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Anti-oxidation high pressure seal stuffing box component

A high-pressure sealing and stuffing box technology, which is applied in shaft seals, engine seals, engine components, etc., can solve problems such as increasing the friction coefficient between packing and valve stem, accelerating valve stem wear, and technical difficulty, achieving self-lubricating properties Good, maintain sealing reliability, good wear resistance

Inactive Publication Date: 2009-08-05
WUXI SMART AUTO CONTROL ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the large deformation of the sealing packing increases the friction coefficient between the packing and the valve stem, accelerates the wear of the valve stem, and causes leakage due to damage to the sealing surface, so the technical difficulty is relatively large.

Method used

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  • Anti-oxidation high pressure seal stuffing box component
  • Anti-oxidation high pressure seal stuffing box component
  • Anti-oxidation high pressure seal stuffing box component

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Embodiment Construction

[0017] Below the present invention will be further described in conjunction with the embodiment in the accompanying drawing:

[0018] Such as Figure 1 ~ Figure 3 As shown, it includes the first filiform filler 1, the first zinc flake 2, the first flake filler 3, the second zinc flake 4, the second flake filler 5, the second filiform filler 6, the spacer 7, the third Filiform filler 8, third zinc flake 9, third flake filler 10, fourth zinc flake 11, fourth flake filler 12, fourth filiform filler 13, packing gland 14, disc spring 15, gland Flange 16 and valve stem 17.

[0019] The invention consists of two parts: a sealing main body and a compensating mechanism. When assembling, the sealing main body is installed on the valve stem 17, and the sealing main body is composed of the first filiform packing 1, the first zinc sheet 2, the first sheet packing 3, the second zinc sheet 4, the second sheet packing 5, The second filiform packing 6, the spacer 7, the third filiform packi...

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Abstract

The invention relates to an anti-oxidation high-pressure sealing stuffing box assembly, in particular to a stuffing box assembly for valves, which is especially suitable for industrial fluids and gases in high-pressure conditions. The anti-oxidation high-pressure sealing stuffing box assembly is characterized by comprising a sealing main body and a compensation mechanism; wherein the sealing main body is sequentially laminated with a first threadlike stuffing, a first zinc sheet, a first sheet stuffing, a second zinc sheet, a second sheet stuffing, a second threadlike stuffing and a spacer from bottom; the spacer is also sequentially laminated with a third threadlike stuffing, a third zinc sheet, a third sheet stuffing, a fourth zinc sheet, a fourth sheet stuffing and a fourth threadlike stuffing, wherein a stuffing gland bush is arranged above the fourth threadlike stuffing; a dish-shaped spring is arranged above the stuffing gland bush; and a gland bush flange is arranged above the dish-shaped flange. The invention has the advantages of excellent sealing effect, reliable comprehensive sealing performance, capability of working for long time, good self-wetting performance and wide application for transporting various gases and liquids.

Description

technical field [0001] The invention relates to an anti-oxidation high-pressure sealing stuffing box assembly, in particular to a stuffing box assembly for valves, especially suitable for industrial fluids and gases with oxidizing properties under high pressure. Background technique [0002] Packing is a dynamic sealing material used to fill the space of the stuffing box to prevent the medium from leaking through the valve stem and the space of the stuffing box. The packing seal is one of the key parts of the valve seal. The valve stem is in a dynamic sealing state when it moves, and when the valve is in a working state, the valve stem is in a static sealing state, so the requirements for the valve packing seal are very strict. In order to achieve a good sealing effect, on the one hand, the material and structure of the packing itself must meet the needs of the medium working conditions; on the other hand, a reasonable packing installation method and a reliable seal must be ...

Claims

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Application Information

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IPC IPC(8): F16K41/02F16J15/20
Inventor 陈彦杨光贤王宽
Owner WUXI SMART AUTO CONTROL ENG CO LTD
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