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Inner diameter determination device

A technology for judging the inner diameter of devices, applied to measuring devices, instruments, etc., which can solve the problems of complicated devices and high prices

Inactive Publication Date: 2016-12-07
HONDA MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the inner gauge is inserted into a very small hollow hole with an inner diameter of about several mm, it is necessary to control the inner gauge with extremely high precision. As a result, the device becomes complicated and expensive.

Method used

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  • Inner diameter determination device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0046] Hereinafter, embodiments of the inner diameter determination device of the present invention will be described with reference to the accompanying drawings.

[0047] 【Example】

[0048] figure 1 is a plan view of the inner diameter determination device of this embodiment, figure 2 It is a front view of the inner diameter determination device.

[0049] exist figure 1 and figure 2 In the figure, reference numeral 10 denotes an inner diameter determination device (hereinafter referred to as "device"). The apparatus 10 is an apparatus for judging whether the inner diameter of the pipe (hollow member) 12 is within a predetermined appropriate range, and includes a taper gauge (inner diameter inspection member) 14 having a tapered portion 14a formed so as to be inserted into the pipe 12; a taper gauge A support portion 16 for supporting the taper gauge 14 so as to be movable along the longitudinal direction of the pipe 12; The movement amount is detected; and the controlle...

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Abstract

The invention aims to provide an inner diameter determination device capable of easily determining an inner diameter of a hollow member with a simple configuration. An inner diameter determination device 10 which determines whether or not an inner diameter of a hollow member 12 is within a predetermined allowable range comprises: an inner diameter inspection member 14 provided with a tapered section 14a which can be inserted into the hollow member 12; an inner diameter inspection member supporting section 16 which supports the inner diameter inspection member 14 in a manner that allows the same to move in a longitudinal direction of the hollow member 12; inner diameter inspection member displacement detection means 18 which detects a displacement of the inner diameter inspection member 14 when the tapered section 14a is inserted into the hollow member 12; and inner diameter determination means 20 which determines whether or not the inner diameter of the hollow member 12 is within the predetermined allowable range on the basis of the detected displacement of the inner diameter inspection member 14.

Description

technical field [0001] The present invention relates to an inner diameter determination device, and more particularly, to an inner diameter determination device that determines whether or not the inner diameter of a hollow member such as a pipe is within a predetermined appropriate range. Background technique [0002] As an apparatus for measuring the inner diameter of a hollow member such as a pipe, a so-called taper gauge is known. The taper gauge includes a taper portion for measuring the inner diameter of the hollow member at the distal end portion. [0003] Moreover, as an apparatus which inspects the inner diameter of a hollow member, the technique described in the following patent document 1 can be mentioned, for example. In the technique described in Patent Document 1, a needle-shaped inner diameter gauge is inserted into an extremely small hollow hole formed in a hollow member, and the acceptance or failure of the inner diameter dimension is determined by the inser...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/14
Inventor 内梨善夫
Owner HONDA MOTOR CO LTD