JPH1045148A - Measuring cap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a measuring cap which enables a constant amount of liquid to flow out only by turning a container upside down. SOLUTION: When a container 12 is turned upside down and an ejection port 30 faces downward, air enters an inner cylinder 16 from an air hole 36 through a vent hole 32, and liquid L flows out from the ejection port 30 to replace the air. On the other hand, the liquid L flows out of the inner cylinder 16 through a liquid hole 34 into a liquid chamber 26, and the liquid L gradually collects in the liquid chamber 26. When a liquid level in the liquid chamber 26 rises and reaches the vent hole 32, the vent hole 32 is blocked by the liquid L to prevent air from entering the inner cylinder 16 from an atmosphere. Thus the liquid L in the container 12 stops flowing out of the ejection port 30. In this manner, by limiting time when the liquid L flows from the ejection port 30 without measuring the liquid L, the amount of the liquid L to flow out can be measured.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a measuring cap which is attached to a discharge port of a container and restricts an outflow of a liquid.

[0002]

2. Description of the Related Art As shown in FIG.
Has been proposed.

The measuring cap 52 has a cylinder 56 which is press-fitted into a discharge port 54 of a container 50, and a cover plate 58 provided in the cylinder 56 seals the opening surface of the discharge port 54. I have. A pipe 60 penetrates through the center of the lid plate 58, and the inflow port 60A is immersed in the liquid L, and the outflow port 6A.
OB is located in the cylinder 56.

Here, as shown in FIG. 7, when the side of the container 50 is pushed by hand, the water pressure increases, and the liquid L in the container 50 is increased.
Overflows from the outlet 60B through the pipe 60, and the cylindrical body 56
Accumulate inside. Then, when the hand is released from the container 50, the liquid level becomes the same level as the outlet 60B as shown in FIG.
The weighing is completed.

However, the measuring cap 52 as described above is used.
Cannot be used unless the container is formed of a soft resin that is elastically deformed by pushing by hand. Further, the operation of pressing the container 50 is troublesome, and the liquid L once measured cannot be returned into the container 50.

Further, as shown in FIGS.
It is necessary to perform two operations of standing up and measuring the liquid, and inclining the container 50 to flow out of the cylinder 56, which is not convenient. Further, since the pipe 60 to be immersed in the liquid is required, the number of parts is large.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide a measuring cap capable of pouring a measured liquid only by tilting a container.

[0008]

According to the first aspect of the present invention, the discharge port of the container is sealed by the inner cylinder, and when the container is tilted, the liquid in the container is discharged from the spout provided in the inner cylinder. It is being leaked. An outer cylinder is provided on the outer peripheral surface of the inner cylinder, and constitutes a liquid chamber closed between the outer cylinder and the outer peripheral surface of the inner cylinder.

Here, when the spout of the inner cylinder is lowered, air is sent from the outside air into the inner cylinder through the liquid chamber by the outflow limiting means, and the air in the container is replaced by the air so that the liquid in the container is spouted. Flows out of

On the other hand, in the liquid chamber, the liquid gradually flows out of the inner cylinder through the outflow amount restricting means and accumulates. Then, the water level in the liquid chamber rises, the outflow limiting means is closed with the liquid, air does not enter the liquid chamber from the outside air, and the liquid in the container does not flow out of the spout.

As described above, according to the present invention, the liquid is not measured once by the measuring section and the measured liquid is discharged, but the time during which the liquid flows from the spout without measuring is limited. The liquid is measured. For this reason, a fixed amount of liquid can be discharged simply by tilting the container.

Further, by standing the container, the liquid accumulated in the liquid chamber is returned to the inner cylinder through the outflow amount restricting means. Therefore, the liquid does not accumulate in the liquid chamber and is not oxidized, and the amount of the liquid flowing out of the spout does not change even if the liquid is used repeatedly.

According to the second aspect of the present invention, a pair of holes are formed at predetermined intervals in the longitudinal direction of the peripheral wall of the inner cylinder, and a ventilation hole for communicating outside air with the liquid chamber is formed in the outer cylinder. Is formed.

Here, when the container is tilted, air enters the inner cylinder from the vent hole through one hole, the liquid in the container flows out from the spout, and the liquid chamber also passes through the other hole. Liquid flows out of the inner cylinder and accumulates.

When the water level in the liquid chamber rises and the vent hole is closed with the liquid, air does not enter from the outside air into the inner cylinder through the liquid chamber, and the liquid in the container does not flow out of the spout.

As described above, according to the present invention, the outflow amount limiting means can be constituted only by forming a hole in the peripheral wall of the inner cylinder and forming a ventilation hole in the outer cylinder. In addition, by changing the position of the vent hole or by increasing or decreasing the diameter of the hole, the rising level of the water level in the liquid chamber can be changed. That is, by changing the time until the vent is closed with the liquid, the time during which the liquid flows from the spout can be adjusted.

[0017] For this reason, a compact design is possible as compared with a conventional measuring cap that changes the measured value by increasing or decreasing the volume of the measuring section.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 and 2, a measuring cap 10 according to the present embodiment is adapted to be attached to a discharge port 14 of a hard container 12. FIG.

The measuring cap 10 has a cylindrical inner cylinder 16 which is open at the bottom. In the lower part of the inner cylinder 16,
A thick press-fit portion 16A is formed, and an O-ring 18 for waterproofing is fitted on the outer peripheral surface thereof. Also, inner cylinder 1
From 6, an annular flange 20 projects outward.

The flange 20 is connected to the mouth 14A of the container 12.
The measuring cap 10 is attached to the container 12 in a watertight state by pushing the press-fitting portion 16 </ b> A into the inside of the discharge port 14 until it hits.

A cylindrical outer cylinder 22 rises from the flange 20 so as to surround the outer peripheral surface of the inner cylinder 16 at a predetermined interval. The upper part of the outer cylinder 22 is sealed together with the inner cylinder 16 by a disc-shaped lid 24.
An annular liquid chamber 26 is configured around the inner cylinder 16 by the flange 20 and the outer cylinder 22.

A central portion of the lid 24 is formed in the inner cylinder 16 so as to be recessed into the inner cylinder 16 and is formed with a bottom wall 28A and an open top. At the center of the bottom wall 28A of the cylindrical body 28, a spout 30 through which the liquid in the container 12 flows out through the opening of the inner cylinder 16 is formed.

On the other hand, a vent hole 32 is formed in the outer cylinder 22 at a position which is substantially at the same level as the opening surface of the spout 30 when the container 12 is turned upside down so that the outside air communicates with the inside of the liquid chamber 26. ing. In addition, a liquid hole 34 is formed in the peripheral wall of the inner cylinder 16 to communicate the liquid chamber 26 with the inside of the inner cylinder 16. further,
An air hole 36 is formed in the peripheral wall of the inner cylinder 16 at substantially the same position as the surface of the flange 20.

Next, the operation of the measuring cap 10 according to this embodiment will be described. As shown in FIGS. 3 and 4, since the liquid chamber 26 communicates with the outside air through the vent hole 32,
The pressure inside and the atmospheric pressure are equal. Therefore, when the container 12 is turned upside down and the spout 30 is turned down,
The air enters the inner cylinder 16 from the air hole 36 through the air hole 36, and is replaced with the air.
Leaks out.

On the other hand, the liquid L flows from the inner cylinder 16 into the liquid chamber 26 through the liquid hole 34, and the liquid L gradually accumulates in the liquid chamber 26. Then, the water level in the liquid chamber 26 rises,
When reaching the vent hole 32, as shown in FIG.
2 is blocked by the liquid L, so that air does not enter the inner cylinder 16 from outside air. For this reason, the liquid L in the container 12
No longer flows from

As described above, without measuring the liquid L,
By limiting the time during which the liquid L flows from the spout 30, the liquid L to be discharged can be measured.
In addition, a simple operation of inverting the container 12 allows a fixed amount of the liquid L to flow out, so that the usability is good.

When the amount of the liquid L in the container 12 decreases, the flow velocity decreases, and the amount of the liquid flowing out from the spout 30 also decreases.
Is also reduced, so that the time for the liquid to flow out of the spout 30 increases. Therefore, as a result, a substantially constant amount of the liquid L always flows out of the spout 30.

When the vent hole 32 is closed with the liquid L, the pressure head difference caused by the shape of the spout 30 and the vent hole 32 is set to be equal to or less than the surface tension of the liquid L. Therefore, the liquid L does not leak from the spout 30 and the vent hole 32.

The shapes and sizes of the spout 30 and the vent 32 are experimentally set according to the type of the liquid L (eg, sake, mirin, soy sauce, liquid detergent, etc.).
As an example, in the case of water, it has been found by experiments that if the pore diameter is about 4 mm, the liquid does not flow out.

Further, by changing the position of the vent hole 32, the rising level of the water level in the liquid chamber 26 can be changed. That is, when the ventilation hole 32 is brought closer to the lid 24 side, the ventilation hole 32 is quickly closed by the liquid L.
If the vent hole 32 is formed apart from the lid 24, the time until the liquid L closes the air hole 32 becomes longer.

In other words, the amount of the liquid L flowing out of the spout 30 can be adjusted only by changing the position of the vent hole 32. Alternatively, the amount of liquid flowing into the liquid chamber 26 changes only by changing the ratio of the hole diameters of the spout 30 and the liquid hole 34, that is, the time until the vent 32 is closed changes, and the liquid L flowing out of the spout 30 changes. Can be adjusted. For this reason, a compact design is possible as compared with the conventional measuring cap.

Further, in the present embodiment, the cylindrical body 28 is recessed toward the inner cylinder 16, but it is not always necessary to be concave, and the cylindrical body 28 may be protruded outward from the inner cylinder 16.

Further, instead of the liquid hole 34 and the air hole 36,
A slit may be formed in the peripheral wall of the inner cylinder 16 along the longitudinal direction.

In the present embodiment, the description has been made on the assumption that the liquid L flows out by turning the container 12 upside down. However, the liquid L can flow out from the spout 30 even if the container 12 is tilted. Also in this case, the ventilation hole 32
The liquid L does not flow out of the spout 30 if closed, but it is preferable to use the container 12 upside down for accurate measurement.

[0035]

Since the present invention has the above-described structure, a fixed amount of liquid can be discharged simply by turning the container upside down.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a measuring cap and a container according to the present embodiment.

FIG. 2 is a cross-sectional view showing a state where the measuring cap according to the embodiment is attached to a container.

FIG. 3 is a cross-sectional view illustrating a state in which a container equipped with a measuring cap according to the embodiment is turned upside down.

FIG. 4 is a cross-sectional view illustrating a state in which a container equipped with the measuring cap according to the present embodiment is turned upside down.

FIG. 5 is a cross-sectional view illustrating a state in which a container equipped with the measuring cap according to the present embodiment is turned upside down.

FIG. 6 is a sectional view showing a state where a conventional measuring cap is attached to a container.

FIG. 7 is a cross-sectional view showing a state where a liquid is measured by a conventional measuring cap.

FIG. 8 is a cross-sectional view illustrating a state where a liquid is measured by a conventional measuring cap.

FIG. 9 is a cross-sectional view showing a state where a measured liquid is poured.

[Explanation of symbols]

 Reference Signs List 16 inner cylinder 22 outer cylinder 26 liquid chamber 30 spout 32 vent hole (outflow amount restriction means) 34 liquid hole (outflow amount restriction means) 36 air hole (outflow amount restriction means)

Claims (2)

[Claims] 1. An inner cylinder having a spout for sealing a discharge port of a container and allowing a liquid in the container to flow out, and an outer cylinder constituting a liquid chamber closed between an outer peripheral surface of the inner cylinder. When the pouring port is down, air is sent out from the outside air into the inner cylinder through the liquid chamber, and a liquid flowing out of the inner cylinder is prevented from flowing out of the liquid by the liquid accumulated in the liquid chamber. And a measuring cap having: 2. An outflow limiting means for communicating a pair of holes formed at predetermined intervals in a longitudinal direction of a peripheral wall of the inner cylinder with an outside air formed in the outer cylinder and the liquid chamber. A measuring cap comprising: a vent;