Split alternating magnetofluid sealing device
A ferrofluid sealing and split-type technology, which is applied in the direction of engine sealing, engine components, mechanical equipment, etc., can solve the problems of difficult replacement of sealing parts, low sealing pressure resistance, and influence on assembly effect, and achieve easy disassembly and assembly , Improving pressure resistance and reducing maintenance costs
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[0020] The present invention will be further described below in conjunction with the accompanying drawings.
[0021] Such as figure 1 The split-type staggered magnetic fluid sealing device includes a shaft 1, a housing 2, an inner pole shoe ring 3, a split-type outer pole shoe, a split-type inner permanent magnet, and a split-type outer permanent magnet. The shaft 1 described above is installed in the housing, the inner wall cross sections of the shaft 1 and the housing 2 are mutually concentric circles, the inner pole shoe ring 3 is set on the shaft 1, and the outer surface of the inner pole shoe ring 3 A plurality of annular grooves I5 are provided at intervals;
[0022] The split-type outer pole shoe and the inner pole shoe ring 3 correspond to each other, and their axial lengths are equal, and the inner diameter of the split-type outer pole shoe is larger than the outer diameter of the inner pole shoe ring 3; the split-type outer pole shoe The pole piece includes an oute...
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