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Quick-fit hydraulic or hydrodynamic couplings for pressurized fluids

A pressurized fluid, quick-fit technology, applied in the connection with fluid cut-off device, valve operation/release device, coupling, etc., can solve the problems that cannot be free from risks

Active Publication Date: 2018-08-07
ALFAGOMMA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the operation is not exempt from risk due to concerns for the safety of the operators and it generates fluid waste which in turn must be recycled and disposed of
[0007] This operation also entails the risk of air being trapped in the fluid

Method used

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  • Quick-fit hydraulic or hydrodynamic couplings for pressurized fluids
  • Quick-fit hydraulic or hydrodynamic couplings for pressurized fluids
  • Quick-fit hydraulic or hydrodynamic couplings for pressurized fluids

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] Referring to the figures cited above, there is shown a quick-fit hydraulic or hydraulic quick-fit male coupler 1 and a quick-fit hydraulic or hydrodynamic female coupler 2 .

[0024] The quick-fit male coupling 1 comprises: a valve body 3 extending along a longitudinal axis L and having a cavity 4 extending axially over the entire length of the valve body; Coaxially positioned in the cavity 4 and capable of opening the fluid passage through the cavity 4 opposite to and by means of the action of at least one elastic element 6 with respect to the valve body 3 along the axis L Between the position of the axial passage and the position for closing the axial passage of fluid through the cavity 4 .

[0025] In the position for closing the passage, the head end of the shutter rod 5 and the head end of the valve body 3 are in hydraulic-tight contact along the periphery via the seal 21 .

[0026] In a position where the passage is opened by the effect of the relative movement b...

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PUM

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Abstract

A quick coupling (1) for pressurized fluid comprises a valve body (3) extending along a longitudinal axis (L) and having an axial cavity (4) in which a The closer rod (5) is capable of opening the fluid through said cavity (4) in the axial direction opposite to and by means of the action of at least one elastic element (6) relative to the valve body. Moved axially between the position of the channel and the position for closing the axial channel, the rod (5) is configured to be subjected to a force having substantially zero component at least in the axial direction due to the fluid present in the cavity (4). work together.

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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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L37/34
CPCF16L37/56F16L37/18F16L37/34F16K31/12F16L19/0206F16L21/08F16L29/007
Inventor E·吉纳索S·马佐里R·铎艾
Owner ALFAGOMMA
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