JPS625848U - - Google Patents

Description

[Brief explanation of the drawing]

1 and 2 are sectional views of main parts for explaining the operation of a sprayer according to an embodiment of the present invention, FIG. 3 is a sectional view showing a part of the sprayer of the same embodiment, and FIG. 4 is a cross-sectional view taken along the line --- in FIG. 3, and FIG. 5 is a cross-sectional view taken along the -- line in FIG. In the figure, 1... Container, 2... Cap, 2a...
Outer cylinder part, 2b...Inner cylinder part, 3...Housing, 3
b...Vent hole, 4...Plunger, 4a...Fluid passage, 5...Press head body, 5a...Spray port, 5b
... Spraying passage, 6... Gap, 7... First valve body, 7a... Small diameter part, 7b... Large diameter part, 7c... First step, 7d... Tapered surface, 7f... ...projection, 8
... Spring body, 9 ... Check valve, 10 ... Suction pipe, 1
1...Second valve body, 11a...First tapered surface,
11b...Second tapered surface.

Claims (1)

[Scope of utility model registration request] a container that contains a liquid to be sprayed; a cap that has an outer cylinder part that fits over the mouth of the container; and an inner cylinder part that is coaxially provided inside the cap; a housing that is fitted onto the outer circumferential surface of the inner cylindrical portion, has a lower end protruding inward of the container, and has a ventilation hole that penetrates in the thickness direction at a portion slightly below the lower end of the inner cylindrical portion; a cylindrical plunger having a fluid passage and fitted into the inner cylindrical portion of the cap so as to be movable up and down; a pressing head fixed to the upper end of the cylindrical plunger and having a spraying passage communicating with the fluid passage; The upper part has a small diameter columnar shape, the lower part has a large diameter columnar shape, the small diameter columnar part is fitted into the lower fluid passage of the cylindrical plunger so as to be vertically movable, and the large diameter columnar part is inserted from the upper end of the small diameter columnar part. A groove-like fluid passage communicating with the fluid passage of the cylindrical plunger is formed across the upper end of the part, and a first groove that appropriately contacts the lower end of the cylindrical plunger is formed at the connection part between the small diameter columnar part and the large diameter columnar part. The groove-like fluid passage has a tapered surface whose diameter increases downward from the lower end of the groove-like fluid passage, and a second step is formed below the tapered surface, and
a first valve body having a third step formed below the second step; the first valve body being locked through the third step of the first valve body; a spring body that biases the valve upward; a check valve provided inside the housing below the first valve body; having a substantially cylindrical shape, the upper part of which is movable up and down around the outer circumference of the lower end of the cylindrical plunger; The upper outer periphery also forms a first tapered surface whose outer diameter increases downward,
A lower portion surrounds at least an upper portion of the large diameter portion of the first valve body, an outer circumferential surface of the lower portion is in sliding contact with an inner wall surface of the housing, and the inner wall surface is in contact with a tapered surface of the first valve body. The inner diameter expands downward in the substantially opposing portions, and the first
a second valve body having a second tapered surface that appropriately contacts the tapered surface of the valve body to block passage of the spray liquid in the housing; both ends are open, and the upper end is the lower end opening of the housing; and a suction pipe connected to the bottom of the container, the lower end of which extends to the bottom of the container.