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Magnetic liquid and triclinic mouth packing ring combined reciprocating shaft sealing device

A technology of magnetic liquid and sealing device, applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve problems such as leakage of reciprocating compressors, and achieve the effect of low surface temperature and long sealing life.

Inactive Publication Date: 2010-06-16
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problem to be solved by the present invention is the leakage problem of reciprocating compressors. Aiming at the situation that the current single sealing method cannot meet the sealing requirements, a combined reciprocating shaft sealing device of magnetic liquid and triple-slanted packing ring is provided.

Method used

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  • Magnetic liquid and triclinic mouth packing ring combined reciprocating shaft sealing device
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  • Magnetic liquid and triclinic mouth packing ring combined reciprocating shaft sealing device

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Embodiment Construction

[0022] Control attached figure 1 The specific embodiment of the present invention is described further:

[0023] A combined reciprocating shaft sealing device of magnetic liquid and three-slope packing ring, the connection between the parts constituting the device is: the first three-slope packing ring 2, the first pole shoe 3 with "O" ring, The first permanent magnet 4, the second pole piece with "O" ring 5, the second three-slope packing ring 6, the third pole piece with "O" ring 7, the second permanent magnet 8, the fourth belt Pole shoe 9 with “O” ring, third three-slanted packing ring 10, fifth pole shoe 11 with “O” ring, third permanent magnet 12, sixth pole shoe 13 with “O” ring , The fourth three-slanted packing ring 14 is placed in the bottom of the cavity of the sealing seat 1 with the "O" ring in turn, and the bolt 16 passes through the hole on the end cover 15 and is threaded with the sealing seat 1 with the "O" ring. Make end cap 15 compress above parts.

[002...

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Abstract

The invention relates to a magnetic liquid and triclinic mouth packing ring combined reciprocating shaft sealing device which is characterized in that a first triclinic mouth packing ring (2), a first pole shoe (3) with an O-shaped ring, a first permanent magnet (4), a second pole shoe (5) with an O-shaped ring, a second triclinic mouth packing ring (6), a third pole shoe (7) with an O-shaped ring, a second permanent magnet (8), a fourth pole shoe (9) with an O-shaped ring, a third triclinic mouth packing ring (10), a fifth pole shoe (11) with an O-shaped ring, a third permanent magnet (12), a sixth pole shoe (13) with an O-shaped ring and a forth triclinic mouth packing ring (14) are arranged at the cavity bottom of a sealing seat (1) with an O-shaped ring, and are connected with the sealing seat (1) with an O-shaped ring by bolts, and the parts are compressed. Magnetic liquid is injected into pole teeth of each pole shoe with an O-shaped ring before the device is used, therefore, the leak problem of a reciprocating compressor is solved.

Description

technical field [0001] The invention belongs to the field of mechanical engineering sealing, and is particularly suitable for the reciprocating motion sealing of shafts whose temperature is below 150 DEG C and whose sealing medium is gas in equipment such as vacuum coating machines and compressors. Background technique [0002] A compressor is a general-purpose machine used to compress gas to increase its pressure or transport gas. Currently the most widely used are reciprocating, screw and centrifugal. Among them, reciprocating compressors are widely used in mining, metallurgy, petroleum, chemical and other industrial fields due to their unique advantages such as high efficiency and high pressure. However, the leakage phenomenon of reciprocating compressors is ubiquitous, and because of its wide application, the seriousness of the problem is even more apparent. Especially the leakage of compressors that compress and transport flammable, explosive and highly toxic gases ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/16F16J15/53F16J15/43
CPCF16J15/43
Inventor 李德才王积尚
Owner BEIJING JIAOTONG UNIV
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