Hard-sealing long-life ball valve with medium-large caliber for water purifier

Hard-sealing long-life ball valve with medium-large caliber for water purifier

  • CN 105,673,879 A
  • Filed: 04/13/2016
  • Published: 06/15/2016
  • Est. Priority Date: 04/13/2016
  • Status: Active Application
First Claim
Patent Images

1. a water purifier medium-large caliber seals long-lived ball valve firmly, comprise valve body, valve rod, valve gap and spheroid, the setting spherical in shape of described valve body and two ends are provided with medium runner, described valve gap is fixedly connected with valve body, described valve rod is arranged through valve gap and spheroid linkage, it is characterized in that:

  • described valve rod is provided with outer convex step, described step is arranged on the corresponding spheroid side of valve gap, the accommodating cavity of accommodating sealing material it is provided with between described valve gap and step, sealing material it is filled with in accommodating cavity, described another side of valve gap opposing steps is provided with the fastening screw nut matched with valve rod, it is folded with butterfly spring between the wall face of the corresponding step side of described fastening screw nut and the phase opposite of valve gap, Described medium runner entrance is connected with strainer tube and internal diameter is greater than the Link Port of strainer tube external diameter, described strainer tube is arranged in the inner chamber of Link Port, described strainer tube has the pipe body of outer end shutoff, described tube wall has the external spiral groove leading cylinder with Guan Tiwei, described inboard wall of tube body has the inner spiral groove leading cylinder with Guan Tiwei, described external spiral groove and inner spiral groove rotation direction are contrary, and the groove depth of described external spiral groove and the groove depth sum of inner spiral groove are greater than the wall thickness of pipe body to form the filter opening of rhombus on pipe body.

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