| 摘要 |
The invention concerns a tubular connection piece for a self-closing connecting device, comprising an end ( 3 ) to be connected to a member, externally provided with elements ( 5 ) for axially locking it in a housing of the connecting device, and internally equipped with a valve ( 33 ) mounted sliding relative to a valve seat ( 37 ) between closing and opening positions and a spring ( 40 ) interposed between a inner flange ( 41 ) of the connection piece and the valve to push the valve into its closing position against the valve seat. The invention also concerns a corresponding connection device.
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