Protractor capable of measuring angle of real object

Abstract

The utility model discloses a protractor capable of measuring the angle of a real object. The protractor comprises a semicircular protractor body and a scale, the lower part of the protractor body is provided with a connecting part, the connecting part is provided with a clamping groove, and the clamping groove is provided with a connecting hole at the circle center of the protractor body; the scale comprises a positioning plate and a measuring plate, the positioning plate is matched with the clamping groove in shape and size, the lower portion of the measuring plate and the positioning plate are connected through a rotating shaft and can rotate relatively, when the positioning plate is clamped into the clamping groove, the rotating shaft is inserted into the connecting hole, and a fastening nut is arranged on the rotating shaft; the central axis of the measuring plate passes through the axis of the rotating shaft and is perpendicular to the axis of the rotating shaft, a marked line is arranged at the position of the central axis of the measuring plate, and the measuring plate is made of transparent materials. Through the cooperation of the protractor and the ruler, the angle of an actual object in life can be easily measured, data can be conveniently read, the use is simple and convenient, the measurement result is accurate, and the structure is simple.

Description

TECHNICAL FIELD

[0001] The utility model relates to angle measuring device technical field, specifically point to a kind of angle measuring device that can measure real object angle. BACKGROUND

[0002] Now on the market student's angle measuring device is mostly simple semicircular structure, only single measurement plane two-dimensional figure angle. However, in actual use, there are often some practical lessons on books, require students to measure the angle of real object in life with angle measuring device, at this time it will be found that real object cannot be accurately measured with angle measuring device, poor applicability, reduce the actual hands-on ability of student after class. SUMMARY

[0003] The utility model solves the technical problem to overcome the above-mentioned technical defects, provide a kind of angle measuring device that can measure real object angle.

[0004] To solve the above technical problem, the technical scheme provided by the utility model is an angle measuring device that can measure real object angle: including semicircular angle measuring device body, scale;The lower part of the angle measuring device body is provided with a connecting part, the connecting part is provided with a clamping groove, the upper edge of the clamping groove is on a straight line passing through the 0 scale position, the center of the angle measuring device body and the 180 scale position, and the clamping groove extends upward at the center of the angle measuring device body, and the clamping groove is provided with a connecting hole at the center of the angle measuring device body;The scale includes a positioning plate and a measuring plate, the shape and size of the positioning plate are matched with the shape and size of the clamping groove, so that the positioning plate can be clamped into the clamping groove, the lower part of the measuring plate is connected with the positioning plate through a rotating shaft and can rotate relative to each other, when the positioning plate is clamped into the clamping groove, the rotating shaft is inserted into the connecting hole, and a fastening nut is arranged on the rotating shaft;The central axis of the measuring plate passes through the axis of the rotating shaft and is perpendicular to the axis of the rotating shaft, the central axis of the measuring plate is provided with a scale line, and the measuring plate is made of transparent material.

[0005] Further, the diameter of the rotating shaft is matched with the diameter of the connecting hole.

[0006] Compared with the prior art, the utility model has the advantages that: the utility model can easily measure the angle of real object in life and read data conveniently by the cooperation of angle measuring device and scale, is simple and convenient to use, the measurement result is accurate, the structure is simple, can be produced and manufactured, and has practicality. BRIEF DESCRIPTION OF DRAWINGS

[0007] Figure 1 It is the structure schematic view of the angle measuring device that can measure real object angle of the utility model.

[0008] Figure 2 It is the structure schematic view of the angle measuring device body of the angle measuring device that can measure real object angle of the utility model.

[0009] Figure 3 is the structure diagram of the ruler of the protractor which can measure the angle of real object.

[0010] Figure 4 is the reference diagram when measuring the angle by the ruler of the protractor which can measure the angle of real object.

[0011] Figure 5 is the reference diagram when reading the angle by the cooperation of the ruler and the protractor body of the protractor which can measure the angle of real object.

[0012] As shown in the figure:

[0013] 1, the protractor body, 2, the clamping groove, 3, the connecting hole, 4, the positioning plate, 5, the measuring plate, 6, the pivot, 7, the scale line. Specific implementation

[0014] In order to make the purpose, technical scheme and advantage of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0015] Embodiment 1, in combination with the drawings Figures 1-5 A protractor which can measure the angle of real object, including semicircular protractor body 1, ruler, the lower part of the protractor body 1 is provided with a connecting part, the connecting part is provided with a clamping groove 2, the upper edge of the clamping groove 2 is on a straight line passing through the 0 scale position, the center of the protractor body 1 and the 180 scale position, and the clamping groove 2 extends upward at the center of the protractor body 1, and the clamping groove 2 is provided with a connecting hole 3 at the center of the protractor body 1, the ruler includes a positioning plate 4 and a measuring plate 5, the shape and size of the positioning plate 4 are matched with the shape and size of the clamping groove 2, so that the positioning plate 4 can be clamped into the clamping groove 2, the lower part of the measuring plate 5 is connected with the positioning plate 4 through a pivot 6 and can rotate relatively, the diameter of the pivot 6 is matched with the diameter of the connecting hole 3, when the positioning plate 4 is clamped into the clamping groove 2, the pivot 6 is inserted into the connecting hole 3, and the pivot 6 is provided with a fastening nut, the central axis of the measuring plate 5 passes through the axis of the pivot 6 and is perpendicular to the axis of the pivot 6, the central axis of the measuring plate 5 is provided with a scale line 7, and the measuring plate 5 is made of transparent material.

[0016] The angle gauge body 1 can be used as a common angle gauge to measure the angle of a two-dimensional figure of a plane.

[0017] In the description of the embodiments of the utility model, it needs to be explained that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship when the utility model product is usually placed, only for the convenience of describing the utility model and simplifying the description, and not to indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

[0018] In addition, if the terms "horizontal", "vertical", "overhanging" and the like appear, it does not mean that the component must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0019] In the description of the embodiments of the utility model, "a plurality of" represents at least 2.

[0020] In the description of the embodiments of the utility model, it also needs to be explained that unless otherwise explicitly specified and limited, if the terms "set", "install", "connect", "connect" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A protractor capable of measuring real angles, characterized in that: The protractor body (1) is semicircular, and the scale is provided with a positioning plate (4) and a measuring plate (5). The lower part of the protractor body (1) is provided with a connecting part, and the connecting part is provided with a clamping groove (2). The upper edge of the clamping groove (2) is located on a straight line passing through the 0 scale position, the center of the circle and the 180 scale position of the protractor body (1), and the clamping groove (2) extends upward at the center of the protractor body (1). The clamping groove (2) is provided with a connecting hole (3) at the center of the protractor body (1).

2. The protractor of claim 1, wherein: The scale includes a positioning plate (4) and a measuring plate (5). The shape and size of the positioning plate (4) are matched with the shape and size of the clamping groove (2), so that the positioning plate (4) can be clamped into the clamping groove (2). The lower part of the measuring plate (5) is connected with the positioning plate (4) through a rotating shaft (6) and can rotate relatively. When the positioning plate (4) is clamped into the clamping groove (2), the rotating shaft (6) is inserted into the connecting hole (3). The rotating shaft (6) is provided with a fastening nut. The central axis of the measuring plate (5) passes through the axis of the rotating shaft (6) and is perpendicular to the axis of the rotating shaft (6). The central axis of the measuring plate (5) is provided with a scale line (7). The diameter of the rotating shaft (6) is matched with the diameter of the connecting hole (3).

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