Direct number reading integrated callipers

Abstract

The invention relates to a measuring tool and provides a linear dimension measuring tool, and particularly relates to direct number reading integrated callipers. The direct number reading integrated callipers have an inward clamping state and an outward clamping state. The direct number reading integrated callipers have a pair of calliper arms which are symmetrically arranged and are crossly integrated through a rotating pin. One side of each calliper arm relative to the rotating pin is a clamping segment, and the other side is a number reading segment. The end of the clamping segment is provided with a clamping head of which an included angle to the calliper arm can be adjusted in a plane that is determined by the pair of calliper arms. The two clamping heads which have sharp front ends are symmetrically arranged. When the clamping heads incline inwards, the direct number reading integrated callipers are in the inward clamping state; and when the clamping heads incline outwards, the direct number reading integrated callipers are in the outward clamping state. The number reading segment is also provided with a number reading device which is used for reflecting an inward clamping length and an outward clamping length. The front end of each clamping head is conical.

Description

technical field [0001] The technology relates to measuring tools, and provides a linear dimension measurement tool, especially a direct reading integrated caliper, which can be used as an inner caliper when measuring wall thickness and other dimensions, and can be used as an internal caliper when measuring inner hole diameter and other dimensions. It is used as an external caliper and can directly read out the measurement data. Background technique [0002] In the prior art, when measuring linear dimensions such as wall thickness, inner hole diameter, and groove width of parts, inner calipers and outer calipers are often used for auxiliary measurement. After the opening of the calipers corresponds to the size to be measured, the calipers need to be removed. Using other measuring tools to measure the linear dimension of the caliper opening, the test results are affected by the skills of the inspectors, it is difficult to ensure that the caliper opening does not change, and it...

AI Technical Summary

Problems solved by technology

[0002] In the prior art, when measuring linear dimensions such as wall thickness, inner hole diameter, and groove width of parts, inner calipers and outer calipers are often used for auxiliary measurement. After the opening of the calipers corresponds to the size to be measured, the calipers need to be removed. Use other measuring tools to measure the linear dimension of the caliper opening. The test results are affected by the skills of the inspectors. It is difficult to ensure that the caliper opening does not change, and it is difficult to ensure the accuracy of the measurement.

In addition, the common caliper in the prior art is a single inner caliper and outer caliper, which has a single function, cannot directly read the measurement results, and cannot meet the requirements of direct and effective measurement.

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