Ball valve

Ball valve

  • CN 105,736,728 A
  • Filed: 04/13/2016
  • Published: 07/06/2016
  • Est. Priority Date: 04/13/2016
  • Status: Active Application
First Claim
Patent Images

1. a ball valve, including ball valve body (1), two in a tubular form mould union joint processed (2) and two hold-doun nuts (3), the inner chamber of ball valve body is provided with ball valve core (7), described union joint is fixed on the two ends of ball valve body (1) by hold-doun nut, it is characterized in that:

  • the interior intracavity of described ball valve body (1) is provided with the side of ball valve core the bonnet (4) of fixing ball valve core, the medial wall of the outside of described bonnet and ball valve body (1) is fixedly connected, the rear end of described union joint is provided with and is pressed on the sealing ring (5) that bonnet and ball valve body gap (9) place carry out sealing;

    The medial wall of described ball valve body (1) is threadably secured with bonnet and is connected;

    The opening part of described ball valve body (1) and bonnet are equipped with concave shaped portion, and two concave shaped portion complement each other to form sealing ring draw-in groove (6);

    The porch of described ball valve body (1) is connected to filter tube and the internal diameter connector more than filter tube external diameter, described filter tube is arranged in the inner chamber of connector, described filter tube has the body of outer end closure, described tube wall has the external spiral groove with body for rounding post, described inboard wall of tube body has the inner spiral groove with body for rounding post, described external spiral groove and inner spiral groove are oppositely oriented, the groove depth of described external spiral groove and the groove depth sum of inner spiral groove more than the wall thickness of body to form the filter opening of rhombus on body.

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