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Translational sealing device

A sealing device and dynamic sealing technology, which is applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problems affecting the sealing of the rotating shaft, the processing fails to meet the relevant requirements, and the rotating shaft cannot be guaranteed, so as to achieve a good sealing effect

Active Publication Date: 2013-10-16
HEFEI ALL PLUS ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in some cases, the relevant requirements cannot be met in terms of processing, installation or use, so that the rotating shaft cannot be guaranteed to have a very small radial swing, or the radial swing cannot be rigidly limited.
That is, the problem of excessive radial swing of the rotating shaft is unavoidable, which significantly affects the sealing of the rotating shaft

Method used

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  • Translational sealing device
  • Translational sealing device

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0012] Examples, see figure 1 and figure 2 Shown: a translational sealing device for sealing a rotating shaft 200 protruding to the right from the inside of the container 100 , which has a container wall 101 . That is, the rotating shaft 200 passes through the container wall 101 to the right. The translational sealing device includes a dynamic sealing device 10 sleeved on the rotating shaft 200 , and a sealing ring 20 is provided between the dynamic sealing device 10 and the container wall 101 . The dynamic sealing device 10 may be a packing seal or a mechanical sealing device, and the sealing ring 20 may be an "O" type sealing ring. Specifically, a screw 30 extending to the right is fixed on the container wall 101 by means of welding or the like, and the dynamic sealing device 10 is provided with a through hole 12 through which the screw 30 passes. Meanwhile, a tightening nut 31 is arranged on the right side of the through hole 12 on the screw rod 30 , and a compression s...

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PUM

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Abstract

The invention discloses a translational sealing device. The translational sealing device is used for carrying out sealing on a rotary shaft stretching out of the container towards the right, and the container is provided with a container wall. The translational sealing device comprises a dynamic sealing device sleeved on the rotary shaft, and a sealing ring is arranged between the sealing device and the container wall. A screw extending towards the right is fixed on the container wall, a through hole used for enabling the screw to penetrate is arranged on the dynamic sealing device, and meanwhile a fastening nut is arranged on the position, arranged at the right side of the through hole, on the screw. A pressing spring is arranged between the fastening nut and the dynamic sealing device, and the inner diameter of the through hole is larger than the external diameter of the screw. The translational sealing device has the advantage of being good in sealing effect.

Description

technical field [0001] The invention relates to the technical field of sealing devices, in particular to a translational sealing device. Background technique [0002] To make the dynamic seal of the rotating shaft work effectively, the traditional method is to make the radial swing of the rotating shaft as small as possible. Obviously, this method places extremely high demands on the machining and installation of the shaft. However, in some cases, relevant requirements cannot be met in terms of processing, installation or use, so that the rotating shaft cannot be guaranteed to have a very small radial swing, or the radial swing cannot be strictly limited. That is, the problem of excessive radial wobble of the rotating shaft is unavoidable, and the wobble significantly affects the sealing of the rotating shaft. Contents of the invention [0003] The purpose of the present invention is to provide a translational sealing device, which has the characteristics of better seali...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/54
Inventor 梅龙渊朱克钧
Owner HEFEI ALL PLUS ENVIRONMENTAL TECH CO LTD