JP2000297927A - Oil tank device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent fingers from being stained even when a work to mount and demount a tank cap to which kerosene is adhered is carried out with bear hands. SOLUTION: A fill opening cap 9 on which a knob handle 20 is mounted is mounted on a fill operating 6 of a cartridge tank body 5 having conventional structure as it is. When an oil receiving tray and a boss holder having conventional structure as it is are charged with kerosene, a cartridge tank body 5 is pushed upward. However, since a contact relation between a discharge port 12 at the tip thereof and an ejection pin on the boss holder side is not changed from a conventional type by a fine cylinder part 11 of the fill opening cap 9, the same specified oil level height as that of the conventional type is maintained. Further, any improvement is not applied on an accessory, such as an oil shortage sensor, and this device is utilized as it is. Besides, there is no worry for oil to soil fingers, and the fill opening cap 9 is mounted and demounted without anxiety.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refueling tank device for refueling a liquid fuel combustor.

[0002]

2. Description of the Related Art FIG.
This will be described with reference to FIG.

FIG. 2 is a cross-sectional view of a main part showing a state in which an oil tank for a fan heater, that is, a cartridge tank, is normally set on an oil pan in a fan heater main body.

In FIG. 2, reference numeral 1 denotes an oil pan fixedly provided in the main body of the fan heater, and reference numeral 2 denotes a boss holder mounted on the upper surface of the oil pan 1.

Reference numeral 3 denotes a push pin provided at the center of the bottom of the boss holder 2 in an upward direction, and reference numeral 4 denotes an outlet from which kerosene discharged into the boss holder 2 flows out to the oil receiving tray 1.

Reference numeral 5 denotes a cartridge tank body, reference numeral 6 denotes a filler port of the cartridge tank body, and reference numeral 7 denotes a screw-type filler cap attached to the filler port 6, which has a push pin 3 on the boss holder 2 side at its tip. It has a well-known structure provided with a discharge valve which is opened by being protruded.

When the cartridge tank main body 5 is installed on the boss holder 2 of the oil receiving tray 1 as shown in FIG. 2, the kerosene discharge port of the oil filler cap 7 is pushed up by the push pin 3 so that the kerosene flows out and discharges. The kerosene spill stops when the outlet is submerged in oil. After that, when kerosene is consumed and the oil level is lowered, the discharge port appears on the oil level, so the flow of kerosene from the discharge port is restarted, and when the oil level rises again and the discharge port sinks in the oil, The outflow stops. The oil level when the outlet is submerged and the outflow of kerosene is stopped is the constant oil level of the oil pan 1.

Reference numeral 8 denotes an out-of-oil sensor mounted on the oil receiving tray 1, which detects when the oil level becomes lower than a predetermined value and the necessity of refueling occurs, and outputs the information. is there.

In the above-described structure, when refilling the empty cartridge tank body 5, the cartridge tank body 5 is pulled out from the boss holder 2, the top and bottom are exchanged and placed upward, and the oil filler cap 7 is closed. The cartridge must be rotated and removed from the oil supply port 6 of the cartridge tank body 5.

[0010]

In this conventional example,
When the attachment / detachment work of the filler cap 7 to which kerosene has to be attached has to be performed with bare hands, there is a problem that fingers are stained with kerosene.

In order to solve this problem, we have developed a practical refueling tank device which achieves the intended purpose without changing the dimensions of the conventionally used oil pan and cartridge tank body as much as possible. That is what we are trying to achieve.

[0012]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has a cartridge tank main body, an oil supply port provided in the cartridge tank main body, and an upper end of the oil supply port. An oil filler cap formed by forming an abutting step to hold an oil filler packing for preventing oil leakage, and having a small-diameter cylindrical part formed at the upper end side with the formation of the step and screwed into the oil filler to be attached. A spring seat formed by projecting in a brim shape at one end of the filler cap on the cartridge tank body side, and a discharge port formed at the tip of the small-diameter cylindrical portion at the other end of the filler cap, A movable core valve provided inside the small-diameter tubular part to open and close this discharge port, and a cylindrical shape attached from the spring seat around the oil filler cap to this discharge port An elevating guide tube, a flange formed by projecting an end corresponding to a discharge port side of the elevating guide tube outward, and a part of a wall surface of the elevating guide tube along an axial direction of the elevating guide tube. A guide rib formed so as to continuously bulge out linearly, a knob handle fitted between a spring seat and a flange of the lift guide cylinder, and a guide rib at a fitting portion of the lift handle with the lift guide cylinder. In addition, the knob is provided between the knob and the spring seat, with a notch formed to allow the lift handle to move in the axial direction of the lift guide cylinder, but not to allow sliding rotation with respect to the lift guide cylinder. The refueling tank device was composed of a coil spring that constantly pressed the handle against the flange side of the elevating guide cylinder.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention has the above-mentioned structure, and allows a fuel filler cap to be easily removed from a fuel filler port without soiling fingers with kerosene.

Further, a spring receiving seat, an elevating guide cylinder,
Since an attachment / detachment consisting of a knob, a coil spring, etc. must be provided as an intervening member between the oil pan and the cartridge tank body, it is inevitable to push up the cartridge tank body upward. A step is formed at a portion corresponding to the tip of the mouth to hold an oil leakage packing for preventing oil leakage there, and the cartridge tank as described above is provided at the discharge port side at the end of the step. When the cartridge tank main body is loaded in the oil pan, the contact relationship between the oil filler cap side discharge port and the boss holder side protruding pin forms a small-diameter cylindrical part corresponding to the amount of pushing up of the main body. It did not change.

[0015] Thus, the oil level in the oil receiving tray is not changed, and the oil level sensor and other components can be used as they are without any special modification. I made it.

[0016]

An embodiment of the present invention will be described below with reference to FIG.

FIG. 1 is a cross-sectional view of a main part of a fuel tank for a fan heater, that is, a cartridge tank body, which is leaned up with a fuel supply port upward for fueling. In FIG. 1, the cartridge tank main body and the oil supply port attached thereto are exactly the same as those described in the description of the conventional example.

In FIG. 1, reference numeral 9 denotes a filler cap which is detachably screwed into the filler port 6 of the cartridge tank body 5.

The filler cap 9 is screwed into the filler port 6 as shown in the figure. Reference numeral 10 denotes a step formed at a position corresponding to the upper end of the fuel filler port 6, which forms a contact portion with the upper end of the fuel filler port 6, and serves as a holding part for a fuel filler packing described later. Reference numeral 11 denotes a small-diameter cylindrical portion provided through the formation of the step portion 10, and reference numeral 12 denotes a discharge port opened at an upper end thereof.

Reference numeral 13 denotes a core house mounted inside the filler cap 9, reference numeral 14 denotes a movable core valve which is provided in the core house 13 and opens and closes the discharge port 12, and reference numeral 15 denotes this movable core valve. O-ring packing provided between the discharge port 12 and the discharge port 12 to ensure the sealing of the discharge port 12.
Reference numeral 6 denotes a core coil spring that presses the movable core valve 14 to the discharge port 12 side.

17 is a discharge port 12 of the core house 13
Is an outlet for the kerosene in the cartridge tank main body 5, and an opening 18 for the kerosene in the cartridge tank main body 5 is provided.
This is an oil filler packing that is installed between the two and ensures the tightness between the two to prevent oil leakage.

Reference numeral 19 denotes an auxiliary device for attaching and detaching the filler cap 9, which is provided so that the filler cap 9 can be attached to and detached from the filler port 6 without directly touching the filler cap 9 with fingers. .

The attachment / detachment assisting device 19 will be described in detail. Reference numeral 20 denotes a brim-shaped knob for hooking a finger, and reference numeral 21 denotes a cylindrical member provided for attaching the knob 20 to the outside of the filler cap 9. The lifting guide tube 22 is a flange formed at the upper end of the lifting guide tube 21 to prevent the handle 12 from falling off. Reference numeral 23 denotes a guide rib formed continuously and bulging vertically and linearly outside a part of the wall surface of the elevating guide cylinder 21.
Is made to be able to move up and down while preventing slip rotation. A notch 24 is provided on the picking handle 20 and engages with the guide rib 23. Although not shown in detail in FIG. 1, the guide ribs 23 and the notches 24 are formed at four positions at equal intervals.

Reference numeral 25 denotes a spring seat which is formed in a skirt of the filler cap 9 so as to protrude in a brim shape.
Reference numeral 6 denotes a coil spring provided between the spring seat 25 and the knob 20 to press the knob 20 toward the discharge port 12 of the filler cap 9.

FIG.
When the oil filler cap 9 in which the detachment assisting tool 19 of FIG. 1 according to the present invention is attached to the cartridge tank body 5 having the conventional structure is loaded into the oil receiving tray and the boss holder having the conventional structure, The cartridge tank body 5 is pushed upward by the interposition of the coil spring 26 and the knob 20, and the fuel filler cap 9 is provided with a small-diameter cylindrical portion 11 having a length corresponding to the pushing dimension. The contact relationship between the discharge port 12 and the push pin 3 on the boss holder 2 side is realized without any difference from the conventional one, and the same constant oil level as the conventional one is realized.

Therefore, the accessories such as the oil-out sensor can be used as they are without any modification.

Thus, the discharge port 1 of the cap 9
Even if kerosene is adhered near 2, by holding and operating the knob 20, kerosene does not directly touch the fingers, and the oil filler cap 9 can be attached and detached with ease.

[0028]

As described above, according to the present invention, the filler cap can be easily removed from the filler port of the cartridge tank main body without soiling the fingers with kerosene.

Further, a spring receiving seat, an elevating guide cylinder,
A detachable device consisting of a knob, a coil spring, etc. was provided as an intervening member between the oil pan and the cartridge tank main body, so it was inevitable to push it up above the cartridge tank main body. A step is formed at a portion corresponding to the tip to hold an oil filler packing for preventing oil leakage there. And the contact relationship between the oil filler cap-side discharge port and the boss holder-side push pin when the cartridge tank body is loaded is not changed from the conventional one. The oil level inside can be kept unchanged, so special modifications must be made to the oil level sensor and other parts. Ku now can be used as it is.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of an embodiment of the present invention.

FIG. 2 is a sectional view of a main part of a conventional example.

[Explanation of symbols]

5: cartridge tank body, 6: refueling port, 9: refueling port cap, 10: stepped portion, 11: small-diameter cylindrical portion, 12: discharge port, 20: knob, 21: elevating guide cylinder, 22:
Flange, 23: guide rib, 24: notch, 25: spring seat, 26: coil spring.

Claims (1)

[Claims] 1. A cartridge tank body (5), an oil supply port (6) provided in the cartridge tank body,
A step (10) is formed to abut on the upper end of the filler port to hold a filler opening (18) for preventing oil leakage, and a small-diameter cylindrical part (1) is formed on the upper end side as the step is formed.
A filler cap (9) formed with 1) and screwed into the filler port, and a spring seat (25) formed in a brim-like shape at one end of the filler cap on the cartridge tank body side. A discharge port (12) provided at the end of the small-diameter tube portion on the other end side of the fuel filler cap; and a movable port provided inside the small-diameter tube portion for opening and closing the discharge port. A child valve (14), a cylindrical elevating guide tube (21) attached from the spring seat portion around the oil filler cap to the discharge port portion, and a discharge port side of the elevating guide tube. A flange (22) formed with a corresponding end projecting outward and a linearly continuous bulge formed on the outside of a part of the wall surface of the elevating guide tube in the axial direction of the elevating guide tube. Guided guide (23), a knob handle (20) fitted between the spring seat and the flange of the lifting guide tube, and engaging the guide rib at a fitting portion of the knob handle with the lifting guide tube. A notch (24) formed to allow the knob handle to move in the axial direction of the lift guide cylinder but not to allow sliding rotation with respect to the lift guide cylinder, and a notch (24) formed between the handle and the spring seat. An oil supply tank device, comprising: a coil spring (26) installed between the knob and the pressing handle to constantly press the knob on the flange side of the elevating guide cylinder.