Novel suspension sealing device of cone structure
The utility model discloses a novel suspension sealing device with a cone structure, which comprises a cone, a slip body and a lower joint which are sequentially arranged from bottom to top, the outer wall of the lower end of the cone is sleeved with an extension sealing component, the upper end fac...
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| creator | HAN QIANLONG WANG YONG LIN JIUQIONG SHI YARU |
| description | The utility model discloses a novel suspension sealing device with a cone structure, which comprises a cone, a slip body and a lower joint which are sequentially arranged from bottom to top, the outer wall of the lower end of the cone is sleeved with an extension sealing component, the upper end face of the slip body is vertically downward, and the lower end face of the slip body is vertically upward provided with a plurality of notches which do not penetrate through the other end. An annular groove is formed in the portion, close to the upper end, of the outer wall of the cone, the extension sealing assembly is located in the groove and thickened, the side wall, facing the lower end of the cone, of the groove is an inclined transition face, the taper of the transition face is larger than that of the cone, and a plurality of annular first non-return grooves are horizontally formed in the portion, below the groove, of the outer wall of the cone. A plurality of annular second non-return grooves are horizontally |
| format | Patent |
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An annular groove is formed in the portion, close to the upper end, of the outer wall of the cone, the extension sealing assembly is located in the groove and thickened, the side wall, facing the lower end of the cone, of the groove is an inclined transition face, the taper of the transition face is larger than that of the cone, and a plurality of annular first non-return grooves are horizontally formed in the portion, below the groove, of the outer wall of the cone. 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An annular groove is formed in the portion, close to the upper end, of the outer wall of the cone, the extension sealing assembly is located in the groove and thickened, the side wall, facing the lower end of the cone, of the groove is an inclined transition face, the taper of the transition face is larger than that of the cone, and a plurality of annular first non-return grooves are horizontally formed in the portion, below the groove, of the outer wall of the cone. 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An annular groove is formed in the portion, close to the upper end, of the outer wall of the cone, the extension sealing assembly is located in the groove and thickened, the side wall, facing the lower end of the cone, of the groove is an inclined transition face, the taper of the transition face is larger than that of the cone, and a plurality of annular first non-return grooves are horizontally formed in the portion, below the groove, of the outer wall of the cone. A plurality of annular second non-return grooves are horizontally</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS |
| title | Novel suspension sealing device of cone structure |
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