Go-no-go rule

A technology of pass-stop gauge and pass-through end, applied in the field of inspection tools, can solve the problem of inconvenient operation of the pass-stop gauge, and achieve the effects of material saving, convenient operation and convenient use.

Inactive Publication Date: 2018-08-24
SHAANXI TECHN INST OF DEFENSE IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention aims to solve the technical problem that the existing go-no-go gauge is inconvenient to operate when inspecting the groove width

Method used

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Examples

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Embodiment Construction

[0028] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0029] In the description of the present invention, it should be noted that unless otherwise specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; directly or indirectly through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

[0030] combine figure 1 and figure 2 As shown, a go-no-go gauge provided by an embodiment of the present invention includes a cylindrical profile body as a whole, and first grooves are sequentially formed from one ...

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PUM

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Abstract

The invention, which relates to the testing fixture field, provides a go-no go gauge comprising a cylindrical section bar body. A first groove go end, a first groove no-go end, and a handle are formed successively from one end to the other end of the section bar body relative to a first radial direction of the section bar body; and a second groove go end and a second groove no-go end are formed successively at the A first groove go end and the first groove no-go end relative to a second radial direction of the section bar body. The two opposite side surfaces of the first groove go end and the two opposite side surfaces of the second groove go end are connected by an arc surface to form a circular hole go end; and the two opposite side surfaces of the first groove no-go end and the two opposite side surfaces of the second groove no-go end are connected by an arc surface form a circular hole no-go end. Therefore, an effect of one gauge with three purposes is realized and the go-no go gauge can be used conveniently. When the go-no go gauge is used for checking, head turning is avoided; the operation becomes convenient; the time is saved; the cost of the cylindrical section bar material is low and processing becomes convenient.

Description

technical field [0001] The invention relates to the field of inspection tools, in particular to a go-no-go gauge. Background technique [0002] Such as image 3 and Figure 4 As shown, the go-no-go gauge is a checking tool used to check whether the width of the groove or the diameter of the round hole meets the requirements, also known as the plug gauge. It generally includes a through end a, a stop end b and a handle 4 connected between the two. Taking the go-no-go gauge used to inspect grooves as an example, the thickness of the through end a is set to the minimum qualified width of the groove to be inspected, and the thickness of the stop end b is set to the maximum qualified width of the groove to be inspected. [0003] During the inspection, hold the handle 4 and first try to insert the through end a into the groove to be tested. If the through end a cannot be inserted, it means that the groove to be tested is too narrow and does not meet the design requirements; if t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/02G01B5/08
CPCG01B5/046G01B5/08
Inventor 郭峰
Owner SHAANXI TECHN INST OF DEFENSE IND
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