JPH033455U

JPH033455U -

Info

Publication number: JPH033455U
Application number: JP6264889U
Authority: JP
Priority date: 1989-05-30
Filing date: 1989-05-30
Publication date: 1991-01-14

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の半裁断面図、第２
図は従来例の断面図である。１……シリンダ、１１……ピストン管、１２…
…ピストン、１３……吐出路、１４……吐出側逆
止弁、３０……外筒、３１……吸気路、３２……
吸気口、３５……内容液吸上げ管、３８……吸入
路、４１……第１吸入逆止弁、４２……第２吸入
逆止弁、４３……気液吸入路。 Fig. 1 is a half-cut sectional view of one embodiment of the present invention;
The figure is a sectional view of a conventional example. 1...Cylinder, 11...Piston pipe, 12...
...Piston, 13...Discharge path, 14...Discharge side check valve, 30...Outer cylinder, 31...Intake path, 32...
Intake port, 35...Liquid suction pipe, 38...Suction path, 41...First suction check valve, 42...Second suction check valve, 43...Air-liquid suction path.

Claims

[Scope of utility model registration request]

A cylinder 1 that can be fitted into the mouth and neck of a container is provided, and a piston pipe 11 equipped with a piston 12 is fitted into the cylinder 1 so as to be able to slide up and down. A stop valve 14 is provided, and a first suction check valve 41 is provided in the suction passage 38 of the cylinder 1 connected to the content liquid suction pipe 35.
and a second suction check valve 42 are provided in series, and a gas-liquid suction path 4 is connected between the first suction check valve 41 and the second suction check valve 42.
3, and further, an outer cylinder 30 that reaches from the lower part of the cylinder 1 to the upper part is fitted to the cylinder 1, and the outer cylinder 30
An intake passage 31 is formed inside, one end of the intake passage 31 is opened at the other end of the outer cylinder 30 to serve as an intake port 32, and the other end of the intake passage 31 is communicated with a gas-liquid intake passage 43. Gas-liquid mixing jet in a container.