Suspension sealing device capable of preventing slip from rebounding
The suspension sealing device comprises a cone, a slip body and a lower connector, the upper end of the cone is large, the lower end of the cone is small, the lower end of the cone is sleeved with an extension sealing assembly, an annular base is arranged between the slip body and the lower connecto...
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| creator | HAN QIANLONG WANG YONG LIN JIUQIONG SHI YARU |
| description | The suspension sealing device comprises a cone, a slip body and a lower connector, the upper end of the cone is large, the lower end of the cone is small, the lower end of the cone is sleeved with an extension sealing assembly, an annular base is arranged between the slip body and the lower connector, the upper end and the lower end of the annular base are connected with the slip body and the lower connector respectively, and internal threads are arranged on the inner wall, close to the lower end, of the cone. A lock spring is arranged in the slip body, external threads are arranged on the outer wall of the lock spring, one end of the lock spring extends into the cone to be matched with the internal threads, the other end of the lock spring is bent outwards to form a turned edge, and a rectangular notch penetrating through the two ends of the lock spring is further vertically formed in the side wall of the lock spring. According to the utility model, the defects that the slip body has no self-locking capabili |
| format | Patent |
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A lock spring is arranged in the slip body, external threads are arranged on the outer wall of the lock spring, one end of the lock spring extends into the cone to be matched with the internal threads, the other end of the lock spring is bent outwards to form a turned edge, and a rectangular notch penetrating through the two ends of the lock spring is further vertically formed in the side wall of the lock spring. 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A lock spring is arranged in the slip body, external threads are arranged on the outer wall of the lock spring, one end of the lock spring extends into the cone to be matched with the internal threads, the other end of the lock spring is bent outwards to form a turned edge, and a rectangular notch penetrating through the two ends of the lock spring is further vertically formed in the side wall of the lock spring. 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A lock spring is arranged in the slip body, external threads are arranged on the outer wall of the lock spring, one end of the lock spring extends into the cone to be matched with the internal threads, the other end of the lock spring is bent outwards to form a turned edge, and a rectangular notch penetrating through the two ends of the lock spring is further vertically formed in the side wall of the lock spring. According to the utility model, the defects that the slip body has no self-locking capabili</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 | Suspension sealing device capable of preventing slip from rebounding |
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