Pump for manually dispensing a fluid substance sealed in a container

Pump for manually dispensing a fluid substance sealed in a container

  • CN 101,068,624 B
  • Filed: 12/13/2005
  • Issued: 08/15/2012
  • Est. Priority Date: 02/09/2005
  • Status: Active Grant
First Claim
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1. one kind is used for the pump that manual allocation is contained in the quantity of liquid material in the container hermetically;

  • This pump comprises the cup shaped body (1) with openend and blind end;

    Ring cover (2) is housed on the said openend;

    Said blind end is provided with hole (3);

    Flowing material can pass through this hole (3), enters into down in the pump chamber (8) via check valve (11), and flowing material can be through distributing the outside that is discharged to pump from following pump chamber (8);

    Said pump chamber (8) is down defined by annular piston (4);

    This annular piston (4) can move along the inner surface of cup shaped body (1) and the outer surface of the hollow action bars (5) that is used for dispenses fluid material hermetically, extends also in the hole of said bar (5) from be arranged on said ring cover (2) can move axially hermetically through being arranged on the said hole in the said ring cover (2), pump chamber (9) in said ring cover (2) and said piston (4) qualification;

    It is characterized in that;

    ring cover (2) is contained on the openend of cup shaped body (1) hermetically, and the said pump chamber (9) of going up is only through being arranged on the external communications of at least one passage (10) and said cup shaped body in the said cup shaped body (1);

    Wherein, said container is;

    the other end relative with that end that said pump is installed on it perhaps is the sack that can be out of shape by atmospheric extruding through the container of a movable base sealing, or for holding the container of gas-pressurized.

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