JPH079277B2 - Engine oil changer - Google Patents

Description

TECHNICAL FIELD The present invention relates to an engine oil exchanging device installed in a gasoline filling station for an automobile or the like.

[Conventional technology]

In many of these gas stations, engine oil is replaced in addition to gasoline for automobiles.

Conventionally, as a method of oil exchange, first of all, to drain the oil, place a pan under the drain tank of the oil and remove the plug of the drain tank to drop the oil, or use a portable pump from the top of the tank. I suck it up and put it in an oil drain can. Also,
To supply the oil, an oil can is carried around to supply the oil from the supply port of the tank, or an oil supply device that discharges the oil from the end of the hose using a pump is used. The oil removing device and the oil supply device are separately installed.

In addition, if the oil in the oil supply device is empty,
Oil is replenished from an oil can using another device separately.

[Problems to be solved by the invention]

For this reason, two devices are required for the oil change, and the entire device is not only large-scaled, but also used less frequently than a gasoline refueling machine or the like.
Since the two devices are installed separately, they take up space and often interfere with other work.

Moreover, when replenishing the oil to the oil supply device, it is necessary to use another device, which is troublesome.

The object of the present invention is to eliminate the disadvantages of the conventional example, and to perform oil extraction and supply, and also to supply oil to the oil supply device continuously and easily on the spot by one device, thus improving work efficiency. In addition, it is possible to supply different types of oil with one device. In this case, the display can be shared, and the entire device can be made more compact, providing an easy-to-use engine oil changer. is there.

[Means for solving problems]

In order to achieve the above object, the present invention provides an engine oil changer in which an oil extracting device and a plurality of oil supplying devices are integrally incorporated in one case. The oil supplying device is provided with a 5-way switching valve. An oil tank is connected to the first port of the five-way switching valve, and a pump is provided in the oil supply pipe connected to the second and third ports of the five-way switching valve. The gist of the present invention is that the oil supply pipe connected to the is connected to an oil supply nozzle via a flow meter and a valve, and the fifth port of the five-way switching valve is provided with a supply port for connecting an oil supply hose for oil supply. Is.

[Action]

According to the present invention, since the oil draining device and the oil supply device are incorporated in one case, all the work from oil draining to oil supply can be continuously completed on the spot. Also, since a plurality of oil supply devices are provided, if this is used for different types of oil, it is possible to select the desired oil.

Further, by switching the 5-way switching valve, the oil supply pump and oil supply pipe used for oil supply can be used as they are to replenish oil to the tank.

〔Example〕

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a front view showing an embodiment of an engine oil exchanging device of the present invention, FIG. 2 is a side view of the same, and 1 in the drawing is a comparison in which an oil extracting device and an oil supplying device, which will be described later, are integrally incorporated. A flat unit case is shown. The unit case 1 is provided with a flame-retardant acrylic panel 2 on which letters and figures such as advertisements are written, and a lighting device 3 such as a fluorescent lamp is arranged behind it. .

As an oil draining device, first, a hose 4 for draining oil is hung below the front left side of the unit case 1, and a transparent scale with a scale 5 is marked on the peripheral surface so that the oil drained and its amount can be seen from the outside. A cylindrical waste oil display container 6 is provided. Further, a pump 7 for removing oil and a motor 8 are arranged in the case 1, and the motor 8 is turned on,
The off switch 9 is provided in front of the case 1. Reference numeral 10 in the figure denotes a waste oil discharge pipe, which connects the display container 6 and an underground tank (not shown). In the figure, 60 is an oil draining nozzle. The waste oil may be stored in the underground tank, but a waste oil tank may be provided in the case 1.

Next, an explanation will be given of the case where two oil supply devices are provided. In the front of the case 1, the hose 4 for removing oil is arranged, and on the right side thereof, for example, the oil supply hose 11 for high-grade oil A and the intermediate hose B for intermediate-grade oil B are provided. Suspend the refueling hose 12 and
Refueling nozzles 13 attached to the tips of these refueling hoses 11 and 12,
14 nozzle hooks 15 and 16 are provided above the nozzle hooks 1 and
5, 16 is turned on by interlocking with unplugging of refueling nozzles 13, 14,
Nozzle switches 17 and 18 for turning off are provided.

Then, transparent cylindrical display containers 19 and 20 each having the same height as the waste oil display container 6 and having an illuminating device inside are disposed above and to the left and right of the nozzle hooks 15 and 16, respectively. 19,20 for Oil A, Oil B
To use

Above the display containers 19 and 20, oils A and B, respectively.
In addition to the indications 21 and 22, the refueling indicator lamps 23 and 24 are provided, and a refueling amount indicator 25 and a refueling amount preset button 26 are provided side by side between the containers 19 and 20.

In the figure, 35 and 36 are flowmeters for oils A and B which are mounted below the display 25 and connected thereto, and 37 and 38 are flowmeters 35 and 36.
Integrators directly connected to, 39 and 40 are lids for the integrators.

Further, tanks 27 and 28 for oils A and B, pumps 31a and 31b for supplying oils A and B, and a motor 32 shared by both pumps 31a and 31b are provided in the lower part of the case 1, 2
Level gauges 29 and 30 were installed on 7 and 28, respectively, and they were exposed through the holes made in Case 1.

Supply ports 41 and 42 of oils A and B to the tanks 27 and 28 are provided in front of the case 1 above the tanks 27 and 28, respectively, and the oil B
A refueling hose 33 for replenishing the tanks 27, 28 is housed on the right side of the tank 28. The lids 41a and 42a of the supply ports 41 and 42 are made transparent to form a flow indicator. Reference numeral 34 in the figure denotes a lid for covering the opening for taking in and out the refueling hose 33.

Further, motor switches 43 and 44 for switching between supply and replenishment of oil are provided above the supply ports 41 and 42.

FIG. 3 shows a circuit diagram when oil is drained. A pump 7 having an oil draining motor 8 connected to it is disposed in the middle of an oil drain pipe 45 connecting the oil draining hose 4 and the waste oil display container 6. A valve 46 was provided in the middle of the discharge pipe 10 that connects the display container 6 and the underground tank.

FIG. 4 shows a circuit diagram for oil supply. To begin with, for oil A, the tank 27 and the root of the oil supply hose 11 are connected by an oil supply pipe 47, and the connection portion of the oil supply pipe 47 to the tank 27. A 5-way switching valve 48 is mounted nearby, the tank 27 is connected to the first port of the 5-way switching valve 48, and a motor is provided in the middle of the oil supply pipe 47 connected to the second and third ports of the 5-way switching valve 48. A pump 31a to which 32 is connected is provided, and a flow meter 35 in which a flow rate pulse transmitter 49 and an integrator 37 are connected to an oil supply pipe 47 connected to the fourth port of a 5-way switching valve 48 and a preset valve on the discharge side thereof.
The refueling nozzle 13 is connected through 50, and the five-way switching valve 48
The port is provided with a supply port 41 to which an oil supply hose 33 for oil supply is connected.

Similarly to the oil supply circuit for oil A, the oil supply circuit for oil B connects the tank 28 and the oil supply hose 12 with the oil supply pipe 51,
From the tank 28 side, a five-way switching valve 52, a flow meter 36 in which a flow rate pulse transmitter 53 and a totalizer 38 are connected, and a preset valve 54 are sequentially arranged in the middle of the oil supply pipe 51, and the discharge of the five-way switching valve 52 is performed. A pump 31b having a motor 32 connected to the side is provided.

A coupling 33a is provided at the end of the refueling hose 33 for replenishing oil. The supply ports 41, 42 provided on the 5-way switching valves 48, 52 are connected to the coupling 33a.
It has a shape to be connected to. Switch 9, motor 8, valve 46, nozzle switch 17,18, indicator lamps 23,24, oil supply amount indicator 25, preset button 26, motor 32, motor switch 43,44, preset valve 50,54 and flow rate pulse transmitter 49, 53 are connected to the controller 61.

Next, usage and operation will be described.

First, to drain the oil from the car oil tank,
Remove the oil drain hose 4 from the front of the case 1, attach the drain nozzle 60 to the tip, insert the nozzle 60 into the oil tank of the automobile, and close the switch 9 to control the device.
The output of 61 rotates the oil draining motor 8 to drive the pump 7 and simultaneously close the valve 46, and the oil in the oil tank passes through the hose 4 and is stored in the waste oil display container 6.

At this time, the amount of oil removed can be known on the scale 5 of the display container 6.

And if all the oil in the oil tank is drained,
When the switch 9 is opened, the motor 8 is stopped, and at the same time, the valve 46 is opened to discharge the oil accumulated in the display container 6 to the underground tank or the like via the discharge pipe 10.

Next, in order to refill the oil tank of the automobile with new oil, for example, oil A, first set the motor switch 43 to the refueling side (for example, left side), and press the preset button 26 to preset the refueling amount. When the refueling nozzle 13 is removed from the nozzle hook 15, the nozzle switch 17 is turned on, and the output from the switch 17 turns on the display lamp 23 to indicate that the oil A is being refueled and the valve 50 is opened. At the same time, the valve 54 for oil B is automatically locked, and the indicator 25 is reset to zero. And at the same time the motor for refueling
32 rotates and pumps 31a and 31b drive.

Therefore, when the oil supply nozzle 13 is inserted into the oil tank, the oil A pumped up from the tank 27 by the pump 31a passes from the oil supply hose 11 to the oil supply nozzle 13 through the oil supply pipe 47 via the five-way switching valve 48, It is discharged into the oil tank. During this time, when the oil passes through the flow meter 35, the flow rate is measured, exchanged into a pulse signal by the flow rate pulse transmitter 49, counted by the control device 61, displayed as the oil supply amount on the display 25, and displayed on the integrator 37. Accumulated.

Then, when the amount of refueling reaches the preset amount, the preset valve 50 closes and refueling ends, so if the refueling nozzle 13 is returned to the nozzle hook 15, the nozzle switch 17 is turned off, the motor 32 is stopped, and the indicator lamp 23. Goes out, and the other oil B side valve 54 is unlocked.

Note that the oil to be replenished is supplied at the inlet when flowing through the switching valve 48.
Since it can be seen from the lid 41a of 41, it is possible to confirm the property of oil and the presence or absence of air inclusion.

When the oil B is supplied, the same operation as that for the oil A is performed, and the motor 32, the display 25, and the preset button 26 which are used when the oil A is supplied share the same.

Next, the case of replenishing oil to the tanks 27 and 28 will be described. For example, in order to replenish the oil A to the tank 27, a replenishing oil tank such as a drum containing the oil A is carried to the front of the case 1, Open the lid 34 of No. 1 and take out the refueling hose 33 for replenishment. When one end of the hose 33 is connected to the replenishing oil tank and the coupling 33a at the other end is inserted into the supply port 41 and connected to the switching valve 48, the switching valve 48 is automatically switched and the refueling hose 33 for replenishment and the tank are supplied. 27 is a pump
It is communicated through 31a.

In this state, if the motor switch 43 is tilted to the right to switch to replenishment, the motor 32 rotates and the pumps 31a and 31b are driven to replenish oil from the replenishment tank to the tank 27.
At this time, the amount of replenishment can be found by looking at the level gauge 29 attached to the tank 27. If the tank 27 is full, tilt the motor switch 43 to the difference side to switch to the refueling side and stop the motor 32. Then, the coupling 33a is removed and the hose 33 is stored in the case 1 again.

Similarly, the oil supply to the tank 28 for the oil B is performed by inserting the hose 33 into the supply port 42 and switching the switch 44 for supply.

〔The invention's effect〕

As described above, by arranging the oil draining hose and the oil supply hose in front of one case in parallel in one device, the oil draining and the oil supply can be continuously and quickly performed on the spot. The work efficiency can be improved. Also, 1
Since one indicator can be shared by a plurality of oil supply devices, the entire device can be compactly integrated and is easy to use.

Further, the replenishment oil tank such as a drum can can be replenished to the tank simply by switching the 5-way switching valve provided in the oil supply device, using the pump or the oil supply pipe used for refueling as it is. .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view showing an embodiment of an engine oil exchanging device of the present invention, FIG. 2 is a side view of the same as above, FIG. 3 is a circuit diagram for removing oil, and FIG. It is a circuit diagram for supply. 1 …… Unit case 2 …… Panel 3 …… Lighting device 4 …… Oil draining hose 5 …… Scale 6 …… Waste oil display container 7 …… Oil draining pump 8 …… Motor, 9 …… ON, Off switch 10 …… Discharge pipe, 11,12 …… Refueling hose 13,14 …… Refueling nozzle, 15,16 …… Nozzle hook 17,18 …… Nozzle switch 19,20 …… Display container 21,22 …… Display , 23, 24 …… Indicator lamp 25 …… Lubrication amount indicator 26 …… Preset button for lubrication amount 27, 28 …… Tank, 29, 30 …… Level gauge 31a, 31b …… Pump, 32 …… Motor 33… … Refueling hose, 33a …… Coupling 34 …… Lid, 35,36 …… Flowmeter 37,38 …… Integrator, 39,40 …… Integrator lid 41,42 …… Supply port, 41a, 42a ...... Lid 43,44 ...... Motor switch 45 …… Oil drain pipe, 46 …… Valve 47,51 …… Oil supply pipe, 48,52 …… 5-way switching valve 49,53 …… Flow pulse generator 50, 54 …… Preset valve 60 …… Oil draining nozzle 61 …… Control device

Claims (1)

[Claims] 1. An engine oil exchanging device in which an oil extracting device and a plurality of oil supplying devices are integrally incorporated in one case, wherein the oil supplying device is provided with a 5-way switching valve. An oil tank is connected to the first port of the switching valve, a pump is provided in the oil supply pipes connected to the second and third ports of the five-way switching valve, and an oil supply pipe is connected to the fourth port of the five-way switching valve. An engine oil changer characterized in that is connected to an oil supply nozzle via a flow meter and a valve, and a supply port for connecting an oil supply hose for oil supply is provided at the fifth port of the five-way switching valve.