JPH0786038B2 - Liquid transfer device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid transfer device that transfers liquid from a first liquid storage container to a second liquid storage container.

2. Description of the Related Art In FIG. 6, reference numeral 1 is a cartridge tank conventionally used in an oil heater, to which a base 2 is attached. An opening 3 is formed in the center of the base 2.

A valve body 4 for opening and closing the opening 3 is provided in the mouthpiece 2 by a compression spring 5 so as to be "closed" and urged in parallel. When refilling the cartridge tank 1, the mouthpiece 2 is installed on the floor 7 with the mouthpiece 2 on the upper side, and the mouthpiece 2 is removed from the refueling mouth portion 6 to refuel using a pump (not shown) or the like.

However, with the above-mentioned configuration, when refilling the cartridge tank 1, kerosene adheres to the hand when the mouthpiece 2 is taken out from the refueling port portion 6, which makes it uncomfortable. In addition, there is a problem that opening and closing of the base 2 is troublesome.

Therefore, there has been proposed a device as shown in FIG. 7 as a device capable of supplying a liquid such as kerosene to the cartridge tank 1 without removing the mouthpiece 2 and without soiling the hands. In FIG. 7, when refueling the cartridge tank 1, the discharge side pipe 8 is pushed down while the valve body 4 is depressed by the compression spring 5 at the tip of the discharge side pipe 8 with the mouthpiece 2 of the cartridge tank 1 facing upward. The holder 9 is inserted into the mouthpiece 2 through the opening 3, the holder 9 covers the periphery of the mouthpiece 2, and the annular convex portion 10 of the mouthpiece 2 is engaged with the engagement concave portion 11 of the holder 9. Hold the base 2. By operating the oil supply pump 12 in this state, kerosene is sucked up from a kerosene tank (not shown) through the pipe 13 as shown by a dashed arrow A in FIG. 7, and passes through the notch portion 14 of the discharge pipe 8 to the cartridge tank. 1, the air in the tank 1 is discharged to the outside from the opening 3 of the mouthpiece 2 and the degassing hole 15 of the holder 9 as shown by the chain line arrow B. (For example, the actual exploitation 62
However, in the above configuration, when the discharge side pipe 8 is removed from the mouthpiece 2 after refueling, the discharge side pipe 8 is removed.
The kerosene remaining inside or in the pipe 13 hangs down along the tip of the discharge side pipe 8 and pollutes the outside of the base 2 and the outside and the surroundings of the cartridge tank 1 with the dripping kerosene. There have been problems such as the hand being soiled when holding the cartridge tank 1 after refueling and the location of refueling being restricted due to soiling of the surroundings.

The present invention solves such a conventional problem, and an object of the present invention is to provide a liquid transporting device that can refuel without removing the mouthpiece from the cartridge tank and that does not stain the hands or the surroundings of the cartridge tank.

Means for Solving the Problems In order to solve the above problems, a liquid transfer device of the present invention includes a pump unit that transfers liquid from a first liquid storage container, and a valve body provided in a second liquid storage container. A cap and an adapter that is detachable from the cap and communicates with the pump unit via a hose.The adapter has a handle portion that can open and close a claw part to be hooked on the cap so that the cap can be attached and detached with one touch. An adapter valve body is provided in which the adapter pushes the valve body of the mouthpiece by opening the outlet of the adapter by coupling the mouthpiece and the adapter, and closes the outlet by separating the adapter and the mouthpiece. It has a configuration of a liquid transfer device.

The present invention has the above-described configuration, and at the time of liquid transfer, by mounting and coupling the adapter to the mouthpiece of the second liquid storage container, the valve body of the mouthpiece is pushed open by the tip of the discharge pipe of the adapter. An adapter valve element provided on the discharge pipe opens the discharge port and engages with the base. Next, by operating the pump unit in this state, the liquid is transported from the first liquid storage container to the second liquid storage container by the pump unit. At this time, the liquid is discharged from the discharge port to the second liquid storage container through the discharge pipe of the adapter, and at the same time, the air in the second liquid storage container is discharged from the mouth of the base and the discharge pipe. Is discharged to the outside of the second liquid storage container through the gap between and. In other words, during refueling, the flow resistance due to the residual air is small, and refueling can be done quickly in a short time, and the liquid does not leak outside from the vicinity of the joint between the adapter and the base, and refueling is possible without soiling the hands. . Further, after the liquid has been transported and the pump unit has stopped operating, when the adapter is detached from the mouthpiece, the adapter valve body acts so as to close the discharge port of the discharge pipe, and the post-lubrication discharge side pipe is capped as before. When removed from the pipe, it is possible to prevent the residual kerosene in the pipe from dripping from the tip of the discharge side pipe.
The problem of soiling the hands and the surroundings of the cartridge tank is eliminated. Not only that, but after completing the liquid transfer and stopping the operation of the pump unit, conventionally, in order to reduce the amount of dripping, the discharge pipe was pulled out after waiting for a while until the amount of residual kerosene in the pipe became small. Even if the product is pulled out immediately after the pump unit is stopped, the adapter valve body works so as to close the discharge port when the discharge pipe of the adapter is pulled out from the mouthpiece. The effect is obtained.

Embodiment Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings. In FIG. 1, FIG. 2, FIG. 3, FIG. 4, and FIG. 5, the first liquid storage container 16 is a plastic tank for storing kerosene, and is controlled above the pump unit 18 having the suction part 17. A portion 19 is arranged, and a hose 21 is connected between the adapter 20 and the pump unit 18. The state of FIG. 1 is a state in which the adapter 20 is mounted and coupled to the mouthpiece 23 of the cartridge tank, which is the second liquid storage container 22, and oil is being supplied. Further, 24 is an oil amount display section.

2 shows the adapter 20 and the second liquid container 22 shown in FIG.
2 shows the structure of the portion of the cartridge tank connected to the mouthpiece 23 and its vicinity. 3 and 4 show the configurations of the adapter 20 side, the mouthpiece 23 and the second liquid storage container 22 side, respectively, when the adapter 20 and the mouthpiece 23 are not connected.

First, the adapter 20 has a hook 26 and a hook 26 for hooking the lower end 25 of the base so that it can be attached to and detached from the base 23 with one touch.
The handle 20 has a handle portion 27 which is opened and closed by a grasping operation, and the front sectional view of the entire adapter 20 is substantially H-shaped. The abbreviation H
At the top center of the shape of the adapter 20, the first liquid container 16
Hose connection to connect the hose 21 that leads the liquid from
28, and a cap 23 at the lower center of the substantially H-shaped adapter 20.
A discharge pipe 30 that discharges the liquid inserted into the opening 29 of the first liquid storage container 16 and conveyed into the second liquid storage container 22 is integrally formed of resin. In the vicinity of the tip 31 of the discharge pipe 30, the discharge pipe 30 is placed at the opening
It is tapered to make it easier to insert into 29. A discharge port 32 opened on the side surface of the discharge pipe 30 connects the adapter 20 to the base 23.
It is provided so as to be located below the lower end portion 25 of the base when it is mounted on. Further, the cylindrical adapter valve body 33, which slides in close contact with the outer peripheral surface of the discharge pipe 30, has a groove 34 that engages with the opening 29 of the mouthpiece 23. Further, near the groove portion 34, a notch 35 is formed to secure a gap through which air can flow when the groove portion 34 is engaged with the opening 29 of the mouthpiece 23. The notch 35 not only secures a gap for air flow, but also has a function of providing a spring property in the vicinity of the groove 34 to facilitate engagement and disengagement between the opening 2 and the groove 34. To do. Incidentally, in order to make the shape of the adapter valve element 33 easy to understand, it is shown in an outline view in FIG. The adapter valve element 33 of the present embodiment was integrally molded of polypropylene resin. Furthermore, two annular ring-shaped projections 36 are formed near both ends of the inner surface of the adapter valve body 33 to enhance the sealing effect. When attaching the adapter 20 to the base 23,
The groove 34 is formed on the side far from the discharge pipe tip 31, and when the discharge pipe 30 is inserted into the opening 29 of the mouthpiece 23, the adapter valve body
After a part of 33 has completely entered the inside of the mouthpiece 23, the groove portion 34 comes into contact with the opening portion 29 to start opening the discharge port 32, and when the adapter 20 and the mouthpiece 23 are completely coupled, the groove portion 34 comes into the opening portion 29. Engage. On the contrary, when the discharge pipe 30 is pulled out from the opening 29 of the mouthpiece 23, the adapter valve body 33 moves upward with the adapter valve body 33 engaged with the opening 29 of the mouthpiece 23, and the adapter inside the mouthpiece 23. After the valve body 33 closes the discharge port 32, the groove 34 of the adapter valve body 33 and the opening 29 of the mouthpiece 23 are disengaged, and the adapter valve body 33 comes out of the mouthpiece 23.

Next, the mouthpiece 23 is screwed and fixed to the mouth screw portion 37 of the second liquid storage container 22, and is sealed with the rubber packing 38. Inside the mouthpiece 23, there is provided a valve body 41 in which an O-ring 40 for biasing a compression spring 39 is attached to an opening 29 of the mouthpiece, and the adapter 20 is attached to the mouthpiece.
When not coupled to 23, the opening 29 is sealed and closed. That is, the compression spring 39 is an urging means for urging the valve body 41 in a direction in which it is always closed. Further, the spring bearing 38, which is caulked and fixed inside the mouthpiece 23 and outside the valve body 41, is a valve body.
41 guides. An opening window 43 having a large opening is formed on the side surface of the spring receiver 42. This open window 43
When the adapter 20 is connected to the mouthpiece 23, the opening range of is opened at least from the tip 31 of the discharge pipe to a position above the discharge port 32.

In the above configuration, when refueling, the second liquid storage container 22 is installed with the mouthpiece 23 facing upward as shown in FIGS. 1 and 2, and the tip of the discharge pipe 30 of the adapter 20 is attached to the opening 29 of the mouthpiece 23. By the operation of pushing down the valve body 41 while inserting it, the end portion 34 of the adapter valve body 33 provided on the discharge pipe 30 is moved to the base 23.
The adapter valve body 33 opens the discharge port 32 by abutting on the opening 29 and further pushing down the adapter 20. Further, according to the operation of pushing down the adapter 30, the hooking claw portion 26 of the adapter 20 which is substantially H-shaped when viewed from the front spreads outward, and the lower end portion 25 of the mouthpiece is engaged with the adapter 20.
At this time, the groove 34 of the adapter valve body 33 and the opening 29 of the base 23 are engaged with each other. At this time, between the inner diameter of the opening 29 of the mouthpiece 23 and the outer diameter of the discharge pipe 30, there is a gap that allows the air in the second liquid storage container 22 to flow out of the container 22 with almost no resistance. A notch 35 is provided in the vicinity of the groove portion 34 of the adapter valve body 33 so as to secure it.

Next, in this state, turn on the operation switch 44 and turn on the pump unit.
By operating 18, the liquid is the first liquid container
It is transported from 16 to the second liquid storage container 22 by the pump unit 18. At this time, the obtained body flows from the hose 21 through the discharge pipe 30 of the adapter 20 into the second liquid storage container 22 through the discharge port 32 as shown by the solid line arrow in FIG. The air in the second liquid storage container 22 passes through the gap between the opening 29 and the discharge pipe 30.
2 is discharged to the outside as shown by the broken line arrow in FIG. In addition, 45 is a hole. At this time, since the discharge port 32 opened in the discharge pipe 30 is located below the lower end 25 of the mouthpiece 23, the liquid collides with the inner wall of the mouthpiece 23 even if the force of the discharged liquid is strong. Without any action, it acts so as to flow into the second liquid storage container 22. Therefore, the liquid hits the inner wall of the mouthpiece 2 and hits the opening 3 of the mouthpiece 2 as in the conventional case.
There is an effect that the liquid and the liquid can be smoothly transported to the second liquid storage container 22 without the air and the liquid being spilled out together. That is, the mouthpiece during refueling
Since liquid and air do not collide violently inside 23, flow resistance due to residual air is small, oil can be quickly supplied in a short time, and liquid leaks out from the vicinity of the joint between adapter 20 and base 23. It can be refueled without getting your hands dirty.

Also, as a result of the trial experiment, the discharge port 32 was changed from the opening 29
The liquid can be easily
It was confirmed that there was an effect that the air and liquid would not spill out together from the opening 29 of the mouthpiece 23 by hitting the inner wall of the.

Further, after the refueling is stopped, the grip 27 of the adapter 20 of the substantially H-shape can be lightly pinched to open the hooking claw portion 26 of the adapter 20,
Since the adapter 20 can be easily removed from the mouthpiece 23, the operability is good and the attachment / detachment is easy. Thus, the adapter
Since the lower end 25 of the base and the base 23 are connected by the engagement of the lower end 25 of the base and the claw portion 26 of the adapter, the adapter 20 can be attached by lightly pushing it in and detached by grasping the handle 27 lightly. In this way, the unique effect that the adapter 20 can be attached / detached very easily, easily and surely in one operation is obtained.

When the adapter 20 is removed from the mouthpiece 23 after stopping the operation of the pump unit 18 after the liquid is further conveyed, the adapter valve body 33 acts to close the discharge port 32 of the discharge pipe 30, and the tip of the discharge pipe 30 causes It has the effect of preventing the residual kerosene from dripping. Therefore, the problem of soiling the hands and the surroundings of the cartridge tank is solved.

Further, the adapter valve body 33 is a cylindrical body that is in close contact with the discharge pipe 30 and is slidable, and is statically held at any position of the discharge pipe 30, and opens and closes the discharge port 32 opened on the side surface of the discharge pipe 30. Thus, the adapter valve body 33 can be held stationary at both the open position and the closed position of the discharge port 32. Therefore, if you want to refuel a cartridge tank whose base does not match the adapter 20, remove the base and slide the adapter valve element 33 of the discharge pipe 30 to slide the discharge port 32.
There is a unique effect that refueling is possible by opening the and inserting it into the Carridge tank. Further, since the adapter valve body 33 is configured to open and close the discharge port 32 opened on the side surface of the discharge pipe 30, even if the discharge port 32 is made a large elongated hole and the flow path resistance becomes small, the closing performance does not deteriorate. effective.

Further, the adapter valve body 33 is a groove portion that engages with the opening portion of the base 23.
When the discharge pipe 30 having the adapter 20 is inserted into the mouthpiece 23, the groove portion 34 engages with the opening portion 29 of the mouthpiece to open the discharge port 32, and when the discharge pipe 30 of the adapter 20 is pulled out from the mouthpiece 23, When the adapter valve body 33 is moved to a position where the discharge port 30 is closed according to the combination, and then the engagement is disengaged, the adapter 20 is attached to and detached from the mouthpiece 23 without special trouble of opening and closing the adapter valve body 33 each time. The effect is that it can be opened and closed automatically in accordance with the operation.

Further, the adapter valve body 33 is formed in a tubular shape, and one or a plurality of annular projections 37 are formed on the inner surfaces near both ends of the tubular shape, respectively, and the adapter valve body 33 has an outer periphery on the side far from the discharge pipe tip 31. By forming the groove 34 near the end,
When the adapter 20 is attached to and detached from the adapter 23, the adapter valve body 33 opens and closes in the mouthpiece 23 and acts so as not to spill liquid outside.

Not only that, but also liquid transfer is completed and pump unit 18
After stopping the operation of, the discharge pipe was conventionally pulled out after waiting for a while until the amount of residual kerosene in the pipe became small in order to reduce the amount of drooling. Discharge pipe 30 base 23
Since the adapter valve body 33 acts so as to close the discharge port 32 when it is pulled out from the device, it is possible to prevent drooping and obtain a unique action effect such as a time saving effect.

Further, the adapter valve body 33 has the configuration in which the notch 35 is provided in the vicinity of the groove portion 34, so that the adapter valve body 33 is engaged with the mouthpiece 23 without making the inner diameter of the opening portion 29 of the mouthpiece much larger than the outer diameter of the discharge pipe 30. A gap that allows air to flow can be secured by the notch 35,
As a result, the inner diameter of the discharge pipe 30 can be increased by that amount, and the refueling time can be shortened. Further, the notch 35 adds springiness against bending near the groove 34, so that the opening 29 of the mouthpiece and the groove 34 of the adapter valve body 33 are easily engaged and disengaged, and the adapter 20 is also easily attached and detached. There is an effect that.

Effects of the Invention As described above, the liquid transfer device of the present invention has the following effects.

(1) The adapter is configured so that the adapter can be attached / detached to / from the mouthpiece of the second liquid storage container with one touch, and the valve body of the mouthpiece and the outlet of the adapter can be automatically opened / closed when the adapter is attached / detached. It is possible to refuel without disturbing the hands, the periphery of the mouthpiece, the periphery of the second liquid storage container, etc. without removing the second liquid storage container from the second liquid storage container. Moreover, you can easily and quickly refuel with one touch.

(2) The outlet pipe of the adapter is pushed open by the coupling of the mouthpiece and the adapter, at which time the outlet of the outlet pipe is opened and engaged with the mouthpiece, and when the adapter is detached from the mouthpiece, the outlet is closed and the mouthpiece is Since it has a configuration in which the adapter valve body that is disengaged from the adapter is provided, it has an effect of preventing kerosene from dripping from the adapter when the discharge pipe is pulled out from the mouthpiece, and has an effect of not contaminating the hand or the periphery of the cartridge tank.

(3) The adapter valve body is opened by opening and closing the discharge port of the discharge pipe by engaging and disengaging the mouthpiece and opening and closing the discharge port of the discharge pipe by disengaging the adapter from the mouthpiece. If the holding valve is removed from the cartridge tank and the adapter valve element is inserted into the oil supply port of the cartridge tank, there is a unique effect that oil can be supplied to the cartridge tank where the adapter and the mouth do not match.

(4) Since the configuration is provided with the adapter valve body, after the operation of the pump unit is stopped, the discharge pipe can be immediately withdrawn from the mouthpiece without waiting, which has a unique effect of saving time.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of an entire configuration of a liquid transfer device according to an embodiment of the present invention, FIG. 2 is an enlarged cross-sectional view of an essential part of the liquid transfer device in a state where an adapter and a mouthpiece are connected, and FIG. FIG. 4 is a front sectional view of the adapter side of the transfer device, FIG. 4 is a front sectional view of the mouth side of the liquid transfer device, FIG. 5 is an external view of an adapter valve body of the liquid transfer device, and FIG. 6 is a conventional cartridge tank. FIG. 7 is a partial sectional view of a conventional liquid transfer device. 16 …… First liquid container, 18 …… Pump unit, 20
...... Adapter, 22… Second liquid container, 23 …… Base,
29 …… Mouth opening, 30 …… Discharge pipe, 31 …… Discharge pipe tip, 32 …… Discharge port, 33 …… Adapter valve body, 34 ……
Groove, 35 ... Notch, 36 ... Ring-shaped convex portion, 41 ... Valve body.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kenji Ebimoto 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References: 61-181000 (JP, U) 70238 (JP, U)

Claims (5)

[Claims] 1. A pump unit for conveying a liquid from a first liquid storage container, a base having a valve body provided in the second liquid storage container, and a pump unit detachably connected to the base with a hose. The adapter has a handle portion that can open and close a claw portion that is hooked on the base so that it can be attached to and detached from the base with one touch, and the adapter is a valve of the base by coupling the base and the adapter. A liquid transfer device provided with an adapter valve body that pushes a body open, opens a discharge port of the adapter, and closes the discharge port by separating the adapter and the mouthpiece. 2. An adapter valve body is a tubular body that is slidably attached in close contact with the discharge pipe and is held stationary at any position of the discharge pipe, and the discharge port opened on the side surface of the discharge pipe is opened and closed. The liquid transfer device according to claim 1. 3. The adapter valve body has a groove portion that engages with an opening portion of the mouthpiece, and when the discharge pipe of the adapter is inserted into the mouthpiece, the groove portion engages with the opening portion of the mouthpiece to open the discharge port, 2. The liquid transfer apparatus according to claim 1, wherein the adapter valve body is moved to a position where the discharge port is closed by the engagement when the discharge pipe is removed from the mouthpiece, and then the engagement is released. 4. The adapter valve body is formed in a tubular shape so as to be opened and closed in the mouthpiece when the adapter is attached to and detached from the mouthpiece, and one or a plurality of ring-shaped projections are formed on the inner surface near both ends of the tubular body, respectively. The liquid transfer device according to claim 3, wherein a groove is formed on the outer circumference of the adapter valve body near the end on the side far from the tip of the discharge pipe. 5. The adapter valve body is provided with a notch in the vicinity of the groove portion in order to secure a gap through which air flows when it is engaged with the mouthpiece and to add a spring property that facilitates engagement and disengagement. The liquid transfer device according to claim 3.