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Micrometer

A technology of micrometer and microtube, which is applied in the field of measuring tools, can solve problems such as complex and error-prone conversion, and achieve the effects of simple operation, simple and fast measurement, and convenient use

Inactive Publication Date: 2011-07-27
袁小勇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The micrometer uses an auxiliary fixture to measure the thickness of the smaller part of the component with uneven thickness, without replacing the micrometer with a smaller specification, but this kind of micrometer is more complicated to use, and it is easy to make mistakes in the conversion process

Method used

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  • Micrometer
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Embodiment Construction

[0011] The present invention will be further described in detail below in conjunction with the accompanying drawings. Such as figure 1 Shown, 1, a kind of micrometer it comprises static contact 1, micrometer screw rod 2, fixed sleeve 3 micrometer cylinder 4, Jing wheel rotating cylinder 5 etc. are formed. The tail of the thorn drum 5 is connected with an electric motor 9 .

[0012] The electric motor 9 is arranged on the guide rail 8 above the sleeve 7, and has a position switch 13 for overtravel protection.

[0013] Described sleeve 7 links to each other with connecting rod 6, and is fixed on the ruler frame 11, and battery 10 is housed on the connecting rod 6.

[0014] The change-over switch 12 is installed on the described ruler frame 11 and is electrically connected with the electric motor 9 and the battery 10 .

[0015] working principle:

[0016] When in use, operate the changeover switch 12 on the ruler frame 11 to control the positive and negative rotation of the e...

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Abstract

The invention relates to a micrometer which comprises a stationary contact, a micrometering screw rod, a fixed sleeve, a differential cylinder, a ratchet wheel rotating cylinder, a connecting rod, a sleeve, a guide rail, a motor cell, a gauge frame, a switching button, a position switch, and the like, wherein an electric motor is additionally arranged on a ratchet wheel to replace manual rotation; the connecting rod on the electric motor is connected with a guide rail on the sleeve; the electric motor can move left and right on the guide rail in the sleeve; the position switch is used for carrying out stroke excess protection to prevent motor from being damaged by stroke excess; the sleeve is fixed on the gauge frame by a bracket; a cell is installed on the bracket for supplying power for a motor; and a change-over switch is arranged on the gauge frame to control the positive and negative rotation of the electric motor so as to achieve the aim of rapidly decreasing or increasing the distance between two contacts. The micrometer provided by the invention has the advantages of simplicity and rapidness for measurement, simple structure, convenience in operation, and the like.

Description

technical field [0001] The invention relates to a measuring tool, in particular to a micrometer. Background technique [0002] At present, the known micrometer has two opposite contacts, and the reading of the micrometer is the distance between the two contacts. During measurement, the two contacts respectively contact the component to be measured. At this time, the reading of the micrometer is the thickness of the component. Rotate the jingle wheel to drive the micrometer cylinder to change the distance between the two contacts, but because of the limited rotation speed of the human-operated micrometer cylinder, when the measured value is too different from the actual value of the micrometer at that time, or after the micrometer is used, When it is stored in a box, it takes a lot of time to rotate the micrometer cylinder to adjust to the approximate value we need, so when in use, it always takes a lot of time to adjust the micrometer, thus wasting a lot of time. Also someo...

Claims

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Application Information

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IPC IPC(8): G01B3/18G01B5/06
Inventor 袁小勇
Owner 袁小勇