JPH10296166A - Discharge vessel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable hygienic use without liquid corroding by connecting a nozzle member having a liquid discharge port part and a liquid storing chamber by a bellows member which can be extended and contracted, and providing valves opened in the discharge direction and not opened in the opposite direction to the discharge one above and below the bellows member. SOLUTION: In use of a discharge vessel for liquid such as milky lotion, shampoo, paste, and colors, when a nozzle member 8 is pressed, a bellows member 16 is contracted downward against its own elastic force to pressurize liquid in the bellows member 16 and a liquid flow passage 9. By this liquid pressurization, a discharge port member 12 is advanced against a hinge part 14 of a pressing ring 13 to expose a valve 11 of the discharge port member 12, and also the valve 11 is a little expanded and opened to discharge the liquid. Next, since when the pressing of the nozzle member 8 is released, the bellows member 16 is extended by its own reset force and also the inside of the bellows member 16 becomes under negative pressure, the discharge port member 12 is retreated also by elastic force of the hinge part 14 to cover the valve 11 with the pressing ring 13 again.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a discharge container for liquids such as cosmetic emulsion, hand cream, foundation, shampoo for shampoo, rinse, liquid toothpaste, mayonnaise, ketchup, glue, paint and the like. About.

[0002]

2. Description of the Related Art As an example, there is Japanese Utility Model Laid-Open Publication No. 61-21412. The gist is that the outer cylindrical body with a nozzle opening at the tip is assembled with the outer cylindrical body so as to be able to move forward and backward and not to come out, and the outer circumference of the tip is in close contact with the outer cylindrical body circumference. A resilient spring, a part of which retreats from the base end of the outer cylinder body, and an inner cylinder body containing a high-viscosity liquid therein, and a piston piece tightly slidably fitted in the inner cylinder body. A first valve piece disposed at the distal end of the outer cylinder, which opens when the inner cylinder is advanced and closes when retracted;
A liquid discharging container comprising: a second valve piece disposed at a tip of the inner cylinder to form a storage chamber space with the first valve piece; " That is, each valve piece is opened and closed by moving the inner cylinder body back and forth, and the liquid is discharged from the nozzle hole.

[0003]

However, in the above-mentioned prior art, a resilient spring for urging the inner cylinder body rearward is arranged in the storage chamber space. The repelling spring is generally formed of a metal material, and is easily corroded due to the metal. And since the said elastic spring is arrange | positioned in the storage chamber space, there existed a danger that corrosion might be accelerated depending on the liquid used, and it might become a liquid which is not hygienic. In addition, the use of resilient springs not only increases the price of the product, but also results in a product that is a mixture of metal and resin materials, which is an undesirable product as a recycled product that has recently been in the limelight. It was something that would be.

Further, in the above-mentioned prior art, the outer cylinder and the inner cylinder are brought into close contact with each other and are slid. However, the close contact is limited and liquid leakage may occur. In order to prevent the liquid from leaking, the close contact force must be increased, and if the close contact force is increased, the forward movement of the inner cylinder becomes heavy and the operation becomes difficult.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and comprises connecting a nozzle member having a liquid discharge port and a liquid storage chamber with an extendable bellows member. The gist is that a valve is provided above and below the bellows member in the discharge direction but not in the direction opposite to the discharge direction.

[0006]

The liquid is sucked up from the storage chamber and discharged by the expansion and contraction of the bellows member. Further, the bellows member is restored by its own elastic force and is in an extended state.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. The container main body 1 contains a soft bag 3 forming a liquid chamber (liquid storage chamber) 2 inside. Although the interior of the container body 1 may be directly used as the liquid chamber 2, the use of the soft bag body 3 is an easy means since it shrinks in accordance with consumption of the contained liquid and can prevent the intrusion of outside air. The soft bag 3 is attached to the lower peripheral wall of the mouth member 4 attached to the opening of the container body 1 by a heat seal or the like so as not to leak liquid. Mouth member 4
Is a cylindrical member having a bottom 5. An inner hole 6 communicating with the liquid chamber 2 is formed in a central portion of the bottom 5, and a first valve 7 that can be opened upward in the drawing is formed in the inner hole 6.
Is attached. The first valve 7 has a fixed ring portion 7a fixed to the bottom 5 of the mouth member 4 and a valve portion 7b.
And three arc-shaped legs 7c for connecting the fixing ring portion 7a and the valve portion 7b so as to be separated and restorable, so that even a low-viscosity liquid can be easily operated. . The valve portion b of the first valve 7 serves as a substantial outlet for the liquid from the liquid chamber 2.

A nozzle member 8 is slidably attached to the mouth member 4 with the lower part embedded in the mouth member 4 and the upper part projected from the mouth member 4. And
A liquid flow passage 9 is formed inside the nozzle member 8, and one end of the liquid flow passage is a pipe-shaped discharge port 10 through which liquid is discharged. A cylindrical discharge port member 12 (see FIG. 4) having a slit-shaped second valve 11 formed at the lower end of the discharge port 10 slidably attached to the discharge port 10 is provided as a final liquid discharge port. ing. A pressing ring 13 is disposed in front of the discharge port member 12 so as to cover the second valve 12, and the pressing ring 13 is fixed to the nozzle member 8. further,
Behind the press ring 13 (left direction in the figure), a hinge portion 14 formed in a rectangular shape is formed at a position opposed in the vertical direction (see FIG. 5), and the discharge port is formed by the hinge portion 14. The member 12 is urged rearward. Reference numeral 15 denotes a flange formed at the rear end of the discharge port member 12, and the rear end of the hinge 14 is in contact with the flange 15.

Incidentally, as the material of the discharge port member 12, silicone rubber, nitrile rubber, acrylic rubber,
Fluororubber, natural rubber, chloroprene rubber, butyl rubber, neoprene rubber, SBR, NBR, elastomer,
A rubber-like elastic body such as soft polyethylene may be used.

One end of a tubular bellows member 16 which can be extended and contracted is fixed to the other end of the liquid flow passage 9 of the nozzle member 8, and the other end is formed in the inner hole 6 of the mouth member 4. One valve 7 is fixed so as to be provided therein. The bellows member 1
Numeral 6 is extensible and elastic, and urges the nozzle member 8 upward. That is, the bellows member 16 contracts when the nozzle member 8 is pressed downward, and expands (returns) by the elastic force of the bellows member 16 when the pressing is released. Further, the bellows member, the nozzle member, and the mouth member are fixed to each other by engaging and recessing in consideration of ease of assembly, but depending on the viscosity of the liquid, the fixing may be performed by bonding or welding. As a means, the hermeticity may be further improved.

Here, the material of the bellows member is the same as that of the mouth member, such as silicone rubber, nitrile rubber, acrylic rubber, fluorine rubber, natural rubber, chloroprene rubber,
It may be a rubber-like elastic material such as butyl rubber, neoprene rubber, SBR, NBR, elastomer, or soft polyethylene, or a soft member having a single-layer structure such as PET, polyethylene, polyvinyl chloride, or nylon. . Further, the soft member may have a two-layer structure such as a member in which polyethylene is stuck to the lower surface of PET or a member in which polypropylene is stuck to the lower surface of PET. In addition, it has a three-layer structure, such as one in which PET is attached to the upper surface of an aluminum foil and polyethylene is attached to the lower surface, or one in which PET is attached to the upper surface of the aluminum foil and polypropylene is attached to the lower surface. May be. In addition, PET adhered to the lower surface of PET coated with vinylidene chloride, PET adhered to the lower surface of PET coated with vinylidene chloride, and PET adhered to the lower surface of silicon oxide coated PET A material in which polyethylene is adhered, a material in which polypropylene is adhered to the lower surface of PET coated with silicon oxide, a material in which a hot-melt resin is coated on the lower surface of PET, or the like may be used.

Next, an example of use will be described. When the nozzle member 8 is pressed, the bellows member 16 contracts downward in the drawing against its own elastic force, and the bellows member 16 and the liquid in the liquid flow passage 9 are pressurized. Due to the pressurization of the liquid, the discharge port member 12 moves forward against the resilience of the hinge portion 14 of the press ring 13, and the second valve 11 of the discharge port member 12
Is exposed and the liquid is slightly expanded and the liquid is discharged (see FIG. 6: the amount of expansion of the second valve is exaggerated in FIG. 6). Further, when the pressing of the nozzle member 8 is released, the bellows member 16 is extended by its own return force, and the inside of the bellows member 16 becomes a negative pressure. Together with this, the second valve 11 is retracted, and the second valve 11 is covered again by the holding ring 13. At this time, the first valve 7 is opened upward in the drawing, and the liquid in the liquid storage chamber 2 is sucked up into the bellows member 16 through the inner hole 6, so that the next use preparation is made. . The second valve 1 serving as the liquid discharge port of the discharge port member 12
1 is always covered with the press ring 13 so as to be sanitary, and since no external force is applied to the second valve 11, deterioration with time can be prevented as much as possible.

There are various other ways. The example shown in FIG. 7 is a second example of the present invention. The description of the same configuration as the first example is omitted. Nozzle member 17 corresponding to the first example
A receiving member 18 is attached to the top surface of the device, and a second valve 19 that opens only upward in the drawing is arranged and attached below the receiving member 18. In the center of the tray member 18, a discharge hole 1 serving as a final outlet of liquid is provided.
8a are formed. Further, a bellows member 21 having a shorter contraction property than the bellows member of the first example is fixed to the liquid flow passage 20 formed inside the nozzle member 17 and the inner hole 6 of the mouth member 4. Of course, this bellows member 21
Also have self-recovery (elasticity). In the second example, by shortening the length of expansion and contraction of the bellows member 21,
It is intended to discharge a small amount of fixed liquid. In particular, it is a discharge container effective for storing a liquid such as soap when washing hands and the like.

[0014]

According to the discharge container of the present invention, the nozzle member having the liquid discharge port and the liquid storage chamber are connected by an extendable bellows member, and are opened above and below the bellows member in the discharge direction. However, since a valve that does not open in the direction opposite to the discharge direction is provided, it can be used sanitarily and safely without corroding the liquid.Also, despite the inexpensive structure, liquid leakage etc. There is no danger of causing it.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention.

FIG. 2 is a top view showing a first valve.

FIG. 3 is an enlarged vertical sectional view of a main part of FIG. 1;

FIG. 4 is a perspective view showing a second valve.

FIG. 5 is a perspective view showing a holding ring.

FIG. 6 is a vertical sectional view of a main part showing an example of use.

FIG. 7 is a longitudinal sectional view showing a second example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container main body 2 Liquid chamber (liquid storage chamber) 3 Bag body 4 Port member 5 Bottom part 6 Inner hole 7 First valve 7a Fixed ring part 7b Valve part 7c Leg part 8 Nozzle member 9 Liquid flow passage 10 Discharge port 11 Second No. 12 Discharge port member 13 Holding ring 14 Hinge part 15 Flange part 16 Bellows member 17 Nozzle member 18 Receiving member 18a Discharge hole 19 Second valve 20 Liquid flow passage 21 Bellows member

Claims (1)

[Claims] 1. A nozzle member having a liquid discharge port and a liquid storage chamber are connected by an extendable bellows member, and are opened above and below the bellows member in the discharge direction, but opposite to the discharge direction. A discharge container provided with a valve that does not open in the direction of.