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Quick connecting method for metal hose

A technology of quick connection and metal hose, which is applied in the direction of hose connection devices, pipes/pipe joints/fittings, mechanical equipment, etc., can solve the problems that cannot be disassembled and restored, and cannot be reused, so as to simplify the structure and withstand high pressure , High reliability effect

Inactive Publication Date: 2016-05-11
CHENGDU BAIRUI BUILDING INSTALLATION ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no matter which method is used, it is a one-time use joint, which cannot be disassembled and restored, let alone reused

Method used

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  • Quick connecting method for metal hose
  • Quick connecting method for metal hose
  • Quick connecting method for metal hose

Examples

Experimental program
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Effect test

Embodiment

[0023] Such as Figures 1 to 3 As shown, a quick connection method for a metal hose in the present invention includes a cylindrical nozzle 1, and the nozzle 1 is provided with a stopper 2 protruding from the surface of the nozzle 1 and surrounding the nozzle 1. The nozzle 1 on one side of the head 2 is fitted with an outer nut 3, and the other side is provided with a hose connection. The inner wall of the outer nut 3 is recessed downward to form a groove 4 with a semicircular cross section. On the two adjacent sides of the outer nut 3, the through hole 13 communicates. The axis of the through hole 13 is tangent to the circle where the groove 4 is located. The nozzle 1 is provided with a matching groove 5 corresponding to the groove 4. Connect end to end to form a closed ring, and a steel wire 6 is installed in the space formed by the groove 4 and the matching groove 5; the cross section of the matching groove 5 is based on the radius of the cross section of the groove 4, and a...

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PUM

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Abstract

The invention discloses a quick connecting method for a metal hose. The quick connecting method involves a cylindrical nozzle (1); an outer nut (3) sleeves the side, where a stop (2) is positioned, of the nozzle (1); a groove (4) of which a cross section is semicircular is formed in the inner cavity of the outer nut (3); a fitting groove (5) matched with the groove is formed in the nozzle (1), and a steel wire (6) is mounted in a space defined by the groove (4) and the fitting groove (5). According to the quick connecting method for the metal hose, a plurality of sharp-edge flange and core tube structures are adopted, which can be reasonably deformed under the assistance of a withholding apparatus to achieve excellent tightness; one flange and outer cover structure is adopted such that a stainless steel wire reinforcement layer can be clamped, and therefore, reliable connection can be achieved, and the application of a welding process is avoided; moreover, an annular clamping structure is adopted, in which a steel wire is assembled during assembly, allowing normal use without welding.

Description

technical field [0001] The invention relates to a hose joint, in particular to a quick connection method for metal hoses. Background technique [0002] Metal hose means that the outer layer is wrapped with high-strength stainless steel wire reinforcement layer or covered with metal bellows. The tube core is made of rubber tube, braided tube, PTFE tube, etc., and the tube core and joint are buckled together by crimping equipment and molds. , to realize liquid transmission under high and low temperature, high and low pressure, vibration, pulse, bending fatigue and other conditions. Metal hoses have been widely used in military and civilian fields, and have a good market prospect. Among them, the PTFE wire-reinforced hose has gradually replaced rubber hoses and bellows due to its long service life, small flow resistance, and no slag drop, and has been successfully applied to aviation, aerospace power systems, and hydraulic systems. Ground launch vehicles, transport vehicles, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L33/02
Inventor 罗江
Owner CHENGDU BAIRUI BUILDING INSTALLATION ENG CO LTD
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