Angle determination ruler

Abstract

The invention discloses an angle determination ruler which uses a place between a set of measuring arms and a supporting arm to form a parallelogram, sets scales on diagonals of the quadrilateral, andthen determines an included angle between the measuring arms. The same is characterized in that a hinging ring is placed at one end of a scale rod, the hinging ring runs through the scale rod, scalerings are placed on the scale rod in a sleeving manner, the scale rings are provided with sliding grooves used for cooperating with the scale to slide. An inner wall of a scale ring is provided with apair of pointers, pointing directions of the pointers are perpendicular to the scale rod, one end of the pair of measuring arms is placed at one end of the scale rod through the hinging ring, the measuring arms are respectively located at both sides of the scale rod, one end of the supporting arm and the other end of the measuring arms are hinged, the other end of the supporting arm is placed atan outer ring of the scale ring in a sleeving manner, the supporting arm can deflect relative to the scale ring, and side surfaces of the supporting arm and the scale arms are provided with scale bars.

Description

Technical field [0001] The invention relates to an angle measuring ruler, which relates to a measuring ruler for measuring the angle position of a mechanical workpiece during fitter repair, belonging to the field of metal processing. In particular, it relates to an angle measuring ruler using a parallelogram formed between a group of measuring arms and a supporting arm, and a scale is set on the diagonal of the quadrilateral to determine the angle between the measuring arms. Background technique [0002] At present, in the process of machining pliers, it is often necessary to measure the size, especially the internal angle. At present, the angle gauge is used for the measurement of the internal angle. However, due to the annular scale groove, it is difficult to measure and adjust the internal angle. It is difficult to fit, and takes up a lot of space for expansion during use. It is not convenient for fitter to use in actual operation. Some existing angle meters use two-end hinged...

AI Technical Summary

Problems solved by technology

[0002] At present, in the process of machining fitter work, it is often necessary to measure the size, especially the inner angle. At present, anglers are used for the measurement of the inner angle. However, due to the current ring scale groove, it is difficult to measure the inner angle and adjust It is difficult to fit together, and the expansion takes up a lot of space during use, which is not convenient for the fitter to use in the actual operation process. Some existing goniometers expand outward through the clamp arm structure with two hinged ends, and then measure the angle on both sides. , the stability of its structure is poor, the control is inconvenient to use, and the data reading is difficult. Although there are digital readings, the maintenance and protection requirements of the equipment are also increased.

[0003] At present, there are many kinds of instruments for measuring angles, such as semicircular protractors, squares, and goniometers (digital display angles), but the above-mentioned instruments are inconvenient to use.

[0004] Publication No. CN204142118U discloses an angle ruler, the angle ruler includes a first measurement side and a second measurement side that are at a predetermined angle and are not directly connected, and at least one connecting side, and the connecting sides are respectively connected to the first measuring side side and the second measurement side, so that the first measurement side and the second measurement side maintain the predetermined angle, and the connecting side bypasses the corner where the extension lines of the first measurement side and the second measurement side intersect Part, the device has a complex structure, it can only measure the angle, it cannot be used as the detection of other dimensions, and the function is single

[0005] Publication No. CN208984002U discloses a rotary opening and closing digital reading angle ruler, which includes a main ruler, an angle ruler, an angle sensing module and a digital display module. The main ruler and the angle ruler are hingedly arranged on the angle sensing module, and the main ruler The measurement area is formed between the ruler and the angle ruler. The digital display module is set on the main ruler, which receives the signal transmitted by the angle sensor module. The device detects the data through the sensor. The overall cost is relatively high, and there are requirements for the environment during storage.

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