JPS5819209U - Hole position measuring device - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案の実施態様を例示し、第１図は一実施例を
示す一部を切開した側面図、第２図は測定具の変形例を
示す要部縦断面図、第３図は作動説明図である。 １・・・・・・治具台、Ｗ・・・・・・ワーク（被測定
物）、Ｗａ・・・・・・加工孔（被測定孔）、２・・・
・・・測定具支持台、３・・・・・・基準孔、４・・・
・・・測定具、５・・・・・・軸状本体、６−−−−−
−エアマイクロメータ本体、５ａ−−−−−−エア導管
、７・・・・・・直径方向孔、８，８′・・・・・・測
定子、８ａ、８’　ａ・・・・・・斜面、９．９′・・
・・・・軸方向孔、１０．１０’・・・・・・ブツシュ
ロッド、１０ａ、１０′ａ・・・・・・テーパ部、１４
・・・・・・エア通路。The drawings illustrate embodiments of the present invention, with FIG. 1 being a partially cutaway side view showing one embodiment, FIG. It is an explanatory diagram. 1... Jig stand, W... Work (object to be measured), Wa... Machining hole (hole to be measured), 2...
...Measuring tool support stand, 3...Reference hole, 4...
...Measuring tool, 5...Shaft-shaped body, 6------
-Air micrometer body, 5a---Air conduit, 7... Diameter hole, 8, 8'... Measuring point, 8a, 8' a...・Slope, 9.9'...
...Axial hole, 10.10'... Bush rod, 10a, 10'a... Taper part, 14
...Air passage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被測定物を位置決めして載置する治具台と、該治具台上
に設けられ基準孔が形成された測定具支持台と、該支持
台の基準孔に回転自在に挿入され先端が上記被測定物の
孔に嵌挿される測定具とからなり、上記測定具は、上記
支持台の基準孔に回転自在に嵌合する軸状本体と、該軸
状本体にエア導管を介して接続されたエアマイクロメー
タ本体と、上記軸状本体の前部に形成した直径方向の孔
に摺動自在に配置され、互いに対向する端面が斜面に形
成された一対の測定子と、先端に上記両測定子の斜面に
摺接するテーパ部を有し、上記軸状本体の直径方向孔に
開口した軸方向の孔に上記測定子の移動方向と同方向に
移動可能に配置され、かつスプリングにより両測定子を
互いに離反せしめる方向に付勢されたブツシュロッドと
、一端が上記エアマイクロメータ本体からのエア導管に
連通し、他端が上記軸状本体の軸方向孔に対して上記軸
状本体の直径方向孔と同じ向きで開口したエア通路とで
構成されていることを特徴とする孔位置測定装置。A jig stand for positioning and placing the object to be measured; a measuring tool support stand provided on the jig stand and having a reference hole formed therein; The measuring tool is comprised of a measuring tool that is inserted into a hole in the object to be measured, and the measuring tool is connected to a shaft-like body that is rotatably fitted into the reference hole of the support base, and to the shaft-like main body via an air conduit. an air micrometer body, a pair of probes slidably arranged in a diametrical hole formed in the front part of the shaft-like body, and having mutually opposing end surfaces formed with slopes; It has a tapered part that slides into contact with the slope of the probe, and is disposed so as to be movable in the same direction as the moving direction of the probe in an axial hole opened in the diametrical hole of the shaft-like body, and both probes are moved by a spring. a bushing rod that is biased in a direction to separate the bushing rods from each other, one end of which communicates with the air conduit from the air micrometer body, and the other end of which connects the bushing rod to the diametrical hole of the shaft-like body with respect to the axial hole of the shaft-like body. and an air passage opened in the same direction.