A kind of screw pump

A kind of screw pump

  • CN 204,729,294 U
  • Filed: 06/30/2015
  • Issued: 10/28/2015
  • Est. Priority Date: 06/30/2015
  • Status: Active Grant
First Claim
Patent Images

1. a screw pump, it is characterized in that, comprise the pump housing (1), oil suction lid (5), flange plate (6), driving screw (2), sub-screw (3), bearing (7) and flat key (10), wherein:

  • The described pump housing (1) is connected with described oil suction lid (5);

    Described driving screw (2) is arranged in the inner chamber of the described pump housing (1);

    Described sub-screw (3) has two, is arranged in the inner chamber of the described pump housing (1), the both sides of described driving screw (2);

    Described bearing (7) is enclosed within described driving screw (2);

    Described flat key (10) is arranged in the groove of described driving screw (2);

    Described flange plate (6) is sleeved on described driving screw (2) and goes up and be connected with the described pump housing (1).

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