Vacuum degree testing device
The utility model discloses a vacuum degree testing device which comprises a testing main frame, a positioning auxiliary mechanism and a built-in detection mechanism, the positioning auxiliary mechanism is arranged in the middle of the testing main frame, and the built-in detection mechanism is arra...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a vacuum degree testing device which comprises a testing main frame, a positioning auxiliary mechanism and a built-in detection mechanism, the positioning auxiliary mechanism is arranged in the middle of the testing main frame, and the built-in detection mechanism is arranged in the top end of the testing main frame. The positioning auxiliary mechanism comprises a base, a threaded seat, a vacuum switch tube, a clamping top seat and a turntable seat, the threaded seat is arranged in the middle of the top end of the base, the vacuum switch tube is arranged in the middle of the top end of the threaded seat, the clamping top seat is arranged at the top end of the vacuum switch tube, and the turntable seat is arranged at the top end of the clamping top seat. According to the vacuum degree testing device, the lifting height of the top frame is adjusted, the clamping top seat at the bottom end of the top frame is buckled with the vacuum switch tube to complete positioning placement, the s |
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