Disclosed is a comprehensive thread checking fixture, includes a no-go end, a handle, a measuring column, a measuring sleeve and a jackscrew. The checking fixture not only can be used for detecting the size of the detected threads, but also can be used for detecting the depth of the detected threads
Disclosed is a comprehensive thread checking fixture, includes a no-go end, a handle, a measuring column, a measuring sleeve and a jackscrew. The checking fixture not only can be used for detecting the size of the detected threads, but also can be used for detecting the depth of the detected threads, and has the characteristics of simple structure, high detection precision, strong compatibility, low manufacturing cost and the like at the same time.
대표청구항▼
1. A comprehensive thread checking fixture, comprising a no-go end, a handle, a measuring column, a measuring sleeve and a jackscrew, the no-go end comprises a thread no-go gauge, a transition rod and a connecting rod II, the left side of the thread no-go gauge is connected with the transition rod,
1. A comprehensive thread checking fixture, comprising a no-go end, a handle, a measuring column, a measuring sleeve and a jackscrew, the no-go end comprises a thread no-go gauge, a transition rod and a connecting rod II, the left side of the thread no-go gauge is connected with the transition rod, the left side of the transition rod is connected with the connecting rod II, and the thread no-go gauge, the transition rod and the connecting rod II form a whole;the measuring column comprises a connecting rod I, a scale bar, an open slot and a thread go gauge, wherein the left side of the connecting rod I is connected with the right side of the scale bar, the open slot is formed in the scale bar, and the right side of the thread go gauge is connected with the left side of the scale bar; the connecting rod I, the scale bar, the open slot and the thread go gauge form a whole;the measuring sleeve comprises a bottom surface, a sleeve, an end face, a sliding sleeve and a top surface, wherein the bottom surface is located on the left side of the sleeve, the end face is located on the right side of the sleeve, and the sliding sleeve is arranged between the end face and the top surface; an opening having the depth of 6 mm and the angle of 90 degrees is formed from the top surface to the left side; the bottom surface, the sleeve, the end face, the sliding sleeve and the top surface form a whole;the sliding sleeve is matched with the scale bar, and the matched clearances is 0.005 mm; the jackscrew is mounted on the measuring sleeve, and the top of the jackscrew is matched with the open slot; when the right side of the thread go gauge is attached to the end face, the height difference between the left end face of the thread go gauge and the bottom surface is ½ pitch, and the top surface of the measuring sleeve is superposed with the scale 0 on the scale bar; the scale line on the scale bar is put within the range of the 90-degree opening in the measuring sleeve; the connecting rod I is connected with the left side of the handle; and the connecting rod II is connected with the right side of the handle.
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