JPH03109102U

JPH03109102U -

Info

Publication number: JPH03109102U
Application number: JP1738290U
Authority: JP
Priority date: 1990-02-26
Filing date: 1990-02-26
Publication date: 1991-11-08

Description

[Brief explanation of drawings]

第１図は、本考案装置の一部切欠正面図、第２
図は、同じく平面図、第３図は、従来装置の一部
切欠正面図、第４図は、同じく側面図である。１……基板、３……支腕、３ａ……水平部、１
０……プランジヤ（ワーク）、１１……仕切板、
１２……テーパ孔、１４……検定筒、１５……載
置筒、１５ａ……底板、１６……案内筒、１７…
…位置決め突起、１８……昇降杆、１８ａ……半
球部、１８ｂ……フランジ、１９……圧縮コイル
ばね（付勢手段）、２０……横型ダイヤルゲージ
、２１……測定子。 Figure 1 is a partially cutaway front view of the device of the present invention;
These figures are a plan view, FIG. 3 is a partially cutaway front view of the conventional device, and FIG. 4 is a side view. 1... Board, 3... Support arm, 3a... Horizontal part, 1
0... Plunger (work), 11... Partition plate,
12... Taper hole, 14... Verification tube, 15... Placement tube, 15a... Bottom plate, 16... Guide tube, 17...
. . . Positioning protrusion, 18 .

Claims

[Scope of utility model registration request]

This is a device for verifying the accuracy of a taper hole in a workpiece in which a tapered hole is bored in a partition plate that partitions the inside of a cylinder in the axial direction. A downward bottomed cylindrical workpiece mounting tube having a workpiece positioning protrusion on the upper surface and a guide tube fitted in the lower part is fitted into the horizontal part, and the workpiece placement tube has a hemispherical portion at the upper end. , an elevating rod that is biased upward by an appropriate biasing means is provided so as to be slidable up and down, with the upper limit being a position slightly protruding from the positioning protrusion; An accuracy verification device for a tapered hole for a check valve in a cylindrical workpiece, characterized in that a dial gauge is provided that can come into contact with the lower end.