Trigger dispenser for liquids with a stop for the dispensing valve

摘要

A trigger dispenser (1) for liquids comprises a suction valve (30) and a delivery valve (60), separate from the suction valve (30). The dispenser (1) has a detachable stop (100), comprising a bottom (104) positioned rearwards of the delivery valve (60) to form an end stop abutment with this during the dispensing step.

主权项

1. Triggered dispensing device for a liquid, comprising:
a frame, comprising;
a suction pipe;a dispensing pipe;a pumping chamber;a first opening between the suction pipe and the pumping chamber for passage of liquid into the pumping chamber;a second opening between the pumping chamber and the dispensing pipe for passage of liquid from the pumping chamber; anda crown surface surrounding the second opening; a suction valve positioned in the pumping chamber, comprising a diaphragm seated against the first opening; and a delivery valve means attached to the frame, comprising:
a delivery valve, comprising:
a baffle;a free annular end;an annular boss;wherein the annular boss is seated against the crown surface and the free annular end is seated against the frame;a stop retaining the free annular end of the delivery valve in a seated position against the frame.