JPS5938202Y2 - Pump type liquid container - Google Patents

Description

[Detailed description of the invention] The present invention relates to a pump-filling type liquid container in which the liquid in the liquid container can be poured out to the outside by pressurized air from an air pump disposed above the liquid container. More specifically, the present invention relates to a pump-filling type liquid container equipped with a liquid pouring passage opening/closing mechanism for opening and closing part of the liquid pouring passage in conjunction with the operation of an air pump.

FIG. 1 shows an example of a pump liquid injection pot with a liquid pouring passage opening/closing mechanism. In the pump liquid injection pot shown in FIG. Inner plug 11 that contracts and uses the pressurized air as a relay member
The liquid passage 1 in the inner stopper 11 is blown into the liquid container (medium bottle) 5 through the air passage 12 formed inside the inner stopper 11 by the push rod 39 which moves up and down in conjunction with the drive of the air pump 10.
The liquid passage 13 in the stopper is opened by pushing down the valve element 14 disposed in the inner bottle 5, thereby allowing the liquid W in the medium bottle 5 to flow into the liquid pumping pipe 21.3. The liquid can be poured to the outside through the liquid passageway 13 in the stopper, the liquid pouring pipe 22, and the auxiliary pouring pipe 23 disposed below the spout, and when the pump is stopped, the valve body 14 is inserted into the liquid passageway 13 inside the stopper. By closing the valve seat 18 formed in the middle bottle 5 when the pot falls over
It is configured to prevent the liquid W inside from flowing out to the outside through a series of liquid pouring passages.

The valve element 14 for opening and closing the liquid passage 13 in the stopper is arranged such that its valve stem 16 is exposed upward through a hole 17 formed in the upper part of the inner stopper 11. A three-pronged flexible membrane gasket 51 is attached to cover and seal the insertion protrusion 17 from above, and a pump discharge port 34 and an air passage 12 in the plug are provided on the lower surface of the bottom plate 32 of the air pump 10. An annular packing 52 for airtight communication between
is installed.

However, in the pot shown in FIG.
Since the number of parts and the airtight packing 5 are
1.52, and because the membrane-like packing 51 for sealing the valve stem insertion hole 17 is attached to the inner plug 11 side, the inner plug 10 is relatively frequently cleaned.
There have been problems such as the membrane packing 51 coming off and being lost during cleaning, or being damaged when the inner stopper 10 is attached or removed or washed because the membrane packing 51 is made of a soft material.

The present invention has been made to improve the above-mentioned problems.The present invention has been made in order to improve the above-mentioned problems, and has a valve stem inserted into the bottom plate of the air pump, which allows airtight communication between the pump discharge port and the air passage inside the plug, and which is formed on the top surface of the inner plug. To provide a pump injection type liquid container which can reduce the number of parts and assembly man-hours by installing a single gasket capable of sealing a hole, and can prevent the gasket from being lost or damaged. The purpose is to

The pump-filling type liquid container of the present invention will be explained below based on the illustrated embodiment. The pump-filling type liquid container of the present invention shown in FIG. A pot body 1 that houses a bottle 5 and further has a lower mouth member 6 mounted and fixed on the upper part of an outer case 4, and a liquid pump that extends downward to an inner stopper 11 that serves as a relay member between the liquid container 5 and the air pump 10. It is taken over by a liquid guiding pipe unit 8, which has a pipe 21 and a liquid pouring pipe 22 extending laterally, and a cover 2, which houses a bellows-type air pump 10 therein.

The cover 2 is pivotally attached to the upper part of the pot body 1 by a hinge 3.

The lower mouth member 6 is formed into a dish shape, and a stopper insertion hole 7 communicating with the upper opening of the medium bottle 5 is formed approximately in the center thereof.

The inner plug 11 of the liquid guiding pipe unit 8 is removably fitted into the plug insert 67.

The inner stopper 11 is a cylindrical body having a top wall 25, and has an air passage 12 extending therethrough in the vertical direction and a liquid passage 13 extending therethrough in the shape of .

The air passage 12 in the stopper is for communicating between the air pump 10 and the inside of the medium bottle 5, and the liquid passage 13 in the stopper is for connecting the liquid pumping pipe 2.
1 and the liquid spouting pipe 22 to each other.

A dispensing auxiliary pipe 23 extending downward is connected to the tip opening 22a of the liquid dispensing pipe 22, so that the liquid W can be dispensed from the middle position of the pot during pouring.

In addition, the liquid pumping pipe 21. Liquid passage in the stopper 13, liquid pouring passage 2
2 and the auxiliary pouring pipe 23 occupy the liquid pouring passage 9 for pouring out the liquid W in the medium bottle.

A valve body 14 for opening and closing the liquid passage 13 inside the stopper is disposed in the middle of the liquid passage 13 inside the inner stopper 11 .

This valve body 14 includes a valve portion 15 and a valve stem 1 that projects upward.
6, and the valve portion 15 is brought into contact with a valve port 18 formed in the liquid passage 13 in the stopper from below.

A spring 20 for pushing up the valve element is disposed below the valve part 15, so that the valve port 18 is closed by the valve part 15 when the pump is stopped.

The upper part of the valve body valve stem 16 is exposed upward through a valve stem receiving 17 formed on the upper surface of the inner plug 11.

An annular projecting wall 19 is provided on the upper surface of the inner plug 11 around the valve stem receiving 17.
is formed.

This annular projecting wall 19 comes into contact with a packing 40, which will be described later, and functions to seal the valve stem receiving part 17.

The air pump 10 housed in the lid 2 is driven and suppressed by a pump push plate 30 disposed on the top of the pump top plate 31.

A suction port 33 is formed in the center of the pump top plate 31, and a suction valve 35 having a vertically elongated guide cylinder 36 is disposed in the suction port 33.

This suction valve guide cylinder 36 is for guiding a push rod 39 for pushing down the valve body 14, and the valve body push rod 39 is held in the suction valve guide cylinder 36 so as to be slidable in the vertical direction.

This push rod 39 is supported in a downwardly biased state by a push rod pushing down spring 37 interposed between the push rod 39 and the lower surface of the pump push plate 30.

The lower end of the push rod 39 penetrates the pump bottom plate 32 and protrudes to a position immediately above and close to the valve rod 16 of the valve body 14 provided in the liquid passage 13 in the stopper.

When the push rod 39 presses the pump push plate 30, it is urged by the spring 37 for pushing down the valve rod as shown in FIG. It acts to push down against the push-up spring 20.

Note that when the valve body 14 is pushed down until it comes into contact with the pedestal 29 provided in the liquid passageway 13 inside the stopper, the push rod 39 cannot move down any further and only the pump top plate 31 and the suction valve 35 are pushed down. It has become.

A pump discharge port 34 is formed in the pump bottom plate 32 at a position corresponding to the artificial opening 26 of the in-stop air passage 12.

An annular protrusion 38 is formed on the lower surface of the pump bottom plate 32 for attaching a packing 40 to the outside of the pump discharge port 34, and a disc-shaped packing 40 is fitted into the protrusion 38.

Note that this gasket 4o is attached to cover the lower end of the push rod 39 from below.

The packing 40 connects the pump outlet 34 and the air passage 12 inside the stopper.
The top wall 2 of the inner stopper 11 is connected to the outside air in an airtight manner.
The seal 40 has a thick outer circumferential portion 41 and a noodle-shaped flexible material to surround the valve stem water receiver 17 formed in the valve stem water receiver 17. It is manufactured by integrally forming a thin film-like seal ring portion 42 and a thick-walled center portion 43.

When the lid is closed, the outer peripheral portion 41 of the gasket 40 comes into contact with the upper surface of the inner plug 11 from the upper end opening of the air passage 12 inside the plug, and the seal ring portion 42 is an annular projecting wall formed on the top wall 25 of the plug. 19, and the center portion 43 is in contact with the valve body valve stem 16.
It is designed to come into contact with the top edge of the

Note that the seal ring portion 42 of the packing 40 has an annular projecting wall 19 at a position corresponding to the annular projecting wall 19 on the inner stopper top wall 25.
An annular groove 44 facing one L is formed which can be fitted into the
When the packing center portion 43 is pushed down by the push rod 39 that is moved down when the pump is pressed, the annular groove 44
is brought into closer contact with the annular projecting wall 19 to ensure airtightness between the two.

Further, an air vent hole 45 is formed in the gasket 40 at an intermediate position between the pump discharge port 34 and the air passage hole 26 in the plug.

Next, to explain the function of this pump injection type pot, when the pump push plate 30 is pressed, the air pump 10 contracts as shown in FIG. The air is blown into the medium bottle 5 through the hole 45 and the air passage 12 in the stopper.

At this time, the valve body 14 is pushed down by the push rod 39 to open the valve port 18 in the liquid passage 13 in the stopper, and the medium bottle 5 is opened.
The liquid W inside the medium bottle is pumped up by the pressurized air blown into the liquid pumping pipe 21. The liquid is poured out to the outside through a series of liquid pouring passages 9 consisting of an internal liquid passage 13, a liquid pouring tube 22, and a pouring auxiliary tube 23.

Note that when the pump is pressed ('-'), the center part 43 of the seal is pressed by the push rod 39, so the adhesion between the seal ring part 42 of the seal and the annular projecting wall 19 on the top wall 25 of the inner plug is good, and the air is The pressurized air from the pump 10 and the liquid W in the medium bottle to be poured out are prevented from mixing with each other.

Furthermore, when the air pump 10 is at rest, the valve body 14 always closes the valve port 18 by the spring 20 for pushing up the valve body, so even if the pot is accidentally overturned, the liquid W in the bottle flows through the series of liquid pouring passages. Since the outside air does not flow out through the liquid pouring passage 9 to the outside, and the outside air does not flow into the inner bottle 5 through the liquid pouring passage 9, it is possible to prevent the heat retention ability from decreasing.

When pouring liquid into the medium bottle 5 or after cleaning the liquid guide pipe unit 8, open the lid 2 as shown in FIG.
can be extracted.

At this time, since the gasket 40 is attached to the pump bottom plate 32 side, troubles such as the gasket coming off or being damaged will not occur, as in the case where the gasket is attached to the inner stopper side (as shown in Figure 1). There isn't.

Next, to explain the effects of the present invention, the pump injection pot of the present invention has the following effects.

(1) Maintain airtightness between the relay member 11 and the air pump 10 in which a valve stem water receiving part 17 is formed on the top wall 25 for the valve body 14 for opening and closing the air passage 12 26 for opening and closing the liquid passage 13 In doing so, the pump discharge port 3 is placed on the bottom surface of the pump bottom plate
4 and the air passage 12 in the relay member to the outside air, and also to seal the area around the valve stem water receiving 17, the number of gaskets can be reduced. The number of man-hours required for assembling the packing can also be reduced.

(2) Since the gasket 40 is attached only to the pump bottom plate 32 side, the gasket will not fall off or be damaged from the relay member 11 even when cleaning the relay member 11, and the gasket will continue to function normally for a long time. It is possible to maintain proper liquid injection function.

[Brief explanation of drawings]

Fig. 1 is a vertical sectional view of the top of a conventional pump-injection type pot, Fig. 2 is a top longitudinal sectional view of a pump-injection type liquid container according to an embodiment of the present invention, and Fig. 3 is FIG. 4 is a partial sectional view showing the liquid container in FIG. 2 in an open state. 5...Liquid container, 9...Liquid pouring passage,
10... Air pump, 11... Relay member, 12... Air passage, 13... Liquid passage, 14... Valve body, '16... Valve stem, 17... Valve stem water receiving, 25... Relay member top wall, 26... Air passage population, 32...・
... Pump bottom plate, 34 ... Pump discharge port, 40
...Patsukin, 42... Seal ring.

Claims (1)

[Scope of utility model registration request] A cylindrical relay member 11 with a top wall 25 is interposed between the liquid container 5 and an air pump 10 disposed above it, and air is blown from the air pump 10 into the liquid container 5 through the relay member 11. A liquid passage 13 forming a part of the liquid pouring passage 9 for pouring out the liquid W in the liquid container 5 to the outside of the liquid container 5 is formed with the air passage 12 of the liquid container 5 . A valve stem receiving 17 in which a valve body 14 for opening and closing the passage 9 is installed, and a valve stem 16 for operating the valve body 14 is formed on the top wall 25 of the relay member.
is exposed below the discharge port 34 of the air pump 10, while acting on the air pump 10 side to press the valve stem 16 and open the valve body 14 as the air pump 10 contracts. A push rod 39 is provided and the discharge port 34 is provided on the bottom plate 32 of the air pump 10.
and a single gasket 40 integrally formed with a seal ring 42 that allows the inlet 26 of the air passage 12 to communicate with the outside air in an airtight manner and that can cover the periphery of the valve stem receiving 17 airtightly. A pump-type liquid container equipped with a pump.