Integrated multifunctional caliber

Abstract

The invention provides an integrated multifunctional caliber. The multifunctional caliper has inner caliper and outer caliper two states, and comprises a pair of caliper arms, which are symmetrically arranged and are in cross hinge through a rotation pin, wherein one section, at one side of the rotation pin, of each caliper arm is a clamping section, and the other section is a reading section. The end portion of each clamping section is provided with a caliper head, the included angle between which and the caliper arm is adjustable in the plane defined by the pair of caliper arms; the two caliper heads, the front ends of which are sharp ends, are symmetrically arranged; when the caliper heads tilt inwardly, the caliper is an inner caliper, and when the caliper heads tilt outwardly, the caliper is an outer caliper; the reading section is provided with a reading device for reflecting the length of the inner caliper and the length of the outer caliper; the caliper heads are rotatably arranged at the end portions of the clamping sections respectively; the two sides of the back end of each caliper head are respectively provided with a limit lug for limiting the caliper head from tilting inwardly and outwardly to an extreme position; and the reading device comprises a bent ruler provided with a circular arc-shaped kidney-shaped hole, and two guide columns movably arranged in the kidney-shaped hole, wherein one guide column is connected with one caliper arm, and the two surfaces of the bent ruler are provided with scale marks corresponding to the length of the inner caliper and the length of the outer caliper respectively.

Description

technical field [0001] This technology relates to measuring tools, and provides a linear dimension measuring tool, especially an integrated multifunctional caliper, which can be used as an inner caliper when measuring dimensions such as wall thickness, and can be used as an inner caliper when measuring dimensions such as inner hole diameter. 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 is al...

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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