Drawing measuring device

Abstract

The utility model discloses a drawing measuring device which comprises a first ruler and a second ruler, one end of the first ruler is rotatably connected with the second ruler, the other end of the first ruler is connected with a circular angle measurer, the angle measurer, the first ruler and the second ruler are all provided with scale marks and scale values, and the middle of the angle measurer is hollowed out. The center of the angle measurer is rotatably connected with two indicating fingers, one side of the outer end of each indicating finger extends to a scale line of the angle measurer, the first ruler and the second ruler are slidably connected with sliding indicating sleeves, and the first ruler, the second ruler and the angle measurer are all made of transparent materials; the two pointers are rotationally arranged on the angle measurer, so that one or two pointers can be rotationally used during angle measurement, the pointers are attached to the side line of the angle to measure the angle, and the outer ends of the pointers extend to the scale marks of the angle measurer, so that different length line segments of the angle can be conveniently measured. And direct reading is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the measurement technical field especially, and it relates to a drawing measuring device. BACKGROUND

[0002] The engineering cost refers to all the expenses spent in the construction of a certain project, and its core content is investment estimation, design budget, revised budget, construction drawing budget, engineering settlement and completion final accounts etc. The main task of the engineering cost is to calculate the direct expenses contained in the project according to the drawings, quota and list specifications, such as labor, materials and equipment, construction machine use, enterprise management expenses, measure expenses, rule expenses, profit and tax etc. In the engineering cost industry, it is often necessary to measure the drawings to obtain some data or draw the drawings according to the measuring ruler.

[0003] For the drawing measuring device, through the retrieval, the utility model discloses a kind of engineering cost drawing measuring ruler, as shown in Fig. Figure 1 It mainly includes ruler a and semicircular protractor b for measuring angle, and one end of ruler a is rotatably connected with semicircular protractor b.

[0004] The engineering cost drawing measuring ruler similar to the above technical scheme in the prior art is found to have room for improvement in actual implementation process: the scale line of the angle measuring device is arranged at the outer edge of the angle measuring device, so that when measuring the angle, if one or both of the two line segments forming the angle is / are shorter, the scale line of the angle measuring device cannot be reached, and reading is inconvenient. UTILITY MODEL CONTENT

[0005] In view of the deficiencies and shortcomings in the prior art, the purpose of the utility model is to provide a drawing measuring device, which solves the problem that the scale line of the angle measuring device in the prior art is arranged at the outer edge of the angle measuring device, and if one or both of the two line segments forming the angle is / are shorter, the scale line of the angle measuring device cannot be reached, and reading is inconvenient.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme: a drawing measuring device, comprising a first ruler, further comprising a second ruler, the first ruler is rotatably connected with the second ruler at one end, and the other end is connected with a circular angle measuring device, the angle measuring device, the first ruler and the second ruler are all provided with scale lines and scale values, the middle part of the angle measuring device is provided with an opening, and the angle measuring device is rotatably connected with two indicating needles at the center, the outer end of the indicating needle is extended to the scale line of the angle measuring device on one side, the first ruler and the second ruler are both provided with a sliding indicating sleeve, and the first ruler, the second ruler and the angle measuring device are all made of transparent material.

[0007] As a further improvement of the utility model, the sliding indication sleeve is made of transparent material.

[0008] As a further improvement of the utility model, the first ruler and the second ruler are both provided with two rows of scale values, the starting point of the upper row of scale values is arranged at the left end of the first ruler and the second ruler, and the starting point of the lower row of scale values is arranged at the right end of the first ruler and the second ruler.

[0009] As a further improvement of the utility model, the sliding indication sleeve on the second ruler is provided with a clamping groove capable of clamping a pen.

[0010] As a further improvement of the utility model, the clamping groove is provided with a rubber layer.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. By setting the angle measuring device as a circle, the measurement range is enlarged compared with a semicircular angle measuring device, and the subsequent angle conversion calculation is reduced for angles exceeding 180 degrees.

[0013] Two indicating needles are arranged on the angle measuring device, so that one or both indicating needles can be used when measuring an angle, and the indicating needles are attached to the side line of the angle to measure the angle. Since the outer end of the indicating needle extends to the scale line of the angle measuring device, the length of the line segment of the angle can be directly read.

[0014] 2. By arranging the first ruler and the second ruler to be rotatable, the first ruler and the second ruler can be folded when not in use, reducing the overall size and facilitating storage or carrying. In addition, when measuring the length of two line segments of an angle, the first ruler and the second ruler can be rotated to directly measure the two line segments simultaneously, which is more convenient.

[0015] 3. By arranging the indicating sliding sleeve on the first ruler and the second ruler, the indicating sliding sleeve can be slid to the measurement data during measurement, and subsequent recording can be flexibly performed according to the indication of the indicating sliding sleeve. This avoids the inconvenience of immediate direct recording during measurement, the need for brain memory, and the error caused by the offset of the first ruler and the second ruler from the measurement line.

[0016] 4. By making the first ruler, the second ruler and the angle measuring device of transparent material, the situation on the drawing below the first ruler, the second ruler and the angle measuring device can be easily observed.

[0017] 5. By setting two rows of scale values ​​on both the first and second rulers, with the starting point of the upper row of scale values ​​set at the left end of the first and second rulers and the starting point of the lower row of scale values ​​set at the right end of the first and second rulers, the reading can be taken from left to right or from right to left, increasing the convenience of reading in different scenarios.

[0018] 6. The sliding indicator sleeve on the second ruler has a slot that can hold the pen, which makes it easy to store the recording pen when not in use, thus making it convenient to store with the pen and reducing the chance of losing the pen. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings:

[0020] Figure 1 This is a schematic diagram of the existing technology;

[0021] Figure 2 This is a schematic diagram of the structure of this utility model;

[0022] Figure 3 for Figure 2 Enlarged view at point A;

[0023] In the diagram: 1. First ruler; 2. Second ruler; 3. Angle measuring device; 4. Hollowed-out; 5. Indicator needle; 6. Scale line; 7. Sliding indicator sleeve; 8. Slot; 9. Scale value. Detailed Implementation

[0024] The following is in conjunction with the appendix Figures 2-3 The present invention will be described in further detail below. For clarity, only the structures relevant to the inventive features of the present invention are shown in the figures.

[0025] For ease of description, the coordinate system is defined as follows: Figure 2 As shown, the left and right directions are horizontal, the front and back directions are vertical, and the up and down directions are vertical.

[0026] This utility model discloses a drawing measuring device. (Refer to...) Figure 2The utility model provides a kind of drawing measuring device, including first ruler 1, it further includes second ruler 2, first ruler 1 one end is rotatably connected with second ruler 2, the other end is connected with circular angle measuring device 3, compared with semicircular angle measuring device 3, it expands the measurement range, for more than 180 above angle, reduce subsequent angle conversion calculation.In addition, by rotating the first ruler 1 and the second ruler 2, the first ruler 1 and the second ruler 2 can be folded up when not in use, reducing the overall size, easy to save or carry, in addition, when measuring the length of two line segments of an angle, the first ruler 1 and the second ruler 2 can be rotated to directly measure the two line segments simultaneously, which is more convenient.

[0027] Further, the first ruler 1, the second ruler 2 and the angle measuring device 3 are made of transparent material; by making the first ruler 1, the second ruler 2 and the angle measuring device 3 of transparent material, it is convenient to observe the situation on the drawing below the first ruler 1, the second ruler 2 and the angle measuring device 3.

[0028] In addition, as shown in Figure 2 The angle measuring device 3, the first ruler 1 and the second ruler 2 are provided with scale lines 6 and scale values 9, the angle measuring device 3 is provided with a hollow 4 in the middle, and the angle measuring device 3 is rotatably connected with two indicating needles 5 in the center, the outer end of the indicating needle 5 extends to the scale line 6 of the angle measuring device 3, and the two indicating needles 5 are rotatably arranged on the angle measuring device 3, so that one or both indicating needles 5 can be used when measuring the angle, so that the indicating needle 5 adheres to the side line of the angle, and the angle is measured. Because the outer end of the indicating needle 5 extends to the scale line 6 of the angle measuring device 3, the different length line segments of the angle can be directly read.

[0029] The first ruler 1 and the second ruler 2 are slidably provided with a sliding indicating sleeve 7, and the sliding indicating sleeve 7 is made of transparent material; so that the indicating sliding sleeve can be slid to the measurement data during measurement, and subsequent recording can be flexibly recorded according to the indication of the indicating sliding sleeve. Avoid the problem of not being convenient to directly record immediately during measurement, needing to use brain memory or the first ruler 1, the second ruler 2 deviating from the measurement line to cause error. In addition, the sliding indicating sleeve 7 on the second ruler 2 is provided with a clamping groove 8 capable of clamping a pen. It can be convenient to save the recording pen when not in use, so as to save the pen together, and reduce the situation of not being able to find the pen.

[0030] In addition, as shown in Figure 2 And Figure 3As shown, the first ruler 1 and the second ruler 2 are both provided with two rows of scale values 9, the starting point of the upper row of scale values 9 is arranged at the left end of the first ruler 1 and the second ruler 2, and the starting point of the lower row of scale values 9 is arranged at the right end of the first ruler 1 and the second ruler 2.

[0031] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "mount", "link", "connect" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can indirectly connect through intermediate medium, can be the communication of two elements inside, for the ordinary skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to specific circumstances, it should be understood that, the specific embodiment described here is only used for understanding the utility model, and is not used for limiting the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

Claims

1. A drawing measuring device, comprising a first ruler, characterized in that: It also includes a second ruler, one end of the first ruler is rotatably connected to the second ruler, and the other end is connected to a circular angle measuring device. The angle measuring device, the first ruler and the second ruler are all provided with scale lines and scale values. The angle measuring device has a hollowed-out center, and two indicator needles are rotatably connected to the center of the angle measuring device. One side of the outer end of the indicator needle extends to the scale line of the angle measuring device. A sliding indicator sleeve is slidably provided on the first ruler and the second ruler. The first ruler, the second ruler and the angle measuring device are all made of transparent material.

2. The drawing measuring device according to claim 1, characterized in that: The sliding indicator sleeve is made of transparent material.

3. The drawing measuring device according to claim 1, characterized in that: The first and second rulers each have two rows of scale values. The starting point of the upper row of scale values ​​is set at the left end of the first and second rulers, and the starting point of the lower row of scale values ​​is set at the right end of the first and second rulers.

4. The drawing measuring device according to claim 1, characterized in that: The sliding indicator sleeve on the second ruler has a slot that can hold the pen.

5. A drawing measuring device according to claim 4, characterized in that: The slot is equipped with a rubber layer.

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