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Sealing device with uniformly distributed magnetic liquid

A magnetic liquid, evenly distributed technology, applied in the direction of engine seals, engine components, mechanical equipment, etc., can solve the problems of uneven distribution, reduced pressure resistance, and pressure resistance is not proportional to the number of seal stages, to expand the use. The effect of constant range, assembly method and long service life

Inactive Publication Date: 2004-11-17
BEIJING JIAODA INNOVATION TECH CENT
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problem to be solved by the present invention is that during the assembly process of the existing magnetic liquid seal, the distribution of the magnetic liquid between the pole teeth of the pole shoe is very uneven, and there is almost no magnetic liquid on some pole teeth, so that the pressure resistance capacity is different from that of the seal. The number of stages is not proportional, resulting in a decrease in the overall pressure resistance. Therefore, a sealing device with uniform distribution of magnetic liquid is provided

Method used

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  • Sealing device with uniformly distributed magnetic liquid
  • Sealing device with uniformly distributed magnetic liquid
  • Sealing device with uniformly distributed magnetic liquid

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Embodiment Construction

[0011] The present invention will be further described with accompanying drawing as specific embodiment:

[0012] The sealing device with uniform distribution of magnetic liquid includes: sleeve 2, bearing 3, pole shoe 4, rubber sealing ring 5, permanent magnet 6, pole shoe 7, magnetic liquid 8, bearing 9, adjusting gasket 10, screw 11, flange 12. Shaft 13. When installing, first insert the rubber seal ring 5 into the pole shoe 4 and the pole shoe 7, and then sequentially insert the bearing 3, the pole shoe 4 with the rubber seal ring 5 embedded, the permanent magnet 6, the pole shoe 7 with the rubber seal ring 5 embedded, The bearing 9 is installed on the right side of the inner boss of the sleeve 2, and then the adjusting gasket 10 and the flange 12 are installed, fixed with screws 11, the above parts are pressed tightly, and the magnetic liquid 8 is injected into the pole piece 4 and the pole piece 7 Between the pole teeth, finally install the shaft 13 according to the dir...

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Abstract

The invention is a kind of sealing device whose magnetism liquid is distributed evenly, the device includes: a cover, a bearing, a rubber sealing ring, a magnet, polar shoe, magnetism liquid, nut, adjusting cushion, frank plat, shaft. The grades of the polar teeth of the two polar shoes are different, the teeth quantity of the polar shoe 4 is less than teeth quantity of the polar shoe 7, ensures each teeth on the polar shoe is covered by magnetism liquid, thus upgrades the pressure resisting ability of the device. The pressure durable ability is high, the lifespan is long, and the assembly is not changed. The application range is enlarged.

Description

technical field [0001] The invention belongs to the technical field of mechanical engineering sealing, and is especially suitable for magnetic liquid sealing. Background technique [0002] In the design of the magnetic liquid seal device, people usually use the magnetic liquid seal device with equal stages of pole teeth on the left and right pole pieces. When this structure is assembled, the shaft moves from left to right, and first contacts with the left pole piece, taking away The magnetic liquid between the pole teeth on the left pole shoe causes the distribution of the magnetic fluid between the pole teeth on the left pole shoe to be very uneven. There is almost no magnetic liquid on some pole teeth. Although there is a pole tooth structure, it does not play any role. The effect of pressure resistance makes the pressure resistance capacity not proportional to the number of sealing stages, resulting in a decrease in the overall pressure resistance capacity. Contents of ...

Claims

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Application Information

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IPC IPC(8): F16J15/00F16J15/40
Inventor 李德才兰惠清
Owner BEIJING JIAODA INNOVATION TECH CENT
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