JPH0443708Y2 - - 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) Although not publicly known or for official use, as shown in Fig. 4,
A constant oil level device 2 is provided which has a constant oil level chamber 2a communicating with an oil storage tank 1 and an oil reservoir chamber 2b communicating with a pot burner 3 of an oil stove (not shown), and each chamber 2a, 2b is divided by a partition wall 4. A liquid fuel supply device has been proposed in which the oil flow passages 5 are provided in the upper part of the partition wall 4 and communicate with each other (see Japanese Utility Model Publication No. 166436/1983).

This oil flow passage 5 is opened when a large amount of oil is supplied into the oil sump chamber 2b, for example, when oil is returned from the burner 3, or when excess oil is pumped by an electromagnetic pump from the constant oil level chamber 2a to the oil sump chamber 2b. When the liquid fuel is supplied to the constant oil level chamber 2a, the liquid fuel that overflows from the oil reservoir chamber 2b is returned to the constant oil level chamber 2a through this oil flow passage 5.

By providing the oil flow passage 5 in this way,
The liquid fuel that has accumulated in excess in the oil sump chamber 2b is returned to the constant oil level chamber 2a, but the liquid fuel that has accumulated in the oil sump chamber 2b is returned to the constant oil level chamber 2a.
There is no way to regulate the liquid fuel distributed in Japan. Therefore, when the liquid fuel in the constant oil level chamber 2a exceeds the level of the rippled oil flow passage 5 due to vibration or impact caused by an earthquake, this liquid fuel flows into the oil sump chamber 2b.
and increases the amount of liquid fuel in the oil sump chamber 2b.

However, in the event of an earthquake like this, it is necessary to stop combustion early to prevent fires, but as mentioned above, a large amount of oil accumulates in the oil sump chamber 2b, so the supply of oil to the burner 3 is interrupted. The problem is that the combustion continues for a long time, and the combustion stop time of the kerosene stove is delayed.

Therefore, as shown in FIG. 4, the applicant proposed a method for supplying liquid fuel by providing an oil flow regulating plate 6 arranged to face the oil flow passage 5 on the float valve 7 installed in the constant oil level chamber 2a. The device is proposed on the same day as this application.

In such a liquid fuel supply device, the oil level regulator 2
When vibration or shock is applied from the outside, for example when an earthquake occurs, the kerosene in the constant oil level chamber 2a will ripple, but these waves are regulated by the oil flow regulating plate 6, and the kerosene flows through the oil flow path. 5 to the oil reservoir chamber 2b.

(Problems to be solved by the invention) In the conventional liquid fuel supply device, the constant oil level chamber 2
In order to obtain reliable performance of preventing kerosene from leaking from a to the oil sump chamber 2b, it is necessary to install the oil flow regulating plate 6.
High dimensional accuracy is required, and the oil flow regulating plate 6 must be installed at an appropriate position relative to the oil flow passage 5, making the assembly work of the oil flow regulating plate 6 etc. complicated. This has the problem of increased manufacturing costs.

(Purpose of the invention) In view of the above-mentioned conventional problems, the present invention reliably controls the flow of oil from the oil level chamber to the oil sump chamber when shocks or vibrations are applied from the outside of the oil level device. Furthermore, it is an object of the present invention to provide a liquid fuel supply device in which the work of assembling the oil flow regulating plate is simple.

(Means for Solving the Problems) In order to achieve the above object, the present invention partitions the inside of the constant oil level chamber with a partition wall, and provides a constant oil level chamber that communicates with the oil storage tank and an oil level chamber that communicates with the burner part of the combustion device. A reservoir chamber is provided, and the partition wall is provided with an oil flow passage that guides the liquid fuel overflowing from the oil reservoir chamber to the constant oil level chamber, and the constant oil level chamber is provided with In a liquid fuel supply device provided with an oil flow regulating plate that restricts infiltration of liquid fuel from a surface chamber side to the oil reservoir chamber side, in the oil flow passage, the constant oil level chamber side is connected to the constant oil level chamber side. In addition to providing an oil adjustment chamber for storing liquid fuel flowing in from the partition wall, an oil distribution groove is formed in the partition wall, the upper end of which faces the lower part of the oil adjustment chamber, and the lower end of which faces the constant oil level chamber. .

(Function) According to the present invention, an oil adjustment chamber is provided on the constant oil level chamber side of the oil flow passage to store the liquid fuel that has flowed in from the constant oil level chamber side, and the upper end of the partition wall is connected to the oil adjustment chamber. Since the oil distribution groove is formed so that the lower end faces the oil level chamber, shocks or vibrations are applied to the oil leveler due to earthquakes, etc., causing the liquid fuel in the oil level chamber to ripple, and furthermore, this ripple occurs. When the liquid fuel collides with the partition wall, a portion of the liquid fuel flows into the oil adjustment chamber through the oil flow groove and accumulates in the oil adjustment chamber. On the other hand,
When the wave moves away from the partition wall due to the reaction of this collision, the liquid fuel in the oil adjustment chamber flows back into the constant oil level chamber through the oil flow groove.

1 and 2 show a first embodiment of the present invention, and the same components as those in the conventional embodiment are designated by the same reference numerals. That is, 1 is an oil storage tank for storing liquid fuel, for example kerosene, 2 is a box-shaped oil level controller installed diagonally below and to the left of the oil storage tank 1, 3 is a pot burner for an oil stove (not shown) installed diagonally above and to the left of the oil level controller 2, 7 is a float valve, 8a,
Reference numerals 8b, 8c, and 8d denote oil supply pipes, and reference numeral 9 denotes an electromagnetic pump attached to the upper plate 2c of the oil level regulator 2.

A partition wall 4 is erected in the oil level device 2, and a constant oil level chamber 2a is provided on the oil storage tank 1 side via the partition wall 4, and an oil reservoir chamber 2b is provided on the pot burner 3 side. It is installed protrudingly. The upper part of the partition wall 4 is cut out into a thin wall, and the cutout 4a is formed with an elongated oil circulation groove 10 extending vertically, and the constant oil level is formed on the tip side of the cutout 4a. room 2
An oil flow passage 5 is provided which communicates the oil reservoir chamber 2b with the oil reservoir chamber 2b. Further, the constant oil level chamber 2a of the oil flow passage 5
On the side, there is an oil adjustment chamber 5a facing the upper end of the oil distribution groove 10.
A communication port 5b is provided on the oil reservoir chamber 2b side, and the lower end of the communication port 5b is connected to the pot burner 3.
It is located somewhat lower than the air supply port 3a. still,
A pair of mounting stands 11 for mounting the float valve 7 are provided in the constant oil level chamber 2a with the notch 4a in between.

The oil pipe 8a connects the oil storage tank 1 and the constant oil level chamber 2a of the oil level regulator 2, and supplies the kerosene in 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 supply 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.

The float valve 7 is provided in the constant oil level chamber 2a, and includes a float 7a, a connecting fitting 7b connected to one end of the float 7a, and a float mounting fitting 7c pivotally supported on the distal end side of the connecting fitting 7b. It consists of an operating rod 7d extending downward from the tip of the connecting fitting, and an on-off valve 7e attached to the lower end of the operating rod 7d. The float mounting bracket 7c is fixed to the upper end of each mounting base 11, and the on-off valve 7e controls the amount of kerosene flowing from the oil storage tank 1 into the constant oil level chamber 2a as the float 7a moves up and down. It's becoming like that. Further, an oil flow regulating plate 6 is provided on the partition wall 4 side of the float mounting fitting 7c. The oil flow regulating plate 6 is a horizontal piece 6a extending horizontally from the tip of the float mounting bracket 7c.
and a vertical piece 6b extending downward from the tip of the horizontal piece 6a, and the vertical piece 6b is connected to each mounting base 1.
They are positioned with a small gap of about 1.5 mm, and the lower end side is in contact with the opening surface of the oil flow groove 10 from the center in the vertical direction to the upper end.

According to this embodiment, shock or vibration is applied to the oil level device 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 partition wall 4 and the oil level chamber 2a. When colliding with the vertical piece 6b of the flow regulating plate 6, the vertical piece 6b becomes a wall, and most of it 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. Notch part 4
a and the oil adjustment chamber 5a via the oil distribution groove 10.
The oil flows into the oil adjustment chamber 5a and accumulates to some extent 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 into the oil distribution groove 10.
The oil is refluxed into the constant oil level chamber 2a through. Therefore,
At the time of the impact, kerosene only moves back and forth between the constant oil level chamber 2a and the oil adjustment chamber 5a, and no kerosene is supplied from the constant oil level chamber 2a to the oil reservoir chamber 2b. As a result, the supply of kerosene from the oil reservoir chamber 2b 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 vertical piece 6b of the oil flow regulating plate 6 is connected to the oil flow in the notch 4a. It is sufficient that the oil flow regulating plate 6 is in contact with the opening surface of the groove 10, 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
The kerosene b flows into the constant oil level chamber 2a through the oil flow passage 5 and the oil flow groove 10.

FIG. 3 shows a second embodiment of the present invention.
A breakwater wall 4b is provided on the side of the constant oil level chamber 2a of the notch 4a to protrude upward. According to this embodiment, the rippling kerosene is interfered with by the breakwater wall 4b, and it is possible to prevent a large amount of kerosene from flowing into the oil distribution groove 10. Note that the other configurations and effects are the same as those of the first embodiment.

(Effects of the invention) As explained above, according to the invention, an oil adjustment chamber is provided on the constant oil level chamber side of the oil flow passage to store liquid fuel that has flowed in from the constant oil level chamber side, and an oil adjustment chamber is provided on the partition wall. The oil distribution groove is formed such that the upper end faces the lower part of the oil adjustment chamber and the lower end faces the oil level chamber, so when vibrations are applied to the oil leveler, the rippling liquid fuel in the oil level chamber A part of the oil only moves back and forth between the constant oil level chamber and the oil adjustment chamber via the oil flow groove, and does not flow into the oil sump chamber. Therefore, there is an advantage that even in the event of an earthquake or the like, the combustion stop time of the combustion device will not be prolonged. In addition, since the inflowing kerosene can be adjusted from the constant oil level chamber by the oil adjustment chamber, it is sufficient that the oil flow regulation plate is in contact with the oil flow groove, and a high degree of dimensional accuracy is required for the oil flow regulation plate. This has the advantage that the oil flow regulating plate can be easily assembled.

[Brief explanation of the drawing]

1 and 2 show a first embodiment of the present invention, in which FIG. 1 is a plan sectional view of a leveling device, and FIG.
The figures are a sectional view of the liquid fuel supply device in the direction of the arrow in FIG. 1, FIG. 3 is a sectional view showing the main parts of the second embodiment of the present invention, and FIG. FIG. 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, 6...Oil distribution regulation plate, 10...Oil distribution groove.

Claims (1)

[Scope of Claim for Utility Model Registration] The inside of a constant oil level chamber is divided by a partition wall, and a constant oil level chamber communicating with an oil storage tank and an oil sump chamber communicating with a burner part of a combustion device are provided, and the partition wall has a An oil flow passage is provided to guide the liquid fuel overflowing from the oil sump chamber to the constant oil level chamber, and the constant oil level chamber is provided with an oil flow passage that guides the liquid fuel overflowing from the oil sump chamber to the constant oil level chamber, and the constant oil level chamber is provided with an oil flow passage that guides the liquid fuel that overflows from the oil sump chamber to the constant oil level chamber. In a liquid fuel supply device provided with an oil flow regulating plate for regulating fuel infiltration, an oil adjustment chamber is provided on the constant oil level chamber side of the oil flow passage to store liquid fuel flowing from the constant oil level chamber side. The liquid fuel supply device is characterized in that the partition wall is formed with an oil circulation groove whose upper end faces the lower part of the oil adjustment chamber and whose lower end faces the constant oil level chamber.