JPS62688B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides a pump pump system which pumps pressurized air from an air pump into an inner container of a container body, and uses the pressurized air to push liquid in the inner container to the outside. The present invention relates to a type liquid container.

Conventional pump-type liquid containers have a lid on the top of the container body that can be opened and closed or can be detached, and a liquid supply port that allows pressurized air from an air pump installed inside the lid to flow to the inner container inside the container body. It is configured to be force-fed into the inner container via a ventilation path in an inner stopper that is tightly fitted into the inner stopper. In a liquid container having such a structure, the inner stopper must be removed after the lid is opened or removed when supplying liquid or disposing of residual liquid, which has the problem of poor workability.

The present invention has been made in view of the above-mentioned problems, and provides a pump-up type liquid container in which the liquid supply port to the inner container can be opened and closed with a single touch operation.
The purpose of this is to facilitate the liquid supply and residual liquid treatment operations.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The pump-type liquid container of the present invention will be described below based on two embodiments shown in the accompanying drawings.

The pump type liquid container of the embodiment shown in FIGS. 1 to 3 has a container body 1 having an inner container 3 inside.
and a plug 2 for closing the liquid supply port which is detachably attached to a plug hole 12 formed in the cover member 5 constituting the upper surface of the container body 1 so as to communicate with the liquid supply port 11 of the inner container 3. It is structured accordingly.

The container body 1 includes an outer case 4 constituting an outer peripheral surface, and a cover member 5 consisting of a shoulder member 6 and a shoulder cover 7 placed and fixed on the upper part of the outer case 4.

A communication hole 13 (see FIG. 3) that communicates with the liquid supply port 11 of the inner container 3 and is tapered toward the liquid supply port 11 is formed approximately in the center of the shoulder member 6. . Further, a spouting pipe 15 having an opening 15a on the inner surface of the communication hole 13 is integrally provided in the shoulder member 3 and extends forward. This spouting pipe 15 constitutes a part of a liquid pouring passage T for leading out the liquid W in the inner container 3 to the outside, and has a spout 16 at its tip which has a decompression chamber 17 for preventing splash.
is connected.

A large-diameter upper cylinder wall 19 and a small-diameter lower cylinder wall 20 are formed approximately in the center of the shoulder cover 7, and are connected by a stepped portion 18. The inner side is a stopper insertion hole 21. This plug insertion hole 21 is located directly above the communication hole 13, and both holes 13 and 21 are combined to form the plug hole 12. A large pitch internal thread 22 with a rectangular cross section is cut into the inner surface of the lower cylindrical wall 20. Further, an annular notch groove 24 is formed in the step portion 18 in the circumferential direction thereof, into which a pressing leg 23 of a pump pressing member 10, which will be described later, is inserted.

An annular chamber 25 is formed between the shoulder member 6 and the shoulder cover 7 so as to surround the lower cylindrical wall 20. The annular chamber 25 becomes a space for accommodating an air pump 26 having a compressible and expandable air chamber 8 for blowing pressurized air into the inner container 3.

The air pump 26 is constructed by interposing a bellows-type elastic membrane 28 between a pump upper plate 27 tightly fitted into the lower cylinder wall 20 so as to be vertically slidable and the upper surface of a shoulder member 6 which also serves as a pump bottom plate. It is formed into a donut shape, and the inside thereof is an air chamber 8. A suction port 30 is formed on the pump upper plate 27, and a discharge port 31 is formed on the upper surface of the shoulder member 6. In this embodiment, the discharge port 31 communicates with the inside of the inner container 3 via a ventilation hole 32 formed in the shoulder member 6.
Reference numeral 33 is a coil spring for pump expansion.

On the other hand, the plug body 2 is composed of a lower plug part 34 inserted into the liquid supply port 11 and an upper plug part 35 which is hollow inside and is connected to the upper part of the lower plug part 34.

The outer periphery of the upper plug part 35 is provided with an external thread 36 that engages with the internal thread 22 on the inner surface of the lower cylinder wall 20, and the communication hole 13 is formed on the outer periphery of the lower end of the upper plug part 35. An annular packing 37 with a tapered outer surface is attached so that it can be closed airtight.

A disc-shaped pressing member 10 is fitted into the opening 38 of the upper stopper 35 so as to be vertically slidable. An annular pressing leg 23 is vertically provided on the outer periphery of the lower surface of the pressing member 10. The air pump 26 passes through the notch groove 24.
The upper plate 27 can be pressed.

This pressing member 10 is urged upward by a spring 41 and is positioned by engaging the lower end of the pressing leg 23 in an annular notched groove 40. Note that an annular packing 42 is attached to the lower end of the pressing leg 23 to prevent air leakage.

A valve element 45 is attached to the center of the pressing member 10 to open and close the water passage 44 in the lower plug part 34 by penetrating the bottom part 43 of the upper plug part 35.

A stretchable membrane 29 made of elastic rubber or the like is interposed between the pressing member 10 and the bottom portion 43 of the upper stopper so as to surround the valve body 45. That is, the pressing member 10, the upper plug part 35, and the elastic membrane 29 form an air pump 46 that uses the internal space of the upper plug part 35 as an air chamber 9.

In the air pump 46, the annular notched groove 40 serves as an inlet port, while the discharge port 47 communicates with the interior of the inner container 3 via a lower plug inner cavity 48.

A pumping pipe 14 that opens near the bottom of the inner container 3 and communicates with a lower plug passageway 44 is connected to the center of the lower part of the lower plug part 34 .

A water passage 49 is formed in the bottom part 43 of the upper plug part 35 and communicates with the lower plug part water passage 44 . It has an opening 49a. The tip opening 49a of this water passage 49 connects the plug body 2 to the plug hole 12.
It is opened at a predetermined position so as to communicate watertightly with the opening 15a of the spouting pipe 15 when inserted into the spout.

That is, a series of liquid injection passages T are formed by the pumping pipe 14, the water passages 44, 49, the spouting pipe 15, and the spout 16.
is made up of.

The valve body 45 has its lower end 45a connected to the passageway 4.
By engaging with a valve seat 50 formed in a communicating portion between 4 and 49, the space between the water passages 44 and 49 is closed, and the valve opens as the pressing member 10 descends. There is. Then, the upper plug part 35 and the lower plug part 34 of the plug body 2 are integrated by the engagement between the lower end part 45a of the valve body and the valve seat 50 and the engagement between the lower end of the pressing leg 23 and the annular notch groove 40. There is.

In addition, reference numeral 51 is a knob of the plug body 2, 52 is a heat insulating material, and 53 is a stopper which engages with a claw 54 protruding from the upper plate 27 of the air pump 26 to disable the air pumps 26, 46.

Next, to explain how to use this pump-type liquid container and its function, first, when supplying liquid into the inner container 3, as shown in FIG. If it is pulled out, the stopper 2 and the pumping tube 14 can be removed with a single touch operation, and the liquid can be easily supplied into the inner container 3 through the stopper hole 12. Note that residual liquid treatment can also be performed by the same operation as described above. Then, insert the plug body 2 into the plug hole 12.
The annular gasket 37 of the upper plug portion 35 is then tightened with the screws 22 and 36.
closes the communication hole 13 airtightly, and the tip opening 49a of the water passage 49 closes the inner end opening 1 of the spouting pipe 15.
5a and communicate with each other.

When pouring out the liquid W in the inner container 3, rotate the stopper 53 to release the air pump upper plate 27.
When the pressing member 10 is pressed after disengaging from the air pump 46, the air chamber 9 of the air pump 46 is compressed, as shown in FIG.
The air chamber 8 of the air pump 26 is compressed by this. Then, pressurized air from the air pump 46
At the same time that A ₂ is blown into the inner container 3 from the lower plug inner cavity 48, pressurized air from the air pump 26 is blown into the inner container 3.
A ₁ is blown into the inner container 3 through the ventilation hole 32 . On the other hand, at the same time, the valve body 45 is opened and the lower plug part passageway 44 and the passageway 49 are brought into communication. Therefore, the pressurized air blown into the inner container 3
A ₁ , A ₂ causes the content W to be injected to the outside through a series of liquid injection passages T consisting of the pumping pipe 14 , the lower plug passage 44 , the passage 49 , the pouring pipe 15 and the spout 16 . Served.

When you release your hand from the pressing member 10, the air pump 2
6 and 46 are springs 33 and 41, respectively.
At the same time, the valve body 45 is expanded and returned to its original state, and the valve body 45 closes.

In the case of this pump pump type liquid container, the pressing member 1
Since the air pumps 26 and 46 are compressed almost simultaneously by the zero pressing operation, the amount of air discharged in one stroke of the pressing member 10 can be significantly increased.

In this pump-up type liquid container, the stopper 2 is a so-called screw stopper, and the stopper 2 can be tightened against the cover member 5, so even if the container is accidentally tipped over, the upper stopper can be removed. The sealing action of the annular packing 37 and the blocking action of the valve body 45 can effectively prevent the contents W from rapidly leaking to the outside.

4 and 5 show other embodiments of the invention.

In this embodiment, an annular sliding member 55 is vertically disposed on the inner end of the upper plate 27 of the air pump 26, and the annular sliding member 55 is moved against the outer periphery of the lower cylindrical wall 20 of the shoulder cover 7 between the two. ₁ and is loosely fitted. The annular space _S1 serves as an inlet and an outlet for the air pump 26.

Further, in this embodiment, the plug body 2 is connected to the lower plug part 3.
An air pump 46 having an air chamber 9 is interposed between the upper stopper 4 and the upper stopper 35.

The bottom plate 56 of the air pump 46 also serves as a lower plug connecting member, and has a cylindrical body 5 protruding from the center thereof.
7 to the bottom portion 43 of the upper plug portion, it is integrated with the upper plug portion 35.

The upper plate 58 of the air pump 46 is loosely fitted into the cylindrical body 57.

A bellows-type extensible membrane 29 is interposed between the bottom plate 56 and the top plate 58 of the air pump 46 so as to surround the cylindrical body 57.

Further, an annular wall body 5 is provided on the upper surface of the outer end of the bottom plate 56 and the lower surface of the outer end of the upper plate 58 of the air pump 46.
9 and 60 are provided protrudingly, one annular wall body 60
is loosely fitted to the outer periphery of the other annular wall body 59 so as to form an annular gap _S2 therebetween. The annular space _S2 serves as an inlet and an outlet for the air pump 46.

The annular wall body 60 and the lower cylindrical wall 20 of the shoulder cover 7
An annular gap _S3 is also formed between the two. Therefore, between the annular wall body 59 and the lower cylindrical wall 20, the air discharged from the air pumps 26 and 46 A ₁ , A ₂
(See Figure 5) Annular ventilation passage 61 for merging
is formed. The annular air passage 61 communicates with the inside of the inner container 3 via the air hole 32 of the shoulder member 6.

Further, a flange portion 62 is formed on the outer peripheral edge of the upper surface of the upper plate 58 of the air pump 46, and the flange portion 62 is connected to the upper plate of the air pump 26 via a packing 63 attached to the lower surface of the flange portion 62. 27 in an airtight manner.

Further, the flange portion 62 is brought into contact with the lower end of the pressing leg 23 passing through the bottom portion 43 of the upper plug portion 35, and the air pump 26,
46 are driven almost simultaneously.

In this case, an appropriate number of pressing legs 23 may be formed as desired. The plug body 2 is tightened by screwing together an internal thread 22 carved into the upper cylindrical wall 19 of the shoulder cover 7 and an external thread 36 carved into the outer periphery of the upper plug part 35. Further, there is no need to form a ventilation lumen 48 (see FIG. 1) in the lower plug portion 34, and a water passage 49 is formed in the bottom plate 56 of the air pump 46.

The method of use and operation of the pump-type liquid container in this embodiment is almost the same as in the embodiment shown in FIGS. 1 to 3, and the air pump 26,
The only difference is that the 46 discharged air A ₁ and A ₂ are combined in an annular air passage 61 and blown into the inner container 3.

It should be noted that the present invention is not limited to the above-mentioned embodiments, and it goes without saying that the design can be changed as appropriate without changing the gist of the invention.

Next, the effects of the pump-type liquid container of the present invention will be described.

That is, according to the present invention, in the pump type liquid container, the cover member 5 constituting the upper surface of the container body 1 has a stopper hole 12 that communicates with the liquid supply port 11 of the inner container 3.
is formed, and the plug 2 that closes the plug hole 12 is removably tightly fitted into the plug hole 12, so that the liquid supply port 11 of the inner container 3 can be opened with one touch by attaching and removing the plug 2. It can be opened and closed by operation, and has the practical effect of significantly improving workability during liquid supply and residual liquid treatment.

[Brief explanation of the drawing]

FIG. 1 is a vertical sectional view of the upper part of a pump-type liquid container according to an embodiment of the present invention, FIG. 2 is an explanatory diagram of the operation of the pump-type liquid container of FIG. 1, and FIG.
FIG. 1 is a vertical cross-sectional view showing a state in which the plug is removed from the pump-type liquid container; FIG. 4 is a vertical cross-sectional view of the top of the pump-type liquid container according to another embodiment of the present invention; and FIG. FIG. 5 is an explanatory diagram of the operation of the pump-type liquid container shown in FIG. 4; 1... Container body, 2... Stopper, 3... Inner container,
5...Cover member, 11...Liquid supply port, 12...Bung hole, 26, 46...Air pump, T...Liquid injection passage.

Claims (1)

[Claims] 1 Air pump 2 placed at a suitable location in the container body 1
Pressurized air from 6, 46 is sent to the inner container 3 in the container body 1, and the pressurized air leads the liquid in the inner container 3 to the outside through a series of liquid injection passages T. In the pump type liquid container, a plug hole 12 communicating with the liquid supply port 11 of the inner container 3 is formed in the cover member 5 constituting the upper surface of the container body 1, and the plug hole 12 is provided with a plug hole 12 that communicates with the liquid supply port 11 of the inner container 3. A pump-type liquid container characterized in that a stopper 2 for closing the container is removably tightly fitted.