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Groove depth measuring instrument

A measuring instrument and groove depth technology, which is applied in keyway measurement, mechanical depth measurement, etc., can solve the problem of inaccurate measurement of keyway or sealing groove, and achieve the effect of convenient operation

Inactive Publication Date: 2019-01-04
郑鑫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of inaccurate measurement of the keyway or sealing groove depth on the workpiece, the invention provides a special groove depth measuring instrument

Method used

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0011] As shown in the figure, a dial indicator head 1 is installed on the upper part of the measuring rod 4, a stopper 3 is installed on the lower part of the measuring rod 4, and a set screw 2 is arranged between the stopper 3 and the measuring rod 4.

[0012] When using, first use the standard block to make a standard depth groove, insert the lower end of the measuring rod 4 into the standard depth groove of the standard block, adjust the scale of the dial gauge head 1 and the stopper 4, and then lock it with the set screw 2 . At this time, set the dial gauge head 1 to "0". Then the lower end of the measuring rod 4 can be inserted into the keyway on the workpiece 5 to measure the depth of the keyway or sealing groove.

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Abstract

The invention relates to a groove depth measuring instrument. The groove depth measuring instrument is characterized in that the upper part of a measuring rod is provided with a dial gauge outfit; thelower part of the measuring rod is provided with a stopping block; a positioning screw is arranged between the stopping block and the measuring rod. With the groove depth measuring instrument adopted, the problem of the inaccuracy of the measurement of the depth of a key groove or seal groove of a workpiece can be solved. The groove depth measuring instrument is a best tool for measuring the keyway of a workpiece in the machining field.

Description

technical field [0001] The invention relates to the field of machining workpiece measurement, in particular to a special instrument for measuring the depth of a workpiece keyway. Background technique [0002] At present, in the machining industry, the depth of the keyway or sealing groove on the workpiece is measured by a depth gauge. Due to manual operations, especially the sealing groove in the hole, the measurement with the depth gauge is limited by space, and it is difficult to achieve the required precision measurement. result. Contents of the invention [0003] In order to solve the problem of inaccurate measurement of the key groove or sealing groove depth on the workpiece, the invention provides a special groove depth measuring instrument. [0004] The technical solution of the present invention is a groove depth measuring instrument, which is special in that a dial indicator head is installed on the upper part of the measuring rod, a stopper is installed on the l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/18
CPCG01B5/18G01B5/0018
Inventor 郑鑫
Owner 郑鑫
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