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Code wheel reading slide caliper

A vernier caliper and code disc technology, applied in the field of precision measurement, can solve the problems of high manufacturing technology level and electronic design level, high manufacturing cost, and achieve the effects of simple manufacturing process, intuitive display, and convenient use.

Inactive Publication Date: 2012-05-30
姜国根
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of caliper reads intuitively, but the manufacturing cost is relatively high, and the requirements for manufacturing technology and electronic design level are relatively high.

Method used

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  • Code wheel reading slide caliper
  • Code wheel reading slide caliper
  • Code wheel reading slide caliper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] The present invention will be further described below in conjunction with accompanying drawing.

[0022] Such as figure 1 As shown, the code disc reading type vernier caliper includes a scale body, a gear acceleration mechanism and a code disc type counter. The ruler body includes a ruler body 1 and a ruler frame 2; a rack 3 is installed in the rack groove of the ruler body 1, and the teeth of the rack 3 are set downward; the ruler frame 2 is set on the ruler body 1, and can Relative sliding displacement occurs. The ruler frame 2 is provided with a gear acceleration mechanism and a code disc type counter. When measuring the length, the ruler frame 2 is pulled to move the two claws of the caliper to the position to be measured. During the moving process, the numbers displayed in the five observation ports on the ruler frame 2 are constantly changing. Until the movement stops, the numbers displayed on each observation port correspond to one digit of the measured value...

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Abstract

The invention relates to a code wheel reading slide caliper. The traditional slide caliper has certain visual value error during reading. The code wheel reading slide caliper comprises a caliper body, a gear acceleration mechanism and a code wheel counter. The gear acceleration mechanism and the code wheel counter are arranged in a caliper frame in the caliper body; the gear acceleration mechanism comprises a plurality of acceleration mechanism intermediate wheels, caliper intermediate wheels, a caliper intermediate wheel bracket and a spring; a pair of caliper intermediate wheels is symmetrically arranged on two sides of a central gear; and the spring and the caliper intermediate wheel bracket are arranged between each pair of caliper intermediate wheels. The code wheel counter comprisesa plurality of counter code wheels, counter gear shafts, counter gears and counter pull wheels, wherein the counter pull wheels are arranged between every two counter gear shafts. The code wheel reading slide caliper has comparatively intuitive display, reduces the visual value error, facilitates the use of the caliper and reduces the manufacturing cost at the same time.

Description

technical field [0001] The invention belongs to the technical field of precision measurement, and in particular relates to a caliper equipped with a counter and a code disc to display measured values. Background technique [0002] Calipers are ruler-shaped portable general-purpose length measuring tools, mainly used to measure inner diameter, outer diameter, steps and depth, etc. At present, there are mainly three types of measurement principles: [0003] 1) Vernier caliper. The principle is to use the difference between the engraved line spacing on the main scale (referred to as the line spacing) and the line spacing on the vernier scale to read the fractional part. Therefore, when measuring, the integer part of the value is read from the main scale, and the decimal part is read from the vernier scale. There is a certain visual error in the reading. [0004] 2) With table caliper. This type of caliper device has a display dial, which is a large-scale portable length me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B3/20
Inventor 姜国根
Owner 姜国根
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