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Plug-in connection for pipe and hose lines with a reinforced material cross-section

A plug connection, cross-section technology, applied in the direction of hose connection device, pipe/pipe joint/pipe fitting, coupling, etc., to achieve the effect of superior strength and high tightening force

Inactive Publication Date: 2006-11-22
HENN GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, when high disengagement forces act on the plug connection, there is the danger that the latch spring passage on the plug side breaks in the area of ​​the jacket, so that there is a risk of the plug connection being unlocked

Method used

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  • Plug-in connection for pipe and hose lines with a reinforced material cross-section
  • Plug-in connection for pipe and hose lines with a reinforced material cross-section
  • Plug-in connection for pipe and hose lines with a reinforced material cross-section

Examples

Experimental program
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Effect test

Embodiment Construction

[0025] according to figure 1 A socket 1 , for example made of metal or plastic material, is inserted into a plug 7 and latched there.

[0026] The connecting piece 1 essentially consists of a cylindrical sleeve, on the outer circumference of which a locking shoulder 2 is formed. The latching shoulder 2 forms a front bevel 3 in the direction of the plug, which transitions to the rear into a latching surface 4 .

[0027] The latching with the plug 7 is effected in that the plug 7 is connected to an approximately U-shaped latching spring 9 which overall forms three different latching locations.

[0028] Two mutually opposite latches are formed by the latching arms 10 of the U-shaped latching spring 9 arranged parallel to one another.

[0029] The locking arms 10 of the locking spring 9 engage through mutually parallel locking spring passage holes 8 on the plug connector 7 . On the free front ends of the detent arms 10 , outwardly bent spring ends 11 are formed in each case.

...

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Abstract

The invention relates to a plug-in connection for pipe and hose lines with a reinforced material cross-section. Said connection consists of a neck that forms at least one detent collar and a connector that can be engaged with the neck and has at least one detent spring with detent limbs, the latter locking behind at least one of the detent collars of the neck. In order for the connector to absorb intense detent forces, it is characterised by at least a double wall in the vicinity of the detent spring openings.

Description

technical field [0001] The invention relates to a plug connection for pipes and hoses with a reinforced material cross-section according to the preamble of claim 1 . Background technique [0002] Such a plug connection is known, for example, from EP 0 750 152 B1 of the same applicant. The entire content of this document should be included in the disclosure content of the present invention. [0003] In this known plug connection, the plug is formed by an inner sleeve and an outer sleeve oriented parallel thereto, the sleeves being connected to one another in the region of the sealing ring. A receiving chamber for inserting a hose is formed between the two sleeves. In this known embodiment, the plug is already double-walled in the region of the sealing ring. [0004] It has now been found that the plug-in connection needs to absorb relatively high plug-in forces and must absorb axial tensile forces, especially in the region of the latching spring and the latching shoulder o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L37/088
CPCF16L33/227F16L37/0885
Inventor H·哈特曼
Owner HENN GMBH & CO KG
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