Marine high-pressure-resistant bidirectional rotary sealing ring

A bidirectional rotation and sealing ring technology, which is applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve problems such as waste, and achieve the effects of reducing waste, saving costs, and reducing related expenses

Inactive Publication Date: 2015-07-29
QINGDAO TKS SEALING IND +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a high-pressure resistant bidirectional rotary sealing ring for ships, which solves the problem that the sealing ring of the original structure must be replaced due to the interference fit, thus causing unnecessary waste and making it The sealing effect is good, the cost is saved, and the needs of the actual situation are met

Method used

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  • Marine high-pressure-resistant bidirectional rotary sealing ring
  • Marine high-pressure-resistant bidirectional rotary sealing ring

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Effect test

Embodiment

[0020] A marine high-pressure resistant two-way rotary seal ring, which is a combined seal ring, that is, the seal ring is made of metal casing 1, end cover 2, first support ring 3, second support ring 4 and PTFE turning with spring 5 Formed sealing lip 6 and other auxiliary sealing first O-ring 7, second O-ring 8, rectangular sealing ring 9, first fastener 10, second fastener 11, in which the spring 5 is installed On the sealing lip 6 formed by PTFE turning, the first O-ring 7 is installed on the metal shell 1, the second O-ring 8 is installed on the second support ring 4, and then the sealing lip 6, the first support ring 3. The second support ring 4 and the rectangular sealing ring 9 are figure 2 After the metal shell 1 is sequentially installed in the metal shell 1, the end cover 2 is connected and fastened to the metal shell 1 by using the first fastener 10 and the second fastener 11 .

[0021] figure 2 The three PTFE sealing lips 6 formed by turning are divided into ...

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Abstract

The invention relates to a marine high-pressure-resistant bidirectional rotary sealing ring which comprises a housing, an end cover, a first supporting ring, a second supporting ring, a sealing lip provided with a spring, a first O-shaped sealing ring, a second O-shaped sealing ring and a rectangular sealing ring with auxiliary sealing functions, a first fastening piece and a second fastening piece, wherein the spring is mounted on the sealing lip; the first O-shaped sealing ring is mounted on the housing; the second O-shaped sealing ring is mounted on the second supporting ring; the sealing lip, the first supporting ring, the second sealing ring and the rectangular sealing ring are mounted in the housing in sequence; the end cover and the housing are connected and fastened through the first fastening piece and the second fastening piece; the sealing lip is made from PTFE (poly tetra fluoro ethylene) material. The marine high-pressure-resistant bidirectional rotary sealing ring is good in sealing effect, and capable of reducing cost and meeting the needs of practical situations.

Description

technical field [0001] The invention belongs to the technical field of sealing, and relates to a marine high-pressure resistant bidirectional rotating sealing ring. Background technique [0002] At present, the structure of the high-pressure bidirectional rotary seal ring used in ships is generally as follows: figure 1 As shown, the sealing ring is composed of a metal shell 21, three PTFE lip-shaped sealing rings 22, an original support ring 23, and an original O-shaped sealing ring 24. The inner wall of the metal shell 21 and the outer wall of the metal frame b of the PTFE lip-shaped sealing ring 22 are an interference fit, and the PTFE sealing ring 22 cannot be taken out after being installed in the metal shell 21. After a period of time, the original sealing lip a of the PTFE lip-shaped sealing ring 22 wears and needs to be replaced, and the sealing ring of the original structure must be completely replaced due to the interference fit, thus causing unnecessary waste. Fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/32
CPCF16J15/3204
Inventor 额尔登杜喜林邓玉霞姜苏陈文良
Owner QINGDAO TKS SEALING IND
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