The pump head for an american and a french valve

摘要

The present invention relates to a pump head for an american and a french valve, which comprises: a limiter sleeve (10), which is a continuous hollow space (111) and on one side of a switching slot (12) for the changeover to the cavity (11) is connected, of the switching slot (12) an axial section (121) for the french valve and a radial section (122) for the american valve, wherein the portion (121) for the french valve at one end with an end of the section (122) for the american valve is connected; a front rotary cylinder (20), a continuous working chamber (21), wherein the rear end of the front rotary cylinder (20) in the front end of the cavity (111) of the limiter sleeve (10) and is pushed with respect to the limiter sleeve (10) can be rotated, whereby the working chamber (21) at the front end a threaded hole (211) for the american valve and in the middle of a threaded hole (212) for the french valve; a shaft (50), which a through bore (51), a mouth (52) at the front end, a connecting piece (53) at the rear end, an outer annular groove (54) and a connecting hole (55) has on one side, the shaft (50) in the cavity (11) of the limiter sleeve (10), with the mouth (52) in the working chamber (21) of the front rotary cylinder (20) is located, wherein the connection piece (53) of the hollow space (11) projects; and a switching pin (60), the with the connecting hole (55) is connected, and in the switching slot (12) of the limiter sleeve (10) is located, wherein the switching pin of an outside force between the portion (121) for the french valve and the section (122) for the american valve of the switching slot (12) can be moved, as a result of which the mouth (52) of the shaft (50) in the working chamber (21) of the rotary cylinder (20) is moved along with it.