JPS61123909U

JPS61123909U -

Info

Publication number: JPS61123909U
Application number: JP697285U
Authority: JP
Priority date: 1985-01-22
Filing date: 1985-01-22
Publication date: 1986-08-04

Description

[Brief explanation of the drawing]

第１図は本考案の実施例である同心度測定装置
の斜視図、第２図は第１図における断面図、第３
図は本考案の他の実施例である同心度測定装置の
断面図、第４図は従来の同心度測定装置の断面図
を示す。１，１ａ……測微器、２，２ａ，２ｂ……固定
治具、３，３ａ……主軸、４……押し開き片、５
……固定片、６，６ａ……測定子、７……ばね、
８……溝部、１２……被測定物、１３……テーパ
部、１４，１４ａ……ストツパ、１５，１５ａ…
…連結棒、１９ａないし１９ｈ……穴部。 Fig. 1 is a perspective view of a concentricity measuring device which is an embodiment of the present invention, Fig. 2 is a sectional view of Fig. 1, and Fig. 3 is a sectional view of Fig. 1.
The figure shows a sectional view of a concentricity measuring device according to another embodiment of the present invention, and FIG. 4 shows a sectional view of a conventional concentricity measuring device. 1, 1a... Micrometer, 2, 2a, 2b... Fixing jig, 3, 3a... Main shaft, 4... Push-open piece, 5
... Fixed piece, 6, 6a ... Measuring head, 7 ... Spring,
8...Groove portion, 12...Measurement object, 13...Tapered portion, 14, 14a...Stopper, 15, 15a...
...Connection rod, 19a to 19h...hole.

Claims

[Claims for Utility Model Registration] (1) In a device for measuring the concentricity of a hole in a workpiece, in which at least two holes of different diameters are arranged concentrically and overlapped, A push-open piece is fitted, a connecting rod is inserted into the main shaft, the connecting rod inserted into the main shaft and the push-open piece are connected, and the push-open piece slides in the axial direction of the main shaft. A fixed piece divided into a predetermined number is arranged around the outer circumference of the push-open piece, a spring is wound around the outer circumference of the fixed piece, and a stopper is connected to the tip of the main shaft to make contact with the fixed piece. , a concentric hole of different diameters, wherein a fixing jig with a micrometer installed is rotatably attached to the other end of the main shaft, and the fixed piece opens and closes by relative movement of the connecting rod and the main shaft. concentricity measuring device. (2) Utility model registration In the measuring device according to claim 1, the main shaft has a predetermined length, a stopper is fitted into the main shaft, and a first stopper is fitted to one end of the main shaft.
A first fixture with a micrometer installed thereon is rotatably attached, and a second fixture with a second micrometer installed at the other end is rotatably attached. Concentricity measuring device for concentric holes of different diameters.