A hole edge distance measuring instrument
An instrument and hole edge technology, applied in the field of measuring instruments, can solve the problems that distance measuring tools cannot accurately measure the distance from the center to the center of the circle, and the distance from the center of the circle to the straight edge, which affects the measurement accuracy, and achieve the effect of strong practicability and accurate measurement
Active Publication Date: 2015-10-21
GUANGDONG SUNCOO TECH
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Problems solved by technology
[0004] The object of the present invention is to provide a distance measuring instrument at the edge of a hole, aiming at solving the problem that the existing distance measuring tools cannot accurately measure the distance from the center of the circle to the center of the circle and from the center of the circle to the straight edge, thus affecting the measurement accuracy
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[0016] In order to make the object, technical solution and advantages of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples.
[0017] The hole edge ranging instrument includes an adjustable hole plug, a vernier and a ruler, the adjustable hole plug is arranged at one end of the ruler; the vernier is arranged on the ruler, and slides on the ruler; the ruler is provided with a reading device: the adjustable The adjusting hole plug is placed in the measured circular hole, the center of the measured circular hole is on a fixed straight line in the adjustable hole plug, and the point where the fixed straight line intersects the scale is the zero point of the scale.
[0018] like figure 1 Shown is the structural front view of the first embodiment of the hole edge ranging instrument of the present invention. This hole edge ranging instrument includes a first adjustabl...
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The invention discloses a hole edge distance measuring instrument which comprises an adjustable hole plug, a vernier and a ruler, wherein the adjustable hole plug is arranged on one end of the ruler; the vernier is arranged on the ruler and can slide on the ruler; the ruler is provided with a reading device; and the adjustable hole plug is placed in a measured circular hole, the center of the measured circular hole is formed on a fixed straight line in the adjustable hole plug, and the crosspoint of the fixed straight line and the ruler is the zero point of the ruler. According to the hole edge distance measuring instrument, the adjustable hole plug is arranged and placed in the circular hole, so as to determine the zero point (i.e. the center of the circular hole), the hole diameter of the hole plug can be adjusted, and therefore, the distance between the circular hole with different radii and a straight edge can be measured; and the adjustable hole plug can be arranged in the position of the vernier, so that the distance between the centers of circles can be measured. The hole edge distance measuring instrument has the advantages of strong practicability and accuracy in measurement.
Description
technical field [0001] The invention relates to a measuring instrument, in particular to a hole edge distance measuring instrument. Background technique [0002] Existing distance measuring tools, such as calipers, are relatively accurate in measuring side-to-side distances and are easy to operate. However, for the measurement of some hole distances, especially the connection of panel furniture is basically connected by processing circular holes, most of the important dimensions marked are the distance from the center to the center of the circle or the distance from the center to the straight edge, while for circular It is very inconvenient to use a caliper to measure the hole, because the center of the circle is not easy to determine, which leads to inaccurate measurements, which affects the manufacturing accuracy of furniture products and even affects the quality of users. [0003] Therefore, the prior art still needs to be improved and developed. Contents of the invent...
Claims
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IPC IPC(8): G01B5/02G01B5/14
Inventor 肖小伟
Owner GUANGDONG SUNCOO TECH