JPH072266A - Liquid takeout valve for sealed container - Google Patents

Abstract

PURPOSE:To take out liquid in a sealed container without pulsation and remainder by a method wherein a turning device which is mounted on a valve inner cylinder of a valve opens and closes a liquid passage and an air passage simultaneously to allow them to communicate with the inside of time container. CONSTITUTION:A valve inner cylinder 3 is turned by a turning device 6 to allow large diameter liquid passages 11-13 and small diameter air passages 21-23 that are formed by the valve inner cylinder 3 and a valve outer cylinder 4 to communicate with an inside 9 of a sealed container 5 and an outside air 10. When the sealed container 5 is tilted, liquid flows out from a liquid outlet 13 after passing through the liquid outlet 11 and the liquid passage 12. An amount of the outside air 10 corresponding to the amount of liquid discharged flows into the inside 9 of the sealed container 5 from the air intake 21 through the air passage 22 and the air outlet 23. Therefore, a pulsation phenomenon caused by an outflow of the liquid does not occur. As the valve outer cylinder 4 is screwed in a cover 51 of the sealed container 5, the upper face of the liquid inlet 11 can be leveled with the inner face of the cover 51. As a result, the whole amount of the liquid in the sealed container 5 can be taken out.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid container for a liquid container such as crude oil, petroleum, water and the like, which is used for storing liquid products, and more particularly to a liquid inlet / outlet valve for a sealed container suitable for drums.

[0002]

2. Description of the Related Art When a liquid stored in a sealed container is taken out, for example, when oil is taken out from a drum can, the oil can is taken out from the outlet of the drum can by tilting the drum. If the drum can has only one outlet, the drum can is a sealed container, so when a certain amount of oil flows out, a space corresponding to the amount of oil outflow is created, and the space inside the drum can becomes depressurized and the oil outflow stops. Then, air enters the space from the outlet, the space is pressurized, and a certain amount of oil flows out again. And
The wider space is decompressed and oil spills stop.
After that, air enters from the outlet to increase the pressure in the wider space to let out the oil. After that, oil is taken out from the drum while repeating the same operation.
The so-called oil outflow from the drum can and the air inflow into the drum can alternately, and the oil flows out while pulsing.

When the outflow of oil from the drum can is stopped, the drum can is set up to stop the outflow of oil. In the case of taking out the liquid stored in such a conventional sealed container such as a drum can, it is difficult to quantitatively take out the liquid from the sealed container because the liquid flows out while pulsing. Moreover, it lacks accuracy. In the case of manual work, the timing of raising the drum after tilting it is particularly difficult and requires skill, and this work is dangerous.

As described above, according to the prior art, as a countermeasure against this problem, an ordinary valve was attached to the sealed container, that is, the outlet of the drum can to solve the problem. However, when the pressure is reduced, the problem still remains. , The liquid in the sealed container, that is, oil, disappeared, the drum was stood up, air was put, and tilted again to take out oil.

As another measure, there is a method of installing a drum pump and forcibly sucking up and taking out oil. In this case, there is certainly no such pulsation phenomenon of oil, but problems such as when electricity etc. is required as the drive source pressure of the drum pump and problems when oil remains at the bottom of the drum can. There is.

[0006]

DISCLOSURE OF THE INVENTION The present invention is intended to solve the above-mentioned problems of the prior art, and eliminates the pulsation phenomenon that occurs when the liquid is taken out from the sealed container, , Can be taken out accurately. There is no need for skill or danger in the timing of manual operation, no drum pump is required, no electricity is used, and liquid remains at the bottom of the sealed container at the bottom of the drum can. The present invention provides a liquid inlet / outlet valve in a sealed container.

[0007]

According to the present invention, in order to solve the above-mentioned problems, a hermetically sealed container, a valve outer cylinder screwed to a lid of the hermetically sealed container, and a rotatable valve outer cylinder. A valve inner cylinder tightly fitted to the valve, and a large-diameter liquid passage formed by the valve outer cylinder and the valve inner cylinder and a small-diameter air by rotating the rotation means provided in the valve inner cylinder. A hermetically sealed container, characterized in that it has a structure that allows the passage to be simultaneously opened and closed in the hermetically sealed container, and a structure that the upper surface of the liquid inlet portion of the liquid passage matches the inner surface of the lid of the hermetically sealed container. 2 is a configuration of the liquid inlet / outlet valve sealed container in FIG.

[0008]

Since the liquid inlet / outlet valve of the hermetically sealed container according to the present invention has the above-described structure, the pivoting means provided on the valve inner cylinder is rotated while the hermetically sealed container is upright. Since a large-diameter liquid passage and a small-diameter air passage formed by the valve outer cylinder and the valve inner cylinder can be simultaneously opened and closed in the hermetically sealed container, so that when the liquid is put in the hermetically sealed container, If the rotating means is rotated to simultaneously open the large-diameter liquid passage and the small-diameter air passage so that the inside of the sealed container and the outside air are communicated with each other and flow into the sealed container from the liquid passage, the air in the sealed container is released. It will be discharged from the small-diameter air passage. Then, the liquid is stored in the sealed container.

Further, when the liquid in the hermetically sealed container is taken out, the valve outer cylinder and the valve are provided by rotating the rotating means provided on the inner valve cylinder with the hermetic container standing upright or inclined. The large-diameter liquid passage and the small-diameter air passage formed by the inner cylinder are opened simultaneously (see FIG. 2). The inside of the sealed container is communicated with the outside air, and then the sealed container is tilted and taken out from the liquid outlet without pulsing the liquid. Of. At this time, an amount of air corresponding to the reduction of the amount of liquid in the sealed container enters the sealed container through the air passage. Then, the liquid is taken out smoothly from the sealed container. Moreover, since the upper surface of the liquid inlet of the liquid passage is aligned with the inner surface of the lid of the hermetic container, the liquid in the hermetic container can be completely taken out without remaining.

Furthermore, by rotating the rotating means, the large-diameter liquid passage and the small-diameter air passage formed by the valve outer cylinder and the valve inner cylinder are simultaneously closed (see FIG. 3). When the communication between the air and the outside air is cut off, the liquid in the sealed container does not flow out.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a liquid inlet / outlet valve in a hermetically sealed container according to the present invention will be described with reference to the drawings. The liquid inlet / outlet valve in the hermetically sealed container includes a hermetically sealed container 5 and a lid 5 of the hermetically sealed container 5.
To rotate the valve outer cylinder 4 screwed to the valve 1, the valve inner cylinder 3 that is rotatably and tightly fitted to the valve outer cylinder 4, and the rotation means 6 provided on the valve inner cylinder 3. Therefore, the large-diameter liquid passages 11, 12, 13 and the small-diameter air passages 21, 22, 23 formed by the valve outer cylinder 4 and the valve inner cylinder 3 can be simultaneously opened and closed in the sealed container. The liquid inlets 11 of the liquid passages 11, 12 and 13 are arranged so that their upper surfaces are aligned with the inner surface of the lid 51 of the hermetically sealed container 5.

The structure, action and effect of one embodiment of the liquid inlet / outlet valve of the hermetically sealed container of the present invention will be described in more detail with reference to FIGS. 1, 2, 3 and 4. The sealed container 5 of FIG. 4 is illustrated as a drum. As shown in FIGS. 1 and 4, the valve outer cylinder 4 of the liquid inlet / outlet valve is screwed to the hermetically sealed container, that is, the lid 51 of the drum can 5 by the screw portion 7. The valve inner cylinder 3 is rotatably and tightly fitted to the valve outer cylinder 4 via a packing 8. This rotation is performed by the rotation means 6 fixed to the inner valve cylinder 3. 1 and 2, the large-diameter liquid passages 11, 12, 13 formed by the valve inner cylinder 3 and the valve outer cylinder 4 by the rotating means 6 and the small-diameter air passages 21, 22, 23 are shown. The inside 9 of the sealed container 5 and the outside air 10 communicate with each other. That is, the valve inner cylinder 3 is provided with a large-diameter liquid passage 12 along the axis thereof, and the upper end portion thereof is open to the liquid outlet portion 13,
The lower end portion thereof is bent in the lateral direction, and a liquid inlet portion 11 is formed so as to coincide with a large-diameter lateral hole provided in the lower portion of the valve cylinder 4. When the sealed container 5 is tilted, the liquid in the sealed container 5 passes through the liquid passage portion 12 from the liquid outlet portion 11 and flows out from the liquid outlet portion 13. (See FIG. 4) Then, the pulsation phenomenon described below does not occur while weighing with the weighing meter 14, so that it can be accurately taken out.

Two small-diameter air passage portions 22 are vertically arranged side by side in the peripheral wall of the liquid passage portion 12 of the valve inner cylinder 3, and the lower end is an open end. The flange portion of the inner valve cylinder 3 is held from the outside of the outer valve cylinder 4 via a ring so that a narrow gap exists between the bottom plate of the inner cylinder 3 and the bottom plate of the outer cylinder 4 that is tightly fitted to the inner cylinder 3. It is screwed into the protruding edge so as to be rotatable. When the liquid in the sealed container 5 flows out to the outside air side 10 from the large-diameter liquid outlet portion 13 as described above, the air on the outside air side 10 corresponding to the outflow amount penetrates the flange portion of the valve inner cylinder 3. Through an air passage portion 22 having a diameter smaller than that of the small-diameter air inlet portion 21, which is a closed hole, and an air outlet portion 23 formed by a small-diameter through hole in the central portion of the bottom plate of the valve outer cylinder 4.
It will flow into the inside 9 of the sealed container 5 more. Therefore, the pulsation phenomenon due to the outflow of the liquid from the sealed container 5 does not occur.

Therefore, large-diameter liquid passages 11, 12, and 13 and small-diameter air passages 21 and 2 as shown in FIGS.
From the state in which 2 and 23 communicate with the outside air side 10, the rotating means 6
When the valve inner cylinder 3 is rotated to the position shown in FIG.
The liquid inlet portion 11 is closed by the inner peripheral wall of the valve outer cylinder 4, and at the same time, the air passage portion 22 is also closed, so that the inside 9 of the sealed container 5 is closed.
Loses communication with the outside air side 10.

Therefore, even when the liquid is being taken out by inclining the sealed container 5, if the rotating means 6 rotates the valve inner cylinder 3 to the state shown in FIG. Can be stopped. This operation is simple and easy and does not require any skill. Moreover,
There is little danger. To take out the liquid again, if the rotating means 6 is set to the state shown in FIG. 2, the liquid and the air flow at the same time.

Moreover, the liquid inlet / outlet valves are the liquid passages 11, 1
The upper surfaces of the liquid inlet portions 2 and 13 are lids 5 of the sealed container 5.
1 has a structure to match the inner surface of 1, that is, the valve cylinder 4 is screwed to the lid 51 of the sealed container 5, so that the upper surface of the liquid inlet portion 11 is It can coincide with the inner surface of the lid 51. For this reason, when the liquid is taken out from the sealed container 5, the sealed container 5 should be placed upside down so that the large-diameter liquid passages 11, 12, 13 and the small-diameter air passages 21, 22, 23 are communicated with the outside air side 10. All the liquid in the sealed container 5 can be taken out. And there is no liquid remaining.

When the liquid is put in the sealed container 5, the large diameter liquid passages 11, 12, 13 and the small diameter air passages 21, 22, 23 are connected to the outside air side 10 and the large diameter liquid outlet is provided. When the liquid is introduced from the portion 13, the air corresponding to the inflow amount of the liquid in the sealed container 5 has a small diameter air passage 21,
As it flows out via 22, 23, the liquid flows into the smooth.

As shown in FIG. 1, the liquid outlet portion 13 is continuously screwed to the liquid passage portion 12 of the valve inner cylinder 3, but when the liquid is not taken out from the hermetic container 5, the cap having a low height is used. By screwing instead of the liquid outlet portion 13, it is possible to prevent dust from accumulating in the liquid passage portion 12, and it is convenient to store because the sealed containers 5 can be stacked vertically without any problem. Further, if a stopper is provided at an appropriate position in order to regulate the turning range of the turning means 6, the operation of the turning means 6 becomes easy.

[0019]

The liquid inlet / outlet valve of the hermetically sealed container according to the present invention has a valve main body whose main body is screwed to the lid, a valve inner cylinder rotatably and tightly fitted to the valve outer cylinder, and a valve. By rotating the rotating means provided in the inner cylinder, the large-diameter liquid passage and the small-diameter air passage formed by the valve outer cylinder and the valve inner cylinder can be simultaneously opened and closed in the sealed container. And a structure in which the upper surface of the liquid inlet of the liquid passage is made to coincide with the inner surface of the lid of the hermetic container, which is compact and can be installed in a hermetic container such as a drum. It is easy to attach and detach because it is only screwed to the lid.

By rotating the rotating means provided in the valve inner cylinder, the large-diameter liquid passage and the small-diameter air passage formed by the valve outer cylinder and the valve inner cylinder are simultaneously placed in the sealed container. Since it has a structure that allows communication to be opened and closed, when liquid is taken out from the large-diameter liquid passage of the sealed container, air corresponding to the amount of the taken-out liquid flows into the sealed container from the small-diameter air passage. It is convenient, for example, to take out the liquid while flowing out into the smooth and without pulsating and measuring as shown in FIG. 4, and the labor can be saved.

Even when compared with a drum pump, electricity is not required as a drive source, the device is simple and the cost is low.

The liquid inlet / outlet valve in the sealed container of the present invention is
The simple structure allows easy disassembly and cleaning.

The liquid inlet / outlet valve in the sealed container of the present invention is
Since the upper surface of the liquid inlet of the liquid passage is made to match the inner surface of the lid of the sealed container, if the container is placed upside down and the liquid is taken out, all the liquid in the sealed container will be taken out. There is no liquid that can be left behind.

[Brief description of drawings]

FIG. 1 is a side sectional view of an embodiment of a liquid inlet / outlet valve in a sealed container according to the present invention.

FIG. 2 is a plan view in section taken along the line AA of FIG. 1, showing a state in which a liquid passage and an air passage are open.

FIG. 3 is a plan view showing a state in which a liquid passage and an air passage are closed.

FIG. 4 is an explanatory diagram of a case where a liquid is taken out from a sealed container while being measured.

[Explanation of symbols]

 11 ... Liquid inlet portion 12 ... Liquid passage portion 13 ... Liquid outlet portion 21 ... Air inlet portion 22 ... Air passage portion 23 ... Air outlet portion 3 ... Valve inner cylinder 4 ... Valve outer cylinder 5 ... Sealed container (drum can) 51 ... Lid body 6 ... Rotating means 7 ... Screw part 8 ... Packing 9 ... Inside 10 ... Outside air side 14 ... meter

Claims (1)

[Claims] 1. A hermetically sealed container, a valve outer cylinder screwed to a lid of the hermetically sealed container, a valve inner cylinder rotatably and tightly fitted to the valve outer cylinder, and a valve inner cylinder. A structure in which a large-diameter liquid passage and a small-diameter air passage formed by the valve outer cylinder and the valve inner cylinder can be simultaneously opened and closed in the sealed container by rotating the rotating means, and a liquid passage And a structure in which the upper surface of the liquid inlet section of the above-mentioned structure is made to coincide with the inner surface of the lid body of the hermetically-sealed container.