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Quick coupling and working method thereof

A fast, male plug technology, applied in the direction of mechanical equipment, couplings, etc., can solve the problems of unsatisfactory sealing performance and leakage, and achieve the effect of simple structure, ensuring fast circulation and avoiding leakage

Active Publication Date: 2017-06-20
蒋于良
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The design of the fluid channel is very important. Most of them use simple plugging to form a flow. The flow channel design is simple, but the sealing performance is not ideal, especially when the male plug is inserted into the female plug during the mating process. Due to the need for pressure operation, therefore prone to leaks

Method used

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  • Quick coupling and working method thereof
  • Quick coupling and working method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1 The quick connector of this embodiment includes a plug-fit male plug and a female plug (for the convenience of discussion, when referring to the front end, the components in the male plug refer to the end near the connection between the male plug and the female plug, and the opposite end is the tail end; when referring to the tail end, the parts in the female plug refer to the end near the connection between the male plug and the female plug, and the opposite end is the front end); figure 1 As shown, the male plug includes a male plug first sleeve 11 and a male plug second sleeve 12, and the male plug first sleeve 11 passes through the male plug second sleeve 12 so that the male plug second sleeve 12 A first annular step 19 is formed on the outer wall of the first sleeve 11 of the male plug; and a fifth annular groove is arranged on the inner wall of the second sleeve 12 of the male plug, and a fifth O-ring is arranged in the fifth annular groove 35, used f...

Embodiment 2

[0035] The working method of quick coupling as described in embodiment 1, comprises the steps:

[0036] A. When the male plug is in the initial state, the first spring 14 supports the first valve core 4 to reach the front end of the first sleeve 11 of the male plug, and the annular side wall of the first sealing disc 41 is in contact with the first sleeve 11 of the male plug. An annular sealing part 18 is sealed and fit through the first O-ring 31, so that the male plug is in a closed state; when the female plug is in the initial state, the second spring 24 supports the second valve core 5 to reach the front end of the first sleeve 21 of the female plug , the outer wall of the second spool 5 sealably fits with the second annular sealing portion 27 of the first sleeve 21 of the female plug through the second O-ring 32 and the third O-ring 33 , and the third of the second spool 5 The annular sealing portion 55 is sealingly matched with the annular side wall of the second sealing...

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Abstract

The invention relates to a quick coupling and a working method thereof. The quick coupling comprises a male connector and a female connector which are in plugging fit; a movable first valve core and a movable second valve core are used in the male connector and the female connector to be in seal fit with circular seal parts of sleeves, and the structure is simple; through arrangement of a spring sleeve, in the plugging process of the male connector, after the second valve core is separated from a second seal disk, a first sleeve of the female connector cannot be connected with a first sleeve of the male connector immediately, so that connection can be realized after the first sleeve of the male connector enters the first sleeve of the female connector and the outer wall of the first sleeve of the male connector and a second circular seal part form a seal, the pressure required to be borne by the first sleeve of the male connector in the initial plugged state is effectively reduced, and leakage is avoided.

Description

technical field [0001] The invention relates to the technical field of pipeline auxiliary equipment, in particular to a quick connector and a working method thereof. Background technique [0002] Quick connectors include hydraulic quick connectors and various fluid quick connectors. It is a connection device that quickly connects or disconnects pipelines and realizes quick disassembly. The quick connector consists of two parts, a male plug and a female plug. The male plug and the female plug are each equivalent to a one-way valve with a spool inside. When not inserted, the one-way valve is closed under the action of the spring force. The female plugs are independently sealed; after the male plug is inserted into the female plug, the spring is compressed, and the spools of the male plug and the female plug are pushed open at the same time, the two pipelines are connected, and the fluid can flow. [0003] Because the quick connector has a two-way check function and the pipeli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L37/36
CPCF16L37/36
Inventor 蒋于良李中和杜振
Owner 蒋于良
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