Device for rapidly measuring inner diameter of building pipe fitting
A measuring device and technology of inner diameter, which is applied in the direction of mechanical diameter measurement, etc., can solve the problems of unintuitive reading, inconvenient operation, high purchase price of inner diameter micrometer, etc., and achieve the effect of good observation angle and increased difficulty of reading
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[0020] like figure 1 and figure 2 As shown, this embodiment includes two fixed cylinders 5 whose middle parts are hinged to each other, a limit cylinder 8 is installed in the fixed cylinder 5, and mutually cooperating limit blocks are fixed on the outer walls of the two limit cylinders 8 12. A steel ball 10 is rotated at the bottom of the limiting cylinder 8, and the steel ball 10 partially protrudes from the bottom end of the fixed cylinder 5, and a spring 9 is installed in the fixed cylinder 5, which also includes a The frustum-shaped moving block 6 connected to the movable end of 9 and the fixed seat 2, the moving block 6 is connected with the fixed seat 2 through the scale 4, and a plurality of protrusions 7 are arranged on the outer wall of the moving block 6, and the fixed The inner wall of the barrel 5 is provided with a plurality of grooves matching with the protrusions 7 , and the ball 1 is rotatably arranged on the upper surface of the fixing seat 2 .
[0021] Whe...
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