JPH0423691U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a sectional view of the dispenser of the present invention. FIG. 2 is a sectional view of the dispenser shown in FIG. 1 while the head is being lowered. Third
This figure is a sectional view of the dispenser shown in FIG. 1 when the head is lowered to the lowest position to open the lower communication port. FIG. 4 is a sectional view of the dispenser according to the second embodiment of the present invention, with the head positioned at the highest position. FIG. 5 is a cross-sectional view of the dispenser in a state where the lower communication port of the tube shown in FIG. 4 is closed by the bottom wall of the cylinder portion. FIG. 6 is a sectional view of the dispenser in a state where the lower communication port of the tube shown in FIG. 4 is in communication with the mouth of the container. FIG. 7 is an explanatory diagram showing the shapes of the upper and lower communication ports of the tube shown in FIG. 4. FIG. 8 is a sectional view of a conventional "foaming liquid dispensing device." 20,40...dispenser, 21,41...
Mouth part of the container, 22, 44... Cylindrical joint part, 23,
45... Cylinder part, 23a, 45a... Cylinder chamber, 24, 46... Pipe body, 25, 47... Vertical pipe part, 25a, 47a... Passage, 26, 49...
Head, 26a, 49a... Passage, 27, 53...
...Spring, 28,48...Boss part, 29,5
0...Piston part, 30...Lower communication port, 31...
...Upper communication port, 51...Upper communication port, 52...Lower communication port.

Claims (1)

[Claims for Utility Model Registration] (1) A cylindrical portion with a bottom that is connected to the mouth of a liquid storage container with a bottom wall portion having an opening positioned downward, the bottom wall having an opening in the bottom wall portion; A tube whose upper end is open and whose lower end is closed is slidably fitted into the section, and the tube is fitted into the middle section of the tube so as to be movable up and down on the inner wall surface of the cylinder section. The dispenser has a flange-like piston portion, and the mouth portion and the inside of the tube portion are connected to a lower end portion of the tube body that protrudes into the mouth portion when the piston portion is positioned near the bottom wall portion. a lower communication port that can communicate with the piston, and is located in the cylinder portion at a portion between the piston portion and the lower communication port of the tube body when the piston portion is located near the bottom wall portion. an upper communication port that communicates the inside of the cylinder portion with the inside of the tube body is opened in the portion, and the tube body is resiliently biased in a direction in which the piston portion is separated from the bottom wall portion of the cylinder member. A dispenser characterized by the fact that it did. (2) A dispenser according to claim 1,
The pipe body has a head at its upper end having a discharge passage communicating with the inside, and a resiliently biased coil spring is installed between the head and the upper wall of the cylinder part. Dispenser featuring. (3) A liquid storage container equipped with the dispenser according to claim 1, wherein a stepped portion is formed on the inner wall surface of the mouth portion and is spaced apart from the bottom wall portion of the cylinder portion, and the upper surface of the stepped portion and the tube body are connected to each other. A liquid storage container with a dispenser, characterized in that a resiliently biased coil spring is disposed between the lower end of the container and the lower end of the container.