Safety valve device

摘要

A safety valve device for a milking installation for milking milk-producing animals having a first valve with a first port and with a first port connector, a second valve with a second port and with a second port connector, a third valve with a third port and a third port connector, a drive, a common actuator, and at least one valve spring, and arranged so that the first port connector of the first valve is in fluid communication with the second port connector of the second valve, and the safety valve device can be moved between a first switching position, in which the first valve and the second valve are closed in order to block the first port and the second port and the third valve, is open a transition position, in which the first valve, the second valve and the third valve are closed, and a second switching position, in which the first valve and the second valve are open to connect the first port to the second port and the third valve is closed to block the third port.

主权项

1. A safety valve device for a milking installation for milking milk-producing animals, the safety valve comprising:
a first valve; a second valve; a third valve; and a common actuator that moves the safety valve device between: a first switching position, in which the first valve and the second valve are closed, and the third valve is open; a transition position, in which the first valve, the second valve, and the third valve are closed; and a second switching position, in which the first valve and the second valve are open and the first valve is in fluid communication with the second valve and the third valve is closed, wherein the common actuator comprises: an actuation body joined to a first actuation element and operatively engaged with a second actuation element, and the actuation body is joined to the first actuation arm, a second actuation arm, and a third actuation arm, wherein each of the actuation arms is operatively engaged with a respective valve.