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Gauge for detecting step hole depth

A step hole and depth technology, applied in the field of detection devices, can solve the problems of large measurement deviation and inclination of the step hole 12, and achieve the effect of remarkable technical effect.

Inactive Publication Date: 2017-02-22
ANHUI HELI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

E.g figure 1 In the shown workpiece 10 to be measured, a stepped hole 12 is opened on the bottom plate 11, and the depth of the stepped hole 12 is usually measured by a depth gauge with a vernier caliper. , leading to large measurement deviations

Method used

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  • Gauge for detecting step hole depth
  • Gauge for detecting step hole depth

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Experimental program
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Embodiment Construction

[0010] Such as figure 2 As shown, the present invention provides a checker for detecting the depth of the step hole, the checker is used to detect the depth of the step hole 12 on the bottom plate 11 of the workpiece 10 to be tested, the checker includes a depth rod 20 and Threaded rod 21, the depth rod 20 is inserted into the step hole 12, and the threaded rod 21 is threaded with a limit nut 30, and the limit nut 30 is inserted into the step hole 12 after the depth rod 20 is fully inserted. Clinging to the upper surface of the bottom plate 11. When using the inspection tool of this technical solution, first mark the standard depth of the step hole 12 on the threaded rod 21, then insert the depth rod 20 into the step hole 12, gradually tighten the limit nut 30 downwards and cling to it. On the upper surface of the bottom plate 11, after pulling out the inspection tool at this time, compare the depth of the step hole 12 actually measured by the limit nut 30 with the mark made...

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Abstract

The invention relates to a gauge for detecting step hole depth, belonging to the technical field of detection devices. The gauge is used for detecting the depth of the step hole on the floor of a workpiece to be tested, the gauge includes a depth rod and a threaded rod, the depth rod is cooperatively inserted into the step hole, the treaded hole is threadedly connected with a limit nut, and the limit nut is tightly attached to the upper surface of a bottom plate after the depth rod is completely inserted into the step hole. When the gauge is used, the depth of the step hole actually measured by the limit nut is compared with the standard depth, the cycle number of the limit nut screwing to the marked part is recorded, because the screwing cycle of the limit nut in the unit length is fixed, the deviation between the actual depth of the step hole and the standard depth can be obtained, so that the aim of the depth measurement is achieved. The gauge has useful technical effects and significant practical values.

Description

technical field [0001] The invention relates to a checking tool, in particular to a checking tool for detecting the depth of a stepped hole, and belongs to the technical field of testing devices. Background technique [0002] Inspection tools are simple tools used by industrial production enterprises to control various dimensions of products (such as aperture, space dimensions, etc.), improve production efficiency and control quality, and are suitable for mass-produced products, such as auto parts, to replace professional measuring tools , such as smooth plug gauges, threaded plug gauges, outer diameter snap gauges, etc. E.g figure 1 In the shown workpiece 10 to be measured, a stepped hole 12 is opened on the bottom plate 11, and the depth of the stepped hole 12 is usually measured by a depth gauge with a vernier caliper. , leading to large measurement deviations. Contents of the invention [0003] In order to solve the problems existing in the prior art, the present in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/18
CPCG01B5/18
Inventor 汪大新崔明胜徐琤琤
Owner ANHUI HELI CO LTD