Solenoid valve

Solenoid valve

  • CN 1,928,401 B
  • Filed: 08/31/2006
  • Issued: 05/08/2013
  • Est. Priority Date: 08/31/2005
  • Status: Active Grant
First Claim
Patent Images

1. an electromagnetic control valve, comprising:

  • entrance;

    Outlet;

    Valve seat in fluid passage between described entrance and described outlet;

    For the valve element that engages with described valve seat with sealing means;

    Have at one end central corridor and at the movable part of the chamber of opposite end opening, hold the described valve element that is configured to engage described valve seat in the opening of described chamber, described movable part can move to open or close described valve;

    Described movable part is included in the cyclic rings of the opening of described chamber opening, and described cyclic rings is constructed to engage the shoulder that is formed on described valve element and described valve element is remained in the opening of described chamber;

    Fixed core;

    The elastic extenuation parts that are connected with described fixed core;

    Spring, it has the first end that engages described elastic extenuation parts and setovers described movable part away from second end of described elastic extenuation parts to an operating position with respect to a block piece, described block piece stops the motion of described movable part and the impact force of bearing described movable part, so that impact energy is not sent to described valve element and valve seat;

    Electromagnetic coil by the VDC excitation, it makes the described movable part opposing elastic extenuation parts related with described fixed core, move to an open position from described operating position, wherein said elastic extenuation parts stop the direct contact between described movable part and described fixed core.

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