Liquid spray head assembly

Abstract

A spray head assembly includes a push member, a piston rod, a spring, a seal member, a link, a movable member, a cylinder and a resilient valve. The link includes multiple axial slots defined in an outer surface thereof so that no surplus and rough material is left during manufacturing. The spiral valve effectively responses the operation of the spray assembly to seal or open the path in the cylinder.

1 . A spray head assembly comprising:
 a push member having a nozzle and an outlet tube connected with the push member;   a piston rod being a hollow tube and including an enlarged engaging head and a hollow tube extending from the engaging head, the engaging head contacting an inside of the push member;   a spring being biased between the hollow tube of the piston rod and a seal member so as to provide a return force to the piston rod and a link;   the seal member located at a first end of a cylinder and having a passage through which the piston rod extends;   the link including a cylindrical portion which extends through the hollow tube and multiple axial slots defined in an outer surface thereof, a stop connected to an end of the cylindrical portion;   a movable member having a through hole define axially therethrough and the link extending through the through hole, an open end of the movable member removably sealed by the stop of the link by the return force from the spring;   the cylinder being a tubular member with a first section and a second section which is smaller than the first end in diameter, the movable member and the link received in a chamber defined in the first section, a path formed within the second section, and   a resilient valve being a spiral valve and received in the second section of the cylinder, the resilient valve having a first end and a second end, an opening defined in a first end and an insertion protruding from the second end and sealing the path, a hollow resilient portion located between the first and second ends of the resilient valve so as to provide a force to move the insertion of the resilient valve to seal the path.   
     
     
         2 . The assembly as claimed in  claim 1 , wherein a fixing part is mounted to a opening of a container and the spray assembly is connected to the container by the fixing part. 
     
     
         3 . The assembly as claimed in  claim 2 , wherein the fixing part includes a sealing member to seal the opening of the container. 
     
     
         4 . The assembly as claimed in  claim 1 , wherein the second section of the cylinder includes a connection port and a suction tube is connected to the connection port and inserted into the container.