Ball valve with novel seal structure

Ball valve with novel seal structure

  • CN 1,687,622 A
  • Filed: 05/08/2005
  • Published: 10/26/2005
  • Est. Priority Date: 05/08/2005
  • Status: Active Application
First Claim
Patent Images

1. , a kind of ball valve with novel seal structure, comprise valve body (1), spool (2), valve rod (3) and handle (4), spool (2) is positioned at valve body (1), its center is the through hole (21) of a perforation, valve rod (3) passes valve body (1), its the inner is connected with spool (2), its outer end is stretched out valve body (1) and is connected with handle (4), it is characterized in that, described valve rod (3) flexibly connects with spool (2), in spool (2), have a pressure port (22) that valve core through hole (21) is communicated with valve rod (3), be provided with a convex shoulder (31) at the inner end of valve rod (3), and be provided with sealing gasket (6) between convex shoulder (31) and the valve body (1).

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