JPS60158094A - Lubricating device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a refueling device installed at a gas station, for example.

As is well known, refueling is performed with the lever for opening and closing the refueling nozzle valve pulled, that is, with the valve open, by hooking the lever onto the holding mechanism, such as a latch, and when refueling is completed. For example, remove the lever from the latch, close the valve, and then hang it on the nozzle hook. When the refueling nozzle is hooked to the nozzle hook, the switch turns off and the refueling pump stops.

However, (a) in a preset lubrication operation in which a fixed amount of oil is supplied, if the fixed amount is supplied and the main valve of the lubrication device is closed, or (b) if there is a power outage or the pump motor falls down during refueling, the lever should be turned off. Even if the nozzle valve is open when it is pulled, oil will not flow out, so as mentioned above, you may leave the lever latched and hang it on the nozzle hook. Particularly at self-service gas stations, when preset refueling is performed, it is easy to leave the lever latched and hang it on the nozzle hook.

In that case, when the next person trying to refuel removes the refueling nozzle from the nozzle hook, the lever remains pulled, so the nozzle hook switch closes, the indicator returns to zero, and the pump motor starts. This is extremely dangerous as the oil may be discharged directly from the refueling nozzle.

Therefore, an object of the present invention is to provide a nozzle hook for a refueling device that cannot be hung on the nozzle hook when the lever of the refueling nozzle is pulled, and therefore prevents oil from being unnecessarily discharged during the next refueling operation. There is something to do.

In a normal refueling device, the locking part of the refueling nozzle consists of a hole drilled in a nozzle guard around the lever for opening and opening the valve, and the Iζ engaging part provided in the nozzle hook is located in the hole. It consists of a protrusion that is inserted.

The refueling device according to the present invention includes a refueling nozzle in which a locking portion is formed when a lever for opening and closing a valve is in a valve closed position, and a nozzle hook provided with an engaging portion that engages with the locking portion of the refueling nozzle. It has

Therefore, when the lever is pulled, the refueling nozzle does not have a locking part, so it is not hooked to the nozzle hook.Therefore, when the lever is pulled, the refueling nozzle is not hooked to the nozzle hook. During the next refueling operation, there is no danger of oil being spewed out when the refueling nozzle is removed from the nozzle hook.

In carrying out the present invention, it is preferable that the locking part of the refueling nozzle is constituted by a part of the lever of the refueling nozzle and a guard for the lever, and the retaining part provided on the nozzle hook is engaged with the locking part. It is preferable to use a matching protruding convex portion, that is, a stopper.

In order to better understand the present invention, a preset oil supply system will first be described with reference to FIG.

In Figure 1, the oil supply system! The IK is equipped with a pump P that sucks up the oil in the tank T, and the pump P is driven by a motor M. The oil sucked up by the pump P flows into a hose H via a flow meter 1 and a main valve 2, and is then discharged from an oil supply nozzle N. Flow meter 1
A pulse transmitter 3 is provided, and a signal from the pulse transmitter 3 is displayed on a display meter 5 via a control device 4.

On the other hand, a nozzle hook 6 is provided on the side of the oil supply device,
A nozzle switch 7 is also provided. Further, a preset device 8 is provided, so that a predetermined oil supply amount can be preset.

Therefore, in operation, when the preset amount is determined by operating the preset device 8, the signal is transmitted to the control device W114 and stored. Hook the refueling nozzle N 6
When removed from the nozzle switch 7, the signal from the nozzle switch 7 becomes tIII@
The signal is transmitted to the device 4, the main valve 2 is opened, the motor M is driven, and the display meter 5 returns to zero. When the lever of the oil supply nozzle N is pulled, oil is discharged from the oil supply nozzle N from the pump P through the flow meter 1 and the main valve 2. The flow rate is then displayed on the display meter 5. When the preset amount is reached,
When the main valve 2 is closed by a signal from the control device 't14 and the refueling nozzle N is applied to the nozzle hook 6, the motor M is stopped by the nozzle switch 7.

FIG. 2 shows a conventional refueling nozzle nozzle device that has been implemented in such a refueling station. The grip part 10 of the refueling nozzle N has a valve nr! ] and a latch 1 that is a holding mechanism that holds the lever 11 in a pulled state.
2 and a single-shaped guard 1 that surrounds the lever.
3, and a hole 14 constituting a locking portion of the refueling nozzle N is provided on the lower side of the guard 13 (lower side when the refueling nozzle N is hung on the nozzle hook). Also, the refueling nozzle N
A nozzle pipe 15 is provided at the tip.

On the other hand, the nozzle hook 6 of the refueling device [K is provided with a protruding convex portion 16 that constitutes an engaging portion that engages with the hole 14, that is, a stopper. A hood 17 that accommodates the nozzle 1E15 is formed in the oil supply device K. Furthermore, a switch actuation lever 18 that is actuated by the guard 13 of the refueling nozzle N is rotatably provided on the nozzle hook 6 about a fulcrum 19, and a projection 2 provided on the switch actuation lever 18 is provided.
0 engages with the actuator 21 of the nozzle switch 7.

Therefore, when the refueling nozzle N is hung on the nozzle hook 6, the nozzle pipe 15 at the upper part of the refueling nozzle N engages with the 7-door 17, and the hole 14 of the guard 13 at the lower part engages with the convex part 16. The refueling nozzle N is held by the nozzle hook 6 and will not fall.

However, as shown in FIG. 2, in the conventional device, the stopper 16 can be inserted into the hole 14 even in the state 7j when the lever 11 is engaged with the latch 12. Therefore, if the refueling nozzle N is hung on the nozzle hook 6 while the lever 11 is pulled, the lever 11 will be kept in the pulled state, so the refueling nozzle N will be removed from the nozzle hook 6 during the next refueling operation as described above. At the same time, there was a drawback that oil was directly discharged.

The present invention was invented to solve the above-mentioned drawbacks, and will be described in detail below with reference to FIGS. 3 and 4. In these drawings, parts corresponding to those in FIG. 2 are designated by the same reference numerals, and redundant explanation will be omitted.

In FIGS. 3 and 4, guard 1 of the refueling nozzle N
3 is provided with an L-shaped hole 22, and the lower end of the lever 11 is provided with a bent portion 11a#. The bent portion 11a of the lever 11 fits into the corner of the hole 22, as shown in FIG. At this time, that is, when the lever 11 is in the valve-closed position, the bent portion 11a of the lever 11 and the hole 22 form a locking portion for the refueling nozzle N, that is, a hole 23.

When lever 11 is hooked to latch 12, hole 2
3 is not formed, the nozzle hook engaging part, that is, the stopper 24 cannot hold the refueling nozzle N, and when the lever 11 is returned, the hole 23 is formed.
The refueling nozzle N can be held on the nozzle hook 6 by a stopper 24. On the other hand, nozzle hook 6
, the switch operating lever 25 is rotatably set around a fulcrum 26 and biased counterclockwise by a spring 27, and the stopper 24 is engaged with the hole 23, that is, the refueling nozzle N is closed. In the state where it is hung on the nozzle hook 6, one end of the switch actuation lever 25 is connected to the lever 11.
The other end is pushed down by the bent portion 11a of the nozzle switch 7, and the other end engages with the actuator 28 of the nozzle switch 7. Therefore, as shown in FIG. 3, when the lever 11 is in the valve open state, that is, when the latch 12 is engaged, the refueling nozzle N cannot be engaged with the nozzle hook 6, and the switch operating lever 25 does not move.

However, as shown in FIG. 4, the lever 11 disengages from the latch 12 and returns to the valve closed position. Stopper 24 is hole 2
When the refueling nozzle N protrudes into the nozzle hook 6 and is locked to the nozzle hook 6, the bent i111a of the lever 11 engages with the switch actuating lever 25 to actuate the actuator 28.

Therefore, the refueling nozzle N cannot be held on the nozzle hook 6 when the valve opening/closing lever 11 is pulled, so that the risk of oil being inadvertently discharged during the next refueling operation can be prevented. Further, if the nozzle switch 7 is configured to be inactive unless the refueling nozzle N is locked to the nozzle hook 6 as in the illustrated embodiment, for example, the sound of the motor M1 and the pump P can be heard, so the refueling nozzle I was able to detect with my ears that the N was not applied, and I thought that the refueling nozzle N was hooked to the nozzle hook 6 even though it was not, so I took my hand off the refueling nozzle N and avoided the risk of the refueling nozzle falling. It can be prevented.

As described above, in the present invention, since the locking part is formed on the refueling nozzle when the lever for opening and closing the valve is in the valve closed position, the lever does not need to be hung on the nozzle hook when the lever is pulled, for example. The effect will be great if it is implemented at gas stations, etc. for eyelid service.

[Brief explanation of the drawing]

Fig. 1 is a front view showing an example of an oil supply device embodying the present invention, Fig. 2 is a side view partially showing an example of a conventional nozzle hook, and Fig. 3 is a partially sectional view showing an example of a conventional nozzle hook. FIG. 4 is a cross-sectional side view showing a state in which the lever is pulled, and FIG. 4 is a side view similar to FIG. 3 showing a state in which the refueling nozzle is hung on the nozzle hook. N...Refueling nozzle 6...Nozzle hook 11...Lever for opening and closing the valve 12...Latch 13...Guard 23...Hole 24...Stopper 25...Switch operating lever 1st Figure 5

Claims (1)

[Claims] It is characterized by having a refueling nozzle in which a locking portion is formed when the lever for the valve IFllIWl is in the “valve” position, and a nozzle hook provided with a retaining portion that engages with the locking portion of the refueling nozzle. Refueling device.