge ring is used as a base point;
the above calculation is such that the length of the measuring arm and the support arm are the same.
4. An angle measuring tape according to claim 3, wherein the length of the support arm is greater than the length of the measuring arm, as calculated by the following equation:
h2=l1 2cosγ+l2 2；
gamma is the included angle between the two measuring arms;
h is the position marked on the scale rod by the gamma value, and the circle center of the hinge ring is used as a base point;
l1measuring the distance between hinge points at two ends of the arm;
l2the distance between the hinge points at the two ends of the supporting arm.
5. An angle measuring ruler according to claim 1, wherein when in use, when it is required to be used as a straightedge, the scale ring is slid to the other end of the scale rod so that the support arm and the measuring arm are positioned on the same straight line with the side faces coplanar, and then the scale bars positioned on the side faces of the support arm and the measuring arm can be used for marking lines and can be used as a straightedge.
6. The angle measuring scale according to claim 1, wherein when the angle measuring scale is used and angle measurement is required, the scale ring is pushed to slide along the scale rod, the support arm and the measuring arm are opened during sliding, the support arm and the measuring arm form a quadrilateral structure, an included angle between the two measuring arms is gradually increased along with the sliding of the scale ring, the two measuring arms are respectively attached to two sides of an angle to be measured, and at the moment, a scale corresponding to the pointer in the middle of the scale ring is the angle to be measured.
7. An angle measuring tape according to claim 1, wherein in use, when the length of the support arm is twice the length of the measuring arm, it can be used directly for 360 ° angle measurements, allowing the determination of the internal and external angles.
8. An angle measuring tape according to claim 1, wherein the support arm is deflectable relative to the scale ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911095213.6A CN110793415A (en) | 2019-11-11 | 2019-11-11 | Angle measuring ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911095213.6A CN110793415A (en) | 2019-11-11 | 2019-11-11 | Angle measuring ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110793415A true CN110793415A (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911095213.6A Pending CN110793415A (en) | 2019-11-11 | 2019-11-11 | Angle measuring ruler |
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| Country | Link |
|---|---|
| CN (1) | CN110793415A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426257A (en) * | 2020-04-07 | 2020-07-17 | 河北卓越电气有限责任公司 | Welding processing is with check out test set who has multi-angle adjusting structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2864585Y (en) * | 2006-01-26 | 2007-01-31 | 桂林市晶瑞传感技术有限公司 | Digital display angle gauge |
| CN201849178U (en) * | 2010-10-22 | 2011-06-01 | 李正荣 | Angle ruler |
| KR20120049037A (en) * | 2010-11-08 | 2012-05-16 | 한국건설기술연구원 | Measuring apparatus of large displacement using inclinometer |
| CN103776334A (en) * | 2014-02-17 | 2014-05-07 | 昆山振宏电子机械有限公司 | Rapid detection tool at any angle |
| CN104385194A (en) * | 2014-12-03 | 2015-03-04 | 中船黄埔文冲船舶有限公司 | Adjustable angle processing, assembling and measuring device |
| CN104713516A (en) * | 2015-04-01 | 2015-06-17 | 航天精工股份有限公司 | Device and method for measuring counterbore angle |
-
2019
- 2019-11-11 CN CN201911095213.6A patent/CN110793415A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2864585Y (en) * | 2006-01-26 | 2007-01-31 | 桂林市晶瑞传感技术有限公司 | Digital display angle gauge |
| CN201849178U (en) * | 2010-10-22 | 2011-06-01 | 李正荣 | Angle ruler |
| KR20120049037A (en) * | 2010-11-08 | 2012-05-16 | 한국건설기술연구원 | Measuring apparatus of large displacement using inclinometer |
| CN103776334A (en) * | 2014-02-17 | 2014-05-07 | 昆山振宏电子机械有限公司 | Rapid detection tool at any angle |
| CN104385194A (en) * | 2014-12-03 | 2015-03-04 | 中船黄埔文冲船舶有限公司 | Adjustable angle processing, assembling and measuring device |
| CN104713516A (en) * | 2015-04-01 | 2015-06-17 | 航天精工股份有限公司 | Device and method for measuring counterbore angle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111426257A (en) * | 2020-04-07 | 2020-07-17 | 河北卓越电气有限责任公司 | Welding processing is with check out test set who has multi-angle adjusting structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200214 |