Contact type gas feeding/taking device
The utility model relates to a contact type gas feeding/taking device which comprises a gas feeding/taking needle, a gas feeding/taking needle mounting seat, a positioning seat and a limiting sleeve, the gas inlet/taking needle mounting seat and the positioning seat are both in an inverted barrel sh...
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| Hauptverfasser: | , , , , , , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model relates to a contact type gas feeding/taking device which comprises a gas feeding/taking needle, a gas feeding/taking needle mounting seat, a positioning seat and a limiting sleeve, the gas inlet/taking needle mounting seat and the positioning seat are both in an inverted barrel shape, the upper part of the positioning seat is positioned in the gas inlet/taking needle mounting seat, a spring is compressed between the top surfaces of the positioning seat and the gas inlet/taking needle mounting seat, and the limiting sleeve is sleeved at the lower end of the gas inlet/taking needle mounting seat; the gas feeding/taking needle vertically and downwards penetrates through the top surface of the gas feeding/taking needle mounting seat to enter the gas feeding/taking needle mounting seat, and penetrates through a first through hole in the top surface of the positioning seat to enter the positioning seat; a position sensor is mounted on the outer surface of an upper extending plate which extends ou |
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