Sealing structure combining brush type and comb teeth
A grate and brush technology, applied in the field of brush and grate composite sealing structure, can solve the problems of difficult replacement, failure and high cost
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[0023] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0024] A composite sealing structure of brush type and grate teeth according to the present invention comprises a rotating shaft 1, a sealing bush 2 is provided on the outer coaxial sleeve of the rotating shaft 1, and a plurality of axially arranged annular sealing grate teeth are arranged on the rotating shaft 1 3. It is characterized in that: the inner surface of the sealing bush 2 is provided with an annular groove 4 corresponding to the sealing grate 3, the annular groove 4 is a smooth arc groove, and the tooth root of the annular sealing grate 3 is fixed on the rotating shaft 1, a protrusion 31 is formed in the middle of the outer peripheral surface of the tooth tip, the protrusion 31 is a smooth arc-shaped protrusion, and the curvature of the protrusion 31 is greater than the curvature of the annular groove 4, and the protrusion 31 extends...
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