JP2000088238A - Liquid fuel combustor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To securely judge conditions of oiling to a cartridge tank becoming necessary without relying on a peeping window. SOLUTION: When the amount of lamp oil in a cartridge tank 1 becomes a predetermined amount or lower, lifting of a cartridge tank 1 is started with the aid of spring force of a grip handle spring, and finally an upper end of the cartridge tank 1 makes contact with a blank tank indicator 26 provided on a lower portion of a tank chamber cover 23. Part of the indicator is forced to appear on an upper surface of the tank chamber cover 23 through a through- hole 24 in the tank chamber cover 23, and hereby appeals compulsorily to persons therearound that oiling timing to the cartridge tank 1 has come at last.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid fuel combustor in which fuel is supplied by a detachable cartridge tank.

[0002]

2. Description of the Related Art In a conventional liquid fuel combustor such as a fan heater, whether or not kerosene is present in a cartridge tank can be confirmed through a viewing window, and kerosene supplied from the cartridge tank can be checked. Whether or not kerosene is present in the receiving tank in which it is stored can be confirmed through a notification device such as a display that operates based on an electric signal of an oil level meter (level gauge).

[0003]

In the conventional example,
Normally, the viewing window of the cartridge tank is provided on the side close to the filler cap, so if the amount of residual kerosene becomes very small and the drop in the liquid level becomes visible through the window, refueling It was not possible to confirm that the required time had arrived. In addition, to look into the window, I had to lean down and lower my eyes to near the floor.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and comprises a main body of a liquid fuel combustor, a burner and a blowing fan provided in the main body, and A formed tank chamber, a cartridge tank that is vertically inserted into and removed from the tank chamber, and a lower end portion of the cartridge tank that is provided so as to protrude downward and that is rotatably detachable and has a discharge port at the lower end surface. A formed filler cap, a knob that can be moved up and down in an outer peripheral portion of the filler cap and attached to rotate the filler cap, and a knob provided on the outer peripheral part of the filler cap. Push the knob handle toward the lower end of the filler cap, and the pressing force is the amount of kerosene remaining in the cartridge tank. A knob handle spring having a strength capable of starting to push up the cartridge tank when the amount becomes equal to or less than a predetermined amount, and compressing the knob handle spring by contacting the knob handle when the cartridge tank is loaded in the tank chamber. A boss holder for receiving the filler cap, a receiving tank with the boss holder attached to receive kerosene in the cartridge tank, and a discharge port of the filler cap that is positioned at a constant liquid level of the stored kerosene. A tank chamber lid that is openably and closably mounted on the upper part and has a through hole, and a part of the upper end of the cartridge tank that is mounted on the lower surface of the tank chamber lid and is displaced upward by the knob handle when the cartridge tank is picked. Touch and partly through the hole in the tank chamber lid To constitute a liquid fuel burner with an empty tank indicator projecting on the upper surface of the tank chamber lid.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention is constructed as described above. If there is a sufficient amount of kerosene in the cartridge tank that does not require refueling yet, the cartridge tank is connected to the boss holder by an oil supply port. With the cap facing the deepest position, the empty tank indicator is kept in contact with the upper end of the cartridge tank and kept hidden behind the tank chamber lid.

On the other hand, when the amount of kerosene in the cartridge tank decreases and becomes less than a predetermined amount, the spring force of the knob handle spring attached to the knob handle is larger than the total weight of the kerosene in the cartridge tank and the tank. , So that the filler cap, that is, the cartridge tank, is pushed upward.

Under these circumstances, if kerosene in the receiving tank continues to be consumed and kerosene flows out of the cartridge tank,
As the kerosene in the cartridge tank loses weight, the rise of the cartridge tank further progresses.In the end, the upper end of the cartridge tank comes into contact with the lower end of the empty tank indicator attached to the lower part of the tank chamber lid, A part of the upper surface of the tank chamber lid is made to appear through the through hole of the tank chamber lid, so that it is inevitably appealed to surrounding people that the time for refueling the cartridge tank has arrived.

[0008] Since the handle is pressed against the lower end of the filler cap by the force of the handle handle spring, the filler cap can be attached and detached without contaminating the hands with kerosene. I can do it.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

In FIG. 1, 1 is a cartridge tank, and 2 is a receiving tank for storing kerosene supplied from the cartridge tank 1. 3 is a boss holder provided on the receiving tank 2 side, and 4 is a boss installed upright at the center of the bottom of the boss holder 3.

Reference numeral 5 denotes a filler cap of the cartridge tank 1, reference numeral 6 denotes a core movable valve provided inside the filler cap 5, and reference numeral 7 denotes a core movable valve 6 in contact with the upper end of the boss 4.
Reference numeral 8 denotes a pulling for pressing the movable core valve downward in FIG. 1, and 9 denotes a rubber ring valve mounted on the outer peripheral side of the bottom surface of the movable core valve 6. Reference numeral 10 denotes the rubber ring valve 9 in a state where the cartridge tank 1 is pulled up from the boss holder 3 and is released from pushing up the boss 4.
Reference numeral 11 denotes a discharge port from which kerosene in the cartridge tank 1 is discharged. 12
Is a core house that houses the core movable valve 6.

Numeral 13 is a knob which serves as a rotary driving clue when attaching and detaching the filler cap 5. Numeral 14 designates a knob which is not rotatable with respect to the filler cap 1 but which can be moved up and down. An elevating guide cylinder attached to the outer peripheral portion of the filler cap 1, a knob handle spring 15 for pressing the knob 13 toward the discharge port 11 side of the filler cap 5, and 16 a lifting guide cylinder 1
4 is a spring receiving seat for receiving the handle handle spring 15 at the upper end side. In the state of FIG.
Although the knob 13 is pushed toward the cartridge tank 1, when the cartridge tank 1 is pulled up, it is pushed back to the front end (lower end) of the filler cap 5 by the repulsive force of the knob handle 15. It has become. Thus, if the operation of rotating the filler cap 5 at the time of refueling is performed by the knob 13, the hands need not be stained with kerosene. The spring force of the knob handle spring 15 is set so that the operation of pushing up the cartridge tank 1 can be started when the kerosene 17 in the cartridge tank decreases to a predetermined amount or less.

Reference numeral 17 denotes kerosene in the cartridge tank 1 and reference numeral 18 denotes kerosene in the receiving tank 2.

FIG. 1 shows that since a predetermined amount or more of kerosene is stored in the cartridge tank 1, the weight of the cartridge tank 1 causes the knob handle 1
3 shows a state in which it is placed at the lowermost position against the reaction force of the spring 15 for pressing and the spring 8 for pressing the core movable valve 6. The dimension Hf in the figure is the distance between the cartridge tank 1 and the receiving tank 2 when the cartridge tank 1 is at the lowest position.

FIG. 2 shows the state of the cartridge tank 1 in the fan heater in the state of FIG. 1 described above, that is, the state in which the filler cap 5 is installed sufficiently deep in the boss holder 3. In FIG. 2, 19 is a main body of a fan heater, 20 is a burner, 21 is a blower fan, 22 is a tank chamber provided with a cartridge tank, 23 is a tank chamber lid attached to the main body 19 and covers the upper part of the cartridge tank 1, 24 Is this tank chamber lid 2
A through-hole 25 is formed in the hinge 3, and a hinge 25 rotatably supports the tank lid 23, and a hinge 26 is attached to the hinge 25 and contacts the upper end thereof when the cartridge tank 1 is emptied and displaced upward. Partial through hole 2
4 is an empty tank indicator that protrudes through the upper surface of the tank lid 23 through 4. Note that the upper end of the empty tank indicator 26 is made different from the color tone of the tank chamber lid 23 so that the protrusion is conspicuous.

In one embodiment configured as described above,
If there is a sufficient amount of kerosene in the cartridge tank 1 that does not require refueling yet, the cartridge tank 1 should be repositioned with the oil filler cap 5 at the deepest position with respect to the boss holder 3 as shown in FIGS. Facing the position. And
The discharge of the kerosene is continued with the height of the discharge port 11 of the filler cap 5 in that state as the constant level of the kerosene in the receiving tank 2.

On the other hand, when the amount of the kerosene 17 in the cartridge tank 1 decreases and becomes equal to or less than a predetermined amount, the total weight of the cartridge tank 1 and the kerosene 17 in the tank is reduced.
A pick-up handle spring 15 attached to the pick-up handle 13 and a spring 8 attached to the core movable valve 6
Is more dominant, and the filler cap 5, that is, the cartridge tank 1 is pushed upward. Under this situation, if the consumption of kerosene 18 in the receiving tank 2 continues and the kerosene flows out of the cartridge tank 1, the cartridge tank 1 further rises with the decrease in the weight of the kerosene in the cartridge tank 1, and ends up. Figure 3
As described above, the rubber ring valve 9 of the core movable valve 6 comes into contact with the discharge port valve seat 10 of the oil supply port cap 5 to close the discharge port 10, and at that time the outflow of kerosene from the inside of the cartridge tank 1 is stopped. I do.

During this time, the discharge port 11 of the filler cap 5 rises with the rise of the cartridge tank 1, so that the kerosene liquid level in the receiving tank 2 rises accordingly. This is the height from the fully opened state of FIG. 1 to the closed state of FIG.

When the cartridge tank 1 is pushed upward by the springs 8 and 15, the upper end of the cartridge tank 1 becomes empty tank indicator 26.
The upper end of the empty tank indicator 26 passes through the through hole 24 of the tank chamber lid 23 and appears at the upper part of the tank chamber lid 23 as shown in FIG. In this state, it is inevitable to the surrounding people that the time for refueling the cartridge tank 1 has come.

As described above, the necessity of refueling the cartridge tank 1 can be detected by the empty tank indicator 26 appearing through the through hole 24 of the tank chamber cover 23 provided in the fan heater main body 19. Therefore, the determination of the refueling timing, which has been conventionally performed through the viewing window provided on a part of the side wall of the cartridge tank 1, can be performed at a glance at a glance.

Since the spring 15 inherent in the knob 13 of the filler cap 5 is used as a power source for raising the cartridge tank 1, there is no need to provide a dedicated power source separately. Under a very simple ingenuity that only slightly strengthens the power,
The initial purpose was fully achieved.

Further, since the knob cap 13 which is moved up and down by the force of the knob handle spring 15 is attached to the filler cap 5, the filler cap 5 can be attached and detached without soiling the hands with kerosene. became.

[0023]

As described above, according to the present invention, the arrival of the refueling time to the cartridge tank can be easily confirmed at a glance by the appearance of the empty tank indicator on the upper surface of the tank chamber lid provided in the combustor body. As a result, it became much easier and more reliable to grasp the state of refueling than in the past through a viewing window.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a main part of the present invention when lubrication is not yet required.

FIG. 2 is a cross-sectional view of the present invention when lubrication is not yet required.

FIG. 3 is a cross-sectional view when the refueling of the present invention is required.

[Explanation of symbols]

1: cartridge tank, 2: receiving tank, 3: boss holder, 4: boss, 5: filler cap, 6: movable core valve, 8: spring, 9: rubber ring valve, 10: valve seat,
11: Discharge port, 13: Knob handle, 14: Elevating guide tube, 15: Knob handle spring, 19: Body, 2
2: tank chamber, 23: tank chamber lid, 24: through hole, 25:
Hinge, 26: empty tank indicator.

Claims (1)

[Claims] 1. A liquid fuel combustor body (19), a burner (20) and a blower fan (21) provided in the body, and a tank chamber (22) formed in the body.
A cartridge tank (1) which is vertically inserted into and removed from the tank chamber; and a discharge port (11) which is provided at the lower end of the cartridge tank so as to protrude downward in a rotatable manner and is provided at the lower end face. , A knob handle (13) that can be moved up and down in the vertical direction on the outer peripheral portion of the filler cap and is attached to rotate the filler cap, and the filler cap. The knob is pressed toward the lower end of the filler cap, and the cartridge tank is pushed upward when the pressing force of the knob is reduced to a predetermined amount or less in the cartridge tank. The handle handle spring (15) having a startable strength and the cartridge tank A boss holder (3) for receiving the oil filler cap while abutting on the knob handle and compressing the knob handle spring when loaded into the tank, and attaching the boss holder to receive kerosene from the cartridge tank; A receiving tank (2) in which the position of the discharge port of the oil filler cap is at a constant liquid level of the stored kerosene, and a through hole (24) which is attached to the upper part of the tank chamber so as to be openable and closable are opened. A tank chamber lid (23), which is attached to a lower surface of the tank chamber lid and abuts a part of an upper end of the cartridge tank when the cartridge tank is displaced upward by the knob handle spring to form a part of the tank chamber; Empty tank indicator (26) protruding through the through hole of the lid to the top of the tank chamber lid Liquid fuel combustor characterized by being composed in.