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Breakaway coupling with Anti-rotation safeguard

A separate, coupling technology, used in couplings, pipe components, mechanical equipment, etc., to solve problems such as the negative impact of outflow protection valves

Active Publication Date: 2021-12-10
伊莱弗莱克斯希贝股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has been shown that long-term operation with twist protection can have a negative effect on the outflow protection valve

Method used

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  • Breakaway coupling with Anti-rotation safeguard
  • Breakaway coupling with Anti-rotation safeguard
  • Breakaway coupling with Anti-rotation safeguard

Examples

Experimental program
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Embodiment Construction

[0025] figure 1 A longitudinal section through a split coupling according to the invention is shown. The split coupling includes a first coupling part 3 and a second coupling part 4 . coupling parts in figure 1 in a combined state. In this state, the second coupling part 4 , which is now designed as a male coupling part, engages in the first coupling part 3 , which is designed as a female coupling part. The coupling parts 3 , 4 each have a fluid connection 13 for connection to a fluid line (not shown).

[0026] The two coupling parts 3 , 4 are fastened to each other by means of a locking ring 5 which engages into a locking ring receptacle provided at the inner face of the first coupling part 3 and into a locking ring provided at the second coupling part 4 . Another locking ring receptacle on the outside.

[0027] Arranged between the coupling parts 3 , 4 is a rotationally asymmetrical protective ring 12 , which cooperates positively with the two coupling parts 3 , 4 and i...

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PUM

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Abstract

A breakaway coupling for connecting two fluid lines, comprising a first coupling part (3) which can be connected to the first fluid line and a second coupling part (4) which can be connected to the second fluid line. The coupling parts (3, 4) can be disconnected from one another by way of a defined disconnecting force, wherein at least one of the coupling parts (3, 4) has an outflow prevention valve (20) with a valve seat (21) and with a sealing body (14) which is configured for interaction with the valve seat (21). The outflow prevention valve (20) has a hold-open element (16) which is configured to enable a passage of the fluid in the joined-together state of the coupling parts (3, 4). The outflow prevention valve (20) is configured to prevent an outflow of the fluid from at least one of the fluid lines in the disconnected state of the coupling parts (3, 4). The breakaway coupling has an anti-rotation safeguard which, during operation of the coupling, prevents a rotation of the first coupling part (3) and the second coupling part (4) with respect to one another. According to the invention, the valve seat (21) has a bearing surface (24) for the sealing body (14), wherein a compensatory element (25) is arranged in the region of the bearing surface (24), which compensatory element (25) consists of a material which has a lower hardness than the material of the valve seat (21) and / or than the material of the sealing body (14).

Description

technical field [0001] The present invention relates to a split coupling for connecting multiple fluid lines. The split coupling includes a first coupling part connectable to a first fluid line and a second coupling part connectable to a second fluid line. The coupling parts can be separated from one another with a defined separation force. At least one of the coupling parts has an outflow protection valve with a valve seat and a sealing body designed to cooperate with the valve seat. The outflow protection valve has an open holder, which is designed to guide a fluid through in the combined state of the coupling parts. The outflow protection valve is also designed to prevent the outflow of fluid from at least one of the fluid lines in the disengaged state of the coupling part. The split coupling also has a twist protection which prevents the first coupling part and the second coupling part from twisting relative to each other during operation of the coupling. Background t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L37/088F16L37/40F16L55/10
CPCF16L37/40F16L37/088F16L55/1015F16L37/084F16L37/30
Inventor 乌尔里克·迈耶
Owner 伊莱弗莱克斯希贝股份有限公司
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