JPH0252110U

JPH0252110U -

Info

Publication number: JPH0252110U
Application number: JP13245888U
Authority: JP
Priority date: 1988-10-11
Filing date: 1988-10-11
Publication date: 1990-04-13

Description

[Brief explanation of drawings]

第１図は被検機に本考案を適用した図、第２図
は本考案の１実施例の断面図、第３図は本考案を
横から見た図、第４図は軸とピンの関係を示した
図、第５図は従来の超音波伝播図、第６図は理想
的な超音波伝播図であり、１は被検機、２は固定
部、３は軸、４はシユー部、５はピン、６はプロ
ーブ、７は軸である。図中、同一又は、相当部分
には同一符号が付してある。 Figure 1 is a diagram of the invention applied to a test machine, Figure 2 is a sectional view of one embodiment of the invention, Figure 3 is a side view of the invention, and Figure 4 is a diagram of the shaft and pin. Diagrams showing the relationship, Figure 5 is a conventional ultrasound propagation diagram, and Figure 6 is an ideal ultrasound propagation diagram, where 1 is the device under test, 2 is the fixed part, 3 is the shaft, and 4 is the shoe part. , 5 is a pin, 6 is a probe, and 7 is a shaft. In the figures, the same or corresponding parts are given the same reference numerals.

Claims

[Scope of utility model registration request]

In the head part of an ultrasonic thickness gauge that measures the thickness of a board, etc., there is a fixed part, a first shaft to which the fixed part and the shoe part are rotatably attached, a shoe part, and a probe that protrudes from the fixed part. A second shaft that is rotatably attached, a probe, and a second shaft that is installed between the probe and the shoe and whose axis center is different from that of the first shaft, exits the shoe section, enters the probe, and enters the shoe section. An ultrasonic thickness gage head characterized by comprising a pin that moves in a groove cut in the probe according to the movement.