JPH053891Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) The present invention relates to a liquid fuel supply device for supplying kerosene or the like to an oil stove or the like.

(Prior Art) Conventionally, as shown in FIGS. 8 and 9, a constant oil level chamber 2a that communicates with a storage tank 1 and an oil reservoir chamber 2b that communicates with a pot burner 3 of an oil stove (not shown) have been used. An oil leveler 2 is provided, and each chamber 2a,
2b is divided by a partition wall 4, and
The partition wall 4 communicates with each other via an oil flow passage 5 provided at the upper part thereof, and the constant oil level chamber 2a is provided with an oil flow regulating plate 6 that contacts the oil flow of the oil flow passage 5.
In the liquid fuel supply device provided with a float valve 7 having
The applicant has already proposed a liquid fuel supply device which is provided with an oil adjustment chamber 5a communicating with the oil adjustment chamber 5a and an oil distribution groove 5b whose one end faces the oil adjustment chamber 5a and the other end faces the constant oil level chamber 2a. (Jitsugan No. 61-31810).

In such a liquid fuel supply device, when vibration or shock is applied from the outside of the oil level regulator 2,
For example, when an earthquake occurs, the constant oil level chamber 2a
The kerosene inside ripples, but the waves are caused by the oil flow regulating plate 6.
The kerosene flowing through the oil distribution groove 5b stays in the oil adjustment chamber 5a and is prevented from flowing into the oil reservoir chamber 2b.

(Problems to be Solved by the Invention) In the conventional liquid fuel supply device, the oil adjustment chamber 5a linearly communicates the constant oil level chamber 2a and the oil reservoir chamber 2b. Oil level device 2
When vibrations or shocks are large from the outside, the kerosene in the constant oil level chamber 2a flows forcefully into the oil distribution groove 5b and flows out from the oil adjustment chamber 5a into the oil reservoir chamber 2b. had.

(Purpose of the invention) In view of the above-mentioned conventional problems, the present invention is designed to ensure that oil does not flow from the oil level chamber to the oil sump chamber even when large shocks or vibrations are applied from the outside of the oil level device. The purpose is to provide a liquid fuel supply device that is regulated.

(Means for Solving the Problems) In order to achieve the above object, the present invention has a constant oil level chamber that communicates with the oil storage tank through a partition wall in the constant oil level device, and an oil level chamber that communicates with the burner part of the combustion device. A reservoir chamber is provided, each of the chambers communicates with each other via an oil flow passage provided in the partition wall, and the oil is supplied to the constant oil level chamber from the constant oil level chamber of the oil flow passage. In a liquid fuel supply device provided with an oil flow regulating member that regulates the flow of liquid fuel to a reservoir chamber, the oil flow passage is provided with an oil adjustment chamber that communicates with each of the chambers, and an inner wall surface of the oil adjustment chamber is provided. is characterized in that at least a portion thereof is formed opposite to the direction of inflow of the liquid fuel from the constant oil level chamber to the oil adjustment chamber.

(Function) According to the present invention, the oil flow passage is provided with an oil adjustment chamber that communicates with each chamber, and at least a portion of the inner wall of the oil adjustment chamber is connected to the oil flow passage from the constant oil level chamber to the oil adjustment chamber. Because it is formed opposite to the direction of fuel inflow, large shocks or vibrations are applied to the oil level chamber due to earthquakes, etc., causing the liquid fuel in the oil level chamber to ripple.
Furthermore, when the rippling liquid fuel collides with the partition wall, a part of the liquid fuel flows into the oil distribution groove with force and reaches the oil adjustment chamber; It collides with the inner wall of the chamber and its momentum is weakened. This prevents the liquid fuel from flowing out from the oil adjustment chamber to the oil reservoir chamber.

On the other hand, when the wave moves away from the partition wall due to the reaction of the collision, the liquid fuel in the oil adjustment chamber flows back into the constant oil level chamber via the oil flow groove.

(Embodiment) FIGS. 1 to 3 show a first embodiment of the present invention, and the same components as those of the conventional example are denoted by the same reference numerals. That is, 1 is an oil storage tank storing liquid fuel, such as kerosene, 2 is a box-shaped oil level regulator installed diagonally below the left of the oil storage tank 1, and 3 is installed diagonally above the left of the oil level regulator 2. 4 is a partition wall, 5 is an oil flow passage (oil flow chamber), 6 is an oil flow regulating plate, 7 is a float valve, 8a, 8b, 8c, and 8d are oil pipes,
9 is an electromagnetic pump attached to the upper plate 2c of the oil level regulator 2.

The partition wall 4 is erected in the oil level device 2, and the oil level chamber 2a is provided on the oil storage tank 1 side via the partition wall 4, and the oil reservoir chamber 2b is provided on the pot burner 3 side. is installed protrudingly. The upper part of the partition wall 4 in the vertical direction is cut out thinly, and the oil flow passage 5 is provided in the cutout part 4a.

The oil flow passage 5 is a long and narrow oil flow groove 5 extending vertically below the horizontal center of the cutout portion 4a.
b, an oil flow port 5c provided at one lateral end of the cutout portion 4a, and an oil flow passage 5a extending in the lateral direction, one end of which is connected to the upper end of the oil flow groove 5b and the other end of which is connected to the oil flow port 5c. The oil flow groove 5b is connected to the constant oil level chamber 2a, and the oil flow port 5c is connected to the oil flow passage 5a.
The oil flow passage 5a is formed so as to gradually incline upward from the oil flow groove 5b side toward the oil flow port 5c as shown in Fig. 3. A pair of mounting bases 10 for mounting the float valve 7 are provided in the constant oil level chamber 2a, sandwiching the cutout portion 4a therebetween.

The float valve 7 is provided in the constant oil level chamber 2a, and an operating rod 7b with a valve body 7a attached to the lower end is provided at the tip thereof, and the opening/closing valve 7a is connected to the float valve 7.
The amount of kerosene flowing from the oil storage tank 1 into the constant oil level chamber 2a is controlled according to the vertical movement of the oil tank 1. Further, the oil flow regulating plate 6 is provided from the tip of the float mounting fitting 7c of the float valve 7 and extends vertically, and is in contact with the opening surface of the oil flow groove 5b with the constant oil level chamber 2a. .

The oil pipe 8a communicates the oil storage tank 1 with the constant oil level chamber 2a of the oil level regulator 2, supplies kerosene from the oil storage tank 1 to the constant oil level chamber 2a, and
The oil pipe 8b is inserted into the constant oil level chamber 2a, and the oil pipe 8c is inserted into the oil sump chamber 2b, and the kerosene in the constant oil level chamber 2a is transferred to the oil sump chamber through the electromagnetic pump 9. 2b. Further, an oil pipe 8d connects the oil reservoir chamber 2b and the pot burner 3, and supplies kerosene from the oil reservoir chamber 2b to the pot burner 3.

According to this embodiment, a large shock or vibration is applied to the oil level regulator 2 due to an earthquake or the like, causing the kerosene in the oil level chamber 2a to ripple, and the rippled kerosene to be caused by the oil flow regulating plate 6. When colliding with the oil flow regulating plate 6, the oil flow regulating plate 6 becomes a wall, and most of the oil does not flow into the oil adjustment chamber 5a of the oil flow passage 5, but a part of it does not flow into the oil adjustment chamber 5a of the oil flow passage 5. The oil flows vigorously into the oil adjustment chamber 5a via the oil flow groove 5b. At this time, the kerosene that has flowed into the oil adjustment chamber 5a
The oil collides with the inner wall surface 5a', its momentum is weakened, and some amount of oil accumulates in the oil adjustment chamber 5a. On the other hand, when the wave leaves the partition wall 4 due to the reaction of the collision, the kerosene in the oil adjustment chamber 5a flows back into the constant oil level chamber 2a via the oil distribution groove 5b. Therefore, at the time of the impact, the kerosene only moves back and forth between the constant oil level chamber 2a and the oil adjustment chamber 5a, and the kerosene flows from the constant oil level chamber 2a to the oil sump chamber 2.
Kerosene is not supplied to b. This results in
Since the liquid level in the oil reservoir chamber 2b does not rise, the supply of kerosene to the pot burner 3 is also stopped, and the combustion stop time of the pot burner 3 is not prolonged.

Further, as described above, since the inflowing kerosene from the constant oil level chamber 2a can be adjusted by the oil adjustment chamber 5a, the oil flow regulating plate 6 is connected to the opening of the oil flow groove 10 in the cutout portion 4a. It is sufficient that the oil flow regulating plate 6 is in contact with the surface, and the oil flow regulating plate 6 is not required to have a high degree of dimensional accuracy, and the oil flow regulating plate 6 can be easily assembled.

Incidentally, when a large amount of kerosene flows into the oil reservoir chamber 2b by the electromagnetic pump 9, the oil reservoir chamber 2b
Kerosene b flows into the constant oil level chamber 2a via the oil flow passage 5 and the oil flow groove 5b.

FIG. 4 shows a second embodiment of the present invention.
According to this embodiment, in which the oil flow passage 5 is formed obliquely along the partition wall 4, the oil flow passage 5 can be easily formed. still,
Other configurations and effects are similar to those of the first embodiment.

FIG. 5 shows a third embodiment of the present invention.
The oil flow passage 5 is formed in a meandering shape.
According to this embodiment, the oil flow passage 5 of the conventional oil level regulator 2
It is sufficient to provide two protruding pieces 5d at a predetermined interval, which provides versatility. Note that the other configurations and effects are the same as those of the first embodiment.

6 and 7 show a fourth embodiment of the present invention, in which the oil flow groove 5b is formed in the oil flow regulating plate 6. FIG. According to this embodiment, since the oil flow regulating plate 6 is provided on the float mounting bracket 7c that is detachable from the float valve 7, various oil flow regulating plates 6 having different groove widths etc. are prepared. In this case, there is an advantage that the oil flow groove 5b that is compatible with the oil level regulator 2 can be obtained. Note that the other configurations and effects are the same as those of the first embodiment.

(Effects of the invention) As explained above, the present invention provides a constant oil level chamber that communicates with the oil storage tank through a partition wall and an oil sump chamber that communicates with the burner part of the combustion device in the constant oil level vessel. The respective chambers communicate with each other via an oil flow passage provided in the partition wall, and the constant oil level chamber receives liquid fuel from the constant oil level chamber of the oil flow passage to the oil sump chamber. In the liquid fuel supply device provided with an oil flow regulating member that regulates the flow of oil, the oil flow passage is provided with an oil adjustment chamber that communicates with each of the chambers, and
At least a part of the inner wall surface of the oil adjustment chamber is formed to face the direction of inflow of the liquid fuel from the oil level chamber to the oil adjustment chamber, so that there is no possibility of large impact or damage to the oil level regulator due to an earthquake or the like. Even if some of the liquid fuel flows forcefully into the oil adjustment chamber through the oil distribution groove due to vibration, the liquid fuel collides with the inner wall surface of the oil adjustment chamber and its momentum is weakened. This has the advantage that leakage into the oil sump chamber is reliably prevented.

[Brief explanation of the drawing]

1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a plan sectional view of a leveling device, and FIG.
The drawings are FIG. 1 - a cross-sectional view of the liquid fuel supply device in the direction of the arrow, FIG. 3 is an enlarged view of FIG. 1 in the direction of the arrow, and FIG. 4 shows a second embodiment of the present invention. FIG. 5 is a partially omitted plan sectional view of the oil leveling device showing the third embodiment of the present invention, and FIG. 6 is a partially omitted plan sectional view of the oil leveling device showing the third embodiment of the present invention. FIG. 7 is a partially omitted plan view of a leveling device showing the leveling device, FIG. 7 is a sectional view taken in the direction of the arrow in FIG. The figure is a plan sectional view of the oil level regulator, and FIG. 9 is a sectional view of the liquid fuel supply device in the direction of the line arrow in FIG. 8. In the diagram, 1...Oil storage tank, 2...Oil level gauge, 2
a... Constant oil level chamber, 2b... Oil reservoir chamber, 3... Burner section, 4... Partition wall, 5... Oil flow passage, 5a...
...Oil adjustment chamber, 5a...Inner wall surface, 5b...Oil distribution groove, 6...Oil distribution regulation plate.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A constant oil level chamber that communicates with an oil storage tank through a partition wall and an oil sump chamber that communicates with a burner part of a combustion device are provided in a constant oil level device, and each of the chambers communicate with each other via an oil flow passage provided in the partition wall, and the constant oil level chamber allows liquid fuel to flow from the constant oil level chamber of the oil flow passage to the oil sump chamber. In the liquid fuel supply device provided with an oil flow regulating member, the oil flow passage is provided with an oil adjustment chamber that communicates with each of the chambers, and at least a part of the inner wall surface of the oil adjustment chamber is arranged at the constant oil level. A liquid fuel supply device characterized in that the liquid fuel supply device is formed opposite to the direction in which the liquid fuel flows from the chamber to the oil adjustment chamber. (2) The liquid fuel supply device according to claim 1, wherein the oil adjustment chamber extends laterally along the partition wall. (3) The liquid fuel supply device according to claim 1, wherein the oil adjustment chamber is formed in a meandering manner.