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Peltier cooling type magnetic liquid sealing device

A magnetic liquid and sealing device technology, applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve problems such as seal failure, and achieve the effect of enhancing control ability and shortening distance

Inactive Publication Date: 2014-07-16
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that when the existing magnetic liquid sealing device is used in an extreme temperature situation, the sealing failure problem caused by the temperature of the magnetic liquid in the sealing gap is too high or too low

Method used

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  • Peltier cooling type magnetic liquid sealing device
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  • Peltier cooling type magnetic liquid sealing device

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Experimental program
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Embodiment Construction

[0023] The present invention will be further described with accompanying drawing as specific embodiment:

[0024] Gas-filled magnetic liquid rotary seals, such as figure 1 , the sealing device includes: shell 1, left bearing 2, left spacer magnetic ring 3, left pole shoe 4, permanent magnet 5, right pole shoe 6, right magnetic spacer ring 7, right bearing 8, end cover 9, sealing ring 10 , circlip 11, right sealing ring 12, left sealing ring 13, Peltier 14;

[0025] Connections between the parts making up the device:

[0026] The left sealing ring 13 is installed in the groove on the inner circle of the left pole shoe 4 to form a left pole shoe with a sealing ring, and the right sealing ring 12 is installed in the groove on the inner circle of the right pole shoe 6 to form a belt right pole shoe of the sealing ring;

[0027] The permanent magnet 5 is installed on the right end face of the left pole shoe with sealing ring, the right pole shoe with sealing ring is installed on...

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Abstract

The invention discloses a Peltier cooling type magnetic liquid sealing device, and belongs to the field of mechanical engineering sealing. The Peltier cooling type magnetic liquid sealing device solves the problem that when an existing magnetic liquid sealing device is used in the extreme temperature occasions, the temperature of magnetic liquid in the sealing gaps is excessively high or low, so that sealing fails. The Peltier cooling type magnetic liquid sealing device comprises a case (1), a left bearing (2), a left magnetism isolation ring (3), a left pole shoe (4), a permanent magnet (5), a right pole shoe (6), a right magnetism isolation ring (7), a right bearing (8), an end cover (9), a sealing ring (10), a clamping spring (11), a right sealing ring (12), a left sealing ring (13) and a Peltier part (14). The Peltier part (14) is installed on the outer surface of the regular polygonal case (1) so that the temperature of the magnetic liquid in the sealing gaps can be controlled, and the problem that when the existing magnetic liquid sealing device is used in the extreme temperature occasions, the temperature of the magnetic liquid in the sealing gaps is excessively high or low, so that sealing fails is effectively solved.

Description

technical field [0001] The invention belongs to the field of mechanical engineering sealing. Background technique [0002] Magnetic liquid sealing technology has been gradually used by more and more industries due to its advantages of zero leakage, no wear, long life and simple structure. The typical structure of the existing magnetic liquid rotary sealing device is as described in the patent applications with publication numbers CN102518811A and CN202091519U. When the existing magnetic liquid rotary sealing device is used in an extreme temperature environment, the temperature of the magnetic liquid in the sealing gap is too high or too low to cause the problem of seal failure. Contents of the invention [0003] The technical problem to be solved by the present invention is that when the existing magnetic liquid sealing device is used in an extreme temperature environment, the sealing failure problem caused by the temperature of the magnetic liquid in the sealing gap is t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16J15/43
Inventor 李德才姚杰
Owner BEIJING JIAOTONG UNIV
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