CONNECTION DEVICE WITH VALVES Russian patent published in 2012 - IPC F16L37/12 

FIELD: machine building.

SUBSTANCE: valve device comprises a male and a female connecting elements made as capable of connection by insertion of the male element into a seat of the female element. A channel for a fluid flow in the specified female element has an opening made in the seat, which opens and closes with the help of the first closing element moving in the specified seat. A channel for a fluid medium in the specified male element has an opening made in an insert, which opens and closes with the help of the second closing element. In the connected condition the fluid medium goes between two specified channels. The female element comprises the first frame. As the insert is introduced into the seat, the specified first frame attaches the first closing element to the insert as capable of detachment, so that the specified frame perceives action of any disconnecting forces, occurrence of which is specified by the pressure of the fluid medium in the specified channels.

EFFECT: invention improves reliability of valve devices.

18 cl, 22 dwg