Quick-fit hydraulic or hydrodynamic coupling for pressurised fluids

A technology for pressurizing fluids, couplers, applied in connections with fluid cut-off devices, valve operation/release devices, couplings, etc., to solve problems such as unavoidable risks
CN105378363AActive Publication Date: 2016-03-02ALFAGOMMA
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ALFAGOMMA
Publication Date
2016-03-02

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Abstract

The quick-fit coupling (1) for pressurised fluid comprises a valve body (3) extending along a longitudinal axis (L) and having an axial cavity (4) wherein a shutter stem (5) is axially movable with respect to the valve body in contrast to and by action of at least one elastic element (6) between a position for opening and a position for closing an axial passage of fluid through said cavity (4), the stem (5) being configured so as to be subjected by the fluid present in the cavity (4) to a resultant force having a substantially null component at least in an axial direction.
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Description

technical field

[0001] The present invention relates to a quick-fit hydraulic or hydrodynamic coupling for pressurized fluid that can be used in agricultural and industrial applications. More specifically, the present invention relates to a quick-fit coupling comprising a valve body having an axial cavity, the shutter rod being extended and pressurized so as to be applied in the axial direction for opening fluid passing through said cavity. Relative movement between the position of the passage and the position of the axial passage for closing fluid through the cavity with respect to the valve body. Background technique

[0002] The quick-fit coupler can be male or female respectively, and it can be engaged with the female coupler or the male coupler respectively, and its reciprocating motion locking is usually realized by the ring nut with the female coupler of.

[0003] In the disconnected state, the coupler normally has a shutter in a position for closing the passage, wh...

Claims

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