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Vernier caliper

A vernier caliper and clamping block technology, applied in the field of vernier calipers, can solve problems such as increased error

Inactive Publication Date: 2012-04-04
FU TAI HUA IND SHENZHEN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when it is necessary to use the outer card surface and the inner card surface to measure the size value, the vernier caliper can only be summed by multiple measurements, so its error is correspondingly increased to the sum of multiple measurement errors

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0015] Please also refer to figure 1 and figure 2 , is a perspective view of a vernier caliper 1 according to a preferred embodiment of the present invention. The vernier caliper 1 includes a main scale 10, a first clamping block 20, a connecting portion 30, a second clamping block 40 and a display portion 50, the first clamping block 20 is fixed on one end of the main scale 10 through the connecting portion 30, The second clamping block 40 is fixedly connected with the display part 50 and can slide relative to the main scale 10 . The first clamping block 20 slides relative to the second clamping block 40 and cooperates with it to clamp the measured object, and the display part 50 is used to display the measured value of the measured object.

[0016] Please also refer to image 3 ,for figure 1 An exploded view of the vernier caliper 1. The main ruler 10 is in the shape of a strip, and includes a fixing hole 11 and a receiving groove 12 . The fixing hole 11 is opened on ...

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PUM

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Abstract

The invention provides a vernier caliper, which comprises a main scale, a first clamp block, a second clamp block and a connecting part. The first clamp is rotatably connected to one end of the main scale through the connecting part, the second clamp block is slidably connected to the main scale, a first inner clamping face and a first outer clamping face are formed on two sides of the first clamp block respectively, and a second inner clamping face and a second outer clamping face are formed on two sides of the second clamp block respectively. When the first clamp block is positioned at a first position, the first inner clamping face is opposite to the second inner clamping face, and the first outer clamping face is opposite to the second outer clamping face. When the first clamp block rotates to a second position, the first inner clamping face is opposite to the second outer clamping face, and the first outer clamping face is opposite to the second inner clamping face.

Description

technical field [0001] The invention relates to a vernier caliper, in particular to a vernier caliper with a rotatable clamping block. Background technique [0002] The vernier caliper is a measuring tool for measuring the length, inner and outer diameter and depth of an object. It is widely used in schools, factories, workshops and other places. Typically, a vernier caliper consists of a main scale and a vernier that slides on the main scale. The two sides of the main ruler and the vernier are respectively provided with an inner card surface and an outer card surface. The inner card surface of the main ruler cooperates with the inner card surface of the vernier to measure the inner diameter, and the outer card surface and the outer card surface are used to measure the inner diameter. The surface fits together to measure the outer diameter. However, when the size value needs to be measured by using the outer card surface and the inner card surface, the vernier caliper can ...

Claims

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Application Information

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IPC IPC(8): G01B3/20
Inventor 陈松亚
Owner FU TAI HUA IND SHENZHEN