JP2589458Y2 - Liquid discharge container - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manual pump type liquid discharge container.

[0002]

2. Description of the Related Art As shown in, for example, the invention of Japanese Utility Model Laid-Open No. 4-115177, a cylinder is suspended from a mounting cylinder fitted to the mouth and neck of a container body into the container body, and is urged upward from the cylinder to stand up. The liquid in the container is discharged from the nozzle on the upper part of the operating member by the up and down movement of the operating member, and the female screw member is fitted to a fitting cylinder rising from the upper part of the cylinder, and the upper part of the member is attached by pushing down the operating member. 2. Description of the Related Art There is known a liquid discharge container provided with a shaped external thread so as to be screwable. By changing the head with a nozzle at the upper end of the operating member, the container can be used as a sprayer, a bubble ejector, or a container that discharges a liquid as shown in the above-mentioned publications and the embodiments of the present application. The liquid ejector includes a sprayer and the like.

[0003]

[Problems to be solved by the invention]
In order to prevent negative pressure inside the container due to liquid discharge, an outside air suction hole communicating the inside of the cylinder and the inside of the container is formed at the top of the cylinder, and to prevent the packaging from becoming bulky,
Since the actuating member is pressed down, the male screw provided on the upper surface of the member is screwed into the female screw member fitted to the upper end of the cylinder,
When the container is turned over when transporting the container, the liquid in the container enters between the operating member and the cylinder through the outside air suction hole. Then, when the male screw is unscrewed and the operating member is raised, the lower end of the operating member The above-mentioned cylindrical piston pushes up the liquid, so that there is a drawback that water overflows above the female screw member.

According to the present invention, a female screw member is rotatable within a predetermined angle range with respect to a fitting cylinder of a cylinder, and a shielding plate capable of opening and closing an outside air suction hole is provided in the female screw cylinder of the female screw member to provide an operating member. When the operating member in which the male screw is screwed into the female screw cylinder is in the depressed state, the female screw member is turned in the tightening direction to seal the outside air suction hole. By rotating in the loosening direction and providing the outside air suction hole to open when the operating member is in the up state,
The object of the present invention is to eliminate the disadvantages of the above-mentioned conventional container.

[0005]

The inside of a cylinder fixed to the mouth and neck and suspended from the inside of the container is moved up and down by an operating member which is urged upward and rises, and a liquid in the container is discharged from a nozzle above the member. An external air suction hole for discharging and communicating the inside of the cylinder and the inside of the container is formed in the upper portion of the cylinder, and a female screw member is fitted in a fitting cylinder rising from the upper end of the cylinder, thereby urging the operating member against the bias. In a state where the male screw provided in the upper part of the member is screwably engaged with the liquid ejection container,
On each opposing surface of the fitting cylinder 10 and the female screw member 15, a rotation control means 22 for rotating the female screw member within a predetermined angle range is provided, and the female screw cylinder fitted from the female screw member to the inner surface of the cylinder and hanging therefrom. A shielding plate 23 is attached to the lower outer surface of the lower part 17, and the positional relationship between the shielding plate 23 and the outside air suction hole 7 is determined by the female screw member.
When the position 15 is located at the end of the rotation control means 22 in the tightening direction, the outside air suction hole 7 is closed, and when the position 15 is located at the end in the loosening direction, it can be opened.

[0006]

As shown in FIG. 1, in a state in which the operating member 25 is piled up and pressed down and screwed into the female screw member 15, the female screw member 15 is subjected to frictional resistance when the male screw 32 is tightened. The cylinder 5 is rotated to the end in the tightening direction of the rotation control means 22 with respect to the fitting cylinder 10, and at this time, a closing plate 23 on the lower outer surface of the female screw cylinder 17 is provided.
Seals the outside air suction hole 7 as shown in FIG. When the operating member 25 is turned in the loosening direction from this state, the female screw member 15 also rotates with the male screw to the loosening direction end of the rotation control means 22 with respect to the fitting cylinder 10 due to frictional resistance when the male screw 32 is unscrewed. After that, the operation member 25 is stopped, and thereafter, only the operation member 25 having the male screw rotates and unscrews from the female screw member 15, and is raised by pushing up the spring 26. In this state, the shielding plate 23 of the female screw member 15 is disengaged from the outside air suction hole 7 as shown in FIG.
And the inside of the container.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference numeral 1 denotes a container body, and 2 denotes a mounting cylinder screwed to the mouth and neck of the container body. The mounting cylinder has an inward flange 3 at the upper end.

Reference numeral 5 denotes a cylinder which hangs down into the container body. An outward flange 6 attached to the upper end is placed on the upper end surface of the mouth and neck of the container body via packing. It is placed on the upper surface, and the outward flange is held together with the packing with the upper end surface of the mouth and neck. The cylinder 5 has an external air suction hole 7 communicating the inside of the cylinder and the container inside the upper wall, a suction valve 8 at the bottom of the cylinder, and a suction pipe 9 hanging down from the suction valve. The fitting cylinder 10 stands upright from the upper end of the cylinder. The fitting cylinder has a first engaging ridge 11 provided on an outer surface thereof, and an appropriate number of first vertical ribs 12 provided as rotation control means described later on an inner surface thereof.

A female screw member 15 is fitted into the fitting cylinder 10. The member is fitted from the inner peripheral portion of the flange-shaped top plate 16 to the inner surface of the upper portion of the cylinder, and the female screw cylinder 17 is hung down.
Further, the outer cylinder 19 is hung from the outer periphery of the top plate. A second engagement ridge 20 engaged with the lower surface of the first engagement ridge 11 is provided on the inner surface of the lower portion of the middle cylinder 18.
The second vertical ribs 21 are provided on the outer surface of the upper half part of the female screw cylinder 17 so as to be located between the first vertical ribs 12. The second vertical rib forms a rotation control means 22 together with the first vertical rib 12. When the female screw member 15 is rotated with respect to the fitting cylinder 10, the first vertical rib 12 and the first vertical rib 21 are rotated. Are provided so that the female screw member can rotate in both forward and reverse directions within a predetermined angle range by engaging with. The lower portion of the female screw cylinder 17 is a small outer diameter portion 17a, and a part of the small outer diameter portion is provided with a shielding plate 23 for opening and closing the outside air suction hole 7 when the female screw member rotates.
The shielding plate will be described later.

Reference numeral 25 denotes an operating member which is erected by a spring 26 from the inside of the cylinder 5 to move up and down with respect to the cylinder 5 to suck up the liquid in the container into the cylinder and to transfer the liquid in the cylinder to a nozzle 27 above the operating member. It is provided so as to be able to discharge from. The member has a cylindrical piston 29 at the lower part of the stem 28, and the head 30 with the nozzle is fitted at the upper end of the stem 28. On the outer surface of the stem fitting tube 31 that hangs down from the head 30, a male screw 32 that is screwed to the above-described female screw tube is attached. FIG. 1 pushes down the operating member 25 against the bias of the spring 26,
This shows a state in which the male screw 32 is screwed into the female screw cylinder. In this state, the container is transported while the operating member is pressed down and screwed.

Due to the frictional resistance when the male screw 32 is screwed into the female screw cylinder 17, the female screw member 15 rotates together with the male screw 32 in the tightening direction as described above, and the first and second engagement ribs 1 are formed.
The stop plate 23 is provided so as to stop when the two are engaged with each other. At this time, the closing plate 23 is provided so as to close the outside air suction hole 7 as shown in FIG. When the operating member 25 is turned in the loosening direction from the state shown in FIGS. 1 and 3, the operating member 25 is urged upward by the spring 26, so that the upper surface of the male screw thread is pressed against the lower surface of the female screw thread. As a result, the frictional resistance increases and the female screw member 15
Both are turned in the loosening direction, and the first and second engaging ribs 12 and 21 are engaged to stop the female screw member 15. Thereafter, only the actuating member having a male screw is turned in the loosening direction and screwed. Take off and rise. When the female screw member 15 stops, the closing plate 23 comes off from the outside air suction hole 7 as shown in FIG.

[0012]

[Effect of the Invention] The present invention has the above-described configuration, and the operating member is provided.
25 is pressed down against the bias, and the male screw at the upper part of the operating member is screwed into the female screw member 15 fitted to the fitting cylinder 10 at the upper part of the cylinder, so as to hold the pressed state of the operating member. In the liquid discharge container, the rotation control means 22 for rotating the female screw member within a predetermined angle range is provided on each of the opposing surfaces of the fitting cylinder 10 and the female screw member 15, and the female screw member is fitted to the inner surface of the cylinder. A shielding plate 23 is attached to the lower outer surface of the hanging female screw cylinder 17, and the positional relationship between the shielding plate and the outside air suction hole 7 formed in the upper part of the cylinder and communicating between the inside of the cylinder and the inside of the container is defined by a female screw. When the member 15 is positioned at the end in the tightening direction of the rotation control means 22, the outside air suction hole 7 is sealed, and when the member 15 is positioned at the end in the loosening direction, the opening can be opened. When screwed into the female screw member 15, the female screw member rotates due to frictional resistance during the screwing. As a result, the closing plate 23 closes the outside air suction hole 7, so that the liquid in the container flows into the space between the cylinder and the operating member even if the container is turned sideways in the state where the operating member is pressed down and screwed. There is no intrusion, so that when the operating member is unscrewed, it is not pushed out from between the operating member and the female screw member by the rise of the cylindrical piston.

[Brief description of the drawings]

FIG. 1 is a half sectional view of the container of the present invention.

FIG. 2 is an exploded perspective view of a main member.

FIG. 3 is a cross-sectional view of a main part in a state where an outside air suction hole is closed.

FIG. 4 is a cross-sectional view of a main part in an outside air suction hole state.

[Explanation of symbols]

 10: Fitting tube 15: Female screw member 23: Closure plate

Claims (1)

(57) [Scope of request for utility model registration] 1. A liquid in a container is discharged from a nozzle on an upper part of a cylinder fixed to a mouth and neck and vertically suspended from a nozzle which is vertically urged upward from an inside of the cylinder by vertically moving the member.
At the top of the cylinder, an outside air suction hole that communicates between the inside of the cylinder and the inside of the container is drilled, and a female screw member is fitted into a fitting cylinder that stands up from the top of the cylinder, and the operating member is pressed down against the bias. In this state, in the liquid discharge container provided with a male screw provided on the upper part of the member so as to be screwable, the female screw member is turned on the opposing surfaces of the fitting tube 10 and the female screw member 15 within a predetermined angle range. And a female screw cylinder 17 that fits from the female screw member to the inner surface of the cylinder and hangs down.
A shielding plate 23 is attached to the lower outer surface of the female screw member, and the internal thread member 15 determines the positional relationship between the shielding plate 23 and the outside air suction hole 7 by turning control means.
22. A liquid discharge container characterized in that the outside air suction hole 7 is sealed when it is located at the end in the tightening direction, and can be opened when it is located at the end in the loosening direction.