Spiral packing pressing sleeve
The invention provides a spiral packing pressing sleeve which comprises a packing pressing sleeve body and a packing pressing ring embedded in the bottom of the packing pressing sleeve body, the bottom of the packing pressing ring is provided with a sealing face, and the packing pressing sleeve body...
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The invention provides a spiral packing pressing sleeve which comprises a packing pressing sleeve body and a packing pressing ring embedded in the bottom of the packing pressing sleeve body, the bottom of the packing pressing ring is provided with a sealing face, and the packing pressing sleeve body and the packing pressing ring can rotate relatively. The packing pressing ring is additionally arranged between the packing and the packing pressing sleeve, the packing pressing sleeve and the packing pressing ring are connected into a whole in a cold charging mode through size control, and the whole can ensure that no relative motion exists between the packing and the packing pressing ring when the packing is pressed; the packing pressing sleeve and the packing pressing ring can rotate freely relative to each other, the structure can effectively protect the packing, improve the sealing reliability and reduce the packing pre-tightening torque, in addition, when the packing pressing sleeve is dismounted, the packin |
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