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valve superstructure

A valve body and head technology, which is applied in the field of valve superstructure, can solve the problems that the sealing ring cannot meet the requirements of durability and tightness, and the manufacturing and installation of the gasket is complicated, so as to avoid the bending effect, simplify the manufacturing, and reduce the wear and tear.

Inactive Publication Date: 2016-05-11
FLUHS DREHTECHN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] A disadvantage of the aforementioned known valve superstructure is that the manufacture of the gasket and its installation are very cumbersome
In addition, the seals used are increasingly unable to meet the increasingly stringent requirements for durability and tightness

Method used

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  • valve superstructure

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Embodiment Construction

[0013] The valve upper structure selected as the embodiment has a head 1 which is penetrated in the middle by a mandrel 2 in which the mandrel penetrates radially. The valve body 3 can be manipulated by the spindle 2, and the valve body is in contact with the valve seat 61 of the housing 6. The valve body 3 has a substantially cylindrical valve plunger 33, which carries a sealing gasket 4, which is surrounded by a surrounding edge 35 of a groove 34, which accommodates the sealing gasket 4, wherein the sealing gasket 4 and the groove The surrounding edge 35 of 34 is in contact with the valve seat 61 of the housing 6.

[0014] The head 1 is composed of a symmetrical hollow body, the two end surfaces of which are open. The head has a telescopic part 11 on its side facing the housing 6. A stopper 12 for contacting the valve body 3 is formed on the inner periphery of the component 11. The head 1 is provided with a connecting thread 13 on the outer side of its end facing the housing...

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Abstract

The invention relates to a valve upper structure, comprising a head piece, a spindle centrally penetrating the head piece and a valve body actuatable via the spindle for attachment at a valve seat of a housing, wherein at the valve body, on its side directed away from the spindle, a sealing device is arranged. The sealing device comprises a substantially cylindrically designed valve plug which, concentric to the spindle axis, is provided with a groove which accommodates a sealing disc which projects beyond the height of the groove.

Description

Technical field [0001] The present invention relates to a valve superstructure (Ventiloberteil) according to the preamble of claim 1, which has a head, a mandrel passing through the head in the middle, and a mandrel for contacting the housing. The valve body of the valve seat. Background technique [0002] The upper structure of this valve is known from GB2137736A. The upper structure of the valve is used to control the discharge of the medium from the fitting (Armatur). To this end, the valve upper structure is screwed into the housing of the fitting with its head, and a rotating handle or handle is fixed on its spindle. In order to control the flow, a valve plunger is provided, which can be moved linearly inside the head through a spindle. In order to seal against the valve seat, the valve plunger carries a gasket, which is fixed on the valve plunger by a nut or a shaped mushroom head, and is provided with a hole that can be flushed behind the gasket, thereby The gasket and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K1/46F16K1/36
CPCF16K1/46
Inventor F·图劳
Owner FLUHS DREHTECHN
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