JP3247927B2 - Refueling tank with full alert - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refueling tank having a full-amount notification used in a petroleum fan heater, a portable stove, or the like.

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Utility Model Laid-Open Publication No. 1-144634, a buzzer or the like is used when the fuel supply to a cartridge type tank becomes full. The informing means is operated to inform the user of the informing means, thereby reliably preventing a problem such as a floor surface being stained by fuel overflow.

[0003]

In this conventional apparatus, since a float for directly detecting the amount of fuel and a magnet are provided in the tank, an oil feed hose of a hose pump for replenishing fuel is provided. If the tank is replenished while it is in contact with the float or magnet during replenishment, there is a danger that the full amount cannot be reported, and the refueling hose moves freely in the tank during replenishment. However, there is also a problem that the oil level is greatly wavy and an accurate oil amount cannot be detected, and the full amount notification unit malfunctions.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned drawbacks, the present invention focuses on this point, and in particular, the structure of the float includes a float that moves up and down or rotates according to the amount of fuel, A fuel tank provided with a full-amount notifying unit including: a magnet attached to the head, a lead switch that performs a switching operation by contacting and separating the magnet, and a notifying unit that performs a full-state notification by a switching operation of the lead switch. In the fuel supply port of the tank, an oil supply hose of a hose pump for refueling fuel is provided.
A hose guide for holding the hose is provided, and the hose guide is extended to be equal to or lower than the full-amount informing section.

[0005]

When supplying fuel to the cartridge-type refueling tank 1, an oil supply hose 39 of a hose pump (not shown) is first inserted into the refueling port 2.
Is provided with a hose guide 38, so that an oil feed hose is provided.
The hose 39 is fitted in the hose guide 38 and the position in the tank 1 is held. In this position, the hose guide 38 itself extends below the full-amount informing section 16, so that the full-amount informing section 16 is provided.
It is below.

In this state, the hose pump may be operated to replenish the fuel tank 1 with fuel oil from a plastic tank (not shown) or the like.
8 and the tip is located below the full-amount informing section 16, so that the oil feeding hose 39 contacts the float 22 and the magnet 23 of the full-amount informing section 16 to inform the full-amount. And the oil level is small and there is no fear of malfunctioning of the full level notification, and the full level notification can always be performed reliably.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a refueling tank with full capacity notification according to the present invention will be described with reference to one embodiment shown in the drawings. Reference numeral 1 denotes a cartridge-type refueling tank which is provided so as to be capable of freely entering and leaving an oil fan heater or the like. I have.

Reference numeral 4 denotes an oil filler cap for closing the oil filler 2, which is provided with a valve device 5 which is opened when set to an appliance and a packing body 6 which is in close contact with the oil filler 2.
As a whole, it is fixed to a base 9 which can be raised and lowered by a reaction force of an elastic member 8 with a shaft support 7 at one end as a fulcrum.

Reference numeral 10 denotes a locking lot provided on the fixing plate 3, which locks a hook fitting 11 provided on the base 9 to close the oil filler port 2 and an operation button 12 protruding outward.
, The lock is released, and the base 9 is automatically erected to open the refueling port 2.

Reference numeral 13 denotes an oil meter provided on a side wall of the refueling tank 1 on the operation button 12 side, and a display window 14 formed by covering the outer periphery of a transparent synthetic resin with a packing (not shown); And a cover 15 which covers the oil level from the transparent display window 14 to expose a certain range of 75 to 90% of the tank capacity.

Numeral 16 denotes a full-amount notifying unit provided on the same wall as the oil meter 13 at a small distance from the oil meter 13. An oil amount detecting means 18 for detecting the amount of oil, and a flat oval type having four parts fixed by screws 20 via packing 19 so as to support the oil amount detecting means 18 and close the opening 17 on the side wall of the oil supply tank 1. And the main body 21.

The oil amount detecting means 18 is formed of a synthetic resin, and has a cylindrical float 22 which is integrally formed at one end and floats on the oil surface and moves up and down according to the amount of oil.
Is provided so as to be rotatable around the shaft support portion 24 as a fulcrum.

Further, in the main body 21, a lead switch 25 which is opposed to the magnet 23 in a full position and is closed is provided.
Notification means 28 comprising a melody IC 26 and a piezoelectric buzzer 27 for playing a melody of seconds, a printed board 29 constituting these electric circuits, and a lid which is a power supply for operating each electric component and which is easy to remove. The button battery 31 covered with 30 is stacked and stored compactly.

The main body 21 itself has a concave storage section 32 facing the magnet 23 and in contact with fuel oil, and a printed board 29.
The inner holding portion 33 holding the piezoelectric buzzer 27 and the button cell 31 is formed of a synthetic resin of a non-magnetic material to which the magnet 23 does not stick, while the cover body 34 exposed to the outside of the refueling tank 1 is Except for the above-mentioned lid 30 part, it is formed of a strong metallic material.

At a position facing the piezoelectric buzzer 27 of the holding portion 33, a φ3 sound emission hole 36 for emitting a buzzer sound is formed at the center through an acoustic space 35 having a small volume. Further, a portion of the outermost cover body 34 facing the piezoelectric buzzer 27 is provided with a cover hole 37 of φ3 for sound emission.
Individually formed.

The full-amount notifying section 16 is mounted so as to notify the full amount when the oil level display by the oil amount meter 13 reaches a substantially middle full position.

Reference numeral 38 denotes a cylindrical hose guide formed of a synthetic resin. The upper end of the hose guide is engaged with the oil supply port 2 and hangs down in the oil supply tank 1 to feed a commercially available hose pump for refueling. The oil hose 39 is held therein. Two long holes 40 for venting air are formed in the side wall, and the lower end is formed as a supporting portion 41 for holding the oil feeding hose 39 with a smaller diameter than the other. In this case, the oil supply hose 39 is suspended below the full-amount notification unit 16 so that the oil supply hose 39 does not contact the oil amount detection unit 18.

Next, the operation of this embodiment will be described. To replenish the fuel in the refueling tank 1 now, the operation button 12 is pulled to open the refueling port 2 with one-touch operation.
At this time, the oil supply hose 39 is guided and held by the hose guide 38 and located in the oil supply tank 1, so that the float 22 and There is no need to worry about contacting the oil amount detecting means 18 such as the magnet 23, and since the oil feed hose 39 cannot move in the oil supply tank 1, the oil level does not greatly wave, and the full amount notification unit is always reliably provided. 16 can be operated and can be used with confidence.

The amount of oil in the refueling tank 1 is 7
When the oil level reaches 5%, the oil level display by the oil meter 13 is started, that is, the oil level in the oil tank 1 is displayed on the display window 14 as it is, and the user can thereby display the current oil level. The amount can be known.

Further replenishment proceeds, and an oil meter 13 shown in FIGS.
Is reached, the oil amount detecting means 18 rotates in accordance with the oil amount, the magnet 23 faces the lead switch 25, and the lead switch 25 is closed. The quantity notifying section 16 emits an alarm sound for about 5 seconds to notify that the battery is full, and the user may hear this to immediately stop replenishment.

Accordingly, by providing two full indications of the oil level gauge 13 which appeals to the sight and the fullness notification unit 16 which appeals to the auditory sense, the full state can be surely known, and particularly in dark places and noises. Even when replenishing in intense places, it is possible to know the full amount by utilizing the advantages of each display and notification means, and there is no problem such as fuel overflowing in any state and soiling the floor, so it is always used with peace of mind It can be used and is easily used by visually impaired or hearing impaired persons.

On the other hand, both the oil gauge 13 and the full-amount informing unit 16 display the empty amount state due to the configuration thereof. In particular, when the empty-amount notification is performed by the full-amount informing unit 16 for about 5 seconds, the refueling in the appliance is performed. Even if the tank 1 is stored, the user can easily know the empty state and can use the full amount informing section 16 without any special empty amount notification, which is extremely convenient.

[0023]

In summary, the present invention relates to a float which moves up and down or rotates according to the amount of fuel, a magnet attached to the float, and a lead switch which performs a switching operation by contacting and separating the magnet. And a notifying unit for notifying the fullness by the switching operation of the lead switch. In a refueling tank provided with a fullness notifying unit, a refueling port of the tank is provided at a refueling port of the tank. Since the hose guide is provided with a hose guide for holding the oil feed hose and the hose guide is extended to be equal to or lower than the above-mentioned full-amount informing section, the full-amount informing section is provided with a full-amount informing section. It can be performed reliably, can be used without any worry of malfunction, and can always be used with peace of mind. It is extremely easy to use without any fear of soiling the floor when refueling.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a fuel tank provided with an embodiment of the present invention.

FIG. 2 is a partially exploded perspective view of the main part.

FIG. 3 is an explanatory diagram showing a display state on the oil meter.

FIG. 4 is an explanatory diagram showing a notification state in the full amount notification device in the same state as in FIG. 3;

FIG. 5 is an electric circuit diagram of the fullness notifying device.

FIG. 6 is a sectional view of the main part.

FIG. 7 is a front view of the main part.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 refueling tank 2 refueling port 16 fullness notification section 22 float 23 magnet 25 lead switch 28 notification means 38 hose guide 39 oiling hose

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-8-219440 (JP, A) JP-A-8-145335 (JP, A) JP-A-6-66419 (JP, A) JP-A-2- 275213 (JP, A) Japanese Utility Model 5-90138 (JP, U) Japanese Utility Model 7-41237 (JP, U) Japanese Utility Model 1-144634 (JP, U) Japanese Utility Model Utility Model 63-640 (JP, U) Shokai 56-117254 (JP, U) Registered utility model 3008216 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F23K 5/14

Claims (1)

(57) [Claims] A float that moves up and down or rotates according to the amount of fuel, a magnet attached to the float,
In a refueling tank provided with a full-amount notifying section including a lead switch that performs a switching operation by contact and separation of the magnet and a notifying unit that performs a full-charge notification by the switching operation of the lead switch, The fuel filler is provided with a hose guide for holding an oil feed hose of a hose pump for fuel replenishment, and the hose guide is extended to be equal to or lower than the above-described full-amount notification unit. Refueling tank with full alert.