Wrapping type self-locking elastic sealing ring for flow type pipe
The utility model discloses a wrapped self-locking elastic sealing ring for a flow type pipe, which comprises the flow type pipe and a sealing mechanism, the sealing mechanism comprises an outer sealing shell, the top surface of the outer sealing shell protrudes to form a sampling needle connecting...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a wrapped self-locking elastic sealing ring for a flow type pipe, which comprises the flow type pipe and a sealing mechanism, the sealing mechanism comprises an outer sealing shell, the top surface of the outer sealing shell protrudes to form a sampling needle connecting port, the inner side of the outer sealing shell protrudes to form an inner sealing plug, a sealing air bag is welded to the surface of the inner side of the outer sealing shell in a surrounding mode, an air inlet hole channel is formed in one side of the top end of the outer sealing shell, and an air outlet hole channel is formed in the other side of the top end of the outer sealing shell. An air inlet duct is formed in one side of the top end of the outer sealing shell, an air outlet duct is formed in the other side of the top end of the outer sealing shell, the air inlet duct and the air outlet duct are both communicated with the interior of the sealing air bag, an air inlet pipeline protrudes around the peripher |
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