High temperature resistant mechanical seal device

A mechanical seal device, high temperature resistant technology, applied in the direction of engine seals, mechanical equipment, engine components, etc., can solve the problems of auxiliary seal failure, limited effect, seal performance impact of seal rings, etc., to reduce mechanical deformation and thermal deformation. , Improve efficiency and service life, prevent seal leakage
CN104329466BActive Publication Date: 2016-04-06SHANGHAI LEHE FLUID MACHINERY
8 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI LEHE FLUID MACHINERY
Publication Date
2016-04-06

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention relates to the field of sealing devices for fluid medium conveying pipelines, in particular to a high-temperature-resistant mechanical sealing device. The high-temperature-resistant mechanical sealing device comprises a movable ring (4), a static ring (5) and a revolving shaft (20), and is characterized by further comprising a vacuum shaft sleeve (11) and an O-shaped ring (13), wherein the inner cavity of the vacuum shaft sleeve (11) is in a high-vacuum state; the vacuum shaft sleeve (11) is fixed on the revolving shaft (20) in a sleeving manner; the movable ring (4) is fixed on the vacuum shaft sleeve (11) in the sleeving manner; the static ring is rotationally arranged on the vacuum shaft sleeve (11) in the sleeving manner; the static ring (5) and the movable ring (4) are jointed together and rotate relatively; the O-shaped ring (13) is lined between the vacuum shaft sleeve (11) and the revolving shaft (20). The high-temperature-resistant mechanical sealing device has high sealing performance, low medium leakage, long running time and long service life.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the field of sealing devices for fluid medium delivery pipelines, in particular to a high temperature resistant mechanical sealing device. Background technique

[0002] At present, there are many types of mechanical seals used for rotating shafts, and the models are different, but the overall structure is usually composed of static ring components and moving ring components. The current mechanical seal devices have the following defects: 1. Conventional products are in the state of overheating in the sealing chamber. , It is easy to cause the deformation of the shaft sleeve, which will cause the friction and bite between the relatively moving components with relatively small gaps including the diversion component and the labyrinth seal, which will seriously endanger the life of the mechanical seal and the safety of the equipment. The thermal expansion of the mechanical seal sleeve can easily lead to the failure of the auxiliary...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More