Flanged cover assembly with Flange pressure distribution compensator

Flanged cover assembly with Flange pressure distribution compensator

  • CN 101,080,554 B
  • Filed: 10/18/2005
  • Issued: 12/12/2012
  • Est. Priority Date: 10/18/2004
  • Status: Active Grant
First Claim
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1. cover assembly comprises:

  • Lid;

    Comprise wall portion, center on this wall portion from this wall portion outward extending side adpting flange and a plurality of surperficial from it flange hole that extends to the interval of lower surface of said side adpting flange that passes;

    Wherein said flange hole is with ccontaining corresponding a plurality of fasteners, and this fastener is inserted through said flange hole said lid is installed on pedestal;

    Spring seat;

    The outer surface of part at least that is suitable for the adpting flange along said side extends;

    And have and positioning hole and at least one spring-like part at the corresponding a plurality of intervals of flange hole at least two said intervals;

    This spring-like part and contacts with the upper surface of said side adpting flange between the flange hole at said interval;

    AndCover gasket comprises flange hole and the corresponding hole of positioning hole at interval with said a plurality of intervals;

    Wherein, when said fastener is inserted through the positioning hole at said a plurality of intervals and the flange hole at said a plurality of intervals, when said lid and said packing ring were installed on said pedestal, said spring-like partly was suitable for the upper surface of said side adpting flange is applied elastic force.

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