JP2003090533A - Automatic oil supply apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a low cost automatic oil supply apparatus for a kerosene which can smoothly supply the kerosene by setting a negative pressure in a cartridge tank and which can be used for an existing polytype tank or a cartridge tank by simplifying its structure as simple as possible. SOLUTION: The automatic oil supply apparatus comprises a storage tank for the kerosene like a portable polytype tank sold in the market, a dedicated cartridge holder having an oil supply tank for storing the kerosene in the storage tank in a predetermined amount, an existing cartridge tank for an oil stove, an oil fan heater or the like mounting an air bleeding pipe inside the structure in which the oil supply tank communicates with the holder, an automatic oil supply means with a pump for feeding the kerosene in the storage tank to the oil supply tank, and an automatic air bleeding means with a pump for air bleeding from the cartridge tank via the air bleeding pipe. In this apparatus, an oil level of the oil supply tank is controlled by a float switch, and the kerosene supplied in a predetermined amount or more into the cartridge tank is returned to the storage tank or the oil supply tank via the pipe.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic kerosene refueling device capable of refueling kerosene automatically without attaching or detaching a cap to or from a cartridge tank such as an oil stove or an oil fan heater.

[0002]

2. Description of the Related Art Conventionally, as a kerosene automatic refueling device, it is possible to automatically refuel kerosene from a storage tank to a cartridge tank without removing the cap of the cartridge tank, with the cap side facing downward, for example, Japanese Patent Laid-Open Publication No. Hei 8 (1994) -58. -2
No. 1629 is known.

This known type is a portable kerosene storage tank, a cartridge holder provided adjacent to the storage tank, and a cartridge mounted on the holder portion of the cartridge holder with the cap side facing downward. A tank, a connecting pipe with a pump for sending kerosene in the storage tank to a filler port provided in the holder portion of the cartridge holder, and an air vent pipe inserted into the cartridge tank via a cap,
The air bleeding pipe and a communication pipe that is in communication with the storage tank via an exhaust port provided in the oil supply port of the holder section. Then, when refueling the cartridge tank, air is bleeding through an air bleeding pipe inserted in the cartridge tank.For refueling the cartridge tank, a connecting pipe with a pump is used and a cap is inserted from a refueling port through a refueling port. The kerosene is refueled into the cartridge tank by this pressure feeding, and the air in the cartridge tank is naturally fed into the storage tank. When the cartridge tank is full, kerosene returns to the storage tank through the air vent pipe.

[0004]

The above-mentioned conventional known kerosene automatic refueling device sends kerosene from the kerosene storage tank to the refueling port of the holder portion of the cartridge holder from the kerosene storage tank by means of the connecting pipe with the pump. The kerosene is pumped into the cartridge tank through the seal packing part of the cap of the cartridge tank that is pressed against the weight of the cartridge tank and the air is exhausted through the air vent pipe and the exhaust pipe at the same time. Because of the configuration
A double seal is required, such as a seal between the filler port and the cap, and a seal between the sealing packing and the exhaust pipe, which is especially the case when the cartridge tank is empty and light. There was a problem that kerosene could easily leak from the abutting part of the cap, or the air could not be removed properly.

Further, due to the double seal, there has been a problem that the structure of the holder portion of the cartridge holder, the structure of the connecting pipe, and the structure of the cap portion of the cartridge tank are complicated and the manufacturing cost is high.

The object of the present invention is to provide a negative pressure in the cartridge tank for refueling.
An object is to provide an inexpensive automatic kerosene refueling device that enables smooth refueling and uses the existing plastic tank or cartridge tank with a structure that is as simple as possible.

A second object of the present invention is to provide an automatic oil supply device for supplying kerosene using a cartridge holder,
The purpose is to provide an automatic kerosene refueling device that is designed to use cartridge tanks of various sizes on the market.

[0008]

In order to achieve the above-mentioned object, the present invention provides a portable kerosene storage tank and a fuel tank for storing a predetermined amount of kerosene in the storage tank. A cartridge holder having, and a cartridge tank such as an oil stove or an oil fan heater having an air vent pipe installed inside a structure that is mounted in communication with the oil supply tank in the cartridge holder,
Negative pressure can be obtained by configuring an oil supply means with a pump for sending the kerosene in the storage tank to the oil supply tank, and an air vent means with a pump for venting air from the cartridge tank through the air vent pipe. By using this, smoother refueling can be performed, and by simplifying the structure and reducing the manufacturing cost, existing cartridge tanks and poly tanks for gasoline, oil, etc. can be used.

According to a second aspect of the present invention, a portable kerosene storage tank, a cartridge holder having an oil supply tank for storing a predetermined amount of kerosene in the storage tank, and a cartridge holder mounted in communication with the oil supply tank A cartridge tank such as an oil stove or an oil fan heater having an air bleeding pipe installed inside the structure, a refueling means with a pump for sending kerosene in the storage tank to the refueling tank of the cartridge holder, and the cartridge holder And an air venting means with a pump for venting air from the cartridge tank via the air venting pipe, and the oil level in the oil tank is controlled by a float switch to inject a predetermined amount or more into the cartridge tank. Kerosene through the air vent pipe to the storage tank or refuel By configuring the back to,
It is designed to allow smoother lubrication by using negative pressure.

According to a third aspect of the invention, the structure is simplified by attaching an air bleeding pipe toward the inside of the cartridge tank to the axially movable sealing packing attached to the cap of the cartridge tank. The existing cartridge tank can be used by simply replacing the part.

According to a fourth aspect of the present invention, leak preventing means for preventing the leakage of kerosene in the cartridge tank is provided at the open end side of the cartridge tank of the air vent pipe, so that the cartridge tank can be carried after refueling. ,
It is designed to prevent kerosene from leaking from the air vent pipe.

According to a fifth aspect of the present invention, the leak prevention means is
Kerosene leaks from the air bleed pipe by combining the horizontal vortex part at the open end of the air bleed pipe that swirls in the horizontal direction and the vertical swirl part that follows the horizontal swirl part and vertically swirls. It is something that I did not put out.

According to a sixth aspect of the present invention, the leak prevention means is
By accommodating the through hole provided in the side portion on the open end side of the air vent pipe and the portion provided in the cartridge tank in which the through hole of the air vent pipe is provided, by moving the air vent pipe in the axial direction, The kerosene is more reliably prevented from leaking from the air vent pipe by being configured with a leak prevention pipe having a communication hole that matches the through hole.

According to the invention of claim 7, by preparing a holding plate having holding holes of various shapes, it is possible to supply oil to a commercially available cartridge tank of various shapes in a stable holding state. Is.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. 1 to 3, the reference symbol 1 is a kerosene storage tank, to which a fuel filler port 1a and a handle 1b are attached. A cartridge holder 2 is attached adjacent to the storage tank 1. A refueling tank 3 is installed in the cartridge holder 2,
The fuel tank 3 and the storage tank 1 are connected to each other by a connecting pipe 4.

In particular, as shown in FIG. 2, the reference symbol 5 is a kerosene cartridge tank set in the cartridge holder 2, and a cap 7 with a sealing packing 6 is attached to the tip thereof. This cap 7 is provided with a circulation port 7a, and this circulation hole 7a
Is sealed by the sealing packing 6 which is urged to slide in one direction by the compression spring 8. When the sealing packing 6 is pushed to the inside of the cartridge tank 5, the sealing packing 6 is pulled in against the elasticity of the compression spring 8 and a gap (not shown) formed between the sealing packing 6 and the flow port 7a.
The kerosene circulates through the communication hole 13. still,
The reference symbol 5a is a handle of the cartridge tank 5.

Similarly, as shown in FIG. 2, an air vent pipe 10 is attached to the sealing packing 6 and inserted into the cartridge tank 5.
This air bleeding pipe 10 has one end communicating with the outside through a sealing packing 6, and a shut-off valve 11 inside the cartridge tank 5 at the other end through a hinge 12 with a spring in one direction. It is attached so that it can be opened and closed while being urged to swing.

In particular, as shown in FIG. 3, the refueling tank 3 is provided with a recessed holder portion 15 having a refueling port 15a in the center thereof. The tip of the exhaust pipe 16 which is vertically fixed is protruding together with the sealing packing 17 attached to the tip. The exhaust pipe 16 is bent inside the fuel tank 3, passes through the inside of the connecting pipe 4, and is inserted into the storage tank 1. Indication symbol 1
Reference numeral 8 is a mounting member for holding and fixing the exhaust pipe 16 in the fuel tank 3.

Similarly, as shown in FIG. 3, a stop valve 19 is provided at a portion of the oil supply tank 3 to which the connecting pipe 4 is connected. The stop valve 19 is provided by a float switch 20 installed in the oil supply tank 3. The inflow of kerosene from the storage tank 1 is controlled by operating and opening / closing the inflow port 2a to which the connection pipe 4 of the fuel tank 3 is attached. Further, the reference symbol 21 is an exhaust pump connected to the exhaust pipe 16, and the exhaust pump 21 is installed in the cartridge holder 2 separately from the fuel tank 3 as shown in FIG. As shown in 3, the oil tank 3
It may be installed inside. In FIG. 3, the reference symbol 22 installed in the exhaust pipe 16 is a check valve. Further, in FIG. 1, what is indicated by the reference symbol 23 is a lid body attached to the upper portion of the cartridge holder 2 through a hinge 24 with a spring.

Therefore, in the kerosene automatic refueling device according to the present invention, first, when kerosene is put into the storage tank 1, the kerosene enters the refueling tank 3 through the connecting pipe 4, and the refueling tank 3
When the oil level exceeds a predetermined level, the float switch 20 operates and the stop valve 19 closes the inflow port 2a. After that, since the storage tank 1 is filled, the storage tank 1 together with the cartridge holder 2 is brought into the living room and placed in an appropriate place. Then, when the kerosene in the cartridge tank 5 such as the oil stove or the oil fan heater is finished, only the cartridge tank 5 is removed from the oil stove or the oil fan heater or the like, and the cap 7 side is not removed. With the cartridge facing downward, the cartridge holder 2 is loaded into the tank loading portion 2b. Then, the portion of the cap 7 is fitted into the holder portion 15 of the oil supply tank 3, and when the hand is released, the portion of the sealing packing 6 of the cap 7 comes into contact with the sealing packing 17 of the exhaust pipe 16 and the air vent pipe. 10 and the exhaust pipe 16 are connected. Further, due to its own weight, the leasing packing 6 is pulled in against the elastic force of the compression spring 8, and the sealing packing 6 and the sealing packing 17 are in a pressure contact state to be completely sealed, and the tip side of the cap 7 is an oil tank. It falls into 3 and is immersed in the kerosene in the refueling tank 3. And the cap 7
A gap (not shown) is formed between the seal packing 6 and the sealing packing 6, and the kerosene in the fuel tank 3 can be filled into the cartridge tank 5 through the gap and the communication hole 13.

In such a state, when a switch (not shown) is turned on to start the exhaust pump 21, the air in the cartridge tank 5 is sucked, and the air is exhausted through the air vent pipe 10 and the exhaust pipe 16. Since the air pressure in the cartridge tank 5 is gradually reduced by being sent to the storage tank 1, the kerosene in the oil supply tank 3 passes through the gap 7a of the cap 7 and the communication hole 13 into the cartridge tank 5 due to the pressure difference. Be refueled. Then, when the kerosene in the oil supply tank 3 decreases, the float switch 20 operates, the stop valve 19 opens, and the kerosene in the storage tank 1 is sent into the oil supply tank 3 via the inflow port 2a.

In this way, as the air in the cartridge tank 5 is sucked, kerosene is supplied into the cartridge tank 5 due to the pressure difference, and when a predetermined amount reaches the upper end of the air vent pipe 10, kerosene is supplied. Tries to return to the inside of the storage tank 1 via the air vent pipe 10 and the exhaust pipe 16, but is blocked by the check valve 22, and the exhaust pump 21 is turned off by a switch operated by the check valve 22. It Incidentally, here, the kerosene that reaches the exhaust pipe 16 through the air vent pipe 10 may be returned to the storage tank 1 when the cartridge tank 5 is full.

In this way, it is possible to refuel the cartridge tank 5 without removing the cap 7 of the cartridge tank 5. When the cartridge tank 5 which has become full is lifted by holding the handle 5a, as shown in FIG. 2, the packing 7 for sealing which returns to its original position by the elasticity of the compression spring 8 is provided in the cap 7 and the circulation port 7a is provided. Is sealed to prevent the kerosene inside from leaking outside through the air vent pipe 10.

Next, FIGS. 4 to 8 show another embodiment of the kerosene automatic refueling device according to the present invention. According to the drawings, the difference from the previous embodiment is that the storage tank 3
0 and the cartridge holder 31 are configured separately. This is because the storage tank 30 is made of a commercially available plastic tank so that the storage tank 30 can be easily used and easily carried.

Therefore, kerosene 44 in the storage tank 30
The oil supply means 33 for sending the oil to the oil supply tank 32 of the cartridge holder 31 is also different from that of the previous embodiment. The refueling means 33 is composed of a flexible pipe 35 having a pump 34 attached to the tip thereof, and is inserted into the storage tank 30 through the refueling port 30a, with the portion of the pump 34 first. The end portion is connected to the oil supply tank 32.
Then, the pump 34 is turned on and off by a float switch 36 provided in the fuel tank 32.

Further, the structure of the air vent pipe is different from that of the previous embodiment, and after the inside of the cartridge tank 31 is filled with kerosene 38, the air vent pipe 3 shown in the figure is shown.
The kerosene sucked through 7 is returned to the fuel tank 32 without being returned to the storage tank 30.

Further, when the cartridge tank 40 is loaded into the tank loading portion 39 of the cartridge holder 31, the switch device 42 for automatically turning on the exhaust pump 41 for exhausting the air in the cartridge tank 40.
And a holding plate 43 having a holding hole 43a for supporting the cartridge tanks of various sizes to be loaded into the tank loading portion 39 of the cartridge holder 31 so as not to fall or tilt, As will be described later, the difference from the previous embodiment is that a plurality of sheets are prepared.

Therefore, in this embodiment, as the storage tank 30, commercially available water, petroleum, kerosene,
A plastic tank containing gasoline or the like can be used as it is, and kerosene 44 is stored inside for storage. When the cartridge holder 31 is placed in the standby state (standby state), first, the cartridge holder 31 is brought closer to the storage tank 30, or the storage tank 30 is brought closer to the cartridge tank 31, and the oil supply port 30a of the storage tank 30 is provided. The cap (not shown) is removed, the portion of the pump 34 of the oil supply means 33 is dipped into the kerosene 44 in the storage tank 30 together with a part of the flexible pipe 35, and a switch (not shown) is turned on. . Then, the pump 34 starts driving and the kerosene 44 in the storage tank 30 is sent into the refueling tank 32. When the fuel tank 32 is full, the float switch 36 operates to stop the pump 34. Therefore, a conductor 55 is inserted from the power source 54 into the flexible pipe 35 and connected to the pump 34.

In this way, the cartridge holder 31
Is in the refueling standby state. When the cartridge tank 40 is not refueled for a while in this state, the pump 34 of the refueling means 33 is taken out from the refueling port 30a of the storage tank 30 and, as shown in FIG. It may be housed in 31 b, and the oil supply port 30 a of the storage tank 30 may be covered with a cap (not shown). The cap may be attached to the flexible pipe 35 as shown in FIG. Also, of course,
The refueling may be started by loading the cartridge tank 40 into the tank loading portion 39 while the refueling tank 32 on the cartridge holder 31 side is empty. In this case, first fill tank 3
After the tank 2 is full, oil is supplied to the cartridge tank 40 as described later. Normally, the cartridge tank 40 is loaded into the tank loading portion 39 of the cartridge holder 31 in a state where the oil tank 32 of the cartridge holder 31 is filled with kerosene 38.

In this way, the empty cartridge tank 40 is loaded into the tank loading portion 39 of the cartridge holder 31, and the cap 46 is fitted into the holder portion 45. As shown,
First, since the operating lever 42a of the switch device 42 of the exhaust pump 41 is pushed on the outside of the cartridge tank 40 to turn on the switch device 42, the exhaust pump 41 starts driving. At the same time, the sealing packing 47 attached to the cap 46 comes into contact with the sealing packing 49 attached to the tip of the exhaust pipe 48 to connect the air bleeding pipe 37 and the exhaust pipe 48, and the sealing packing 49 is the cartridge tank. The self-weight of 40 causes the compression spring 50a in the spring case 50 to be pulled inward against the elasticity of the compression spring 50a, so that the sealing packing 47 and the sealing packing 49 are brought into pressure contact with each other to seal the abutting portions thereof. At the same time, a gap 51 is formed between the cap 46 and the sealing packing 47.
Occurs, and the cap 46 at the portion where the gap 51 is generated
The front end side of is immersed in kerosene 38 in the oil supply tank 32.

Next, since the exhaust pump 41 is operating, the air in the cartridge tank 40 is exhausted through the exhaust pipe 48 and the air bleeding pipe 37, and the pressure inside the cartridge tank 40 is lowered, so that it is lowered. Due to the pressure difference, the kerosene 38 inside the oil tank 32 is supplied into the cartridge tank 40 through the gap 51 formed between the kerosene 38 and the sealing packing 47. The air extracted from the cartridge tank 40 by the exhaust pump 41 is
As shown in FIG. 4, it is not sent to the storage tank 30, but is exhausted to the outside from the open upper portion of the cartridge holder 31. Of course, this exhausted air may be returned to the inside of the storage tank 30.

As shown in FIG. 4, when the oil level in the oil supply tank 32 drops during the oil supply to the cartridge tank 40,
The flow and the switch 36 operate to operate the pump 34 of the oil supply means 33, and oil is supplied from the storage tank 30 by the amount that is insufficient. When the cartridge tank 40 is full, the kerosene is returned to the inside of the oil tank 32 through the exhaust pump 41 and the return pipe 48a via the intake port 37a of the air vent pipe 37.

In this way, the cartridge tank 40
However, as shown in FIGS. 1 and 5, the exhaust pump 41 may be stopped depending on the time by setting the timer 52 attached to the cartridge holder 31. . The timer 52 selects the time depending on the capacity of the cartridge tank 40. However, even if the timer set is mistaken, the kerosene remaining in the cartridge tank 40 is drained out through the air vent pipe 37 as described above. There is no worry because it

The air vent pipe 37 shown in FIGS. 4 and 6.
The leak prevention means 53 is composed of a substantially horizontal horizontal spiral portion 53a provided on the intake port 37a side and a substantially vertical vertical spiral portion 53b provided subsequent to the horizontal spiral portion 53. Therefore, when carrying the handle 40a of the cartridge tank 40, there is no risk of kerosene leaking out from the air vent pipe 37 due to the vertical swirl portion 53b, and when the cartridge tank 40 is held horizontally. The horizontal spiral portion 53a prevents kerosene from leaking to the outside through the air vent pipe 37.

9 and 10 show another embodiment of the leak preventing means of the air vent pipe. According to the drawings, the leakage prevention means 56 of this embodiment is equivalent to the air vent pipe 5
7 on the upper end side in the direction orthogonal to the pipe through holes 57a, 5
7a is provided, and a leakage prevention pipe 59 for accommodating the tip end side of the air vent pipe 57 is hung from the top plate 58a of the cartridge tank 58, and the leak prevention pipe 59 has a through hole on the tip end side of the air vent pipe 57. 57a, 5
The portion provided with 7a is stored. The leakage prevention pipe 59 is communicated with the through holes 57a, 57a depending on the sliding position of the air vent pipe 57.
a and 59a are provided. The instruction symbol 57b is
It is a compression spring that biases the air bleeding pipe 57 in one direction. The compression spring 57b is unnecessary when the air bleeding pipe 57 is biased in one direction by another means (for example, the compression springs 8 and 50 of the previous embodiment).

Therefore, in the normal state, as shown in FIG. 9, the positions of the through holes 57a, 57a and the communication holes 59a, 59a are not aligned, so that the through holes 57a, 57a are closed and the cartridge tank is closed. The kerosene contained in 58 does not leak to the outside through the air vent pipe 57,
As described above, the cartridge tank 58 is loaded into the holder loading portion of the cartridge holder, the cap is put on the holder portion, and the hand is released. By moving, the positions of the through holes 57a, 57a and the communication holes 59a, 59a coincide with each other, and the air can be exhausted.

11 and 12 show still another embodiment of the cap portion of the cartridge tank and the holder portion of the cartridge holder. According to the drawings, the first valve 66 is provided inside the cap 65. Second valve 67
Is provided. The first valve 66 is a basket-like spring case 68 having a cylindrical shape, which is attached to the inside of the cap 65 with the same axis as the cap 65.
And a cylindrical sealing packing 69 that is seated inside the spring case 68 with a common axis, a spring seat 70 that is locked to the sealing packing 69, and an inner upper part of the spring case 68. Compression spring 71 installed between and,
An O-ring 75 is attached to the lower part of the sealing packing 69 and seals the cap 65 from the outside. A lid 69 for the sealing packing 69
a is attached in a watertight state, and this lid 69a
Similarly, an air bleeding pipe 72 is erected in a watertight state on the peripheral axis and extends toward the inside of a cartridge tank (not shown).

The second valve 67 is a valve seat 6 formed by squeezing in the lower portion of the hollow portion 69b in the sealing packing 69.
9c, a ball valve 73 that comes into contact with the valve seat 69c, and a compression spring 74 that presses the ball valve 73 against the valve seat 69c.

The holder portion 76 has a cylindrical support member 81 projecting from the center portion thereof, and a sealing packing 77 fitted on the upper portion thereof. From the support member 81, an insertion pipe 78 having a notch 79 at its tip with a common shaft center is attached through the sealing packing 77. An exhaust pipe 80 is connected to the lower side of the tubular sealing packing 77.

Therefore, when the cap 65 of the cartridge tank is fitted into the holder portion 76, in particular, as shown in FIG.
As shown in FIG. 2, first, the insertion pipe 78 is attached to the cap 6
5 is inserted into the sealing packing 69 through the circulation hole 65a, and the ball valve 73 is pushed up against the elasticity of the compression spring 74 by the tip of the cartridge tank due to its own weight, and then the sealing packing 77 is inserted into the circulation hole 65a. When it is inserted, the sealing packing 69 is pushed up against the elasticity of the compression spring 71 by the own weight of the cartridge tank, so that the sealing packing 77 and the sealing packing 69 are pressed against each other and sealed from the outside air. . At the same time, it becomes watertight. At that time, the insertion pipe 78 is also airtight with the narrowed portion of the sealing packing 69.

In this way, the air in the cartridge tank is exhausted to the outside from the air vent pipe 72 through the hollow portion 69b of the sealing packing 69 and through the notch 79 of the insertion pipe 78 through the exhaust pipe 80. Due to this exhaust, a negative pressure is generated in the cartridge tank, and kerosene in the oil tank is generated between the cap 65, the sealing packing 69, and the sealing O-ring 75 from the holder portion 76 via the circulation hole 65a. Oil is supplied from the gap 82 into the cartridge tank.

The kerosene which has filled the kerosene in the cartridge tank and has entered the air bleeding pipe 72 has a hollow portion 69 b of the sealing packing 69 and an insertion pipe 78.
Through the exhaust pipe 80 to the inside of the oil tank or the storage tank. When the cartridge tank which has become full is lifted and removed from the holder portion 76, the ball valve 73, the sealing packing 69, and the O-ring 75 return to their original positions due to the elasticity of the compression springs 74 and 71,
It prevents kerosene from leaking to the outside through the air bleeding pipe 72 and the circulation hole 65a.

13 and 14 show another embodiment of the holding plate for stably holding the cartridge tank in the tank loading portion of the cartridge holder. The holding holes 60a and 61a are provided according to the outer shape of the cartridge tank, and the cartridge tanks of various shapes that are already on the market are designed so that they can maintain a stable posture during refueling. In such a case, the size of the tank loading portion of the cartridge holder is formed to be wide so that various commercially available cartridge tanks of various sizes can be accommodated. The shape of the holding hole is not limited to that shown in the figure. The holding plate can also be applied to an automatic oil supply device for kerosene having another structure for supplying oil to the cartridge tank using the cartridge holder.

[0044]

Since the present invention is constructed as described above,
The following effects can be achieved.

According to the first aspect of the present invention, a commercially available storage tank or an already used storage tank can be used as it is, and the cartridge tank is also commercially available only by replacing the cap portion. thing,
Or, since it can be used as it is already used, it has an advantage that it can be easily spread and used. Further, since the method of supplying kerosene to the cartridge tank by using negative pressure is adopted, the structure of the filler port of the holder part and the cap part is simpler than the conventionally known structure, and the manufacturing cost can be reduced. In addition, since the sealing part is only between the sealing packing and the sealing packing, the contact between the air vent pipe and the exhaust pipe can be easily and completely sealed, so there is no leakage during refueling. The effect of smooth refueling can be obtained.

According to the present invention, the kerosene can be smoothly moved from the storage tank to the oil tank and from the oil tank to the cartridge tank, and even if the cartridge tank is full, excess kerosene is used. Since the oil is returned to the fuel tank, there is an effect that there is no possibility of causing a problem in the device.

According to the third aspect of the present invention, while the air in the cartridge tank is exhausted from the air bleeding pipe through the sealing packing, the kerosene is supplied from the gap formed between the sealing packing and the cap. It is possible to provide the effect of being able to refuel inside and simplifying the structure.

According to the present invention, when the cartridge tank is filled with kerosene and then the cartridge tank is transported to an oil stove or an oil fan heater, the cartridge tank is greatly shaken or moved sideways. Even if it is held in the tank, the effect that oil in the cartridge tank does not leak outside through the air vent pipe can be obtained.

According to the seventh aspect of the present invention, there is no fear that the cartridge tanks of various shapes which are commercially available in the cartridge holder will fall down or tilt, and the seal will not be incomplete, and stable holding will be achieved. The effect that refueling can be received in the state can be produced.

[Brief description of drawings]

FIG. 1 is an explanatory view for explaining a structure of an automatic kerosene oil supply device according to the present invention.

FIG. 2 is an explanatory diagram for explaining a configuration of a cartridge tank of the kerosene automatic oil supply device according to the present invention.

FIG. 3 is an explanatory diagram for explaining a configuration of an oil supply tank of the kerosene automatic oil supply device according to the present invention.

FIG. 4 is an explanatory view showing another embodiment of the kerosene automatic oil supply device according to the present invention.

FIG. 5 is a front view of the cartridge holder according to the present invention.

6 is a vertical cross-sectional view illustrating the configuration of a cartridge tank of the automatic kerosene oil supply device shown in FIG.

FIG. 7 is an enlarged cross-sectional view showing a state where the cap of the cartridge tank is attached to the holder portion of the cartridge holder.

FIG. 8 is a perspective view of a holder portion of the cartridge holder.

FIG. 9 is an explanatory view showing another embodiment of the leak preventing means of the air vent pipe.

10 is an explanatory diagram illustrating a usage state of the leakage prevention unit illustrated in FIG.

FIG. 11 is an explanatory view showing another embodiment of the cap portion of the cartridge tank and the holder portion of the cartridge holder.

FIG. 12 is an explanatory diagram explaining an operation of the embodiment shown in FIG.

FIG. 13 is a perspective view showing another embodiment of the holding plate according to the present invention.

FIG. 14 is a perspective view showing still another embodiment of the holding plate according to the present invention.

[Explanation of symbols]

1,30 storage tank 1a, 30a Refueling port 2 Cartridge holder 2a Tank charging part 3,32 oil tank 4 connecting pipe 5,40,58 Cartridge tank 6,47,69 Sealing packing 7,60 caps 10, 37, 57, 72 Air vent pipe 15,45,76 Holder part 17,49,77 Seal packing 20,36 float switch 21 Exhaust pump 32 oil tank 33 Refueling means 34 pumps 39 Tank charging section 40 cartridge tank 41 Exhaust pump 42 switch device 43,60,61 holding plate 43a, 60a, 61a holding holes 45 Holder 46 cap 48 exhaust pipe 51 Gap 53 Leak prevention means 53a Horizontal spiral part 53b Vertical spiral part 56 Leak prevention means 57a through hole 59 Leak prevention pipe 59a communication hole 60,61 holding plate 60a, 61a holding holes

Claims (7)

[Claims] 1. A portable tank for storing kerosene, a cartridge holder having an oil tank for storing a predetermined amount of kerosene in the tank, and an inside of a structure that is attached to the cartridge holder in communication with the oil tank. A cartridge tank such as an oil stove or an oil fan heater with an air vent pipe attached to it, an oil supply means with a pump for sending kerosene in the storage tank to the oil tank, and an air from the cartridge tank via the air vent pipe. An automatic oiling device characterized by being configured with an air bleeding means with a pump for squeezing the oil. 2. A portable storage tank for kerosene, a cartridge holder having an oil supply tank for storing a predetermined amount of kerosene in the storage tank, and an inside of a structure mounted on the cartridge holder in communication with the oil supply tank. A cartridge tank such as an oil stove or an oil fan heater with an air vent pipe attached to it, an oil supply means with a pump for sending kerosene in the storage tank to the oil tank, and an air from the cartridge tank via the air vent pipe. And an air venting means with a pump for draining the oil tank, the oil level in the oil tank is controlled by a float switch, and the kerosene to be replenished in the cartridge tank by a predetermined amount or more is stored in the storage tank through the air vent pipe. Alternatively, the automatic oil supply device is characterized by being returned to the oil supply tank. 3. The air bleeding pipe has one end attached to a sealing packing movably attached to a cap of the cartridge tank so as to be movable in the axial direction toward the inside of the cartridge tank.
The automatic oil supply apparatus according to any one of 1 to 2. 4. A leak prevention means for preventing leakage of kerosene in the cartridge tank during transportation is provided on the open end side of the air vent pipe in the cartridge tank. The automatic oil supply device according to any one of 1 to 3. 5. The leak prevention means comprises a horizontal spiral portion which is provided on the open end side of the air vent pipe and which spirals horizontally, and a vertical spiral portion which is provided subsequent to the horizontal spiral portion and which spirals vertically. The automatic oiling apparatus according to claim 4, wherein the automatic oiling apparatus is configured by combining them. 6. The leak preventing means includes a through hole provided in a side portion of the air vent pipe on the open end side in the cartridge tank, and a through hole of the air vent pipe attached to the cartridge tank. 5. The automatic oiling apparatus according to claim 4, wherein the provided portion is housed and configured with a leak prevention pipe having a communication hole that coincides with the through hole when the air bleeding pipe moves in the axial direction. 7. An automatic oiling apparatus for supplying kerosene to a cartridge tank by using a cartridge holder having a tank loading section, wherein a plurality of holding plates to be mounted on the tank loading section are prepared, and the holding plates are provided with the cartridge. An automatic oiling device, which is provided with holding holes of various shapes for inserting a tank.